CN213779485U

CN213779485U - Vibration meter for fan of electronic cabin of airplane

Info

Publication number: CN213779485U
Application number: CN202120137677.5U
Authority: CN
Inventors: 刘春英; 吴德华; 王志敏; 文一娜
Original assignee: Changsha Aeronautical Vocational and Technical College
Current assignee: Changsha Aeronautical Vocational and Technical College
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-07-23
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses an aircraft electron cabin fan vibration meter, including annular clamp, be provided with the several mount pad on the lateral wall of annular clamp, the inserting groove has been seted up on the inner chamber of mount pad along its depth direction, the vibrations probe is installed to the inner chamber of inserting groove, the first screw hole has been seted up to the inner chamber center department of vibrations probe, the second screw hole has been seted up to the inner chamber of annular clamp, the second screw hole is linked together with first screw hole, threaded connection has the threaded rod in second screw hole and the first screw hole, the threaded rod stretches out the one end at vibrations probe top and is connected with the turning handle, the utility model relates to a rational in infrastructure, the degree of depth that utilizes the threaded rod spiral to advance annular clamp changes the interval between the threaded rod pole head, can carry out spacing fixed and detect the fan axle of different specifications, has enlarged the application scope of device.

Description

Vibration meter for fan of electronic cabin of airplane

Technical Field

The utility model relates to a vibration meter technical field specifically is an aircraft electron cabin fan vibration meter.

Background

At present, the aircrafts have more centralized electronic equipment, the heat dissipation requirement on the electronic equipment is gradually increased, the ventilation system of the electronic equipment mainly comprises a control part, an air fan window, an air inlet, a valve and the like which are driven by computer technology and are used for a fan in the system, wherein the health of the electronic cabin fan affects the performance of the ventilation system, and if there are failures such as fan wear, abnormal events may be caused, which requires anti-vibration detection of the electronic cabin fan, and a vibration meter, which is a machine state monitoring instrument newly designed based on a microprocessor and has functions of vibration detection, bearing state analysis and infrared temperature measurement, the intelligent alarm device is simple to operate, can automatically indicate the state to alarm, is very suitable for field equipment operation and maintenance personnel to monitor the equipment state, finds problems in time and ensures normal and reliable operation of the equipment.

The utility model discloses an aircraft electron cabin fan vibration meter that current patent number is CN 210664758U, including wireless connection's collection portion and monitoring terminal, collection portion includes vibration sensor, data collection station and power, and the power is connected vibration sensor and data collection station respectively, and vibration sensor includes annular clamp and installs a plurality of vibration probes on annular clamp, and annular clamp installs on the fan shaft during the use, compare with prior art, the utility model has the advantages of effectively improving work efficiency, greatly improving detection accuracy, with low costs; however, the applicant believes that the aircraft electronic cabin fan vibration meter in the above application can only detect fan shafts of the same specification, and the detection range is small, and the applicability is insufficient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aircraft electron cabin fan vibration meter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an aircraft electron cabin fan vibration meter, includes annular clamp, be provided with the several mount pad on the lateral wall of annular clamp, the inserting groove has been seted up along its depth direction to the inner chamber of mount pad, the vibrations probe is installed to the inner chamber of inserting groove, first screw hole has been seted up to the inner chamber center department of vibrations probe, the second screw hole has been seted up to the inner chamber of annular clamp, and second screw hole and first screw hole are linked together, threaded connection has the threaded rod in second screw hole and the first screw hole, the one end that the threaded rod stretches out the vibrations probe top is connected with the rotation handle.

Preferably, the annular clamp includes clamp and lower clamp, it is articulated mutually through the hinge axis between last clamp and the lower clamp, it all sets up the lug, two to go up the clamp and keep away from the one end of hinge axis with lower clamp the lug is fixed mutually through fixing bolt between the lug, and the annular clamp that can be convenient for like this cup joints epaxially at the fan, the dismantlement of the annular clamp of also being convenient for simultaneously to it is more convenient to make the device deposit or carry.

Preferably, the connecting seat, two all welded in the left and right sides of mount pad the connecting seat all through screw and annular clamp looks rigid coupling, the installation and the dismantlement of the mount pad of being convenient for like this to a plurality of vibrations probes's installation has been convenient for, makes the more accurate of result that detects.

Preferably, the quantity of mount pad is three at least, and is adjacent contained angle between the mount pad is 120, and is three the nodical of the diagonal line of mount pad coincides with the centre of a circle of annular clamp mutually, the vertical axis of mount pad coincides mutually with the vertical axis of threaded rod, and triangle-shaped has stability, makes the threaded rod can be firm with the fan axle centre gripping of different specifications, has reduced the possibility of fan axle and annular clamp separation, and triangular distribution can increase the scope that the shock probe detected simultaneously to the accuracy of testing result has been improved.

Preferably, the limiting groove has been seted up along its depth direction in the mount pad inner chamber of the inserting groove left and right sides, the lateral wall both sides of vibrations probe all are provided with the stopper with limiting groove matched with, can enough reduce the rotation of vibrations probe like this, make the vibrations probe spacing fixed, also can play the guide effect simultaneously, have guaranteed that second screw hole and first screw hole can aim at the intercommunication to the installation of the threaded rod of being convenient for.

Preferably, the bottom of the inner cavity of the insertion groove is fixedly connected with an expansion spring, the expansion spring is sleeved with the threaded rod, and elastic deformation of the expansion spring is utilized, so that the vibration probe is conveniently popped up, and the difficulty in taking out the vibration probe is reduced.

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

the utility model discloses an aircraft electron cabin fan vibrometer passes through the threaded rod, but rotatable extending structure is constituteed with the vibrations probe to the mount pad, but utilize rotatable extending structure to adjust the interval between a plurality of threaded rods, the internal diameter size of interval between through the threaded rod changes the annular clamp, thereby can carry out spacing fixed to the fan axle of different specifications, utilize the vibrations probe to detect the fan axle, the setting of a plurality of vibrations probes has increased the scope that detects, thereby the accuracy of testing result has been improved, the lateral wall both sides stopper of vibrations probe simultaneously and the spacing groove cooperation installation on the mount pad, can enough reduce the rotation of vibrations probe like this, it is spacing fixed to make the vibrations probe, also can play the guide effect, guaranteed that second screw hole and first screw hole can aim at the intercommunication, thereby the installation of the threaded rod of being convenient for.

Drawings

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

FIG. 2 is an enlarged schematic view of the mounting base of the present invention;

FIG. 3 is a side view of the connection between the mounting base and the vibration probe of the present invention;

in the figure, 1, an annular clamp; 2. a mounting seat; 3. vibrating the probe; 4. a first threaded hole; 5. a threaded rod; 6. rotating the handle; 7. a limiting block; 8. a limiting groove; 9. a second threaded hole; 10. a tension spring; 11. a connecting seat; 12. a screw; 13. an upper hoop; 14. a lower hoop; 15. a bump; 16. fixing the bolt; 17. a fan shaft; 18. and (4) inserting grooves.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention is provided.

The embodiment of the utility model provides an aircraft electron cabin fan vibration meter, including annular clamp 1, be provided with several mount pad 2 on annular clamp 1's the lateral wall, inserting groove 18 has been seted up along its depth direction to the inner chamber of mount pad 2, vibration probe 3 is installed to inserting groove 18's inner chamber, first screw hole 4 has been seted up to vibration probe 3's inner chamber center department, second screw hole 9 has been seted up to annular clamp 1's inner chamber, and second screw hole 9 is linked together with first screw hole 4, threaded connection has threaded rod 5 in second screw hole 9 and the first screw hole 4, threaded rod 5 stretches out the one end at 3 tops of vibration probe and is connected with rotation handle 6.

Ring type clamp 1 includes clamp 13 and lower clamp 14 in this embodiment, goes up and is articulated mutually through the hinge axis between clamp 13 and the lower clamp 14, goes up clamp 13 and the one end that the hinge axis was kept away from to clamp 14 down and all sets up lug 15, fixes mutually through fixing bolt 16 between two lugs 15, and the annular clamp 1 of being convenient for like this cup joints on fan shaft 17, the dismantlement of the annular clamp 1 of also being convenient for simultaneously to it is more convenient to make the device deposit or carry.

Connecting seats 11 are welded on the left side and the right side of the mounting seat 2 in the embodiment, the two connecting seats 11 are fixedly connected with the annular clamp 1 through screws 12, and therefore the mounting seat 2 is convenient to mount and dismount, a plurality of vibration probes 3 are convenient to mount, and the detection result is accurate.

The quantity of mount pad 2 is three at least in this embodiment, contained angle between the adjacent mount pad 2 is 120, the nodical and the centre of a circle of annular clamp 1 of the diagonal line of three mount pad 2 coincide mutually, the vertical axis of mount pad 2 coincides mutually with the vertical axis of threaded rod 5, triangle-shaped has stability, make threaded rod 5 can be firm with the 17 centre gripping of fan axle of different specifications, the possibility of fan axle 17 and the separation of annular clamp 1 has been reduced, triangular distribution can increase the scope that shock probe 3 detected simultaneously, thereby the accuracy of testing result has been improved.

The spacing groove 8 has been seted up along its depth direction in the 2 inner chambers of mount pad of the plug groove 18 left and right sides in this embodiment, and the lateral wall both sides of vibrations probe 3 all are provided with stopper 7 with spacing groove 8 matched with, can enough reduce the rotation of vibrations probe 3 like this, make the spacing fixed of vibrations probe 3, also can play the guide effect simultaneously, guaranteed that second screw hole 9 can aim at the intercommunication with first screw hole 4 to the threaded rod 5's of being convenient for installation.

The bottom of the inner cavity of the plug-in groove 18 is fixedly connected with an expansion spring 10, the expansion spring 10 is sleeved with the threaded rod 5, and elastic deformation of the expansion spring 10 is utilized, so that the vibration probe 3 is conveniently popped up, and the difficulty in taking out the vibration probe 3 is reduced.

The working principle is as follows: installing the annular clamp 1, respectively sleeving the upper clamp 13 and the lower clamp 14 on the periphery of a fan shaft 17, fixing two convex blocks 15 by using a fixing bolt 16, thereby fixing two ends of the annular clamp 1, adjusting a threaded rod 5 according to the size of the fan shaft 17 to be measured, inserting the vibration probe 3 into an inserting groove 18, and installing a limiting block 7 on the vibration probe 3 and a limiting groove 8 on the installation seat 2 in a matching way, so that the rotation of the vibration probe 3 can be reduced, the vibration probe 3 is limited and fixed, and simultaneously, a guiding function can be achieved, the second threaded hole 9 and the first threaded hole 4 can be aligned and communicated, thereby facilitating the installation of the threaded rod 5, manually rotating the rotating handle 6, pressing the vibration probe 3 by using the other hand until the rotating handle 6 drives the threaded rod 5 to rotate into the second threaded hole 9, adjusting a plurality of threaded rods 5 at the moment, and enabling the descending distance of each threaded rod 5 to be the same, thereby can fix the fan shaft 17 of different specifications, utilize a plurality of shock probe 3 to enlarge the scope of detection to improved the accuracy of testing result, after the detection, counter-rotation threaded rod 5 makes threaded rod 5 and shock probe 3 break away from completely, and the shock probe 3 after breaking away from will shock probe 3 and pop out one section distance from inserting groove 18 under the deformation reaction effect of expanding spring 10, thereby be convenient for the installation and the dismantlement of shock probe 3.

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 an aircraft electronics cabin fan vibrometer, includes annular clamp (1), its characterized in that: be provided with several mount pad (2) on the lateral wall of annular clamp (1), inserting groove (18) have been seted up along its depth direction to the inner chamber of mount pad (2), vibration probe (3) are installed to the inner chamber of inserting groove (18), first screw hole (4) have been seted up at the inner chamber center department of vibration probe (3), second screw hole (9) have been seted up to the inner chamber of annular clamp (1), and second screw hole (9) are linked together with first screw hole (4), threaded connection has threaded rod (5) in second screw hole (9) and first screw hole (4), threaded rod (5) stretch out the one end at vibration probe (3) top and be connected with rotation handle (6).

2. An aircraft electronic pod fan vibrometer according to claim 1, wherein: annular clamp (1) includes clamp (13) and lower clamp (14), it is articulated through the hinge axis between clamp (13) and lower clamp (14) to go up clamp (13), it all sets up lug (15) with the one end that the articulated shaft was kept away from down clamp (14) to go up clamp (13), two fix mutually through fixing bolt (16) between lug (15).

3. An aircraft electronic pod fan vibrometer according to claim 1, wherein: the left and right sides of mount pad (2) all welds connecting seat (11), two connecting seat (11) all pass through screw (12) and annular clamp (1) looks rigid coupling.

4. An aircraft electronic pod fan vibrometer according to claim 1, wherein: the quantity of mount pad (2) is three at least, and is adjacent contained angle between mount pad (2) is 120, three the nodical and the centre of a circle of annular clamp (1) of the diagonal line of mount pad (2) coincide mutually, the vertical axis of mount pad (2) coincides mutually with the vertical axis of threaded rod (5).

5. An aircraft electronic pod fan vibrometer according to claim 1, wherein: limiting grooves (8) are formed in the inner cavities of the mounting seats (2) on the left side and the right side of the insertion groove (18) along the depth direction of the inner cavities, and limiting blocks (7) matched with the limiting grooves (8) are arranged on the two sides of the outer side wall of the vibration probe (3).

6. An aircraft electronic pod fan vibrometer according to claim 1, wherein: the bottom of the inner cavity of the insertion groove (18) is fixedly connected with an expansion spring (10), and the expansion spring (10) is sleeved with the threaded rod (5).