CN214200039U

CN214200039U - Two ship model aquatic relative displacement measuring device

Info

Publication number: CN214200039U
Application number: CN202120550226.4U
Authority: CN
Inventors: 张亚楠; 马雪泉; 季盛; 伍锐; 谢凤伟; 刘恒
Original assignee: Shanghai Ship and Shipping Research Institute Co Ltd
Current assignee: Shanghai Ship and Shipping Research Institute Co Ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-09-14
Anticipated expiration: 2031-03-17

Abstract

The utility model provides a relative displacement measuring device in two boats of model waters, including the telescopic link, locate the first universal joint of telescopic link one end and locate the second universal joint of the telescopic link other end, still including locating the displacement sensor on the telescopic link, displacement sensor is used for detecting the flexible volume of telescopic link, and locate first angle sensor and second angle sensor on the first universal joint, first angle sensor is used for detecting the rotation angle of first universal joint on the first plane, second angle sensor is used for detecting the rotation angle of first universal joint on the second plane, first plane and second plane mutually perpendicular. The utility model discloses a relative displacement measuring device in two boats of model waters can be used to the displacement position relation of two boats of automatic measure, and two boats of being applied to that can be fine are close to in the experimental study.

Description

Two ship model aquatic relative displacement measuring device

Technical Field

The utility model relates to a marine measuring equipment field especially relates to a two ship model aquatic relative displacement measuring device.

Background

When two ships approach each other, the water flow state between the two ships can fluctuate greatly, and the danger of ship runaway or ship collision is easy to happen. Therefore, two-ship approach experiments are an important ship research topic. In order to conduct such experimental studies, a measuring device for detecting a distance positional relationship between two vessels is indispensable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a relative displacement measuring device in two boats of model waters is provided, can be used for detecting the distance position relation between two boats in two boats are close to the experiment.

The utility model discloses a this technical problem is solved to following mode:

the utility model provides a two ship model aquatic relative displacement measuring device which characterized in that: including the telescopic link, locate the first universal joint of telescopic link one end and locating the second universal joint of the telescopic link other end still including locating displacement sensor on the telescopic link, displacement sensor is used for detecting the flexible volume of telescopic link, and locate first angle sensor and second angle sensor on the first universal joint, first angle sensor is used for detecting the rotation angle of first universal joint on the first plane, second angle sensor is used for detecting the rotation angle of first universal joint on the second plane, first plane and second plane mutually perpendicular.

The device can be used for detecting the displacement of two ship models in three directions (X direction, Y direction and Z direction). And further acquiring the position distance relation data which is crucial in the research of the two ships approaching the experiment.

As an embodiment of the present invention, the first universal joint includes a fixing base and a movable base, it can be relative to be equipped with on the fixing base the first pivot of fixing base pivoted, it can be relative to be equipped with on the movable base the second pivot of movable base pivoted, the second pivot perpendicular to the first pivot is arranged, and with first pivot links to each other, the movable base with the telescopic link links to each other.

As a preferred embodiment of the present invention, first angle sensor is located on the fixing base, first angle sensor has a connection the first measuring head of first pivot one end, second angle sensor is located on the sliding seat, second angle sensor has a connection the second measuring head of second pivot one end measures rotation angle through first measuring head, second measuring head.

As a preferred embodiment of the present invention, the first plane is perpendicular to the plane of the first rotating shaft, and the second plane is perpendicular to the plane of the second rotating shaft.

As a preferred embodiment of the present invention, the telescopic rod includes an inner rod and a sleeve, and is located the outer rod on the inner rod, the inner rod can be relative the outer rod carries out the axial and stretches out and draws back, the end of the inner rod is connected first universal joint, the end of outer rod is connected the second universal joint.

As a preferred embodiment of the utility model, displacement sensor includes the barrel and locates measuring stick in the barrel, the measuring stick can be relative the barrel carries out the axial and stretches out and draws back, the barrel is fixed in on the outer pole, the end of measuring stick is connected first universal joint. When the telescopic link is flexible, the measuring stick is synchronous to be flexible relative barrel, realizes the measurement to the flexible volume of telescopic link from this.

More than synthesizing, the utility model discloses a but two boats of relative displacement measuring device automatic measure's displacement position relation in the two boats of model water, can be fine be applied to two boats and be close to in the experimental study.

Drawings

The invention will be further described with reference to the accompanying drawings:

fig. 1 is a side view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a side view in one direction of a first gimbal;

FIG. 4 is a side view of the first gimbal in another orientation;

wherein: 100-telescopic rod, 101-inner rod, 102-outer rod, 110-displacement sensor, 111-cylinder, 112-measuring rod, 200-first universal joint, 210-fixing seat, 211-connecting base, 212-fixing support lug, 213-first rotating shaft, 214-first angle sensor, 215-first measuring head, 216-through hole, 220-movable seat, 221-connecting head, 222-second rotating shaft, 223-second angle sensor, 224-second measuring head, 300-second universal joint, 310-angular steel plate, 400-first ship model and 500-second ship model.

Detailed Description

The invention is further illustrated below by means of specific examples:

as shown in fig. 1 and 2, the underwater relative displacement measuring device for the two-ship model comprises a telescopic rod 100, a first universal joint 200 arranged at one end of the telescopic rod 100, and a second universal joint 300 arranged at the other end of the telescopic rod 100, wherein the first universal joint 200 is used for connecting a first ship model 400, the second universal joint 300 is used for connecting a second ship model 500, the underwater relative displacement measuring device further comprises a displacement sensor 110 arranged on the telescopic rod 100, the displacement sensor 110 is used for detecting the expansion amount of the telescopic rod 100, and a first angle sensor 214 and a second angle sensor 223 arranged on the first universal joint 200, the first angle sensor 214 is used for detecting the rotation angle of the first universal joint 200 on a first plane, the second angle sensor 223 is used for detecting the rotation angle of the first universal joint 200 on a second plane, and the first plane and the second plane are perpendicular to each other.

In use, the first ship model 400 is connected by the first universal joint 200, the second ship model 500 is connected by the second universal joint 300, and then the first ship model 400 and the second ship model 500 are subjected to the approach experiment. The displacement sensor 110 detects the amount of expansion and contraction, the first angle sensor 214 detects the rotation angle on the first plane, and the second angle sensor 223 detects the rotation angle on the second plane. Since the two mutually perpendicular planes can cover three directions (X direction, Y direction and Z direction) in a three-dimensional space, the device can measure the displacement of the two ship models in the three directions (X direction, Y direction and Z direction). The method has the advantages that the vital position displacement relation data in the two-ship approach experiment are obtained, and great help is provided for the two-ship approach experiment research.

The telescopic rod 100 comprises an inner rod 101 and an outer rod 102 sleeved on the inner rod 101, wherein the end of the inner rod 101 is connected with a first universal joint 200, and the end of the outer rod 102 is connected with a second universal joint 300. The inner rod 101 can axially extend and retract relative to the outer rod 102, the relative displacement between the two ship models is converted into the extension and retraction amount of the telescopic rod 100, and the displacement sensor 110 can conveniently conduct subsequent measurement.

The displacement sensor 110 includes a cylinder 111 and a measuring rod 112 disposed in the cylinder 111, the measuring rod 112 can axially extend and retract relative to the cylinder 111, the cylinder 111 is fixed on the outer rod 102, and an end of the measuring rod 112 is connected to the first gimbal 200. When the telescopic rod 100 is extended, the measuring rod 112 is synchronously extended and retracted relative to the cylinder 111, thereby measuring the extension and retraction amount of the telescopic rod 100.

As shown in fig. 3 and 4, the first universal joint 200 includes a fixed mount 210 and a movable mount 220.

The fixing base 210 includes a connecting base 211, two fixing lugs 212 vertically disposed on the connecting base 211 and oppositely disposed, and a first rotating shaft 213 penetrating the two fixing lugs 212, wherein the first rotating shaft 213 can rotate relative to the fixing lugs 212. The first angle sensor 214 is disposed outside one of the fixing lugs 212, and includes a sensor body and a first measuring head 215, and the first measuring head 215 is connected to an axial end of the first rotating shaft 213. The first plane is a plane perpendicular to the first rotating shaft 213, and the first angle sensor 214 can measure a rotation angle of the first rotating shaft 213, that is, a relative rotation angle of the connection base 211 of the first gimbal 200 on the first plane.

The movable base 220 includes a connector 221 connected to the end of the inner rod 101, two fixed lugs 212 vertically disposed on the connector 221 and disposed oppositely, and a second rotating shaft 222 disposed through the two fixed lugs 212, wherein the second rotating shaft 222 can rotate relative to the fixed lugs 212. The second angle sensor 223 is disposed outside one of the fixing lugs 212, and includes a sensor body and a second measuring head 224, and the second measuring head 224 is connected to an axial end of the second rotating shaft 222. The second plane is a plane perpendicular to the second rotating shaft 222, and the second angle sensor 223 can measure the rotation angle of the second rotating shaft 222, that is, the rotation angle of the connection head 221 of the second universal joint 300 on the first plane.

The center of the first rotating shaft 213 has a through hole 216 perpendicular to the axis of the first rotating shaft 213, the second rotating shaft 222 is inserted into the through hole 216, and the first rotating shaft 213 and the second rotating shaft 222 are fixed together by bolts, so that the first rotating shaft 213 and the second rotating shaft 222 are kept perpendicular. And further, the first plane and the second plane are perpendicular to each other, so that the three directions (X direction, Y direction and Z direction) in a three-dimensional space can be covered, and the measurement of three-direction displacement quantity is realized. The fixed base 210 and the movable base 220 connected together by the first rotating shaft 213 and the second rotating shaft 222 can also achieve the effect of universal rotation.

When the first universal joint 200 is installed on the first ship model 400, the side of the first ship model 400 can be connected through the connecting base 211, and the first universal joint 200 can also be vertically placed and connected with the side of the first ship model 400 through the fixing lugs 212.

As shown in fig. 1 and 2, the second gimbal 300 has a structure substantially identical to that of the first gimbal 200, but no angle sensor is mounted on the second gimbal 300. Of course, it is also possible to optionally mount an angle sensor on the second universal joint 300 for the purpose of improving accuracy or achieving more functions. The second universal joint 300 can be connected to the second ship model 500 through an angle steel plate 310.

However, those skilled in the art should realize that the above embodiments are only for illustrative purposes and are not to be used as limitations of the present invention, and that changes and modifications to the above embodiments are intended to fall within the scope of the appended claims, as long as they fall within the true spirit of the present invention.

Claims

1. The utility model provides a two ship model aquatic relative displacement measuring device which characterized in that: including telescopic link (100), locate first universal joint (200) of telescopic link (100) one end and locating second universal joint (300) of telescopic link (100) other end, still including locating displacement sensor (110) on telescopic link (100), displacement sensor (110) are used for detecting the flexible volume of telescopic link (100), and locate first angle sensor (214) and second angle sensor (223) on first universal joint (200), first angle sensor (214) are used for detecting the rotation angle of first universal joint (200) on the first plane, second angle sensor is used for detecting the rotation angle of first universal joint (200) on the second plane, first plane and second plane mutually perpendicular.

2. The apparatus for measuring relative displacement in a water of a two-ship model according to claim 1, wherein: first universal joint (200) includes fixing base (210) and sliding seat (220), it can be relative to be equipped with on fixing base (210) pivoted first pivot (213), it can be relative to be equipped with on sliding seat (220) pivoted second pivot (222), second pivot (222) perpendicular to first pivot (213) are arranged, and with first pivot (213) link to each other, sliding seat (220) with telescopic link (100) link to each other.

3. The apparatus for measuring relative displacement in a two-ship model water according to claim 2, wherein: first angle sensor (214) are located on fixing base (210), first angle sensor (214) have and connect first measuring head (215) of first pivot (213) axial end, second angle sensor (223) are located on sliding seat (220), second angle sensor (223) have and connect second pivot (222) axial end's second measuring head (224).

4. The apparatus for measuring relative displacement in a two-ship model water according to claim 3, wherein: the first plane is a plane perpendicular to the first rotating shaft (213), and the second plane is a plane perpendicular to the second rotating shaft (222).

5. The device for measuring the relative displacement in the water of the two-ship model is characterized in that the first rotating shaft (213) is provided with a through hole (216) which is perpendicular to the axis of the first rotating shaft (213), and the second rotating shaft (222) penetrates into the through hole (216).

6. The device for measuring the relative displacement in the water of the two-ship model according to claim 1, characterized in that: the telescopic rod (100) comprises an inner rod (101) and an outer rod (102) sleeved on the inner rod (101), the inner rod (101) can be opposite to the outer rod (102) to axially extend and retract, the end of the inner rod (101) is connected with the first universal joint (200), and the end of the outer rod (102) is connected with the second universal joint (300).

7. The apparatus for measuring relative displacement in a water of a two-boat form of claim 6, wherein: the displacement sensor (110) comprises a cylinder body (111) and a measuring rod (112) arranged in the cylinder body (111), the measuring rod (112) can axially extend and retract relative to the cylinder body (111), the cylinder body (111) is fixed on the outer rod (102), and the end head of the measuring rod (112) is connected with the first universal joint (200).