CN211178849U

CN211178849U - Measuring device for ocean wave load

Info

Publication number: CN211178849U
Application number: CN201922321156.0U
Authority: CN
Inventors: 戴家玮; 顾沈明; 谭安辉
Original assignee: Zhejiang Ocean University ZJOU
Current assignee: Zhejiang Ocean University ZJOU
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-08-04
Anticipated expiration: 2029-12-23

Abstract

The utility model provides a measuring device of ocean wave load relates to ocean wave load measurement field, including installing the base on the carrier, be provided with box, mount pad, four strain sensor, dynamometry board, annular card lid and elevating system on the base, the box passes through elevating system and sets up on the base, the mount pad sets up in the inside centre of box, the annular all around of mount pad is waited to set up four storage tanks that are used for holding strain sensor, the dynamometry board sets up the top at strain sensor, the card lid closes on the box and stabilizes the dynamometry board on strain sensor. This measuring device of ocean wave load, its buoyancy reduces the back when intaking in the box, adjusts the height of box through elevating system to make the height of box the same with the horizontal plane, make wave load's measuring result more accurate.

Description

Measuring device for ocean wave load

Technical Field

The utility model relates to a wave load measures technical field, specifically is a measuring device of ocean wave load.

Background

For the design of ocean engineering structures in severe sea conditions, it is very critical whether the slamming load under the action of waves can be accurately measured. In some sea areas, offshore structures are designed based on the extreme environment encountered by thousands or even thousands of years, and the local and overall loads generated by extreme sea wave slamming are generally used as key characteristic parameters, so that whether a reasonably accurate assessment of slamming load can be provided is of great importance for the safe design of the offshore engineering structures.

There are also devices for measuring sea wave loads, but since the device is subject to water ingress during the measurement process, the buoyancy changes, resulting in the top of the device not being level with the sea level, a measurement result.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a measuring device of ocean wave load that can height-adjusting.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a measuring device of ocean wave load, is including installing the base on the carrier, be provided with box, mount pad, four strain sensor, dynamometry board, annular card lid and elevating system on the base, the box passes through elevating system and sets up on the base, the mount pad sets up in the inside centre of box, four storage tanks that are used for holding strain sensor are seted up to the angle such as annular all around of mount pad, the dynamometry board sets up the top at strain sensor, the card lid closes on the box and stabilizes the dynamometry board on strain sensor.

Preferably, a waterproof membrane is arranged between the force measuring plate and the clamping cover, a clamping groove for inserting the clamping cover is formed in the top of the box body, and the waterproof membrane is clamped into the clamping groove by the clamping cover.

Preferably, the lifting mechanism comprises four vertical columns vertically arranged on the base and four sleeve lugs which are respectively sleeved on the four vertical columns and can slide up and down, the four sleeve lugs are respectively connected with four corners of the box body, a plurality of positioning holes are formed in the vertical columns at equal angles, fixing holes matched with the positioning holes are formed in the sleeve lugs, and the fixing holes are connected with the positioning holes through fixing bolts.

Preferably, the accommodating groove is a semicircular open groove, and the box body is provided with a fixing mechanism for fixing the strain sensor.

Preferably, fixed establishment includes curved fixed plate, screw rod and guide bar, the curved one side of fixed plate is corresponding with strain sensor, the one end pin joint of screw rod is kept away from strain sensor's one side at the fixed plate, and other end threaded connection just extends out outside the box on the box, the one end of guide bar is fixed on the fixed plate, and the horizontal swing joint of the other end is on the box.

Preferably, the base is provided with a mounting plate for mounting on the carrier, and the mounting plate is provided with a plurality of mounting holes.

(III) advantageous effects

The utility model provides a measuring device of ocean wave load. The method has the following beneficial effects:

1. this measuring device of ocean wave load, its buoyancy reduces the back when intaking in the box, adjusts the height of box through elevating system to make the height of box the same with the horizontal plane, make wave load's measuring result more accurate.

2. This measuring device of ocean wave load sets up the water proof membrane between proving board and card lid to through the card lid chucking in the draw-in groove, can prevent effectively that the sea water from getting into the box.

Drawings

FIG. 1 is a diagram illustrating the usage of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

fig. 3 is a schematic view of the fixing mechanism of the present invention.

In the figure: the device comprises a base 1, a box 2, a mounting base 3, a receiving groove 4, a strain sensor 5, a fixing mechanism 6, a fixing plate 61, a screw rod 62, a guide rod 63, a lifting mechanism 7, a vertical column 71, a sleeve lug 72, a through hole 73, a positioning hole 74, a fixing hole 75, a fixing bolt 76, a force measuring plate 8, a waterproof membrane 9, a clamping cover 10, a clamping groove 11 and a mounting plate 12.

Detailed Description

The embodiment of the utility model provides a measuring device of ocean wave load to reach arbitrary regional wave of precision determination, water column and act on the slamming load on marine structure thing, test model surface. As shown in fig. 1-3, the device comprises a base 1 mounted on a carrier, wherein a box 2, a mounting base 3, four strain sensors 5, a force-measuring plate 8, an annular clamping cover 10 and a lifting mechanism 7 are arranged on the base 1.

As shown in fig. 1, a mounting plate 12 for mounting on a carrier is disposed on a base 1, and a plurality of mounting holes are disposed on the mounting plate 12. The base 1 is mounted on a marine vessel or other floating carrier by means of a mounting plate 12.

As shown in fig. 1, the box body 2 is arranged on the base 1 through the lifting mechanism 7, the mounting seat 3 is arranged in the middle of the inside of the box body 2, the mounting seat 3 is cylindrical, four accommodating grooves 4 for accommodating the strain sensors 5 are arranged at equal angles around the mounting seat 3, the accommodating grooves 4 are semicircular open grooves, and the box body 2 is provided with the fixing mechanism 6 for fixing the strain sensors 5. The strain sensor 5 is firmly fixed in the accommodating groove 4 by the fixing mechanism 6. The force measuring plate 8 is arranged above the strain sensor 5, and the clamping cover 10 covers the box body 2 and stabilizes the force measuring plate 8 on the strain sensor 5. The strain sensor 5 is a high precision PX 409S-MVSantiaryseries strain gauge pressure sensor. The waves act on the force measuring plate 8, the force measuring plate 8 drives the contact of the strain sensor 5, and the strain sensor 5 transmits measured data to a computer.

After the buoyancy of the water in the box body 2 is reduced, the height of the box body 2 is adjusted through the lifting mechanism 7, so that the height of the box body 2 is the same as the horizontal plane, and the measurement result of the wave load is more accurate.

As shown in fig. 2, a waterproof film 9 is arranged between the force measuring plate 8 and the card cover 10, and the waterproof film 9 is a rubber film and can prevent water. The top of the box body 2 is provided with a clamping groove 11 for inserting a clamping cover 10, the clamping cover 10 clamps the waterproof membrane 9 into the clamping groove 11, and the clamping cover 10 is tightly connected with the clamping groove 11. Set up water proof membrane 9 between dynamometer board 8 and card lid 10 to through card lid 10 chucking in draw-in groove 11, can prevent effectively that the sea water from getting into in the box 2.

As shown in fig. 1, the lifting mechanism 7 includes four upright posts 71 vertically disposed on the base 1 and four sleeve lugs 72 respectively sleeved on the four upright posts 71 and capable of sliding up and down, the four sleeve lugs 72 are respectively connected with four corners of the box body 2, a plurality of positioning holes 74 are disposed on the upright posts 71 at equal angles, fixing holes 75 adapted to the positioning holes 74 are disposed on the sleeve lugs 72, and the fixing holes 75 are connected with the positioning holes 74 through fixing bolts 76.

When the height of the box body 2 needs to be adjusted, the fixing bolts 76 on the four sleeve lugs 72 are unscrewed, the height of the box body 2 is adjusted up and down, and after the height is determined, the fixing bolts 76 are screwed into the corresponding positioning holes 74.

As shown in fig. 3, the fixing mechanism 6 includes an arc-shaped fixing plate 61, a screw 62, and a guide rod 63, and the arc of the fixing plate 61 is the same as the arc of the outer ring of the mounting base 3. The curved one side of fixed plate 61 corresponds with strain sensor 5, and the one end pin joint of screw rod 62 is in the one side that strain sensor 5 was kept away from to fixed plate 61, and outside another end threaded connection just extended box 2 on box 2, the one end of guide bar 63 was fixed on fixed plate 61, and the horizontal swing joint of the other end is on box 2.

The strain sensor 5 is placed in the accommodating groove 4, and then the screw 62 is screwed, and the screw 62 drives the fixing plate 61 to firmly fix the strain sensor 5 in the accommodating groove 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A device for measuring sea wave loads, comprising a base (1) mounted on a carrier, characterized in that: be provided with box (2), mount pad (3), four strain sensor (5), dynamometry board (8), annular card lid (10) and elevating system (7) on base (1), box (2) set up on base (1) through elevating system (7), mount pad (3) set up in the inside centre of box (2), four storage tank (4) that are used for holding strain sensor (5) are offered to the angle such as annular all around of mount pad (3), dynamometry board (8) set up the top at dynamometry sensor (5), card lid (10) lid closes on box (2) and stabilizes dynamometry board (8) on dynamometry sensor (5).

2. A device for measuring sea wave loads according to claim 1, wherein: waterproof membrane (9) are arranged between the force measuring plate (8) and the clamping cover (10), a clamping groove (11) for inserting the clamping cover (10) is formed in the top of the box body (2), and the waterproof membrane (9) is clamped into the clamping groove (11) by the clamping cover (10).

3. A device for measuring sea wave loads according to claim 1, wherein: elevating system (7) are including vertical four stands (71) that set up on base (1) and cover four cover ears (72) that can slide from top to bottom respectively on four stands (71), four cover ear (72) link to each other with four angles of box (2) respectively, a plurality of locating holes (74) have been seted up to the first-class angle on stand (71), cover ear (72) are last to be seted up fixed orifices (75) with locating hole (74) looks adaptation, fixed orifices (75) link to each other through gim peg (76) with locating hole (74).

4. A device for measuring sea wave loads according to claim 1, wherein: the accommodating groove (4) is a semicircular open groove, and a fixing mechanism (6) for fixing the strain sensor (5) is arranged on the box body (2).

5. A device for measuring sea wave loads according to claim 4, wherein: fixed establishment (6) include curved fixed plate (61), screw rod (62) and guide bar (63), fixed plate (61) curved one side is corresponding with strain sensor (5), the one end pin joint of screw rod (62) is kept away from strain sensor (5) in fixed plate (61) one side, and other end threaded connection just extends outside box (2) on box (2), the one end of guide bar (63) is fixed on fixed plate (61), and the horizontal swing joint of the other end is on box (2).

6. A device for measuring sea wave loads according to claim 1, wherein: the mounting structure is characterized in that a mounting plate (12) used for being mounted on a carrier is arranged on the base (1), and a plurality of mounting holes are formed in the mounting plate (12).