CN205013341U - Measurable quantity vibrational acceleration's fan - Google Patents
Measurable quantity vibrational acceleration's fan Download PDFInfo
- Publication number
- CN205013341U CN205013341U CN201520784068.3U CN201520784068U CN205013341U CN 205013341 U CN205013341 U CN 205013341U CN 201520784068 U CN201520784068 U CN 201520784068U CN 205013341 U CN205013341 U CN 205013341U
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- blower fan
- fan
- motor
- urceolus
- copper pipe
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Abstract
Provided is a measurable quantity vibrational acceleration's fan is including fan urceolus, motor, power supply cable, wind baffle ring, impeller, air inlet duct, pivot, terminal box, front end housing, inner tube, stator, the characteristic is that the motor front end of fan is equipped with vibration measuring device, and this vibration measuring device includes fastening nut, protection copper pipe, fixing clamp and three axial vibration acceleration sensor, promptly in the difficult position that maybe can not touch of the inside direct test of fan, and through the mode of pre -buried sensor, test motor front and back end vibrational acceleration, for the accuracy of guaranteeing data, to fix the sensor through the bolt and cover in the motor front and back end, the sensor signal cable is drawn forth from the copper pipe to it connects to set up the wiring outside the fan urceolus, the fan starts, only needs to connect the instrument cable on the wiring connects, can effectual collections fan front end vibrational acceleration numerical value, help being contrastive analysis to fan front and back end vibrational acceleration, and study significantly to fan structural vibration and motor life -span. (B, )
Description
Technical field
the utility model relate to a kind of can the blower fan of measuring vibrations acceleration, particularly can measure the blower fan of drive motor front-end vibration acceleration.
Background technique
the size of fan vibration acceleration is for the vibration noise of blower fan and have larger impact the working life of blower fan, accurately records fan vibration acceleration, improves blower fan structure vibration targetedly, for lifting Fan Product quality important in inhibiting.
at present, the vibration acceleration test of blower fan outer barrel surface is only limitted to for the test of fan vibration acceleration.Because motor front end is positioned at blower fan outer barrel, on have air inlet duct and air baffle ring, under have stator, and near the impeller rotated, be difficult to record vibration acceleration herein by conventional method, motor front-end vibration accekeration accurately cannot be obtained, thus limit the accurate analysis to blower fan structure vibration.
Summary of the invention
the purpose of this utility model is to overcome above-mentioned deficiency, there is provided a kind of can the blower fan of measuring vibrations acceleration, namely motor (2) front end in blower fan is provided with vibration measurement device, for the drive motor front-end vibration acceleration analysis of blower fan, it is the reference data that blower fan structure designs and electrical machinery life research provides.
the technical solution of the utility model is: a kind of can the blower fan of measuring vibrations acceleration, comprise blower fan urceolus, motor, power cable, stiffening rib, air baffle ring, impeller, air inlet duct, machine shaft, terminal box, motor front end cover, blower fan inner core, stator; It is characterized in that:
motor front end in described blower fan is provided with vibration measurement device, and this vibration measurement device comprises tightening nut, protection copper pipe, fixing clamp and three-axial vibration acceleration transducer, wherein,
described three-axial vibration acceleration transducer is bolted on above motor front end cover, namely three-axial vibration acceleration transducer is positioned at below the impeller of air baffle ring and machine shaft support, on the blower fan inner core that motor front end cover is fixing, and be fixed on blower fan urceolus by stator; Its signal cable draws blower fan urceolus by protection copper pipe, and arranges connection joint outside blower fan urceolus, and this connection joint connects vibration acceleration acquisition instrument;
described protection copper pipe one end is by fixing clamp and be bolted on blower fan inner core, and the other end is fixed on above blower fan urceolus by two tightening nuts.
described motor front end cover and blower fan inner core are the installation meeting three-axial vibration acceleration transducer, and motor front end cover and the common groove milling of blower fan inner core, to ensure the installing space of three-axial vibration acceleration transducer and to fit tightly;
in sum; acceleration transducer in the utility model is for measuring motor front-end vibration acceleration; acceleration transducer is bolted on motor front end cover; fixing clamp is used for fixing with tightening nut and bolt protects copper pipe; acceleration transducer cable one end is connected with sensor; and draw air duct by protection copper pipe; air duct outer sensor cable arranges connection joint; to facilitate the later stage to the collection of vibration acceleration numerical value; same, adopt in the rear end of fan driving motor and vibration acceleration measuring device has been installed in a like fashion.
Accompanying drawing explanation
fig. 1 is fan motor overall structure schematic diagram;
fig. 2 is blower fan front-end vibration acceleration scheme of installation.
in figure: 1-blower fan urceolus, 2-motor, 3-power cable; 4-stiffening rib, 5-air baffle ring, 6-impeller; 7-air inlet duct, 8-machine shaft, 9-terminal box; 10-motor front end cover, 11-blower fan inner core, 12-stator; 13-tightening nut; 14-protects copper pipe, 15-fixing clamp, 16-three-axial vibration acceleration transducer.
Embodiment
with reference to accompanying drawing, 1, can the blower fan of measuring vibrations acceleration, comprise blower fan urceolus 1, motor 2, power cable 3, stiffening rib 4, air baffle ring 5, impeller 6, air inlet duct 7, machine shaft 8, terminal box 9, motor front end cover 10, blower fan inner core 11, stator 12; It is characterized in that:
motor 2 front end in described blower fan is provided with vibration measurement device, and this vibration measurement device comprises tightening nut 13, protection copper pipe 14, fixing clamp 15 and three-axial vibration acceleration transducer 16, wherein,
described three-axial vibration acceleration transducer 16 is bolted on above motor front end cover 10, namely three-axial vibration acceleration transducer 16 is positioned at the impeller less than 6 of air baffle ring 5 and machine shaft 8 support, on the blower fan inner core 11 that motor front end cover 10 is fixing, and be fixed on blower fan urceolus 1 by stator 12; Its signal cable draws blower fan urceolus 1 by protection copper pipe 14, and arranges connection joint outside blower fan urceolus, and this connection joint connects vibration acceleration acquisition instrument;
described protection copper pipe 14 one end is by fixing clamp 15 and be bolted on blower fan inner core 11, and the other end is fixed on above blower fan urceolus 1 by two tightening nuts 13.
described motor front end cover 10 and blower fan inner core 11 are for meeting the installation of three-axial vibration acceleration transducer 16, and motor front end cover 10 groove milling common with blower fan inner core 11, to ensure the installing space of three-axial vibration acceleration transducer 16 and to fit tightly; Namely motor front end cover 10 and blower fan inner core 11 are structurally improved, they are coordinated rear groove milling.Subsequently motor 2 is installed on blower fan inner core 11; be arranged on motor front end cover further by bolt degree of will speed up sensor 16; in addition; by fixing clamp 15 and tightening nut 13, protection copper pipe 14 is fixed on blower fan inner/outer tube; finally front end sensors cable is drawn by protection copper pipe; and connection joint is set in air duct outer cable end, connect vibration acceleration instrument to facilitate the later stage and carry out acceleration test.After completing sensor installation, then draught fan impeller 6, air inlet duct 7 are installed, thus complete the assembling of whole blower fan.
after fan starting runs, by drawing the sensor wire connection joint of blower fan, sensor being connected with vibration instrumentation, just can gathering fan driving motor front end and back end vibration acceleration numerical value.By vibration transducer, obtain the drive motor front-end vibration accekeration of blower fan accurately, to design for blower fan structure and research in motor working life provides useful reference data.
Claims (1)
1. one kind can the blower fan of measuring vibrations acceleration, comprise blower fan urceolus (1), motor (2), power cable (3), stiffening rib (4), air baffle ring (5), impeller (6), air inlet duct (7), machine shaft (8), terminal box (9), motor front end cover (10), blower fan inner core (11) and stator (12), it is characterized in that:
Motor (2) front end in described blower fan is provided with vibration measurement device, and this vibration measurement device comprises tightening nut (13), protection copper pipe (14), fixing clamp (15) and three-axial vibration acceleration transducer (16), wherein,
Above the motor front end cover (10) that described three-axial vibration acceleration transducer (16) is bolted on pre-groove milling and blower fan inner core (11), namely three-axial vibration acceleration transducer (16) is positioned at impeller (6) that air baffle ring (5) and machine shaft (8) support below, on the blower fan inner core (11) that motor front end cover (10) is fixing, and be fixed on blower fan urceolus (1) by stator (12); Its signal cable draws blower fan urceolus (1) by protection copper pipe (14), and arranges connection joint outside blower fan urceolus, and this connection joint connects vibration acceleration acquisition instrument;
Described protection copper pipe (14) one end is by fixing clamp (15) and be bolted on blower fan inner core (11), and the other end is fixed on above blower fan urceolus (1) by two tightening nuts (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520784068.3U CN205013341U (en) | 2015-10-12 | 2015-10-12 | Measurable quantity vibrational acceleration's fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520784068.3U CN205013341U (en) | 2015-10-12 | 2015-10-12 | Measurable quantity vibrational acceleration's fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205013341U true CN205013341U (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520784068.3U Active CN205013341U (en) | 2015-10-12 | 2015-10-12 | Measurable quantity vibrational acceleration's fan |
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| CN (1) | CN205013341U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322686A (en) * | 2016-09-26 | 2017-01-11 | 中铁第四勘察设计院集团有限公司 | Anti-vibration anti-loosening ventilating system and ventilating method |
-
2015
- 2015-10-12 CN CN201520784068.3U patent/CN205013341U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322686A (en) * | 2016-09-26 | 2017-01-11 | 中铁第四勘察设计院集团有限公司 | Anti-vibration anti-loosening ventilating system and ventilating method |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230630 Address after: No. 66 and 68 Liancheng Road, Shifeng District, Zhuzhou City, Hunan Province, 412000 Patentee after: HUNAN LINCE ROLLING STOCK EQUIPMENT Co.,Ltd. Address before: 412000 technical management department, Lianxin group, Tianxin north gate, Shifeng District, Zhuzhou, Hunan Patentee before: ZHUZHOU LINCE GROUP Co.,Ltd. |