Hydraulic air slip ring

Abstract

The utility model relates to the technical field of slip rings, and discloses a hydraulic air slip ring which comprises a shell, a rotating shaft is arranged on the shell in a 360-degree rotating mode, a liquid inlet is formed in one side of the shell, a liquid outlet is formed in the rotating shaft, an air inlet is formed in one side of the shell, an air outlet is formed in the rotating shaft, air is input from the air inlet, and the liquid outlet is communicated with the air inlet. And the air is discharged from the air outlet. According to the utility model, a user can independently convey gas or liquid or convey the gas and the liquid at the same time according to actual conditions, so that the universality of the slip ring is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of slip rings, in particular to a hydraulic air slip ring. Background Art

[0002] High temperature gas-liquid slip ring is used to directly transfer liquid between fixed parts and rotating parts. It consists of a fixed part and a rotating part. The fixed part is provided with a liquid inlet and the rotating part is provided with a liquid outlet for liquid transmission. When the rotating part starts to rotate, the liquid inlet will send the liquid from the fixed part to the rotating part. The liquid in the rotating part will continue to flow along the pipeline until it reaches the liquid outlet and meets again here. The liquid outlet will send the liquid from the rotating part back to the fixed part.

[0003] However, in the prior art, the slip ring can only transport liquids. When used in some specific occasions, it is also necessary to transport gases. This needs to be further improved.

[0004] Therefore, based on the above technical problems, it is necessary for technicians in this field to develop a hydraulic air slip ring. Utility Model Content

[0005] The utility model aims to provide a hydraulic air slip ring to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A hydraulic air slip ring comprises a rotating shaft, a shell is arranged on the rotating shaft for 360° rotation, a liquid inlet is arranged on one side of the rotating shaft, a liquid outlet is arranged on the shell, an air inlet is arranged on one side of the rotating shaft, an air outlet is arranged on the shell, a ventilation pipe is arranged on the shell with one end connected to the air inlet and the other end connected to the air outlet, gas is input from the air inlet and discharged from the air outlet.

[0008] As a preferred technical solution, a plurality of fixing grooves are provided on the inner wall of the rotating shaft, the plurality of fixing grooves are arranged along the length direction of the rotating shaft, and sealing rings are installed in the plurality of fixing grooves.

[0009] As a preferred technical solution, the plurality of sealing rings are all high temperature resistant fluororubber O-rings.

[0010] As a preferred technical solution, hydraulic joints are installed in both the liquid inlet and the liquid outlet.

[0011] As a preferred technical solution, air joints are installed in both the air outlet and the air inlet.

[0012] As a preferred technical solution, two bearings are installed in the housing, and the rotating shaft is installed in the two bearings.

[0013] As a preferred technical solution, a limit cover is installed in the rotating shaft.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: (1) when gas needs to be transported, the gas inlet and outlet are used for transport, and the user can transport gas or liquid alone, or transport gas and liquid at the same time according to the actual situation, thereby increasing the versatility of the slip ring.

[0015] (2) The use of slip rings can prevent the liquid inlet pipe and the air inlet pipe from getting entangled during the rotation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of a hydraulic air slip ring;

[0017] Figure 2 A schematic diagram of a hydraulic air slip ring explosion structure.

[0018] In the accompanying drawings: 1. housing; 2. rotating shaft; 3. liquid inlet; 4. air inlet; 5. air outlet; 6. fixing groove; 7. sealing ring; 8. hydraulic joint; 9. air joint; 10. bearing; 11. limiting cover; 12. liquid outlet; 13. ventilation duct. DETAILED DESCRIPTION

[0019] The features and exemplary embodiments of various aspects of the present invention will be described in detail below. In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. For those skilled in the art, the present invention can be implemented without the need for some of these specific details. The following description of the embodiments is only intended to provide a better understanding of the present invention by illustrating examples of the present invention.

[0020] like Figure 1-2 As shown, the utility model provides a technical solution for a hydraulic air slip ring: comprising a housing 1, the housing 1 is cylindrical in shape, two bearings 10 are symmetrically installed in the housing 1, a rotating shaft 2 is installed in the two bearings 10, the rotating shaft 2 rotates concentrically with the housing 1, so that relative movement can occur between the rotating shaft 2 and the housing 1, when in use, the housing 1 is fixed at a preset position, and the rotating shaft 2 rotates.

[0021] In this embodiment, a limiting cover 11 is installed in the housing 1. The limiting cover 11 has a limiting function for the bearing 10, thereby reducing the possibility of lateral movement of the bearing.

[0022] A liquid inlet 3 is provided on one side of the shell 1, and a liquid outlet 12 is provided on one side of the rotating shaft 2. Liquid enters from the liquid inlet 3 and is discharged from the liquid outlet 12. An air inlet 4 is provided on one side of the shell 1, and an air outlet 5 is provided on the rotating shaft 2. A ventilation pipe 13 is provided on the rotating shaft 2, with one end connected to the air inlet 4 and the other end connected to the air outlet 5. Similar to the liquid, the gas is input from the air inlet 4 and discharged from the air outlet 5, or it can flow back from the air outlet 5 and be discharged to the outside from the air inlet 4. When gas needs to be transported, the gas is transported through the air inlet 4 and the air outlet 5. According to the actual situation, the user can transport gas or liquid separately, or transport gas and liquid at the same time, which increases the versatility of the slip ring.

[0023] In the utility model, hydraulic joints 8 are installed in the liquid inlet 3 and the liquid outlet, and the liquid is transported through the hydraulic joints 8 ; air joints 9 are installed in the gas outlet 5 and the gas inlet 4, and the gas is transported through the air joints 9 .

[0024] In this embodiment, a plurality of fixing grooves 6 are provided on the inner wall of the rotating shaft 2, and the plurality of fixing grooves 6 are arranged along the length direction of the rotating shaft 2. Sealing rings 7 are installed in the plurality of fixing grooves 6, wherein the sealing rings 7 are all high-temperature resistant fluororubber O-rings. A plurality of sealing rings 7 are provided, which can seal the air inlet 4, the liquid inlet 3 and the two ends to prevent mutual cross-talk and leakage of gas and liquid.

[0025] The working principle of the utility model is as follows: an air inlet 4 and a liquid inlet 3 are provided on the shell 1, and an air outlet 5 and a liquid outlet are provided on the rotating shaft 2 for gas transmission and liquid transmission. The air inlet 4 and the air outlet 5, and the liquid inlet 3 and the liquid outlet are a pair. When the rotating shaft 2 starts to rotate, the air inlet 4 and the air outlet 5 are opposite to each other, and the air inlet 4 sends the gas from the shell 1 into the rotating shaft 2, and the liquid inlet 3 sends the liquid from the shell 1 into the rotating shaft 2. The gas and liquid inside the rotating shaft 2 will continue to flow along the pipeline until they reach the air outlet 5 and the liquid outlet meet again here, and the air outlet 5 sends the gas from the rotating shaft 2 back to the shell 1, and the liquid outlet sends the liquid from the rotating shaft 2 back to the shell 1.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0027] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0028] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0029] According to the embodiments of the present invention as described above, these embodiments do not describe all the details in detail, nor do they limit the present invention to specific embodiments. Obviously, many modifications and changes can be made based on the above description. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that technicians in the relevant technical field can make good use of the present invention and the modified use based on the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A hydraulic air slip ring, comprising a housing (1), a rotating shaft (2) being arranged on the housing (1) so as to rotate 360 ​​degrees, a liquid inlet (3) being provided on one side of the housing (1), and a liquid outlet (12) being provided on the rotating shaft (2), characterized in that: An air inlet (4) is provided on one side of the housing (1), an air outlet (5) is provided on the rotating shaft (2), and an air duct (13) is provided on the rotating shaft (2), one end of the duct being connected to the air inlet (4) and the other end of the duct being connected to the air outlet (5), so that gas is input from the air inlet (4) and discharged from the air outlet (5).

2. A hydraulic air slip ring according to claim 1, characterized in that: A plurality of fixing grooves (6) are provided on the inner wall of the rotating shaft (2), the plurality of fixing grooves (6) are arranged along the length direction of the rotating shaft (2), and sealing rings (7) are installed in the plurality of fixing grooves (6).

3. A hydraulic air slip ring according to claim 2, characterized in that: The plurality of sealing rings (7) are all high temperature resistant fluororubber O-rings.

4. A hydraulic air slip ring according to claim 1, characterized in that: Hydraulic joints (8) are installed in both the liquid inlet (3) and the liquid outlet.

5. A hydraulic air slip ring according to claim 1, characterized in that: Air joints (9) are installed in both the air outlet (5) and the air inlet (4).

6. A hydraulic air slip ring according to claim 1, characterized in that: Two bearings (10) are installed in the housing (1), and the rotating shaft (2) is installed in the two bearings (10).

7. A hydraulic air slip ring according to claim 1, characterized in that: A limit cover (11) is installed on the housing (1).

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