CN2753803Y - Underwater water-spraying digging tool - Google Patents
Underwater water-spraying digging tool Download PDFInfo
- Publication number
- CN2753803Y CN2753803Y CN 200420012930 CN200420012930U CN2753803Y CN 2753803 Y CN2753803 Y CN 2753803Y CN 200420012930 CN200420012930 CN 200420012930 CN 200420012930 U CN200420012930 U CN 200420012930U CN 2753803 Y CN2753803 Y CN 2753803Y
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- China
- Prior art keywords
- rotary joint
- water
- high pressure
- spray arm
- oil cylinder
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- Expired - Lifetime
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Abstract
The utility model discloses an underwater water-spraying digging tool. A high pressure centrifugal pump driven by a hydraulic motor is arranged on a rotary joint via a bolt and communicated with a high pressure inner tube in the rotary joint. A low pressure centrifugal pump driven by the hydraulic motor is fixedly connected to a frame of a burying machine, provided together with the rotary joint via a pipeline and communicated with a low pressure outer tube in the rotary joint. One end of a pressing oil cylinder is hinged with a pressing device, and the other end is arranged on a supporting beam. The supporting beam as a base is fixedly connected to the rotary joint and arranged above the rotary joint. Two water spraying arms in identical structure are symmetrically arranged on both sides of the rotary joint, wherein one end of one water spraying arm is connected with an oil cylinder of the water spraying arms, and the other end is hinged with the rotary joint and communicated with a high/low-pressure water channel in the rotary joint. A side moving oil cylinder is arranged on the rotary joint, and a piston rod of the side moving oil cylinder is butted with the water spraying arms. The utility model can achieve a stated burying depth and flexibly control digging width and digging depth.
Description
Technical field
The utility model relates to excavating tools, specifically a kind of excavating tools of spraying water under water.
Background technology
Early stage cable passes through the seabed, is directly to be placed on the seabed without burying underground.But, because the activity that marine ship and fishery are fished for increases,, being subjected to causing damage for preventing transoceanic submarine cable from the fifties in last century, people begin development and exploitation cable burial technology.The fast development of global communication industry need be at sea-bottom embedment a large amount of cable and optical cable (extra large cable).Be to adapt to the continuous increase of the operating water depth and the depth of burying, last century the nineties to have occurred be the self-propelled submarine cable burying machine of walking mechanism with the crawler belt.When shear strength was the shale sea-bottom embedment cable of 0-25kPa, for reaching higher operating efficiency, burying machine generally need be equipped with water jet excavating tools.
The sea cable is buried underground by initial extra large cable and is buried plough underground, develops into the multiple functional extra large cable burying machine of finishing the multi-tasks such as extra large cable location, tracking, excavation, detection, cutting, reparations.That sea cable burying machine has is self-propelled, the formula of swimming and swim self-propelled three types, at different geological conditionss, different excavating toolss such as that the self-propelled submarine cable burying machine can be equipped with is water jet, chain type, rock cutting are wheeled are finished and are excavated and extra large cable is buried task underground, yet present water spray excavating tools is to fall into the bottom of trench that spray arm ejects by extra large cable self gravitation, do not use extra large cable to depress device, cause when collapsing appears in ditch side soil the sea cable can not reach the depth of burying of regulation.In addition, two spray arms can only swing up and down and expansion simultaneously and contraction simultaneously, cannot put down independently and shifted laterally, are not easy to control neatly excavation width and excavation depth like this.
The utility model content
In order to overcome above-mentioned deficiency, the purpose of this utility model provides a kind of water spray excavating tools that can reach the depth of burying of regulation and control excavation width and excavation depth neatly, can use on various extra large cable burying machines.
To achieve these goals, the technical solution of the utility model is: by the low pressure centrifugal water pump, the high pressure centrifugal water pump, rotary joint, brace summer, the spray arm oil cylinder, spray arm, high pressure nozzle, low-pressure nozzle, depress device, the high pressure water valve, depress oil cylinder, the sidesway oil cylinder is formed, high pressure centrifugal water pump by fluid motor-driven is installed on the rotary joint by bolt, communicate with pipe in the high pressure in the rotary joint, low pressure centrifugal water pump by fluid motor-driven is connected on the framework of burying machine, be installed together by pipeline and rotary joint, and communicate with low pressure outer tube in the rotary joint, depress oil cylinder one end is with to depress device hinged, the other end is installed in brace summer, brace summer is as pedestal, be connected with rotary joint, in the rotary joint top, spray arm has two, structure is identical, be symmetricly set on the rotary joint both sides, one end of one of them spray arm links to each other with the spray arm oil cylinder, the other end is hinged on the rotary joint, communicate with the high-low pressure water route in the rotary joint, the sidesway oil cylinder is installed on the rotary joint, its piston rod and spray arm butt;
Wherein: described rotary joint is a hollow tubular structures, in establish pipe, low pressure outer tube in the high pressure of suit, and end cap is respectively equipped with high pressure and low-pressure water inlet on pipe, the low pressure outer tube in the high pressure, communicate with low pressure centrifugal water pump, high pressure centrifugal water pump water route; Both side ends is a cylindrical-shaped structure, and end cap is installed, and an end of spray arm is nested with at described cylindrical outer surface, is respectively equipped with the outlet of high pressure and low-pressure water on the described cylindrical-shaped structure, communicates with forearm, postbrachium water route in the spray arm respectively;
Described spray arm is to be made up of forearm, the postbrachium of spray arm oil cylinder and two sidesway hydraulic oil cylinder driving respectively, be furnished with high pressure water valve and high pressure nozzle on the forearm, angle between high pressure nozzle and the spray arm less than 90 the degree, towards the ditch groove center, and with the rotary joint mesohigh in the pipe water route communicate; Postbrachium is provided with low-pressure nozzle, is O shape, and is vertical with low-pressure water tubular axis line, towards the rear, and communicates with rotary joint mesolow outer tube water route.
The utlity model has following advantage:
1. can satisfy and bury the cable job requirements under water.Adopt the utility model, when under the seabed substrate is the condition of mud, silt, burying extra large cable work underground, adopt the water spray excavating tools, can fast and effeciently carry out excacation.The water spray excavating tools adopts the mud in High-Pressure Water cutting damage seabed, the silt that will be in suspended state with the low pressure current sprays and to be transported to the sea bed surface again, thereby be implemented in the function of ditching in the soil, the sea cable also can reach the depth of burying of regulation when collapsing appears in ditch side soil.
2. be convenient to operation.Two spray arms described in the utility model can swing up and down and expansion simultaneously and contraction simultaneously, also can put down independently and shifted laterally, and adjust excavation depth as required, and can be convenient to control neatly and excavate width and excavation depth, can satisfy and bury the cable job requirements under water.
3. applied range.The utility model can use on various extra large cable burying machines, and is safe and reliable.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the left view (do not comprise and depress the device part) of Fig. 1.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
As Fig. 1, shown in 2, the water spray excavating tools is mainly by low pressure centrifugal water pump 1, high pressure centrifugal water pump 2, rotary joint 3, brace summer 4, spray arm oil cylinder 5, spray arm 6, high pressure nozzle 7, low-pressure nozzle 8, depress device 9, high pressure water valve 10, depress oil cylinder 11, sidesway oil cylinder 12 is formed, high pressure centrifugal water pump 2 by fluid motor-driven is installed on the rotary joint 3 by bolt, communicate with pipe in the high pressure in the rotary joint 3, low pressure centrifugal water pump 1 by fluid motor-driven is connected on the framework of burying machine, be installed together by pipeline and rotary joint 3, and communicate with low pressure outer tube in the rotary joint 3, depress oil cylinder 11 1 ends are with to depress device 9 hinged, the other end is installed in brace summer 4, brace summer 4 is as pedestal, be connected with rotary joint 3, in rotary joint 3 tops, spray arm 6 has two, structure is identical, be symmetricly set on rotary joint 3 both sides, one end of one of them spray arm 6 links to each other with spray arm oil cylinder 5, the other end is hinged on (can be along angle of rotary joint 3 rotations under 5 effects of spray arm oil cylinder on the rotary joint 3, in order to the control excavation depth) communicate with the interior high-low pressure water route of rotary joint 3, sidesway oil cylinder 12 is installed on the rotary joint 3, drives spray arm 6 by its piston rod and moves horizontally (can regulate and excavate width).
Wherein: described rotary joint 3 is a hollow tubular structures, in establish pipe, low pressure outer tube in the high pressure of suit, and end cap, be respectively equipped with high pressure and low-pressure water inlet in the high pressure on pipe, the low pressure outer tube, the both side ends that communicates with low pressure centrifugal water pump 1, high pressure centrifugal water pump 2 water routes is a cylindrical-shaped structure, and end cap is installed, and an end of spray arm 6 is nested with at described cylindrical outer surface, be respectively equipped with the outlet of high pressure and low-pressure water on the described cylindrical-shaped structure, communicate with forearm, postbrachium water route in the spray arm 6 respectively;
Described spray arm 6 is to be made up of forearm, the postbrachium of two spray arm oil cylinders 5 and two sidesway oil cylinder 12 drivings respectively, be furnished with high pressure water valve 10 and high pressure nozzle 7 on the forearm, angle between high pressure nozzle 7 and the spray arm 6 is less than 90 degree, towards the ditch groove center, and with rotary joint 3 mesohighs in the pipe water route postbrachium that communicates be provided with low-pressure nozzle 8, be O shape, vertical with low-pressure water tubular axis line, towards the rear, and communicate with rotary joint 3 mesolow outer tube water routes.
The utility model course of work and principle are as follows:
Described spray arm 6 can put down and shifted laterally under the driving of two spray arm oil cylinders 5 and two sidesway oil cylinders 12 independently.Spray arm 6 under the driving of two sidesway oil cylinders 12 open minimum and maximum position referring to Fig. 2.Be weight reduction, forearm and postbrachium constitute by the aluminium-alloy pipe of two measure-alike hard anodizings in the spray arm 6, and one is used to carry water under high pressure, and another is used to carry low-pressure water, and high-pressure water pipe is in low pressure water pipe front.
High pressure centrifugal water pump 2 is by the fluid motor-driven extracting seawater and after producing high pressure, by the high pressure nozzle on the spray arm 67, with the water impact sea bottom surface of high hydraulic pressure, big flow, is used to cut the mud, silt in seabed etc.Low pressure centrifugal water pump 1 behind the seawater of extraction and generation low pressure, big flow, by the low-pressure nozzle on the spray arm 68, is transported to the sea bed surface with silt also by fluid motor-driven.
Have the main body of the rotary joint 3 of pipe, low pressure outer tube in the high pressure, high pressure and the low pressure current that produced by the high and low pressure water pump are provided to spray arm 6 as water spraying tool.High pressure water valve 10 is used for independently cutting out the water under high pressure of the forearm of each spray arm 6.
Brace summer 4 is the installation matrix of water spray excavating tools, rotary joint 3, spray arm 6, depress parts such as device 9 and brace summer 4 be connected one after, again brace summer 4 is installed in the vehicle body frame bottom in bolted mode, be convenient to dismounting.
The effect of depressing device 9 is that extra large cable is pressed into the groove that excavates, and depresses the back that device 9 is arranged on two spray arms 6, drives with a depress oil cylinder 11, can swing up and down.When burying operation underground, when the overtension of extra large cable, will depress device 9 and lift (referring to Fig. 1), avoid causing damage to extra large cable; When the tension force of extra large cable hour, control is depressed device 9 and is moved downward.
The utility model water spray excavating tools overtesting proves practicable.The water spray excavating tools is simple in structure, safe and reliable, seawater corrosion resistance, and applied range is convenient to change the outfit on extra large cable burying machine.
Claims (3)
1. excavating tools of spraying water under water, it is characterized in that: by low pressure centrifugal water pump (1), high pressure centrifugal water pump (2), rotary joint (3), brace summer (4), spray arm oil cylinder (5), spray arm (6), high pressure nozzle (7), low-pressure nozzle (8), depress device (9), high pressure water valve (10), depress oil cylinder (11), sidesway oil cylinder (12) is formed, high pressure centrifugal water pump (2) by fluid motor-driven is installed on the rotary joint (3), communicate with pipe in rotary joint (3) mesohigh, low pressure centrifugal water pump (1) by fluid motor-driven is connected on the framework of burying machine, be installed together by pipeline and rotary joint (3), and communicate with rotary joint (3) mesolow outer tube, depress oil cylinder (11) one ends are with to depress device (9) hinged, the other end is installed on the brace summer (4), brace summer (4) is connected as pedestal and rotary joint (3), in rotary joint (3) top, spray arm (6) has two, structure is identical, be symmetricly set on rotary joint (3) both sides, one end of one of them spray arm (6) links to each other with spray arm oil cylinder (5), the other end is hinged on the rotary joint (3), communicate with the high-low pressure water route in the rotary joint (3), sidesway oil cylinder (12) is installed on the rotary joint (3), its piston rod and spray arm (6) butt.
2. by the described excavating tools of spraying water under water of claim 1, it is characterized in that: described spray arm (6) is formed for the forearm, the postbrachium that are driven by two spray arm oil cylinders (5) and two sidesway oil cylinders (12) respectively, be furnished with high pressure water valve (10) and high pressure nozzle (7) on the forearm, angle between high pressure nozzle (7) and the spray arm (6) is less than 90 degree, towards the ditch groove center, and with rotary joint (3) mesohigh in the pipe water route communicate; Postbrachium is provided with low-pressure nozzle (8), is O shape, and is vertical with low-pressure water tubular axis line, towards the rear, and communicates with rotary joint (3) mesolow outer tube water route.
3. by the described excavating tools of spraying water under water of claim 1, it is characterized in that: wherein said rotary joint (3) is hollow tubular structures, in establish pipe, low pressure outer tube in the high pressure of suit, and end cap, be respectively equipped with high pressure and low-pressure water inlet in the high pressure on pipe, the low pressure outer tube, communicate with the centrifugal water crack of low pressure (1), high pressure centrifugal water pump (2) water route; Both side ends is a cylindrical-shaped structure, and end cap is installed, and an end of spray arm (6) is nested with at described cylindrical outer surface, is respectively equipped with the outlet of high pressure and low-pressure water on the described cylindrical-shaped structure, communicates with the middle forearm of spray arm (6), postbrachium water route respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420012930 CN2753803Y (en) | 2004-12-30 | 2004-12-30 | Underwater water-spraying digging tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420012930 CN2753803Y (en) | 2004-12-30 | 2004-12-30 | Underwater water-spraying digging tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2753803Y true CN2753803Y (en) | 2006-01-25 |
Family
ID=35925910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420012930 Expired - Lifetime CN2753803Y (en) | 2004-12-30 | 2004-12-30 | Underwater water-spraying digging tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2753803Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100374662C (en) * | 2004-12-30 | 2008-03-12 | 中国科学院沈阳自动化研究所 | Water-spraying digger for sea cable burying machine |
| CN105220726A (en) * | 2015-10-16 | 2016-01-06 | 上海交通大学 | Native device is broken through in the controlled spray of flow |
-
2004
- 2004-12-30 CN CN 200420012930 patent/CN2753803Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100374662C (en) * | 2004-12-30 | 2008-03-12 | 中国科学院沈阳自动化研究所 | Water-spraying digger for sea cable burying machine |
| CN105220726A (en) * | 2015-10-16 | 2016-01-06 | 上海交通大学 | Native device is broken through in the controlled spray of flow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080312 |
|
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080312 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |