CN210031753U - Novel multifunctional digital probe - Google Patents
Novel multifunctional digital probe Download PDFInfo
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- CN210031753U CN210031753U CN201920533037.9U CN201920533037U CN210031753U CN 210031753 U CN210031753 U CN 210031753U CN 201920533037 U CN201920533037 U CN 201920533037U CN 210031753 U CN210031753 U CN 210031753U
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Abstract
The utility model discloses a novel multi-functional digital probe, including the awl point, the casing subassembly, the pore pressure sensor, awl point resistance foil gage, the side foil gage, the deviational survey sensor, a weighing sensor and a temperature sensor, the electrode ring, insulating cover, seal assembly, the pore pressure sensor, awl point resistance foil gage, the side foil gage, deviational survey sensor and temperature sensor locate in the casing subassembly, and be equipped with seal assembly between the casing subassembly, and be connected with cable joint or master controller singlechip respectively, be equipped with insulating cover between electrode ring and the casing subassembly, the singlechip is connected with digital communication module, transmit the physical quantity that senses separately to ground equipment. The temperature compensation parameter and the resistivity parameter are provided while the conventional physical and mechanical parameters are measured, the measurement parameters are corrected according to the inclination condition of the probe, the insulating sleeve and the sealing assembly convert analog signals into digital signals for transmission, and therefore the accuracy of sounding data can be effectively improved, and the service life of the probe can be effectively prolonged.
Description
Technical Field
The utility model relates to a static sounding technical field, concretely relates to novel multi-functional digital probe.
Background
Static sounding is an important means for in-situ soil exploration in the field of geotechnical engineering, namely, a probe rod provided with a probe is penetrated into a soil layer by using a penetration device, the physical characteristics of the in-situ soil body, such as engineering evaluation parameters of deformation modulus of soil, allowable bearing capacity of soil and the like, are measured and evaluated by sensors such as cone tip resistance, side wall friction force, pore water pressure of soil and the like arranged on the probe, the temperature of the working environment of the probe can be detected by using a temperature sensor, and temperature compensation parameters are provided for measuring the cone tip resistance, the side wall friction force and the pore pressure water pressure.
With the continuous emergence of ocean engineering projects and requirements such as modern high-rise buildings, sea-blocking dams, ports, wharfs, artificial island reefs, offshore wind power infrastructure, cross-sea bridges and the like, the exploration depth of static sounding is deeper and deeper, but deep static sounding is easy to have hole skewness, and because an inner hole for laying communication lines needs to be formed in a probe rod, when the number of laid communication lines is increased, the hole diameter of the inner hole of the probe rod needs to be increased, so that enough space is provided for laying the communication lines, in addition, the insulation degree and the sealing quality of a probe are one of the technical standards of the static sounding, and the insulation degree and the sealing quality of the probe directly influence the accuracy of sounding data and the service life of the probe.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel multi-functional digital probe provides temperature compensation parameter and resistivity parameter when recording conventional physics mechanics parameter, can revise measurement parameter according to the probe slope condition to effectively improve the life of probe through insulating cover and seal assembly's setting.
In order to achieve the above object, the utility model adopts the following technical scheme:
a novel multifunctional digital probe comprises a cone tip, a shell component, a pore pressure sensor, a cone tip resistance strain gauge, a side friction strain gauge, a cone tip elastomer and a sealing component;
the shell assembly comprises a side wall friction cylinder and a tailstock, wherein the lower end of the side wall friction cylinder is provided with a conical tip, the upper end of the side wall friction cylinder is provided with the tailstock, the tailstock is provided with a connector socket, a cable connector is arranged on the connector socket, the upper end of an elastomer with the conical tip is fixedly connected with the tailstock, the outer wall of the elastomer with the conical tip is provided with a protruding step, and the upper end surface of the side wall friction cylinder is matched and positioned with the lower end surface of the protruding step or the lower end surface;
the pore pressure sensor, the conical tip resistance strain gauge and the side friction strain gauge are arranged in the shell assembly, a sealing assembly is arranged between the pore pressure sensor, the conical tip resistance strain gauge and the shell assembly, and the pore pressure sensor, the conical tip resistance strain gauge and the side friction strain gauge are respectively connected with a cable joint.
Preferably, the friction sleeve further comprises a conical side connector, a hole pressure connector and a side friction elastic body, wherein the conical side connector is arranged between the conical tip and the conical tip elastic body and supports the lower end of the side wall friction cylinder, and a conical tip resistance strain gauge is arranged on the outer wall of the conical tip elastic body;
a hole pressure connector is inserted in the cone side connector, the lower end of the hole pressure connector is fixedly connected with the cone tip, the upper end of the hole pressure connector is fixedly connected with the cone tip elastic body, and a hole pressure sensor is arranged on the hole pressure connector;
the side friction cylinder is internally provided with a side friction elastic body which is sleeved on the conical tip elastic body, and the side friction elastic body is provided with a side friction strain gauge.
Preferably, the cone side connector is provided with a first water inlet hole, the outer side of the first water inlet hole is provided with a permeable stone, and the permeable stone is positioned between the cone side connector and the cone tip;
and a second water inlet hole is formed in the pore pressure connecting head, and the first water inlet hole is communicated with the pore pressure sensor through the second water inlet hole.
Preferably, the sealing assembly comprises a first sealing ring, a second sealing ring, a third sealing ring, a fourth sealing ring, a first soil retaining ring and a second soil retaining ring, the first sealing ring and the first soil retaining ring are arranged between the cone side connector and the side wall friction cylinder, the second sealing ring is arranged between the side friction elastic body and the side wall friction cylinder, the second soil retaining ring is arranged between the side friction elastic body and the tailstock or between the cone point elastic body and the tailstock, the third sealing ring is arranged between the connector socket and the tailstock, and the fourth sealing ring is arranged between the pore pressure sensor and the pore pressure connector.
Preferably, an annular step is arranged on the inner wall of the side wall friction cylinder, and the lower end of the side friction elastic body is matched and positioned with the annular step surface on the inner wall of the side wall friction cylinder.
Preferably, the device further comprises an inclination measuring sensor, a temperature sensor and an electrode ring, wherein the inclination measuring sensor is arranged at the upper end of the conical tip elastic body, the temperature sensor is arranged on the hole pressure connecting head, a bearing seat is arranged between the side wall friction cylinder and the tailstock, the outer wall of the bearing seat is provided with the electrode ring, and an insulating sleeve is arranged between the electrode ring and the bearing seat.
Preferably, the hole pressure sensor, the conical tip resistance strain gauge, the side friction strain gauge, the inclination measuring sensor, the electrode ring and the temperature sensor are respectively connected with the main controller arranged in the shell assembly, and the main controller is connected with the digital communication module.
Due to the structure, the beneficial effects of the utility model reside in that:
1. the conical tip elastomer is provided with a protruding step, the upper end face of the side wall friction cylinder is attached to the lower end face of the step, the diameter of the lower end of the conical tip elastomer is smaller than the inner diameter of the side wall friction cylinder, and the side wall friction cylinder can be conveniently sleeved on the conical tip elastomer from the lower side.
2. The hole pressure sensor, the cone tip resistance strain gauge, the side friction strain gauge, the inclination measuring sensor, the sealing assembly arranged between the temperature sensor and the shell assembly, and the insulating sleeve arranged between the electrode ring and the bearing seat effectively improve the accuracy of penetration data and the service life of the probe.
3. Compared with the traditional analog probe, the digital probe converts the data result of each sensor into a numerical value at the near end of the probe, and then directly transmits the numerical value back to ground equipment according to an agreed protocol (which can be freely defined and compatible with various ground processing equipment), is flexible to use, can effectively ensure the integrity of data, and does not have the problem that the signal is distorted or interfered because the traditional analog probe needs to transmit analog signals through a cable for a long distance; and the number of cables connected with ground equipment is effectively reduced, so that the diameter of an inner hole of the probe rod can be reduced, and the aim of enhancing the strength of the probe rod is fulfilled.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 to 4 are schematic structural views of a first embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second embodiment of the present invention;
fig. 6 to 8 are schematic structural views of a third embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
as shown in fig. 1 to 4, a novel multifunctional digital probe comprises a cone tip 1, a shell component, an orifice pressure sensor 5, a cone tip resistance strain gauge 6, a side friction strain gauge 7 and a sealing component;
the shell assembly comprises a side wall friction cylinder 2 and a tail seat 4, wherein the lower end of the side wall friction cylinder 2 is connected with a conical tip 1, the upper end of the side wall friction cylinder is connected with the tail seat 4, a joint socket 401 is arranged on the tail seat 4, and a cable joint 402 is arranged on the joint socket 401;
the pore pressure sensor 5, the conical tip resistance strain gauge 6 and the side friction strain gauge 7 are arranged in the shell assembly, a sealing assembly is arranged between the pore pressure sensor and the shell assembly, and the pore pressure sensor, the conical tip resistance strain gauge and the side friction strain gauge are respectively connected with the cable connector 402.
The taper-side connector 12 is arranged between the taper tip 1 and the taper tip elastomer 13 and is in contact with the lower end of the side wall friction cylinder 2, the upper end of the taper tip elastomer 13 is fixedly connected with the tailstock 4, and the outer wall of the taper tip elastomer 13 is provided with a taper tip resistance strain gauge 6;
a hole pressure connector 14 is inserted into the conical side connector 12, the lower end of the hole pressure connector 14 is fixedly connected with the conical tip 1, the upper end of the hole pressure connector 14 is fixedly connected with the conical tip elastic body 13, and a hole pressure sensor 5 is arranged on the hole pressure connector 14;
the side wall friction cylinder 2 is internally provided with a side friction elastic body 15, the side friction elastic body 15 is sleeved on the conical tip elastic body 13, and the side friction elastic body 15 is provided with a side friction strain gauge 7.
Set up first inlet opening 121 on the awl side connector 12, the outside of first inlet opening 121 is equipped with permeable stone 16, and permeable stone 16 cover is established on awl side connector 12, and is located between awl side connector 12 and the awl point 1 for prevent that other impurity from flowing into first inlet opening 121, and block up first inlet opening 121. The hole pressure connector 14 is provided with a second water inlet hole 141, one end of the first water inlet hole 121 is communicated with the second water inlet hole 141, and the hole pressure sensor 5 is located at the other end of the second water inlet hole 141, namely, when water flows into the first water inlet hole 121, the water just flows into the second water inlet hole 141 corresponding to the first water inlet hole, and a water inlet channel is formed between the hole pressure sensor 5 and the hole pressure sensor.
The inner wall of the side wall friction cylinder 2 is provided with an annular step 201, and the lower end of the side friction elastic body 15 is matched and positioned with the annular step surface of the inner wall of the side wall friction cylinder 2.
The sealing assembly comprises a first sealing ring 17, a second sealing ring 18, a third sealing ring 19, a fourth sealing ring 20, a first soil retaining ring 21 and a second soil retaining ring 22, the first sealing ring 17 and the first soil retaining ring 21 are arranged between the cone side connector 12 and the side wall friction cylinder 2, the second sealing ring 18 is arranged between the side friction elastic body 15 and the side wall friction cylinder 2, the second soil retaining ring 22 is arranged between the side friction elastic body 15 and the tailstock 4, the third sealing ring 19 is arranged between the connector socket 401 and the tailstock 4, the fourth sealing ring 20 is arranged between the hole pressure sensor 5 and the hole pressure connector 14, and the second sealing ring is also arranged between the tailstock and the cone tip elastic body.
Example two:
basically the same as the first embodiment, except that: the outer wall of the conical tip elastic body 13 is provided with a protruding step 131 (as shown in fig. 5), the upper end surface of the side wall friction cylinder 2 is matched and positioned with the lower end surface of the protruding step 131, the diameter of the lower end of the conical tip elastic body 13 is smaller than the inner diameter of the side wall friction cylinder 2, the side wall friction cylinder 2 is conveniently sleeved on the conical tip elastic body 13 from the lower part, the conical tip elastic body 13 can be designed into a whole with the bearing seat 3, the structure is simpler, the precision requirement of the contact surface between the side wall friction cylinder 2 and the conical tip elastic body 13 is very high, the contact surface is designed into a complete circle surface, the processing is convenient, the surface contact performance is better.
Example three:
substantially the same as in the first and/or second embodiments, except that: still include inclinometer sensor 8, temperature sensor 9, electrode ring 10, master controller 23 and digital communication module 24 (as shown in fig. 6 to fig. 8), inclinometer sensor 8 is located 13 upper ends of awl point elastomer, temperature sensor 9 is located on the hole pressure connector 14, be equipped with between lateral wall friction cylinder 2 and the tailstock 4 and bear seat 3, bear 3 outer walls of seat and be equipped with electrode ring 10, electrode ring 10 with bear and be equipped with insulating cover 11 between the seat 3.
The pore pressure sensor 5, the conical tip resistance strain gauge 6, the side friction strain gauge 7, the inclination measuring sensor 8, the electrode ring 10 and the temperature sensor 9 are respectively connected with a main controller 23 arranged in the shell assembly, and the main controller 23 is connected with a digital communication module 24. The main controller can adopt a singlechip with the model number of ATmega168PA, the singlechip contains a memory, and even the relevant parameter data such as various identifications of the probe can be stored in the singlechip, so that the temporary field setting and manual checking work of various necessary data of the probe are saved, and the working efficiency of the important in-situ engineering investigation means of static sounding is further improved.
In the process that the probe rod penetrates into the soil layer, when the conical tip extends into the bottom of the ground surface, resistance and side wall friction can be met, the conical tip resistance is transmitted to the conical tip elastic body 13 through the conical tip 1 and the conical side connector 12, the conical tip elastic body 13 can deform, the conical tip elastic body 13 can cause the conical tip resistance strain gauge 6 arranged on the conical tip elastic body to deform to generate current after deforming, and the measurement of the sediment penetration resistance is realized by detecting the magnitude of the generated current; the side wall friction force is transmitted to the side friction elastic body 15 from the side wall friction cylinder 2, and the side friction elastic body 15 is induced by the side friction strain gauge 7 after being deformed and then is detected; the fluid medium from the outside flows into the first water inlet hole 121 and then just flows into the corresponding second water inlet hole 141, and then flows to the pore pressure sensor 5, and the pressure measurement is completed through the pore pressure sensor 5.
The temperature sensor 9 arranged in the probe can detect the temperature of the working environment of the probe, the electrode ring 10 can test the resistivity of soil, liquid and the like by matching with resistivity acquisition software, and temperature compensation parameters are provided for measuring the cone tip resistance, the side wall friction force and the pore water pressure.
The inclination measuring sensor 8 of the probe tests the inclination condition of the axial direction of the probe relative to the gravity plumb direction in the static sounding process, and gives out the data in real time, so that the implementation process of the static sounding can be more comprehensively mastered, once the inclination angle of the probe is too large, the bending of the probe and a connected probe rod in a soil body is serious, the penetration cone sounding should be stopped in time, and the probe rod or the probe head should be pulled back in time to protect the probe rod or the probe head from being bent and broken, and equipment is protected.
In the first embodiment and the second embodiment, the pore pressure sensor 5, the conical tip resistance strain gauge 6 and the side friction strain gauge 7 can transmit the respective sensed physical quantity objects to ground equipment through the cable connector 402 connecting cable, and the physical quantity objects are processed or sorted and stored as data recording files, the digital probe provided in the third embodiment adopts the main controller 23 and the digital communication module 24, the pore pressure sensor 5, the conical tip resistance strain gauge 6, the side friction strain gauge 7, the inclination measuring sensor 8, the temperature sensor 9 and the electrode ring 10 are all connected with the main controller 23, the sensing results of each sensor can be converted into numerical types, and the numerical types are directly transmitted to the ground related equipment according to a certain agreed protocol, and the protocol can be freely defined and compatible with various ground processing devices, is very flexible, can ensure excellent data integrity, and cannot influence the measurement result like distortion or signal interference caused by long-distance transmission of analog signals of an analog probe. The main controller 23 and the digital communication module 24 can be conveniently detached and can be used as an analog probe after being detached.
The whole probe adopts a sealing mode, so that the invasion of external dust, water, oil and the like is isolated, and the internal components of the probe are protected.
The hole pressure sensor 5 adopts a PA-8 sensor, the cone tip resistance strain gauge 6 adopts a BF350-2BB strain gauge, the side friction strain gauge 7 adopts a BF350-2BB strain gauge, the inclination measuring sensor 16 adopts a digital high-resolution high-precision MEMS sensor model SCA830, the digital communication module 18 adopts an LT1785A chip, and the temperature sensor model is DS18B 20.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A novel multifunctional digital probe is characterized in that: the device comprises a cone tip, a shell assembly, a pore pressure sensor, a cone tip resistance strain gauge, a side friction strain gauge, a cone tip elastomer and a sealing assembly;
the shell assembly comprises a side wall friction cylinder and a tailstock, wherein the lower end of the side wall friction cylinder is provided with a conical tip, the upper end of the side wall friction cylinder is provided with the tailstock, the tailstock is provided with a connector socket, a cable connector is arranged on the connector socket, the upper end of an elastomer with the conical tip is fixedly connected with the tailstock, the outer wall of the elastomer with the conical tip is provided with a protruding step, and the upper end surface of the side wall friction cylinder is matched and positioned with the lower end surface of the protruding step or the lower end surface;
the pore pressure sensor, the conical tip resistance strain gauge and the side friction strain gauge are arranged in the shell assembly, sealing assemblies are arranged between the pore pressure sensor, the conical tip resistance strain gauge and the shell assembly, and are respectively connected with the cable joints.
2. The novel multifunctional digital probe according to claim 1, characterized in that: the device also comprises a conical side connector, a hole pressure connector and a side friction elastic body, wherein the conical side connector is arranged between the conical tip and the conical tip elastic body and supports the lower end of the side wall friction cylinder, and a conical tip resistance strain gauge is arranged on the outer wall of the conical tip elastic body;
a hole pressure connector is inserted in the cone side connector, the lower end of the hole pressure connector is fixedly connected with the cone tip, the upper end of the hole pressure connector is fixedly connected with the cone tip elastic body, and a hole pressure sensor is arranged on the hole pressure connector;
the side friction cylinder is internally provided with a side friction elastic body which is sleeved on the conical tip elastic body, and the side friction elastic body is provided with a side friction strain gauge.
3. The novel multifunctional digital probe according to claim 2, characterized in that: a first water inlet hole is formed in the conical side connecting head, a permeable stone is arranged on the outer side of the first water inlet hole, and the permeable stone is located between the conical side connecting head and the conical tip;
and a second water inlet hole is formed in the pore pressure connecting head, and the first water inlet hole is communicated with the pore pressure sensor through the second water inlet hole.
4. The novel multifunctional digital probe according to claim 2, characterized in that: the sealing assembly comprises a first sealing ring, a second sealing ring, a third sealing ring, a fourth sealing ring, a first soil retaining ring and a second soil retaining ring, the first sealing ring and the first soil retaining ring are arranged between the cone side connector and the side wall friction cylinder, the second sealing ring is arranged between the side friction elastic body and the side wall friction cylinder, the second soil retaining ring is arranged between the side friction elastic body and the tailstock or between the side friction elastic body and the cone point elastic body, the third sealing ring is arranged between the joint socket and the tailstock, and the fourth sealing ring is arranged between the hole pressure sensor and the hole pressure connector.
5. The novel multifunctional digital probe according to claim 2, characterized in that: the inner wall of the side wall friction cylinder is provided with an annular step, and the lower end of the side friction elastic body is matched and positioned with the annular step surface of the inner wall of the side wall friction cylinder.
6. The novel multifunctional digital probe according to any one of claims 2 to 5, characterized in that: still include deviational survey sensor, temperature sensor, electrode ring, the upper end of awl point elastomer is located to the deviational survey sensor, temperature sensor locates on the hole pressure connector, be equipped with between lateral wall friction section of thick bamboo and the tailstock and bear the seat, bear the seat outer wall and be equipped with the electrode ring, electrode ring and bear and be equipped with insulating cover between the seat.
7. The novel multifunctional digital probe according to claim 6, characterized in that: still include master controller and digital communication module, pore pressure sensor, awl point resistance foil gage, side friction foil gage, deviational survey sensor, electrode ring and temperature sensor are connected with the master controller of locating in the casing subassembly respectively, and the master controller is connected with digital communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920533037.9U CN210031753U (en) | 2019-04-18 | 2019-04-18 | Novel multifunctional digital probe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920533037.9U CN210031753U (en) | 2019-04-18 | 2019-04-18 | Novel multifunctional digital probe |
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| Publication Number | Publication Date |
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| CN210031753U true CN210031753U (en) | 2020-02-07 |
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| CN201920533037.9U Active CN210031753U (en) | 2019-04-18 | 2019-04-18 | Novel multifunctional digital probe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993380A (en) * | 2022-06-06 | 2022-09-02 | 中国海洋大学 | Multi-parameter monitoring sensing array and method for seabed shallow gas accumulation and overflow process |
| CN115014192A (en) * | 2022-05-26 | 2022-09-06 | 重庆电子工程职业学院 | System and method for automatically acquiring, transmitting and processing sounding data |
| CN115420251A (en) * | 2022-11-02 | 2022-12-02 | 煤炭科学研究总院有限公司 | Twelve-component small-aperture hole bottom strain gauge |
-
2019
- 2019-04-18 CN CN201920533037.9U patent/CN210031753U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014192A (en) * | 2022-05-26 | 2022-09-06 | 重庆电子工程职业学院 | System and method for automatically acquiring, transmitting and processing sounding data |
| CN114993380A (en) * | 2022-06-06 | 2022-09-02 | 中国海洋大学 | Multi-parameter monitoring sensing array and method for seabed shallow gas accumulation and overflow process |
| CN115420251A (en) * | 2022-11-02 | 2022-12-02 | 煤炭科学研究总院有限公司 | Twelve-component small-aperture hole bottom strain gauge |
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