A vibration-based intelligent device fault diagnosis apparatus

Abstract

The utility model relates to the technical field of fault diagnosis discloses a kind of intelligent equipment fault diagnosis devices based on vibration, including fixed base, and the installation end surface of fixed base is equipped with piezoelectric acceleration sensor, and the installation end surface of fixed base is also detachably installed with the shell for shading piezoelectric acceleration sensor, and the end of shell away from fixed base is equipped with end cover;The end surface of fixed base away from shell is embeddedly installed with electromagnet.The intelligent equipment fault diagnosis device based on vibration, by fixed base, mounting bracket and electromagnet integrated magnetic attraction fixing, bolt fixing, thread hole fixing multiple installation modes, the best installation mode can be selected according to different actual working conditions, trinity design makes the device can seamlessly adapt to various complex working conditions from large transmission equipment to small precision instruments, and, modular assembly is used, facilitate combination use between them, improve work efficiency.

Description

Technical Field

[0001] This utility model relates to the field of fault diagnosis technology, and in particular to a vibration-based intelligent device for fault diagnosis. Background Technology

[0002] In industrial production and equipment maintenance, real-time status monitoring and fault diagnosis of critical equipment are essential for ensuring production safety, improving operational efficiency, and preventing unexpected downtime. Vibration-based fault diagnosis technology, by analyzing vibration signals generated during equipment operation, can effectively identify various potential problems such as imbalance, misalignment, bearing damage, and gear failure. Therefore, it is widely used in various rotating machinery and reciprocating equipment.

[0003] Existing vibration fault diagnosis devices typically include vibration sensors, signal conditioning circuits, data processing units, and power supply and communication modules. The mainstream installation method is to directly fix the diagnostic device to the equipment housing or a pre-set mounting base using bolts.

[0004] Industrial sites have a wide variety of equipment and complex operating conditions, and monitoring points are located in various locations. The currently common single bolt fixing method greatly limits the applicability and flexibility of fault diagnosis devices. It makes it difficult to flexibly deploy the devices according to rapidly changing monitoring needs, and there are problems such as inconvenient installation, low efficiency and poor adaptability under different operating conditions. Utility Model Content

[0005] Given that the existing installation methods are limited in their simplistic nature, which greatly restricts the applicability and flexibility of the fault diagnosis device, this utility model is proposed.

[0006] Therefore, the purpose of this utility model is to provide a vibration-based intelligent device for fault diagnosis, which aims to integrate multiple installation methods and improve the applicability and flexibility of the device installation.

[0007] To solve the above technical problems, this utility model provides the following technical solution: a vibration-based intelligent device fault diagnosis device, including a fixed base, a piezoelectric accelerometer sensor is provided on the mounting end face of the fixed base, and a housing for covering the piezoelectric accelerometer sensor can also be detachably installed on the mounting end face of the fixed base, and an end cap is provided at the end of the housing away from the fixed base; An electromagnet is embedded in the end face of the fixed base away from the outer shell, and the electromagnet and the end face of the fixed base are on the same horizontal plane. A mounting bracket is also threadedly and detachably installed on the fixed base.

[0008] As an improved technical solution, a circular partition is welded inside the housing and near one end of the end cap. The circular partition divides the inside of the housing into a sensor storage cavity and a control cavity. A shield is installed inside the control cavity, and a switch for controlling the electromagnet is installed at one end of the shield near the end cap.

[0009] As an improved technical solution, the outer shell is integrally formed with an annular protrusion at the end away from the end cover. A ring of first fixing holes is formed on the annular protrusion. A ring of first threaded holes with the same number as the first fixing holes is formed on the outer edge of one end face of the fixing base. At the same time, the first fixing holes and the first threaded holes correspond one-to-one. A first locking bolt is provided between the first threaded holes and the first fixing holes.

[0010] As an improved technical solution, the mounting bracket includes a hexagonal plate with a connecting threaded hole at the center. The peripheral surface of the fixed base is provided with external threads that are threadedly connected to the connecting threaded hole. Three locking strips are detachably installed on the peripheral surface of the hexagonal plate, and a third fixing hole is provided at the end of the locking strip away from the hexagonal plate.

[0011] As an improved technical solution, the peripheral surface of the hexagonal plate is welded with connecting blocks of the same number as the locking strips. The top of the connecting blocks is provided with a second fixing hole, and the end of the locking strip away from the third fixing hole is provided with a fixing threaded hole. A second locking bolt is threaded onto the fixing threaded hole.

[0012] As an improved technical solution, the bottom of the connecting block is provided with a limiting cavity that is adapted to the locking strip, and the limiting cavity is connected to the second fixing hole.

[0013] After adopting the above technical solution, the beneficial effects of this utility model are: 1. This utility model has locking strips in various sizes, allowing for the selection of the appropriate length based on actual working conditions. This improves the flexibility and adaptability of the diagnostic device installation and enables real-time adjustment according to actual working conditions. Furthermore, the second locking bolt passes through the second fixing hole and is threaded into the fixing threaded hole, thus achieving a detachable connection between the locking strip and the hexagonal plate, facilitating quick replacement of the locking strip.

[0014] 2. This utility model integrates a fixed base, mounting bracket, and electromagnet with multiple installation methods, including magnetic attraction, bolt fixing, and threaded hole fixing. It can select the best installation method according to different actual working conditions. The three-in-one design enables this device to seamlessly adapt to various complex working conditions, from large transmission equipment to small precision instruments. Furthermore, the modular assembly facilitates combination and use, improving work efficiency. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein: Figure 1 This is a three-dimensional structural diagram of a vibration-based intelligent device fault diagnosis device according to this utility model.

[0016] Figure 2 This is an exploded structural diagram of the fixed base and mounting bracket of a vibration-based intelligent device fault diagnosis device according to this utility model.

[0017] Figure 3 This is a cross-sectional structural diagram of the housing of a vibration-based intelligent device fault diagnosis device according to this utility model.

[0018] Figure 4 This is a schematic diagram of the electromagnet structure of a vibration-based intelligent device fault diagnosis device according to this utility model.

[0019] Explanation of reference numerals in the attached figures: 1. Fixed base; 11. First threaded hole; 2. Outer shell; 21. Annular protrusion; 22. First fixing hole; 23. Circular partition; 3. First locking bolt; 4. Mounting bracket; 41. Hexagonal plate; 42. Connecting threaded hole; 43. Connecting block; 44. Locking strip; 45. Third fixing hole; 46. Fixing threaded hole; 47. Limiting cavity; 48. Second fixing hole; 49. Second locking bolt; 5. Piezoelectric accelerometer; 6. End cap; 7. Switch; 8. Shielding cover; 9. Electromagnet. Detailed Implementation

[0020] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Example

[0021] Reference Figures 1-4 This is the first embodiment of the present invention, which provides a vibration-based intelligent device fault diagnosis device. This vibration-based intelligent device fault diagnosis device includes a fixed base 1. A piezoelectric accelerometer 5 is provided on the mounting end face of the fixed base 1. A housing 2 for covering the piezoelectric accelerometer 5 can also be detachably installed on the mounting end face of the fixed base 1. An end cap 6 is provided at the end of the housing 2 away from the fixed base 1. An electromagnet 9 is embedded in the end face of the fixed base 1 away from the outer shell 2, and the electromagnet 9 and the end face of the fixed base 1 are on the same horizontal plane. A mounting bracket 4 is also threadedly and detachably installed on the fixed base 1.

[0022] A circular partition 23 is welded inside the outer casing 2 and near the end cover 6. The circular partition 23 divides the interior of the outer casing 2 into a sensor storage cavity and a control cavity. A shielding cover 8 is installed inside the control cavity. The shielding cover 8 contains a power supply, a controller, etc. A switch 7 for controlling the electromagnet 9 is installed at the end of the shielding cover 8 near the end cover 6. When the switch 7 is turned on, the electromagnet 9 generates a strong magnetic attraction force, which tightly attracts the diagnostic device to the outer casing of the device, realizing magnetic installation.

[0023] The outer shell 2 is integrally formed with an annular protrusion 21 at the end away from the end cover 6. A ring of first fixing holes 22 is formed on the annular protrusion 21. A ring of first threaded holes 11 with the same number as the first fixing holes 22 is formed on the outer edge of one end face of the fixing base 1. At the same time, the first fixing holes 22 and the first threaded holes 11 correspond one-to-one. A first locking bolt 3 is provided between the first threaded hole 11 and the first fixing hole 22. The first locking bolt 3 passes through the first fixing hole 22 and is threadedly connected to the first threaded hole 11.

[0024] During use, the device integrates multiple installation methods, including magnetic attraction, bolt fixing, and threaded hole fixing, through the fixed base 1, mounting bracket 4, and electromagnet 9. The optimal installation method can be selected according to different actual working conditions. The three-in-one design enables the device to seamlessly adapt to various complex working conditions, from large transmission equipment to small precision instruments. Furthermore, the modular assembly facilitates combination and use, improving work efficiency. Example

[0025] Reference Figure 2 and Figure 4 This is the second embodiment of the present invention. This embodiment differs from the first embodiment in that: the mounting bracket 4 includes a hexagonal plate 41, with a connecting threaded hole 42 at the center of the hexagonal plate 41. The peripheral surface of the fixed base 1 is provided with external threads that are threadedly connected to the connecting threaded hole 42. Fixing is achieved through the threaded connection between the external threads on the fixed base 1 and the threaded hole, allowing for quick assembly and disassembly of the diagnostic device and the equipment. Three locking strips 44 are detachably installed on the peripheral surface of the hexagonal plate 41, and the locking strips 44 have a medium length. A third fixing hole 45 is provided at the end of the locking strip 44 furthest from the hexagonal plate 41. The locking strips 44 are available in various sizes, allowing selection of the appropriate length based on actual working conditions, thus improving the flexibility and adaptability of the diagnostic device installation. Real-time adjustments can be made according to actual working conditions.

[0026] The hexagonal plate 41 has connecting blocks 43 welded to its periphery, the same number as the locking strips 44. The top of the connecting block 43 has a second fixing hole 48. The end of the locking strip 44 away from the third fixing hole 45 has a fixing threaded hole 46. A second locking bolt 49 is threaded onto the fixing threaded hole 46, and the second locking bolt 49 passes through the corresponding second fixing hole 48.

[0027] The bottom of the connecting block 43 is provided with a limiting cavity 47 that is adapted to the locking strip 44, and the limiting cavity 47 is connected to the second fixing hole 48.

[0028] During use, when installing the locking strip 44 between the locking strip 44 and the hexagonal plate 41, insert the end of the locking strip 44 near the fixing threaded hole 46 into the limiting cavity 47. At this time, the fixing threaded hole 46 and the second fixing hole 48 are self-aligned. After the second locking bolt 49 passes through the second fixing hole 48, it is threaded into the fixing threaded hole 46, thus realizing the detachable connection between the locking strip 44 and the hexagonal plate 41, which facilitates the quick replacement of the locking strip 44.

[0029] The remaining structure is the same as that in Example 1.

[0030] Based on embodiments 1-2, the working principle of this utility model is as follows: The fixing process between the fixed base 1 and the outer shell 2 is as follows: After aligning the first threaded hole 11 with the first fixing hole 22, the first locking bolt 3 passes through the first fixing hole 22 and is threaded into the first threaded hole 11, thereby fixing the fixing base 1 and the outer shell 2 together. The electromagnet 9 is turned on and off by switch 7. If the diagnostic device is suitable for magnetic installation, the electromagnet 9 is attached to the device housing. Switch 7 is turned on to generate a strong magnetic attraction force, which firmly attaches the diagnostic device to the device housing. When the diagnostic device is suitable for installation via a threaded hole, it is fixed directly by the threaded connection between the external thread on the fixed base 1 and the threaded hole. When using traditional bolt installation, the fixed base 1 and the hexagonal plate 41 are fixed together by the threaded connection between the external thread on the fixed base 1 and the connecting block 43. Then, the fixed bolt passes through the third fixed hole 45 and is threadedly connected to the threaded hole on the equipment housing, thus realizing the connection between the diagnostic device and the equipment.

[0031] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A vibration-based intelligent device fault diagnosis device, comprising a fixed base (1), characterized in that: The mounting end face of the fixed base (1) is provided with a piezoelectric accelerometer (5). The mounting end face of the fixed base (1) can also be detachably mounted with a housing (2) for covering the piezoelectric accelerometer (5). The end of the housing (2) away from the fixed base (1) is provided with an end cap (6). An electromagnet (9) is inlaid on one end face of the fixed base (1) away from the outer shell (2), and the electromagnet (9) and the end face of the fixed base (1) are on the same horizontal plane. A mounting bracket (4) is also threadedly and detachably installed on the fixed base (1).

2. The vibration-based intelligent device fault diagnosis device according to claim 1, characterized in that: A circular partition (23) is welded inside the outer shell (2) and near the end cap (6). The circular partition (23) divides the interior of the outer shell (2) into a sensor storage cavity and a control cavity. A shield (8) is installed inside the control cavity. A switch (7) for controlling the electromagnet (9) is installed at the end of the shield (8) near the end cap (6).

3. The vibration-based intelligent device fault diagnosis device according to claim 2, characterized in that: The outer shell (2) is integrally formed with an annular protrusion (21) at one end away from the end cap (6). A ring of first fixing holes (22) is provided on the annular protrusion (21). A ring of first threaded holes (11) with the same number as the first fixing holes (22) is provided on the outer edge of one end face of the fixed base (1). At the same time, the first fixing holes (22) and the first threaded holes (11) correspond one-to-one. A first locking bolt (3) is provided between the first threaded holes (11) and the first fixing holes (22).

4. The vibration-based intelligent device fault diagnosis device according to claim 3, characterized in that: The mounting bracket (4) includes a hexagonal plate (41), with a connecting threaded hole (42) at the center of the hexagonal plate (41). The peripheral surface of the fixed base (1) is provided with an external thread that is threadedly connected to the connecting threaded hole (42). Three locking strips (44) are detachably installed on the peripheral surface of the hexagonal plate (41). A third fixing hole (45) is provided at the end of the locking strip (44) away from the hexagonal plate (41).

5. The vibration-based intelligent device fault diagnosis device according to claim 4, characterized in that: The hexagonal plate (41) has connecting blocks (43) welded to its periphery in the same number as the locking strips (44). The top of the connecting block (43) has a second fixing hole (48). The end of the locking strip (44) away from the third fixing hole (45) has a fixing threaded hole (46). The fixing threaded hole (46) is threaded with a second locking bolt (49).

6. The vibration-based intelligent device fault diagnosis device according to claim 5, characterized in that: The bottom of the connecting block (43) is provided with a limiting cavity (47) that is compatible with the locking strip (44), and the limiting cavity (47) is connected to the second fixing hole (48).

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