CN201972176U - Shallow sweeping chain for dredging engineering - Google Patents
Shallow sweeping chain for dredging engineering Download PDFInfo
- Publication number
- CN201972176U CN201972176U CN2011200494662U CN201120049466U CN201972176U CN 201972176 U CN201972176 U CN 201972176U CN 2011200494662 U CN2011200494662 U CN 2011200494662U CN 201120049466 U CN201120049466 U CN 201120049466U CN 201972176 U CN201972176 U CN 201972176U
- Authority
- CN
- China
- Prior art keywords
- chain
- shallow
- sweeping
- electric welding
- dredging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to a shallow sweeping chain for a dredging engineering, belonging to the technical field of the dredging engineering. The shallow sweeping chain is characterized by consisting of a main shallow sweeping chain, electric welding chains and safety chains, wherein the main shallow sweeping chain is positioned at the middle part; and the electric welding chains or the safety chains are connected at the two ends. In the shallow sweeping chain, the self weight and the forward kinetic energy of an anchor chain are utilized to carry out top removing and grinding, even eliminating, on shallow ridges and shallow points with a steeper slope, and the shallow sweeping chain is also beneficial to sweeping individual leaked points by a seat rake at a later stage, and has the advantages that the structure is simple, the operation is convenient, the simpleness and easiness are achieved, the coverage area of the anchor chain on a mud surface is large, the shallow sweeping efficiency is high, the operation cost is few, the phenomena of rake splitting and rake slipping when the shallow ridges are dug are eliminated, and the safety of ship equipment is ensured and the like.
Description
Technical field
The utility model belongs to the dredging works technical field, particularly relates to a kind of dredging works with sweeping shallow chain.
Background technology
At present, trailing suction hopper dredger is that a kind of indulging dug the formula dredge boat, and straight line is dredged the different influence of wind-engaging when digging, stream, driver and substrate, protects linear relatively poor.Particularly navigate and dredge in the groove when digging sticking hard closely knit soil property, easily form or shallow point since these shallow ridge, shallow point tiny, disperse, boats and ships control difficulty is bigger, the later stage is gone up the some difficulty when sweeping shallow these zones, has influenced the digging efficiency of boats and ships; And because the gradient of the shallow ridge of part, shallow point is bigger, the rake phenomenon takes place to slip after rake gets on easily, cause rake pipe level angle excessive, the safety of serious threat ship machine equipment.
Summary of the invention
The utility model provides a kind of dredging works with sweeping shallow chain for solving the problem that prior art exists.
The utility model purpose provides a kind of i.e. quick safety again that makes that the dredging works later stage sweeps that shallow work becomes that has, and has not only improved the dredge boat dredging efficiency, has also reduced the dredging cost, has guaranteed the shallow device of sweeping of characteristics such as ship machine equipment safety.
The utility model will be in the past utilize line that mud rake carries out the engineering later stage to point sweep shallow become utilize that mud rake and chain carry out sweep shallowly in the face of point, reduced the excavation difficulty, improved efficient.
The utility model dredging works adopts following technical scheme with sweeping shallow chain:
A kind of dredging works is with sweeping shallow chain, and its characteristics are levied and are: is formed the main chain of sweeping and be positioned at the middle part by the main shallow chain, electric welding chain, safety chain three parts swept, two ends are connected with the electric welding chain or insure chain.
The utility model dredging works can also adopt following technical measures with sweeping shallow chain:
Described dredging works is characterized in sweeping shallow chain: the main shallow chain two ends of sweeping have rotating ring to connect the insurance chain.
Described dredging works is characterized in sweeping shallow chain: the insurance chain connects on two drag heads that are contained in the dredging dredge boat, and the master is the long 15-40 rice of diameter 30-60mm stud link chain in the middle of sweeping shallow chain.
Described dredging works is characterized in sweeping shallow chain: the long 4-10 rice of electric welding diameter chain 20-50mm.
Described dredging works is characterized in sweeping shallow chain: a change is respectively carried additionally at electric welding chain two ends, and two changes are connected with the insurance chain of the long 4-10 rice of diameter 20-40mm.
Advantage that the utlity model has and good effect:
Dredging works is with sweeping shallow chain, owing to adopted the utility model brand-new technology scheme, compared with prior art, two rakes are set up and are swept shallow chain and sweep shallowly on trailing suction hopper dredger, compare with additive method, simple, this technical study is point-to-pointly swept the shallow line that changes into and point is swept shallow original, and anchor chain is bigger in mud face area coverage, makes the driver more simple in operation, sweep shallow efficient height, early lacked operation cost; Eliminated when excavating shallow stalk and split rake, phenomenon is harrowed in slide, has guaranteed the safety of ship machine equipment.And install additional and can not impact after sweeping shallow chain other performances of boats and ships.
Description of drawings
Fig. 1 is the utility model dredge pump performance analysis structural representation;
Fig. 2 is the utility model schematic diagram under the subsea construction state;
Fig. 3 be the utility model not under the user mode pocket be placed on the hull bottom schematic diagram;
Fig. 4 is the stud link chain structure ring schematic diagram that the utility model master sweeps shallow chain;
Fig. 5 is the open link structural representation of the utility model electric welding chain;
Fig. 6 is the rotating ring structural representation that connects safety chain and electric welding chain.
Among the figure, 1, the insurance chain; 2, rotating ring; 3, electric welding chain; 4, the master sweeps shallow chain; 5, drag head.
The specific embodiment
For further understanding technology contents of the present utility model, characteristics and effect, enumerate following example now, and be described with reference to the accompanying drawings as follows:
With reference to accompanying drawing 1 to and Fig. 6.
A kind of dredging works is with sweeping shallow chain, and its characteristics are levied and are: is formed the main chain of sweeping and be positioned at the middle part by the main shallow chain, electric welding chain, safety chain three parts swept, two ends are connected with the electric welding chain or insure chain.Be installed on two drag heads of trailing suction hopper dredger, put into water with drag head during use, dredging mud face makes the chain pocket alow when not using, do not influence ship's navigation.
Sweeping shallow chain middle is the main shallow stud link chain of sweeping.The master sweeps shallow chain two ends and respectively connects the electric welding chain.A change is respectively carried additionally at electric welding chain two ends, and each connects the insurance chain two changes.Insurance chain two ends are connected with left and right sides drag head.The insurance chain safety chain bar that two ends connect drag head will possess overburden disconnection defencive function (will determine rupture strength in conjunction with the mud rake system and the Hull Strength of different boats and ships).The master sweeps shallow chain and the electric welding chain can rotate by 360 degree, can not tie a knot.After installing this additional and sweeping shallow chain, do not influence the excavation effect of mud rake, can dredge simultaneously and dig.
The concrete structure of present embodiment and implementation process:
Originally sweep 52 meters of shallow chain length overalls, the bottom central links is swept shallow chain 4 for the shelves master that has of long 28 meters of diameter 45mm, the electric welding chain 3(that main chain bar two ends respectively connect long 6 meters of diameter 36mm does not have shelves), a change 2 is respectively carried additionally at electric welding chain two ends, the insurance chain 1(rupture strength that two changes respectively connect long 6 meters of diameter 30mm is about 20T), insurance chain two ends are connected with left and right sides drag head 5.
During enforcement, at first to take into account Hull Strength and seabed soil property hardness, select suitable anchor chain for use, be assembled into and sweep shallow chain in conjunction with mud rake system self structure characteristics and intensity.Connect one in nose in inboard each weldering of left and right sides drag head then, connect keel haul line in both sides, deck, left and right sides drag head bottom, compile to insert and to draw chain and cross one of end cable wire (diameter 15mm*60 rice), to draw the chain cable wire and cross hull bottom from starboard and cause larboard and fix with crossing end messenger, drawing the chain cable wire is connected with chain one end that assembles on the deck astarboard, left side crane receipts strand is drawn chain cable wire drive chain and is spent the end, right crane is sling and is swept shallow chain to starboard, pine chain entry cooperates left crane to finish to sweep shallow chain spends the end and fixing, it is fixing with the shackle assembling with the inboard nose of left and right sides drag head respectively to sweep shallow chain two ends, finishes being connected of chain and drag head.
Finish connection back manipulation boats and ships and sail the works area slowly into, under the prerequisite of definite clear under water, put the entry of two rake, observation DGPS display interface is correctly handled boats and ships and is connected up according to plan, speed of advance, two rakes are put to desired depth, made the anchor chain shop fixtures, control the speed of a ship or plane moderately and at the right moment, drive with caution, back and forth dredge and sweep.Utilize two mud rake entry to make anchor chain drag the end, the driver control boats and ships make shallow ridge, shallow o'clock two harrow between, thereby make anchor chain inswept.The kinetic energy that utilizes the own wt of anchor chain and advance goes to the steeper shallow ridge of the gradient, shallow some the top to polish even eliminate, and also helps later stage seat rake indivedual leak sources are put down.Present embodiment has described good effect.
Claims (5)
1. a dredging works is characterized in that with sweeping shallow chain: is formed the main chain of sweeping and be positioned at the middle part by the main shallow chain, electric welding chain, safety chain three parts swept, two ends are connected with the electric welding chain or insure chain.
According to the described dredging works of claim 1 with sweeping shallow chain, it is characterized in that: the main shallow chain two ends of sweeping have rotating ring to connect the insurance chain.
According to claim 1 or 2 described dredging workss with sweeping shallow chain, it is characterized in that: the insurance chain connects on two drag heads that are contained in the dredging dredge boat, mainly is the long 15-40 rice of diameter 30-60mm stud link chain in the middle of sweeping shallow chain.
According to claim 1 or 2 described dredging workss with sweeping shallow chain, it is characterized in that: the long 4-10 rice of electric welding diameter chain 20-50mm.
According to claim 1 or 2 described dredging workss with sweeping shallow chain, it is characterized in that: a change is respectively carried additionally at electric welding chain two ends, two changes are connected with the insurance chain of the long 4-10 rice of diameter 20-40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200494662U CN201972176U (en) | 2011-02-28 | 2011-02-28 | Shallow sweeping chain for dredging engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200494662U CN201972176U (en) | 2011-02-28 | 2011-02-28 | Shallow sweeping chain for dredging engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201972176U true CN201972176U (en) | 2011-09-14 |
Family
ID=44577283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200494662U Expired - Fee Related CN201972176U (en) | 2011-02-28 | 2011-02-28 | Shallow sweeping chain for dredging engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201972176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106585878A (en) * | 2016-12-02 | 2017-04-26 | 中交天津航道局有限公司 | Method for stabilizing transverse moving and swinging system of cutter suction dredger in hard soil construction |
-
2011
- 2011-02-28 CN CN2011200494662U patent/CN201972176U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106585878A (en) * | 2016-12-02 | 2017-04-26 | 中交天津航道局有限公司 | Method for stabilizing transverse moving and swinging system of cutter suction dredger in hard soil construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103247977B (en) | Multiphase submarine cable transverse arrangement of turbo circulation laying and construction method | |
| CN201296941Y (en) | Cutter-suction dredger single-steel-pile trolley and three-cable combination positioning system | |
| CN106193161B (en) | A kind of strand suction super low coverage ship dredging construction method in boat landing forward position | |
| CN106193169B (en) | A kind of deep construction method of cutter suction dredger near limit digging | |
| CN109944287B (en) | Dredging operation system under wharf | |
| CN201972176U (en) | Shallow sweeping chain for dredging engineering | |
| CN105951909A (en) | Wharf lower portion dredging device and construction method thereof | |
| CN104452852A (en) | Operating mechanism of bucket-wheel dredger | |
| CN106704705B (en) | overwater pipeline assembling operation method and system | |
| CN206157803U (en) | Formula grab dredger is dug to automatic side of bridge type | |
| CN203558192U (en) | Raking ship | |
| CN205101675U (en) | Long distance submarine pipe line is pipe laying construction system after ditching in advance | |
| CN102561454B (en) | Water intake method utilizing pipe jacking vertically | |
| CN109372047A (en) | A kind of three way ropes position system suitable for cutter suction dredger | |
| CN206328791U (en) | A kind of dress of Large Trailing Suction Hopper Dredger refutes structure | |
| CN205524826U (en) | Variable gravity type box anchor device that carries of equipment | |
| CN209099415U (en) | A kind of three way ropes position system suitable for cutter suction dredger | |
| CN209099429U (en) | A kind of three way ropes position system applied to cutter suction dredger | |
| CN106869078B (en) | A kind of method that cutter suction dredger excavates coral reef | |
| CN201962714U (en) | Drag sweep construction system of automatic navigation drag suction dredger | |
| CN209099428U (en) | A kind of three way ropes position system of cutter suction dredger | |
| CN106480920A (en) | Formula grab boat is dug in a kind of automatic side of bridge-type | |
| CN209521828U (en) | A kind of small-sized underwater drilling and blasting ship suitable for inland river | |
| CN204803944U (en) | Crane span structure automation equipment based on swell compensator | |
| CN211167323U (en) | Cable laying ship deck arrangement for laying long-distance sand shores and sea cables |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20200228 |