CN214893855U - Dynamic balance detection device for impeller of polypropylene centrifugal ventilator - Google Patents
Dynamic balance detection device for impeller of polypropylene centrifugal ventilator Download PDFInfo
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- CN214893855U CN214893855U CN202121463922.8U CN202121463922U CN214893855U CN 214893855 U CN214893855 U CN 214893855U CN 202121463922 U CN202121463922 U CN 202121463922U CN 214893855 U CN214893855 U CN 214893855U
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Abstract
The utility model discloses a polypropylene centrifugal fan impeller dynamic balance detection device, fixed station one side is equipped with the dynamic balance and detects the machine, one side is equipped with fixed connection's left branch on the fixed station and supports, and the opposite side is equipped with the right branch of removal connection and supports, all be equipped with fixture on left branch support, the right branch, fixture includes first gyro wheel, gyro wheel seat, quick tongs, second gyro wheel, the gyro wheel seat is movably connected with left branch, gyro wheel seat both sides are equipped with first gyro wheel, be equipped with the impeller pivot between two first gyro wheels, the left branch supports the top and is equipped with the quick tongs, be equipped with the second gyro wheel of centre gripping impeller pivot on the supporting rod of quick tongs, actuating mechanism is connected to impeller pivot one end. The utility model discloses a polypropylene centrifugal fan impeller dynamic balance detection device, the impeller of adaptable not equidimension and length, adaptability is wide, and installs simply, and the centre gripping is stable, has improved detection precision and detection efficiency.
Description
Technical Field
The utility model belongs to the technical field of centrifugal fan impeller check out test set, in particular to polypropylene centrifugal fan impeller dynamic balance detection device.
Background
The centrifugal ventilator is a typical structure of ventilator, and can be widely used in the fields of forced ventilation of production process equipment, cupola, combustion furnace and positive pressure oil-fired boiler of small and medium-sized fertilizer plants, food processing and manufacturing, dust removal and the like. The centrifugal fan who uses at present generally adopts the preparation of metallic iron material, and the cost of manufacture is high, and the noise is big, and corrosion resistance is poor, and can not adapt to external environment's use for a long time, and the polypropylene material except that the oxidizing property solvent, other acids, alkali, salt solution all do not dissolve under 100 degrees centigrade, and corrosion-resistant, light in weight moreover can adapt to external environment's use for a long time, so polypropylene centrifugal fan obtains the wide application.
The impeller is an important component of the centrifugal ventilator, in the production of the impeller, because of uneven materials, blank defects, errors generated by processing and the like, unbalanced centrifugal force can be generated when the impeller rotates, the centrifugal force acts on the base through the bearing, so that mechanical equipment generates vibration and noise, the bearing abrasion is accelerated, the working precision and the working efficiency of the equipment are reduced, the service life of the fan is shortened, and in severe cases, the loose fit and the element fracture can be caused, so that a great accident can be caused, and great economic loss can be caused. Therefore, before the impeller is assembled to the fan, the impeller must be subjected to balancing tests so as to achieve an allowable balancing precision level or so as to reduce the amplitude of the mechanical vibration generated thereby within an allowable range.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome not enough above, the utility model aims at providing a polypropylene centrifugal fan impeller dynamic balance detection device, its simple structure, the impeller of adaptable not equidimension and length, adaptability is wide, and the impeller mounting is simple, and the centre gripping is stable, has improved detection precision and detection efficiency greatly.
The technical scheme is as follows: a dynamic balance detection device for an impeller of a polypropylene centrifugal ventilator comprises a fixed table and a dynamic balance detection machine, wherein the dynamic balance detection machine is arranged on one side of the fixed table, a display screen is arranged on the dynamic balance detection machine, a fixedly connected left support is arranged on one side above the fixed table, a movably connected right support is arranged on the other side of the fixed table, a clamping mechanism and a detection sensor connected with the dynamic balance detection machine are arranged on the left support and the right support respectively, the clamping mechanism comprises a first roller, a roller seat, a quick clamp, a clamping rod and a second roller, the roller seat is arranged on the left support and movably connected with the left support, two first rollers rotatably connected with the roller seat are arranged on the roller seat in a centrosymmetric manner on two sides, a V-shaped groove is formed between the two first rollers, an impeller rotating shaft is arranged on one side above the left support, the quick clamp is arranged on one side above the left support, and the clamping rod is arranged on the quick clamp, the clamping rod is provided with a second idler wheel for clamping the impeller rotating shaft, and one end of the impeller rotating shaft, which is close to the left support, is provided with a driving mechanism and is rotatably connected with the first idler wheel through the driving mechanism. Through the impeller of right branch stay swing joint adaptable different length, support impeller pivot, second gyro wheel centre gripping impeller pivot through first gyro wheel, adaptable different impeller pivot external diameters, adaptability is wide to make the installation of impeller pivot simple, and the centre gripping is stable, thereby improves and detects the precision. And the dynamic balance detection machine can display the dynamic balance amount and angle in real time, judge whether the dynamic balance of the impeller is qualified or not, has high automation degree and improves the detection efficiency.
Furthermore, foretell polypropylene centrifugal fan impeller dynamic balance detection device, the fixed station bottom is equipped with the shock attenuation slipmat, can slow down because of the whole vibration of the too high or the dynamic unbalance of impeller arouse to reduce the detection error because of the device vibration brings, improve device stability and detection precision.
Further, according to the dynamic balance detection device for the polypropylene centrifugal ventilator impeller, the right support is movably connected with the fixed table through two sliding guide rails arranged in parallel, and the moving position is limited through a limiting screw at the bottom end of the right support. The movable connection of the right support can adapt to impellers with different lengths, and the right support is prevented from shifting in the working process through a limiting screw, so that the stability of the device is improved.
Further, in the dynamic balance detection device for the polypropylene centrifugal ventilator impeller, the upper ends of the two sides of the left support are respectively provided with a first strip hole, the two sides of the roller seat are provided with a connecting rod which passes through the first strip holes and is movably connected with the first strip holes, and the tail end of the connecting rod is provided with a rotating handle nut; the middle of the bottom surface of the roller seat is provided with a supporting seat, and the supporting seat is movably connected with the left support. The supporting seat supports the roller seat, so that the roller seat can be conveniently adjusted up and down and can adapt to impellers with different outer diameters.
Further, foretell polypropylene centrifugal fan impeller dynamic balance detection device, bilateral central symmetry is equipped with the second rectangular hole on the gyro wheel seat, first gyro wheel pivot passes the second rectangular hole and moves with the second rectangular hole and be connected, through the distance of adjusting two second gyro wheels to adjust the V type groove degree of depth and the size of placing the impeller pivot, thereby adapt to different impeller external diameters, thereby adapt to different kinds of impeller.
Further, according to the dynamic balance detection device for the polypropylene centrifugal ventilator impeller, the clamping rod is provided with the adjusting rod capable of moving up and down, the tail end of the adjusting rod is provided with the U-shaped seat, and the U-shaped seat is provided with the second roller rotatably connected with the U-shaped seat. The impeller rotating shaft is clamped by the second idler wheels, so that the impeller rotating shaft is stably connected with the left support and the right support, and the impeller rotating shaft can adapt to impeller rotating shafts with different outer diameters by adjusting the adjusting rod up and down, so that the impeller rotating shaft is suitable for impellers of different types.
Further, foretell polypropylene centrifugal fan impeller dynamic balance detection device, actuating mechanism includes motor, belt drive assembly and connection pivot, the fixed station top is located to the motor, connect the pivot cover to locate on fixing the bearing frame on the fixed station to be connected with the motor through belt drive assembly.
Furthermore, in the dynamic balance detection device for the polypropylene centrifugal ventilator impeller, the motor is a servo motor, and the raising speed constant speed rotation of the impeller rotating shaft is adjusted so as to perform an accurate dynamic balance detection experiment.
Further, foretell polypropylene centrifugal fan impeller dynamic balance detection device, be equipped with universal pivot between impeller pivot and the actuating mechanism to be connected with the connecting shaft through universal pivot, the torsion that produces when the universal shaft can reduce the rotation prevents that the axle from leading to warping at the horizontal vibrations of rotation in-process, guarantees to connect the reliable transmission power of ability between pivot and the impeller pivot, thereby improves and detects the precision.
Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has:
1. the utility model discloses a polypropylene centrifugal fan impeller dynamic balance detection device, the shock attenuation slipmat of fixed station bottom can slow down the whole vibration of device that arouses because of impeller rotational speed is too high or dynamic unbalance to reduce the detection error that brings because of the device vibration, improve device stability and detection accuracy;
2. polypropylene centrifugal fan impeller dynamic balance detection device, support through the right side and remove the impeller of connecting adaptable different length, through fixture's upper and lower regulation and the regulation of first gyro wheel, adaptable different impeller pivot or impeller external diameter to adapt to different kinds and the impeller of size, adaptability is wide.
3. The dynamic balance detection device for the polypropylene centrifugal ventilator impeller, which is provided by the utility model, supports the impeller rotating shaft through the first roller wheel, clamps the impeller rotating shaft through the second roller wheel, can adapt to different impeller rotating shaft outer diameters, and enables the impeller rotating shaft to be simple to install and stable to clamp, thereby improving the detection precision; the dynamic balance detection machine can display the dynamic balance amount and angle in real time, judge whether the dynamic balance of the impeller is qualified or not, has high automation degree and improves the detection efficiency.
Drawings
Fig. 1 is a schematic structural view of a dynamic balance detection device for an impeller of a polypropylene centrifugal ventilator according to the present invention;
fig. 2 is a right side view structure schematic diagram of the dynamic balance detection device for the polypropylene centrifugal ventilator impeller according to the present invention;
fig. 3 is a left side view connection schematic diagram of a left support and clamping mechanism of the polypropylene centrifugal ventilator impeller dynamic balance detection device according to the present invention;
in the figure: the device comprises a fixed table 1, a dynamic balance detector 2, a left support 3, a first long hole 31, a right support 4, a clamping mechanism 5, a first roller 51, a roller seat 52, a second long hole 521, a connecting rod 522, a quick clamp 53, a clamping rod 54, a second roller 55, a supporting seat 56, a turning handle nut 57, a regulating rod 58, a U-shaped seat 59, a rotating shaft 6 of an impeller, a driving mechanism 7, a motor 71, a belt transmission assembly 72, a connecting rotating shaft 73, a sliding guide rail 8, a limiting screw 9 and a universal rotating shaft 10.
Detailed Description
The invention will be further elucidated with reference to the drawings and the specific embodiments.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1
As shown in fig. 1-3, the dynamic balance detection device for the polypropylene centrifugal ventilator impeller of the present invention comprises a fixed table 1 and a dynamic balance detector 2, wherein the dynamic balance detector 2 is arranged on one side of the fixed table 1, a display screen is arranged on the dynamic balance detector 2, the dynamic balance detector 2 can display the dynamic balance amount and angle in real time, and determine whether the dynamic balance of the impeller is qualified, the automation degree is high, and the detection efficiency is improved; fixed station 1 top one side is equipped with fixed connection's left branch and props 3, and the opposite side is equipped with the right branch that removes connection 4 and props, all be equipped with fixture 5 and the detection sensor who links to each other with dynamic balance detection machine 2 on left branch props 3, the right branch and props 4.
As shown in fig. 3, the clamping mechanism 5 includes a first roller 51, a roller seat 52, a quick clamp 53, a clamping rod 54 and a second roller 55, the roller seat 52 is disposed on the left support 3 and movably connected with the left support 3, two first rollers 51 rotatably connected with the roller seat 52 are symmetrically disposed on the two sides of the roller seat 52, a V-shaped groove formed between the two first rollers 51 is provided with an impeller rotating shaft 6, the quick clamp 53 is disposed on one side above the left support 3, the clamping rod 54 is disposed on the quick clamp 53, an adjusting rod 58 capable of moving up and down is disposed on the clamping rod 54, a U-shaped seat 59 is disposed at the end of the adjusting rod 58, a second roller 55 for clamping the impeller rotating shaft 6 is disposed on the U-shaped seat 59, and the second roller 55 is rotatably connected with the U-shaped seat 59.
As shown in fig. 1, a driving mechanism 7 is disposed at one end of the impeller rotating shaft 6 close to the left support 3, and is rotatably connected with the first roller 51 through the driving mechanism 7. Through the impeller of 4 swing joints adaptable different length of right branch props, support impeller pivot 6, second gyro wheel 55 centre gripping impeller pivot 6 through first gyro wheel 51, the 6 external diameters of adaptable different impeller pivots, adaptability is wide to make impeller pivot 6 install simply, and the centre gripping is stable, thereby improves and detects the precision.
Example 2
As shown in fig. 1-3, the dynamic balance detection device for the polypropylene centrifugal ventilator impeller of the present invention comprises a fixed table 1 and a dynamic balance detector 2, wherein the dynamic balance detector 2 is arranged on one side of the fixed table 1, a display screen is arranged on the dynamic balance detector 2, the dynamic balance detector 2 can display the dynamic balance amount and angle in real time, and determine whether the dynamic balance of the impeller is qualified, the automation degree is high, and the detection efficiency is improved; fixed station 1 top one side is equipped with fixed connection's left branch and props 3, and the opposite side is equipped with the right branch that removes connection 4 and props, all be equipped with fixture 5 and the detection sensor who links to each other with dynamic balance detection machine 2 on left branch props 3, the right branch and props 4.
As shown in fig. 3, the clamping mechanism 5 includes a first roller 51, a roller seat 52, a quick clamp 53, a clamping rod 54 and a second roller 55, the roller seat 52 is disposed on the left support 3 and movably connected with the left support 3, two first rollers 51 rotatably connected with the roller seat 52 are symmetrically disposed on the two sides of the roller seat 52, a V-shaped groove formed between the two first rollers 51 is provided with an impeller rotating shaft 6, the quick clamp 53 is disposed on one side above the left support 3, the clamping rod 54 is disposed on the quick clamp 53, an adjusting rod 58 capable of moving up and down is disposed on the clamping rod 54, a U-shaped seat 59 is disposed at the end of the adjusting rod 58, a second roller 55 for clamping the impeller rotating shaft 6 is disposed on the U-shaped seat 59, and the second roller 55 is rotatably connected with the U-shaped seat 59.
As shown in fig. 1, a driving mechanism 7 is disposed at one end of the impeller rotating shaft 6 close to the left support 3, and is rotatably connected with the first roller 51 through the driving mechanism 7. Through the impeller of 4 swing joints adaptable different length of right branch props, support impeller pivot 6, second gyro wheel 55 centre gripping impeller pivot 6 through first gyro wheel 51, the 6 external diameters of adaptable different impeller pivots, adaptability is wide to make impeller pivot 6 install simply, and the centre gripping is stable, thereby improves and detects the precision.
The bottom end of the fixed table 1 is provided with a shock-absorbing anti-slip pad, so that the overall vibration of the device caused by overhigh rotating speed or dynamic unbalance of the impeller can be reduced, and the stability and the detection precision of the device are improved.
The right support 4 is movably connected with the fixed table 1 through two sliding guide rails 8 arranged in parallel, and the moving position is limited through a limiting screw 9 at the bottom end of the right support 4. The movable connection of the right support 4 can adapt to impellers with different lengths, and the right support 4 is not displaced in the working process through a limiting screw, so that the stability of the device is improved.
As shown in fig. 2-3, the upper ends of both sides of the left support 3 are provided with first elongated holes 31, both sides of the roller seat 52 are provided with connecting rods 522 passing through the first elongated holes 31 and movably connected with the first elongated holes 31, and the tail ends of the connecting rods 522 are provided with turning handle nuts 57; the middle of the bottom surface of the roller seat 52 is provided with a support seat 56, and the support seat 56 is movably connected with the left support 3.
The roller seat 52 is centrally and symmetrically provided with second elongated holes 521 at both sides, and the first roller 51 is movably connected with the second elongated holes 521 through the second elongated holes 521.
As shown in fig. 1, the driving mechanism 7 includes a motor 71, a belt transmission assembly 72 and a connecting rotation shaft 73, the motor 71 is disposed above the fixing table 1, the connecting rotation shaft 73 is sleeved on a bearing seat fixed on the fixing table 1 and is connected with the motor 71 through the belt transmission assembly 72, and the motor 71 is a servo motor.
A universal rotating shaft 10 is arranged between the impeller rotating shaft 6 and the driving mechanism 7, and is connected with the connecting rotating shaft 73 through the universal rotating shaft 10.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a polypropylene centrifugal fan impeller dynamic balance detection device which characterized in that: comprises a fixed table (1) and a dynamic balance detector (2), wherein the dynamic balance detector (2) is arranged on one side of the fixed table (1), a display screen is arranged on the dynamic balance detector (2), a left support (3) fixedly connected with the fixed table (1) is arranged on one side above the fixed table (1), a right support (4) movably connected with the fixed table is arranged on the other side of the fixed table (1), a clamping mechanism (5) and a detection sensor connected with the dynamic balance detector (2) are respectively arranged on the left support (3) and the right support (4), the clamping mechanism (5) comprises a first roller (51), a roller seat (52), a quick clamp (53), a clamping rod (54) and a second roller (55), the roller seat (52) is arranged on the left support (3) and movably connected with the left support (3), two first rollers (51) rotatably connected with the roller seat (52) are symmetrically arranged on the centers of the two sides of the roller seat (52), constitute V type groove between two first gyro wheels (51) and be equipped with impeller pivot (6), left branch strut (3) top one side is equipped with active grab (53), be equipped with clamping rod (54) on active grab (53), be equipped with second gyro wheel (55) of centre gripping impeller pivot (6) on clamping rod (54), impeller pivot (6) are close to the one end of left branch strut (3) and are equipped with actuating mechanism (7) to rotate with first gyro wheel (51) through actuating mechanism (7) and be connected.
2. The polypropylene centrifugal fan impeller dynamic balance detection device of claim 1, wherein: and a damping non-slip mat is arranged at the bottom end of the fixed table (1).
3. The polypropylene centrifugal fan impeller dynamic balance detection device of claim 1, wherein: the right support (4) is movably connected with the fixed platform (1) through two sliding guide rails (8) arranged in parallel, and the moving position is limited through a limiting screw (9) arranged at the bottom end of the right support (4).
4. The polypropylene centrifugal fan impeller dynamic balance detection device of claim 1, wherein: the upper ends of two sides of the left support (3) are respectively provided with a first long-strip hole (31), two sides of the roller seat (52) are respectively provided with a connecting rod (522) which penetrates through the first long-strip holes (31) and is movably connected with the first long-strip holes (31), and the tail end of the connecting rod (522) is provided with a rotating handle nut (57); the middle of the bottom surface of the roller seat (52) is provided with a supporting seat (56), and the supporting seat (56) is movably connected with the left support (3).
5. The polypropylene centrifugal fan impeller dynamic balance detection device of claim 1, wherein: second long holes (521) are symmetrically formed in the centers of two sides of the roller seat (52), and a rotating shaft of the first roller (51) penetrates through the second long holes (521) and is movably connected with the second long holes (521).
6. The polypropylene centrifugal fan impeller dynamic balance detection device of claim 1, wherein: an adjusting rod (58) capable of moving up and down is arranged on the clamping rod (54), a U-shaped seat (59) is arranged at the tail end of the adjusting rod (58), and a second roller (55) rotatably connected with the U-shaped seat (59) is arranged on the U-shaped seat (59).
7. The polypropylene centrifugal fan impeller dynamic balance detection device of claim 1, wherein: actuating mechanism (7) include motor (71), belt drive assembly (72) and connect pivot (73), the fixed station top is located in motor (71), connect pivot (73) cover locate fix on the bearing frame on fixed station (1) to be connected with motor (71) through belt drive assembly (72).
8. The polypropylene centrifugal fan impeller dynamic balance detection device of claim 7, wherein: the motor (71) is a servo motor.
9. The polypropylene centrifugal fan impeller dynamic balance detection device of claim 7, wherein: a universal rotating shaft (10) is arranged between the impeller rotating shaft (6) and the driving mechanism (7) and is connected with the connecting rotating shaft (73) through the universal rotating shaft (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121463922.8U CN214893855U (en) | 2021-06-30 | 2021-06-30 | Dynamic balance detection device for impeller of polypropylene centrifugal ventilator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121463922.8U CN214893855U (en) | 2021-06-30 | 2021-06-30 | Dynamic balance detection device for impeller of polypropylene centrifugal ventilator |
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| CN214893855U true CN214893855U (en) | 2021-11-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909314A (en) * | 2022-05-20 | 2022-08-16 | 贵州永红航空机械有限责任公司 | Symmetrical blowing driving device and impeller dynamic balance test method |
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2021
- 2021-06-30 CN CN202121463922.8U patent/CN214893855U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909314A (en) * | 2022-05-20 | 2022-08-16 | 贵州永红航空机械有限责任公司 | Symmetrical blowing driving device and impeller dynamic balance test method |
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