CN217206734U

CN217206734U - Fan blade vibration detection device

Info

Publication number: CN217206734U
Application number: CN202220160545.9U
Authority: CN
Inventors: 吕炳燕; 杜广帅
Original assignee: Huaneng Henan Clean Energy Co ltd
Current assignee: Huaneng Henan Clean Energy Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-08-16
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a fan blade vibration detection device relates to blade vibration and detects technical field, and stability is relatively poor and cause the problem of blade damage easily when solving current blade vibration detection device fixed blade. The device base is characterized in that a bearing connecting plate is arranged at the upper end of the device base, a transverse sliding rail is arranged inside the bearing connecting plate, hydraulic telescopic rods are arranged on two sides of the outer portion of the transverse sliding rail, a second clamping block is arranged at the upper end of each hydraulic telescopic rod, a first clamping block is arranged on one side of the outer portion of the second clamping block, a plurality of protruding blocks and a plurality of reset springs are uniformly distributed in the outer portions of the first clamping block and the second clamping block in the longitudinal direction, a fixing outer wall is arranged on one side of the rear end of the device base and fixedly connected with the device base, and first outer walls are arranged on two sides of the outer portion of the device base.

Description

Fan blade vibration detection device

Technical Field

The utility model relates to a blade vibration detects technical field, specifically is a fan blade vibration detection device.

Background

With the progress of science and technology, the manufactured and produced equipment is various, the fan is one of the multiple equipment, the blade in the fan is the most important element, the quality of the blade is particularly important, the vibration detection of the blade is the same in the index for detecting the quality of the blade, the vibration frequency generated in the rotating process of the blade is detected, and a blade vibration detection device is designed aiming at the detection of the vibration frequency.

However, the existing blade vibration detection device needs to fix the blades in the practical process, the blades with different shapes can be damaged by clamping one taste, meanwhile, the stability of the blades in the fixing process is poor due to the fact that the shapes of the blades are not fixed for a while, the blades are easy to fall off in the detection process, and therefore the existing requirements are not met, and the fan blade vibration detection device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fan blade vibration detection device to the problem that stability is relatively poor and cause the blade to damage easily when solving the fixed blade of the blade vibration detection device that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fan blade vibration detection device comprises a device base, wherein the upper end of the device base is provided with a bearing connecting plate, a transverse sliding rail is arranged inside the bearing connecting plate, two sides of the outer part of the transverse sliding rail are respectively provided with a hydraulic telescopic rod, one end of the hydraulic telescopic rod is connected with the transverse sliding rail in a sliding way, the upper end of the hydraulic telescopic rod is provided with a second clamping block, the lower end of the second clamping block is fixedly connected with the other end of the hydraulic telescopic rod, one side of the outer part of the second clamping block is provided with a first clamping block, the first clamping block and the second clamping block are rotationally connected through a second rotating shaft, a plurality of convex blocks are longitudinally and uniformly distributed outside the first clamping block and the second clamping block, and the protruding block is connected with the first clamping block and the second clamping block in a sliding manner, and a plurality of reset springs are arranged between the protruding block and the first clamping block as well as between the protruding block and the second clamping block.

Preferably, one side of device base rear end is provided with fixed outer wall, and fixed outer wall and device base fixed connection, the outside both sides of device base all are provided with first outer wall, and rotate through the third axis of rotation between first outer wall and the device base and be connected, the outside front end of device base is provided with the second outer wall, and rotates through the fourth axis of rotation between second outer wall and the device base and be connected.

Preferably, one side of the fixed outer wall is provided with a sealing and adhering block, the sealing and adhering block is fixedly connected with the fixed outer wall, one side of the inner parts of the second outer wall and the first outer wall is provided with a sealing and adhering sheet, and the sealing and adhering sheet is fixedly connected with the second outer wall and the first outer wall.

Preferably, a vibration motor is arranged between the bearing connecting plate and the device base, a pair of first supporting rollers is arranged on each of two sides of the lower end of the bearing connecting plate, a second supporting roller is arranged between the first supporting rollers and fixedly connected with the first supporting rollers, a supporting frame is arranged between the first supporting rollers and the bearing connecting plate, one end of the supporting frame is rotatably connected with the first supporting rollers, and the other end of the supporting frame is fixedly connected with the bearing connecting plate.

Preferably, a pair of first grooves are formed in the two sides of the upper end inside the base of the device, a second groove is formed between the first grooves and connected with a second supporting roller clamping groove, and the first grooves are connected with the first supporting roller clamping grooves.

Preferably, one side of the outside of the first clamping block is provided with a connecting block, the connecting block is rotatably connected with the first clamping block through a first rotating shaft, the upper end of the first rotating shaft is provided with a transverse sliding rod, the outside of the transverse sliding rod is provided with a shaking detector, the shaking detector is slidably connected with the transverse sliding rod, the two sides of the outside of the transverse sliding rod are provided with threaded transmission rods, and the threaded transmission rods are in threaded fit with the transverse sliding rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a be provided with the second grip block in one side of hydraulic telescoping rod upper end, one side of second grip block outside is provided with first grip block, one side of first grip block outside is provided with the connecting block, when the centre gripping blade, the centre gripping of first grip block and second grip block drives two protrusion pieces and carries out the centre gripping to the blade, through reset spring's shrink and the different appearance of the blade of the different positions of adaptation during the centre gripping, prevent when improving the centre gripping stability that the centre gripping from causing the blade to damage, and improve holistic suitability.

2. The utility model discloses an all be provided with first outer wall in the outside both sides of device base, the outside front end of device base all is provided with the second outer wall, second outer wall and the inside one side of first outer wall all are provided with sealed laminating piece, the inside one side of fixed outer wall is provided with sealed laminating piece, the shake can cause the noise, the rotation of first outer wall and second outer wall is wrapped up fixed blade by the fixed outer wall of cooperation, can avoid shaking produced noise and leak outward, it is relatively poor to avoid the noise to cause the operational environment of device.

3. The utility model discloses a both sides bearing the weight of the connecting plate lower extreme all are provided with a pair of first supporting roller, the outside of first supporting roller is provided with first recess, be provided with second supporting roller between two first supporting roller, the outside of second supporting roller is provided with the second recess, when vibrating motor shake causes bearing the weight of the connecting plate and transversely comes and goes to remove, rotate in first recess outside when being supported by first supporting roller, reduce the friction between bearing the connecting plate and the device base, the shake of avoiding vibrating motor to produce offsets because of the friction.

Drawings

FIG. 1 is a front view of the overall internal structure of the present invention;

FIG. 2 is a front view of the connection structure of the second clamping block and the first clamping block of the present invention;

fig. 3 is a schematic view of the transmission structure of the first supporting roller and the second supporting roller of the present invention;

fig. 4 is a partially enlarged view of the area a in fig. 1 according to the present invention.

In the figure: 1. a device base; 2. a bearing connecting plate; 3. a first support roller; 4. a first groove; 5. a support frame; 6. a second support roller; 7. a second groove; 8. a vibration motor; 9. a transverse sliding rail; 10. a hydraulic telescopic rod; 11. a first clamping block; 12. a first rotating shaft; 13. connecting blocks; 14. a second rotating shaft; 15. a second clamping block; 16. a protruding block; 17. a return spring; 18. a transverse slide bar; 19. a jitter detector; 20. a threaded drive link; 21. a first outer wall; 22. a second outer wall; 23. a third rotating shaft; 24. a fourth rotating shaft; 25. sealing the adhesive sheet; 26. sealing the fitting block; 27. the outer wall is fixed.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: a fan blade vibration detection device comprises a device base 1, a bearing connecting plate 2 is arranged at the upper end of the device base 1, a transverse sliding rail 9 is arranged inside the bearing connecting plate 2, hydraulic telescopic rods 10 are arranged on two sides of the outer part of the transverse sliding rail 9, one end of the hydraulic telescopic rod 10 is connected with the transverse sliding rail 9 in a sliding way, the upper end of the hydraulic telescopic rod 10 is provided with a second clamping block 15, the lower end of the second clamping block 15 is fixedly connected with the other end of the hydraulic telescopic rod 10, one side of the outer part of the second clamping block 15 is provided with a first clamping block 11, the first clamping block 11 is rotatably connected with the second clamping block 15 through a second rotating shaft 14, a plurality of convex blocks 16 are longitudinally and uniformly distributed outside the first clamping block 11 and the second clamping block 15, and the convex block 16 is connected with the first clamping block 11 and the second clamping block 15 in a sliding manner, and a return spring 17 is arranged between the convex blocks 16 and the first clamping block 11 as well as between the convex blocks and the second clamping block 15.

Further, one side of device base 1 rear end is provided with fixed outer wall 27, and fixed outer wall 27 and device base 1 fixed connection, the outside both sides of device base 1 all are provided with first outer wall 21, and rotate through third axis of rotation 23 between first outer wall 21 and the device base 1 and be connected, the outside front end of device base 1 is provided with second outer wall 22, and rotate through fourth axis of rotation 24 between second outer wall 22 and the device base 1 and be connected, rotate through third axis of rotation 23 and fourth axis of rotation 24 respectively through first outer wall 21 and second outer wall 22 and accomplish the parcel to fixed blade.

Further, one side of fixed outer wall 27 is provided with sealed laminating piece 26, and sealed laminating piece 26 and fixed outer wall 27 fixed connection, and the inside one side of second outer wall 22 and first outer wall 21 is provided with sealed laminating piece 25, and sealed laminating piece 25 and the equal fixed connection of second outer wall 22 and first outer wall 21, the completion is to the jam in gap through the laminating of sealed laminating piece 26 and sealed laminating piece 25.

Further, be provided with vibrating motor 8 between bearing connecting plate 2 and the device base 1, the both sides of bearing connecting plate 2 lower extreme all are provided with a pair of first supporting roller 3, be provided with second supporting roller 6 between two first supporting roller 3, and second supporting roller 6 and first supporting roller 3 fixed connection, be provided with support frame 5 between first supporting roller 3 and the bearing connecting plate 2, and the one end of support frame 5 rotates with first supporting roller 3 to be connected, the other end of support frame 5 and bearing connecting plate 2 fixed connection, accessible first supporting roller 3 contacts with second outer wall 22 and accomplishes the support to bearing connecting plate 2 through support frame 5.

Further, a pair of first grooves 4 are formed in the two sides of the upper end inside the base 1, a second groove 7 is formed between the two first grooves 4, the second groove 7 is connected with a clamping groove of a second supporting roller 6, the first grooves 4 are connected with a clamping groove of a first supporting roller 3, and the first supporting roller 3 and the second supporting roller 6 are limited through the clamping groove.

Further, a connecting block 13 is arranged on one side of the outside of the first clamping block 11, the connecting block 13 is rotatably connected with the first clamping block 11 through a first rotating shaft 12, a transverse sliding rod 18 is arranged at the upper end of the first rotating shaft 12, a shaking detector 19 is arranged outside the transverse sliding rod 18, the shaking detector 19 is slidably connected with the transverse sliding rod 18, threaded transmission rods 20 are arranged on two sides of the outside of the transverse sliding rod 18, the threaded transmission rods 20 are in threaded fit with the transverse sliding rod 18, and the connecting block 13 rotates around the first rotating shaft 12 and is clamped outside the second clamping block 15.

The working principle is as follows: when in use, in order to improve the whole adaptability of the device and prevent the clamping from causing the damage of the blade, when in clamping, the first clamping block 11 rotates by taking the second rotating shaft 14 as a circle center and drives the two convex blocks 16 to clamp the blade, when in clamping, the elastic resilience of the return spring 17 contracts, the blades with different positions and sizes are adapted, the contraction of the return spring 17 avoids the damage of the blade caused by clamping, in order to prevent the noise generated when the device is detected from causing poor working environment, after the blade is installed, the two first outer walls 21 rotate by taking the third rotating shaft 23 as the circle center, the second outer wall 22 rotates by taking the fourth rotating shaft 24 as the circle center, the blade is wrapped by the outer wall 27 which is matched and fixed by the second outer wall 22 and the first outer wall 21, the gap is sealed and blocked by the sealing and laminating sheet 25 and the sealing and laminating block 26, the noise leakage is avoided, in order to prevent the friction between the bearing connecting plate 2 and the device base 1 from offsetting the shake generated by the vibrating motor 8, the vibration motor 8 shakes to drive the fixed blades to transversely move back and forth so as to simulate shaking when the blades rotate, the first supporting roller 3 can rotate outside the first groove 4 during shaking, and the second supporting roller 6 rotates outside the second groove 7.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fan blade vibration detection device, includes device base (1), its characterized in that: the device is characterized in that a bearing connecting plate (2) is arranged at the upper end of a base (1), a transverse sliding rail (9) is arranged inside the bearing connecting plate (2), hydraulic telescopic rods (10) are arranged on two sides of the outer portion of each transverse sliding rail (9), one end of each hydraulic telescopic rod (10) is connected with the corresponding transverse sliding rail (9) in a sliding mode, a second clamping block (15) is arranged at the upper end of each hydraulic telescopic rod (10), the lower end of each second clamping block (15) is fixedly connected with the other end of each hydraulic telescopic rod (10), a first clamping block (11) is arranged on one side of the outer portion of each second clamping block (15), each first clamping block (11) is rotatably connected with each second clamping block (15) through a second rotating shaft (14), and a plurality of protruding blocks (16) are longitudinally and uniformly distributed on the outer portions of the first clamping blocks (11) and the second clamping blocks (15), and the protruding block (16) is connected with the first clamping block (11) and the second clamping block (15) in a sliding manner, and a plurality of reset springs (17) are arranged between the protruding block (16) and the first clamping block (11) as well as between the protruding block and the second clamping block (15).

2. A fan blade vibration detection apparatus as claimed in claim 1, wherein: one side of device base (1) rear end is provided with fixed outer wall (27), and fixed outer wall (27) and device base (1) fixed connection, the outside both sides of device base (1) all are provided with first outer wall (21), and rotate through third axis of rotation (23) between first outer wall (21) and the device base (1) and be connected, the outside front end of device base (1) is provided with second outer wall (22), and rotates through fourth axis of rotation (24) between second outer wall (22) and the device base (1) and be connected.

3. A fan blade vibration detection apparatus according to claim 2, wherein: one side of fixed outer wall (27) is provided with sealed laminating piece (26), and sealed laminating piece (26) and fixed outer wall (27) fixed connection, the inside one side of second outer wall (22) and first outer wall (21) is provided with sealed laminating piece (25), and sealed laminating piece (25) and the equal fixed connection of second outer wall (22) and first outer wall (21).

4. A fan blade vibration detection apparatus as claimed in claim 1, wherein: the device is characterized in that a vibration motor (8) is arranged between the bearing connecting plate (2) and the device base (1), a pair of first supporting rollers (3) is arranged on two sides of the lower end of the bearing connecting plate (2), a second supporting roller (6) is arranged between the first supporting rollers (3), and the second supporting rollers (6) are fixedly connected with the first supporting rollers (3).

5. A fan blade vibration detection apparatus as claimed in claim 4, wherein: the device is characterized in that a pair of first grooves (4) are formed in the two sides of the upper end inside the base (1), a second groove (7) is formed between the first grooves (4), the second groove (7) is connected with a clamping groove of a second supporting roller (6), and the first grooves (4) are connected with a clamping groove of a first supporting roller (3).

6. A fan blade vibration detection apparatus as claimed in claim 1, wherein: one side of the outside of the first clamping block (11) is provided with a connecting block (13), and the connecting block (13) is rotatably connected with the first clamping block (11) through a first rotating shaft (12).