CN203924166U - The two grid devices of a kind of trailing suction hopper dredger drag head - Google Patents
The two grid devices of a kind of trailing suction hopper dredger drag head Download PDFInfo
- Publication number
- CN203924166U CN203924166U CN201420322687.6U CN201420322687U CN203924166U CN 203924166 U CN203924166 U CN 203924166U CN 201420322687 U CN201420322687 U CN 201420322687U CN 203924166 U CN203924166 U CN 203924166U
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- grid
- drag head
- suction hopper
- hopper dredger
- trailing suction
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- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 238000003466 welding Methods 0.000 claims description 8
- 230000009191 jumping Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 13
- 239000004927 clay Substances 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000003670 easy-to-clean Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000004575 stone Substances 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model relates to the two grid devices of a kind of trailing suction hopper dredger drag head.The utility model belongs to Dredging Technology field.The two grid devices of trailing suction hopper dredger drag head, are characterized in: the two grid devices of drag head consist of upper grid and bottom grid two parts; Upper grid is welded by cross binding and longitudinal bracing, is fixedly mounted on movable guard; Bottom grid is welded by arc support, curved baffle and the cross binding of longitudinal arrangement, and bottom grid is fixedly mounted on drag head body.The utlity model has the two grid devices of trailing suction hopper dredger drag head of the feature such as simple in structure, easy and simple to handle, practical, cost is low.The utility model can solve clay, foreign material and easily block up grid, blocks up and harrow a not difficult problem for easy to clean, has greatly improved production efficiency, and the rake that can be widely used in clay, foreign material more regions is inhaled ship construction operation.
Description
Technical field
The utility model belongs to Dredging Technology field, particularly relates to the two grid devices of a kind of trailing suction hopper dredger drag head.
Background technology
At present, trailing suction hopper dredger can run into various operating modes in construction, generally can grid be installed at drag head place, to prevent that the foreign material such as stone, timber, fishing net from entering dredging tube road and dredge pump.
Most grids are installed in drag head body runner, for the rigid truss structure being welded by steel plate or round steel, be commonly called as hard grid, although anti-blocking foreign material effect is better, the probability of stopping up is large, once and stop up, there is not easy-clear, take a lot of work bothersome, increase constructor's working strength, reduce rake and inhale the technical problems such as ship engineering time utilization rate and production efficiency.
Summary of the invention
The utility model provides a kind of trailing suction hopper dredger drag head two grid devices for solving the technical problem existing in known technology.
The purpose of this utility model is to provide a kind of two grid devices of trailing suction hopper dredger drag head with the feature such as simple in structure, easy and simple to handle, practical, cost is low.The utility model can solve clay, foreign material and easily block up grid, blocks up and harrow a not difficult problem for easy to clean, and the rake that can be widely used in clay, foreign material more regions is inhaled ship construction.
The structure of the two grid devices of the utility model drag head: novel pair of grid of drag head is comprised of upper and lower grid two parts, upper Under The Grille forms by steel plate and steel-pipe welding, upper grid is installed on drag head movable guard, bottom grid is welded in drag head body wear-resistant block top and rake cavity wall, and at the surface soldered several piece curved baffle corresponding with upper grid.At rake, inhale in ship work progress, two grids are inhaled the variation along with movable guard angle in ship construction at rake can there is relative rotation, spacing between the lower end steel pipe of upper grid and the upper end curved baffle of bottom grid is constant (can remain on 5cm left and right) all the time, can prevent because foreign material are blocked between upper Under The Grille, along with the variation of movable guard angle causes crimp to grid, extended the application life of grid.
The technical scheme that the two grid devices of the utility model trailing suction hopper dredger drag head are taked is:
The two grid devices of trailing suction hopper dredger drag head, are characterized in: the two grid devices of drag head consist of upper grid and bottom grid two parts; Upper grid is welded by cross binding and longitudinal bracing, is fixedly mounted on movable guard; Bottom grid is welded by arc support, curved baffle and the cross binding of longitudinal arrangement, and bottom grid is fixedly mounted on drag head body.
The two grid devices of the utility model trailing suction hopper dredger drag head can also adopt following technical scheme:
The two grid devices of described trailing suction hopper dredger drag head, are characterized in: the cross binding of upper grid is 1-4 root steel pipe, and longitudinal bracing is several steel plates, and steel pipe two ends and steel plate top and movable guard weld together.
The two grid devices of described trailing suction hopper dredger drag head, be characterized in: the arc of the longitudinal arrangement of bottom grid is supported for curved plate, the cross binding of bottom grid is horizontal steel pipe, curved plate and laterally steel-pipe welding are at drag head body wear-resistant block top and rake cavity wall, and curved plate rear end is welded to connect with drag head body every a jumping one.
The two grid devices of described trailing suction hopper dredger drag head, are characterized in: the curved baffle of bottom grid, its radian and shape and structure, can, when upper grid is rotated with movable guard, keep the gap of upper grid and bottom grid curved baffle constant.The radian of bottom grid curved plate and baffle plate and shape facility need to be determined according to drag head size and the calculating of upper grid size, and the length of curved baffle can be adjusted according to actual demands of engineering.
Advantage and the good effect that the utlity model has are:
The two grid devices of trailing suction hopper dredger drag head are owing to having adopted the technical scheme that the utility model is brand-new, compared with prior art, the utlity model has the features such as simple in structure, practical, cost is low, installation and removal are convenient, hard grid compared with conventional mounting in drag head body runner, grid is difficult for stopping up and clearing up conveniently, has alleviated rake and has inhaled the technical problem that can not construct continuously that ship causes because of clay, the stifled grid of foreign material.For the operating mode of frequent stifled grid, stifled rake, the utility model has good promotion prospect, can greatly improve efficiency of construction.
Accompanying drawing explanation
Fig. 1, Fig. 6 are the drag head structural representations that the two grid devices of the utility model are installed;
Fig. 2, Fig. 3 are the utility model bottom cell structure schematic diagrames;
Fig. 4, Fig. 5 are the utility model upper grid, bottom cell structure schematic diagram;
Fig. 7, Fig. 8, Fig. 9 are provided with the drag head structural representation of the two grid devices of the utility model while being different drag head movable guard angle.
In figure, 1, steel pipe, 2, curved plate, 3, curved baffle, 4, drag head body, 5, upper grid, 6, drag head movable guard, 7, hydraulic plunger.
The specific embodiment
For further understanding utility model content of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Consult accompanying drawing 1 to Fig. 9.
Embodiment 1
The two grid devices of trailing suction hopper dredger drag head, consist of upper grid and bottom grid two parts; Upper grid is welded by cross binding and longitudinal bracing, is fixedly mounted on movable guard; Bottom grid is welded by arc support, curved baffle and the cross binding of longitudinal arrangement, and bottom grid is fixedly mounted on drag head body.
The cross binding of upper grid is steel pipe, and longitudinal bracing is steel plate, and steel pipe two ends and steel plate top and movable guard weld together.The arc of the longitudinal arrangement of bottom grid is supported for curved plate, the cross binding of bottom grid is horizontal steel pipe, curved plate and laterally steel-pipe welding are at drag head body wear-resistant block top and rake cavity wall, and curved plate rear end is welded to connect with drag head body every a jumping one.The curved baffle of bottom grid, its radian and shape and structure, can, when upper grid is rotated with movable guard, keep the gap of upper grid and bottom grid curved baffle constant.The radian of bottom grid curved plate and curved baffle and shape facility need to be determined according to drag head size and the calculating of upper grid size, and the length of curved baffle can be adjusted according to actual demands of engineering.
The concrete structure of the present embodiment and operation implementation process:
The upper grid of the two grid devices of the present embodiment trailing suction hopper dredger drag head is welded by two row's steel pipes and 17 row bar steel plates; Bottom grid forms rigid structures by steel pipe 1 and curved plate 2 welding, and at steelframe top welding steel curved baffle 3, for ease of welding procedure, curved baffle is divided into some sections.Upper grid is welded in drag head movable guard, and the curved plate front end of bottom grid is welded on drag head wear-resistant block top, and the curved plate of rear end is welded to connect with drag head body every a jumping one, to prevent that foreign material are enclosed in grid inside, bottom and cause grid to stop up.The spacing of the lower end steel pipe of upper grid and bottom grid curved baffle is 5cm left and right, and along with hydraulic plunger 7 motions, drag head movable guard 6 angles change, this spacing can not change, even if therefore stop up and have hard foreign material (as stone) between upper Under The Grille, also can not cause the extrusion damage of grid.
Novel pair of grid device of described drag head, is welded by materials such as steel pipe, steel plates, adopts welding manner to be fixed on drag head movable guard and body, has sufficient intensity.
Practical application: certain engineering soil property is hard fine silt, there are a large amount of stones in works area, for preventing that stone from entering dredging tube road and dredge pump, on drag head body, grid is installed, stone frequent jams grid, the drag head labor cleaning above deck that need to hoist, because grid installation site is by inner, brings very large difficulty to the cleaning of stone.This Novel grille is installed, and the stifled grid situation of stone is eased, and when the drag head that hoists carries out labor cleaning, because grid position is outer, labor cleaning is more easy to operate, and upper grid plane is substantially parallel with horizontal plane simultaneously, and stone more easily drops under Action of Gravity Field.Greatly reduce like this manpower and the time that because clearing up drag head on deck, consume, improved the effective rate of utilization of time.On the other hand, due to the hard fine silt difficulty of breaking ground, mud density is low, flow velocity is high, cause later stage rake suction ship stowage amount low, the curved baffle length that lengthens in the case bottom grid, extends to drag head body by curved baffle front end, and bottom grid is all sealed, result mud speed rate reduces, density promotes to some extent, and rake is inhaled ship later stage stowage amount and is significantly improved.
The present embodiment has described simple in structure, easy and simple to handle, practical, the good effect such as cost is low, solved foreign material easily stifled grid, stifledly harrow a not difficult problem for easy to clean, the rake that can be widely used in clay, foreign material more regions is inhaled ship construction operation.
Claims (4)
1. the two grid devices of trailing suction hopper dredger drag head, is characterized in that: the two grid devices of drag head consist of upper grid and bottom grid two parts; Upper grid is welded by cross binding and longitudinal bracing, is fixedly mounted on movable guard; Bottom grid is welded by arc support, curved baffle and the cross binding of longitudinal arrangement, and bottom grid is fixedly mounted on drag head body.
2. the two grid devices of trailing suction hopper dredger drag head according to claim 1, is characterized in that: the cross binding of upper grid is 1-4 root steel pipe, and longitudinal bracing is several steel plates, and steel pipe two ends and steel plate top and movable guard weld together.
3. two grid devices of trailing suction hopper dredger drag head according to claim 1, it is characterized in that: the arc of the longitudinal arrangement of bottom grid is supported for curved plate, the cross binding of bottom grid is horizontal steel pipe, curved plate and laterally steel-pipe welding are at drag head body wear-resistant block top and rake cavity wall, and curved plate rear end is welded to connect with drag head body every a jumping one.
4. according to the two grid devices of the trailing suction hopper dredger drag head described in claim 1,2 or 3, it is characterized in that: the curved baffle of bottom grid, its radian and shape and structure, can, when upper grid is rotated with movable guard, keep the gap of upper grid and bottom grid curved baffle constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322687.6U CN203924166U (en) | 2014-06-16 | 2014-06-16 | The two grid devices of a kind of trailing suction hopper dredger drag head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322687.6U CN203924166U (en) | 2014-06-16 | 2014-06-16 | The two grid devices of a kind of trailing suction hopper dredger drag head |
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| Publication Number | Publication Date |
|---|---|
| CN203924166U true CN203924166U (en) | 2014-11-05 |
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| CN201420322687.6U Expired - Lifetime CN203924166U (en) | 2014-06-16 | 2014-06-16 | The two grid devices of a kind of trailing suction hopper dredger drag head |
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| CN (1) | CN203924166U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507355A (en) * | 2016-01-08 | 2016-04-20 | 浙江水利水电学院 | Self-propulsion trailing suction hopper dredger |
| CN108797686A (en) * | 2018-06-27 | 2018-11-13 | 安徽佳明环保科技股份有限公司 | A kind of drag head device for inhaling ship for silt rake |
| CN108797687A (en) * | 2018-06-27 | 2018-11-13 | 安徽佳明环保科技股份有限公司 | A kind of drag head and its control method of drag suction dredger |
| CN109914504A (en) * | 2019-04-12 | 2019-06-21 | 中交天航滨海环保浚航工程有限公司 | Trailing suction hopper dredger drag head structure with vibration type grid |
| WO2020077548A1 (en) * | 2018-10-16 | 2020-04-23 | 张彩萍 | Trailing suction hopper dredger structure |
| CN113404111A (en) * | 2021-06-25 | 2021-09-17 | 中交天津航道局有限公司 | Detachable drag head truss for shallow sweeping of dredger and shallow sweeping method |
-
2014
- 2014-06-16 CN CN201420322687.6U patent/CN203924166U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507355A (en) * | 2016-01-08 | 2016-04-20 | 浙江水利水电学院 | Self-propulsion trailing suction hopper dredger |
| CN108797686A (en) * | 2018-06-27 | 2018-11-13 | 安徽佳明环保科技股份有限公司 | A kind of drag head device for inhaling ship for silt rake |
| CN108797687A (en) * | 2018-06-27 | 2018-11-13 | 安徽佳明环保科技股份有限公司 | A kind of drag head and its control method of drag suction dredger |
| CN108797686B (en) * | 2018-06-27 | 2020-10-30 | 安徽佳明环保科技股份有限公司 | Drag head device for silt drag suction ship |
| CN108797687B (en) * | 2018-06-27 | 2021-03-16 | 安徽佳明环保科技股份有限公司 | Drag head of trailing suction hopper dredger and control method thereof |
| WO2020077548A1 (en) * | 2018-10-16 | 2020-04-23 | 张彩萍 | Trailing suction hopper dredger structure |
| CN109914504A (en) * | 2019-04-12 | 2019-06-21 | 中交天航滨海环保浚航工程有限公司 | Trailing suction hopper dredger drag head structure with vibration type grid |
| CN109914504B (en) * | 2019-04-12 | 2023-10-10 | 中交(天津)疏浚工程有限公司 | Drag head structure of drag suction dredger with vibration type grating |
| CN113404111A (en) * | 2021-06-25 | 2021-09-17 | 中交天津航道局有限公司 | Detachable drag head truss for shallow sweeping of dredger and shallow sweeping method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |