CN104074572B - A kind of two row cylinder muffler assembly - Google Patents
A kind of two row cylinder muffler assembly Download PDFInfo
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- CN104074572B CN104074572B CN201410172201.XA CN201410172201A CN104074572B CN 104074572 B CN104074572 B CN 104074572B CN 201410172201 A CN201410172201 A CN 201410172201A CN 104074572 B CN104074572 B CN 104074572B
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- row cylinder
- tube
- thermal baffle
- cylinder tube
- silencer box
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Abstract
The invention discloses a kind of good heat-insulation effect and the good two row cylinder muffler assembly of soundproof effect.It comprises first row cylinder tube, second row cylinder tube, thermal baffle and silencer box, short suction tude, progress tracheae and perforated tube is provided with in silencer box, silencer box is divided into upper, middle and lower-ranking, the import of short suction tude connects first row cylinder tube, the outlet of short suction tude is placed in upper strata, the import of progress tracheae connects second row cylinder tube, the outlet of progress tracheae is placed in lower floor, perforated tube is communicated with upper, middle and lower-ranking, thermal baffle is arranged on the outside of silencer box, thermal baffle is provided with tail pipe, and the middle level of silencer box is provided with air outlet, and air outlet is connected with tail pipe.The invention has the beneficial effects as follows: a perforated tube can carry out twice noise elimination, improve soundproof effect, improve effect of heat insulation, improve the transformation efficiency between acoustic energy and heat energy, structure is simple, and installation and removal are convenient and swift, improve working life, improve the reliability of device.
Description
Technical field
The present invention relates to silencing apparatus correlative technology field, refer in particular to a kind of two row cylinder muffler assembly.
Background technique
Silencing apparatus allows air-flow to pass through, but can stop or reduce a kind of device of sound transmission, is the important measures eliminating air power noise.Silencing apparatus can stop sound wave propagation, and allowing air-flow to pass through, is the effective tool of control noises.Silencing apparatus kind is a lot, but studies carefully its noise elimination mechanism, it can be divided into six kinds of main types, i.e. dissipative muffler, reactive muffler, impedance composite muffler, micropunch plate muffler, micropole diffusor and active silencer again.Existing silencing apparatus, adopts impedance composite noise-cancelling theory mostly.Because complex structure, weight are large, high temperature oxidation sound absorption filler, the reasons such as high velocity air impacts sound absorption filler, aqueous vapor infiltration sound absorption filler, silencing apparatus is easy to occur that maintenance is frequent, soundproof effect is poor, the situations such as life cycle is short.
Chinese patent Authorization Notice No.: CN202866953U, authorized announcement date on April 10th, 2013, disclose a kind of air cooling twin-tub two pole low noise gasoline, diesel generating set muffler assembly, comprise an A level, one B level silencing apparatus and the 2nd A level, 2nd B level silencing apparatus, one A level, one B level silencing apparatus fixes and a B level silencing apparatus is connected on C level silencing apparatus, 2nd A level, 2nd B level silencing apparatus fixes and the 2nd B level silencing apparatus is connected on C level silencing apparatus, C level silencing apparatus is connected with first, 2nd D level silencing apparatus, first, 2nd D level silencing apparatus is connected with E level silencing apparatus, described first, 2nd A level acoustic wave filter structure is identical, first, 2nd B level acoustic wave filter structure is identical, first, 2nd D level acoustic wave filter structure is identical, A level muffler body inner chamber is provided with catalyst converter, catalyst converter to be positioned on A level muffler body cross section and to fit tightly in A level muffler body inwall.The deficiency of this model utility is, be merely able to carry out sound-absorbing by puigging and sound-absorption layer, can not effectively carry out heat insulation, and due to work under bad environment, puigging and sound-absorption layer edge outside exposed, in Environmental Conditions, very easily enter water and various dust form acid or alkali environment and cause puigging and sound-absorption layer to damage to depart from, affect its life-span and soundproof effect.
Summary of the invention
There is above-mentioned deficiency to overcome in prior art in the present invention, provides a kind of good heat-insulation effect and the good two row cylinder muffler assembly of soundproof effect.
To achieve these goals, the present invention is by the following technical solutions:
A kind of two row cylinder muffler assembly, comprise first row cylinder tube, second row cylinder tube, thermal baffle and silencer box, short suction tude is provided with in described silencer box, progress tracheae and perforated tube, described silencer box is divided into, in, lower three layers, the import of described short suction tude connects first row cylinder tube, the outlet of described short suction tude is placed in upper strata, the import of described progress tracheae connects second row cylinder tube, the outlet of described progress tracheae is placed in lower floor, on described perforated tube is communicated with, in, lower three layers, described thermal baffle is arranged on the outside of silencer box, described thermal baffle is provided with tail pipe, the middle level of described silencer box is provided with air outlet, described air outlet is connected with tail pipe.
In the present invention, first row cylinder tube enters into the upper strata of silencer box by short suction tude, second row cylinder tube enters into the lower floor of silencer box by progress tracheae, and the sound wave entering into upper strata and lower floor carries out first time by perforated tube and eliminates the noise, a part of acoustic energy is made to become heat energy by the hole friction on perforated tube, and the sound wave entering into perforated tube is when entering into the middle level of silencer box, carry out second time to eliminate the noise, acoustic energy is made to become heat energy by the hole friction on perforated tube, and the heat energy produced gives whole silencer box by perforated tube heat transfer, by the design of thermal baffle, on the one hand silencer box and miscellaneous part can be isolated, thermal baffle also can carry out certain heat radiation on the other hand simultaneously, the air-flow entering into silencer box middle level after noise elimination is discharged from the tail pipe thermal baffle by air outlet, such design perforated tube can carry out twice noise elimination, substantially increase soundproof effect, adopt the design of thermal baffle simultaneously, effectively raise effect of heat insulation.
As preferably, described silencer box comprises shell, bottom, end cap and two pieces of dividing plates, described bottom is connected with shell seamless, described end cap is connected with shell seamless, two pieces of described dividing plates are placed in inside shell and silencer box are separated into upper, middle and lower-ranking, the space size on described upper strata is consistent with the space size of lower floor, and the space size in described middle level is greater than the space size on upper strata.Upper strata, spatial design between middle level and lower floor, when making the air-flow of the air-flow in upper strata and lower floor enter into middle level, significantly can not accelerate the flowing velocity of middle level air-flow, so make the fricative heat energy of sound wave can be gone out by sufficient heat transfer, thus improve the radiating effect of whole device.
As preferably, the two ends of described perforated tube are equipped with pipe end-cap, described pipe end-cap and perforated tube seamless link.The radiating efficiency in middle level is entered into by the design air-flow that can improve in the upper and lower of end casing, air-flow is merely able to by the hole turnover on perforated tube, directly perforated tube can not be entered into, so the transformation efficiency between acoustic energy and heat energy can be improved from the two ends of perforated tube.
As preferably, described perforated tube is placed in the hole consistent in density that the hole density of top section and perforated tube are placed in underclad portion, and the hole density that described perforated tube is placed in layer segment is less than the hole density that perforated tube is placed in top section.Space size due to middle level is greater than the space size of any one deck in upper strata and lower floor, if so reduce the hole density that perforated tube is placed in layer segment, the speed of air-flow from perforated tube to middle level can be made to accelerate, thus improve the conversion between acoustic energy and heat energy, effectively improve radiating effect.
As preferably, the import of described short suction tude and the import of progress tracheae are all placed on end cap, and described short suction tude and progress tracheae and end cap are all integrated, and the outlet of described progress tracheae is placed in lower floor through two pieces of dividing plates.The simplification of structure is convenient in such design, makes installation and removal more convenient.
As preferably, described first row cylinder tube and short suction tude joint and second row cylinder tube and progress tracheae joint are provided with inlet flange, described first row cylinder tube and second row cylinder tube and inlet flange are integrated, described inlet flange is threaded with end cap by pad, the joint of described first row cylinder tube and first row cylinder is provided with exhaust flange, described second row cylinder tube and the joint of second row cylinder are also provided with exhaust flange, are provided with gusset plate between described first row cylinder tube and second row cylinder tube.Such design can not only be convenient to installation and removal by simplified structure, can also improve the stability between first row cylinder tube and second row cylinder tube, makes it integrally, not fragile.
As preferably, the side of described shell is provided with screw thread mounting bracket, described thermal baffle is connected with screw thread mounting bracket by clamping bolt, silencing apparatus folder is provided with above described end cap, described silencing apparatus folder is connected with thermal baffle by clamping bolt, and described thermal baffle is positioned at tail pipe place and is provided with reinforcing cover.Reinforcing cover can strengthen the firmness of tail pipe, and silencing apparatus folder conveniently can locate the position of thermal baffle on silencer box simultaneously, is convenient to the installation of thermal baffle.
As preferably, described silencing apparatus folder top is provided with support, and described support is pressed from both sides by fixing bolt and set screw nut and silencing apparatus and removably connects, and described support one end is provided with substrate, described substrate is provided with backplate, and described backplate is placed in the top of second row cylinder tube.This design organization can protect second row cylinder tube not by the damage of miscellaneous part, improves the working life of device.
As preferably, the outside of described shell and the side relative with thermal baffle is provided with undercarriage, described undercarriage is provided with low mounting bracket, and described low mounting bracket and undercarriage removably connect.By coordinating of undercarriage and low mounting bracket, the installation and removal of whole device can be facilitated, improve the installation reliability of whole device further.
As preferably, described thermal baffle is provided with some radiation holes, and described radiation hole is provided with the turnover panel of outwards turnover, the angle of described turnover panel and thermal baffle be less than 90 degree and turnover panel on thermal baffle towards downwards.The radiating effect of thermal baffle can be improved by the design of turnover panel.
The invention has the beneficial effects as follows: a perforated tube can carry out twice noise elimination, improve soundproof effect, improve effect of heat insulation, improve the transformation efficiency between acoustic energy and heat energy, structure is simple, and installation and removal are convenient and swift, improve working life, improve the reliability of device.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is left view of the present invention;
Fig. 3 is plan view of the present invention;
Fig. 4 is the cross-sectional view at XX place in Fig. 3.
In figure: 1. dividing plate, 2. perforated tube, 3. pipe end-cap, 4. inlet flange, 5. short suction tude, 6. progress tracheae, 7. shell, 8. reinforcing cover, 9. end cap, 10. bottom, 11. silencing apparatus folders, 12. tail pipes, 13. screw thread mounting brackets, 14. undercarriages, 15. thermal baffles, 16. pads, 17. second row cylinder tubes, 18. first row cylinder tubes, 19. exhaust flanges, 20. gusset plates, 21. substrates, 22. supports, 23. backplates, 24. low mounting brackets, 25. clamping bolts, 26. fixing bolts, 27. air inlet bolts, 28. set screw nuts.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
As Fig. 1, Fig. 2, Fig. 3, in embodiment described in Fig. 4, a kind of two row cylinder muffler assembly, comprise first row cylinder tube 18, second row cylinder tube 17, thermal baffle 15 and silencer box, short suction tude 5 is provided with in silencer box, progress tracheae 6 and perforated tube 2, silencer box is divided into, in, lower three layers, the import of short suction tude 5 connects first row cylinder tube 18, the outlet of short suction tude 5 is placed in upper strata, the import of progress tracheae 6 connects second row cylinder tube 17, the outlet of progress tracheae 6 is placed in lower floor, on perforated tube 2 is communicated with, in, lower three layers, thermal baffle 15 is arranged on the outside of silencer box, thermal baffle 15 is provided with tail pipe 12, the middle level of silencer box is provided with air outlet, air outlet is connected with tail pipe 12.
As shown in Figure 4, silencer box comprises shell 7, bottom 10, end cap 9 and two pieces of dividing plates 1, bottom 10 and shell 7 seamless link, end cap 9 and shell 7 seamless link, two pieces of dividing plates 1 are placed in inside shell 7 and silencer box are separated into upper, middle and lower-ranking, the space size on upper strata is consistent with the space size of lower floor, and the space size in middle level is greater than the space size on upper strata.Wherein: the two ends of perforated tube 2 are equipped with pipe end-cap 3, pipe end-cap 3 and perforated tube 2 seamless link, perforated tube 2 is placed in the hole consistent in density that the hole density of top section and perforated tube 2 are placed in underclad portion, and the hole density that perforated tube 2 is placed in layer segment is less than the hole density that perforated tube 2 is placed in top section.The import of short suction tude 5 and the import of progress tracheae 6 are all placed on end cap 9, short suction tude 5 and progress tracheae 6 are all integrated with end cap 9, the outlet of progress tracheae 6 is placed in lower floor through two pieces of dividing plates 1, first row cylinder tube 18 is provided with inlet flange 4 with short suction tude 5 joint and second row cylinder tube 17 with progress tracheae 6 joint, first row cylinder tube 18 and second row cylinder tube 17 are integrated with inlet flange 4, pad 16 is provided with between inlet flange 4 and end cap 9, inlet flange 4 is threaded with end cap 9 by air inlet bolt 27, first row cylinder tube 18 is provided with exhaust flange 19 with the joint of first row cylinder, second row cylinder tube 17 is also provided with exhaust flange 19 with the joint of second row cylinder, gusset plate 20 is provided with between first row cylinder tube 18 and second row cylinder tube 17.
As shown in Figure 2 and Figure 3, the side of shell 7 is provided with screw thread mounting bracket 13, thermal baffle 15 is connected with screw thread mounting bracket 13 by clamping bolt 25, silencing apparatus folder 11 is provided with above end cap 9, silencing apparatus folder 11 is connected with thermal baffle 15 by clamping bolt 25, and thermal baffle 15 is positioned at tail pipe 12 place and is provided with reinforcing cover 8.Wherein: above silencing apparatus folder 11, be provided with support 22, support 22 presss from both sides 11 by fixing bolt 26 and set screw nut 28 with silencing apparatus and removably connects, and support 22 one end is provided with substrate 21, and substrate 21 is provided with backplate 23, and backplate 23 is placed in the top of second row cylinder tube 17.Thermal baffle 15 is provided with some radiation holes, and radiation hole is provided with the turnover panel of outwards turnover, the angle of turnover panel and thermal baffle 15 be less than 90 degree and turnover panel on thermal baffle 15 towards downwards.The outside of the shell 7 and side relative with thermal baffle 15 is provided with undercarriage 14, undercarriage 14 is provided with low mounting bracket 24, and low mounting bracket 24 removably connects with undercarriage 14.
In the present invention, first row cylinder tube 18 enters into the upper strata of silencer box by short suction tude 5, second row cylinder tube 17 enters into the lower floor of silencer box by progress tracheae 6, and the sound wave entering into upper strata and lower floor carries out first time by the part that perforated tube 2 is placed in the upper and lower eliminates the noise, make a part of acoustic energy be converted into heat energy by the hole friction on perforated tube 2, heat energy dispels the heat to whole silencer box by heat transfer; Afterwards, the sound wave entering into perforated tube 2, when entering into the middle level of silencer box from perforated tube 2 inside, carries out second time and eliminates the noise, and make sound wave be converted into heat energy by the hole friction on perforated tube 2, and the heat energy produced gives whole silencer box by perforated tube 2 heat transfer.Matched with low mounting bracket 24 by the undercarriage 14 on silencer box shell 7; whole muffler assembly is fixed on corresponding position; support 22, substrate 21 and backplate 23 project organization simultaneously on silencing apparatus folder 11; second row cylinder tube 17 can be protected on the one hand; play installation fixation on the other hand, improve the firmness of this muffler assembly.By the design of thermal baffle 15, silencer box and miscellaneous part can be isolated on the one hand, the exothermic temperature preventing silencer box from producing causes adverse effect to miscellaneous part; The air-flow entering into silencer box middle level after another aspect air-flow secondary noise elimination is simultaneously discharged from the tail pipe 12 thermal baffle 15 by air outlet, and thermal baffle 15 also can play certain thermolysis.
Claims (10)
1. a two row cylinder muffler assembly, it is characterized in that, comprise first row cylinder tube (18), second row cylinder tube (17), thermal baffle (15) and silencer box, short suction tude (5) is provided with in described silencer box, progress tracheae (6) and perforated tube (2), described silencer box is divided into, in, lower three layers, the import of described short suction tude (5) connects first row cylinder tube (18), the outlet of described short suction tude (5) is placed in upper strata, the import of described progress tracheae (6) connects second row cylinder tube (17), the outlet of described progress tracheae (6) is placed in lower floor, in described perforated tube (2) connection, in, lower three layers, described thermal baffle (15) is arranged on the outside of silencer box, described thermal baffle (15) is provided with tail pipe (12), the middle level of described silencer box is provided with air outlet, described air outlet is connected with tail pipe (12).
2. a kind of two row cylinder muffler assembly according to claim 1, it is characterized in that, described silencer box comprises shell (7), bottom (10), end cap (9) and two pieces of dividing plates (1), described bottom (10) and shell (7) seamless link, described end cap (9) and shell (7) seamless link, two pieces of described dividing plates (1) are placed in shell (7) inner side and are separated into by silencer box, in, lower three layers, the space size on described upper strata is consistent with the space size of lower floor, the space size in described middle level is greater than the space size on upper strata.
3. a kind of two row cylinder muffler assembly according to claim 1 and 2, it is characterized in that, the two ends of described perforated tube (2) are equipped with pipe end-cap (3), described pipe end-cap (3) and perforated tube (2) seamless link.
4. a kind of two row cylinder muffler assembly according to claim 3, it is characterized in that, described perforated tube (2) is placed in the hole consistent in density that the hole density of top section and perforated tube (2) are placed in underclad portion, and the hole density that described perforated tube (2) is placed in layer segment is less than the hole density that perforated tube (2) is placed in top section.
5. a kind of two row cylinder muffler assembly according to claim 2, it is characterized in that, the import of described short suction tude (5) and the import of progress tracheae (6) are all placed on end cap (9), described short suction tude (5) and progress tracheae (6) are all integrated with end cap (9), and the outlet of described progress tracheae (6) is placed in lower floor through two pieces of dividing plates (1).
6. a kind of two row cylinder muffler assembly according to claim 5, it is characterized in that, described first row cylinder tube (18) is provided with inlet flange (4) with short suction tude (5) joint and second row cylinder tube (17) with progress tracheae (6) joint, described first row cylinder tube (18) and second row cylinder tube (17) are integrated with inlet flange (4), described inlet flange (4) is threaded with end cap (9) by pad (16), described first row cylinder tube (18) is provided with exhaust flange (19) with the joint of first row cylinder, described second row cylinder tube (17) is also provided with exhaust flange (19) with the joint of second row cylinder, gusset plate (20) is provided with between described first row cylinder tube (18) and second row cylinder tube (17).
7. a kind of two row cylinder muffler assembly according to claim 2, it is characterized in that, the side of described shell (7) is provided with screw thread mounting bracket (13), described thermal baffle (15) is connected with screw thread mounting bracket (13) by clamping bolt (25), described end cap (9) top is provided with silencing apparatus folder (11), described silencing apparatus folder (11) is connected with thermal baffle (15) by clamping bolt (25), and described thermal baffle (15) is gone up and is positioned at tail pipe (12) place and is provided with reinforcing cover (8).
8. a kind of two row cylinder muffler assembly according to claim 7, it is characterized in that, described silencing apparatus folder (11) top is provided with support (22), described support (22) presss from both sides (11) by fixing bolt (26) and set screw nut (28) with silencing apparatus and removably connects, described support (22) one end is provided with substrate (21), described substrate (21) is provided with backplate (23), and described backplate (23) is placed in the top of second row cylinder tube (17).
9. a kind of two row cylinder muffler assembly according to claim 2 or 7 or 8, it is characterized in that, the outside of described shell (7) and the side relative with thermal baffle (15) is provided with undercarriage (14), described undercarriage (14) is provided with low mounting bracket (24), and described low mounting bracket (24) and undercarriage (14) removably connect.
10. a kind of two row cylinder muffler assembly according to claim 1 or 2 or 7 or 8, it is characterized in that, described thermal baffle (15) is provided with some radiation holes, described radiation hole is provided with the turnover panel of outwards turnover, the angle of described turnover panel and thermal baffle (15) be less than 90 degree and turnover panel on thermal baffle (15) towards downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410172201.XA CN104074572B (en) | 2014-04-28 | 2014-04-28 | A kind of two row cylinder muffler assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410172201.XA CN104074572B (en) | 2014-04-28 | 2014-04-28 | A kind of two row cylinder muffler assembly |
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| Publication Number | Publication Date |
|---|---|
| CN104074572A CN104074572A (en) | 2014-10-01 |
| CN104074572B true CN104074572B (en) | 2016-04-27 |
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| CN201410172201.XA Expired - Fee Related CN104074572B (en) | 2014-04-28 | 2014-04-28 | A kind of two row cylinder muffler assembly |
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| CN (1) | CN104074572B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201288598Y (en) * | 2008-05-12 | 2009-08-12 | 宝鸡市巨腾工贸有限公司 | Titanium alloy muffler |
| EP2110522A1 (en) * | 2008-04-15 | 2009-10-21 | F. lli Bastelli snc di Bastelli Paolo, Bastelli Claudio & C. | Silencer for high suppression of exhaust noise |
| CN202937339U (en) * | 2012-08-31 | 2013-05-15 | 浙江吉利汽车研究院有限公司杭州分公司 | Novel silencer casing |
| CN203081539U (en) * | 2012-11-30 | 2013-07-24 | 重庆市北碚区枫火机械制造有限公司 | Horizontal type silencer |
| CN203835498U (en) * | 2014-04-28 | 2014-09-17 | 宁波亿超消音科技有限公司 | Silencer assembly for double-rowed air cylinder |
-
2014
- 2014-04-28 CN CN201410172201.XA patent/CN104074572B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2110522A1 (en) * | 2008-04-15 | 2009-10-21 | F. lli Bastelli snc di Bastelli Paolo, Bastelli Claudio & C. | Silencer for high suppression of exhaust noise |
| CN201288598Y (en) * | 2008-05-12 | 2009-08-12 | 宝鸡市巨腾工贸有限公司 | Titanium alloy muffler |
| CN202937339U (en) * | 2012-08-31 | 2013-05-15 | 浙江吉利汽车研究院有限公司杭州分公司 | Novel silencer casing |
| CN203081539U (en) * | 2012-11-30 | 2013-07-24 | 重庆市北碚区枫火机械制造有限公司 | Horizontal type silencer |
| CN203835498U (en) * | 2014-04-28 | 2014-09-17 | 宁波亿超消音科技有限公司 | Silencer assembly for double-rowed air cylinder |
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| CN104074572A (en) | 2014-10-01 |
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