CN103968921A - Underwater sediment weighing platform - Google Patents
Underwater sediment weighing platform Download PDFInfo
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- CN103968921A CN103968921A CN201410231765.6A CN201410231765A CN103968921A CN 103968921 A CN103968921 A CN 103968921A CN 201410231765 A CN201410231765 A CN 201410231765A CN 103968921 A CN103968921 A CN 103968921A
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Abstract
The invention discloses an underwater sediment weighing platform. Three housings are fixed on a chassis, a weighing sensor is fixed in each housing, an upper port of each housing is closed by a support cover, the lower end face of the support cover is supported by a pressure-bearing head of the weighing sensor, upper ends of the supporting covers jointly support a load-bearing platform, an inner cavity of each housing is communicated with one end of a first piston cylinder through a communicating body jointly, the other end of the first piston cylinder is communicated with the outside, a first piston is arranged in the first piston cylinder, and hydraulic oil is filled in the inner cavity of each housing, an inner cavity of the communicating body, and an inner cavity of the first piston cylinder sealed by a first piston. The underwater sediment weighing platform is placed on a bed in a river, river water forms same pressures for the upper end of the load-bearing platform and the first piston, the first piston is used for transmitting the borne pressure to the lower end of the load-bearing platform through the hydraulic oil, the pressure of the river water to the weighing sensors is counteracted, and the weighing sensors are capable of accurately measuring a weight electric signal of a sediment deposited on the load-bearing platform.
Description
Technical field
The present invention relates to a kind of weighing device, particularly relate to one silt weighing platform under water.
Background technology
In the test job of water river in Shangdong Province, can relate to the river measurement of mud and sand silting amount or the test of sand cut etc. under water.For example, be the lifting height every year on average of riverbed in measuring and calculating river, need to measure a certain region accumulation of silt within a certain period of time in riverbed, can calculate the annual rise in riverbed by this accumulation.At present, measure a certain region, riverbed means that the accumulation of silt adopts within a certain period of time and be, bottle is put on riverbed, make the silt of bottom, river enter into bottle, then the taking-up of timing, weighs the silt in bottle.The problem that above-mentioned this metering system exists is: labor capacity is large; The data by the silt accumulation in territory, lateral areas that obtain are not accurate enough; Accumulation data in the acquisition silt time period in office that can not be real-time.
Summary of the invention
The object of the present invention is to provide one silt weighing platform under water, this weighing platform is put in river, can measure accurately a certain region accumulation of silt within a certain period of time in riverbed, and the accumulation data of measuring silt one-phase in office that can be real-time, and by this data transmission to receiving processing system.
For achieving the above object, the present invention adopts following scheme: silt weighing platform under water, it has a chassis, on chassis, be fixed with three upper ends uncovered, the case of lower end closed, in each case, be fixed with a LOAD CELLS, the upper port of each case is sealed by support cap, the lower surface of support cap is supported by the pressure bearing head of LOAD CELLS, the upper end of each support cap is supported with a bearing platform jointly, the inner chamber of each case is communicated with one end of a first piston cylinder jointly by a connected component, the other end of first piston cylinder communicates with the external world, in first piston cylinder, first piston is housed, the inner chamber of each case, in the inner chamber of the first piston cylinder that the inner chamber of connected component and first piston seal, be filled with hydraulic oil.
From such scheme, silt weighing platform provided by the invention is placed on the riverbed in river, first piston cylinder is in river with extraneous one end communicating, the cable that each sensor is connect is drawn out on ground and joins with receiving and transmitting unit, can carry out water-bed silt semi-invariant to weigh, due to each case inner chamber, in the inner chamber of the first piston cylinder that the inner chamber of connected component and first piston seal, be filled with hydraulic oil, and first piston cylinder is in river with extraneous one end communicating, upper end and the first piston of river to bearing platform can form identical pressure, first piston can be passed to the pressure being subject to the lower end of bearing platform by hydraulic oil, river is cancelled the pressure of bearing platform, be that river is cancelled the pressure of LOAD CELLS by bearing platform, LOAD CELLS can obtain the electric signal of the silt weight being deposited on bearing platform accurately, and by this weight electric signal transmission to receiving and transmitting unit, convert digital signal to by receiving trap again and be transmitted to data handling system.
The present invention is rational in infrastructure, dependable performance, measures accurately.
Brief description of the drawings
The structural representation of Fig. 1 one embodiment of the invention;
The vertical view of Fig. 2 Fig. 1;
The A-A cut-open view of Fig. 3 Fig. 2;
The B portion enlarged drawing of Fig. 4 Fig. 3;
The C portion enlarged drawing of Fig. 5 Fig. 2.
Embodiment
Further illustrate the present invention below in conjunction with embodiment and accompanying drawing.
Referring to Fig. 1, Fig. 2, Fig. 3
The weighing platform of silt under water provided by the invention, it has a chassis 6, chassis 6 is landed on a bearing 5, on chassis, be fixed with that three upper ends are uncovered, the case 2 of lower end closed, in each case 2, be fixed with a LOAD CELLS 8, the upper port of each case is sealed by support cap 7, and the lower surface of support cap 7 is supported by the pressure bearing head of sensor 8, and the upper end of each support cap is supported with a bearing platform 1 jointly.For the clear structure that represents, in Fig. 2, bearing platform is removed.
Referring to Fig. 1, Fig. 2
The inner chamber of each case 2 is communicated with one end of a first piston cylinder 12 jointly by a connected component 3, the other end of first piston cylinder 12 communicates with the external world, first piston 11 is housed in first piston cylinder 12, in the inner chamber of the first piston cylinder 12 that the inner chamber of each case 2, the inner chamber of connected component 3 and first piston 11 seal, is filled with hydraulic oil.
In the present embodiment, connected component 3 includes the cylindrical shell 3b of a sealing, three the second hydraulic cylinder 3a, the port inner chamber common and cylindrical shell 3b of three the second hydraulic cylinder 3a is connected, the another port of three the first hydraulic cylinder 3a is connected with the inner chamber of three cases 2 respectively, in each second hydraulic cylinder 3a, one second piston 10 is all housed.
Referring to Fig. 3, Fig. 4
Case 2 is cylindric, support cap 7 is constituted by flexible sheet 7b and load-bearing lid 7a, flexible sheet 7b is circular, load-bearing lid 7a is discoid, flexible sheet 7b is connected with the upper surface of load-bearing lid 7a, flexible sheet 7b is by the upper end bearing of case 2, and the lower end of load-bearing lid 7a is landed on the pressure bearing head of LOAD CELLS 7 and connects by bolt 13 between the two.
Referring to Fig. 1, Fig. 5
On each case 2, be connected to a protective cover 15, on case 2, have the through wires hole 2a communicating with protective cover 15 inside, on protective cover 15, be coated with sleeve pipe 16, the cable 9 that LOAD CELLS 8 connects is through through wires hole 2a and sleeve pipe 16, be provided with threaded hole 16a in the external port of sleeve pipe 16, the nut 17 with round table-like endoporus is housed in threaded hole 16a, between nut 17 and cable 9, is provided with round table-like sealing-plug 18, sealing-plug 18 is enclosed within the outside of cable 9 and matches with the endoporus of nut 17.Sealing-plug 18 coordinates with nut 17, can guarantee the external port sealing of the sleeve pipe 16 that cable 9 passes.
Visible in conjunction with Fig. 1, Fig. 2, on bearing platform 1, fix a hopper, after silt weighing platform is placed under water together with hopper by basis, can real-time measurement enter the silt weight in hopper under water.Under water, because first piston cylinder 12 is in river with extraneous one end communicating, and the inner chamber of each case 2, in the inner chamber of the first piston cylinder 12 that the inner chamber of connected component 3 and first piston 11 seal, be filled with hydraulic oil, upper end and the first piston 11 of river to bearing platform 1 can form identical pressure, 11 of first pistons can pass to the second piston 10 by hydraulic oil by the pressure being subject to, by the second piston 10 and pressure oil, pressure is passed to again to the lower end of support cap 7, and be passed to bearing platform 1 lower end by support cap 7 again, like this, the river pressure that bearing platform 1 upper end is subject to is identical with the pressure that bearing platform lower end is subject to hydraulic oil, be that the pressure that river imposes on LOAD CELLS by bearing platform is cancelled.
Claims (4)
1. silt weighing platform under water, it is characterized in that: it has a chassis, on chassis, be fixed with three upper ends uncovered, the case of lower end closed, in each case, be fixed with a LOAD CELLS, the upper port of each case is sealed by support cap, the lower surface of support cap is supported by the pressure bearing head of LOAD CELLS, the upper end of each support cap is supported with a bearing platform jointly, the inner chamber of each case is communicated with one end of a first piston cylinder jointly by a connected component, the other end of first piston cylinder communicates with the external world, in first piston cylinder, first piston is housed, the inner chamber of each case, in the inner chamber of the first piston cylinder that the inner chamber of connected component and first piston seal, be filled with hydraulic oil.
2. the weighing platform of silt under water according to claim 1, it is characterized in that: connected component includes the cylindrical shell of a sealing, three the second hydraulic cylinders, the one port inner chamber common and cylindrical shell of three the second hydraulic cylinders is connected, the another port of three the first hydraulic cylinders is connected with the inner chamber of three cases respectively, and one second piston is all housed in each second hydraulic cylinder.
3. the weighing platform of silt under water according to claim 1, it is characterized in that: case is cylindric, support cap is constituted by flexible sheet and load-bearing lid, it is circular that flexible sheet is, load-bearing lid is discoid, flexible sheet is connected with the upper surface of load-bearing lid, and flexible sheet is by the upper end bearing of case, and the lower end of load-bearing lid is landed on the pressure bearing head of LOAD CELLS and passes through bolt-connection between the two.
4. the weighing platform of silt under water according to claim 1, it is characterized in that: on each case outside, be connected to a protective cover, on case, have the through wires hole communicating with protective cover inside, on protective cover, be coated with sleeve pipe, the cable that LOAD CELLS connects, through through wires hole and sleeve pipe, is provided with threaded hole in the external port of sleeve pipe, and the nut with round table-like endoporus is housed in threaded hole, between nut and cable, be provided with round table-like sealing-plug, sealing-plug is enclosed within the outside of cable and matches with nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410231765.6A CN103968921A (en) | 2014-05-24 | 2014-05-24 | Underwater sediment weighing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410231765.6A CN103968921A (en) | 2014-05-24 | 2014-05-24 | Underwater sediment weighing platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103968921A true CN103968921A (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410231765.6A Pending CN103968921A (en) | 2014-05-24 | 2014-05-24 | Underwater sediment weighing platform |
Country Status (1)
| Country | Link |
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| CN (1) | CN103968921A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371936A (en) * | 2014-09-01 | 2016-03-02 | 西安乐食智能餐具有限公司 | Waterproof weighing device |
| CN106644000A (en) * | 2016-10-10 | 2017-05-10 | 赛摩电气股份有限公司 | High-precision weighing scale and weighing method thereof |
| CN107560698A (en) * | 2017-11-02 | 2018-01-09 | 南京船行天下信息科技有限公司 | A kind of inland navigation craft weighing apparatus |
| CN112362151A (en) * | 2020-10-27 | 2021-02-12 | 四川共享铸造有限公司 | Sand amount monitoring method of sand treatment system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3430263A1 (en) * | 1984-08-17 | 1986-02-27 | Me Meerestechnik-Elektronik Gmbh, 2351 Trappenkamp | Measurement device for sediments which are suspended in watercourses |
| US4903628A (en) * | 1988-11-07 | 1990-02-27 | William Lansford | Pressure equalizer |
| CN2795839Y (en) * | 2005-05-13 | 2006-07-12 | 吉林华衡传感器有限公司 | Pressure automatic compensator for under water sensor |
| CN203534792U (en) * | 2013-10-25 | 2014-04-09 | 水利部交通运输部国家能源局南京水利科学研究院 | Bottom-sitting all-weather bed load sediment real-time monitor |
| CN203881419U (en) * | 2014-05-24 | 2014-10-15 | 蚌埠日月仪器研究所有限公司 | Underwater slit weighing platform |
-
2014
- 2014-05-24 CN CN201410231765.6A patent/CN103968921A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3430263A1 (en) * | 1984-08-17 | 1986-02-27 | Me Meerestechnik-Elektronik Gmbh, 2351 Trappenkamp | Measurement device for sediments which are suspended in watercourses |
| US4903628A (en) * | 1988-11-07 | 1990-02-27 | William Lansford | Pressure equalizer |
| CN2795839Y (en) * | 2005-05-13 | 2006-07-12 | 吉林华衡传感器有限公司 | Pressure automatic compensator for under water sensor |
| CN203534792U (en) * | 2013-10-25 | 2014-04-09 | 水利部交通运输部国家能源局南京水利科学研究院 | Bottom-sitting all-weather bed load sediment real-time monitor |
| CN203881419U (en) * | 2014-05-24 | 2014-10-15 | 蚌埠日月仪器研究所有限公司 | Underwater slit weighing platform |
Non-Patent Citations (1)
| Title |
|---|
| 周知进等: "深海环境对信号采集的影响研究", 《传感技术学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371936A (en) * | 2014-09-01 | 2016-03-02 | 西安乐食智能餐具有限公司 | Waterproof weighing device |
| CN106644000A (en) * | 2016-10-10 | 2017-05-10 | 赛摩电气股份有限公司 | High-precision weighing scale and weighing method thereof |
| CN107560698A (en) * | 2017-11-02 | 2018-01-09 | 南京船行天下信息科技有限公司 | A kind of inland navigation craft weighing apparatus |
| CN112362151A (en) * | 2020-10-27 | 2021-02-12 | 四川共享铸造有限公司 | Sand amount monitoring method of sand treatment system |
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Application publication date: 20140806 |