CN215726362U - Vibration meter with high stability - Google Patents
Vibration meter with high stability Download PDFInfo
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- CN215726362U CN215726362U CN202122404449.2U CN202122404449U CN215726362U CN 215726362 U CN215726362 U CN 215726362U CN 202122404449 U CN202122404449 U CN 202122404449U CN 215726362 U CN215726362 U CN 215726362U
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Abstract
The utility model discloses a high-stability vibration meter which comprises a vertical supporting assembly, a horizontal supporting assembly and a vibration measuring component, wherein the vertical supporting assembly comprises two vertical supporting rods which are oppositely arranged and fixedly connected together, and a vertical supporting base is arranged at the lower end of each vertical supporting rod; the horizontal support assembly comprises two horizontal support rods which are oppositely arranged and fixedly connected together, and a horizontal support base is arranged at one end of each horizontal support rod, which is far away from the vertical support rod; the vibration measuring component comprises a connecting assembly and a vibration measuring pen, the connecting assembly comprises a connecting cylinder and a built-in spring coaxially arranged in the connecting cylinder, one end of the spring is fixed in the connecting cylinder, and the other end of the spring extends out of the connecting cylinder and is coaxially connected with the vibration measuring pen. The vibration measuring pen has a simple structure, can keep a better horizontal direction and a better vertical direction, can stably measure the vibration body to be measured, and can be adaptively adjusted according to the height and the position of the vibration body to be measured.
Description
Technical Field
The utility model belongs to the field of vibration measurement of rotating mechanical equipment, and particularly relates to a high-stability vibration meter.
Background
Generally, for power generation enterprises, manufacturing enterprises and the like, irregular vibration of rotating equipment (such as a fan, a coal mill, a pump, a lathe and the like) is harmful to the equipment, the use of the equipment is seriously influenced, and great economic loss is caused, so that the vibration measurement is particularly important. For general rotating machine equipment and the like, fixed measuring points are installed for real-time measurement, but the cost is high, the installation process is complex, and sensors cannot be installed on all measured points of the equipment in advance, so that the movable vibration measuring instrument has huge effect and is convenient and widely applied. At present portable vibration measuring instrument in the in-service use process, have two major points to cause its measurement accuracy's reduction: (1) the portable vibration measuring instrument is generally handheld, the contact stress of a measuring pen (physical contact part) is uneven, and the contact force is different when the portable vibration measuring instrument is used for measuring the same type of equipment, so that the measurement error is caused; (2) vibration measurement is generally divided into three directions of horizontal axial direction, horizontal radial direction and vertical radial direction, but in the actual measurement process, because the vibration influence of equipment and the action and the dynamics influence of manual hand-held, the measuring apparatu can not carry out contact measurement in complete horizontal or vertical direction, thereby causes the error of measurement.
Disclosure of Invention
In view of the above defects or improvement requirements of the prior art, the utility model provides a vibration meter with high stability, and aims to solve the problems that the portable vibration meter is difficult to keep the contact stress between the measuring instrument and a rotary vibrating body to be measured consistent in use, and the accuracy of the measuring direction cannot be ensured by a handheld measuring mode, so that the error of the measuring result is caused.
To achieve the above objects, according to one aspect of the present invention, there is provided a vibration meter with high stability, characterized by comprising a vertical support assembly, a horizontal support assembly and a vibration measuring unit,
the vertical support assembly comprises two vertical support rods which are oppositely arranged and fixedly connected together, and a vertical support base is arranged at the lower end of each vertical support rod;
the horizontal support assembly comprises two horizontal support rods which are oppositely arranged and fixedly connected together, the two horizontal support rods are positioned on the same horizontal plane, and each horizontal support rod is vertically connected with one vertical support rod; one end of each horizontal supporting rod, which is far away from the vertical supporting rod, is provided with a horizontal supporting base;
the vibration measuring component comprises a connecting component and a vibration measuring pen, the connecting component comprises a connecting cylinder and an internal spring coaxially arranged in the connecting cylinder, one end of the spring is fixed in the connecting cylinder, and the other end of the spring extends out of the connecting cylinder and is coaxially connected with the vibration measuring pen; the connecting cylinder is fixed on the vertical supporting component, and the connecting cylinder is perpendicular to each vertical supporting rod and is arranged in parallel to each horizontal supporting rod.
Preferably, the bubble level gauge is arranged on the vertical support assembly and is perpendicular to the two vertical support rods.
Preferably, an adjusting screw is screwed in the connecting cylinder, one end of the adjusting screw is located in the connecting cylinder and fixedly connected with the built-in spring, and the other end of the adjusting screw is located outside the connecting cylinder, so that the extension length of the built-in spring can be adjusted through the adjusting screw.
Preferably, a vertical connecting joint is arranged at the same height of each of the two vertical support rods, and each vertical connecting joint divides the vertical support rod into two sections so as to adjust the vertical height of the vertical support assembly.
Preferably, a horizontal connecting joint is arranged at the same length of each of the two horizontal support rods, and each horizontal connecting joint divides the horizontal support rod into two sections so as to adjust the horizontal length of the horizontal support assembly.
Preferably, the vertical support base and the horizontal support base are height-adjustable feet.
Preferably, the innerspring is a compression spring.
Preferably, the two vertical support rods are connected through a vertical connecting rod.
Preferably, the two horizontal support rods are connected through a horizontal connecting rod.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
(1) the vibration meter of the utility model can provide stable supporting structures in the horizontal and vertical directions for the vibration measuring pen, and ensure the accuracy of the vibration measuring pen in the measuring direction, thereby improving the measuring accuracy. Furthermore, the vibration measuring pen is connected with the built-in spring, and the consistency of the contact stress is ensured by controlling the compression amount of the built-in spring, so that the measuring error caused by uneven contact stress is reduced.
(2) The vertical supporting assembly and the horizontal supporting assembly are respectively provided with a connecting joint for adjusting the height/length and a supporting base for finely adjusting the height, so that corresponding adjustment can be performed according to the height and the position of the rotary vibration body to be measured, and the environmental adaptability of the vibration meter is improved.
(3) The built-in spring is connected with the adjusting screw in the connecting cylinder, and the contact stress of the vibration measuring instrument and the rotary vibration body to be measured is ensured to be consistent by controlling the compression amount of the built-in spring, so that the measurement error caused by uneven contact stress is avoided, and the accuracy of vibration measurement is improved.
Drawings
FIG. 1 is a schematic structural view of a vibration meter according to the present invention;
FIG. 2 is a schematic view of one orientation of the vibration meter of the present invention;
fig. 3 is a schematic structural view of a vibration measuring part of the vibration meter according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 3, the high-stability vibration meter of the present invention includes a vertical support assembly 1, a horizontal support assembly 2, a vibration measurement component 3 and a bubble level meter 4, wherein the vertical support assembly 1 and the horizontal support assembly 2 are perpendicular to each other, the vertical support assembly 1 and the horizontal support assembly 2 are fixedly connected together, the vibration measurement component 3 is fixed on the vertical support assembly 1, and the vibration measurement component 3 is perpendicular to the vertical support assembly 1 and parallel to the horizontal support assembly 2. The bubble level 4 is fixed to the vertical support assembly 1 and the bubble level 4 is perpendicular to the respective vertical support bars 11.
The vertical supporting assembly 1 comprises two vertical supporting rods 11 which are oppositely arranged and fixedly connected together, the two vertical supporting rods 11 are connected through a vertical connecting rod 14, and a vertical supporting base 13 is arranged at the lower end of each vertical supporting rod 11;
the horizontal support assembly 2 comprises two horizontal support rods 21 which are oppositely arranged and fixedly connected together, and the two horizontal support rods 21 are fixed together through a horizontal connecting rod 24. The two horizontal support rods 21 are positioned on the same horizontal plane, and each horizontal support rod 21 is vertically connected with one vertical support rod 11; one end of each horizontal support rod 21 far away from the vertical support rod 11 is provided with a horizontal support base 23. Such a configuration facilitates providing vertical and horizontal support for the vibrometer.
The vibration measuring component 3 comprises a connecting component 31 and a vibration measuring pen 32, the connecting component 31 comprises a connecting cylinder 311 and an internal spring 312 coaxially arranged in the connecting cylinder 311, one end of the internal spring 312 is fixed in the connecting cylinder 311, and the other end of the internal spring 312 extends out of the connecting cylinder 311 and is coaxially connected with the vibration measuring pen 32, so that the contact stress of the vibration measuring pen 32 and a rotary vibration body to be measured is controlled by controlling the compression amount of the internal spring 312, and the consistency of the contact stress is kept; the connecting cylinder 311 is fixed on the vertical support assembly 1, and the connecting cylinder 311 is perpendicular to each vertical support rod 11 and parallel to each horizontal support rod 21, so as to provide stable support for the vibration measuring pen 32 in the vertical direction and the horizontal direction, thereby meeting the requirements of vibration measurement of the rotary vibration body to be measured in the vertical direction and the horizontal direction.
Further, a female screw is provided in the connecting cylinder 311, and an adjusting screw 313 is provided in the connecting cylinder 311. The connecting cylinder 311 is in threaded connection with the adjusting screw 313 to facilitate movement of the adjusting screw 313 within the connecting cylinder 311. One end of the adjusting screw 313 is located in the connecting cylinder 311 and is fixedly connected with the built-in spring 312 so as to drive the built-in spring 312 to move; the other end of the adjusting screw 313 is located outside the connecting cylinder 311 so as to manually adjust the depth of the screw 313 screwed into the connecting cylinder 311, thereby controlling the length of the inner spring 312 extending out of the connecting cylinder 311.
Furthermore, a vertical connecting joint 12 is arranged at the same height of each of the two vertical support rods 11, and each vertical connecting joint 12 divides the vertical support rod 11 into two sections, so that the vertical height of the vertical support assembly 1 can be adjusted according to the height and the position of the rotary vibration body to be measured, higher measurement precision can be obtained, and the environmental adaptability of the vibration meter can be further improved.
Further, a horizontal connecting joint 22 is arranged at the same length of each of the two horizontal support rods 21, and each horizontal connecting joint 22 divides the horizontal support rod 21 into two sections, so that the horizontal length of the horizontal support assembly 2 can be adjusted according to the height and the position of the rotary vibrator to be measured.
Further, the vertical supporting base 13 and the horizontal supporting base 23 are height-adjustable feet which are nut structures, so that the height of the vertical supporting base 13 and the height of the horizontal supporting base 23 can be finely adjusted, and a method for adjusting the height or the position can be better achieved.
Further, the built-in spring 312 is a compression spring so as to be able to contract adaptively when the vibration measuring pen 32 comes into contact with the rotary vibration body to be measured.
In addition, the vertical supporting component 1 and the horizontal supporting component 2 are made of aluminum profiles with small density, so that the moving operation is facilitated, and the structural strength of the whole vibration meter is guaranteed.
The vibration meter of the utility model is used in the vibration measurement process of different directions of the rotary vibration body to be measured as follows:
(1) horizontal radial vibration measurement. The vertical supporting component 1 is vertically placed on a horizontal plane through a vertical supporting base 13, a vibration measuring pen 32 installed on the vertical supporting component 1 is horizontally arranged, and proper adjustment is carried out according to the height position of a rotary vibration body to be measured; the tip portion of the vibration measuring pen 32 is brought into contact with the radial curved surface of the rotary vibration body to be measured and vibration measurement is performed.
(2) And measuring the vibration in the horizontal axial direction. The vertical supporting component 1 is vertically placed on a horizontal plane through a vertical supporting base 13, a vibration measuring pen 32 installed on the vertical supporting component 1 is horizontally arranged, and proper adjustment is carried out according to the height position of the axial end face of the rotary vibration body to be measured; the tip portion of the vibration measuring pen 32 is brought into contact with the axial end face of the rotary vibration body to be measured and vibration measurement is performed.
(3) Vibration measurement in the vertical radial direction. The placement position of the vibration meter is adjusted, the horizontal supporting component 2 is vertically placed on the horizontal plane, and the vibration measuring pen 32 is vertically arranged at the moment. Adjusting the height and the position of the horizontal supporting component 2 according to the vertical radial position of the rotary vibrating body to be measured; the tip portion of the vibration measuring pen 32 is perpendicular to the axial direction of the rotary vibration body to be measured and is in contact with the radial direction of the rotary vibration body to be measured, thereby performing vibration measurement.
The vibration meter of the utility model enables the vibration measuring pen 32 to be completely horizontal or vertical to the surface of the rotary vibration body to be measured through the action of the vertical supporting component 1 and the horizontal supporting component 2, thereby eliminating the vibration influence of equipment and the influence of manual handheld action and force and improving the precision of vibration measurement; the matching of the built-in spring 312 and the adjusting screw 313 can control the extension length of the built-in spring 312, so that the contact stress can be adjusted according to the conditions of different devices to be tested, and the consistency of the contact stress when the same device is subjected to vibration measurement is controlled; perpendicular supporting component 1 and horizontal supporting component 2 all adopt the less metal of density, under the prerequisite of guaranteeing structural strength, reduce the weight of vibration meter to the connecting rod can be according to the scene demand among the actual vibration measurement, adjusts the height or the position of vibration measuring pen 32, therefore possesses better adaptability.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the utility model, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A vibration meter with high stability is characterized by comprising a vertical supporting component, a horizontal supporting component and a vibration measuring component,
the vertical support assembly comprises two vertical support rods which are oppositely arranged and fixedly connected together, and a vertical support base is arranged at the lower end of each vertical support rod;
the horizontal support assembly comprises two horizontal support rods which are oppositely arranged and fixedly connected together, the two horizontal support rods are positioned on the same horizontal plane, and each horizontal support rod is vertically connected with one vertical support rod; one end of each horizontal supporting rod, which is far away from the vertical supporting rod, is provided with a horizontal supporting base;
the vibration measuring component comprises a connecting component and a vibration measuring pen, the connecting component comprises a connecting cylinder and an internal spring coaxially arranged in the connecting cylinder, one end of the spring is fixed in the connecting cylinder, and the other end of the spring extends out of the connecting cylinder and is coaxially connected with the vibration measuring pen; the connecting cylinder is fixed on the vertical supporting component, and the connecting cylinder is perpendicular to each vertical supporting rod and is arranged in parallel to each horizontal supporting rod.
2. A high stability vibration meter according to claim 1 further comprising a bubble level gauge mounted on said vertical support assembly and disposed perpendicular to both of said vertical support bars.
3. The high-stability vibration meter according to claim 1, wherein an adjusting screw is screwed into the connecting cylinder, one end of the adjusting screw is located in the connecting cylinder and fixedly connected with the inner spring, and the other end of the adjusting screw is located outside the connecting cylinder, so that the extension length of the inner spring can be adjusted through the adjusting screw.
4. The high-stability vibration meter according to claim 1, wherein a vertical connecting joint is arranged at the same height of each of the two vertical support rods, and each vertical connecting joint divides the vertical support rod into two sections so as to adjust the vertical height of the vertical support assembly.
5. The high-stability vibration meter according to claim 1, wherein a horizontal connecting joint is arranged at the same length of each of the two horizontal support rods, and each horizontal connecting joint divides the horizontal support rod into two sections so as to adjust the horizontal length of the horizontal support assembly.
6. The machine of claim 1, wherein the vertical support base and the horizontal support base are height adjustable feet.
7. A high stability vibration meter according to claim 1, wherein said internal compression spring is a compression spring.
8. A high stability vibration meter according to claim 1, wherein the two vertical support rods are connected by a vertical connecting rod.
9. The vibration meter with high stability according to claim 1, wherein the two horizontal support rods are connected through a horizontal connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122404449.2U CN215726362U (en) | 2021-09-30 | 2021-09-30 | Vibration meter with high stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122404449.2U CN215726362U (en) | 2021-09-30 | 2021-09-30 | Vibration meter with high stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215726362U true CN215726362U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122404449.2U Active CN215726362U (en) | 2021-09-30 | 2021-09-30 | Vibration meter with high stability |
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| Country | Link |
|---|---|
| CN (1) | CN215726362U (en) |
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2021
- 2021-09-30 CN CN202122404449.2U patent/CN215726362U/en active Active
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