CN112683448A - High-temperature smoke exhaust fan impeller eccentricity correction device - Google Patents
High-temperature smoke exhaust fan impeller eccentricity correction device Download PDFInfo
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- CN112683448A CN112683448A CN202011531748.6A CN202011531748A CN112683448A CN 112683448 A CN112683448 A CN 112683448A CN 202011531748 A CN202011531748 A CN 202011531748A CN 112683448 A CN112683448 A CN 112683448A
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- 239000000779 smoke Substances 0.000 title claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003517 fume Substances 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 12
- 239000000203 mixture Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model belongs to the technical field of fan test technique and specifically relates to a high temperature is discharged fume fan impeller eccentric correcting unit is related to, it include operation panel, guide rail base and slide set up in two sets of support frames on the guide rail base, the support frame is including the roller train that a set of vertical lift set up, and is two sets of be provided with the actuating mechanism who is used for making two sets of roller trains lift in step between the support frame. This application has the vertical regulation work that makes the wheel train and simply swiftly, improves test work efficiency's effect.
Description
Technical Field
The application relates to the field of fan testing technology, in particular to an eccentric correction device for a high-temperature smoke exhaust fan impeller.
Background
The impeller is an important component of fan equipment, and the vibration caused by the unbalance amount during high-speed rotation of the impeller can cause equipment vibration and noise generation, even damage the equipment structure, so that when the fan is assembled, the dynamic balance of the impeller needs to be detected and corrected so as to keep balance during high-speed rotation of the impeller.
The Chinese patent with the patent publication number of CN203432747U discloses a support frame for a fan impeller dynamic balance test, which comprises a guide rail base, wherein a base station of the support frame is arranged on the guide rail base, two groups of supporting columns are formed on the base station, two ends of a cross beam are fixed at the upper ends of the two groups of supporting columns, stand columns are respectively formed on the top end planes of the two groups of supporting columns, vertical waist-shaped holes are formed on the stand columns, lifting plates are fixed on the stand columns by penetrating through the waist-shaped holes through bolts, the middle parts of the lifting plates are hinged with two groups of idler wheels, nuts are welded on the lower end planes of the lifting plates, screw rods are screwed on the nuts, the lower ends of the screw rods are inserted and sleeved in the cross beam, adjusting wheels are pressed on; one end of the arched support is hinged to one group of the stand columns, the other end of the arched support is fixed to the other group of the stand columns through a clamp, a lifting support rod is fixed to the middle of the arched support through a stud, and a guide wheel is hinged to the bottom end of the lifting support rod.
In the actual use process, one dynamic balancing machine is generally provided with two groups of supporting frames, and two ends of a fan impeller shaft are respectively erected on the two groups of supporting frames for detection; to the impeller of different shaft diameters, need the adjustment gyro wheel height in vertical direction, and for guaranteeing the accuracy of testing result, need make the gyro wheel on two sets of support frames keep same aquatic product height to fan impeller shaft keeps the level and detects, and in foretell correlation technique, the altitude mixture control of gyro wheel in vertical direction is that operating personnel is manual goes on, needs calibration many times just can make the gyro wheel on two sets of support frames keep same level, complex operation, influences test work's efficiency.
Disclosure of Invention
In order to make the vertical altitude mixture control work of gyro wheel simple swift, this application provides a high temperature exhaust fan impeller eccentric correction device.
The application provides an eccentric correcting unit of high temperature smoke exhaust fan impeller adopts following technical scheme:
the utility model provides an eccentric correcting unit of high temperature smoke exhaust fan impeller, including operation panel, guide rail base and slide set up in two sets of support frames on the guide rail base, the support frame is including the roller train that a set of vertical lift set up, and is two sets of be provided with the actuating mechanism who is used for making two sets of roller trains go up and down in step between the support frame.
Through adopting above-mentioned technical scheme, when carrying out dynamic balance to the impeller and examining time measuring, erect impeller shaft both ends respectively on two sets of roller trains on two sets of support frames, rotate and detect dynamic balance data through operation panel control impeller, and two sets of support frames slide the setting on the guide rail base, be used for adapting to the detection work of the impeller of different axle lengths, the vertical slip setting of roller train is used for adapting to the detection work of different footpath impeller, and through actuating mechanism's setting, make two sets of roller trains keep in step when vertical direction goes up and down, and keep at same level throughout, so that the impeller shaft that awaits measuring keeps the level and detects, need not carry out calibration many times, make the vertical regulation work of roller train simple swift, improve test work's efficiency.
Preferably, the support frame is still including the lifter plate that is used for installing the roller train, the roller train install in on the lifter plate, actuating mechanism includes that two set up respectively in two vertical rack on the lifter plate, two the rack is located two sets of both sides that the support frame deviates from mutually, two it is all to rotate on the support frame and install the horizontally pivot, two the pivot is located two sets of both sides that the support frame deviates from mutually, and two the pivot is parallel to each other, two equal coaxial flat gear that has set firmly in the pivot, be located same on the support frame flat gear with rack intermeshing, actuating mechanism still includes makes two the synchronous pivoted drive assembly of pivot.
Through adopting above-mentioned technical scheme, when adjusting the vertical height of gyro wheel, make one of them lifter plate go up and down, the lifter plate drives the rack and goes up and down, and flat rack drives gear and pivot and rotates, drives another pivot synchronous rotation through drive assembly when the pivot rotates, and another pivot drives another rack through the flat gear and goes up and down to make two lifter plates go up and down in step, so that two sets of gyro wheel groups go up and down in step, keep same level all the time.
Preferably, the transmission assembly comprises two movable shafts which are respectively rotatably arranged on the two groups of support frames, the axes of the movable shafts are vertical, one end of each movable shaft is provided with a driving bevel gear, the two ends of each movable shaft are respectively provided with a driven bevel gear, the driving bevel gear on the support frame is meshed with the driven bevel gears on the upper ends of the movable shafts, the guide rail base is rotatably provided with a fixed shaft, the axis of the fixed shaft is horizontal and is consistent with the sliding direction of the support frames, and the fixed shaft is provided with two movable bevel gears which are respectively meshed with the driven bevel gears on the lower ends of the two movable shafts.
Through adopting above-mentioned technical scheme, when the pivot rotated, the cooperation through initiative bevel gear and driven bevel gear made the loose axle rotate, and the loose axle makes the fixed axle rotate through driven bevel gear and movable bevel gear's cooperation, and the cooperation through another group movable bevel gear and driven bevel gear makes another loose axle rotate, and another loose axle makes another pivot rotate through initiative bevel gear and driven bevel gear's cooperation, and then realizes the synchronous pivoted function of two pivots of drive, simple structure easy to carry out.
Preferably, the movable bevel gear is slidably sleeved on the fixed shaft, and a locking piece for fixing the movable bevel gear is arranged between the fixed shaft and the movable bevel gear.
Through adopting above-mentioned technical scheme, the slip setting of activity bevel gear on the fixed axle for the carriage can both make activity bevel gear and driven bevel gear meshing when different positions, and through the locking piece locking back, realize that drive assembly makes two synchronous pivoted functions of pivot.
Preferably, the movable bevel gear is connected with a locking ring sleeved on the fixed shaft, the locking member comprises a locking bolt which is assembled on the locking ring in a threaded manner, the fixed shaft is provided with a plurality of locking holes for the locking bolt to be inserted, and the locking holes are distributed along the axial direction of the fixed shaft.
By adopting the technical scheme, when the movable bevel gear slides to be meshed with the driven bevel gear, the locking block is fixed with the fixed shaft through the matching of the locking bolt and the locking hole, even if the movable bevel gear is fixed with the fixed shaft, the movable bevel gear and the driven bevel gear are kept in a meshed state and are not easy to separate, and the fixed shaft can stably play a role in enabling the two movable shafts to synchronously rotate.
Preferably, the fixed shaft is provided with a limiting groove along the axis direction, and the movable bevel gear is connected with a limiting block which is embedded in the limiting groove in a sliding manner.
By adopting the technical scheme, the movable bevel gear and the fixed shaft are not easy to rotate relatively due to the matching of the limiting block and the limiting groove, so that the locking bolt corresponds to the locking hole in position, and the movable bevel gear is convenient to fix.
Preferably, a driving motor for driving the fixed shaft to rotate is arranged on the guide rail base.
Through adopting above-mentioned technical scheme, driving motor makes the fixed axle rotate to drive two lifter plates through the gear train and go up and down in step, realize the function of the vertical height of two sets of gyro wheels of synchronous adjustment, do not need manual operation, further improve the convenience of the vertical altitude mixture control of gyro wheel.
Preferably, the support frame is provided with a vertical graduated scale, and the lifting plate is provided with a pointer pointing to the graduated scale.
Through adopting above-mentioned technical scheme, the setting of pointer and scale, the accurate height-adjusting of gyro wheel of being convenient for is convenient for judge simultaneously whether two sets of gyro wheels are in same level to carry out the calibration to actuating mechanism.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arrangement of the driving mechanism, the two groups of roller groups are synchronously lifted in the vertical direction and are always kept at the same horizontal height, so that the impeller shaft to be tested is kept horizontal for detection without being calibrated for many times, the vertical adjustment work of the roller groups is simple and quick, and the efficiency of the test work is improved;
2. when the vertical heights of the roller groups are adjusted, the fixed shaft is driven to rotate through the driving motor, the movable shaft is driven to rotate through the matching of the movable bevel gear and the driven bevel gear, the rotating shaft is driven to rotate through the matching of the driving bevel gear and the driven bevel gear, and the lifting plate is vertically lifted through the meshing of the flat gears and the racks, so that the function of synchronously adjusting the vertical heights of the two roller groups is realized, and the structure is simple and easy to implement;
3. through the sliding arrangement of the movable bevel gear on the fixed shaft and the matching arrangement of the locking bolt and the locking hole, the movable bevel gear can be meshed with the driven bevel gear when the support frame is at different positions, so that the function of driving the two groups of rollers to synchronously lift by the driving mechanism is realized.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is an enlarged schematic view at B of FIG. 1;
fig. 4 is an enlarged schematic view at C in fig. 1.
Reference numerals: 1. an operation table; 2. a guide rail base; 3. a support frame; 31. a lifting plate; 4. a graduated scale; 5. a pointer; 6. a rack; 7. a rotating shaft; 8. a flat gear; 9. a movable shaft; 10. a drive bevel gear; 11. a driven bevel gear; 12. a fixed shaft; 13. a movable bevel gear; 14. a locking ring; 15. a locking bolt; 16. a locking hole; 17. a limiting groove; 18. the motor is driven.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, the embodiment of the application discloses an eccentric correction device for an impeller of a high-temperature smoke exhaust fan, which comprises a guide rail base 2 horizontally arranged on the ground, wherein one end of the guide rail base 2 is fixedly provided with an operating platform 1; two groups of support frames 3 are arranged on the guide rail base 2, and the two groups of support frames 3 are arranged on the guide rail base 2 in a sliding manner along the length direction of the guide rail base 2; one side fixed mounting that operation panel 1 is close to guide rail base 2 has a horizontally brace table, rotates on the brace table to be provided with a horizontally drive shaft, and the drive shaft sets up along guide rail base 2's length direction, is provided with in the operation panel 1 to drive shaft pivoted motor, and the one end that operation panel 1 was kept away from to the drive shaft articulates has a ring flange with fan impeller shaft fixed connection. The impeller is erected on the two groups of supporting frames 3, the impeller shaft and the flange plate are fixed, and the impeller is driven to rotate through the driving shaft so as to detect dynamic balance data of the impeller.
Referring to fig. 1, the supporting frame 3 includes a supporting seat slidably disposed on the guide rail base 2, the supporting seat is horizontally disposed in a strip shape and is perpendicular to the length direction of the guide rail base 2, two sliding grooves are disposed on the guide rail base 2 along the length direction thereof, the cross sections of the sliding grooves are in a "T" shape, and two sliding blocks respectively embedded in the sliding grooves and slidably fitted with the sliding grooves are fixedly disposed on the supporting seat; two vertical support columns are fixedly arranged at two ends above the support frame 3, the upper ends of the two support columns are fixedly connected through a connecting plate, a detection instrument is fixedly arranged above the connecting plate, a horizontal support plate is fixedly arranged above the detection instrument, two vertical stand columns are fixedly arranged at two ends of the support plate, a lifting plate 31 is vertically arranged on one side, away from the other support frame 3, of the two stand columns on the same support frame 3 in a lifting mode, the lifting plate 31 is vertically arranged, and the length direction of the lifting plate is consistent with that of the support frame; two locking bolts are assembled at two ends of the lifting plate 31 in a threaded manner, threaded holes for the locking bolts to be assembled in a threaded manner are formed in the lifting plate 31 in a penetrating manner, locking grooves for the locking bolts to pass through are formed in the upright post in a penetrating manner, the locking grooves are formed in the vertical direction, the head parts of the locking bolts are positioned on one side, away from the lifting plate 31, of the upright post, and rod parts of the locking bolts sequentially pass through the locking grooves and the threaded holes and then are fixedly connected with a; a roller group is rotatably arranged on the lifting plates 31 and is positioned at one side of the two lifting plates 31 close to each other, the roller group comprises two rollers with horizontal axes, and the axes of the rollers are consistent with the length direction of the guide rail base 2; the upper ends of the two upright posts are hinged with an arched bracket, and for the specific structure, please refer to chinese patent with patent publication No. CN203432747U, which is not described herein again.
When the impeller is installed, two ends of the impeller are respectively positioned on the two groups of roller wheels and are clamped by the arched bracket, and dynamic balance data in the rotating process of the impeller is detected by a detection instrument in the process that the driving shaft drives the impeller to rotate; and the distance between the roller group and the arched bracket can be adjusted by the lifting arrangement of the lifting plate 31 so as to adapt to the detection work of impellers with different shaft diameters.
Referring to fig. 2, for the vertical height of the accurate adjustment lifter plate 31, on two columns on the same support frame 3, a vertical graduated scale 4 is fixedly arranged on one side of each deviation, and two pointers 5 pointing to the two graduated scales 4 respectively are fixedly arranged at two ends of the lifter plate 31, so that whether two groups of roller sets are at the same horizontal height or not is conveniently judged, the impeller shaft to be detected is in a horizontal state for detection, and the accuracy of the detection structure is improved.
In order to keep the two groups of roller sets on the two groups of support frames 3 at the same horizontal height all the time, a driving mechanism for synchronously lifting the two lifting plates 31 is arranged between the two groups of support frames 3.
Referring to fig. 1, the driving mechanism includes two racks 6 respectively fixedly disposed on the two lifting plates 31, the racks 6 are disposed on the sides of the two lifting plates 31 that are away from each other and are vertically disposed, and tooth surfaces of the two racks 6 respectively face the two sides of the two sets of support frames 3 that are away from each other; a horizontal rotating shaft 7 is rotatably mounted on the two groups of supporting frames 3 respectively, the axis direction of the rotating shaft 7 is vertical to the length direction of the guide rail base 2, the two rotating shafts 7 are respectively positioned at two sides of the two racks 6 which are deviated from each other, the rotating shaft 7 is rotatably mounted on the supporting frames 3 through two lug seats fixed on the supporting plates, a flat gear 8 is coaxially and fixedly sleeved on the rotating shaft 7, and the racks 6 positioned on the same supporting frame 3 are meshed with the flat gear 8; the driving mechanism further comprises a transmission component which enables the two rotating shafts 7 to synchronously rotate, and the rotating directions of the two rotating shafts 7 are opposite when the two rotating shafts 7 synchronously rotate in the embodiment. When the two rotating shafts 7 rotate synchronously, the racks 6 are driven to lift through the flat gears 8 respectively, so that the two racks 6 and the lifting plates 31 fixedly connected with the racks lift or fall synchronously, and the two groups of roller groups keep the same horizontal height all the time in the adjusting process.
Referring to fig. 3, the transmission assembly includes two movable shafts 9 respectively rotatably mounted on the two groups of support frames 3, the movable shafts 9 are vertically arranged, the two movable shafts 9 are located on the same side of the two groups of support frames 3 in the sliding direction, and the movable shafts 9 are rotatably mounted on the support frames 3 through two ear seats fixed on the outer wall of the detection instrument; two ends of the movable shaft 9 are coaxially and fixedly provided with driven bevel gears 11, one end of the rotating shaft 7 close to the movable shaft 9 is coaxially and fixedly provided with a driving bevel gear 10, and the driven bevel gears 11 positioned at the upper end of the movable shaft 9 are meshed with the driving bevel gears 10 positioned on the same supporting frame 3; the transmission assembly further comprises a fixed shaft 12 rotatably mounted on the guide rail base 2, the fixed shaft 12 is horizontally arranged along the length direction of the guide rail base 2, two ends of the fixed shaft 12 are rotatably mounted on the guide rail base 2 through two lug seats fixed on the guide rail base 2, and two movable bevel gears 13 respectively meshed with two driven bevel gears 11 at the lower ends of the two movable shafts 9 are arranged on the fixed shaft 12. The function of enabling the two rotating shafts 7 to synchronously rotate is achieved through the matching of the movable shaft 9, the fixed shaft 12 and the gear set, and the structure is simple and easy to implement.
Referring to fig. 4, the movable bevel gear 13 is slidably fitted over the fixed shaft 12 so that the position thereof can be adjusted to mesh with the driven bevel gear 11 with respect to the position of the support frame 3, and a locking member is provided between the fixed shaft 12 and the movable bevel gear 13 in order to maintain the movable bevel gear 13 stably meshed with the driven bevel gear 11.
Referring to fig. 4, one side of each of the two movable bevel gears 13 close to each other is fixedly connected with a locking ring 14 sleeved on the fixed shaft 12, the locking member includes a locking bolt 15 screwed on the locking ring 14, the fixed shaft 12 is provided with a plurality of locking holes 16 for the locking bolts 15 to be inserted, and the locking holes 16 are uniformly distributed along the axial direction of the fixed shaft 12. The movable bevel gear 13 is fixed with the fixed shaft 12 through the matching of the locking bolt 15 and the locking hole 16, and the operation is simple and convenient.
Referring to fig. 4, in order to conveniently correspond the locking bolt 15 to the locking hole 16, a limit groove 17 is formed on the fixed shaft 12 along the length direction thereof, and a limit block which is embedded in the limit groove 17 and slidably fitted with the limit groove 17 is fixedly disposed on the inner wall of the movable bevel gear 13.
Referring to fig. 1, a driving motor 18 is fixedly disposed at one end of a fixed shaft 12 on a guide rail base 2, the fixed shaft 12 is coaxially and fixedly connected with an output shaft of the driving motor 18, and the driving motor 18 drives the fixed shaft 12 to rotate so as to drive two groups of roller wheels to lift, so that the roller wheels are more convenient to adjust in height.
The implementation principle of the embodiment is as follows: when the height of the roller needs to be adjusted, the locking bolt is loosened, the driving motor 18 is started to enable the fixed shaft 12 to rotate, the two movable shafts 9 are enabled to rotate synchronously through the cooperation of the movable bevel gear 13 and the driven bevel gear 11, the two rotating shafts 7 are enabled to rotate synchronously through the cooperation of the driven bevel gear 11 and the driving bevel gear 10, the two lifting plates 31 are enabled to lift synchronously through the cooperation of the flat gear 8 and the rack 6, the vertical height of the roller group is adjusted to adapt to the detection work of impellers with different shaft diameters, the two roller groups are always at the same horizontal height in the adjusting process, multiple times of calibration is not needed, and the height adjusting work of the roller is enabled to be simple and rapid.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an eccentric correcting unit of high temperature smoke exhaust fan impeller, including operation panel (1), guide rail base (2) with slide set up in two sets of support frame (3) on guide rail base (2), support frame (3) are including the roller train that a set of vertical lift set up, its characterized in that: a driving mechanism for synchronously lifting the two groups of roller groups is arranged between the two groups of supporting frames (3).
2. The high temperature smoke exhaust fan impeller eccentricity correction device of claim 1, characterized in that: the supporting frames (3) also comprise lifting plates (31) used for mounting roller groups, the roller groups are mounted on the lifting plates (31), the driving mechanism comprises two vertical racks (6) respectively arranged on the two lifting plates (31), the two racks (6) are positioned at two sides of the two groups of supporting frames (3) which are deviated from each other, horizontal rotating shafts (7) are rotatably mounted on the two groups of supporting frames (3), the two rotating shafts (7) are positioned at two sides of the two groups of supporting frames (3) which are deviated from each other, and two the pivot (7) are parallel to each other, and two all coaxial set firmly in pivot (7) spur gear (8), be located same on support frame (3) spur gear (8) with rack (6) intermeshing, actuating mechanism still includes and makes two pivot (7) synchronous rotating's transmission assembly.
3. The high temperature smoke exhaust fan impeller eccentricity correction device of claim 2, characterized in that: the transmission assembly comprises two movable shafts (9) which are respectively rotatably arranged on two groups of support frames (3), the axes of the movable shafts (9) are vertical, one end of each rotating shaft (7) is provided with a driving bevel gear (10), the two ends of each movable shaft (9) are respectively provided with a driven bevel gear (11), the driving bevel gears (10) and the driven bevel gears (11) at the upper ends of the movable shafts (9) are meshed with each other on the support frames (3), a fixed shaft (12) is rotatably arranged on each guide rail base (2), the axis of the fixed shaft (12) is horizontal and is consistent with the sliding direction of the support frames (3), and two movable bevel gears (13) which are respectively meshed with the driven bevel gears (11) at the lower ends of the movable shafts (9) are arranged on the fixed shaft (12).
4. The high temperature smoke exhaust fan impeller eccentricity correction device of claim 3, characterized in that: the movable bevel gear (13) is slidably sleeved on the fixed shaft (12), and a locking piece for fixing the movable bevel gear (13) is arranged between the fixed shaft (12) and the movable bevel gear (13).
5. The high temperature smoke exhaust fan impeller eccentricity correction device of claim 4, characterized in that: the movable bevel gear (13) is connected with a locking ring (14) sleeved on the fixed shaft (12), the locking piece comprises a locking bolt (15) assembled on the locking ring (14) in a threaded mode, the fixed shaft (12) is provided with a plurality of locking holes (16) for the locking bolt (15) to be inserted, and the locking holes (16) are distributed along the axial direction of the fixed shaft (12).
6. The high temperature smoke exhaust fan impeller eccentricity correction device of claim 5, characterized in that: the fixed shaft (12) is provided with a limiting groove (17) along the axis direction, and the movable bevel gear (13) is connected with a limiting block which is embedded in the limiting groove (17) in a sliding manner.
7. The eccentric correcting unit of high temperature smoke exhaust fan impeller of claim, characterized in that: and a driving motor (18) for driving the fixed shaft (12) to rotate is arranged on the guide rail base (2).
8. The high temperature smoke exhaust fan impeller eccentricity correction device of claim 7, characterized in that: the vertical graduated scale (4) is arranged on the support frame (3), and a pointer (5) pointing to the graduation of the graduated scale (4) is arranged on the lifting plate (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011531748.6A CN112683448B (en) | 2020-12-23 | 2020-12-23 | High-temperature smoke exhaust fan impeller eccentricity correction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011531748.6A CN112683448B (en) | 2020-12-23 | 2020-12-23 | High-temperature smoke exhaust fan impeller eccentricity correction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112683448A true CN112683448A (en) | 2021-04-20 |
| CN112683448B CN112683448B (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011531748.6A Active CN112683448B (en) | 2020-12-23 | 2020-12-23 | High-temperature smoke exhaust fan impeller eccentricity correction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112683448B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117766348A (en) * | 2024-02-22 | 2024-03-26 | 山东泰开电力开关有限公司 | Balance adjustment testing device for circuit breaker |
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| CN209858140U (en) * | 2019-07-06 | 2019-12-27 | 东营市泰达石油装备有限责任公司 | Static balance detection device for rotor of flotation equipment |
| CN211366796U (en) * | 2019-11-04 | 2020-08-28 | 佛山市顺德区艾格玛机电科技有限公司 | Single-motor multi-stage combined driving lifting mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110083505A1 (en) * | 2009-10-08 | 2011-04-14 | Allen Iv George I | Balance Test Indexing Tool for Balance-Testing a Rotor |
| 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 |
| CN205691286U (en) * | 2016-05-18 | 2016-11-16 | 上虞市江南风机有限公司 | A kind of bracing frame and the blower fan dynamic balancing machine with this bracing frame |
| CN208751788U (en) * | 2018-09-28 | 2019-04-16 | 重庆科奥风机制造有限公司 | A kind of draught fan impeller balancing machine |
| CN209372304U (en) * | 2019-01-05 | 2019-09-10 | 武汉新宜搏科技有限公司 | A kind of lift dynamic balance detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117766348A (en) * | 2024-02-22 | 2024-03-26 | 山东泰开电力开关有限公司 | Balance adjustment testing device for circuit breaker |
| CN117766348B (en) * | 2024-02-22 | 2024-05-31 | 山东泰开电力开关有限公司 | Balance adjustment testing device for circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112683448B (en) | 2023-02-03 |
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