CN109696566B - Test mounting frame of end face mounting type motor - Google Patents
Test mounting frame of end face mounting type motor Download PDFInfo
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- CN109696566B CN109696566B CN201710997092.9A CN201710997092A CN109696566B CN 109696566 B CN109696566 B CN 109696566B CN 201710997092 A CN201710997092 A CN 201710997092A CN 109696566 B CN109696566 B CN 109696566B
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- 238000012360 testing method Methods 0.000 title claims abstract description 55
- 238000003825 pressing Methods 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 9
- 230000007704 transition Effects 0.000 description 12
- 230000006872 improvement Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000000446 fuel Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacture Of Motors, Generators (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The invention discloses a test mounting frame of an end face mounting type motor, which comprises a base and a mounting bracket for mounting a test motor, wherein a linear guide rail and a fixing device for fixing the mounting bracket are mounted on the base, the linear guide rail is axially arranged along the test motor, and a sliding block matched with the linear guide rail is arranged at the bottom of the mounting bracket. The invention has the advantages of high assembly precision, no need of repeated installation, high efficiency, convenient test operation and the like.
Description
Technical Field
The invention relates to a motor test tool, in particular to a test mounting frame for an end face mounting type motor.
Background
New energy electric vehicles are the development trend of the automobile industry, fuel vehicle exit plans are published in many developed countries, a time schedule for completely prohibiting fuel vehicle selling is defined, and China committees also declare that the capacity of newly-added traditional fuel vehicles is strictly controlled and the exit mechanism of the industry is sound. Under the drive of relevant policies, the electric automobile develops and speeds up obviously, the relevant test demand of electric automobile is more and more, the experimental rotational speed of electric automobile motor is higher and higher, generally reach more than 10000r/min, future rotational speed develops to the direction more than 15000r/min, along with the continuous improvement of rotational speed, also higher and higher to the requirement of motor installation accuracy in the testing process, generally require within 0.03mm, motor installation base needs the accurate installation that adapts to different motors simultaneously. The installation of the motor before the test generally comprises the following steps: 1) the motor is fixedly arranged on the transition disc through bolts, and the centering precision of a motor rotating shaft is ensured through the motor and a spigot on the disc; 2) the motor and the transition disc are installed on the motor installation base together, and the shaft centering precision of the motor and the transition disc is ensured through a transition disc spigot and a motor installation base spigot; 3) the spline sleeve is sleeved on the end part of the motor rotating shaft, and then the front, back, left and right positions of the motor mounting base are adjusted by adjusting the number and/or thickness of the gaskets, so that the centering precision of the motor rotating shaft and the rotating shaft of the test bed is ensured.
The current motor mounting base is complex in shaft centering, low in mounting precision (generally difficult to reach the precision of 0.10 mm), low in efficiency, very large in labor amount and not beneficial to carrying out a quick delivery test of the motor, and the average time of a single time in the mounting and adjusting process is about 4 hours. The electric dynamometer of the electric automobile is very precise and expensive test equipment, and needs to be protected by various means, and if the installation precision of the high-speed motor is not high, the following serious problems are caused: the bearing of the dynamometer system is abnormally abraded, the service life is greatly reduced, the dynamometer is damaged if the bearing is damaged and a bolt falls off, and meanwhile, components can fly out at high speed, so that serious potential safety hazards exist; the system can vibrate strongly, the resonance range is enlarged, and the high-speed vibration is extremely serious; the torque value measurement is inaccurate.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provides the test mounting frame of the end surface mounting type motor, which has the advantages of high assembly precision, no need of repeated mounting, high efficiency and convenient test operation.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an end surface mounting type motor's experimental mounting bracket, includes the base and is used for installing the installing support of experimental motor, install linear guide on the base and be used for fixing the fixing device of installing support, linear guide is along experimental motor axial arrangement, the installing support bottom be equipped with linear guide complex slider.
As a further improvement of the above technical solution: the mounting bracket comprises a horizontal plate, a vertical plate and a supporting plate arranged between the horizontal plate and the vertical plate, the horizontal plate is connected with the fixing device, the sliding block is arranged on the lower portion of the horizontal plate, the vertical plate is arranged on the upper portion of the horizontal plate, a mounting hole for mounting a test motor is formed in the vertical plate, and the supporting plate is connected with the horizontal plate and the vertical plate into a whole through a fastener.
As a further improvement of the above technical solution: the support plates are arranged on two sides of the mounting hole and are symmetrically arranged on two sides of the mounting hole, two linear guide rails are arranged, and the two support plates and the two linear guide rails are arranged in a one-to-one correspondence mode.
As a further improvement of the above technical solution: the fixing device comprises two groups of fixing assemblies, each fixing assembly comprises a supporting seat, an upper fixing pressing plate and a lower fixing pressing plate, the supporting seat is connected with the base through a fastener, a groove is formed in the middle of the supporting seat, the lower fixing pressing plate is embedded in the groove and connected with the middle of the upper fixing pressing plate through the fastener, two ends of the upper fixing pressing plate are connected with the supporting seat through the fastener, and the horizontal plate is clamped between the upper fixing pressing plate and the lower fixing pressing plate.
As a further improvement of the above technical solution: two rows of the linear guide rails are positioned between the two groups of the fixed assemblies.
As a further improvement of the above technical solution: the bottom of the mounting bracket is provided with a linear driving mechanism.
As a further improvement of the above technical solution: the linear driving mechanism comprises a screw rod and a female head part arranged on the screw rod, the screw rod is arranged on the base, and the mounting bracket is connected with the female head part.
Compared with the prior art, the invention has the advantages that: according to the test mounting rack for the end face mounting type motor, the guide rail sliding block pair is arranged between the mounting supports of the test motor, after the first shaft centering debugging is completed (the shaft centering precision is verified at a follow-up period, for example, the shaft centering precision is verified once every half year), only the fixing device needs to be loosened during mounting, then the mounting supports are moved to the proper positions along the linear guide rails and fixed again, and repeated dismounting is not needed. The deviation precision of the test motor during the forward and backward movement is the precision of the guide rail, the deviation is far smaller than the precision of shaft centering, after the test mounting frame is fixed, the overall precision depends on the transition disc, and the precision of the transition disc can be accurately ensured during processing, so that the subsequent assembly precision can be ensured, the time required by debugging can be reduced, and the assembly efficiency can be improved (the actual measurement can be improved by 800%); on the other hand, due to the arrangement of the linear guide rail, the test motor can move back and forth very conveniently, and the disassembly and assembly of the test motor and no-load idling in the test process are facilitated.
Drawings
Fig. 1 is a schematic perspective view of a first view angle of a test mount for an end-face mount type motor of the present invention.
Fig. 2 is a schematic perspective view of a second perspective view of a test mount for an end-face mount-type motor of the present invention.
The reference numerals in the figures denote: 1. a base; 2. mounting a bracket; 21. a horizontal plate; 22. a vertical plate; 221. mounting holes; 23. a support plate; 3. a linear guide rail; 4. a fixing device; 41. a fixing assembly; 411. a supporting seat; 412. an upper fixed pressing plate; 413. a lower fixed pressing plate; 414. a groove; 5. a slider; 6. a linear drive mechanism; 61. and a screw rod.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples of the specification.
Fig. 1 to 2 show an embodiment of the invention, and the test mounting frame of the end-face mounting type motor of the embodiment includes a base 1 and a mounting bracket 2 for mounting the test motor, a linear guide rail 3 and a fixing device 4 for fixing the mounting bracket 2 are mounted on the base 1, the linear guide rail 3 is arranged along the axial direction of the test motor, and a slider 5 matched with the linear guide rail 3 is arranged at the bottom of the mounting bracket 2. Wherein, the mounting bracket 2 is obtained by adopting a finish machining mode, and the linear guide rail 3 adopts the same model specification (the deviation is 5.0 multiplied by 10) of a heavy compact numerical control machine tool-6Within mm, the bearing capacity is more than five tons), and the precision of each part is guaranteed.
This experimental mounting bracket of end surface mounting class motor sets up linear guide 3 and slider 5 between the installing support 2 of experimental motor (not shown in the figure), after accomplishing first axle centering debugging (follow-up regular check-up axle centering precision, for example every half year check-up once can), only need loosen fixing device 4 during the installation, then along linear guide 3 remove installing support 2 to suitable position and fix once more can, need not repeated dismouting. The deviation precision of the test motor during the forward and backward movement is the precision of the linear guide rail 3, the deviation is far smaller than the precision of shaft centering, after the test mounting frame is fixed, the overall precision depends on a transition disc (not shown in the figure and is an existing part), and the precision of the transition disc can be accurately guaranteed during processing, so that the subsequent assembly precision can be guaranteed, the time required by debugging is reduced, and the assembly efficiency is improved (the actual measurement can be improved by 800%); on the other hand, due to the arrangement of the linear guide rail 3, the test motor can move back and forth very conveniently, and the disassembly and assembly of the test motor and no-load idling in the test process are facilitated.
As a further preferable technical solution, in the present embodiment, the mounting bracket 2 includes a horizontal plate 21, a vertical plate 22, and a supporting plate 23 disposed between the horizontal plate 21 and the vertical plate 22, the horizontal plate 21 is connected to the fixing device 4, the slider 5 is disposed at the lower portion of the horizontal plate 21, the vertical plate 22 is disposed at the upper portion of the horizontal plate 21, a mounting hole 221 for mounting the test motor is opened on the vertical plate 22, and the supporting plate 23, the horizontal plate 21, and the vertical plate 22 are connected as a whole by a fastener (e.g., a bolt). The mounting bracket 2 has a simple and reliable overall structure, and each component plate can ensure the precision by finish machining; the supporting plate 23, the horizontal plate 21 and the vertical plate 22 are connected into a whole through fasteners, and compared with welding or casting and other modes, the deformation of the mounting bracket 2 caused by internal stress in the use process can be avoided, and the perpendicularity and coaxiality (or axis centering precision) of the mounting bracket 2 can be guaranteed.
Furthermore, in this embodiment, two support plates 23 are symmetrically disposed on two sides of the mounting hole 221, two rows of the linear guide rails 3 are disposed, and the two support plates 23 are disposed in one-to-one correspondence with the two rows of the linear guide rails 3. The support plates 23 and the linear guide rails 3 are arranged in two rows and are symmetrically arranged, so that the stress balance of the tool is kept, and the number of the support plates and the linear guide rails can be properly adjusted in other embodiments.
Furthermore, in this embodiment, the fixing device 4 includes two sets of fixing components 41, each fixing component 41 includes a supporting base 411, an upper fixing pressing plate 412 and a lower fixing pressing plate 413, the supporting base 411 is connected to the base 1 through a fastening member, a groove 414 is formed in the middle of the supporting base 411, the lower fixing pressing plate 413 is embedded in the groove 414 and connected to the middle of the upper fixing pressing plate 412 through a fastening member, two ends of the upper fixing pressing plate 412 are connected to the supporting base 411 through a fastening member, and the horizontal plate 21 is sandwiched between the upper fixing pressing plate 412 and the lower fixing pressing plate 413. The fixed subassembly 41 of this kind of structure, fixed pressing plate 412 and lower fixed pressing plate 413 can form the clamp force to horizontal plate 21 on it to the overall position of fixed mounting support 2, and shift horizontal plate 21 external force that receives to base 1 through supporting seat 411 on, can not produce too big pressure to linear guide 3, be favorable to avoiding damaging linear guide 3, and then be favorable to guaranteeing the precision and the life of frock.
Further, in the present embodiment, two rows of linear guides 3 are located between two sets of fixing members 41.
In a more preferable embodiment, the linear driving mechanism 6 is disposed at the bottom of the mounting bracket 2. The linear driving mechanism 6 is arranged, so that the tool and the test motor can move back and forth conveniently, and the labor intensity is reduced.
Further, in the present embodiment, the linear driving mechanism 6 includes a screw 61 and a female portion (not shown because the function is equivalent to that of a nut in a screw-nut pair, and the angular relationship is blocked) provided on the screw 61, the screw 61 is mounted on the base 1, and the mounting bracket 2 is connected with the female portion. The mounting bracket 2 and the test motor can be driven to integrally move by rotating the screw rod 61. The screw 61 can be rotated by hand or by a motor.
The use method of the test mounting rack of the end face mounting type motor comprises the following steps:
1. the test mounting rack and the dynamometer are placed at relatively proper positions;
2. carrying out axial centering debugging on the mounting hole 221 in the vertical plate 22 and a dynamometer shaft end (not shown in the figure) by using an infrared centering instrument;
3. after debugging, fixing the base 1 on a T-shaped cast iron platform (not shown in the figure);
after the above steps are completed, the overall adjustment work of the tool does not need to be repeated, and the installation process of the test motor is as follows:
1) the test motor is fixedly arranged on a transition disc (not shown in the figure) through fasteners such as bolts, and the shaft centering precision of the test motor is ensured through rabbets on the test motor and the transition disc;
2) the test motor and the transition disc are mounted at the mounting hole 221 of the vertical plate 22 through fasteners such as bolts, and the axial centering precision of the test motor and the transition disc is ensured through the disc spigot and the vertical plate 22 spigot;
3) the end of the test motor shaft is sleeved with a spline sleeve and then is adjusted back and forth through a screw rod 61 to reach a proper position;
4) when the test motor is disassembled, the test motor is integrally moved backwards through the screw rod 61 and then disassembled and replaced.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (5)
1. The utility model provides an end surface mounting type motor's experimental mounting bracket, includes base (1) and is used for installing support (2) of experimental motor, its characterized in that: the testing machine is characterized in that a linear guide rail (3) and a fixing device (4) used for fixing the mounting bracket (2) are mounted on the base (1), the linear guide rail (3) is arranged along the axial direction of a testing machine, a slider (5) matched with the linear guide rail (3) is arranged at the bottom of the mounting bracket (2), the mounting bracket (2) comprises a horizontal plate (21), a vertical plate (22) and a supporting plate (23) arranged between the horizontal plate (21) and the vertical plate (22), the horizontal plate (21) is connected with the fixing device (4), the slider (5) is arranged at the lower part of the horizontal plate (21), the vertical plate (22) is arranged at the upper part of the horizontal plate (21), a mounting hole (221) used for mounting the testing machine is formed in the vertical plate (22), the supporting plate (23), the horizontal plate (21) and the vertical plate (22) are connected into a whole through a fastener, fixing device (4) include two sets of fixed subassembly (41), fixed subassembly (41) are including supporting seat (411), last fixed pressing plate (412) and lower fixed pressing plate (413), supporting seat (411) with base (1) passes through the fastener and links to each other, supporting seat (411) middle part is equipped with recess (414), lower fixed pressing plate (413) inlay dress in recess (414) and with it links to each other to pass through the fastener in the middle part of last fixed pressing plate (412), go up fixed pressing plate (412) both ends with supporting seat (411) link to each other through the fastener, horizontal plate (21) press from both sides and locate between last fixed pressing plate (412) and lower fixed pressing plate (413).
2. The end-mount-type motor test mount of claim 1, wherein: the two support plates (23) are symmetrically arranged on two sides of the mounting hole (221), the two linear guide rails (3) are arranged in two rows, and the two support plates (23) and the two rows of the linear guide rails (3) are arranged in a one-to-one correspondence mode.
3. The end-mount-type motor test mount of claim 2, wherein: the two rows of linear guide rails (3) are positioned between the two groups of fixed assemblies (41).
4. The test mount for an end-mount type motor according to any one of claims 1 to 3, characterized in that: the bottom of the mounting bracket (2) is provided with a linear driving mechanism (6).
5. The end-mount-type motor test mount of claim 4, wherein: the linear driving mechanism (6) comprises a screw rod (61) and a female head part arranged on the screw rod (61), the screw rod (61) is installed on the base (1), and the mounting bracket (2) is connected with the female head part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710997092.9A CN109696566B (en) | 2017-10-20 | 2017-10-20 | Test mounting frame of end face mounting type motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710997092.9A CN109696566B (en) | 2017-10-20 | 2017-10-20 | Test mounting frame of end face mounting type motor |
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| Publication Number | Publication Date |
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| CN109696566A CN109696566A (en) | 2019-04-30 |
| CN109696566B true CN109696566B (en) | 2020-10-23 |
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| CN201710997092.9A Active CN109696566B (en) | 2017-10-20 | 2017-10-20 | Test mounting frame of end face mounting type motor |
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Families Citing this family (1)
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| CN111896778B (en) * | 2020-07-15 | 2023-05-26 | 中车株洲电力机车研究所有限公司 | HALT test fixture for PCBA plug-in and mounting method |
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Effective date of registration: 20240112 Address after: 412005, No. 255 Tongxia Road, Tongtangwan Street, Shifeng District, Zhuzhou City, Hunan Province Patentee after: Hunan CRRC Times Electric Drive Technology Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. |