CN112281795A - Deep sea static sounding probe calibration device and method - Google Patents
Deep sea static sounding probe calibration device and method Download PDFInfo
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- CN112281795A CN112281795A CN202010987440.6A CN202010987440A CN112281795A CN 112281795 A CN112281795 A CN 112281795A CN 202010987440 A CN202010987440 A CN 202010987440A CN 112281795 A CN112281795 A CN 112281795A
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- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/022—Investigation of foundation soil in situ before construction work by investigating mechanical properties of the soil
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
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Abstract
The invention discloses a deep sea static sounding probe calibration device and a deep sea static sounding probe calibration method, wherein the deep sea static sounding probe calibration device comprises a plurality of calibration mechanisms for simulating a deep sea environment to calibrate a static sounding probe, a plurality of hydraulic pump sets for providing pressure for the calibration mechanisms, a hydraulic valve set for testing the pressure in the calibration mechanisms and a controller, each calibration mechanism comprises a water pressure test cabin for simulating the deep sea environment, a cone tip test component for calibrating cone tip parameters of the static sounding probe and a side wall test component for calibrating side wall parameters of the static sounding probe, the cone tip test component is connected with the water pressure test cabin through the side wall test component, the cone tip test component, the side wall test component and the water pressure test cabin are connected with the hydraulic pump sets through the hydraulic valve sets, and the hydraulic valve sets and the hydraulic pump sets are connected with the controller. In the invention, the hydraulic pump set injects liquid into the hydraulic pressure test cabin through the hydraulic valve set, so that enough water pressure is generated in the hydraulic pressure test cabin to simulate the deep sea environment.
Description
Technical Field
The invention relates to the field of in-situ exploration, in particular to a deep sea static sounding probe calibration device and method.
Background
Static sounding is an in-situ test method in engineering geological exploration, and can be used for dividing soil layers, judging the types of the soil layers and finding out the uniformity of a soft interlayer and a hard interlayer and the uniformity of the soil layers in the horizontal direction and the vertical direction; and evaluating engineering characteristics of the foundation soil. Static sounding is that a feeler with a cone-tip resistance sensor, a side wall friction force sensor and a pore hydraulic sensor inside is pressed into the soil at a uniform speed by a quasi-static force, because the hardness of each soil in the stratum is different, the resistance of the feeler is naturally different, the sensor inputs the penetration resistance with different sizes into a recording instrument through electric signals to record, and then the soil layer parameters are obtained through the qualitative relation and the statistical correlation among the penetration resistance, the pore hydraulic force and the engineering geological characteristics of the soil.
Therefore, the calibration work of the static sounding probe is particularly important, and the calibration work of the static sounding probe is as follows: CN109881655A discloses a deep sea static sounding probe calibration device, including probe frame, resistance to compression spring, elevating system and encapsulation complete and high pressure resistant measuring mechanism, be equipped with well core rod on the probe frame, the resistance to compression spring is located well core rod is last, the last removable probe mounting that is equipped with of measuring mechanism, the bottom of resistance to compression spring is equipped with the dead lever, the dead lever with be equipped with the probe between the measuring mechanism, elevating system's top with measuring mechanism fixed connection, dead lever, well core rod, resistance to compression spring, measuring mechanism and elevating system's central line are aligned and coaxial, probe, elevating system and measuring mechanism all are connected with external power supply electricity, probe, elevating system and measuring mechanism all are connected with external signal. However, the technical solution disclosed in the patent still has the following defects: firstly, parameters which can be calibrated by the device are very limited, and the side wall and the cone tip of the static sounding probe cannot be calibrated; secondly, a subtraction probe in the field of static sounding cannot be effectively calibrated; and thirdly, the deep sea environment cannot be simulated.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a deep sea static sounding probe calibration device, which can solve the problems that the same device cannot be used for calibrating multiple parameters of a static sounding probe and the deep sea environment cannot be simulated to effectively calibrate the static sounding probe in the prior art.
The invention also aims to provide a deep sea static sounding probe calibration method, which can solve the problems that the same equipment cannot be used for calibrating multiple parameters of a static sounding probe and the deep sea environment cannot be simulated for effectively calibrating the static sounding probe in the prior art.
In order to achieve one of the above purposes, the technical scheme adopted by the invention is as follows:
the utility model provides a deep sea static sounding probe calibration device, is including being used for simulating the deep sea environment and carrying out the calibration mechanism that marks to the static sounding probe, be used for providing the hydraulic pump group of pressure, the hydraulic valve group and the controller of the pressure that are used for testing in the calibration mechanism to the deep sea environment, calibration mechanism is including the water pressure test cabin that is used for simulating the deep sea environment, the awl point test module that is used for demarcating static sounding probe awl point parameter and the lateral wall test module that is used for demarcating static sounding probe lateral wall parameter, awl point test module passes through lateral wall test module and is connected with the water pressure test cabin, awl point test module, lateral wall test module and water pressure test cabin all are connected with the hydraulic pump group through the hydraulic valve group, hydraulic valve group and hydraulic pump group all are connected with the controller.
Preferably, the water pressure test cabin comprises a cylinder body, a calibration cylinder cover and a clamping block, wherein the cylinder body is internally provided with a water pressure cavity for simulating a deep sea environment, the calibration cylinder cover is used for covering the water pressure cavity of the cylinder body, the clamping block is used for sealing the cylinder body, the lower end of the cylinder body is connected with the side wall test component, the calibration cylinder cover is connected with the upper end of the cylinder body through the clamping block, and the water pressure cavity is connected with the hydraulic pump set through the hydraulic valve set.
Preferably, the upper end face of the calibration cylinder cover is provided with an exhaust hole communicated with the hydraulic pressure cavity, the upper end of the clamping block extends towards the exhaust hole to form a blocking block, and the blocking block is connected with the exhaust hole.
Preferably, the side wall test assembly comprises a side wall hydraulic oil cylinder for calibrating the side wall of the static sounding probe, the side wall hydraulic oil cylinder comprises an outer cylinder sleeve, an inner cylinder sleeve and a piston cylinder, the inner cylinder sleeve is connected with the upper end of the cone tip test assembly, a driving cavity for driving the piston cylinder to move is defined by the inner wall of the outer cylinder sleeve and the outer wall of the inner cylinder sleeve, a movable sleeve at one end of the piston cylinder is embedded in the driving cavity, the other end of the piston cylinder is abutted against the side wall of the static sounding probe, the driving cavity is connected with a hydraulic pump set through a hydraulic valve set, and the upper end of the outer cylinder sleeve is connected with the lower end of the hydraulic pressure test cabin.
Preferably, the test device further comprises a side wall clamping piece, wherein the movable sleeve is embedded on the static sounding probe, one end of the side wall clamping piece is connected with the other end of the piston cylinder, and the other end of the side wall clamping piece is connected with the water pressure test cabin.
Preferably, the cone tip testing component comprises a cone tip hydraulic oil cylinder used for calibrating the cone tip of the static sounding probe, the cone tip hydraulic oil cylinder comprises a rodless cavity, a rod cavity arranged at the upper end of the rodless cavity and a hydraulic rod arranged in the rod cavity, the rodless cavity is connected with the hydraulic pump set through a hydraulic valve group, the upper end of the rod cavity is connected with the lower end of the side wall testing component, and the hydraulic rod is abutted to the cone tip of the static sounding probe.
Preferably, the cone tip test assembly further comprises a holding assembly for holding the position of the cone tip of the static sounding probe, the holding assembly comprises an aligning ball, a cone tip holding seat and an elastic element, the cone tip holding seat is arranged in the inner barrel sleeve, one end of the cone tip holding seat is connected with the upper end of the hydraulic rod through the aligning ball, the upper end face, far away from the hydraulic rod, of the cone tip holding seat is sunken towards the hydraulic rod to form a placing groove for placing the cone tip of the static sounding probe, the placing groove is abutted against the cone tip of the static sounding probe, one end, far away from the hydraulic rod, of the cone tip holding seat is connected with the upper end of the hydraulic rod through the elastic element, and the upper end of the rod cavity is connected with the side wall test assembly.
Preferably, the hydraulic valve group comprises a hydraulic sensor for detecting the water pressure of the water pressure test cabin, a cone tip sensor for detecting the oil pressure of a cone tip hydraulic oil cylinder, a side wall sensor and an electromagnetic valve for detecting the oil pressure of the driving cavity, the hydraulic pump group is connected with the water pressure test cabin through the hydraulic sensor, the hydraulic pump group is connected with the cone tip test component through the cone tip sensor, the hydraulic pump group is connected with the side wall test component through the side wall sensor, the water pressure test cabin, the cone tip test component and the side wall test component are all connected with the electromagnetic valve, and the electromagnetic valve, the hydraulic sensor, the cone tip sensor and the side wall sensor are all connected with the controller.
Preferably, the hydraulic pump group comprises at least one first hydraulic pump for providing pressure for the calibration mechanism and at least one second hydraulic pump for finely adjusting the internal pressure of the calibration mechanism, the first hydraulic pump and the second hydraulic pump are both connected with the input end of the hydraulic valve group, and the first hydraulic pump and the second hydraulic pump are both connected with the controller.
In order to achieve the second purpose, the technical scheme adopted by the invention is as follows:
a deep sea static sounding probe calibration method is applied to the controller and comprises the following steps:
s1: inputting a first preset amount of liquid into the hydraulic pressure test cabin through a hydraulic pump set, so that the liquid in the hydraulic pressure test cabin applies pressure equivalent to deep sea water pressure to a main body of the static sounding probe;
s2: acquiring a pressure value in a current water pressure test chamber through a hydraulic valve group, judging whether the pressure value in the current water pressure test chamber is equal to a first preset value or not, if so, stopping pressurizing, executing S3, and if not, executing S1;
s3: inputting a second preset amount of liquid to the cone tip testing assembly through a hydraulic pump set so that the cone tip testing assembly applies pressure to the cone tip of the static sounding probe;
s4: acquiring a pressure value of the current cone tip testing assembly through the hydraulic valve bank, judging whether the pressure value in the current cone tip testing assembly is equal to a second preset value or not, if so, stopping pressurizing, and executing S5, otherwise, executing S3;
s5: inputting a third predetermined amount of liquid to the side wall testing assembly through a hydraulic pump set so that the side wall testing assembly applies pressure to the side wall of the static sounding probe;
s6: acquiring a pressure value of the current side wall testing assembly through the hydraulic valve group, judging whether the pressure value of the current side wall testing assembly is equal to a third preset value or not, if so, stopping pressurizing, executing S7, and if not, executing S5;
s7: and completing the calibration of the static sounding probe, opening the hydraulic valve group, and releasing the liquid in the calibration mechanism.
Compared with the prior art, the invention has the beneficial effects that: the deep sea environment is simulated through the water pressure test cabin, so that the calibration mechanism can calibrate the static sounding probe in the deep sea environment, and simultaneously, parameters corresponding to the cone tip and the side wall of the static sounding probe are calibrated respectively through the cone tip test component and the side wall test component, so that the calibration of the multi-parameter static sounding probe is realized; furthermore, the hydraulic pump group comprises a first hydraulic pump and a second hydraulic pump, specifically, most of liquid is input into the calibration mechanism through the first hydraulic pump, so that the calibration mechanism generates pressure close to a target pressure value, a small part of liquid is input into the calibration mechanism through the second hydraulic pump, so that the calibration mechanism generates pressure equal to the target pressure value, the numerical value of the lifting pressure of the calibration mechanism is controlled through the accurate control hydraulic pump group, and accurate calibration of the static sounding probe is realized.
Drawings
Fig. 1 is a schematic structural diagram of a deep-sea static sounding probe calibration device according to the present invention.
FIG. 2 is a schematic structural diagram of a calibration mechanism of the deep sea static sounding probe calibration device.
FIG. 3 is a flowchart of a deep-sea static sounding probe calibration method according to the present invention.
In the figure: 1-a hydraulic pump group; 11-a first hydraulic pump; 12-a second hydraulic pump; 2-a hydraulic valve group; 3-a water pressure test chamber; 31-a barrel body; 32-calibrating the cylinder cover; 33-a clamping block; 4-cone tip test assembly; 41-conical tip hydraulic cylinder; 411-rodless chamber; 412-a rod cavity; 413-hydraulic lever; 42-a retention assembly; 421-a centering ball; 422-cone tip holder; 423-a resilient element; 5-a sidewall test assembly; 51-side wall hydraulic ram; 511-outer cylinder sleeve; 512-inner cylinder sleeve; 513-a piston cylinder; 52-sidewall card.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention will be further described with reference to the accompanying drawings and the detailed description below:
in the invention, the static sounding probe is applied to ocean engineering, when the static sounding probe enters the ocean, the static sounding probe is influenced by water pressure, part of hardware deforms under the influence of the water pressure, the deformed hardware influences the parameters of the static sounding probe, and the deep sea environment (water pressure) needs to be simulated in advance in order to better calibrate the static sounding probe. The water pressure sensor, the cone tip sensor and the side wall sensor are all pressure transmitters; during calibration, the static sounding probe is connected with an external data processing terminal in a wired or wireless manner, and a controller of the deep-sea static sounding probe calibration device is also connected with the external data processing terminal in a wired or wireless manner; the hydraulic valve group 2 comprises a water pressure sensor, a cone tip sensor, a side wall sensor and electromagnetic valves for controlling the infusion pipelines, and the electromagnetic valves can be arranged in one-to-one correspondence with the water pressure test cabin 3, the cone tip test component 4 and the side wall test component 5.
The first embodiment is as follows:
as shown in fig. 1-2, a deep sea static sounding probe calibration device can simulate the real situation of a static sounding probe affected by huge water pressure in a deep sea environment, and then accurately calibrate a plurality of parameters of the static sounding probe, specifically, the device comprises a calibration mechanism for simulating the deep sea environment to calibrate the static sounding probe, a hydraulic pump set 1 for providing pressure to the calibration mechanism, a hydraulic valve set 2 for testing the pressure in the calibration mechanism, and a controller, specifically, the calibration mechanism comprises a water pressure test chamber 3 for simulating the deep sea environment, a cone tip test assembly 4 for calibrating cone tip parameters of the static sounding probe, and a side wall test assembly 5 for calibrating side wall parameters of the static sounding probe, specifically, the water pressure test chamber 3 comprises a cylinder 31, a cylinder body and a cylinder body, wherein the cylinder body is arranged in the water pressure chamber for simulating the deep sea environment, The calibrating device comprises a calibrating cylinder cover 32 and a clamping block 33, wherein the calibrating cylinder cover 32 is used for covering a hydraulic pressure cavity of the cylinder body 31, the clamping block 33 is used for sealing the cylinder body 31, the lower end of the cylinder body 31 is connected with the side wall testing component 5, the calibrating cylinder cover 32 is connected with the upper end of the cylinder body 31 through the clamping block 33, and the hydraulic pressure cavity is connected with the hydraulic pump unit 1 through the hydraulic valve group 2. Furthermore, the upper end surface of the calibration cylinder cover 32 is provided with an exhaust hole communicated with the water pressure cavity, the upper end of the clamping block 33 extends towards the exhaust hole to form a blocking block, and the blocking block is hermetically connected with the exhaust hole. After the static sounding probe is fixed in the calibration mechanism, the calibration cylinder cover 32 covers the opening of the water end of the water pressure cavity, then the first hydraulic pump set is used for pressurizing, when hydraulic oil bubbles appear at the exhaust hole, namely the water pressure cavity is filled with hydraulic oil, the calibration cylinder cover 32 and the water pressure cavity are sealed by using the clamping block 33, the sealing block is in sealing connection with the exhaust hole, the water pressure cavity becomes a sealed cavity, then the first hydraulic pump 11 of the first hydraulic pump set is used for leading to the water pressure test chamber 3 to input a first preset amount of liquid, and a second preset amount of liquid is input into the water pressure test chamber 3 through the second hydraulic pump 12, so that the liquid in the water pressure test chamber 3 applies pressure equivalent to deep sea water pressure to the static sounding probe. Furthermore, be equipped with the inlet opening of being connected with water pressure test chamber 3 on the lateral wall card 52, the water pressure test hole of static sounding probe passes through the inlet opening and communicates with water pressure test chamber 3, and the water pressure around the water pressure test hole of static sounding probe equals the water pressure in the barrel 31 promptly, so when water pressure test chamber 3 simulation deep sea environment, carries out the standardization of the water pressure parameter of static sounding probe in step.
Preferably, the cone tip testing component 4 comprises a cone tip hydraulic oil cylinder 41 for calibrating the cone tip of the static sounding probe, the cone tip hydraulic oil cylinder 41 comprises a rodless cavity 411, a rod cavity 412 arranged at the upper end of the rodless cavity 411 and a hydraulic rod 413 arranged in the rod cavity 412, the rodless cavity 411 is connected with the hydraulic pump set 1 through a hydraulic valve group 2, the upper end of the rod cavity 412 is connected with the lower end of the side wall testing component 5, and the hydraulic rod 413 abuts against the cone tip of the static sounding probe. In this embodiment, after the hydraulic pressure test chamber 3 completes the simulation of the deep sea environment, hydraulic oil is delivered to the conical-tip hydraulic cylinder 41 through the hydraulic pump unit 1, specifically, the first hydraulic pump 11 delivers a large amount of hydraulic oil to the rodless cavity 411 of the conical-tip hydraulic cylinder 41, and then the second hydraulic pump 12 delivers a small amount of hydraulic oil to the rodless cavity 411 of the conical-tip hydraulic cylinder 41, when the conical-tip sensor senses that the oil pressure of the rodless cavity 411 of the conical-tip hydraulic cylinder 41 reaches a first preset value, the hydraulic pump unit 1 is stopped from continuing pressurization, so that the oil pressure of the rodless cavity 411 is maintained at the first preset value, that is, the pressure value of the hydraulic rod 413 of the hydraulic cylinder to the conical tip of the static sounding probe is equal to the first.
Further, in order to ensure that the hydraulic rod 413 can effectively apply pressure to the cone tip of the static sounding probe, a holding assembly 42 is further arranged between the cone tip of the static sounding probe and the hydraulic rod 413, the holding assembly 42 comprises an aligning ball 421, a cone tip holding seat 422 arranged in the inner barrel sleeve 512 and an elastic element 423, one end of the cone tip holding seat 422 is connected with the upper end of the hydraulic rod 413 through the aligning ball 421, the upper end of one end of the cone tip holding seat 422 far away from the hydraulic rod 413 is recessed towards the direction of the hydraulic rod 413 to form a placing groove for placing the cone tip part of the static sounding probe, the placing groove is abutted against the cone tip of the static sounding probe, one end of the cone tip holding seat 422 far away from the hydraulic rod 413 is connected with the upper end of the hydraulic rod 413 through the elastic element 423, so that the cone tip of the static sounding probe is reliably fixed, and meanwhile, the elastic element 423 such as a spring is used, make soft contact between awl point holding seat 422 and the cone point of static cone penetration probe, avoid haring the awl point to guaranteed that hydraulic stem 413 can apply pressure to the cone point of static cone penetration probe effectively, according to the preparation standard of static cone penetration probe, the axis of the static cone penetration probe of all models should be unanimous simultaneously, so this device can be applicable to the static cone penetration probe of each model.
Preferably, the side wall testing component 5 comprises a side wall hydraulic oil cylinder 51 for calibrating the side wall of the static sounding probe, the side wall hydraulic oil cylinder 51 comprises an outer cylinder sleeve 511, an inner cylinder sleeve 512 and a piston cylinder 513, the inner cylinder sleeve 512 is connected with the upper end of the cone-tip testing component 4, a driving cavity for driving the piston cylinder 513 to move is defined by the inner wall of the outer cylinder sleeve 511 and the outer wall of the inner cylinder sleeve 512, one end of the piston cylinder 513 is movably sleeved in the driving cavity, the other end of the piston cylinder 513 is abutted against the side wall of the static sounding probe, the driving cavity is connected with the hydraulic pump set 1 through a hydraulic valve set 2, the upper end of the outer cylinder sleeve 511 is connected with the lower end of the hydraulic testing cabin 3, preferably, the side wall testing component 5 further comprises a side wall clamping sheet 52 movably sleeved in the hydraulic testing cabin 3, one end of the side wall clamping sheet 52 is connected with the other end of the, the other end of the side wall card 52 abuts the side wall of the static sounding probe. In this embodiment, when calibrating the parameters of the side wall of the static sounding probe, hydraulic oil is delivered to the side wall hydraulic oil cylinder 51 through the hydraulic pump unit 1, specifically, the first hydraulic pump 11 delivers a large amount of hydraulic oil to the driving cavity of the side wall hydraulic oil cylinder 51, and then the second hydraulic pump 12 delivers a small amount of hydraulic oil to the driving cavity of the side wall hydraulic oil cylinder 51, when the side wall sensor senses that the oil pressure in the driving cavity of the side wall hydraulic oil cylinder 51 reaches a second preset value, the hydraulic pump unit 1 stops pressurizing the side wall hydraulic oil cylinder 51, so that the oil pressure in the driving cavity is kept at the second preset value, that is, the pressure value of the piston cylinder 513 on the side wall of the static sounding probe through the side wall card 52 is equal to the second preset value, and meanwhile, the pressure value of the hydraulic rod 413 of the hydraulic oil cylinder on the cone tip of the static sounding probe is equal to the, parameters obtained by the cone tip and the side wall of the static sounding probe conform to actual conditions, so that the aim of accurate calibration is fulfilled. After the calibration of the cone tip and the side wall of the static sounding probe is completed, the hydraulic oil in the rodless cavity 411 and the driving cavity can be released by opening the electromagnetic valve of the hydraulic valve group 2.
Simultaneously in order to guarantee the accuracy of a plurality of parameters of static sounding probe, hydraulic pressure valves 2 is including being used for detecting 3 hydraulic pressure's in water pressure test chamber water pressure sensor, the awl point sensor that is used for detecting 41 oil pressures in awl point hydraulic cylinder, the solenoid valve that is used for detecting the lateral wall sensor of drive chamber oil pressure and is used for controlling each infusion line, and in this embodiment, water pressure sensor is connected with water pressure test chamber 3, and the awl point sensor is connected with awl point test component 4, and the lateral wall sensor is connected with lateral wall test component 5, water pressure sensor, awl point sensor and lateral wall sensor all are connected with the controller. In the calibration process, the water pressure sensor, the cone tip sensor and the side wall sensor respectively acquire pressure values corresponding to the water pressure test chamber 3, the cone tip test component 4 and the side wall test component 5, and then the pressure values acquired by the sensors are compared with the pressure values acquired by the sensors arranged in the static cone penetration probe and calibrated.
Preferably, in this embodiment, in order to make the calibration result more convincing, a comparison experiment may be performed by providing a plurality of calibration mechanisms. During calibration, the hydraulic pump unit 1 is simultaneously communicated with all the calibration mechanisms through the hydraulic valve group 2, so that all the calibration mechanisms can simultaneously obtain the same amount of hydraulic oil, and the calibration mechanisms generate the same pressure on the static sounding probe. Furthermore, the number of the hydraulic pump sets 1 is 3, and the hydraulic pump sets are respectively marked as a first hydraulic pump set, a second hydraulic pump set and a third hydraulic pump set, the first hydraulic pump set is used for pressurizing the water pressure test chambers 3 of all the calibration mechanisms, the second hydraulic pump set is used for pressurizing the cone tip test assemblies 4 of all the calibration mechanisms, the third hydraulic pump set is used for pressurizing the side wall test assemblies 5 of all the calibration mechanisms, when the first hydraulic pump set works, after all the water pressure test chambers 3 in the same deep sea static sounding head calibration device obtain the same amount of pressurization/depressurization, when the second hydraulic pump set and the third hydraulic pump set work, the same process is carried out. Preferably, each hydraulic pump group 1 shown comprises a first hydraulic pump 11 for providing pressure to the calibration mechanism and a second hydraulic pump 12 for finely adjusting the internal pressure of the calibration mechanism, the first hydraulic pump 11 and the second hydraulic pump 12 are both connected with the input end of the hydraulic valve group 2, the first hydraulic pump 11 and the second hydraulic pump 12 are both connected with the controller, in the embodiment, most of the liquid is firstly input to the calibration mechanism through the first hydraulic pump 11, so that the calibration mechanism generates pressure close to a target pressure value, and then a small part of the liquid is input to the calibration mechanism through the second hydraulic pump 12, so that the calibration mechanism generates pressure equal to the target pressure value, the first predetermined amount, the third predetermined amount and the fifth predetermined amount are only one predetermined value close to the target predetermined value (which can also be understood as a range), and the second predetermined amount, the fourth predetermined amount and the sixth predetermined amount are the first predetermined amount, the fourth predetermined amount, Specifically, when the calibration mechanism needs to generate 2.001 mpa pressure for calibration, wherein a first hydraulic pump 11 can provide a liquid capable of generating 1 mpa to the calibration mechanism through single operation, a second hydraulic pump 12 can lift 100 pa through single operation, and when the calibration of the static sounding probe is performed, the liquid capable of generating 2 mpa is input to the calibration mechanism through the first hydraulic pump 11, and then the liquid capable of generating 0.001 mpa is input to the calibration mechanism through the second hydraulic pump 12, so that the calibration mechanism finally obtains the liquid capable of generating 2.001 mpa, and therefore the precise calibration of the static sounding probe is realized by precisely controlling the value of the pressure lifted by the hydraulic pump set 1 to the calibration mechanism.
Example two:
as shown in fig. 3, a deep-sea static sounding probe calibration method applied to the controller in the first embodiment includes the following steps:
before calibrating the static sounding probe, firstly embedding the side wall card 52 on the side wall of the static sounding probe, then fixing the static sounding probe into the calibration mechanism, so that the cone tip of the static sounding probe is abutted with the placing groove of the cone tip holding seat 422, the lower end of the side wall card 52 is abutted with the piston cylinder 513, and the main body of the static sounding probe is positioned in the water pressure test chamber 3, and then executing the following steps to perform calibration operation.
S1: inputting a first preset amount of liquid into the hydraulic pressure test chamber 3 through the hydraulic pump unit 1, so that the liquid in the hydraulic pressure test chamber 3 applies pressure equivalent to deep sea water pressure to the main body of the static sounding probe;
specifically, the deep sea environment is simulated through the water pressure test chamber 3, and then calibration operation is performed, in this embodiment, a large amount of liquid is input into the water pressure cavity through the first hydraulic pump 11, where the liquid may be water or hydraulic oil, so that the amount of the liquid in the water pressure cavity is close to a first predetermined amount, and then a small amount of liquid is input into the water pressure cavity through the second hydraulic pump 12, so that the amount of the liquid in the water pressure cavity is equal to the first predetermined amount, where the first predetermined amount is the amount of the liquid which is equivalent to the deep sea water pressure generated by the static sounding probe in the water pressure test chamber 3.
S2: acquiring a pressure value in the current water pressure test chamber 3 through the hydraulic valve group 2, judging whether the pressure value in the current water pressure test chamber 3 is equal to a first preset value or not, if so, stopping pressurizing, executing S3, and if not, executing S1;
specifically, as more liquid is input into the hydraulic pressure test chamber 3 by the hydraulic pump unit 1, the pressure in the hydraulic pressure test chamber 3 is larger, the pressure value of the current hydraulic pressure test chamber 3 is obtained through a hydraulic pressure sensor connected to the hydraulic pressure test chamber 3 in the hydraulic valve group 2, the pressure value in the current hydraulic pressure test chamber 3 is equal to a first preset value, pressurization can be stopped, and if not, pressurization is continued, wherein the first preset value is equal to a pressure value generated by a first preset amount of liquid in the hydraulic pressure test chamber 3 to the static sounding probe.
Meanwhile, a water pressure sensor is further arranged inside the static sounding probe, when the pressure value in the water pressure test chamber 3 is equal to a first preset value, the water pressure sensor inside the static sounding probe can be calibrated, in the embodiment, the water pressure sensor inside the static sounding probe is connected with the outside through a water pressure test hole formed in the side wall of the static sounding probe, the side wall card 52 is provided with a water inlet hole communicated with the water pressure test hole and the water pressure test chamber 3, when water pressure exists in the water pressure test chamber 3, the water pressure sensor inside the static sounding probe obtains the water pressure value in the water pressure test chamber 3 through the water pressure test hole, so that the water pressure sensor inside the static sounding probe is calibrated, and when the static sounding probe is in a deep sea environment, the water pressure sensor inside the static sounding probe can be influenced by the confining pressure of seawater wrapped around the static sounding probe, in this embodiment, the body of the static sounding probe is also wrapped by the liquid in the water pressure test chamber 3, so that the deep sea environment can be fully simulated, the calibration of the static sounding probe is more reasonable, and after the calibration of the side wall, the conical tip and the like of the static sounding probe is completed, the liquid in the water pressure test chamber 3 is released.
In addition, when each sensor in the static sounding probe needs to be calibrated independently or calibrated regularly (in a non-deep sea environment), after the calibration of the water pressure sensor in the static sounding probe is completed, the electromagnetic valve corresponding to the water pressure testing cabin 3 is opened, liquid in the water pressure testing cabin 3 is released, and then the calibration of other sensors in the static sounding probe is performed.
In this embodiment, the multi-parameter static sounding probe calibration method may be applied to an addition probe, a subtraction probe, and the like, where a cone tip pressure sensor and a sidewall pressure sensor of the addition probe are separated from each other, the cone tip pressure sensor and the sidewall pressure sensor inside the subtraction probe are connected into a whole, or the cone tip and the sidewall of the static sounding probe share the same pressure sensor. When the static sounding probe penetrates into a soil layer, the cone tip and the side wall are simultaneously stressed, if the static sounding probe is an addition probe, any one of the cone tip and the side wall can be separately calibrated, and if the static sounding probe is a subtraction probe, the cone tip and the side wall are respectively calibrated, so that parameters obtained by the pressure sensor are inaccurate and cannot be accurately calibrated; in order to simulate the real situation, when calibrating the parameters corresponding to either one or both of the cone tip and the side wall of the subtraction probe, pressure is applied to the cone tip and the side wall of the static sounding probe at the same time.
Specifically, when the static cone penetration probe is an addition probe, the following steps are executed:
s3: inputting a second preset amount of liquid to the cone tip testing assembly 4 through the hydraulic pump unit 1, so that the cone tip testing assembly 4 applies pressure to the cone tip of the static sounding probe;
specifically, after the hydraulic pressure test chamber 3 simulates and maintains the deep sea environment state, the hydraulic pump unit 1 may input liquid to the cone tip test assembly 4, so that the cone tip test assembly 4 applies pressure to the cone tip of the static sounding probe, in this embodiment, the S3 is specifically implemented by the following steps:
s31: liquid is input to the rodless cavity 411 of the conical-tip hydraulic oil cylinder 41 through the first hydraulic pump 11;
specifically, a large amount of liquid is input into the rodless cavity 411 of the conical-tip hydraulic cylinder 41 through the first hydraulic pump 11, so that the amount of liquid in the rodless cavity 411 of the conical-tip hydraulic cylinder 41 approaches a second predetermined amount.
S32: liquid is input into the rodless cavity 411 of the conical-tip hydraulic oil cylinder 41 through the second hydraulic pump 12, so that the amount of the liquid in the rodless cavity 411 of the conical-tip hydraulic oil cylinder 41 is equal to a second preset amount;
when the liquid amount in the rodless cavity 411 of the cone-point hydraulic oil cylinder 41 is close to a second preset amount, a small amount of liquid is input into the rodless cavity 411 of the cone-point hydraulic oil cylinder through the second hydraulic pump 12, so that the liquid amount in the rodless cavity 411 of the cone-point hydraulic oil cylinder 41 is equal to a second preset amount, and the second preset amount is enough to generate the liquid amount in the rodless cavity 411 of the cone-point hydraulic oil cylinder, wherein the liquid amount is equivalent to the pressure of a soil layer on a cone tip in normal static sounding operation.
S33: the hydraulic rod 413 of the cone tip hydraulic cylinder 41 is actuated to apply pressure to the cone tip of the static cone penetration probe through the holding assembly 42.
Specifically, as the liquid input into the rodless cavity 411 of the cone-point hydraulic oil cylinder 41 by the hydraulic pump unit 1 gradually increases, the pressure applied to the cone point of the static sounding probe by the hydraulic rod 413 through the holding assembly 42 gradually increases until the pressure applied to the cone point of the static sounding probe by the hydraulic rod 413 through the holding assembly 42 is equal to a second predetermined value, wherein the second predetermined value is equal to the pressure value generated by the second predetermined amount of liquid to the static sounding probe in the rodless cavity 411 of the cone-point hydraulic oil cylinder.
S4: acquiring a pressure value of the current cone tip testing assembly 4 through the hydraulic valve group 2, judging whether the pressure value in the current cone tip testing assembly 4 is equal to a second preset value or not, if so, stopping pressurizing, and executing S5, otherwise, executing S3;
specifically, the pressure in the rodless cavity 411 of the conical-tip hydraulic cylinder 41 is obtained through a conical-tip sensor connected with the rodless cavity 411 of the conical-tip hydraulic cylinder 41 in the hydraulic valve bank 2, it is further judged that the hydraulic rod 413 applies pressure to the conical tip of the static sounding probe through the holding component 42, according to a newton's third law, the pressure in the rodless cavity 411 is equal to the pressure applied to the conical tip of the static sounding probe by the hydraulic rod 413 through the holding component 42, if the current pressure value in the conical-tip test component 4 is equal to the second preset value, the hydraulic pump set 1 stops conveying liquid into the rodless cavity 411 of the conical-tip hydraulic cylinder 41, and further stops pressurizing, and if the current pressure value in the conical-tip test component 4 is smaller than the second preset value, pressurization is continued.
Further, because the cone tip sensor and the side wall sensor in the addition probe are separated from each other and can be calibrated independently, the liquid in the rodless cavity 411 of the cone tip hydraulic oil cylinder can be discharged at the moment and can also be continuously reserved.
S5: inputting a third predetermined amount of liquid to the side wall testing assembly 5 through the hydraulic pump unit 1 so that the side wall testing assembly 5 applies pressure to the side wall of the static sounding probe;
preferably, S5 is implemented by the following steps:
s51: liquid is input into a driving cavity of the side wall hydraulic oil cylinder 51 through the first hydraulic pump 11;
specifically, a large amount of liquid is input to the drive chamber of the side wall hydraulic cylinder 51 by the first hydraulic pump 11 so that the amount of liquid in the drive chamber of the side wall hydraulic cylinder 51 approaches the third predetermined amount.
S52: inputting liquid into the drive chamber of side-wall hydraulic cylinder 51 by second hydraulic pump 12 such that the amount of liquid in the drive chamber of side-wall hydraulic cylinder 51 is equal to a third predetermined amount;
when the liquid amount in the driving cavity of the side wall hydraulic cylinder 51 by the second hydraulic pump 12 is close to a third predetermined amount, a small amount of liquid is input into the driving cavity of the side wall hydraulic cylinder 51 through the second hydraulic pump 12, so that the liquid amount in the driving cavity of the side wall hydraulic cylinder 51 is equal to a third preset amount, and the third preset amount is enough to generate the liquid amount in the driving cavity of the side wall hydraulic cylinder 51, wherein the liquid amount is equivalent to the soil layer-to-side wall pressure in normal static sounding operation.
S53: the piston cylinder 513 of the side wall hydraulic ram 51 applies pressure to the side wall of the static sounding probe via the side wall card 52.
Specifically, as the amount of liquid input into the driving cavity of the side wall hydraulic oil cylinder 51 by the hydraulic pump unit 1 increases gradually, the pressure applied to the side wall of the static sounding probe by the piston cylinder 513 through the side wall card 52 increases gradually until the pressure applied to the side wall of the static sounding probe by the piston cylinder 513 through the side wall card 52 is equal to a third preset value, where the third preset value is equal to a pressure value generated by a third predetermined amount of liquid in the driving cavity of the side wall hydraulic oil cylinder 51 on the static sounding probe.
S6: acquiring a pressure value of the current side wall testing assembly 5 through the hydraulic valve group 2, judging whether the pressure value of the current side wall testing assembly 5 is equal to a third preset value or not, if so, stopping pressurizing, executing S7, and if not, executing S5;
specifically, a pressure value in the driving cavity of the side wall hydraulic cylinder 51 is obtained through a side wall sensor connected with the driving cavity of the side wall hydraulic cylinder 51 in the hydraulic valve group 2, and then whether the pressure value in the driving cavity of the side wall hydraulic cylinder 51 is equal to a third preset value or not is judged, if yes, the hydraulic pump group 1 stops inputting liquid into the driving cavity of the side wall hydraulic cylinder 51, and then stops increasing the pressure in the driving cavity of the side wall hydraulic cylinder 51, and if not, pressurization is performed.
Preferably, the calibration operations of the cone tip sensor and the side wall sensor in the addition probe are not in a specific sequence, and can be respectively implemented in a front-back mode and a simultaneous mode.
S7: and completing the calibration of the static sounding probe, opening the hydraulic valve group 2, and releasing the liquid in the calibration mechanism.
Specifically, after the calibration of the static sounding probe is completed, the hydraulic valve group 2 is opened, the liquid in the cone tip testing component 4 and/or the side wall testing component 5 of the calibration mechanism is released, and the next calibration is performed.
Specifically, when the static cone penetration probe is a subtraction probe, the following steps are executed:
s3: inputting a second preset amount of liquid to the cone tip testing assembly 4 through the hydraulic pump unit 1, so that the cone tip testing assembly 4 applies pressure to the cone tip of the static sounding probe;
specifically, after the hydraulic pressure test chamber 3 simulates and maintains the deep sea environment state, the hydraulic pump unit 1 may input liquid to the cone tip test assembly 4, so that the cone tip test assembly 4 applies pressure to the cone tip of the static sounding probe, in this embodiment, the S3 is specifically implemented by the following steps:
s31: liquid is input to the rodless cavity 411 of the conical-tip hydraulic oil cylinder 41 through the first hydraulic pump 11;
specifically, a large amount of liquid is input into the rodless cavity 411 of the conical-tip hydraulic cylinder 41 through the first hydraulic pump 11, so that the amount of liquid in the rodless cavity 411 of the conical-tip hydraulic cylinder 41 approaches a second predetermined amount.
S32: liquid is input into the rodless cavity 411 of the conical-tip hydraulic oil cylinder 41 through the second hydraulic pump 12, so that the amount of the liquid in the rodless cavity 411 of the conical-tip hydraulic oil cylinder 41 is equal to a second preset amount;
when the liquid amount in the rodless cavity 411 of the cone-point hydraulic oil cylinder 41 is close to a second preset amount, a small amount of liquid is input into the rodless cavity 411 of the cone-point hydraulic oil cylinder through the second hydraulic pump 12, so that the liquid amount in the rodless cavity 411 of the cone-point hydraulic oil cylinder 41 is equal to a second preset amount, and the second preset amount is enough to generate the liquid amount in the rodless cavity 411 of the cone-point hydraulic oil cylinder, wherein the liquid amount is equivalent to the pressure of a soil layer on a cone tip in normal static sounding operation.
S33: the hydraulic rod 413 of the cone tip hydraulic cylinder 41 is actuated to apply pressure to the cone tip of the static cone penetration probe through the holding assembly 42.
Specifically, as the liquid input into the rodless cavity 411 of the cone-point hydraulic oil cylinder 41 by the hydraulic pump unit 1 gradually increases, the pressure applied to the cone point of the static sounding probe by the hydraulic rod 413 through the holding assembly 42 gradually increases until the pressure applied to the cone point of the static sounding probe by the hydraulic rod 413 through the holding assembly 42 is equal to a second predetermined value, wherein the second predetermined value is equal to the pressure value generated by the second predetermined amount of liquid to the static sounding probe in the rodless cavity 411 of the cone-point hydraulic oil cylinder.
S4: acquiring a pressure value of the current cone tip testing assembly 4 through the hydraulic valve group 2, judging whether the pressure value in the current cone tip testing assembly 4 is equal to a second preset value or not, if so, stopping pressurizing, and executing S5, otherwise, executing S3;
specifically, the pressure in the rodless cavity 411 of the conical-tip hydraulic cylinder 41 is obtained through a conical-tip sensor connected with the rodless cavity 411 of the conical-tip hydraulic cylinder 41 in the hydraulic valve bank 2, it is further judged that the hydraulic rod 413 applies pressure to the conical tip of the static sounding probe through the holding component 42, according to a newton's third law, the pressure in the rodless cavity 411 is equal to the pressure applied to the conical tip of the static sounding probe by the hydraulic rod 413 through the holding component 42, if the current pressure value in the conical-tip test component 4 is equal to the second preset value, the hydraulic pump set 1 stops conveying liquid into the rodless cavity 411 of the conical-tip hydraulic cylinder 41, and further stops pressurizing, and if the current pressure value in the conical-tip test component 4 is smaller than the second preset value, pressurization is continued.
Further, since the cone tip sensor and the sidewall sensor inside the subtraction probe are connected to each other (or the cone tip and the sidewall share the same sensor), the cone tip and the sidewall of the subtraction probe cannot be calibrated independently, so that the liquid in the rodless cavity 411 of the cone tip hydraulic cylinder must be kept constant, so that the pressure applied by the hydraulic rod 413 to the cone tip of the static sounding probe through the holding assembly 42 is kept constant.
S5: inputting a third predetermined amount of liquid to the side wall testing assembly 5 through the hydraulic pump unit 1 so that the side wall testing assembly 5 applies pressure to the side wall of the static sounding probe;
preferably, S5 is implemented by the following steps:
s51: liquid is input into a driving cavity of the side wall hydraulic oil cylinder 51 through the first hydraulic pump 11;
specifically, a large amount of liquid is input to the drive chamber of the side wall hydraulic cylinder 51 by the first hydraulic pump 11 so that the amount of liquid in the drive chamber of the side wall hydraulic cylinder 51 approaches the third predetermined amount.
S52: inputting liquid into the drive chamber of side-wall hydraulic cylinder 51 by second hydraulic pump 12 such that the amount of liquid in the drive chamber of side-wall hydraulic cylinder 51 is equal to a third predetermined amount;
when the liquid amount in the driving cavity of the side wall hydraulic cylinder 51 by the second hydraulic pump 12 is close to a third predetermined amount, a small amount of liquid is input into the driving cavity of the side wall hydraulic cylinder 51 through the second hydraulic pump 12, so that the liquid amount in the driving cavity of the side wall hydraulic cylinder 51 is equal to a third preset amount, and the third preset amount is enough to generate the liquid amount in the driving cavity of the side wall hydraulic cylinder 51, wherein the liquid amount is equivalent to the soil layer-to-side wall pressure in normal static sounding operation.
S53: the piston cylinder 513 of the side wall hydraulic ram 51 applies pressure to the side wall of the static sounding probe via the side wall card 52.
Specifically, as the amount of liquid input into the driving cavity of the side wall hydraulic oil cylinder 51 by the hydraulic pump unit 1 increases gradually, the pressure applied to the side wall of the static sounding probe by the piston cylinder 513 through the side wall card 52 increases gradually until the pressure applied to the side wall of the static sounding probe by the piston cylinder 513 through the side wall card 52 is equal to a third preset value, where the third preset value is equal to a pressure value generated by a third predetermined amount of liquid in the driving cavity of the side wall hydraulic oil cylinder 51 on the static sounding probe.
S6: acquiring a pressure value of the current side wall testing assembly 5 through the hydraulic valve group 2, judging whether the pressure value of the current side wall testing assembly 5 is equal to a third preset value or not, if so, stopping pressurizing, executing S7, and if not, executing S5;
specifically, a pressure value in the driving cavity of the side wall hydraulic cylinder 51 is obtained through a side wall sensor connected with the driving cavity of the side wall hydraulic cylinder 51 in the hydraulic valve group 2, and then whether the pressure value in the driving cavity of the side wall hydraulic cylinder 51 is equal to a third preset value or not is judged, if yes, the hydraulic pump group 1 stops inputting liquid into the driving cavity of the side wall hydraulic cylinder 51, and then stops increasing the pressure in the driving cavity of the side wall hydraulic cylinder 51, and if not, pressurization is performed.
Preferably, the cone tip testing component 4 and the side wall testing component 5 in the calibration mechanism should apply pressure to the static sounding probe at the same time and then perform calibration, and further, the order of applying pressure to the cone tip of the static sounding probe by the cone tip testing component 4 and applying pressure to the side wall of the static sounding probe by the side wall testing component 5 is not limited, and the pressure can be applied respectively in the front and back direction or simultaneously, but the cone tip and the side wall of the static sounding probe must obtain corresponding pressure at the same time to perform calibration.
S7: and completing the calibration of the static sounding probe, opening the hydraulic valve group 2, and releasing the liquid in the calibration mechanism.
Specifically, after the static sounding probe is calibrated, the hydraulic valve group 2 is opened, the liquid in the cone tip testing component 4 and the side wall testing component 5 of the calibration mechanism is released, and then the next calibration is performed.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a deep sea static sounding probe calibration device which characterized in that: the cone tip test device comprises a calibration mechanism for simulating a deep sea environment to calibrate a static sounding probe, a hydraulic pump set for providing pressure for the calibration mechanism, a hydraulic valve set for testing the pressure in the calibration mechanism and a controller, wherein the calibration mechanism comprises a water pressure test cabin for simulating the deep sea environment, a cone tip test component for calibrating cone tip parameters of the static sounding probe and a side wall test component for calibrating side wall parameters of the static sounding probe, the cone tip test component is connected with the water pressure test cabin through the side wall test component, the cone tip test component, the side wall test component and the water pressure test cabin are all connected with the hydraulic pump set through the hydraulic valve set, and the hydraulic valve set and the hydraulic pump set are all connected with the controller.
2. The deep-sea static sounding probe calibration device of claim 1, wherein: the water pressure test cabin comprises a barrel body, a calibration barrel cover and a clamping block, wherein the barrel body is internally provided with a water pressure cavity for simulating a deep sea environment, the calibration barrel cover is used for covering the water pressure cavity of the barrel body, the clamping block is used for sealing the barrel body, the lower end of the barrel body is connected with the side wall test component, the calibration barrel cover is connected with the upper end of the barrel body through the clamping block, and the water pressure cavity is connected with the hydraulic pump set through the hydraulic valve set.
3. The deep sea static sounding probe calibration device of claim 2, wherein: the calibration cylinder cover is characterized in that an exhaust hole communicated with the water pressure cavity is formed in the upper end face of the calibration cylinder cover, the upper end of the clamping block extends towards the exhaust hole to form a blocking block, and the blocking block is connected with the exhaust hole.
4. The deep-sea static sounding probe calibration device of claim 1, wherein: the side wall test assembly comprises a side wall hydraulic oil cylinder used for calibrating the side wall of the static sounding probe, the side wall hydraulic oil cylinder comprises an outer cylinder sleeve, an inner cylinder sleeve and a piston cylinder, the inner cylinder sleeve is connected with the upper end of the cone tip test assembly, a driving cavity used for driving the piston cylinder to move is defined by the inner wall of the outer cylinder sleeve and the outer wall of the inner cylinder sleeve, a movable sleeve at one end of the piston cylinder is embedded in the driving cavity, the other end of the piston cylinder is abutted against the side wall of the static sounding probe, the driving cavity is connected with a hydraulic pump set through a hydraulic valve set, and the upper end of the outer cylinder sleeve is connected with the lower end of the hydraulic test cabin.
5. The deep-sea static sounding probe calibration device of claim 4, wherein: the static sounding probe also comprises a side wall card embedded on the static sounding probe, wherein one end of the side wall card is connected with the other end of the piston cylinder, and the other end of the side wall card is connected with the water pressure test cabin.
6. The deep-sea static sounding probe calibration device of claim 1, wherein: the cone point testing assembly comprises a cone point hydraulic oil cylinder used for calibrating a cone point of the static sounding probe, the cone point hydraulic oil cylinder comprises a rodless cavity, a rod cavity and a hydraulic rod, the rod cavity is arranged at the upper end of the rodless cavity, the hydraulic rod is arranged in the rod cavity, the rodless cavity is connected with a hydraulic pump set through a hydraulic valve group, the upper end of the rod cavity is connected with the lower end of the side wall testing assembly, and the hydraulic rod is in butt joint with the cone point of the static sounding probe.
7. The deep-sea static sounding probe calibration device of claim 6, wherein: the cone tip testing assembly further comprises a holding assembly used for holding the cone tip position of the static sounding probe, the holding assembly comprises an aligning ball, a cone tip holding seat and an elastic element, the cone tip holding seat is arranged in the inner barrel sleeve, one end of the cone tip holding seat is connected with the upper end of the hydraulic rod through the aligning ball, the upper end face, far away from the hydraulic rod, of the cone tip holding seat is sunken towards the direction of the hydraulic rod to form a placing groove used for placing the cone tip of the static sounding probe, the placing groove is abutted to the cone tip of the static sounding probe, one end, far away from the hydraulic rod, of the cone tip holding seat is connected with the upper end of the hydraulic rod through the elastic element, and the upper end of the rod cavity is connected with the side wall testing assembly.
8. The deep-sea static sounding probe calibration device of claim 1, wherein: the hydraulic valve group comprises a hydraulic sensor for detecting the water pressure of a water pressure test cabin, a cone tip sensor for detecting the oil pressure of a cone tip hydraulic oil cylinder, a side wall sensor and an electromagnetic valve for detecting the oil pressure of a driving cavity, wherein the hydraulic pump group is connected with the water pressure test cabin through the hydraulic sensor, the hydraulic pump group is connected with a cone tip test assembly through the cone tip sensor, the hydraulic pump group is connected with the side wall test assembly through the side wall sensor, the water pressure test cabin, the cone tip test assembly and the side wall test assembly are all connected with the electromagnetic valve, and the electromagnetic valve, the water pressure sensor, the cone tip sensor and the side wall sensor are all connected with the controller.
9. The deep-sea static sounding probe calibration device of claim 1, wherein: the hydraulic pump group comprises at least one first hydraulic pump used for providing pressure for the calibration mechanism and at least one second hydraulic pump used for finely adjusting the internal pressure of the calibration mechanism, the first hydraulic pump and the second hydraulic pump are both connected with the input end of the hydraulic valve group, and the first hydraulic pump and the second hydraulic pump are both connected with the controller.
10. A deep sea static sounding probe calibration method applied to the controller of any one of claims 1-9, comprising the steps of:
s1: inputting a first preset amount of liquid into the hydraulic pressure test cabin through a hydraulic pump set, so that the liquid in the hydraulic pressure test cabin applies pressure equivalent to deep sea water pressure to a main body of the static sounding probe;
s2: acquiring a pressure value in a current water pressure test chamber through a hydraulic valve group, judging whether the pressure value in the current water pressure test chamber is equal to a first preset value or not, if so, stopping pressurizing, executing S3, and if not, executing S1;
s3: inputting a second preset amount of liquid to the cone tip testing assembly through a hydraulic pump set so that the cone tip testing assembly applies pressure to the cone tip of the static sounding probe;
s4: acquiring a pressure value of the current cone tip testing assembly through the hydraulic valve bank, judging whether the pressure value in the current cone tip testing assembly is equal to a second preset value or not, if so, stopping pressurizing, and executing S5, otherwise, executing S3;
s5: inputting a third predetermined amount of liquid to the side wall testing assembly through a hydraulic pump set so that the side wall testing assembly applies pressure to the side wall of the static sounding probe;
s6: acquiring a pressure value of the current side wall testing assembly through the hydraulic valve group, judging whether the pressure value of the current side wall testing assembly is equal to a third preset value or not, if so, stopping pressurizing, executing S7, and if not, executing S5;
s7: and completing the calibration of the static sounding probe, opening the hydraulic valve group, and releasing the liquid in the calibration mechanism.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090036193A (en) * | 2007-10-09 | 2009-04-14 | 고려대학교 산학협력단 | Micro-cone penetrometer testing device |
| CN109881655A (en) * | 2019-04-22 | 2019-06-14 | 中国科学院深海科学与工程研究所 | A kind of deep-sea static sounding probe caliberating device |
| CN110952521A (en) * | 2019-12-26 | 2020-04-03 | 国家海洋局南海标准计量中心 | Detection equipment and method for ocean static penetrometer |
| CN211205361U (en) * | 2020-01-11 | 2020-08-07 | 广州高奇海洋科技有限公司 | In-situ test probe calibration detection device |
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2020
- 2020-09-18 CN CN202010987440.6A patent/CN112281795B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090036193A (en) * | 2007-10-09 | 2009-04-14 | 고려대학교 산학협력단 | Micro-cone penetrometer testing device |
| CN109881655A (en) * | 2019-04-22 | 2019-06-14 | 中国科学院深海科学与工程研究所 | A kind of deep-sea static sounding probe caliberating device |
| CN110952521A (en) * | 2019-12-26 | 2020-04-03 | 国家海洋局南海标准计量中心 | Detection equipment and method for ocean static penetrometer |
| CN211205361U (en) * | 2020-01-11 | 2020-08-07 | 广州高奇海洋科技有限公司 | In-situ test probe calibration detection device |
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