CN202676499U - Analytical system for collecting water and measuring water sample density during tube element floating transport and sinking of immersed tube tunnel - Google Patents
Analytical system for collecting water and measuring water sample density during tube element floating transport and sinking of immersed tube tunnel Download PDFInfo
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- CN202676499U CN202676499U CN 201220260309 CN201220260309U CN202676499U CN 202676499 U CN202676499 U CN 202676499U CN 201220260309 CN201220260309 CN 201220260309 CN 201220260309 U CN201220260309 U CN 201220260309U CN 202676499 U CN202676499 U CN 202676499U
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Abstract
The utility model provides an analytical system for collecting water and measuring water sample density during tube element floating transport and sinking of an immersed tube tunnel. The analytical system comprises a water collector, a flow guide tube and an electronic density analytical balance, the water collector comprises a bottle, clamping covers, traction lines, a locking part, a hydrologic rope, a hanging hammer and a water mouth, wherein the clamping covers are located at two ends of the bottle and are movably connected with the locking part through hoops of the traction lines, the locking part is connected with the bottle, and the clamping covers have the opening state and the closing state. The analytical balance comprises a beaker, a standard block and an electronic balance, water samples flow through a drainage tube from the water mouth of the water collector and are injected into the beaker, and the density of the water samples is measured with the aid of the standard block with constant size-mass and using the Archimedes buoyancy principle. The analytical system is used for meeting immersed tube tunnel construction needs, can collect the water samples at different depths once at appointed positions on the basis that slight disturbance of water bodies is guaranteed, improves construction efficiency, reduces project risks, and is simple and rapid to operate and high in precision.
Description
Technical field
The utility model relates to immersed tube tunnel pipeline section construction field, particularly, relates to the analytic system of adopting water in a kind of immersed tube tunnel section floating sinking and detecting water sample unit weight.
Background technology
At present, in the immersed tube tunnel section floating sinking process, buoyancy control is realized by the adjustment of pondage in the water tank.Because the heavy variation with factors such as hydrogeological situation, water temperature, the depth of water and morning and evening tides of the water capacity changes, the control of Water in Water Tanks amount was inaccurate during the heavy variation of the water capacity can cause constructing, thereby affect the stability of pipeline section, increase construction risk, to the heavy detection of the water capacity and monitoring in some cases can the engineering construction of direct relation immersed tube tunnel progress and quality.In engineering construction in the past, often ignore the heavy variation of the water capacity, cause the increase of engineering risk.On sampling and detection means, often adopt the method for frogman's underwater sampling, the method operation is difficult for, and can cause excessive disturbance to water body, thereby affects sampling accuracy.
The utility model content
The demand that the utility model is built for immersed tube tunnel, a kind of pressed cover hydrophore and electron density analytical balance that in section floating sinking process water body sampling and unit weight is detected is provided, can in the situation less to water disturbance, take the water sample at any degree of depth and gradient place, and water body measured, more accurately water capacity tuple certificate is provided, thereby the adjustment to water tank pondage in the floating and sinking process provides foundation, and simple and quick according to the method that the utility model provides, high efficiency, accuracy is high.
According to an aspect of the present utility model, the analytic system of adopting water in a kind of immersed tube tunnel section floating sinking and detecting water sample unit weight is provided, comprise hydrophore, mozzle, electron density analytical balance, wherein:
Described hydrophore comprises bottle, Ka Gai, draught line, latch part, hydrology rope, hangs hammer, wherein, described Ka Gai is positioned at the two ends of described bottle, described Ka Gai is movably connected on described latch part by the cuff of described draught line, described latch part connects described bottle, described extension hammer is installed on the described hydrology rope and can be free to slide along described hydrology rope, and described extension hammer can touch the tripper of described latch part on sliding path; Further, when described cuff was connected to described latch part, described Ka Gai was in open mode, and when described cuff broke away from described latch part, described Ka Gai was in closed condition;
Described electron density analytical balance comprises water container, calibrated bolck, electronic balance, weight-measuring device, and described water container places on the described electronic balance, and described calibrated bolck hangs in the described water container by described weight-measuring device;
Described mozzle is connected between the water container of the water nozzle of described hydrophore and described electron density analytical balance.
Preferably, described hydrophore is horizontal type pressed cover hydrophore, particularly, described latch part comprises sleeve, piston, hook, and described sleeve connects described bottle, and the tripper of described latch part is described piston, be provided with described hook on the described piston, the cuff of described draught line is movably connected on described hook, and the outer end of described piston connects described hydrology rope, the action that described piston moves in the described sleeve can so that described cuff break away from from described hook.
Preferably, the activity direction of described piston and the axial direction of described bottle are perpendicular, and described hydrology rope is connected in the top of described piston.
Preferably, described hydrophore is vertical pressed cover hydrophore, particularly, described latch part comprises holder, discharge pole cap, connecting rod, wherein, described holder connects described bottle, described hydrology rope is connected in described holder, the tripper of described latch part is described release pole cap, be provided with described connecting rod on the described holder, the cuff of described draught line is movably connected on described connecting rod, triggers described connecting rod and becomes open mode by closed condition thereby described extension hammer can touch described release pole cap on sliding path, so that described cuff breaks away from from described connecting rod.
Preferably, described hydrology rope has at least two places to be connected in described holder, and the bearing of trend of the hydrology rope between described two places is parallel with the bearing of trend of described bottle.
Preferably, on the described mozzle valve is installed.
Preferably, described electronic balance comprises measures platen, support, the scale pan, balance main frame, and described measurement platen is linked to each other with the described scale pan by described support, and described water container is placed on the described measurement platen; Described weight-measuring device comprises that double hook code, platinum wire, described double hook code are connected under the described scale pan, and described calibrated bolck is suspended on the described double hook code via described platinum wire, by described scale pan measurement quality; Described platinum wire length is so that suspension described calibrated bolck thereon is immersed in the inside of described water container fully; Described balance main frame comprises electronic computing system and liquid crystal indicator.
More specifically, for achieving the above object, preferably the technical scheme that adopts of embodiment is as follows at one of the present utility model:
According to pipeline section construction working condition requirement, determine the method for sampling point position and sampling depth; Take the method for water sample in any depth at sampled point; At same sampled point, some depths are taked simultaneously the method for water sample along depth direction; In the laboratory, detect the water sample of taking, obtain the heavy method of the water capacity.
Step 1: position and the degree of depth of determining sampled point
Sampled point is set up in requirement according to the concrete operating mode of immersed tube tunnel section floating sinking.For the section floating stage, the water body that produces buoyancy is that the degree of depth is the water body in the pipeline section altitude range, and sampled point can be arranged in tube head on the pipeline section axis, the pipe, pipe tail position, and sampling depth is half of pipeline section height.For the Pipe Sinking stage, produce the water body of buoyancy from the water surface to foundation trench metalling top, sampled point can be arranged on four limbs of pipeline section, and from the beginning of foundation trench metalling top, the 1.5m that whenever makes progress is as a sampled point, until the degree of depth is the pipeline section height half.
Step 2: take water sample
Take water sample at each sampled point with the pressed cover hydrophore.Can adopt horizontal type pressed cover hydrophore for only gather the water sample of determining the degree of depth at sampled point, at first open two ends Ka Gai during sampling, by rope hydrophore is put into water afterwards, current will run through bottle after the entry, after sinking to designated depth, transfer the extension hammer and make Ka Gai close, thus the sealing water sample, device for fetching water from is left the water, finish sampling process.Sampled point for the different depth place, should adopt vertical pressed cover hydrophore, some hydrophores are connected with rope, adjust rope lengths between hydrophore, make it to meet the requirement of sampling gradient, with the hydrophore submerged, designated depth to be sink to, transfer the extension hammer Ka Gai is closed, thereby realize disposable many degree of depth samplings.
Step 3: the unit weight of water sample detects
It is heavy to measure the water capacity at laboratory using electron density (proportion) analytical balance.At first beaker is placed on to measure on the platen and removes the peel operation; Afterwards water sample is injected beaker; Then plummet is hung on the double hook code, plummet is submerged, read watery density.Take water sample to carry out three unit weights to each sampled point place and detect, it is heavy as this sample point water capacity to get its mean value.
The solution that the utility model provides sampling and the unit weight test problems of water body in the immersed tube tunnel section floating sinking process.Control and adjustment to buoyancy in the immersed tube tunnel section floating sinking process are to be related to one of key factor of construction speed and quality, and wherein water capacity variation heavily has material impact to the calculating of buoyancy.The control of existing section floating sinking buoyancy is controlled by water tank water filling draining, as ignores the impact that the water capacity heavily changes, and deviation can appear in the control of water tank water filling water discharge.The scheme that adopts the utility model to provide detects and monitors the variation that the water capacity weighs, and can instruct more accurately water tank to annotate the control of water discharge.The technical scheme that the utility model provides has following advantage at least:
1. reduction engineering risk: by detecting the variation with monitoring water body unit weight, can carry out anticipation and control to buoyancy more accurately in work progress, reduce engineering risk, accelerating construction progress improves construction quality.
2. sampling more accurately and reliably: the technical scheme that the utility model provides requires to have proposed pointed sampled point arrangement according to the difference of each operation of immersed tube tunnel section floating sinking, can reflect more effectively that the water capacity heavily on the impact of buoyancy, makes testing result more targeted.Compare the method that the frogman takes water sample under water, the pressed cover hydrophore that utilizes that adopts in the technical program takes the method for water sample more effectively to reduce water disturbance, makes institute's water sample of taking and actual conditions more approaching, and it is more reliable to obtain testing result.
3. increase work efficiency: compare the method that the frogman dives under water and takes a sample, the method of sampling that proposes in the scheme that the utility model provides operates more simple and fast, and for need along the sampling on the concentration gradient direction, the hydrophore series connection sampling method that the scheme that the utility model provides proposes can be taked the water sample of same sampled point different depth once, has greatly improved work efficiency.
4. the testing result precision is higher: the technical program proposes to adopt electron density (proportion) analytical balance based on Archimedes's law of buoyancy to carry out the heavy measurement of the water capacity, principle is clear and definite, simple to operate, and have higher measuring accuracy, general electron density analytical balance can reach ± 0.0005g/cm
3Measuring accuracy, some precision can reach ± 0.0002g/cm
3, can satisfy preferably requirement of engineering.
Description of drawings
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present utility model will become:
Fig. 1 is the actual operation block diagram of an embodiment of the present utility model;
Fig. 2 is the structural representation of horizontal type pressed cover hydrophore;
Fig. 3 is the structural representation of vertical pressed cover hydrophore;
Fig. 4 is water capacity remeasurement schematic diagram.
Embodiment
In Fig. 1, need to determine at first as the case may be position and the depth requirements of sampling, sampling thief is installed and is taked water sample according to sampling request afterwards, in the laboratory, utilize the electron density analytical balance to measure the value of bulk density of water sample after the sampling, and establishment examining report, to report at last and submit relevant unit to, provide guidance to departments such as corresponding construction, designs.
According to the analytic system of adopting water and detection water sample unit weight in the immersed tube tunnel section floating sinking provided by the invention, it is characterized in that, comprise hydrophore, mozzle, electron density analytical balance, described electron density analytical balance comprises water container 91, calibrated bolck 93, electronic balance, weight-measuring device 94, described water container places on the described electronic balance, and described calibrated bolck hangs in the described water container by described weight-measuring device; Described mozzle is connected between the water container of the water nozzle 12 of described hydrophore and described electron density analytical balance.Wherein: on the water nozzle of described hydrophore and/or the mozzle valve is installed.
Described hydrophore is preferably horizontal type pressed cover hydrophore or vertical pressed cover hydrophore.
The pressed cover of horizontal type shown in Fig. 2 hydrophore is adapted at sampled point and only takes water sample at certain depth.When adopting water, will block and cover 2 through the preferred nylon wire of draught line 3() on cuff hang on the hook 6 on the piston 4, card covered 2 and opened this moment, bottle 1 can be adopted water.By hydrology rope 5 bottle 1 is sink to designated depth, transfers along hydrology rope 5 and hang hammer, hang piston 4 in the hammering, piston 4 sinks along steel bushing 7, makes hook 6 sink to sleeve 7 inside, and cuff is thrown off, and card covers 2 and closes, bottle 1 closure, and water sample is closed in the bottle.Reclaim hydrophore.Open valve 13, water sample gathers from water nozzle 12, finishes sampling.
Vertical pressed cover hydrophore shown in Figure 3 is adapted at the water sample that same sampled point is taked some different depths place.Before adopting water, with hydrology rope 5 some pressed cover hydrophores are cascaded, fixing with bolt 9; Card covers 2 and opens, with the preferred nylon wire of draught line 3() on cuff be fixed on the connecting rod 14 in the holder 10; At connecting rod 14 places of holder 10 the extension hammer is installed on each hydrophore.When adopting water, with a series of hydrophore submerged predetermined altitudes of series connection, after water sample is full of bottle 1, put down the extension hammer along hydrology rope 5; Hang the release pole cap 8 on the connecting rod in the hammering, spring 11 shortens, and connecting rod 14 is opened, and cuff is deviate from, and makes card lid 2 closures, thus sealing bottle 1, the preservation water sample; Simultaneously, the extension at connecting rod 14 places is hammered into shape, and along 5 tenesmus of hydrology rope, hits the release pole cap 8 of next hydrophore, thereby seals next hydrophore bottle 1.Thus, can be disposable adopt to get the water sample at different depth place along depth of water direction.After reclaiming hydrophore, open valve 13, gather water sample from water nozzle 12, finish sampling.
More specifically, described electronic balance comprises measures platen, support, the scale pan, balance main frame, and described measurement platen is linked to each other with the described scale pan by described support, and described water container is placed on the described measurement platen; Described weight-measuring device comprises that double hook code, platinum wire, described double hook code are connected under the described scale pan, and described calibrated bolck is suspended on the described double hook code via described platinum wire, by described scale pan measurement quality; Described platinum wire length is so that suspension described calibrated bolck thereon is immersed in the inside of described water container fully; Described balance main frame comprises and liquid crystal indicator.
In a preferred embodiment of the present invention, described water nozzle is positioned at described bottle by the position of end, described mozzle connects described water nozzle, can be by the valve regulated discharge on it, water sample can inject described beaker by described mozzle, and by the valve regulated water injection rate on the described mozzle; Described water container is preferably beaker, and beaker indicates scale, can read the water yield; Described calibrated bolck is volume and mass conservation in varying environment.Described electronic analytical balance can be measured described calibrated bolck in air and immerse quality behind the water sample fully, and utilize Archimedes principle, by described calibrated bolck in air and immerse mass change behind the water sample fully, utilize the volume of described calibrated bolck, calculate the density (proportion) of water sample, and be presented on the display screen.
Preferably, be electron density (proportion) analytical balance, particularly, described electron density (proportion) analytical balance comprises measures platen, support, the scale pan, double hook code, platinum wire, balance main frame, wherein, described measurement platen is linked to each other with the described scale pan by described support, and described beaker is placed on the described measurement platen; Described double hook code is connected under the described scale pan, and during measurement, described calibrated bolck is suspended on the described double hook code via described platinum wire, by described scale pan measurement quality; Described platinum wire length can guarantee to hang thereon described calibrated bolck and be immersed in fully in the water sample in the described beaker; Described balance main frame has electronics computing power and liquid crystal display capable, can utilize Archimedes principle to calculate the density (proportion) of water sample, and result of calculation is shown on the liquid crystal display.
Figure 4 shows that the schematic diagram that utilizes Archimedes principle to measure water sample unit weight.Get the fixing calibrated bolck 93 of volume, density as object of reference, at first use spring balance 94 measurement standard pieces 93 aerial weight W
1(N); Pour institute's water sampling 92 into beaker afterwards, with calibrated bolck 93 complete submergeds, measure its weight W in water with spring balance 94
2(N), can obtain thus calibrated bolck suffered buoyancy in water, be W
1-W
2Known by Archimedes principle, be immersed in the inner object of liquid (or gas) and be subject to upwards buoyancy that the size of buoyancy equals the gravity of the liquid that this object arranges, so the suffered buoyancy of calibrated bolck can be expressed as:
W
1-W
2=ρgV
s
Wherein, V
sFor calibrated bolck arranges the volume of water, i.e. himself volume (m
3); ρ is the density (kg/m of water sample
3); G is acceleration of gravity.
Can calculate the density of water sample thus, and then obtain its unit weight.
Further, with described horizontal type pressed cover hydrophore when designated depth gathers water sample, particularly: at first open two ends Ka Gai during sampling, by rope described horizontal type pressed cover hydrophore is put into water afterwards, current will run through bottle after the entry, after sinking to designated depth, transferring to hang to hammer into shape makes Ka Gai close, thereby the sealing water sample will be got horizontal type pressed cover hydrophore and leave the water, and finish sampling process;
With described vertical pressed cover hydrophore when designated depth gathers water sample, vertical pressed cover hydrophore is connected with series system, simultaneously the different depth place is gathered water sample, be specially: some vertical pressed cover hydrophores are connected with rope, adjust rope lengths between vertical pressed cover hydrophore, make it to meet the requirement of sampling gradient, with vertical pressed cover hydrophore submerged, designated depth to be sink to is transferred the extension hammer Ka Gai is closed, thereby realizes disposable many degree of depth samplings.
More than specific embodiment of the utility model is described.It will be appreciated that the utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (7)
1. adopt water in the immersed tube tunnel section floating sinking and detect the analytic system of water sample unit weight, it is characterized in that, comprise hydrophore, mozzle, electron density analytical balance, wherein:
Described hydrophore comprises bottle (1), Ka Gai (2), draught line (3), latch part, hydrology rope (5), hangs hammer, wherein, described Ka Gai (2) is positioned at the two ends of described bottle (1), described Ka Gai (2) is movably connected on described latch part by the cuff of described draught line (3), described latch part connects described bottle (1), described extension hammer is installed on described hydrology rope (5) upward and can be free to slide along described hydrology rope (5), and described extension hammer can touch the tripper of described latch part on sliding path; Further, when described cuff was connected to described latch part, described Ka Gai (2) was in open mode, and when described cuff broke away from described latch part, described Ka Gai (2) was in closed condition;
Described electron density analytical balance comprises water container (91), calibrated bolck (93), electronic balance, weight-measuring device (94), and described water container places on the described electronic balance, and described calibrated bolck hangs in the described water container by described weight-measuring device;
Described mozzle is connected between the water container of the water nozzle (12) of described hydrophore and described electron density analytical balance.
2. adopt the analytic system of water and detection water sample unit weight in the immersed tube tunnel section floating sinking according to claim 1, it is characterized in that, described hydrophore is horizontal type pressed cover hydrophore, particularly, described latch part comprises sleeve (7), piston (4), hook (6), described sleeve (7) connects described bottle (1), the tripper of described latch part is described piston (4), be provided with described hook (6) on the described piston (4), the cuff of described draught line (3) is movably connected on described hook (6), the outer end of described piston (4) connects described hydrology rope (5), the action of described piston (4) motion in the described sleeve (7) can so that described cuff break away from from described hook (6).
3. adopt the analytic system of water and detection water sample unit weight in the immersed tube tunnel section floating sinking according to claim 2, it is characterized in that, the activity direction of described piston (4) and the axial direction of described bottle are perpendicular, and described hydrology rope (5) is connected in the top of described piston (4).
4. adopt the analytic system of water and detection water sample unit weight in the immersed tube tunnel section floating sinking according to claim 1, it is characterized in that, described hydrophore is vertical pressed cover hydrophore, particularly, described latch part comprises holder (10), discharge pole cap (8), connecting rod, wherein, described holder (10) connects described bottle (1), described hydrology rope (5) is connected in described holder (10), the tripper of described latch part is described release pole cap (8), described holder is provided with described connecting rod on (10), the cuff of described draught line (3) is movably connected on described connecting rod, described extension hammer can touch described release pole cap (8) on sliding path thereby triggering described connecting rod becomes open mode by closed condition, so that described cuff breaks away from from described connecting rod.
5. adopt the analytic system of water and detection water sample unit weight in the immersed tube tunnel section floating sinking according to claim 4, it is characterized in that, described hydrology rope (5) has at least two places to be connected in described holder (10), and the bearing of trend of the hydrology rope (5) between described two places is parallel with the bearing of trend of described bottle.
6. adopt the analytic system of water and detection water sample unit weight in the immersed tube tunnel section floating sinking according to claim 1, it is characterized in that, on the described mozzle valve is installed.
7. adopt the analytic system of water and detection water sample unit weight in the immersed tube tunnel section floating sinking according to claim 1, it is characterized in that, described electronic balance comprises measures platen, support, the scale pan, balance main frame, described measurement platen is linked to each other with the described scale pan by described support, and described water container is placed on the described measurement platen; Described weight-measuring device comprises that double hook code, platinum wire, described double hook code are connected under the described scale pan, and described calibrated bolck is suspended on the described double hook code via described platinum wire, by described scale pan measurement quality; Described platinum wire length is so that suspension described calibrated bolck thereon is immersed in the inside of described water container fully; Described balance main frame comprises electronic computing system and liquid crystal indicator.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220260309 CN202676499U (en) | 2012-06-04 | 2012-06-04 | Analytical system for collecting water and measuring water sample density during tube element floating transport and sinking of immersed tube tunnel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220260309 CN202676499U (en) | 2012-06-04 | 2012-06-04 | Analytical system for collecting water and measuring water sample density during tube element floating transport and sinking of immersed tube tunnel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104298124A (en) * | 2014-07-29 | 2015-01-21 | 上海海事大学 | Multi-tug cooperative open caisson floating transportation manipulation simulation control method |
| CN104880336A (en) * | 2014-12-30 | 2015-09-02 | 浙江省海洋水产研究所 | Bottom-water layered water-gathering device |
| CN110389051A (en) * | 2019-06-12 | 2019-10-29 | 广州海洋地质调查局 | Cold spring benthic community original position respiratory rate and environmental parameter detection device |
| CN111879562A (en) * | 2020-07-30 | 2020-11-03 | 中国长江三峡集团有限公司 | Mechanical water pressure fixed depth water sampler |
-
2012
- 2012-06-04 CN CN 201220260309 patent/CN202676499U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104298124A (en) * | 2014-07-29 | 2015-01-21 | 上海海事大学 | Multi-tug cooperative open caisson floating transportation manipulation simulation control method |
| CN104880336A (en) * | 2014-12-30 | 2015-09-02 | 浙江省海洋水产研究所 | Bottom-water layered water-gathering device |
| CN104880336B (en) * | 2014-12-30 | 2017-06-30 | 浙江省海洋水产研究所 | Bottom water stratification water sampling device |
| CN110389051A (en) * | 2019-06-12 | 2019-10-29 | 广州海洋地质调查局 | Cold spring benthic community original position respiratory rate and environmental parameter detection device |
| CN111879562A (en) * | 2020-07-30 | 2020-11-03 | 中国长江三峡集团有限公司 | Mechanical water pressure fixed depth water sampler |
| CN111879562B (en) * | 2020-07-30 | 2023-11-07 | 中国长江三峡集团有限公司 | Mechanical hydraulic depth-setting water sampler |
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Granted publication date: 20130116 Termination date: 20210604 |
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