CN218822735U

CN218822735U - Vibration signal sensing device

Info

Publication number: CN218822735U
Application number: CN202320021681.4U
Authority: CN
Inventors: 杨一鸣; 陈砚圃; 余智伟
Original assignee: Xijing University
Current assignee: Xijing University
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-04-07
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses a vibration signal sensing device belongs to the vibration detection technology field, and this sensing device includes the test tube and the embedded top cap of fixing on the test tube top, the top elasticity of test tube is provided with the telescopic link, and the lateral wall top of test tube is fixed with connecting portion to there is the hyaline tube through connecting portion fixed mounting, and wherein the alarm is installed to the lateral wall of test tube, embedded being fixed with first check valve in the top cap, embedded being fixed with the second check valve in the connecting portion, slip grafting has the sliding block in the hyaline tube, and the hyaline tube one end of keeping away from connecting portion is fixed with the sealing plug, the sliding block all protrudes with the sealing plug side in opposite directions and is fixed with the plate electrode, and this sensing device aims at solving prior art down the mechanical failure vibrations and has uncertainty, and the sensing device is difficult to watch all the throughout to the testing personnel to the vibration signal of equipment has been leaded to observe.

Description

Vibration signal sensing device

Technical Field

The utility model belongs to the technical field of the vibration detects, concretely relates to vibration signal sensing device.

Background

The mechanical vibration refers to the regular reciprocating motion of an object or a mass point near the balance position of the object or the mass point, the strength of the vibration is measured by the vibration quantity, and the vibration quantity can be the displacement, the speed or the acceleration of a vibrating body; if the vibration quantity exceeds the allowable range, the mechanical equipment generates larger dynamic load and noise, thereby affecting the working performance and the service life of the mechanical equipment, and in severe cases, the mechanical equipment can lead to early failure of parts, and the damage of the vibration is more prominent because the modern mechanical structure is increasingly complicated and the movement speed is increasingly higher.

As is well known, the detection elements of sensors have higher requirements on the environment, and compared with mechanical detection methods, the method has obviously poor adaptability, and in practical application, many occasions do not need to detect data accurately, especially the occasions needing to know whether the vibration condition exceeds the standard, the optical method and the electrical method are obviously not economical and applicable, and mechanical failure and vibration have uncertainty, and detection personnel are difficult to watch the sensing device all the time, so that the detection personnel are difficult to observe the vibration signal of the equipment.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

An it is not enough to prior art, the utility model aims to provide a vibration signal sensing device, this sensing device aim at solving prior art down the machinery vibrations that break down have the uncertainty, and the measurement personnel are difficult to watch sensing device all the time to it is difficult to observe the vibration signal of equipment to have leaded to the measurement personnel.

(2) Technical scheme

In order to solve the technical problem, the utility model provides a such vibration signal sensing device, this sensing device include the test tube and embedded top cap of fixing on the test tube top, the top elasticity of test tube is provided with the telescopic link, and the lateral wall top of test tube is fixed with connecting portion to there is the hyaline tube through connecting portion fixed mounting, wherein the alarm is installed to the lateral wall of test tube, embedded first check valve that is fixed with in the top cap, embedded second check valve that is fixed with in the connecting portion, it has the sliding block to slide the grafting in the hyaline tube, and the one end that connecting portion were kept away from to the hyaline tube is fixed with the sealing plug, the sliding block all protrudes with the sealing plug side in opposite directions and is fixed with the plate electrode.

When the sensing device is used, the detection tube is fixed on equipment to be detected through the bolt, the detection tube is driven to vibrate synchronously when the equipment vibrates, power generated by vibration drives the telescopic rod to move up and down in the detection tube through the spring, the telescopic rod extrudes air in the detection tube to flow into the transparent tube through the second one-way valve when moving upwards, the telescopic rod is in a negative pressure state in the detection tube in the downward movement process, external air flows into the telescopic rod through the first one-way valve, air is filled into the transparent tube in the continuous vibration process of the equipment, the air pressure pushes the sliding block to slide in the transparent tube, the position of the sliding block is observed within a certain time, whether fault vibration exists in the sliding block is detected, meanwhile, the sliding block is in contact with a plate electrode on the sealing plug after being in contact with the plate electrode on the sealing plug, the detection personnel is reminded of the fault vibration through the alarm, the vibration of the equipment is convenient to detect, the detection device does not need to be observed all the time, and the convenience in detection of the equipment vibration is improved.

Preferably, the bottom end of the detection tube is convexly provided with a fastening part, the top end of the fastening part is provided with bolts in an annular array, the detection bolts are arranged on the outer wall of the equipment in advance in the using process, and the detection tube is fixed on the equipment through the bolts.

Furthermore, the device that all embeds at the both ends of detecting tube has rubber seal, and the bottom screw thread grafting of detecting tube has the bottom, and the sealing rubber circle makes the both ends of detecting tube be in sealed state, and the bottom screw thread grafting of top cap is in the detecting tube.

Furthermore, the top cover and the bottom all with rubber seal butt, the bottom embedded device of bottom has the handle, is convenient for dismantle and change spring and telescopic link after unscrewing the bottom through the handle.

Furthermore, the embedded spring that is provided with in bottom of test tube, the both ends of spring respectively with telescopic link and bottom fixed connection, the elasticity of spring is receiving the in-process area telescopic link of vibrations and is sliding in the test tube, and the frictional force of telescopic link and test tube inner wall can make its vibration after keep fixed when vibrations disappear.

Furthermore, the side wall of the transparent tube is fixed with a connecting tube, the outer wall of the transparent tube is provided with scales, and the position of the sliding block in the transparent tube can be observed conveniently through the scales on the transparent tube.

Furthermore, the connecting pipe is inserted in the connecting part in a threaded manner, the electrode plates on the sliding block and the sealing plug are electrically connected with the alarm, the sliding block is in contact with the sealing plug in the continuous moving process, and the alarm is started after the sliding block is in contact with the electrode plates on the sealing plug.

(3) Advantageous effects

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

1. the utility model discloses a bolt is fixed the test tube on waiting to detect the equipment, the power that the vibrations produced drives the telescopic link through the spring and reciprocates in the test tube, the telescopic link extrudees the air in the test tube when the rebound and passes in the second check valve flows in the hyaline tube, the telescopic link is in the state of negative pressure in the in-process test tube of downshifting, during external air passes first check valve and flows in the telescopic link, fill the air toward the hyaline tube in the in-process that the equipment lasts vibrations, atmospheric pressure promotes the sliding block and slides in the hyaline tube, observe the position of sliding block in certain time, thereby detect out and set up whether there is trouble vibrations, need not to observe detection device all the time, the convenience that equipment vibrations detected has been promoted.

2. Install the alarm through the lateral wall at the test tube, the in-process that the sliding block continuously moved contacts with the sealing plug, starts the alarm after the plate electrode on sliding block and the sealing plug contacts, reminds measuring personnel equipment to have trouble vibrations through the alarm, is convenient for detect the vibration of equipment.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

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

FIG. 2 is a schematic view of the internal structure of the detecting tube of the present invention;

FIG. 3 is a schematic view of the transparent tube of the present invention;

fig. 4 is a schematic view of the internal structure of the transparent tube of the present invention.

The labels in the figures are: 1. a detection tube; 2. a fastening section; 3. a bolt; 4. a transparent tube; 5. a connecting portion; 6. a top cover; 7. a first check valve; 8. an alarm; 9. a rubber seal ring; 10. a second one-way valve; 11. a telescopic rod; 12. a spring; 13. a bottom cover; 14. a connecting pipe; 15. a sealing plug; 16. a slider; 17. and an electrode plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

The specific embodiment is a vibration signal sensing device, a schematic structural diagram of which is shown in fig. 1, the sensing device comprises a detection tube 1 and a top cover 6 embedded and fixed on the top end of the detection tube 1, a telescopic rod 11 is elastically arranged on the top end of the detection tube 1, a connecting part 5 is fixed on the top end of the side wall of the detection tube 1, a transparent tube 4 is fixedly installed through the connecting part 5, an alarm 8 is installed on the side wall of the detection tube 1, a first check valve 7 is embedded and fixed in the top cover 6, a second check valve 10 is embedded and fixed in the connecting part 5, a sliding block 16 is inserted and connected in the transparent tube 4 in a sliding mode, a sealing plug 15 is fixed at one end, far away from the connecting part 5, of the transparent tube 4, and a plate electrode 17 is fixed on one side face, opposite to the sliding block 16 and the side face 15, in the opposite to the sliding block.

Wherein, the bottom protrusion of detecting tube 1 is provided with fastening portion 2, and the top of fastening portion 2 is the annular array and installs bolt 3, and the equal embedded device in both ends of detecting tube 1 has rubber seal 9, and the bottom screw thread of detecting tube 1 pegs graft and have bottom 13, and top cap 6 and bottom 13 all have the butt with rubber seal 9, and the embedded device in bottom of bottom 13 has the handle.

In addition, the embedded spring 12 that is provided with in bottom of detecting tube 1, the both ends of spring 12 respectively with telescopic link 11 and bottom 13 fixed connection, the lateral wall of hyaline tube 4 is fixed with connecting pipe 14, and the outer wall of hyaline tube 4 is provided with the scale, connecting pipe 14 screw thread grafting in connecting portion 5, sliding block 16 and electrode plate 17 on the sealing plug 15 all with alarm 8 electric connection.

The internal structure of the detection tube 1 of the sensing device is schematically shown in fig. 2, the transparent tube 4 of the sensing device is schematically shown in fig. 3, and the internal structure of the transparent tube 4 of the sensing device is schematically shown in fig. 4.

The working principle is as follows: screwing up bolt 3 and fixing detecting tube 1 on waiting to detect the equipment, drive detecting tube 1 synchronous vibration when equipment shakes, the power that the vibrations produced drives telescopic link 11 through spring 12 and reciprocates in detecting tube 1, telescopic link 11 extrudees the air in detecting tube 1 when upwards moving and passes second check valve 10 and flow in transparent pipe 4, telescopic link 11 is in the state of negative pressure in detecting tube 1 in the in-process of downwards moving, outside air passes first check valve 7 and flows in telescopic link 11, in the in-process of equipment continuous vibration add the air to transparent pipe 4, atmospheric pressure promotes sliding block 16 and slides in transparent pipe 4, observe the position of sliding block 16 in certain time, thereby detect out and set up whether there is trouble vibrations, simultaneously when sliding block 16 continuous movement's in-process and sealing plug 15 contact, sliding block 16 contacts with electrode plate 17 on sealing plug 15 and starts alarm 8, remind detection personnel equipment to have trouble vibrations through alarm 8, be convenient for detecting the vibration of equipment, need not to observe detection device all the time, the convenience that the equipment detected vibrations.

All the technical features in the embodiment can be freely combined according to actual needs.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a vibration signal sensing device, this sensing device includes that sense tube (1) and embedded fix top cap (6) on sense tube (1) top, a serial communication port, the top elasticity of sense tube (1) is provided with telescopic link (11), and the lateral wall top of sense tube (1) is fixed with connecting portion (5) to through connecting portion (5) fixed mounting have transparent tube (4), alarm (8) are installed to the lateral wall of sense tube (1) wherein, embedded being fixed with first check valve (7) in top cap (6), embedded being fixed with second check valve (10) in connecting portion (5), slip grafting has sliding block (16) in transparent tube (4), and transparent tube (4) keep away from the one end of connecting portion (5) and be fixed with sealing plug (15), sliding block (16) and sealing plug (15) side in opposite directions all the protrusion be fixed with plate electrode (17).

2. A vibration signal sensing device according to claim 1, wherein the bottom end of the detecting tube (1) is provided with a fastening part (2) in a protruding manner, and the top end of the fastening part (2) is provided with bolts (3) in an annular array.

3. The vibration signal sensing device according to claim 1, wherein a rubber sealing ring (9) is embedded in each of the two ends of the detection tube (1), and a bottom cover (13) is screwed to the bottom end of the detection tube (1).

4. A vibration signal sensing device according to claim 3, wherein the top cover (6) and the bottom cover (13) are both abutted with the rubber seal (9), and a handle is embedded in the bottom end of the bottom cover (13).

5. The vibration signal sensing device according to claim 4, wherein a spring (12) is embedded in the bottom end of the detection tube (1), and both ends of the spring (12) are fixedly connected with the telescopic rod (11) and the bottom cover (13), respectively.

6. A vibration signal sensing device according to claim 1, wherein the side wall of the transparent tube (4) is fixed with a connecting tube (14), and the outer wall of the transparent tube (4) is provided with scales.

7. A vibration signal sensing device according to claim 6, wherein the connecting tube (14) is screwed into the connecting portion (5), and the sliding block (16) and the electrode plate (17) on the sealing plug (15) are electrically connected to the alarm (8).