Fan blade vibration detection device

Abstract

The utility model relates to the technical field of fan detection, and discloses a fan blade vibration detection device, which comprises a detection table and further comprises a motor, the mounting seat is used for mounting a fan; the vibration reduction mechanism is arranged between the detection table and the mounting seat and is used for carrying out buffering and vibration reduction on the fan; the mounting frame is mounted on one side of the mounting seat, and a detection frame is mounted on the mounting frame; according to the utility model, the fan is mounted on the mounting seat, and the blade fan is connected with the output shaft of the fan, so that during detection, vibration generated in the rotation process of the blade fan can be transmitted to the output shaft of the fan, the elastic contact mechanism displaces, and the vibration of the blade fan of the fan is detected by detecting the displacement of the elastic contact mechanism; and the vibration reduction mechanism can prevent vibration generated in the working process of the fan motor from influencing the accuracy of the blade fan vibration detection result, and the sealing mechanism can realize the airtight detection of the fan blade fan, so that the detection result is prevented from being influenced by the external environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan detection technical field, concretely is a fan vane vibration detection device. BACKGROUND

[0002] The fan is relied on inputted mechanical energy, improves gas pressure and sends gas's industrial machine, and the fan is generally to gas compression and gas delivery machine's abbreviation, the fan that commonly said includes ventilator, air blower, wind driven generator etc.

[0003] The fan needs to be detected in the process of production and manufacture, and the vibration detection of the fan vane is also extremely important, but the motor of the fan itself will also produce vibration when working in the process of vibration detection of the fan vane, thereby the accuracy of the fan vane vibration detection result is influenced, therefore improvement is needed, and the technical personnel in the art propose a fan vane vibration detection device to solve the problems in the above background. UTILITY MODEL CONTENTS

[0004] The utility model is directed to provide a fan vane vibration detection device to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A fan vane vibration detection device, comprising a detection table, further comprising:

[0007] Mounting seat for mounting the fan;

[0008] Damping mechanism, the damping mechanism is arranged between the detection table and the mounting seat, and is used for buffering and damping the fan;

[0009] Mounting frame mounted on one side of the mounting seat, and a detection frame is mounted on the mounting frame;

[0010] Elastic contact mechanism, the elastic contact mechanism is arranged in the detection frame, and is used for contacting the output shaft of the fan;

[0011] Sealing mechanism, the sealing mechanism is arranged on the detection table, and is used for sealing the detection area.

[0012] As a further scheme of the utility model: the damping mechanism includes a plurality of fixed cylinders mounted on the detection table, a sliding cavity is formed in the fixed cylinder, a sliding plate is slidably arranged in the sliding cavity, the sliding plate is fixedly connected with a support rod, the support rod is fixedly connected with the mounting seat, a first spring connected with the sliding plate is arranged at the bottom of the sliding cavity, and a damper connected with the sliding plate is arranged at the bottom of the sliding cavity.

[0013] As a further scheme of the utility model: the elastic contact mechanism includes a plurality of annularly distributed inner cavities which are arranged in the detection frame, a moving plate is slidably arranged in the inner cavities, the moving plate is fixedly connected with a moving rod which is towards the middle part of the detection frame, a contact plate is installed at the end of the moving rod which is away from the moving plate, and a second spring which is connected with the moving plate is arranged in the inner cavity.

[0014] As a further scheme of the utility model: a distance sensor is arranged on the inner wall of the inner cavity.

[0015] As a further scheme of the utility model: the sealing mechanism includes hydraulic rods which are installed on both sides of the detection table, and the hydraulic rods are fixedly connected with sealing covers which are open at the bottom.

[0016] Compared with the prior art, the utility model has the beneficial effects that: the fan is installed on the mounting seat, the fan blade is connected with the output shaft of the fan, when detecting, the vibration of the fan blade during rotation is transmitted to the output shaft of the fan, the elastic contact mechanism is displaced, the vibration of the fan blade is detected by detecting the displacement of the elastic contact mechanism, the accuracy of the vibration detection result of the fan blade is avoided from being affected by the vibration generated during the working process of the fan motor by the damping mechanism, and the sealed detection of the fan blade is realized by the sealing mechanism, and the detection result is avoided from being affected by the external environment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structural schematic view of a fan blade vibration detection device.

[0018] Fig. 2 It is a structural schematic view of the inside of the detection frame in a fan blade vibration detection device.

[0019] Fig. 3 It is a structural schematic view of a damping mechanism in a fan blade vibration detection device.

[0020] In the drawing: 1, detection table; 2, mounting seat; 3, fixed cylinder; 4, sliding cavity; 5, sliding plate; 6, support rod; 7, damper; 8, first spring; 9, mounting frame; 10, detection frame; 11, inner cavity; 12, moving plate; 13, moving rod; 14, contact plate; 15, second spring; 16, distance sensor; 17, hydraulic rod; 18, sealing cover. DETAILED DESCRIPTION

[0021] The technical scheme of the utility model will be further explained in detail in combination with the specific implementation.

[0022] Please refer to Figs. 1-3 A fan blade vibration detection device, comprising a detection table 1, further comprising;

[0023] The mounting seat 2 is used for mounting the fan;

[0024] The damping mechanism is arranged between the detection table 1 and the mounting seat 2, and is used for buffering and damping the fan;

[0025] The mounting frame 9 is mounted on one side of the mounting seat 2, and the detection frame 10 is mounted on the mounting frame 9;

[0026] The elastic contact mechanism is arranged in the detection frame 10, and is used for contacting the output shaft of the fan;

[0027] The sealing mechanism is arranged on the detection table 1, and is used for sealing the detection area.

[0028] By mounting the fan on the mounting seat 2 and connecting the fan blade with the output shaft of the fan, when the detection is performed, the vibration of the fan blade during rotation is transmitted to the output shaft of the fan, and the elastic contact mechanism is displaced, the vibration of the fan blade is detected by detecting the displacement of the elastic contact mechanism, and the vibration of the fan motor during operation is avoided by the damping mechanism, so that the accuracy of the fan blade vibration detection result is not affected, and the sealing detection of the fan blade is realized by the sealing mechanism, so that the detection result is not affected by the external environment.

[0029] In one case of the embodiment, the damping mechanism comprises a plurality of fixed cylinders 3 mounted on the detection table 1, a sliding cavity 4 is formed in the fixed cylinder 3, a sliding plate 5 is slidably arranged in the sliding cavity 4, the sliding plate 5 is fixedly connected with a support rod 6, the support rod 6 is fixedly connected with the mounting seat 2, a first spring 8 connected with the sliding plate 5 is arranged at the bottom of the sliding cavity 4, and a damper 7 connected with the sliding plate 5 is arranged at the bottom of the sliding cavity 4.

[0030] The motor of the fan also generates vibration during operation, and the vibration causes the mounting seat 2 to swing, so that the sliding plate 5 is pushed to slide in the sliding cavity 4 through the support rod 6, and the first spring 8 is compressed, the buffering is realized through the first spring 8, the buffering and damping are realized through the cooperation of the damper 7, and the vibration of the motor of the fan does not affect the accuracy of the fan blade vibration detection data.

[0031] In one case of the embodiment, the elastic contact mechanism comprises a plurality of annularly distributed inner cavities 11 formed in the detection frame 10, a moving plate 12 is slidably arranged in the inner cavity 11, the moving plate 12 is fixedly connected with a moving rod 13 towards the middle of the detection frame 10, a contact plate 14 is mounted at the end of the moving rod 13 away from the moving plate 12, the contact plate 14 is arc-shaped, so that it is attached to the surface of the output shaft of the fan, and a second spring 15 connected with the moving plate 12 is arranged in the inner cavity 11. A distance sensor 16 is arranged on the inner wall of the inner cavity 11.

[0032] In use, under the elastic force of the second spring 15, the moving plate 12 is subjected to an elastic pushing force to the middle part of the detection frame 10, so that the contact plate 14 on the moving rod 13 is attached to the surface of the fan output shaft, and in the process of driving the fan blade to rotate by rotating the fan output shaft, the vibration of the fan blade will cause the output shaft to vibrate, at this time, the output shaft will push the contact plate 14, so that the position of the moving rod 13 changes, thereby changing the position of the moving plate 12 in the inner cavity 11, and the vibration data of the fan blade can be obtained by detecting the distance between the distance sensor 16 and the moving plate 12.

[0033] In one case of the embodiment, the sealing mechanism comprises hydraulic rods 17 mounted on both sides of the detection table 1, and the hydraulic rods 17 are fixedly connected with the bottom-opened sealing cover 18.

[0034] In the process of detecting the vibration of the fan blade, the hydraulic rods 17 are started by the external controller, so that the hydraulic rods 17 on both sides are started synchronously, the sealing cover 18 is driven to descend, and the bottom of the sealing cover 18 is attached to the surface of the detection table 1, so that the detection area is sealed to avoid the influence of the external environment on the detection result.

[0035] The utility model discloses a fan is installed on the mounting seat 2, and the fan blade is connected with the output shaft of the fan, in the detection, the vibration in the process of fan blade rotation is transmitted to the output shaft of the fan, and makes the elastic contact mechanism displace, and the vibration of the fan blade is detected by detecting the displacement of the elastic contact mechanism, and the accuracy of the fan blade vibration detection result can be avoided by the vibration reduction mechanism in the working process of the fan motor itself, and the closed detection of the fan blade can be realized by the sealing mechanism, and the detection result is influenced by the external environment.

[0036] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0037] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A fan blade vibration detection apparatus comprising a detection table, characterized by, Also include; Mounting seat for mounting the fan; Damping mechanism, the damping mechanism is arranged between the detection table and the mounting seat, for buffering and damping the fan; Mounting frame mounted on one side of the mounting seat, the mounting frame is mounted with a detection frame; Elastic contact mechanism, the elastic contact mechanism is arranged in the detection frame, for contacting with the output shaft of the fan; Sealing mechanism, the sealing mechanism is arranged on the detection table, for sealing the detection area.

2. The vibration detection device for fan blade according to claim 1, wherein The damping mechanism comprises a plurality of fixed cylinders mounted on the detection table, a sliding cavity is formed in the fixed cylinder, a sliding plate is slidably arranged in the sliding cavity, the sliding plate is fixedly connected with a support rod, the support rod is fixedly connected with the mounting seat, a first spring connected with the sliding plate is arranged at the bottom of the sliding cavity, and a damper connected with the sliding plate is arranged at the bottom of the sliding cavity.

3. The vibration detection device for fan blade according to claim 1, wherein The elastic contact mechanism comprises a plurality of annularly distributed inner cavities formed in the detection frame, a moving plate is slidably arranged in the inner cavity, the moving plate is fixedly connected with a moving rod towards the middle of the detection frame, a contact plate is mounted on the end of the moving rod away from the moving plate, and a second spring connected with the moving plate is arranged in the inner cavity.

4. The vibration detection device for fan blade of claim 3, wherein The inner wall of the inner cavity is provided with a distance sensor.

5. The vibration detection device for fan blade of claim 1, wherein The sealing mechanism comprises hydraulic rods mounted on both sides of the detection table, and the hydraulic rods are fixedly connected with open-bottom sealing covers.

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