CN105203401A - Rapid plate load testing instrument - Google Patents
Rapid plate load testing instrument Download PDFInfo
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- CN105203401A CN105203401A CN201510674103.0A CN201510674103A CN105203401A CN 105203401 A CN105203401 A CN 105203401A CN 201510674103 A CN201510674103 A CN 201510674103A CN 105203401 A CN105203401 A CN 105203401A
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- measuring device
- bearing plate
- data processing
- displacement
- testing
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Abstract
The invention discloses a rapid plate load testing instrument which comprises a testing bridge and a bearing plate, wherein a pressure measuring device is arranged on the bearing plate; a jack is arranged on the pressure measuring device; a displacement measuring device is arranged on the testing bridge; probes on the displacement measuring device are in contact with one surface of the bearing plate; the pressure measuring device and the displacement measuring device are connected with a data processing device through conducting wires respectively; a bracket is arranged on the testing bridge; the displacement measuring device is mounted on the bracket; the jack comprises an oil cylinder; the oil cylinder is connected with a manual pump; a control value is arranged on the oil supply pipeline of the manual pump, and connected with the data processing device through a conducting wire; the upper surface of the bearing plate is horizontal, and a spirit level is arranged on the upper surface of the bearing plate; the lower surface of the bearing plate is a slope of 1-6 degrees; the data processing device can be utilized for acquiring testing data from a sensor and controlling open-close of the control valve on the jack. The rapid plate load testing instrument has the advantages of being high in mounting speed, simple and convenient to operate, and accurate and objective in result; meanwhile, the testing period is shortened, and the work intensity of testing personnel is reduced.
Description
Technical field
The present invention relates to a kind of checkout equipment, particularly relate to a kind of Quick plane plate load test instrument.
Background technology
Plate is the common method for detecting Subgrade Compaction Quality, mainly comprise ground coefficient K30 test and secondary deformation modulus Ev2 test.Traditional plate method is by different-diameter loading plate repeated loading or unloading, judges soil compaction quality according to its load and deflection relation.Traditional detection instrument in use shows certain weak point, on the one hand because roadbed considers that when designing draining needs, the weathering of certain slope can be made to both sides by line midline, as 2%, 4%, in order to the level of loading plate during warranty test, usual before the test test surfaces to be dug to level, or adopt dry sand, gypsum putty etc. that test surfaces is adjusted to level; On the other hand, in process of the test, need keep the regular hour at constant pressure, as required in railway engineering, ground coefficient K30 is tested, and all keeps constant voltage to be no less than 3min under 0.04MPa, 0.08MPa, 0.12MPa equal pressure.At present in test due to cannot constant pressure be kept, therefore by artificial constantly ftercompction.Above two aspects, will cause the inaccurate of plate result, and increase human factor impact in process of the test.
Summary of the invention
The object of this invention is to provide a kind of easy and simple to handle, result accurately objective Quick plane plate load test instrument.
The object of the invention is to be achieved through the following technical solutions:
Quick plane plate load test instrument of the present invention, comprise and survey bridge, loading plate, described loading plate is provided with device for pressure measurement, described device for pressure measurement is provided with lifting jack, described survey bridge is provided with displacement measuring device, the chaining pin of institute's displacement measurement device and the surface contact of described loading plate, described device for pressure measurement and displacement measuring device are respectively by wire and data processing equipment.
As seen from the above technical solution provided by the invention, the Quick plane plate load test instrument that the embodiment of the present invention provides, bridge, loading plate is surveyed owing to comprising, loading plate is provided with device for pressure measurement, device for pressure measurement is provided with lifting jack, surveys bridge and is provided with displacement measuring device, the chaining pin of displacement measuring device and the surface contact of loading plate, device for pressure measurement and displacement measuring device, respectively by wire and data processing equipment, have easy and simple to handle, the result accurately advantage such as objective.
Accompanying drawing explanation
The structural representation of the Quick plane plate load test instrument that Fig. 1 provides for the embodiment of the present invention.
In figure:
1-surveys the manual pump of the oil cylinder 3-displacement measuring device 4-operation valve 5-data processing equipment 6-device for pressure measurement 7-loading plate 8-lifting jack of bridge 2-lifting jack.
Embodiment
To be described in further detail the embodiment of the present invention below.
Quick plane plate load test instrument of the present invention, its preferably embodiment be:
Comprise and survey bridge, loading plate, described loading plate is provided with device for pressure measurement, described device for pressure measurement is provided with lifting jack, described survey bridge is provided with displacement measuring device, the chaining pin of institute's displacement measurement device and the surface contact of described loading plate, described device for pressure measurement and displacement measuring device are respectively by wire and data processing equipment.
Described survey bridge is provided with support, and institute's displacement measurement device is arranged on described support.
Described lifting jack comprises oil cylinder, and described oil cylinder is connected with manual pump, and the oil feed line of described manual pump is provided with operation valve, and described operation valve is connected with described data processing equipment by wire.
The upper surface of described loading plate is level and is provided with spirit bubble, and the lower surface of described loading plate is the inclined-plane of inclination 1%-6%.
Institute's displacement measurement device is hundred clock gauges or displacement transducer.
Described device for pressure measurement is pressure transducer or LOAD CELLS.
Data processing equipment, can the test figure of pick-up transducers, and operates the operation valve opening and closing of lifting jack.
Specific embodiment:
As shown in Figure 1, the basic step using Quick plane plate load test instrument to carry out testing is as follows:
1. on road bed to be detected, selected test point.
2. assemble instrument, displacement tester is fixed on the support of survey bridge, and the probe of displacement tester contacts with loading plate end face.Loading plate is directly positioned on road bed, without the need to smooth in advance, and the oil cylinder of its top placement force proving installation, lifting jack successively.Data processing equipment is connected with the operation valve of displacement tester, pressure test device and lifting jack respectively.
3. carry out load or unload test, in process of the test, when arriving the spot pressure of regulatory requirements, data processing equipment makes operation valve close, and keeps pressure constant state.
4. when after arrival official hour, data processing equipment makes operation valve open, and proceeds load or unload operation, and so forth until off-test.
5. after off-test, data processing equipment can calculate test findings automatically, and by mini-printer field print, the data that also can be connected with computing machine are transmitted.
Quick plane plate load test instrument of the present invention, has that installation rate is fast, easy and simple to handle, a result accurately advantage such as objective.Before test, do not need to dig level road basal plane, avoid the test error that classic method leveling test surfaces brings, the oil pressure of automatic control jack, enables pressure keep constant, improves test accuracy simultaneously, save test period, reduce the labour intensity of testing crew.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (6)
1. a Quick plane plate load test instrument, it is characterized in that, comprise and survey bridge, loading plate, described loading plate is provided with device for pressure measurement, described device for pressure measurement is provided with lifting jack, described survey bridge is provided with displacement measuring device, and the chaining pin of institute's displacement measurement device and the surface contact of described loading plate, described device for pressure measurement and displacement measuring device are respectively by wire and data processing equipment.
2. Quick plane plate load test instrument according to claim 1, is characterized in that, described survey bridge is provided with support, and institute's displacement measurement device is arranged on described support.
3. Quick plane plate load test instrument according to claim 1, it is characterized in that, described lifting jack comprises oil cylinder, and described oil cylinder is connected with manual pump, the oil feed line of described manual pump is provided with operation valve, and described operation valve is connected with described data processing equipment by wire.
4. Quick plane plate load test instrument according to claim 1, is characterized in that, the upper surface of described loading plate is level and is provided with spirit bubble, and the lower surface of described loading plate is the inclined-plane of inclination 1%-6%.
5. Quick plane plate load test instrument according to claim 1, is characterized in that, institute's displacement measurement device is hundred clock gauges or displacement transducer.
6. Quick plane plate load test instrument according to claim 1, is characterized in that, described device for pressure measurement is pressure transducer or LOAD CELLS.
Priority Applications (1)
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CN201510674103.0A CN105203401A (en) | 2015-10-16 | 2015-10-16 | Rapid plate load testing instrument |
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CN201510674103.0A CN105203401A (en) | 2015-10-16 | 2015-10-16 | Rapid plate load testing instrument |
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CN105203401A true CN105203401A (en) | 2015-12-30 |
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CN201510674103.0A Pending CN105203401A (en) | 2015-10-16 | 2015-10-16 | Rapid plate load testing instrument |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106769499A (en) * | 2016-11-11 | 2017-05-31 | 北京高铁建科技发展有限公司 | Flat plate load-bearing tester and its method of testing |
CN107132125A (en) * | 2017-05-19 | 2017-09-05 | 铜陵长江金刚石工具有限责任公司 | A kind of slope pavement load test instrument |
CN108396660A (en) * | 2018-02-14 | 2018-08-14 | 谢晓燕 | A kind of bridge part deviation correcting device based on bridge security performance |
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CN106769499A (en) * | 2016-11-11 | 2017-05-31 | 北京高铁建科技发展有限公司 | Flat plate load-bearing tester and its method of testing |
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CN108396660A (en) * | 2018-02-14 | 2018-08-14 | 谢晓燕 | A kind of bridge part deviation correcting device based on bridge security performance |
CN108396660B (en) * | 2018-02-14 | 2021-07-23 | 山西路桥第五工程有限公司 | Bridge local deviation correcting device based on bridge safety performance |
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