CN219890648U - Centrifugal fan impeller balance detection device - Google Patents
Centrifugal fan impeller balance detection device Download PDFInfo
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- CN219890648U CN219890648U CN202320500063.8U CN202320500063U CN219890648U CN 219890648 U CN219890648 U CN 219890648U CN 202320500063 U CN202320500063 U CN 202320500063U CN 219890648 U CN219890648 U CN 219890648U
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- fixedly connected
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- centrifugal fan
- impeller
- sleeve
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- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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Abstract
The utility model discloses a centrifugal fan impeller balance detection device, which comprises: a frame; the fixing assembly comprises a supporting plate fixedly connected to the inside of the frame body, a rotating shaft is rotationally connected to the supporting plate, a fixing disc is fixedly connected to the end part of the rotating shaft, a fixing plate is fixedly connected to the fixing disc, a threaded rod is connected to the fixing plate in a penetrating threaded manner, an upper arc plate is rotationally connected to the bottom end of the threaded rod, a lower arc plate is fixedly connected to the fixing disc, and a limiting collar is sleeved on the upper arc plate and the lower arc plate; the detection assembly comprises a measuring distance sleeve fixedly connected to the supporting plate. The utility model can fully limit and fix the impellers, supports the detection of the impellers with different specifications and sizes, and improves the usability of the device; and the vibration phenomenon of the impeller is more convenient to observe, the accuracy of detection is improved, and the follow-up use of the impeller is ensured.
Description
Technical Field
The utility model relates to the technical field of fan detection, in particular to a centrifugal fan impeller balance detection device.
Background
The centrifugal fan is a driven mechanical device for accelerating gas flow or changing gas flow direction through an impeller rotating at a high speed, the principle applied by the centrifugal fan is mainly that mechanical kinetic energy is converted into pressure potential energy, wherein the impeller in the centrifugal fan has the effect of changing the radial direction of inflow gas, so that the gas enters a diffuser to change the gas flow direction and decelerate the gas, kinetic energy is converted into potential energy through the deceleration effect, and in addition, the working of the centrifugal fan is closely related to the temperature and the density of the gas, so that the power of the centrifugal fan can be influenced by the gas.
The existing centrifugal fan impeller balance detection device comprises the following structures: the utility model discloses a polypropylene centrifugal fan impeller dynamic balance detection device for the centrifugal fan, including fixed station, dynamic balance detection machine, fixed station one side is equipped with dynamic balance detection machine, be equipped with the display screen on the dynamic balance detection machine, fixed station top one side is equipped with fixed connection's left branch and supports, and the opposite side is equipped with the right branch of removal connection, all be equipped with fixture and the detection sensor who links to each other with dynamic balance detection machine on left branch support, the right branch support, fixture includes first gyro wheel, gyro wheel seat, quick tongs, clamping lever and second gyro wheel, the gyro wheel seat is located on the left branch and is connected with left branch support is movable.
The above prior art often has the following problems when in use:
1. because the rotating speed of the impeller of the centrifugal fan is higher in the working operation process, if the integral structure of the impeller and the blades thereof before the impeller is put into use is unbalanced, the stability of the impeller is greatly reduced when the impeller rotates, so that gas cannot be effectively guided and pressurized, the fixing or clamping modes of the impeller in the existing detection device are single, the impellers with different specifications and inner diameters cannot be supported, and the usability of the device is reduced;
2. if the impeller is unbalanced, the impeller can vibrate at a certain amplitude in rotation, and the rotation condition of the impeller can be observed generally, but if the unbalance degree of the impeller is low, the vibration amplitude is small, the vibration phenomenon is difficult to observe, detection errors are caused, and the follow-up use of the impeller is affected.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides a centrifugal fan impeller balance detection device.
The embodiment of the utility model provides a centrifugal fan impeller balance detection device, which comprises: a frame; the fixing assembly comprises a supporting plate fixedly connected to the inside of the frame body, a rotating shaft is rotationally connected to the supporting plate, a fixing disc is fixedly connected to the end part of the rotating shaft, a fixing plate is fixedly connected to the fixing disc, a threaded rod is connected to the fixing plate in a penetrating threaded manner, an upper arc plate is rotationally connected to the bottom end of the threaded rod, a lower arc plate is fixedly connected to the fixing disc, and a limiting collar is sleeved on the upper arc plate and the lower arc plate; the detecting assembly comprises a measuring distance sleeve fixedly connected to the supporting plate, a piston is connected in the sleeve in a sealing sliding mode, a sleeve column is fixedly connected to the piston, and a bottom plate is fixedly connected to the bottom end of the sleeve column.
In order to better solve the technical problems, a further technical scheme is adopted: the motor is fixedly connected to the supporting plate, and the rotating shaft penetrates through the supporting plate and is fixedly connected with the output end of the motor.
In order to better solve the technical problems, a further technical scheme is adopted: the upper arc plate is fixedly connected with a limit nail, the lower arc plate is provided with a through hole, and the limit nail can be slidably connected in the through hole.
In order to better solve the technical problems, a further technical scheme is adopted: the limiting lantern ring consists of two semicircular lantern rings which are arranged in an arc shape, and the two semicircular lantern rings are connected through bolts.
In order to better solve the technical problems, a further technical scheme is adopted: the measuring distance sleeve is made of transparent materials, and scales are arranged on the surface of the measuring distance sleeve.
In order to better solve the technical problems, a further technical scheme is adopted: the bottom surface of the bottom plate is provided with a lubricating coating.
The utility model has the advantages that: the fixed assembly is arranged, the impeller is supported by the upper arc-shaped plate and the lower arc-shaped plate, and meanwhile, the impeller is fully limited and fixed by the limiting lantern ring, so that fixed detection of impellers with different specifications and inner diameters is supported, and the usability of the device is improved; and set up the detection component, the measuring distance sleeve through transparent setting converts the vibration amplitude when impeller rotates for vibration phenomenon is convenient for observe more, promotes the degree of accuracy that detects, guarantees the follow-up use of putting into of impeller.
Drawings
Fig. 1 is a schematic diagram illustrating a front view of a centrifugal fan impeller balance detection apparatus according to an embodiment of the present utility model.
Fig. 2 is a schematic side view of a fixed disc part of a centrifugal fan impeller balance detection device according to an embodiment of the present utility model.
Fig. 3 is a schematic structural diagram of a detecting component part in a centrifugal fan impeller balance detecting device according to an embodiment of the present utility model.
In the above figures: 1 frame body, 2 backup pad, 3 pivot, 4 fixed disk, 5 fixed plate, 6 threaded rod, 7 upper arc, 8 lower arc, 9 spacing lantern rings, 10 gauge sleeve, 11 pistons, 12 cover posts, 13 bottom plate, 14 motor, 15 spacing nail.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1-3, an embodiment of the present utility model provides a centrifugal fan impeller balance detection device, which includes a frame 1, a fixing component and a detection component; the fixing assembly comprises a supporting plate 2 fixedly connected to the inside of the frame body 1, a rotating shaft 3 is rotatably connected to the supporting plate 2, a motor 14 is fixedly connected to the supporting plate 2, the rotating shaft 3 penetrates through the supporting plate 2 and is fixedly connected with the output end of the motor 14, the end part of the rotating shaft 3 is fixedly connected with a fixing disc 4, a fixing plate 5 is fixedly connected to the fixing disc 4, a threaded rod 6 is fixedly connected to the fixing plate 5 in a penetrating threaded manner, an upper arc-shaped plate 7 is rotatably connected to the bottom end of the threaded rod 6, a lower arc-shaped plate 8 is fixedly connected to the fixing disc 4, a limit nail 15 is fixedly connected to the upper arc-shaped plate 7, a through hole is formed in the lower arc-shaped plate 8, the limit nail 15 can be slidably connected to the through hole, limit collars 9 are sleeved on the upper arc-shaped plate 7 and the lower arc-shaped plate 8, each limit collar 9 consists of two semicircular collars which are arranged in a circular arc shape, and the two semicircular collars are connected through bolts;
firstly, insert the impeller suit on arc 7 and the arc 8 down, make the arc 7 rise or descend through rotating threaded rod 6, make the upper surface of arc 7 fully contact impeller hole surface, thereby make the arc 7 and the arc 8 cooperation fully support the impeller down, and make spacing lantern ring 9 lock the impeller gradually through the bolt on the spacing lantern ring 9 of rotation, thereby realize fully fixing to the impeller, and then make pivot 3 drive the impeller through fixed disc 4 through starter motor 14 and rotate and detect, through the spacing fixed cooperation of arc 7 and arc 8 and spacing lantern ring 9 down, the impeller to different specifications and internal diameter size is fixed and is detected, the usability of the device has been promoted.
As shown in fig. 1, the detection assembly comprises a measuring distance sleeve 10 fixedly connected to the supporting plate 2, the measuring distance sleeve 10 is made of transparent materials, scales are arranged on the surface of the measuring distance sleeve 10, a piston 11 is connected in the measuring distance sleeve 10 in a sealing sliding manner, a sleeve column 12 is fixedly connected to the piston 11, the bottom end of the sleeve column 12 is fixedly connected with a bottom plate 13, and a lubricating coating is arranged on the bottom surface of the bottom plate 13;
before the impeller rotates and detects, the position of the piston 11 is kept stable relative to the measuring distance sleeve 10, the position of the piston 11 is just kept at the position, which is just above the impeller and is just not attached, of the bottom plate 13, the output end of the motor 14 drives the rotating shaft 3 and the fixed disc 4 to rotate, so that the impeller synchronously rotates, whether the vibration generated by the high-speed rotation of the impeller contacts with the bottom plate 13 or not is detected, when the impeller rotates and contacts with the bottom plate 13, the bottom plate 13 pushes the piston 11 to move upwards in the measuring distance sleeve 10 through the sleeve column 12, the maximum up-down vibration amplitude of the impeller can be observed through observing the scale on the surface of the measuring distance sleeve 10, the vibration phenomenon is more convenient to observe, the detection accuracy is improved, and the follow-up use of the impeller is ensured.
The detailed working process of the utility model is as follows:
when the device is used, the impeller is sleeved and connected onto the upper arc-shaped plate 7 and the lower arc-shaped plate 8, the upper arc-shaped plate 7 ascends or descends through the rotating threaded rod 6, the upper surface of the upper arc-shaped plate 7 fully contacts with the inner hole surface of the impeller, the upper arc-shaped plate 7 and the lower arc-shaped plate 8 are matched to fully support the impeller, the limiting sleeve ring 9 is gradually locked with the impeller through the bolts on the limiting sleeve ring 9, so that the impeller is fully fixed, the rotating shaft 3 is driven to rotate through the fixed disc 4 through the starting motor 14 to detect, and the fixed detection of impellers with different specifications and inner diameters is supported through the limiting fixed matching of the upper arc-shaped plate 7, the lower arc-shaped plate 8 and the limiting sleeve ring 9, so that the usability of the device is improved;
before the impeller rotates and detects, the position of the piston 11 is kept stable relative to the measuring distance sleeve 10, the position of the piston 11 is just kept at the position, which is just above the impeller and is just not attached, of the bottom plate 13, the output end of the motor 14 drives the rotating shaft 3 and the fixed disc 4 to rotate, so that the impeller synchronously rotates, whether the vibration generated by the high-speed rotation of the impeller contacts with the bottom plate 13 or not is detected, when the impeller rotates and contacts with the bottom plate 13, the bottom plate 13 pushes the piston 11 to move upwards in the measuring distance sleeve 10 through the sleeve column 12, the maximum up-down vibration amplitude of the impeller can be observed through observing the scale on the surface of the measuring distance sleeve 10, the vibration phenomenon is more convenient to observe, the detection accuracy is improved, and the follow-up use of the impeller is ensured.
Claims (6)
1. A centrifugal fan impeller balance detection device, comprising: a frame (1); the fixing assembly comprises a supporting plate (2) fixedly connected to the inside of the frame body (1), a rotating shaft (3) is rotationally connected to the supporting plate (2), a fixed disc (4) is fixedly connected to the end part of the rotating shaft (3), a fixed plate (5) is fixedly connected to the fixed disc (4), a threaded rod (6) is connected to the fixed plate (5) in a penetrating threaded manner, an upper arc plate (7) is rotationally connected to the bottom end of the threaded rod (6), a lower arc plate (8) is fixedly connected to the fixed disc (4), and a limiting collar (9) is sleeved on the upper arc plate (7) and the lower arc plate (8); the detection assembly comprises a measuring sleeve (10) fixedly connected to the supporting plate (2), a piston (11) is connected in the measuring sleeve (10) in a sealing sliding manner, the piston (11) is fixedly connected with a sleeve column (12), and the bottom end of the sleeve column (12) is fixedly connected with a bottom plate (13).
2. The centrifugal fan impeller balance detection apparatus according to claim 1, wherein: the motor (14) is fixedly connected to the supporting plate (2), and the rotating shaft (3) penetrates through the supporting plate (2) and is fixedly connected with the output end of the motor (14).
3. The centrifugal fan impeller balance detection apparatus according to claim 2, wherein: the upper arc plate (7) is fixedly connected with a limit nail (15), the lower arc plate (8) is provided with a through hole, and the limit nail (15) can be slidably connected in the through hole.
4. A centrifugal fan impeller balance detection apparatus according to claim 3, wherein: the limiting sleeve ring (9) consists of two semicircular sleeve rings which are arranged in an arc shape, and the two semicircular sleeve rings are connected through bolts.
5. The centrifugal fan impeller balance detection apparatus according to claim 1, wherein: the measuring distance sleeve (10) is made of transparent materials, and scales are arranged on the surface of the measuring distance sleeve (10).
6. The centrifugal fan impeller balance detection apparatus according to claim 1, wherein: the bottom surface of the bottom plate (13) is provided with a lubricating coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320500063.8U CN219890648U (en) | 2023-03-15 | 2023-03-15 | Centrifugal fan impeller balance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320500063.8U CN219890648U (en) | 2023-03-15 | 2023-03-15 | Centrifugal fan impeller balance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219890648U true CN219890648U (en) | 2023-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320500063.8U Active CN219890648U (en) | 2023-03-15 | 2023-03-15 | Centrifugal fan impeller balance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219890648U (en) |
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2023
- 2023-03-15 CN CN202320500063.8U patent/CN219890648U/en active Active
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