CN219224031U - Large-scale motor rotor dynamic balance test platform - Google Patents
Large-scale motor rotor dynamic balance test platform Download PDFInfo
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- CN219224031U CN219224031U CN202320547105.3U CN202320547105U CN219224031U CN 219224031 U CN219224031 U CN 219224031U CN 202320547105 U CN202320547105 U CN 202320547105U CN 219224031 U CN219224031 U CN 219224031U
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Abstract
The utility model discloses a dynamic balance test platform for a large motor rotor, which comprises a base, a detection seat and a control cabinet, wherein at least one mounting table for mounting a motor to be tested is arranged on the base, two groups of detection seats for supporting two ends of the rotor on the motor to be tested are arranged on the mounting table, the control cabinet is electrically connected with the detection seats and can control the actions of the detection seats, sliding rails are arranged on the positions, located on two sides of the mounting table, of the base, a protective cover is connected between the two groups of sliding rails in a sliding manner, the motor to be tested can be covered in the protective cover, the protective cover is driven by a driving mechanism, and the control cabinet is electrically connected with the driving mechanism and can control the actions of the driving mechanism. According to the utility model, the motor to be detected is protected through the protective cover, so that the safety of detection is ensured.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a dynamic balance test platform for a large-sized motor rotor.
Background
Along with the development of heavy industry enterprises, the use frequency of the large motor is higher and higher, and especially the large motor reaches a certain service life, or the coil winding is easy to damage or the insulating layer is damaged due to the reasons of aging, overload and the like of the coil winding, so that the motor cannot be used. The large motor has large size, heavy weight and high cost; and many large-scale motors are shaped products designed according to the production process, and replacement products are difficult to purchase in the market after faults occur, so that the damaged large-scale motors often need to be manufactured again or can be used continuously after maintenance. If the large motors are directly scrapped, the waste is quite high, and the cost is high; and it is difficult to find a substitute for replacement. Thus, the damaged large motors are typically manufactured or repaired so that they can be reused.
Since the large motor must be disassembled before remanufacturing, remanufacturability analysis of each disassembled component is performed to evaluate the remanufacturability of the component. When the motor rotor rotates, centrifugal inertia force generated by each micro particle on the motor rotor cannot be offset, the centrifugal inertia force acts on a machine and other mechanisms through a bearing, vibration is caused, noise is generated, bearing abrasion is accelerated, the service life of the machine is shortened, and destructive accidents can be caused in serious cases. Therefore, the dynamic balance test is required to be carried out on the disassembled motor rotor through the dynamic balance test platform, and the motor rotor is regulated in the test process to reach the allowable balance precision level. In the existing test platform detection process, as the motor shell is not additionally arranged, the motor rotor is easy to shake, the beating frequency of the motor rotor is higher, the coil is likely to be thrown outwards, and the safety problem exists.
Disclosure of Invention
The utility model aims to at least solve one of the above-mentioned technical problems, and provides a dynamic balance test platform for a large-sized motor rotor, which is used for protecting a motor to be tested through a protective cover so as to ensure the safety of detection.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a large-scale motor rotor dynamic balance test platform, includes base, detection seat and switch board, be provided with at least one mount pad that is used for installing the motor that awaits measuring on the base, be equipped with two sets of detection seats that are used for supporting the both ends of rotor on the motor that awaits measuring on the mount pad, the switch board is connected with the detection seat electricity and can control the action of detecting the seat, its characterized in that, the slide rail has all been seted up on the position that the base is located the mount pad both sides, two sets of sliding connection has the protection casing between the slide rail, the motor that awaits measuring can be installed in the protection casing by the cover, the protection casing passes through actuating mechanism drive, the switch board is connected with actuating mechanism electricity and can control actuating mechanism's action.
As the improvement of above-mentioned technical scheme, actuating mechanism includes driving motor and two sets of pulleys, all be equipped with the pulley seat on the both ends of protection casing bottom, two sets of the pulley is all installed through the pivot rotation two sets of on the pulley seat and respectively can with correspond the slide rail cooperatees, be equipped with the motor cabinet on one side of protection casing, driving motor installs on the motor cabinet and the output is connected with arbitrary the pivot, driving motor is connected with the switch board electricity.
As the improvement of above-mentioned technical scheme, the protection casing is including left protection casing and the right protection casing that can mutually support, left side protection casing and right protection casing all sliding connection are two sets of just the opening sets up relatively between the slide rail, left side protection casing and right protection casing drive through corresponding actuating mechanism respectively.
As an improvement of the technical scheme, an operation door is hinged on the outer side of the protective cover.
As the improvement of the technical scheme, the control cabinet is connected with at least one group of vibration detectors, at least two groups of temperature detectors and at least one group of coaxiality detectors, at least one group of temperature detectors and the detection ends of at least one group of coaxiality detectors are all installed in the detection seat, and the detection ends of the vibration detectors and the at least one group of temperature detectors are abutted to the rotating shaft of the motor to be detected.
As an improvement of the technical scheme, the control cabinet is also provided with a signal conditioning unit, a signal acquisition unit and a central processing unit; the signal conditioning unit is used for receiving data signals detected by the vibration detector, the temperature detector and the coaxiality detector; the signal acquisition unit receives and adjusts the data signals conditioned by the signal conditioning unit, the central processing unit receives and calculates the data signals output by the signal acquisition unit, and the central processing unit is in communication connection with an external terminal through a data line or a wireless communication module.
As an improvement of the technical scheme, the monitoring equipment is arranged in the protective cover, and is electrically connected with the central processing unit and is in communication connection with an external terminal through a data line or wireless communication.
As an improvement of the technical scheme, an alarm lamp is arranged outside the protective cover, the central processing unit is electrically connected with the alarm lamp, and when the data signal detected by any one of the detector, the temperature detector and the coaxiality detector exceeds the preset threshold value in the central processing unit, the central processing unit controls the alarm lamp to act for alarming.
As an improvement of the technical scheme, bolt fixing grooves are formed in two sides of the mounting table, and two ends of the detection seat are respectively arranged on the bolt fixing grooves in two sides.
As an improvement of the technical scheme, the detection seat comprises a base and a retaining ring, wherein the base is detachably arranged in the bolt fixing groove; the top of base sets up first semicircle ring along bolt fixed slot direction, one side of buckle articulates on one side of the base, and the other end passes through the opposite side locking of bolt and base, the buckle inboard is provided with the second semicircle ring of cooperation first semicircle ring, first semicircle ring and second semicircle ring cooperation suit are on the rotor main shaft of motor that awaits measuring.
Compared with the prior art, the beneficial effects of this application are:
according to the dynamic balance test platform for the large motor rotor, the motor to be tested can be installed between the two detection seats on the installation table for test operation, and meanwhile, the protective cover is installed on the outer side of the installation table and can cover the motor to be tested, so that the rotor coil of the motor to be tested is prevented from being thrown out in the detection process, and the safety protection effect is achieved; in addition, this protection casing can remove along the slide rail of both sides, and accessible actuating mechanism makes the protection casing slide along the slide rail before the detection until the protection casing shifts out the mount table region, is convenient for hoist and mount motor that awaits measuring.
Drawings
The utility model is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic diagram of a first embodiment of the present utility model;
FIG. 2 is a schematic diagram of a second embodiment of the present utility model;
FIG. 3 is a schematic view of a portion of a structure of an embodiment of the present utility model;
FIG. 4 is a right side view of an embodiment of the present utility model;
FIG. 5 is a schematic structural diagram of a detecting seat according to an embodiment of the present utility model;
fig. 6 is a functional block diagram of an embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present, as well as being disposed not only in an intermediate position but also in both ends as far as they are within the scope defined by the intermediate position. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 6, the utility model provides a dynamic balance test platform for a large motor rotor, which comprises a base 10, a detection seat 20 and a control cabinet 30, wherein at least one installation table 11 for installing a motor 60 to be tested is arranged on the base 10, two groups of detection seats 20 for supporting two ends of the rotor on the motor 60 to be tested are arranged on the installation table 11, the control cabinet 30 is electrically connected with the detection seats 20 and can control the action of the detection seats 20, slide rails 12 are arranged at positions of the base 10, which are positioned on two sides of the installation table 11, a protective cover 40 is slidably connected between the two groups of slide rails 12, the motor 60 to be tested can be covered in the protective cover 40, the protective cover 40 is driven by a driving mechanism 50, and the control cabinet 30 is electrically connected with the driving mechanism 50 and can control the action of the driving mechanism 50.
In this application, since the motor 60 to be tested is a large motor, and the moment of inertia of the motor 60 to be tested is large, two detecting bases 20 are used to further fix the whole motor 60 to be tested, so as to improve the stability of the whole motor 60 to be tested in the test process and the safety of the test.
Referring to fig. 2, in one embodiment of the present application, for conveniently lifting the motor 60 to be tested, the protection cover 40 includes a left protection cover 41 and a right protection cover 42 that can be matched with each other, where the left protection cover 41 and the right protection cover 42 are both slidably connected between two sets of the sliding rails 12 and the openings are opposite, and the left protection cover 41 and the right protection cover 42 are driven by the driving mechanism 50 respectively. The protective cover 40 is configured as a split structure, and the left protective cover 41 and the right protective cover 42 can be moved to open along the sliding rail 12 to opposite sides, so that the area of the mounting table 11 can be exposed. Of course, in another embodiment, the protection cover 40 may be of an integrated structure, and in this case, it is necessary to provide outlets on both end surfaces of the protection cover 40, so as to ensure that the mounting table 11 and its upper components can smoothly pass through the outlet positions when moving out of or moving in the protection cover 40.
Referring to fig. 4, at this time, in order to realize the function of moving the protection cover 40 along the sliding rail 12, the driving mechanism 50 includes a driving motor 52 and two sets of pulleys 51, both ends of the bottom of the protection cover 40 are respectively provided with pulley holders 53, both sets of pulleys 51 are rotatably mounted on the two sets of pulley holders 53 through a rotating shaft 54 and respectively can be matched with the corresponding sliding rail 12, a motor base 55 is disposed on one side of the protection cover 40, the driving motor 52 is mounted on the motor base 55, an output end of the driving motor 52 is connected with any rotating shaft 54, and the driving motor 52 is electrically connected with the control cabinet 30. Specifically, the driving motor 52 may drive the rotation shaft 54 through a belt for the convenience of installing the driving motor 52.
Referring to fig. 6, in a specific real-time manner of the present application, the control cabinet 30 is connected with at least one set of vibration detectors 31, at least two sets of temperature detectors 32, and at least one set of coaxiality detectors 33, the detection ends of at least one set of temperature detectors 32 and at least one set of coaxiality detectors 33 are all installed in the detection seat 20, and the detection ends of the vibration detectors 31 and at least one set of temperature detectors 32 are abutted to the rotating shaft of the motor 60 to be detected. Wherein, vibration detector 31, temperature detector 32 and axiality detector 33 all are connected with detecting seat 2 through the data line in this application, and temperature detector 32 is for temperature sensor, and vibration detector 31 is conventional vibration acceleration sensor, and axiality detector 33 is also conventional detection structure, in order to be able to realize that detection data implements feedback control cabinet 30, the axiality detector 33 adopts laser axiality detector in this application.
Further, the control cabinet 30 is further provided with a signal conditioning unit 34, a signal acquisition unit 35 and a central processing unit 36; the signal conditioning unit 34 is configured to receive the data signals detected by the vibration detector 31, the temperature detector 32, and the coaxiality detector 33; the signal acquisition unit 35 receives and adjusts the data signal conditioned by the signal conditioning unit 34, the central processing unit 36 receives and calculates the data signal output by the signal acquisition unit 35, and the central processing unit 36 is in communication connection with an external terminal through a data line or a wireless communication module 37. It should be noted that, in the present application, the signal conditioning unit 34 and the signal collecting unit 35 are conventional electronic devices, the working principle of the signal conditioning unit 34 may refer to the specific working principle of the signal conditioning unit in the wireless network-based hydroelectric generating set swing degree data collector and detection system of the patent CN201621335464.9, and the signal collecting unit 35 may adopt a remote measurement and control remote signaling unit combination with a model of ARTU-KJ 8; the signal acquisition unit has the function of 8-way switching value acquisition, and can meet the detection requirements of the vibration detector 31, the temperature detector 32 and the coaxiality detector 33 in the application. The central processing unit 36 is used for controlling the working state of the signal conditioning unit 34, performing operations such as calculation and storage on the signals received from the signal acquisition unit 35, and is in communication connection with an external terminal through a data line or wireless communication module 37; the cpu 36 is a conventional electronic component, and the operation principle and internal circuit structure thereof will not be described in detail in this application. In order to better match the data signals detected by different detection components, the signal conditioning unit 34 includes a plurality of signal conditioning modules, and the control end of the signal conditioning module is connected to the central processing unit 36, and the working state of the signal conditioning module is controlled by the central processing unit 36. The input end of the signal conditioning unit 34 includes a plurality of input channels, where each signal conditioning module corresponds to one input channel, and a plurality of sensors are correspondingly connected through the plurality of input channels, where the sensors include the vibration detector 31, the temperature detector 32, and the coaxiality detector 33, which are not limited to the above detection apparatus.
Further, in order to facilitate the operator to enter the interior of the protection cover 40 for operation, an operation door 43 is hinged on the outer side of the protection cover 40. Since the motor 60 to be tested is covered inside, for convenience in checking the test condition in real time, the monitoring device is disposed inside the protection cover 40, and the monitoring device is electrically connected to the central processing unit 36 and is communicatively connected to the external terminal through a data line or wireless communication. Wherein the monitoring device is an existing device. An alarm lamp 44 is provided outside the protective cover 40, the central processing unit 36 is electrically connected with the alarm lamp 44, and when the data signal detected by any one of the detector 31, the temperature detector 32 and the coaxiality detector 33 exceeds a preset threshold value in the central processing unit 36, the central processing unit 36 controls the alarm lamp 44 to alarm. The central processing unit 36 is preset with alarm data thresholds of the detector 31, the temperature detector 32 and the coaxiality detector 33 in advance, the specific thresholds corresponding to the detectors can be set according to detection standards, and when any detected data signal exceeds the threshold, the detection value is indicated to be abnormal, and an operator is prompted by the alarm lamp 44.
Referring to fig. 3, in order to enable the detection seat 20 to adapt to the detection requirements of the motors 60 to be detected with different specifications, bolt fixing grooves 13 are formed on two sides of the mounting table 11, and two ends of the detection seat 20 are respectively mounted on the bolt fixing grooves 13 on two sides. The detecting seat 20 can move along the bolt fixing groove 13 to adapt to the size of the motor 60 to be detected.
Referring to fig. 5, in order to facilitate the installation of the rotor of the motor 60 to be tested, the test socket 20 includes a base 21 and a retaining ring 22, and the base 21 is detachably installed in the bolt fixing groove 13; the top of base 21 sets up first semicircle ring 23 along the direction of bolt fixed slot 13, one side of buckle 22 articulates on one side of base 21, and the other end passes through the opposite side locking of bolt and base 21, the buckle 22 inboard is provided with the second semicircle ring 24 of cooperation first semicircle ring 23, first semicircle ring 23 and second semicircle ring 24 cooperation suit are on the rotor main shaft of the motor 60 that awaits measuring. Wherein, the detection ends of the temperature detector 32 and the coaxiality detector 33 are arranged in the structure formed by the first semicircle ring 23 and the second semicircle ring 24; this design facilitates the fixed snap-fit of the main shaft of the entire rotor in the structure formed by the first half-ring 23 and the second half-ring 24.
According to the dynamic balance test platform for the large motor rotor, the motor 60 to be tested can be installed between the two detection seats 20 on the installation table 11 for test operation, and meanwhile, the protective cover 40 is installed on the outer side of the installation table 11, so that the motor 60 to be tested can be covered, the rotor coil of the motor 60 to be tested is prevented from being thrown out in the detection process, and the safety protection effect is achieved; in addition, the protection cover 40 can move along the sliding rails 12 on two sides, and before detection, the protection cover 40 can slide along the sliding rails 14 through the driving mechanism 50 until the protection cover 40 moves out of the area of the mounting table 11, so that the motor 60 to be detected can be conveniently hoisted.
The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and any modifications or equivalent substitutions without departing from the spirit and scope of the present utility model should be covered in the scope of the technical solution of the present utility model.
Claims (10)
1. The utility model provides a large-scale motor rotor dynamic balance test platform, includes base, detection seat and switch board, be provided with at least one mount pad that is used for installing the motor that awaits measuring on the base, be equipped with two sets of detection seats that are used for supporting the both ends of rotor on the motor that awaits measuring on the mount pad, the switch board is connected with the detection seat electricity and can control the action of detecting the seat, its characterized in that, the slide rail has all been seted up on the position that the base is located the mount pad both sides, two sets of sliding connection has the protection casing between the slide rail, the motor that awaits measuring can be installed in the protection casing by the cover, the protection casing passes through actuating mechanism drive, the switch board is connected with actuating mechanism electricity and can control actuating mechanism's action.
2. The large motor rotor dynamic balance test platform according to claim 1, wherein the driving mechanism comprises a driving motor and two groups of pulleys, pulley seats are arranged at two ends of the bottom of the protective cover, the two groups of pulleys are rotatably arranged on the two groups of pulley seats through rotating shafts and respectively matched with the corresponding sliding rails, a motor seat is arranged on one side of the protective cover, the driving motor is arranged on the motor seat, the output end of the driving motor is connected with any rotating shaft, and the driving motor is electrically connected with the control cabinet.
3. The large-scale motor rotor dynamic balance test platform according to claim 1, wherein the protection cover comprises a left protection cover and a right protection cover which can be matched with each other, the left protection cover and the right protection cover are both connected between two groups of sliding rails in a sliding manner, openings of the two groups of sliding rails are opposite, and the left protection cover and the right protection cover are driven by corresponding driving mechanisms respectively.
4. The platform of claim 1, wherein the outer side of the shield is hinged with an operating door.
5. The dynamic balance test platform of a large motor rotor according to claim 1, wherein the control cabinet is connected with at least one group of vibration detectors, at least two groups of temperature detectors and at least one group of coaxiality detectors, the detection ends of at least one group of temperature detectors and at least one group of coaxiality detectors are arranged in the detection seat, and the detection ends of the vibration detectors and at least one group of temperature detectors are abutted to a rotating shaft of a motor to be tested.
6. The dynamic balance test platform of a large motor rotor according to claim 5, wherein the control cabinet is further provided with a signal conditioning unit, a signal acquisition unit and a central processing unit; the signal conditioning unit is used for receiving data signals detected by the vibration detector, the temperature detector and the coaxiality detector; the signal acquisition unit receives and adjusts the data signals conditioned by the signal conditioning unit, the central processing unit receives and calculates the data signals output by the signal acquisition unit, and the central processing unit is in communication connection with an external terminal through a data line or a wireless communication module.
7. The dynamic balance test platform of a large motor rotor according to claim 6, wherein a monitoring device is arranged in the protective cover, and the monitoring device is electrically connected with the central processing unit and is in communication connection with an external terminal through a data line or wireless communication.
8. The dynamic balance test platform of a large motor rotor according to claim 6, wherein an alarm lamp is arranged outside the protective cover, the central processing unit is electrically connected with the alarm lamp, and the central processing unit controls the alarm lamp to alarm when a data signal detected by any one of the detector, the temperature detector and the coaxiality detector exceeds a preset threshold value in the central processing unit.
9. The dynamic balance test platform of a large motor rotor according to claim 1, wherein bolt fixing grooves are formed in two sides of the mounting table, and two ends of the detection seat are respectively arranged on the bolt fixing grooves in two sides.
10. The platform of claim 9, wherein the detecting seat comprises a base and a retaining ring, and the base is detachably installed in the bolt fixing groove; the top of base sets up first semicircle ring along bolt fixed slot direction, one side of buckle articulates on one side of the base, and the other end passes through the opposite side locking of bolt and base, the buckle inboard is provided with the second semicircle ring of cooperation first semicircle ring, first semicircle ring and second semicircle ring cooperation suit are on the rotor main shaft of motor that awaits measuring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320547105.3U CN219224031U (en) | 2023-03-20 | 2023-03-20 | Large-scale motor rotor dynamic balance test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320547105.3U CN219224031U (en) | 2023-03-20 | 2023-03-20 | Large-scale motor rotor dynamic balance test platform |
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| CN219224031U true CN219224031U (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320547105.3U Active CN219224031U (en) | 2023-03-20 | 2023-03-20 | Large-scale motor rotor dynamic balance test platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117723208A (en) * | 2024-02-07 | 2024-03-19 | 广州三拓智能装备有限公司 | Connecting machine balance test system based on intelligent analysis of multi-period data |
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2023
- 2023-03-20 CN CN202320547105.3U patent/CN219224031U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117723208A (en) * | 2024-02-07 | 2024-03-19 | 广州三拓智能装备有限公司 | Connecting machine balance test system based on intelligent analysis of multi-period data |
| CN117723208B (en) * | 2024-02-07 | 2024-05-03 | 广州三拓智能装备有限公司 | Connecting machine balance test system based on intelligent analysis of multi-period data |
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