CN218098172U

CN218098172U - Silencer detection device

Info

Publication number: CN218098172U
Application number: CN202222576351.XU
Authority: CN
Inventors: 羊贤根
Original assignee: Hangzhou Shengchang Industrial Co ltd
Current assignee: Hangzhou Shengchang Industrial Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2022-12-20
Anticipated expiration: 2032-09-28

Abstract

The utility model discloses a muffler detection device belongs to muffler test bench field, including the test bench main part, install the fixed clamp structure in the test bench main part, the fixed clamp structure contains a piece, a protection rubber pad, the installation guide arm, spring clamp plate and fastening spring, a protection rubber pad is installed in a piece, the installation guide arm has two and the upper end of symmetrical installation at a piece, spring clamp plate has two and installs the upper end at two installation guide arms respectively, fastening spring has two and establishes respectively on two installation guide arms, through setting up fixed clamp structure and movable clamp structure, can be convenient will wait the compressor exhaust muffler that detects to fix, thereby can avoid compressor exhaust muffler to take place to roll at the in-process that the gas tightness detected, and then avoid blockking up the muffler and advance, the rubber plug of gas outlet drops, finally promote muffler gas tightness testing result's accuracy and detection efficiency.

Description

Silencer detection device

Technical Field

The utility model relates to a muffler test bench field, in particular to muffler detection device.

Background

The exhaust silencer (silencer) of the compressor can better meet the noise reduction requirement of various compressor exhausts in the industries of electric power, metallurgy, petroleum, chemical engineering, textile, papermaking, food and the like according to the principle of large-hole pressure reduction injection silencing. The silencer of the compressor needs to be detected after production, and the detected items mainly comprise flow characteristics, noise elimination effect, pressure resistance, mechanical strength, durability, appearance quality, noise elimination effect test, appearance size, noise (noise reduction performance, portable decibel instrument), sound transmission loss, airflow regeneration noise, measurement of total pressure loss coefficient, resistance coefficient and the like. One of the noise detection methods during the airtightness detection of the compressor exhaust silencer is that harsh noise is generated if the airtightness of the compressor exhaust silencer does not meet the use requirement.

The silencer test bed is a device for detecting the air tightness of the compressor exhaust silencer, when in use, the compressor exhaust silencer can be placed in a detection chamber, then a rubber plug is used for sealing an air inlet and an air outlet of the silencer to be detected, compressed air is filled into the silencer to be detected, after the inflation pressure reaches a set detection value, the air pressure of an inflation valve is closed to enter a balance stage, at the moment, air tightness detection is carried out, if the silencer to be detected does not leak, the detection pressure basically keeps unchanged, if the silencer leaks, the air pressure in the silencer is reduced along with the continuous leakage of the air, a pressure detection sensor can detect in real time and output corresponding pressure change, meanwhile, whether the silencer leaks or not is automatically judged through comparison with preset parameters, and a corresponding detection result is displayed, however, the existing silencer test bed does not have a corresponding fixing structure for quickly fixing the silencer to be detected, so that the cylindrical compressor exhaust silencer is easy to roll in the detection process, the rubber plug blocking the air inlet and the air outlet of the silencer is easy to fall off, and the air tightness detection result and the detection efficiency of the silencer are influenced finally.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a muffler detecting device, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the utility model provides a muffler detection device, includes the test bench main part, install the fixed clamp structure in the test bench main part, the fixed clamp structure contains a piece, a protection rubber pad, installation guide arm, spring clamp and fastening spring, a protection rubber pad is installed in a piece, the installation guide arm has two and the upper end of symmetry installation at a piece, spring clamp has two and installs the upper end at two installation guide arms respectively, fastening spring has two and establishes respectively and establish on two installation guide arms, two slidable mounting has a movable clamp to press from both sides tight structure on the installation guide arm, the movable clamp tightly constructs and contains No. two pieces and No. two protection rubber pads, no. two protection rubber pads are installed in No. two pieces.

Preferably, the test bed main body is provided with a detection chamber, and the control platform is arranged on one side of the detection chamber on the test bed main body.

Preferably, the lower extreme of No. two pieces on the movable clamping structure has seted up No. two arc mounting grooves, two spring chambers have been seted up to the upper end symmetry of No. two pieces, two telescopic holes have been seted up at the bilateral symmetry of No. two arc mounting grooves to the lower extreme of No. two pieces, telescopic hole link up the lower extreme of No. two pieces with the spring chamber.

Preferably, the second protective rubber pad on the movable clamping structure is of an arc-shaped structure, and the second protective rubber pad is fixedly installed in a second arc-shaped installation groove formed in the lower end of the second block through viscose.

Preferably, the fixed clamp structure is installed in detecting the room, no. one the piece passes through screw fixed mounting in detecting the room, an arc mounting groove has been seted up to the upper end of a piece, a protection rubber pad is the arc structure, a protection rubber pad passes through viscose fixed mounting in an arc mounting groove.

Preferably, the installation guide rod and the spring pressure plate on the fixed clamping structure are of an integrally formed structure, the fastening spring and the spring pressure plate are both located in a spring cavity formed in the upper end of the second block, and the installation guide rod penetrates through a telescopic hole formed in the lower end of the second block downwards and then is fixedly installed with the first block through a screw.

Compared with the prior art, the utility model discloses following beneficial effect has:

through setting up the fixed clamp structure and the tight structure of activity clamp, the compressor exhaust muffler that will wait to detect that can be convenient fixes to can avoid the compressor exhaust muffler to take place to roll at the in-process that the gas tightness detected, and then avoid blockking up the rubber end cap that the muffler advances, the gas outlet and drop, finally promote accuracy and the detection efficiency of muffler gas tightness testing result.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the fixing and clamping structure of the present invention;

fig. 3 is a schematic structural view of the movable clamping structure of the present invention.

In the figure: 1. a test bed main body; 2. fixing the clamping structure; 3. a movable clamping structure; 4. a detection chamber; 5. a console; 6. a first block; 7. a first arc mounting groove; 8. installing a guide rod; 9. a spring pressing plate; 10. a fastening spring; 11. a second arc-shaped mounting groove; 12. a spring cavity; 13. a telescopic hole; 14. a protective rubber pad; 15. a second protective rubber pad; 16. block number two.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1, a muffler detection device includes a test bed main body 1, a detection chamber 4 is disposed on the test bed main body 1, a control platform 5 is disposed on one side of the detection chamber 4 on the test bed main body 1, when in use, a compressor exhaust muffler to be detected is first placed in the detection chamber 4, then a rubber plug is used to seal an air inlet and an air outlet of the muffler to be detected, compressed air is filled into the muffler to be detected, after the inflation pressure reaches a set detection value, the air pressure of an inflation valve on the test bed main body 1 is closed to enter a balancing stage, at this time, air tightness detection is performed, if the muffler to be detected does not leak, the detection pressure is basically unchanged, if the muffler leaks, the air pressure in the muffler drops along with continuous gas discharge, a pressure detection sensor on the test bed main body 1 detects and outputs a corresponding pressure change in real time, and simultaneously, through comparison with preset parameters, whether the muffler leaks is automatically judged, and a corresponding detection result is displayed on the control platform 5.

Referring to fig. 1, 2 and 3, a movable clamping structure 3 is slidably mounted on two mounting guide rods 8, the movable clamping structure 3 includes a second block 16 and a second protective rubber pad 15, the second protective rubber pad 15 is mounted in the second block 16, a second arc mounting groove 11 is formed at the lower end of the second block 16 on the movable clamping structure 3, two spring cavities 12 are symmetrically formed at the upper end of the second block 16, two telescopic holes 13 are symmetrically formed at the lower end of the second block 16 at two sides of the second arc mounting groove 11, the telescopic holes 13 communicate the lower end of the second block 16 with the spring cavities 12, the second protective rubber pad 15 on the movable clamping structure 3 is of an arc structure, the second protective rubber pad 15 is fixedly mounted in the second arc mounting groove 11 formed at the lower end of the second block 16 through adhesive, a fixed clamping structure 2 is mounted in the test bed main body 1, the fixed clamping structure 2 comprises a first block 6, a first protective rubber pad 14, installation guide rods 8, spring pressing plates 9 and fastening springs 10, wherein the first protective rubber pad 14 is installed in the first block 6, two installation guide rods 8 are symmetrically installed at the upper end of the first block 6, two spring pressing plates 9 are installed at the upper ends of the two installation guide rods 8 respectively, two fastening springs 10 are installed and sleeved on the two installation guide rods 8 respectively, the fixed clamping structure 2 is installed in the detection chamber 4, the first block 6 is fixedly installed in the detection chamber 4 through screws, an arc-shaped installation groove 7 is formed in the upper end of the first block 6, the first protective rubber pad 14 is of an arc-shaped structure, the first protective rubber pad 14 is fixedly installed in the arc-shaped installation groove 7 through adhesive, the installation guide rods 8 and the spring pressing plates 9 on the fixed clamping structure 2 are of an integrated structure, the fastening springs 10 and the spring pressing plates 9 are both located in spring cavities 12 formed in the upper ends of the second block 16, installation guide arm 8 passes the telescopic hole 13 back that No. two 16 lower extremes were seted up downwards and is in the same place through screw fixed mounting with a piece 6, through setting up fixed clamp structure 2 and activity clamp structure 3, the compressor exhaust muffler that will wait to detect that can be convenient fixes to can avoid compressor exhaust muffler to take place to roll at the in-process that the gas tightness detected, and then avoid blockking up the muffler and advance, the rubber end cap of gas outlet drops, finally promote muffler gas tightness testing result's accuracy and detection efficiency.

It should be noted that, the utility model relates to a silencer detection device, when using, at first will wait to detect the compressor exhaust muffler and place and fix in detection room 4, when fixed, carry out the lifting-up with activity clamp structure 3 earlier, thereby make activity clamp structure 3 keep away from fixed clamp structure 2, fastening spring 10 can be compressed this moment, place compressor exhaust muffler on a protective rubber pad 14 on fixed clamp structure 2 after that, loosen activity clamp structure 3 again at last, fastening spring 10 can reset activity clamp structure 3 downwards this moment, make finally No. two protective rubber pads 15 on the activity clamp structure 3 press on compressor exhaust muffler, compressor exhaust muffler is fixed this moment promptly, then can use the sealed income of the silencer that awaits measuring of rubber, behind the gas outlet, to filling compressed air in the silencer that awaits measuring, after inflation pressure reaches the settlement detection value, close the inflation valve atmospheric pressure on the test bench main part 1 and get into balanced stage, carry out airtight detection this moment, if the silencer that awaits measuring does not leak, then detect pressure keeps unchangeably, then the silencer in the silencer constantly with the gaseous pressure of setting for the detection value, whether the relevant automatic detection of the pressure of closing on test bench main part 1 shows the detection and the relevant detection and the detection of the relevant pressure of the relevant detection and controls the relevant detection and can be controlled through the relevant detection on the test bench, detect the real-time, whether the relevant automatic detection test set up.

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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A silencer detecting device comprises a test bed main body (1), and is characterized in that: install fixed clamp structure (2) in test bench main part (1), fixed clamp structure (2) contain a piece (6), a protection rubber pad (14), installation guide arm (8), spring clamp (9) and fastening spring (10), install in a piece (6) protection rubber pad (14), installation guide arm (8) have two and the symmetry to install the upper end in a piece (6), spring clamp (9) have two and install the upper end at two installation guide arms (8) respectively, fastening spring (10) have two and establish respectively on two installation guide arms (8), two slidable mounting has a movable clamp structure (3) on installation guide arm (8), movable clamp structure (3) contain No. two pieces (16) and No. two protection rubber pads (15), no. two protection rubber pads (15) are installed in No. two pieces (16).

2. The muffler detecting apparatus according to claim 1, wherein: the test bed is characterized in that a detection chamber (4) is arranged on the test bed main body (1), and a control platform (5) is arranged on one side of the detection chamber (4) on the test bed main body (1).

3. A muffler testing apparatus according to claim 2, wherein: no. two arc mounting grooves (11) have been seted up to the lower extreme of No. two blocks (16) on activity clamp structure (3), two spring chamber (12) have been seted up to the upper end symmetry of No. two blocks (16), two flexible hole (13) have been seted up at the bilateral symmetry of No. two arc mounting grooves (11) to the lower extreme of No. two blocks (16), flexible hole (13) link up the lower extreme of No. two blocks (16) with spring chamber (12).

4. A muffler detecting apparatus according to claim 3, wherein: a second protective rubber pad (15) on the movable clamping structure (3) is of an arc-shaped structure, and the second protective rubber pad (15) is fixedly installed in a second arc-shaped installation groove (11) formed in the lower end of a second block (16) through adhesive.

5. The muffler detecting apparatus according to claim 4, wherein: fixed clamping structure (2) is installed in detecting room (4), a piece (6) is through screw fixed mounting in detecting room (4), an arc mounting groove (7) have been seted up to the upper end of a piece (6), a protection rubber pad (14) are the arc structure, a protection rubber pad (14) is through viscose fixed mounting in an arc mounting groove (7).

6. The muffler detecting apparatus according to claim 5, wherein: the mounting guide rod (8) and the spring pressing plate (9) on the fixed clamping structure (2) are of an integrated structure, the fastening spring (10) and the spring pressing plate (9) are both located in a spring cavity (12) formed in the upper end of the second block (16), and the mounting guide rod (8) penetrates through a telescopic hole (13) formed in the lower end of the second block (16) downwards and then is fixedly mounted with the first block (6) through a screw.