CN210201119U - Underwater working conductive slip ring - Google Patents
Underwater working conductive slip ring Download PDFInfo
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- CN210201119U CN210201119U CN201921299329.7U CN201921299329U CN210201119U CN 210201119 U CN210201119 U CN 210201119U CN 201921299329 U CN201921299329 U CN 201921299329U CN 210201119 U CN210201119 U CN 210201119U
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- slip ring
- oil storage
- compensator
- shell
- oil
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- 238000007789 sealing Methods 0.000 claims abstract description 38
- 238000004891 communication Methods 0.000 claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 38
- 230000005611 electricity Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 98
- 229920002545 silicone oil Polymers 0.000 description 10
- 230000008859 change Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 210000002445 nipple Anatomy 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model relates to an underwater machine technical field discloses a underwater operation conductive sliding ring. The underwater operation conductive slip ring comprises: the rotating shaft can be rotatably arranged in the slip ring shell, the outer side surface of the rotating shaft and the slip ring shell are sealed through a first sealing ring, and a sealed inner cavity is formed inside the slip ring shell; the carbon brush is arranged in the inner cavity and is in mutual contact with the outer side surface of the rotating shaft; the pressure compensator is installed on the sliding ring shell and is provided with an oil storage cavity, oil pressure compensation media are filled in the oil storage cavity, a communication port communicated with the inner cavity is formed in the sliding ring shell, and the oil storage cavity is communicated with the inner cavity of the sliding ring shell through the communication port. The utility model discloses a pressure compensator is connected at the inside cavity of the slip ring that leads electricity, makes the slip ring that leads electricity lead the inside oil pressure of slip ring and outside water pressure be in balanced state all the time when underwater operation to stop the hidden danger of the inside seepage of outside water-guide slip ring.
Description
Technical Field
The utility model relates to an underwater machine technical field especially relates to a conductive sliding ring of underwater operation.
Background
At present, the underwater conductive slip ring in the market adopts sealing materials such as O-shaped rings, lip-shaped sealing rings or rotary GREEN rings to seal a rotary sealing surface. When the conductive slip ring leaves a factory, the underwater normal work can be basically realized. However, with the abrasion of the sealing ring in the using process, when the sealing ring works underwater, water leaks into the cavity of the conductive sliding ring due to the action of external water deep pressure, so that the conductive sliding ring is short-circuited, and the problems of burning out electrical equipment or unstable and unreliable data transmission are caused.
However, the underwater conductive slip ring is generally used for ships or underwater research and test projects, so that the requirement on the stability of the product is high, and once problems occur in use, the conductive slip ring can cause great danger. Therefore, a technical solution is needed to solve the technical problems of the existing conductive slip ring.
SUMMERY OF THE UTILITY MODEL
Based on above, an object of the utility model is to provide a slide ring is led in underwater operation connects a pressure compensator through the internal cavity at the slide ring that leads electricity for the pressure of the inside silicon oil pressure of slide ring and outside water is in balanced state all the time when underwater operation, stops the hidden danger of outside water to the inside seepage of slide ring that leads electricity.
In order to achieve the purpose, the utility model adopts the following technical proposal:
an underwater-working conductive slip ring, comprising: a slip ring housing; the rotating shaft is rotatably arranged in the slip ring shell, the outer side surface of the rotating shaft and the slip ring shell are sealed through a first sealing ring, and a sealed inner cavity is formed inside the slip ring shell; the carbon brush is arranged in the internal cavity and is in mutual contact with the outer side face of the rotating shaft; and the pressure compensator is arranged on the sliding ring shell and provided with an oil storage cavity, oil pressure compensation media are filled in the oil storage cavity, a communication port communicated with the inner cavity is formed in the sliding ring shell, and the oil storage cavity is communicated with the inner cavity through the communication port.
In a technical scheme, pressure compensator includes elasticity oil storage bag and fills the glib talker, elasticity oil storage bag have the oil storage chamber and with the opening of oil storage chamber intercommunication, it connects to fill the glib talker the opening part of elasticity oil storage bag, fill the glib talker with the intercommunication mouth is connected.
In one technical scheme, the elastic oil storage bag is a rubber oil storage bag, and the rubber oil storage bag is in a spherical or ellipsoidal shape.
In one technical scheme, the oil filling nozzle is a metal oil filling nozzle, and the metal oil filling nozzle is inserted into the communicating opening and is fixedly connected with the communicating opening through threads.
In a technical scheme, pressure compensator includes compensator casing and piston, the compensator casing has the opening, piston movable mounting is in on the compensator casing and seal the opening of compensator casing, the compensator casing with the piston encloses jointly and becomes the oil storage chamber, be equipped with on the compensator casing with oil storage chamber intercommunication just is used for connecting the connection structure of intercommunication mouth.
In one technical scheme, an outer groove is formed in the outer peripheral surface of the piston, a second sealing ring is mounted in the outer groove, and the second sealing ring is abutted and sealed with the inner side surface of the compensator shell.
In one technical scheme, an inner groove is formed in the inner side surface of the opening end of the compensator shell, a clamp spring is installed in the inner groove, and the clamp spring is used for limiting the piston to be separated from the opening of the compensator shell.
In one technical scheme, the connecting structure is a hollow convex column with an external thread, and the hollow convex column is inserted into the communicating opening and is fixedly connected with the communicating opening in a threaded manner.
In one technical scheme, the slip ring shell comprises a hollow shell, and an end cover and a tail cover which are respectively installed at two ends of the hollow shell, wherein a third sealing ring is arranged between the end cover and the hollow shell, and a fourth sealing ring is arranged between the tail cover and the hollow shell; the end cover is provided with a through hole for mounting the rotating shaft, the first sealing ring is arranged between the outer side surface of the rotating shaft and the end cover, and the tail cover closes an opening at one end of the hollow shell; or the end cover with all be equipped with on the tail-hood and be used for the installation the through-hole of pivot, the lateral surface of pivot with between the end cover, the lateral surface of pivot with all be equipped with between the tail-hood first sealing washer.
In one technical scheme, an oil drain hole communicated with the inner cavity is formed in the slip ring shell, and a plug screw is detachably mounted at the oil drain hole.
The utility model has the advantages that:
the utility model provides an underwater working conductive slip ring, a pressure compensator is connected on a slip ring shell, an oil pressure compensation medium is filled in an oil storage cavity of the pressure compensator, for example, insulating non-conductive silicon oil is filled in the oil storage cavity as the oil pressure compensation medium, a communicating port communicated with the inner cavity of the slip ring shell is arranged on the slip ring shell, the oil storage cavity is communicated with the inner cavity of the conductive slip ring through the communicating port, thus, when the conductive slip ring works underwater, along with the continuous change of external water pressure, the oil pressure compensation medium in the oil storage cavity of the pressure compensator can enter the inner cavity of the conductive slip ring through the communicating port under the action of the external water pressure, thereby leading the pressure (namely oil pressure) in the inner cavity of the conductive slip ring to continuously and synchronously change along with the external water pressure, and the pressure in the inner cavity of the conductive slip ring are always in a balanced state, thereby ensure that outside rivers can not flow into the inside cavity of conducting slip ring through first sealing washer position, also stop the hidden danger of outside water to the inside cavity seepage of conducting slip ring promptly to ensure that the safe and reliable of conducting and data transmission of conducting slip ring carbon brush is electrically conducted in the long-term underwater work, make this conducting slip ring can be applicable to the submarine operating mode of deep sea and use.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention 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 the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a cross-sectional view of an underwater conductive slip ring provided in embodiment 1 of the present invention;
fig. 2 is a cross-sectional view of a pressure compensator of an underwater conductive slip ring provided in embodiment 2 of the present invention.
In the figure:
1-a slip ring housing, 2-a rotating shaft, 3-a first sealing ring, 4-a carbon brush, 5-a pressure compensator, 6-a carbon brush holder, 7-a rotor wire, 8-a stator wire, 9-a bearing, 10-a rotor flange, 11-a hollow shell, 12-an end cover, 13-a tail cover, 14-a third sealing ring, 15-a fourth sealing ring, and 16-a plug screw;
101-an internal cavity, 102-a communication port and 103-an oil drain hole;
50-an oil storage cavity, 51-an elastic oil storage bag, 52-an oil filling nozzle, 53-a compensator shell, 531-an inner groove, 532-a hollow convex column, 54-a piston, 541-an outer groove, 55-a second sealing ring and 56-a snap spring.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "communicate" and "connect" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The utility model provides a slip ring is led in underwater work, it is right to give a plurality of embodiments below the utility model provides a slip ring is led in underwater work carries out detailed description.
Example 1
As shown in fig. 1, the underwater conductive slip ring comprises a slip ring housing 1, a rotating shaft 2 and a carbon brush 4. The rotating shaft 2 is rotatably mounted in the slip ring housing 1, the outer side surface of the rotating shaft 2 is sealed with the slip ring housing 1 through a first sealing ring 3, and a sealed inner cavity 101 is formed inside the slip ring housing 1; the carbon brush 4 is installed in the inner cavity 101 of the slip ring housing 1, and the carbon brush 4 contacts with the outer side surface of the rotating shaft 2.
When the rotating shaft 2 runs, the carbon brush 4 is continuously contacted with the outer side surface of the rotating shaft 2, so that continuous electrification is ensured; the outer side surface of the rotating shaft 2 is connected with a rotor lead 7, and the carbon brush 4 is connected with a stator lead 8, so that the function of continuously electrifying and transmitting signals is realized. More specifically, the rotating shaft 2 is supported in the slip ring housing 1 through the bearing 9, the rotating shaft 2 can rotate in the slip ring housing 1, a metal ring is arranged on the outer side surface of the rotating shaft 2, a carbon brush holder 6 is installed in an internal cavity 101 of the slip ring housing 1, a carbon brush 4 is installed on the carbon brush holder 6, and the carbon brush 4 and the metal ring are in continuous contact with each other when the rotating shaft 2 runs, so that continuous power-on is ensured; the metal ring is connected with a rotor lead 7, and the carbon brush 4 is connected with a stator lead 8, so that the function of continuously electrifying and transmitting signals is realized.
In order to ensure the normal operation of the conductive slip ring, when the conductive slip ring leaves a factory, the internal cavity 101 of the slip ring housing 1 is pre-filled with insulating non-conductive silicone oil, and when the conductive slip ring works underwater, under the action of external water depth pressure, the first sealing ring 3 between the outer side surface of the rotating shaft 2 and the slip ring housing 1 can bear water pressure permeating inwards. The problem that water leaks into the inner cavity 101 of the conductive slip ring due to the action of external water deep pressure during underwater work, and then the conductive slip ring is short-circuited to burn out electrical equipment or cause unstable and unreliable data transmission is solved. As shown in fig. 1, the underwater conductive slip ring comprises a pressure compensator 5, the pressure compensator 5 is installed on a slip ring housing 1, the pressure compensator 5 has an oil storage cavity 50, an oil pressure compensation medium is filled in the oil storage cavity 50, for example, insulating non-conductive silicone oil is filled in the oil storage cavity 50 as the oil pressure compensation medium, a communication port 102 communicated with an internal cavity 101 of the slip ring housing 1 is opened on the slip ring housing 1, and the oil storage cavity 50 is communicated with the internal cavity 101 of the slip ring housing 1 through the communication port 102.
In this embodiment, a pressure compensator 5 is connected to the conductive slip ring, when the conductive slip ring works underwater, along with the continuous change of the external water pressure, the oil pressure compensation medium in the oil storage cavity 50 of the pressure compensator 5 can enter the internal cavity 101 of the slip ring housing 1 through the communication port 102 of the external water under the pressure action of the external water, that is, the silicone oil in the pressure compensator 5 is supplemented to the internal cavity 101 of the conductive slip ring, so that the oil pressure in the internal cavity 101 of the conductive slip ring continuously and synchronously changes along with the change of the external water pressure, the external water pressure and the oil pressure in the internal cavity 101 of the conductive slip ring are always in a balanced state, thereby ensuring that the external water flow cannot flow into the internal cavity 101 of the conductive slip ring from the position of the first sealing ring 3, and also avoiding the hidden danger of leakage of the internal cavity 101 of the external water conductive slip ring, therefore, the carbon brush 4 of the conductive slip ring can be ensured to be conductive and data transmission is safe and reliable during long-term underwater work, and the conductive slip ring can be suitable for underwater working conditions in deep sea.
As shown in fig. 1, the pressure compensator 5 includes an elastic oil storage bag 51 and an oil filling nozzle 52, the elastic oil storage bag 51 has an oil storage chamber 50 and an opening communicating with the oil storage chamber 50, the oil filling nozzle 52 is connected to the opening of the elastic oil storage bag 51, and the oil filling nozzle 52 is connected to a communication port 102 on the slip ring housing 1.
In this embodiment, the elastic reservoir bag 51 of the pressure compensator 5 can change shape and volume under the water depth pressure, that is, when the water depth pressure is large, external water pressure presses the oil pressure compensation medium in the elastic oil storage bag 51 (for example, the elastic oil storage bag 51 is filled with insulating non-conductive silicone oil as the oil pressure compensation medium), enters the inner cavity 101 of the slip ring housing 1 through the communication port 102 on the slip ring housing 1, so that the external water pressure and the oil pressure in the internal cavity 101 of the conductive slip ring are in a balanced state, in this state, the pressure of the water outside the first sealing ring 3 is equal to the pressure of the oil in the inner cavity 101 of the electrical slip ring, the penetration of the water outside to the inner cavity 101 of the electrical slip ring is stopped, therefore, clean silicone oil is ensured in the inner cavity 101 of the conductive slip ring, and the safety and reliability of the electric conduction and data transmission of the carbon brush 4 of the conductive slip ring are further ensured.
Specifically, the elastic oil storage bag 51 may be a rubber oil storage bag, that is, the pressure compensator 5 is a rubber product oil bag, and the rubber oil storage bag has good elasticity, so that it is ensured that it can elastically deform under the action of water depth pressure, and an oil pressure compensation medium in the rubber oil storage bag enters the internal cavity 101 of the conductive slip ring through the communication port 102 on the conductive slip ring, thereby realizing balance of internal and external pressures. As shown in fig. 1, the rubber oil storage bag is in a spherical or ellipsoidal shape, so that the rubber oil storage bag is favorable for elastic deformation, and dead corners in the rubber oil storage bag are avoided. Of course, the elastic oil storage bag 51 is not limited to rubber products, and the shape thereof is not limited to spherical or ellipsoidal, and the material and shape of the elastic oil storage bag 51 can be designed and adjusted according to the actual situation.
In order to connect the elastic oil storage bag 51 and the slip ring housing 1, as shown in fig. 1, an oil filling nozzle 52 is connected to an opening of the elastic oil storage bag 51, the oil filling nozzle 52 is a metal oil filling nozzle, and the metal oil filling nozzle is inserted into a communication port 102 on the slip ring housing 1 and is fixedly connected with the communication port 102 through a thread. And a threaded connection structure is adopted, so that the pressure compensator 5 and the slip ring shell 1 are convenient to assemble, and the firm connection between the pressure compensator and the slip ring shell is ensured. In order to facilitate smooth insertion of the oil charging nipple 52 into the communication opening 102 of the slip ring housing 1, the oil charging nipple 52 may be designed to have a tapered structure with a gradually decreasing cross-sectional radius along the insertion direction of the oil charging nipple 52.
As shown in fig. 1, the slip ring housing 1 includes a hollow shell 11, and an end cap 12 and a tail cap 13 respectively installed at two ends of the hollow shell 11, wherein a third sealing ring 14 is disposed between the end cap 12 and the hollow shell 11, and a fourth sealing ring 15 is disposed between the tail cap 13 and the hollow shell 11. The end cover 12 is provided with a through hole for installing the rotating shaft 2, the rotating shaft 2 is installed in the slip ring shell 1 through the through hole in the end cover 12, and the bearings 9 are supported between the outer side surface of the rotating shaft 2 and the end cover 12 and between the outer side surface of the rotating shaft 2 and the tail cover 13, so that the rotating shaft 2 can rotate in the slip ring shell 1. A first sealing ring 3 is arranged between the outer side face of the rotating shaft 2 and the end cover 12, and the tail cover 13 seals one end opening of the hollow shell 11, so that a sealed inner cavity 101 is formed inside the slip ring shell 1, and silicone oil filled in the inner cavity 101 is prevented from leaking outwards.
As shown in fig. 1, a rotor flange 10 is mounted at the front end of the rotating shaft 2, and the rotor flange 10 is fastened to the rotating shaft 2 by fastening screws, so that the rotating shaft 2 and the rotor flange 10 rotate synchronously. When the conductive slip ring is installed on equipment, the rotating shaft 2 of the conductive slip ring can be connected with a rotating part of the equipment, and the rotating part of the equipment is utilized to drive the rotating shaft 2 to rotate; and the slip ring shell 1 of the conductive slip ring is connected with a fixed part of the equipment, and the slip ring shell 1 is fixed by the fixed part of the equipment, so that the function of transmitting data signals between the rotating part and the fixed part of the equipment is realized by the conductive slip ring.
In order to facilitate the periodic replacement of the silicone oil in the internal cavity 101 of the slip ring housing 1, as shown in fig. 1, an oil drain hole 103 communicating with the internal cavity 101 of the slip ring housing 1 is formed in the slip ring housing 1, and a plug screw 16 is detachably mounted at the oil drain hole 103. Through setting up oil drain hole 103, when the periodic maintenance, use clean silicon oil to change the silicon oil in the internal cavity 101 of conductive sliding ring regularly, prevent that the carbon brush 4 wearing and tearing of conductive sliding ring from causing the deposit of conductive dust in the silicon oil, and then cause short circuit or signal transmission trouble.
Specifically, as shown in fig. 1, a communication port 102 communicating with an internal cavity 101 of the slip ring housing 1 is opened on the tail cover 13 of the slip ring housing 1, and the pressure compensator 5 is connected to the communication port 102 on the tail cover 13. An oil drain hole 103 communicated with the inner cavity 101 of the slip ring shell 1 is formed in the end cover 12 of the slip ring shell 1, and a plug screw 16 is detachably mounted at the oil drain hole 103. Of course, the oil drain holes 103 may be provided on both left and right sides of the slip ring housing 1, that is, the oil drain holes 103 may be provided on the end cover 12 and the tail cover 13 of the slip ring housing 1.
Of course, the structure of the slip ring housing 1 is not limited to the above structure. In another embodiment, the slip ring housing 1 comprises a hollow shell 11, and an end cap 12 and a tail cap 13 respectively mounted at two ends of the hollow shell 11, wherein a third sealing ring 14 is arranged between the end cap 12 and the hollow shell 11, and a fourth sealing ring 15 is arranged between the tail cap 13 and the hollow shell 11. The end cover 12 and the tail cover 13 are both provided with through holes for installing the rotating shaft 2, the rotating shaft 2 is installed in the slip ring shell 1 through the through holes in the end cover 12 and the tail cover 13, bearings 9 are supported between the outer side surface of the rotating shaft 2 and the end cover 12 and between the outer side surface of the rotating shaft 2 and the tail cover 13, the rotating shaft 2 is supported by the bearings 9, and the rotating shaft 2 rotates in the slip ring shell 1. First sealing rings 3 are arranged between the outer side face of the rotating shaft 2 and the end cover 12 and between the outer side face of the rotating shaft 2 and the tail cover 13, so that a sealed inner cavity 101 is formed inside the slip ring shell 1, and silicone oil filled in the inner cavity 101 is prevented from leaking outwards.
Example 2
This embodiment is different from embodiment 1 in that the structure of the pressure compensator 5 is different. As shown in fig. 2, the pressure compensator 5 includes a compensator housing 53 and a piston 54, the compensator housing 53 has an opening, the piston 54 is movably mounted on the compensator housing 53 and closes the opening of the compensator housing 53, the compensator housing 53 and the piston 54 together enclose an oil storage chamber 50, and the compensator housing 53 is provided with a connecting structure which is communicated with the oil storage chamber 50 and is used for connecting a communication port 102 on the slip ring housing 1.
In the present embodiment, when the electrical slip ring is operated underwater, assuming that the operating water depth is now 10 meters, the exterior of the electrical slip ring is subjected to a water pressure of 0.98bar, and the first sealing ring 3 between the outer side surface of the rotating shaft 2 and the slip ring housing 1 is also subjected to a water pressure of 0.98bar penetrating to the interior. At this time, the pressure compensator 5 works, and the outer surface contact surface of the pressure compensator 5 also bears the hydraulic thrust of 0.98bar pressure, so as to push the piston 54 of the pressure compensator 5 to move towards the inner cavity of the compensator housing 53, so that the oil pressure compensation medium in the pressure compensator 5 (for example, the oil storage cavity 50 of the pressure compensator 5 is filled with insulating non-conductive silicone oil as the oil pressure compensation medium) enters the inner cavity 101 of the slip ring housing 1 through the communication port 102 on the slip ring housing 1; when the internal and external pressures of the oil storage chamber 50 of the pressure compensator 5 are equal, the piston 54 stops moving, and in this state, the pressure of the water outside the first seal ring 3 is equal to the pressure of the oil in the internal chamber 101 of the conductive slip ring, and the penetration of the water outside into the internal chamber 101 of the conductive slip ring is stopped, so that clean silicone oil is ensured in the internal chamber 101. When the conductive slip ring continuously sinks to work, the external water pressure can be changed continuously, at the moment, the pressure in the inner cavity 101 of the conductive slip ring is changed synchronously, and the external water pressure and the oil pressure in the inner cavity 101 of the conductive slip ring are always in a balanced state, so that no water penetrates into the conductive slip ring when the conductive slip ring works underwater for a long time, and the safety and reliability of the conduction and data transmission of the carbon brush 4 of the conductive slip ring are further ensured.
In order to ensure the sealing performance of the piston 54 and the compensator housing 53 when the piston 54 moves relative to the compensator housing 53, as shown in fig. 2, an outer groove 541 is formed on the outer peripheral surface of the piston 54, a second seal ring 55 is mounted in the outer groove 541, the second seal ring 55 is in contact sealing with the inner side surface of the compensator housing 53, and the second seal ring 55 ensures the sealing performance between the piston 54 and the compensator housing 53, thereby preventing the leakage of the hydraulic pressure compensation medium in the oil storage chamber 50 of the pressure compensator 5.
In order to prevent the piston 54 from being removed from the opening of the compensator housing 53 during the movement, as shown in fig. 2, an inner groove 531 is formed on the inner side surface of the opening end of the compensator housing 53, a snap spring 56 is installed in the inner groove 531, and the snap spring 56 is used for limiting the piston 54 to be removed from the opening of the compensator housing 53.
In order to connect the compensator housing 53 of the pressure compensator 5 with the slip ring housing 1, as shown in fig. 2, a connecting structure for connecting with the communication port 102 is provided on the compensator housing 53, the connecting structure is a hollow convex column 532 with an external thread, a hollow cavity of the hollow convex column 532 is communicated with the oil storage cavity 50, and the hollow convex column 532 is inserted into the communication port 102 and is fixedly connected with the communication port 102 through a thread. And a threaded connection structure is adopted, so that the pressure compensator 5 and the slip ring shell 1 are convenient to assemble, and the firm connection between the pressure compensator and the slip ring shell is ensured. In order to facilitate the smooth insertion of the hollow convex column 532 into the communication opening 102 of the slip ring housing 1, a tapered structure with a gradually decreasing section radius along the insertion direction of the hollow convex column 532 may be designed on the hollow convex column 532.
To sum up, the utility model provides a slide ring is led in underwater work through connecting pressure compensator 5 on the slide ring that leads, can change the oil pressure in the inside cavity 101 of slide ring according to the depth of water changes automatically, makes the inside cavity 101 internal pressure of slide ring and outside depth of water pressure be in balanced state of leading to ensure that outside water can not flow into in the inside cavity 101 of slide ring that leads to for this slide ring is led to the applicable use in the submarine operating mode of deep sea.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. An underwater conductive slip ring, comprising:
a slip ring housing (1);
the rotating shaft (2) is rotatably arranged in the slip ring shell (1), the outer side surface of the rotating shaft (2) and the slip ring shell (1) are sealed through a first sealing ring (3), and a sealed inner cavity (101) is formed inside the slip ring shell (1);
the carbon brush (4) is arranged in the internal cavity (101), and the carbon brush (4) is in mutual contact with the outer side face of the rotating shaft (2); and
pressure compensator (5) install on sliding ring casing (1), pressure compensator (5) have oil storage chamber (50), it has oil pressure compensation medium to fill in oil storage chamber (50), seted up on sliding ring casing (1) with intercommunication mouth (102) of inside cavity (101) intercommunication, oil storage chamber (50) pass through intercommunication mouth (102) with inside cavity (101) intercommunication.
2. The underwater conductive slip ring of claim 1,
pressure compensator (5) are including elasticity oil storage bag (51) and oil filling mouth (52), elasticity oil storage bag (51) have oil storage chamber (50) and with the opening of oil storage chamber (50) intercommunication, oil filling mouth (52) are connected the opening part of elasticity oil storage bag (51), oil filling mouth (52) with intercommunication mouth (102) are connected.
3. The underwater conductive slip ring of claim 2,
the elastic oil storage bag (51) is a rubber oil storage bag which is constructed into a spherical shape or an ellipsoidal shape.
4. The underwater conductive slip ring of claim 2,
the oil filling nozzle (52) is a metal oil filling nozzle, and the metal oil filling nozzle is inserted into the communication opening (102) and is fixedly connected with the communication opening (102) in a threaded manner.
5. The underwater conductive slip ring of claim 1,
pressure compensator (5) include compensator casing (53) and piston (54), compensator casing (53) have the opening, piston (54) movable mounting just seal on compensator casing (53) the opening of compensator casing (53), compensator casing (53) with piston (54) enclose jointly and become oil storage chamber (50), be equipped with on compensator casing (53) with oil storage chamber (50) intercommunication just is used for connecting the connection structure of intercommunication mouth (102).
6. The underwater conductive slip ring of claim 5,
an outer groove (541) is formed in the outer peripheral surface of the piston (54), a second sealing ring (55) is installed in the outer groove (541), and the second sealing ring (55) is abutted and sealed with the inner side surface of the compensator shell (53).
7. The underwater conductive slip ring of claim 5,
an inner groove (531) is formed in the inner side surface of the opening end of the compensator shell (53), a clamp spring (56) is installed in the inner groove (531), and the clamp spring (56) is used for limiting the piston (54) to be separated from the opening of the compensator shell (53).
8. The underwater conductive slip ring of claim 5,
the connecting structure is a hollow convex column (532) with an external thread, and the hollow convex column (532) is inserted into the communication port (102) and is fixedly connected with the communication port (102) in a threaded manner.
9. Underwater working conductive slip ring according to any of claims 1-8,
the slip ring shell (1) comprises a hollow shell (11), and an end cover (12) and a tail cover (13) which are respectively installed at two ends of the hollow shell (11), wherein a third sealing ring (14) is arranged between the end cover (12) and the hollow shell (11), and a fourth sealing ring (15) is arranged between the tail cover (13) and the hollow shell (11); wherein,
a through hole for mounting the rotating shaft (2) is formed in the end cover (12), the first sealing ring (3) is arranged between the outer side surface of the rotating shaft (2) and the end cover (12), and the tail cover (13) seals an opening at one end of the hollow shell (11); or
The end cover (12) with all be equipped with on tail-hood (13) and be used for the installation the through-hole of pivot (2), the lateral surface of pivot (2) with between end cover (12), the lateral surface of pivot (2) with all be equipped with between tail-hood (13) first sealing washer (3).
10. Underwater working conductive slip ring according to any of claims 1-8,
an oil drain hole (103) communicated with the inner cavity (101) is formed in the slip ring shell (1), and a plug screw (16) is detachably mounted at the oil drain hole (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921299329.7U CN210201119U (en) | 2019-08-12 | 2019-08-12 | Underwater working conductive slip ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921299329.7U CN210201119U (en) | 2019-08-12 | 2019-08-12 | Underwater working conductive slip ring |
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| Publication Number | Publication Date |
|---|---|
| CN210201119U true CN210201119U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921299329.7U Active CN210201119U (en) | 2019-08-12 | 2019-08-12 | Underwater working conductive slip ring |
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| Country | Link |
|---|---|
| CN (1) | CN210201119U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739832A (en) * | 2021-09-02 | 2021-12-03 | 中山大学 | Plug-type underwater sensor protection device |
| CN113739833A (en) * | 2021-09-02 | 2021-12-03 | 中山大学 | Torsion type underwater sensor protection device |
| CN115425488A (en) * | 2022-09-29 | 2022-12-02 | 深圳市晶沛电子有限公司 | Slip ring suitable for underwater equipment |
-
2019
- 2019-08-12 CN CN201921299329.7U patent/CN210201119U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739832A (en) * | 2021-09-02 | 2021-12-03 | 中山大学 | Plug-type underwater sensor protection device |
| CN113739833A (en) * | 2021-09-02 | 2021-12-03 | 中山大学 | Torsion type underwater sensor protection device |
| CN115425488A (en) * | 2022-09-29 | 2022-12-02 | 深圳市晶沛电子有限公司 | Slip ring suitable for underwater equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Underwater working conductive slip ring Effective date of registration: 20210713 Granted publication date: 20200327 Pledgee: Bank of Jiangsu Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: WUXI AIKE SEALING TECHNOLOGY Co.,Ltd. Registration number: Y2021320010250 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |