阅读说明：本技术 一种水下机器人潜水深度自调节装置 (Underwater robot dive degree of depth self-interacting device ) 是由 沈阳 于 2019-10-28 设计创作，主要内容包括：本发明公开了一种水下机器人潜水深度自调节装置,涉及浮力调节装置技术领域。该发明包括固定板,固定板下表面固定有密封圈,密封圈一侧固定有调节筒,调节筒下表面开有调节孔,固定板上表面开有活动孔,活动孔内部固定有第一转轴,第一转轴内壁固定有螺纹杆,螺纹杆一端固定有卡槽,卡槽表面固定有若干个第一卡块,螺纹杆另一端固定有第二转轴,第二转轴外圈固定有调节板,调节板一侧固定有弹簧。本发明通过螺纹杆的作用,具有可灵活调节调节筒内液体的体积,使该装置在浮力的作用下上浮或下沉,以此达到调节的目的,从而实现水下机器人潜水深度的自调节,更好的满足水下机器人在不同深度下的作业。(The invention discloses a diving depth self-adjusting device of an underwater robot, and relates to the technical field of buoyancy adjusting devices. The adjustable clamping device comprises a fixing plate, wherein a sealing ring is fixed on the lower surface of the fixing plate, an adjusting cylinder is fixed on one side of the sealing ring, an adjusting hole is formed in the lower surface of the adjusting cylinder, a movable hole is formed in the upper surface of the fixing plate, a first rotating shaft is fixed in the inner portion of the movable hole, a threaded rod is fixed on the inner wall of the first rotating shaft, a clamping groove is fixed at one end of the threaded rod, a plurality of first clamping blocks are fixed on the surface of the clamping groove, a second rotating shaft is fixed at the other end of the threaded rod, an. The invention can flexibly adjust the volume of liquid in the adjusting cylinder through the action of the threaded rod, so that the device floats upwards or sinks downwards under the action of buoyancy, thereby achieving the purpose of adjustment, realizing the self adjustment of the diving depth of the underwater robot and better meeting the operation of the underwater robot at different depths.)

1. The utility model provides an underwater robot dive degree of depth self-interacting device, includes fixed plate (1), its characterized in that: the lower surface of the fixing plate (1) is fixed with a sealing ring (2), one side of the sealing ring (2) is fixed with an adjusting cylinder (3), the lower surface of the adjusting cylinder (3) is provided with an adjusting hole (4), the upper surface of the fixing plate (1) is provided with a movable hole (5), a first rotating shaft (6) is fixed inside the movable hole (5), the inner wall of the first rotating shaft (6) is fixed with a threaded rod (7), one end of the threaded rod (7) is fixed with a clamping groove (8), the surface of the clamping groove (8) is fixed with a plurality of first clamping blocks (9), the other end of the threaded rod (7) is fixed with a second rotating shaft (10), the outer ring of the second rotating shaft (10) is fixed with an adjusting plate (11), and one side of the adjusting plate (11) is;

a support (13) is fixed on the upper surface of the fixing plate (1), a stepping motor (14) is fixed inside the support (13), a movable rod (15) is fixed on an output shaft of the stepping motor (14), a plurality of second clamping blocks (16) are fixed on the surface of the movable rod (15), a transmission belt (17) is connected between the first clamping block (9) and the second clamping blocks (16), and a plurality of connecting grooves (18) are formed in the surface of the transmission belt (17);

a waterproof shell (19) is fixed on the upper surface of the fixing plate (1), a limiting groove (20) is fixed on the inner wall of the waterproof shell (19), a first threaded pipe (21) is arranged at the top of the waterproof shell (19), a second threaded pipe (22) is in threaded connection with the inside of the first threaded pipe (21), a top cover (23) is fixed at one end of the second threaded pipe (22), a through hole (24) is formed in the upper surface of the top cover (23), a baffle plate (25) is movably connected with the inside of the limiting groove (20), a connecting rod (26) is movably connected to one side of the baffle plate (25), and a connecting buckle (27) is fixed at one end of the connecting rod (26);

a first pressure sensor (28) and a second pressure sensor (29) are arranged on the lower surface of the adjusting cylinder (3) at two sides of the adjusting hole (4), the first pressure sensor (28) and the second pressure sensor (29) are electrically connected with an underwater robot controller, and the first pressure sensor (28), the second pressure sensor (29), the stepping motor (14) and the underwater robot controller form a diving depth self-adjusting closed-loop negative feedback control system, when the underwater robot is immersed in water and is in a hovering state, the feeding amount of the adjusting plate (11) in the adjusting cylinder (3) is D, when the stepping motor (14) rotates to drive the feed quantity of the adjusting plate (11) in the adjusting cylinder (3) to be more than D, the underwater robot sinks, meanwhile, the pressure detected by the first pressure sensor (28) and the second pressure sensor (29) is increased; when the stepping motor (14) rotates to drive the adjusting plate (11) to feed less than D in the adjusting cylinder (3), the underwater robot floats upwards, meanwhile, the pressure detected by the first pressure sensor (28) and the second pressure sensor (29) is reduced, and the forward and reverse rotation of the stepping motor (14) is adjusted through pressure feedback, so that the underwater robot can suspend at different underwater depths.

2. The waterproof case (19) is made of stainless steel, and the diameter of the adjusting plate (11) is equal to the inner diameter of the adjusting cylinder (3).

3. The underwater robot diving depth self-adjusting device according to claim 1, wherein one end of the spring (12) is fixedly connected with the adjusting plate (11), and the other end of the spring (12) is fixedly connected with the fixing plate (1).

4. The underwater robot diving depth self-adjusting device according to claim 1, wherein the first clamping block (9) has a rectangular structure, the first clamping block (9) is engaged with the connecting groove (18), and the second clamping block (16) is engaged with the connecting groove (18).

5. The underwater robot diving depth self-adjusting device according to claim 1, wherein the sealing ring (2) is made of rubber, and the adjusting hole (4) is a through hole.

Technical Field

The invention belongs to the technical field of buoyancy adjusting devices, and particularly relates to a diving depth self-adjusting device of an underwater robot.

Background

China is a big ocean country, and an underwater unmanned aircraft as an offshore force multiplier has wide and important military application and irreplaceable function in future sea wars. With the development of underwater robots and related technologies, underwater robots have been used to perform tasks such as mine sweeping, reconnaissance, information collection, and ocean exploration, and may also be used as underwater weapon platforms, logistics support platforms, and other equipment in future sea warfare, and thus have great significance, in which a buoyancy adjusting device inside the underwater robot is an important part in the research and development process of the underwater robot.

The existing buoyancy adjusting device has more internal electric devices, is relatively complex in adjusting process, and cannot meet the requirement that the underwater robot can operate at an underwater specified depth.

Disclosure of Invention

The invention aims to provide a self-adjusting device for the diving depth of an underwater robot, which can flexibly adjust the volume of liquid in an adjusting cylinder under the action of a threaded rod, so that the device can float upwards or sink under the action of buoyancy, and solves the problems that the conventional buoyancy adjusting device has more internal electric devices and cannot be adjusted in a short time.

In order to solve the technical problem, the invention provides a diving depth self-adjusting device of an underwater robot, which is realized by the following technical scheme:

the invention relates to a self-adjusting device for the diving depth of an underwater robot, which comprises a fixed plate, wherein a sealing ring is fixed on the lower surface of the fixed plate, an adjusting cylinder is fixed on one side of the sealing ring, an adjusting hole is formed in the lower surface of the adjusting cylinder, a movable hole is formed in the upper surface of the fixed plate, a first rotating shaft is fixed in the movable hole, a threaded rod is fixed on the inner wall of the first rotating shaft, a clamping groove is fixed at one end of the threaded rod, a plurality of first clamping blocks are fixed on the surface of the clamping groove, a second rotating shaft is fixed at the other end of the threaded rod, an adjusting plate is fixed on the outer ring of the second;

a bracket is fixed on the upper surface of the fixed plate, a stepping motor is fixed in the bracket, a movable rod is fixed on an output shaft of the stepping motor, a plurality of second fixture blocks are fixed on the surface of the movable rod, a transmission belt is connected between the first fixture block and the second fixture block, and a plurality of connection grooves are formed in the surface of the transmission belt;

a waterproof shell is fixed on the upper surface of the fixing plate, a limiting groove is fixed on the inner wall of the waterproof shell, a first threaded pipe is arranged at the top of the waterproof shell, a second threaded pipe is connected to the inner part of the first threaded pipe in a threaded manner, a top cover is fixed at one end of the second threaded pipe, a through hole is formed in the upper surface of the top cover, a baffle is movably connected inside the limiting groove, a connecting rod is movably connected to one side of the baffle, and a connecting buckle is fixed at one end of the connecting rod;

the underwater robot is characterized in that a first pressure sensor and a second pressure sensor are mounted on the lower surface of the adjusting cylinder and on two sides of the adjusting hole, the first pressure sensor and the second pressure sensor are electrically connected with an underwater robot controller, the first pressure sensor, the second pressure sensor, a stepping motor and the underwater robot controller form a diving depth self-adjusting closed-loop negative feedback control system, when the underwater robot is immersed in water and in a hovering state, the feeding amount of the adjusting plate in the adjusting cylinder is D, when the stepping motor rotates to drive the feeding amount of the adjusting plate in the adjusting cylinder to be larger than D, the underwater robot sinks, and meanwhile, the pressures detected by the first pressure sensor and the second pressure sensor are increased; when the stepping motor rotates to drive the adjusting plate to feed less than D in the adjusting cylinder, the underwater robot floats upwards, meanwhile, the pressure detected by the first pressure sensor and the second pressure sensor is reduced, and the forward and reverse rotation of the stepping motor is adjusted through pressure feedback, so that the underwater robot can suspend at different underwater depths.

Step motor opens in the use, and the movable rod of its output shaft one end then drives the activity of second fixture block, and the second fixture block drives the drive belt simultaneously and rotates, then the drive belt drives the first fixture block of threaded rod one end and rotates, and first fixture block drives the threaded rod and rotates when the pivoted, and the threaded rod then drives the regulating plate of its bottom and is adjusting a section of thick bamboo internalization to this carries out water injection or drainage in adjusting a section of thick bamboo.

Further, the waterproof shell adopts stainless steel, the adjusting plate diameter equals with an adjusting section of thick bamboo internal diameter, and the waterproof shell adopts stainless steel can prolong its life.

Furthermore, one end of the spring is fixedly connected with the adjusting plate, the other end of the spring is fixedly connected with the fixing plate, and the spring can enable the adjusting plate to be stable.

Furthermore, the first fixture block is of a rectangular structure, the first fixture block is matched with the connecting groove, the second fixture block is matched with the connecting groove, and the arrangement can enable the movement of the transmission belt to be more stable.

Furthermore, the sealing ring is made of rubber, the adjusting hole is a through hole, and the sealing ring is made of rubber so that the sealing effect is better.

The invention has the following beneficial effects:

1. the invention has the advantages that the volume of liquid in the adjusting cylinder can be flexibly adjusted through the action of the threaded rod, so that the device floats upwards or sinks downwards under the action of buoyancy, the adjusting purpose is achieved, the sealing performance is good, and the service life of the buoyancy adjusting device is long.

2. The invention has the advantages that the adjusting plate is kept stable in the working process through the action of the spring, the inclination of the adjusting plate is avoided, and the working efficiency of the device is higher.

3. According to the invention, real-time pressure feedback is carried out through the first pressure sensor and the second pressure sensor, so that the underwater robot controller repeatedly adjusts the forward and reverse rotation of the stepping motor and adjusts the suspension of the underwater robot at a fixed depth, thereby realizing the self-adjustment of the diving depth of the underwater robot and better meeting the operation of the underwater robot at different depths.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a diving depth self-adjusting device of an underwater robot according to the invention;

FIG. 2 is a front view of the structure of FIG. 1;

FIG. 3 is a schematic structural view of the present invention with the waterproof case removed;

FIG. 4 is a schematic view of the internal structure of the adjustment cylinder of the present invention;

FIG. 5 is a cross-sectional view A-A of FIG. 2;

in the drawings, the components represented by the respective reference numerals are listed below:

1-a fixing plate, 2-a sealing ring, 3-an adjusting cylinder, 4-an adjusting hole, 5-a movable hole, 6-a first rotating shaft, 7-a threaded rod, 8-a clamping groove, 9-a first clamping block, 10-a second rotating shaft, 11-an adjusting plate, 12-a spring, 13-a bracket, 14-a stepping motor, 15-a movable rod, 16-a second clamping block, 17-a driving belt, 18-a connecting groove, 19-a waterproof shell, 20-a limiting groove, 21-a first threaded pipe, 22-a second threaded pipe, 23-a top cover, 24-a through hole, 25-a baffle, 26-a connecting rod, 27-a connecting buckle, 28-a first pressure sensor and 29-a second pressure sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the invention relates to a self-adjusting device for diving depth of an underwater robot, which comprises a fixing plate 1, wherein a sealing ring 2 is fixed on the lower surface of the fixing plate 1, an adjusting cylinder 3 is fixed on one side of the sealing ring 2, an adjusting hole 4 is formed on the lower surface of the adjusting cylinder 3, a movable hole 5 is formed on the upper surface of the fixing plate 1, a first rotating shaft 6 is fixed in the movable hole 5, a threaded rod 7 is fixed on the inner wall of the first rotating shaft 6, a clamping groove 8 is fixed at one end of the threaded rod 7, four first clamping blocks 9 are fixed on the surface of the clamping groove 8, a second rotating shaft 10 is fixed at the other end of the threaded rod 7, an adjusting plate 11 is fixed on the;

a bracket 13 is fixed on the upper surface of the fixing plate 1, a stepping motor 14 is fixed in the bracket 13, a movable rod 15 is fixed on an output shaft of the stepping motor 14, four second fixture blocks 16 are fixed on the surface of the movable rod 15, a transmission belt 17 is connected between the first fixture block 9 and the second fixture block 16, and ten connection grooves 18 are formed in the surface of the transmission belt 17;

a waterproof shell 19 is fixed on the upper surface of the fixing plate 1, a limiting groove 20 is fixed on the inner wall of the waterproof shell 19, a first threaded pipe 21 is formed in the top of the waterproof shell 19, a second threaded pipe 22 is in threaded connection with the inside of the first threaded pipe 21, a top cover 23 is fixed at one end of the second threaded pipe 22, a through hole 24 is formed in the upper surface of the top cover 23, a baffle 25 is movably connected with the inside of the limiting groove 20, a connecting rod 26 is movably connected to one side of the baffle 25, a connecting buckle 27 is fixed at one end of the connecting rod 26, and the connecting buckle 27 is fixed on the underwater robot, so that the diving depth self-;

the lower surface of the adjusting cylinder 3 is provided with a first pressure sensor 28 and a second pressure sensor 29 at two sides of the adjusting hole 4, the first pressure sensor 28 and the second pressure sensor 29 are electrically connected with an underwater robot controller, and the first pressure sensor 28, the second pressure sensor 29, the stepping motor 14 and the underwater robot controller form a diving depth self-adjusting negative feedback closed-loop control system, according to the Archimedes principle, the buoyancy F floating and G row of the underwater robot completely immersed in water is rho liquid gV, so that the buoyancy F floating and F floating of the underwater robot immersed in water is unchanged, but when the feed amount of the adjusting plate 11 in the adjusting cylinder 3 is changed, the capacity of water entering the adjusting cylinder 3 is changed, so that the gravity G of the underwater robot is changed, when F floating and G are suspended, when F is greater than G, the underwater robot floats, when F floats < G, the underwater robot sinks, and when the underwater robot is immersed in water and is in a hovering state through repeated experiments, the feeding amount of the adjusting plate 11 in the adjusting cylinder 3 is D, and when the stepping motor 14 rotates to drive the feeding amount of the adjusting plate 11 in the adjusting cylinder 3 to be greater than D, the underwater robot sinks, and meanwhile, the pressures detected by the first pressure sensor 28 and the second pressure sensor 29 are increased; when the feed amount of the adjusting plate 11 in the adjusting cylinder 3 is driven by the rotation of the stepping motor 14 to be less than D, the underwater robot floats upwards, meanwhile, the pressure detected by the first pressure sensor 28 and the second pressure sensor 29 is reduced, the pressure is fed back to the underwater robot controller in real time through the change value of the pressure, the forward and reverse rotation of the stepping motor 14 is repeatedly adjusted through the underwater robot controller, the underwater robot is enabled to suspend at different underwater depths, the pressure intensities of the first pressure sensor 28 and the second pressure sensor 29 at different depths can be calculated according to an underwater pressure intensity calculation formula P = rho liquid gh through the contact area s of the pressure measuring module of the first pressure sensor 28 and the second pressure sensor 29, the average value of the pressure intensities received by the first pressure sensor 28 and the second pressure sensor 29 is calculated, and therefore the underwater depth h = P/rho liquid g = F/rho liquid gs of the underwater robot is calculated, therefore, real-time pressure feedback is carried out through the first pressure sensor 28 and the second pressure sensor 29, so that the underwater robot controller repeatedly adjusts the forward and reverse rotation of the stepping motor 14, and the underwater robot is adjusted to suspend at a fixed depth.

As shown in FIG. 1, the waterproof case 19 is made of stainless steel, the diameter of the adjusting plate 11 is equal to the inner diameter of the adjusting cylinder 3, and the waterproof case 19 is made of stainless steel so as to prolong the service life of the waterproof case.

As shown in fig. 4, one end of the spring 12 is fixedly connected to the adjusting plate 11, and the other end of the spring 12 is fixedly connected to the fixing plate 1, and the spring 12 can stabilize the adjusting plate 11.

As shown in fig. 3-4, the first locking block 9 is a rectangular structure, the first locking block 9 is engaged with the connecting groove 18, and the second locking block 16 is engaged with the connecting groove 18, so that the movement of the driving belt 17 is more stable.

As shown in figure 1, the sealing ring 2 is made of rubber, the adjusting hole 4 is a through hole, and the sealing ring 2 is made of rubber so that the sealing effect is better.

The working principle of the embodiment is as follows: in the working process, the stepping motor 14 is started, the movable rod 15 at one end of the output shaft of the stepping motor drives the second clamping block 16 to move, the second clamping block 16 drives the transmission belt 17 to rotate while rotating, the transmission belt 17 drives the first clamping block 9 at one end of the threaded rod 7 to rotate, the first clamping block 9 drives the threaded rod 7 to rotate while rotating, and the threaded rod 7 drives the adjusting plate 11 at the bottom of the threaded rod to move in the adjusting cylinder 3, so that water is injected into or drained from the adjusting cylinder 3, and the device floats upwards or sinks under the action of buoyancy, so that the purpose of adjusting is achieved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.