CN106286780A - Pressure compensator and the method being compensated device whether leakage of oil for detection - Google Patents
Pressure compensator and the method being compensated device whether leakage of oil for detection Download PDFInfo
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- CN106286780A CN106286780A CN201610891678.2A CN201610891678A CN106286780A CN 106286780 A CN106286780 A CN 106286780A CN 201610891678 A CN201610891678 A CN 201610891678A CN 106286780 A CN106286780 A CN 106286780A
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- pressure
- pipeline
- cavity
- actuating device
- pressure compensator
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/08—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging wheels turning round an axis
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/14—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/14—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids
- E02F5/145—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids control and indicating devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of pressure compensator and the method being compensated device whether leakage of oil for detection, wherein, pressure compensator is connected with the actuating device worked in water or in mud, and for actuating device is carried out pressure compensation, pressure compensator includes: support；Reserving liquid tank, is fixed on support, is positioned at more than transmission operation liquid level；Pipeline, initiating terminal connects with reserving liquid tank, and end connects with actuating device；Effusion meter, is arranged on pipeline, and for monitoring the flow of liquid in pipeline, whether the flow monitored by judgement is more than preset flow value, thus judges actuating device whether leakage of oil.The pressure compensator simple in construction of the present invention, does not has moving component to be exposed in mud, and security reliability is high, the method step that detection is compensated device whether leakage of oil is few, simple to operate, can judge to be compensated device whether leakage of oil quickly and accurately, thus make corresponding remedial measure in time.
Description
Technical field
The present invention relates to the structure design of underwater construction device and detect whether the technical field of leakage of oil, espespecially a kind of pressure
Compensation device and the method being compensated device whether leakage of oil for detection.
Background technology
For the actuating device worked (as in water or in mud) in the environment that pressure increases, actuating device inside and outside
Pressure differential can cause bad seals, in order to reduce the risk of bad seals, needs actuating device inside is carried out pressure compensation, with
Ensure actuating device internal pressure and ambient pressure balance or a little higher than ambient pressure of internal pressure.
Current pressure compensator is mostly as actuating device when working and sinks under the water together, relies on pressure compensation dress
Flexible leather bag, diaphragm or the piston apparatus put deformation under hydraulic pressure effect or mobile reach balance transmission device external and internal pressure
Purpose.But, in rugged environment, as being mingled with in acidity or the alkaline mud of various stone, this leather bag, diaphragm or
When piston is directly with extraneous mud contacts, it is easy to be cut or corrode.
It is also mentioned that one actively controls Pressure Compensation Technology in prior art, this technology is by setting actuating device actively
Internal pressure, makes actuating device internal pressure be higher than, equal to or less than ambient pressure, especially at compensation pressure higher than the external world
Time, the gear oil in actuating device is only possible to outwardly seepage, without occurring that external substance leaks in actuating device, this
Although technology can preferably protect actuating device, but existing structure is the most complicated, to pressure data acquisition elements and master
The dynamic executive component controlled requires height.
Therefore, the applicant is devoted to provide a kind of pressure compensator and is compensated device whether leakage of oil for detection
Method.
Summary of the invention
It is an object of the invention to provide a kind of pressure compensator and the method being compensated device whether leakage of oil for detection,
Its simple in construction, easy to operate, can be with the external and internal pressure size of active balance actuating device, and pressure compensator working environment
Stable, the most perishable impaired, detection method then can judge to be compensated device whether leakage of oil quickly and accurately, thus does in time
Go out corresponding remedial measure.
For solving above-mentioned technical problem, the invention provides a kind of pressure compensator, work with in water or in mud
Actuating device connect, for described actuating device is carried out pressure compensation, including support；Reserving liquid tank, is fixed on described support
On, it is positioned at more than the operating fluid level residing for described actuating device；Pipeline, the initiating terminal of described pipeline connects with described reserving liquid tank,
The end of described pipeline is in connecting with described actuating device；Effusion meter, is arranged on described pipeline, is used for monitoring in described pipeline
The flow of liquid.
Preferably, described pipeline is flexible pipe, and described pressure compensator also includes a capstan winch, described capstan winch for launch or
Roll described flexible pipe.
Preferably, described pressure compensator also includes: two liquid separator boxs, including a casing and movable cut piece, described
Movable cut piece is arranged in described casing, and described casing is divided into the first cavity and the second cavity, described first cavity
For storing first fluid, described second cavity is used for storing gear oil, when the volume of described first cavity increases, described the
The volume of two cavitys reduces, and when the volume of described first cavity reduces, the volume of described second cavity increases, and described first chamber
The volume summation of body and the second cavity keeps certain；Described first cavity is connected with described reserving liquid tank by the first pipeline, described
Second cavity is connected with described actuating device by second pipe.
Preferably, described divisible part is a flexible capsule, and the internal cavity of described flexible capsule is described first cavity,
Its external cavity is described second cavity；Or；Described divisible part is a flexible capsule, and described flexible capsule is positioned at described casing
In, the external cavity of described flexible capsule is described first cavity, and its internal cavity is described second cavity.
Preferably, described effusion meter is positioned on described first pipeline, first fluid in monitoring described first pipeline
Flow；Or；Described effusion meter is positioned on described second pipe, for monitoring the flow of described second pipe internal gear oil.
Preferably, described pipeline includes a total pipeline and the multiple bypass line connected with described total pipeline, multiple described
Bypass line is in parallel, and is provided with a described effusion meter in each bypass line, each described bypass line all with one
Described actuating device connects.
Preferably, each described bypass line is equipped with first check valve, the outlet court of described first check valve
To described actuating device.
Preferably, each described bypass line is equipped with first check valve and second check valve, described
Two check valves and described first check valve are in parallel, and the outlet of described first check valve is towards described actuating device, and described second
The outlet of check valve deviates from described actuating device.
Preferably, described pressure compensator also includes: pressure transducer, is arranged on described actuating device, is used for supervising
Survey internal pressure and the external pressure of described actuating device；And/or；Liquid level sensor, is arranged in described reserving liquid tank, is used for supervising
Survey the volume of liquid in described reserving liquid tank；And/or；Alarm device, is connected with described effusion meter, for monitoring at described effusion meter
The alert when flow of liquid exceedes preset flow in described pipeline.
The invention also discloses a kind of method being compensated device whether leakage of oil for detection, described in be compensated device be institute
State the actuating device that pressure compensator connects, including step:
S10: described reserving liquid tank carries liquid by described pipeline in described actuating device；
S20: by the flow of liquid in the described effusion meter described pipeline of monitoring；
S30: judge whether the flow that described effusion meter monitors exceedes preset flow；
S40: be compensated device leakage of oil described in the most then, then send the first warning message, if it is not, be compensated dress described in then
Put oil-proof.
Preferably, described step S30 is particularly as follows: judge flow that described effusion meter monitors in preset time period whether
All exceed preset flow.
Preferably, described it be compensated the method for device whether leakage of oil for detection and further comprise the steps of:
S50: by being compensated the inside and outside differential pressure of device described in described pressure sensor monitoring；
S60: judge described pressure sensor monitoring to pressure reduction whether more than the first preset pressure；
S70: the most then send Secondary Report alarming information, and be compensated the construction environment mud of device described in redeterminating
Density, and adjust the density of liquid in described reserving liquid tank, makes the density of liquid in described reserving liquid tank and the described device that is compensated
The density of construction environment mud is suitable.
Preferably, the liquid volume stored in described reserving liquid tank is not less than a preset vol, reports to the police when sending described first
During information, described preset vol can ensure that described reserving liquid tank is to institute during being compensated device proposition construction liquid level
State and be compensated device and have pressure and fluid to compensate all the time.
The pressure compensator of the present invention and be compensated the method for device whether leakage of oil for detection and can realize following
A kind of beneficial effect of meaning.
1, reserving liquid tank is arranged on the work of more than operating fluid level, reserving liquid tank and actuating device by the pressure compensator of the present invention
Having preset height as liquid level poor, in use, reserving liquid tank is connected by pipeline with actuating device, all stores up in reserving liquid tank and pipeline
Depositing certain liquid, so, reserving liquid tank just can realize the pressure compensation to actuating device, and preset height difference can realize passing
Dynamic pressure device within higher than outside, by the setting height(from bottom) adjusting reserving liquid tank just can regulate actuating device internal pressure and
The difference of external pressure.The pressure compensator medium-height trestle of the present invention, reserving liquid tank are respectively positioned on more than operating fluid level, are difficult under water
Corrosion and damage, and simple in construction, easily operate, and conveniently and efficiently actuating device can be carried out pressure compensation.
2, the pressure compensator of the present invention is additionally provided with effusion meter, monitors the stream of liquid in pipeline by effusion meter
Amount, can quickly and accurately judge actuating device whether leakage of oil, such that it is able to make benefit in time when actuating device leakage of oil
Rescue measure.
3, when the working depth of actuating device is deepened, the external pressure that actuating device is subject to increases, and is at this moment accomplished by increasing
Its internal pressure big, just can make the external and internal pressure of actuating device can keep balance, be provided with in the pressure compensator of the present invention
Two liquid separator boxs, the first cavity of two liquid separator boxs connects with reserving liquid tank, is used for storing first fluid, by regulation first fluid
Density can change the internal pressure of actuating device, first fluid density is the biggest, then it produces inside actuating device
Pressure is the biggest, and the second cavity of two liquid separator boxs, then for storing the gear oil of lubricating transmission device, is provided with two liquid and separates
The range of application of the pressure compensator of case is more extensive.
4, pipeline can be set to a total pipeline and the form of multiple bypass line by the pressure compensator of the present invention, this
Multiple actuating devices just can be compensated by sample by a reserving liquid tank simultaneously, so arranges and can improve pressure compensator
Utilization rate, can effectively keep away it addition, be respectively provided with to export in each bypass line towards the first check valve of actuating device
Exempt from the fluid path between each bypass line and produce interference, and, each bypass line is additionally provided with one with the first check valve also
The outlet of connection deviates from the second check valve of actuating device, and when being lifted up actuating device when, the second check valve can discharge
Pressure in actuating device, makes actuating device that external and internal pressure can be kept when rising in mud suitable.
5, the pressure compensator of the present invention can monitor the pressure inside and outside actuating device in real time by arranging pressure transducer
Power size, when both pressure differentials are more than a limit value (usually 2～4ar), then alarm, at this time, it may be necessary to again survey
Determine mud density, and the fluid density in reserving liquid tank is adjusted correspondingly.
6, the pipeline in the pressure compensator of the present invention is a flexible pipe, and can be packed up by capstan winch and launch, and works as biography
When the working depth of dynamic device increases or reduces, by rotating capstan winch, it is possible to launch or pack up flexible pipe, make flexible pipe and then
Actuating device lifts, consequently facilitating pressure compensator carries out pressure compensation to actuating device.
7, the pressure compensator of the present invention is by arranging the liquid bulk that liquid level sensor can be monitored in reserving liquid tank in real time
Long-pending, when the volume monitored is less than a preset value, then sends alarm, and reserving liquid tank is carried out artificial compensation's first fluid
Or two liquid separator box the second cavitys are supplemented gear oil, and wherein, preset value and the construction depth of actuating device and flow setting value
Become certain functional relationship, during to ensure oil leakage alarm, during actuating device proposes construction liquid level, pressure supply unit
All the time there are actuating device pressure and fluid to compensate, thus avoid mud to penetrate into.
8, the present invention be compensated the method for device whether leakage of oil by liquid in effusion meter monitoring pipeline for detection
Flow, when actuating device generation oil leakage phenomenon, in pipeline, the flow of liquid can be accelerated, therefore, by judging liquid in pipeline
Flow whether exceed preset flow, it is possible to judge actuating device whether leakage of oil quickly and easily, thus make phase in time
The remedial measure answered.
9, when being compensated device by temporary impact, in pressure compensator, the flow of liquid can fluctuate, and may cause
Producing false alarm phenomenon, therefore, it is possible to judge that pipeline is within a continuous print time period, its flow the most all exceedes presets stream
Amount, if if, then can illustrate that being compensated device there occurs oil leakage phenomenon really, thus avoid effusion meter to produce false alarm
Phenomenon.
Accompanying drawing explanation
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of a kind of specific embodiment of the pressure compensator of the present invention；
Fig. 2 is the partial enlargement structural representation of the pressure compensator shown in Fig. 1；
Fig. 3 is the structural representation of the another kind of specific embodiment of the pressure compensator of the present invention；
Fig. 4 is the partial enlargement structural representation of the pressure compensator shown in Fig. 3.
Drawing reference numeral illustrates:
Support 10, reserving liquid tank 20, pipeline 30, effusion meter 40,40 ', two liquid separator boxs 50, casing 51, movable cut piece 52,
First cavity 53, the second cavity 54, the first check valve 61,61 ', the second check valve 62,62 ', capstan winch 70, elevator 80, steel wire rope
81, slotter 90, actuating device 91,91 ', framework 92, milling wheel 93.
Detailed description of the invention
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Embodiment one
This specific embodiment discloses a kind of pressure compensator, with the actuating device worked in water or in mud even
Connect, for actuating device is carried out pressure compensation.As depicted in figs. 1 and 2, the pressure compensator in the present embodiment and a kind of base
Plinth construction slotter 90 connects, and slotter 90 includes actuating device 91,91 ', framework 92 and milling wheel 93, whole slotter 90
Traction at elevator 80 and steel wire rope 81 is lowered into operation in slurry environment, accordingly, it would be desirable to the actuating device to slotter 90
91 carry out pressure compensation.
As depicted in figs. 1 and 2, the pressure compensator disclosed in this specific embodiment includes: support 10；Reserving liquid tank 20,
Fix over the mount 10, be positioned at more than the operating fluid level residing for actuating device 91；Pipeline 30, the initiating terminal of pipeline 30 and reserving liquid tank
20 connections, the end of pipeline 30 is for connecting with actuating device 91；Effusion meter 40, is arranged on pipeline 30, is used for monitoring pipeline
The flow of liquid in 30.In the present embodiment, reserving liquid tank stores for gear oil, pipeline is conveyance gear in actuating device
Oil.
Poor owing to there is preset height between reserving liquid tank 20 and construction liquid level, therefore, certain when reserving liquid tank 20 stores
During gear oil, can store one section of oil column in pipeline 30, the pressure of this section of oil column formation can increase the inside of actuating device 91
Pressure so that the external and internal pressure of actuating device 91 quite or internal pressure is higher than external pressure.
It addition, the effusion meter 40 of the flow of the liquid being provided with in pressure compensator in monitoring pipeline 30, flowed by judgement
Whether the fluid flow that gauge 40 monitors exceedes preset flow, can judge whether actuating device 91 leaks rapidly and accurately
Oil.If it occur that leakage of oil, in a short time, the gear oil in reserving liquid tank 20 can be flowed in actuating device 91 by effusion meter 40
Portion, thus avoid mud to penetrate into, when the fluid flow that effusion meter 40 detects is more than preset flow, illustrate that oil leakage phenomenon compares
Seriously, need that slotter 90 is proposed mud to overhaul.
Concrete, pipeline 30 is flexible pipe, and pressure compensator also includes a capstan winch 70, and capstan winch 70 is used for launching or roll soft
Pipe.When the working depth of slotter 90 is deepened or reduced, capstan winch 70 drives flexible pipe launch or roll, so that pressure compensation
Device flexible adaptation actuating device change in depth.
Concrete, pipeline 30 includes a total pipeline 30 and the multiple bypass line connected with total pipeline 30, multiple bypass duct
Road is in parallel, and is provided with an effusion meter 40 in each bypass line, and each bypass line is all with an actuating device 91 even
Logical, such as the actuating device 91,91 ' in Fig. 2.When so arranging, pressure compensator can compensate multiple actuating device simultaneously
91, and in each bypass line, it is equipped with an effusion meter, effusion meter 40,40 ' as shown in Figure 2, any one branch road
Pipeline flow exceeds standard and all can be monitored by effusion meter, and report to the police.
Concrete, each bypass line is equipped with first check valve 61 and second check valve 62, in Fig. 2
First shown check valve the 61,61 ', second check valve 62,62 ', the second check valve and corresponding first check valve are in parallel, and the
The outlet of one check valve deviates from actuating device towards actuating device, the outlet of the second check valve.Arranging of first check valve is permissible
The fluid between each bypass line is avoided to interfere.It addition, when slotter 90 rises from deeper mud, transmission fills
Put and just can be discharged internal pressure by the second check valve, thus avoid actuating device internal pressure excessive impaired.
In the present embodiment, pressure compensator also includes pressure transducer (not shown), and pressure transducer is arranged
On actuating device, for monitoring internal pressure and the external pressure of actuating device, when both pressure differentials are more than a limit value
Time (usually 2～4ar), then alarm.
In the present embodiment, pressure compensator also includes liquid level sensor (not shown), and liquid level sensor is arranged
In reserving liquid tank, for monitoring the volume of liquid in reserving liquid tank.When the liquid volume in reserving liquid tank is less than a preset value V0Time, then
Send alarm, and pressure compensator is carried out artificial compensation's gear oil.This preset value V0With construction depth and effusion meter
The flow setting value L of 400Become certain functional relationship, during to ensure oil leakage alarm, propose the mistake of construction liquid level at slotter 90
Cheng Zhong, actuating device 91 is had pressure and fluid to compensate, thus avoids mud to penetrate into actuating device 91 by pressure compensator all the time
In.
In the present embodiment, pressure compensator also includes alarm device (not shown), alarm device and effusion meter
Connect, alert when the flow of liquid exceedes preset flow in effusion meter monitors pipeline.
Concrete, the top of reserving liquid tank is provided with can be with the breather plug (not shown) of external world's ventilation, it is ensured that storage
Liquid in liquid case is successfully flowed out by pipeline or is flowed into.It addition, support includes pedestal and jib, pedestal is fixed on ground
On face, jib is arranged on pedestal, then is arranged on jib by reserving liquid tank, and jib can increase the height of reserving liquid tank, makes liquid storage
Case is higher than the operating fluid level of actuating device.
Embodiment two
Owing to gear oil density is less than mud density, along with the increase of the degree of depth, by the height between reserving liquid tank and construction liquid level
The supercharging value that degree difference produces can gradually decrease, and finally there will be the situation less than ambient pressure, and therefore, embodiment one is only applicable to
Situation under slotter 90 construction depth is shallower.
Pressure compensator disclosed in embodiment two is essentially identical with embodiment one, and difference is, embodiment two
In pressure compensator also include two liquid separator boxs 50, by arranging two liquid separator boxs 50, this pressure compensator can be made
It is applicable to the situation that the construction depth of slotter 90 is deeper.
As shown in Figure 3 and Figure 4, two liquid separator boxs 50 include that a casing 51 and movable cut piece 52, movable cut piece 52 set
Putting in casing 51, and casing 51 is divided into the first cavity 53 and the second cavity 54, the first cavity 53 is used for storing first-class
Body, the second cavity 54 is used for storing gear oil, and when the volume of the first cavity 53 increases, the volume of the second cavity 54 reduces, and first
When the volume of cavity 53 reduces, the volume of the second cavity 54 increases.First cavity 53 is connected with reserving liquid tank 20 by the first pipeline,
Second cavity 54 is connected with actuating device 91 by second pipe.
In the present embodiment, the internal pressure of actuating device can be regulated by the density of regulation first fluid.This enforcement
Pressure compensator in example also includes pressure transducer, if pressure sensor monitoring is to the internal pressure of actuating device and outer
When the pressure differential of portion's pressure is more than a limit value (usually 2～4ar), then alarm, now need to redeterminate mud close
Degree, and first fluid density is adjusted correspondingly, make the density of first fluid keep essentially identical with mud density, so that it may
So that the internal pressure of actuating device 91 keeps constant higher than the difference of external pressure.
Concrete, movable cut piece 51 is a flexible capsule, and it is internal that flexible capsule is arranged on casing 51, and flexible capsule
Internal cavity is the first cavity 53, and the first cavity 53 connects with reserving liquid tank 20, and its external cavity is the second cavity 54, the second cavity
54 connect with actuating device 91.
In use, the inner chamber (namely the first cavity) of reserving liquid tank 20, flexible pipe and flexible capsule is filled with first
Fluid, flexible capsule exocoel (namely the second cavity) is filled with gear oil, by regulating the density of first fluid so that it is with outward
The density of boundary's mud is suitable, thus can ensure that and no matter works in how deep mud inside actuating device, and internal pressure is high
Difference substantially constant in external pressure.
Concrete, effusion meter 40 is positioned on second pipe, say, that when gear oil is from the second chamber of two liquid separator boxs 50
During body 54 flows to actuating device 91, can be through effusion meter 40, so effusion meter 40 can monitor second pipe internal tooth
The flow of wheel oil, the flow arrived by contrastive detection and flow setting value L0, it can be determined that go out actuating device 91 whether leakage of oil.
Concrete, in the present embodiment, the volume of reserving liquid tank 20 and two liquid separator boxs 50 is the biggest, can store sufficient quantity
Liquid, thus reduce repairing number of times, save the repairing time, improve the work efficiency of compensation device further；It addition, volume is bigger
Reserving liquid tank 20 and two liquid separator boxs 50 in can reserve the liquid of a constant volume, when actuating device 91 leakage of oil is serious, this is reserved
The liquid of volume can be continuously actuating device 91 repairing, it is to avoid actuating device 91 enters mud during proposing construction liquid level
Water, thus reduce the damage of actuating device 91, and maintenance is easier to, and i.e. saves maintenance time and saves again maintenance cost.
Certainly, in other embodiments, in the pressure compensator of the present invention, the specific number of bypass line can basis
Need to arrange；One total pipeline can be only set, be not provided with bypass line；Pipeline can also be set to rigid conduit, then leads to
Position or the length of overregulating pipeline change to the working depth adapting to actuating device；Two liquid separator boxs can be arranged with selectivity；
In two liquid separator boxs, the external cavity of flexible capsule can also be the first cavity, and its internal cavity is the second cavity；First is unidirectional
Valve and the second check valve all can be arranged with selectivity；Effusion meter can also be arranged on the first pipeline, is used for monitoring described first
The flow of first fluid in pipeline, may determine that the flow of gear oil from the flow of first fluid；It addition, the pressure of the present invention
In compensation device, the length equidimension of reserving liquid tank and the volume size of two liquid separator boxs, flexible pipe sets all in accordance with being actually needed
Putting, here is omitted.
Embodiment three
The invention also discloses a kind of method being compensated device whether leakage of oil for detection, described in be compensated device for pressure
The actuating device that force compensating device connects, including step:
S10: reserving liquid tank carries liquid by pipeline in actuating device；
S20: by the flow of liquid in effusion meter monitoring pipeline；
S30: judge whether the flow that effusion meter monitors exceedes preset flow；
S40: be compensated device leakage of oil described in the most then, then send the first warning message, if it is not, be compensated dress described in then
Put oil-proof or leakage of oil is the most serious；
S50: by being compensated the inside and outside differential pressure of device described in described pressure sensor monitoring；
S60: judge described pressure sensor monitoring to pressure reduction whether more than the first preset pressure (usually 2～4ar)；
S70: the most then send Secondary Report alarming information, and be compensated the construction environment mud of device described in redeterminating
Density, and adjust the density of liquid in described reserving liquid tank, makes the density of liquid in described reserving liquid tank and the described device that is compensated
The density of construction environment mud is suitable.
When being compensated device generation oil leakage phenomenon, its internal pressure can reduce, and pressure compensator is mended to compensate
Repaying the internal pressure of device, can add gear oil by reserving liquid tank to being compensated in device, this can make the flow of liquid in pipeline
Increase, when flow is more than preset flow value L0Alarm is pointed out.
When by temporary impact, the internal pressure being compensated device may fluctuate, and pressure compensator is in order to compensate
Being compensated the internal pressure of device, in its pipeline, the flow of liquid can also can fluctuate, and this can result in false alarm phenomenon, because of
This, step S30 is particularly as follows: judge that the flow that effusion meter monitors in preset time period the most all exceedes preset flow.So
The situation that can be prevented effectively from false alarm is set, so that testing result is the most accurate.
In the present embodiment, the liquid volume stored in described reserving liquid tank is not less than a preset vol；When sending described
During one warning message, described preset vol can ensure that during being compensated device proposition construction liquid level, described liquid storage
The described device that is compensated is had pressure and fluid to compensate by case all the time.
Concrete, the liquid volume stored in described reserving liquid tank is not less than a preset vol, liquid in described reserving liquid tank
Preset vol V0, preset flow L of effusion meter0And the construction depth H being compensated device meets a preset function relation；The fullest
Be enough to lower relation:
Wherein: v represents the speed being compensated device lifting；
When sending described first warning message, need to overhaul the described device proposition construction liquid level that is compensated,
During this, described preset function relation can ensure that the described device that is compensated is had pressure and fluid to mend by described reserving liquid tank all the time
Repay.The program can farthest extend the working time being compensated device in case of leakage.
A kind of pressure compensator of the present invention, its simple in construction, easy to operate, can be with in active balance actuating device
External pressure size or the actuating device internal pressure that ensures are consistently higher than the difference substantially constant of ambient pressure, and pressure compensator
Working environment is stable, and it does not has moving component to be exposed in mud, the most perishable impaired, and security reliability is high, and detection method walks
Rapid few, simple to operate, can judge to be compensated device whether leakage of oil quickly and accurately, thus make in time remedying accordingly and arrange
Execute.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (12)
1. a pressure compensator, is connected with the actuating device worked in water or in mud, for described actuating device
Carry out pressure compensation, it is characterised in that including:
Support；
Reserving liquid tank, fixes on the bracket, is positioned at more than the operating fluid level residing for described actuating device；
Pipeline, the initiating terminal of described pipeline connects with described reserving liquid tank, and the end of described pipeline is for described actuating device even
Logical；
Effusion meter, is arranged on described pipeline, the flow of liquid in monitoring described pipeline.
2. pressure compensator as claimed in claim 1, it is characterised in that:
Described pipeline is flexible pipe, and described pressure compensator also includes that a capstan winch, described capstan winch are used for launching or roll described soft
Pipe.
3. pressure compensator as claimed in claim 1, it is characterised in that also include:
Two liquid separator boxs, including a casing and movable cut piece, described movable cut piece is arranged in described casing, and by described
Casing is divided into the first cavity and the second cavity, and described first cavity is used for storing first fluid, and described second cavity is used for storing up
Depositing gear oil, when the volume of described first cavity increases, the volume of described second cavity reduces, and the volume of described first cavity subtracts
Hour, the volume of described second cavity increases；
Described first cavity is connected with described reserving liquid tank by the first pipeline, and described second cavity is by second pipe and described biography
Dynamic device connection.
4. pressure compensator as claimed in claim 3, it is characterised in that:
Described divisible part is a flexible capsule, and the internal cavity of described flexible capsule is described first cavity, its external cavity
For described second cavity；
Or；
Described divisible part is a flexible capsule, and the external cavity of described flexible capsule is described first cavity, its internal cavity
For described second cavity.
5. pressure compensator as claimed in claim 3, it is characterised in that:
Described effusion meter is positioned on described first pipeline, the flow of first fluid in monitoring described first pipeline；
Or；
Described effusion meter is positioned on described second pipe, for monitoring the flow of described second pipe internal gear oil.
6. pressure compensator as claimed in claim 1, it is characterised in that:
Described pipeline includes a total pipeline and the multiple bypass line connected with described total pipeline, and multiple described bypass line are also
Connection, and in each bypass line, it is provided with a described effusion meter, each described bypass line all fills with a described transmission
Put connection.
7. pressure compensator as claimed in claim 6, it is characterised in that:
Being equipped with first check valve in each described bypass line, the outlet of described first check valve fills towards described transmission
Put；
Or；
First check valve and second check valve, described second check valve and institute it is equipped with in each described bypass line
State the first check valve in parallel, and the outlet of described first check valve is towards described actuating device, the outlet of described second check valve
Deviate from described actuating device.
8. the pressure compensator as according to any one of claim 1 to 7, it is characterised in that also include:
Pressure transducer, is arranged on described actuating device, for monitoring internal pressure and the external pressure of described actuating device；
And/or；
Liquid level sensor, is arranged in described reserving liquid tank, for monitoring the volume of liquid in described reserving liquid tank；
And/or；
Alarm device, is connected with described effusion meter, exceedes for the flow of liquid in described effusion meter monitors described pipeline
Alert during preset flow.
9. the method being compensated device whether leakage of oil for detection, described in be compensated device be in described claim 1 to 8
The actuating device that pressure compensator described in any one connects, it is characterised in that include step:
S10: described reserving liquid tank carries liquid by described pipeline in described actuating device；
S20: by the flow of liquid in the described effusion meter described pipeline of monitoring；
S30: judge whether the flow that described effusion meter monitors exceedes preset flow；
S40: be compensated device leakage of oil described in the most then, sends the first warning message, does not leaks if it is not, be compensated device described in then
Oil.
10. method as claimed in claim 9, it is characterised in that:
Described step S30 is particularly as follows: judge that the flow that described effusion meter monitors in preset time period the most all exceedes default
Flow.
11. methods as claimed in claim 9, it is characterised in that further comprise the steps of:
S50: by being compensated the inside and outside differential pressure of device described in described pressure sensor monitoring；
S60: judge described pressure sensor monitoring to pressure reduction whether more than the first preset pressure；
S70: the most then send Secondary Report alarming information, and it is compensated the density of the construction environment mud of device described in redeterminating,
And adjust the density of liquid in described reserving liquid tank, make the density of liquid and the described construction ring being compensated device in described reserving liquid tank
The density of border mud is suitable.
12. methods as claimed in claim 9, it is characterised in that:
The liquid volume stored in described reserving liquid tank is not less than a preset vol, when sending described first warning message, at quilt
During compensation device proposes construction liquid level, the liquid of preset vol can ensure that described reserving liquid tank is compensated device to described
All the time pressure and fluid is had to compensate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610891678.2A CN106286780A (en) | 2016-10-13 | 2016-10-13 | Pressure compensator and the method being compensated device whether leakage of oil for detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610891678.2A CN106286780A (en) | 2016-10-13 | 2016-10-13 | Pressure compensator and the method being compensated device whether leakage of oil for detection |
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|---|---|
| CN106286780A true CN106286780A (en) | 2017-01-04 |
Family
ID=57718167
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610891678.2A Pending CN106286780A (en) | 2016-10-13 | 2016-10-13 | Pressure compensator and the method being compensated device whether leakage of oil for detection |
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| Country | Link |
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| CN (1) | CN106286780A (en) |
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| WO2020173788A1 (en) * | 2019-02-27 | 2020-09-03 | Liebherr-Components Biberach Gmbh | Drive device for a diaphragm wall cutter |
| CN113311884A (en) * | 2021-05-31 | 2021-08-27 | 江苏徐工工程机械研究院有限公司 | Active pressure compensation device and method and double-wheel slot milling machine |
| CN114198491A (en) * | 2021-11-15 | 2022-03-18 | 重庆海装风电工程技术有限公司 | Lubricating oil-based monitoring method and system and electronic equipment |
| CN114321337A (en) * | 2021-12-20 | 2022-04-12 | 徐州徐工基础工程机械有限公司 | Gas-liquid pressure compensation device and method |
| CN114542688A (en) * | 2022-01-26 | 2022-05-27 | 徐州徐工基础工程机械有限公司 | Pressure maintaining compensation control system of transmission device |
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| CN113311884A (en) * | 2021-05-31 | 2021-08-27 | 江苏徐工工程机械研究院有限公司 | Active pressure compensation device and method and double-wheel slot milling machine |
| CN114198491A (en) * | 2021-11-15 | 2022-03-18 | 重庆海装风电工程技术有限公司 | Lubricating oil-based monitoring method and system and electronic equipment |
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| CN114321337A (en) * | 2021-12-20 | 2022-04-12 | 徐州徐工基础工程机械有限公司 | Gas-liquid pressure compensation device and method |
| CN114321337B (en) * | 2021-12-20 | 2024-05-14 | 徐州徐工基础工程机械有限公司 | Gas-liquid pressure compensation device and method |
| CN114542688A (en) * | 2022-01-26 | 2022-05-27 | 徐州徐工基础工程机械有限公司 | Pressure maintaining compensation control system of transmission device |
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Application publication date: 20170104 |