Air source excitation experiment platform

Abstract

The invention discloses an air seismic source excitation experiment platform, which relates to the technical field of air seismic sources and comprises a ship body assembly, a platform anchoring assembly, a safety protection assembly, a maintenance room assembly, a platform fine positioning assembly and a monitoring equipment assembly. The ship body assembly comprises four cabins, the four cabins are spliced into a ship body of a concentric-square-shaped structure through connecting pieces, an anti-skid floor is installed in the center of the ship body of the concentric-square-shaped structure, and the anti-skid floor is welded and fixed to the four cabins at the same time. The platform anchoring assembly comprises a winch, an anchor rope and an anchor block; the winches are installed on the top face of the cabin and located at the four corners of the ship body, anchor ropes are wound around rotating wheels of the winches, and one ends of the anchor ropes are connected with the anchor blocks. In the experiment process, the platform can be accurately controlled to be located at the same excitation position, underwater sinking of the air seismic source is completed, smooth development of an air seismic source excitation experiment is guaranteed, pickup of an excitation signal first arrival signal is completed, and the air seismic source excitation experiment is better developed.

Description

Technical Field

[0001] The invention relates to the technical field of air seismic sources, and in particular to an air seismic source excitation experimental platform. Background Art

[0002] Air source has the advantages of being green, environmentally friendly and highly repeatable, and is widely used in the field of geophysical research. The fixed air source experiment on land can continuously carry out excitation experiments at the same location, generate artificial earthquakes, and continuously monitor the underground medium structure in the monitoring area.

[0003] However, when operating on water, how to control the platform to remain in the same position, complete the submersion of the air source underwater, ensure the smooth conduct of the air source excitation experiment, and complete the pickup of the first arrival signal of the excitation signal is the key to solving the air source experiment. The present invention proposes an air source excitation experiment platform. Summary of the invention

[0004] The purpose of the present invention is to solve the defects in the prior art and to propose an air source excitation experimental platform.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] An air source excitation experimental platform includes a hull component, a platform anchoring component, a safety protection component, a maintenance room component, a platform precision positioning component, and a monitoring equipment component;

[0007] The hull assembly includes four cabins, which are spliced ​​into a hull of a round-shaped structure through connectors, and a non-slip floor is installed in the center of the hull of the round-shaped structure, and the non-slip floor is welded and fixed to the four cabins at the same time;

[0008] The platform anchoring assembly includes a winch, an anchor rope, and an anchor block; the winch is installed on the top surface of the cabin, and at the four corners of the hull, an anchor rope is wound around the winch's runner, and one end of the anchor rope is connected to the anchor block;

[0009] The safety protection assembly includes an outer ring guardrail, a push-pull door, an outer ring anti-collision body, and an anti-collision body hook. The outer ring guardrail is fixed on the upper side of the cabin, and the push-pull door is installed at the outer ring guardrail; the anti-collision body hook is installed on the outer side of the cabin, and the outer ring anti-collision body is installed on the anti-collision body hook;

[0010] The maintenance room assembly includes a supporting beam and a workroom, wherein the workroom is arranged on the top surface of the anti-slip floor, the supporting beam is fixed to the bottom surface of the anti-slip floor and the ends are connected to the cabins on both sides, the workroom includes four columns, a ceiling is fixed above the four columns, and a rolling shutter is installed between two adjacent columns; the anti-slip floor is provided with four excitation wells at the periphery of the workroom, a detachable guardrail is installed at the periphery of the excitation well, and an observation hole is also provided at a position between the workroom and the excitation well on the anti-slip floor, and a detachable grille cover is provided on the observation hole;

[0011] The platform precision positioning component is located at the connection between two adjacent cabins, and the platform precision positioning component includes a GNSS mounting pole, an RTK device connector is mounted on the GNSS mounting pole, and an RTK device is mounted through the RTK device connector;

[0012] The monitoring equipment assembly includes a vibration monitoring instrument, which is mounted on an instrument mounting base, which is mounted on the top of the cabin, and an instrument protection box is mounted on the outer side of the instrument mounting base, and the instrument protection box is equipped with a protection box door;

[0013] The cabins are all provided with hull inspection holes, and the hull inspection holes are provided with inspection hole covers, and the inspection hole covers are provided with handles.

[0014] Furthermore, connecting pieces are fixedly installed at the ends of two adjacent cabins, and the connecting pieces are fixed by bolts.

[0015] Furthermore, a power distribution cabinet is provided above the cabin at the position corresponding to each winch, and a limiting cable pile is installed on the side of the cabin. The anchor rope extends to the bottom of the hull through the limiting cable pile and is connected to the anchor block.

[0016] Furthermore, the cabin is provided with a slide rail at the outer ring protective railing, and a push-pull type access door is slidably installed through the slide rail.

[0017] Furthermore, a rope is provided on the outer ring anti-collision body, and the outer ring anti-collision body is connected to the anti-collision body hook through the rope;

[0018] Furthermore, anti-collision body hooks are fixed on the upper and lower parts of the hull, and ropes are provided at the upper and lower ends of the outer ring anti-collision body. The ropes are closed and supported by elastic materials. The ropes at the upper and lower parts are respectively put on the upper and lower anti-collision body hooks.

[0019] Furthermore, a cable fixing buckle is installed at the connection between the bottom of the anti-slip floor and the supporting beam. The cable fixing buckle is used to tie and fix the cables of the air vibration source equipment, and a fixing buckle screw rod is installed on the cable fixing buckle. The fixing buckle screw rod is used to position the cable and prevent it from falling off.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] The present invention provides an experimental platform for an air source excitation experiment. During the experiment, the platform can be accurately controlled to be located at the same excitation position, the air source can be placed underwater, the air source can be smoothly carried out, the first arrival signal of the excitation signal can be picked up, and the air source excitation experiment can be better carried out. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the installation of the connecting piece in the present invention;

[0025] Figure 3 A schematic diagram of the connection between the outer ring anti-collision body and the anti-collision body hook;

[0026] Figure 4 Schematic diagram of the installation base, instrument protection box and protection box door for the vibration monitoring instrument;

[0027] Figure 5 This is a schematic diagram of the installation of the winch and limiting cable pile in the cabin.

[0028] In the figure: 1 cabin, 2 anti-collision body hook, 3 connecting part, 30 bolts, 4 outer ring anti-collision body, 40 ropes, 5 anti-slip floor, 6 winch, 7 anchor rope, 8 anchor block, 9 outer ring guardrail, 10 push-pull access door, 11 hull inspection hole, 12 observation hole, 13 GNSS installation pole, 14 studio, 15 rolling gate, 16 excitation well, 17 detachable guardrail, 18 vibration monitoring instrument installation base, 19 instrument protection box, 20 protection box door, 21 distribution cabinet, 22 limit cable pile. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention;

[0030] Reference Figure 1-5 , an air source excitation experimental platform, including a hull component, a platform anchoring component, a safety protection component, a maintenance room component, a platform precision positioning component, and a monitoring equipment component;

[0031] The hull assembly includes four cabins 1, which are spliced ​​into a hull of a round-shaped structure through a connector 3. A non-slip floor 5 is installed at the center of the hull of the round-shaped structure, and the non-slip floor 5 is welded and fixed to the four cabins 1 at the same time;

[0032] The platform anchoring assembly includes a winch 6, an anchor rope 7, and an anchor block 8; the winch 6 is installed on the top surface of the cabin 1, and at the four corners of the hull, an anchor rope 7 is wound around the runner of the winch 6, and one end of the anchor rope 7 is connected to the anchor block 8;

[0033] The safety protection assembly includes an outer ring guardrail 9, a push-pull type access door 10, an outer ring anti-collision body 4, and an anti-collision body hook 2. The outer ring guardrail 9 is fixed on the upper side of the cabin 1, and the push-pull type access door 10 is installed at the outer ring guardrail 9; the outer side of the cabin 1 is installed with an anti-collision body hook 2, and the outer ring anti-collision body 4 is installed on the anti-collision body hook 2;

[0034] The maintenance room assembly includes a supporting crossbeam and a studio 14. The studio 14 is arranged on the top surface of the anti-slip floor 5. The supporting crossbeam is fixed to the bottom surface of the anti-slip floor 5 and the ends are connected to the cabins 1 on both sides. The studio 14 includes four columns. A ceiling is fixed above the four columns. A rolling shutter door 15 is installed between two adjacent columns. The anti-slip floor 5 is provided with four excitation wells 16 on the periphery of the studio 14. A detachable guardrail 17 is installed on the periphery of the excitation well 16. An observation hole 12 is also provided on the anti-slip floor 5 at a position between the studio 14 and the excitation well 16, and a detachable grille cover is provided on the observation hole 12.

[0035] The platform precision positioning component is located at the connection between two adjacent cabins 1, and the platform precision positioning component includes a GNSS mounting pole 13, an RTK device connector is mounted on the GNSS mounting pole 13, and an RTK device is mounted through the RTK device connector;

[0036] The monitoring equipment assembly includes a vibration monitoring instrument, which is mounted on an instrument mounting base 18, the instrument mounting base 18 is mounted on the top of the cabin 1, and an instrument protection box 19 is mounted on the outer side of the instrument mounting base 18, and the instrument protection box 19 is installed with a protection box door 20;

[0037] The cabin 1 is provided with a hull inspection hole 11 , and the hull inspection hole 11 is provided with an inspection hole cover, and the inspection hole cover is provided with a handle.

[0038] The platform of the present invention is composed of four cabins 1, which are in the shape of a "U". Connectors 3 are provided at the joints of each cabin 1 and fastened by multiple bolts 30. Two hull inspection holes 11 are provided above each cabin 1 for checking the sealing performance of the platform. The hull inspection holes 11 are provided with inspection hole covers to prevent debris from falling into the cabin 1. The inspection hole covers are provided with handles to facilitate the opening of the inspection hole covers.

[0039] Furthermore, connectors 3 are fixedly installed at the ends of two adjacent cabins 1 , and the connectors 3 are fixed to each other by bolts 30 .

[0040] Furthermore, a power distribution cabinet 21 is provided above the cabin 1 at the position corresponding to each winch 6 , and a limiting cable pile 22 is installed on the side of the cabin 1 , and the anchor rope 7 extends to the bottom of the hull through the limiting cable pile 22 and is connected to the anchor block 8 .

[0041] Furthermore, the cabin 1 is provided with a slide rail 14 at the outer ring guardrail 9, and a push-pull type access door 10 is slidably installed through the slide rail 14.

[0042] Furthermore, a rope 40 is provided on the outer ring anti-collision body 4, and the outer ring anti-collision body 4 is connected to the anti-collision body hook 2 through the rope 40;

[0043] Furthermore, anti-collision body hooks 2 are fixed on the upper and lower parts of the hull 1, and ropes 40 are provided at the upper and lower ends of the outer ring anti-collision body 4. The ropes 40 are closed and supported by elastic materials. The ropes 40 at the upper and lower parts are respectively put on the upper and lower anti-collision body hooks 2.

[0044] Furthermore, a cable fixing buckle is installed at the connection between the bottom of the anti-slip floor 5 and the supporting beam. The cable fixing buckle is used to tie and fix the cables of the air vibration source equipment, and a fixing buckle screw rod is installed on the cable fixing buckle. The fixing buckle screw rod is used to position the cable and prevent it from falling off.

[0045] The working principle of the present invention is as follows:

[0046] Directions:

[0047] 1. The cabin 1 is welded from steel plates, and connectors 3 are welded at each joint, which are connected and fixed by bolts 30 to form a platform prototype. Hull inspection holes 11 are left on the decks at both ends of each cabin 1, and inspection hole covers and handles are installed on the hull inspection holes 11 to facilitate the platform sealing inspection.

[0048] 2. The winch 6 is welded and fixed at the four corners of the platform. The lifting of the winch 6 is controlled by the power distribution cabinet 21. The winch 6 is welded with anchor rope limit cable piles 22 along the four corners of the platform to prevent the anchor rope 7 from falling off when sliding, and also to reduce the wear of the anchor rope 7 on the platform. The anchor block 8 is sunk to the bottom of the water body and connected to the winch 6 through the anchor rope 7, which plays a fixing role on the platform.

[0049] 3. The platform is welded with outer ring guardrails 9 around to ensure the safety of personnel and equipment. An entrance and exit is left on one side, and a push-pull entrance and exit door 10 is set to facilitate the entry and exit of personnel and equipment. Warning lights are fixed on the four corners of the outer ring guardrails 9 to facilitate the discovery of the platform during night navigation and ensure the safety of the platform. Anti-collision body hooks 2 are welded around the platform, and the outer ring anti-collision body 4 is fastened to the hooks with ropes 40 to reduce the hard collision of the platform when the ship approaches the platform.

[0050] 4. Several supporting beams (I-beams) are welded in the middle of the platform, and non-slip floors 5 are welded on the supporting beams to form a maintenance operation platform. Four columns are welded in the middle to support the ceiling, and rolling shutters 15 are installed on all four sides to quickly build a working space for air source maintenance. When welding the I-beam supporting beams, an air source excitation well 16 is left for raising and lowering the air source. Removable protective railings 17 are set around the excitation well 16 to ensure safety and to allow for quick disassembly for equipment maintenance. An observation hole 12 is left on the maintenance platform for observing the equipment, and a removable grille cover for the observation hole is set at the upper end. A cable fixing buckle is welded at the intersection of the I-beam supporting beam below the observation hole 12, and a fixing buckle screw is set on the fixing buckle to tie and fix the equipment cables.

[0051] 5. A GNSS mounting pole 13 and a RTK equipment connector are neatly welded at one corner of the platform's cabin 1, which can be used to fix the RTK during the experiment to complete the precise position measurement of the platform.

[0052] 6. A vibration monitoring instrument mounting base 18 is welded above the cabin at a position not far from the GNSS mounting pole 13 for installing experimental monitoring instruments. An instrument protection box 19 is welded around the vibration monitoring instrument mounting base 18. The instrument protection box 19 is provided with a protection box door 20 to reduce external interference to the instrument.

[0053] After the platform is assembled, adjusted and fixed according to the above steps, the excitation experiment can be carried out by carrying an air source (the air source is lowered into the water from the excitation well 16).

Claims

1. An air source excitation experimental platform, including a hull component, a platform anchoring component, a safety protection component, a maintenance room component, a platform precision positioning component, and a monitoring equipment component. It is characterized by: The hull assembly comprises four cabins (1), the four cabins (1) are spliced ​​into a hull of a round-shaped structure through a connecting piece (3), a non-slip floor (5) is installed at the center of the hull of the round-shaped structure, and the non-slip floor (5) is welded and fixed to the four cabins (1) at the same time; The platform anchoring assembly comprises a winch (6), an anchor rope (7), and an anchor block (8); the winch (6) is installed on the top surface of the cabin (1), and at the four corners of the hull, an anchor rope (7) is wound around the rotating wheel of the winch (6), and one end of the anchor rope (7) is connected to the anchor block (8); The safety protection assembly comprises an outer ring protection railing (9), a push-pull type access door (10), an outer ring anti-collision body (4), and an anti-collision body hook (2); the outer ring protection railing (9) is fixed on the upper side of the cabin (1), and the push-pull type access door (10) is installed on the outer ring protection railing (9); the outer side of the cabin (1) is installed with an anti-collision body hook (2), and the outer ring anti-collision body (4) is installed on the anti-collision body hook (2); The maintenance room assembly comprises a supporting crossbeam and a working room (14), wherein the working room (14) is arranged on the top surface of the anti-slip floor (5), the supporting crossbeam is fixed to the bottom surface of the anti-slip floor (5) and the ends thereof are connected to the cabins (1) on both sides, the working room (14) comprises four columns, a ceiling is fixed above the four columns, and a rolling shutter door (15) is installed between two adjacent columns; the anti-slip floor (5) is provided with four excitation wells (16) at the periphery of the working room (14), and a detachable protective railing (17) is installed at the periphery of the excitation wells (16); an observation hole (12) is also provided on the anti-slip floor (5) at a position between the working room (14) and the excitation well (16), and a detachable grille cover is provided on the observation hole (12); The platform precision positioning component is located at the connection between two adjacent cabins (1), and the platform precision positioning component comprises a GNSS installation pole (13), an RTK equipment connector is installed on the GNSS installation pole (13), and an RTK equipment is installed through the RTK equipment connector; The monitoring equipment assembly comprises a vibration monitoring instrument, the vibration monitoring instrument is mounted on an instrument mounting base (18), the instrument mounting base (18) is mounted on the top of the cabin (1), and an instrument protection box (19) is mounted on the outer side of the instrument mounting base (18), and the instrument protection box (19) is equipped with a protection box door (20); The cabin (1) is provided with a hull inspection hole (11), and the hull inspection hole (11) is provided with an inspection hole cover, and the inspection hole cover is provided with a handle.

2. The air source excitation experimental platform according to claim 1, characterized in that: Connecting pieces (3) are fixedly mounted on the ends of two adjacent cabins (1), and the connecting pieces (3) are fixedly mounted via bolts (30).

3. The air source excitation experimental platform according to claim 1, characterized in that: A power distribution cabinet (21) is provided above the cabin (1) at a position corresponding to each winch (6), and a limit cable pile (22) is installed on the side of the cabin (1). The anchor rope (7) extends to the bottom of the hull through the limit cable pile (22) and is connected to the anchor block (8).

4. The air source excitation experimental platform according to claim 1, characterized in that: The cabin (1) is provided with a slide rail (14) at the outer ring protection rail (9), and a push-pull type access door (10) is slidably installed through the slide rail (14).

5. The air source excitation experimental platform according to claim 1, characterized in that: The outer ring anti-collision body (4) is provided with a rope (40), and the outer ring anti-collision body (4) is connected to the anti-collision body hook (2) via the rope (40).

6. The air source excitation experimental platform according to claim 5, characterized in that: The hull (1) is fixed with anti-collision body hooks (2) at the upper and lower ends, and the upper and lower ends of the outer ring anti-collision body (4) are provided with ropes (40), the ropes (40) are in a closed state, the ropes (40) are supported by elastic materials, and the ropes (40) at the upper and lower ends are respectively sleeved on the upper and lower anti-collision body hooks (2).

7. The air source excitation experimental platform according to claim 1, characterized in that: A cable fixing buckle is installed at the connection between the bottom of the anti-slip floor (5) and the supporting crossbeam. The cable fixing buckle is used to tie and fix the cables of the air vibration source equipment. A fixing buckle screw rod is installed on the cable fixing buckle. The fixing buckle screw rod is used to position the cable and prevent it from falling off.

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