CN104481903B - Axial flow blower overall dynamic-balance test auxiliary mould - Google Patents
Axial flow blower overall dynamic-balance test auxiliary mould Download PDFInfo
- Publication number
- CN104481903B CN104481903B CN201410664299.0A CN201410664299A CN104481903B CN 104481903 B CN104481903 B CN 104481903B CN 201410664299 A CN201410664299 A CN 201410664299A CN 104481903 B CN104481903 B CN 104481903B
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- Prior art keywords
- hold
- axial flow
- semi
- pressure strip
- flow blower
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
The invention discloses a kind of axial flow blower overall dynamic-balance test auxiliary mould, comprise underframe, web joint, for clamping fast fixture and the locating device of blower fan, described web joint level is arranged in chassis top surface, described locating device is fixedly mounted on web joint upper surface, described fast fixture and locating device hinged; Its advantage is: by using the motor portion of the direct clamp shaft flow fan of fast fixture be arranged on underframe, and sensor testing tool and axial flow blower are detected position dock, directly can measure the axial flow blower vibration parameters of non-mounting bracket, convenient installation, and use clamping screw, vertical hold-down mechanism and horizontal hold-down mechanism stationary shaft flow fan, realize quick-clamping, improve detection efficiency and measuring accuracy.
Description
Technical field
The present invention relates to motor-car air-conditioner set axial-flow fan special technical field of measurement and test, particularly relate to a kind of axial flow blower overall dynamic-balance test auxiliary mould.
Background technology
Axial flow blower is a kind of blower fan of low pressure and mass flow, its superiority obtains everybody accreditation day by day, and be widely used in each industrial circle, because the complex structure of axial flow blower, the parts rotated are more, so its reliability is slightly more weaker than centrifugal fan, but, due to the small volume of axial flow blower, be applicable to the occasion that installation environment is comparatively narrow, exactly because the reasons in structure of axial flow blower, it in use easily produces surge, during surge, strong air flow in blower fan flows back and forth, noise can be caused to become large, blade stress strengthens, great impact is produced to impeller and bearing and link thereof, when these power increase to a certain degree, the rotation of blower fan and stationary parts can be made to rupture, even destroy whole blower fan, certainly, the reason that axial flow blower in use produces surge mainly concentrates on several aspect, one is that blower fan self structure is unreasonable, that assembling is defective on the one hand in addition, the reason of installation environment corollary apparatus in addition on the one hand, assembling and the supporting problem of its installation environment can adjust in subsequent installation process, but the reason of this body structure of blower fan just needs to ensure dispatching from the factory or design the production phase, in order to ensure to dispatch from the factory, fan vibration performance meets installation requirement, such as the induced draft fan of air-conditioner set when unit runs well, the vibration values of each mount pad installed surface of air-conditioning is detected with vibration measurement instrument, its acceleration should be not more than 0.4g, therefore, axial flow blower all needs to carry out dispatching from the factory vibration detection before dispatching from the factory, existing blower fan delivery test carries out vibration-testing in blower fan storage bracket, blower fan is vertically placed on support, corner contacts with support, the unsettled placement of blower fan, blower fan energising running, measures assembling dish, motor supporting leg, a few place of back end cover for motor vibration acceleration value with vibration measurement instrument, carries out the judgement that whether overproof vibration acceleration value is.
Support is vertically placed blower fan not identical with the horizontal mounting means on unit, blower fan tumbler stressing conditions is different; In addition, due to air-conditioner set whole system running turntable can not be simulated completely, accurately whether overproof judgement can not be carried out.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of axial flow blower overall dynamic-balance test auxiliary mould, fast fixture is used to be fixed on underframe by blower fan, without the need to testing after assembling is on support, the vibration parameters of fan body can be tested separately, convenient installation, test result is more accurate.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of axial flow blower overall dynamic-balance test auxiliary mould, comprise underframe, web joint, for clamping fast fixture and the locating device of blower fan, described web joint level is arranged in chassis top surface, described locating device is fixedly mounted on web joint upper surface, described fast fixture and locating device hinged.
Described locating device comprises two pieces of back up pads be oppositely arranged, and the motor section that the distance between two pieces of back up pad opposite faces equals axial flow blower divides external profile diameter, described two pieces of support plate top surface is equipped with the supporting surface for back shaft flow fan.
Described fast fixture comprises semi-ring pressure strip, vertical hold-down mechanism, horizontal hold-down mechanism and latch mechanism, described semi-ring pressure strip Open Side Down arrange, its one end and back up pad top, side hinged, latch mechanism is installed in one end in addition, the hinged end of described semi-ring pressure strip is provided with the radial disbalance pressing plate inwardly installed, inside vertical hold-down mechanism is provided with in the middle part of described semi-ring pressure strip, vertical hold-down mechanism comprises and is arranged on hold-down bolt in the middle part of semi-ring pressure strip and vertical pressing plate, hold-down bolt is threaded with in the middle part of semi-ring pressure strip, hold-down bolt radial direction is arranged, described vertical pressing plate is flexibly connected with hold-down bolt lower end.
Described latch mechanism comprises and is arranged on semi-ring pressure strip open end and is provided with the clamping screw vertical with its end face, the back up pad lateral surface relative with semi-ring pressure strip open end is provided with latch, latch is provided with one end open long slot bore, described clamping screw and long slot bore clamping.
The described support plate top surface being provided with latch is also provided with the location-plate relative with eccentric clamp.
The beneficial effect adopting technique scheme to produce is: by using the motor portion of the direct clamp shaft flow fan of fast fixture be arranged on underframe, and sensor testing tool and axial flow blower are detected position dock, directly can measure the axial flow blower vibration parameters of non-mounting bracket, convenient installation, and use clamping screw, vertical hold-down mechanism and horizontal hold-down mechanism stationary shaft flow fan, realize quick-clamping, improve detection efficiency and measuring accuracy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is the left view of accompanying drawing 1;
In the accompanying drawings: 1, underframe; 2, web joint; 3, axial flow blower; 4, fast fixture; 4-1, pressure strip; 4-2, eccentric clamp; 4-3, vertical pressing plate; 4-4, latch; 4-5, clamping screw; 4-6, back up pad.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
To dispatch from the factory the problem of the loaded down with trivial details and test data poor accuracy of vibration-testing for solving existing motor-car air-conditioner set axial-flow fan special, the invention provides a kind of axial flow blower overall dynamic-balance test auxiliary mould as shown in Figure 1-2, comprise underframe 1, web joint 2, for clamping fast fixture 4 and the locating device of blower fan, described web joint 2 level is arranged on underframe 1 upper surface, described locating device is fixedly mounted on web joint 2 upper surface, and described fast fixture 4 is hinged with locating device, described locating device comprises two pieces of back up pad 4-6 be oppositely arranged, and the motor section that the distance between two pieces of back up pad 4-6 opposite faces equals axial flow blower divides external profile diameter, described two pieces of back up pad 4-6 end faces is equipped with the supporting surface for back shaft flow fan, described fast fixture 4 comprises semi-ring pressure strip 4-1, vertical hold-down mechanism, horizontal hold-down mechanism and latch mechanism, described semi-ring pressure strip 4-1 Open Side Down arrange, its one end and back up pad 4-6 top, side hinged, latch mechanism is installed in one end in addition, the hinged end of described semi-ring pressure strip 4-1 is provided with the radial disbalance pressing plate 4-2 inwardly installed, inside vertical hold-down mechanism is provided with in the middle part of described semi-ring pressure strip 4-1, vertical hold-down mechanism comprises and is arranged on hold-down bolt in the middle part of semi-ring pressure strip 4-1 and vertical pressing plate 4-3, hold-down bolt is threaded with in the middle part of semi-ring pressure strip 4-1, hold-down bolt radial direction is arranged, described vertical pressing plate 4-3 is flexibly connected with hold-down bolt lower end, described latch mechanism comprises and is arranged on semi-ring pressure strip 4-1 open end and is provided with the clamping screw 4-5 vertical with its end face, the back up pad 4-6 lateral surface relative with semi-ring pressure strip 4-1 open end is provided with latch 4-4, latch 4-4 is provided with the open long slot bore in one end, described clamping screw 4-5 and long slot bore clamping, the described back up pad 4-6 end face being provided with latch 4-4 is also provided with the location-plate relative with eccentric clamp 4-2.
In embody rule process, first latch mechanism is unclamped, and by semi-ring pressure strip around the hinged jointed shaft Unscrew of itself and back up pad, then the motor portion of axial flow blower is fastened between two pieces of back up pads, the boss of the relative both sides of motor of axial flow blower is placed in two pieces of support plate top surface, finally rotate semi-ring pressure strip, itself and back up pad is made jointly to surround the motor portion of axial flow blower, in rotation semi-ring pressure strip process, the eccentric clamp that its hinged end is arranged inwardly compresses the boss of the corresponding side of axial-flow fan motor, and at one end nut screwing clamping of clamping screw through latch, after completing, rotate the bolt be connected with vertical pressing plate, vertical pressing plate is made to compress the boss being positioned at axial flow blower top, finally complete the fixing of axial flow blower, start to test.
In a word, the present invention is by using the motor portion of the direct clamp shaft flow fan of fast fixture be arranged on underframe, and sensor testing tool and axial flow blower are detected position dock, directly can measure the axial flow blower vibration parameters of non-mounting bracket, convenient installation, and use clamping screw, vertical hold-down mechanism and horizontal hold-down mechanism stationary shaft flow fan, realize quick-clamping, improve detection efficiency and measuring accuracy.
Claims (3)
1. an axial flow blower overall dynamic-balance test auxiliary mould, it is characterized in that: comprise underframe (1), web joint (2), for clamping fast fixture (4) and the locating device of blower fan, described web joint (2) level is arranged on underframe (1) upper surface, described locating device is fixedly mounted on web joint (2) upper surface, and described fast fixture (4) is hinged with locating device, described locating device comprises two pieces of back up pads be oppositely arranged (4-6), the motor section that distance between two pieces of back up pad (4-6) opposite faces equals axial flow blower divides external profile diameter, described two pieces of back up pad (4-6) end faces is equipped with the supporting surface for back shaft flow fan, described fast fixture (4) comprises semi-ring pressure strip (4-1), vertical hold-down mechanism, horizontal hold-down mechanism and latch mechanism, described semi-ring pressure strip (4-1) Open Side Down arrange, its one end and side back up pad (4-6) top hinged, latch mechanism is installed in one end in addition, the hinged end of described semi-ring pressure strip (4-1) is provided with the radial disbalance pressing plate (4-2) inwardly installed, described semi-ring pressure strip (4-1) middle part is provided with inside vertical hold-down mechanism, vertical hold-down mechanism comprises the hold-down bolt and vertical pressing plate (4-3) that are arranged on semi-ring pressure strip (4-1) middle part, hold-down bolt is threaded with semi-ring pressure strip (4-1) middle part, hold-down bolt radial direction is arranged, described vertical pressing plate (4-3) is flexibly connected with hold-down bolt lower end.
2. axial flow blower overall dynamic-balance test auxiliary mould according to claim 1, it is characterized in that: described latch mechanism comprises and is arranged on semi-ring pressure strip (4-1) open end and is provided with the clamping screw (4-5) vertical with its end face, back up pad (4-6) lateral surface relative with semi-ring pressure strip (4-1) open end is provided with latch (4-4), latch (4-4) is provided with the open long slot bore in one end, described clamping screw (4-5) and long slot bore clamping.
3. axial flow blower overall dynamic-balance according to claim 2 test auxiliary mould, is characterized in that: described in be provided with latch (4-4) back up pad (4-6) end face on be also provided with the location-plate relative with eccentric clamp (4-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410664299.0A CN104481903B (en) | 2014-11-18 | 2014-11-18 | Axial flow blower overall dynamic-balance test auxiliary mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410664299.0A CN104481903B (en) | 2014-11-18 | 2014-11-18 | Axial flow blower overall dynamic-balance test auxiliary mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104481903A CN104481903A (en) | 2015-04-01 |
| CN104481903B true CN104481903B (en) | 2016-04-27 |
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| CN201410664299.0A Active CN104481903B (en) | 2014-11-18 | 2014-11-18 | Axial flow blower overall dynamic-balance test auxiliary mould |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6339707B1 (en) * | 2017-01-23 | 2018-06-06 | ファナック株式会社 | Motor vibration factor judgment system |
| CN107642499B (en) * | 2017-10-26 | 2023-05-16 | 中国计量大学 | Axial flow fan performance detection device and detection method thereof |
| CN108942787A (en) * | 2018-09-30 | 2018-12-07 | 上海索达传动机械有限公司 | A kind of transmission main shaft gland mounting tool |
| CN111255722B (en) * | 2019-12-26 | 2021-09-24 | 方圆检测认证有限公司 | Detection device for electric fan product |
Citations (6)
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|---|---|---|---|---|
| CN86200125U (en) * | 1986-01-17 | 1986-08-20 | 清华大学 | Three freedom mechanism system for fan blade dynamic balancing machine |
| SU1765739A1 (en) * | 1988-01-04 | 1992-09-30 | Производственное объединение "Луганский тепловозостроительный завод им.Октябрьской революции" | Method for fatigue testing of blade machine impeller |
| CN200982908Y (en) * | 2006-08-22 | 2007-11-28 | 南通纵横国际股份有限公司 | Device of dynamic balancer for connection high-speed principal axis component for whole balance |
| DE102006060200A1 (en) * | 2006-12-18 | 2008-06-19 | Schenck Rotec Gmbh | Device for supporting rotors, in particular propeller shafts, in a balancing machine |
| CN203432747U (en) * | 2013-08-26 | 2014-02-12 | 上虞通风机有限公司 | Support frame for dynamic balancing test of fan impeller |
| CN204283957U (en) * | 2014-11-18 | 2015-04-22 | 石家庄国祥精密机械有限公司 | Axial-flow blower overall dynamic-balance test auxiliary mould |
-
2014
- 2014-11-18 CN CN201410664299.0A patent/CN104481903B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200125U (en) * | 1986-01-17 | 1986-08-20 | 清华大学 | Three freedom mechanism system for fan blade dynamic balancing machine |
| SU1765739A1 (en) * | 1988-01-04 | 1992-09-30 | Производственное объединение "Луганский тепловозостроительный завод им.Октябрьской революции" | Method for fatigue testing of blade machine impeller |
| CN200982908Y (en) * | 2006-08-22 | 2007-11-28 | 南通纵横国际股份有限公司 | Device of dynamic balancer for connection high-speed principal axis component for whole balance |
| DE102006060200A1 (en) * | 2006-12-18 | 2008-06-19 | Schenck Rotec Gmbh | Device for supporting rotors, in particular propeller shafts, in a balancing machine |
| CN203432747U (en) * | 2013-08-26 | 2014-02-12 | 上虞通风机有限公司 | Support frame for dynamic balancing test of fan impeller |
| CN204283957U (en) * | 2014-11-18 | 2015-04-22 | 石家庄国祥精密机械有限公司 | Axial-flow blower overall dynamic-balance test auxiliary mould |
Non-Patent Citations (1)
| Title |
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| 风机动平衡试验装置的研制;徐从裕;《风机技术》;19990430(第2期);第26-28页 * |
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| CN104481903A (en) | 2015-04-01 |
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Effective date of registration: 20171013 Address after: 050000 South factory area, 245 Changjiang Road, Shijiazhuang hi tech Development Zone, Hebei Patentee after: Shijiazhuang Tongye Electrical Manufacturing Co. Ltd. Address before: 050000 Changjiang Road, high tech Zone, Hebei, Shijiazhuang, China, 245 Patentee before: SHIJIAZHUANG GUOXIANG PRECISION MACHINERY CO., LTD. |
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