CN218676510U - Zero-buoyancy signal cable for underwater robot - Google Patents

Abstract

The utility model discloses a zero buoyancy signal cable for underwater robot, include: the main part with install the cable joint at main part both ends, the main part includes buoyancy layer, outer jacket and a plurality of transmission unit, the middle part on buoyancy layer is equipped with the cavity layer that is filled with gas, and is a plurality of the transmission unit sets up buoyancy in situ and encircle the cavity layer interval sets up, the outer jacket with be equipped with the bearer layer between the buoyancy layer, the bearer layer with be equipped with the shielding layer between the buoyancy layer. The utility model provides the high bulk strength of cable reduces external signal and to the signal interference of cable, has improved signal transmission intensity.

Description

Zero-buoyancy signal cable for underwater robot

Technical Field

The utility model relates to a technical field of cable communication especially relates to a zero buoyancy signal cable for underwater robot.

Background

The cable for the underwater robot is an underwater cable, and when the cable is used, the cable has the influence of self gravity in water except buoyancy generated by the cable. Therefore, the weight of the cable itself is approximately consistent with the buoyancy generated by the cable, so that the cable is in a floating state in the water, and the purpose of zero buoyancy is achieved.

The existing zero-buoyancy signal cable has the problems of poor anti-interference capability and easy tensile damage, so that the underwater robot has high operation difficulty and the cable is damaged to reduce the operation efficiency.

Disclosure of Invention

Aiming at the problems of the existing zero-buoyancy cable, the zero-buoyancy signal cable for the underwater robot is strong in anti-jamming capability and high in strength.

The specific technical scheme is as follows:

a zero-buoyancy signal cable for an underwater robot, comprising: the main part with install the cable joint at main part both ends, the main part includes buoyancy layer, outer jacket and a plurality of transmission unit, the middle part on buoyancy layer is equipped with the cavity layer that is filled with gas, and is a plurality of the transmission unit sets up buoyancy in situ and encircle the cavity layer interval sets up, the outer jacket with be equipped with the bearer layer between the buoyancy layer, the bearer layer with be equipped with the shielding layer between the buoyancy layer.

As a further improvement and optimization of the scheme, a plurality of protruding portions equal to the number of the transmission units are protruded outwards from the outer side of the buoyancy layer, and the plurality of transmission units are respectively arranged on the plurality of protruding portions.

As a further improvement and optimization of the present solution, the plurality of protrusions are equally spaced around the axial direction of the hollow layer.

As a further improvement and optimization of the solution, the cable joint comprises:

the device comprises a body, wherein a fixed pipe is coaxially and fixedly installed at one end of the body, threads are installed on the outer threads of the fixed pipe, a connecting cavity is formed in one side, away from the fixed pipe, of the body, a plurality of threading holes for communicating the fixed pipe with the connecting cavity are formed in the body, and the threading holes are matched with the transmission units;

the plugging rod is positioned in the fixed pipe and coaxially fixed on the body and used for plugging the end part of the hollow layer.

As the further improvement and optimization of the scheme, the fixed pipe comprises a plurality of arc-shaped fixed blocks, and the fixed blocks are distributed in an array mode along the circumferential direction of the body and surround the fixed pipe.

As a further improvement and optimization of the scheme, one end, deviating from the body, of the blocking rod is provided with a chamfer.

As a further improvement and optimization of the scheme, the inner side and the outer side of the outer protective layer are coated with waterproof materials.

As a further improvement and optimization of the scheme, the bearing layer is made of high-strength tensile material.

As a further improvement and optimization of the scheme, the shielding layer is made of copper foil materials.

As a further improvement and optimization of the scheme, the buoyancy layer is a low-density material with the density of less than 1 g/cm.

Compared with the prior art, the technical scheme has the positive effects that:

(1) The utility model discloses the bulk strength of cable has been improved in the setting of bearer layer and shielding layer, reduces the signal interference of external signal to the cable, has improved signal transmission intensity.

(2) The utility model discloses a plurality of transmission unit encircle the hollow layer interval and set up, have avoided the signal interference between the transmission unit, further improvement signal transmission intensity.

(3) The utility model discloses the middle part on buoyancy layer is equipped with the cavity layer that is filled with gas, has not only reduced the holistic weight of cable, practices thrift manufacturing cost, and the setting up of cavity layer makes cable inside have certain buffering effect moreover, reduces the harm of water pressure to the cable.

(4) The utility model discloses when the in-service use, can set up the multistage body according to the degree of depth of robot operation of launching to according to the water pressure of the different degree of depth, fill into the gas of different pressure at the hollow layer of multistage body, reach cable adaptation different degree of depth water pressure purpose, reduce cable itself and cause the harm because of water pressure is too big.

(5) The utility model discloses well fixed pipe is constituteed through a plurality of arc fixed block, and when cable joint installed on the body, the outside of the cable body that fixed pipe box was established is conveniently will be fixed, and the diameter of fixed pipe slightly is less than the diameter of body, makes the cable joint installation more fixed.

Drawings

Fig. 1 is a schematic cross-sectional view of a main body of a zero-buoyancy signal cable for an underwater robot according to the present invention;

fig. 2 is a schematic structural diagram of a cable joint of a zero-buoyancy signal cable for an underwater robot according to the present invention;

fig. 3 is a schematic structural view of a fixing tube of a zero-buoyancy signal cable for an underwater robot according to the present invention;

fig. 4 is a cross-sectional view of a body of a zero-buoyancy signal cable for an underwater robot according to the present invention;

in the drawings: 1. an outer jacket; 2. a carrier layer; 3. a shielding layer; 4. a transmission unit; 5. a hollow layer; 6. a buoyancy layer; 7. a boss portion; 8. a body; 9. a nut; 10. threading holes; 11. an arc-shaped fixing block; 12. a jamming rod; 13. installing threads; 14. a fixed tube; 15. a connecting cavity.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

Fig. 1 is the utility model relates to a zero buoyancy signal cable's for underwater robot cross-sectional schematic diagram, fig. 2 is the utility model relates to an underwater robot is with zero buoyancy signal cable's cable joint's schematic structure, fig. 3 is the utility model relates to an underwater robot is with zero buoyancy signal cable's fixed pipe's schematic structure, fig. 4 is the utility model relates to a cross-sectional view of underwater robot is with zero buoyancy signal cable's body, as shown in fig. 1-4, a zero buoyancy signal cable for underwater robot of preferred embodiment is shown, include: the main part and install the cable joint at the main part both ends, the main part includes buoyancy layer 6, outer jacket 1 and a plurality of transmission unit 4, and the middle part on buoyancy layer 6 is equipped with and is filled with gaseous cavity layer 5, and a plurality of transmission unit 4 set up in buoyancy layer 6 and encircle cavity layer 5 interval and set up, are equipped with bearer layer 2 between outer jacket 1 and the buoyancy layer 6, are equipped with shielding layer 3 between bearer layer 2 and the buoyancy layer 6.

Further, as a preferred embodiment, a plurality of convex portions 7 equal to the number of the transmission units 4 are protruded outwards from the outer side of the buoyancy layer 6, and the plurality of transmission units 4 are respectively arranged on the plurality of convex portions 7.

Furthermore, as a preferred embodiment, a plurality of protruding portions 7 are distributed around the axial direction of the hollow layer 5 at equal intervals, and the arrangement of the protruding portions 7 can increase the connection stability between the buoyancy layer 6 and the shielding layer 3, thereby avoiding the relative rotation between the buoyancy layer 6 and the shielding layer 3.

Further, as a preferred embodiment, the cable joint includes: body 8 and blocking rod 12, the coaxial fixed mounting of one end of body 8 has fixed pipe 14, the screw thread is installed to the outside screw thread of fixed pipe 14, one side that body 8 deviates from fixed pipe 14 is equipped with connects chamber 15, be provided with a plurality of through wires holes 10 that communicate fixed pipe 14 and connect chamber 15 on the body 8, a plurality of through wires holes 10 and a plurality of transmission unit 4 phase-matches, blocking rod 12 is located fixed pipe 14 and coaxial the fixing on body 8 for block up the tip of cavity 5.

This embodiment can set up multistage body 8 according to the degree of depth of robot work of launching when in actual use to according to the water pressure of the different degree of depth, fill the gas of different pressure in the hollow layer 5 of multistage body 8, reached the different degree of depth water pressure mesh of cable adaptation, reduce the cable itself and cause the harm because of water pressure is too big.

Preferably, the diameter of the plugging rod 12 is slightly larger than that of the hollow layer 5, the plugging rod 12 is inserted into the end of the hollow layer 5 for sealing by using the deformation performance of the hollow layer 5, and the diameter of the plugging rod 12 is slightly larger than that of the hollow layer 5, so that the sealing performance of the hollow layer 5 is stronger.

Further, as a preferred embodiment, the fixing tube 14 includes a plurality of arc-shaped fixing blocks 11, and the plurality of fixing blocks are distributed along the circumferential direction of the body 8 in an array and surround the fixing tube 14.

Preferably, the fixing tube 14 is made of a plastic material, and the diameter of the fixing tube 14 is slightly smaller than that of the body 8.

During this embodiment cable joint installation, establish the outside at body 8 with nut 9 cover earlier, utilize the deformability of fixed pipe 14 to break off a plurality of arc fixed blocks 11 off with the fingers and thumb to make fixed pipe 14 cover establish the outside at body 8, a plurality of transmission unit 4 penetrate respectively through a plurality of through wires holes 10 and connect in the chamber 15 and make the tip that the jam pole 12 blockked up hollow layer 5 sealed simultaneously, then will fix the outside at body 8 of pipe 14 fixed mounting through nut 9.

Fixed pipe 14 in this embodiment comprises through a plurality of arc fixed block 11, and when cable joint installed on body 8, the outside of cable body 8 that the convenient 14 covers of fixed pipe was established, and the diameter of fixed pipe 14 slightly is less than the diameter of body 8, makes the cable joint installation more fixed.

Further, as a preferred embodiment, one end of the plugging rod 12 facing away from the body 8 is provided with a chamfer to facilitate the plugging rod 12 to be inserted into the hollow layer 5.

Further, as a preferred embodiment, the side wall of the end of the main body facing away from the fixing tube 14 is provided with mounting threads 13.

Further, as a preferred embodiment, the inner and outer sides of the outer sheath 1 are coated with waterproof material.

Furthermore, as a preferred embodiment, the bearing layer 2 is made of a high-strength tensile material, so that the deformation capacity of the cable is improved, the strength of the cable is improved, and the service life of the cable is prolonged.

Furthermore, as a preferred embodiment, the shielding layer 3 is made of copper foil material, so as to reduce the signal interference of the external signal to the cable, reduce the signal loss, and improve the signal transmission strength.

Further, as a preferred embodiment, the buoyant layer 6 is a low density material having a density of less than 1 g/cm.

The setting of this embodiment bearer layer 2 and shielding layer 3 has improved the bulk strength of cable, reduces the signal interference of external signal to the cable, has improved signal transmission intensity.

In this embodiment, the plurality of transmission units 4 are arranged around the hollow layer 5 at intervals, so that signal interference between the transmission units is avoided, and the signal transmission strength is further improved.

The middle part of buoyancy layer 6 is equipped with the hollow layer 5 that is filled with gas in this embodiment, has not only reduced the holistic weight of cable, practices thrift manufacturing cost, and hollow layer 5's setting makes cable inside have certain cushioning effect moreover, reduces the harm of water pressure to the cable.

The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims (10)

1. A zero-buoyancy signal cable for an underwater robot, comprising: the main part with install the cable joint at main part both ends, the main part includes buoyancy layer, outer jacket and a plurality of transmission unit, the middle part on buoyancy layer is equipped with the cavity layer that is filled with gas, and is a plurality of the transmission unit sets up buoyancy in situ and encircle the cavity layer interval sets up, the outer jacket with be equipped with the bearer layer between the buoyancy layer, the bearer layer with be equipped with the shielding layer between the buoyancy layer.

2. The zero-buoyancy signal cable for the underwater robot of claim 1, wherein a plurality of protrusions equal to the number of the transmission units are protruded outwardly from an outer side of the buoyancy layer, and the plurality of transmission units are respectively disposed on the plurality of protrusions.

3. The zero-buoyancy signal cable for the underwater robot of claim 2, wherein a plurality of the protrusions are equally spaced around an axial direction of the hollow layer.

4. The zero-buoyancy signal cable for the underwater robot of claim 1, wherein the cable joint comprises:

the device comprises a body, wherein a fixed pipe is coaxially and fixedly installed at one end of the body, threads are installed on the outer threads of the fixed pipe, a connecting cavity is formed in one side, away from the fixed pipe, of the body, a plurality of threading holes for communicating the fixed pipe with the connecting cavity are formed in the body, and the threading holes are matched with the transmission units;

the plugging rod is positioned in the fixed pipe and coaxially fixed on the body and used for plugging the end part of the hollow layer.

5. The zero-buoyancy signal cable for the underwater robot as claimed in claim 4, wherein the fixing tube includes a plurality of arc-shaped fixing blocks, and the fixing blocks are distributed in an array along a circumferential direction of the body and surround the fixing tube.

6. The zero-buoyancy signal cable for the underwater robot of claim 4, wherein an end of the blocking rod facing away from the body is provided with a chamfer.

7. The zero-buoyancy signal cable for the underwater robot of claim 4, wherein a side wall of an end of the main body facing away from the fixing pipe is provided with mounting threads.

8. The zero-buoyancy signal cable for the underwater robot as claimed in claim 1, wherein the outer jacket is coated with a waterproof material on both inner and outer sides thereof.

9. The zero-buoyancy signal cable for the underwater robot of claim 1, wherein the bearing layer is a high-strength tensile material.

10. The zero-buoyancy signal cable for the underwater robot of claim 1, wherein the shielding layer is made of copper foil.

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