Buffer mechanism for preventing oil supply pipeline from jumping

Abstract

The utility model discloses a buffering mechanism for preventing an oil supply pipeline from jumping disorderly, which comprises a steel pipe, the middle part of the steel pipe is provided with a buffering mechanism, and the buffering mechanism comprises a rubber corrugated pipe, two rubber pipes, two heat shrink tubes and two SAE flanges; the rubber corrugated pipe is connected between the two rubber pipes, the outer surface of the connecting position of the rubber corrugated pipe and the rubber pipes is sleeved with a heat shrink pipe, the heat shrink pipe shrinks after being heated to fixedly connect the rubber corrugated pipe and the rubber pipes, and the ends, away from the direction of the rubber corrugated pipe, of the two rubber pipes are fixedly connected with one end of the steel pipe through SAE flanges respectively. The utility model has the advantages that the rigid requirement on the original material is changed into the flexible requirement, the static and dynamic displacement, vibration and collision strength among the four oil supply pipelines are reduced, the sound generated by the collision of the oil supply pipelines is greatly reduced, the noise is reduced, the maintenance frequency of equipment is reduced, the safety coefficient of the equipment is improved, and the service life of the equipment is prolonged. And the stability of normal operation of the oil supply pipeline is improved.

Description

Technical field:

[0001] The utility model relates to the technical field of oil supply pipelines, in particular to a buffer mechanism for preventing an oil supply pipeline from bouncing around. Background technology:

[0002] The hydraulic pump station includes an oil circuit distributor, on which four reversing valves are arranged, and each reversing valve is fixedly connected to one end of the oil supply pipeline. At present, the oil supply pipeline mainly adopts DN40 steel pipe, which is connected to the pump station with a welding flange to supply oil to the residual pole pressure offline machine.

[0003] The current defects are: during the oil supply process, with the operation of the compressor, there is instability in the internal pressure of the oil supply pipeline, the pipeline vibrates when the equipment is running, and the four oil supply pipelines jump around due to the frequent operation of the equipment, which will cause oil leakage in the welding flange and pipeline, open welding, pipe burst, frequent damage, long maintenance time, long equipment shutdown, and great danger of on-site maintenance. Utility model content:

[0004] The utility model aims to provide a buffer mechanism for preventing an oil supply pipeline from bouncing around, so as to solve the problems raised in the above-mentioned background technology.

[0005] The utility model is implemented by the following technical solutions:

[0006] A buffer mechanism for preventing an oil supply pipeline from bouncing around, comprising a steel pipe, a buffer mechanism installed in the middle of the steel pipe, the buffer mechanism comprising a rubber bellows, two rubber tubes, two heat shrink tubes and two SAE flanges; the rubber bellows is connected between the two rubber tubes, the outer surface of the connection between the rubber bellows and the rubber tubes is sleeved with a heat shrink tube, the heat shrink tube shrinks after heating to fix the rubber bellows and the rubber tubes together, and one end of the two rubber tubes away from the rubber bellows is fixedly connected to one end of the steel pipe via a SAE flange.

[0007] Preferably, the SAE flange includes two split flanges, a full flange pressure plate, two sealing clamps and a sealing ring. The two split flanges and the full flange pressure plate are fixedly connected by bolts. After the two split flanges and the full flange pressure plate are fixedly connected, a groove body is formed inside. The two sealing clamps are clamped to each other and placed inside the groove body, and the sealing ring is fixed in the annular groove between the two sealing clamps.

[0008] Preferably, both of the two sealing clamps are provided with annular grooves, and an annular clamping plate is fixed in the annular groove on one of the sealing clamps, and the annular clamping plate is clamped in the annular groove on the other sealing clamp.

[0009] Preferably, the steel tube and the rubber tube are fixedly clamped between two sealing clamping rings and the inner wall of the groove body respectively.

[0010] The advantages of the utility model are: the rigid requirements on the original material are changed to flexible requirements, the static and dynamic displacement, vibration and collision strength between the four oil supply pipelines are reduced, and the good pressure resistance of the rubber bellows and its own material reasons are utilized to buffer the pressure fluctuation under the action of external force, and at the same time, it can actively absorb and alleviate the displacement and vibration, which greatly reduces the sound generated by the collision of the oil supply pipeline, reduces the generation of noise, reduces the number of equipment maintenance, improves the safety factor of the equipment, and improves the stability of the normal operation of the oil supply pipeline. Description of the drawings:

[0011] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0012] Figure 2 for Figure 1 A top view of

[0013] Figure 3 for Figure 2 Sectional view at point A;

[0014] Figure 4 for Figure 3 The enlarged view of point B in the middle;

[0015] Figure 5 for Figure 3 Enlarged view of point C in the middle;

[0016] Figure 6 for Figure 5 Enlarged view of point D in the middle.

[0017] In the figure: 1. steel pipe, 2. rubber bellows, 3. rubber tube, 4. heat shrink tube, 5. SAE flange, 5.1. split flange, 5.2. full flange pressure plate, 5.3. sealing clamp, 5.31. annular groove, 5.32. annular clamp, 5.4. sealing ring, 6. tank body. Specific implementation method:

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-6 The utility model provides a buffer mechanism technical solution to prevent the oil supply pipeline from bouncing around:

[0020] A buffer mechanism for preventing an oil supply pipeline from bouncing around, comprises a steel pipe 1, a buffer mechanism is installed in the middle of the steel pipe 1, the buffer mechanism comprises a rubber bellows 2, two rubber tubes 3, two heat shrink tubes 4 and two SAE flanges 5; the rubber bellows 2 is connected between the two rubber tubes 3, the outer surface of the connection between the rubber bellows 2 and the rubber tube 3 is sleeved with the heat shrink tube 4, the heat shrink tube 4 shrinks after heating to fix the rubber bellows 2 and the rubber tube 3 together, and the ends of the two rubber tubes 3 away from the rubber bellows 2 are fixedly connected to one end of the steel pipe 1 through the SAE flanges 5 respectively.

[0021] The SAE flange 5 includes two split flanges 5.1, a full flange pressure plate 5.2, two sealing clamps 5.3 and a sealing ring 5.4. The two split flanges 5.1 and the full flange pressure plate 5.2 are fixedly connected by bolts. After the two split flanges 5.1 and the full flange pressure plate 5.2 are fixedly connected, a groove body 6 is formed inside. The two sealing clamps 5.3 are clamped with each other and placed inside the groove body 6. The sealing ring 5.4 is fixed in the annular groove 5.31 between the two sealing clamps 5.3.

[0022] An annular groove 5.31 is formed on both sealing clamp rings 5.3. An annular clamp plate 5.32 is fixed in the annular groove 5.31 on one of the sealing clamp rings 5.3. The annular clamp plate 5.32 is clamped in the annular groove 5.31 on the other sealing clamp ring 5.3.

[0023] The steel pipe 1 and the rubber pipe 3 are respectively fixedly clamped between the two sealing clamp rings 5.3 and the inner wall of the tank body 6, so as to seal the oil supply pipeline.

[0024] The working principle is: the original steel pipe 1 is cut in the middle into two sections, and a buffer mechanism is installed between the two sections of the steel pipe 1. Through the rubber bellows 2 and two rubber tubes 3 on the buffer mechanism, the rigid requirements on the original material are changed to flexible requirements, thereby reducing the static and dynamic displacements and vibrations as well as the collision strength between the four oil supply pipelines. The good pressure resistance of the rubber bellows 2 and its own material can be used to buffer pressure fluctuations under the action of external forces, and at the same time, it can actively absorb and alleviate displacements and vibrations, thereby greatly reducing the sound generated by the collision of the oil supply pipelines, reducing the generation of noise, reducing the number of equipment maintenance times, improving the safety factor of the equipment, and improving the stability of the normal operation of the oil supply pipelines.

[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A buffer mechanism for preventing an oil supply pipeline from bouncing around, comprising a steel pipe (1), Features: A buffer mechanism is installed in the middle of the steel pipe (1), and the buffer mechanism comprises a rubber bellows (2), two rubber tubes (3), two heat shrink tubes (4) and two SAE flanges (5); the rubber bellows (2) is connected between the two rubber tubes (3), and the outer surface of the connection between the rubber bellows (2) and the rubber tube (3) is sleeved with a heat shrink tube (4), and the heat shrink tube (4) shrinks after heating to fix the rubber bellows (2) and the rubber tube (3), and the ends of the two rubber tubes (3) away from the rubber bellows (2) are fixedly connected to one end of the steel pipe (1) through the SAE flanges (5).

2. A buffer mechanism for preventing the oil supply pipeline from bouncing around according to claim 1, Features: The SAE flange (5) comprises two split flanges (5.1), a full flange pressure plate (5.2), two sealing clamping rings (5.3) and a sealing ring (5.4); the two split flanges (5.1) and the full flange pressure plate (5.2) are fixedly connected by bolts; after the two split flanges (5.1) and the full flange pressure plate (5.2) are fixedly connected, a groove body (6) is formed inside; the two sealing clamping rings (5.3) are mutually clamped and placed inside the groove body (6); and the sealing ring (5.4) is fixed in an annular groove (5.31) between the two sealing clamping rings (5.3).

3. A buffer mechanism for preventing the oil supply pipeline from bouncing around according to claim 2, Features: Both sealing clamp rings (5.3) are provided with an annular groove (5.31), and an annular clamp plate (5.32) is fixed in the annular groove (5.31) on one of the sealing clamp rings (5.3), and the annular clamp plate (5.32) is clamped in the annular groove (5.31) on the other sealing clamp ring (5.3).

4. A buffer mechanism for preventing the oil supply pipeline from bouncing around according to claim 3, Features: The steel tube (1) and the rubber tube (3) are respectively fixedly clamped between two sealing clamping rings (5.3) and the inner wall of the tank body (6).

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