CN104612123A - Automatic checking device used for foundation coefficient tester - Google Patents
Automatic checking device used for foundation coefficient tester Download PDFInfo
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- CN104612123A CN104612123A CN201510073780.7A CN201510073780A CN104612123A CN 104612123 A CN104612123 A CN 104612123A CN 201510073780 A CN201510073780 A CN 201510073780A CN 104612123 A CN104612123 A CN 104612123A
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Abstract
The invention discloses an automatic checking device used for a foundation coefficient tester. The automatic checking device comprises a counterforce device, a force or pressure sensor and an electronic testing device, the counterforce device is used for being connected with a jack, the force or pressure sensor is used for being arranged above or below the jack, the electronic testing device is connected with the force or pressure sensor and used for collecting a loading value of each stage of a sensor end, collecting or setting a loading value of each stage of an oil pressure meter, setting area of a load-bearing plate and outputting a correlative equation between an oil pressure indication value and standard load-bearing strength of the load-bearing plate. According to the automatic checking device, the electronic testing device can be utilized to collect the loading value of each stage of the sensor end, collect or set the loading value of each stage of the oil pressure meter and output the correlative equation between the oil pressure indication value and the standard load-bearing strength of the load-bearing plate so as to complete checking or rating. In this way, manpower is not needed to record data in the process of checking, and checking or rating results can be output automatically, so that checking is time saving, labor saving, high in speed and accurate and objective in result.
Description
Technical field
The present invention relates to a kind of automatic check device for coefficient of subgrade reaction tester and the automatic Verification method for coefficient of subgrade reaction tester.
Background technology
Coefficient of subgrade reaction is the mechanical index of evaluation railway bed compaction quality, its test adopts coefficient of subgrade reaction tester to measure the soil body under load action, the ratio of the intensity of load corresponding to deflection a reference value and deflection a reference value, railway engineering earthwork test rule regulation deflection a reference value is 1.25mm.For ensureing Subgrade Compaction Quality, meet subgrade construction safety and endurance quality requirement, China railways roadbed design, construction and acceptance criteria, all have specific requirement to the coefficient of subgrade reaction of roadbed different parts, as Subgrade Bed of High-speed Railway top layer coefficient of subgrade reaction should be not less than 10MPa/m.The domestic detection for coefficient of subgrade reaction at present, mainly loaded plate deflection under employing dial gage measurement load action, hand oil pump applied pressure in gauge measurement charger.For eliminating the measure error caused by the change of instrument its own system, guarantee test data are accurately objective, and railway engineering earthwork test rule specifies, instrument drops into new work point at every turn or must be verified once every year.By verification, determine the dependency relation between loaded plate proof load intensity and coefficient of subgrade reaction tester pressure gauge reading, set up regression equation, and arrangement is depicted as chart, as the calculating basis of coefficient of subgrade reaction test.At present, coefficient of subgrade reaction tester checking procedure is: be placed in by the jack of coefficient of subgrade reaction tester on pressure arm or forcing press, jack is placed standard dynamometer (when verifying with forcing press, if the precision of forcing press dynamometer, range meet verification requirement, can without standard dynamometer); By the hydraulic pump of coefficient of subgrade reaction tester, multistage loadings is carried out to jack, record dynamometer and oil pressure gauge indicating value simultaneously, reach the maximum trial load of coefficient of subgrade reaction test until load till.Repeat three times.According to the data of record, calibration is carried out to the pressure gauge reading of coefficient of subgrade reaction tester and the relation of proof load intensity, draws the relational expression of pressure gauge reading and proof load intensity:
P＝aσ
0+b
In formula: P---pressure gauge reading (MPa);
σ
0---proof load intensity (MPa);
A---Monomial coefficient;
B---constant term (MPa).
Current coefficient of subgrade reaction tester verification is wasted time and energy, and easily occurs error, even result of calculation mistake.In the case, just propose the demand developing a kind of new coefficient of subgrade reaction tester automatic check device, reach verification speed fast, do not need manual record checking procedure, automatically calculate and show verification or calibration result, check results is accurately objective.
Summary of the invention
Embodiments of the invention are intended to overcome above defect, provide that a kind of detection speed is fast, result is accurately for automatic check device and the method for coefficient of subgrade reaction tester.
For solving the problem, according to a first aspect of the invention, provide a kind of automatic check device for coefficient of subgrade reaction tester, coefficient of subgrade reaction tester comprises jack, loaded plate, hydraulic pump and oil pressure gauge, automatic check device comprises: counterforce device, for connecting jack, provide counter-force when hydraulic pump carries out every grade of loading to jack to jack; Power or pressure sensor, for being arranged on above or below jack, sensing hydraulic pump to jack carry out every grade load time sensor side every grade loaded value; And electronic test equipment, be connected with power or pressure sensor, for pick-up transducers end every grade of loaded value, gather or setting oil pressure gauge every grade loaded value, setting loaded plate area, and the dependency relation formula of output oil pressure representative value and loaded plate normal loading intensity, wherein, the hydraulic pump that oil pressure gauge every grade loaded value shows for oil pressure gauge carries out every grade of oil pressure intensity applied when loading to jack.
According to a second aspect of the invention, a kind of automatic check device for coefficient of subgrade reaction tester is provided, wherein, also comprise oil pressure sensor and crossover tee, wherein, the first end of crossover tee is connected with oil pressure gauge, second end is connected with oil pressure sensor, and the 3rd end is connected with hydraulic pump; Electronic test equipment is also connected the sensing value to gather oil pressure sensor with oil pressure sensor, namely the sensing value of oil pressure sensor represents oil pressure gauge every grade loaded value.
According to a third aspect of the invention we, provide a kind of automatic check device for coefficient of subgrade reaction tester, wherein, electronic test equipment comprises the oil pressure tabular value setting apparatus for the input oil pressure gauge every grade loaded value when loading for every grade.
According to a forth aspect of the invention, provide a kind of automatic check device for coefficient of subgrade reaction tester, wherein, the oil pressure tabular value that electronic test equipment comprises for presetting oil pressure gauge every grade loaded value presets device.
According to a fifth aspect of the invention, provide a kind of automatic check device for coefficient of subgrade reaction tester, wherein, electronic test equipment comprises loaded plate area loader for setting loaded plate area or selector.
According to a sixth aspect of the invention, provide a kind of automatic check device for coefficient of subgrade reaction tester, wherein, electronic test equipment comprises first processor and the second processor, first processor determines the dependency relation formula of oil pressure gauge indicating value and power or pressure sensor senses value according to sensor side every grade loaded value and oil pressure gauge every grade loaded value, and the second processor determines the dependency relation formula of oil pressure gauge indicating value and loaded plate normal loading intensity according to the dependency relation formula of oil pressure gauge indicating value and power or pressure sensor senses value and loaded plate area.
According to a seventh aspect of the invention, provide a kind of automatic check device for coefficient of subgrade reaction tester, wherein, electronic test equipment also exports at least one in following information: the checking curve of the checking curve of the dependency relation formula of sensor side every grade loaded value, oil pressure gauge every grade loaded value, loaded plate area, oil pressure gauge indicating value and power or pressure sensor senses value, oil pressure gauge indicating value and power or pressure sensor senses value, oil pressure gauge indicating value and loaded plate normal loading intensity.
According to an eighth aspect of the invention, provide a kind of automatic check device for coefficient of subgrade reaction tester, wherein, electronic test equipment comprises display and/or the communicator with terminal device communication.
According to a ninth aspect of the invention, provide a kind of automatic check device for coefficient of subgrade reaction tester, wherein, counterforce device is reaction frame or forcing press.
According to the automatic check device for coefficient of subgrade reaction tester of the present invention and method, utilize electronic test equipment can pick-up transducers end every grade of loaded value, gather or setting oil pressure gauge every grade loaded value, the dependency relation formula of output oil pressure representative value and loaded plate normal loading intensity, thus complete verification or calibration.Like this, without the need to the data in manual record checking procedure, automatic output verification or calibration result, verify time saving and energy saving and speed fast, and check results is accurately objective.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic configuration diagram of the first embodiment of the automatic check device for coefficient of subgrade reaction tester of the present invention.
Fig. 2 is a schematic block diagram of the electronic test equipment in the automatic check device of Fig. 1.
Fig. 3 is another schematic block diagram of the electronic test equipment in the automatic check device of Fig. 1.
Fig. 4 is another schematic block diagram of the electronic test equipment in the automatic check device of Fig. 1.
Fig. 5 is the schematic configuration diagram of the second embodiment of the automatic check device for coefficient of subgrade reaction tester of the present invention.
Fig. 6 is the schematic flow diagram of the first embodiment of the automatic Verification method for coefficient of subgrade reaction tester of the present invention.
Fig. 7 is the schematic flow diagram of the second embodiment of the automatic Verification method for coefficient of subgrade reaction tester of the present invention.
Description of reference numerals:
1, power or pressure sensor; 2, reaction frame; 3, jack;
4, oil pressure gauge; 5, electronic test equipment; 6, hydraulic pump;
7, oil pressure sensor; 8, crossover tee; 9, loaded plate area loader;
10, oil pressure tabular value setting apparatus; 11, oil pressure tabular value presets device;
12, first processor; 13, the second processor; 14, display;
15, communicator; 16, terminal device.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with detailed description of the invention also with reference to accompanying drawing, the present invention is described in more detail.Should be appreciated that, these describe just exemplary, and do not really want to limit the scope of the invention.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present invention.
Embodiments provide a kind of automatic check device for coefficient of subgrade reaction tester, below it is described in detail.
For the first embodiment of the automatic check device of coefficient of subgrade reaction tester
Fig. 1 is the schematic configuration diagram of the first embodiment of the automatic check device for coefficient of subgrade reaction tester of the present invention.
As shown in Figure 1, coefficient of subgrade reaction tester can comprise jack 3, loaded plate (not shown), hydraulic pump 6 and oil pressure gauge 4, hydraulic pump 6 is connected by pipeline with jack 3, oil pressure gauge 4 is connected on hydraulic pump 6, these are well known in the art, therefore repeat no more, wherein hydraulic pump 6 can be hydraulic hand-pump well known in the art etc., and oil pressure gauge 4 can be various pressure meter.
As shown in Figure 1, the automatic check device for coefficient of subgrade reaction tester comprises counterforce device, power or pressure sensor 1 and electronic test equipment 5.
Counterforce device, for connecting jack 3, provides counter-force when hydraulic pump 6 pairs of jack 3 carry out every grade of loading to jack 3.Counterforce device can for realizing any structure of this function, such as illustrated reaction frame 2, can also be normally used forcing press in coefficient of subgrade reaction test etc. certainly, therefore repeat no more.
Power or pressure sensor 1 are for being arranged on above jack 3, and sensing hydraulic pump 6 pairs of jack 3 carry out every grade of loaded value of sensor side every grade when loading.When adopting force snesor, sensor side every grade loaded value is the force value sensed; When adopting pressure sensor, sensor side every grade loaded value is the pressure values sensed, because pressure sensor is actually a kind of sensor measuring pressure.Certainly, power or pressure sensor 1 also can be arranged on below jack 3, as shown in Figure 5.
Electronic test equipment 5 is connected with power or pressure sensor 1, for pick-up transducers end every grade of loaded value, setting oil pressure gauge every grade loaded value, setting loaded plate area, and the dependency relation formula of the indicating value of output oil pressure table 4 (or reading) and loaded plate normal loading intensity, wherein, oil pressure gauge every grade loaded value carries out every grade of oil pressure intensity applied when loading for hydraulic pump 6 pairs of jack 3 that oil pressure gauge 4 shows.
Electronic test equipment 5, therefore can from power or pressure sensor 1 pick-up transducers end every grade of loaded value because being connected with power or pressure sensor 1.
Electronic test equipment 5 can set oil pressure gauge every grade loaded value in any suitable manner.Such as, be described below in conjunction with Fig. 2 and Fig. 3.
Fig. 2 is a schematic block diagram of the electronic test equipment in the automatic check device of Fig. 1.As shown in Figure 2, electronic test equipment 5 can comprise the oil pressure tabular value setting apparatus 10 for the input oil pressure gauge every grade loaded value when loading for every grade.Like this, user knows oil pressure gauge every grade loaded value by the indicating value of oil pressure gauge 4, when loading at every turn, by oil pressure tabular value setting apparatus 10, oil pressure gauge every grade loaded value is manually inputted electronic test equipment 5.
Fig. 3 is another schematic block diagram of the electronic test equipment in the automatic check device of Fig. 1.As shown in Figure 3, the oil pressure tabular value that electronic test equipment 5 can comprise for presetting oil pressure gauge every grade loaded value presets device 11.Like this, loaded value is undertaken by the oil pressure tabular value be set in electronic test equipment 5 before verification, thus without the need to inputting oil pressure gauge every grade loaded value respectively when loading at every turn, can save time, be user-friendly to.
Electronic test equipment 5 can set loaded plate area in any suitable manner.Such as, as shown in Figure 2, electronic test equipment 5 can comprise loaded plate area loader 9, can manually by loaded plate area input electronic test equipment 5 by loaded plate area loader 9, and such as, loaded plate area can be 300mm, 400mm, 600mm etc.Or as shown in Figure 3, electronic test equipment 5 can comprise loaded plate area selector, can artificial selection one loaded plate area by loaded plate area selector, such as, from multiple specification, select 300mm or 400mm or 600mm etc.
The checking procedure of the automatic check device for coefficient of subgrade reaction tester of the present embodiment:
Hydraulic pump 6 pairs of jack 3 can be obtained by the oil pressure gauge 4 be connected on hydraulic pump 6 and carry out every grade of oil pressure intensity applied when loading, i.e. oil pressure gauge every grade loaded value.By be placed in power above or below jack 3 or pressure sensor 1 can sense hydraulic pump 6 pairs of jack 3 carry out every grade load time sensor side every grade loaded value.Oil pressure gauge every grade loaded value and sensor side every grade loaded value are fed back to electronic test equipment 5.Electronic test equipment 5 carrys out the dependency relation formula of output oil pressure representative value and loaded plate normal loading intensity according to sensor side every grade loaded value, oil pressure gauge every grade loaded value and loaded plate area, thus completes verification or calibration.
Introduce the course of work of the automatic check device being used for coefficient of subgrade reaction tester below in detail:
Power or pressure sensor 1 sensing hydraulic pump 6 pairs of jack 3 carry out every grade load time power or pressure sensor end every grade of loaded value and inputted electronic test equipment 5, sensor side every grade loaded value is X
1, X
2... X
j... X
k, wherein X
kfor sensor side loaded value when kth level loads;
Oil pressure gauge 4 shows hydraulic pump 6 pairs of jack 3 and carries out every grade of oil pressure intensity applied when loading, and oil pressure gauge every grade loaded value is P
1, P
2... P
j... P
k, wherein P
kfor oil pressure gauge loaded value when kth level loads;
J, k are item number, meet 1≤j < k;
Electronic test equipment 5 pick-up transducers end every grade of loaded value, setting oil pressure gauge every grade loaded value and loaded plate area, according to these values gathered and set, determine and the indicating value of output oil pressure table 4 and the dependency relation formula of loaded plate proof load intensity.
Such as, as shown in Figures 2 to 4, electronic test equipment 5 can comprise first processor 12 and the second processor 13.
First processor 12 determines the indicating value of oil pressure gauge 4 and the dependency relation formula P=m of power or pressure sensor 1 sensing value according to sensor side every grade loaded value and oil pressure gauge every grade loaded value
0x+n, wherein, P is the indicating value of oil pressure gauge 4, and X is the sensing value of power or pressure sensor 1, m
0for coefficient, n is constant term.
Second processor 13 determines the indicating value of oil pressure gauge 4 and the dependency relation formula of loaded plate normal loading intensity according to the dependency relation formula of the indicating value of oil pressure gauge 4 and power or pressure sensor 1 sensing value and loaded plate area:
Wherein,
P is the indicating value of oil pressure gauge 4, and σ is loaded plate intensity of load, and m is coefficient, and n is constant term.
In coefficient of subgrade reaction test, the dependency relation formula of the oil pressure gauge indicating value that this automatic check device can be utilized to draw and loaded plate normal loading intensity, completes coefficient of subgrade reaction test.Coefficient of subgrade reaction test is well known in the art, therefore repeats no more.
In addition, electronic test equipment 5 can also export at least one in following information: the checking curve of the checking curve of the dependency relation formula of sensor side every grade loaded value, oil pressure gauge every grade loaded value, loaded plate area, oil pressure gauge indicating value and power or pressure sensor senses value, oil pressure gauge indicating value and power or pressure sensor senses value, oil pressure gauge indicating value and loaded plate normal loading intensity.Like this, these information directly can be shown to end user or be transferred to other devices, conveniently observe corresponding data intuitively.
In this manual, " output " had both comprised and had exported end user to, and be namely shown to user, also can comprise and export other devices to, gave other devices by respective data transfer.Correspondingly, as shown in Figure 4, electronic test equipment 5 can comprise display 14, thus data are wherein shown to end user.Electronic test equipment 5 also can comprise the communicator 15 with terminal device 16 communication, can carry out data transmission like this between electronic test equipment 5 and terminal device 16, facilitates derived data, storage and processes data further.These data are such as the checking curves etc. of sensor side every grade loaded value, oil pressure gauge every grade loaded value, loaded plate area, the dependency relation formula of the indicating value of oil pressure gauge 4 and the dependency relation formula of power or pressure sensor 1 sensing value, the indicating value of oil pressure gauge 4 and loaded plate normal loading intensity, power or the checking curve of pressure oil pressure representative value and power or pressure sensor senses value, the indicating value of oil pressure gauge 4 and loaded plate normal loading intensity.Terminal device 16 can be PC and/or printer etc.
Visible, according to the automatic check device for coefficient of subgrade reaction tester of the present embodiment, utilize electronic test equipment can pick-up transducers end every grade of loaded value, setting oil pressure gauge every grade loaded value, setting loaded plate area, and the automatically dependency relation formula of output oil pressure representative value and loaded plate normal loading intensity, thus complete verification or calibration.Like this, without the need to the data in manual record checking procedure, automatic output verification or calibration result, verify time saving and energy saving and speed fast, and check results is accurately objective.
For the second embodiment of the automatic check device of coefficient of subgrade reaction tester
Fig. 5 is the schematic configuration diagram of the second embodiment of the automatic check device for coefficient of subgrade reaction tester of the present invention.The present embodiment is substantially identical with the structure of front embodiment, only describes difference below.
As shown in Figure 5, the automatic check device for coefficient of subgrade reaction tester of the present invention can also comprise oil pressure sensor 7 and crossover tee 8.
The first end of crossover tee 8 is connected with oil pressure gauge 4, and the second end is connected with oil pressure sensor 7, and the 3rd end is connected with hydraulic pump 6.Like this, oil pressure sensor 7 can sense hydraulic pump 6 pairs of jack 3 and carry out every grade of oil pressure intensity applied when loading, and namely the sensing value of oil pressure sensor 7 represents oil pressure gauge every grade loaded value.Electronic test equipment 5 is also connected with oil pressure sensor 7 sensing value gathering oil pressure sensor 7.
In the automatic check device for coefficient of subgrade reaction tester of the present embodiment, because electronic test equipment 5 is connected with oil pressure sensor 7, namely the sensing value of oil pressure sensor 7 represents oil pressure gauge every grade loaded value, so electronic test equipment 5 not only can pick-up transducers end every grade of loaded value automatically, automatically oil pressure gauge every grade loaded value can also be gathered.Like this, without the need to input artificial as previously described or preset oil pressure gauge every grade loaded value, improve the automaticity of whole device, verify time saving and energy saving and speed fast, check results is accurately objective.
In addition, in use, accurate for ensureing data, the sensing value of oil pressure sensor 7 should be consistent with the indicating value of oil pressure gauge 4, when there is deviation both finding, need calibration oil pressure sensor 7 and oil pressure gauge 4 in time, so not easily occur error and result of calculation mistake, make check results more accurately objective.
In addition, Fig. 5 shows power or pressure sensor 1 is arranged on below jack 3, and it also can be arranged on above jack 3 as shown in Figure 1 certainly.
Below introduce the automatic Verification method for coefficient of subgrade reaction tester of the present invention.
For the first embodiment of the automatic Verification method of coefficient of subgrade reaction tester
Fig. 6 is the schematic flow diagram of the first embodiment of the automatic Verification method for coefficient of subgrade reaction tester of the present invention.
As shown in Figure 6, the automatic Verification method for coefficient of subgrade reaction tester comprises:
Connection Step 100, comprising: jack 3 is connected to counterforce device, as reaction frame 2, power or pressure sensor 1 is arranged on above or below jack 3, and electronic test equipment 5 is connected with power or pressure sensor 1;
Load step 200, comprise: carry out multistage loadings with hydraulic pump 6 pairs of jack 3, and at every grade of loading duration, electronic test equipment 5 gathers sensor side every grade loaded value and the setting oil pressure gauge every grade loaded value of power or pressure sensor 1 sensing, wherein, oil pressure gauge every grade loaded value carries out every grade of oil pressure intensity applied when loading for hydraulic pump 6 pairs of jack 3 that oil pressure gauge 4 shows;
Checking procedure 300, comprising: electronic test equipment 5 determines the indicating value of oil pressure gauge 4 and the dependency relation formula of loaded plate normal loading intensity according to power or pressure sensor end every grade of loaded value, oil pressure gauge every grade loaded value and loaded plate area.
Like this, during load step 200, sensor side every grade loaded value, oil pressure gauge every grade loaded value feed back to electronic test equipment 5, then, in checking procedure 300, electronic test equipment 5 determines the indicating value of oil pressure gauge 4 and the dependency relation formula of loaded plate normal loading intensity according to sensor side every grade loaded value, oil pressure gauge every grade loaded value and loaded plate area.
Wherein, in load step 200, when the step of setting oil pressure gauge every grade loaded value is included in every grade of loading, manually input oil pressure gauge every grade loaded value to electronic test equipment 5.Now, when loading for every grade, user knows oil pressure gauge every grade loaded value by the indicating value of oil pressure gauge 4, then such as by oil pressure tabular value setting apparatus 10, oil pressure gauge every grade loaded value is manually inputted electronic test equipment 5.
Wherein, in load step 200, the step of setting oil pressure gauge every grade loaded value is included in electronic test equipment 5 and presets oil pressure gauge every grade loaded value.Like this, loaded value is undertaken by the oil pressure tabular value be set in electronic test equipment 5 before verification, thus without the need to inputting oil pressure gauge every grade loaded value respectively when loading at every turn, can save time, be user-friendly to.
Wherein, in load step 200, when loading for every grade, electronic test equipment 5 gathers multiple oil pressure gauge every grade loaded value of multiple sensor side every grade loaded value and setting correspondence.The precision of data can be improved like this.
In checking procedure 300, electronic test equipment 5 determines the indicating value of oil pressure gauge 4 and the dependency relation formula of loaded plate normal loading intensity according to power or pressure sensor end every grade of loaded value, oil pressure gauge every grade loaded value and loaded plate area.
Specifically, the sensor side every grade loaded value that power or pressure sensor 1 sense is X
1, X
2... X
j... X
k, wherein X
kfor sensor side loaded value when kth level loads; The oil pressure gauge every grade loaded value that oil pressure gauge 4 shows is P
1, P
2... P
j... P
k, wherein P
kfor oil pressure gauge loaded value when kth level loads, j, k are item number, meet 1≤j < k;
Such as, electronic test equipment 5 first can determine the indicating value of oil pressure gauge 4 and the dependency relation formula P=m of power or pressure sensor 1 sensing value according to sensor side every grade loaded value and oil pressure gauge every grade loaded value
0x+n, wherein, P is the indicating value of oil pressure gauge 4, and X is the sensing value of power or pressure sensor 1, m
0for coefficient, n is constant term.
Then, electronic test equipment 5 determines the indicating value of oil pressure gauge 4 and the dependency relation formula of loaded plate normal loading intensity according to the dependency relation formula of the indicating value of oil pressure gauge 4 and power or pressure sensor 1 sensing value and loaded plate area:
Wherein,
P is the indicating value of oil pressure gauge 4, and σ is loaded plate intensity of load, and m is coefficient, and n is constant term.
In coefficient of subgrade reaction test, the above-mentioned oil pressure gauge indicating value that this automatic check device can be utilized to draw and the dependency relation formula of loaded plate normal loading intensity, complete coefficient of subgrade reaction test.This is well known in the art, therefore repeats no more.
Visible, according to the automatic Verification method for coefficient of subgrade reaction tester of the present embodiment, utilize electronic test equipment can pick-up transducers end every grade of loaded value, setting oil pressure gauge every grade loaded value, and the automatically dependency relation formula of output oil pressure representative value and loaded plate normal loading intensity, thus complete verification or calibration.Like this, without the need to the data in manual record checking procedure, automatic output verification or calibration result, verify time saving and energy saving and speed fast, and check results is accurately objective.
In addition, electronic test equipment 5 can also export at least one in following information: the checking curve of the checking curve of the dependency relation formula of sensor side every grade loaded value, oil pressure gauge every grade loaded value, loaded plate area, oil pressure gauge indicating value and power or pressure sensor senses value, oil pressure gauge indicating value and power or pressure sensor senses value, oil pressure gauge indicating value and loaded plate normal loading intensity.Like this, these information directly can be shown to end user or be transferred to other devices, conveniently observe corresponding data intuitively.
In addition, the automatic Verification method for coefficient of subgrade reaction tester of the present invention can also comprise communicating step (400), and make electronic test equipment 5 and terminal device 16 carry out communication, this can utilize the communicator 15 of electronic test equipment 5 to realize.Can will export statistical conversion like this, convenient store and process data further, these data are such as the checking curves etc. of sensor side every grade loaded value, oil pressure gauge every grade loaded value, loaded plate area, the dependency relation formula of the indicating value of oil pressure gauge 4 and the dependency relation formula of power or pressure sensor 1 sensing value, the indicating value of oil pressure gauge 4 and loaded plate normal loading intensity, power or the checking curve of pressure oil pressure representative value and power or pressure sensor senses value, the indicating value of oil pressure gauge 4 and loaded plate normal loading intensity.Terminal device 16 can be PC and/or printer etc.
For the second embodiment of the automatic Verification method of coefficient of subgrade reaction tester
Fig. 7 is the schematic flow diagram of the second embodiment of the automatic Verification method for coefficient of subgrade reaction tester of the present invention.The substantially same previous embodiment of the present embodiment, the following specifically describes difference.
As shown in Figure 7, in the present embodiment, Connection Step 100 also comprises: be connected with oil pressure gauge 4 by the first end of crossover tee 8, and the second end is connected with oil pressure sensor 7, and the 3rd end is connected with hydraulic pump 6, electronic test equipment 5 is connected with oil pressure sensor 7.In load step 200, at every grade of loading duration, the sensing value of electronic test equipment 5 pick-up transducers end every grade of loaded value and collection oil pressure sensor 7, namely the sensing value of oil pressure sensor 7 represents oil pressure gauge every grade loaded value.
At the present embodiment in the automatic Verification method of coefficient of subgrade reaction tester, because electronic test equipment 5 is connected with oil pressure sensor 7, namely the sensing value of oil pressure sensor 7 represents oil pressure gauge every grade loaded value, so electronic test equipment 5 not only can pick-up transducers end every grade of loaded value automatically, automatically oil pressure gauge every grade loaded value can also be gathered.Like this, without the need to input artificial as previously described or preset oil pressure gauge every grade loaded value, improve the automaticity of whole method of calibration, verify time saving and energy saving and speed fast, check results is accurately objective.
In addition, calibration steps 210 can also be comprised, when the sensing value of oil pressure sensor 7 and oil pressure gauge indicating value inconsistent time, calibration oil pressure sensor 7 or oil pressure gauge 4.So not easily there is error and result of calculation mistake, make check results more accurately objective.
Should be understood that, above-mentioned detailed description of the invention of the present invention only may be used for exemplary illustration or explains principle of the present invention, and is not construed as limiting the invention.Therefore, any amendment made when without departing from the spirit and scope of the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.In addition, claims of the present invention be intended to contain fall into claims scope and border or this scope and border equivalents in whole change and modification.
Claims (9)
1., for an automatic check device for coefficient of subgrade reaction tester, described coefficient of subgrade reaction tester comprises jack, loaded plate, hydraulic pump and oil pressure gauge, and the feature for the automatic check device of coefficient of subgrade reaction tester is, comprising:
Counterforce device, for connecting described jack, provides counter-force when described hydraulic pump carries out every grade of loading to described jack to described jack;
Power or pressure sensor, for being arranged on above or below described jack, sense described hydraulic pump to described jack carry out every grade load time sensor side every grade loaded value; And
Electronic test equipment, be connected with described power or pressure sensor, for gathering described sensor side every grade loaded value, gather or setting oil pressure gauge every grade loaded value, setting loaded plate area, and the dependency relation formula of output oil pressure representative value and loaded plate normal loading intensity, wherein, the described hydraulic pump that oil pressure gauge every grade loaded value shows for described oil pressure gauge carries out every grade of oil pressure intensity applied when loading to described jack.
2., as claimed in claim 1 for the automatic check device of coefficient of subgrade reaction tester, it is characterized in that,
Also comprise oil pressure sensor and crossover tee,
Wherein, the first end of described crossover tee is connected with described oil pressure gauge, and the second end is connected with described oil pressure sensor, and the 3rd end is connected with described hydraulic pump;
Described electronic test equipment is also connected with described oil pressure sensor the sensing value gathering described oil pressure sensor, and namely the sensing value of described oil pressure sensor represents described oil pressure gauge every grade loaded value.
3., as claimed in claim 1 for the automatic check device of coefficient of subgrade reaction tester, it is characterized in that,
Described electronic test equipment comprises the oil pressure tabular value setting apparatus for inputting described oil pressure gauge every grade loaded value when loading for every grade.
4., as claimed in claim 1 for the automatic check device of coefficient of subgrade reaction tester, it is characterized in that,
The oil pressure tabular value that described electronic test equipment comprises for presetting described oil pressure gauge every grade loaded value presets device.
5., as claimed in claim 1 for the automatic check device of coefficient of subgrade reaction tester, it is characterized in that,
Described electronic test equipment comprises loaded plate area loader for setting loaded plate area or selector.
6., as claimed in claim 1 for the automatic check device of coefficient of subgrade reaction tester, it is characterized in that,
Described electronic test equipment comprises first processor and the second processor,
Described first processor determines the dependency relation formula of oil pressure gauge indicating value and power or pressure sensor senses value according to described sensor side every grade loaded value and described oil pressure gauge every grade loaded value,
Described second processor determines the dependency relation formula of oil pressure gauge indicating value and loaded plate normal loading intensity according to the dependency relation formula of oil pressure gauge indicating value and power or pressure sensor senses value and loaded plate area.
7., as claimed in claim 1 for the automatic check device of coefficient of subgrade reaction tester, it is characterized in that,
Described electronic test equipment also exports at least one in following information: the checking curve of the checking curve of the dependency relation formula of sensor side every grade loaded value, oil pressure gauge every grade loaded value, loaded plate area, oil pressure gauge indicating value and power or pressure sensor senses value, oil pressure gauge indicating value and power or pressure sensor senses value, oil pressure gauge indicating value and loaded plate normal loading intensity.
8., as claimed in claim 1 for the automatic check device of coefficient of subgrade reaction tester, it is characterized in that,
Described electronic test equipment comprises display and/or the communicator with terminal device communication.
9., as claimed in claim 1 for the automatic check device of coefficient of subgrade reaction tester, it is characterized in that,
Described counterforce device is reaction frame or forcing press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510073780.7A CN104612123B (en) | 2015-02-11 | 2015-02-11 | For the automatic check device of foundation coefficient tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510073780.7A CN104612123B (en) | 2015-02-11 | 2015-02-11 | For the automatic check device of foundation coefficient tester |
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| CN106940232A (en) * | 2017-04-28 | 2017-07-11 | 上海市计量测试技术研究院 | The load-bearing digital independent equipment and read method of a kind of jack |
| CN109001052A (en) * | 2018-06-25 | 2018-12-14 | 中路高科交通检测检验认证有限公司 | A kind of metering system and method for drop hammer deflection meter impact load |
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