CN210212729U - Buoyancy adjusting device - Google Patents

Buoyancy adjusting device Download PDF

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Publication number
CN210212729U
CN210212729U CN201921138394.1U CN201921138394U CN210212729U CN 210212729 U CN210212729 U CN 210212729U CN 201921138394 U CN201921138394 U CN 201921138394U CN 210212729 U CN210212729 U CN 210212729U
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China
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leather bag
cylinder
buoyancy
inner cavity
push rod
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CN201921138394.1U
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Chinese (zh)
Inventor
Yi Zhang
张毅
Chaofei Zhang
张超飞
Zheng Guo
郭政
Jian Tan
谭健
Yongjun Feng
冯永珺
Maogang Wang
王茂刚
Yulong Zhang
张玉龙
Menglan Duan
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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Abstract

The utility model discloses a buoyancy adjusting device, which comprises a first-stage buoyancy adjusting system, a second-stage buoyancy adjusting 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 barrel and a second barrel, the first piston moves upwards to push oil in the first barrel into a first leather bag, the second piston moves upwards to push oil in the second barrel into a second leather bag, the first leather bag and the second leather bag are increased in size due to the entering of the oil, the drainage volumes of the first leather bag and the second leather bag are increased, so that the overall buoyancy of the device is increased, the buoyancy adjusting device of the utility model has simple structure, the energy utilization efficiency is improved, the ultrasonic ranging system can accurately calculate the buoyancy of the device through the measured displacement of the push rod, the buoyancy adjusting precision is improved, a first-stage buoyancy adjusting system and a second-stage buoyancy adjusting system are arranged, and the buoyancy adjusting range is enlarged.

Description

Buoyancy adjusting device
Technical Field
The utility model relates to an underwater exploration equipment and peripheral corollary equipment technical field especially relate to a buoyancy adjusting device.
Background
With the rapid development of marine development industry, underwater exploration and construction projects are more and more frequent and deeper. Due to the harsh environment deep in the ocean, many sea-going activities of humans must be accomplished by means of underwater equipment such as submersibles or underwater robots. The underwater equipment is required to keep a stable buoyancy state in the operation process, and meanwhile, free floating and submerging can be achieved. At present, underwater buoyancy regulating equipment can be divided into a pressure-adjustable load type and a variable volume type. The ballast adjustable type cannot adjust buoyancy repeatedly for welfare, and ballast cannot be obtained again when ballast is abandoned underwater. The variable volume type buoyancy adjusting device has a small buoyancy adjusting range, is easy to realize accurate buoyancy control, and is mainly used for medium and small underwater equipment.
The chinese patent with application number 201510182161.1 discloses a piston type buoyancy adjusting device for controlling the floating and sinking and depth setting of an underwater device, but the structure is complex and the energy consumption is large. The application number is 201610147200.9's chinese patent, discloses a buoyancy adjusting device, adopts horizontal two to push away the holistic volume of case change system to the buoyancy that control system received, this scheme structure is complicated, need carry on external power source, and energy consumption is big, and when the pressure that both sides pushed away the case and received was too big, the upset of rotary drive mechanism led to pushing away the case inward movement, causes the buoyancy to adjust and can't reach the requirement, and buoyancy adjustment control accuracy is poor.
Therefore, how to change the current situation that the underwater buoyancy adjusting system in the prior art is complex in structure, high in energy consumption and poor in buoyancy adjusting accuracy becomes a problem to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a buoyancy adjusting device to solve the problem that above-mentioned prior art exists, simplified buoyancy governing system's structure under water, improved buoyancy regulation precision.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a buoyancy adjusting device, include:
the first-stage buoyancy regulating system comprises a first cylinder, a first piston and a first leather bag, wherein the first piston is slidably arranged in an inner cavity of the first cylinder, oil can be contained in the inner cavity of the first cylinder, the first leather bag is sleeved outside the first cylinder, the inner cavity of the first cylinder is communicated with the inner cavity of the first leather bag, and the first leather bag is made of elastic materials;
the second-stage buoyancy adjusting system is arranged at the bottom of the first-stage buoyancy adjusting system and comprises a second cylinder, a second piston and a second leather bag, the second piston is slidably arranged in an inner cavity of the second cylinder, oil can be contained in the inner cavity of the second cylinder, the second cylinder and the first cylinder are coaxially arranged, the second leather bag is sleeved outside the second cylinder, the inner cavity of the second cylinder is communicated with the inner cavity of the second leather bag, the second leather bag is made of elastic materials, the second piston and the first piston are connected with a push rod, and the push rod penetrates through the first cylinder, the second cylinder, the first leather bag and the second leather bag to be connected with the first piston;
the ultrasonic ranging system comprises a single-chip microcomputer ultrasonic module, the single-chip microcomputer ultrasonic module is connected with the push rod and can test the displacement of the push rod, and the ultrasonic ranging system is arranged at the top of the primary buoyancy regulating system;
and the driving system is in transmission connection with the push rod and 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 regulating system comprises a first hose, the first cylinder is communicated with the first leather bag through the first hose, the secondary buoyancy regulating 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 hermetically connected with an opening of the top cap, the single-chip microcomputer ultrasonic module is arranged inside the top cap, the top cap is connected with the first barrel, and the first barrel and the top cap are subjected to sealing treatment.
Preferably, the top cap is a hemispherical structure, and the top surface of the top cap is 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 enclosed 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 barrel.
Preferably, the motor is connected with the push rod through a coupler and a ball screw.
Preferably, the first and second capsules are both hollow ellipsoidal structures.
The utility model discloses for prior art gain following technological effect: the utility model discloses a buoyancy adjusting device, including first-level buoyancy governing system, second grade buoyancy governing system, ultrasonic ranging system and actuating system, actuating system can promote the push rod back and forth movement, the push rod can drive first piston and second piston at first barrel and second barrel internal motion, the first piston upward movement can push the fluid in the first barrel into first leather bag, likewise, the second piston upward movement can push the fluid in the second barrel into the second leather bag, first leather bag and second leather bag are made by elastic material, first leather bag and second leather bag increase in size because of the entering of fluid, the drainage volume of first leather bag and second leather bag increases, make the buoyancy that the device wholly received increase, the utility model discloses a buoyancy adjusting device simple structure has improved energy utilization efficiency, utilizes ultrasonic ranging system through the displacement of the push rod that measures, the buoyancy that can accurate calculation device received improves buoyancy adjustment accuracy, simultaneously, uses fluid as working medium, and first leather bag and second leather bag separate water and moving part, avoid the moving part to be corroded, extension device life sets up one-level buoyancy governing system and second grade buoyancy governing system, increase buoyancy control range.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in 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, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic view of the overall structure of the buoyancy adjusting device of the present invention;
fig. 2 is a schematic view of an ultrasonic ranging system of the buoyancy adjusting device of the present invention;
FIG. 3 is a schematic view of a primary buoyancy regulating system of the buoyancy regulating device of the present invention;
FIG. 4 is a schematic view of a secondary buoyancy regulating system of the buoyancy regulating device of the present invention;
FIG. 5 is a schematic view of a portion of the buoyancy adjusting device of the present invention;
wherein, 1 is ultrasonic ranging system, 101 is the top cap, 102 is the hood, 103 is singlechip ultrasonic wave module, 2 is one-level buoyancy governing system, 201 is first barrel, 202 is first leather bag, 203 is first hose, 204 is first piston, 3 is second grade buoyancy governing system, 301 is the second barrel, 302 is the second leather bag, 303 is the second hose, 304 is the second piston, 4 is actuating system, 401 is the motor, 402 is the base, 403 is the bottom plate, 404 is the push rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a buoyancy adjusting device to solve the problem that above-mentioned prior art exists, simplified buoyancy governing system's structure under water, improved buoyancy regulation precision.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Please refer to fig. 1-5, wherein, fig. 1 is the overall structure schematic diagram of the buoyancy adjusting device of the present invention, fig. 2 is the schematic diagram of the ultrasonic ranging system of the buoyancy adjusting device of the present invention, fig. 3 is the schematic diagram of the one-level buoyancy adjusting system of the buoyancy adjusting device of the present invention, fig. 4 is the schematic diagram of the two-level buoyancy adjusting system of the buoyancy adjusting device of the present invention, and fig. 5 is the partial structure schematic diagram of the buoyancy adjusting device of the present invention.
The utility model provides a buoyancy adjusting device, include:
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 adjusting system 3 is arranged at the bottom of the first-stage buoyancy adjusting system 2 and comprises a second cylinder 301, a second piston 304 and a second leather bag 302, the second piston 304 is slidably arranged in an inner cavity of the second cylinder 301, oil can be contained in the inner cavity of the second cylinder 301, the second cylinder 301 and the first cylinder 201 are coaxially arranged, the second leather bag 302 is sleeved outside the second cylinder 301, the inner cavity of the second cylinder 301 is communicated with the inner cavity of the second leather bag 302, the second leather bag 302 is made of an elastic material, the second piston 304 and the first piston 204 are connected with a push rod 404, and the push rod 404 penetrates through the first cylinder 201, the second cylinder 301, the first leather bag 202 and the second leather bag 302 to be connected with the first piston 204. The push rod 404, the first cylinder 201 and the second cylinder 301 are coaxially arranged, uneven stress on 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.
Ultrasonic ranging system 1, including singlechip ultrasonic wave module 103, singlechip ultrasonic wave module 103 links to each other with push rod 404, and singlechip ultrasonic wave module 103 can test the displacement of push rod 404, and ultrasonic ranging system 1 sets up in the top of one-level buoyancy governing system 2.
And 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 utility model discloses a buoyancy adjusting device, including one-level buoyancy governing system 2, second grade buoyancy governing system 3, ultrasonic ranging system 1 and actuating system 4, actuating system 4 can promote push rod 404 back and forth movement, push rod 404 can drive first piston 204 and second piston 304 and move in first barrel 201 and second barrel 301, first piston 204 upward movement can push the fluid in first barrel 201 into first leather bag 202, the same way, second piston 304 upward movement can push the fluid in second barrel 301 into second leather bag 302, first leather bag 202 and second leather bag 302 are made by the elastic material, first leather bag 202 and second leather bag 302 are because the entering of fluid and the volume increase, the drainage volume of first leather bag 202 and second leather bag 302 increases, make the buoyancy that the device wholly received increase, when the buoyancy that the device received is greater than gravity, the device come-up, and when the buoyancy force borne by the device is equal to the gravity force, the device is suspended at the designated detection depth, so that the underwater equipment can complete the operation conveniently. The utility model discloses a buoyancy adjusting device simple structure has improved energy utilization efficiency, utilize ultrasonic ranging system 1 through the displacement of the push rod 404 that records, can accurately calculate the buoyancy that the device received, improve buoyancy adjustment precision, simultaneously, regard fluid as working medium, first leather bag 202 and second leather bag 302 separate water and moving part, avoid moving part to be corroded, extension device life sets up one-level buoyancy governing system 2 and second grade buoyancy governing system 3, increase buoyancy control range.
The first-stage buoyancy regulating system 2 comprises a first hose 203, the first barrel 201 is communicated with a first leather bag 202 through the first hose 203, the second-stage buoyancy regulating system 3 comprises a second hose 303, the second barrel 301 is communicated with a second leather bag 302 through the second hose 303, an inner cavity of the first barrel 201 is communicated with the first leather bag 202 through the first hose 203, an inner cavity of the second barrel 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 motion path for oil to enter and exit the first barrel 201 and the second barrel 301.
In this embodiment, one end of the first flexible tube 203 is communicated with the top of the inner cavity of the first cylinder 201, the other end of the first flexible tube 203 is communicated with the bottom of the inner cavity of the first leather bag 202, when the oil is discharged into the inner cavity of the first leather bag 202 from the inner cavity of the first cylinder 201, the oil enters the bottom of the first leather bag 202 to avoid the oil from flowing back into the first cylinder 201, one end of the second flexible tube 303 is communicated with the top of the inner cavity of the second cylinder 301, the other end of the second flexible tube 303 is communicated with the bottom of the inner cavity of the second leather bag 302, and when the oil is discharged into the inner cavity of the second leather bag 302 from the inner cavity of the second cylinder 301, the oil enters the bottom of the second leather bag 302 to avoid the oil from flowing back into the second cylinder 301.
Specifically, ultrasonic ranging system 1 still includes hood 102 and top cap 101, and hood 102 is hollow structure, for singlechip ultrasonic module 103 provides installation space, top cap 101 and the opening sealing connection of hood 102, and singlechip ultrasonic module 103 sets up in the inside of hood 102, and hood 102 links to each other with first barrel 201, does sealed processing between first barrel 201 and the hood 102. It should be noted here that, singlechip ultrasonic module 103 can test the displacement of push rod 404, because of utility model does not relate to the new improvement made to ultrasonic ranging technique, consequently, singlechip ultrasonic module 103's concrete structure is constituteed here and is no longer repeated.
In addition, the top cap 102 is of a hemispherical structure, the top surface of the top cover 101 is a spherical surface, and the top cap 102 of the hemispherical structure and the top cover 101 with the spherical surface reduce the resistance of the device in the whole floating and sinking processes, reduce the energy consumption of the device and save energy.
More specifically, the driving system 4 includes a base 402, a bottom plate 403 and a motor 401, the motor 401 is connected with a push rod 404 in a transmission manner, the motor 401 is disposed in a cavity enclosed by the base 402 and the bottom plate 403, the base 402 is detachably connected with the bottom plate 403, a sealing element is disposed 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 disposed in a space enclosed by the base 402 and the bottom plate 403, and the base 402 is detachably connected with the bottom plate 403, so that disassembly and assembly and maintenance are facilitated.
Further, the motor 401 is connected to the push rod 404 through a coupling and a ball screw, the motor 401 converts the rotation 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.
Furthermore, the first bladder 202 and the second bladder 302 are both hollow ellipsoidal structures, so as to reduce the resistance of the device in the whole floating and sinking process.
The utility model discloses a buoyancy adjusting device, including first-level buoyancy adjusting system 2, second grade buoyancy adjusting system 3, ultrasonic ranging system 1 and actuating system 4, actuating system 4 can promote push rod 404 to move back and forth, push rod 404 can drive first piston 204 and second piston 304 and move in first barrel 201 and second barrel 301, first piston 204 upward movement can push the fluid in first barrel 201 into first leather bag 202, likewise, second piston 304 upward movement can push the fluid in second barrel 301 into second leather bag 302, first leather bag 202 and second leather bag 302 are made by elastic material, first leather bag 202 and second leather bag 302 increase in volume because of the entering of fluid, the volume of first leather bag 202 and second leather bag 302 increases, make the buoyancy that the device wholly received increase, the utility model discloses a buoyancy adjusting device simple structure, the energy utilization efficiency is improved, the displacement of the push rod 404 through measurement is utilized by the ultrasonic ranging system 1, the buoyancy of the device can be accurately calculated, the buoyancy adjusting precision is improved, meanwhile, oil is used as a working medium, the first leather bag 202 and the second leather bag 302 separate water from moving parts, the moving parts are prevented from being corroded, the service life of the device is prolonged, the first-stage buoyancy adjusting system 2 and the second-stage buoyancy adjusting system 3 are arranged, and the buoyancy adjusting range is enlarged.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (8)

1. A buoyancy adjusting device, comprising:
the first-stage buoyancy regulating system comprises a first cylinder, a first piston and a first leather bag, wherein the first piston is slidably arranged in an inner cavity of the first cylinder, oil can be contained in the inner cavity of the first cylinder, the first leather bag is sleeved outside the first cylinder, the inner cavity of the first cylinder is communicated with the inner cavity of the first leather bag, and the first leather bag is made of elastic materials;
the second-stage buoyancy adjusting system is arranged at the bottom of the first-stage buoyancy adjusting system and comprises a second cylinder, a second piston and a second leather bag, the second piston is slidably arranged in an inner cavity of the second cylinder, oil can be contained in the inner cavity of the second cylinder, the second cylinder and the first cylinder are coaxially arranged, the second leather bag is sleeved outside the second cylinder, the inner cavity of the second cylinder is communicated with the inner cavity of the second leather bag, the second leather bag is made of elastic materials, the second piston and the first piston are connected with a push rod, and the push rod penetrates through the first cylinder, the second cylinder, the first leather bag and the second leather bag to be connected with the first piston;
the ultrasonic ranging system comprises a single-chip microcomputer ultrasonic module, the single-chip microcomputer ultrasonic module is connected with the push rod and can test the displacement of the push rod, and the ultrasonic ranging system is arranged at the top of the primary buoyancy regulating system;
and the driving system is in transmission connection with the push rod and 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 regulating device according to claim 1, wherein: the first-stage buoyancy adjusting system comprises a first hose, the first cylinder body is communicated with the first leather bag through the first hose, the second-stage buoyancy adjusting system comprises a second hose, and the second cylinder body is communicated with the second leather bag through the second hose.
3. The buoyancy regulating device according to claim 2, wherein: one end of the first hose is communicated with the top of the inner cavity of the first barrel, 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 barrel, and the other end of the second hose is communicated with the bottom of the inner cavity of the second leather bag.
4. The buoyancy regulating device according to claim 1, wherein: 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 connected with an opening of the top cap in a sealing mode, the single-chip microcomputer ultrasonic module is arranged inside the top cap, the top cap is connected with the first barrel, and the first barrel and the top cap are subjected to sealing treatment.
5. The buoyancy regulating device according to claim 4, wherein: the top cap is of a hemispherical structure, and the top surface of the top cap is a spherical surface.
6. The buoyancy regulating device according to claim 1, wherein: the driving system comprises a base, a bottom plate and a motor, the motor is connected with the push rod in a transmission mode, the motor is arranged in a cavity defined 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 barrel.
7. The buoyancy regulating device according to claim 6, wherein: the motor is connected with the push rod through a coupler and a ball screw.
8. The buoyancy regulating device according to any one of claims 1 to 7, wherein: the first leather bag and the second leather bag are both hollow ellipsoidal structures.
CN201921138394.1U 2019-07-19 2019-07-19 Buoyancy adjusting device Active CN210212729U (en)

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Application Number Priority Date Filing Date Title
CN201921138394.1U CN210212729U (en) 2019-07-19 2019-07-19 Buoyancy adjusting device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110316343A (en) * 2019-07-19 2019-10-11 中国地质科学院 A kind of buoyancy regulating device
CN113200135A (en) * 2021-06-10 2021-08-03 杭州电子科技大学 Buoyancy adjusting device with emergency floating function and buoyancy adjusting method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110316343A (en) * 2019-07-19 2019-10-11 中国地质科学院 A kind of buoyancy regulating device
CN110316343B (en) * 2019-07-19 2024-04-30 中国地质科学院 Buoyancy adjusting device
CN113200135A (en) * 2021-06-10 2021-08-03 杭州电子科技大学 Buoyancy adjusting device with emergency floating function and buoyancy adjusting method thereof

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