CN110972539B - Air filter structure of armored vehicle - Google Patents
Air filter structure of armored vehicle Download PDFInfo
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- CN110972539B CN110972539B CN201518009318.1A CN201518009318A CN110972539B CN 110972539 B CN110972539 B CN 110972539B CN 201518009318 A CN201518009318 A CN 201518009318A CN 110972539 B CN110972539 B CN 110972539B
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Abstract
The invention belongs to the technical field of machinery and air filtration, and particularly relates to an air filter structure of an armored vehicle. The air filter can meet the use requirement of 0-3200 m3/h of an armored vehicle engine, continuously works for more than 15 hours in an environment with the dust content of 2g/m3, and can meet the requirements of air inlet flow, resistance and service life on the premise that the air filter meets the use condition requirement of the armored vehicle. Meanwhile, the double-stage one-stage filter and the double-sealing air filter element are adopted, so that the double-stage one-stage air filter is high in reliability, simple to disassemble and convenient to maintain.
Description
Technical Field
The invention belongs to the technical field of machinery and air filtration, and particularly relates to an air filter structure of an armored vehicle.
Background
The air filter is important equipment for ensuring the reliable work of the vehicle engine, and is used for filtering dust and particulate matters in air inlet of the engine to prevent the particulate matters from entering the engine to cause the damage of the engine. Tests show that if the vehicle runs without an air filter, when the dust content is 3g/m3, parts of the engine piston assembly are worn to the limit after 15-20 hours.
The armored vehicle as a special-purpose vehicle has the following characteristics: firstly, armored vehicles often work in complex environment working conditions, such as severe environments like desert, plateau, gobi and the like, and therefore, an air filter is required to be capable of meeting the use requirements of various environments; secondly, as a special vehicle, the armored vehicle often has multiple purposes, so that the space is compressed as much as possible on the premise that the air filter meets the performance use requirement, and the space is saved for other fighting, protection and power components; thirdly, the air filter of the armored vehicle needs to have good maintainability, is convenient to maintain, reduces the workload of workers and reduces the maintenance time.
Disclosure of Invention
Technical problem to be solved
The technical problem to be solved by the invention is as follows: how to provide an armoured vehicle air cleaner structure, guaranteeing that air cleaner satisfies under the prerequisite of armoured vehicle service condition demand, can realize inlet flow, resistance, life-span demand, guarantee simple, reliable of structure simultaneously, be convenient for maintain the maintenance.
(II) technical scheme
To solve the above technical problems, the present invention provides an armored vehicle air cleaner structure, comprising: the filter comprises a straight-through two-stage one-stage filter 1, a two-stage filter shell 7 with a sealing function air outlet, and two trapezoidal air filter elements with oblique paper pleat structures; wherein, the two trapezoidal air filter elements are divided into an upper air filter element 8 and a lower air filter element 9; the upper air filter element 8 and the lower air filter element 9 form a secondary filter;
the two-stage one-stage filter 1 adopts a two-stage series-connection straight-through type cyclone pipe, and the two-stage series-connection straight-through type cyclone pipe is structurally set as ①, the length of the single-stage straight-through type cyclone pipe is 90mm, the diameter of the single-stage straight-through type cyclone pipe is 40mm, ②, outlets of the first-stage cyclone pipe correspond to inlets of the second-stage cyclone pipe one by one, and the two-stage straight-through type cyclone pipe is formed in a series connection mode;
the upper air filter element 8 and the lower air filter element 9 are arranged in a manner that ① two air filter elements are completely same in trapezoidal structure and are arranged in a vertical horizontal mode, ② paper pleats of the two air filter elements are all in an inclined structure, when the air filter is placed horizontally, the paper pleats incline from the far end of an air outlet to the near end of the air outlet along the direction of an air inlet face of the two-stage one-stage filter 1, the inclination angle of ③ paper pleats is 30-60 degrees, the proportion of ④ air filter element height L2 to width L1 is 4/5-1, the proportion of ⑤ air filter element outlet area to filter element external air inlet area 2, L1 and L2 is 1/8-1/4, the proportion of ⑥ air filter element single piece thickness d to filter element air outlet height h is 1/2-3/5, the front end face of ⑦ air filter element is formed by PU glue in a foaming mode and is in interference fit with the air outlet of the front end face of the second-stage filter shell 7, and the interference range is 1-1.;
the rear end of the secondary filter shell 7 is provided with an upper row and a lower row of air filter element pressing and fixing structures which are completely the same, and the two rows of air filter element pressing and fixing structures are divided into an upper air filter element pressing and fixing structure for fastening an upper air filter element 9 and a lower air filter element pressing and fixing structure for fastening a lower air filter element 10; go up air filter element and compress tightly fixed knot structure includes: an upper filter element pressure plate 13 and an upper air filter element fixing supporting plate 11; lower air filter compresses tightly fixed knot and constructs includes: a lower filter element pressure plate 14 and a lower air filter element fixing supporting plate 12; the upper air filter element fixing supporting plate 11 is used for supporting the upper air filter element 9, and the upper filter element pressure plate 13 is used for compressing the upper air filter element 9 on the upper air filter element fixing supporting plate 11 to ensure that the upper air filter element is fastened in the secondary filter shell 7; the lower air filter element fixing supporting plate 12 is used for supporting the lower air filter element 10, and the lower filter element pressure plate 14 is used for compressing the upper air filter element 10 on the lower air filter element fixing supporting plate 12 so as to be fastened in the secondary filter shell 7; a partition plate is arranged on the end face of the front end of the secondary filter shell 7, two air outlets which are arranged up and down are arranged on the partition plate, the protruding length A of each air outlet is 13-16 mm, the protruding length A of each air outlet forms interference fit with the air outlets of the front end face of the air filter element, and the interference magnitude is 1.5-2 mm.
(III) advantageous effects
The invention provides an armored vehicle air filter which can meet the use requirement of an armored vehicle engine at 0-3200 m3/h, continuously works for more than 15 hours in an environment with dust content of 2g/m3, and can meet the requirements of air inlet flow, resistance and service life on the premise of ensuring that the air filter meets the use working condition requirement of an armored vehicle. Meanwhile, the double-stage one-stage filter and the double-sealing air filter element are adopted, so that the double-stage one-stage air filter is high in reliability, simple to disassemble and convenient to maintain.
Drawings
Fig. 1 is a view of the air cleaner as viewed from the air outlet position.
Fig. 2 is a top view of the air cleaner.
Fig. 3 is a view of the air cleaner as viewed from the primary filter intake.
Fig. 4 is an oblique view of the air cleaner.
Fig. 5 is an exploded view of the air cleaner.
Fig. 6 is a sectional view of the mounting structure.
Fig. 7 is a schematic view of the flow of external gas.
Fig. 8 is a schematic view of the internal gas flow.
Fig. 9 is an air filter cartridge size labeling.
Fig. 10 is a cross-sectional view of an air filter cartridge.
Description of the symbols:
1-two-stage one-stage filter;
2-the dust exhaust port of the first stage filter;
3-the dust exhaust port of the first-stage filter of the second stage;
4-anti-explosion valve;
5-secondary filter assembly;
6-connecting the secondary filter assembly with the anti-explosion valve;
7-secondary filter housing;
8-cover plate of the secondary filter shell;
9-upper air filter element;
10-lower air filter element;
11-fixing the supporting plate for the upper air filter element;
12-lower air filter element fixing support plate;
13-upper cartridge platen;
14-lower filter element pressure plate;
and 15, a filter element pressure plate guide stud.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
To solve the problems of the prior art, the present invention provides an armored vehicle air cleaner configuration, as shown in fig. 1-10, comprising: the filter comprises a straight-through two-stage one-stage filter 1, a two-stage filter shell 7 with a sealing function air outlet, and two trapezoidal air filter elements with oblique paper pleat structures; wherein, the two trapezoidal air filter elements are divided into an upper air filter element 8 and a lower air filter element 9; the upper air filter element 8 and the lower air filter element 9 form a secondary filter;
the two-stage one-stage filter 1 adopts a two-stage series-connection straight-through type cyclone pipe, and the two-stage series-connection straight-through type cyclone pipe is structurally set as ①, the length of the single-stage straight-through type cyclone pipe is 90mm, the diameter of the single-stage straight-through type cyclone pipe is 40mm, ②, outlets of the first-stage cyclone pipe correspond to inlets of the second-stage cyclone pipe one by one, and the two-stage straight-through type cyclone pipe is formed in a series connection mode;
the upper air filter element 8 and the lower air filter element 9 are arranged in a manner that ① two air filter elements are completely same in trapezoidal structure and are arranged in a vertical horizontal mode, ② paper pleats of the two air filter elements are all in an inclined structure, when the air filter is placed horizontally, the paper pleats incline from the far end of an air outlet to the near end of the air outlet along the direction of an air inlet face of the two-stage one-stage filter 1, the inclination angle of ③ paper pleats is 30-60 degrees, the proportion of ④ air filter element height L2 to width L1 is 4/5-1, the proportion of ⑤ air filter element outlet area to filter element external air inlet area 2, L1 and L2 is 1/8-1/4, the proportion of ⑥ air filter element single piece thickness d to filter element air outlet height h is 1/2-3/5, the front end face of ⑦ air filter element is formed by PU glue in a foaming mode and is in interference fit with the air outlet of the front end face of the second-stage filter shell 7, and the interference range is 1-1.;
the rear end of the secondary filter shell 7 is provided with an upper row and a lower row of air filter element pressing and fixing structures which are completely the same, and the two rows of air filter element pressing and fixing structures are divided into an upper air filter element pressing and fixing structure for fastening an upper air filter element 9 and a lower air filter element pressing and fixing structure for fastening a lower air filter element 10; go up air filter element and compress tightly fixed knot structure includes: an upper filter element pressure plate 13 and an upper air filter element fixing supporting plate 11; lower air filter compresses tightly fixed knot and constructs includes: a lower filter element pressure plate 14 and a lower air filter element fixing supporting plate 12; the upper air filter element fixing supporting plate 11 is used for supporting the upper air filter element 9, and the upper filter element pressure plate 13 is used for compressing the upper air filter element 9 on the upper air filter element fixing supporting plate 11 to ensure that the upper air filter element is fastened in the secondary filter shell 7; the lower air filter element fixing supporting plate 12 is used for supporting the lower air filter element 10, and the lower filter element pressure plate 14 is used for compressing the upper air filter element 10 on the lower air filter element fixing supporting plate 12 so as to be fastened in the secondary filter shell 7; a partition plate is arranged on the end face of the front end of the secondary filter shell 7, two air outlets which are arranged up and down are arranged on the partition plate, the protruding length A of each air outlet is 13-16 mm, the protruding length A of each air outlet forms interference fit with the air outlets of the front end face of the air filter element, and the interference magnitude is 1.5-2 mm.
In the working process:
1. air filter installation and disassembly maintenance
The installation sequence of the air filter is as follows: the second-stage filter housing 7 → the lower air filter element fixing support plate 12 → the lower air filter element 10 → the upper air filter element fixing support plate 11 → the upper air filter element 9 → the two-stage first-stage filter 1 → the second-stage filter housing cover plate 8 → the second-stage filter assembly and the explosion-proof valve connecting pipeline 6 → the explosion-proof valve 4.
1.1 two-stage Filter housing 7 mounting
The secondary filter housing 7 is first placed horizontally in the position shown in fig. 3.
1.2 lower air filter element fixing supporting plate 12 installation
1.3 lower air filter cartridge 10 installation
Firstly, after the lower air filter element 10 is horizontally placed, the air outlet end corresponds to the air outlet of the second-stage filter shell 7, then the tail end of the lower air filter element 10 is attached to the lower air filter element fixing supporting plate 12, the air outlet of the lower air filter element 10 is pushed into the air outlet of the second-stage filter shell 7 slightly forcibly, then two lower filter element pressing plates 14 are fastened by a wrench, the air outlet end face of the lower air filter element 10 is completely attached to a partition plate of the second-stage filter shell 7, stress application is stopped, and the installation of the lower air filter element 10 is completed.
The rear end of the ① secondary filter shell is an upper-lower row air filter element pressing and fixing structure which is composed of an air filter element pressing plate and an air filter element fixing supporting plate, the ② shell air outlet partition plate is provided with two air outlets which are arranged up and down, the protruding length A of each air outlet is 13-16 mm, the protruding length A of each air outlet is in interference fit with an air outlet on the front end face of the air filter element, the interference magnitude is 1.5-2 mm, when the ③ air filter element is placed, the rear end of the air filter element is placed on the fixing supporting plate, meanwhile, the lower air filter element 10 has the following characteristics that the front end face of the air filter element is formed by foaming PU glue and is in interference fit with the air outlet of the partition plate of the secondary filter shell, and the interference magnitude is 1-1.5 mm, so that the air filter element can be easily pushed into the air outlet of the.
1.4 mounting of the upper air filter element fixing supporting plate 11 and the upper air filter element 9
The steps of mounting the upper air filter element fixing support plate 11 and the upper air filter element 9 are the same as those of mounting the lower air filter element fixing support plate 12 and the lower air filter element 10.
1.5 two-stage one-stage Filter 1 installation
The two-stage one-stage filter 1 is put into a two-stage filter shell 7 fixed in a two-stage one-stage filter frame according to the position shown in the figure 4 and is fastened by bolts.
1.6 Secondary Filter housing cover plate 8
The secondary filter housing cover plate 8 is placed in the flange surface of the secondary filter housing 7 fixed to the secondary filter housing cover plate 8 according to the position shown in fig. 4, and is fastened by bolts.
1.7 two-stage filter assembly, anti-explosion valve connecting pipeline 6 and anti-explosion valve 4
The second-stage filter assembly and the anti-explosion valve connecting pipeline 6 are connected with the air outlet of the second-stage filter shell 7 according to the position shown in figure 4 and are fastened by a clamp.
And then the anti-explosion valve 4 is connected with the secondary filter assembly and the anti-explosion valve connecting pipeline 6 according to the position shown in figure 4 and is fastened by a clamp.
1.7 disassembly and maintenance of air Filter
In the use process of the air filter, the air filter can be recovered to be normally used only by taking out the air filter element regularly and then purging the air filter for maintenance.
The disassembly sequence of the air filter element is as follows: the second-stage filter case cover plate 8 → the upper air filter element 9 → the upper air filter element fixing bracket 11 → the lower air filter element 10 → the lower air filter element fixing bracket 12.
The removal of the air filter element is performed in accordance with a reverse operation of the air filter element installation.
2. Working process of air filter
The operation of the air cleaner is shown in fig. 7 and 8.
Fig. 7 shows the filtered air entering the two-stage one-stage filter 1, and the air filtered by the two-stage one-stage filter 1 enters the two-stage filter assembly 5. The particulate matters separated by the two-stage one-stage filter 1 are discharged from the dust discharge port. Fig. 8 shows that after the gas is filtered by the two-stage one-stage filter 1, the gas enters the two-stage filter assembly 5 and is deeply filtered by the upper air filter element 9 and the lower air filter element 10 respectively.
The two-stage one-stage filter 1 adopts two-stage series-connection straight-through cyclone tubes, and is structurally characterized in that ① single-stage straight-through cyclone tubes are 90mm in length and 40mm in diameter, ② two stages are formed by connecting outlets of the first-stage cyclone tubes and the second-stage cyclone tubes in series in a one-to-one correspondence mode, a ③ first-stage cyclone tube dust extraction cavity and a second-stage cyclone tube dust extraction cavity are completely isolated, each stage independently extracts dust, ④ each dust extraction tube is provided with a one-way valve, one end of ⑤ two-stage one-stage filter 1 is flush with a rear end face of a two-stage filter assembly 5 (viewed from an air inlet direction of the one-stage filter), a structural horizontal center (viewed from the air inlet direction of the one-stage filter 1, an air outlet is flush with installation center positions of two trapezoidal filter elements), and a distance between the ⑥ two-stage one-stage filter 1 and the trapezoidal filter elements is 1/3-2/3 which is the length of the single-stage cyclone tubes, so that the cyclone tube elements of the one-stage filter 1 and the trapezoidal filter elements can be guaranteed to uniformly discharge cyclone tube elements, the efficiency of the two-stage one-stage filter elements can be stably stabilized at 95% -.
When dust-containing air flowing into the two air filter elements passes through the filter element filter material, small particles are filtered and separated again, the two air filter element structures have the characteristics that ① air filter elements are of a trapezoidal structure, the two air filter elements are arranged in an up-and-down horizontal mode, ② air filter element paper pleats are of an inclined structure, when the air filter is placed horizontally, the paper pleats incline from the far end of an air outlet to the near end of the air outlet, the inclination angle of ③ paper pleats is 30-60 degrees, the ratio of the height L2 to the width L1 of an ④ air filter element is 4/5-1, the ratio of the outlet area of a ○ air filter element to the air inlet area (2. L1. L2) of the filter element shape is 1/8-1/4, the ratio of the thickness d of a ⑤ air single filter element to the height h of the filter element is 1/2-3/5, the front end face of the air filter element of an armored filter element is formed by foaming PU glue, the baffle of a secondary air filter element is in interference fit with the interference amount of 1-1.5 mm, meanwhile, the rear end of the air filter element is 1/2-3/5, the optimal filter element air filter element, the filter element is the optimal filter element bottom cavity of an optimal filter element bottom of a, the trapezoidal filter element structure, the filter element structure of the filter element structure is adaptive to the filter element structure, the air filter element structure, the optimal filter element structure of an optimal.
The dust content of the gas filtered by the air filter element is lower than 0.2 percent (the measuring efficiency by a weighing method), and the gas enters the air inlet of the engine through an external pipeline, so that the reliable work of the engine is ensured.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (1)
1. An armored vehicle air cleaner arrangement, comprising: the filter comprises a straight-through type two-stage one-stage filter (1), a second-stage filter shell (7) with a sealing function air outlet, and two trapezoidal air filter elements with oblique paper pleat structures; wherein, the two trapezoidal air filter elements are divided into an upper air filter element (8) and a lower air filter element (9); the upper air filter element (8) and the lower air filter element (9) form a secondary filter;
① single-stage through type cyclone tube is 90mm in length and 40mm in diameter, ② first-stage cyclone tube outlets correspond to inlets of second-stage cyclone tubes one to one, and a two-stage through type cyclone tube is formed in a series connection mode, ③ first-stage cyclone tubes are completely isolated from dust extraction cavities of the second-stage cyclone tubes, each stage independently extracts dust, ④ each dust extraction tube is provided with a one-way valve, ⑤ is parallel and level to the rear end face of a second-stage filter shell (7) along the direction of a first-stage filter air inlet, the structural horizontal center of the two-stage first-stage filter (1) is parallel and level to the mounting center positions of an upper air filter element (8) and a lower air filter element (9), and ⑥ the interval between the two-stage first-stage filter (1) and the second-stage filter formed by the upper air filter element (8) and the lower air filter element (9) is 1/3-2/3 of the length of the single-stage cyclone tubes;
the upper air filter element (8) and the lower air filter element (9) are arranged in a manner that ① two air filter elements are of completely same trapezoid structures and are arranged in an up-and-down horizontal mode, ② paper pleats of the two air filter elements are of oblique structures, when the air filter is placed horizontally, the paper pleats incline from the far end of an air outlet to the near end of the air outlet along the direction of an air inlet face of the two-stage one-stage filter (1), the inclination angle of ③ paper pleats is 30-60 degrees, the proportion of the height L2 to the width L1 of the ④ air filter element is 4/5-1, the proportion of the outlet area of the ⑤ air filter element to the air inlet area 2, L1 and L2 of the filter element is 1/8-1/4, the proportion of the thickness d of a single-piece filter material of the ⑥ air filter element to the height h of the filter element is 1/2-3/5, the front end face of the ⑦ air filter element is molded by PU foam adhesive and is in interference fit with the air outlet of the front end face of a second;
the rear end of the secondary filter shell (7) is provided with an upper row and a lower row of air filter element pressing and fixing structures which are completely the same, and the upper row and the lower row of air filter element pressing and fixing structures are divided into an upper air filter element pressing and fixing structure for fastening an upper air filter element (9) and a lower air filter element pressing and fixing structure for fastening a lower air filter element (10); go up air filter element and compress tightly fixed knot structure includes: an upper filter element pressure plate (13) and an upper air filter element fixing supporting plate (11); lower air filter compresses tightly fixed knot and constructs includes: a lower filter element pressure plate (14) and a lower air filter element fixing supporting plate (12); the upper air filter element fixing supporting plate (11) is used for supporting the upper air filter element (9), and the upper filter element pressing plate (13) is used for compressing the upper air filter element (9) on the upper air filter element fixing supporting plate (11) so as to be fastened in the secondary filter shell (7); the lower air filter element fixing supporting plate (12) is used for supporting the lower air filter element (10), and the lower filter element pressing plate (14) is used for compressing the upper air filter element (10) on the lower air filter element fixing supporting plate (12) so as to be fastened in the secondary filter shell (7); a partition plate is arranged on the front end face of the secondary filter shell (7), two air outlets which are arranged up and down are arranged on the partition plate, the protruding length A of each air outlet is 13-16 mm, the protruding length A of each air outlet forms interference fit with the air outlets on the front end face of the air filter element, and the interference magnitude is 1.5-2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201518009318.1A CN110972539B (en) | 2015-12-11 | 2015-12-11 | Air filter structure of armored vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201518009318.1A CN110972539B (en) | 2015-12-11 | 2015-12-11 | Air filter structure of armored vehicle |
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| CN110972539B true CN110972539B (en) | 2018-12-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761923A (en) * | 2019-10-30 | 2020-02-07 | 中国北方车辆研究所 | Air filter with compact structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761923A (en) * | 2019-10-30 | 2020-02-07 | 中国北方车辆研究所 | Air filter with compact structure |
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