CN201896636U - Fire truck turbojet engine outer cover device - Google Patents
Fire truck turbojet engine outer cover device Download PDFInfo
- Publication number
- CN201896636U CN201896636U CN201020584656XU CN201020584656U CN201896636U CN 201896636 U CN201896636 U CN 201896636U CN 201020584656X U CN201020584656X U CN 201020584656XU CN 201020584656 U CN201020584656 U CN 201020584656U CN 201896636 U CN201896636 U CN 201896636U
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- heat insulation
- input part
- air input
- turbojet engine
- fire
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Abstract
The utility model relates to a fire truck turbojet engine outer cover device, which is provided with a framework and a barrel-shaped cover casing. The front end of the fire truck turbojet engine outer cover device is open; a turbojet engine is arranged on the back of an inner cavity of the cover casing; the cover casing consists of a heat insulation noise reducing portion, an upper air inlet portion and a rear air inlet portion; the heat insulation noise reducing portion is arranged on the lower portion, the left side and the right side of the cover casing; the upper end of the heat insulation noise reducing portion is connected with the upper air inlet portion so that a cylindrical casing with two open ends is formed; the rear end of the heat insulation noise reducing portion is connected with the rear air inlet portion; the rear air inlet portion forms a rear peripheral casing and a rear end face casing of the cover casing; the heat insulation noise reducing portion is made of multilayer materials by means of overlapping; and both the upper air inlet portion and the rear air inlet portion are made of metal meshes. By the aid of the heat insulation noise reducing casing, the fire truck turbojet engine outer cover device ensures that the outer wall of the cover casing is not affected by high temperature, and is capable of effectively reducing noise and reasonable in design. An aluminum orifice plate and rock wool are used for heat insulation so that heat insulation effect is ideal; a noise reducing layer made of PPC (propene polymer copolymer) orifice plates is capable of effectively reducing noise by 20 decibels; and wings and a tail wing capable of increasing air inlet area are arranged on the back of the device, so that appearance is beautiful, and the device is ingenious in design and has higher practicability.
Description
Technical field
The utility model relates to a kind of fire-fighting truck parts, particularly a kind of fire-fighting truck turbojet engine external hood apparatus external.
Background technique
Turbojet fire engine is with the power of aero gas turbine engine as spray fire extinguishing agent, and it is installed on the automobile chassis, disposes water tank, foamite extinguisher case, the water pump of conventional fire-fighting truck.Turbojet engine produces 4000 kilowatts injection capacity, it is carrier with the high-speed gas jet, making flow is that 80 liters/second direct current water and high-speed gas jet clashes in accelerator, produce " gas-thin water smoke " jet (or " gas-foam-ultra-fine dry powder extinguishing agent " jet) of big flow, realized the remote of bigger serface extinguishing agent, high-intensity injection, effectively bulk range can reach 60～80 meters, moment can cover 200 square metres scene of a fire area, flame extinguishing ability than conventional fire-fighting truck exceeds 8～10 times, and power-mass ratio is greater than 100 kilowatts/ton.Turbojet fire engine is to have the thin water smoke of injection of injection capacity maximum of the ability of running at high speed or the fire-fighting truck of compound fire-extinguishing agent in the world, in airport and oil field fire-fighting, give play to huge fire extinguishing power, be mainly used in the place that oil field, petrochemical factory, rock gas pumping plant, airport etc. need be put out the oil gas big fire fast.It is shorter that the turbojet engine technology is used on the fire-fighting truck history, because turbojet engine power is powerful, can produces a large amount of high temperature and high pressure gas, and be sprayed with paint on the general outer casing surface, and surface paint can be burnt when running into high temperature.If with the body of stainless steel outer cover then cost is very high, and manufacture difficulty is big, and the spray pattern is also easily burnt on the surface.Sound is very big during turbojet engine work simultaneously, allows the people be difficult to accept, and is a key issue that needs to be resolved hurrily to the turbojet engine noise reduction.
The model utility content
The purpose of this utility model provides a kind of heat insulation, soundproof effect fire-fighting truck turbojet engine external hood apparatus external preferably.
The technological scheme that realizes the utility model purpose is: a kind of fire-fighting truck turbojet engine external hood apparatus external, have skeleton and barrel-shaped over body case, front opening, turbojet engine is arranged on the rear portion of over body case inner chamber, described over body case is by heat insulation noise reduction unit, last air input part and back air input part are formed, heat insulation noise reduction unit is arranged on the bottom and the left and right sides of over body case, the upper end is connected with last air input part, form the barrel-type casing of both ends open, the rear end connects the back air input part, and back air input part constitutes the rear portion peripheral envelope and the ear end face housing of over body case, forms complete over body case, heat insulation noise reduction unit is formed by stacking by multilayer material, and last air input part and back air input part constitute by wire netting.
The heat insulation noise reduction unit of above-mentioned fire-fighting truck turbojet engine external hood apparatus external is made of heat insulation aluminum layer, heat insulation foam layer and the noise reduction layer arranged from inside to outside successively.
The heat insulation aluminium sheet of the heat insulation aluminum layer of above-mentioned fire-fighting truck turbojet engine external hood apparatus external is an orifice plate, and thickness is 1mm, even distribution phi 15mm aperture, and distance is 200mm between the Kong Yukong.
The heat insulation foam of the heat insulation foam layer of above-mentioned fire-fighting truck turbojet engine external hood apparatus external is the high-quality rock wool, and rock wool thickness is 40～60mm, and it is soft that rock wool keeps; The noise reduction layer be thickness between 30～50mm, the even PPC orifice plate of distribution phi 12mm tapered openings.
The wire netting of the last air input part of above-mentioned fire-fighting truck turbojet engine external hood apparatus external and back air input part is a stainless (steel) wire.
The heat insulation noise reduction unit of above-mentioned fire-fighting truck turbojet engine external hood apparatus external, go up air input part and the air input part outside, back all coats steel shell, steel shell and last air input part and the back air input part corresponding part vent that evenly distributes.
The over body case of above-mentioned fire-fighting truck turbojet engine external hood apparatus external is pre-small post-large cone barrel type, and back air inlet subordinate portion both sides are provided with wing, and top is provided with the rudder T tail, and empennage is a stainless (steel) wire.
The utlity model has positive effect: (1) the utility model adopts heat insulation noise-reduction case, has guaranteed that the case outer wall is not subjected to temperatures involved, can effectively reduce noise simultaneously, and is reasonable in design; (2) the utility model heat insulation employing aluminium orifice plate and rock wool, the effect of heat insulation ideal; (3) the utility model noise reduction layer adopts the PPC orifice plate, can effectively reduce by 20 decibels; (4) wing and empennage are adopted in the utility model rear portion, and be handsome in appearance, and the stainless (steel) wire empennage can increase the air inlet area simultaneously, designs ingeniously, has advantages of high practicability.
Description of drawings
Content of the present utility model is easier to be expressly understood in order to make, and according to specific embodiment also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the utility model schematic representation;
Schematic representation when Fig. 2 is the observation of Fig. 1 top;
The schematic representation of Fig. 3 when to be that Fig. 1 is right-hand observe;
Fig. 4 is the heat insulation noise reduction unit generalized section of the utility model.
Embodiment
See Fig. 1 to Fig. 4, the utlity model has skeleton and pre-small post-large cone barrel type over body case, front opening, turbojet engine is arranged on the rear portion of over body case inner chamber, over body case is by heat insulation noise reduction unit 1, last air input part 2 and back air input part 3 are formed, heat insulation noise reduction unit 1 is arranged on the bottom and the left and right sides of over body case, promptly encase both sides from bottom to top, the upper end is connected with last air input part 2, form the awl cylinder shell of both ends open, the rear end connects back air input part 3, back air input part 3 constitutes the rear portion peripheral envelope and the ear end face housing of over body case, form complete over body case, last air input part 2 is a stainless (steel) wire, both sides, back air input part 3 bottom are provided with wing 31, top is provided with rudder T tail 32, empennage 32 is a stainless (steel) wire, the stainless (steel) wire of last air input part 2 and back air input part 3 is fixedly connected on the skeleton, heat insulation noise reduction unit 1 is formed by stacking by multilayer material, by the heat insulation aluminum layer of arranging from inside to outside successively 11, heat insulation foam layer 12 and noise reduction layer 13 constitute, the heat insulation aluminium sheet of wherein heat insulation aluminum layer 11 is an orifice plate, thickness is 1mm, even distribution phi 15mm aperture, distance is 200mm between the Kong Yukong, and the heat insulation foam of heat insulation foam layer 12 is the high-quality rock wool, and rock wool thickness is 40～60mm, it is soft that rock wool keeps, and noise reduction layer 13 is that thickness is between 30～50mm, the PPC orifice plate of even distribution phi 12mm tapered openings; Heat insulation noise reduction unit 1, go up air input part 2 and air input part 3 outsides, back all coat steel shell 4, steel shell 4 and last air input part 2 and air input part 3 corresponding parts, the back vent 41 that evenly distributes.
Above-described specific embodiment; the purpose of this utility model, technological scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. fire-fighting truck turbojet engine external hood apparatus external, have skeleton and barrel-shaped over body case, front opening, turbojet engine is arranged on the rear portion of over body case inner chamber, it is characterized in that: described over body case is by heat insulation noise reduction unit (1), last air input part (2) and back air input part (3) are formed, heat insulation noise reduction unit (1) is arranged on the bottom and the left and right sides of over body case, the upper end is connected with last air input part (2), form the barrel-type casing of both ends open, the rear end connects back air input part (3), back air input part (3) constitutes the rear portion peripheral envelope and the ear end face housing of over body case, form complete over body case, heat insulation noise reduction unit (1) is formed by stacking by multilayer material, and last air input part (2) and back air input part (3) constitute by wire netting.
2. a kind of fire-fighting truck turbojet engine external hood apparatus external according to claim 1 is characterized in that: described heat insulation noise reduction unit (1) is made of the heat insulation aluminum layer of arranging from inside to outside successively (11), heat insulation foam layer (12) and noise reduction layer (13).
3. a kind of fire-fighting truck turbojet engine external hood apparatus external according to claim 2, it is characterized in that: the heat insulation aluminium sheet of described heat insulation aluminum layer (11) is an orifice plate, thickness is 1mm, even distribution phi 15mm aperture, distance is 200mm between the Kong Yukong.
4. a kind of fire-fighting truck turbojet engine external hood apparatus external according to claim 2, it is characterized in that: the heat insulation foam of described heat insulation foam layer (12) is the high-quality rock wool, and rock wool thickness is 40～60mm, and it is soft that rock wool keeps; Noise reduction layer (13) be thickness between 30～50mm, the even PPC orifice plate of distribution phi 12mm tapered openings.
5. a kind of fire-fighting truck turbojet engine external hood apparatus external according to claim 1 is characterized in that: the described wire netting of going up air input part (2) and back air input part (3) is a stainless (steel) wire.
6. a kind of fire-fighting truck turbojet engine external hood apparatus external according to claim 1, it is characterized in that: described heat insulation noise reduction unit (1), go up air input part (2) and back air input part (3) outside all coats steel shell (4), steel shell (4) and last air input part (2) and after air input part (3) the corresponding part vent (41) that evenly distributes.
7. according to one of them described a kind of fire-fighting truck turbojet engine external hood apparatus external of claim 1 to 6, it is characterized in that: described over body case is pre-small post-large cone barrel type, back air input part (3) both sides, bottom are provided with wing (31), and top is provided with rudder T tail (32), and empennage (32) is a stainless (steel) wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020584656XU CN201896636U (en) | 2010-11-01 | 2010-11-01 | Fire truck turbojet engine outer cover device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020584656XU CN201896636U (en) | 2010-11-01 | 2010-11-01 | Fire truck turbojet engine outer cover device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201896636U true CN201896636U (en) | 2011-07-13 |
Family
ID=44254548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020584656XU Expired - Lifetime CN201896636U (en) | 2010-11-01 | 2010-11-01 | Fire truck turbojet engine outer cover device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201896636U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454435A (en) * | 2010-11-01 | 2012-05-16 | 江苏卡威专用汽车制造有限公司 | Housing device for turbojet engine of fire engine |
| CN102563667A (en) * | 2011-12-23 | 2012-07-11 | 中国航天科技集团公司第六研究院第十一研究所 | Turbojet injecting incineration device and incineration method |
-
2010
- 2010-11-01 CN CN201020584656XU patent/CN201896636U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454435A (en) * | 2010-11-01 | 2012-05-16 | 江苏卡威专用汽车制造有限公司 | Housing device for turbojet engine of fire engine |
| CN102454435B (en) * | 2010-11-01 | 2014-07-09 | 江苏卡威专用汽车制造有限公司 | Housing device for turbojet engine of fire engine |
| CN102563667A (en) * | 2011-12-23 | 2012-07-11 | 中国航天科技集团公司第六研究院第十一研究所 | Turbojet injecting incineration device and incineration method |
| CN102563667B (en) * | 2011-12-23 | 2015-04-08 | 中国航天科技集团公司第六研究院第十一研究所 | Turbojet injecting incineration device and incineration method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110713 Effective date of abandoning: 20140709 |
|
| RGAV | Abandon patent right to avoid regrant |