SEABED GEOTECHNICAL IN-SITU MULTI-PARAMETER DETECTION SYSTEM AND METHOD

Abstract

The disclosure relates to the field of ocean engineering technical equipment, and specifically relates to a seabed geotechnical in-situ multi-parameter detection system and method. The system comprises two friction wheels symmetrically arranged in an integral frame, and collimating mechanisms are arranged above and below the butt joint position of the two friction wheels; a winch is fixedly arranged on the bottom surface of the integral frame on the rear side of the friction wheels, and a winch rotating wheel is connected with a servo motor; a flexible probe rod comprises multiple sections of rigid rod pieces connected through armored cables, a static sounding probe is connected with one end of the flexible probe rod, the flexible probe rod is wound on the winch, the end with the static sounding probe sequentially penetrates through a butt joint device and the collimating mechanism and then enters the space between the two friction wheels, and finally the static sounding probe penetrates into a soil body downwards. The system is high in stability.

Claims

1. A seabed geotechnical in-situ multi-parameter detection system, comprising an integral frame, a constant-speed penetration system, a butt joint assembly system, a flexible probe rod and a static sounding probe, wherein the constant-speed penetration system comprises two friction wheels symmetrically arranged in the same vertical plane, and the collimating mechanisms are arranged above and below the butt joint position of the two friction wheels; a support is arranged on the friction wheel, the support is internally provided with a hydraulic motor, and the hydraulic motors are used for driving the friction wheels to rotate; the two supports are connected through a hydraulic locking oil cylinder and used for providing opposite extrusion friction force between the two friction wheels, the two supports are fixedly arranged on the bottom surface in the integral frame through a same base, and an energy accumulator is further arranged on the base and connected with the hydraulic motors; a hydraulic valve box for providing hydraulic power, a hydraulic pipeline and an underwater motor are further arranged on the bottom surface in the integral frame and are connected with the hydraulic motors and the hydraulic locking oil cylinder; the butt joint assembly system comprises a winch, a butt joint device and a driving rotating wheel; the winch is fixedly arranged on the bottom surface of the integral frame on the rear side of the friction wheels, the winch rotating wheel is connected with a servo motor, and the driving rotating wheel is arranged on a support frame and connected with the servo motor; the flexible probe rod comprises multiple sections of rigid rod pieces connected through armored cables, and the static sounding probe is arranged at one end of the flexible probe rod; and the flexible probe rod is wound on the winch, the end with the static sounding probe sequentially penetrates through the driving rotating wheel, the butt joint device and the collimating mechanisms, enters the space between the two friction wheels and finally penetrates into the ground, and the butt joint device is used for connecting and detaching the multiple sections of rigid rod pieces.

2. The seabed geotechnical in-situ multi-parameter detection system according to claim 1, wherein the integral frame comprises a support frame; and anti-collision grids and anti-collision rubber strips are arranged outside the support frame, a lifting frame is arranged on the top of the support frame, and an anti-corrosion zinc block is arranged inside the support frame.

3. The seabed geotechnical in-situ multi-parameter detection system according to claim 1, wherein the friction wheels are detachably connected with the supports, a groove is formed in the outer ring of the friction wheel, and lines are arranged on the groove.

4. The seabed geotechnical in-situ multi-parameter detection system according to claim 1, wherein the rigid rod piece is of a hollow cylinder structure, and quick connecting rod mechanisms are arranged at the two ends of the rigid rod piece respectively.

5. The seabed geotechnical in-situ multi-parameter detection system according to claim 4, wherein the quick connecting rod mechanisms comprise a male plug and a female plug.

6. The seabed geotechnical in-situ multi-parameter detection system according to claim 1, wherein the winch comprises a winch rotating frame, the winch rotating frame is installed on the base, annular teeth are arranged on the inner side of the winch rotating frame, and the winch rotating frame is connected with the servo motor through a gear; the base is further provided with a rotating wheel and a guide rail, the rotating wheel is used for supporting and guiding the winch rotating frame during rotation, and the guide rail is used for guiding the flexible probe rod.

7. The seabed geotechnical in-situ multi-parameter detection system according to claim 5, wherein a clamping plug is arranged at one end of the male plug; a groove is formed in one end of the female plug, and a clamp spring is embedded in the groove; three notches are evenly formed in the outer edge of the groove, and a clamping jaw is installed at each notch; the clamping jaw is nested on the clamp spring, and the other end of the female plug is connected with a gland through a screw; and the clamping plug of the male plug is plugged into the groove of the female plug, and the clamping spring is used for providing inward tightening acting force to buckle the clamping jaw with the clamping plug on the male plug.

8. A seabed geotechnical in-situ multi-parameter detection method, wherein the seabed geotechnical in-situ multi-parameter detection method is applied to a seabed geotechnical in-situ multi-parameter detection system according to claim 1, and the seabed geotechnical in-situ multi-parameter detection method comprises the following steps: in the penetration process of a static sounding probe, controlling a winch in a butt joint assembly system to rotate, so that the winch drives a flexible probe rod to be laid; controlling a servo motor to drive a driving rotating wheel to rotate, so that the driving rotating wheel drives rigid rod pieces to align with a butt joint device; controlling a hydraulic locking oil cylinder to drive friction wheels to move in opposite directions, so that the two sides of the flexible probe rod are tightly attached to the friction wheels; controlling hydraulic motors to drive the friction wheels to rotate so as to drive the flexible probe rod, so that the static sounding probe penetrates into a measured soil body; and in the recovery process of the static sounding probe, controlling the hydraulic motors to rotate reversely to drive the friction wheels to drive the flexible probe rod so that the static sounding probe is pulled out upwards, meanwhile, controlling the butt joint device to open quick butt joint mechanisms between the adjacent flexible probe rods, dividing the straight probe rod into two sections of rigid rod pieces, and winding the rigid rod pieces on the winch after passing through the driving rotating wheel.

9. The method according to claim 8, wherein the integral frame comprises a support frame; and anti-collision grids and anti-collision rubber strips are arranged outside the support frame, a lifting frame is arranged on the top of the support frame, and an anti-corrosion zinc block is arranged inside the support frame.

10. The method according to claim 8, wherein the friction wheels are detachably connected with the supports, a groove is formed in the outer ring of the friction wheel, and lines are arranged on the groove.

11. The method according to claim 8, wherein the rigid rod piece is of a hollow cylinder structure, and quick connecting rod mechanisms are arranged at the two ends of the rigid rod piece respectively.

12. The method according to claim 11, wherein the quick connecting rod mechanisms comprise a male plug and a female plug.

13. The method according to claim 8, wherein the winch comprises a winch rotating frame, the winch rotating frame is installed on the base, annular teeth are arranged on the inner side of the winch rotating frame, and the winch rotating frame is connected with the servo motor through a gear; the base is further provided with a rotating wheel and a guide rail, the rotating wheel is used for supporting and guiding the winch rotating frame during rotation, and the guide rail is used for guiding the flexible probe rod.

14. The method according to claim 12, wherein a clamping plug is arranged at one end of the male plug; a groove is formed in one end of the female plug, and a clamp spring is embedded in the groove; three notches are evenly formed in the outer edge of the groove, and a clamping jaw is installed at each notch; the clamping jaw is nested on the clamp spring, and the other end of the female plug is connected with a gland through a screw; and the clamping plug of the male plug is plugged into the groove of the female plug, and the clamping spring is used for providing inward tightening acting force to buckle the clamping jaw with the clamping plug on the male plug.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0027] To describe the technical scheme in the embodiments of the present disclosure or in the prior art more clearly, the following briefly introduces the attached figures required for describing the embodiments. Apparently, the attached figures in the following description show merely some embodiments of the present disclosure, and those skilled in the art may still derive other attached figures from these attached figures without creative efforts.

[0028] FIG. 1 is an integral external schematic diagram of a seabed geotechnical in-situ multi-parameter detection system provided by the present disclosure;

[0029] FIG. 2 is a structural schematic diagram of a seabed geotechnical in-situ multi-parameter detection system provided by the present disclosure;

[0030] FIG. 3 is a partial schematic diagram of a seabed geotechnical in-situ multi-parameter detection system provided by the present disclosure;

[0031] FIG. 4 is a structural schematic diagram of a butt joint device provided by the present disclosure;

[0032] FIG. 5 is an upward view of a butt joint device provided by the present disclosure;

[0033] FIG. 6 is a structural schematic diagram of a collimating mechanism provided by the present disclosure;

[0034] FIG. 7 is a structural schematic diagram of a winch provided by the present disclosure;

[0035] FIG. 8 is a structural schematic diagram of a rigid rod piece provided by the present disclosure;

[0036] FIG. 9 is a structural schematic diagram of a female plug provided by the present disclosure; and

[0037] FIG. 10 is a structural schematic diagram of a male plug provided by the present disclosure.

[0038] Reference signs: 1, integral frame; 1-1, lifting frame; 1-2, support frame; 1-3, anti-collision rubber strip; 1-4, anti-collision grid; 2, constant-speed penetration system; 2-1, friction wheel; 2-2, support; 2-3, hydraulic motor; 2-4, base; 2-5, energy accumulator; 2-6, butt joint device; 2-7, hydraulic locking oil cylinder; 2-8, collimating mechanism; 3, hydraulic valve box; 4, electronic cabin; 5, static sounding probe; 6, servo motor; 7, driving rotating wheel; 8, winch; 8-1, winch rotating frame; 8-2, servo motor; 8-3, rotating wheel; 8-4, guide rail; 8-5, annular tooth; 8-6, gear; 8-7, base; 9, flexible probe rod; 9-1, male plug; 9-2, rigid rod piece; 9-3, female plug; 9-4, clamping jaw; 9-5, clamping spring; 9-6, gland; 9-7, screw; and 10, underwater motor.

DETAILED DESCRIPTION OF THE EMBODIMENTS

[0039] The following clearly and completely describes the technical scheme in the embodiments of the present disclosure with reference to the attached figures in the embodiments of the present disclosure. Apparently, the described embodiments are merely a part rather than all of the embodiments of the present disclosure. Based on the embodiment in the present disclosure, all other embodiments obtained by the ordinary technical staff in the art under the premise of without contributing creative labor belong to the scope protected by the present disclosure.

[0040] To make the foregoing objective, features and advantages of the present disclosure clearer and more comprehensible, the present disclosure is further described in detail below with reference to the attached figures and specific embodiments.

[0041] As shown in FIG. 2, provided is a seabed geotechnical in-situ multi-parameter detection system, comprising an integral frame, a constant-speed penetration system, flexible probe rods, a butt joint assembly system and a static sounding probe.

[0042] As shown in FIG. 1, the integral frame 1 is composed of a lifting frame 1-1, a support frame 1-2, anti-collision rubber strips 1-3 and anti-collision grids 1-4 and is used for supporting, installing and protecting integral equipment, and the structure of the integral frame can be designed according to actual needs. In the embodiment, the support frame 1-2 comprises supporting and installing supports of each mechanism. The lifting frame 1-1 is welded to the top of the support frame 1-2, the anti-collision rubber strips 1-3 are installed on the inner side of the support frame 1-2, and the anti-collision rubber strips 1-3 and the anti-collision grids 1-4 which are used for protecting the equipment are arranged on the outer side of the support frame 1-2.

[0043] As shown in FIG. 3, the constant-speed penetration system comprises friction wheels 2-1, supports 2-2, hydraulic motors 2-3, a base 2-4, an energy accumulator 2-5, a butt joint device 2-6, a hydraulic locking oil cylinder 2-7 and collimating mechanisms 2-8. Wherein, the collimating mechanisms 2-8 are as shown in FIG. 6. The hydraulic driving system is composed of hydraulic motors 2-3, a base 2-4, an energy accumulator 2-5 and a hydraulic locking oil cylinder 2-7. The constant-speed penetration system comprises two friction wheels 2-1 symmetrically arranged in the same vertical plane, and the collimating mechanisms 2-8 are arranged above and below the butt joint position of the two friction wheels 2-1, a support 2-2 is arranged on the friction wheel 2-1, the support 2-2 is internally provided with a hydraulic motor 2-3, the hydraulic motors 2-3 are used for driving the friction wheels to rotate. The two supports 2-2 are connected through a hydraulic locking oil cylinder 2-7 and used for providing opposite extrusion friction force between the two friction wheels 2-1, the two supports 2-2 are fixedly arranged on the bottom surface in the integral frame 1 through a same base 2-4, an energy accumulator 2-5 is further arranged on the base 2-4 and connected with the hydraulic motors 2-3, and the energy accumulator is used for absorbing pressure impact generated in the hydraulic system due to sudden stop of movement of an actuating element. A hydraulic valve box 3 for providing hydraulic power, a hydraulic pipeline and an underwater motor 10 are further arranged on the bottom surface in the integral frame 1 and are connected with the hydraulic motors 2-3 and the hydraulic locking oil cylinder 2-7.

[0044] The butt joint assembly system comprises a winch 8, a butt joint device 2-6 and a driving rotating wheel 7, the winch 8 is fixedly arranged on the bottom surface of the integral frame on the rear side of the friction wheels 2-1, and the winch rotating wheel 7 is arranged on the support frame 1-2 and connected with a servo motor 6. As shown in FIG. 7, the winch rotating frame 8-1 is installed on the base 8-7, annular teeth 8-5 are arranged on the inner side of the winch rotating frame 8-1, and the winch rotating frame 8-1 is meshed with a gear 8-6 on the servo motor 8-2. The winch rotating frame 8-1 rolls on the rotating wheel 8-3. As shown in FIG. 4 and FIG. 5, the butt joint device is composed of annular clamping jaws 2-6-1, a chuck 2-6-2, driving gears 2-6-3, a driving disc 2-6-4 and positioning nails 2-6-5. The chuck 2-6-2 is of a structure similar to a cover, a through hole is formed in the center of the top of the chuck 2-6-2 and used for the rigid probe rod 9-2 to pass through, three grooves diverging from the center to the outer edge are evenly formed in the disc surface on the top of the chuck 2-6-2, a plurality of through holes are formed in the side portion of the chuck 2-6-2, and the driving gears 2-6-3 are arranged in the through holes. The groove is internally provided with a clamping jaw seat, an annular clamping jaw 2-6-1 is arranged on each clamping jaw seat, lines are arranged on the opposite sides of the three annular clamping jaws 2-6-1, the annular clamping jaws 2-6-1 can clamp the rigid probe rod 9-2 for butt joint, and when the rigid probe rod 9-2 at the two adjacent ends is detached, the annular clamping jaws 2-6-1 can open quick connecting rod mechanisms on the probe rod. A driving disc 2-6-4 is arranged in the lower portion of the chuck 2-6-2, a hole is formed in the center of the driving disc 2-6-4, a threaded groove is formed in the side wall of the hole, annular teeth are arranged on the outer edge of the driving disc 2-6-4, an extending portion is downwards arranged on the clamping jaw seat, the extending portion extends into the hole in the center of the driving disc 2-6-4, a thread is arranged on the extending portion, and the thread is matched with the threaded groove in the hole of the driving disc 2-6-4, and the driving gears 2-6-3 can be connected with a driving mechanism and are meshed with annular teeth on the side edge of the driving disc 2-6-4. The driving gear 2-6-3 rotates to drive the driving disc 2-6-4 to rotate, and the threaded groove in the driving disc 2-6-4 drives the annular clamping jaw 2-6-1 to move. The static sounding probe 5 is arranged at one end of the flexible probe rod 9, the end, provided with the static sounding probe 5, of the flexible probe rod 9 is led out through the guide rail 8-4 and guided by the driving rotating wheel 7, sequentially penetrates through the butt joint device 2-6 and the collimating mechanisms 2-8 and then enters the space between the two friction wheels 2-1, and finally the static sounding probe 5 is downwards penetrated into a soil body.

[0045] As shown in FIG. 8, the flexible probe rod 9 is formed by butt joint of multiple sections of rigid rod pieces 9-2, armored cables are arranged in the flexible probe rod 9, and quick connecting rod structures are arranged at the two ends of the rigid rod piece 9-2. As shown in FIG. 9 and FIG. 10, the quick butt joint mechanisms comprise male plugs 9-1 and female plugs 9-3, and a clamping plug is arranged at one end of the male plug 9-1. A groove is formed in one end of the female plug 9-3, an annular groove is formed in the outer wall of the groove, three notches are evenly formed in the outer edge of the groove of the clamping spring 9-5, a clamping jaw 9-4 is installed at each notch, the clamping jaw 9-4 is nested on the clamp spring 9-5, and the other end of the female plug 9-3 is connected with a gland 9-6 through a screw 9-7. When the male plug 9-1 and the female plug 9-3 are in butt joint, the clamping plug of the male plug 9-1 is plugged into the groove of the female plug 9-3, the clamping spring 9-5 provides inward tightening acting force, the clamping jaw 9-4 is buckled with the clamping plug on the male plug 9-1, and butt joint of the male plug 9-1 and the female plug 9-2 is achieved.

[0046] The present disclosure also provides a seabed geotechnical in-situ multi-parameter detection method, wherein the seabed geotechnical in-situ multi-parameter detection method is applied to a seabed geotechnical in-situ multi-parameter detection system, and the seabed geotechnical in-situ multi-parameter detection method comprises the following steps:

[0047] in the penetration process of a static sounding probe, controlling a winch in a butt joint assembly system to rotate, so that the winch drives a flexible probe rod to be laid;

[0048] controlling a servo motor to drive a driving rotating wheel to rotate, so that the driving rotating wheel drives rigid rod pieces to align with a butt joint device;

[0049] controlling a hydraulic locking oil cylinder to drive friction wheels to move in opposite directions, so that the two sides of the flexible probe rod are tightly attached to the friction wheels;

[0050] controlling hydraulic motors to drive the friction wheels to rotate so as to drive the flexible probe rod, so that the static sounding probe penetrates into a measured soil body; and

[0051] in the recovery process of the static sounding probe, controlling the hydraulic motors to rotate reversely to drive the friction wheels to drive the flexible probe rod so that the static sounding probe is pulled out upwards, meanwhile, controlling the butt joint device to open quick butt joint mechanisms between the adjacent flexible probe rods, dividing the straight probe rod into two sections of rigid rod pieces, and winding the rigid rod pieces on the winch after passing through the driving rotating wheel.

[0052] The working process is as follows:

[0053] Firstly, the flexible probe rod 9 is formed by connecting a plurality of rigid rod pieces 9-2 in series, the flexible probe rod 9 is wound on the winch 8, one end of the rigid rod piece 9-2 is wound and connected with the driving rotating wheel 7, the other end of the flexible probe rod 9 bypasses the driving rotating wheel 7 and then penetrates through the butt joint device 2-6, the butt joint device 2-6 is used for connecting the quick butt joint mechanisms between the adjacent flexible probe rods 9, and the flexible probe rods 9 are combined into a straight probe rod.

[0054] Secondly, in the penetration process of the static sounding probe 5, the gear installed on the servo motor 8-2 is meshed with the annular teeth 8-5, when the servo motor 21 rotates, the winch 8 is driven to rotate, and the winch 8 drives the flexible probe rod 9 to be laid. The servo motor 6 drives the driving rotating wheel 7 to rotate, the driving rotating wheel 10 drives the rigid rod pieces to be aligned with the butt joint device 2-6, the butt joint device 2-6 enables the rigid rod pieces 9-2 at the two adjacent ends to be in butt joint, and the flexible probe rods 9 are combined into a straight probe rod. The hydraulic locking oil cylinder 2-7 drives the friction wheels 2-1 to move in the opposite direction, so that the two sides of the flexible probe rod 9 are tightly attached to the friction wheels 2-1, and the friction wheels 2-1 can be replaced to be suitable for the flexible probe rods 9 of different sizes. The hydraulic motors 2-3 drive the friction wheels 2-1 to rotate to drive the flexible probe rods 9, so that the static sounding probe 5 penetrates into a measured soil body. The static sounding probe 5 is used for carrying out data collection on multiple in-situ parameters such as cone tip resistance, side wall friction force, pore water pressure and resistivity in the penetration process.

[0055] Thirdly, in the recovery process of the static sounding probe 5, the hydraulic motors 2-3 rotate reversely to drive the friction wheels 2-1 to drive the flexible probe rods 9 so that the static sounding probe 5 is pulled out upwards, meanwhile, the butt joint device 2-6 opens the quick butt joint mechanisms between the adjacent flexible probe rods, the straight probe rod is divided into two sections of rigid rod pieces 9-2, and the rigid rod pieces 9-2 are wound on the winch 8 after passing through the driving rotating wheel 7.

[0056] All embodiments in this specification are described in a progressive manner. Each embodiment focuses on differences from other embodiments. For the part that is the same or similar between different embodiments, reference may be made between the embodiments. The device disclosed in the embodiment corresponds to the method disclosed in the embodiment, and therefore the description is relatively brief. Related information refers to descriptions of the related parts in the method.

[0057] Several examples are used for illustration of the principles and implementation methods of the present disclosure. The description of the embodiments is used to help illustrate the method and the core principles of the present disclosure; and meanwhile, those skilled in the art can make various modifications in terms of specific embodiments and scope of application in accordance with the teachings of the present disclosure. In conclusion, the content of this specification shall not be construed as a limitation to the present disclosure.