A marine engineering vibration experimental device

Abstract

The invention discloses a marine engineering vibration experiment device, which belongs to the technical field of marine engineering vibration experiments, and comprises an installation box, a floating device, a measuring device and a shock absorbing device. The floating devices are provided with four, and the four floating devices are symmetrically arranged on both sides of the installation box in pairs. The shock absorbing device is arranged at the bottom of the installation box, and the measuring device is arranged on the top of the shock absorbing device, and the measuring end of the measuring device extends to the inner wall of the installation box. When the whole device is conducting experiments on the ocean, the floating device makes the installation box float on the ocean, and the measuring device conducts experimental tests on ocean currents in the ocean. When encountering ocean currents, the shock absorbing device prevents the measuring device from tilting or overturning, thereby affecting the experimental data.

Description

Technical Field

[0001] The invention relates to the technical field of marine engineering vibration experiments, and in particular to a marine engineering vibration experiment device. Background Art

[0002] Marine engineering refers to new construction, reconstruction and expansion projects that are aimed at developing, utilizing, protecting and restoring marine resources, and the main body of the project is located on the seaward side of the coastline. It is generally believed that the main contents of marine engineering can be divided into two parts: resource development technology and equipment and facility technology, including: reclamation, offshore dam projects, artificial islands, offshore and submarine material storage facilities, cross-sea bridges, submarine tunnel projects, submarine pipelines, submarine electrical (optical) cable projects, marine mineral resource exploration and development and its ancillary projects, offshore tidal power stations, wave power stations, temperature difference power stations and other marine energy development and utilization projects, large-scale seawater aquaculture farms, artificial reef projects, salt pans, seawater desalination and other seawater comprehensive utilization projects, marine entertainment and sports, landscape development projects, and other marine projects stipulated by the national marine authorities in conjunction with the environmental protection authorities of the State Council. Between the implementation of a series of marine engineering projects, experiments are conducted on the ocean bottom to explore the impact of the ocean conditions on the projects. In the existing marine engineering vibration experimental devices, the following problems may exist: first, in the marine vibration engineering experiment, the experimental device is easily affected by seawater and becomes unstable; second, in the marine vibration engineering experiment, seawater may enter the experimental device and affect the results of the experiment. Summary of the invention

[0003] The embodiment of the present invention provides a marine engineering vibration experimental device to solve the technical problems that in marine vibration engineering experiments, the experimental device is easily affected by seawater and becomes unstable in support, and seawater may enter the experimental device during the marine vibration engineering experiment, thus affecting the results of the experiment.

[0004] The embodiment of the present invention adopts the following technical scheme: a marine engineering vibration experimental device, including an installation box, a floating device, a measuring device and a shock absorbing device, wherein four floating devices are provided, and the four floating devices are symmetrically arranged in pairs on both sides of the installation box, the shock absorbing device is arranged at the bottom of the installation box, and the measuring device is arranged on the top of the shock absorbing device and the measuring end of the measuring device extends to the inner wall of the installation box.

[0005] Furthermore, the floating device includes a floating plate, a driving motor, a first gear and a first mounting frame, the driving motor is arranged on the side wall of the mounting box, the first gear is arranged on the main shaft of the driving motor, one end of the first mounting frame is provided with a rack groove, the rack groove on the first mounting frame is meshed with the first gear, the other end of the first mounting frame extends to the bottom of the mounting box, and the floating plate is arranged at the other end of the first mounting frame.

[0006] Furthermore, the measuring device comprises an experimental box and a position sensor, wherein the experimental box is arranged on the shock absorbing device, and four position sensors are provided, and the four position sensors are arranged on four inner side walls of the installation box.

[0007] Furthermore, the shock absorbing device includes a mounting seat, a shock absorbing rod, an upper fixed plate, a lower fixed plate, a sliding plate, two sliding sleeves, two sliding rods, two sliding seats, two upper connecting rods, two lower connecting rods, two upper longitudinal shock absorbing springs, two lower longitudinal shock absorbing springs and two transverse shock absorbing springs. The mounting seat is arranged at the bottom of the mounting box and a sliding groove is provided on the mounting seat. The lower fixed plate is fixedly connected to the inner bottom of the mounting seat and the mounting seat. The two sliding seats are symmetrically arranged on the two inner side walls of the mounting seat and slide with the mounting seat. The two ends of the shock absorbing rod are fixedly connected to the two sliding seats. The two sliding rods are symmetrically arranged in the mounting seat. The sliding plate is The two wheels are connected with each other through sliding grooves, and the two ends of the upper connecting rod are rotatably connected with the upper fixing plate and the lower fixing plate, and the two ends of the lower connecting rod are rotatably connected with the lower fixing plate and the lower fixing plate, and the two transverse shock absorbing springs are arranged between the sliding sleeve and the sliding seat, and the two transverse shock absorbing springs are arranged on the shock absorbing rod.

[0008] Furthermore, a pumping device and a speed regulating device are also provided in the installation box. The pumping device is arranged in the installation box and the water inlet end of the pumping device is lower than the height of the measuring device. The speed regulating device is arranged in the installation box and the speed regulating end of the speed regulating device is located outside the installation box.

[0009] Furthermore, the pumping device includes a mounting plate, a second mounting frame, a pumping motor, a rotating seat, a second rotating shaft, a third rotating shaft, a fourth rotating shaft, a water changing rod, a sliding tube, a water inlet pipe, a water outlet pipe, two rotating gears, two transmission gears and two rotating plates, the sliding tube is vertically arranged at the inner bottom of the mounting box, the mounting plate is horizontally arranged at the top of the sliding tube, the second mounting frame is horizontally fixedly connected to the top of the mounting plate, the rotating seat is vertically arranged on the mounting plate, the second rotating shaft is rotatably connected to the second mounting frame, the pumping motor is horizontally arranged at the top of the second mounting frame, and one end of the second rotating shaft is transmission-connected On the main shaft of the water pumping motor, the two rotating gears are symmetrically fixedly connected to the second rotating shaft, the third rotating shaft is arranged on the rotating seat, the two transmission gears are symmetrically arranged at both ends of the third rotating shaft, each of the rotating gears is meshed with the transmission gear, each of the rotating plates is rotatably connected to the transmission gear, the two ends of the fourth rotating shaft are arranged on two rotating plates, the water changing rod is fixedly connected to the fourth rotating shaft, the water changing rods are slidably matched with the mounting plate and the sliding tube, the water inlet pipe is arranged on the sliding tube and the water inlet end of the water inlet pipe passes through the mounting box and extends outside the mounting box, and the water outlet pipe is fixedly connected to the sliding tube.

[0010] Further, the speed regulation device includes a driving assembly and a swinging assembly, the driving assembly is arranged in an installation box and located at the rear end of the installation box, the swinging assembly is arranged at the bottom of the driving assembly, the driving assembly includes a mounting block, a first motor, a first clip, a second clip, a first rotating shaft, a first connecting shaft and a driving swing blade, the mounting block is arranged on the inner side wall of the installation box, the first motor is arranged on the mounting block, one end of the first clip is arranged on the main shaft of the first motor, one end of the second clip is hinged to the other end of the first clip, one end of the first rotating shaft is connected to the other end of the second clip, one end of the first connecting shaft is arranged at the other end of the first rotating shaft and is hinged to the first rotating shaft, the other end of the first connecting shaft is connected to the driving assembly, and the driving swing blade is connected to the other end of the first connecting shaft and is hinged to the first connecting shaft.

[0011] Further, the swing assembly includes a second motor, a first connecting rod, a second connecting rod and a third connecting frame, the second motor is arranged on the mounting block and the main shaft of the second motor is arranged vertically downward, one end of the first connecting rod is horizontally arranged on the main shaft of the second motor and the first connecting rod is located at the bottom of the mounting block, one end of the second connecting rod is arranged at the other end of the first connecting rod and is hinged to the first connecting rod, and the third connecting frame is arranged at the other end of the second connecting rod and is hinged to the second connecting rod.

[0012] At least one of the above technical solutions adopted in the embodiments of the present invention can achieve the following beneficial effects:

[0013] First, when the present invention conducts experiments on the ocean, the installation box is supported by four floating devices, so that the installation box floats safely and stably on the ocean surface, and the stability of the installation box is ensured during the test, and it will not be disturbed by the external ocean current. When conducting the experiment, the measuring device conducts experimental tests on the ocean current in the ocean. When encountering the ocean current, the shock absorbing device performs shock absorption on the measuring device to prevent the installation box from shaking a lot, causing the measuring device to shake and tip over, thereby affecting the accuracy of the experimental data.

[0014] Secondly, in order to increase the stability and safety of the experimental device, the present invention can adjust the distance between the float discs according to the actual environment. At this time, the driving motor works to drive the first gear set on the main shaft of the driving motor to work, and the first gear drives the rack groove on the first mounting frame to rotate, thereby driving the float disc to rotate and adjusting the position of the float disc in the water. Therefore, the distance between the floats can be adjusted according to the actual environment, thereby increasing the stability and safety of the experimental device.

[0015] Thirdly, when the experiment of the present invention starts, the four position sensors can be used to enable the experimental box to detect the impact force generated on the four sides of the installation box. When water enters the installation box, the operation of the water pumping motor drives the second rotating shaft to rotate, thereby driving the two rotating gears to rotate. The rotation of the two rotating gears drives the two transmission gears to rotate on the rotating seat through the third rotating shaft. The rotation of the two transmission gears drives the two rotating plates to swing up and down with the rotation of the two transmission gears. The up and down swinging of the two rotating plates drives the fourth rotating shaft to swing up and down. The up and down swinging of the fourth rotating shaft pushes the water changing rod to slide up and down in the installation plate and the sliding tube, thereby driving the accumulated water to enter the sliding tube through the water inlet pipe and then be discharged into the installation box through the water outlet pipe to realize drainage, thereby ensuring that no water will be generated in the installation box to affect the experimental work.

[0016] Fourthly, when the position of the experimental device needs to be changed in the present invention, the first motor drives the first buckle to work, the first buckle drives the second buckle to work, the second buckle drives the first rotating shaft to rotate, the first rotating shaft drives the first connecting shaft to rotate, the first connecting shaft drives the driving swing blade to work, when the driving component is working, the swinging component works, the second motor drives the first connecting rod arranged on the second motor main shaft to work, the first connecting rod drives the second connecting rod hinged thereto to work, the second connecting rod works to drive the third connecting frame hinged thereto to work, the third connecting frame works to drive the driving swing blade arranged on the third connecting frame to swing left and right, and through the setting of the swinging component, the entire experimental device can be better moved, which greatly improves the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0018] In the attached picture:

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0020] Figure 2 It is a sectional view of the three-dimensional structure of the present invention;

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the floating device of the present invention;

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the measuring device of the present invention;

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the shock absorbing device of the present invention;

[0024] Figure 6 The three-dimensional structure diagram of the water pumping device of the present invention is shown in FIG. Figure 1 ;

[0025] Figure 7 The three-dimensional structure diagram of the water pumping device of the present invention is shown in FIG. Figure 2 ;

[0026] Figure 8 The three-dimensional structure diagram of the speed regulating device of the present invention is shown in FIG. Figure 1 ;

[0027] Fig. 9 The three-dimensional structure diagram of the speed regulating device of the present invention is shown in FIG. Figure 2 .

[0028] Reference numerals

[0029] Installation box 1, floating device 2, floating plate 21, driving motor 22, first gear 23, first mounting frame 24, measuring device 3, experimental box 31, position sensor 32, shock absorbing device 4, mounting seat 41, shock absorbing rod 42, upper fixed plate 43, lower fixed plate 44, sliding plate 45, sliding sleeve 46, sliding rod 47, sliding seat 48, upper connecting rod 49, lower connecting rod 410, upper longitudinal shock absorbing spring 411, lower longitudinal shock absorbing spring 412, transverse shock absorbing spring 413, base 414, pumping device 5, mounting plate 51, second mounting frame 52, pumping motor 53, rotating seat 54 , the second rotating shaft 55, the third rotating shaft 56, the fourth rotating shaft 57, the water changing rod 58, the sliding tube 59, the water inlet pipe 510, the water outlet pipe 511, the rotating gear 512, the transmission gear 513, the rotating plate 514, the speed regulating device 6, the driving assembly 61, the mounting block 611, the first motor 612, the rotating plate 613, the second buckle 614, the first rotating shaft 615, the first connecting shaft 616, the driving swing blade 617, the rotating frame 618, the swing shaft 6181, the swing assembly 62, the second motor 621, the first connecting rod 622, the second connecting rod 623, and the third connecting frame 624. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the specific embodiments of the present invention and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0031] The technical solutions provided by various embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0032] Reference Figure 1-Figure 9 An embodiment of the present invention provides a marine engineering vibration experiment device, including an installation box 1, a floating device 2, a measuring device 3 and a shock absorbing device 4. The floating devices 2 are provided with four, and the four floating devices 2 are symmetrically arranged on both sides of the installation box 1 in pairs. The shock absorbing device 4 is arranged at the bottom of the installation box 1, and the measuring device 3 is arranged on the top of the shock absorbing device 4 and the measuring end of the measuring device 3 extends to the inner wall of the installation box 1.

[0033] When conducting experiments on the ocean, the installation box 1 is supported by four floating devices 2 so that the installation box 1 floats safely and stably on the ocean surface. The stability of the installation box 1 is ensured during the test and will not be disturbed by external ocean currents. When conducting experiments, the measuring device 3 performs experimental tests on the ocean currents in the ocean. When encountering ocean currents, the shock absorbing device 4 absorbs the shock of the measuring device 3 to prevent the installation box 1 from shaking a lot, causing the measuring device 3 to shake and tip over, thereby affecting the accuracy of the experimental data.

[0034] The floating device 2 includes a floating plate 21, a driving motor 22, a first gear 23 and a first mounting frame 24. The driving motor 22 is arranged on the side wall of the mounting box 1, and the first gear 23 is arranged on the main shaft of the driving motor 22. One end of the first mounting frame 24 is provided with a rack groove, and the rack groove on the first mounting frame 24 is meshed with the first gear 23. The other end of the first mounting frame 24 extends to the bottom of the mounting box 1, and the floating plate 21 is arranged at the bottom of the first mounting frame 24.

[0035] The experimental device is placed in the ocean, and the floating disc 21 floats the entire device on the water surface. In order to increase the stability and safety of the experimental device, the distance between the floating discs 21 can be adjusted according to the actual environment. At this time, the driving motor 22 works, driving the first gear 23 set on the main shaft of the driving motor 22 to work. The first gear 23 drives the rack groove on the first mounting frame 24 to rotate, thereby driving the floating disc 21 to rotate, and adjusting the position of the floating disc 21 in the water. Therefore, the distance between the floats can be adjusted according to the actual environment, thereby increasing the stability and safety of the experimental device.

[0036] The measuring device 3 includes an experimental box 31 and a position sensor 32. The experimental box 31 is arranged on the shock absorbing device 4. Four position sensors 32 are provided. The four position sensors 32 are arranged on four inner side walls of the installation box 1. A controller electrically connected to the position sensor 32 is arranged in the installation box 1.

[0037] When the experiment starts, the experiment box 31 can detect the impact force generated on the four sides of the installation box 1 through the four position sensors 32, and transmit the detected signal to the controller, which analyzes the transmitted signal to analyze the amplitude of the vibration.

[0038] The shock absorbing device 4 includes a mounting seat 41, a shock absorbing rod 42, an upper fixed plate 43, a lower fixed plate 44, a sliding plate 45, two sliding sleeves 46, two sliding rods 47, two sliding seats 48, two upper connecting rods 49, two lower connecting rods 410, two upper longitudinal shock absorbing springs 411, two lower longitudinal shock absorbing springs 412 and two transverse shock absorbing springs 413. The mounting seat 41 is arranged at the bottom of the mounting box 1 and a sliding groove is provided on the mounting seat 41. The lower fixed plate 44 is fixedly connected to the inner bottom of the mounting seat 41. The two sliding seats 48 are symmetrically arranged on the two inner side walls of the mounting seat 41 and slide with the mounting seat 41. The two ends of the shock absorbing rod 42 are fixedly connected to the two sliding seats 48. The two sliding rods 47 are symmetrically arranged in the mounting seat 41. The sliding plate 45 is arranged on the two sliding rods 47 and slides with the two sliding rods 47 through the sliding groove, the upper fixed plate 43 is fixedly connected to the inner top of the mounting seat 41, an upper longitudinal shock-absorbing spring 411 is provided between each of the sliding seats 48 and the sliding plate 45, and a lower longitudinal shock-absorbing spring 412 is provided between each of the sliding seats 48 and the mounting seat 41, the two sliding sleeves 46 are symmetrically arranged on the shock-absorbing rod 42 and slide with the shock-absorbing rod 42, and a base 414 is provided at the top and bottom of each of the sliding sleeves 46, the two ends of the upper connecting rod 49 are rotatably connected with the upper fixed plate 43 and the base 414 respectively, and the two ends of the lower connecting rod 410 are rotatably connected with the lower fixed plate 44 and the base 414 respectively, two transverse shock-absorbing springs 413 are provided between the sliding sleeve 46 and the sliding seat 48, and the two transverse shock-absorbing springs 413 are sleeved on the shock-absorbing rod 42.

[0039] When subjected to the impact force generated by sea water, the two upper connecting rods 49 and the two lower connecting rods 410 push the two sliding sleeves 46 to slide relative to or backward on the shock-absorbing rod 42, and the two sliding sleeves 46 respectively squeeze the two transverse shock-absorbing springs 413 to consume the impact force, thereby achieving the purpose of shock absorption and buffering. At the same time, the two sliding seats 48 move between the two upper longitudinal shock-absorbing springs 411 and the two lower longitudinal shock-absorbing springs 412 to eliminate the longitudinal impact force of the sliding plate 45. After the impact force is eliminated, a better shock absorption effect can be achieved to prevent vibration caused during the impact of waves from affecting the accuracy of the experimental data.

[0040] A pumping device 5 and a speed regulating device 6 are also provided in the installation box 1. The pumping device 5 is arranged in the installation box 1 and the water inlet end of the pumping device 5 is lower than the height of the measuring device 3. The speed regulating device 6 is arranged in the installation box 1 and the speed regulating end of the speed regulating device 6 is located outside the installation box 1.

[0041] When the waves on the ocean are too strong and water accumulates in the installation box 1, the pumping device 5 will pump out the water in the installation box 1 to ensure normal testing of the entire device. When the experimental device needs to change its position, the speed control device 6 will work to move the entire device, thereby changing the position of the experimental device, making it convenient to perform vibration experiments at different positions to achieve experimental accuracy.

[0042] The pumping device 5 includes a mounting plate 51, a second mounting frame 52, a pumping motor 53, a rotating seat 54, a second rotating shaft 55, a third rotating shaft 56, a fourth rotating shaft 57, a water changing rod 58, a sliding tube 59, a water inlet pipe 510, a water outlet pipe 511, two rotating gears 512, two transmission gears 513 and two rotating plates 514, the sliding tube 59 is vertically arranged at the inner bottom of the mounting box 1, the mounting plate 51 is horizontally arranged at the top of the sliding tube 59, the second mounting frame 52 is horizontally fixedly connected to the top of the mounting plate 51, the rotating seat 54 is vertically arranged on the mounting plate 51, the second rotating shaft 55 is rotatably connected to the second mounting frame 52, the pumping motor 53 is horizontally arranged at the top of the second mounting frame 52, and the second rotating shaft 55 is connected to the main On the axis, the two rotating gears 512 are symmetrically fixedly connected to the second rotating shaft 55, the third rotating shaft 56 is rotatably connected to the rotating seat 54, the two transmission gears 513 are symmetrically arranged at the two ends of the third rotating shaft 56, each of the rotating gears 512 is meshed with the transmission gear 513, the rotating plates 514 are rotatably connected to the transmission gear 513, and the two ends of the fourth rotating shaft 57 are fixedly arranged on the two rotating plates 514, the water changing rod 58 is fixedly vertically connected to the fourth rotating shaft 57 and slidably cooperates with the mounting plate 51, and a piston is provided at the bottom of the water changing rod 58, and the piston is slidably cooperated with the inner wall of the sliding tube 59, the water inlet pipe 510 is connected to the sliding tube 59, and the water outlet pipe 511 is connected to the sliding tube 59 and the water outlet pipe 511 extends to the outside of the mounting box.

[0043] The pumping motor 53 drives the second rotating shaft 55 to drive the two rotating gears 512 to rotate, and the two rotating gears 512 drive the two transmission gears 513 to rotate through the third rotating shaft 56. The rotation of the two transmission gears 513 drives the rotation of the two transmission gears 513 to swing up and down, and the two rotating plates 514 swing up and down to drive the fourth rotating shaft 57 to swing up and down. The up and down swinging of the fourth rotating shaft 57 pushes the piston on the water changing rod 58 to slide up and down in the sliding tube 59, thereby driving the accumulated water to enter the sliding tube 59 through the water inlet pipe 510, and then discharged into the installation box 1 through the water outlet pipe 511 to realize drainage, thereby ensuring that no water will accumulate in the installation box 1 and affect the experimental work.

[0044] The speed regulating device 6 includes a driving component 61 and a swinging component 62. The driving component 61 is arranged in the installation box 1 and is located at the rear end of the installation box 1. The swinging component 62 is arranged at the bottom of the driving component 61. The driving component 61 includes a mounting block 611, a first motor 612, a first buckle 613, a rotating plate 613, a first rotating shaft 615, a first connecting shaft 616, a driving swing blade 617 and a swing frame 618. The mounting block 611 is arranged on the inner side wall of the installation box 1, the first motor 612 is arranged on the mounting block 611, and the first One end of a clip 613 is set on the main shaft of the first motor 612, and one end of the first clip 613 is set to be connected to the first rotating shaft 615. The swing frame 618 is rotatably connected to the side wall of the mounting block 611 through the rotating plate 613. The first rotating shaft 615 is rotatably connected to the swing frame 618. A swing shaft 6181 is provided on the swing frame 618. The first connecting shaft 616 is connected to the first rotating shaft 615. The first connecting shaft 616 is rotatably connected to the swing shaft 6181, and the driving swing blade 617 is connected to the swing shaft 6181.

[0045] When the position of the experimental device needs to be changed, the first motor 612 drives the first buckle 613 to rotate, thereby driving the first rotating shaft 615 to rotate, the first rotating shaft 615 drives the first connecting shaft 616 to rotate, and the first connecting shaft 616 drives the swing shaft 6181 to rotate on the swing frame 618, thereby driving the driving pendulum 617 to swing left and right, and driving the pendulum 617 to swing left and right on the water surface. The position of the installation box 1 can be adjusted, and experiments can be carried out at different positions to achieve the accuracy of the experimental data.

[0046] The swing assembly 62 includes a second motor 621, a first connecting rod 622, a second connecting rod 623 and a third connecting frame 624. The second motor 621 is arranged on the mounting block 611 and the main shaft of the second motor 621 is arranged vertically downward. One end of the first connecting rod 622 is connected to the main shaft of the second motor 621. The second connecting rod 623 is rotatably connected to the first connecting rod 622. The third connecting frame 624 is rotatably connected to the bottom of the mounting block 621 and the third connecting frame 624 is rotatably connected to the second connecting rod 623. The third connecting frame 624 is hinged to the bottom of the swing shaft 6181.

[0047] The second motor 621 drives the first connecting rod 622 to rotate, thereby the second connecting rod 623 rotates, the second connecting rod 623 drives the third connecting frame 624 to rotate, and the third connecting frame 624 drives the swing frame 618 to rotate on the mounting block 611 through the rotating plate 613, so that the driving swing blade 617 rotates to different positions on the horizontal plane, and the position of the mounting box 1 can be adjusted, and experiments can be carried out at different positions to achieve the accuracy of the experimental data.

[0048] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A marine engineering vibration test device, characterized in that: The invention comprises an installation box (1), a floating device (2), a measuring device (3) and a shock absorbing device (4), wherein four floating devices (2) are provided, and the four floating devices (2) are symmetrically arranged in pairs on both sides of the installation box (1), the shock absorbing device (4) is arranged at the bottom of the installation box (1), and the measuring device (3) is arranged on the top of the shock absorbing device (4), and the measuring end of the measuring device (3) extends to the inner wall of the installation box (1); The floating device (2) comprises a floating plate (21), a driving motor (22), a first gear (23) and a first mounting frame (24); the driving motor (22) is arranged on the side wall of the mounting box (1); the first gear (23) is arranged on the main shaft of the driving motor (22); a rack groove is arranged at one end of the first mounting frame (24); the rack groove on the first mounting frame (24) and the first gear (23) are meshed with each other; the other end of the first mounting frame (24) extends to the bottom of the mounting box (1); and the floating plate (21) is arranged at the other end of the first mounting frame (24); The installation box (1) is further provided with a pumping device (5) and a speed regulating device (6); the pumping device (5) is arranged in the installation box (1) and the water inlet end of the pumping device (5) is lower than the height of the measuring device (3); the speed regulating device (6) is arranged in the installation box (1) and the speed regulating end of the speed regulating device (6) is located outside the installation box (1); The speed regulating device (6) comprises a driving assembly (61) and a swing assembly (62); the driving assembly (61) is arranged in the installation box (1) and is located at the rear end of the installation box (1); the swing assembly (62) is arranged at the bottom of the driving assembly (61); the driving assembly (61) comprises a mounting block (611), a first motor (612), a first buckle (613), a second buckle (614), a first rotating shaft (615), a first connecting shaft (616) and a driving swing blade (617); the mounting block (611) is arranged on the inner side wall of the installation box (1); the first motor (612) is arranged on the mounting block (611) ), one end of the first buckle (613) is arranged on the main shaft of the first motor (612), one end of the second buckle (614) is hinged to the other end of the first buckle (613), one end of the first rotating shaft (615) is connected to the other end of the second buckle (614), one end of the first connecting shaft (616) is arranged at the other end of the first rotating shaft (615) and is hinged to the first rotating shaft (615), the other end of the first connecting shaft (616) is connected to the driving assembly (61), and the driving swing blade (617) is connected to the other end of the first connecting shaft (616) and is hinged to the first connecting shaft (616); The swing assembly (62) comprises a second motor (621), a first connecting rod (622), a second connecting rod (623) and a third connecting frame (624); the second motor (621) is arranged on the mounting block (611) and the main shaft of the second motor (621) is arranged vertically downward; one end of the first connecting rod (622) is horizontally arranged on the main shaft of the second motor (621) and the first connecting rod (622) is located at the bottom of the mounting block (611); one end of the second connecting rod (623) is arranged at the other end of the first connecting rod (622) and is hinged to the first connecting rod (622); the third connecting frame (624) is arranged at the other end of the second connecting rod (623) and is hinged to the second connecting rod (623).

2. The marine engineering vibration test device according to claim 1, characterized in that: The measuring device (3) comprises an experimental box (31) and a position sensor (32); the experimental box (31) is arranged on the shock absorbing device (4); four position sensors (32) are provided, and the four position sensors (32) are arranged on four inner side walls of the installation box (1).

3. The marine engineering vibration experimental device according to claim 1, characterized in that: The shock absorbing device (4) comprises a mounting seat (41), a shock absorbing rod (42), an upper fixing plate (43), a lower fixing plate (44), a sliding plate (45), two sliding sleeves (46), two sliding rods (47), two sliding seats (48), two upper connecting rods (49), two lower connecting rods (410), two upper longitudinal shock absorbing springs (411), two lower longitudinal shock absorbing springs (412) and two transverse shock absorbing springs (413). The mounting seat (41) is arranged on a mounting box. (1) and a sliding groove is provided on the bottom of the mounting seat (41), the lower fixing plate (44) is fixedly connected to the inner bottom of the mounting seat (41) and the mounting seat (41), the two sliding seats (48) are symmetrically arranged on the two inner side walls of the mounting seat (41) and slideably cooperate with the mounting seat (41), the two ends of the shock absorbing rod (42) are fixedly connected to the two sliding seats (48), the two sliding rods (47) are symmetrically arranged in the mounting seat (41), and the sliding plate (45) is arranged On the two sliding rods (47) and slidingly matched with the two sliding rods (47) through the sliding groove, the upper fixed plate (43) is fixedly connected to the inner top of the mounting seat (41), an upper longitudinal shock absorbing spring (411) is provided between each of the sliding seats (48) and the sliding plate (45), and a lower longitudinal shock absorbing spring (412) is provided between each of the sliding seats (48) and the mounting seat (41), and the two sliding sleeves (46) are symmetrically arranged on the shock absorbing rod (42) and slidingly matched with the shock absorbing rod (42). The top and bottom of each sliding sleeve (46) are provided with a base (414), the two ends of the upper connecting rod (49) are rotatably connected to the upper fixing plate (43) and the base (414), the two ends of the lower connecting rod (410) are rotatably connected to the lower fixing plate (44) and the base (414), two transverse shock absorbing springs (413) are provided between the sliding sleeve (46) and the sliding seat (48), and the two transverse shock absorbing springs (413) are sleeved on the shock absorbing rod (42).

4. The marine engineering vibration experimental device according to claim 1, characterized in that: The water pumping device (5) comprises a mounting plate (51), a second mounting frame (52), a water pumping motor (53), a rotating seat (54), a second rotating shaft (55), a third rotating shaft (56), a fourth rotating shaft (57), a water changing rod (58), a sliding tube (59), a water inlet pipe (510), a water outlet pipe (511), two rotating gears (512), two transmission gears (513) and two rotating plates (514); the sliding tube (59) is vertically arranged at the inner bottom of the mounting box (1); the mounting plate (51) is horizontally arranged at the top of the sliding tube (59); the second mounting frame (52) is horizontally fixedly connected to the top of the mounting plate (51); the rotating seat (54) is vertically arranged on the mounting plate (51); the second rotating shaft (55) is rotatably connected to the second mounting frame (52); the water pumping motor (53) is horizontally arranged at the top of the second mounting frame (52); one end of the second rotating shaft (55) is a transmission connecting member; The second rotating shaft (55) is connected to the main shaft of the pumping motor (53), the two rotating gears (512) are symmetrically fixedly connected to the second rotating shaft (55), the third rotating shaft (56) is arranged on the rotating seat (54), the two transmission gears (513) are symmetrically arranged at both ends of the third rotating shaft (56), each of the rotating gears (512) is meshed with the transmission gear (513), each of the rotating plates (514) is rotatably connected to the transmission gear (513), and the The two ends of the fourth rotating shaft (57) are arranged on two rotating plates (514), the water changing rod (58) is fixedly connected to the fourth rotating shaft (57), the water changing rod (58) is slidably matched with the mounting plate (51) and the sliding tube (59), the water inlet pipe (510) is arranged on the sliding tube (59), and the water inlet end of the water inlet pipe (510) passes through the mounting box (1) and extends to the outside of the mounting box (1), and the water outlet pipe (511) is fixedly connected to the sliding tube (59).

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