CN214667595U - Pipeline silencer detection device - Google Patents
Pipeline silencer detection device Download PDFInfo
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- CN214667595U CN214667595U CN202120699104.1U CN202120699104U CN214667595U CN 214667595 U CN214667595 U CN 214667595U CN 202120699104 U CN202120699104 U CN 202120699104U CN 214667595 U CN214667595 U CN 214667595U
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Abstract
The utility model discloses a pipeline silencer detection device, including the sound production room, the sound measurement room, the sound production room is connected between the sound measurement room and is installed the transaudient pipeline subassembly, and the transaudient pipeline subassembly includes the fixed pipe of first fixed pipe, the fixed pipe of second, the silencer sample, and the fixed pipe of first fixed pipe is installed on the sound production room, and the fixed pipe of second is installed on the sound measurement room, and the silencer sample sets up in the middle section of transaudient pipeline subassembly, and each flange joint in silencer sample both ends has a reducing connecting pipe, and all flange joint has a plurality of intervalve between reducing connecting pipe and the fixed pipe of first fixed pipe, the second, the utility model discloses rational in infrastructure, transaudient pipeline subassembly adopts the module block structure, can freely transform, make up, satisfies the detection demand of the pipeline silencer of different specifications, model, the utility model has the advantages of sound measurement precision height, data accuracy.
Description
Technical Field
The utility model belongs to the technical field of silencer quality testing equipment technique and specifically relates to a pipeline silencer detection device is related to.
Background
The pipeline silencer is an airflow pipeline with noise transmission, noise reduction devices such as a pipeline and an elbow with sound absorption linings or a pipeline with suddenly changed sectional area and other discontinuous acoustic impedances and the like can be used, so that noise in the pipeline is attenuated or reflected, the pipeline silencer is various in model and size, and great adaptability difficulty is brought to the existing detection equipment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a pipeline silencer detection device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a pipeline silencer detection device, includes phonation room, sound measuring room, connect between phonation room, the sound measuring room and install the transaudient pipeline subassembly, transaudient pipeline subassembly includes the fixed pipe of first fixed pipe, second, silencer sample, the fixed pipe of first fixed pipe is installed on phonation room, and the fixed pipe of second is installed on sound measuring room, the silencer sample sets up the middle section at transaudient pipeline subassembly, each flange joint in silencer sample both ends has a reducing connecting pipe, all flange joint has a plurality of intervalve between reducing connecting pipe and the fixed pipe of first fixed pipe, second.
Install sound generating mechanism in the sound producing chamber, first fixed pipe one end runs through in the sound producing chamber and just to the sound generating mechanism setting, the other end and middle pipe flange joint.
The sound measuring chamber is characterized in that a plurality of reflecting plates are hung on the top of the sound measuring chamber, a plurality of sound receiver mounting frames are placed in the sound measuring chamber, sound receivers are installed on the sound receiver mounting frames, one end of the second fixing pipe is connected with the middle pipe through a flange, the other end of the second fixing pipe penetrates through the sound measuring chamber, and the sound receivers are installed towards the pipe orifice of the second fixing pipe.
The reducing connecting pipe is provided with a reducing flange joint, and the reducing connecting pipe is connected with the silencer sample flange through a reducing flange joint end.
A plurality of reducing connecting pipe, intervalve are all fixed mounting separately on the piping erection car, install the piping erection seat on the piping erection car up end, be equipped with the pipeline cambered surface that falls to the position on the piping erection seat, pipeline cambered surface size that falls to the position and reducing connecting pipe, intervalve external diameter phase-match, pipeline location slot has been seted up to piping erection seat both ends symmetry, all symmetric connection has the connecting plate in reducing connecting pipe, intervalve outer wall both sides, the connecting plate below is connected with the pipeline location picture peg, the hookup location of pipeline location picture peg is corresponding with the pipeline location slot, reducing connecting pipe, intervalve are adorned behind the piping erection seat, the pipeline location picture peg inserts in the pipeline location slot, reducing connecting pipe, intervalve upper end all are connected with pipeline hoist and mount ear.
The silencer sample is fixedly arranged on the sample mounting vehicle.
The utility model has the advantages that: the utility model discloses rational in infrastructure, transaudient pipeline subassembly adopts the module block structure, can freely transform, make up, satisfies the detection demand of the pipeline silencer of different specifications, model, the utility model has the advantages of the sounding precision is high, and data is accurate.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is an indoor structure view of the sound-generating chamber of the present invention;
FIG. 3 is an indoor structure diagram of the sound measuring chamber of the present invention;
fig. 4 is the installation and fixation schematic diagram of the reducing connecting pipe and the middle pipe of the utility model.
In the figure: the sound production chamber comprises a sound production chamber 1, a sound production device 11, a sound measurement chamber 2, a reflecting plate 21, a sound receiver mounting frame 22, a sound receiver 23, a sound transmission pipeline component 3, a first fixing pipe 31, a second fixing pipe 32, a silencer sample 33, a reducing connecting pipe 34, a reducing flange joint 341, a middle pipe 35, a connecting plate 351, a pipeline positioning insertion plate 352, a pipeline lifting lug 353, a pipeline mounting vehicle 4, a pipeline mounting seat 41, a pipeline landing arc surface 411, a pipeline positioning insertion groove 412 and a sample mounting vehicle 5.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, wherein the descriptions of "left", "right", etc. in the present invention all refer to fig. 1 as the reference direction:
as shown in fig. 1 to 4, a pipe muffler detection device comprises a sound generation chamber 1 and a sound measurement chamber 2, wherein a sound transmission pipe assembly 3 is connected and installed between the sound generation chamber 1 and the sound measurement chamber 2, the sound transmission pipe assembly 3 comprises a first fixed pipe 31, a second fixed pipe 32 and a muffler sample 33, the first fixed pipe 31 is installed on the sound generation chamber 1, the second fixed pipe 32 is installed on the sound measurement chamber 2, the muffler sample 33 is arranged at the middle section of the sound transmission pipe assembly 3, two ends of the muffler sample 33 are respectively connected with a reducing connecting pipe 34 by flanges, a plurality of middle pipes 35 are respectively connected between the reducing connecting pipe 34 and the first fixed pipe 31 and between the reducing connecting pipe 32 by flanges, the sound transmission pipe assembly 3 of the utility model adopts a modular design, can freely combine the pipe length according to the detection requirement, and is simultaneously designed with the reducing connecting pipes 34 which can be butted with muffler samples with different specifications and sizes, the pipeline silencer detection device meets the detection requirements of pipeline silencers of different specifications and models, has good detection adaptability, and saves the experiment cost.
Install sound generating mechanism 11 in the sound generating chamber 1, first fixed pipe 31 one end runs through in the sound generating chamber 1 and just to sound generating mechanism 11 setting, and the other end and middle pipe 35 flange joint, and sound generating mechanism 11 is used for the sound production, transmits in first fixed pipe 31 is to the transaudient pipeline subassembly 3.
2 top hoists in sound measuring room have a plurality of reflecting plates 21, reflecting plate 21 can effectively reduce the absorption of house wall to sound, promote and detect the precision, sound emission through reflecting plate 21, can produce the audio mixing effect in sound measuring room 2, sound can constantly transmit, the sympathetic response, promote sound receiving effect, a plurality of sound receivers mounting bracket 22 have been placed in the sound measuring room 2, sound receiver 23 installs on the sound receiver mounting bracket 22, 32 one end and the middle pipe 35 flange joint are fixed to the second, the other end runs through in the sound measuring room 2, sound after the noise elimination of silencer sample 33 is transmitted through the fixed pipe 32 of second and is received in sound measuring room 2 and detect, through the sound contrast with sound measuring room 1, calculate the noise elimination effect of silencer sample 33, sound receiver 23 all installs towards the fixed pipe 32 mouth position of second.
The reducing flange joint 341 is arranged on the reducing connecting pipe 34, the end of the reducing flange joint 341 of the reducing connecting pipe 34 is in flange connection with the silencer sample 33, the other end of the reducing connecting pipe is consistent with the structure of the middle pipe 35 and is in butt joint with the middle pipe 35, and the butt joint with the silencer samples 33 of different specifications can be realized by adjusting the size of the reducing flange joint 341.
The reducing connecting pipes 34 and the middle pipes 35 are respectively and fixedly arranged on the pipeline installation vehicle 4, the pipeline installation vehicle 4 can move freely and is convenient to push and butt-joint and install, meanwhile, the lower travelling wheels are provided with brake devices which can fix the installation position, the upper end surface of the pipeline installation vehicle 4 is provided with a pipeline installation seat 41, the pipeline installation seat 41 is provided with a pipeline falling arc surface 411, the size of the pipeline falling arc surface 411 is matched with the outer diameters of the reducing connecting pipes 34 and the middle pipes 35, two ends of the pipeline installation seat 41 are symmetrically provided with pipeline positioning slots 412, two sides of the outer walls of the reducing connecting pipes 34 and the middle pipes 35 are symmetrically connected with connecting plates 351, the lower parts of the connecting plates 351 are connected with pipeline positioning insertion plates 352, the connecting positions of the pipeline positioning insertion plates 352 correspond to the pipeline positioning slots 412, the reducing connecting pipes 34 and the middle pipes 35 are arranged on the pipeline installation seat 41, the pipeline positioning insertion plates 352 are inserted into the pipeline positioning slots 412, the positions of the reducing connecting pipes 34 and the positions of the middle pipes 35 arranged on the pipeline installation base 41 can be located through the pipeline locating insertion plates 352, so that the pipeline movement in the experiment is prevented, and the pipeline hoisting lugs 353 are connected to the upper ends of the reducing connecting pipes 34 and the upper ends of the middle pipes 35 and used for hoisting the pipeline.
Silencer sample 33 fixed mounting is in sample installation car 5, and common silencer sample 33 is the cube shape, and sample installation car 5 can adopt the flat cart, if there is the tubulation silencer sample, and sample installation car 5 can adopt with the same structure of piping erection car 4, and the design of sample installation car 5, piping erection car 4 has made things convenient for acoustic pipe assembly 3's independent assortment, installation operation, has reduced the manual operation burden.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The utility model provides a pipeline silencer detection device, includes vocal room (1), sound measuring room (2), its characterized in that: the utility model discloses a pipe fitting, including sounding room (1), sound measuring room (2), be connected between and install transaudient pipeline subassembly (3), transaudient pipeline subassembly (3) are including the fixed pipe of first fixed pipe (31), second (32), silencer sample (33), install on sounding room (1) first fixed pipe (31), and install on sound measuring room (2) fixed pipe of second (32), silencer sample (33) set up the middle section at transaudient pipeline subassembly (3), each flange joint in silencer sample (33) both ends has a reducing connecting pipe (34), all flange joint has a plurality of intervalve (35) between reducing connecting pipe (34) and the fixed pipe of first fixed pipe (31), second (32).
2. The pipeline muffler detecting device as recited in claim 1, wherein: install sound generating mechanism (11) in sound-emitting room (1), first fixed pipe (31) one end is run through in sound-emitting room (1) and just to sound generating mechanism (11) setting, the other end and middle pipe (35) flange joint.
3. The pipeline muffler detecting device as recited in claim 1, wherein: survey sound room (2) top hoist and mount and have a plurality of reflecting plates (21), a plurality of sound receivers mounting bracket (22) have been placed in surveying sound room (2), sound receivers (23) are installed on sound receivers mounting bracket (22), the fixed pipe of second (32) one end and well intermediate pipe (35) flange joint, the other end runs through in surveying sound room (2), sound receivers (23) are all installed towards the fixed pipe of second (32) mouth of pipe position.
4. The pipeline muffler detecting device as recited in claim 1, wherein: the reducing connecting pipe (34) is provided with a reducing flange joint (341), and the reducing connecting pipe (34) is connected with the silencer sample (33) through the reducing flange joint (341) end.
5. The pipeline muffler detecting device as recited in claim 1, wherein: a plurality of reducing connecting pipe (34), intervalve (35) are all fixed mounting separately on piping erection car (4), install pipeline installation seat (41) on piping erection car (4) the up end, be equipped with pipeline position cambered surface (411) on pipeline installation seat (41), pipeline position cambered surface (411) size and reducing connecting pipe (34), intervalve (35) external diameter phase-match, pipeline location slot (412) have been seted up to pipeline installation seat (41) both ends symmetry, reducing connecting pipe (34), intervalve (35) outer wall both sides all symmetric connection have connecting plate (351), connecting plate (351) below is connected with pipeline location picture peg (352), the hookup location of pipeline location picture peg (352) is corresponding with pipeline location slot (412), reducing connecting pipe (34), intervalve (35) are adorned behind pipeline installation seat (41), the pipeline positioning insertion plate (352) is inserted into the pipeline positioning insertion groove (412), and the upper ends of the reducing connecting pipe (34) and the middle pipe (35) are connected with pipeline lifting lugs (353).
6. The pipeline muffler detecting device as recited in claim 1, wherein: the silencer sample (33) is fixedly arranged on the sample mounting vehicle (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120699104.1U CN214667595U (en) | 2021-04-06 | 2021-04-06 | Pipeline silencer detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120699104.1U CN214667595U (en) | 2021-04-06 | 2021-04-06 | Pipeline silencer detection device |
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| CN214667595U true CN214667595U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120699104.1U Active CN214667595U (en) | 2021-04-06 | 2021-04-06 | Pipeline silencer detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117571273A (en) * | 2023-10-18 | 2024-02-20 | 上海申华声学装备有限公司 | Detection laboratory and detection method of muffler |
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2021
- 2021-04-06 CN CN202120699104.1U patent/CN214667595U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117571273A (en) * | 2023-10-18 | 2024-02-20 | 上海申华声学装备有限公司 | Detection laboratory and detection method of muffler |
| CN117571273B (en) * | 2023-10-18 | 2024-05-10 | 上海申华声学装备有限公司 | Detection laboratory and detection method of muffler |
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