CN218066949U

CN218066949U - Fan blade vibration test tool clamp

Info

Publication number: CN218066949U
Application number: CN202222083479.2U
Authority: CN
Inventors: 沈彦; 王坤鹏; 章海岳; 田晓明
Original assignee: Suzhou Dfl Air Control Technology Co ltd
Current assignee: Suzhou Dfl Air Control Technology Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-12-16
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a fan blade vibration test frock clamp, which comprises a housin, be equipped with support piece in the casing, support piece is used for placing the blade, vibrating motor is installed to support piece's bottom, support piece's upper end fixedly connected with carries out the holder of fixing to the blade, two guides that the preceding lateral wall of casing set up through the symmetry are connected with the closing door, the closing door avoids the blade from the casing departure, support piece includes the backup pad through a plurality of first spring coupling in the casing, vibrating motor installs the bottom in the backup pad. The utility model has the advantages of reasonable design, not only can stabilize the centre gripping to fan flabellum, the going on of the vibration test of being convenient for to can play the cushioning effect to the grip block, avoid the great blade fracture phenomenon that makes of its centre gripping dynamics, and can be convenient for the closing door to open and close, avoid among the test process blade departure to cause the potential safety hazard.

Description

Fan blade vibration test tool clamp

Technical Field

The utility model relates to a fan blade test technical field especially relates to a fan blade vibration test frock clamp.

Background

The vibration test refers to a test of a vibrating object or a model for evaluating the vibration resistance of a product in an expected use environment, and the vibration characteristic and the fatigue performance of the blade of the fan blade are especially important to research due to the existence of factors such as heavy mass, long blade body, the most front end of the rotor arrangement and the like of the fan blade, so that the vibration problem of the blade can be predicted.

At present, when a fan blade is subjected to vibration test work, a tooling fixture is generally required to be used for fixing the fan blade, when the fan blade is fixed by the conventional fixture, the phenomenon that the fan blade is broken and damaged due to high clamping force is easy to occur, and the phenomenon that the fan blade falls off and is thrown out from the fixture is easy to occur when the fan blade is subjected to vibration test, so that the mounting hidden danger exists, and the problem is solved by designing the tooling fixture for the vibration test of the fan blade.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that exists among the prior art, and the fan blade vibration test frock clamp that proposes, it not only can stabilize the centre gripping to fan blade, the going on of the vibration test of being convenient for to can play the cushioning effect to the grip block, avoid the great messenger blade breaking phenomenon of its centre gripping dynamics, and can be convenient for the closing door to open and close, avoid the blade departure to cause the potential safety hazard in the process of the test.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a fan blade vibration test frock clamp, includes the casing, be equipped with support piece in the casing, support piece is used for placing the blade, vibrating motor is installed to support piece's bottom, support piece's upper end fixedly connected with carries out the holder fixed to the blade, the preceding lateral wall of casing is connected with the closing door through two guides that the symmetry set up, the closing door avoids the blade to fly out in the casing.

Preferably, support piece includes the backup pad of connecting in the casing through a plurality of first springs, vibrating motor installs the bottom at the backup pad, two enclosers of the bottom symmetry fixedly connected with of backup pad, two first risers of the interior bottom fixedly connected with of casing, two the first riser extends to respectively in two enclosers.

Preferably, the holder includes the second riser of fixed connection in the backup pad upper end, vertical chute has been seted up to the lateral wall of second riser, sliding connection has the diaphragm relative with the backup pad in the vertical chute, the interior bottom of vertical chute is rotated and is connected with the threaded rod, the threaded rod runs through the diaphragm and rather than threaded connection, the threaded rod runs through the interior top of vertical chute and extends to its top, the mounting groove has been seted up to the bottom of diaphragm, sliding connection has the grip block in the mounting groove, be connected with a plurality of second springs between the interior top of grip block and mounting groove.

Preferably, the guide includes the connecting block of fixed connection on the lateral wall before the casing, the preceding lateral wall fixedly connected with lug of connecting block, the lateral wall fixedly connected with annular slab of closing door, the annular slab cover is established on the lug and rather than sliding connection, the bottom of connecting block is rotated and is connected with L type limiting plate.

Preferably, the guide sliding grooves are formed in the inner side walls of the two ends of the annular plate, and the side walls of the two ends of the protruding block are fixedly connected with guide sliding blocks which extend into the guide sliding grooves opposite to the protruding block and are in sliding connection with the protruding block.

Preferably, the bottom of the shell is fixedly connected with a rubber non-slip mat, and the front side wall of the closed door is fixedly connected with a pulling handle.

Compared with the prior art, the utility model, its beneficial effect does:

1. through the setting of support piece, holder, can stabilize the centre gripping to fan blade, the going on of the vibration test of being convenient for to can play the cushioning effect to the grip block, avoid its centre gripping dynamics great messenger's blade to take place fracture phenomenon.

2. Through the arrangement of the connecting block, the convex block, the guide sliding block, the annular plate, the guide sliding groove and the L-shaped limiting plate, the opening and closing of the closing door can be facilitated, and potential safety hazards caused by the flying-out of the blades in the test process are avoided.

To sum up, the utility model has the advantages of reasonable design, not only can stabilize the centre gripping to fan flabellum, the going on of the vibration test of being convenient for to can play the cushioning effect to the grip block, avoid the great messenger blade of its centre gripping dynamics phenomenon of splitting to can be convenient for the closing door to open and close, avoid among the test process blade departure to cause the potential safety hazard.

Drawings

Fig. 1 is a schematic structural view of a fan blade vibration test tooling fixture provided by the present invention;

FIG. 2 is a schematic view of the housing, closure door, and guide connection;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the connection block, the bump and the guiding slider.

In the figure: the device comprises a shell body 1, a first spring 2, a supporting plate 3, a housing 4, a first vertical plate 5, a vibrating motor 6, a second vertical plate 7, a vertical sliding groove 8, a transverse plate 9, a threaded rod 10, a second spring 11, a clamping plate 12, a closed door 13, a connecting block 14, a convex block 15, a guide sliding block 16, a ring plate 17, a guide sliding groove 18, a limiting plate 19L and a mounting groove 20.

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, a fan blade vibration test tooling fixture comprises a shell 1, wherein a support part is arranged in the shell 1 and used for placing a blade, a vibration motor 6 is arranged at the bottom of the support part and comprises a support plate 3 connected in the shell 1 through a plurality of first springs 2, and the vibration motor 6 is arranged at the bottom of the support plate 3, wherein the first springs 2 can be used for connecting the support plate 3 with the inner bottom of the shell 1, so that the support plate 3 can vibrate when the vibration motor 6 works and further can perform vibration tests on the fan blade, the bottom of the support plate 3 is symmetrically and fixedly connected with two shells 4, the inner bottom of the shell 1 is fixedly connected with two first vertical plates 5, and the two first vertical plates 5 respectively extend into the two shells 4, wherein a gap is formed between the first vertical plates 5 and the shells 4, so that the support plate 3 can vibrate and can avoid the phenomenon that the support plate 3 topples over due to overlarge vibration amplitude, and sponge cushion pads are fixedly connected to the inner side walls of the shells 4, and can reduce noise generated when the first vertical plates 5 impact the inner side walls of the shells 4;

the blade clamping device comprises a supporting piece, a clamping piece and a blade clamping piece, wherein the upper end of the supporting piece is fixedly connected with a clamping piece for fixing a blade, the clamping piece comprises a second vertical plate 7 fixedly connected to the upper end of a supporting plate 3, a vertical sliding groove 8 is formed in the side wall of the second vertical plate 7, a transverse plate 9 opposite to the supporting plate 3 is connected in the vertical sliding groove 8 in a sliding mode, the transverse plate 9 is matched with the vertical sliding groove 8, so that the blade can only slide up and down in the vertical sliding groove 8, a threaded rod 10 is rotatably connected to the inner bottom of the vertical sliding groove 8, the threaded rod 10 penetrates through the transverse plate 9 and is in threaded connection with the transverse plate 9, the threaded rod 10 penetrates through the inner top of the vertical sliding groove 8 and extends to the upper side of the vertical sliding groove, a rotating handle is fixedly connected to the upper end of the threaded rod 10, a mounting groove 20 is formed in the bottom of the transverse plate 9, a clamping plate 12 is slidably connected in the mounting groove 20, a plurality of second springs 11 are connected between the clamping plate 12 and the inner top of the mounting groove 20, attention needs to be elastic springs 11, the clamping plate 12 can be pushed to slide down in a natural state, so as to clamp a fan blade, and the second spring 11 can play a buffering effect, and avoid the blade from being crushed phenomenon caused by the clamping force of the clamping plate 12;

the front side wall of the shell 1 is connected with a closing door 13 through two guide pieces which are symmetrically arranged, the bottom of the shell 1 is fixedly connected with a rubber anti-slip pad, wherein the rubber anti-slip pad can ensure the stability of the shell 1 in the working process, the noise generated by shaking the shell 1 in the working process of the vibration motor 6 can be reduced, the front side wall of the closing door 13 is fixedly connected with a pulling handle, the closing door 13 is made of transparent materials, the pulling handle can be conveniently arranged to open the closing door 13, the closing door 13 prevents blades from flying out of the shell 1, the guide pieces comprise connecting blocks 14 which are fixedly connected onto the front side wall of the shell 1, the front side wall of each connecting block 14 is fixedly connected with a lug 15, the side wall of the closing door 13 is fixedly connected with an annular plate 17, the annular plate 17 is sleeved on the lug 15 and is in sliding connection with the lug 15, the bottom of each connecting block 14 is rotatably connected with an L-shaped limiting plate 19, guide chutes 18 are respectively formed in the inner side walls at two ends of the annular plate 17, the side walls at two ends of the lug 15 are fixedly connected with guide sliders 16 which extend into the guide chutes 18 which are opposite to the annular plate and can slide on the annular plate 17, and can only enable the guide plate to slide on the vertical guide plate 17 and prevent the lug from falling off.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

in the utility model, when the fan blade needs to be subjected to vibration test, the handle is pulled upwards to move the closing door 13 upwards for opening, and when the lug 15 abuts against the inner bottom of the annular plate 17, the L-shaped limiting plate 19 is rotated to abut against the bottom of the annular plate 17, so that the L-shaped limiting plate can support the closing door 13 and the closing door can be opened;

the fan blade is placed on the supporting plate 3, the threaded rod 10 is rotated by rotating the rotating handle, the transverse plate 9 can slide downwards in the vertical chute 8 under the meshing action of the threaded rod, the clamping plate 12 and the supporting plate 3 gradually act together to clamp and fix the fan blade, and the second spring 11 can play a role in buffering, so that the phenomenon that the fan blade is broken due to large clamping force is avoided;

the L-shaped limiting plate 19 is rotated to be not abutted to the bottom of the annular plate 17 any more, the closing door 13 is moved downwards to plug the shell 1, safety accidents caused by flying-out of blades are avoided, the vibration motor 6 is started to carry out vibration tests on the closing door, and the closing door 13 is transparent, so that the test process can be observed conveniently.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a fan blade vibration test frock clamp, includes casing (1), its characterized in that, be equipped with support piece in casing (1), support piece is used for placing the blade, vibrating motor (6) are installed to support piece's bottom, support piece's upper end fixedly connected with carries out the holder of fixing to the blade, two guides that the preceding lateral wall of casing (1) set up through the symmetry are connected with closing door (13), closing door (13) avoid the blade to fly out from casing (1).

2. The fan blade vibration test tooling fixture according to claim 1, characterized in that the supporting part comprises a supporting plate (3) connected in the shell (1) through a plurality of first springs (2), the vibration motor (6) is installed at the bottom of the supporting plate (3), two housings (4) are symmetrically and fixedly connected to the bottom of the supporting plate (3), two first vertical plates (5) are fixedly connected to the inner bottom of the shell (1), and the two first vertical plates (5) respectively extend into the two housings (4).

3. The fan blade vibration test tooling fixture of claim 2, characterized in that the clamping member comprises a second vertical plate (7) fixedly connected to the upper end of the supporting plate (3), a vertical sliding groove (8) is formed in the side wall of the second vertical plate (7), a transverse plate (9) opposite to the supporting plate (3) is slidably connected to the vertical sliding groove (8), a threaded rod (10) is rotatably connected to the inner bottom of the vertical sliding groove (8), the threaded rod (10) penetrates through the transverse plate (9) and is in threaded connection with the transverse plate, the threaded rod (10) penetrates through the inner top of the vertical sliding groove (8) and extends to the upper side of the vertical sliding groove, a mounting groove (20) is formed in the bottom of the transverse plate (9), a clamping plate (12) is slidably connected to the mounting groove (20), and a plurality of second springs (11) are connected between the clamping plate (12) and the inner top of the mounting groove (20).

4. The fan blade vibration test tooling fixture according to claim 1, characterized in that the guide piece comprises a connecting block (14) fixedly connected to the front side wall of the housing (1), a protruding block (15) is fixedly connected to the front side wall of the connecting block (14), an annular plate (17) is fixedly connected to the side wall of the closing door (13), the annular plate (17) is sleeved on the protruding block (15) and is in sliding connection with the protruding block, and an L-shaped limiting plate (19) is rotatably connected to the bottom of the connecting block (14).

5. The fan blade vibration test tooling fixture according to claim 4, characterized in that guide sliding grooves (18) are formed in the inner side walls of the two ends of the annular plate (17), and guide sliding blocks (16) which extend into the guide sliding grooves (18) opposite to the guide sliding grooves and are connected with the guide sliding blocks in a sliding manner are fixedly connected to the side walls of the two ends of the protruding block (15).

6. The fan blade vibration test tooling fixture according to claim 1, characterized in that a rubber anti-slip pad is fixedly connected to the bottom of the shell (1), and a pulling handle is fixedly connected to the front side wall of the closing door (13).