CN201434717Y - Large-sized structure weighting device based on detection of low-oil pressure built-in weight sensor - Google Patents
Large-sized structure weighting device based on detection of low-oil pressure built-in weight sensor Download PDFInfo
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- CN201434717Y CN201434717Y CN2009200967423U CN200920096742U CN201434717Y CN 201434717 Y CN201434717 Y CN 201434717Y CN 2009200967423 U CN2009200967423 U CN 2009200967423U CN 200920096742 U CN200920096742 U CN 200920096742U CN 201434717 Y CN201434717 Y CN 201434717Y
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Abstract
The utility model discloses a large-sized structure weighting device based on the detection of a low-oil pressure built-in weight sensor. The large-sized structure weighting device comprises an oil pump and a hydraulic valve box connected with an oil outlet of the oil pump through an oil outlet pipe of the oil pump mounted with a flow rate control valve, wherein control lines mounted with solenoidvalves are mounted in the hydraulic valve box, ,the oil outlet of each control line is connected with jacks through the oil outlet pipe mounted with a hydraulic control one-way valve box, an oil outlet of each jack is connected with an inlet of a collection device through an oil return pipe, and an outlet of the collection device is connected with the oil pump through an oil pump oil return pipemounted with a pressure sensor; a weight sensor is mounted on the jack, and a displacement transducer is mounted on a structure support; a patrolling instrument is used for reading the weight, pressure and the output signal of the displacement transducer and transmitting the signals to a computer, and the computer sends out the control signal to the solenoid valve through the patrolling instrument. The device can ensure the overall stability and security under the situation that the large-sized structure is equipped with the weighting system.
Description
Technical field
The utility model relates to a kind of weighing device, relates in particular to a kind of large structure weighing device that detects based on the built-in weight sensor of low oil pressure.
Background technology
The employed lifting jack of large structure weighing device has two kinds at present, and first ordinary jack highly increases much behind the erection weight sensor, and resistance to overturning and security reduce greatly; Another kind is the hollow lifting jack, and sensor is built in the lifting jack, domestic also not use, though use is arranged abroad, hydraulic system pressure is higher, is 43MPa.The top pressure of domestic hydraulic control component commonly used is 32MPa.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of large structure weighing device based on the built-in weight sensor detection of low oil pressure that can guarantee resistance to overturning and security is provided.
The purpose of this utility model realizes by following proposal:
The large structure weighing device that detects based on the built-in weight sensor of low oil pressure of the present utility model, it comprises oil pump, the hydraulic pressure clack box that links to each other by the oil pump outlet line that flowrate control valve is housed on it with the oil-out of described oil pump, be provided with link to each other with the outlet of described oil pump outlet line and at least one pilot piping that the 2/2-way solenoid valve is housed on it of its inlet in the described hydraulic pressure clack box, the oil-out of described each pilot piping links to each other with the oiler that is installed at least one lifting jack that is positioned at the thing fulcrum below of weighing by a hydraulic pressure clack box flowline that hydraulic control one-way valve is housed on it, the oil-out of described each lifting jack is the inlet by a scavenge pipe and a junction station respectively, the inlet of described hydraulic control one-way valve links to each other, the outlet of described junction station links to each other with described oil pump oil return opening by the oil pump scavenge pipe that pressure transducer is housed on it, a built-in weight sensor is housed on the lifting jack cylinder barrel of described each lifting jack, a displacement transducer is installed in the described works that is positioned at the thing fulcrum below of weighing and supports, a Programmable Logic Controller logging is used to read described built-in weight sensor by the sensor signal cable, pressure transducer, the output signal of displacement transducer and this signal is carried out being transferred to a computing machine by communication network after the analog to digital conversion, described computing machine are used to receive and store the output signal that comes from described Programmable Logic Controller logging and send control signal by described logging to described 2/2-way solenoid valve.
The beneficial effects of the utility model are to guarantee resistance to overturning and the security of large structure under the situation of assembling weighing system on the basis of adopting homemade Hydraulic Elements.
Description of drawings
Fig. 1 is the connection diagram of the large structure weighing device that detects based on the built-in weight sensor of low oil pressure of the present utility model.
Fig. 2 is the control principle figure of device shown in Figure 1;
Fig. 3 is the lifting jack partial assembled synoptic diagram shown in Fig. 1.
Embodiment
The large structure weighing device that detects based on the built-in weight sensor of low oil pressure of the present utility model as Figure 1-3, it comprises oil pump 1, the hydraulic pressure clack box 4 that links to each other by the oil pump outlet line 2 that flowrate control valve 3 is housed on it with the oil-out of described oil pump 1, be provided with its inlet and at least one pilot piping that 2/2-way solenoid valve it on be housed that link to each other in the described hydraulic pressure clack box 4 with the outlet of described oil pump outlet line 2, the oil-out of described each pilot piping is positioned at the oiler that works supports a lifting jack of below and links to each other with being installed in by a hydraulic pressure clack box flowline that hydraulic control one-way valve 6 is housed on it, the oil-out of described each lifting jack is the inlet by a scavenge pipe and a junction station 10 respectively, the inlet of described hydraulic control one-way valve 6 links to each other, the outlet of described junction station 10 links to each other with the oil return opening of described oil pump by the oil pump scavenge pipe that pressure transducer 11 is housed on it, a built-in weight sensor 8 is housed on the lifting jack cylinder barrel 20 of described each lifting jack 7, a Programmable Logic Controller logging is used to read described built-in weight sensor 8 by the sensor signal cable, pressure transducer 11, be installed in displacement transducer 12 output signals that the described works that is positioned at the thing fulcrum below of weighing supports and this signal is carried out being transferred to a computing machine 13 by communication network 14 after the analog to digital conversion, described computing machine 13 is used to receive and store the output signal that comes from described Programmable Logic Controller logging 6 and sends control signal 17 by described logging to described 2/2-way solenoid valve.Apparatus of the present invention in use can pre-determine a plurality of fulcrums of the thing of weighing, and the works of installing below each fulcrum as shown in fig. 1 supports 31 then, and described displacement transducer 12 is installed in works and supports the variable in distance that detects fulcrum and ground on 31.
Described flowrate control valve can be manual solenoid valve or solenoid electric valve, and when adopting solenoid electric valve, described solenoid electric valve receives described computer control signal to control its aperture.
Details are as follows with the principle of work of this device below:
Large structure weighing system uphill process, each fulcrum carries out synchronous detection by displacement transducer in this device.The fulcrum that the displacement transducer testing result is lower is controlled the lifting jack oil supply by the Programmable Logic Controller logging, the switch of the solenoid valve of Programmable Logic Controller logging Control Flow operation valve turnover flow and hydraulic pressure clack box is controlled the jack pressure balance that each hydraulic pressure clack box is connected.The upper oil cavitie of lifting jack is equipped with pressure transducer and carries out the return pressure detection.
Large structure weighing system weighing process, each fulcrum carries out synchronous detection by displacement transducer in this device.Behind the whole built on stilts of works, there is PLC that the embedded weight sensor of weighing is carried out reading, calculates according to following formula: W=∑ Wi, barycentric coordinates X=(∑ Wi * Xi)/W, Y=(∑ Wi * Yi)/W, W general assembly (TW) wherein, Wi is that i the weight sensor of weighing carries out reading, X, Y is works X, Y direction plane barycentric coordinates, Xi, Yi are i weigh weight sensor X, Y direction coordinate, and ∑ is the weight sensor quantity summation of weighing.
Large structure weighing system decline process, each fulcrum carries out synchronous detection by displacement transducer in this device.The fulcrum that the displacement transducer testing result is higher is controlled the lifting jack oil supply by the Programmable Logic Controller logging, the switch of the solenoid valve of Programmable Logic Controller logging Control Flow operation valve turnover flow and hydraulic pressure clack box is controlled the jack pressure balance that each hydraulic pressure clack box is connected.The upper oil cavitie of lifting jack is equipped with pressure transducer and carries out the return pressure detection.
This device adopts modular construction, according to the size of actual weighing structure with vary in weight, can combination in any prop up number of spots, hydraulic valve box number and lifting jack quantity.
Claims (3)
1. the large structure weighing device that detects based on the built-in weight sensor of low oil pressure, it is characterized in that: it comprises oil pump, the hydraulic pressure clack box that links to each other by the oil pump outlet line that flowrate control valve is housed on it with the oil-out of described oil pump, be provided with link to each other with the outlet of described oil pump outlet line and at least one pilot piping that the 2/2-way solenoid valve is housed on it of its inlet in the described hydraulic pressure clack box, the oil-out of described each pilot piping links to each other with the oiler that is installed at least one lifting jack that is positioned at the thing fulcrum below of weighing by a hydraulic pressure clack box flowline that hydraulic control one-way valve is housed on it, the oil-out of described each lifting jack is the inlet by a scavenge pipe and a junction station respectively, the inlet of described hydraulic control one-way valve links to each other, the outlet of described junction station links to each other with described oil pump oil return opening by the oil pump scavenge pipe that pressure transducer is housed on it, a built-in weight sensor is housed on the lifting jack cylinder barrel of described each lifting jack, a displacement transducer is installed in the described works that is positioned at the thing fulcrum below of weighing and supports, a Programmable Logic Controller logging is used to read described built-in weight sensor by the sensor signal cable, pressure transducer, the output signal of displacement transducer and this signal is carried out being transferred to a computing machine by communication network after the analog to digital conversion, described computing machine are used to receive and store the output signal that comes from described Programmable Logic Controller logging and send control signal by described logging to described 2/2-way solenoid valve.
2. the large structure weighing device that detects based on the built-in weight sensor of low oil pressure according to claim 1, it is characterized in that: described flowrate control valve is manual solenoid valve.
3. the large structure weighing device that detects based on the built-in weight sensor of low oil pressure according to claim 1, it is characterized in that: described flowrate control valve is a solenoid electric valve, and described solenoid electric valve receives the signal of described its aperture of computer control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200967423U CN201434717Y (en) | 2009-05-14 | 2009-05-14 | Large-sized structure weighting device based on detection of low-oil pressure built-in weight sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200967423U CN201434717Y (en) | 2009-05-14 | 2009-05-14 | Large-sized structure weighting device based on detection of low-oil pressure built-in weight sensor |
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|---|---|
| CN201434717Y true CN201434717Y (en) | 2010-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009200967423U Expired - Fee Related CN201434717Y (en) | 2009-05-14 | 2009-05-14 | Large-sized structure weighting device based on detection of low-oil pressure built-in weight sensor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338657A (en) * | 2011-08-12 | 2012-02-01 | 重庆市计量质量检测研究院 | Adaptive hydraulic weighing device |
| CN103743457A (en) * | 2013-12-31 | 2014-04-23 | 惠生（南通）重工有限公司 | Method for weighing large-sized structural member |
| CN107843320A (en) * | 2017-10-31 | 2018-03-27 | 中铁四局集团钢结构建筑有限公司 | A kind of spatial steel structure end reaction carry out circulation weigh measure devices and methods therefor |
| CN109029675A (en) * | 2018-09-05 | 2018-12-18 | 广州达欧技术检测有限公司 | A kind of big machinery assembly quality determining method |
| CN114518155A (en) * | 2022-01-21 | 2022-05-20 | 海洋石油工程（青岛）有限公司 | Weighing device based on self-propelled module transport vechicle |
-
2009
- 2009-05-14 CN CN2009200967423U patent/CN201434717Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338657A (en) * | 2011-08-12 | 2012-02-01 | 重庆市计量质量检测研究院 | Adaptive hydraulic weighing device |
| CN103743457A (en) * | 2013-12-31 | 2014-04-23 | 惠生（南通）重工有限公司 | Method for weighing large-sized structural member |
| CN107843320A (en) * | 2017-10-31 | 2018-03-27 | 中铁四局集团钢结构建筑有限公司 | A kind of spatial steel structure end reaction carry out circulation weigh measure devices and methods therefor |
| CN109029675A (en) * | 2018-09-05 | 2018-12-18 | 广州达欧技术检测有限公司 | A kind of big machinery assembly quality determining method |
| CN114518155A (en) * | 2022-01-21 | 2022-05-20 | 海洋石油工程（青岛）有限公司 | Weighing device based on self-propelled module transport vechicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100331 Termination date: 20150514 |
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| EXPY | Termination of patent right or utility model |