CN104481903A - Overall-machine dynamic balance test auxiliary tooling for axial flow fan - Google Patents
Overall-machine dynamic balance test auxiliary tooling for axial flow fan Download PDFInfo
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- CN104481903A CN104481903A CN201410664299.0A CN201410664299A CN104481903A CN 104481903 A CN104481903 A CN 104481903A CN 201410664299 A CN201410664299 A CN 201410664299A CN 104481903 A CN104481903 A CN 104481903A
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- semi
- axial
- hold
- pressure strip
- ring pressure
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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
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an overall-machine dynamic balance test auxiliary tooling for an axial flow fan. The overall-machine dynamic balance test auxiliary tooling comprises a chassis, a connection plate, a quick clamping device for clamping the fan, and a positioning device, wherein the connection plate is horizontally installed on an upper surface of the chassis, the positioning device is fixedly installed on the upper surface of the connection plate, and the quick clamping device is hinged to the positioning device. The overall-machine dynamic balance test auxiliary tooling for the axial flow fan has the advantages that the quick clamping device installed on the chassis is used to directly clamp an electromotor portion of the axial flow fan, and test instruments such as a sensor are in butt joint with detection portions of the axial flow fan, so that vibration parameters of the axial flow fan without a bracket can be directly measured, and installation is facilitated; the axial flow fan is fixed by means of a locking bolt, a vertical compacting mechanism and a horizontal compacting mechanism, so that quick clamping is achieved, and detection efficiency and measurement accuracy are improved.
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 technique
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 field, 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 connected element thereof, when these power increase to a certain degree, the rotation of blower fan and static part 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 match equipment 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 draught fan of air-conditioner set when unit runs well, the vibration values of each fitting seat attachment face 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 type on unit, blower fan rotating component 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 problem 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, connecting plate, for clamping fast fixture and the positioning device of blower fan, described connecting plate level is arranged in chassis top surface, described positioning device is fixedly mounted on connecting plate upper surface, described fast fixture and positioning device hinged.
Described positioning device comprises two pieces of dunnages be oppositely arranged, and the motor section that the distance between two pieces of dunnage opposing sides 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 locking mechanism, described semi-ring pressure strip Open Side Down arrange, its one end and dunnage top, side hinged, locking mechanism is installed in one end in addition, the rounded 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 and hold-down bolt lower end active link.
Described locking mechanism comprises and is arranged on semi-ring pressure strip open end and is provided with the lock bolt vertical with its end face, the dunnage outer side surface relative with semi-ring pressure strip open end is provided with latch, latch is provided with one end open slotted hole, described lock bolt and slotted hole clamping.
The described support plate top surface being provided with latch is also provided with the positioning 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 test instrument 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 lock bolt, vertical hold-down mechanism and horizontal hold-down mechanism stationary axle 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, connecting plate; 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, locking nut; 4-6, dunnage.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Unresolved existing motor-car air-conditioner set axial-flow fan special dispatches from the factory the problem of the loaded down with trivial details and test data poor accuracy of vibration-testing, the invention provides a kind of axial-flow blower overall dynamic-balance test auxiliary mould as shown in Figure 1-2, comprise underframe 1, connecting plate 2, for clamping fast fixture 4 and the positioning device of blower fan, described connecting plate 2 level is arranged on underframe 1 upper surface, described positioning device is fixedly mounted on connecting plate 2 upper surface, and described fast fixture 4 is hinged with positioning device, described positioning device comprises two pieces of dunnage 4-6 be oppositely arranged, and the motor section that the distance between two pieces of dunnage 4-6 opposing sides equals axial-flow blower divides external profile diameter, described two pieces of dunnage 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 locking mechanism, described semi-ring pressure strip 4-1 Open Side Down arrange, its one end and dunnage 4-6 top, side hinged, locking mechanism is installed in one end in addition, the rounded 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 4-5 in the middle part of semi-ring pressure strip 4-1 and vertical pressing plate 4-3, hold-down bolt 4-5 is threaded with in the middle part of semi-ring pressure strip 4-1, hold-down bolt 4-5 radial direction is arranged, described vertical pressing plate 4-3 and hold-down bolt 4-5 lower end active link, described locking mechanism comprises and is arranged on semi-ring pressure strip 4-1 open end and is provided with the lock bolt 4-5 vertical with its end face, the dunnage 4-6 outer side 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 slotted hole in one end, described lock bolt 4-5 and slotted hole clamping, the described dunnage 4-6 end face being provided with latch 4-4 is also provided with the positioning plate relative with eccentric clamp 4-2.
In embody rule process, first locking mechanism is unclamped, and by semi-ring pressure strip around the hinged hinging shaft Unscrew of itself and dunnage, then the motor portion of axial-flow blower is fastened between two pieces of dunnages, 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 dunnage is made jointly to surround the motor portion of axial-flow blower, in rotation semi-ring pressure strip process, the eccentric clamp that its rounded end is arranged inwardly compresses the boss of the corresponding side of axial-flow fan motor, and at lock bolt through one section of latch with nut screwing clamping, 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 test instrument 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 lock bolt, vertical hold-down mechanism and horizontal hold-down mechanism stationary axle flow fan, realize quick-clamping, improve detection efficiency and measuring accuracy.
Claims (5)
1. an axial-flow blower overall dynamic-balance test auxiliary mould, it is characterized in that: comprise underframe (1), connecting plate (2), for clamping fast fixture (4) and the positioning device of blower fan, described connecting plate (2) level is arranged on underframe (1) upper surface, described positioning device is fixedly mounted on connecting plate (2) upper surface, and described fast fixture (4) is hinged with positioning device.
2. axial-flow blower overall dynamic-balance test auxiliary mould according to claim 1, it is characterized in that: described positioning device comprises two pieces of dunnages be oppositely arranged (4-6), the motor section that distance between two pieces of dunnage (4-6) opposing sides equals axial-flow blower divides external profile diameter, described two pieces of dunnage (4-6) end faces is equipped with the supporting surface for back shaft flow fan.
3. axial-flow blower overall dynamic-balance test auxiliary mould according to claim 2, it is characterized in that: described fast fixture (4) comprises semi-ring pressure strip (4-1), vertical hold-down mechanism, horizontal hold-down mechanism and locking mechanism, described semi-ring pressure strip (4-1) Open Side Down arrange, its one end and side dunnage (4-6) top hinged, locking mechanism is installed in one end in addition, the rounded 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 (4-5) and vertical pressing plate (4-3) that are arranged on semi-ring pressure strip (4-1) middle part, hold-down bolt (4-5) is threaded with semi-ring pressure strip (4-1) middle part, hold-down bolt (4-5) radial direction is arranged, described vertical pressing plate (4-3) and hold-down bolt (4-5) lower end active link.
4. axial-flow blower overall dynamic-balance test auxiliary mould according to claim 3, it is characterized in that: described locking mechanism comprises and is arranged on semi-ring pressure strip (4-1) open end and is provided with the lock bolt (4-5) vertical with its end face, dunnage (4-6) outer side 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 slotted hole in one end, described lock bolt (4-5) and slotted hole clamping.
5. axial-flow blower overall dynamic-balance according to claim 4 test auxiliary mould, is characterized in that: described in be provided with latch (4-4) dunnage (4-6) end face on be also provided with the positioning 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 |
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| Publication Number | Publication Date |
|---|---|
| CN104481903A true CN104481903A (en) | 2015-04-01 |
| CN104481903B CN104481903B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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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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| CN (1) | CN104481903B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642499A (en) * | 2017-10-26 | 2018-01-30 | 中国计量大学 | Axial fan device for detecting performance and its assay method |
| CN108344499A (en) * | 2017-01-23 | 2018-07-31 | 发那科株式会社 | Motor vibration reason decision-making system |
| 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 |
| CN111255722A (en) * | 2019-12-26 | 2020-06-09 | 方圆检测认证有限公司 | Detection device for electric fan product |
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| 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 |
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2014
- 2014-11-18 CN CN201410664299.0A patent/CN104481903B/en active Active
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344499A (en) * | 2017-01-23 | 2018-07-31 | 发那科株式会社 | Motor vibration reason decision-making system |
| US10240996B2 (en) | 2017-01-23 | 2019-03-26 | Fanuc Corporation | Motor vibration cause determination system |
| CN108344499B (en) * | 2017-01-23 | 2019-11-05 | 发那科株式会社 | Motor vibration reason decision-making system |
| CN107642499A (en) * | 2017-10-26 | 2018-01-30 | 中国计量大学 | Axial fan device for detecting performance and its assay method |
| 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 |
| CN111255722A (en) * | 2019-12-26 | 2020-06-09 | 方圆检测认证有限公司 | Detection device for electric fan product |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104481903B (en) | 2016-04-27 |
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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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