CN212026387U

CN212026387U - Dredger

Info

Publication number: CN212026387U
Application number: CN202020287248.1U
Authority: CN
Inventors: 庞爱泉
Original assignee: Qingzhou Keda Environmental Protection Machinery Co ltd
Current assignee: Qingzhou Keda Environmental Protection Machinery Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-11-27
Anticipated expiration: 2030-03-10

Abstract

The utility model discloses a dredger, which comprises a floating body, wherein the floating body is provided with a bow end and a stern end; a bridge body extends outwards from the bow end of the floating body, and a portal frame and a positioning anchor arranged on the portal frame are arranged on the bridge body; the front end of the bridge body is also connected with a reamer head; a main positioning column capable of moving up and down and a trolley for assisting the main positioning column to move up and down are arranged at the stern end of the floating body, and a jacking hydraulic oil cylinder for enabling the main positioning column to move up and down is arranged on the trolley; the floating body is provided with a driving device, a sand discharging device and a winch, and the driving device is connected with the sand discharging device; the floating body is characterized by further comprising an auxiliary positioning column connected with the hydraulic system, and the auxiliary positioning column is arranged on the side face of the floating body. The utility model discloses during the removal, main reference column and auxiliary reference column trade the stake in turn, and the reamer mud digging process is the fan-shaped operation process that advances the hinge suction dredger and can once accomplish work such as dredging, fortune mud, unloading mud in succession, has efficient, characteristics with low costs.

Description

Dredger

Technical Field

The utility model relates to a river course cleaning equipment technical field especially indicates a dredge.

Background

Due to the change of ecological environment and the siltation of rivers and lakes caused by water and soil loss, a large number of dredger ships are needed for dredging the river channels, developing shipping, treating flood and the like.

The cutter suction dredger is a ship widely used at present, and carries out dredging operation by utilizing the front end of a water suction pipe and a rotary reamer device arranged around the water suction pipe. The ship is usually in a non-self-propelled type, adopts fixed-point operation, has a small operation range, and has low efficiency when removing sludge in a large area; however, the chain bucket type chain bucket dredger is high in efficiency when used for dredging sludge, but low in efficiency when used for dredging hard mud, and the chain bucket system of the dredger is large in abrasion and high in maintenance cost.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, provides a dredge, when having solved the operation of dredge fixed point, the operation scope is less, digs the problem that hard mud is inefficient.

The technical scheme of the utility model is realized like this:

a dredger comprising a buoyant body having a bow end and a stern end; a bridge body extends outwards from the bow end of the floating body, and a portal frame and a positioning anchor arranged on the portal frame are arranged on the bridge body; the front end of the bridge body is also connected with a reamer head; a main positioning column capable of moving up and down and a trolley for assisting the main positioning column to move up and down are arranged at the stern end of the floating body, and a jacking hydraulic oil cylinder for enabling the main positioning column to move up and down is arranged on the trolley; the floating body is provided with a driving device, a sand discharging device and a winch, and the driving device is connected with the sand discharging device; the floating body is characterized by further comprising an auxiliary positioning column connected with a hydraulic system, wherein the auxiliary positioning column is arranged on the side face of the floating body.

Further, the reamer head is a hydraulic reamer head.

Further, the sand discharge device comprises a sand pump and a sand discharge pipe; the sand pump is arranged at the bottom of the floating body, the sand discharge pipe is arranged on the floating body, and one end of the sand discharge pipe penetrates through the floating body to be connected with the sand pump at the bottom of the floating body.

Further, the driving device comprises a trolley and a diesel engine, and the diesel engine is respectively connected with the winch and the hydraulic system.

Further, the winch comprises a traversing winch and a lifting winch for improving the ship excavation radius, and the traversing winch is connected with the hydraulic system; the lifting winch is connected with the positioning anchor through a cable.

Adopt above-mentioned technical scheme, the utility model provides a pair of dredge's beneficial effect is in: during dredging, the main positioning column or the auxiliary positioning column is inserted into the river bottom to serve as a positioning pile, the dredger is pulled by the positioning anchor, the positioning pile serves as the center, the floating body and the reamer head swing back and forth left and right under the action of the transverse winch to form a fan-shaped dredging surface, underwater soil layers are cut to achieve dredging, and the operation range is larger. When the reamer is moved, the main positioning column and the auxiliary positioning columns alternately replace piles like walking on two legs, the operation process that the reamer mud digging process is a fan-shaped forward hinged suction type dredger can continuously complete the mud digging, mud conveying, mud discharging and other works at one time, the operation range is larger, and the mud digging efficiency is higher.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention.

In the figure, 1-floating body, 2-positioning anchor, 3-bridge body, 4-portal frame, 5-reamer head, 6-sand pump, 7-sand discharge pipe, 8-main positioning column, 9-auxiliary positioning column, 10-trolley, 11-diesel engine, 12-hydraulic system, 13-jacking hydraulic oil cylinder, 14-traversing winch, 15-lifting winch and 16-cable.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

As shown in fig. 1 and 2, in an embodiment provided by the present invention, a dredger comprises a floating body 1, the floating body 1 having a fore end and an aft end; a bridge body 3 extends outwards from the bow end of the floating body 1, and a portal frame 4 and a positioning anchor 2 arranged on the portal frame 4 are arranged on the bridge body 3; the front end of the bridge body 3 is also connected with a reamer head 5; a main positioning column 8 capable of moving up and down and a trolley 10 for assisting the main positioning column 8 to move up and down are arranged at the stern end of the floating body 1, and a jacking hydraulic oil cylinder 13 for enabling the main positioning column 8 to move up and down is arranged on the trolley 10; the floating body 1 is provided with a driving device, a sand discharging device and a winch, and the driving device is connected with the sand discharging device; still include the auxiliary positioning post 9 of being connected with hydraulic system 12, auxiliary positioning post 9 sets up in body 1 side, and main reference column 8 and auxiliary positioning post 9 alternate use can realize that the dredger removes in the river course.

In particular, in power considerations, the reamer head 5 employs a hydraulic reamer head 5 that can dig harder gravel clay. The reamer head 5 cuts the earth surface, ensuring the concentration of the earth in the water.

Specifically, the sand discharge device comprises a sand pump 6 and a sand discharge pipe 7; the sand pump 6 is arranged at the bottom of the floating body 1, the sand discharge pipe 7 is arranged on the floating body 1, and one end of the sand discharge pipe 7 penetrates through the floating body 1 to be connected with the sand pump 6 at the bottom of the floating body 1. The sand pump 6 pumps sand at the bottom of the floating body 1 and then discharges the sand through the sand discharge pipe 7. When in dredging, the reamer head 5 is used for cutting the soil at the river bottom to ensure the concentration of sand and soil in water, and then the sand pump 6 is used for sucking slurry from the sand discharge pipe 7 and conveying the slurry to the bank or a hopper car for transportation through the sand discharge pipe 7.

Specifically, the driving device comprises a trolley 10, a diesel engine 11 and a hydraulic system 12 connected with the diesel engine 11, wherein the hydraulic system 12 is respectively connected with positioning columns; the diesel engine 11 is connected to a winch and a hydraulic system 12, respectively.

Specifically, the winch is including being used for improving boats and ships excavation radius's sideslip winch 14 and lifting winch 15, and sideslip winch 14 and hydraulic cylinder connection rely on sideslip winch 14's help during the dredging, and main reference column 8 and supplementary reference column 9 insert and extract from earth in turn to make the hull antedisplacement, make the dredger anti-wind and wave ability stronger when the operation of shallow sea area, adopt hydraulic cylinder to promote the structure, can reduce boats and ships overall height, simplify the hull structure. The hoisting winch 15 is connected to the localizing anchor 2 by a cable 16, controlling the raising and lowering of the localizing anchor 2.

Specifically, the positioning column further comprises an auxiliary positioning column 9 connected with a hydraulic system 12, and the auxiliary positioning column 9 is arranged on the side surface of the floating body 1. The main positioning column 8 and the auxiliary positioning column 9 can realize that the dredger moves in a river channel.

Understandably, the main positioning column 8 or the auxiliary positioning column 9 is inserted into the river bottom as a positioning pile during dredging, the positioning anchor 2 is used for pulling the dredger, the positioning pile is used as the center, the floating body 1 and the reamer head 5 swing back and forth left and right under the action of the transverse winch 14 to form a fan-shaped dredging surface, underwater soil layers are cut to realize dredging, and the operation range is larger. When moving, the main positioning column 8 and the auxiliary positioning column 9 alternately change piles like walking on two legs, the operation process of the reamer head 5 of the dredger advancing in a fan-shaped manner can continuously complete the operations of dredging, mud conveying, mud discharging and the like at one time, the operation range is larger, and the dredging efficiency is higher.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A dredger, characterized in that: comprises a floating body, wherein the floating body is provided with a bow end and a stern end; a bridge body extends outwards from the bow end of the floating body, and a portal frame and a positioning anchor arranged on the portal frame are arranged on the bridge body; the front end of the bridge body is also connected with a reamer head; a main positioning column capable of moving up and down and a trolley for assisting the main positioning column to move up and down are arranged at the stern end of the floating body, and a jacking hydraulic oil cylinder for enabling the main positioning column to move up and down is arranged on the trolley; the floating body is provided with a driving device, a sand discharging device and a winch, and the driving device is connected with the sand discharging device; the floating body is characterized by further comprising an auxiliary positioning column connected with a hydraulic system, wherein the auxiliary positioning column is arranged on the side face of the floating body.

2. A dredger according to claim 1, wherein: the reamer head is a hydraulic reamer head.

3. A dredger according to claim 1, wherein: the sand discharge device comprises a sand pump and a sand discharge pipe; the sand pump is arranged at the bottom of the floating body, the sand discharge pipe is arranged on the floating body, and one end of the sand discharge pipe penetrates through the floating body to be connected with the sand pump at the bottom of the floating body.

4. A dredger according to claim 1, wherein: the driving device comprises a trolley and a diesel engine, and the diesel engine is respectively connected with the winch and the hydraulic system.

5. A dredger according to claim 1, wherein: the winch comprises a traversing winch and a lifting winch which are used for improving the excavation radius of the ship, and the traversing winch is connected with the hydraulic system; the lifting winch is connected with the positioning anchor through a cable.