CN213749026U - High-speed device in overspeed testing machine - Google Patents
High-speed device in overspeed testing machine Download PDFInfo
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- CN213749026U CN213749026U CN202022645229.4U CN202022645229U CN213749026U CN 213749026 U CN213749026 U CN 213749026U CN 202022645229 U CN202022645229 U CN 202022645229U CN 213749026 U CN213749026 U CN 213749026U
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- bracket
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- 238000012360 testing method Methods 0.000 title claims abstract description 84
- 238000001514 detection method Methods 0.000 claims abstract description 60
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000003801 milling Methods 0.000 claims description 17
- 238000005286 illumination Methods 0.000 claims description 15
- 239000000919 ceramic Substances 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 8
- 230000008520 organization Effects 0.000 claims description 5
- 229910001018 Cast iron Inorganic materials 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of mechanical strength tests of motor rotors, in particular to a high-speed device in an overspeed testing machine, which comprises a hollow detection box, a detection support, a mounting support and a testing mechanism, wherein the detection support, the mounting support and the testing mechanism are arranged in the detection box; in practical application, the phenomenon that a motor rotor to be detected falls off, flies out and damages detection personnel is effectively prevented through the protective cover; noise is isolated through the protective cover, and noise pollution is reduced; the testing mechanism and the motor to be tested are respectively installed through the detecting bracket and the installing bracket, so that the installation of the testing mechanism and the motor to be tested are prevented from generating resonance, and the detection result is more accurate; the utility model discloses can prevent effectively that the electric motor rotor that awaits measuring from droing the departure phenomenon, noise abatement pollutes, and the testing result is accurate.
Description
Technical Field
The utility model relates to an electric motor rotor's mechanical strength test technical field specifically is a crowning speed device in overspeed testing machine.
Background
The overspeed test is a special term for mechanical strength examination of the motor rotor in the aviation motor manufacturing industry. In general, after the rotors are machined into parts and before final assembly, 100% of the rotor is required to be subjected to the test, the index of the rotating speed is required to be 1.2-1.3 times of the rated operating rotating speed (for example, the rated operating rotating speed of a certain motor is 12000rpm, the rotating speed required by an overspeed test is 15000rpm), and the overspeed operation time is usually 5 min. After the test is finished, the abnormal phenomena of lug, looseness and the like caused by overspeed are removed, and qualified products are reserved so as to ensure that the overall assembled complete machine can normally run under rated conditions.
The prior Chinese patent publication with the authorization publication number CN205210276 comprises a test bracket, wherein the test bracket is arranged on a base; the dragging machine is arranged on the test bracket and is provided with an output shaft, and the output shaft is used for being connected with a test rotor to be tested and providing a rotating torque for the test rotor to be tested to rotate; the portable detection device can be moved conveniently during use, meanwhile, the operation procedure is simple and convenient, links such as an operating system, a control system, a cooling system, a ventilation system and the like in a dragging system are omitted, the detection efficiency can be improved, the detection cost is reduced, the detection period is shortened, the labor intensity of operators is reduced, and most importantly, the energy can be saved, and the noise is reduced.
However, in practical application, the above application has the following disadvantages: 1. in the process that the motor to be detected rotates along with the main shaft of the towing machine, the rotor of the motor to be detected is likely to generate the abnormity of loosening, falling, flying and the like of the lug, thus threatening the physical health of detection personnel; 2. in the process that the motor to be tested rotates along with the main shaft of the dragging machine, the motor to be tested and the dragging machine can generate huge noise pollution to influence the hearing of testing personnel; 3. the motor to be detected and the dragging machine are integrated into a bracket, so that the resonance phenomenon is easily generated, and the detection result is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to foretell not enough, provide one kind and can effectively prevent to await measuring electric motor rotor and drop the departure phenomenon, noise abatement pollution, the accurate overspeed testing machine crowning speed device of testing result.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high rotational speed device in overspeed testing machine, includes hollow detection case, just to set up in detection support and installing support in the detection case, be provided with accredited testing organization on the detection support, accredited testing organization's output is provided with the test hole, be provided with the mounting hole on the installing support, the mounting hole with the coaxial setting in test hole, just to being provided with two slide rails from top to bottom on one side of detection case, sliding connection has the protection casing on the slide rail.
Further, the test mechanism comprises a high-speed milling electric spindle, a three-phase asynchronous motor and a ceramic composite ball bearing, the three-phase asynchronous motor is used for driving the high-speed milling electric spindle to rotate, the ceramic composite ball bearing is used for installing the high-speed milling electric spindle, and the high-speed milling electric spindle is used for extending into the test hole to drive the motor spindle to be tested to rotate.
Further, the shield is made of a transparent sound insulating material.
Further, be provided with illumination support and light in the detection case, the one end fixed connection of illumination support is in the box of detection case, the other end of illumination support extends to fixed connection in the box of detection case the light, the output of light sets up down, the light is located the top of detection support and installing support.
Furthermore, the upper part of the detection bracket is provided with an installation test hole for installing the test mechanism, and the lower part of the detection bracket is provided with a test installation seat for installing the detection bracket; and the lower part of the mounting bracket is provided with a mounting seat to be tested for mounting the mounting bracket.
Further, the test mounting seat and the mounting seat to be tested are both made of cast iron.
The utility model has the advantages that:
in practical application, a motor to be tested is installed in the installation hole, an output shaft of the motor to be tested is inserted into the test hole, the protective cover is closed, and the motor to be tested is detected through the test mechanism in the detection support; the phenomenon that a motor rotor to be detected falls off, flies out and injures detection personnel is effectively prevented through the protective cover; noise is isolated through the protective cover, and noise pollution is reduced; the testing mechanism and the motor to be tested are respectively installed through the detecting bracket and the installing bracket, so that the installation of the testing mechanism and the motor to be tested are prevented from generating resonance, and the detection result is more accurate; the utility model discloses can prevent effectively that the electric motor rotor that awaits measuring from droing the departure phenomenon, noise abatement pollutes, and the testing result is accurate.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view taken at A-A in FIG. 2;
reference numerals: a detection box 1; a detection support 2; a test mounting base 21; a mounting bracket 3; a mounting hole 31; a mount to be tested 32; a testing mechanism 4; a test well 40; high-speed milling of the electric spindle 41; a three-phase asynchronous motor 42; a ceramic composite ball bearing 43; a slide rail 5; a protective cover 6; an illumination bracket 71; and an illumination lamp 72.
Detailed Description
As shown in fig. 1, 2 and 3, a high rotation speed device in an overspeed testing machine comprises a hollow detection box 1, a detection support 2 and a mounting support 3 which are arranged in the detection box 1 in a facing manner, wherein a testing mechanism 4 is arranged on the detection support 2, a testing hole 40 is arranged at the output end of the testing mechanism 4, a mounting hole 31 is arranged on the mounting support 3, the mounting hole 31 and the testing hole 40 are coaxially arranged, two sliding rails 5 are arranged on one side of the detection box 1 in a facing manner from top to bottom, and a protective cover 6 is connected to the sliding rails 5 in a sliding manner.
When the device works, a motor to be tested is arranged in the mounting hole 31, an output shaft of the motor to be tested is inserted into the testing hole 40, the protective cover 6 is closed, and the motor to be tested is detected through the testing mechanism 4 in the detection support 2; the phenomenon that a motor rotor to be detected falls off, flies out and injures detection personnel is effectively prevented through the protective cover 6; the noise is isolated through the protective cover 6, so that the noise pollution is reduced; the testing mechanism 4 and the motor to be tested are respectively installed through the detecting bracket 2 and the installing bracket 3, so that the resonance generated by the installation of the testing mechanism 4 and the motor to be tested is prevented, and the detection result is more accurate; the utility model discloses can prevent effectively that the electric motor rotor that awaits measuring from droing the departure phenomenon, noise abatement pollutes, and the testing result is accurate.
As shown in fig. 1, 2 and 3, the testing mechanism 4 includes a high-speed milling electric spindle 41, a three-phase asynchronous motor 42 and a ceramic composite ball bearing 43, the three-phase asynchronous motor 42 is used for driving the high-speed milling electric spindle 41 to rotate, the ceramic composite ball bearing 43 is used for mounting the high-speed milling electric spindle 41, and the high-speed milling electric spindle 41 is used for extending into the testing hole 40 to drive the spindle of the motor to be tested to rotate; in the embodiment, the high-speed milling electric spindle 41 is driven to rotate by the three-phase asynchronous motor 42, the high-speed milling electric spindle 41 drives the spindle of the motor to be tested to rotate for testing, and the detection result is accurate; the high-speed milling electric spindle 41 is installed through the grease lubrication ceramic composite ball bearing 43, and the service life of the high-speed milling electric spindle 41 is longer.
As shown in fig. 1, 2 and 3, the shield 6 is made of a transparent sound-insulating material; in this embodiment, through the protection casing 6 that transparent sound insulation material made, can close protection casing 6 during the test, from 6 outside direct observation test processes of protection casing, can effectively prevent to await measuring electric motor rotor and drop the departure phenomenon, noise pollution abatement.
As shown in fig. 1, 2 and 3, an illumination bracket 71 and an illumination lamp 72 are arranged in the detection box 1, one end of the illumination bracket 71 is fixedly connected in the box body of the detection box 1, the other end of the illumination bracket 71 extends into the box body of the detection box 1 and is fixedly connected with the illumination lamp 72, the output end of the illumination lamp 72 is arranged downwards, and the illumination lamp 72 is arranged above the detection bracket 2 and the mounting bracket 3; in this embodiment, through closing protection casing 6, in the outside direct observation test process of follow protection casing 6, for throwing light on in the detection case 1 through light 72, can follow the outside direct observation test process of protection casing 6, can effectively prevent to await measuring electric motor rotor and drop the departure phenomenon, noise abatement pollution.
As shown in fig. 1, 2 and 3, the upper part of the detection bracket 2 is provided with a mounting test hole for mounting the test mechanism 4, and the lower part of the detection bracket 2 is provided with a test mounting seat 21 for mounting the detection bracket 2; the lower part of the mounting bracket 3 is provided with a mounting seat 32 to be tested for mounting the mounting bracket 3; in this embodiment, through installation test hole installation accredited testing organization 4, will detect support 2 and install in detection case 1 through test mount pad 21, install installing support 3 in detection case 1 through mount pad 32 that awaits measuring.
As shown in fig. 1, 2 and 3, the test mounting seat 21 and the mounting seat to be tested 32 are both made of cast iron; in this embodiment, through the test mount pad 21 and the mount pad 32 that awaits measuring that cast iron made, the installation is more firm, can effectually prevent to produce resonance phenomenon, and the testing result is more accurate.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.
Claims (6)
1. The utility model provides a high rotational speed device in overspeed testing machine which characterized in that: including hollow detection case (1), just right set up in detection support (2) and installing support (3) in detection case (1), be provided with accredited testing organization (4) on detection support (2), the output of accredited testing organization (4) is provided with test hole (40), be provided with mounting hole (31) on installing support (3), mounting hole (31) with test hole (40) coaxial setting, just from top to bottom be provided with two slide rails (5) in one side of detection case (1), sliding connection has protection casing (6) on slide rail (5).
2. The high-speed device in the overspeed testing machine according to claim 1, characterized in that: testing mechanism (4) are including high-speed milling electric main shaft (41), three-phase asynchronous motor (42) and ceramic composite ball bearing (43), three-phase asynchronous motor (42) are used for the drive high-speed milling electric main shaft (41) are rotatory, ceramic composite ball bearing (43) are used for the installation high-speed milling electric main shaft (41), high-speed milling electric main shaft (41) are used for stretching into it is rotatory to drive the motor main shaft that awaits measuring in test hole (40).
3. The high-speed device in the overspeed testing machine according to claim 1, characterized in that: the protective cover (6) is made of transparent sound insulation material.
4. The high-speed device in the overspeed testing machine according to claim 1, characterized in that: be provided with illumination support (71) and light (72) in detection case (1), the one end fixed connection of illumination support (71) is in the box of detection case (1), the other end of illumination support (71) extends to fixed connection in the box of detection case (1) light (72), the output of light (72) sets up down, light (72) are located the top of detection support (2) and installing support (3).
5. The high-speed device in the overspeed testing machine according to claim 1, characterized in that: the upper part of the detection bracket (2) is provided with a mounting test hole for mounting the test mechanism (4), and the lower part of the detection bracket (2) is provided with a test mounting seat (21) for mounting the detection bracket (2); and a mounting seat (32) to be tested for mounting the mounting bracket (3) is arranged at the lower part of the mounting bracket (3).
6. The high-speed device in the overspeed testing machine according to claim 5, characterized in that: the test mounting seat (21) and the mounting seat (32) to be tested are both made of cast iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022645229.4U CN213749026U (en) | 2020-11-16 | 2020-11-16 | High-speed device in overspeed testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022645229.4U CN213749026U (en) | 2020-11-16 | 2020-11-16 | High-speed device in overspeed testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213749026U true CN213749026U (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022645229.4U Expired - Fee Related CN213749026U (en) | 2020-11-16 | 2020-11-16 | High-speed device in overspeed testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213749026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115856627A (en) * | 2023-02-22 | 2023-03-28 | 江苏斯莱特水泵股份有限公司 | Motor detection device |
-
2020
- 2020-11-16 CN CN202022645229.4U patent/CN213749026U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115856627A (en) * | 2023-02-22 | 2023-03-28 | 江苏斯莱特水泵股份有限公司 | Motor detection device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210720 |