CN204401677U - A kind of Dredging ship - Google Patents

Abstract

The utility model relates to an inland river dredging ship, in particular to a dredging dredging ship used for river channel dredging and regulation. It includes a hull, power equipment, excavation equipment and a mud pump system. The main hull is provided with movable positioning piles and a bridge traverse mechanism; the upper end of the side wall of the main hull is provided with a first connecting plate, a second connecting plate, bolts and nuts; the lower end of the side wall of the main hull is provided with connecting hooks, connecting hook seats and connecting rods; the excavation equipment includes digging arms and grabs at the ends, environmental protection reamers, bucket wheels or ordinary reamers; the other end is provided with There is a hydraulic cylinder lifting mechanism; the mud pump system includes a mud pump gear box, connecting pipes, and discharge pipes; the mud pump gear box includes a gear box and a mud pump input and output assembly, and the gear box is a split structure. The output shaft is installed in the middle, and the radial surface of the output shaft is a stepped structure; the input shaft assembly is installed in the lower box. The dredging ship of the utility model can provide efficient, convenient and compatible with various excavation and positioning methods.

Description

dredging ship

technical field

The utility model relates to an inland river dredging ship, in particular to a dredging dredging ship used for river channel dredging and regulation.

Background technique

With the rapid development of the domestic economy, the pace of urbanization is accelerating, and urban planning and construction are speeding up. Many urban domestic sewage and industrial sewage are directly discharged without treatment, resulting in serious pollution and silting of urban and suburban rivers. Thereby, just need a kind of dredger that is specially used in clearing up small-scale river channel silt to remediate river channel environment.

CN2583202Y (2003-10-29) discloses a kind of dredging ship of dredging type, but these dredging ships have complex structure, large hull, are not suitable for dredging in the complex and changeable environment of the river basin, and it is difficult to timely Different cutting tools can be exchanged under construction conditions.

Utility model content

The purpose of the utility model is to provide a dredging and dredging ship which is efficient, convenient and compatible with various excavation and positioning methods. the

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions:

A dredging and dredging ship, comprising a hull, power equipment arranged in the hull, excavation equipment driven by the power equipment for dredging operations, and a dredging pump system for discharging the silt processed by the excavation equipment The hull includes a main hull and auxiliary hulls arranged on both sides of the main hull; the left and right ends of the bow of the main hull are respectively provided with mobile positioning piles for positioning operations in small channels, and for raising Bridge traversing mechanism for ship excavation radius;

The upper end of the side wall of the main hull is provided with a first connecting plate, the upper end of the side wall connected between the auxiliary hull and the main hull is provided with a second connecting plate, the first connecting plate is provided with bolts, and the second connecting plate Nuts matching the bolts are arranged on the plate;

The lower end of the side wall of the main hull is provided with a connecting hook, and the lower end of the side wall connected between the auxiliary hull and the main hull is provided with a connecting hook seat correspondingly matched with the connecting hook; the connecting hook seat is provided with a connecting rod;

The power equipment includes a hydraulic oil pump as the main engine and providing power for the electro-hydraulic control system of the whole ship, and the hydraulic oil pump is driven by a diesel engine as an auxiliary engine;

The excavation equipment includes an excavation arm and a grab connected to one end of the excavation arm, an environmental protection reamer, a bucket wheel or an ordinary reamer; the other end of the excavation arm is provided with a hydraulic pressure to drive the excavation arm up or down Oil cylinder lifting mechanism;

The dredge pump system includes a dredge pump gear box, a connecting pipe communicating with the excavation equipment, and a discharge pipe communicating with the connecting pipe for discharging mud;

The mud pump gear box includes a gear box and a mud pump input and output assembly. The gear box is divided into a split structure of an upper box and a lower box. An output shaft is installed in the upper box. The output The radial surface of the shaft is a stepped structure; the input shaft assembly is installed in the lower box;

The discharge pipe is connected with a submerged mud discharge pipe; the submersible mud discharge pipe includes a head end station and a tail end station connected with the discharge pipe;

There are mud buckets unevenly distributed on the bucket wheel, and a suction chamber, a suction pipe communicating with the suction chamber and a cavity surrounded by the suction chamber are distributed in the bucket wheel; the width of the suction chamber varies with the The distance between the suction chamber and the suction pipe communication position increases and becomes larger; the distribution of the mud bucket becomes denser with the increase of the distance between the mud bucket and the cavity; The farthest end is provided with a scraper;

The environmental protection reamer is a multi-knife type environmental protection reamer;

The environmentally friendly reamer includes a plurality of blades, an inner flange and an outer flange that can rotate freely between each other, one side of the blade is a cutter body, and the other side is provided with a cutting edge made of high alloy steel. The cutting edge is provided with a cutting edge, and all the blades are evenly arranged along the circumferential direction of the inner flange. It is fixed on the outer flange, the cover is provided with a movable cover, and the lower half of the cover is provided with an opening, and the height of the left side and the right side of the opening is the same; the outer flange is fixedly arranged On the connecting bracket, the outer flange is fixedly provided with a motor that drives the inner flange to make the inner flange and the outer flange rotate relative to each other, and the center of the inner flange is also provided with a suction pipe for sucking mud.

The ship is designed as a detachable split dredger, which is convenient for land transportation and on-site operations; with this structure, the height of the hull can be reduced to support the operation requirements in shallow water areas; the connection between the main hull and the auxiliary hull is safe and reliable, which can avoid During operation, the main and auxiliary hulls will move up and down.

Change the suction and discharge device composed of the three major parts of the conventional diesel engine, gearbox and mud pump to the suction and discharge device of the diesel engine and the mud pump gearbox, so that the mud pump and the gearbox can be shortened by at least 0.6 meters in the axial direction , so that the hull is shortened, and the configuration structure is simplified at the same time, which further facilitates dredging, excavation, and navigation in urban rivers.

The submersible mud discharge pipe of the utility model enables the dredger to carry out uninterrupted navigation during work, which improves the working efficiency and reduces the construction cost; a movable cover is arranged on the environmental protection reamer cover of the utility model for cleaning After use, it takes about 40 minutes to clear the garbage by disassembling the original cover, and about 20 minutes to clear the garbage with the window, saving about 1/2 of the time each time, which greatly improves the project efficiency. ;The traditional reamer construction is suitable for one-way excavation of the reamer, that is, the reamer can only excavate in a fan shape from right to left, and then return from left to right for the second entry excavation; a considerable part of the time is It is used in the empty stroke, which greatly limits the improvement of engineering efficiency. The height of the left side and the right side of the opening in the lower half of the casing is the same, so that the reamer can excavate in both directions, completely canceling the empty stroke. , making the project speed increased by about 40%. The cutting edge of the traditional reamer is made of the same material as the cutter body, which wears out quickly. The cutting edge is now equipped with a stronger material, and the cutting edge is not easy to damage. Once damaged, only the cutting edge needs to be replaced, which is more convenient.

Adopting the environmental protection reamer of the utility model makes it easy to clean up the rubbish in the reamer, with high speed and high engineering efficiency; the blade has a longer service life, is more convenient to replace, and has low cost of use; it can excavate in both directions, completely cancels the idle stroke, and the engineering speed is fast.

The utility model changes the general A-frame lifting structure of the existing common dredger into a hydraulic oil cylinder lifting structure, which can reduce the overall height of the ship and simplify the hull structure. The mobile positioning piles installed at the left and right ends of the bow can solve the problem that the width of the river channel is too small to be anchored, so that it can achieve the purpose of ship positioning without conventional anchoring operations; the bridge traverse mechanism can solve the problem of insufficient excavation radius, so that The bridge frame realizes yaw, which is used to increase the excavation radius of the ship. Thereby adopting the hull of the utility model both can solve the problem that the width of the river course is too small and the problem of anchoring operation cannot be solved.

Preferably, the bridge traversing mechanism includes an oil cylinder located at the bow and a traversing winch driven by the oil cylinder.

Preferably, the positioning pile is a pressure type positioning pile, and the positioning pile is connected with a trolley for making it move in parallel.

The pressure-type positioning pile with trolley can be adjusted and positioned by the pressure of the oil cylinder and can move in parallel; it improves the shortcomings of the existing technology that completely relies on the self-weight positioning of the positioning pile and is not suitable for dredging small rivers.

Preferably, the angle between adjacent blades is 20-30°, and the nearest distance between adjacent blades is 15-25% of the width of the blades.

The reasonable setting of the blade makes the digging efficiency high.

Preferably, the head-end station includes a box for floating in water, a first sewage pump and a motor that drives the sewage pump to rotate are installed in the box, and the inlet of the sewage pump communicates with the discharge pipe ;

The tail terminal station includes a box body for floating in water, and a second sewage pump and a motor that drives the second sewage pump to rotate are installed in the box;

The inlet of the second sewage pump is communicated with the outlet of the first sewage pump through the submersible hose.

The submersible mud discharge pipe of the utility model enables the dredger to carry out uninterrupted navigation during work, which improves the work efficiency and reduces the construction cost; during work, the construction of the navigable river does not need to be equipped with mud barges, tugboats and mud blowers. Ships, etc., greatly reducing the working cost; the previous mud discharge pipe was floating on the water surface, which was greatly affected by wind and waves, while the submersible hose sank to the bottom of the water, and the working condition was better than that of the water surface; greatly reduced The damage to the mud discharge pipeline by waves and wind prolongs the service life of the mud discharge pipeline; the new type has fewer components, and is divided into several parts, the head end station, the tail end station and the submersible hose. The installation and disassembly are very simple. It can be completed in tens of minutes, and the operation is flexible; the floating bodies of the head terminal station and the tail terminal station all adopt the assembled box structure, which is convenient for transportation.

As a preference, the head terminal station also includes an air compressor for delivering compressed air to the submersible hose; there is a device between the air compressor and the submersible hose to ensure that the air compressor comes out of the air compressor. One-way flow of compressed air into the submersible hose through the one-way valve.

Preferably, the bucket wheel is a bucket wheel with a rated number of buckets or a bucket wheel with a small number of buckets;

The common reamer is an open reamer or a closed reamer.

Timely exchange different tools according to construction conditions

In summary, the utility model has the following beneficial effects:

1. Due to the small structure of the ship, it can be adapted to dredging and dredging projects with narrow river widths;

2. Because the ship adopts the front mobile positioning pile structure, it solves the problem of difficult anchoring and positioning in small rivers;

3. The ship adopts hydraulic cylinder bridge lifting structure, which greatly reduces the height of the ship, making it easy for the ship to pass through some low bridges;

4. The ship adopts the bridge sway structure, which greatly increases the dredger's excavation radius, thereby improving production efficiency;

5. In order to facilitate transportation, the ship adopts a split structure, which can realize land transportation. Improved maneuverability of ships.

Description of drawings

Fig. 1 is the front view of a kind of dredging ship of the utility model;

Fig. 2 is a top view of a dredging and dredging ship of the utility model;

Fig. 3 is a schematic diagram of the connection between the main hull and the auxiliary hull of the utility model;

Fig. 4 is a side view schematic diagram of the utility model environmental protection reamer;

Fig. 5 is a schematic diagram of the anatomical structure of the utility model environmental protection reamer;

Fig. 6 is the working schematic diagram of the submersible mud discharge pipe of the utility model;

Fig. 7 is the principle diagram of the utility model submersible mud discharge pipe;

Fig. 8 is a schematic diagram of the utility model bucket wheel;

Fig. 9 is a schematic diagram of the gear box of the mud pump of the present invention.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Figures 1-9, a dredging ship includes a hull 1, power equipment 2 arranged in the main hull, excavation equipment 3 driven by the power equipment for dredging operations, and excavation equipment processed Sludge pumping system for sludge discharge4.

The hull 1 includes a main hull 11 and auxiliary hulls 12 arranged on both sides of the main hull 11; the left and right ends of the bow of the main hull 11 are respectively provided with mobile positioning piles 111 that are convenient for positioning operations in small rivers, and are used to improve ship excavation. Radius bridge traverse mechanism 112, and anchoring winch 113 to facilitate positioning operations in wide waters;

The power equipment 2 includes a hydraulic oil pump 21 as a main engine and providing power for the electro-hydraulic control system of the whole ship, and the hydraulic oil pump 21 is driven by a diesel engine 22 as an auxiliary engine;

Excavation equipment 3 comprises excavating arm 31 and is connected to the grab bucket of excavating arm 31 one end, environmental protection reamer 32, bucket wheel 34 or common reamer 35; The hydraulic cylinder lifting mechanism 33;

There are mud buckets 341 unevenly distributed on the bucket wheel 34, and a suction chamber 342, a suction pipe 343 communicated with the suction chamber 342 and a cavity 344 surrounded by the suction chamber 342 are distributed in the bucket wheel 34; the width of the suction chamber 342 varies with the suction chamber. The distance between 342 and suction pipe 343 communication position increases and becomes larger; the distribution of mud buckets 341 becomes denser as the distance between mud buckets 341 and cavity 344 increases. A scraper 345 is disposed on the bucket wheel 34 and farthest from the cavity 344 .

The dredge pump system 4 includes a dredge pump gear box 41 , a connecting pipe 42 communicating with the excavating equipment 3 , and a discharge pipe 43 communicating with the connecting pipe 42 for discharging sludge. The discharge pipe 43 can be selected as an S-shaped structure, for example. The mud pump gearbox 41 includes a gearbox and a mud pump input and output assembly. The gearbox is divided into a split structure of an upper box and a lower box. An output shaft 411 is installed in the upper box. The radial surface of the output shaft 411 It is a stepped structure; an input shaft assembly 412 is installed in the lower box.

The auxiliary diesel engine drives the hydraulic oil pump to provide power for the electro-hydraulic control system of the whole ship. After a series of positioning and attitude adjustments of the operating platform hull control system K, the hydraulic system drives the excavation equipment to carry out dredging operations. For example, another internal combustion engine of about 270Kw is installed in the engine room of the ship at the same time, and the mud pump system is driven by the transmission device to suck the sludge treated by the excavation equipment into the mud pipe, and then transport it to the relay pump ship through the mud discharge pipe or directly discharge it into the mud pipe. Shore mud pond.

The bridge traversing mechanism 112 includes an oil cylinder 1121 located at the bow and a traversing winch 1122 driven by the oil cylinder. The positioning pile 111 is a pressure type positioning pile, and the positioning pile 111 is connected with a trolley for making it move in parallel.

In order to avoid the phenomenon that the main and auxiliary hulls will move up and down during operation, to facilitate land transportation and on-site operations, the upper end of the side wall of the main hull 11 is provided with a first connecting plate 311, and the upper end of the side wall where the auxiliary hull 12 is connected to the main hull 11 is provided with The second connecting plate 312, the first connecting plate 311 is provided with bolt 421, the second connecting plate 312 is provided with the nut 422 that matches the bolt 421; the side wall lower end of main hull 11 is provided with connecting hook 51, auxiliary hull 12 and The lower end of the side wall connected to the main hull 11 is provided with a connecting hook seat 61 correspondingly matched with the connecting hook 51; the connecting hook seat 61 is provided with a connecting rod 611.

In order to exchange different knives in time according to the construction conditions, the bucket wheel 34 can be a bucket wheel with a rated number of buckets or a bucket wheel with a small number of buckets; the common reamer 35 is an open reamer or a closed reamer. The environmental protection reamer 32 can be few type environmental protection reamer or multi-knife type environmental protection reamer; For example a kind of multi-knife type environmental protection reamer 32 comprises a plurality of blades 322, mutually freely rotatable inner flange 324 and outer flange 323, one side of the blade 322 is a cutter body 3221, the other side is provided with a cutting edge 3222 made of high alloy steel, the cutting edge is provided with a cutting edge, and all the blades 322 are evenly arranged along the circumferential direction of the inner flange 324 , the cutting edge portion 3221 is in the outer ring, the blade 322 is covered with a casing 321, the blade 322 is fixed on the inner flange 324, the casing 321 is fixed on the outer flange 323, and the casing 321 is provided with a movable cover 327 , the lower half of the casing 321 is provided with an opening 328, the height of the left side 3211 and the right side 3212 of the opening 328 is consistent; the outer flange 323 is fixedly arranged on the connecting bracket 325, and the outer flange 323 is fixedly arranged with a drive The inner flange 324, the motor 326 that makes the inner flange 324 and the outer flange 323 rotate relatively, and the center of the inner flange 324 is also provided with a suction pipe 329 for sucking mud.

The angle between adjacent blades is 20-30°, and the nearest distance between adjacent blades is 15-25% of the blade width.

In order to realize that the submersible hose on the water has a submersible and floating function, and ensure the navigation of the river during construction of the dredger, the discharge pipe 43 is connected with a submersible mud discharge pipe 44 .

The submerged mud discharge pipe 44 includes a head terminal station 442 and a tail terminal station 443 communicated with the discharged pipe 43;

The first terminal station 442 includes a box body 4421 for floating in water, a first sewage pump 4422 and a motor 4423 driving the sewage pump 4422 to rotate are installed in the box, and the inlet of the sewage pump 4422 is connected to the discharge pipe 43;

The tail terminal station 443 includes a box body 4431 for floating in water, and a second sewage pump 4432 and a motor 4433 that drives the second sewage pump 4432 to rotate are installed in the box;

The inlet of the second sewage pump 4432 is communicated with the outlet of the first sewage pump 4422 through a submersible hose 444 . The first terminal station 442 also includes an air compressor 4424 for delivering compressed air to the diving hose 444; a compressor 4424 is provided between the air compressor 4424 and the diving hose 444 to ensure that the compressed air from the air compressor 4424 flows into the diving hose in one direction. One-way valve 4425 for hose 444.

This specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. Those skilled in the art can make modifications to the embodiment without creative contribution according to needs after reading this specification, but as long as they are within the utility model All new claims are protected by patent law.

Claims (7)

1. a Dredging ship, comprise hull (1), the power-equipment (2) be arranged in described hull, the excavation equipment (3) driving dredging operation to carry out by described power-equipment and dredge pump system (4) that the mud after described excavation equipment process is discharged, it is characterized in that:

Described hull (1) comprises main hull (11) and is arranged on the secondary hull (12) of described main hull (11) both sides; Two ends, described main hull (11) stem left and right are respectively provided with to be convenient to position the portable guide pile (111) of operation and the crane span structure transverse-moving mechanism (112) for improving boats and ships excavation radius at river channel;

The sidewall upper of described main hull (11) is provided with the first junction plate (311), the sidewall upper that described secondary hull (12) is connected with main hull (11) is provided with the second junction plate (312), described first junction plate (311) is provided with bolt (421), described second junction plate (312) is provided with the nut (422) coordinating described bolt (421);

The side wall lower ends of described main hull (11) is provided with butt hook (51), and the side wall lower ends that described secondary hull (12) is connected to main hull (11) is provided with the butt hook seat (61) that coordinate corresponding to described butt hook (51); Described butt hook seat (61) is provided with connecting rod (611);

Described power-equipment (2) comprise as main frame and provide the hydraulic oil pump (21) of power for full ship electrohydraulic control system, described hydraulic oil pump (21) is driven by the Diesel engine (22) as subsidiary engine;

Described excavation equipment (3) comprises digging arm (31) and is connected to the grab bucket of digging arm (31) end, environmental protection cutters (32), bucket wheel (34) or common reamer (35); Described digging arm (31) the other end is provided with the hydraulic jack hoisting mechanism (33) driving described digging arm (31) to rise or decline;

The discharge pipe (43) for mud is discharged that described dredge pump system (4) comprises dredge pump gear box (41), the tube connector (42) be communicated with described excavation equipment (3) and is communicated with described tube connector (42); Described dredge pump gear box (41) comprises gear-box and dredge pump input and output assembly, described gear-box is divided into the split type structure of upper box and lower box, be provided with output shaft (411) in described upper box, the radial surface of described output shaft (411) is step structure; Power shaft assembly (412) is installed in described lower box;

Described discharge pipe (43) is connected with submersible discharge pipe (44); Described submersible discharge pipe (44) comprises the head-end station (442) and tail point station (443) that are communicated with institute's discharge pipe (43);

The upper uneven distribution of described bucket wheel (34) has bucket (341), the cavity (344) being distributed with suction chamber (342), the suction pipe (343) communicated with described suction chamber (342) in described bucket wheel (34) and being surrounded by described suction chamber (342); The width of described suction chamber (342) to be communicated with position with described suction chamber (342) distance with described suction pipe (343) increases and becomes large; Described bucket (341) distribution increases with the distance of described cavity (344) with described bucket (341) and becomes close; Described bucket wheel (34) is gone up and is provided with apart from described cavity (344) distalmost end and scrapes trowel (345);

Described environmental protection cutters (32) is Multi-blade environmental protection cutters;

Described environmental protection cutters (32) comprises multi-disc blade (322), inner flange (324) free to rotate each other and outward flange (323), the side of blade (322) is cutter hub (3221), opposite side is provided with the cutting edge portion (3222) that high-alloy steel is made, described cutting edge portion is provided with cutting edge, all blades (322) are evenly arranged along the circumferencial direction of inner flange (324), described cutting edge portion (3221) is in outer ring, this blade (322) is covered with case (321), blade (322) is fixedly installed on inner flange (324), described case (321) is fixedly installed on outward flange (323), described case (321) is provided with removable cover (327), the Lower Half of case (321) is provided with opening (328), the limit, left side (3211) of described opening (328) is consistent with the height of right edge (3212), described outward flange (323) is fixedly installed in connection bracket (325), outward flange (323) is fixedly installed and drives inner flange (324), make inner flange (324) and outward flange (323) motor (326) in relative rotation, the center of inner flange (324) is also provided with the suction pipe (329) for being sucked by mud.

2. a kind of Dredging ship according to claim 1, is characterized in that: crane span structure transverse-moving mechanism (112) comprises the oil cylinder that is positioned at stem and the travelling winch by described oil cylinder drive work.

3. a kind of Dredging ship according to claim 1, is characterized in that: described guide pile (111) is pressure type guide pile, and described guide pile (111) is connected with the chassis for making it move in parallel.

4. a kind of Dredging ship according to claim 3, is characterized in that: the angle between adjacent described blade (322) is 20-30 °, and between adjacent described blade (322), nearest spacing is the 15-25% of blade width.

5. a kind of Dredging ship according to claim 4, is characterized in that:

Described head-end station (442) comprises for the casing (4421) at water float, the motor (4423) being provided with the first dredge pump (4422) in described casing and driving described dredge pump (4422) to rotate, the import of described dredge pump (4422) is communicated with described discharge pipe (43);

Described tail point station (443) comprises for the casing (4431) at water float, the motor (4433) being provided with the second dredge pump (4432) in described casing and driving described second dredge pump (4432) to rotate;

The import of described second dredge pump (4432) is communicated with by described diving flexible pipe (444) with the outlet of the first dredge pump (4422).

6. a kind of Dredging ship according to claim 5, is characterized in that: described head-end station (442) also comprises for carrying compressed-air actuated air compressor machine (4424) to described diving flexible pipe (444); The one way valve (4425) of a guarantee from the described diving flexible pipe (444) of the unidirectional inflow of air compressor machine (4424) compressed air is out provided with between described air compressor machine (4424) and described diving flexible pipe (444).

7. a kind of Dredging ship according to claim 6, is characterized in that: described bucket wheel (34) is specified bucket number type bucket wheel or the number type bucket wheel that struggles against less;

Described common reamer (35) is open cutter or crown cutter.