CN219161618U - Multipurpose fault diagnosis experiment platform - Google Patents

Multipurpose fault diagnosis experiment platform Download PDF

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Publication number
CN219161618U
CN219161618U CN202220979916.6U CN202220979916U CN219161618U CN 219161618 U CN219161618 U CN 219161618U CN 202220979916 U CN202220979916 U CN 202220979916U CN 219161618 U CN219161618 U CN 219161618U
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assembly
experiment
bearing
fault
gear
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CN202220979916.6U
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Chinese (zh)
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宁毅
潘宜飞
孙金明
倪盛龙
马强
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Chuzhou University
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Chuzhou University
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Abstract

The utility model discloses a multipurpose fault diagnosis experiment platform, which belongs to the technical field of teaching experiment platforms and comprises a fixed platform, wherein a bearing fault experiment assembly, a gear fault experiment assembly and an unbalanced experiment assembly are arranged on the fixed platform, a limiting hole is formed in the fixed platform, a driving assembly and a load assembly are respectively arranged on two sides of the limiting hole, a placing plate corresponding to the limiting hole is arranged at the bottoms of the bearing fault experiment assembly, the gear fault experiment assembly and the unbalanced experiment assembly, the placing plate is fixed with the fixed platform through bolts, and the bearing fault experiment assembly, the gear fault experiment assembly and the unbalanced experiment assembly are arranged between the driving assembly and the load assembly according to requirements. According to the utility model, the bearing fault experimental assembly, the gear fault experimental assembly and the unbalanced experimental assembly can be selected for experiment according to the requirements, so that the bearing fault experimental assembly has more powerful functions, can be quickly in butt joint with the driving assembly and the load assembly, and reduces the connection time.

Description

Multipurpose fault diagnosis experiment platform
Technical Field
The utility model belongs to the technical field of teaching experiment platforms, and particularly relates to a multipurpose fault diagnosis experiment platform.
Background
Whether the running states of rotary machines such as gears, shafts and bearings directly affect the machining precision, running reliability, service life and other performance parameters of the whole large-scale mechanical equipment or not is normal, and research on the running state monitoring, fault diagnosis and prediction methods of the rotary machines is a foundation for guaranteeing the running safety and stability of the mechanical equipment.
The existing fault experimental device is single, the function is insufficient to meet experimental faults under various conditions, if two or more fault experiments are carried out, different fault experimental devices need to be replaced, but when the fault experimental device is replaced, positioning is difficult, coaxiality cannot be kept with a driving device quickly, connection with the driving device is affected, and follow-up experiments are affected.
Disclosure of Invention
The utility model aims to provide a multipurpose fault diagnosis experiment platform which solves the problems that the existing fault experiment device is single, the function is insufficient to meet experimental faults under various conditions, if two or more fault experiments are carried out, different fault experiment devices need to be replaced, but when the fault experiment devices are replaced, the positioning is difficult, the coaxiality of the fault experiment devices cannot be quickly maintained with a driving device, the connection with the driving device is influenced, and the follow-up experiment is influenced.
The utility model provides a multipurpose fault diagnosis experiment platform, includes fixed platform, bearing fault experiment subassembly, gear fault experiment subassembly and unbalanced experiment subassembly have been placed on the fixed platform, set up spacing hole on the fixed platform just spacing hole's both sides are equipped with drive assembly and load subassembly respectively, bearing fault experiment subassembly, gear fault experiment subassembly and unbalanced experiment subassembly's bottom be provided with spacing hole correspond place the board just place the board with pass through the bolt fastening between the fixed platform, bearing fault experiment subassembly, gear fault experiment subassembly and unbalanced experiment subassembly are installed as required between drive assembly and the load subassembly.
Preferably, the driving assembly comprises a servo motor, a controller assembly and a data acquisition module assembly, the load assembly comprises a magnetic brake, the controller assembly is electrically connected with the servo motor and controls the rotating speed of the servo motor, an output shaft of the servo motor is connected to one end of the bearing fault experiment assembly, one end of the gear fault experiment assembly and one end of the unbalance experiment assembly as required by means of a coupler, the other end of the bearing fault experiment assembly, the other end of the gear fault experiment assembly and the other end of the unbalance experiment assembly are connected to the magnetic brake as required, and the data acquisition module assembly is arranged on the fixed platform and acquires motion data of the bearing fault experiment assembly, the gear fault experiment assembly and the unbalance experiment assembly.
Preferably, the bearing fault experiment assembly comprises a fixed bearing seat, a detection bearing seat and a first rotating shaft, the two sides of the detection bearing seat are symmetrically and fixedly connected with the fixed bearing seat, the tops of the fixed bearing seat and the detection bearing seat are provided with bearing placing grooves, the tops of the fixed bearing seat and the detection bearing seat are fixedly connected with an arc-shaped pressing plate through bolts, the bearing to be detected and the fixed bearing are respectively and rotatably connected between the detection bearing seat and the arc-shaped pressing plate as well as between the fixed bearing seat and the arc-shaped pressing plate, and the first rotating shaft penetrates through the fixed bearing and the bearing to be detected, and the two ends of the first rotating shaft are respectively connected to the servo motor and the magnetic brake.
Preferably, the gear fault experiment assembly comprises a gear box and a connecting seat, a second rotating shaft is rotatably connected to the connecting seat, one end of the second rotating shaft extends into the gear box, a gear to be detected is installed in the gear box, and the end part of the second rotating shaft is connected with the servo motor.
Preferably, the unbalanced experiment assembly comprises a rotating shaft fixing seat, a balance disc and a rotating shaft III, the rotating shaft fixing seat is symmetrically and rotationally connected to two ends of the rotating shaft III, the balance disc is symmetrically and coaxially sleeved on two sides of the rotating shaft III, a plurality of weighting holes are uniformly spaced on the surface of the balance disc along the circumferential direction of the balance disc, and weighting bolts are fixedly inserted in the weighting holes.
The utility model has the following advantages:
according to the utility model, the bearing fault experimental assembly, the gear fault experimental assembly and the unbalance experimental assembly are arranged on the fixed platform, and the bearing fault experimental assembly, the gear fault experimental assembly and the unbalance experimental assembly can be tested according to requirements, so that the experimental modules are more, the functions are wider, when different experimental modules are tested, the placing plate is placed on the limiting hole, and the experimental modules are rapidly limited, so that the connection with a servo motor or a magnetic brake can be rapidly realized, the connection efficiency is accelerated, the bearing fault experimental assembly can be tested at different rotating speeds and under different loads, and the experimental data is richer. According to the utility model, the experimental module can be replaced as required, the installation time is reduced, and the experimental data is more abundant.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of the fixing platform of the structure shown in fig. 1.
FIG. 3 is a schematic view of a bearing failure module of the configuration of FIG. 1;
FIG. 4 is a schematic diagram of a gear failure experimental assembly of the configuration shown in FIG. 1;
fig. 5 is a schematic structural diagram of an unbalance experimental assembly of the structure shown in fig. 1.
The marks in the drawings are:
1. a fixed platform; 10. placing a plate; 11. a limiting hole;
2. a drive assembly; 20. a servo motor; 21. a controller assembly; 22. a data acquisition module assembly;
3. a load assembly; 30. a magnetic brake;
4. bearing failure experimental assembly; 40. fixing a bearing seat; 41. detecting a bearing seat; 42. a first rotating shaft; 43. an arc-shaped pressing plate;
5. a gear failure experimental assembly; 50. a gear box; 51. a connecting seat; 52. a second rotating shaft;
6. an imbalance experimental component; 60. a rotating shaft fixing seat; 61. a balancing disk; 62. a third rotating shaft; 63. a weighted aperture; 64. the bolt is weighted.
Detailed Description
The following detailed description of the embodiments of the utility model, given by way of example only, is presented in the accompanying drawings to aid in a more complete, accurate, and thorough understanding of the inventive concepts and aspects of the utility model by those skilled in the art.
As shown in fig. 1-5, the utility model provides a multipurpose fault diagnosis experiment platform, which comprises a fixed platform 1, wherein a bearing fault experiment component 4, a gear fault experiment component 5 and an unbalance experiment component 6 are placed on the fixed platform 1, a limiting hole 11 is formed in the fixed platform 1, a driving component 2 and a load component 3 are respectively arranged on two sides of the limiting hole 11, a placing plate 10 corresponding to the limiting hole 11 is arranged at the bottoms of the bearing fault experiment component 4, the gear fault experiment component 5 and the unbalance experiment component 6, the placing plate 10 is fixed with the fixed platform 1 through bolts, and the bearing fault experiment component 4, the gear fault experiment component 5 and the unbalance experiment component 6 are installed between the driving component 2 and the load component 3 according to requirements.
The driving assembly 2 comprises a servo motor 20, a controller assembly 21 and a data acquisition module assembly 22, the load assembly 3 comprises a magnetic brake 30, the controller assembly 21 is electrically connected with the servo motor 20 and controls the rotating speed of the servo motor 20, an output shaft of the servo motor 20 is connected to one ends of the bearing fault experiment assembly 4, the gear fault experiment assembly 5 and the unbalance experiment assembly 6 as required by means of a coupler, the other ends of the bearing fault experiment assembly 4, the gear fault experiment assembly 5 and the unbalance experiment assembly 6 are connected to the magnetic brake 30 as required, the data acquisition module assembly 22 is arranged on the fixed platform 1 and the data acquisition module assembly 22 acquires motion data of the bearing fault experiment assembly 4, the gear fault experiment assembly 5 and the unbalance experiment assembly 6.
The controller assembly 21 is connected with the servo motor 20 to control the rotational speed of the servo motor 20, after the servo motor 20 is connected with the bearing fault experiment assembly 4, the gear fault experiment assembly 5 and the unbalanced experiment assembly 6, the servo motor 20 drives the bearing fault experiment assembly 4, the gear fault experiment assembly 5 and the unbalanced experiment assembly 6 to synchronously rotate, so that the rotational conditions of the bearing fault experiment assembly 4, the gear fault experiment assembly 5 and the unbalanced experiment assembly 6 under different rotational speeds are tested, the data acquisition module assembly 22 is used for the motion data of the bearing fault experiment assembly 4, the gear fault experiment assembly 5 and the unbalanced experiment assembly 6 and comprises acceleration, vibration amplitude or vibration frequency, different data represent different faults of the bearing fault experiment assembly 4, the gear fault experiment assembly 5 and the unbalanced experiment assembly 6, students are required to judge by themselves, the output end of the data acquisition module assembly 22 can also be connected to the controller assembly 21 or an independent display terminal, the data are acquired and the motion data can be visually displayed on the display terminal.
The bearing fault experiment assembly 4 comprises a fixed bearing seat 40, a detection bearing seat 41 and a first rotating shaft 42, the fixed bearing seat 40 is fixedly connected to two sides of the detection bearing seat 41, bearing placing grooves are formed in the tops of the fixed bearing seat 40 and the detection bearing seat 41, an arc-shaped pressing plate 43 is fixedly connected to the tops of the fixed bearing seat 40 and the detection bearing seat 41 through bolts, a bearing to be detected and the fixed bearing are respectively and rotatably connected between the detection bearing seat 41 and the arc-shaped pressing plate 43 and between the fixed bearing seat 40 and the arc-shaped pressing plate 43, and the first rotating shaft 42 penetrates through the fixed bearing and the bearing to be detected, and two ends of the first rotating shaft 42 are respectively connected to the servo motor 20 and the magnetic brake 30.
When the bearing fault experiment assembly 4 is tested, the fixed bearing seat 40 and the detection bearing seat 41 are changed into split bearing seats which can be split up and down, after the fixing bolts are loosened, the arc-shaped pressing plates 43 can be taken down from the fixed bearing seat 40 and the detection bearing seat 41, bearings needing to be detected are replaced, the bearings to be detected and the fixed bearings are respectively and rotatably connected between the detection bearing seat 41 and the arc-shaped pressing plates 43 and between the fixed bearing seat 40 and the arc-shaped pressing plates 43, the first rotating shaft 42 is fixedly connected with the bearings to be detected and the fixed bearings, after the first rotating shaft 42 is connected with the servo motor 20, the bearings to be detected and the fixed bearings can be driven to synchronously rotate, if the bearings to be detected have faults, the rotating speed or the vibration amplitude of the bearings to be detected are necessarily different from that of the normal bearings, specific faults of the bearings to be detected are judged according to the data, the fixed bearing seats are respectively arranged at two sides of the detection bearing seat 41, so that two supporting points are added to the first rotating shaft 42 are realized, and the magnetic brake 30 can increase loads to the first rotating shaft 42, so that the rotating states of the bearings to be detected under different loads can be realized.
The gear fault experiment assembly 5 comprises a gear box 50 and a connecting seat 51, a second rotating shaft 52 is rotatably connected to the connecting seat 51, one end of the second rotating shaft 52 extends into the gear box 50, a gear to be detected is installed in the gear box 50, and the end of the second rotating shaft 52 is connected with the servo motor 20.
When testing the gear fault experiment assembly 5, the gear fault experiment assembly 5 is placed between the driving assembly 2 and the load assembly 3, the end part of the second rotating shaft 52 is connected with the servo motor 20, one end of the second rotating shaft 52 extends into the gear box 50, the gear to be tested in the gear box 50 is driven to rotate through the second rotating shaft 52, the data acquisition module assembly 22 acquires the motion data of the gear to be tested, if the gear to be tested has faults, the rotating speed or the vibration amplitude of the gear to be tested is necessarily different from that of the normal gear, and the specific faults of the gear to be tested are judged by the data.
The unbalance experiment assembly 6 comprises a rotating shaft fixing seat 60, a balance disc 61 and a rotating shaft three 62, the rotating shaft fixing seat 60 is symmetrically and rotatably connected to two ends of the rotating shaft three 62, the balance disc 61 is symmetrically and coaxially sleeved on two sides of the rotating shaft three 62, a plurality of weighting holes 63 are uniformly formed in the surface of the balance disc 61 at intervals along the circumferential direction of the balance disc, and weighting bolts 64 are fixedly inserted into the weighting holes 63.
When the unbalanced experiment assembly 6 is tested, one end of the rotating shaft III 62 is connected with the servo motor 20, the balance disc 61 can be driven to rotate by the rotation of the rotating shaft III 62, one side of the balance disc 61 is weighted by the weighting bolt 64, the weight of the balance disc 61 is further changed, the data acquisition module assembly 22 acquires the motion data of the balance disc 61, the motion data are necessarily different from the motion data of the normal balance disc 61, and the specific fault data of the balance disc 61 are judged by the data.
Working principle: the bearing fault experiment assembly 4, the gear fault experiment assembly 5 and the unbalance experiment assembly 6 are arranged on the fixed platform 1, the bearing fault experiment assembly 4, the gear fault experiment assembly 5 and the unbalance experiment assembly 6 can be tested according to the needs, so that the experiment modules are more and have wider functions, when different experiment modules are tested, the placing plate 10 is placed on the limiting hole 11 to rapidly limit the experiment modules so as to be capable of being rapidly connected with the servo motor 20 or the magnetic brake 30 for accelerating the connection efficiency, when the bearing fault experiment assembly 4 is tested, the fixed bearing seat 40 and the detection bearing seat 41 are changed into split bearing seats which are vertically separable, after the fixing bolts are loosened, the arc-shaped pressing plate 43 can be taken down from the fixed bearing seat 40 and the detection bearing seat 41 to replace the bearing needing to be detected, the bearing to be detected and the fixed bearing are respectively and rotatably connected between the detection bearing seat 41 and the arc-shaped pressing plate 43 and between the fixed bearing seat 40 and the arc-shaped pressing plate 43, the first rotating shaft 42 is fixedly connected with the bearing to be detected and the fixed bearing, after the first rotating shaft 42 is connected with the servo motor 20, the bearing to be detected and the fixed bearing can be driven to synchronously rotate, if the bearing to be detected has faults, the rotating speed or the vibration amplitude of the bearing to be detected is necessarily different from that of the normal bearing, the specific faults of the bearing to be detected are judged by the data, the fixed bearing seats are respectively arranged at the two sides of the detection bearing seat 41, the purpose is to add two fulcrums to the first rotating shaft 42 to realize the support of the first rotating shaft 42, the magnetic brake 30 can add loads to the first rotating shaft 42, so that the rotating states of the bearing to be detected under different loads are realized, when the gear fault experiment assembly 5 is tested, the gear fault experiment assembly 5 is placed between the driving assembly 2 and the load assembly 3, the end of the second rotating shaft 52 is connected with the servo motor 20, one end of the second rotating shaft 52 extends into the gear box 50, the second rotating shaft 52 drives a gear to be tested in the gear box 50 to rotate, the data acquisition module assembly 22 acquires motion data of the gear to be tested, if the gear to be tested has faults, the rotating speed or vibration amplitude of the gear to be tested is necessarily different from that of a normal gear, the data are used for judging specific faults of the gear to be tested, when the unbalanced experiment assembly 6 is tested, one end of the third rotating shaft 62 is connected with the servo motor 20, the rotation of the third rotating shaft 62 can drive the balance disc 61 to rotate, one side of the balance disc 61 is weighted through the weighting bolt 64, the weight of the balance disc 61 is further changed, the data acquisition module assembly 22 acquires the motion data of the balance disc 61, and compared with the normal balance disc 61, the data are necessarily different, and fault data of the balance disc 61 are judged through the data.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified or applied to other applications without modification, as long as various insubstantial modifications of the inventive concept and technical solutions are adopted, all within the scope of the utility model.

Claims (1)

1. A multipurpose fault diagnosis experiment platform is characterized in that: the device comprises a fixed platform (1), wherein a bearing fault experiment component (4), a gear fault experiment component (5) and an unbalanced experiment component (6) are placed on the fixed platform (1), a limiting hole (11) is formed in the fixed platform (1), a driving component (2) and a load component (3) are respectively arranged on two sides of the limiting hole (11), a placing plate (10) corresponding to the limiting hole (11) and the placing plate (10) are arranged at the bottoms of the bearing fault experiment component (4), the gear fault experiment component (5) and the unbalanced experiment component (6), and the bearing fault experiment component (4), the gear fault experiment component (5) and the unbalanced experiment component (6) are fixed between the driving component (2) and the load component (3) according to requirements;
the driving assembly (2) comprises a servo motor (20), a controller assembly (21) and a data acquisition module assembly (22), the load assembly (3) comprises a magnetic brake (30), the controller assembly (21) is electrically connected with the servo motor (20) and controls the rotating speed of the servo motor (20), an output shaft of the servo motor (20) is connected to one end of the bearing failure experiment assembly (4), one end of the gear failure experiment assembly (5) and one end of the unbalance experiment assembly (6) by means of a coupler as required, the other ends of the bearing failure experiment assembly (4), the gear failure experiment assembly (5) and the unbalance experiment assembly (6) are connected to the magnetic brake (30) as required, the data acquisition module assembly (22) is arranged on the fixed platform (1), and the data acquisition module assembly (22) acquires motion data of the bearing failure experiment assembly (4), the gear failure experiment assembly (5) and the unbalance experiment assembly (6);
the bearing fault experiment assembly (4) comprises a fixed bearing seat (40), a detection bearing seat (41) and a first rotating shaft (42), the fixed bearing seat (40) is fixedly connected to two sides of the detection bearing seat (41) symmetrically, bearing placing grooves are formed in the tops of the fixed bearing seat (40) and the detection bearing seat (41) and are fixedly connected with an arc-shaped pressing plate (43) through bolts, a bearing to be detected and the fixed bearing are respectively and rotatably connected between the detection bearing seat (41) and the arc-shaped pressing plate (43) and between the fixed bearing seat (40) and the arc-shaped pressing plate (43), and the first rotating shaft (42) penetrates through the fixed bearing and the bearing to be detected, and two ends of the first rotating shaft (42) are respectively connected to the servo motor (20) and the magnetic brake (30);
the gear fault experiment assembly (5) comprises a gear box (50) and a connecting seat (51), a second rotating shaft (52) is rotatably connected to the connecting seat (51), one end of the second rotating shaft (52) extends into the gear box (50), a gear to be detected is installed in the gear box (50), and the end part of the second rotating shaft (52) is connected with the servo motor (20);
unbalanced experiment subassembly (6) are including pivot fixing base (60), balance disc (61) and pivot three (62), the both ends symmetry rotation of pivot three (62) is connected with pivot fixing base (60), the coaxial fixed cover of bilateral symmetry of pivot three (62) is equipped with balance disc (61), the surface of balance disc (61) is evenly spaced apart along its circumferencial direction has a plurality of accentuating hole (63) just accentuating hole (63) internal fixation peg graft has accentuating bolt (64).
CN202220979916.6U 2022-04-26 2022-04-26 Multipurpose fault diagnosis experiment platform Active CN219161618U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220979916.6U CN219161618U (en) 2022-04-26 2022-04-26 Multipurpose fault diagnosis experiment platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220979916.6U CN219161618U (en) 2022-04-26 2022-04-26 Multipurpose fault diagnosis experiment platform

Publications (1)

Publication Number Publication Date
CN219161618U true CN219161618U (en) 2023-06-09

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ID=86638576

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Application Number Title Priority Date Filing Date
CN202220979916.6U Active CN219161618U (en) 2022-04-26 2022-04-26 Multipurpose fault diagnosis experiment platform

Country Status (1)

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CN (1) CN219161618U (en)

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