CN202153148U - Hydraulic weighing apparatus - Google Patents
Hydraulic weighing apparatus Download PDFInfo
- Publication number
- CN202153148U CN202153148U CN2011202933240U CN201120293324U CN202153148U CN 202153148 U CN202153148 U CN 202153148U CN 2011202933240 U CN2011202933240 U CN 2011202933240U CN 201120293324 U CN201120293324 U CN 201120293324U CN 202153148 U CN202153148 U CN 202153148U
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- weighing
- hydraulic
- hydraulic jack
- lifting
- jack
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Abstract
The utility model provides a hydraulic weighing apparatus, comprising three hydraulic jacks, a plunger type oil pump, a solenoid valve, a control cabinet, a weighing tray and a weighing instrument, wherein the three hydraulic jacks are arranged on the weighing tray in a shape of triangle, and the solenoid valve is arranged in a pipeline connecting the hydraulic jacks and an oil tank. In the utility model, the weighing sensors are arranged in the shape of triangle, thereby enabling the control loops of the sensors and the hydraulic jacks to be least and being stable in lifting; a servo motor is used for driving the oil pump as three channels and lifting the hydraulic jacks in cooperation with the mode of feeding oil to the hydraulic jacks, of the solenoid valve, thereby greatly reducing the size and weight of the apparatus; and the hydraulic weighing apparatus is small in volume, light in weight, high in precision, and excellent in portability, and can be used for weighing a mine car, also for weighing large block of heavy objects with abnormal surfaces, such as concave surface container, giant-scale ore and metal block, etc.
Description
Technical field
The utility model relates to a kind of Weighing system, relates in particular to a kind of self-adaptive hydraulic meausring apparatus.
Background technology
In the prior art, the equipment that is used to weigh mainly contains to hang to be claimed and weighbridge.Because there is the problem that physical dimension is excessive or semi-girder is swung in the mode of slinging; For large-scale material that can't hang title or heavy-duty vehicle mainly is to be called the master with weighbridge; Need weighed object be placed on the weighing plate in the weighing process; But for weigh thousands of kilograms large-scale material transportation and lift to the weighbridge and inconvenient, need very big man power and material, particularly for the very difficult realization in the backcountry that not have transportation and hanging device.And for the irregular large-scale material in bottom (for example the shape of mine car bottom is uneven, and mine car takes up an area of long-pending greater than weighing face), owing to weigh face not on a surface level, focusing surface is difficult to contact with the face of weighing, and is difficult to realize weighing accurately.
The utility model content
To the above-mentioned deficiency that prior art exists, the purpose of the utility model is to provide a kind of a kind of hydraulic pressure meausring apparatus that large-scale material or heavy-duty vehicle are accurately weighed that solves.
To achieve these goals, the technical scheme of the utility model employing is: a kind of hydraulic weighing device is characterized in that comprising: hydraulic jack: be located on the weighing plate, be used to support the object of treating weighing; Plunger oil pump: be used for sending oil to hydraulic jack; Switch board: comprise processing/display module and electrical control module, be used for to the electrical equipment control of (comprising solenoid valve etc.); Weighing plate: be used for the support hydraulic pressure lifting jack, its bottom is provided with weighing instrument; Weighing instrument: comprise pressure transducer, the object that is used to treat weighing measures; Base: said weighing instrument is installed on the base; Said hydraulic jack is three, and three hydraulic jack are triangular in shape is arranged on the weighing plate for this; Be equipped with a solenoid valve on each hydraulic jack and the pipeline that fuel tank links to each other.Said weighing instrument adopts existing mature technology to get final product.
As preferably, said pressure transducer is the beam type pressure transducer, and be three corresponding with each hydraulic jack respectively.
Further, said solenoid valve is used for the independent oil supply to said hydraulic jack for exchanging the unidirectional electrical magnet valve; Also be respectively equipped with hand valve on each hydraulic jack and the pipeline that fuel tank links to each other, the oil plant of the hydraulic jack that is used to release.
Compared with prior art, the advantage of the utility model is:
1, this device has initiatively lifting function of self-adaptation, can carry out weighing safely and effectively: LOAD CELLS setting triangular in shape, and make the control loop of LOAD CELLS, hydraulic jack minimum, lifting is stable;
2, adopt the mode lifting lifting jack of three road fuel feeding, can effectively prevent to cause lifting jack lifting mistake, prevent that mine car from being pushed up tiltedly or knocking over;
3, adopt to exchange the unidirectional electrical magnet valve to the release oil plant cooperating of hydraulic jack of said hydraulic jack independent oil supply and hand valve, reliability is better.
4, this device volume is little, and is in light weight, and precision is high, and good portability not only can the weighing mine car, also can be used for bulk weight such as the concave surface container of weighing surface abnormity, huge ore, derby etc.;
Description of drawings
Fig. 1 is the structural representation of the utility model self-adaptive hydraulic meausring apparatus;
Fig. 2 is that the utility model is sought the synoptic diagram of object surface of contact during the stage;
Fig. 3 is the utility model synoptic diagram of lifting during the stage one by one.
Embodiment
To combine accompanying drawing and embodiment that the utility model is described further below.
Embodiment 1: referring to Fig. 1, a kind of hydraulic weighing device comprises: hydraulic jack 1: be located on the weighing plate 2, be used to support the object of treating weighing; Plunger oil pump 3: send pressure to hydraulic jack 1, this plunger oil pump is arranged in the fuel tank 9; Be provided with solenoid valve and realize independent oil supply and draining to hydraulic jack 1.6 pairs of whole devices of switch board by comprising processing/display module 61 and electrical control module 62 carry out electrical control.Weighing plate 2 is used for the support hydraulic pressure lifting jack, and its bottom is provided with weighing instrument; Weighing instrument adopts existing matured product, comprises LOAD CELLS 7, and the object 10 that is used to treat weighing measures; Base 8: said weighing instrument is installed on the base; Said hydraulic jack 1 is three, and three hydraulic jack 1 triangular in shape being arranged on the weighing plate 2; Be equipped with a solenoid valve 4 on each hydraulic jack 1 and the pipeline that fuel tank links to each other.
As a kind of optimal way, three triangles that hydraulic jack surrounded are equilateral triangle; Corresponding, the triangle that three LOAD CELLSs surround also is equilateral triangle.Said pressure transducer is the beam type pressure transducer, and be three corresponding with each hydraulic jack respectively.The setting triangular in shape of the utility model LOAD CELLS, sensor, hydraulic jack, control loop are minimum like this, and lifting is stable, and each lifting jack carries the weight of mine car or other large-scale materials separately.
Owing to treat that possibly there is off-centre in the object of weighing; If three tunnel while fuel feeding always to the reason of the little direction stream of pressure, occur lifting jack lifting mistake according to liquid easily; Cause the object of treating weighing to be pushed up tiltedly or knock over; This device adopts a three-phase ac servo motor to drive plunger oil pump to the oil circuit fuel feeding, through three the tunnel exchange the unidirectional electrical magnet valves unlatching realize independent oil supply to three lifting jack, through the switch of the hand valve oil plant of releasing.The purpose of doing like this is to have realized synchronously and pressurization one by one, and for realizing following pressuring method condition is provided, the unidirectional electrical magnet valve is used in combination with hand valve, and purpose is that normal oil return of assurance and pressurization back are oil-proof, and the realization self-adaptive hydraulic is weighed.
The whole control process of this device realizes through the electrical control module module that controls cashier's office in a shop, and by data such as processing/display module module output measurement results.
Have the object in space for bottoms such as mine cars, can this device be placed this object below, realize that through the control hydraulic jack object of treating weighing weighs then; For objects such as huge ore, derbies; Can object be sling; Then this device is placed this object below; Also can below this object, dig a pit that can hold this device, this device is placed in this pit, realize that through the control hydraulic jack object of treating weighing weighs then.
Embodiment 2: as shown in Figure 1, different with embodiment 1 is, said solenoid valve is for exchanging the unidirectional electrical magnet valve, and the unlatching of solenoid valve realizes the independent oil supply to lifting jack; Also be respectively equipped with hand valve on each hydraulic jack and the pipeline that fuel tank links to each other, the oil plant of the hydraulic jack that is used to release can improve the stability and the reliability of total system.
Because the mine car loading mass exists eccentric, if three tunnel while fuel feeding always to the reason of the little direction stream of pressure, possibly cause lifting jack lifting mistake according to liquid, mine car is pushed up tiltedly, is knocked over.In order to let lifting jack find, designed a kind of novel pressurization fuel system by the surface of contact of weighing object 9.Always flow to the low pressure place according to liquid, and be the reason of certain value at the certain pressure lower plunger formula oil pump fuel delivery that whenever turns around, the utility model was divided into for two steps with pressure process: the first step is to seek the object surface of contact stage; Second step was the progressively lifting stage.
The first step: as shown in Figure 2, seek the object surface of contact stage:
This stage three-way electromagnetic valve all is opened; If this moment, lifting jack B took the lead in having touched by weighing object 10; It can receive certain pressure, and at this moment oil plant can all have certain pressure promptly all to touch object on No. three lifting jack more to lifting jack A, C fuel feeding; General pressure greater than preset threshold after, switch to subordinate phase---lifting stage one by one.
Second step: as shown in Figure 3, lifting stage one by one:
This stage three-way electromagnetic valve is opened successively and is kept the identical time, and the oil mass of confessing in the identical time according to plunger oil pump is certain principle, and lifting jack A, B, C are the identical height that raises successively; At this moment, according to the force value that each LOAD CELLS detected, independent control hydraulic jack is gone up and down; Make the force value that each LOAD CELLS detects equate that three-way electromagnetic valve is opened successively and kept the identical time then, once more according to force value that each LOAD CELLS detected; Independent control hydraulic jack is gone up and down, and the force value that each LOAD CELLS is detected equates, so repeats; Up to whole object jack-up of treating weighing, at this moment, treat that the object of weighing only receives the effect on three hydraulic pressure a thousand pieces of gold tops; Thereby realize to treat the object lifting of weighing, weigh automatically simultaneously.In the whole process; Every rising certain distance; Just the center of gravity of the object of weighing is once treated in adjustment, the center of gravity that makes the object of treating weighing behind the certain distance that do not raise all the time with three triangle geometry center basically identicals that hydraulic jack surrounded, in whole lifting process, can keep well like this treating weighing object steadily; Be difficult for or translate into, the weighing process is also safer.
Claims (3)
1. a hydraulic weighing device is characterized in that, comprising:
Hydraulic jack: be located on the weighing plate, be used to support the object of treating weighing;
Plunger oil pump: be used for sending oil to hydraulic jack;
Switch board: comprise processing/display module and electrical control module, be used for control to electrical equipment;
Weighing plate: be used for the support hydraulic pressure lifting jack, its bottom is provided with weighing instrument;
Weighing instrument: comprise pressure transducer, the object that is used to treat weighing measures;
Base: said weighing instrument is installed on the base;
Said hydraulic jack is three, and three hydraulic jack are triangular in shape is arranged on the weighing plate for this; Be equipped with a solenoid valve on each hydraulic jack and the pipeline that fuel tank links to each other.
2. according to the said hydraulic pressure meausring apparatus of claim 1, it is characterized in that: said solenoid valve is used for the independent oil supply to said hydraulic jack for exchanging the unidirectional electrical magnet valve; Also be respectively equipped with hand valve on each hydraulic jack and the pipeline that fuel tank links to each other, the oil plant of the hydraulic jack that is used to release.
3. according to the said hydraulic pressure meausring apparatus of claim 1, it is characterized in that: said pressure transducer is the beam type pressure transducer, and be three corresponding with each hydraulic jack respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202933240U CN202153148U (en) | 2011-08-12 | 2011-08-12 | Hydraulic weighing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202933240U CN202153148U (en) | 2011-08-12 | 2011-08-12 | Hydraulic weighing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202153148U true CN202153148U (en) | 2012-02-29 |
Family
ID=45693643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202933240U Expired - Fee Related CN202153148U (en) | 2011-08-12 | 2011-08-12 | Hydraulic weighing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202153148U (en) |
Cited By (2)
| 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 |
| DE102017210346A1 (en) * | 2017-06-21 | 2018-12-27 | Bayerische Motoren Werke Aktiengesellschaft | Measuring device for weighing a arranged on a motor vehicle component and measuring method |
-
2011
- 2011-08-12 CN CN2011202933240U patent/CN202153148U/en not_active Expired - Fee Related
Cited By (2)
| 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 |
| DE102017210346A1 (en) * | 2017-06-21 | 2018-12-27 | Bayerische Motoren Werke Aktiengesellschaft | Measuring device for weighing a arranged on a motor vehicle component and measuring method |
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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: 20120229 Termination date: 20140812 |
|
| EXPY | Termination of patent right or utility model |