CN203849017U - Anti-sandstorm performance test device - Google Patents
Anti-sandstorm performance test device Download PDFInfo
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- CN203849017U CN203849017U CN201420250257.8U CN201420250257U CN203849017U CN 203849017 U CN203849017 U CN 203849017U CN 201420250257 U CN201420250257 U CN 201420250257U CN 203849017 U CN203849017 U CN 203849017U
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- sand
- blower fan
- air
- dust
- chamber
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- 238000011056 performance test Methods 0.000 title claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 96
- 239000004576 sand Substances 0.000 claims abstract description 86
- 238000012360 testing method Methods 0.000 claims abstract description 55
- 238000003756 stirring Methods 0.000 claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000000087 stabilizing effect Effects 0.000 abstract 3
- 239000002245 particle Substances 0.000 description 25
- 238000001914 filtration Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 206010044565 Tremor Diseases 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
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Abstract
The utility model relates to an anti-sandstorm performance test device, which comprises at least one tested piece, and a sand feeding machine, a stirring fan, a pressure stabilizing box, a test box and a dust collecting box connected in sequence. The wind outlet side of the stirring fan is communicated with the pressure stabilizing box via a wind channel so as to blow sand grains in the sand feeding machine in the pressure stabilizing box. The tested pieces are arranged inside the test box. According to the anti-sandstorm performance test device, various sandstorm environments can be simulated, the problem of testing the anti-sandstorm performance of the product in actual use can be solved, and accurate test data are provided for the anti-sandstorm effects of the product.
Description
Technical field
The utility model relates to a kind of sand and dust test equipment, particularly a kind of test unit that carries out sand-proof performance test for filtration unit.
Background technology
The rail vehicle of operation can run into dusty wind weather unavoidably outside, the vehicle of running at high speed also will inevitably drive the sand and dust of its periphery to kick up, therefore, filter screen, the filter cleaner etc. for filtering sand and dust all installed at the position such as air inlet, fresh wind port of traction blower fan on rail vehicle, ventilation blower, equipment compartment air intake opening, air-conditioning, and in order to ensure the environment in compartment, the side window of motor train unit carriage, front window and the side window etc. of cab all need good sealing.Therefore, in track vehicle production manufacture process, need to carry out to said structure part the test of sand-proof performance, to support product design, for design provides foundation and support, this just needs a set of complete and effective test method and test unit that carries out sand-proof performance test for structural member.
Utility model content
The utility model fundamental purpose is to address the above problem and is not enough, provides one can simulate various wind sand environments, and sand-proof performance test apparatus simple in structure, easy to use.
For achieving the above object, the technical solution of the utility model is:
A kind of sand-proof performance test apparatus, comprise that at least one is by test specimen, also comprise hello the husky machine, stirring blower fan, pressurizer tank, chamber and the disposal box that connect successively, the air side of described stirring blower fan is communicated with described pressurizer tank by air channel in order to the described grains of sand of feeding in husky machine are blown into described pressurizer tank, is describedly arranged in described chamber in order to cover the gas channel between described pressurizer tank and described chamber by test specimen.
Further, arrange one in the bottom of described pressurizer tank from bottom to the inner mixed husky blower fan of drying of described pressurizer tank.
Further, an air draught blower fan for simulating nature air velocity is set in the inside of described chamber, the described inlet side that is arranged on described air draught blower fan by test specimen.
Further, the air intake opening place of described chamber have one be inclined upwardly angle with guiding air-flow enter the guide portion in described chamber with the direction under oblique.
Further, described disposal box comprises casing, on the sidewall of described casing, be provided with air inlet, on the roof of described casing, set out air port, bag dust filter is set between described air inlet and air outlet and takes out dirt blower fan, the bottom of the casing below described bag dust filter arranges collecting box, in a side of described bag dust filter, shake motor is set.
Further, described in to take out dirt blower fan be frequency conversion fan, by Frequency Converter Control.
To sum up content, sand-proof performance test apparatus provided by the utility model, fill up the blank of sand and dust test technical field, solved the validation problem of product sand-proof performance in actual applications, provide accurate test figure to the sand-proof effect that improves product.
In addition, the utility model, by joining husky step, can be simulated the environment in different dusts storm area, makes test findings more accurately with true, simultaneously the utility model is by the step of collecting, separating, realized accurate Calculation by test specimen the filtration efficiency to different size sand and dust particle.
The utility model can be used for being provided with on test tracks vehicle window, blower fan, the motor of filtration unit, the sand-proof performance of various filter cleaners.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model structure of dust figure.
As depicted in figs. 1 and 2, feed husky machine 1, stir blower fan 2, pressurizer tank 3, chamber 4, disposal box 5, the first screen pack 6, the second screen packs 7, air channel 8, bearing 9, mixed husky blower fan 10, air intake opening 11, air draught blower fan 12, connects air channel 13, casing 14, air inlet 15, air outlet 16, bag dust filter 17, takes out dirt blower fan 18, collecting box 19, shake motor 20, frequency converter 21, guide portion 22.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
As shown in Figure 1, a kind of sand-proof performance test apparatus, comprises by test specimen, can be mounted in the window with filtration unit, blower fan, motor and the various filter cleaners etc. on rail vehicle by test specimen.Test unit also comprises hello the husky machine 1, stirring blower fan 2, pressurizer tank 3, chamber 4 and the disposal box 5 that connect successively, can be arranged targetedly according to different products by the quantity of test specimen and installation site.In the present embodiment, select two by test specimen, be respectively 7 points of front and back of the first screen pack 6 and the second screen pack 7, the first screen packs 6 and the second screen pack and arrange, sand and dust filter through the second screen pack 7 after the first screen pack 6 filters again.
Feeding husky machine 1 and can adopt the husky machine of feeding of the prior art, is power drive sand and dust by pressurized air, drives by stepper motor the speed control mechanism that sandblasts, stepper motor is by electric signal, drives to feed to put sand table velocity of rotation, the i.e. number of turns on husky machine 1, and then control the amount of sandblasting size, realize and automatically feed sand.In order as far as possible evenly to sandblast, can arrange as required one or more sets hello husky machines 1.Before sandblasting, according to the air sampling in different dusts storm area, the sand and dust particle of different size is mixed to pack in proportion and feed in husky machine 1, be blown into sand and dust in pressurizer tank 3 and chamber 4 and be mixed sand and dust in proportion, object is the local actual Sand Dust Environment of simulation as far as possible.
The air side of stirring blower fan 2 is communicated with pressurizer tank 3 by air channel 8, stirring blower fan 2 is blown into the grains of sand of feeding in husky machine 1 in pressurizer tank 3, stirring blower fan 2 fixedly mounts on the ground by bearing 9, the frequency axial fan of determining that it is 3000m3/h that stirring blower fan 2 adopts a flow completes, the ejiction opening diameter of feeding husky machine 1 only has 3 centimetres, and blow out with high pressure, stirring blower fan 2 can be by the enlarged areas that sandblasts, be conducive to make to enter sand and dust in pressurizer tank 3 more even, solved to spray into by the sand and dust of test specimen and mixed inhomogeneous, lamination.The wind speed that stirs blower fan 2 is adjustable with the natural wind flow velocity under simulation Different climate condition, stirring blower fan 2 can be arranged on bearing 9 by rotational angle, sandblast at any angle to realize within the scope of 180 degree in left and right and vertical direction, further the Sand Dust Environment under real simulation Different climate condition.
Pressurizer tank 3 is the casing of about 1 cubic metre of left and right; the sand and dust that are blown into by stirring blower fan 2 are in the interior abundant mixing of pressurizer tank 3; but because sand and dust are mixing of the grains of sand of different size; the grains of sand that wherein diameter is larger are under Action of Gravity Field; easily sink downwards; it is more even for sand and dust particle is mixed; in the present embodiment; a mixed husky blower fan 10 is installed in addition in the bottom of pressurizer tank 3 again; mixed husky blower fan 10 adopts that 1000m3/h's determine frequency centrifugal fan; to up-draught, further avoid dust layering that sand and dust freely falling body causes, the phenomenon such as irregular by the bottom of casing.
Pressurizer tank 3 is connected with chamber 4, chamber 4 can be for by test specimen special configuration, the chamber 4 that also can be carried by test specimen, in the present embodiment, the chamber 4 of the special configuration of the filtration efficiency for test the first screen pack 6 and the second screen pack 7, as being installed in parallel in chamber 4 by the first screen pack 6 of test specimen and the second screen pack 7.
In the present embodiment, have one at air intake opening 11 places of chamber 4 and be inclined upwardly angle to guide air-flow to enter the guide portion 22 in chamber 4 with the direction under oblique, between the casing of guide portion 22 and chamber 4, it is one, or also can manufacture separately a guide portion 22, then be fixedly connected with chamber 4.Guide portion 22 stretches to the inside of pressurizer tank 3, guide portion 22 has an angle tilting to chamber 4 directions, guide portion 22 guides air-flow to enter the inside of chamber 4 with the direction under oblique, because major diameter grains of sand weight is heavier, meeting freely falling body in course of injection, falls downwards, lightweight dust sinking speed is slow, can form layering, the grains of sand unevenness producing in order to reduce this phenomenon as far as possible, need to form certain angle under oblique.At the trial, can, according to different by test specimen, guide portion 22 be installed yet, but will directly enter in chamber 4 from the air intake opening of pressurizer tank 3 and chamber 4 junctions containing husky air.
The first screen pack 6 and the second screen pack 7 are installed in parallel in the inside of chamber 4, the first screen pack 6 and the second screen pack 7 cover the gas channel between pressurizer tank 3 and chamber 4, sand and dust filter through the second screen pack 7 after the first screen pack 6 filters again, part sand and dust are stopped by the first screen pack 6 and are bonded on the first screen pack 6, some sand and dust is stopped by the second screen pack 7 and is bonded on the second screen pack 7 again, and remaining sand and dust enters in disposal box 5 through chamber 4.The first screen pack 6 and the second screen pack 7 can be through being arranged in chamber 4 by fixed frame, ensure that all sand and dust particles all filter by the first screen pack 6 and the second screen pack 7.
In the environment of actual Different climate condition, have the air stream with certain flow rate through by test specimen, therefore, sandblast in pressurizer tank 3 by stirring blower fan 2 natural wind simulating flow velocitys, with actual environment with the air stream of speed through by test specimen, make test findings more accurate.For equipment such as ventilation blowers, can use the blower fan carrying as power, flow velocity and flow when simulation real work.But for the first screen pack 6 and the second screen pack 7 etc., do not there is the blower fan carrying, in order comparatively accurately to simulate actual environment, for without blower fan by test specimen, an air draught blower fan 12 is separately set in the inside of chamber 4, air draught blower fan 12 coordinates with stirring blower fan 2, natural wind flow velocity and flow in simulation practical work process, and the first screen pack 6 and the second screen pack 7 are arranged on the inlet side of air draught blower fan 12.
Disposal box 5 is communicated with chamber 4 by connecting air channel 13, and the sand and dust that do not filtered out with the second screen pack 7 by the first screen pack 6 enter in disposal box 5 through being connected air channel 13.As shown in Figure 2, disposal box 5 comprises casing 14, on the sidewall of casing 14, be provided with air inlet 15, on the roof of casing 14, set out air port 16, bag dust filter 17 is set between air inlet 15 and air outlet 16 and takes out dirt blower fan 18, bag dust filter 17 can adopt integral type bag dust filter, also can adopt combination type air filtering system, the bottom of the casing below bag dust filter 17 arranges collecting box 19, in a side of bag dust filter 17, shake motor 20 is set.Take out dirt blower fan 18 for the sand and dust in chamber 4 are aspirated in disposal box 5, when a part of sand and dust process bag dust filter 17, be adsorbed, the sand and dust that only have diameter to be less than 8 microns enter atmosphere from air outlet 16 after bag dust filter 17.After test completes, can be by trembling dirt motor 20 in disposal box 5, the sand and dust that cling on bag dust filter 17 are shaken off in the collecting box 19 under disposal box 5.Take out dirt blower fan 18 and adopt frequency conversion centrifugal blower, control by a frequency converter 21, when bag dust filter 17 sticks dust, after gas-flow resistance increases, air quantity can reduce, in order to keep test air volume constant, need to adjust frequency converter frequency, improve the rotating speed of taking out dirt blower fan 18, increase the power of taking out dirt blower fan 18, thereby improve the pressure head of taking out dirt blower fan 18.
This test unit configures a set of electric control system, this electric control system provides by the required power supply of test specimen, wind regime to meet various device demand, and power supply is AC380 ± 10% (V), and testing maximum air quantity is 12000m3/h, sand and dust grain size is not limit, and sand and dust concentration is not limit.
As shown in Figure 1, describe the test method of this test unit below in detail, specifically comprise the steps:
(1) sieve husky step:
The sand and dust particle of all size, use the filtration of standard sieve, separator well, with different container splendid attires by testing requirements.
(2) join husky step:
According to the sampling in different dusts storm area; calculate the ratio of different size sand and dust particle in sample; generally get part by weight; according to the regulation ratio calculating, the sand and dust parts by weights of dimension is prepared; being placed on one or more sets feeds in husky machine 1; the sand and dust particle preparing is mixed, simulate local Sand Dust Environment as far as possible.
(3) step of installation, the each equipment of joint test platform:
Install successively and feed husky machine 1, stirring blower fan 2, air channel 8, pressurizer tank 3, chamber 4, connect air channel 13, disposal box 5, and the first screen pack 6 and the second screen pack 7 are arranged on to the inside of chamber 4, the first screen pack 6 and the second screen pack 7 cover the gas channel between pressurizer tank 3 and chamber 4, and sand and dust filter through the second screen pack 7 after the first screen pack 6 filters again.
(4) to the step being sandblasted by test specimen;
Start and feed husky machine 1, stirring blower fan 2, mixed husky blower fan 10, air draught blower fan 12 and take out dirt blower fan 18.
Control the rotating speed that stirs blower fan 2, make its natural wind simulating flow velocity, stirring under the effect of blower fan 2, the sand and dust particle preparing is in proportion blown in pressurizer tank 3, now, mixed husky blower fan 10 is to up-draught, and the sand and dust particle that makes to enter in pressurizer tank 3 further mixes, under the effect of air draught blower fan 12, the sand and dust particle in pressurizer tank 3 enters chamber 4 with the natural air flow speed under the actual operating environment of vehicle from the air intake opening 11 of chamber 4.
Part sand and dust particle is filtered by the first screen pack 6, is filtered in the chamber 4 that the sand and dust particle that stops is accumulated in the first screen pack 6 fronts, air intake opening 11 places of chamber 4 and being bonded on the first screen pack 6.A part of sand and dust particle is filtered by the second screen pack 7 again, be filtered in the chamber 4 that the sand and dust particle that stops is accumulated in the second screen pack 7 fronts and be bonded on the second screen pack 7, the sand and dust particle not being filtered enters in disposal box 5 by connecting air channel 13 under the effect of taking out dirt blower fan 18.
Diameter is less than sand and dust air outlet 16 from disposal box 5 after bag dust filter 17 of 8 microns and enters atmosphere, the sand and dust particle that other diameter is larger is attracted on bag dust filter 17, finally by trembling dirt motor 20, the sand and dust that cling on bag dust filter 17 is shaken off in the collecting box 19 under disposal box 5.
(5) by through by the collected step of the sand and dust after test specimen;
Sand and dust particle in collecting box 19 is taken out, and the sand and dust particle of different size is sifted out to separation by standard sieve, be contained in respectively in different containers, and weigh respectively and record weight, in order to calculate by test specimen the filtration efficiency to all size sand and dust.
(6) will be bonded in by test specimen and stopped the step that the sand and dust that get off are collected and weighed by test specimen;
To be bondd by the first screen pack 6 and the second screen pack 7 or stop that the sand and dust particle getting off clears up respectively taking-up, this process will be cleaned out as much as possible, as by the gap at the each position of test specimen, the sand and dust particle that bondd on the surface of test specimen is all clean with brush cleaning, to ensure the accuracy of interpretation of result.
The sand and dust particle of different size is sifted out to separation by standard sieve, be contained in respectively in different containers, and weigh respectively and record weight, in order to calculate by test specimen the filtration efficiency to all size sand and dust.This part can manual operation, different sand and dust is separated with the woven wire sieve of certain specification, also can separate sand and dust particle with the automatic sand sieving machine of sieve of the specification for preparing various requirement.
(7) by each sand dust being bondd by test specimen and stop and total sand dust comparison, calculate each by the step of the filtration efficiency of test specimen:
Sand and dust total amount/total sand dust of filtration efficiency=filtered by test specimen.
Wherein, the sand and dust total amount of being filtered by test specimen, taking the first screen pack 6 as example, for being bonded on the first screen pack 6 and being stopped the general assembly (TW) of the sand and dust particle getting off by the first screen pack 6.
Total sand dust, is placed on the general assembly (TW) of feeding the sand and dust particle in husky machine 1 when joining husky process in proportion, in order to calculate accurately, can also deduct the sand dust of staying pressurizer tank 3 leading portions and be not blown (stir blower fan 2 as stayed and feed in husky machine 1).
Total sand dust, also has a kind of statistical method, that the sand and dust weight in the first collected screen pack 6, the second screen pack 7, collecting box 19 is added, draw total sand dust, but because 8 microns of following sand and dust particles of diameter are directly disposed in atmosphere, cannot collect, total sand dust is understood the loss of some and cannot be calculated.
Total sand dust of this specification sand and dust total amount/this specification of filtration efficiency to a certain specification sand and dust=filtered by test specimen.
As mentioned above, given scheme content, can derive similar technical scheme in conjunction with the accompanying drawings and embodiments.In every case be the content that does not depart from technical solutions of the utility model, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, all still belong in the scope of technical solutions of the utility model.
Claims (6)
1. a sand-proof performance test apparatus, comprise that at least one is by test specimen, it is characterized in that: also comprise hello the husky machine, stirring blower fan, pressurizer tank, chamber and the disposal box that connect successively, the air side of described stirring blower fan is communicated with described pressurizer tank by air channel in order to the described grains of sand of feeding in husky machine are blown into described pressurizer tank, is describedly arranged in described chamber by test specimen.
2. sand-proof performance test apparatus according to claim 1, is characterized in that: arrange one in the bottom of described pressurizer tank from bottom to the inner mixed husky blower fan of drying of described pressurizer tank.
3. sand-proof performance test apparatus according to claim 1, is characterized in that: an air draught blower fan for simulating nature air velocity is set, the described inlet side that is arranged on described air draught blower fan by test specimen in the inside of described chamber.
4. sand-proof performance test apparatus according to claim 1, is characterized in that: the air intake opening place of described chamber has one and is inclined upwardly angle to guide air-flow to enter the guide portion in described chamber with the direction under oblique.
5. sand-proof performance test apparatus according to claim 1, it is characterized in that: described disposal box comprises casing, on the sidewall of described casing, be provided with air inlet, on the roof of described casing, set out air port, bag dust filter is set between described air inlet and air outlet and takes out dirt blower fan, the bottom of the casing below described bag dust filter arranges collecting box, in a side of described bag dust filter, shake motor is set.
6. sand-proof performance test apparatus according to claim 5, is characterized in that: described in to take out dirt blower fan be frequency conversion fan, by Frequency Converter Control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420250257.8U CN203849017U (en) | 2014-05-15 | 2014-05-15 | Anti-sandstorm performance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420250257.8U CN203849017U (en) | 2014-05-15 | 2014-05-15 | Anti-sandstorm performance test device |
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| Publication Number | Publication Date |
|---|---|
| CN203849017U true CN203849017U (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420250257.8U Expired - Lifetime CN203849017U (en) | 2014-05-15 | 2014-05-15 | Anti-sandstorm performance test device |
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| Country | Link |
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| CN (1) | CN203849017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043966A (en) * | 2015-07-31 | 2015-11-11 | 工业和信息化部邮电工业标准化研究所 | Sand and dust test box and operation method thereof |
-
2014
- 2014-05-15 CN CN201420250257.8U patent/CN203849017U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043966A (en) * | 2015-07-31 | 2015-11-11 | 工业和信息化部邮电工业标准化研究所 | Sand and dust test box and operation method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG Co.,Ltd. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR QINGDAO SIFANG LOCOMOTIVE & ROLLING STOCK Co.,Ltd. |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160601 Address after: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Patentee after: CHINA RAILWAY Corp. Patentee after: CRRC QINGDAO SIFANG Co.,Ltd. Address before: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee before: CRRC QINGDAO SIFANG Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140924 |