Columnar vibration equipment damping device

Abstract

The utility model belongs to the technical field of vibration damping devices, and discloses a vibration damping device for columnar vibration equipment. The utility model is used for controlling the vibration of columnar vibration equipment, and comprises a hoop, an elastic unit and a basic mass unit, the hoop tightly holds the outer side of the circumference of the columnar vibration equipment, the elastic unit is detachably and fixedly installed on the hoop, and the foundation mass unit is detachably and fixedly installed on the other side of the elastic unit. According to the utility model, the vibration equipment does not need to be transformed, the device can be quickly and conveniently implemented at low cost, the device can be flexibly configured according to the vibration condition of the columnar vibration equipment, the vibration of the columnar vibration equipment is quickly and effectively reduced, the service life of the columnar vibration equipment is prolonged, and the safety and the reliability of the columnar vibration equipment are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of damping device, specifically relates to a columnar vibration equipment damping device. BACKGROUND

[0002] With economic development, the vibration problem of motor, pump group, pipeline and valve body is increasingly prominent, and it is a big problem in the industrial field, especially in the field of energy, chemical industry, petroleum and the like, a large number of pump groups, columnar vibration equipment and valve bodies are used for large-scale fluid transportation.The conventional method is to eliminate the vibration source by modifying the vibration equipment, such as dynamic balance, shaft alignment, gap elimination and the like.Due to the need to modify the equipment, rigorous cause positioning is also needed, and there is great difficulty in realizing equipment damping.In actual production application, the equipment vibration cannot be effectively reduced many times, or the equipment is long-term operated under the condition of large vibration, so that the service life and safety and reliability of the equipment are greatly reduced. SUMMARY

[0003] The utility model aims at the deficiency in the vibration control technology of the existing motor, pump group, pipeline and valve body and the like columnar vibration equipment, provides a kind of columnar vibration equipment damping device, can be quickly, low cost, conveniently implemented, and can be flexibly configured according to the vibration condition of columnar vibration equipment, quickly and effectively reduce the vibration size of columnar vibration equipment, improve the service life and safety and reliability of columnar vibration equipment.

[0004] Specifically, the utility model is implemented by adopting the following technical scheme.

[0005] The utility model provides a kind of columnar vibration equipment damping device for controlling the vibration of columnar vibration equipment, including hoop, elastic unit and foundation mass unit;

[0006] The hoop is tightly held on the circumference outside of the columnar vibration equipment, and the elastic unit is detachably fixed and installed thereon, and the other side of the elastic unit is detachably fixed and installed with the foundation mass unit.

[0007] Further, the foundation mass unit is an integral whole.

[0008] Further, a plurality of the foundation mass units are fixed on the elastic unit in a central symmetric distribution mode to form an array;

[0009] The columnar vibration equipment damping device further includes an adjustment mass unit, the adjustment mass unit is an arc segment distributed radially along the circumference of the columnar vibration equipment outside, and is fixed on the outside of the foundation mass unit.

[0010] Further, a plurality of the adjustment mass units are connected to form a ring.

[0011] Further, the adjustment mass units are fixed with several base mass units respectively.

[0012] Further, the adjustment mass units are arranged side by side along the axial direction of the columnar vibration equipment and are divided into several groups, and the adjustment mass units in each group form a ring, and the adjustment mass units in different groups are not connected.

[0013] Further, the base mass unit is a hollow structure.

[0014] Further, the elastic unit is an integral whole.

[0015] Further, the elastic units are fixed on the hoop in a central symmetric distribution mode to form an elastic unit array.

[0016] Further, the hoops are arranged side by side along the axial direction of the columnar vibration equipment.

[0017] The columnar vibration equipment damping device has the following beneficial effects:

[0018] The columnar vibration equipment damping device of the utility model, the hoop is tightly held outside the circumference of the columnar vibration equipment, when the columnar vibration equipment vibrates, the elastic member, the base mass unit and the adjustment mass unit are driven by the hoop to vibrate, and the vibration of the columnar vibration equipment body is reduced.

[0019] The columnar vibration equipment damping device of the utility model, the hoop, the elastic unit, the base mass unit and the adjustment mass unit are modularized, can be flexibly configured according to the vibration of the equipment, and can quickly solve the problem of excessive vibration of the equipment. The vibration-related elasticity, damping, mass and other performances can be adjusted by adjusting the number, material and shape and direction of the elastic unit, the base mass unit and the adjustment mass unit, the vibration optimal parameters are accurately matched, and thus the best vibration control effect can be achieved.

[0020] The utility model can be installed on the pump, and can be applied to the motor, the fan, the compressor, the pipeline and the valve and other columnar vibration equipment. DRAWINGS

[0021] Figure 1 It is a structure schematic view of the utility model embodiment.

[0022] Figure 2 It is a hoop schematic view of the utility model embodiment.

[0023] Figure 3 It is a base mass unit schematic view of the utility model embodiment.

[0024] Figure 4 is a schematic diagram of an adjusting mass unit of an embodiment of the present application.

[0025] Figure 5 is a schematic diagram of a base mass unit of an embodiment of the present application adopting a hollow structure.

[0026] Figure 6 is a schematic diagram of an adjusting mass unit of an embodiment of the present application adopting a ring-shaped integral structure.

[0027] Figure 7 is a schematic diagram of an elastic unit of an embodiment of the present application distributed along a circumferential surface.

[0028] Figure 8 is a schematic diagram of an elastic unit of an embodiment of the present application distributed along an axial direction.

[0029] In the figure, 1 is a columnar vibration device, 2 is a damping device, 21 is a hoop, 211 is a hoop fixing interface, 212 is a hoop mounting interface, 22 is an elastic unit, 221 is an elastic unit fixing interface, 222 is an elastic unit mounting interface, 23 is a base mass unit, 231 is a base mass unit fixing interface, 232 is a base mass unit mounting interface, 24 is an adjusting mass unit, 241 is an adjusting mass unit fixing interface, and 242 is an adjusting mass unit mounting interface. DETAILED DESCRIPTION

[0030] The present application will be further described in detail below in conjunction with embodiments and with reference to the accompanying drawings.

[0031] An embodiment of the present application introduces a columnar vibration device damping device for controlling vibration of a columnar vibration device. Figure 1 As shown in the figure, the columnar vibration device damping device of the present embodiment is installed on a columnar vibration device 1 that needs to be damped.

[0032] The columnar vibration device damping device 2 of the present embodiment comprises a hoop 21, an elastic unit 22, and a base mass unit 23.

[0033] The hoop 21 is tightly held on the outer side of the circumference of the columnar vibration device 1, and the elastic unit 22 is detachably fixed and mounted thereon, and the base mass unit 23 is detachably fixed and mounted on the other side of the elastic unit 22. Preferably, the hoop 21 is connected into a ring shape by a plurality of arc segments, and is tightly held on the outer side of the circumference of the columnar vibration device 1. Preferably, the hoop fixing interface 211 is arranged on each arc segment of the hoop 21, and the size of the ring shape is adjusted and locked by the hoop fixing interface 211, as shown in the figure. Figure 2 For example, a bolt, or a threaded or similar helical connection structure, or a buckle or clamping structure can be used to adjust or lock the size of the ring shape.

[0034] The hoop 21 is provided with a hoop mounting interface 212, which cooperates with an elastic unit fixing interface 221 provided on the elastic unit 22 to fix the elastic unit 22 on the hoop 21.

[0035] The foundation mass unit 23 can be an integral whole, for example, made into a sleeve shape and fixed on the elastic unit 22, or can be composed of a plurality of foundation mass units 23 distributed in a central symmetry manner to form an array and fixed on the elastic unit 22, as shown in Figs. 2 and 3. Figure 1 and Figure 3 The columnar vibration equipment damping device adopting the sleeve-shaped foundation mass unit is quick to install, the integral foundation mass unit vibrates with the columnar vibration equipment, and has high efficiency; the columnar vibration equipment damping device adopting the distributed foundation mass unit vibrates with each foundation mass unit, so that multiple vibration directions can be considered, and adjustment is facilitated, the vibration optimal parameters can be matched more conveniently and accurately, and thus the best vibration treatment effect can be achieved.

[0036] Preferably, the columnar vibration equipment damping device 2 of the utility model further comprises an adjusting mass unit 24, the adjusting mass unit 24 is an arc segment distributed along the outer circumferential direction of the columnar vibration equipment 1 and fixed on the outside of the foundation mass unit 23, as shown in Figs. 2 and 3. Figure 1 and Figure 4

[0037] Preferably, the foundation mass unit 23 is a hollow structure, as shown in Fig. 2, and the inner and outer sides are fixed with the elastic element 22 and the adjusting mass unit 24 respectively. Figure 5

[0038] Preferably, in another embodiment, the adjusting mass unit 24 is an annular integral structure, as shown in Fig. 4. Figure 6

[0039] Preferably, in another embodiment, the adjusting mass unit 24 is fixed together with a plurality of foundation mass units 231 respectively.

[0040] Preferably, in another embodiment, a plurality of adjusting mass units 24 are arranged side by side along the axial direction of the columnar vibration equipment 1 and divided into a plurality of groups, the adjusting mass units 24 of each group form an annular structure, and the adjusting mass units of different groups are not connected. The adjusting mass units of each group can vibrate independently, so that vibration damping can be performed for different vibration frequencies or vibration directions.

[0041] The adjusting mass unit 232 is provided with an adjusting mass unit fixing interface 241. The adjusting mass unit fixing interface 241 cooperates with the foundation mass unit mounting interface 232 to fix the adjusting mass unit 24 on the outside of the plurality of foundation mass units 23. ​​​

[0042] The effective mass of the columnar vibration equipment damping device is determined by the number of the base mass unit 23 and the adjustment mass unit 24, the adjustment mass unit 24 is modularized and standardized, the number (which can be 0 or other integers) of the adjustment mass unit 24 can be changed to quickly adjust and determine the vibration effective mass of the columnar vibration equipment damping device of the embodiment.

[0043] The elastic unit 22 is made of elastic materials, such as one or more of high polymer materials, steel wire rope springs, steel wire springs, metal rubber, plastic and the like.

[0044] The elastic unit 22 can also be an integral whole, for example, a sleeve-shaped elastic unit made of metal rubber material is fixed on the hoop 21. When only the vibration of one vibration frequency needs to be damped, the sleeve-shaped elastic unit can obtain greater mass and achieve better damping effect.

[0045] As shown in Figure 7 , a plurality of elastic units 22 can be distributedly fixed on the hoop 21. Preferably, the elastic units 22 are distributedly arranged in a central symmetry to form an elastic unit array and are fixed on the hoop 21. It can be understood that the elastic units in the elastic unit array can be arranged in a central symmetry in a rectangular shape, a circular shape and the like. The columnar vibration equipment damping device with distributed elastic units can vibrate with the columnar vibration equipment damping device, so that the vibration frequency of each vibration direction can be considered, and the vibration best parameters can be matched more conveniently and more accurately, so that the best vibration control effect can be achieved.

[0046] The number of the elastic unit 22 can be adjusted. The installation direction and position of the elastic unit 22 can be adjusted according to the vibration control direction, for example, the deformation direction of the elastic unit 22 can be adjusted according to the vibration direction, for example, the elastic unit 22 can be distributed along the circumferential surface of the hoop 21, or distributed along the axial direction of the columnar vibration equipment 2 (as shown in Figure 8 ), or distributed along each radial direction of the columnar vibration equipment 2. By adjusting the number, material and shape, installation direction and position of the elastic unit, the vibration-related elastic stiffness, damping, mass and the like can be adjusted, and the vibration best parameters can be accurately matched, so that the best vibration control effect can be achieved.

[0047] The elastic unit 22 is provided with an elastic unit mounting interface 222, and the base mass unit 23 is fixed on the elastic unit 22.

[0048] The base mass unit 23 is provided with a base mass unit fixing interface 231 and a base mass unit mounting interface 232, as shown in Figure 1 and Figure 7The base mass unit fixing interface 231 cooperates with the elastic unit mounting interface 222 to fix the base mass unit on the elastic unit 22. During operation of the cylindrical vibration equipment damping device, the base mass unit 23 vibrates together with the elastic unit 22 relative to the hoop 21, and absorbs vibration energy of the cylindrical vibration equipment 2.

[0049] Preferably, in another embodiment, several hoops 21 are arranged side by side along the axis of the cylindrical vibration equipment, and more elastic units 22 and mass units 23 can be fixed thereon to obtain higher mass and overall vibration performance.

[0050] The cylindrical vibration equipment damping device can be installed on a pump, a motor, a fan, a compressor, a pipeline, a valve or other cylindrical vibration equipment.

[0051] The cylindrical vibration equipment damping device of the utility model, the hoop holds tightly in the outside of the cylindrical vibration equipment, when the cylindrical vibration equipment vibrates, the elastic member, the base mass unit and the adjusting mass unit are driven by the hoop to vibrate, and the vibration of the cylindrical vibration equipment body is reduced.

[0052] The cylindrical vibration equipment damping device of the utility model, the hoop, the elastic unit, the base mass unit and the adjusting mass unit all adopt modular design, can be flexibly configured according to the vibration condition of the equipment, and can quickly solve the problem of excessive equipment vibration. By adjusting the number, material and shape, direction of the elastic unit, the base mass unit and the adjusting mass unit, the vibration-related elasticity, damping, mass and other performances can be adjusted, the vibration optimal parameters can be accurately matched, and thus the best vibration control effect can be produced.

[0053] The above only describes the preferred embodiments of the utility model, and does not limit the utility model. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A vibration damping device for a columnar vibrating device, used to control the vibration of the columnar vibrating device, characterized in that, The clamp, the elastic unit and the basic mass unit are included. The clamp is tightly arranged outside the circumference of the cylindrical vibration device, and the elastic unit is detachably fixed on the clamp.

2. The columnar vibration device damping apparatus according to claim 1, wherein The basic mass unit is an integral whole.

3. The columnar vibration device damping apparatus according to claim 1, wherein A plurality of the basic mass units are fixed on the elastic unit in a central symmetric distribution mode. The cylindrical vibration device damping device further comprises an adjusting mass unit, which is an arc segment distributed along the radial direction of the outer circumference of the cylindrical vibration device and fixed outside the basic mass unit.

4. The columnar vibration device damping apparatus according to claim 3, wherein A plurality of the adjusting mass units are connected to form a ring.

5. The columnar vibration device damping apparatus according to claim 3, wherein The adjusting mass unit is fixed with a plurality of the basic mass units.

6. The columnar vibration device damping apparatus according to claim 3, wherein A plurality of the adjusting mass units are arranged in parallel along the axial direction of the cylindrical vibration device and divided into a plurality of groups, and the adjusting mass units in each group form a ring, and the adjusting mass units in different groups are not connected.

7. The columnar vibration device damping apparatus according to claim 1, wherein The basic mass unit is a hollow structure.

8. The columnar vibration device damping apparatus according to claim 1, wherein The elastic unit is an integral whole.

9. The columnar vibration device damping apparatus according to claim 1, wherein A plurality of the elastic units are fixed on the clamp in a central symmetric distribution mode to form an elastic unit array.

10. The columnar vibration device damping apparatus according to claim 1, wherein A plurality of the clamps are arranged in parallel along the axial direction of the cylindrical vibration device.

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