CN109914506A - Guarantee the trailing suction hopper dredger drag head of mud passability - Google Patents
Guarantee the trailing suction hopper dredger drag head of mud passability Download PDFInfo
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- CN109914506A CN109914506A CN201910292484.4A CN201910292484A CN109914506A CN 109914506 A CN109914506 A CN 109914506A CN 201910292484 A CN201910292484 A CN 201910292484A CN 109914506 A CN109914506 A CN 109914506A
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- Prior art keywords
- mud
- passability
- drag head
- outer housing
- crossbeam
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000005507 spraying Methods 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of trailing suction hopper dredger drag heads for guaranteeing mud passability.Including outer housing and it is nested in the intracorporal inner housing of shell, two shafts of the two using quartile in two sides are articulated and connected；It is equipped with water guide box in the bottom of outer housing, water inlet pipe is installed at the top of outer housing, the lower end of water inlet pipe extends into outer housing and end and the perforation of water guide box connect, and is equipped with multiple hole for water sprayings in the bottom of water guide box；It is welded with side plate in the left and right sides of inner housing front, crossbeam is equipped between two side plates, is set on crossbeam there are two inner seat, forward frame is equipped in the bottom of crossbeam, further includes cover board, sets that there are two outer bases on the cover board；It further include two booms for having connecting hole；It is equipped with multiple mounting bases with threaded hole along its length in the bottom of crossbeam, rake teeth is equipped with by fastening screw in each mounting base.Structure design of the invention is simple and compact, easy to use, guarantees the passability of mud.
Description
Technical field
The invention belongs to ship dredging construction equipment technical field more particularly to a kind of trailing suction hopper dredgers for guaranteeing mud passability
Drag head.
Background technique
Drag suction dredger is one of suction type, it sucks mud by being placed in the drag head of two side of a ship of hull or tail portion,
It works in such a way that mud, Bian Hanghang are inhaled in side.It is to be loosened the soil using mud rake, open hopper, the size of volume of compartment product representation ship is set in ship.Rake
Suction Dredger is a kind of large-scale boat, binning formula dredger certainly that equipment and hydraulic dredging device are excavated equipped with drag head.It dredges
When, rake suction pipe is put down into river bed, using the vacuum action of dredge pump, is entered by drag head and dredging tube from river bed absorbent slurry and is dredged
In the hopper dredger of ship, after hopper dredger is full, plays rake navigation to mud dumping area and open mud door dump, or the soil dug is directly excluded into outboard.
Some dredgers the soil for being unloaded at hopper dredger, which can also voluntarily be sucked out, carries out hydraulic reclamation.It has good navigation performance, can be with
From boat, self-contained, self-unloading, and it is in operational configuration at work, does not need positioning device.It is suitable for without shielding, it is long and narrow
The excavation of coastal approach channel and maintenance, efficiency highest when excavating mud.
Trailing suction hopper dredger usually configures drag head, and during ship's navigation, at the bottom, the drag head that tows will be on course line
Mud, which sucks and passes through pipeline, enters spoil hopper storage, and mud barge is periodically inhaled in rake to be stopped on ship, and spoil hopper is stored
Mud dress refute and convey disembarkation carry out dredge fill.Since water-bed situation is typically more complicated, such as there are block stone sundries,
Block stone can enter in drag head and pipeline during drag head rake is inhaled, can be generated when serious block up, plugging and situations such as stifled pump, influence
Rake inhales the process of construction.After drag head blocks, the passability of mud is difficult to ensure, the timeliness of equipment is caused to reduce, engineering
Claim for eot.Therefore, it is necessary to the structures to drag head to optimize, to solve the problems, such as that above-mentioned mud passability is insufficient.
Summary of the invention
The present invention is to solve technical problem present in well-known technique and provide a kind of structure design simple and compact, user
Just the trailing suction hopper dredger drag head of guarantee mud passability.
The technical scheme adopted by the present invention to solve the technical problems existing in the known art is that guaranteeing mud passability
Trailing suction hopper dredger drag head include outer housing and be nested in the intracorporal inner housing of shell, two using quartile in two sides of the two turn
Axis articulated connection；It is equipped with water guide box in the bottom of outer housing, water inlet pipe is installed at the top of outer housing, the lower end of water inlet pipe is prolonged
It extends into outer housing and end and the perforation of water guide box connects, be equipped with multiple hole for water sprayings in the bottom of water guide box；In outer housing
Rear is equipped with cone, is equipped with the connecting tube with ring flange at the rear of cone；It is welded in the left and right sides of inner housing front
It is fixed with side plate, crossbeam is equipped between two side plates, is set on crossbeam there are two inner seat, before the bottom of crossbeam is equipped with
Portion's frame, further includes cover board, is set on the cover board there are two outer base；It further include two booms for having connecting hole, wherein one
A boom and the inner seat and outer base in left side are articulated and connected, the inner seat and outer base of another boom and right side
Articulated connection；It is equipped with multiple mounting bases with threaded hole along its length in the bottom of crossbeam, by tight in each mounting base
Gu screw is equipped with rake teeth.
Lead to the advantages and positive effects of the present invention are: designing simple and compact guarantee mud the present invention provides a kind of structure
The trailing suction hopper dredger drag head for the property crossed, compared with existing drag head, by the way that water guide is arranged in the bottom of outer housing in the technical program
The water inlet pipe of box and installation settings and the perforation of water guide box, enabling drag head, high-pressure water enters via water supply pipe during the work time
It is sprayed in water guide box and via hole for water spraying, strength is carried out to the ground below drag head and is washed away, side drag suction is washed away in such side agitation
Mode improves the efficiency that rake is inhaled significantly.Since high-pressure water dilutes the mud near drag head, therefore the passability of mud obtains
Guarantee is arrived, the clod of bulk can be also crushed.By the front of drag head be arranged forward frame and be arranged by pull rod, hang
Arm controls the cover board to vert, enables the front of drag head that can be covered or be fully opened completely by cover board, when cover board fully opens,
Water near drag head is able to enter in drag head, to inside drag head mud generate one towards cone direction percussion or
Say it is disturbance, can be further ensured that the passability of mud.
Preferably: being equipped with interior stationary grizzly in the position that outer housing connects with both cone inner cavities.
Preferably: each mounting base is weldingly fixed on crossbeam.
Preferably: being respectively mounted along its length in the bottom of side plate and the bottom of the side plate positioned at right side for being located at left side
There are multiple wear-resistant blocks, is all made of bolt between each wear-resistant block and side plate and is fixedly connected.
Preferably: being respectively connected with pull rod in the connecting hole of two booms.
Preferably: 15 °≤a≤30 ° of angle between the injection direction and vertical direction of hole for water spraying.
Detailed description of the invention
Fig. 1 is side structure schematic view of the invention；
Fig. 2 is structural schematic diagram of the invention, lower part visual angle；
Fig. 3 is structural schematic diagram of the invention, lower part visual angle.
In figure: 1, connecting tube；2, cone；3, water inlet pipe；4, outer housing；5, shaft；6, inner housing；7, side plate；8, inside
Pedestal；9, pull rod；10, boom；11, outer base；12, cover board；13, wear-resistant block；14, fastening screw；15, mounting base；16, it leads
Water box；16-1, hole for water spraying；17, forward frame；18, interior stationary grizzly.
Specific embodiment
In order to further understand the content, features and effects of the present invention, hereby lifting following embodiment, detailed description are as follows:
Referring to Figure 1 to Fig. 3, the trailing suction hopper dredger drag head of guarantee mud passability of the invention includes outer housing 4 and embedding
The inner housing 5 in outer housing 4 is covered, two shafts 5 of the two using quartile in two sides are articulated and connected.Due to inner housing 6 and outside
Shell 4 is between the two articulated connection, therefore inner housing 6 can be dug upwards and.
It is equipped with water guide box 16 in the bottom of outer housing 4, water inlet pipe 3 is installed at the top of outer housing 4, under water inlet pipe 3
End extends into outer housing 4 and end and the perforation of water guide box 16 connect, and is equipped with multiple hole for water spraying 16- in the bottom of water guide box 16
1.During rake inhales construction, high-pressure water is pressed into water guide box 16 by the extraneous water supply pipe connecting with water inlet pipe 3, high pressure
Water source is sprayed via each hole for water spraying 16-1 outward again, is just produced the souring of strength to the ground below drag head, is facilitated
It is promoted and efficiency is inhaled to the rake of mud.Under the souring of high-pressure water, the mud near drag head is diluted, then mud passes through
Property improves, and is not susceptible to block up, plugging and stifled pump accident.
In the present embodiment, 15 °≤a≤30 ° of angle between the injection direction and vertical direction of hole for water spraying 16-1, preferably
20°。
It is equipped with cone 2 at the rear of outer housing 4, is equipped with the connecting tube 1 with ring flange at the rear of cone 2.Rake, which is inhaled, to be applied
During work, connecting tube 1 is connected by its ring flange and spoil disposal pipeline, rake inhale obtained mud enter after drag head along
Cone 2, connecting tube 1 and spoil disposal pipeline are delivered to the spoil hopper of trailing suction hopper dredger.
It is welded with side plate 7 in the left and right sides of 6 front of inner housing, crossbeam is equipped between two side plates 7, in cross
There are two inner seats 8 by Liang Shangshe, are equipped with forward frame 17 in the bottom of crossbeam.Further include cover board 12, is equipped on cover board 12
Two outer bases 11.Further include two booms 10 for having connecting hole, the inner seat 8 in one of boom 10 and left side and
Outer base 11 is articulated and connected, and the inner seat 8 and outer base 11 on another boom 10 and right side are articulated and connected.
In the present embodiment, two inner seats 8 are fixed with beam welding, and two outer bases 11 are welded with cover board 12
It is fixed.In the present embodiment, it is respectively connected with pull rod 9 in the connecting hole of two booms 10, two booms 10 are driven by pull rod 9
It synchronizes and verts.
Starting and the termination phase of construction are inhaled in rake, the facility that rake is inhaled on ship lifts by crane entire drag head by pull rod 9
And decentralization；The intermediate stage of construction is inhaled in rake, pulling or elapse boom 10 by pull rod 9 can enable the cover board 12 in front vert,
It is fastened after verting downwards with forward frame 17, drag head front is blocked, be detached from after verting upwards with forward frame 17, then before drag head
It opens in portion.A large amount of mud mixture is had when drag head front is opened to enter in drag head, it can be to drag head inside and spoil disposal
Pipeline generates certain impact and flushing action, is beneficial to prevent pipeline jam accident in this way, further promotes the passability of mud.Separately
On the one hand, blocked up inside drag head, such as when fishing net sundries enters drag head, on land or ship by drag head before
(inside that inner housing 6 is retracted in outer housing 4 at this time) is entirely mentioned in portion, is beneficial to clean inside.
It is equipped with multiple mounting bases 15 with threaded hole along its length in the bottom of crossbeam, passes through in each mounting base 15
Fastening screw 14 is equipped with rake teeth, and rake teeth, which is used to inhale in construction in rake, carries out rake plough to the bottom, and mud is stirred, rake is promoted
The rake for inhaling ship inhales dredging efficiency.In the present embodiment, each mounting base 15 is weldingly fixed on crossbeam.
Interior stationary grizzly 18 is equipped in the position that outer housing 4 connects with both cone 2 inner cavities.Interior stationary grizzly 18 is as rake
The second barrier of head and exist, retained at interior stationary grizzly 18 into the sundries such as fishing net, block stone etc. in rake suction inlet.
From figure 2 it can be seen that interior stationary grizzly 18 is located at the front of water inlet pipe 3, water inlet pipe 3 is through in the middle part of cone 2, mud
It starches by mobile from the space of 3 two sides of water inlet pipe to the rear of cone 2 after interior stationary grizzly 18, and finally via 1 row of connecting tube
Out to mud line.
In the present embodiment, the bottom of the bottom in the side plate 7 positioned at left side and the side plate 7 positioned at right side is along its length
Multiple wear-resistant blocks 13 are mounted on, bolt is all made of between each wear-resistant block 13 and side plate 7 and is fixedly connected.The effect of each wear-resistant block 13
It is to prevent the bottom of drag head from abrasion occurs to early.Each wear-resistant block 13 can be made of antifriction alloy, can also be in common steel ingot
Surface be arranged wearing layer.
Claims (6)
1. a kind of trailing suction hopper dredger drag head for guaranteeing mud passability, it is characterized in that: including outer housing (4) and being nested in outer housing
(4) inner housing (6) in, two shafts (5) of the two using quartile in two sides are articulated and connected；It is set in the bottom of outer housing (4)
There are water guide box (16), be equipped at the top of outer housing (4) water inlet pipe (3), the lower end of water inlet pipe (3) extends into outer housing
(4) in and end and water guide box (16) perforation connect, and are equipped with multiple hole for water sprayings (16-1) in the bottom of water guide box (16)；In shell
The rear of body (4) is equipped with cone (2), is equipped with the connecting tube (1) with ring flange at the rear of cone (2)；
Side plate (7) are welded in the left and right sides of inner housing (6) front, crossbeam is equipped between two side plates (7),
It is set on crossbeam there are two inner seat (8), is equipped with forward frame (17) in the bottom of crossbeam, further includes cover board (12), in cover board
(12) there are two being set on outer base (11)；Further include two have connecting hole booms (10), one of boom (10) with
The inner seat (8) and outer base (11) in left side are articulated and connected, the inner seat (8) on another boom (10) and right side and outside
Side group seat (11) articulated connection；
It is equipped with multiple mounting bases (15) with threaded hole along its length in the bottom of crossbeam, passes through on each mounting base (15)
Fastening screw (14) is equipped with rake teeth.
2. as described in claim 1 guarantee mud passability trailing suction hopper dredger drag head, it is characterized in that: outer housing (4) with
The position that both cones (2) inner cavity connects is equipped with interior stationary grizzly (18).
3. guaranteeing the trailing suction hopper dredger drag head of mud passability as described in claim 1, it is characterized in that: each mounting base (15) is welded
It connects and is fixed on crossbeam.
4. guaranteeing the trailing suction hopper dredger drag head of mud passability as described in claim 1, it is characterized in that: in the side for being located at left side
It the bottom of plate (7) and is mounted on along its length multiple wear-resistant blocks (13) positioned at the bottom of the side plate (7) on right side, it is each wear-resisting
Bolt is all made of between block (13) and side plate (7) to be fixedly connected.
5. guaranteeing the trailing suction hopper dredger drag head of mud passability as described in claim 1, it is characterized in that: in two booms (10)
Connecting hole in be respectively connected with pull rod (9).
6. guarantee the trailing suction hopper dredger drag head of mud passability as described in claim 1, it is characterized in that: hole for water spraying (16-1)
15 °≤a≤30 ° of angle between injection direction and vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910292484.4A CN109914506A (en) | 2019-04-12 | 2019-04-12 | Guarantee the trailing suction hopper dredger drag head of mud passability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910292484.4A CN109914506A (en) | 2019-04-12 | 2019-04-12 | Guarantee the trailing suction hopper dredger drag head of mud passability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109914506A true CN109914506A (en) | 2019-06-21 |
Family
ID=66969694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910292484.4A Pending CN109914506A (en) | 2019-04-12 | 2019-04-12 | Guarantee the trailing suction hopper dredger drag head of mud passability |
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| CN (1) | CN109914506A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2005200784A1 (en) * | 2004-02-19 | 2005-09-08 | Dredeco Pty Ltd. | Drag-head and hopper dredger |
| TW200617245A (en) * | 2004-09-10 | 2006-06-01 | Dreding Internat | Draghead for a trailing suction hopper and process for dredging by means of this draghead |
| TW200930864A (en) * | 2007-11-29 | 2009-07-16 | Dredging Int | Drag head of a trailing suction hopper dredger and method for dredging using this drag head |
| CN105507355A (en) * | 2016-01-08 | 2016-04-20 | 浙江水利水电学院 | Self-propulsion trailing suction hopper dredger |
| CN108824532A (en) * | 2018-07-05 | 2018-11-16 | 长江南京航道工程局 | A kind of free floating suction dredge(r) drag head at automatic adjustment rotation angle |
| CN209891265U (en) * | 2019-04-12 | 2020-01-03 | 中交天航滨海环保浚航工程有限公司 | Drag suction dredger drag head capable of ensuring mud passing performance |
-
2019
- 2019-04-12 CN CN201910292484.4A patent/CN109914506A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2005200784A1 (en) * | 2004-02-19 | 2005-09-08 | Dredeco Pty Ltd. | Drag-head and hopper dredger |
| TW200617245A (en) * | 2004-09-10 | 2006-06-01 | Dreding Internat | Draghead for a trailing suction hopper and process for dredging by means of this draghead |
| TW200930864A (en) * | 2007-11-29 | 2009-07-16 | Dredging Int | Drag head of a trailing suction hopper dredger and method for dredging using this drag head |
| CN105507355A (en) * | 2016-01-08 | 2016-04-20 | 浙江水利水电学院 | Self-propulsion trailing suction hopper dredger |
| CN108824532A (en) * | 2018-07-05 | 2018-11-16 | 长江南京航道工程局 | A kind of free floating suction dredge(r) drag head at automatic adjustment rotation angle |
| CN209891265U (en) * | 2019-04-12 | 2020-01-03 | 中交天航滨海环保浚航工程有限公司 | Drag suction dredger drag head capable of ensuring mud passing performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Room 346, Chentang technology incubator, 17 Yujiang Road, Hexi District, Tianjin, 300221 Applicant after: CCCC (Tianjin) Dredging Engineering Co.,Ltd. Address before: Tianhang building, No.1, Zhongxin Road, Tanggu District, Binhai New Area, Tianjin 300450 Applicant before: CCCC-TDC BINHAI ENVIRONMENTAL CHANNEL DREDGING Co.,Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190621 |