Underwater slip ring protection device

Abstract

The utility model relates to the technical field of underwater operation equipment, in particular to an underwater slip ring protection device which comprises a supporting frame, a slip ring underwater protection mechanism for protecting a slip ring to be used underwater is arranged on the supporting frame, and the slip ring underwater protection mechanism comprises a slip ring cabin body, a slip ring cabin upper cover, a rotary supporting seat, a slewing bearing and an electro-hydraulic slip ring. The lower end of the slip ring cabin body is in sealed rotary connection with the rotary supporting seat through a slewing bearing, an isolation space is formed among the slip ring cabin upper cover, the slip ring cabin body and the rotary supporting seat, hydraulic oil is filled in the isolation space, an electro-hydraulic slip ring is arranged in the isolation space, and a first pipeline is arranged in the slip ring cabin body in a penetrating mode. The first pipeline is provided with an optical fiber slip ring connection protection mechanism, the optical fiber slip ring connection protection mechanism comprises an optical fiber, an optical fiber slip ring, an upper optical fiber interface, an optical fiber upper junction box, an optical fiber lower junction box and an optical fiber slip ring protection shell, the structure is novel, the electro-hydraulic slip ring and the optical slip ring can be used underwater, and the communication quality is high.

Description

Technical Field

[0001] The utility model relates to the technical field of underwater operation equipment, in particular to an underwater slip ring protection device. Background Technique

[0002] Existing electric slip rings are generally only used on the road surface. For example, Chinese Patent CN115753223A discloses a shipborne large-scale deep-sea water collection system and method, including a winch for retracting and releasing an optoelectronic composite water pipe; the end of the optoelectronic composite water pipe is connected to an underwater device, and the underwater device includes a power supply cabin, a submersible pump, a measurement and control cabin, and a sensor module; the power supply cabin is used to supply power to the submersible pump, the measurement and control cabin, and the sensor module; the submersible pump is used to pump seawater; the sensor module is integrated on the submersible pump and is used to monitor the seawater quality and the state of the submersible pump; the measurement and control cabin is connected to the sensor module; the optoelectronic composite water pipe includes a water pipe in the center, a first steel wire ring wrapping the water pipe, a rubber ring wrapping the first steel wire coil, a second steel wire ring wrapping the rubber ring, and a cable sheath wrapping the second steel wire ring, and a cable and an optical fiber are arranged in the rubber ring; wherein, the water pipe is connected to the water outlet of the submersible pump, the cable is connected to the power supply cabin, and the optical fiber is connected to the measurement and control cabin; an optoelectronic liquid slip ring is arranged on the winch, and the optoelectronic liquid slip ring is used to convert the optical fiber, cable, and water pipe of the relatively rotating optoelectronic composite water pipe on the winch into a relatively fixed optical fiber interface, cable interface, and water pipe interface; the water pipe interface is used to connect to a water storage tank; the optical fiber interface is used to connect to a host computer; the cable interface is used to connect to a power supply. The deficiencies of the above patent are as follows: the optoelectronic liquid slip ring in the above patent is arranged on the winch, and the winch is arranged on the ship. Due to the effects of water vapor, salt spray, and underwater pressure, existing electric slip rings cannot be used underwater. Second, due to reasons such as water vapor and underwater pressure, optical fiber slip rings cannot be used underwater either. Summary of the Invention

[0003] The purpose of the utility model is to solve the deficiencies of the existing technology and provide an underwater slip ring protection device with novel structure, where both the electro-hydraulic slip ring and the smooth ring can be used underwater and have high communication quality.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is:

[0005] An underwater slip ring protection device, characterized in that: it includes a support frame, and a slip ring underwater protection mechanism for protecting the slip ring to be used underwater is arranged on the support frame, and the slip ring underwater protection mechanism is connected to the support frame.

[0006] The slip ring underwater protection mechanism of the present utility model includes a slip ring cabin body, a slip ring cabin upper cover, a rotating support seat, a slewing bearing, and an electro-hydraulic slip ring. The slip ring cabin body is provided on the support frame. The slip ring cabin upper cover is fixedly provided at the upper end of the slip ring cabin body. The rotating support seat is provided below the slip ring cabin body. The slip ring cabin body is fixedly connected to the support frame. The lower end of the slip ring cabin body is hermetically and rotatably connected to the rotating support seat through the slewing bearing. An isolation space is formed between the slip ring cabin upper cover, the slip ring cabin body, and the rotating support seat. The isolation space is filled with hydraulic oil. An electro-hydraulic slip ring is provided in the isolation space. The slip ring cabin upper cover is fixedly provided with an upper hydraulic joint and an upper electrical watertight joint. The rotating support seat is fixedly provided with a lower hydraulic joint and a lower electrical watertight joint. The upper part of the electro-hydraulic slip ring is connected to the slip ring cabin body, and the lower part is connected to the rotating support seat. One end of the electro-hydraulic slip ring is connected to the upper hydraulic joint through a pipeline, and the other end is connected to the lower hydraulic joint through a pipeline. The lead wire at one end of the electro-hydraulic slip ring is connected to the upper electrical watertight joint, and the lead wire at the other end is connected to the lower electrical watertight joint, so as to protect the electro-hydraulic slip ring through the isolation space, avoid the influence of water vapor and salt spray on the electro-hydraulic slip ring, and at the same time facilitate the transmission of electrical and hydraulic signals through the electro-hydraulic slip ring.

[0007] A first pipeline is passed through the slip ring cabin body of the present utility model. The upper end of the first pipeline passes through the slip ring cabin body to form a free connection end. The upper end of the first pipeline is hermetically and fixedly connected to the slip ring cabin upper cover. The lower end of the first pipeline extends out of the rotating support seat and is provided with a second pipeline. The lower end of the first pipeline is hermetically and rotatably connected to the rotating support seat. The first pipeline is hermetically and rotatably connected to the second pipeline. The electro-hydraulic slip ring is sleeved on the first pipeline. The upper part of the electro-hydraulic slip ring is connected to the slip ring cabin body, and the lower part is connected to the rotating support seat. By setting the first pipeline, the first pipeline is arranged through the isolation space, and the diameter of the first pipeline can be set larger, thereby improving the mud conveying volume and conveying efficiency.

[0008] The utility model discloses a first pipeline provided with an optical fiber slip ring connection protection mechanism, the optical fiber slip ring connection protection mechanism comprises an optical fiber, an optical fiber slip ring, an upper optical fiber interface, an optical fiber upper junction box, an optical fiber lower junction box, and an optical fiber slip ring protective shell. An optical fiber and an optical fiber slip ring are passed through the first pipeline, an upper through hole of the optical fiber protective shell is provided on the side wall of the first pipeline, and a lower through hole of the optical fiber protective shell is provided on the second pipeline. The optical fiber comprises a first optical fiber and a second optical fiber, the first optical fiber is placed in the first optical fiber protective shell, the second optical fiber is placed in the second optical fiber protective shell, the lower end of the first optical fiber is connected to the upper end of the second optical fiber via the optical fiber slip ring, the upper end of the first optical fiber passes through the upper through hole of the optical fiber protective shell and enters the isolation space provided with an optical fiber upper junction box, the first optical fiber passes through the optical fiber upper junction box The optical fiber interface is connected to the upper optical fiber interface, and the upper optical fiber interface is fixed on the upper cover of the slip ring cabin. The lower end of the second optical fiber slip ring passes through the lower perforation of the optical fiber protective shell and is connected to the lower optical fiber interface through the lower optical fiber junction box. An optical fiber slip ring protective shell is arranged on the outer side of the optical fiber slip ring. The upper end of the first optical fiber protective shell passes through the upper perforation of the optical fiber protective shell and is fixedly connected to the upper optical fiber junction box, and the lower end is rotationally sealed and connected to the optical fiber slip ring protective shell. The first optical fiber protective shell is sealed and fixedly connected to the first pipeline. The lower end of the optical fiber slip ring protective shell is sealed and fixedly connected to the second optical fiber protective shell. The second optical fiber protective shell passes through the lower perforation of the optical fiber protective shell and is fixedly connected to the lower optical fiber junction box. The second optical fiber protective shell is sealed and fixedly connected to the second pipeline, so as to protect the optical fiber slip ring through the first pipeline to prevent the optical fiber slip ring from being affected by water and oil.

[0009] The utility model discloses that the upper cover of the slip ring cabin is fixedly provided with a hydraulic oil filling port and an exhaust port, and the rotating support seat is fixedly provided with an oil drain port, which is convenient for replenishing the hydraulic oil for the isolation space as needed. The oil drain port is convenient for the operator to manually drain the oil as needed, and the exhaust port is used for exhausting the air when adding the hydraulic oil.

[0010] The utility model adopts the above structure, has the advantages of novel structure, the electro-hydraulic slip ring and the smooth ring can be used underwater, and the communication quality is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model.

[0012] Figure 2 This utility model Figure 1 Upper enlarged image.

[0013] Figure 3 This utility model Figure 1 Enlarged view of the lower part.

[0014] Figure numerals: support frame 7, second pipeline 29, slip ring underwater protection mechanism 31, slip ring cabin body 32, slip ring cabin upper cover 33, rotating support seat 34, slewing bearing 35, first pipeline 36, optical fiber 37, optical fiber slip ring 38, electro-hydraulic slip ring 39, first optical fiber protective shell 40, second optical fiber protective shell 41, optical fiber upper junction box 42, optical fiber lower junction box 43, optical fiber slip ring protective shell 44, isolation space 45, hydraulic oil filling port 46, exhaust port 47, upper hydraulic joint 48, upper electrical watertight joint 49, upper optical fiber interface 50, oil drain port 51, lower hydraulic joint 52, lower electrical watertight joint 53, first optical fiber 54, second optical fiber 55, lower optical fiber interface 56, electro-hydraulic slip ring upper seat 57, electro-hydraulic slip ring lower seat 58. DETAILED DESCRIPTION

[0015] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings.

[0016] An underwater slip ring protection device, characterized in that: it comprises a support frame 7, on which a slip ring underwater protection mechanism 31 is provided, the slip ring underwater protection mechanism 31 comprises a slip ring cabin body 32, a slip ring cabin upper cover 33, a rotating support seat 34, a slewing bearing 35, a first pipeline 36, an optical fiber 37, an optical fiber slip ring 38, an electro-hydraulic slip ring 39, a first optical fiber protective shell 40, a second optical fiber protective shell 41, an optical fiber upper junction box 42, an optical fiber lower junction box 43, and an optical fiber slip ring protective shell 44, the support frame 7 is provided with a slip ring cabin body 32, the slip ring cabin body 32 is provided with a slip ring cabin upper cover 33 at the upper end, a rotating support seat 34 is provided below the slip ring cabin body 32, the slip ring cabin body 32 is fixedly connected to the support frame 7, and the slip ring cabin body 3 2 The upper end is fixedly connected to the upper cover 33 of the slip ring cabin, and the lower end is sealed and rotatably connected to the rotating support seat 34 through the slewing bearing 35. A first pipeline 36 is passed through the cabin body 32 of the slip ring cabin. The upper end of the first pipeline 36 extends out of the cabin cover 33 of the slip ring cabin to form a free connection end. The first pipeline 36 is sealed and fixedly connected to the upper cover 33 of the slip ring cabin. The lower end of the first pipeline 36 extends out of the rotating support seat 34 to be provided with a second pipeline 29. The first pipeline 36 is sealed and rotatably connected to the rotating support seat 34. The first pipeline 36 is rotatably and sealably connected to the second pipeline 29. An optical fiber 37 and an optical fiber slip ring 38 are passed through the first pipeline 36. An upper through hole of the optical fiber protective shell is provided on the side wall of the first pipeline 36, and a lower through hole of the optical fiber protective shell is provided on the second pipeline 29.

[0017] An isolation space 45 is formed between the upper cover 33 of the slip ring cabin, the cabin body 32 of the slip ring cabin, the outer wall of the first pipeline 36, and the rotary support base 34. The isolation space 45 is filled with hydraulic oil. An electro-hydraulic slip ring 39 is provided in the isolation space 45. The upper cover 33 of the slip ring cabin is fixedly provided with a hydraulic oil filling port 46, an exhaust port 47, an upper hydraulic joint 48, an upper electrical watertight joint 49, and an upper optical fiber interface 50. The rotary support base 34 is fixedly provided with an oil drain port 51, a lower hydraulic joint 52, and a lower electrical watertight joint 53. The optical fiber 37 includes a first optical fiber 54 and a second optical fiber 55. The first optical fiber 54 is placed in the first optical fiber housing 40, and the second optical fiber 55 is placed in the second optical fiber housing 41. The lower end of the first optical fiber 54 is connected to the upper end of the second optical fiber 55 through an optical fiber slip ring 38. The upper end of the first optical fiber 54 passes through a through hole on the optical fiber housing and enters the isolation space 45 where there is an optical fiber upper junction box 42. The first optical fiber 54 is connected to the upper optical fiber interface 50 through the optical fiber upper junction box 42. The lower end of the second optical fiber slip ring 38 passes through a through hole on the lower part of the optical fiber housing and is connected to a lower optical fiber interface 56 through an optical fiber lower junction box 43. An optical fiber slip ring housing 44 is provided outside the optical fiber slip ring 38. The upper end of the first optical fiber housing 40 passes through the through hole on the optical fiber housing and is fixedly connected to the optical fiber upper junction box 42, and the lower end is rotationally and sealingly connected to the optical fiber slip ring housing 44. The first optical fiber housing 40 is sealingly and fixedly connected to the first pipeline 36. The lower end of the optical fiber slip ring housing 44 is sealingly and fixedly connected to the second optical fiber housing 41.

[0018] The second optical fiber housing 41 passes through the through hole on the lower part of the optical fiber housing and is fixedly connected to the optical fiber lower junction box 43. The second optical fiber housing 41 is sealingly and fixedly connected to the second pipeline 29. The electro-hydraulic slip ring 39 is sleeved on the first pipeline 36. The upper part of the electro-hydraulic slip ring 39 is fixedly connected to the cabin body 32 of the slip ring cabin through an electro-hydraulic slip ring upper seat 57, and the lower part of the electro-hydraulic slip ring 39 is fixedly connected to the rotary support base 34 through an electro-hydraulic slip ring lower seat 58. One end of the electro-hydraulic slip ring 39 is connected to the upper hydraulic joint 48 through a pipeline, and the other end is connected to the lower hydraulic joint 52 through a pipeline. One end of the lead wire of the electro-hydraulic slip ring 39 is connected to the upper electrical watertight joint 49, and the other end of the lead wire is connected to the lower electrical watertight joint 53, so as to protect the electro-hydraulic slip ring for underwater use through the isolation space and protect the optical fiber slip ring for underwater use through the first pipeline.

[0019] As shown in the appendix Figures 1-3 , the utility model can be installed on an underwater robot or underwater operation equipment for use in connecting two relatively rotatable components. Comparing the frame and the robot at the lower end of the frame, the support frame 7 can be the frame, or the support frame 7 is fixed to the frame, and the rotary support base 34 is connected to the robot at the lower end of the frame. The slewing bearing 35 is driven by a driving cylinder, and thus can drive the robot to rotate relative to the frame.

[0020] An upper control system and an upper hydraulic system can be arranged on the support frame 7. The upper control system is, for example, a PLC control system. The upper hydraulic system is connected to the upper control system. The upper electrical watertight joint 49 and the upper optical fiber interface 50 are connected to the upper control system. The upper hydraulic interface 48 and the hydraulic oil filling port 46 are connected to the upper hydraulic system.

[0021] A robot control system and a robot hydraulic system are arranged on the robot. The robot control system is, for example, a PLC control system. The robot hydraulic system is connected to the robot control system.

[0022] The lower electrical watertight joint 53 and the lower optical fiber interface 56 are connected to the robot control system. The lower hydraulic joint 52 is connected to the robot hydraulic system.

[0023] In this way, through the present utility model, the optical, electrical, and hydraulic signal connections between the robot and the frame are realized. Moreover, the robot can operate underwater. In addition, the present utility model is provided with a first pipeline 36 and a second pipeline 29. The robot can be an underwater dredging robot. For example, a cutter suction head is installed at the front end of the robot. The second pipeline 29 is arranged towards the cutter suction head. The upper end of the first pipeline 36 can be connected to a driving pump. In this way, the mud dug out by the robot can be sucked out. During use, it can be set according to requirements.

[0024] In the present utility model, the electro-hydraulic slip ring 39 is arranged in the isolation space 45, avoiding the influence of water vapor and salt spray. The optical fiber slip ring 38 of the present utility model is arranged in the first pipeline 36 through the optical fiber slip ring housing 44, improving the compressive resistance of the optical fiber slip ring. Moreover, on the premise of ensuring the communication quality, the inner diameter of the first pipeline 36 of the present utility model can be set larger, realizing the mud transportation of a large pipeline.

[0025] Due to the adoption of the above structure, the present utility model has the advantages of novel structure, the electro-hydraulic slip ring and the optical fiber slip ring can both be used underwater, and high communication quality.

Claims

1. An underwater slip ring protection device, comprising a support frame (7), characterized in that: The support frame (7) is provided with a slip ring underwater protection mechanism (31) for protecting the slip ring when used underwater, and the slip ring underwater protection mechanism (31) is connected to the support frame (7).

2. The underwater slip ring protection device according to claim 1, characterized in that: The slip ring underwater protection mechanism (31) comprises a slip ring cabin body (32), a slip ring cabin upper cover (33), a rotating support seat (34), a slewing bearing (35), and an electro-hydraulic slip ring (39); the slip ring cabin body (32) is provided on the support frame (7); the slip ring cabin upper cover (33) is fixedly provided on the upper end of the slip ring cabin body (32); a rotating support seat (34) is provided below the slip ring cabin body (32); the slip ring cabin body (32) is fixedly connected to the support frame (7); the lower end of the slip ring cabin body (32) is sealingly rotatably connected to the rotating support seat (34) via the slewing bearing (35); an isolation space (45) is formed between the slip ring cabin upper cover (33), the slip ring cabin body (32), and the rotating support seat (34); the isolation space (45) is provided between the slip ring cabin upper cover (33), the slip ring cabin body (32), and the rotating support seat (34); The space (45) is filled with hydraulic oil, an electro-hydraulic slip ring (39) is arranged in the isolation space (45), an upper hydraulic joint (48) and an upper electrical watertight joint (49) are fixedly arranged on the slip ring cabin upper cover (33), a lower hydraulic joint (52) and a lower electrical watertight joint (53) are fixedly arranged on the rotating support seat (34), an upper portion of the electro-hydraulic slip ring (39) is connected to the slip ring cabin body (32), and a lower portion is connected to the rotating support seat (34), one end of the electro-hydraulic slip ring (39) is connected to the upper hydraulic joint (48) via a pipeline, and the other end is connected to the lower hydraulic joint (52) via a pipeline, a lead wire at one end of the electro-hydraulic slip ring (39) is connected to the upper electrical watertight joint (49), and a lead wire at the other end is connected to the lower electrical watertight joint (53).

3. The underwater slip ring protection device according to claim 2, characterized in that: A first pipeline (36) is provided in the slip ring cabin body (32), the upper end of the first pipeline (36) passes through the slip ring cabin body (32) to form a free connection end, the upper end of the first pipeline (36) is sealed and fixedly connected to the slip ring cabin upper cover (33), the lower end of the first pipeline (36) extends out of the rotating support seat (34) and is provided with a second pipeline (29), the lower end of the first pipeline (36) is sealed and rotatably connected to the rotating support seat (34), the first pipeline (36) and the second pipeline (29) are rotatably and sealably connected, the electro-hydraulic slip ring (39) is sleeved on the first pipeline (36), the upper part of the electro-hydraulic slip ring (39) is connected to the slip ring cabin body (32), and the lower part of the electro-hydraulic slip ring (39) is connected to the rotating support seat (34).

4. The underwater slip ring protection device according to claim 3, characterized in that: The first pipeline (36) is provided with an optical fiber slip ring connection protection mechanism, the optical fiber slip ring connection protection mechanism comprising an optical fiber (37), an optical fiber slip ring (38), an upper optical fiber interface (50), an optical fiber upper junction box (42), an optical fiber lower junction box (43), and an optical fiber slip ring protective shell (44). The first pipeline (36) is provided with an optical fiber (37) and an optical fiber slip ring (38). An optical fiber upper through hole is provided on a side wall of the first pipeline (36). The second pipeline (29) is provided with an optical fiber protective shell lower through hole. The optical fiber (37) comprises a first optical fiber (54) and a second optical fiber (55). The first optical fiber (54) is arranged in the first optical fiber protective shell (40), and the second optical fiber (55) is arranged in the second optical fiber protective shell (41). The lower end of the first optical fiber (54) is connected to the upper end of the second optical fiber (55) via the optical fiber slip ring (38). The upper end of the first optical fiber (54) passes through the optical fiber protective shell upper through hole and enters the isolation space (45) provided with an optical fiber upper junction box. The first optical fiber (54) is connected to an upper optical fiber interface (50) via an upper optical fiber connection box (42); the upper optical fiber interface (50) is fixed to an upper cover (33) of a slip ring cabin; the lower end of the second optical fiber slip ring (38) passes through a lower through hole of an optical fiber protective shell and is connected to a lower optical fiber interface (56) via a lower optical fiber connection box (43); an optical fiber slip ring protective shell (44) is provided on the outer side of the optical fiber slip ring (38); the upper end of the first optical fiber protective shell (40) passes through an upper through hole of the optical fiber protective shell The optical fiber protective shell (40) is fixedly connected to the upper optical fiber junction box (42), and the lower end is rotatably sealed and connected to the optical fiber slip ring protective shell (44). The first optical fiber protective shell (40) is sealed and fixedly connected to the first pipeline (36). The lower end of the optical fiber slip ring protective shell (44) is sealed and fixedly connected to the second optical fiber protective shell (41). The second optical fiber protective shell (41) passes through the lower hole of the optical fiber protective shell and is fixedly connected to the lower optical fiber junction box (43). The second optical fiber protective shell (41) is sealed and fixedly connected to the second pipeline (29).

5. An underwater slip ring protection device according to claim 2, 3 or 4, characterized in that: The slip ring cabin upper cover (33) is fixedly provided with a hydraulic oil filling port (46) and an exhaust port (47), and the rotating support seat (34) is fixedly provided with an oil drain port (51).

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