CN217204341U

CN217204341U - Drag head structure of drag suction dredger

Info

Publication number: CN217204341U
Application number: CN202123270017.3U
Authority: CN
Inventors: 孟咸宏; 何炎平; 费龙; 姜国旺; 张碧波
Original assignee: Jiangsu Haixin Shipping Heavy Industries Co ltd
Current assignee: Jiangsu Haixin Shipping Heavy Industries Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-08-16
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a drag head structure of drag suction dredger, comprising a shell, an air pipe, a stirring component, a filter plate and a cleaning component, the utility model can install a plug board at the slope side wall of the trapezoidal shell, the side wall of the plug board is provided with a tooth-shaped groove, the plug board is inserted into the earth to turn out the stones inside the earth in the forward process of the drag head, the shell passes through the turned earth, the rake teeth stir and suck the earth from the top air pipe to prevent the stones from directly contacting the rake teeth to cause the breakage of the rake teeth, meanwhile, the filter plate is installed at the slope side wall of the shell, when the plug board turns out the stones, the lifted earth is easily driven to lift out, the lifted earth is sucked by the air pipe from the filter screen, the filter screen filters the stones outside, simultaneously, a motor at the top of the shell drives a threaded rod to rotate, a slide block and a connecting rod are driven to move in a guide groove by a lead screw structure, the connecting rod drives the brush board to brush out the stones on the side wall of the filter screen, the waste of soil quality is prevented.

Description

Drag head structure of drag suction dredger

Technical Field

The utility model relates to a harrow suction dredger technical field specifically is a harrow head structure of harrow suction dredger.

Background

In the dredging industry, a trailing suction hopper dredger is a large self-propelled, stowing hopper dredger equipped with a drag head construction excavator implement and a hydraulic suction device. When the dredger is used for dredging, the rake suction pipe is put down to the river bottom, mud is absorbed from the river bottom through the rake head structure and the mud suction pipe and enters a mud bin of the dredger under the vacuum action of the mud pump, and after the mud bin is full, the rake is lifted to sail to a mud throwing area for throwing mud. The drag head structure is the most front end device of a drag suction dredger for sucking mud or silt pipelines, the existing drag head structure is generally provided with drag teeth and a high-pressure water spray nozzle, and the conventional method is to match the drag head structure with high-pressure water flushing hydraulic excavation through drag tooth mechanical excavation. During operation, high-pressure water flow is ejected from the spray head, hardened sand is broken and loosened, then the cutting of the rake teeth is carried out, when the mud and the sand are punched and controlled, the mud is suspended easily, the mud pipe is convenient to suck, and the mud digging efficiency is improved.

However, along with the expansion of the construction range, stones are often mixed in the hard mud block, and the harrow teeth are likely to be cracked due to the direct contact of the harrow teeth with the stones in the working process of the harrow head, so that the construction efficiency is affected.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract and the title of the present application to avoid obscuring the purpose of this section, the abstract and the title of the present application, and such simplifications or omissions cannot be used to limit the scope of the present invention.

The present invention has been made in view of the above and/or other problems occurring in the conventional drag head structure of a drag suction hopper dredger.

Therefore, the utility model aims at providing a harrow suction dredge harrow head structure, can be through will installing the picture peg in trapezoidal casing slope shape lateral wall department, the cusp groove is seted up to the picture peg lateral wall, in-process picture peg inserts the inside stone of earth and turns out in the earth before the harrow head, the casing is through the earth of turning over, the rake tooth stirs garrulous and inhales from the top tuber pipe to earth again, it causes the rake tooth to be cracked to prevent stone direct contact rake tooth, simultaneously at casing slope shape lateral wall installation filter, it lifts out to drive the soil block easily when the picture peg turns out the stone, the soil block that lifts out is inhaled by the tuber pipe from the filter screen, the filter screen filters the stone externally, it is rotatory to drive the threaded rod through casing top motor simultaneously, it drives slider and connecting rod at the inside removal of guide way to utilize the lead screw structure, the connecting rod drives the brush board and brushes filter screen lateral wall stone, it is extravagant to prevent soil matter.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

a drag head structure of a drag suction dredger comprises:

the shell is provided with an opening arranged at the top of the shell, an inserting plate arranged on the right side wall of the shell and a tooth-shaped groove arranged on the right side wall of the inserting plate, the shell is trapezoidal, the right side wall of the shell is provided with a slope, the inserting plate is trapezoidal, and the right side wall of the inserting plate is provided with a slope;

the air pipe is arranged at the opening of the opening;

the stirring and crushing assembly comprises a first motor box arranged on the inner wall of the shell, a first motor arranged in the first motor box, a rotating rod arranged at the output end of the first motor and extending out of the first motor box, rake teeth arranged on the rod body of the rotating rod and a bearing arranged on the other end of the rotating rod and located on the inner wall of the shell.

As an optimized proposal of the harrow head structure of the harrow suction type dredger, wherein the right side wall of the shell is provided with a filter tank.

As an optimized scheme of a harrow suction dredger harrow head structure, wherein, still include the filter plate, the filter plate size with the filter tank size is unanimous, the filter plate is installed inside the filter tank.

As a preferred scheme of harrow suction dredge harrow head structure, wherein, still including the clearance subassembly, the clearance subassembly is including installing the second motor box at casing top, installing inside second motor of second motor box, install second motor output is stretched out the threaded rod of second motor box lateral wall, install the threaded rod other end is located the second bearing at casing top, install the slider of threaded rod body, install the connecting rod of slider lateral wall with install the brush board of the connecting rod other end.

As the utility model discloses a preferred scheme of harrow formula dredge harrow head structure, wherein, brush board length is greater than filter plate length.

As a preferred scheme of harrow suction dredge drag head structure, wherein, the slider lateral wall runs through and has seted up the thread groove, the thread groove diameter with the threaded rod diameter is unanimous, the threaded rod runs through the thread groove and with the thread groove rotates to be connected.

As a preferred scheme of harrow suction dredge drag head structure, wherein, the deflector is installed to casing right side wall, the deflector lateral wall runs through and has seted up the guide way.

As an optimized scheme of a harrow suction dredge drag head structure, wherein, the guide way width is greater than the connecting rod width, the connecting rod runs through the guide way.

Compared with the prior art: can be through will be in trapezoidal casing domatic lateral wall department installation picture peg, the dentate groove is seted up to the picture peg lateral wall, advance in-process picture peg before the rake head and insert the inside stone of earth and overturn, the casing is through the earth of overturning, the rake teeth stirs garrulous and inhales from the top tuber pipe to earth again, it is cracked to prevent that stone direct contact rake teeth from causing the rake teeth, simultaneously at casing domatic lateral wall installation filter, it lifts out to drive the soil block easily when picture peg overturns the stone, the soil block that lifts out is inhaled by the tuber pipe from the filter screen, the filter screen filters the stone externally, it is rotatory to drive the threaded rod through casing top motor simultaneously, utilize the lead screw structure to drive slider and connecting rod and remove at the guide way inside, the connecting rod drives the brush board and brushes filter screen lateral wall stone, prevent that the soil property is extravagant.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments, and 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 labor. Wherein:

fig. 1 is an overall structural view of a rake head structure of a trailing suction hopper dredger of the present invention;

FIG. 2 is a structural view of a rake head of a trailing suction hopper dredger according to the present invention;

FIG. 3 is a structural diagram of a head structure crushing assembly of the trailing suction hopper dredger of the present invention;

fig. 4 is a structural diagram of a cleaning assembly of a drag head structure of a drag suction dredger of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a harrow formula dredge harrow head structure, can be through installing the picture peg in trapezoidal casing slope shape lateral wall department, the cusp groove is seted up to the picture peg lateral wall, advance in-process picture peg at the harrow head and insert the inside stone of earth and roll out, the casing is through the earth of crossing, the rake tooth stirs garrulous and inhales from the top tuber pipe to earth again, it is cracked to prevent that stone direct contact rake tooth from causing the rake tooth, simultaneously at casing slope shape lateral wall installation filter, it lifts out to drive the soil block easily when the picture peg rolls out the stone, the soil block that lifts out is inhaled by the tuber pipe from the filter screen, the filter screen filters the stone externally, it is rotatory to drive the threaded rod through casing top motor simultaneously, it drives slider and connecting rod and removes at the guide way inside to utilize lead screw structure, the connecting rod drives the brush board and brushes filter screen lateral wall stone, it is extravagant to prevent soil matter.

Fig. 1 to 3 are first schematic structural views illustrating an embodiment of a rake head structure of a trailing suction hopper dredger according to the present invention, and referring to fig. 1 to 3, the rake head structure of the trailing suction hopper dredger according to the present embodiment includes a housing 100, an air pipe 200, and a crushing assembly 300.

The shell 100 is provided with an opening 110 arranged at the top of the shell 100, an inserting plate 120 arranged on the right side wall of the shell 100 and a toothed groove 130 arranged on the right side wall of the inserting plate 120, the shell 100 is trapezoidal, the right side wall of the shell 100 is provided with a slope, the inserting plate 120 is trapezoidal, the right side wall of the inserting plate 120 is provided with a slope, and the inserting plate 120 is used for being inserted into soil to lift out a stone from the soil along with the movement of the shell 100.

An air duct 200 is installed at the opening of the opening 110 for providing suction to the inside of the case 100.

The crushing assembly 300 comprises a first motor box 310 installed on the inner wall of the casing 100, a first motor 320 installed inside the first motor box 310, a rotating rod 330 installed at the output end of the first motor 320 and extending out of the first motor box 310, a rake 340 installed on the shaft of the rotating rod 330, and a bearing 350 installed at the other end of the rotating rod 330 and located on the inner wall of the casing 100, wherein the rake 340 is used for crushing soil to facilitate the suction of the air pipe 200.

Referring to fig. 1-3, in the rake head structure of the trailing suction hopper dredger according to the embodiment, when the trailing suction hopper dredger is used, the casing 100 is placed on the surface of soil, the inserting plate 120 is inserted into the soil, the dredger moves to drive the casing 100 to move, the inserting plate 120 moves along with the casing 100 and lifts stones out of the soil in the moving process of the casing 100, the casing 100 passes through the soil after being turned over, the air pipe 200 generates suction to suck the soil into the casing 100, the first motor 320 is started to drive the rotating rod 330 to rotate, the rake teeth 340 rotate along with the rotating rod 330, when the rake teeth 340 rotate, the soil is crushed, and the crushed soil is sucked into the dredger by the air pipe 200.

Fig. 1 to 3 are second schematic structural views illustrating a rake head structure of a trailing suction hopper dredger according to an embodiment of the present invention, and referring to fig. 1 to 3, unlike the above-described embodiment, the rake head structure of the trailing suction hopper dredger according to the embodiment includes a filter plate 400 and a cleaning assembly 500.

The right side wall of the housing 100 is opened with a filter tank 140.

The filter sheet 400 has a size corresponding to that of the filter tank 140, and the filter sheet 400 is installed inside the filter tank 140.

The cleaning assembly 500 comprises a second motor box 510 arranged on the top of the casing 100, a second motor 520 arranged inside the second motor box 510, a threaded rod 530 arranged at the output end of the second motor 520 and extending out of the side wall of the second motor box 510, a second bearing 540 arranged at the other end of the threaded rod 530 and positioned on the top of the casing 100, a slide block 550 arranged on the rod body of the threaded rod 530, a connecting rod 560 arranged on the side wall of the slide block 550, and a brush plate 570 arranged at the other end of the connecting rod 560, wherein the length of the brush plate 570 is greater than that of the filter plate 400, so that stones on the surface of the filter plate 400 can be conveniently brushed away when the brush plate 570 moves, a thread groove 551 is formed through the side wall of the slide block 550, the diameter of the thread groove 551 is the same as that of the threaded rod 530, the threaded rod 530 penetrates through the thread groove 551 and is rotatably connected with the thread groove 551, a guide plate 580 is arranged on the right side wall of the casing 100, a guide plate 580 is formed through the side wall of the guide groove 581, and the width of the guide groove 581 is greater than that of the connecting rod 560, the connecting rod 560 penetrates through the guide groove 581, and the guide groove 581 is used for guiding and limiting the connecting rod 560.

Referring to fig. 1 to 3, in the rake head structure of the trailing suction hopper dredger according to the embodiment, when stones are lifted in use, soil may be lifted out together, the lifted soil and stones are sucked in from the filter groove 140 by the suction force generated by the air duct 200 and crushed by the rake teeth 340 when passing through the right side wall of the casing 100, the stones are separated from the side wall of the casing 100 by the filter plate 400, so as to prevent waste of soil, meanwhile, the second motor 520 is started to drive the threaded rod 530 to rotate, the slider 550 horizontally moves on the rod body of the threaded rod 530 through the threaded groove 551 by using a screw rod structure to drive the connecting rod 560 and the brush plate 570 to horizontally move, the connecting rod 560 penetrates through the guide groove 581, the guide groove 581 limits the conducting wire of the connecting rod 560 to prevent the connecting rod 560 from rotating along with the rotation of the threaded rod 530, when the brush plate 570 repeatedly moves on the side wall of the shell 100, the stone on the surface of the filter plate 400 is cleaned and swept, so that the stone is prevented from blocking the side wall of the filter plate 400 to influence the suction of the soil blocks.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a trailing head structure of trailing suction hopper dredger which characterized in that includes:

the shell (100) is provided with an opening (110) arranged at the top of the shell (100), an inserting plate (120) arranged on the right side wall of the shell (100) and a toothed groove (130) arranged on the right side wall of the inserting plate (120), the shell (100) is trapezoidal, the right side wall of the shell (100) is provided with a slope, the inserting plate (120) is trapezoidal, and the right side wall of the inserting plate (120) is provided with a slope;

the air pipe (200), the said air pipe (200) is installed at the opening of the said opening (110);

stirring subassembly (300), including installing first motor box (310) of casing (100) inner wall, install first motor (320) inside first motor box (310), install first motor (320) output and stretch out bull stick (330) of first motor box (310), install the rake teeth (340) of bull stick (330) pole body and install bull stick (330) other end and be located bearing (350) of casing (100) inner wall.

2. The drag head structure of drag suction dredger according to claim 1, characterized in that the right side wall of the casing (100) is provided with a filter tank (140).

3. A rake head structure of a trailing suction hopper dredger according to claim 2, characterized in that it further comprises a filter plate (400), the size of the filter plate (400) corresponding to the size of the filter tank (140), the filter plate (400) being mounted inside the filter tank (140).

4. A drag head structure of a drag suction hopper dredger according to claim 3, further comprising a cleaning assembly (500), wherein the cleaning assembly (500) comprises a second motor box (510) installed at the top of the casing (100), a second motor (520) installed inside the second motor box (510), a threaded rod (530) installed at the output end of the second motor (520) and extending out of the side wall of the second motor box (510), a second bearing (540) installed at the other end of the threaded rod (530) and located at the top of the casing (100), a slider (550) installed at the shaft of the threaded rod (530), a connecting rod (560) installed at the side wall of the slider (550), and a brush plate (570) installed at the other end of the connecting rod (560).

5. The drag head structure of a drag suction hopper dredger according to claim 4, wherein the length of the brush plate (570) is greater than the length of the filter plate (400).

6. The drag head structure of a drag suction dredger according to claim 5, wherein the side wall of the slide block (550) is perforated with a threaded groove (551), the diameter of the threaded groove (551) is identical to the diameter of the threaded rod (530), and the threaded rod (530) is perforated with the threaded groove (551) and is rotatably connected with the threaded groove (551).

7. The drag head structure of a drag suction hopper dredger according to claim 6, wherein a guide plate (580) is installed on the right side wall of the housing (100), and a guide groove (581) is formed through the side wall of the guide plate (580).

8. A drag head construction of a trailing suction hopper dredger according to claim 7, characterized in that the width of the guide groove (581) is larger than the width of the connecting rod (560), the connecting rod (560) extending through the guide groove (581).