CN212106141U

CN212106141U - Sound signal acquisition device applied to fan blade fault diagnosis

Info

Publication number: CN212106141U
Application number: CN202020961258.9U
Authority: CN
Inventors: 李剑; 徐超林; 王禹晴; 邢玉东
Original assignee: Tianjin Jinn Wind Power Co ltd
Current assignee: Tianjin Jinn Wind Power Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-12-08
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a be applied to fan blade fault diagnosis's sound signal collection system, including gathering appearance, slider and bolt, gather instrument surface fixed mounting and have the display, display one side is provided with the control key, and wherein, it has the slider to gather appearance both sides fixed mounting, and slider outer wall swing joint has the spout. This be applied to fan blade fault diagnosis's sound signal collection system, be connected with the protecting crust through slider and spout, thereby make the protecting crust form the protection at the collection instrument surface, the collection appearance just can receive the protection of protecting crust like this, it is impaired to prevent to gather the appearance landing, make bolt one end and socket disconnect from the connection, gather like this the appearance will and break away from fixed connection between the protecting crust, thereby the change method that makes the protecting crust becomes very simple, the collection appearance just can be through first spring, the elastic action between protecting crust and the clamp splice is fixed on the object surface, thereby be convenient for fix the collection appearance.

Description

Sound signal acquisition device applied to fan blade fault diagnosis

Technical Field

The utility model relates to a stir signal pickup assembly technical field, specifically be a sound signal pickup assembly who is applied to fan blade fault diagnosis.

Background

The method for predicting the fan blade fault comprises the steps of reflecting the integral operation mode of a fan by a three-dimensional vector decomposition, conversion and extraction technology, designing a digital signal processing technology monitoring system, and carrying out time domain and frequency domain analysis on a low-frequency or ultra-low-frequency signal with an amplitude exceeding limit to realize the advance prediction of the mechanical fault of the fan blade.

Fan blade can produce the decibel of certain numerical value at the in-process of work, and this sound can make fan blade produce certain vibrations, at this moment with can power relevant fan vibration sound detection appearance to detect equipment to judge equipment health, however, present detecting instrument lacks relative safeguard measure, and when using like this, after the collection appearance landing, the display that slides and lead to the collection appearance is impaired, thereby influences normal use.

This improved generation equipment is connected with the protecting crust through piece and spout to make the protecting crust form the protection at the collection instrument surface, gather the protection that the appearance just can receive the protecting crust like this, in order to prevent to gather the appearance landing impaired.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to fan blade fault diagnosis's sound signal collection system, can produce the decibel of certain numerical value at the in-process of work with the fan blade that solves above-mentioned background art and provide, this sound can make fan blade produce certain vibrations, at this moment alright with the relevant fan of power vibrations sound detector detects equipment, thereby judge equipment health, however, present detecting instrument lacks relative safeguard measure, when using like this, the display that leads to gathering the appearance when gathering the appearance landing postslide is impaired, thereby influence the problem of normal use.

In order to achieve the above object, the utility model provides a following technical scheme: a sound signal acquisition device applied to fan blade fault diagnosis comprises an acquisition instrument, sliders and a bolt, wherein a display is fixedly mounted on the surface of the acquisition instrument, and a control key is arranged on one side of the display; first spring one side is provided with the clamp splice, and clamp splice both ends fixed mounting has the connecting block, and connecting block one side swing joint has the mount pad, and the protecting crust lateral wall runs through to install the bolt, and bolt one end swing joint has the socket, establishes on one side of the socket to be provided with the stopper, stopper second spring, and second spring outer wall is connected with the spring groove.

Preferably, the protecting crust is "U" shape structure, and the same horizontal plane of protecting crust both sides inner wall is provided with two and falls "T" shape spouts, and spout inner wall size and slider size phase-match, and the protecting crust passes through the spout and the slider is sliding construction between with gathering the appearance.

Preferably, the connecting columns are arranged in two numbers, the two connecting columns are parallel to each other, the two ends of the connecting rod are vertically connected with the inner walls of the two connecting columns, and the connecting rod is parallel to the bottom of the protective shell.

Preferably, the mounting seats are provided with two, the two mounting seats are symmetrical with each other about a longitudinal middle parting line of the clamping block, one side of each mounting seat is connected with a connecting block, the clamping block is vertically connected between the two connecting blocks, the clamping block and the first spring are parallel to each other, and the extending ends of the two ends of the first spring are respectively connected with the bottom of the sliding block and the surface of the clamping block.

Preferably, the two sides of the same horizontal plane at the bottom of the acquisition instrument are respectively provided with a socket, the size of the inner wall of the socket is tangent to the outer wall of the bolt, and the bolt horizontally penetrates through the outer wall of the protective shell and corresponds to a clamping structure between the sockets.

Preferably, the second spring is provided with two, the vertical length between the largest vertical direction of the second spring and the largest vertical inner wall of the spring groove is the same, and the bolt, the limiting block and the second spring are of elastic telescopic structures.

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

1. this be applied to fan blade fault diagnosis's sound signal collection system's collection appearance both sides are provided with the slider respectively, are connected slider and spout, make collection appearance be connected with the protecting crust through slider and spout to make the protecting crust form the protection at collection instrument surface, gather the protection that the appearance just can receive the protecting crust like this, in order to prevent to gather the appearance landing impaired.

2. The protection shell of the sound signal acquisition device applied to fan blade fault diagnosis is provided with the bolts on two sides, the bolts are pulled outwards, one ends of the bolts are disconnected from the socket, the acquisition instrument is fixedly connected with the protection shell, and therefore the protection shell is replaced very simply.

3. This be applied to sound signal collection system of fan blade fault diagnosis's protective housing bottom installs first spring, and first spring both sides extend the end and link to each other with protective housing bottom and clamp splice surface respectively, press the clamp splice downwards, make the perk that makes progress of clamp splice one end, make and produce the clearance between clamp splice and the protective housing, at this moment with the clearance card between clamp splice and the protective housing on the fixture, the collection appearance just can be through first spring, the elastic action between protective housing and the clamp splice is fixed on the object surface, thereby be convenient for fix the collection appearance.

Drawings

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

FIG. 2 is a schematic view of the cross-sectional structure of the acquisition instrument of the present invention;

fig. 3 is a schematic view of the plug connection structure of the present invention.

In the figure: 1. an acquisition instrument; 2. a display; 3. a control key; 4. a slider; 5. a chute; 6. a protective shell; 7. connecting columns; 8. a connecting rod; 9. a first spring; 10. a clamping block; 11. connecting blocks; 12. a mounting seat; 13. a bolt; 14. a socket; 15. a limiting block; 16. a second spring; 17. a spring slot.

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, the present invention provides a technical solution: a sound signal acquisition device applied to fan blade fault diagnosis comprises an acquisition instrument 1, a display 2, a control key 3, a sliding block 4, a sliding chute 5, a protective shell 6, a connecting column 7, a connecting rod 8, a first spring 9, a clamping block 10, a connecting block 11, a mounting seat 12, a bolt 13, a socket 14, a limiting block 15, a second spring 16 and a spring groove 17, wherein the display 2 is fixedly arranged on the surface of the acquisition instrument 1, the sockets 14 are respectively arranged on two sides of the same horizontal plane at the bottom of the acquisition instrument 1, the size of the inner wall of the socket 14 is tangent to the outer wall of the bolt 13, the bolt 13 horizontally penetrates through the outer wall of the protective shell 6 and the corresponding socket 14 to form a clamping structure, the bolt 13 is pulled outwards, one end of the bolt 13 is disconnected with the socket 14, and thus the acquisition instrument 1 is disconnected with the protective shell 6, thereby, the replacement method of the protective shell 6 becomes very simple, and the control key 3 is arranged at one side of the display 2.

The collecting instrument comprises a collecting instrument 1, sliding blocks 4 are fixedly installed on two sides of the collecting instrument 1, sliding grooves 5 are movably connected to the outer walls of the sliding blocks 4, protective shells 6 are fixedly connected to the outer walls of the sliding grooves 5, the protective shells 6 are of U-shaped structures, two inverted T-shaped sliding grooves 5 are formed in the same horizontal plane of the inner walls of two sides of each protective shell 6, the size of the inner wall of each sliding groove 5 is matched with that of each sliding block 4, each protective shell 6 is of a sliding structure with the corresponding collecting instrument 1 through the corresponding sliding groove 5 and the corresponding sliding block 4, the corresponding sliding blocks 4 are connected with the corresponding sliding grooves 5, the corresponding collecting instrument 1 is connected with the corresponding protective shell 6 through the corresponding sliding blocks 4 and the corresponding sliding grooves 5, the corresponding protective shells 6 form protection on the surface of the collecting instrument 1, the corresponding collecting instrument 1 can be protected by the corresponding protective shells 6, connecting columns 7 are fixedly installed, and connecting rod 8 is parallel to each other with protective housing 6 bottom, and 7 one sides fixed mounting of spliced pole have connecting rod 8, and first spring 9 has been cup jointed on connecting rod 8 surface.

One side of a first spring 9 is provided with a clamping block 10, two ends of the clamping block 10 are fixedly provided with connecting blocks 11, one side of each connecting block 11 is movably connected with an installation seat 12, two installation seats 12 are arranged, the two installation seats 12 are symmetrical with each other about a longitudinal midline of the clamping block 10, one side of each installation seat 12 is connected with the connecting block 11, the clamping block 10 is vertically connected between the two connecting blocks 11, the clamping block 10 is parallel to the first spring 9, the extending ends of two ends of the first spring 9 are respectively connected with the bottom of a sliding block 4 and the surface of the clamping block 10, thus when the clamping block 10 is pressed, the clamping block 10 can extrude the first spring 9, one end of the clamping block 10 is upwards tilted, a gap can be formed between the clamping block 10 and a protective shell 6, the side wall of the protective shell 6 is provided with a bolt 13 in a penetrating way, one end of the bolt 13 is movably connected with a socket 14, one side of, the number of the second springs 16 is two, the maximum longitudinal vertical direction of the second springs 16 is the same as the vertical length between the maximum longitudinal inner walls of the spring grooves 17, and the elastic telescopic structure is formed among the pins 13, the stoppers 15 and the second springs 16, when the pins 13 are aligned with the sockets 14, the pins 13 return to the original positions under the action of the second springs 16, so as to be connected with the sockets 14, and the outer walls of the second springs 16 are connected with the spring grooves 17.

The working principle is as follows: in the sound signal acquisition device applied to fan blade fault diagnosis, firstly, two sides of an acquisition instrument 1 are respectively provided with a sliding block 4, the sliding block 4 is connected with a sliding groove 5, the acquisition instrument 1 is connected with a protective shell 6 through the sliding block 4 and the sliding groove 5, so that the protective shell 6 forms protection on the surface of the acquisition instrument 1, the acquisition instrument 1 can be protected by the protective shell 6 to prevent the acquisition instrument 1 from falling and being damaged, two sides of the protective shell 6 of the device are provided with bolts 13, the bolts 13 are pulled outwards, one end of the bolts 13 is separated from being connected with a socket 14, so that the acquisition instrument 1 is separated from the protective shell 6 to be fixedly connected, thereby the replacement method of the protective shell 6 becomes very simple, in addition, the bottom of the protective shell 6 is provided with a first spring 9, extending ends on two sides of the first spring 9 are respectively connected with the bottom of the protective shell 6 and the surface of a clamping block 10, and the clamping block 10, one end of the clamping block 10 is tilted upwards to form a gap between the clamping block 10 and the protective shell 6, and at this time, the gap between the clamping block 10 and the protective shell 6 is clamped on a fixed object, so that the acquisition instrument 1 can be fixed on the surface of an object through the elastic action among the first spring 9, the protective shell 6 and the clamping block 10, and the acquisition instrument 1 is convenient to fix, which is the characteristic of the sound signal acquisition device applied to the fault diagnosis of the fan blade.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a be applied to fan blade fault diagnosis's sound signal collection system, includes collection appearance (1), slider (4) and bolt (13), its characterized in that: the surface of the collecting instrument (1) is fixedly provided with a display (2), one side of the display (2) is provided with a control key (3), wherein the two sides of the collecting instrument (1) are fixedly provided with sliding blocks (4), the outer wall of each sliding block (4) is movably connected with a sliding chute (5), the outer wall of each sliding chute (5) is fixedly connected with a protective shell (6), the bottom of each protective shell (6) is fixedly provided with a connecting column (7), one side of each connecting column (7) is fixedly provided with a connecting rod (8), and the surface of each connecting rod (8) is sleeved with a first spring; the clamping block (10) is arranged on one side of the first spring (9), the connecting blocks (11) are fixedly mounted at two ends of each clamping block (10), the mounting seat (12) is movably connected to one side of each connecting block (11), the bolt (13) is installed on the side wall of the protective shell (6) in a penetrating mode, one end of the bolt (13) is movably connected with the socket (14), the limiting block (15) is arranged on one side of the socket (14), the limiting block (15) is connected with the second spring (16), and the outer wall of the second spring (16) is connected with the spring.

2. The sound signal acquisition device applied to fan blade fault diagnosis according to claim 1, characterized in that: protective housing (6) is "U" shape structure, and the same horizontal plane of protective housing (6) both sides inner wall is provided with two "T" shape spout (5) of falling, and spout (5) inner wall size and slider (4) size phase-match, and protective housing (6) is through being sliding construction between spout (5) and slider (4) and the collection appearance (1).

3. The sound signal acquisition device applied to fan blade fault diagnosis according to claim 1, characterized in that: the connecting columns (7) are arranged in two, the two connecting columns (7) are parallel to each other, the two ends of the connecting rod (8) are vertically connected with the inner walls of the two connecting columns (7) mutually, and the connecting rod (8) is parallel to the bottom of the protective shell (6).

4. The sound signal acquisition device applied to fan blade fault diagnosis according to claim 1, characterized in that: the mounting seats (12) are provided with two, the two mounting seats (12) are symmetrical with respect to a longitudinal parting line of the clamping block (10), one side of each mounting seat (12) is connected with a connecting block (11), the clamping block (10) is vertically connected between the two connecting blocks (11), the clamping block (10) and the first spring (9) are parallel to each other, and the extending ends of the two ends of the first spring (9) are respectively connected with the bottom of the sliding block (4) and the surface of the clamping block (10).

5. The sound signal acquisition device applied to fan blade fault diagnosis according to claim 1, characterized in that: the two sides of the same horizontal plane at the bottom of the acquisition instrument (1) are respectively provided with a socket (14), the size of the inner wall of the socket (14) is tangent to the outer wall of the bolt (13), and the bolt (13) horizontally penetrates through the outer wall of the protective shell (6) and corresponds to a clamping structure between the sockets (14).

6. The sound signal acquisition device applied to fan blade fault diagnosis according to claim 1, characterized in that: the number of the second springs (16) is two, the vertical length between the maximum longitudinal vertical direction of the second springs (16) and the maximum longitudinal inner wall of the spring groove (17) is the same, and an elastic telescopic structure is arranged among the bolt (13), the limiting block (15) and the second springs (16).