A pipeline valve vibration reduction device

Abstract

The present invention relates to the technical field of pipeline vibration damping devices, and in particular to a pipeline valve vibration damping device, comprising a flexible arc block, a connecting piece, an arc-shaped fixing rod and a filling box; an arc-shaped cavity is opened in the flexible arc block; the connecting piece is fixedly connected to the outside of the flexible arc block; the arc-shaped fixing rod is fixedly connected to the inside of the flexible arc block; the two ends of the arc-shaped fixing rod can be slidably connected to each other and fixed by bolts; the present invention wraps the flexible arc block around the outside of the pipeline valve so that the non-Newtonian fluid in the flexible arc block wraps the pipeline valve. Regardless of whether the degree of vibration is large or small, the non-Newtonian fluid can always maintain a good vibration damping effect through viscosity changes. At the same time, the flexible arc block is used to carry the non-Newtonian fluid to wrap the pipeline valve. Regardless of which direction the valve vibrates, the non-Newtonian fluid can play a vibration damping role to achieve all-round vibration damping. At the same time, the non-Newtonian fluid wraps the pipeline valve, which can also reduce noise.

Description

Technical Field

[0001] The present invention relates to the technical field of pipeline vibration reduction devices, and in particular to a pipeline valve vibration reduction device. Background Art

[0002] Vibration in pipelines and valves can cause many hazards, such as accelerated component wear, reduced service life, and in severe cases, a threat to the safe operation of the system. Vibration in pipelines and valves can be caused by a variety of factors, including fluid impact, rapid valve opening and closing causing sudden changes in fluid momentum, impact on pipelines and valves, and cavitation. In addition, periodic flow and pressure fluctuations output by reciprocating pumps can also cause vibration.

[0003] In the existing technology, rubber vibration isolation pads and spring shock absorbers are commonly used to reduce vibration of pipeline valves. Rubber vibration isolation pads mainly reduce vibration based on the elasticity and damping characteristics of rubber. When the pipeline valve vibrates, the vibration isolation pad is installed between the valve and the supporting structure. It absorbs the mechanical energy of the vibration by elastic deformation and converts it into heat energy dissipation. When the valve encounters a sudden impact, it can quickly deform and buffer. Spring shock absorbers rely on the elasticity of the spring to buffer. When the valve vibrates, the spring expands and contracts to store and gradually release energy, reducing the impact force, thereby protecting the pipeline valve.

[0004] However, the vibration reduction effect of the rubber vibration isolation pad mainly depends on its own elasticity and damping characteristics. The vibration reduction effect is relatively fixed and difficult to change in real time according to the vibration situation. The vibration reduction frequency of the spring shock absorber is relatively fixed. When the vibration frequency of the pipeline valve is close to that of the spring shock absorber, resonance is likely to occur. Therefore, the pipeline vibration reduction device in the prior art has limitations.

[0005] To this end, we propose a pipeline valve vibration reduction device. Summary of the Invention

[0006] In view of the deficiencies of the prior art, the present invention provides a pipeline valve vibration reduction device, which overcomes the deficiencies of the prior art and aims to solve the problems in the background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a pipeline valve vibration reduction device, comprising:

[0008] A flexible arc block, a connecting piece, an arc-shaped fixing rod and a filling box; an arc-shaped cavity is provided in the flexible arc block; the connecting piece is fixedly connected to the outside of the flexible arc block; the arc-shaped fixing rod is fixedly connected to the inside of the flexible arc block; the two ends of the arc-shaped fixing rod can be slidably connected to each other and fixed by bolts; the filling box is fixed to the flexible arc block; the filling box is in communication with the arc-shaped cavity; the filling box and the arc cavity are filled with non-Newtonian fluid.

[0009] By wrapping the flexible arc block around the outside of the pipeline valve, the non-Newtonian fluid inside the flexible arc block can wrap around the pipeline valve. Regardless of whether the vibration level is large or small, the non-Newtonian fluid can always maintain a good vibration reduction effect through viscosity changes. At the same time, the flexible arc block is used to carry the non-Newtonian fluid to wrap the pipeline valve. Regardless of which direction the valve vibrates, the non-Newtonian fluid can play a vibration reduction role, achieving all-round vibration reduction. At the same time, wrapping the pipeline valve with the non-Newtonian fluid can also reduce noise.

[0010] Preferably, the filling box is provided with an opening; a sealing block is provided on the opening; a piston block is slidably connected to the filling box; a movable motor is fixedly connected to the piston block; a roller is fixedly connected to the output end of the movable motor; and the roller contacts the inner wall of the filling box.

[0011] Preferably, fixed grooves are provided on both sides of the filling block; a piston block is slidably connected in the fixed groove; a fixed spring is fixedly connected in the fixed block; the fixed spring is fixedly connected to the fixed block; an electromagnet block is fixedly connected in the fixed groove; and the fixed block is made of metal.

[0012] Preferably, a vibration sensor is fixedly connected to the flexible arc-shaped block; the vibration sensor is located on the inner wall of the flexible arc-shaped block.

[0013] By connecting the filling box with the flexible arc block and then suctioning through the piston block, the amount of non-Newtonian fluid in the flexible arc block is changed, and then cooperating with the vibration sensor, the present invention can change the amount of non-Newtonian fluid in the flexible arc block according to the intensity of vibration, thereby improving the vibration reduction effect on the pipeline valve.

[0014] Preferably, a mesh plate is fixedly connected in the arc-shaped cavity; and holes are formed in the mesh plate.

[0015] Preferably, a grid groove is provided in the flexible arc-shaped block; one end of the grid plate is slidably connected to the grid groove.

[0016] Preferably, the grid plate is arranged obliquely in the arc-shaped cavity.

[0017] Preferably, a stirring plate is rotatably connected to the grid plate; the stirring plate is V-shaped.

[0018] Beneficial effects of the present invention:

[0019] 1. The present invention wraps the flexible arc block around the outside of the pipeline valve so that the non-Newtonian fluid in the flexible arc block wraps around the pipeline valve. Regardless of whether the degree of vibration is large or small, the non-Newtonian fluid can always maintain a good vibration reduction effect through viscosity changes. At the same time, the flexible arc block is used to carry the non-Newtonian fluid to wrap the pipeline valve. Regardless of which direction the valve vibrates, the non-Newtonian fluid can play a vibration reduction role, thereby achieving all-round vibration reduction. At the same time, wrapping the pipeline valve with the non-Newtonian fluid can also reduce noise.

[0020] 2. The present invention connects the filling box with the flexible arc block, and then changes the amount of non-Newtonian fluid in the flexible arc block by suction through the piston block. Then, it cooperates with the vibration sensor, so that the present invention can change the amount of non-Newtonian fluid in the flexible arc block according to the intensity of vibration, thereby improving the vibration reduction effect on the pipeline valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention;

[0022] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0023] Figure 3 for Figure 1 Cross-sectional view of the flexible arc block and grid plate at the BB point;

[0024] Figure 4 This is a structural diagram of the flexible arc block and the grid plate in a partial cross-sectional state of the flexible arc block in the present invention;

[0025] Figure 5 for Figure 4 Enlarged view of point C in the middle;

[0026] Figure 6 It is a cross-sectional view of the filling box, piston block and fixed block in the present invention.

[0027] In the figure: 1. Flexible arc block; 11. Connecting piece; 12. Arc-shaped fixing rod; 13. Filling box; 2. Arc-shaped cavity; 3. Vibration sensor; 4. Opening; 41. Sealing block; 42. Piston block; 43. Moving motor; 44. Roller; 5. Grid plate; 51. Hole; 52. Grid groove; 53. Stirring plate; 6. Fixing groove; 61. Fixing block; 62. Fixing spring; 63. Electromagnet block. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] Example 1: Refer to the attached Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 , a pipeline valve vibration reduction device, comprising:

[0030] A flexible arc block 1, a connecting piece 11, an arc-shaped fixing rod 12 and a filling box 13; an arc-shaped cavity 2 is provided in the flexible arc block 1; the connecting piece 11 is fixedly connected to the outside of the flexible arc block 1; the arc-shaped fixing rod 12 is fixedly connected to the inside of the flexible arc block 1; the two ends of the arc-shaped fixing rod 12 can be slidably connected to each other and fixed by bolts; the filling box 13 is fixedly connected to the flexible arc block 1; the filling box 13 is communicated with the arc-shaped cavity 2; the filling box 13 and the arc-shaped cavity 2 are filled with non-Newtonian fluid.

[0031] In the present invention, first, the bolts on the arc-shaped fixing rod 12 are loosened, and then the flexible arc-shaped block 1 is opened, and the flexible arc-shaped block 1 is wrapped around the outside of the pipeline valve, and then the bolts on the arc-shaped fixing rod 12 are tightened, so that the arc-shaped fixing rod 12 is fixed on the pipeline valve, and the flexible arc-shaped block 1 is in close contact with the pipeline valve, thereby fixing the present invention on the pipeline valve. When the pipeline valve is subjected to vibration impact, the flexible arc-shaped block 1 and the non-Newtonian fluid in the arc-shaped cavity 2 will be subjected to vibration impact. At the moment of vibration, the non-Newtonian fluid is subjected to rapid shear force, and its viscosity increases rapidly, which can effectively hinder the transmission of vibration, so that the non-Newtonian fluid consumes the energy of vibration like a damper. Compared with traditional vibration-damping materials, no matter whether the vibration of the pipeline valve is a strong sudden impact or a continuous small vibration, the non-Newtonian fluid can respond by changing its viscosity, and always maintain a good vibration reduction effect.

[0032] The present invention wraps the flexible arc block 1 around the outside of the pipeline valve so that the non-Newtonian fluid in the flexible arc block 1 wraps around the pipeline valve. Regardless of whether the degree of vibration is large or small, the non-Newtonian fluid can always maintain a good vibration reduction effect through viscosity changes. At the same time, the flexible arc block 1 is used to carry the non-Newtonian fluid to wrap the pipeline valve. Regardless of which direction the valve vibrates, the non-Newtonian fluid can play a vibration reduction role, thereby achieving all-round vibration reduction. At the same time, wrapping the pipeline valve with the non-Newtonian fluid can also reduce noise.

[0033] In the present invention, an opening 4 is opened on the filling box 13; a sealing block 41 is provided on the opening 4; a piston block 42 is slidably connected to the filling box 13; a moving motor 43 is fixedly connected to the piston block 42; a roller 44 is fixedly connected to the output end of the moving motor 43; and the roller 44 contacts the inner wall of the filling box 13.

[0034] In the present invention, a fixing groove 6 is opened on both sides of the piston block 42; a fixing block 61 is slidably connected in the fixing groove 6; a fixing spring 62 is fixedly connected in the fixing block 61; the fixing spring 62 is fixedly connected to the fixing block 61; an electromagnet block 63 is fixedly connected in the fixing groove 6; and the fixing block 61 is made of metal.

[0035] In the present invention, a vibration sensor 3 is fixedly connected to the flexible arc-shaped block 1 ; the vibration sensor 3 is located on the inner wall of the flexible arc-shaped block 1 .

[0036] In the present invention, the electromagnet block 63 generates magnetic force to attract the fixed block 61, so that the fixed block 61 is out of contact with the filling box 13, and then the moving motor 43 drives the roller 44 to rotate, so that the piston block 42 moves; when the piston block 42 moves downward, the non-Newtonian fluid in the filling box 13 is filled into the flexible arc block 1, and when the piston block 42 moves upward, the non-Newtonian fluid in the flexible arc block 1 is pumped into the filling box 13, thereby changing the content of the non-Newtonian fluid in the flexible arc block 1; in the present invention, the vibration sensor 3 detects the pipeline and the pipeline valve When the vibration intensity of the door is low, the amount of non-Newtonian fluid in the flexible arc block 1 is reduced, so that the amount of non-Newtonian fluid is relatively small, and its overall stiffness is reduced, which can better follow the small vibration of the valve. Through its own rheological characteristics, it absorbs and buffers energy in time, and avoids the vibration reduction system being too rigid and unable to effectively cope with small amplitude vibrations; when the vibration intensity is high, the amount of non-Newtonian fluid is increased. More non-Newtonian fluid generates greater internal friction during vibration, consumes more vibration energy, effectively reduces the vibration amplitude, and enhances the damping capacity of the vibration reduction system;

[0037] The present invention connects the filling box 13 with the flexible arc block 1, and then uses the piston block 42 to suck, thereby changing the amount of non-Newtonian fluid in the flexible arc block 1, and then cooperates with the vibration sensor 3. Therefore, the present invention can change the amount of non-Newtonian fluid in the flexible arc block 1 according to the magnitude of the vibration intensity, thereby improving the vibration reduction effect on the pipeline valve.

[0038] Example 2: Based on Example 1, refer to the attached Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 In the present invention, a mesh plate 5 is fixedly connected to the arc-shaped cavity 2; a hole 51 is opened on the mesh plate 5;

[0039] In the present invention, a grid groove 52 is provided in the flexible arc-shaped block 1 ; one end of the grid plate 5 is slidably connected in the grid groove 52 .

[0040] In the present invention, the grid plate 5 is arranged obliquely in the arc-shaped cavity 2 .

[0041] In the present invention, a stirring plate 53 is rotatably connected to the grid plate 5; the stirring plate 53 is V-shaped.

[0042] In the present invention, a mesh plate 5 is provided in the arc-shaped cavity 2 in the flexible arc-shaped block 1, so that the mesh plate 5 separates the space in the arc-shaped cavity 2, thereby preventing the non-Newtonian fluid from settling in the arc-shaped cavity 2, which in turn causes uneven distribution of the components of the non-Newtonian fluid in the arc-shaped cavity 2 and failure of the non-Newtonian fluid at the upper end of the arc-shaped cavity 2. The mesh plate 5 is arranged at an angle and has holes 51 formed on the mesh plate 5, so that the mesh plate 5 can ensure the flow of the non-Newtonian fluid between the mesh plates 5 and reduce the amount of the non-Newtonian fluid flowing from the holes 51 to the next mesh when settling between the meshes.

[0043] A stirring plate 53 is provided inside the grid plate 5. When vibration is transmitted to the non-Newtonian fluid, the V-shaped stirring plate 53 is driven to rotate, so that the non-Newtonian fluid is stirred by the stirring plate 53 while absorbing the vibration, so that the non-Newtonian fluid between the grids of the grid plate 5 is evenly mixed, thereby reducing the sedimentation phenomenon of the non-Newtonian fluid.

[0044] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention as claimed. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pipeline valve vibration reduction device, characterized by: include: A flexible arc block (1), a connecting piece (11), an arc-shaped fixing rod (12) and a filling box (13); an arc-shaped cavity (2) is provided in the flexible arc block (1); the connecting piece (11) is fixedly connected to the outside of the flexible arc block (1); the arc-shaped fixing rod (12) is fixedly connected to the inside of the flexible arc block (1); both ends of the arc-shaped fixing rod (12) can be slidably connected to each other and fixed by bolts; the filling box (13) is fixedly connected to the flexible arc block (1); the filling box (13) is in communication with the arc-shaped cavity (2); the filling box (13) and the arc-shaped cavity (2) are filled with a non-Newtonian fluid; The filling box (13) is provided with an opening (4); a sealing block (41) is provided on the opening (4); a piston block (42) is slidably connected to the filling box (13); a moving motor (43) is fixedly connected to the piston block (42); a roller (44) is fixedly connected to the output end of the moving motor (43); the roller (44) contacts the inner wall of the filling box (13); The piston block (42) is provided with fixed grooves (6) on both sides; a fixed block (61) is slidably connected in the fixed groove (6); a fixed spring (62) is fixedly connected in the fixed block (61); the fixed spring (62) is fixedly connected to the fixed block (61); an electromagnet block (63) is fixedly connected in the fixed groove (6); the fixed block (61) is made of metal; A vibration sensor (3) is fixedly connected to the flexible arc block (1); the vibration sensor (3) is located on the inner wall of the flexible arc block (1); and the direction of the moving motor (43) is controlled according to a detection signal from the vibration sensor (3).

2. A pipeline valve vibration damping device according to claim 1, characterized in that: A mesh plate (5) is fixedly connected in the arc-shaped cavity (2); holes (51) are provided on the mesh plate (5).

3. A pipeline valve vibration damping device according to claim 2, characterized in that: A grid groove (52) is provided in the flexible arc-shaped block (1); one end of the grid plate (5) is slidably connected in the grid groove (52).

4. A pipeline valve vibration damping device according to claim 3, characterized in that: The grid plate (5) is arranged obliquely in the arc-shaped cavity (2).

5. The pipeline valve vibration reduction device according to claim 4, characterized in that: A stirring plate (53) is rotatably connected to the grid plate (5); the stirring plate (53) is V-shaped.

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