CN113700641B - Bearing rotating speed fluctuation detection device and method for compressor - Google Patents
Bearing rotating speed fluctuation detection device and method for compressor Download PDFInfo
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- CN113700641B CN113700641B CN202111126254.4A CN202111126254A CN113700641B CN 113700641 B CN113700641 B CN 113700641B CN 202111126254 A CN202111126254 A CN 202111126254A CN 113700641 B CN113700641 B CN 113700641B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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Abstract
The invention relates to a bearing rotating speed fluctuation detection device and method for a compressor. The bearing rotating speed fluctuation detection device for the compressor comprises a detection rod, wherein the detection rod is inserted into a rotating end of a bearing body, an outer shell part is fixedly connected to the outer part of the bearing body, a fixed inner pipe is fixedly connected to the rotating end of the bearing body, a connecting hole penetrating through a pipe wall is formed in the surface of the fixed inner pipe, a connecting piece is arranged on the surface of the detection rod, a rotation sensor is arranged inside the detection rod, the detection rod is inserted into the fixed inner pipe, the connecting piece is matched with the connecting hole of the fixed inner pipe, the detection rod rotates to drive the bearing body to rotate, and the rotation sensor in the detection rod detects the rotating speed of the connecting piece; the device and the method for detecting the fluctuation of the rotating speed of the bearing for the compressor are simple to operate, flexible to use, convenient to detect the fluctuation of the rotating speed of the bearing for the compressor, low in overall preparation cost, convenient to carry and convenient to popularize and use.
Description
Technical Field
The invention belongs to the technical field of rotating speed detection, and particularly relates to a bearing rotating speed fluctuation detection device and method for a compressor.
Background
With the development of larger, higher and faster performance of the compressor, the bearings on the rotor of the compressor generate more heat, and a series of factors such as the increase of the rotating speed of the rotor cause the rotor to vibrate and be unstable, the performance problem of the bearings becomes more and more severe, and the bearings on the steam turbine and the compressor are required to have higher requirements and higher standards. The existing bearing detection mode is that a bearing part is placed on an instrument, whether the size of each part of a bearing is within a specified range is manually measured, if the size of each part of the bearing is within the specified range, the bearing is a qualified product, and if not, the bearing is an unqualified product. The detection mode is not comprehensive and accurate, and the reason causing the rotor vibration cannot be found fundamentally, so that the efficient and reliable operation of the rotor cannot be ensured.
Disclosure of Invention
The invention aims to solve the problems and provide a device and a method for detecting the fluctuation of the rotating speed of a bearing for a compressor, which have simple structure and reasonable design.
The invention realizes the purpose through the following technical scheme:
the utility model provides a undulant detection device of bearing rotational speed for compressor, includes the measuring pole, the measuring pole inserts in the rotation end of the bearing body, the outer shell spare of outside fixedly connected with of bearing body, the fixed inner tube of rotation end fixedly connected with of bearing body, the connecting hole that runs through the pipe wall is seted up on the surface of fixed inner tube, the surface of measuring pole is provided with the connecting piece, the inside of measuring pole is provided with rotation sensor, the measuring pole inserts in the inside of fixed inner tube, the connecting piece with the connecting hole cooperation of fixed inner tube, the measuring pole rotates, and the drive bearing body rotates, rotation sensor in the measuring pole detects the slew velocity of connecting piece, rotation sensor is connected with detection and analysis mechanism, rotation sensor carries rotational speed data to in the detection and analysis mechanism.
As a further optimization scheme of the invention, the outer surface of the shell piece is provided with a threaded hole piece, and the shell piece is fixed by matching a bolt through the threaded hole piece.
As a further optimization scheme of the invention, the surface of the detection rod is provided with a driving pipe fitting, and the driving pipe fitting is connected with a driving motor.
As a further optimized scheme of the invention, the outer surface of the driving pipe fitting is fixedly connected with a driving gear, and the driving pipe fitting is connected with a driving motor through the driving gear.
As a further optimized scheme of the invention, the interior of the driving pipe fitting is fixedly connected with an outer pipe fitting, the interior of the outer pipe fitting is fixedly connected with a detection inner pipe, the outer surface of the outer pipe fitting is provided with an outlet hole, and the connecting piece penetrates out of the outlet hole and penetrates through the connecting hole.
As a further optimized solution of the present invention, the connecting member includes a wedge member, the wedge member includes a planar end and an inclined end, the planar end and the inclined end are disposed opposite to each other, the planar end is fixedly connected with an air bag, the air bag is fixedly connected with a bottom plate, an external surface of the bottom plate is fixedly connected with a lower rod, an external surface of the lower rod is fixedly connected with an upper rod, the upper rod penetrates out of the hole, the lower rod is located in the hole, an external surface of the upper rod is fixedly connected with a reinforcing member, and the reinforcing member is communicated with the air bag.
As a further optimization scheme of the invention, an elastic element and a limiting rod element are arranged in the bag element, a limiting groove is formed in the inner surface of the outer tube element, a spring element is arranged in the limiting groove, and one end of the spring element is connected with the bottom plate element.
As a further optimization scheme of the invention, one end of the detection inner tube is open, a fixing rod is inserted into the open end, the fixing rod comprises a rod body and a conical head, the conical head is matched with the wedge block piece, the wedge block piece is positioned on the surface of the conical head to rotate, a rotation sensor is arranged on the surface of the conical head, a matching piece is arranged at the bottom of the wedge block piece, and the rotation sensor detects the rotating speed of the bearing body based on the matching piece.
As a further optimization scheme of the invention, the surface of the conical head is provided with a strip-shaped groove, the rod body is a hollow rod body, an inserted rod is inserted into the rod body, the insertion end of the inserted rod is connected with a rotation sensor, and the rotation sensor is exposed out of the strip-shaped groove.
The detection method for the bearing rotating speed fluctuation detection device for the compressor comprises a detection device, the device comprises a detection rod, the detection rod is inserted into the rotating end of a bearing body, the outer part of the bearing body is fixedly connected with a shell piece, the rotating end of the bearing body is fixedly connected with a fixed inner tube, the surface of the fixed inner tube is provided with a connecting hole penetrating through the tube wall, the surface of the detection rod is provided with a connecting piece, the interior of the detection rod is provided with a rotation sensor, the detection rod is inserted into the fixed inner tube, the connecting piece is matched with the connecting hole of the fixed inner tube, the detection rod rotates to drive the bearing body to rotate, the rotation sensor in the detection rod detects the rotation speed of the connecting piece, the rotation sensor is connected with a detection and analysis mechanism, and the rotation sensor transmits rotation speed data to the detection and analysis mechanism; the method also comprises the steps of fixing the shell piece during use, connecting the detection rod with the rotating end of the bearing body, detecting and recording the rotating speed of the detection rod, and analyzing the rotating fluctuation of the bearing body.
The invention has the beneficial effects that: the invention is provided with the detection rod, the rotation fluctuation of the bearing body is detected by matching the detection rod with the fixed rod and the inserted rod, the whole device has better integration, the movable connecting piece is arranged and is convenient to be connected with the fixed inner tube in the bearing body, the surface of the upper rod body is provided with the reinforcing piece, the connecting holes with different apertures are matched by the movement of the connecting piece, so that the whole device has good adaptability, meanwhile, the rotation speed detection method is realized by matching the rotation sensor with the matching piece, the operation of fluctuation detection is reduced, the detection complexity is reduced, and the damage to the bearing body caused by detection is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the bearing body of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the construction of the test rod of the present invention;
FIG. 4 is a schematic top view of the test rod of the present invention;
FIG. 5 is a schematic view of the internal structure of the test rod of the present invention;
FIG. 6 is a schematic view of the construction of the connector of the present invention;
fig. 7 is a schematic view of the connector bladder of the present invention in an uncompressed configuration.
In the figure: 1. a housing member; 11. a threaded member; 2. a bearing body; 3. fixing the inner pipe; 31. connecting holes; 4. a detection lever; 41. a drive gear; 42. driving the pipe fitting; 43. detecting the inner tube; 44. an outlet hole; 45. a limiting groove; 46. an outer tubular member; 5. fixing the rod; 51. a rod body; 52. a conical head; 53. a rotation sensor; 54. a strip-shaped groove; 55. inserting a rod; 6. a connecting member; 61. a rod piece is arranged; 62. a rod piece is arranged below; 63. a floor member; 64. a bladder member; 65. a wedge member; 66. a reinforcement; 67. a spring member.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1 to 7, a bearing rotational speed fluctuation detecting apparatus for a compressor includes a detecting lever 4, the detection rod 4 is inserted into the rotating end of the bearing body 2, the outer part of the bearing body 2 is fixedly connected with the shell component 1, the rotating end of the bearing body 2 is fixedly connected with a fixed inner tube 3, the surface of the fixed inner tube 3 is provided with a connecting hole 31 penetrating through the tube wall, the surface of the detection rod 4 is provided with a connecting piece 6, the interior of the detection rod 4 is provided with a rotation sensor 53, the detection rod 4 is inserted into the fixed inner tube 3, the connecting piece 6 is matched with the connecting hole 31 of the fixed inner tube 3, the detection rod 4 rotates to drive the bearing body 2 to rotate, the rotation sensor 53 in the detection rod 4 detects the rotation speed of the connecting piece 6, the rotation sensor 53 is connected with a detection and analysis mechanism, and the rotation sensor 53 transmits rotation speed data to the detection and analysis mechanism.
Specifically, the outer surface of the outer shell member 1 is provided with a threaded hole member 11, and the outer shell member 1 is fixed by the threaded hole member 11 in cooperation with a bolt. The surface of the detection rod 4 is provided with a driving pipe fitting 42, and the driving pipe fitting 42 is connected with a driving motor. The outer surface of the driving pipe member 42 is fixedly connected with a driving gear 41, and the driving pipe member 42 is connected with a driving motor through the driving gear 41.
Further, an outer pipe element 46 is fixedly connected to the inside of the driving pipe element 42, a detection inner pipe 43 is fixedly connected to the inside of the outer pipe element 46, an outlet 44 is formed in the outer surface of the outer pipe element 46, and the connecting element 6 penetrates out of the outlet 44 and penetrates through the connecting hole 31. The connecting piece 6 comprises a wedge piece 65, the wedge piece 65 comprises a plane end and a bevel end, the plane end and the bevel end are arranged opposite to each other, the plane end is fixedly connected with a bag 64, the bag 64 is fixedly connected with a bottom plate 63, the outer surface of the bottom plate 63 is fixedly connected with a lower rod 62, the outer surface of the lower rod 62 is fixedly connected with an upper rod 61, the upper rod 61 penetrates out of the outlet 44, the lower rod 62 is located in the outlet 44, the outer surface of the upper rod 61 is fixedly connected with a reinforcing piece 66, and the reinforcing piece 66 is communicated with the bag 64.
The bag member 64 is internally provided with an elastic member and a limiting rod member, the limiting rod member comprises an external tube body and an internal thin rod, the internal thin rod is inserted into the external tube body and can move along the external tube body, the inner surface of the external tube member 46 is provided with a limiting groove 45, the limiting groove 45 is internally provided with a spring member 67, and one end of the spring member 67 is connected with the bottom plate member 63. In practical use, the lower rod 62 can be engaged with the wall of the outlet hole 44 to provide better stability, and in this embodiment, the bag 64 can be compressed according to the size of the connecting hole 31.
The one end of detecting inner tube 43 is uncovered, and the open end inserts has dead lever 5, dead lever 5 includes the body of rod 51 and conical head 52, conical head 52 with wedge piece 65 cooperation, wedge piece 65 is located conical head 52's surface rotates, conical head 52's surface is provided with rotation sensor 53, wedge piece 65's bottom is provided with the fitting piece, rotation sensor 53 detects the rotational speed of bearing body 2 based on the fitting piece. A strip-shaped groove 54 is formed in the surface of the conical head 52, the rod body 51 is a hollow rod body, an inserting rod 55 is inserted into the rod body 51, the inserting end of the inserting rod 55 is connected with a rotating sensor 53, and the rotating sensor 53 is exposed out of the strip-shaped groove 54.
In the use of this embodiment, when it is required to detect the rotation speed fluctuation of the bearing body 2 for a certain compressor, the whole outer shell 1 is fixed by the screw hole 11 on the surface of the outer shell 1, the detecting rod 4 is inserted into the fixed inner tube 3 in the bearing body 2, the position of the exit hole 44 is aligned with the position of the connection hole 31 on the surface of the fixed inner tube 3, the fixing rod 5 is inserted into the detecting inner tube 43, the tapered head 52 is engaged with the inclined end of the wedge 65, the wedge 65 is pushed to compress the spring 67, the elastic coefficient of the spring 67 is smaller than that of the spring 64 in the bag 64, after the spring 67 is compressed to the limit, the reinforcement 66 on the surface of the upper rod 61 is expanded by the compression of the bag 64 to strengthen the engagement with the connection hole 31, when the fixing rod 5 cannot be inserted any more, the fixing rod 5 is fixed by the bolt, also can cooperate the pouring weight to support it, make it fixed, after finishing fixing, insert the inserted bar 55 again, make rotation sensor 53 expose from bar groove 54, rotate inserted bar 55, observe the rotation sensor 53's that detection and analysis mechanism received data, after rotation sensor 53 and the bottom surface cooperation of voussoir 65, fix this inserted bar 55, start driving motor, it rotates to drive gear 41 through driving motor, thereby drive outer pipe fitting 46 and connecting piece 6 and rotate, and drive the fixed inner tube 3 rotation in the bearing body 2, through the slew velocity and the record that detect detection lever 4, the rotation of analysis bearing body 2 is undulant.
It should be noted that, when the device and the method for detecting fluctuation of bearing rotation speed for compressor are used, the detecting rod 4 is arranged, the detecting rod 4 is matched with the fixed rod 5 and the inserting rod 55 to detect the fluctuation of rotation of the bearing body 2, the whole device has better integration, the movable connecting piece 6 is arranged, the device is convenient to be connected with the fixed inner tube 3 in the bearing body 2, the surface of the upper rod body 61 is provided with the reinforcing piece 66, the connecting holes 31 with different aperture sizes are matched through the movement of the connecting piece 6, so that the whole device has good adaptability, meanwhile, the rotation speed is detected by matching the rotation sensor 53 with the matching piece, the operation of fluctuation detection is reduced, the complexity of detection is reduced, the damage to the bearing body 2 caused by detection is reduced, the whole device and the method are simple to operate and flexible to use, and are convenient to detect the fluctuation of bearing rotation speed for compressor, the whole preparation cost is low, the carrying is convenient, and the popularization and the use are convenient.
In the description of the present invention, it is to be understood that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined 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; either directly or indirectly through intervening media, either internally or in any other relationship. 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," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (9)
1. A bearing rotating speed fluctuation detection device for a compressor is characterized by comprising a detection rod, wherein the detection rod is inserted into a rotating end of a bearing body, an outer shell part is fixedly connected to the outer part of the bearing body, a fixed inner tube is fixedly connected to the rotating end of the bearing body, a connecting hole penetrating through a tube wall is formed in the surface of the fixed inner tube, a connecting piece is arranged on the surface of the detection rod, a rotation sensor is arranged in the detection rod, the detection rod is inserted into the fixed inner tube, a driving tube is arranged on the surface of the detection rod, an outer tube is fixedly connected to the inner part of the driving tube, a hole is formed in the outer surface of the outer tube, the connecting piece penetrates out of the hole and penetrates through the connecting hole, the connecting piece is matched with the connecting hole of the fixed inner tube, the detection rod rotates to drive the bearing body to rotate, a rotation sensor in the detection rod detects the rotation speed of the connecting piece, the rotation sensor is connected with a detection and analysis mechanism, and the rotation sensor transmits rotation speed data to the detection and analysis mechanism;
the connecting piece comprises a wedge piece, the wedge piece comprises a plane end and an inclined plane end, the plane end and the inclined plane end are arranged oppositely, the plane end is fixedly connected with a bag piece, the bag piece is fixedly connected with a bottom plate piece, the outer surface of the bottom plate piece is fixedly connected with a lower rod piece, the outer surface of the lower rod piece is fixedly connected with an upper rod piece, the upper rod piece penetrates out of a hole, the lower rod piece is located in the hole, the outer surface of the upper rod piece is fixedly connected with a reinforcing piece, and the reinforcing piece is communicated with the bag piece.
2. The bearing rotation speed fluctuation detecting apparatus for a compressor according to claim 1, characterized in that: the outer surface of the outer shell piece is provided with a threaded hole piece, and the outer shell piece is fixed through the threaded hole piece and a bolt.
3. A bearing rotational speed fluctuation detecting apparatus for a compressor according to claim 2, characterized in that: the driving pipe fitting is connected with a driving motor.
4. A bearing rotational speed fluctuation detecting apparatus for a compressor according to claim 3, characterized in that: the outer fixed surface of drive pipe fitting is connected with drive gear, the drive pipe fitting passes through drive gear and is connected with driving motor.
5. The bearing rotational speed fluctuation detecting apparatus for a compressor according to claim 4, characterized in that: the inside fixedly connected with of outer pipe fitting detects the inner tube.
6. A bearing rotational speed fluctuation detecting apparatus for a compressor according to claim 5, characterized in that: the bag member is internally provided with an elastic member and a limiting rod member, the inner surface of the outer pipe member is provided with a limiting groove, a spring member is arranged in the limiting groove, and one end of the spring member is connected with the bottom plate member.
7. The bearing rotational speed fluctuation detecting apparatus for a compressor according to claim 6, characterized in that: the one end of detecting the inner tube is uncovered, and the open end inserts there is the dead lever, the dead lever includes the body of rod and conical head, the conical head with wedge piece cooperation, wedge piece is located the surface rotation of conical head, the surface of conical head is provided with rotation sensor, the bottom of wedge piece is provided with the fitting piece, rotation sensor detects the rotational speed of the bearing body based on the fitting piece.
8. The bearing rotational speed fluctuation detecting apparatus for a compressor according to claim 7, characterized in that: a strip-shaped groove is formed in the surface of the conical head, the rod body is a hollow rod body, an inserting rod is inserted into the rod body, an inserting end of the inserting rod is connected with a rotation sensor, and the rotation sensor is exposed from the strip-shaped groove.
9. A detecting method for a bearing rotational speed fluctuation detecting apparatus for a compressor in accordance with claim 8, it is characterized by comprising a detection device, wherein the detection device comprises a detection rod, the detection rod is inserted into the rotating end of the bearing body, the outer part of the bearing body is fixedly connected with a shell piece, the rotating end of the bearing body is fixedly connected with a fixed inner pipe, the surface of the fixed inner tube is provided with a connecting hole penetrating through the tube wall, the surface of the detection rod is provided with a connecting piece, the inside of the detection rod is provided with a rotation sensor, the detection rod is inserted into the fixed inner tube, the connecting piece is matched with the connecting hole of the fixed inner tube, the detection rod rotates to drive the bearing body to rotate, a rotation sensor in the detection rod detects the rotation speed of the connecting piece, the rotation sensor is connected with a detection and analysis mechanism, and the rotation sensor transmits rotation speed data to the detection and analysis mechanism; the method also comprises the steps of fixing the shell piece during use, connecting the detection rod with the rotating end of the bearing body, detecting and recording the rotating speed of the detection rod, and analyzing the rotating fluctuation of the bearing body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111126254.4A CN113700641B (en) | 2021-09-24 | 2021-09-24 | Bearing rotating speed fluctuation detection device and method for compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111126254.4A CN113700641B (en) | 2021-09-24 | 2021-09-24 | Bearing rotating speed fluctuation detection device and method for compressor |
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| CN113700641A CN113700641A (en) | 2021-11-26 |
| CN113700641B true CN113700641B (en) | 2022-07-01 |
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| US6138520A (en) * | 1997-05-21 | 2000-10-31 | Chang; Hsin-Zong | Detecting device capable of measuring speed and torque simultaneously |
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| SE0101315L (en) * | 2001-04-12 | 2002-09-10 | Skf Ab | Warehouse with a measuring device |
| JP2007205410A (en) * | 2006-01-31 | 2007-08-16 | Ntn Corp | Wheel bearing device with rotating speed detector |
| JP2008175382A (en) * | 2006-12-18 | 2008-07-31 | Nsk Ltd | Rolling bearing unit for supporting wheel with rotating speed detector |
| JP5264191B2 (en) * | 2008-01-16 | 2013-08-14 | 京セラドキュメントソリューションズ株式会社 | Drive unit and image forming apparatus having the same |
| CN112284730A (en) * | 2019-07-11 | 2021-01-29 | 扬州康派尔机械科技有限公司 | Radial play measuring axial clearance eliminating device of deep groove ball bearing |
| CN212060302U (en) * | 2019-12-17 | 2020-12-01 | 华鹰电机科技有限公司 | Bearing velocity measurement sensor |
| CN211978955U (en) * | 2020-06-04 | 2020-11-20 | 武汉汇博鸿通电气有限公司 | Portable motor rotation speed detection equipment |
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| US6138520A (en) * | 1997-05-21 | 2000-10-31 | Chang; Hsin-Zong | Detecting device capable of measuring speed and torque simultaneously |
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| 滚动轴承振动噪声检测用驱动及测试装置;康延辉等;《轴承》;20200405(第04期);全文 * |
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