CN115075319B - Silt removing equipment for river course restoration - Google Patents
Silt removing equipment for river course restoration Download PDFInfo
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- CN115075319B CN115075319B CN202210643410.2A CN202210643410A CN115075319B CN 115075319 B CN115075319 B CN 115075319B CN 202210643410 A CN202210643410 A CN 202210643410A CN 115075319 B CN115075319 B CN 115075319B
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- cylinder
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- guide pipe
- blocks
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Classifications
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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
- E02F5/282—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with rotating cutting or digging tools
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- 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
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- 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
- E02F3/902—Component parts, e.g. arrangement or adaptation of pumps for modifying the concentration of the dredged material, e.g. relief valves preventing the clogging of the suction pipe
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- 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
- E02F3/905—Manipulating or supporting suction pipes or ladders; Mechanical supports or floaters therefor; pipe joints for suction pipes
-
- 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
- E02F3/907—Measuring or control devices, e.g. control units, detection means or sensors
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- 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
- E02F3/9256—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head
- E02F3/9268—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head with rotating cutting elements
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- 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
- E02F3/9293—Component parts of suction heads, e.g. edges, strainers for preventing the entry of stones or the like
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention provides a dredging device for river restoration, which relates to the technical field of river dredging and comprises a working ship, a sludge pump and a high-pressure water pump, wherein the sludge pump and the high-pressure water pump are respectively connected with an inner water guide pipe and an outer water guide pipe, the end part of the inner water guide pipe extends to the inside of the outer water guide pipe and is connected with a deformable inner cylinder, a pressing rod for smashing large-volume sludge blocks is arranged on the outer side of the inner cylinder, a screening component which intercepts small-volume sludge blocks and takes an arc shape is arranged on the inner side of the inner cylinder, an outer cylinder connected with the end part of the outer water guide pipe is arranged on the outer side of the inner cylinder, a rotatable stirring rope is arranged below the outer cylinder, the stirring rope can be driven by the high-pressure water flow to rotate at the end part of the inner cylinder through the rotating component, the rotating stirring rope can impact solidified sludge, the integrity of the stirring rope is facilitated to be broken, the sludge is conveniently cleaned, the screening component can smash the sludge blocks, and blocking can be prevented under the actions of the pressing rod and the rolling blocks.
Description
Technical Field
The invention relates to the technical field of river dredging, in particular to a dredging device for river restoration.
Background
River channel siltation not only hinders river navigation and causes the reduction of shipping capacity, but also has the main problems of reducing river flood discharge capacity, exacerbating flood disasters and increasing flood control difficulty. The cutter suction dredger is a common dredging tool, and a rotary reamer is used for loosening soil at the river bottom or the sea bottom to enable water and mud to be mixed into mud, the mud is sucked into a mud pump body through a mud suction pipe and is conveyed to a mud discharge area through a mud discharge pipe, and because the mud is accumulated for a long time, the consolidation and the poor fluidity are caused, and the mud is difficult to suck, so that a plurality of mud pumps only can suck mud water.
The river dredging stirring device for the hydraulic engineering has the advantages that the river dredging stirring device for the hydraulic engineering is provided with the CN201811057686.2, the reamer head and the stirring component stir and transport solidified sludge upwards through the device, a motor is required to be arranged for driving, the manufacturing cost is increased, meanwhile, the volume of the reamer head is limited, only the contacted sludge is effective, and the dredging efficiency is reduced.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a sludge cleaning device for river restoration, which solves the problems that a comparison file needs to be provided with a motor for driving, the manufacturing cost is increased, meanwhile, the volume of a reamer head is limited, only the contacted sludge is effective, and the sludge cleaning efficiency is reduced.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the sludge cleaning equipment for river restoration comprises a working ship, a sludge pump and a high-pressure water pump, wherein the sludge pump and the high-pressure water pump are respectively arranged on a deck and a side wall of the working ship, the sludge pump and the high-pressure water pump are respectively connected with an inner water guide pipe and an outer water guide pipe, the end part of the inner water guide pipe extends to the inside of the outer water guide pipe and is connected with a deformable inner cylinder, a compression bar for crushing large-volume sludge blocks is arranged on the outer side of the inner cylinder, a screening component which intercepts small-volume sludge blocks and takes an arc shape is arranged on the inner side of the inner cylinder, an outer cylinder connected with the end part of the outer water guide pipe is arranged on the outer side of the inner cylinder, a rotating component which rotates by taking fluid as power is arranged between the outer cylinder and the inner cylinder, a stirring rope for improving the dredging effect is connected to the lower part of the rotating component, and a submersible electro-hydraulic push rod connected with the rotating component is arranged on the outer wall of the outer cylinder;
the inner cylinder comprises a fixed top cylinder, a deformable elastic cone cylinder and a fixed bottom cylinder which are mutually connected between adjacent parts, the compression bar is close to the outer wall of the elastic cone cylinder, the compression bar is connected with the rotating assembly, the inner cylinder can be blocked by sludge blocks, the elastic cone cylinder can be expanded, rolling extrusion is carried out on the elastic cone cylinder, the fragmentation of the sludge blocks is realized, the small-volume sludge blocks are intercepted by the screening assembly, the small-volume sludge blocks are close to the elastic cone cylinder under the centrifugal action, and the small-volume sludge blocks can be ground by virtue of friction between relative movements.
Further, the rotating assembly comprises a fixing frame connected with the submersible electrohydraulic push rod, one end of the fixing frame, which is positioned in the outer cylinder, is connected with a fixing frame, the inner wall of the fixing frame is movably connected with a rotating outer ring, the inner wall of the rotating outer ring is connected with an inclined plate and a hook block which are arranged in an annular array with the center of the circle as the center, the side walls of the inclined plate and the hook block are connected with a rotating inner ring which is concentric with the rotating outer ring, and the high-pressure water pump can drive the high-pressure water pump to rotate with the hook block when driving water flow to pass through the inclined plate, so that the stirring rope is driven to rotate, the flowing potential energy of the water flow is used as driving force, energy is fully utilized, and the manufacturing cost is reduced while the rotating purpose is realized.
Further, stirring rope includes hook piece and the chain of being connected with it, and the bottom welding of chain has gravity arris piece, and gravity arris piece has increased the weight of chain bottom, has also increased the sharpness of chain, is convenient for destroy the integrality of river bottom concretion silt, improves dredging efficiency.
Further, the outer wall of elasticity awl section of thick bamboo is fixed with the wear pad of gathering, and the inner wall of elasticity awl section of thick bamboo is fixed with the grinding piece of gathering and be hemispherical, and wear pad and grinding piece can reduce the depression bar and to the degree of wear of elasticity awl section of thick bamboo, improve its durability, hemispherical bellied grinding piece is also convenient for improve the effect of finely crushing to the silt piece simultaneously.
Further, the compression bar is arc and tip directional elasticity cone, and the tip swing joint of compression bar has the ball that rolls, and the ball that rolls that the compression bar tip set up can be rotatory at the compression bar tip, makes the sliding friction between compression bar and the inner tube change into rolling friction, does benefit to the wearing and tearing to elasticity cone.
Further, the tip threaded connection of urceolus has the draft tube, and the tip of draft tube is to its axis side slope, and the draft tube tip polishes slick and sly, and the draft tube can be directed the rivers direction of impact, does benefit to the impact effect, also is towards the inner tube side when striking the bounce-back with rivers simultaneously, helps driving silt to the inner tube side motion, further improves desilting efficiency.
Further, a through groove matched with the fixing frame is formed in the outer cylinder, and the through groove is parallel to the axis of the outer cylinder and the submersible electrohydraulic push rod.
Further, the screening component comprises a frame movably mounted on the bottom side of the inner wall of the fixed top cylinder, friction rods and paddles are welded on the frame and distributed at equal intervals, and the paddles can drive the frame to rotate under the action of fluid, so that the screening component can drive the sludge blocks to rotate while intercepting small-volume sludge blocks, and the friction with the inner wall of the elastic cone cylinder is gradually broken into fine particles.
(III) beneficial effects
The invention provides a silt removing device for river restoration. The beneficial effects are as follows:
1. this mud cleaning equipment for river course restoration, the sludge pump makes inner tube tip produce suction through interior aqueduct, high-pressure water pump passes through outer aqueduct and discharges high-speed rivers between urceolus and the inner tube, impact the silt, one row is inhaled to one, make the rivers of this urceolus form axial flow, do benefit to the clearance of silt, high-pressure water flow accessible rotating assembly drives stirring rope at inner tube tip rotation simultaneously, rotatory stirring rope striking concreties the silt, do benefit to and destroy its wholeness, the influence scope of this equipment to the riverbed silt has also been improved, stir the silt and be convenient for along with the rivers motion, and then improve desilting efficiency.
2. The extension and retraction of the submersible electrohydraulic push rod can drive the rotating assembly to move up and down, and also drive the compression bar and the stirring rope to move, so that the contact position of the compression bar and the elastic cone is changed, the crushing effect on a large-volume sludge block is improved, the length of the stirring rope extending out of the outer cylinder is changed, the influence of centrifugal force on the stirring rope when the rotating assembly rotates can be changed, the movement range of the bottom end of the stirring rope is further changed, and the stirring rope is convenient to adjust according to actual requirements
3. This clear silt equipment for river course restoration, inhale silt piece in the inner tube and be blocked by the screening subassembly, avoid this equipment tip to take place to block up, it can make its outwards outstanding to contradict elastic cone when silt piece is overlarge, can constantly strike the protrusion along with rotatory subassembly pivoted depression bar, it is cracked with the silt piece, the silt piece of fritter can be under rotatory screening subassembly centrifugation effect, contradict elastic cone inner wall, the reciprocal movement between silt piece, friction lever and the roller compaction piece, can break into pieces the silt piece gradually until the clearance between the friction lever is taken out of permeating, the volume of inhaling the silt piece has effectively been controlled, reduce the damage probability of sludge pump.
4. This clear silt equipment for river course restoration, high pressure water pump drive rivers can drive its and the rotation of hook piece when the sloping piece to the drive stirring rope rotates, uses the flow potential energy of rivers as the drive power, carries out make full use of with the energy, has reduced the cost of manufacture when realizing the purpose.
5. This clear silt equipment is used in river course restoration, wear pad and grinding piece can reduce the depression bar to the degree of wear of elasticity awl section of thick bamboo, improve its durability, and hemispherical bellied grinding piece is also convenient for improve the effect of finely crushing to silt piece simultaneously.
6. This clear silt equipment is used in river course restoration, the ball that rolls that the depression bar tip set up can be rotatory at the depression bar tip, makes the sliding friction between depression bar and the inner tube change into rolling friction, does benefit to the reduction to the wearing and tearing of elasticity awl section of thick bamboo.
7. This clear silt equipment for river course restoration, the draft tube can guide the rivers direction of striking, does benefit to the improvement impact effect, simultaneously also with the rivers striking rebound towards the inner tube side, helps driving silt to inner tube side motion, further improves dredging efficiency, and the draft tube has increased the extension length of urceolus, replaces urceolus and stirring rope friction, has effectively reduced the wearing and tearing condition of urceolus, does benefit to and improves its durability.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present invention
Fig. 2 is a schematic diagram of the overall structure of the present invention.
Fig. 3 is an enlarged schematic view of the present invention at a in fig. 1.
Fig. 4 is a schematic structural view of a rotary assembly according to the present invention.
Fig. 5 is a schematic structural view of a screening assembly according to the present invention.
Fig. 6 is a schematic structural view of the stirring rope of the present invention.
FIG. 7 is a schematic structural view of the inner cylinder of the present invention.
FIG. 8 is a schematic view of the flow direction of the water flow according to the present invention.
FIG. 9 is a schematic view of the invention showing the plunger moving downward to deform the elastic cone.
FIG. 10 is a schematic view of a compression bar according to the present invention.
FIG. 11 is a schematic view of the elastic cone of the present invention when locally protruded under the action of sludge blocks
In the figure: 1. an inner cylinder; 101. fixing the top cylinder; 102. an elastic cone; 103. fixing the bottom cylinder; 2. an outer cylinder; 3. an inner water guide pipe; 4. an outer water conduit; 5. submersible electrohydraulic push rod; 6. a rotating assembly; 61. a fixed frame; 62. rotating the outer ring; 63. an inclined plate; 64. a hook block; 65. rotating the inner ring; 7. a stirring rope; 71. a chain; 72. gravity edge blocks; 8. a compression bar; 9. a guide cylinder; 10. a screening component; 1001. a frame; 1002. a friction lever; 1003. a blade.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention provides a sludge cleaning device for river restoration, as shown in figures 1-11, which comprises a working ship, a sludge pump and a high-pressure water pump, wherein the sludge pump and the high-pressure water pump are respectively arranged on a deck and a side wall of the working ship, the model sizes of the sludge pump and the high-pressure water pump can be selected according to the specific dredging amount and the size of the working ship, the sludge pump and the high-pressure water pump are respectively connected with an inner water guide pipe 3 and an outer water guide pipe 4, the end part of the inner water guide pipe 3 extends to the inside of the outer water guide pipe 4 and is connected with a deformable inner barrel 1, the end parts of the inner water guide pipe 3 and the outer water guide pipe 4 are connected in a flange way, the inner water guide pipe 3 and the outer water guide pipe 4 are in a coaxial line state near the inner water guide pipe 3 and penetrate out from the side wall of the outer water guide pipe 4 near the sludge pump, the end parts of the inner water guide pipe 4 are separated, the side wall of the outer water guide pipe 4 is provided with a penetrating port matched with the inner water guide pipe 3, the inner cylinder 1 is provided with a compression bar 8 for crushing large-volume sludge blocks at the outer side, the inner side of the inner cylinder 1 is provided with a screening component 10 which intercepts small-volume sludge blocks and is arc-shaped, the outer part of the inner cylinder 1 is provided with an outer cylinder 2 connected with the end part of an outer water guide pipe 4, the outer cylinder 2 is connected with a lifting frame on a working ship through a steel cable so as to transfer the equipment in space by the lifting frame, a rotating component 6 which automatically rotates by taking fluid as power is arranged between the outer cylinder 2 and the inner cylinder 1, the lower part of the rotating component 6 is connected with a stirring rope 7 for improving the dredging effect, the outer wall of the outer cylinder 2 is provided with a submersible electric push rod 5 connected with the rotating component 6, which is equivalent to an underwater electric push rod I in a comparison document (a device for checking underwater concrete cracks of a bank wall of CN 202022113059.5), and is a well-known underwater telescopic structure in the prior art;
the inner barrel 1 comprises a fixed top barrel 101, a deformable elastic cone barrel 102 and a fixed bottom barrel 103 which are mutually connected between adjacent parts, the elastic cone barrel 102 is made of wear-resistant rubber materials, a pressing rod 8 is close to the outer wall of the elastic cone barrel 102, the pressing rod 8 is connected with the top of a rotating assembly 6, the inner barrel 1 can be blocked by sludge blocks and the elastic cone barrel 102 is expanded, the crushing of the sludge blocks is realized, a screening assembly 10 intercepts the small-volume sludge blocks, the small-volume sludge blocks are close to the elastic cone barrel 102 under the centrifugal effect, the small-volume sludge blocks can be crushed by virtue of friction between relative movements, a sludge pump enables the end part of the inner barrel 1 to generate suction force through an inner water guide pipe 3, a high-pressure water pump discharges high-speed water flow between the outer barrel 2 and the inner barrel 1 through an outer water guide pipe 4 to impact the sludge, one row of suction is formed by the water flow of the outer barrel 2, the sludge is beneficial to clean the sludge, meanwhile, the high-pressure water flow can drive a stirring rope 7 to rotate at the end part of the inner barrel 1 through the rotating assembly 6, the rotating stirring rope 7 is beneficial to destroy the integrity of the sludge, the sludge impacted by the stirring rope, the stirring efficiency is beneficial to be convenient to destroy along with the water flow, and the stirring efficiency is improved. Inhale silt piece in the inner tube 1 and be blocked by screening subassembly 10, avoid this equipment tip to take place to block up, it can make its outwards outstanding to contradict elastic cone 102 when silt piece volume is too big, along with rotatory subassembly 6 pivoted depression bar 8 can constantly strike the salient point, it is cracked with the silt piece, the silt piece of fritter can be under rotatory screening subassembly 10 centrifugal action, contradict elastic cone 102 inner wall, the mutual motion between silt piece, friction lever 1002 and the roll piece, can break up the silt piece gradually until the clearance between the friction lever 1002 is taken out, the volume of inhaling the silt piece has effectively been controlled, reduce the damage probability of sludge pump.
The rotating assembly 6 comprises a fixed frame connected with the submersible electrohydraulic push rod 5, one end of the fixed frame positioned in the outer cylinder 2 is connected with a fixed frame 61, the inner wall of the fixed frame 61 is movably connected with a rotating outer ring 62, the inner wall of the rotating outer ring 62 is connected with an inclined plate 63 and a hook block 64 which are arranged in an annular array with the center of the circle as a center, the top of the hook block 64 is connected with a compression rod 8, the bottom of the hook block 64 is connected with a stirring rope 7, the inclined plate 63 inclines towards the same rotating direction, the side walls of the inclined plate 63 and the hook block 64 are connected with a rotating inner ring 65 concentric with the rotating outer ring 62, and when a high-pressure water pump drives water flow to pass through the inclined plate 63, the high-pressure water flow can drive the rotation of the hook block 64, so that the stirring rope 7 is driven to rotate, energy is fully utilized by using the flowing potential energy of the water flow as driving force, and the manufacturing cost is reduced while the rotating purpose is achieved.
The stirring rope 7 comprises a hook block 64 and a chain 71 connected with the hook block, a gravity edge block 72 is welded at the bottom end of the chain 71, the gravity edge block 72 increases the weight of the bottom end of the chain 71, the sharpness of the chain 71 is also increased, the integrity of river bottom solidified sludge is conveniently damaged, and the dredging efficiency is improved.
The outer wall of the elastic cone 102 is fixed with densely distributed wear-resisting pieces, the inner wall of the elastic cone 102 is fixed with densely distributed hemispherical grinding blocks, the wear-resisting pieces and the grinding blocks can reduce the abrasion degree of the compression bar 8 to the elastic cone 102, the durability of the elastic cone is improved, and meanwhile the hemispherical convex grinding blocks are convenient to improve the fine crushing effect on the silt blocks.
The compression bar 8 is arc-shaped and the end points to the elastic cone 102, the end swing joint of the compression bar 8 is provided with a rolling ball, the compression bar 8 has certain elasticity and is bent towards the inner cylinder 1 side, water outside the inner cylinder 1 impacts the compression bar 8, so that the compression bar 8 always bends towards the inner cylinder 1 side, the impact effect on the protruding part of the elastic cone 102 is guaranteed, the rolling ball arranged at the end of the compression bar 8 can rotate at the end of the compression bar 8, sliding friction between the compression bar 8 and the inner cylinder 1 is converted into rolling friction, and the abrasion to the elastic cone 102 is reduced.
The end threaded connection of urceolus 2 has guide cylinder 9, and the tip of guide cylinder 9 is to its axis side slope, and guide cylinder 9 tip polishes slick and sly, and guide cylinder 9 can be directed the rivers direction of impact, does benefit to improving the impact effect, also is towards inner tube 1 side when striking the bounce with rivers simultaneously, helps driving silt to inner tube 1 side motion, further improves desilting efficiency, and guide cylinder 9 has increased the extension length of urceolus 2, replaces urceolus 2 and stirring rope 7 friction, has effectively reduced the wearing and tearing condition of urceolus 2, does benefit to the durability that improves thereof.
The outer cylinder 2 is provided with a through groove matched with the fixing frame, and the through groove is parallel to the axis of the outer cylinder 2 and the submersible electrohydraulic push rod 5.
The screening assembly 10 comprises a frame 1001 movably mounted on the bottom side of the inner wall of the fixed top cylinder 101, friction rods 1002 and paddles 1003 are welded on the frame 1001, the friction rods 1002 are arc-shaped and densely distributed in the frame 1001, the ends of the friction rods 1002 are welded with the same ring, the paddles 1003 are arranged in the friction rods 1002 which are equidistantly distributed and are positioned on the same arc surface, and the paddles 1003 can drive the frame 1001 to rotate under the action of fluid as shown in fig. 5, so that the screening assembly 10 can drive sludge blocks to rotate while intercepting small-volume sludge blocks, and gradually finely break friction with the inner wall of the elastic cone 102.
Working principle: during the use, the sludge pump makes inner tube 1 tip produce suction through interior water conduit 3, high-pressure water pump passes through outer water conduit 4 and discharges high-speed rivers between urceolus 2 and the inner tube 1, impact the silt, one row is inhaled to one, make the rivers of this urceolus 2 form axial flow, do benefit to the clearance of silt, high-pressure water flow accessible rotating assembly 6 drives stirring rope 7 at inner tube 1 tip rotation simultaneously, rotatory stirring rope 7 striking concreties the silt, do benefit to and destroy its wholeness, stir the silt and be convenient for along with the rivers motion, and then improve desilting efficiency. Inhale silt piece in the inner tube 1 and be blocked by screening subassembly 10, avoid this equipment tip to take place to block up, it can make its outwards outstanding to contradict elastic cone 102 when silt piece volume is too big, along with rotatory subassembly 6 pivoted depression bar 8 can constantly strike the salient point, it is cracked with the silt piece, the silt piece of fritter can be under rotatory screening subassembly 10 centrifugal action, contradict elastic cone 102 inner wall, the mutual motion between silt piece, friction lever 1002 and the roll piece, can break up the silt piece gradually until the clearance between the friction lever 1002 is taken out, the volume of inhaling the silt piece has effectively been controlled, reduce the damage probability of sludge pump.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 sludge cleaning equipment for river restoration comprises a working ship, a sludge pump and a high-pressure water pump, wherein the sludge pump and the high-pressure water pump are respectively arranged on a deck and a side wall of the working ship, and are characterized in that the sludge pump and the high-pressure water pump are respectively connected with an inner water guide pipe (3) and an outer water guide pipe (4), the end part of the inner water guide pipe (3) extends to the inside of the outer water guide pipe (4) and is connected with a deformable inner cylinder (1), a compression bar (8) for crushing large-volume sludge blocks is arranged on the outer side of the inner cylinder (1), a screening component (10) for intercepting small-volume sludge blocks and being arc-shaped is arranged on the inner side of the inner cylinder (1), an outer cylinder (2) connected with the end part of the outer water guide pipe (4) is arranged on the outer side of the inner cylinder (1), a rotating component (6) which rotates by taking fluid as power is arranged between the outer cylinder (2) and the inner cylinder (1), a stirring rope (7) for improving the dredging effect is connected with the lower part of the rotating component (6), and the outer wall of the outer cylinder (2) is provided with a submersible electrohydraulic push bar (5) connected with the rotating component (6);
the inner cylinder (1) comprises a fixed top cylinder (101), a deformable elastic cone cylinder (102) and a fixed bottom cylinder (103) which are mutually connected between adjacent parts, a pressing rod (8) is close to the outer wall of the elastic cone cylinder (102), the pressing rod (8) is connected with a rotating assembly (6), the inner cylinder (1) can be blocked by sludge blocks and the elastic cone cylinder (102) can be expanded, the sludge blocks can be crushed by rolling and extrusion, the small-volume sludge blocks are intercepted by a screening assembly (10), the small-volume sludge blocks are close to the elastic cone cylinder (102) under the centrifugal action, and the small-volume sludge blocks can be crushed by virtue of friction between relative movements;
the rotary assembly (6) comprises a fixed frame connected with the submersible electrohydraulic push rod (5), one end of the fixed frame, which is positioned inside the outer cylinder (2), is connected with a fixed frame (61), the inner wall of the fixed frame (61) is movably connected with a rotary outer ring (62), the inner wall of the rotary outer ring (62) is connected with an inclined plate (63) and a hook block (64) which are arranged in an annular array with the center of the circle as the center, and the side walls of the inclined plate (63) and the hook block (64) are connected with a rotary inner ring (65) concentric with the rotary outer ring (62).
2. The sludge removal device for river course repair as claimed in claim 1, wherein: the stirring rope (7) comprises a hook block (64) and a chain (71) connected with the hook block, and a gravity prism block (72) is welded at the bottom end of the chain (71).
3. The sludge removal device for river course repair as claimed in claim 1, wherein: the outer wall of the elastic cone (102) is fixed with densely distributed wear-resisting sheets, and the inner wall of the elastic cone (102) is fixed with densely distributed hemispherical grinding blocks.
4. The sludge removal device for river course repair as claimed in claim 1, wherein: the compression bar (8) is arc-shaped, the end part of the compression bar points to the elastic cone (102), and the end part of the compression bar (8) is movably connected with a rolling ball.
5. The sludge removal device for river course repair as claimed in claim 1, wherein: the end part of the outer cylinder (2) is connected with a guide cylinder (9) in a threaded manner, the end part of the guide cylinder (9) is inclined to the axis side of the guide cylinder, and the end part of the guide cylinder (9) is polished smoothly.
6. The sludge removal device for river course repair as claimed in claim 1, wherein: the outer cylinder (2) is provided with a through groove matched with the fixing frame, and the through groove is parallel to the axis of the outer cylinder (2) and the submersible electrohydraulic push rod (5).
7. The sludge removal device for river course repair as claimed in claim 1, wherein: the screening assembly (10) comprises a frame (1001) movably mounted on the bottom side of the inner wall of the fixed top cylinder (101), and friction rods (1002) and paddles (1003) which are distributed at equal intervals are welded on the frame (1001).
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| CN202210643410.2A CN115075319B (en) | 2022-06-08 | 2022-06-08 | Silt removing equipment for river course restoration |
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| CN202210643410.2A CN115075319B (en) | 2022-06-08 | 2022-06-08 | Silt removing equipment for river course restoration |
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| CN115075319B true CN115075319B (en) | 2023-09-15 |
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| CN115075319A (en) | 2022-09-20 |
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