CN111846143A - Three-dimensional attitude measuring device of hull raft frame - Google Patents
Three-dimensional attitude measuring device of hull raft frame Download PDFInfo
- Publication number
- CN111846143A CN111846143A CN202010801798.5A CN202010801798A CN111846143A CN 111846143 A CN111846143 A CN 111846143A CN 202010801798 A CN202010801798 A CN 202010801798A CN 111846143 A CN111846143 A CN 111846143A
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- China
- Prior art keywords
- bowl
- fixed
- bag body
- cylindrical shell
- lower panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 50
- 239000002775 capsule Substances 0.000 claims abstract description 13
- 238000005259 measurement Methods 0.000 claims description 23
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B79/00—Monitoring properties or operating parameters of vessels in operation
- B63B79/10—Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
Abstract
The invention discloses a three-dimensional attitude measuring device of a raft frame of a ship body, which comprises: the device comprises a cylindrical shell, a laser displacement sensor, a bowl-shaped capsule, a lower panel, a position sensitive sensor, an upper cover plate and an electric connector; the upper cover plate is fixed at one end of the cylindrical shell and is rigidly connected with the lower surface of the raft frame; the laser displacement sensor is fixed in the cylindrical shell to measure the displacement of the raft frame in the vertical direction; the opening end of the bowl-shaped bag body is fixedly connected with the other end of the cylindrical shell, the bowl-shaped bag body is a rubber bag body, the bottom of the bowl-shaped bag body is fixed on the lower panel, the lower panel is fixed on the hull base, and the bottom of the bowl-shaped bag body is provided with an opening; the position sensitive sensor is positioned at the bottom opening of the bowl-shaped bag body and fixed on the lower panel, and the position sensitive sensor measures the displacement of the raft frame in the horizontal direction.
Description
Technical Field
The invention relates to the technical field of hulls, in particular to a three-dimensional attitude measuring device of a raft frame of a hull and the hull.
Background
Through implementing automatic gassing control of filling to the gasbag shock absorber, can realize the automatic adjustment to raft frame gesture to ensure gasbag rated working height, make its best vibration isolation effect of exerting.
Displacement sensor is used for measuring raft frame three-dimensional gesture, and traditional displacement measurement scheme need arrange displacement sensor in three directions in space (vertical, horizontal, vertical) and in a plurality of positions of every direction, occupies more hull space, and the installation is loaded down with trivial details, and in addition, displacement sensor is more accurate, easily receives on-the-spot adverse circumstances ground to disturb and destroys, can't guarantee measurement accuracy for a long time.
Disclosure of Invention
The application provides a three-dimensional attitude measurement device of hull raft frame has solved among the prior art that measurement scheme occupies more hull space, and can't guarantee measurement accuracy's technical problem for a long time.
The application provides a three-dimensional attitude measurement device of hull raft frame, measuring device includes: the device comprises a cylindrical shell, a laser displacement sensor, a bowl-shaped capsule, a lower panel, a position sensitive sensor, an upper cover plate and an electric connector;
the upper cover plate is fixed at one end of the cylindrical shell and is rigidly connected with the lower surface of the raft frame;
the laser displacement sensor is fixed in the cylindrical shell to measure the displacement of the raft frame in the vertical direction;
the opening end of the bowl-shaped bag body is fixedly connected with the other end of the cylindrical shell, the bowl-shaped bag body is a rubber bag body, the bottom of the bowl-shaped bag body is fixed on the lower panel, the lower panel is fixed on the hull base, and the bottom of the bowl-shaped bag body is provided with an opening;
the position sensitive sensor is positioned at the bottom opening of the bowl-shaped bag body and is fixed on the lower panel, and the position sensitive sensor measures the displacement of the raft frame in the horizontal direction;
the electric connector is fixed on the cylindrical shell and is electrically connected with the laser displacement sensor and the position sensitive sensor.
Preferably, a fixing plate is arranged in the cylindrical shell, a clamp is fixed on the fixing plate, and the laser displacement sensor is fixed in the clamp.
Preferably, the laser displacement sensor is fixed to a middle portion of the cylindrical housing.
Preferably, the open end of the bowl-shaped capsule body is fixed on the cylindrical shell through a fixing piece.
Preferably, the fixing member is a pan head screw.
Preferably, the bottom of the bowl-shaped capsule body is fixed on the lower panel through a fixing piece.
Preferably, the fixing member is a pan head screw.
Preferably, the electrical connector is mounted at one end of the cylindrical housing adjacent to the raft frame.
The beneficial effect of this application is as follows:
be fixed in tubular shell's one end through the upper cover plate, bowl form utricule fixed connection tubular shell's the other end, bowl form utricule's bottom is fixed on the panel down, in order to form an enclosure space, laser displacement sensor and position sensitive sensor are located this enclosure space, thereby realize that this hull raft frame's three-dimensional attitude measuring device can realize raft frame's three-dimensional gesture and detect, and still avoid laser displacement sensor and position sensitive sensor and external interface, prevent the liquid inflow, the heavy object is strikeed and is artificially trampled, thereby protect laser displacement sensor and position sensitive sensor, can reach and guarantee measurement accuracy for a long time, it occupies more hull space to have solved among the prior art measurement scheme, and can't guarantee measurement accuracy's technical problem for a long time.
Further, bowl form utricule is the rubber utricule, and the tube-shape casing passes through bowl form utricule with lower panel and is connected, can prevent to produce the sound short circuit between raft frame and the base, prevents promptly that the vibration that raft frame produced from transmitting the base, can protect laser displacement sensor and position sensitive sensor's probe to avoid external influence or damage again.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a cross-sectional view of a three-dimensional attitude measurement device of a catamaran hull raft provided by the present application;
FIG. 2 is a cross-sectional view taken along line A-A of the measuring device of FIG. 1;
fig. 3 is a cross-sectional view of the measuring device in fig. 1 in the direction B-B.
Detailed Description
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
In order to solve among the prior art measurement scheme and occupy more hull space, and can't guarantee measurement accuracy's technical problem for a long time, this application provides a three-dimensional attitude measurement device of hull raft frame.
As shown in fig. 1, 2 and 3, the three-way attitude measurement device of a catamaran comprises: the device comprises a cylindrical shell 1, a laser displacement sensor 2, a bowl-shaped capsule body 5, a lower panel 6, a position sensitive sensor 7, an upper cover plate 8 and an electric connector 9.
The laser displacement sensor 2 is fixed to the middle of the cylindrical housing 1. Specifically, in the present embodiment, a fixing plate 11 is provided in the cylindrical case 1, the jig 3 is fixed to the fixing plate 11, and the laser displacement sensor 2 is fixed in the jig 3. In other embodiments, the laser displacement sensor 2 may be fixed in other ways.
The Laser displacement sensor 2 is a sensor that measures by using a Laser technique, and is called a Laser displacement sensor. The laser displacement sensor 2 is composed of a laser, a laser detector and a measuring circuit. The laser sensor is a novel measuring instrument. The device can accurately measure the changes of the position, the displacement and the like of a measured object in a non-contact manner, and is mainly applied to the measurement of geometric quantities of the measured object, such as the displacement, the thickness, the vibration, the distance, the diameter and the like.
The upper cover plate 8 is arranged at one end of the cylindrical shell 1, specifically, in the present embodiment, one end of the cylindrical shell 1 is rigidly and fixedly connected with the lower surface of the raft frame, the upper cover plate 8 is located between the cylindrical shell 1 and the raft frame, and the fixing member is fixed on the cylindrical shell 1 after passing through the raft frame and the upper cover plate 8 so as to fix the measuring device on the raft frame. Then, laser displacement sensor 2 is fixed in tube-shape casing 1, and this kind of connected mode can make laser displacement sensor 2 and raft frame produce the same displacement change, ensures the position of raft frame in the vertical direction that can accurate measurement, promptly, laser displacement sensor 2 measures raft frame and puts up the displacement in vertical direction.
The opening end of the bowl-shaped capsule body 5 is fixedly connected with the other end of the cylindrical shell 1. In particular, the bowl-shaped body 5 is a rubber-like body, i.e. the bowl-shaped body 5 is made of a rubber material. Specifically, the open end of the bowl-shaped capsule 5 is fixed to the cylindrical housing 1 by a fixing member, which may be a pan head screw 4.
The bottom of the bowl-shaped capsule body 5 is fixed on a lower panel 6, and the lower panel 6 is fixed on a ship body base. In particular, the bottom of the bowl-shaped capsule 5 is fixed to the lower panel 6 by fixing means, in particular pan head screws 4. An opening is arranged at the bottom of the bowl-shaped capsule body 5, and the position sensitive sensor 7 is positioned at the opening at the bottom of the bowl-shaped capsule body 5 and is fixed on the lower panel 6.
The position sensitive sensor 7 measures the displacement of the raft in the horizontal direction, i.e. including the displacement in the lateral direction, and also the distance in the longitudinal direction. The Position Sensitive sensor 7 is a photoelectronic device based on a transverse photoelectric effect, and is called a Position Sensitive Detector (PSD) for short in english.
The electric connector 9 is fixed on the cylindrical shell 1 and is connected with the laser displacement sensor 2 and the position sensitive sensor 7. The signals detected by the laser displacement sensor 2 and the position sensitive sensor 7 are sent to the data acquisition device through the electric connector 9. Specifically, the electrical connector 9 is mounted at one end of the cylindrical housing 1 near the raft.
During the assembly, laser displacement sensor 2 gets into tubular housing 1 inside from upper cover plate 8, fixes laser displacement sensor 2 at tubular housing 1 through anchor clamps 3, and position sensitive sensor 7 is installed at panel 6 upper surface down, and tubular housing 1 is connected with bowl form utricule 8 through pan head screw 4 with lower panel 9.
Be fixed in tubular housing 1's one end through upper cover plate 8, bowl form utricule 8 fixed connection tubular housing 1's the other end, bowl form utricule 8's bottom is fixed on panel 6 down, in order to form an enclosure space, laser displacement sensor 2 and position sensitive sensor 7 are located this enclosure space, thereby make the three-dimensional gesture measuring device of this hull raft frame can realize the three-dimensional gesture detection of raft frame, and still avoid laser displacement sensor 2 and position sensitive sensor 7 and external contact, prevent the liquid inflow, the heavy object is strikeed and is artificially trampled, thereby protect laser displacement sensor 2 and position sensitive sensor 7, can reach long-time assurance measurement accuracy, it occupies more hull space to have solved measurement scheme among the prior art, and can't guarantee measurement accuracy's technical problem for a long time.
Further, bowl form utricule 5 is the rubber utricule, and tube-shape casing 1 is connected through bowl form utricule 8 with lower panel 9, can prevent to produce the sound short circuit between raft frame and the base, prevents promptly that the vibration that raft frame produced from transmitting the base, can protect laser displacement sensor 2 and position sensitive sensor 7's probe again to avoid external influence or damage, and the measuring device structural design of this application is compact, and installation and dismantlement maneuverability are strong, is convenient for inspection maintenance and change.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. A three-dimensional attitude measurement device for a hull raft, the measurement device comprising: the device comprises a cylindrical shell, a laser displacement sensor, a bowl-shaped capsule, a lower panel, a position sensitive sensor, an upper cover plate and an electric connector;
the upper cover plate is fixed at one end of the cylindrical shell and is rigidly connected with the lower surface of the raft frame;
the laser displacement sensor is fixed in the cylindrical shell to measure the displacement of the raft frame in the vertical direction;
the opening end of the bowl-shaped bag body is fixedly connected with the other end of the cylindrical shell, the bowl-shaped bag body is a rubber bag body, the bottom of the bowl-shaped bag body is fixed on the lower panel, the lower panel is fixed on the hull base, and the bottom of the bowl-shaped bag body is provided with an opening;
the position sensitive sensor is positioned at the bottom opening of the bowl-shaped bag body and is fixed on the lower panel, and the position sensitive sensor measures the displacement of the raft frame in the horizontal direction;
the electric connector is fixed on the cylindrical shell and is electrically connected with the laser displacement sensor and the position sensitive sensor.
2. The measuring device of claim 1, wherein a fixing plate is disposed in the cylindrical housing, a clamp is fixed on the fixing plate, and the laser displacement sensor is fixed in the clamp.
3. The measuring device of claim 1, wherein the laser displacement sensor is fixed to a middle portion of the cylindrical housing.
4. A measuring device according to claim 1, wherein the open end of the bowl-like capsule is secured to the cylindrical housing by fasteners.
5. A measuring device according to claim 4, wherein the fixing member is a pan head screw.
6. A measuring device according to claim 1, wherein the bottom of the bowl-like bladder is secured to the lower panel by fasteners.
7. The measurement device of claim 6, wherein the fixture is a pan head screw.
8. A measurement device as claimed in claim 1, in which the electrical connector is mounted at an end of the cylindrical housing adjacent the raft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010801798.5A CN111846143A (en) | 2020-08-11 | 2020-08-11 | Three-dimensional attitude measuring device of hull raft frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010801798.5A CN111846143A (en) | 2020-08-11 | 2020-08-11 | Three-dimensional attitude measuring device of hull raft frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111846143A true CN111846143A (en) | 2020-10-30 |
Family
ID=72971284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010801798.5A Pending CN111846143A (en) | 2020-08-11 | 2020-08-11 | Three-dimensional attitude measuring device of hull raft frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111846143A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115092342A (en) * | 2022-07-04 | 2022-09-23 | 河南省北纬勘测设计有限公司 | Underwater terrain measuring device and method |
| CN116358485A (en) * | 2023-06-01 | 2023-06-30 | 通达电磁能股份有限公司 | Ship body attitude dynamic monitoring sensor and installation and use method thereof |
-
2020
- 2020-08-11 CN CN202010801798.5A patent/CN111846143A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115092342A (en) * | 2022-07-04 | 2022-09-23 | 河南省北纬勘测设计有限公司 | Underwater terrain measuring device and method |
| CN115092342B (en) * | 2022-07-04 | 2024-03-08 | 河南省北纬勘测设计有限公司 | Underwater topography measurement device and method |
| CN116358485A (en) * | 2023-06-01 | 2023-06-30 | 通达电磁能股份有限公司 | Ship body attitude dynamic monitoring sensor and installation and use method thereof |
| CN116358485B (en) * | 2023-06-01 | 2023-08-25 | 通达电磁能股份有限公司 | Ship body attitude dynamic monitoring sensor and installation and use method thereof |
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