CN219732118U - Drag head system and drag suction dredger - Google Patents
Drag head system and drag suction dredger Download PDFInfo
- Publication number
- CN219732118U CN219732118U CN202223070155.1U CN202223070155U CN219732118U CN 219732118 U CN219732118 U CN 219732118U CN 202223070155 U CN202223070155 U CN 202223070155U CN 219732118 U CN219732118 U CN 219732118U
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- pressure
- pipe
- drag
- flushing
- head system
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- 238000011010 flushing procedure Methods 0.000 claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 description 6
- 239000011499 joint compound Substances 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- -1 polyoxymethylene Polymers 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model provides a drag head system and a drag suction dredger, which comprises a pump suction pipe, a drag body, a high-pressure water flushing pipe, a high-pressure water tank and a flushing nozzle, wherein the pump suction pipe is fixed at the upper part of the drag body; the flushing nozzle is a steel racing flushing nozzle; the drag head system and the drag suction dredger are more durable, and the high-pressure water overflow cannot be influenced by the service time.
Description
Technical Field
The utility model relates to the field of dredging equipment, in particular to a drag head system and a drag suction dredger.
Background
The drag head is used for a drag suction dredger, is the forefront equipment of a pipeline of the drag suction dredger for sucking sediment or mud, and is one of main equipment for embodying dredging capability. The quality of the drag head directly influences the working efficiency of the drag suction dredger.
The operation principle of the trailing suction hopper ship: the harrow teeth of the harrow head harrow into the soil layer of the river bed, and the harrow depth of the harrow teeth is adjusted by changing the angle of the movable cover, so that the harrow suction efficiency is ensured. The drag head is provided with a high-pressure flushing system, and the soil layer of the river bed is loosened by high-pressure water pressure to form mixed fluid such as sand, stone, slurry and the like, and the pump suction pipe body is conveyed to the cabin.
The harrow head is provided with a high-pressure flushing system, and the required harrowing soil is hit and conveyed through high-pressure water pressure, so that the harrowing concentration is effectively ensured, and the operation efficiency is improved. The flushing nozzle is a key component in a high-pressure flushing system and is also a wearing part, and the high-pressure water flow, mud, sand and stone touch, so that the water nozzle is easy to wear and damage.
Disclosure of Invention
Based on this, there is a need to provide a more durable drag head system and a drag suction dredger.
The utility model provides a drag head system, which comprises a pump suction pipe, a drag body, a high-pressure water flushing pipe, a high-pressure water tank and a flushing nozzle, wherein the pump suction pipe is fixed at the upper part of the drag body, one end of the pump suction pipe is in an opening state and is used for being connected with the pump suction of a drag suction ship to pump sand and mud water dug by the drag suction ship to the ship, the other end of the pump suction pipe is communicated with the high-pressure water tank, the high-pressure water tank is communicated with the flushing nozzle, and the flushing nozzle is fixed on the drag body; the flushing nozzle is a steel racing flushing nozzle.
Preferably, the harrow head system further comprises an adjustable communicating piece, a movable cover and a hydraulic oil cylinder, wherein the movable cover is arranged at the upper part of the harrow body, one end of the adjustable communicating piece is communicated with the high-pressure flushing pipe, and the other end of the adjustable communicating piece is communicated with the movable cover; the adjustable communicating piece comprises a telescopic pipe and an angle adjusting piece, two ends of the telescopic pipe are respectively connected with one angle adjusting piece, one angle adjusting piece is communicated with the high-pressure flushing pipe, the other angle adjusting piece is communicated with the high-pressure water tank, and two ends of the hydraulic oil cylinder are respectively connected with the rake body and the movable cover.
Preferably, the adjustable communicating member further comprises an elbow and a flange, and the high-pressure flushing pipe branch pipe and the movable cover are connected with the angle adjusting member through the flange and the elbow.
Preferably, the telescopic tube comprises a first tube body, a second tube body and a sealing element, wherein the sealing element comprises an inner sealing element and an outer sealing element, the first tube body is partially sleeved with the second tube body, and the inner sealing element and the outer sealing element seal the sleeved joint of the first tube body and the second tube body.
Preferably, the first pipe body and the second pipe body are metal pipes.
Preferably, the angle adjusting member is a universal ball joint.
Preferably, the high-pressure water pipe comprises a high-pressure flushing pipe main pipe and a high-pressure flushing pipe branch pipe, the high-pressure flushing pipe branch pipe is communicated with the high-pressure flushing pipe main pipe, and the adjustable communicating piece is communicated with the high-pressure flushing pipe branch pipe; the high-pressure water tank comprises a movable cover high-pressure water tank, the flushing nozzle comprises a first high-pressure flushing nozzle, the movable cover high-pressure water tank is communicated with the adjustable communicating piece, and the movable cover high-pressure water tank is also communicated with the first high-pressure flushing nozzle.
Preferably, a stainless steel shell is arranged outside the first high-pressure flushing nozzle, and the flushing nozzle is fixed inside the stainless steel shell.
Preferably, the high-pressure water pipe comprises a high-pressure flushing pipe main pipe and a high-pressure flushing pipe branch pipe, and the high-pressure flushing pipe branch pipe is communicated with the high-pressure flushing pipe main pipe; the high-pressure water tank further comprises a suction inlet high-pressure water tank, the flushing nozzle comprises a second high-pressure flushing nozzle, the suction inlet high-pressure water tank is communicated with the high-pressure flushing pipe main pipe, and the suction inlet high-pressure water tank is also communicated with the second high-pressure flushing nozzle.
The utility model also provides a drag suction dredger, which comprises a dredger body and any drag head system, wherein the drag head system is communicated with a pump suction port of the dredger body.
According to the drag head system, the adjustable communicating piece is arranged, so that the angle of the movable cover can be freely adjusted even if the drag head does not use a rubber pipe, the service life of the drag head system is prolonged, the replacement frequency of parts is reduced, and the overflow of high-pressure water is not influenced.
Drawings
The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments of the utility model, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intentionally drawn to scale on actual size or the like, with emphasis on illustrating the principles of the utility model.
Figure 1 is a side view of a drag head shaping device according to a preferred embodiment of the present utility model;
figure 2 is an elevation view of a drag head shaping device of a preferred embodiment of the present utility model;
FIG. 3 is a front view of a drag head system of another preferred embodiment of the present utility model;
FIG. 4 is a cut-away view of a second high pressure flush nozzle of the present utility model.
In the figure: 1. a high pressure flush pipe main; 2. a high pressure flush pipe branch; 3. an elbow; 4. a flange 4; 5. a universal ball joint; 6. a telescopic tube; 7. a seal; 8. a pump suction pipe; 9. a high-pressure water tank with a movable cover; 10. a first high pressure flush nozzle; 11. a suction inlet high pressure water tank; 12. a second high pressure flush nozzle; 13. a movable cover; 14. and a hydraulic oil cylinder.
Detailed Description
In order that the utility model may be understood more fully, the utility model will be described with reference to the accompanying drawings.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to and integrated with the other element or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-4, an embodiment of the present utility model provides a drag head system, including a pump suction pipe 8, a drag body, a high-pressure water flushing pipe, a high-pressure water tank and a flushing nozzle, wherein the pump suction pipe 8 is fixed at the upper part of the drag body, one end of the pump suction pipe is in an open state and is used for being connected with the pump suction on the drag suction ship to pump sand and mud water of the drag to a ship, the other end of the pump suction pipe is communicated with the high-pressure water tank, the high-pressure water tank is communicated with the flushing nozzle, and the flushing nozzle is fixed on the drag body; the flushing nozzle is a steel racing flushing nozzle. The flushing nozzle in the drag head is made of ceramic material, and the ceramic has the advantages that: wear-resistant and corrosion-resistant; the disadvantages are: brittle, and is easy to crack or damage when being hit by hard objects. The utility model adopts the high molecular steel for the flushing nozzle, the steel is wear-resistant and corrosion-resistant, has no brittleness characteristic of ceramics, and the actual service time is more than 5 times of the service time of the traditional ceramics.
The rake head system further comprises an adjustable communicating piece, a movable cover 13 and a hydraulic oil cylinder 14, wherein the movable cover 13 is arranged on the upper portion of the rake body, one end of the adjustable communicating piece is communicated with the high-pressure flushing pipe, and the other end of the adjustable communicating piece is communicated with the movable cover 13. The pump suction pipe 8 is also provided with a connecting port, and the suction inlet of the pump suction pipe 8 is connected with the suction inlet of the suction dredger to suck the dredger cabin with the sand, stone and mud water pump. The rake body comprises rake teeth, a rake pillow and other structures, and reference can be made to patents such as 'main rake head-201621023617.6 for rake head mechanism' and 'dredger crushing rake head device-201810302073.4' for specific structures of the rake head (rake body), and as the rake head is already prior art in the field, the utility model is not repeated, and the utility model focuses on improvement of the high-pressure flushing mechanism of the rake head configuration. The adjustable communicating piece includes flexible pipe 6 and angle adjusting piece (can be universal ball joint 5), an angle adjusting piece is connected respectively at flexible pipe 6's both ends, an angle adjusting piece is linked together with high-pressure flushing pipe, another angle adjusting piece is linked together with high-pressure water tank, hydraulic cylinder 14's both ends are connected with harrow body and activity cover 13 respectively, when hydraulic cylinder 14 drove activity cover 13 angle regulation, flexible pipe 6 can adjust its length in real time, the corresponding angle regulation of angle adjusting piece, thereby adapt to the angle regulation of activity cover 13, thereby replace the rubber hose among the prior art, and then avoided the various inconvenient puzzlements that the rubber hose brought, for example: after the rubber tube is bent for many times, wrinkles are formed, long-term high-pressure water flow is flushed, and the rubber tube is easy to break and damage; the rubber tube turns to form folds, so that the flow rate of high-pressure water is reduced.
In the preferred embodiment, the adjustable communication member further comprises an elbow 3 and a flange 4, and the high pressure flush tube branch pipe 2 and the movable cover 13 are connected to the angle adjusting member through the flange 4 and the elbow 3. In particular, in the present embodiment, the elbow 3 is a 60 ° steel elbow 3, and of course, different elbows 3 may be provided according to the specific embodiment. One end of the elbow 3 is communicated with the high-pressure flushing branch pipe through a flange 4, and the other end is communicated with the angle adjusting piece. The other end of the telescopic rod is provided with a flange 4 and an elbow 3 which are used for connecting an adjustable piece and a movable cover high-pressure water tank 9. In other embodiments, the high pressure flush tube manifold 2 and the moveable cover high pressure tank 9 may be in communication via a rubber hose.
In a preferred embodiment the telescopic tube 6 comprises a first tube body and a second tube body, the sealing member 7 comprising an inner sealing member and an outer sealing member, the first tube body and the second tube body being partly sleeved, the inner sealing member and the outer sealing member sealing the sleeve joint of the first tube body and the second tube body for sealing the telescopic tube 6 against water. The hydraulic cylinder 14 is extended and contracted to correspondingly extend and shorten the telescopic tube 6, and simultaneously the linkage angle adjusting piece (the universal ball joint piece 5) changes the direction and acts on the movable cover 13 to change the angle and change the harrowing depth.
In a preferred embodiment, the first tube body and the second tube body are metal tubes. Specifically, the first pipe body and the second pipe body are steel pipes or copper pipes.
In the preferred embodiment, the high pressure water pipe comprises a main high pressure flushing pipe 1 and a branch high pressure flushing pipe 2, the branch high pressure flushing pipe 2 is communicated with the main high pressure flushing pipe 1, and the adjustable communicating member is communicated with the branch high pressure flushing pipe 2. The high-pressure water tank comprises a movable cover high-pressure water tank 9 and a first high-pressure flushing nozzle 10, the first high-pressure flushing nozzle 10 is fixed on a movable cover 13, the movable cover high-pressure water tank 9 is communicated with an adjustable communicating piece, and the movable cover high-pressure water tank 9 is also communicated with the first high-pressure flushing nozzle 10. The movable cover high-pressure water tank 9 is used for storing high-pressure water and is used for jetting high-pressure water columns by the first high-pressure flushing nozzle 10 on the movable cover 13.
In a preferred embodiment, the first high pressure flush nozzle 10 comprises a stainless steel shell and a flush nozzle secured within the stainless steel shell, the flush nozzle being made of a ceramic or siren material. Specifically, the steel material is polyoxymethylene. The stainless steel shell is provided with threads for interfacing with threads on the movable housing 13 to secure the first high pressure flush nozzle 10.
In the preferred embodiment, the high-pressure water pipe includes a high-pressure flushing pipe main pipe 1 and a high-pressure flushing pipe branch pipe 2, and the high-pressure flushing pipe branch pipe 2 communicates with the high-pressure flushing pipe main pipe 1. The high-pressure water tank also comprises a suction inlet high-pressure water tank 11 and a second high-pressure flushing nozzle 12, wherein the second high-pressure flushing nozzle 12 is fixed on the rake body, and specifically, the second high-pressure flushing nozzle 12 is arranged on a rake pillow positioned below the rake teeth. The suction inlet high-pressure water tank 11 is communicated with the high-pressure flushing pipe main pipe 1, the suction inlet high-pressure water tank 11 is also communicated with the second high-pressure flushing nozzle 12, and the suction inlet high-pressure water tank 11 is used for spraying high-pressure water column water by the second high-pressure flushing nozzle 12 on the rake pillow.
In a preferred embodiment, the second high pressure flush nozzle 12 is made of a sirocco material. Specifically, the steel material is polyoxymethylene.
In a preferred embodiment, the angle adjustment member is a universal ball joint 5. The universal ball joint 5 is used for connecting the telescopic pipe 6, the universal ball joint can rotate 360 degrees, the angle is changed, and the harrowing depth of the movable cover 13 is adjusted.
The utility model also provides a drag suction dredger, which comprises a dredger body and any drag head system, wherein the drag head system is communicated with a pump suction port of the dredger body.
According to the drag head system, the adjustable communicating piece is arranged, so that the angle of the movable cover 13 can be freely adjusted even if the drag head does not use a rubber pipe, the service life of the drag head system is prolonged, the replacement frequency of parts is reduced, and the overflow of high-pressure water is not influenced.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description of the terms "preferred embodiment," "further embodiment," "other embodiments," or "specific examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (9)
1. The drag head system is characterized by comprising a pump suction pipe, a drag body, a high-pressure water flushing pipe, a high-pressure water tank and a flushing nozzle, wherein the pump suction pipe is fixed at the upper part of the drag body, one end of the pump suction pipe is in an opening state and is used for being connected with the pump suction of a drag suction ship to pump sand and mud water dug by the drag suction pipe to a ship, the other end of the pump suction pipe is communicated with the high-pressure water tank, the high-pressure water tank is communicated with the flushing nozzle, and the flushing nozzle is fixed on the drag body; the flushing nozzle is a steel racing flushing nozzle.
2. The drag head system of claim 1, further comprising an adjustable communication member, a movable cover, a hydraulic cylinder, a main high-pressure flushing pipe and a branch high-pressure flushing pipe, wherein the branch high-pressure flushing pipe is communicated with the main high-pressure flushing pipe, the high-pressure water tank comprises a movable cover high-pressure water tank, the movable cover is arranged at the upper part of the drag body, one end of the adjustable communication member is communicated with the branch high-pressure flushing pipe, and the other end is communicated with the movable cover high-pressure water tank; the adjustable communicating piece comprises a telescopic pipe and an angle adjusting piece, two ends of the telescopic pipe are respectively connected with one angle adjusting piece, one angle adjusting piece is communicated with the high-pressure flushing pipe, the other angle adjusting piece is communicated with the high-pressure water tank, and two ends of the hydraulic oil cylinder are respectively connected with the rake body and the movable cover.
3. The drag head system of claim 2, wherein the adjustable communication member further comprises an elbow and a flange, both the high pressure flush tube manifold and the moveable cover being connected to the angle adjustment member by the flange and elbow.
4. Drag head system according to claim 2, wherein the telescopic tube comprises a first tube body, a second tube body and a seal, the seal comprising an inner seal and an outer seal, the first tube body and the second tube body being partly sleeved, the inner seal and the outer seal sealing the sleeved joint of the first tube body and the second tube body.
5. Drag head system according to claim 4, wherein the first and second pipe bodies are metal pipes.
6. Drag head system according to claim 2, wherein the angle adjustment member is a universal ball joint.
7. Drag head system according to claim 2, wherein the flushing nozzle comprises a first high pressure flushing nozzle, the moveable cover high pressure water tank being further in communication with the first high pressure flushing nozzle; the stainless steel shell is arranged outside the first high-pressure flushing nozzle, and the flushing nozzle is fixed inside the stainless steel shell.
8. The drag head system of claim 2, wherein the high pressure tank further comprises a suction inlet high pressure tank, the flush nozzle comprising a second high pressure flush nozzle, the suction inlet high pressure tank in communication with the high pressure flush tube main, the suction inlet high pressure tank further in communication with the second high pressure flush nozzle.
9. A suction hopper dredger comprising a dredger body and a drag head system according to any of the preceding claims 1-8, which drag head system is in communication with the pump suction of the dredger body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223070155.1U CN219732118U (en) | 2022-11-18 | 2022-11-18 | Drag head system and drag suction dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223070155.1U CN219732118U (en) | 2022-11-18 | 2022-11-18 | Drag head system and drag suction dredger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219732118U true CN219732118U (en) | 2023-09-22 |
Family
ID=88054915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223070155.1U Active CN219732118U (en) | 2022-11-18 | 2022-11-18 | Drag head system and drag suction dredger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219732118U (en) |
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2022
- 2022-11-18 CN CN202223070155.1U patent/CN219732118U/en active Active
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