CN110316343B - Buoyancy adjusting device - Google Patents

Buoyancy adjusting device Download PDF

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Publication number
CN110316343B
CN110316343B CN201910654223.2A CN201910654223A CN110316343B CN 110316343 B CN110316343 B CN 110316343B CN 201910654223 A CN201910654223 A CN 201910654223A CN 110316343 B CN110316343 B CN 110316343B
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China
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leather bag
cylinder body
inner cavity
buoyancy
piston
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CN110316343A (en
Inventor
张毅
张超飞
郭政
谭健
冯永珺
王茂刚
张玉龙
段梦兰
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Chinese Academy of Geological Sciences
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Chinese Academy of Geological Sciences
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63GOFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G8/00Underwater vessels, e.g. submarines; Equipment specially adapted therefor
    • B63G8/14Control of attitude or depth

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Actuator (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The invention discloses a buoyancy regulating device, which comprises a primary buoyancy regulating system, a secondary buoyancy regulating system, an ultrasonic ranging system and a driving system, wherein the driving system can push a push rod to move back and forth, the push rod can drive a first piston and a second piston to move in a first cylinder body and a second cylinder body, the first piston can push oil in the first cylinder body into a first leather bag, the second piston can push oil in the second cylinder body into a second leather bag through upward movement, the volumes of the first leather bag and the second leather bag are increased due to the entering of the oil, and the drainage volumes of the first leather bag and the second leather bag are increased, so that the buoyancy borne by the whole device is increased.

Description

Buoyancy adjusting device
Technical Field
The invention relates to the technical field of underwater exploration equipment and peripheral matched equipment thereof, in particular to a buoyancy adjusting device.
Background
With the rapid development of marine development, underwater exploration and construction projects will be more frequent and deep. Due to the harsh environment deep in the ocean, many sea-related activities of humans must be accomplished by means of underwater equipment such as a submersible or underwater robot. The underwater equipment is kept in a stable buoyancy state in the operation process, and free floating and submerging can be realized. Currently, underwater buoyancy adjusting devices can be divided into two types, adjustable ballast and variable volume. The adjustable ballast, which cannot be repeatedly buoyancy adjusted for welfare, cannot be regained after the ballast is discarded under water. The buoyancy adjusting range of the adjusting mode is smaller, but the accurate control of the buoyancy is easy to realize, and the adjusting mode is mainly used for small and medium-sized underwater equipment.
The Chinese patent with the application number 201510182161.1 discloses a piston type buoyancy adjusting device which is used for controlling the floating and sinking and controlling the depth of an underwater device, but has a complex structure and high energy consumption. The application number is 201610147200.9's chinese patent, discloses a buoyancy adjusting device, adopts two horizontal pushing boxes to change the holistic volume of system to the buoyancy that control system received, this scheme structure is complicated, needs to carry on external power source, and energy consumption is big, and when the pressure that both sides pushing boxes received was too big, rotatory actuating mechanism upset, leads to pushing boxes inward movement, causes buoyancy regulation unable to reach the requirement, buoyancy regulation control precision is poor.
Therefore, how to change the current situations of complex structure, high energy consumption and poor buoyancy adjustment precision of the underwater buoyancy adjustment system in the prior art becomes a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention aims to provide a buoyancy adjusting device, which solves the problems in the prior art, simplifies the structure of an underwater buoyancy adjusting system and improves the buoyancy adjusting precision.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a buoyancy adjusting device, comprising:
The first-stage buoyancy regulating system comprises a first cylinder body, a first piston and a first leather bag, wherein the first piston is slidably arranged in an inner cavity of the first cylinder body, oil can be contained in the inner cavity of the first cylinder body, the first leather bag is sleeved outside the first cylinder body, the inner cavity of the first cylinder body is communicated with the inner cavity of the first leather bag, and the first leather bag is made of an elastic material;
The second-stage buoyancy adjusting system is arranged at the bottom of the first-stage buoyancy adjusting system and comprises a second cylinder body, a second piston and a second leather bag, wherein the second piston is slidably arranged in the inner cavity of the second cylinder body, oil can be contained in the inner cavity of the second cylinder body, the second cylinder body and the first cylinder body are coaxially arranged, the second leather bag is sleeved outside the second cylinder body, the inner cavity of the second cylinder body is communicated with the inner cavity of the second leather bag, the second leather bag is made of an elastic material, the second piston and the first piston are connected with a push rod, and the push rod penetrates through the first cylinder body, the second cylinder body, the first leather bag and the second leather bag to be connected with the first piston;
The ultrasonic ranging system comprises a single-chip ultrasonic module, wherein the single-chip ultrasonic module is connected with the push rod, the single-chip ultrasonic module can test the displacement of the push rod, and the ultrasonic ranging system is arranged at the top of the primary buoyancy regulating system;
the driving system is in transmission connection with the push rod, the driving system can drive the push rod to move back and forth, and the driving system is arranged at the bottom of the secondary buoyancy regulating system.
Preferably, the primary buoyancy adjusting system comprises a first hose, the first cylinder is communicated with the first leather bag through the first hose, the secondary buoyancy adjusting system comprises a second hose, and the second cylinder is communicated with the second leather bag through the second hose.
Preferably, one end of the first hose is communicated with the top of the inner cavity of the first cylinder, the other end of the first hose is communicated with the bottom of the inner cavity of the first leather bag, one end of the second hose is communicated with the top of the inner cavity of the second cylinder, and the other end of the second hose is communicated with the bottom of the inner cavity of the second leather bag.
Preferably, the ultrasonic ranging system further comprises a top cap and a top cover, the top cap is of a hollow structure, the top cover is in sealing connection with an opening of the top cap, the single chip microcomputer ultrasonic module is arranged in the top cap, the top cap is connected with the first barrel, and sealing treatment is carried out between the first barrel and the top cap.
Preferably, the top cap is of a hemispherical structure, and the top surface of the top cap is of a spherical surface.
Preferably, the driving system comprises a base, a bottom plate and a motor, the motor is in transmission connection with the push rod, the motor is arranged in a cavity surrounded by the base and the bottom plate, the base is detachably connected with the bottom plate, a sealing element is arranged between the base and the bottom plate, and the base is connected with the second cylinder.
Preferably, the motor is connected with the push rod through a coupler and a ball screw.
Preferably, the first leather bag and the second leather bag are hollow ellipsoidal structures.
Compared with the prior art, the invention has the following technical effects: the buoyancy regulating device comprises a first-stage buoyancy regulating system, a second-stage buoyancy regulating system, an ultrasonic ranging system and a driving system, wherein the driving system can push a push rod to move back and forth, the push rod can drive a first piston and a second piston to move in the first cylinder and the second cylinder, the first piston can push oil in the first cylinder into a first leather bag, the second piston can push oil in the second cylinder into a second leather bag through upward movement, the first leather bag and the second leather bag are made of elastic materials, the volume of the first leather bag and the volume of the second leather bag are increased due to the entering of oil, and the drainage volume of the first leather bag and the second leather bag is increased, so that the buoyancy of the whole device is increased.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of a buoyancy adjusting device according to the present invention;
FIG. 2 is a schematic diagram of an ultrasonic ranging system of the buoyancy adjustment device of the present invention;
FIG. 3 is a schematic diagram of a primary buoyancy adjustment system of the buoyancy adjustment device of the present invention;
FIG. 4 is a schematic diagram of a secondary buoyancy adjustment system of the buoyancy adjustment device of the present invention;
FIG. 5 is a schematic view of a portion of the buoyancy adjusting device according to the present invention;
The ultrasonic distance measuring device comprises a ultrasonic distance measuring system 1, a top cover 101, a top cap 102, a single-chip microcomputer ultrasonic module 103, a primary buoyancy adjusting system 2, a first cylinder 201, a first leather bag 202, a first hose 203, a first piston 204, a secondary buoyancy adjusting system 3, a second cylinder 301, a second leather bag 302, a second hose 303, a second piston 304, a driving system 4, a motor 401, a base 402, a base 403 and a push rod 404.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a buoyancy adjusting device, which solves the problems in the prior art, simplifies the structure of an underwater buoyancy adjusting system and improves the buoyancy adjusting precision.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-5, fig. 1 is a schematic diagram of an overall structure of a buoyancy adjusting device according to the present invention, fig. 2 is a schematic diagram of an ultrasonic ranging system of the buoyancy adjusting device according to the present invention, fig. 3 is a schematic diagram of a primary buoyancy adjusting system of the buoyancy adjusting device according to the present invention, fig. 4 is a schematic diagram of a secondary buoyancy adjusting system of the buoyancy adjusting device according to the present invention, and fig. 5 is a schematic diagram of a portion of a buoyancy adjusting device according to the present invention.
The invention provides a buoyancy adjusting device, comprising:
The primary buoyancy regulating system 2 comprises a first cylinder 201, a first piston 204 and a first leather bag 202, wherein the first piston 204 is slidably arranged in an inner cavity of the first cylinder 201, oil can be contained in the inner cavity of the first cylinder 201, the first leather bag 202 is sleeved outside the first cylinder 201, the inner cavity of the first cylinder 201 is communicated with the inner cavity of the first leather bag 202, and the first leather bag 202 is made of elastic materials.
The second-stage buoyancy regulating system 3, the second-stage buoyancy regulating system 3 sets up in the bottom of first-stage buoyancy regulating system 2, including second barrel 301, second piston 304 and second leather bag 302, second piston 304 slidable sets up in the inner chamber of second barrel 301, can hold fluid in the inner chamber of second barrel 301, second barrel 301 and the coaxial setting of first barrel 201, second leather bag 302 suit is in the outside of second barrel 301, the inner chamber of second barrel 301 is linked together with the inner chamber of second leather bag 302, second leather bag 302 is made by elastic material, second piston 304 and first piston 204 are connected with push rod 404, push rod 404 passes first barrel 201, second barrel 301, first leather bag 202 and second leather bag 302 links to each other with first piston 204. The push rod 404 is coaxially arranged with the first cylinder 201 and the second cylinder 301, so that uneven stress of the first piston 204 and the second piston 304 in the movement process of the push rod 404 is avoided, and the overall stability of the device is improved.
The ultrasonic ranging system 1 comprises a single-chip microcomputer ultrasonic module 103, the single-chip microcomputer ultrasonic module 103 is connected with a push rod 404, the single-chip microcomputer ultrasonic module 103 can test the displacement of the push rod 404, and the ultrasonic ranging system 1 is arranged at the top of the primary buoyancy adjusting system 2.
The driving system 4 is in transmission connection with the push rod 404, the driving system 4 can drive the push rod 404 to move back and forth, and the driving system 4 is arranged at the bottom of the secondary buoyancy regulating system 3.
The buoyancy regulating device comprises a first-stage buoyancy regulating system 2, a second-stage buoyancy regulating system 3, an ultrasonic ranging system 1 and a driving system 4, wherein the driving system 4 can push a push rod 404 to move back and forth, the push rod 404 can drive a first piston 204 and a second piston 304 to move in a first cylinder 201 and a second cylinder 301, the first piston 204 can push oil in the first cylinder 201 into a first leather bag 202 through upward movement, the second piston 304 can push oil in the second cylinder 301 into a second leather bag 302 through upward movement, the first leather bag 202 and the second leather bag 302 are made of elastic materials, the volume of the first leather bag 202 and the volume of the second leather bag 302 are increased due to the entry of oil, the drainage volume of the first leather bag 202 and the drainage volume of the second leather bag 302 are increased, so that the buoyancy born by the whole device is increased, when the buoyancy born by the device is greater than gravity, the device floats up to a specified detection depth, when the buoyancy born by the device is equal to gravity, the device floats at the specified detection depth, and underwater equipment is convenient to complete operation. The buoyancy adjusting device is simple in structure, improves the energy utilization efficiency, can accurately calculate the buoyancy of the device by using the ultrasonic ranging system 1 through the measured displacement of the push rod 404, improves the buoyancy adjusting precision, and simultaneously uses oil liquid as a working medium, the first leather bag 202 and the second leather bag 302 separate water from moving parts, so that the moving parts are prevented from being corroded, the service life of the device is prolonged, and the buoyancy adjusting range is enlarged by arranging the primary buoyancy adjusting system 2 and the secondary buoyancy adjusting system 3.
Wherein, the first-stage buoyancy regulating system 2 includes a first hose 203, the first cylinder 201 is communicated with the first leather bag 202 through the first hose 203, the second-stage buoyancy regulating system 3 includes a second hose 303, the second cylinder 301 is communicated with the second leather bag 302 through the second hose 303, the inner cavity of the first cylinder 201 is communicated with the first leather bag 202 through the first hose 203, the inner cavity of the second cylinder 301 is communicated with the second leather bag 302 through the second hose 303, and the first hose 203 and the second hose 303 provide a movement path for oil to enter and exit the first cylinder 201 and the second cylinder 301.
In this embodiment, one end of the first hose 203 is connected to the top of the inner cavity of the first cylinder 201, the other end of the first hose 203 is connected to the bottom of the inner cavity of the first bellows 202, when the oil is discharged from the inner cavity of the first cylinder 201 into the inner cavity of the first bellows 202, the oil enters the bottom of the first bellows 202, the oil is prevented from flowing back into the first cylinder 201, one end of the second hose 303 is connected to the top of the inner cavity of the second cylinder 301, the other end of the second hose 303 is connected to the bottom of the inner cavity of the second bellows 302, and when the oil is discharged from the inner cavity of the second cylinder 301 into the inner cavity of the second bellows 302, the oil enters the bottom of the second bellows 302, and the oil is prevented from flowing back into the second cylinder 301.
Specifically, the ultrasonic ranging system 1 further comprises a top cap 102 and a top cover 101, the top cap 102 is of a hollow structure, an installation space is provided for the single-chip microcomputer ultrasonic module 103, the top cover 101 is in sealing connection with an opening of the top cap 102, the single-chip microcomputer ultrasonic module 103 is arranged in the top cap 102, the top cap 102 is connected with the first barrel 201, and sealing treatment is carried out between the first barrel 201 and the top cap 102. It should be noted that, the single-chip microcomputer ultrasonic module 103 can test the displacement of the push rod 404, and the invention does not relate to new improvement made by the ultrasonic ranging technology, so the specific structural composition of the single-chip microcomputer ultrasonic module 103 is not repeated here.
In addition, the top cap 102 is of a hemispherical structure, the top surface of the top cap 101 is of a spherical surface, and the top cap 102 and the top cap 101 with the spherical surface of the hemispherical structure reduce the blocking force in the whole floating and sinking processes of the device, reduce the energy consumption of the device and save energy.
More specifically, the driving system 4 comprises a base 402, a bottom plate 403 and a motor 401, the motor 401 is in transmission connection with the push rod 404, the motor 401 is arranged in a cavity surrounded by the base 402 and the bottom plate 403, the base 402 is detachably connected with the bottom plate 403, a sealing element is arranged between the base 402 and the bottom plate 403, the base 402 is connected with the second cylinder 301, the motor 401 is adopted to drive the push rod 404 to move, the motor 401 is arranged in a space surrounded by the base 402 and the bottom plate 403, and the base 402 is detachably connected with the bottom plate 403, so that the disassembly, the assembly and the maintenance are convenient.
Further, the motor 401 is connected with the push rod 404 through a coupling and a ball screw, the motor 401 converts the rotary motion into the up-and-down motion of the push rod 404 through the coupling and the ball screw, and then the push rod 404 drives the first piston 204 and the second piston 304 to move back and forth.
Further, the first bladder 202 and the second bladder 302 are hollow ellipsoidal structures, which reduces the resistance of the device during the entire floating and sinking process.
The buoyancy regulating device comprises a first-stage buoyancy regulating system 2, a second-stage buoyancy regulating system 3, an ultrasonic ranging system 1 and a driving system 4, wherein the driving system 4 can push a push rod 404 to move back and forth, the push rod 404 can drive a first piston 204 and a second piston 304 to move in a first cylinder 201 and a second cylinder 301, the first piston 204 moves upwards to push oil in the first cylinder 201 into a first leather bag 202, the second piston 304 moves upwards to push oil in the second cylinder 301 into a second leather bag 302, the first leather bag 202 and the second leather bag 302 are made of elastic materials, the volumes of the first leather bag 202 and the second leather bag 302 are increased due to the entering of oil, and the drainage volumes of the first leather bag 202 and the second leather bag 302 are increased, so that the buoyancy of the whole device is increased.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.

Claims (5)

1. A buoyancy adjustment device, comprising:
The first-stage buoyancy regulating system comprises a first cylinder body, a first piston and a first leather bag, wherein the first piston is slidably arranged in an inner cavity of the first cylinder body, oil can be contained in the inner cavity of the first cylinder body, the first leather bag is sleeved outside the first cylinder body, the inner cavity of the first cylinder body is communicated with the inner cavity of the first leather bag, and the first leather bag is made of an elastic material; the primary buoyancy regulating system comprises a first hose, and the first cylinder is communicated with the first leather bag through the first hose;
The second-stage buoyancy adjusting system is arranged at the bottom of the first-stage buoyancy adjusting system and comprises a second cylinder body, a second piston and a second leather bag, wherein the second piston is slidably arranged in the inner cavity of the second cylinder body, oil can be contained in the inner cavity of the second cylinder body, the second cylinder body and the first cylinder body are coaxially arranged, the second leather bag is sleeved outside the second cylinder body, the inner cavity of the second cylinder body is communicated with the inner cavity of the second leather bag, the second leather bag is made of an elastic material, the second piston and the first piston are connected with a push rod, and the push rod penetrates through the first cylinder body, the second cylinder body, the first leather bag and the second leather bag to be connected with the first piston; the secondary buoyancy regulating system comprises a second hose, and the second cylinder is communicated with the second leather bag through the second hose; one end of the first hose is communicated with the top of the inner cavity of the first cylinder, the other end of the first hose is communicated with the bottom of the inner cavity of the first leather bag, one end of the second hose is communicated with the top of the inner cavity of the second cylinder, and the other end of the second hose is communicated with the bottom of the inner cavity of the second leather bag;
The ultrasonic ranging system comprises a single-chip ultrasonic module, a top cap and a top cover, wherein the single-chip ultrasonic module is connected with the push rod, the single-chip ultrasonic module can test the displacement of the push rod, and the ultrasonic ranging system is arranged at the top of the primary buoyancy regulating system; the top cap is of a hollow structure, the top cover is in sealing connection with an opening of the top cap, the single chip microcomputer ultrasonic module is arranged in the top cap, the top cap is connected with the first barrel, and sealing treatment is carried out between the first barrel and the top cap;
the driving system is in transmission connection with the push rod, the driving system can drive the push rod to move back and forth, and the driving system is arranged at the bottom of the secondary buoyancy regulating system.
2. The buoyancy adjustment device according to claim 1 wherein: the top cap is of a hemispherical structure, and the top surface of the top cap is of a spherical surface.
3. The buoyancy adjustment device according to claim 1 wherein: the driving system comprises a base, a bottom plate and a motor, wherein the motor is in transmission connection with the push rod, the motor is arranged in a cavity surrounded by the base and the bottom plate, the base is detachably connected with the bottom plate, a sealing element is arranged between the base and the bottom plate, and the base is connected with the second cylinder.
4. A buoyancy adjustment device according to claim 3 wherein: the motor is connected with the push rod through a coupler and a ball screw.
5. The buoyancy adjustment device according to any one of claims 1-4 wherein: the first leather bag and the second leather bag are hollow ellipsoidal structures.
CN201910654223.2A 2019-07-19 2019-07-19 Buoyancy adjusting device Active CN110316343B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114455040B (en) * 2022-02-10 2023-04-21 江苏科技大学 Multi-working-condition buoyancy adjusting device and adjusting method
CN115979696B (en) * 2023-03-17 2023-09-26 天津大学 Operation simulation system of automatic lifting device

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CN102030088A (en) * 2009-09-30 2011-04-27 中国船舶重工集团公司第七一○研究所 Piston type buoyancy adjusting mechanism of underwater lifting platform
CN104828222A (en) * 2015-04-16 2015-08-12 浙江大学 Piston-type buoyancy adjusting device
CN106081025A (en) * 2016-06-03 2016-11-09 北京理工大学 A kind of UAV navigation using multi-level piston to carry out buoyancy adjustment
CN107963194A (en) * 2016-10-20 2018-04-27 北京精密机电控制设备研究所 A kind of complete electric buoyancy regulating device
CN108163164A (en) * 2017-12-19 2018-06-15 海南大学 A kind of submarine navigation device based on Maxwell effect
CN208442104U (en) * 2018-05-11 2019-01-29 常州市天速电机有限公司 A kind of times strength cylinder
CN210212729U (en) * 2019-07-19 2020-03-31 中国地质科学院 Buoyancy adjusting device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102030088A (en) * 2009-09-30 2011-04-27 中国船舶重工集团公司第七一○研究所 Piston type buoyancy adjusting mechanism of underwater lifting platform
CN104828222A (en) * 2015-04-16 2015-08-12 浙江大学 Piston-type buoyancy adjusting device
CN106081025A (en) * 2016-06-03 2016-11-09 北京理工大学 A kind of UAV navigation using multi-level piston to carry out buoyancy adjustment
CN107963194A (en) * 2016-10-20 2018-04-27 北京精密机电控制设备研究所 A kind of complete electric buoyancy regulating device
CN108163164A (en) * 2017-12-19 2018-06-15 海南大学 A kind of submarine navigation device based on Maxwell effect
CN208442104U (en) * 2018-05-11 2019-01-29 常州市天速电机有限公司 A kind of times strength cylinder
CN210212729U (en) * 2019-07-19 2020-03-31 中国地质科学院 Buoyancy adjusting device

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