Multi-pulse-source underwater loading adjusting device and method

Abstract

The invention relates to a loading adjusting device and method, in particular to a multi-pulse-source underwater loading adjusting device and method, and solves the problems that the number and distance of pulse sources are difficult to quickly and accurately control in an existing excitation experiment, and the influence of shock waves of a soft detonating cord in the excitation experiment on underwater explosion shock waves of the pulse sources is eliminated. And relatively clean underwater explosion shock wave data are difficult to obtain. The device comprises two adjusting assemblies, a lower-layer sliding rail, an upper-layer sliding rail, N movable clamping bases, a plurality of multi-layer sleeves and a fastening assembly, and N is larger than or equal to 2. The lower end of the multi-layer sleeve extends into the experimental water tank, one end of the soft detonating cord is connected with the detonator, and the other end of the soft detonating cord penetrates through the multi-layer sleeve to be connected with a corresponding pulse source in the experimental water tank; according to the method, the number and the distance of the pulse sources can be rapidly and accurately controlled, meanwhile, the influence of the shock waves of the soft detonating cord on the underwater explosion shock waves of the pulse sources in the experiment is eliminated, and clean underwater explosion shock wave data are obtained.

Description

Technical Field

[0001] The present invention relates to a loading adjustment device and method, and in particular to a multi-pulse source underwater loading adjustment device and method. Background Art

[0002] Multi-pulse source underwater excitation experiments are common in underwater blasting research, and the detonation method of detonator-flexible explosive cord-pulse source is often used. In the excitation experiment, multiple pulse sources need to be loaded in a refined manner to ensure that the blasting depth, spacing, loading angle, etc. of the multiple pulse sources meet the excitation experiment requirements; at the same time, during the construction of underwater blasting projects, as multiple pulse sources are installed in the water, the flexible explosive cord is often loaded in the water together with the multiple pulse sources. During detonation, the pulse shock wave of the flexible explosive cord often intersects with the pulse wave of the medicine ball, affecting the excitation experiment measurement.

[0003] Common problems in multi-pulse source excitation experiments are as follows:

[0004] (1) The pulse source cannot be fixed in water, especially when the centrifuge is rotating at high speed;

[0005] (2) The spatial location of the pulse source is not accurate;

[0006] (3) In hypergravity experiments, the relative positions of the pulse sources will change under the action of the centrifuge, resulting in changes in experimental parameters and having a significant impact on the experimental results;

[0007] (4) The shock wave generated by the explosion of exposed soft explosive cord in water will have a great impact on the measurement of the shock wave of the medicine ball.

[0008] In summary, it is difficult to achieve quick and precise control of the number and distance of pulse sources in existing excitation experiments. At the same time, due to the influence of the soft explosive cord shock wave on the pulse source underwater explosion shock wave in the excitation experiment, it is difficult to obtain relatively clean underwater explosion shock wave data. Summary of the Invention

[0009] The purpose of the present invention is to solve the technical problem that it is difficult to achieve quick and accurate control of the number and distance of pulse sources in existing excitation experiments, and it is difficult to obtain relatively clean underwater explosion shock wave data due to eliminating the influence of soft explosive cord shock waves on the pulse source underwater explosion shock waves in the excitation experiment. A multi-pulse source underwater loading adjustment device and method are provided.

[0010] In order to achieve the above object, the present invention adopts the following technical solutions:

[0011] A multi-pulse source underwater loading adjustment device, which is special in that it includes two adjustment components, a lower slide rail connected to the experimental water tank through the two adjustment components, an upper slide rail rotatably connected to the lower slide rail, and N movable holders, multiple multi-layer sleeves corresponding to the multi-pulse sources, and fastening components, where N is greater than or equal to 2.

[0012] N movable card holders are slidably mounted on the side walls of the lower slide rail and / or the upper slide rail; each movable card holder is provided with mounting holes adapted for multi-layer casings along the height direction of the upper and lower slide rails; a plurality of multi-layer casings are inserted into the mounting holes of the movable card holders at corresponding positions; the lower end of the multi-layer casing extends into the experimental water tank; one end of the flexible explosive cord is connected to the detonator, and the other end passes through the multi-layer casing and is connected to the corresponding pulse source in the experimental water tank; the submersion depth of the multi-layer casing is adjustable to adjust the position of the corresponding pulse source;

[0013] The lower slide rail is a rectangular parallelepiped structure, with a measuring instrument on its upper surface and scale lines along the length direction on the side wall corresponding to the movable card seat; the upper slide rail has the same structure as the lower slide rail, and the upper surfaces of the two are parallel;

[0014] The adjustment component is used to adjust the postures of the lower slide rail and the upper slide rail so that the lower slide rail and the upper slide rail are respectively parallel to the horizontal plane in the experimental water tank;

[0015] The measuring instrument is used to detect the parallelism between the lower slide rail and the upper slide rail and the horizontal plane in the experimental water tank;

[0016] The scale lines are used to measure the distance between the N movable card seats, and the fastening components are used to respectively connect the N movable card seats to the lower slide rail and / or the upper slide rail and the corresponding multiple multi-layer sleeves after the adjustment is completed.

[0017] Furthermore, it also includes two U-shaped slots arranged at both ends of the lower slide rail along the length direction;

[0018] Also comprising a plurality of first fastening bolts;

[0019] The side walls of the two U-shaped slots are respectively connected to the experimental water tank and fixedly connected to the experimental water tank through the first fastening bolts. The bottoms of the two U-shaped slots are respectively connected to the two end portions of the lower slide rail through adjustment components.

[0020] Furthermore, it also includes multiple second fastening bolts; each adjustment assembly includes a universal ball head damping shaft and a telescopic screw; the rotating end of the universal ball head damping shaft is connected to one end of the telescopic screw, and the fixed end is connected to the bottom of the U-shaped slot, and the fixed end is provided with a positioning screw hole along the axial direction perpendicular to the universal ball head damping shaft; the second fastening bolt passes through the positioning screw hole and abuts against the ball head of the corresponding universal ball head damping shaft for positioning; the other end of the telescopic screw is fixedly connected to the corresponding end of the lower slide rail, which is used to adjust the length of the lower slide rail to suit different experimental water tanks.

[0021] Furthermore, the fastening assembly includes a plurality of third fastening bolts; the lower slide rail includes a main body and a guide rail; the main body is a rectangular structure; the cross-section of the guide rail is T-shaped, and its small end is fixedly connected to any side wall of the main body; the scale line is arranged on the large end face of the guide rail; the mounting hole is arranged at one end of the movable card seat, and the other end of the movable card seat is provided with a groove adapted to the guide rail; the movable card seat is connected to the guide rail through the groove, and is fixed to the guide rail and the corresponding multi-layer sleeve respectively by the third fastening bolts.

[0022] Furthermore, it also includes a universal damping shaft; the upper slide rail and the lower slide rail are rotatably connected through the universal damping shaft.

[0023] Furthermore, it also includes a fishing line; one end of the soft explosive rope is fixedly connected to the pulse source through the fishing line.

[0024] Furthermore, the scale lines of the lower slide rail and the upper slide rail are located on the same side; the inner diameter of the multi-layer casing is 5 mm, which includes a double-layer stainless steel tube and a rubber tube; the rubber tube is located between the double-layer stainless steel tube; the measuring instrument is a level bubble; N=6.

[0025] At the same time, the present invention also provides a multi-pulse source underwater loading adjustment method, which is special in that it includes the following steps:

[0026] 1] Build the above-mentioned multi-pulse source underwater loading and adjustment device;

[0027] 2] Based on the size of the experimental water tank, use two adjustment components to adjust the length of the lower slide rail. Then adjust the angle between the lower and upper slide rails according to the experimental working conditions. Finally, use two adjustment components to adjust the posture of the lower and upper slide rails so that the lower and upper slide rails are parallel to the horizontal plane in the experimental water tank.

[0028] 3] After installing multiple multi-layer casings on the lower slide rail and / or the upper slide rail, adjust the vertical position of the multi-layer casings and the pulse source so that the pulse source is at the designed water depth. Use the scale lines to determine the distance between the N mobile card holders, and use fastening components to fix the N mobile card holders to the lower slide rail and / or the upper slide rail and the multiple multi-layer casings, respectively, with N ≥ 2.

[0029] Furthermore, step 2 is specifically as follows:

[0030] 2.1. Adjust the telescopic screw according to the space of the experimental water tank, and then use the first fastening bolts and the slots to securely connect the two ends of the lower slide rail to the experimental water tank.

[0031] 2.2. Adjust the angle between the lower and upper slide rails according to the experimental conditions;

[0032] 2.3. Observe the measuring instrument and use the universal ball joint damping shaft to adjust the parallelism of the lower and upper slide rails with the horizontal plane in the experimental water tank until the lower and upper slide rails are parallel to the horizontal plane in the experimental water tank, and then use the second fastening bolt to fix the universal ball joint damping shaft.

[0033] Furthermore, in step 3], N=6, and three multi-layer sleeves are installed on the lower slide rail and the upper slide rail respectively.

[0034] Beneficial effects of the present invention:

[0035] (1) The device of the present invention can realize the precise positioning and simple adjustment of multiple pulse sources in underwater multi-pulse source excitation experiments under normal gravity and hypergravity conditions through the rotatably connected lower slide rail, upper slide rail and scale line, and can eliminate the adverse effects of the shock wave interference of the soft explosive rope explosion, and can be applied to multiple experimental systems.

[0036] (2) The device of the present invention utilizes two adjustment components, N movable holders, and multiple multi-layer sleeves to adjust the length of the lower slide rail. It also enables the lower slide rail and the upper slide rail to adjust their own spatial arrangement according to the installation position of the sensor in different experimental systems to ensure that the pulse source and the sensor are in a straight line and plane.

[0037] (3) The device of the present invention is provided with measuring instruments on the lower slide rail and the upper slide rail, which can ensure the posture adjustment in the vertical and horizontal directions to meet the experimental requirements; and the design of the double-layer independent slide rails (lower slide rail and upper slide rail) that can move relative to each other increases the arrangement of multiple explosive sources.

[0038] (4) The device of the present invention adopts a modular design, which is simple to install and easy to operate, and can ensure the smooth implementation of multi-point explosion experiments. The card slot design makes the device easy to disassemble, the mobile card holder is easy to disassemble, and its number can be selected according to experimental needs, and it has good versatility.

[0039] (5) Each component in the device of the present invention is small in size and light in weight, and has no large accompanying equipment, making it easy to carry and install.

[0040] (6) The method of the present invention can realize the rapid and precise control of the number and distance of pulse sources, and at the same time eliminate the influence of the soft explosive cord shock wave on the pulse source underwater explosion shock wave in the experiment, thereby obtaining relatively clean underwater explosion shock wave data. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 This is a schematic structural diagram of an embodiment of a multi-pulse source underwater loading adjustment device according to the present invention, wherein the lower slide rail and the upper slide rail are deployed;

[0042] Figure 2 This is a schematic structural diagram of an embodiment of a multi-pulse source underwater loading adjustment device according to the present invention, wherein the lower slide rail and the upper slide rail are combined;

[0043] Figure 3 This is a side view of the combination of the lower slide rail and the upper slide rail in an embodiment of the multi-pulse source underwater loading adjustment device of the present invention.

[0044] Description of reference numerals:

[0045] 1-first fastening bolt, 2-U-shaped slot, 3-second fastening bolt, 4-universal ball head damping shaft, 5-telescopic screw, 6-upper slide rail, 7-lower slide rail, 8-movable card seat, 9-multi-layer sleeve, 10-measuring instrument, 11-universal damping shaft, 12-third fastening bolt. DETAILED DESCRIPTION

[0046] like Figures 1 to 3 As shown, a multi-pulse source underwater loading adjustment device includes two U-shaped slots 2, a universal damping shaft 11, two adjustment components, a lower slide rail 7 connected to the experimental water tank through the two adjustment components, an upper slide rail 6 rotatably connected to the lower slide rail 7 through the universal damping shaft 11, as well as 6 movable holders 8, 6 multi-layer sleeves 9 corresponding to the multi-pulse sources one by one, multiple first fastening bolts 1, and multiple second fastening bolts 3; the universal damping shaft 11 has a certain damping, allowing the upper slide rail 6 and the lower slide rail 7 to move independently and achieve posture fixation.

[0047] The lower slide rail 7 is a rectangular parallelepiped structure, and a measuring instrument 10 is provided on its upper surface, and the measuring instrument 10 adopts a level bubble; scale lines are provided on the side walls of the lower slide rail 7 along the length direction; the upper slide rail 6 has the same structure as the lower slide rail 7, and the upper surfaces of the two are parallel, and the scale lines on them are located on the same side; 6 movable card seats 8 are slidably arranged on the side walls of the lower slide rail 7 and the upper slide rail 6 respectively; each movable card seat 8 is provided with a mounting hole adapted to the multilayer casing 9 along the height direction of the upper slide rail 6 and the lower slide rail 7; the 6 multilayer casings 9 are respectively inserted into the mounting holes of the movable card seats 8 at the corresponding positions; the lower end of the multilayer casing extends into the experimental water tank, one end of the soft explosive cord is connected to the detonator, and the other end passes through the multilayer casing 9 and the corresponding The multilayer casing 9 is connected to the pulse source; the water immersion depth of the multilayer casing 9 is adjustable, which is used to adjust the position of the corresponding pulse source; the adjustment component is used to adjust the posture of the lower slide rail 7 and the upper slide rail 6 so that the lower slide rail 7 and the upper slide rail 6 are respectively parallel to the horizontal plane in the experimental water tank, and the verticality of the multilayer casing 9 entering the water; the measuring instrument 10 is used to detect the parallelism of the lower slide rail 7 and the upper slide rail 6 with the horizontal plane in the experimental water tank; the scale line is used to measure the distance between the movable card holders 8, and the fastening component is used to respectively connect the six movable card holders 8 to the lower slide rail 7 and the upper slide rail 6 and the corresponding six multilayer casings 9 after the adjustment is completed; the multilayer casing 9 is used to insert the soft explosive cord, one end of the soft explosive cord is connected to the pulse source via a fishing line, and the other end is connected to the detonator. The length of the multilayer casing 9 can be set according to the water depth in the water tank, so that the spatial position of the sensor and multiple pulse sources in the water tank can be flexibly adjusted.

[0048] The underwater loading and adjustment device for multiple pulse sources in this invention eliminates the interference of pulse waves generated by the explosion of soft explosive cables on the pulse waves of the pulse sources underwater. It also fixes the pulse sources in place on a centrifuge, and in conjunction with the fishing line, protects the pulse sources and soft explosive cables, preventing them from detaching under high acceleration.

[0049] The side walls of the two U-shaped slots 2 arranged at both ends of the lower slide rail 7 along the length direction are respectively connected to the experimental water tank and fixedly connected to the experimental water tank by the first fastening bolt 1. The bottoms of the two U-shaped slots 2 are respectively connected to the two end portions of the lower slide rail 7 through adjustment components. The detachable design of the U-shaped slots 2 at both ends of the lower slide rail 7 ensures the versatility of the device of the present invention.

[0050] Each adjustment assembly includes a universal ball joint damping shaft 4 and a telescopic screw 5; the rotating end of the universal ball joint damping shaft 4 is connected to one end of the telescopic screw 5, and the fixed end is connected to the bottom of the U-shaped slot 2, and the fixed end is provided with a positioning screw hole along the axis perpendicular to the universal ball joint damping shaft 4; the second fastening bolt 3 passes through the positioning screw hole and abuts against the ball head of the corresponding universal ball joint damping shaft 4 for positioning; the other end of the telescopic screw 5 is fixedly connected to the corresponding end of the lower slide rail 7, which is used to adjust the length of the lower slide rail 7 and is suitable for different experimental water tanks. The other end of the telescopic screw 5 is provided with a fastening nut. After the lower slide rail 7 is adjusted to the appropriate length, the other end of the telescopic screw 5 is tightened with the fastening nut through the fastening nut to fix the length direction position.

[0051] The universal ball joint damping shaft 4 allows for the arbitrary placement and fine-tuning of the upper and lower rails 6 and 7. Measuring instruments 10 on the upper and lower rails 6 and 7 ensure their horizontal length and vertical height. The telescopic screw 5 can be freely extended and retracted, enabling the length of the lower rail 7 to be adjusted, further enhancing the applicability of the present device.

[0052] The lower slide rail 7 includes a body and a guide rail; the body is a rectangular parallelepiped structure; the cross section of the guide rail is T-shaped, and its small end is fixedly connected to any side wall of the body; the scale lines are set on the large end face of the guide rail, which can achieve precise control of the spacing between different pulse sources; the scale lines of the lower slide rail 7 and the upper slide rail 6 are located on the same side; the mounting hole is set at one end of the mobile card holder 8, and the other end of the mobile card holder 8 is provided with a groove adapted to the guide rail; the fastening assembly includes a plurality of third fastening bolts 12; the mobile card holder 8 is connected to the guide rail through the groove, and is respectively connected to the guide rail and the corresponding multi-layer sleeve 9 through the third fastening bolts 12. A freely slidable mobile card holder 8 is provided along the guide rail. The mobile card holder 8 can move freely along the guide rail, thereby quickly adjusting the spatial position of multiple pulse sources; the number of mobile card holders 8 can be flexibly selected according to experimental needs to achieve the loading of any number of pulse sources. The inner diameter of the multi-layer sleeve 9 installed through the mobile card seat 8 is 5mm, which includes a double-layer stainless steel tube and a rubber tube; the rubber tube is located between the double-layer stainless steel tube, which can eliminate the influence of the soft explosive cord shock wave on the medicine ball (pulse source) shock wave during underwater explosion, thereby achieving the cleanliness of the underwater pulse source explosion shock wave data.

[0053] Preferably, the basic structure of the device of the present invention is a double-layer slide rail, which can realize independent movement at any angle in the horizontal direction. When the upper slide rail 6 and the lower slide rail 7 are in a merged state, the angle between them is 0°, which can realize horizontal arrangement of multiple pulse sources. When the upper slide rail 6 and the lower slide rail 7 are in a crossed state, the angle between them is 90°, which can realize vertical arrangement of multiple pulse sources.

[0054] At the same time, the present invention also provides a multi-pulse source underwater loading adjustment method, comprising the following steps:

[0055] 1] Build the above-mentioned multi-pulse source underwater loading and adjustment device;

[0056] 2] According to the size of the experimental water tank, use two adjustment components to adjust the distance of the lower slide rail 7 along the length direction, then adjust the angle between the lower slide rail 7 and the upper slide rail 6 according to the experimental working conditions, and then use two adjustment components to adjust the posture of the lower slide rail 7 and the upper slide rail 6 so that the lower slide rail 7 and the upper slide rail 6 are parallel to the horizontal plane in the experimental water tank. Specifically:

[0057] 2.1. Adjust the telescopic screw 5 according to the space of the experimental water tank, and then use the first fastening bolt 1 and the slot to fix the two ends of the lower slide rail 7 to the experimental water tank respectively;

[0058] 2.2. Adjust the angle between the lower slide rail 7 and the upper slide rail 6 according to the experimental working conditions;

[0059] 2.3. Observe the measuring instrument 10 and use the universal ball joint damping shaft 4 to adjust the parallelism of the lower slide rail 7 and the upper slide rail 6 with the horizontal plane in the experimental water tank until the lower slide rail 7 and the upper slide rail 6 are parallel to the horizontal plane in the experimental water tank, and then use the second fastening bolt 3 to fix the universal ball joint damping shaft 4.

[0060] 3] After installing three multilayer casings 9 on the lower slide rail 7 and the upper slide rail 6 respectively, adjust the vertical position of the multilayer casing 9 and the pulse source so that the pulse source is at the designed water depth. Use the scale lines to determine the distance between the three mobile holders 8, and use the third fastening bolts 12 to connect the six mobile holders 8 to the lower slide rail 7 and the upper slide rail 6 and the six multilayer casings 9 respectively.

Claims

1. A multi-pulse source underwater loading adjustment device, characterized by: The device comprises two adjustment components, a lower slide rail (7) connected to the experimental water tank via the two adjustment components, an upper slide rail (6) rotatably connected to the lower slide rail (7), N movable holders (8), a plurality of multi-layer sleeves (9) corresponding to the multi-pulse sources, and a fastening component, wherein N is greater than or equal to 2. N movable card seats (8) are respectively slidably arranged on the side walls of the lower slide rail (7) and / or the upper slide rail (6); each movable card seat (8) is provided with a mounting hole adapted to the multilayer sleeve (9) along the height direction of the upper slide rail (6) and the lower slide rail (7); a plurality of multilayer sleeves (9) are respectively inserted into the mounting holes of the movable card seats (8) at corresponding positions; the lower end of the multilayer sleeve (9) extends into the experimental water tank, one end of the soft explosive cord is connected to the detonator, and the other end passes through the multilayer sleeve (9) and is connected to the corresponding pulse source in the experimental water tank; the water immersion depth of the multilayer sleeve (9) is adjustable, and is used to adjust the position of the corresponding pulse source; The lower slide rail (7) is a rectangular parallelepiped structure, a measuring instrument (10) is provided on its upper surface, and scale lines are provided along the length direction on the side wall corresponding to the movable card seat (8); the upper slide rail (6) and the lower slide rail (7) have the same structure, and the upper surfaces of the two are parallel; The adjustment assembly is used to adjust the postures of the lower slide rail (7) and the upper slide rail (6) so that the lower slide rail (7) and the upper slide rail (6) are respectively parallel to the horizontal plane in the experimental water tank; The measuring instrument (10) is used to detect the parallelism of the lower slide rail (7) and the upper slide rail (6) with the horizontal plane in the experimental water tank; The scale lines are used to measure the distance between the N movable card seats (8), and the fastening components are used to respectively connect the N movable card seats (8) with the lower slide rail (7) and / or the upper slide rail (6) and the corresponding multiple multi-layer sleeves (9) after adjustment is completed.

2. The multi-pulse source underwater loading adjustment device according to claim 1, characterized in that: It also includes two U-shaped slots (2) arranged at both ends of the lower slide rail (7) along the length direction; Also includes a plurality of first fastening bolts (1); The side walls of the two U-shaped slots (2) are respectively connected to the experimental water tank and fixedly connected to the experimental water tank via a first fastening bolt (1); the bottoms of the two U-shaped slots (2) are respectively connected to the two end portions of the lower slide rail (7) via an adjustment assembly.

3. The multi-pulse source underwater loading adjustment device according to claim 2, characterized in that: Also includes a plurality of second fastening bolts (3); Each of the adjustment components comprises a universal ball joint damping shaft (4) and a telescopic screw (5); the rotating end of the universal ball joint damping shaft (4) is connected to one end of the telescopic screw (5), and the fixed end is connected to the bottom of the U-shaped slot (2), and the fixed end is provided with a positioning screw hole along the axial direction perpendicular to the universal ball joint damping shaft (4); the second fastening bolt (3) passes through the positioning screw hole and abuts against the ball head of the corresponding universal ball joint damping shaft (4) for positioning; The other end of the telescopic screw (5) is fixedly connected to the corresponding end of the lower slide rail (7) and is used to adjust the length of the lower slide rail (7) to be suitable for different experimental water tanks.

4. The multi-pulse source underwater loading adjustment device according to claim 3, characterized in that: The fastening assembly includes a plurality of third fastening bolts (12); The lower slide rail (7) comprises a body and a guide rail; the body is a rectangular parallelepiped structure; the cross section of the guide rail is T-shaped, and its small end is fixedly connected to any side wall of the body; the scale line is provided on the large end surface of the guide rail; The mounting hole is provided at one end of the movable card seat (8), and the other end of the movable card seat (8) is provided with a groove adapted to the guide rail; The movable card seat (8) is connected to the guide rail via the groove and is fixed to the guide rail and the corresponding multi-layer sleeve (9) respectively via a third fastening bolt (12).

5. The multi-pulse source underwater loading adjustment device according to claim 4, characterized in that: Also includes a universal damping shaft (11); The upper slide rail (6) and the lower slide rail (7) are rotatably connected via a universal damping shaft (11).

6. The multi-pulse source underwater loading adjustment device according to claim 5, characterized in that: Also includes fishing line; One end of the soft explosive rope is fixedly connected to the pulse source through a fishing line.

7. The multi-pulse source underwater loading adjustment device according to claim 6, characterized in that: The scale lines of the lower slide rail (7) and the upper slide rail (6) are located on the same side; The inner diameter of the multi-layer casing (9) is 5 mm, and it comprises a double-layer stainless steel tube and a rubber tube; the rubber tube is located between the double-layer stainless steel tube; The measuring instrument (10) is a vial; Said N=6.

8. A multi-pulse source underwater loading adjustment method, characterized in that: The following steps are involved: 1] Construct a multi-pulse source underwater loading adjustment device as described in any one of claims 1 to 7; 2] According to the size of the experimental water tank, the distance of the lower slide rail (7) along the length direction is adjusted using two adjustment components, and then the angle between the lower slide rail (7) and the upper slide rail (6) is adjusted according to the experimental working conditions, and then the postures of the lower slide rail (7) and the upper slide rail (6) are adjusted using the two adjustment components so that the lower slide rail (7) and the upper slide rail (6) are respectively parallel to the horizontal plane in the experimental water tank; 3] After installing a plurality of multilayer sleeves (9) on the lower slide rail (7) and / or the upper slide rail (6), the vertical positions of the multilayer sleeves (9) and the pulse source are adjusted so that the pulse source is at the designed water depth, the distance between the N movable card seats (8) is determined using scale lines, and the N movable card seats (8) are respectively fixedly connected to the lower slide rail (7) and / or the upper slide rail (6) and the plurality of multilayer sleeves (9) by fastening components, where N ≥ 2.

9. A multi-pulse source underwater loading adjustment method according to claim 8, characterized in that: Step 2] Specifically: 2.

1. Adjust the telescopic screw (5) according to the space of the experimental water tank, and then use the first fastening bolt (1) and the slot to fix the two ends of the lower slide rail (7) to the experimental water tank respectively; 2.

2. Adjust the angle between the lower slide rail (7) and the upper slide rail (6) according to the experimental working conditions; 2.

3. Observe the measuring instrument (10) and use the universal ball joint damping shaft (4) to adjust the parallelism of the lower slide rail (7) and the upper slide rail (6) with the horizontal plane in the experimental water tank, until the lower slide rail (7) and the upper slide rail (6) are parallel to the horizontal plane in the experimental water tank, and then use the second fastening bolt (3) to fix the universal ball joint damping shaft (4).

10. The multi-pulse source underwater loading adjustment method according to claim 9, characterized in that: In step 3], N=6, and three multi-layer sleeves (9) are respectively installed on the lower slide rail (7) and the upper slide rail (6).

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