CN205748750U - A kind of ground force test device - Google Patents

Abstract

This utility model provides a kind of ground force test device, described ground force test device is for measuring the ground force of seismic vibrator output, described seismic vibrator includes: can export the substrate of ground force earthward, and described substrate has can be with the lower surface of the ground coupling；Described ground force test device includes: force measuring machine, and it is arranged between described lower surface and ground, and described force measuring machine is for obtaining the ground force signal corresponding with described ground force when described lower surface exports ground force earthward；The processing unit being electrically connected with described force measuring machine, described processing unit is used for receiving described ground force signal, and generates digital information according to described ground force signal.This utility model achieves offer a kind of can accurately test the purpose that controlled source truly exports the ground force test device of ground force.

Description

A kind of ground force test device

Technical field

This utility model relates to controlled source ground force field tests, particularly relates to a kind of ground force Test device.

Background technology

Signal spectrum produced by controlled source and fundamental characteristics can be with manual controls, it is possible to Some interfering frequency is avoided, with the Absorption to seismic signal when designing focus scanning signal Compensate, thus utilize controlled source to carry out ground survey and can obtain enough reflected energies, And signal to noise ratio and signal resolution disclosure satisfy that the requirement of geological prospecting.

Chinese invention patent application CN103270429A discloses the earthquake of a kind of controlled source and shakes Dynamic device.In this seismic vibrator, vibrator can be carried by truck and be positioned at detection Pre-position in region.As it is shown in figure 1, vibrator is by substrate 10 and mass body 17 Transfer force in ground.

As typical case, vibrator is arranged on (not shown) on carrier vehicle, when needs excite earthquake During ripple, vibrator is transferred to ground by hoisting mechanism by described carrier vehicle.And by carrying Rise mechanism to be compressed on the ground by substrate 10 by vehicle weight.So vibration signal can be transmitted In the earth.Mass body 17 is positioned the surface of substrate 10 and pillar 19 from substrate 10 Extend and extend through mass body 17, in order to stablizing described mass body 17.

In inside, mass body 17 has and is formed at cylinder body 23 therein.Vertical piston rod 25 Extend through described cylinder body 23, and cylinder body 23 is divided into epicoele by the piston 27 on piston rod 25 And cavity of resorption.Piston rod 25 is connected to the lining of lower cross shaped member 29 in its lower end, and Extend upward through cylinder body 23.The upper end of piston rod 25 is connected on cross shaped member 31 Lining, and described cross shaped member is connected to pillar 19.

When vibrating work, controller 35 produces the required signal that drives, and driving signal controls servo Device 39, servomechanism 39 is according to driving signal to open clossing pressure mouth, and hydraulic fluid is through servomechanism 39 pressure port, enter epicoele and the cavity of resorption of cylinder body 23 regularly, promote mass body 17 along work Stopper rod 25 direction moves back and forth.Then, mass body 17 power produced is via pillar 19 and lives Stopper rod 25 is delivered to substrate 10, so that substrate 10 is with desired amplitude and frequency or frequency pendulum Vibrations, enter into the seismic origin signal in ground to produce.Controller 35 receives and is arranged on ten The signal of the first sensor 33 on font part 31 and reception be arranged on mass body 17 The signal of two sensors 37.Feedback controllers 35 based on these sensors realize servomechanism 39 and the correct control of mass body 17 motion.Motion mass body 17 retroaction at substrate 10, The incoming earth of its vibration signal.

First two pieces of independent accelerometers are adsorbed at mass body by existing vibration performance assessment technique 17 and substrate 10 on, measure the acceleration of mass body 17 and the acceleration of substrate 10；Then root According to 1984, (mass body 17 accelerated the computing formula of the weighting ground force that SALLAS proposes Degree is multiplied by the vector conjunction that the quality of mass body 17 is multiplied by the quality of substrate 10 with substrate 10 acceleration Become) calculate the ground force that substrate 10 exports.The substrate 10 that SALLAS proposes exports ground force Calculating have two conditions assumed, one of them assumed condition thinks the quality of controlled source Body 17 and flat board are rigid body when frequency is relatively low.But this assumed condition is when wideband vibrates It is false.Because when wideband vibrates, substrate 10 can occur bending and deformation, thus is no longer firm Gonosome.So under wideband shakes, the ground force that substrate 10 truly exports is deposited with weighting ground force In bigger difference.So the ground that the ground force test device of prior art is measured under wideband shakes There is bigger difference in the ground force of the actual output of face power and substrate 10, thus can not accurately test can The ground force that control focus truly exports.

Utility model content

The purpose of this utility model is to provide a kind of can accurately test the ground that controlled source truly exports The ground force test device of face power.

Above-mentioned purpose of the present utility model can use following technical proposal to realize: a kind of ground force Test device, described ground force test device is used for measuring the ground force of seismic vibrator output, Described seismic vibrator includes: can export the substrate of ground force earthward, and described substrate has energy Lower surface with the ground coupling；Described ground force test device includes: force measuring machine, its cloth Being placed between described lower surface and ground, described force measuring machine is for obtaining when described bottom table Towards ground force signal corresponding with described ground force during the output ground force of ground；With described dynamometry The processing unit that mechanism is electrically connected with, described processing unit is used for receiving described ground force signal, And generate digital information according to described ground force signal.

As one preferred embodiment, described force measuring machine includes at least 1 load cell, Described load cell is for measuring the ground force that described lower surface exports earthward.

As one preferred embodiment, described load cell includes the dynamometry with dynamometry head Part and the transition body being arranged between described dynamometry part and described lower surface, described transition body with Described dynamometry head contacts, so that the direction of the ground force of described lower surface output and described survey The direction of the ground force measured by power head is consistent.

As one preferred embodiment, described load cell includes being arranged in described dynamometry part Back to the base plate of described transition body side, described base plate can stop described load cell to be pressed into ground In face.

As one preferred embodiment, described dynamometry part is multiple.

As one preferred embodiment, described transition body is back to the side of described lower surface It is resisted against the described dynamometry part of 3 arrangements triangular in shape.

As one preferred embodiment, described dynamometry part is force transducer.

As one preferred embodiment, described load cell is arranged in institute in a predetermined manner State under lower surface, to measure the ground force of described lower surface various location.

As one preferred embodiment, described load cell is 8.

As one preferred embodiment, described ground force test device is used for measuring earthquake and shakes The ground force of dynamic device output, described seismic vibrator includes: vibrational energy can pass to described base The mass body of plate, described ground force test device includes: data acquisition unit and comparing unit, Described data acquisition unit includes the first data acquisition unit being arranged on described mass body, if The second data acquisition unit being placed on described substrate；Described first data acquisition unit is used for obtaining Take the acceleration signal of described mass body, described second data acquisition unit for obtaining described base The acceleration signal of plate；Described comparing unit for obtain described mass body acceleration signal and The acceleration signal of described substrate, and according to the acceleration signal of described mass body and described substrate Acceleration signal calculate described ground force that weighting ground force and described force measuring machine can measure it Between difference.

A kind of ground force test device that this utility model provides provides the benefit that: this practicality is new A kind of ground force test device that type provides, will when measuring the ground force of seismic vibrator output Force measuring machine is arranged between lower surface and ground, can directly measure lower surface to ground The ground force of face output, therefore the ground that controlled source truly exports can accurately be tested by this force measuring machine Face power.Compared with prior art, a kind of ground force test device that this utility model provides, nothing Opinion is when frequency is relatively low or when frequency is higher, all need not assume that mass body and substrate are Rigidity, but directly between lower surface and ground, measure what this lower surface exported earthward Ground force, therefore this utility model achieves offer one accurately to test controlled source the most defeated The purpose of the ground force test device of the ground force gone out.

Accompanying drawing explanation

In order to be illustrated more clearly that the technical scheme in this utility model embodiment, below will be to reality Execute the required accompanying drawing used during example describes to be briefly described, it should be apparent that, describe below In accompanying drawing be only embodiments more of the present utility model, for those of ordinary skill in the art From the point of view of, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings Accompanying drawing.

Fig. 1 is the structural representation of the seismic vibrator of prior art；

Fig. 2 is the structural representation of the load cell that one embodiment of this utility model provides；

Fig. 3 is the load cell layout that one embodiment of this utility model provides；

Fig. 4 is the schematic diagram of the data acquisition unit that one embodiment of this utility model provides；

Fig. 5 is the flow chart of the ground force test device that one embodiment of this utility model provides.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the application embodiment, to the skill in the application embodiment Art scheme is clearly and completely described, it is clear that described embodiment is only this Shen Please a part of embodiment rather than whole embodiments.Based on the embodiment party in the application Formula, it is all that those of ordinary skill in the art are obtained under not making creative work premise Other embodiments, broadly fall into the scope of the application protection.

It should be noted that when element is referred to as " being arranged at " another element, and it can be straight It is connected on another element or element placed in the middle can also be there is.When an element is considered as " connect " another element, the while that it can being directly to another element or possibility There is centering elements.Term as used herein " vertical ", " level ", "left", "right" And similar statement is for illustrative purposes only, being not offered as is unique embodiment.

Unless otherwise defined, all of technology used herein and scientific terminology with belong to this Shen The implication that those skilled in the art please are generally understood that is identical.Saying in the application herein Term used in bright book is intended merely to describe the purpose of specific embodiment, it is not intended that In limiting the application.Term as used herein "and/or" includes one or more relevant Arbitrary and all of combination of Listed Items.

Referring to Fig. 1, this utility model provides a kind of ground force test device, and described ground force is surveyed Electricity testing device is for measuring the ground force of seismic vibrator output, and described seismic vibrator may include that

Can export the substrate 10 of ground force earthward, described substrate 10 has can be with the ground coupling Lower surface 15；

Referring to Fig. 2, Fig. 5, described ground force test device includes: force measuring machine, and it is arranged Between described lower surface 15 and ground, described force measuring machine is for obtaining when described bottom table Face 15 exports ground force signal corresponding with described ground force during ground force earthward；With described survey The processing unit that force mechanisms is electrically connected with, described processing unit is used for receiving described ground force signal, And generate digital information according to described ground force signal.

A kind of ground force test device that this utility model provides is measuring seismic vibrator output During ground force, force measuring machine is arranged between lower surface 15 and ground, can directly survey The ground force that amount lower surface 15 exports earthward, therefore this force measuring machine can accurately be tested controlled The ground force that focus truly exports.Compared with prior art, a kind of ground that this utility model provides Face force test device either when frequency is relatively low still when frequency is higher, all need not assume Mass body 17 and substrate 10 are rigidity, but directly measure between lower surface 15 and ground The ground force that this lower surface 15 exports earthward, therefore this utility model achieves offer one Can accurately test the purpose that controlled source truly exports the ground force test device of ground force.

As it is shown in figure 1, in the present embodiment, this utility model provides a kind of ground force test Device is for measuring the ground force of seismic vibrator output.This seismic vibrator can produce controlled Vibration source.This seismic vibrator may include that have top surface 13 and lower surface 15 Substrate 10, this substrate 10 can export ground force earthward.This substrate 10 has can be with ground coupling The lower surface 15 closed.As is typical, this seismic vibrator is arranged on vehicle or car (not shown) on.When vibrating work, this vehicle or vehicle will be shaken by hoisting mechanism Dynamic device is reduced to ground, and substrate 10 is tightly pressed against on ground by the weight of vehicle by hoisting mechanism, Guarantee substrate 10 couples with ground, and mass body 17 is under driving signal function, regular Up-down vibration, it reacts on the vibration signal of substrate 10, penetrates the earth by substrate 10.

As shown in Figure 1, shown in Figure 5, in the present embodiment, this seismic vibrator may include that Mass body 17, it is arranged on top surface 13 and vibration energy passes to substrate 10.Matter Amount body 17 is positioned on the top surface 13 of substrate 10 and pillar 19 extends from substrate 10 And extend through mass body 17, in order to stablize described mass body 17.

In inside, mass body 17 has and is formed at cylinder body 23 therein.The piston rod vertically extended 25 extend through described cylinder body 23, and cylinder body 23 is divided into by the piston 27 on piston rod 25 Epicoele and cavity of resorption.Piston rod 25 is connected to the lining of lower cross shaped member 29 in its lower end, And extend upward through cylinder body 23.The upper end of piston rod 25 is connected to cross shaped member 31 On lining, and described cross shaped member is connected to pillar 19.

When vibrating work, controller 35 produces the required signal that drives, and driving signal controls servo Device 39, servomechanism 39 is according to driving signal to open clossing pressure mouth, and hydraulic fluid is through servomechanism 39 pressure port, enter epicoele and the cavity of resorption of cylinder body 23 regularly, promote mass body 17 along work Stopper rod 25 direction moves back and forth.Then, mass body 17 power produced is via pillar 19 and lives Stopper rod 25 is delivered to substrate 10, so that substrate 10 is with desired amplitude and frequency or frequency pendulum Vibrations, enter into the seismic origin signal in ground to produce.Controller 35 receives and is arranged on ten The signal of the first sensor 33 on font part 31 and reception be arranged on mass body 17 The signal of two sensors 37.Feedback controllers 35 based on these sensors realize servomechanism 39 and the correct control of mass body 17 motion.Motion mass body 17 retroaction at substrate 10, The incoming earth of its vibration signal.

In the present embodiment, a kind of ground force test device that this utility model provides can wrap Include: force measuring machine.This force measuring machine is arranged between lower surface 15 and ground, this force measuring machine Structure is for obtaining the ground force corresponding with ground force when lower surface 15 exports ground force earthward Signal.This force measuring machine can be arranged in lower surface 15 with the mode that lower surface 15 leans On.This force measuring machine is arranged between lower surface 15 and the ground of substrate 10, so working as the end When surface, portion 15 exports ground force earthward, the ground force of this lower surface 15 output is in effect Before ground, acting on this force measuring machine, therefore this force measuring machine can obtain this ground force Corresponding ground force signal.Compared with prior art, a kind of ground force that this utility model provides Test device either when frequency is relatively low still when frequency is higher, all need not hypothesis quality Body 17 and substrate 10 are rigidity, but directly measure at this end between lower surface 15 and ground The ground force that surface, portion 15 exports earthward, therefore this utility model achieves offer a kind of energy standard The really purpose of the ground force test device of the ground force that test controlled source truly exports.This ground Force signal can be the current signal representing ground force, it is also possible to for representing the voltage letter of ground force Number.

In the present embodiment, a kind of ground force test device that this utility model provides can wrap Including: the processing unit being electrically connected with force measuring machine, processing unit is used for receiving ground force signal, And generate digital information according to ground force signal, in order to obtain the exact value of ground force.Should Processing unit can pass through data wire, holding wire is electrically connected with force measuring machine, so that force measuring machine The ground force signal that structure obtains can input to processing unit and process.This processing unit can be Computer, this processing unit can also be analog-digital converter.

In one embodiment, a kind of ground force test device that this utility model provides is permissible Including: data acquisition unit and comparing unit, this data acquisition unit includes being arranged at mass body On the first data acquisition unit, the second data acquisition unit being arranged on substrate；This is first years old Data acquisition unit is for obtaining the acceleration signal of mass body, this second data acquisition unit use In the acceleration signal obtaining substrate；Described comparing unit is for obtaining the acceleration letter of mass body Number and the acceleration signal of substrate, and according to the acceleration signal of mass body and the acceleration of substrate Difference between the ground force that signal calculating weighting ground force and force measuring machine can be measured.

In the present embodiment, this first data acquisition unit can be to be attached on mass body 17 Accelerometer；This second data acquisition unit can be the accelerometer being attached on substrate 10. According to 1984, (mass body 17 accelerated the computing formula of the weighting ground force that SALLAS proposes Degree is multiplied by the vector conjunction that the quality of mass body 17 is multiplied by the quality of substrate 10 with substrate 10 acceleration Become) calculate the ground force that substrate 10 exports.The substrate 10 that SALLAS proposes exports ground force Calculating and have two conditions assumed, one of them assumed condition thinks the mass body of controlled source 17 and flat board be rigid body when frequency is relatively low.But this assumed condition when wideband vibrates not Set up.Because when wideband vibrates, substrate 10 can occur bending and deformation, thus is no longer rigidity Body.So under wideband shakes, the ground force that substrate 10 truly exports exists with weighting ground force Bigger difference.So can survey with force measuring machine according to the weighting ground force of the calculating of this comparing unit Difference between the ground force of amount, can adjust mass body, substrate assembly structure, increases quality Body, the rigidity of substrate, so that weighting ground force is close with true power output.This computing unit is Computer.

As in figure 2 it is shown, in one embodiment, force measuring machine includes at least 1 dynamometry list Unit 43, load cell 43 is for measuring the ground force that lower surface 15 exports earthward.

For measuring the ground force of substrate 10 output, the load cell 43 under substrate 10 is more How more can increase the coupling area between load cell 43 and substrate 10, also more can be accurately Measure the ground force of substrate 10 output.In the present embodiment, force measuring machine includes at least 1 Individual load cell 43, i.e. this force measuring machine can include 1 load cell 43, it is also possible to include Multiple load cell 43.Further, the force measuring machine including multiple load cell 43 can increase Coupling area greatly and between substrate 10, thus improve the ground force of measurement substrate 10 output Accuracy.

As in figure 2 it is shown, in one embodiment, load cell 43 includes having dynamometry 47 Dynamometry part 49 and the transition body 51 that is arranged between dynamometry part 49 and lower surface 15, transition Body 51 contacts with dynamometry 47, so that the direction of the ground force of lower surface 15 output and survey The direction of the ground force measured by power 47 is consistent.

In the present embodiment, this dynamometry part 49 with dynamometry 47 can measure bottom table The ground force of face 15 output.Transition body 51 can make the side of the ground force that lower surface 15 exports To consistent with the direction of the ground force measured by dynamometry 47, such that it is able to avoid owing to surveying The direction of the ground force of lower surface 15 output produced by the fault of construction of power part 49 itself with The error that the direction of the ground force that dynamometry 47 measures is inconsistent, to improve the accurate of measurement result Property.Specifically, when dynamometry 47 is curved surface, the ground force of lower surface 15 output is being made Time in dynamometry 47, it may occur that change, thus cause lower surface 15 to export The direction of ground force is inconsistent with the direction of the ground force measured by dynamometry 47.Due to transition Body 51 ground force that substrate 10 can be made to export that contacts with dynamometry 47 directly acts on this mistake Cross on body 51, be delivered in dynamometry 47 by this transition body 51 the most again；So this transition Body 51 is avoided that the active force that lower surface 15 exports directly acts in dynamometry 47, to keep away The ground force exempting from lower surface 15 output directly acts in dynamometry 47, makes the side of ground force To situation about changing.This transition body 51 can be fixed with base plate 53 by fixture 55； This fixture can be screw, bolt.The shape of this transition body can be appointing in following shape Meaning one: polygon, circle, ellipse.

As in figure 2 it is shown, in one embodiment, load cell 43 includes being arranged in dynamometry part 49 back to the base plate 53 of transition body 51 side, and base plate 53 can stop load cell 43 to be pressed into In ground.

In the present embodiment, this base plate 53 is for increasing contacting of load cell 43 and ground Area, thus when substrate 10 exports ground force earthward, this base plate 53 can stop dynamometry list Unit 43 is pressed in ground.The area of this base plate 53 has minima.This minima can be Base plate 53 ensures to be not pressed into ground under the effect of the ground force that load cell 43 exports at substrate 10 The minimum area in face.The shape of this base plate 53 can be any one in following shape: polygon Shape, circle, ellipse.This base plate 53 can be fixed with transition body 51 by fixture 55, To be arranged in dynamometry part 49 back to transition body 51 side, such that it is able to fixing be positioned at base plate 53 with Dynamometry part 49 between transition body 51.This fixture 55 can be screw, bolt.This base plate 53 can also lean with dynamometry part 49 or fix, to be arranged in dynamometry part 49 back to mistake Crossing body 51 side, this fixed form can be that screw is fixed, bolt is fixed.

As in figure 2 it is shown, in one embodiment, dynamometry part 49 is multiple.

In the present embodiment, this dynamometry part 49 is multiple, and specifically, this dynamometry part 49 can Think 1, it is also possible to for multiple.Further, multiple dynamometry parts 49 are measured on substrate 10 The ground force of the same area output is relative to the measurement result of 1 dynamometry part 49, and accuracy is more preferable.

In one embodiment, dynamometry part 49 is force transducer.

In the present embodiment, this force transducer has dynamometry 47, and this dynamometry 47 is circle The curved surface of arc.The curved surface of this circular arc is positioned at the transition body 51 side back to lower surface 15, And contact with transition body 51, transition body 51 can be fixed, thus the ground of substrate 10 output The direction of the ground force that the direction of power is delivered in dynamometry 47 with transition body 51 is consistent, from And the ground force that substrate 10 can be avoided to export is when being directly delivered in dynamometry 47, ground force Direction change, thus cause the inaccurate of measurement result.

As in figure 2 it is shown, in one embodiment, transition body supports back to the side of lower surface It is against the dynamometry part of 3 arrangements triangular in shape.

In the present embodiment, the arrangements that these 3 dynamometry parts can be triangular in shape, it is possible to With in other arrangements, such as 3 dynamometry parts 49 are arranged to the shape of straight line.Cause For triangle, there is stability, so the dynamometry part of 3 arrangements triangular in shape and transition body The structure leant back to the side of lower surface relative in other shapes with transition body the end of back to The structure that the side on surface, portion leans is more stable, thus improves the accuracy of measurement result.These are 3 years old Individual dynamometry part 49 can be arranged on base plate 53 in the way of fixing with base plate 53, it is also possible to It is arranged in the way of leaning with base plate 53 on base plate 53.This fixing mode can be spiral shell Nail is fixing, bolt is fixed.

As it is shown on figure 3, in one embodiment, load cell 43 is arranged in a predetermined manner In lower surface 15 times, to measure the ground force of lower surface 15 various location.

In the present embodiment, this load cell 43 can be to lean with lower surface 15 Mode is arranged in lower surface 15.This predetermined mode can be to couple with lower surface 15 The preferable arrangement of property.Such as in lower surface 15, there is rough region, this dynamometry Unit 43 can be to select and lower surface 15 by the way of moving relative to lower surface 15 The preferable arrangement of coupling arranges load cell 43.By at lower surface 15 not coordination Put place and arrange load cell 43, the ground force of lower surface 15 various location can be measured, thus The true ground force that substrate 10 exports can be known.

In one embodiment, load cell 43 is 8.

In the present embodiment, load cell 43 can be 8, it is also possible to is not 8, example Such as larger than 8 or less than 8.Load cell is the most, measures the ground force arrived the most accurate, But load cell is the most, cost is the highest.Therefore when testing the focus of 60000 pounds, cloth Put 8 load cell 43 the most economical and reasonable.

In the present embodiment, a kind of ground force test device that this utility model provides can wrap Include: data acquisition mechanism.This data acquisition mechanism include gather circuit, data acquisition panel 57, Data acquisition unit and computer.As shown in Figure 4, this data acquisition panel 57 is provided with ground Face force signal port L, specifically, this ground force signal port is L1-L24, mass body 17 Acceleration signal port Ra, the acceleration signal port Ba of substrate 10.This ground force signal end Mouth L is electrically connected with by the dynamometry part 49 of collection circuit with load cell 43, with by dynamometry part The ground force data input ground force signal port L that 49 record.The acceleration letter of this mass body 17 Number port Ra is by gathering circuit and the electric connection of the first data acquisition unit, with by the first data The acceleration signal port Ra of the acceleration signal input quality body 17 that harvester records.This base The acceleration signal port Ba of plate 10 electrically connects by gathering circuit and the second data acquisition unit Connect, the acceleration letter of the acceleration signal input substrate 10 so that the second data acquisition unit is recorded Number port Ba.This collection circuit can be data wire, holding wire.By ground force signal port L can collect the real ground force of substrate 10 output.Believed by the acceleration of mass body 17 The acceleration signal port Ba of number port Ra and substrate 10 can collect adding of mass body 17 Speed and the acceleration of substrate 10, then can calculate add by the computing formula of weighting ground force Power ground force, such that it is able to compare between the true ground force of substrate 10 output and weighting ground force Gap.When gap is bigger, need to adjust mass body 17 and the structure of substrate 10, to increase Add mass body 17 and the rigidity of substrate 10.

As it is shown in figure 5, in the present embodiment, this data acquisition panel 57 is additionally provided with can Control seismic source reference signal port REF, calculating port COM, power port P and netting twine connector NET.This controlled source reference signal port REF is by gathering circuit and controlled source communication link Connect.This controlled source reference signal may be used for triggering this data acquisition mechanism.This data acquisition The triggering of mechanism can also be by other external signal.This calculating port COM is by gathering circuit It is connected with compunication.The signal collected can be processed by this computer by software, Analyze weighting ground force, true ground force, carry out controlled source signal quality control.This power supply Port P is connected with power supply, thus provides electric energy for data acquisition mechanism.Netting twine connector NET It is connected with network, thus this data acquisition mechanism can communicate with network.

It should be understood that above description is to illustrate rather than to limit. By reading foregoing description, the many embodiments outside the example provided and many application The most all will be apparent from.Therefore, the scope of this teaching should not This determines with reference to foregoing description, but should want with reference to aforementioned claim and these rights The four corner seeking had equivalent determines.For comprehensive purpose, all articles and With reference to including that the disclosure of patent application and bulletin is all passed through with reference to being incorporated herein.In aforementioned power Profit is omitted any aspect of theme disclosed herein and is not intended to abandon in this main body in requiring Hold, also should not be considered as applicant and this theme is not thought of as the one of disclosed application theme Part.

Claims (10)

1. a ground force test device, described ground force test device is used for measuring earthquake vibration The ground force of device output, described seismic vibrator includes: can export the substrate of ground force earthward, Described substrate has can be with the lower surface of the ground coupling；It is characterized in that, described ground force is surveyed Electricity testing device includes:

Force measuring machine, it is arranged between described lower surface and ground, and described force measuring machine is used In obtaining the ground corresponding with described ground force when described lower surface exports ground force earthward Force signal；

The processing unit being electrically connected with described force measuring machine, described processing unit is used for receiving institute State ground force signal, and generate digital information according to described ground force signal.

Ground the most according to claim 1 force test device, it is characterised in that: described survey Force mechanisms includes that at least 1 load cell, described load cell are used for measuring described lower surface The ground force exported earthward.

Ground the most according to claim 2 force test device, it is characterised in that: described survey Power unit includes the dynamometry part with dynamometry head and is arranged in described dynamometry part and described lower surface Between transition body, described transition body contacts with described dynamometry head, so that described lower surface The direction of the ground force of output is consistent with the direction of the ground force measured by described dynamometry head.

Ground the most according to claim 3 force test device, it is characterised in that: described survey Power unit includes the base plate being arranged in described dynamometry part back to described transition body side, described base plate Described load cell can be stoped to be pressed in ground.

Ground the most according to claim 3 force test device, it is characterised in that: described survey Power part is multiple.

Ground the most according to claim 5 force test device, it is characterised in that: described mistake Cross body and be resisted against the described survey of 3 arrangements triangular in shape back to the side of described lower surface Power part.

Ground the most according to claim 5 force test device, it is characterised in that: described survey Power part is force transducer.

Ground the most according to claim 2 force test device, it is characterised in that: described survey Power unit is arranged under described lower surface in a predetermined manner, to measure described lower surface not Ground force at co-located.

Ground the most according to claim 2 force test device, it is characterised in that: described survey Power unit is 8.

Ground the most according to claim 1 force test device, described ground force test dress Putting the ground force for measuring seismic vibrator output, described seismic vibrator includes: can will shake Energy passes to the mass body of described substrate, it is characterised in that described ground force test device bag Including: data acquisition unit and comparing unit, described data acquisition unit includes being arranged at described matter The first data acquisition unit on amount body, the second data acquisition unit being arranged on described substrate； Described first data acquisition unit for obtain the acceleration signal of described mass body, described second Data acquisition unit is for obtaining the acceleration signal of described substrate；Described comparing unit is used for obtaining Take acceleration signal and the acceleration signal of described substrate of described mass body, and according to described matter The acceleration signal of amount body and the acceleration signal of described substrate calculate weighting ground force and described survey Difference between the described ground force that force mechanisms can be measured.