CN103452152B - Diving step-type trencher - Google Patents
Diving step-type trencher Download PDFInfo
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- CN103452152B CN103452152B CN201210176876.2A CN201210176876A CN103452152B CN 103452152 B CN103452152 B CN 103452152B CN 201210176876 A CN201210176876 A CN 201210176876A CN 103452152 B CN103452152 B CN 103452152B
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Abstract
A diving step-type trencher comprises injection pumps, suction pumps, and a step-type injection and suction rack. The diving step-type trencher is characterized in that a main frame is divided into two layers, each layer is composed of five rows of transverse beams and four lines of side beams; the injection pumps are located between the two layers of the main frame, each injection pump sucks water backwards, and the front water outlet is divided into two and connected to two vertical steel tubes of the step-type injection and suction rack on the lower portion respectively through flanges; the suction pumps are arranged on two sides of each injection pump, the lower portion suction ports are connected to the step-type injection and suction rack through flanges, a discharging port is arranged on the outer side of each suction pump and is connected to a sand discharging tube parallel to the beams of the main frame; the step-type injection and suction rack is integrated, is fixed to the main frame through braces, can be divided into three parts and is composed of four steel tubes; the lower portions of the sides of the front two steel tubes are provided with high-pressure injecting holes, each part of the steel tubes are provided with transverse supports and longitudinal supports, and the high-pressure injecting hole part is only provided with the longitudinal supports without the transverse supports.
Description
Technical field
The present invention relates to the ditching operation equipment of a kind of oil transportation of various caliber under water, gas transmission, water supply and sewerage pipeline, particularly relate to a kind of equipment being applicable to submersible step formula ditching operation.
Background technology
At present, the trenching machine that adopts of ditching operation field under water, is designed to single construction more and digs shallow ridges within the degree of depth 2 meters.Although the adjustment combination width type ditching that ZL201020104070.9 invention disclosed trenching machine adopts can dig shallow ridges by wide type, narrow is dug zanjon and reached and dig 2 meters with the object of headwater depth, but need ditching operation at twice, single is worked continuously and digs more than 2 meters zanjons and cannot realize.
Summary of the invention
The object of the invention is the above-mentioned defect for existing in prior art, adopt stepped design to trenching machine, realize trenching machine multiple ladder section single and work continuously, the continuous ditching degree of depth of single reaches more than 4.5 meters.
The technical solution adopted for the present invention to solve the technical problems is that staged trenching machine comprises three water jet pumps be positioned in the middle part of main frame, be positioned at each suction pump in each water jet pump both sides, suction rack is sprayed with the staged being positioned at main frame bottom, it is characterized in that main frame divides two-layer, every layer by laterally five row's crossbeams and longitudinal four row curb girders form, two-layer framework connects upper lower node by vertical bar, and the vertical bar connecting outermost two row curb girder is connected respectively on two piston shoes to downward-extension; Three water jet pumps are positioned at the upper and lower two-layer centre of main frame, be evenly distributed between middle two row curb girders, be fixed on lower floor's framework, each water jet pump absorbs water from rear portion, and anterior delivery port is divided into two stocks downwards and is not connected to flange two vertical steel pipes that lower step formula sprays suction rack; The each suction pump in each water jet pump both sides is in vertically placing, and bottom pump orifice and staged are sprayed suction rack and used Flange joint, have a floss hole outside each suction pump, are connected to the spoil disposal sand tube being parallel to main frame crossbeam; It is overall structure that staged sprays suction rack, is fixed on main frame with diagonal brace; Described staged sprays suction rack can be divided into three parts: every part is all connected with two pump orifices with two delivery ports of the suction pump of the water jet pump of on it and both sides thereof, be made up of four steel pipes, two, front end steel pipe lower side is provided with high pressure spray perforation, steel pipe length is elongated from front to back successively, in staged, anterior four steel pipe length are 1.5 meters, middle part is 3 meters, rear portion is 4.5 meters, horizontal and vertical support is had between every part steel pipe, high-pressure injection bore portion only has longitudinal bracing, does not have cross binding.
The invention has the beneficial effects as follows, trenching machine adopts stepped design, the approach digging 1.5 meters by each ladder section realizes overall three ladder section singles and to work continuously the object of excavation 4.5 meters, can realize single to work continuously excavation more than 4.5 meters degree of depth by controlling ladder section number or adjustment steel pipe length.Simultaneously trenching machine by guiding, high-pressure injection except silt, take out the functions such as silt and be all integrated on a staged injection suction rack, overall structure is more stable, sturdy and durable.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is submersible step formula trenching machine front view;
Fig. 2 is submersible step formula trenching machine lateral view;
Fig. 3 is submersible step formula trenching machine graphics.
Wherein: 1-main frame; 2-water jet pump; 3-suction pump; 4-piston shoes; 5-staged sprays suction rack; 6-spoil disposal sand tube; The anterior steel pipe of 7a-; Steel pipe in the middle part of 7b-; 7c-rear portion steel pipe; 8-delivery port; 9-pump orifice; 10-high pressure spray perforation; 11-flange; 12-submerged pipeline.
Detailed description of the invention
With reference to the accompanying drawings shown in 1-3, main frame 1 has the function of guard bit portion's equipment in the inner; Water jet pump 2 is by electric drive, lower end is fixed on main frame 1, water carries out internal pressurization after sucking from water jet pump 2 rear portion, form water under high pressure and arrive front end delivery port 8, water under high pressure enters staged injection suction rack 5 herein, sea bed is rushed in bottom spray from below, and the water under high pressure be simultaneously obstructed sprays transverse cuts sea bed from high pressure spray perforation 10; Suction pump 3, also by electric drive, produces suction force during work, and suck the silt floated below from the steel pipe be connected to below pump orifice 9, the spoil disposal sand tube 6 from its side after silt is drawn into pump orifice 9 is discharged; Piston shoes 4 can slide in mud face under water, reduce frictional resistance, and prevent trenching machine to be trapped in mud; It is as a whole that staged sprays suction rack 5, can be divided into three parts, front portion, middle part, rear portion, all long than the front portion 1.5m of every partial-length, it is H type that staged sprays suction rack 5 cross section, can ride on submerged pipeline 12 and carry out ditching, and after digging, submerged pipeline 12 directly enters in ditch; Spoil disposal sand tube 6 is distributed in suction pump 3 both sides, can by outside the silt discharge gutter extracted out, stops in the silt back-filling trench that produced by high-pressure water jet; Have horizontal and vertical support to fix between steel pipe, jointly constitute staged and spray suction rack 5, top is fixed on main frame 1, adds the intensity that staged sprays suction rack 5; Delivery port 8 and pump orifice 9 are all connected to staged by flange 11 and spray on suction rack 5, and suction pump 3 and spoil disposal sand tube 6 are also use flange 11 to be connected; High pressure spray perforation 10 is positioned at delivery port 8 times square steel pipe lower ends, can carry out high-pressure flush cutting sea bed, dig out U-shaped zanjon.
In work progress, trenching machine can be divided into three sections of ditching constructions, anterior water jet pump 2 sprays high-pressure water cutting sea bed from high pressure spray perforation 10, two anterior suction pumps 3 suck silt and discharge from spoil disposal sand tube 6 bottom anterior steel pipe 7a, after leading portion digs out 1.5m shallow ridges, ditching operation is continued in trenching machine stage casing on this 1.5m shallow ridges basis, the water jet pump 2 at middle part sprays high-pressure water cutting sea bed from high pressure spray perforation 10, two suction pumps 3 at middle part suck silt and discharge from spoil disposal sand tube 6 bottom the steel pipe 7b of middle part, now can dig out 3m zanjon, same back segment trenching machine continues ditching on 3m basis, the water jet pump 2 at rear portion sprays high-pressure water cutting sea bed from high pressure spray perforation 10, two suction pumps 3 at rear portion suck silt and discharge from spoil disposal sand tube 6 bottom the steel pipe 7c of rear portion, finally dig to 4.5m, submerged pipeline 12 sprays suction rack 5 inside from staged and enters zanjon, so one-time continuous can complete construction.
Claims (2)
1. submersible step formula trenching machine, it comprises three water jet pumps be positioned in the middle part of main frame, be positioned at each suction pump in each water jet pump both sides, suction rack is sprayed with the staged being positioned at main frame bottom, it is characterized in that main frame divides two-layer, every layer is made up of horizontal five row's crossbeams and longitudinal four row curb girders, and two-layer framework connects above lower node by vertical bar, and the vertical bar connecting outermost two row curb girder is connected respectively on two piston shoes to downward-extension; Three water jet pumps are positioned at the upper and lower two-layer centre of main frame, be evenly distributed between middle two row curb girders, be fixed on lower floor's framework, each water jet pump absorbs water from rear portion, and anterior delivery port is divided into two stocks downwards and is not connected to flange two vertical steel pipes that lower step formula sprays suction rack; The each suction pump in each water jet pump both sides is in vertically placing, and bottom pump orifice and staged are sprayed suction rack and used Flange joint, have a floss hole outside each suction pump, are connected to the spoil disposal sand tube being parallel to main frame crossbeam; It is overall structure that staged sprays suction rack, is fixed on main frame with diagonal brace; Described staged is sprayed suction rack and is divided into three parts, every part is all connected with two pump orifices with two delivery ports of the suction pump of the water jet pump of on it and both sides thereof, be made up of four steel pipes, two, front end steel pipe lower side is provided with high pressure spray perforation, steel pipe length is elongated from front to back successively, in staged, anterior four steel pipe length are 1.5 meters, middle part is 3 meters, rear portion is 4.5 meters, have horizontal and vertical support between every part steel pipe, high-pressure injection bore portion only has longitudinal bracing, does not have cross binding.
2. submersible step formula trenching machine according to claim 1, is characterized in that can realizing single to work continuously excavation more than 4.5 meters degree of depth by controlling trenching machine ladder section number or adjustment steel pipe length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210176876.2A CN103452152B (en) | 2012-06-01 | 2012-06-01 | Diving step-type trencher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210176876.2A CN103452152B (en) | 2012-06-01 | 2012-06-01 | Diving step-type trencher |
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| Publication Number | Publication Date |
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| CN103452152A CN103452152A (en) | 2013-12-18 |
| CN103452152B true CN103452152B (en) | 2015-06-10 |
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| CN201210176876.2A Active CN103452152B (en) | 2012-06-01 | 2012-06-01 | Diving step-type trencher |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314127B (en) * | 2014-04-23 | 2016-06-15 | 中国石油大学(华东) | A kind of 500 meters of depth of water hard soil undersea pipe-layings machinery and water-jet combined type rotation plough |
| CN111733912B (en) * | 2020-07-07 | 2022-05-06 | 天津市精研工程机械传动有限公司 | Underwater trencher with multiple stranding cage ladder structures |
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| US3922802A (en) * | 1974-11-25 | 1975-12-02 | Robert G James | Earth surfacing apparatus |
| NL1016510C2 (en) * | 2000-10-31 | 2002-05-02 | Ballast Nedam Baggeren Bv | Underwater pipeline laying device comprises frame with one section in contact with pipeline and another section with nozzles for excavating soil beneath pipeline |
| CN201268856Y (en) * | 2008-09-08 | 2009-07-08 | 刘明 | Submersible ditch excavator |
| CN201598666U (en) * | 2010-01-29 | 2010-10-06 | 天津俊昊海洋工程有限公司 | Contact-type submersible jetting gaslift ditcher |
| CN201874025U (en) * | 2010-11-29 | 2011-06-22 | 天津市海王星海上工程技术有限公司 | Jetting type embedded plough for paving composite hoses in shallow sea |
| CN102212997A (en) * | 2010-04-09 | 2011-10-12 | 中国海洋石油总公司 | Pipeline trencher with underwater sonar detection devices |
| CN102418358A (en) * | 2011-09-15 | 2012-04-18 | 王宇 | Power positioning jet-flow spraying type ditcher |
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2012
- 2012-06-01 CN CN201210176876.2A patent/CN103452152B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3922802A (en) * | 1974-11-25 | 1975-12-02 | Robert G James | Earth surfacing apparatus |
| NL1016510C2 (en) * | 2000-10-31 | 2002-05-02 | Ballast Nedam Baggeren Bv | Underwater pipeline laying device comprises frame with one section in contact with pipeline and another section with nozzles for excavating soil beneath pipeline |
| CN201268856Y (en) * | 2008-09-08 | 2009-07-08 | 刘明 | Submersible ditch excavator |
| CN201598666U (en) * | 2010-01-29 | 2010-10-06 | 天津俊昊海洋工程有限公司 | Contact-type submersible jetting gaslift ditcher |
| CN102212997A (en) * | 2010-04-09 | 2011-10-12 | 中国海洋石油总公司 | Pipeline trencher with underwater sonar detection devices |
| CN201874025U (en) * | 2010-11-29 | 2011-06-22 | 天津市海王星海上工程技术有限公司 | Jetting type embedded plough for paving composite hoses in shallow sea |
| CN102418358A (en) * | 2011-09-15 | 2012-04-18 | 王宇 | Power positioning jet-flow spraying type ditcher |
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| CN103452152A (en) | 2013-12-18 |
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Owner name: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT CO., LTD. Free format text: FORMER NAME: HAIWANGXING OCEAN ENGINEERING TECHNOLOGY CO., LTD, TIANJIN CITY |
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Address after: 300384 Tianjin City, Nankai District Huayuan Industrial Park Road No. 1 Industrial Park E block six layer Patentee after: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT CO., LTD. Address before: 300384 Tianjin City, Nankai District Huayuan Industrial Park Road No. 1 Industrial Park E block six layer Patentee before: Haiwangxing Ocean Engineering Technology Co., Ltd, Tianjin City |