Horizontal pump damping device
Through the combination of an annular mount and a tuning mass damper, the vibration problem of horizontal pump group is solved, and the rapid and flexible vibration damping effect is achieved, which improves the safety and reliability of the equipment.
Patent Information
- Application Number
- CN202421862649.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-08-02
AI Technical Summary
When the prior art eliminates the vibration problems of horizontal pump sets, pipelines and valve bodies, the equipment needs to be modified and it is difficult to effectively reduce the equipment vibration, resulting in a reduction in equipment life and safety.
The ring mount and tuning mass damper are used to tighten on the horizontal pump through the inclined surface of the wedge part and the pressing part to achieve vibration reduction without the need for modification of the pump.
It achieves fast and flexible vibration damping effects, improves the safety and reliability of the equipment, and reduces the difficulty of vibration damping work.
Smart Images

Figure CN223090296U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of vibration detection and control, and particularly relates to a vibration damping device for a horizontal pump. Background Art
[0002] With the economic development, the vibration problems of motors, pump sets, pipelines and valve bodies have become increasingly prominent, which is a major problem in the industrial field, especially in the fields of energy, chemical engineering, petroleum, etc. where a large number of pump sets, pipelines and valve bodies are used for large-scale fluid transportation. Using conventional equipment rectification to eliminate the vibration source, such as performing dynamic balance, shaft alignment, clearance elimination, etc., is difficult because it requires modifications to the equipment to be vibration-damped and related equipment, and also requires rigorous cause location. In actual production applications, in many cases, the equipment vibration cannot be effectively reduced, or the equipment operates under large vibrations for a long time, resulting in a significant reduction in the equipment life, safety and reliability. Summary of the Invention
[0003] The purpose of the utility model is: aiming at the deficiencies of the prior art, to provide a vibration damping device for a horizontal pump, which can reduce the vibration of the horizontal pump body without modifying the pump, is easy to implement, can be flexibly configured according to the equipment vibration situation, quickly solve the problem of excessive equipment vibration, and improve the safety and reliability of the horizontal pump operation.
[0004] Specifically, the utility model is implemented by the following technical solutions.
[0005] The utility model provides a vibration damping device for a horizontal pump, which dampens vibration for the horizontal pump, and includes an annular mounting frame, a tuned mass damper and a support base;
[0006] The annular mounting frame is fixedly sleeved on the outer periphery of the horizontal pump and is fixed together with the support base; at least one tuned mass damper is installed on the annular mounting frame;
[0007] The annular mounting frame is provided with a plurality of mutually cooperating wedge-shaped parts and pressing parts; the pressing part is provided with a pressing surface and a first inclined surface, and the wedge-shaped part is provided with a second inclined surface; the second inclined surface contacts the first inclined surface, and by means of a fastener, the first inclined surface moves relative to the second inclined surface, so that the pressing surface presses towards the axis of the annular mounting frame, thereby pressing the pump body of the horizontal pump.
[0008] Further, a plurality of groove-shaped structures are arranged on the inner side of the annular mounting frame, the groove-shaped structures are provided with first connection holes, and the wedge-shaped parts and the pressing parts are installed at the groove-shaped structures; the wedge-shaped parts are provided with connection holes, and by means of a fastener passing through the connection holes of the wedge-shaped parts and the first connection holes of the groove-shaped structures, the first inclined surface moves relative to the second inclined surface, so that the pressing surface presses towards the axis of the annular mounting frame, thereby pressing the pump body of the horizontal pump.
[0009] Further, the inner side of the annular mounting bracket is conical or wedge-shaped, and the inner side of the annular mounting bracket serves as the second inclined surface of the wedge-shaped portion; the annular mounting bracket is provided with a chute structure, and the pressing portion is mounted at the chute structure; by tightening the fastener passing through the connection hole of the pressing portion and the chute structure, the first inclined surface moves relative to the second inclined surface, so that the pressing surface presses towards the axis of the annular mounting bracket, thereby pressing the pump body of the horizontal pump.
[0010] Further, the wedge-shaped portion is fixedly connected to the annular mounting bracket.
[0011] Further, a plurality of groove-shaped structures are provided on the inner side of the annular mounting bracket, the groove-shaped structures are provided with first connection holes, and the wedge-shaped portion and the pressing portion are mounted at the groove-shaped structures; the wedge-shaped portion is provided with a connection hole, and by tightening the fastener passing through the connection hole of the wedge-shaped portion and the first connection hole of the groove-shaped structure, the first inclined surface moves relative to the second inclined surface, so that the pressing surface presses towards the axis of the annular mounting bracket, thereby pressing the pump body of the horizontal pump.
[0012] Further, the tuned mass damper is mounted along the radial direction and / or the axial direction of the annular frame.
[0013] Further, the annular mounting bracket is fixed to the support base through a transfer bracket fixed thereto.
[0014] Further, a vibration isolator is further provided between the annular mounting bracket and the support base, or between the transfer bracket and the support base.
[0015] The beneficial effects of the horizontal pump vibration damping device of the present utility model are as follows:
[0016] For the horizontal pump vibration damping device of the present utility model, the tuned mass damper is fixed on the horizontal equipment to be vibration-damped through the annular mounting bracket, and then the annular bracket and the horizontal equipment are fastened through the wedge-shaped portion and the pressing portion arranged on the annular bracket and cooperating with each other through inclined surfaces. By adjusting the wedge-shaped portion, the pressing portion can be pressed against the pump body of the horizontal pump. The implementation is convenient, there is no need to modify the pump, and the influence on the vibration-damping target equipment is small.
[0017] The horizontal pump vibration damping device of the present utility model is flexibly and simply installed, has a wide application range, and can be configured at the driving end, non-driving end and other positions of the water pump; it can be applied to pumps, and can also be applied to motors, fans, compressors, pipelines and valves.
[0018] By adopting the horizontal pump vibration damping device of the present utility model, the work of analyzing the vibration causes is reduced, the difficulty of the vibration damping work is lowered; and it can be flexibly configured according to the vibration conditions of the equipment, quickly solve the problem of excessive vibration of the equipment, and improve the safety and reliability of the operation of the horizontal pump. Description of the Drawings
[0019] Figure 1 It is a schematic structural view of an embodiment of the present utility model.
[0020] Figure 2 It is a schematic view of the annular mounting bracket of an embodiment of the present utility model.
[0021] Figure 3 It is a schematic view of the tuned mass damper of an embodiment of the present utility model.
[0022] Figure 4 It is a schematic view of the pressing part of an embodiment of the present utility model.
[0023] Figure 5 It is a schematic view of the wedge-shaped part of an embodiment of the present utility model.
[0024] Figure 6 It is a schematic view of the cooperation between the annular mounting bracket and the pressing part of another embodiment of the present utility model.
[0025] Figure 7 It is Figure 6 The schematic view of the annular mounting bracket in
[0026] Figure 8 It is Figure 6 The schematic view of the pressing part in
[0027] Figure 9 It is Figure 6 The schematic view of the cooperation between the pressing part and the fastener passing through the connection hole and the chute structure of the pressing part (the annular mounting bracket is not shown).
[0028] Figure 10 It is a schematic view of the support base of an embodiment of the present utility model.
[0029] Figure 11 It is a schematic view of the adapter bracket of an embodiment of the present utility model.
[0030] Figure 12 It is a schematic view of the vibration isolator of an embodiment of the present utility model.
[0031] Identifications in the figure: 1 - annular mounting bracket, 101 - damper mounting hole, 102 - wedge-shaped part, 1021 - second inclined surface, 1022 - connection hole, 103 - pressing part, 1031 - pressing surface, 1032 - first inclined surface, 1033 - first inclined surface adjustment hole, 104 - groove structure, 1041 - first connection hole, 1042 - chute structure, 105 - mounting hole, 2 - tuned mass damper, 3 - support base, 4 - adapter bracket, 401 - adapter bracket mounting hole, 5 - vibration isolator. Detailed implementation manners
[0032] The present utility model will be further described in detail below in conjunction with the embodiments and with reference to the accompanying drawings.
[0033] An embodiment of the present utility model is a horizontal pump vibration damping device for damping a horizontal pump, which includes an annular mounting frame 1, a tuned mass damper 2, and a support base 3.
[0034] As Figures 1 to 5 shown, the annular mounting frame 1 is sleeved on the outer periphery of the horizontal pump and fixed to the horizontal pump, for example, fixed outside the bearing box of the horizontal pump. The annular mounting frame 1 is fixed together with the support base 3, and the support base 3 is fixed on the ground foundation.
[0035] At least one tuned mass damper 2 is installed on the annular mounting frame 1. For example, damping device mounting holes 101 are provided on the annular mounting frame 1 for fixing the tuned mass damper 2. The number, installation position and direction of the tuned mass damper can be adjusted according to the vibration damping requirements. It can be understood that the tuned mass dampers 2 can be distributed radially along the annular frame 1 or axially along the annular frame 1.
[0036] The annular mounting frame 1 is provided with a number of cooperating wedge-shaped parts 102 and pressing parts 103. The pressing part 103 is provided with a pressing surface 1031 and a first inclined surface 1032, and the wedge-shaped part 102 is provided with a second inclined surface 1021. The second inclined surface 1021 of the wedge-shaped part 102 contacts the first inclined surface 1032 of the pressing part 103. By fastening the wedge-shaped part 102 with a fastener, the wedge-shaped part 102 is translated radially along the annular mounting frame 1, the second inclined surface 1021 is translated towards the axis direction of the annular mounting frame 1, the first inclined surface 1032 of the pressing part 103 moves relative to the second inclined surface 1021 of the wedge-shaped part 102, and the pressing surface 1031 on the pressing part 103 is pushed to squeeze towards the axis of the annular mounting frame 1, thereby pressing the pump body of the horizontal pump and fixing the annular mounting frame on horizontal equipment such as water pumps and motors.
[0037] Preferably, in another embodiment, the annular mounting bracket 1 is provided with a plurality of cooperating wedge-shaped portions 102 and pressing portions 103. A plurality of groove-shaped structures 104 are provided on the inner side of the annular mounting bracket 1. The groove-shaped structures 104 are provided with first connection holes 1041, and the wedge-shaped portions 102 and the pressing portions 103 are installed at the groove-shaped structures 104. The pressing portion 103 is provided with a pressing surface 1031 and a first inclined surface 1032, and the wedge-shaped portion 102 is provided with a second inclined surface 1021 and a connection hole 1022. The second inclined surface 1021 of the wedge-shaped portion 102 contacts the first inclined surface 1032 of the pressing portion 103. By tightening the fastener passing through the connection hole 1022 of the wedge-shaped portion 102 and the first connection hole 1041 of the groove-shaped structure 104, the second inclined surface 1021 is translated in the axial direction of the annular mounting bracket 1, the first inclined surface 1032 of the pressing portion 103 moves relative to the second inclined surface 1021 of the wedge-shaped portion 102, and the pressing portion 103 is pushed to squeeze towards the axis of the annular mounting bracket 1, so as to press the pump body of the horizontal pump, and the annular mounting bracket is fixed on horizontal equipment such as water pumps and motors.
[0038] Preferably, in another embodiment, the annular mounting bracket 1 is provided with a plurality of cooperating wedge-shaped portions 102 and pressing portions 103. The wedge-shaped portion 102 is fixedly connected to the annular mounting bracket 1. The pressing portion 103 is provided with a pressing surface 1031 and a first inclined surface 1032, and the wedge-shaped portion 102 is provided with a second inclined surface 1021. The second inclined surface 1021 of the wedge-shaped portion 102 contacts the first inclined surface 1032 of the pressing portion 103. By means of a fastener, the first inclined surface 1032 of the pressing portion 103 moves relative to the second inclined surface 1021 of the wedge-shaped portion 102, so that the pressing surface 1031 on the pressing portion 103 squeezes towards the axis of the annular mounting bracket 1, so as to press the pump body of the horizontal pump, and the annular mounting bracket is fixed on horizontal equipment such as water pumps and motors.
[0039] Preferably, in another embodiment, the annular mounting frame 1 is provided with a plurality of wedge-shaped portions 102 and pressing portions 103 that cooperate with each other, and the wedge-shaped portion 102 is tightly connected to the annular mounting frame 1. A plurality of groove structures 104 are provided inside the annular mounting frame 1, and the groove structure 104 is provided with a first connecting hole 1041, and the wedge-shaped portion 102 and the pressing portion 103 are installed at the groove structure 104. The pressing portion 103 is provided with a pressing surface 1031 and a first inclined surface 1032, and the wedge-shaped portion 102 is provided with a second inclined surface 1021 and a connecting hole 1022, and the second inclined surface 1021 of the wedge-shaped portion 102 is in contact with the first inclined surface 1032 of the pressing portion 103. By tightening the fasteners penetrating the connecting hole 1022 of the wedge-shaped portion 102 and the first connecting hole 1041 of the groove structure 104, the first inclined surface 1032 of the clamping portion 103 moves relative to the second inclined surface 1021 of the wedge-shaped portion 102, so that the clamping surface 1031 on the clamping portion 103 is pressed toward the axis of the annular mounting frame 1, thereby clamping the pump body of the horizontal pump and fixing the annular mounting frame on horizontal equipment such as water pumps and motors.
[0040] Preferably, in another embodiment, Figures 6 to 9 As shown, the inner side surface of the annular mounting frame 1 is conical or wedge-shaped, and the inner side surface of the annular mounting frame serves as the second inclined surface 1021 of the wedge-shaped portion, that is, the annular mounting frame 1 and the wedge-shaped portion are an integral structure; the annular mounting frame is provided with a slide groove structure 1042, and the pressing portion 103 is installed at the slide groove structure 1042; the pressing portion 103 is provided with a pressing surface 1031, a first inclined surface 1032 and a first inclined surface adjustment hole 1033, and the second inclined surface 1021 of the wedge-shaped portion contacts the first inclined surface 1032 of the pressing portion 103. By fastening the fasteners penetrating the first inclined surface adjustment hole 1033 and the slide groove structure 1042 of the pressing portion, the first inclined surface 1032 moves relative to the second inclined surface 1021, so that the pressing surface 1031 is pressed toward the axis of the annular mounting frame 1, thereby pressing the pump body of the horizontal pump, and fixing the annular mounting frame on horizontal equipment such as water pumps and motors.
[0041] It can be understood that the annular mounting frame 1 can also be fixed to the support base 3 after being connected to the adapter frame 4 fixed thereto. Figure 10 As shown, the adapter frame 4 is as shown in Figure 11 For example, the annular mounting frame 1 is provided with a mounting hole 105 for fixing with the fixing hole 401 on the adapter frame 4 by bolts, pins, etc. The annular mounting frame 1 can also be directly welded with the adapter frame 4.
[0042] In another embodiment, a vibration isolator 5 is further provided between the annular mounting frame 1 and the supporting base 3 (when there is no adapter frame), or between the adapter frame 4 and the supporting base 3 (when there is an adapter frame). Figure 12 As shown, this is to reduce the impact of the main pump vibration on the supporting base.
[0043] The horizontal pump vibration damping device of the present utility model fixes the tuned mass damper on the horizontal equipment to be vibration-damped through an annular mounting frame, and then fastens the annular frame to the horizontal equipment through a wedge-shaped part and a pressing part arranged on the annular frame and cooperating with each other through inclined planes. By adjusting the wedge-shaped part, the pressing part can be pressed onto the pump body of the horizontal pump. The implementation is convenient, there is no need to modify the pump, and the influence on the vibration-damping target equipment is small.
[0044] The horizontal pump vibration damping device of the present utility model is flexible and simple to install, has a wide application range, and can be configured at the driving end, non-driving end and other positions of the water pump; it can be applied to pumps, and can also be applied to motors, fans, compressors, pipelines and valves.
[0045] By adopting the horizontal pump vibration damping device of the present utility model, the work of analyzing the vibration causes is reduced, and the difficulty of the vibration damping work is lowered; and it can be flexibly configured according to the vibration conditions of the equipment, quickly solve the problem of excessive vibration of the equipment, and improve the safety and reliability of the operation of the horizontal pump.
[0046] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A horizontal pump vibration damping device for damping a horizontal pump, characterized in that, It includes an annular mounting bracket, a tuned mass damper, and a support base; The annular mounting bracket is fixedly sleeved on the outer periphery of the horizontal pump and is fixed together with the support base; at least one tuned mass damper is mounted on the annular mounting bracket; The annular mounting bracket is provided with a cooperating wedge-shaped portion and a pressing portion; the pressing portion is provided with a pressing surface and a first inclined surface, and the wedge-shaped portion is provided with a second inclined surface; the second inclined surface contacts the first inclined surface, and by means of a fastener, the first inclined surface moves relative to the second inclined surface, so that the pressing surface presses towards the axis of the annular mounting bracket, thereby pressing the pump body of the horizontal pump.
2. The horizontal pump vibration damping device according to claim 1, characterized in that, A groove structure is provided on the inner side of the annular mounting bracket, and the groove structure is provided with a first connection hole. The wedge-shaped portion and the pressing portion are mounted at the groove structure; the wedge-shaped portion is provided with a connection hole, and by means of a fastener passing through the connection hole of the wedge-shaped portion and the first connection hole of the groove structure, the first inclined surface moves relative to the second inclined surface, so that the pressing surface presses towards the axis of the annular mounting bracket, thereby pressing the pump body of the horizontal pump.
3. The horizontal pump vibration damping device according to claim 1, characterized in that, The wedge-shaped portion is fixedly connected to the annular mounting bracket.
4. The horizontal pump vibration damping device according to claim 3, characterized in that, A groove structure is provided on the inner side of the annular mounting bracket, and the groove structure is provided with a first connection hole. The wedge-shaped portion and the pressing portion are mounted at the groove structure; the wedge-shaped portion is provided with a connection hole, and by means of a fastener passing through the connection hole of the wedge-shaped portion and the first connection hole of the groove structure, the first inclined surface moves relative to the second inclined surface, so that the pressing surface presses towards the axis of the annular mounting bracket, thereby pressing the pump body of the horizontal pump.
5. The horizontal pump vibration damping device according to claim 1, characterized in that, The inner side surface of the annular mounting bracket is conical or wedge-shaped, and the inner side surface of the annular mounting bracket serves as the second inclined surface of the wedge-shaped portion; the annular mounting bracket is provided with a chute structure, and the pressing portion is mounted at the chute structure; by means of a fastener passing through the connection hole of the pressing portion and the chute structure, the first inclined surface moves relative to the second inclined surface, so that the pressing surface presses towards the axis of the annular mounting bracket, thereby pressing the pump body of the horizontal pump.
6. The horizontal pump vibration damping device according to any one of claims 1 to 5, characterized in that The tuned mass dampers are distributed along the radial and / or axial directions of the annular frame.
7. The horizontal pump vibration damping device according to any one of claims 1 to 5, characterized in that, The annular mounting bracket is fixed to the support base through a transfer bracket fixed thereto.
8. The horizontal pump vibration damping device according to any one of claims 1-5, characterized in that, A vibration isolator is further provided between the annular mounting bracket and the support base, or between the transfer bracket and the support base.