CN113933198A - Sand dust test device - Google Patents
Sand dust test device Download PDFInfo
- Publication number
- CN113933198A CN113933198A CN202111183294.2A CN202111183294A CN113933198A CN 113933198 A CN113933198 A CN 113933198A CN 202111183294 A CN202111183294 A CN 202111183294A CN 113933198 A CN113933198 A CN 113933198A
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- Prior art keywords
- box
- dust
- fixedly connected
- test
- filter
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- 239000000428 dust Substances 0.000 title claims abstract description 153
- 239000004576 sand Substances 0.000 title claims abstract description 76
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000007789 sealing Methods 0.000 claims description 20
- 238000000605 extraction Methods 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 9
- 239000008187 granular material Substances 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 4
- 238000007790 scraping Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
- G01N3/565—Investigating resistance to wear or abrasion of granular or particulate material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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- B08B1/12—
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
Abstract
The invention relates to the technical field of testing devices, in particular to a sand dust testing device; the device comprises a test box, a filter box, a dust outlet mechanism, a circulating mechanism, a driving shaft, a first filter screen, a driving gear, a first motor, a driven shaft, a second filter screen and a driven gear; pumping the sand dust in the test box into the filter box through the circulating mechanism, filtering the sand dust through the first filter screen, and then guiding the sand dust into the test box through the dust outlet mechanism to test a product to be tested; the driving shaft can be driven to rotate by the first motor, the driving shaft drives the first filter screen and the driving gear to rotate, the driving gear drives the driven gear and the second filter screen to rotate, and at the moment, the sand and dust in the filter box are filtered by the second filter screen and then are pumped into the test box; because first filter screen mesh number is different with the second filter screen mesh number, can filter the sand and dust granule that the volume is different, and then can test the product that awaits measuring to the wearability and the leakproofness of different volume sand and dust granules.
Description
Technical Field
The invention relates to the technical field of testing devices, in particular to a sand dust testing device.
Background
The sand dust test device is used for simulating sand dust environment to test samples, and mainly simulates the damage of sand dust storm weather to products such as locks, steam friction parts, sealing elements and power instruments, but the existing sand dust test device directly sprays sand dust to the products to be tested to test the sand dust particles, and the sizes of the sand dust particles are different, so that the abrasion resistance of the products to be tested to the sand dust particles with different volumes cannot be measured, the sealing performance of the products to be tested to the sand dust particles with different volumes cannot be measured, and further the test data is not comprehensive.
Disclosure of Invention
The invention aims to provide a sand dust test device which can test the abrasion resistance and the sealing property of a product to be tested on sand dust particles with different volumes.
In order to achieve the purpose, the invention provides a sand-dust test device which comprises a test box, a filter box, a dust outlet mechanism, a circulating mechanism, a driving shaft, a first filter screen, a driving gear, a first motor, a driven shaft, a second filter screen and a driven gear, wherein the filter box is arranged on the test box; the filter box is fixedly connected with the test box and is positioned above the test box; the dust outlet mechanism is fixedly connected with the test box, is respectively communicated with the test box and the filter box, and is positioned above the test box; the circulating mechanism is fixedly connected with the test box, is respectively communicated with the test box and the filter box and is positioned on the side edge of the test box; the driving shaft is rotatably connected with the filter box and penetrates through the filter box; the first filter screen is fixedly connected with the driving shaft and is positioned in the filter box; the driving gear is fixedly connected with the driving shaft and is positioned at one end of the driving shaft, which is far away from the filter box; the first motor is fixedly connected with the filter box, and the output end of the first motor is fixedly connected with the driving shaft and is positioned on the side edge of the filter box; the driven shaft is rotatably connected with the filter box and penetrates through the filter box; the second filter screen is fixedly connected with the driven shaft and is positioned in the filter box; the driven gear and the driven shaft are fixedly connected, meshed with the driving gear and located at one end, far away from the filter box, of the driven shaft.
The filter box comprises a shell, a discharge hopper and a flow control assembly; the shell is fixedly connected with the test box and is positioned above the test box; the discharge hopper is fixedly connected with the shell, is communicated with the dust outlet mechanism and is positioned between the shell and the dust outlet mechanism; the flow control assembly is fixedly connected with the shell and is positioned inside the shell.
Through go out the hopper be convenient for sand and dust by go out the extraction of dirt mechanism, through the subassembly can be flowed to the accuse and the velocity of flow when flowing in the play hopper can be controlled to the sand and dust.
The flow control assembly comprises a rotating shaft, a second motor and a baffle; the rotating shaft is rotatably connected with the shell and is positioned in the shell; the second motor is fixedly connected with the shell, and the output end of the second motor is fixedly connected with the rotating shaft and is positioned on the side edge of the shell; the baffle with pivot fixed connection to be located the pivot is kept away from second motor one end.
Through the second motor can drive the pivot is rotatory, the pivot drives the baffle is rotatory, through the baffle can be right go out the hopper and shelter from, control dust flow extremely the velocity of flow when going out in the hopper.
The dust outlet mechanism comprises a first fan and a spray pipe; the first fan is fixedly connected with the test box, is communicated with the discharge hopper and is positioned between the test box and the discharge hopper; the spray pipe and the first fan are fixedly connected and communicated and are positioned inside the test box.
Can extract through first fan the dust in the play hopper to with the leading-in blowout in the spray tube of dust, thereby in simulation dust environment in the proof box.
The circulating mechanism comprises a second fan, a dust extraction pipe and a dust conveying pipe; the second fan is fixedly connected with the test box and is positioned on the side edge of the test box; the dust extraction pipe is fixedly connected and communicated with the test box and the second fan respectively and is positioned between the test box and the second fan; the dust conveying pipe is fixedly connected and communicated with the second fan and the shell respectively and is positioned between the second fan and the shell.
The sand and dust at the bottom of the test box can be extracted through the second fan and guided into the shell through the dust conveying pipe, so that the sand and dust can be recycled.
The test box comprises a box body, a door plate, a support table and a dust hopper; the box body is fixedly connected with the shell and is positioned below the shell; the door plate is hinged with the box body and is positioned on the side edge of the box body; the supporting platform is fixedly connected with the box body and is positioned in the box body; the dust collecting hopper is fixedly connected with the box body, communicated with the dust extraction pipe and positioned in the box body.
A product to be tested can be placed on the support table, and the box body can be sealed through the door plate; the dust collecting hopper can collect sand and dust.
The door plate comprises hinges, a sealing plate and an observation window; the hinge is hinged with the box body and is positioned on the side edge of the box body; the sealing plate is hinged with the hinge and is positioned on one side of the hinge, which is far away from the box body; the observation window is fixedly connected with the sealing plate and is positioned on the side edge of the sealing plate.
The sealing plate can rotate through the hinge, and the box body can be closed through rotating the sealing plate; through the observation window can the person of facilitating the use observe the test condition in the box.
According to the sand-dust test device, the mesh number of the first filter screen is different from that of the second filter screen, and sand dust is filled in the test box; when the device is used, a product to be tested is placed in the test box, sand and dust in the test box are pumped into the filter box by opening the circulating mechanism, the sand and dust fall to the bottom of the filter box after being filtered by the first filter screen, and the sand and dust in the filter box are guided into the test box by the dust outlet mechanism, so that the abrasion resistance and the sealing property of the product to be tested are tested; the sand and dust guided into the test box by the dust outlet mechanism can fall to the bottom of the test box again, and are extracted again by the circulating mechanism for recycling; the driving shaft can be driven to rotate by starting the first motor, the driving shaft drives the first filter screen to rotate until the first filter screen rotates to be vertical to the ground, the driving gear can also be driven to rotate by the rotation of the driving shaft, the driving gear drives the driven gear to rotate, the driven gear drives the driven shaft and the second filter screen to rotate, so that the second filter screen rotates to be parallel to the ground, and at the moment, the sand dust entering the filter box can be filtered by the second filter screen and then is pumped into the test box by the dust outlet mechanism; because first filter screen mesh number with the second filter screen mesh number is different to can filter the different sand and dust granule of volume, make the sand and dust granule volume in the sand and dust environment of the product that awaits measuring of test unanimous, and then can test the product that awaits measuring to the wearability and the leakproofness of different volume sand and dust granules, make test data more comprehensive.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic structural view of a dust testing apparatus according to the present invention;
FIG. 2 is another schematic structural view of a sand and dust test apparatus according to the present invention;
FIG. 3 is an elevational cross-sectional view of a sand test apparatus of the present invention;
FIG. 4 is a cross-sectional side view of a sand test apparatus of the present invention;
FIG. 5 is a schematic diagram of the structure of a test chamber of the present invention;
FIG. 6 is a front sectional view of a test chamber of the present invention.
1-test box, 2-filter box, 3-dust outlet mechanism, 4-circulation mechanism, 5-driving shaft, 6-first filter screen, 7-driving gear, 8-first motor, 9-driven shaft, 10-second filter screen, 11-driven gear, 12-box body, 13-door panel, 14-support table, 15-dust collection hopper, 16-dust collection mechanism, 21-shell, 22-discharge hopper, 23-flow control component, 31-first fan, 32-spray pipe, 41-second fan, 42-dust collection pipe, 43-dust collection pipe, 231-rotating shaft, 232-second motor, 233-baffle, 131-hinge, 132-sealing plate, 133-observation window, 161-electric push rod, 162-cleaning brush, 1621-hollow column, 1622-spring, 1623-connecting column, 1624-brush.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout.
Referring to fig. 1 to 6, the present invention provides a sand and dust testing apparatus: the sand-dust test device comprises a test box 1, a filter box 2, a dust outlet mechanism 3, a circulating mechanism 4, a driving shaft 5, a first filter screen 6, a driving gear 7, a first motor 8, a driven shaft 9, a second filter screen 10 and a driven gear 11; the filter box 2 is fixedly connected with the test box 1 and is positioned above the test box 1; the dust outlet mechanism 3 is fixedly connected with the test box 1, is respectively communicated with the test box 1 and the filter box 2, and is positioned above the test box 1; the circulating mechanism 4 is fixedly connected with the test box 1, is respectively communicated with the test box 1 and the filter box 2, and is positioned on the side edge of the test box 1; the driving shaft 5 is rotatably connected with the filter box 2 and penetrates through the filter box 2; the first filter screen 6 is fixedly connected with the driving shaft 5 and is positioned inside the filter box 2; the driving gear 7 is fixedly connected with the driving shaft 5 and is positioned at one end of the driving shaft 5 far away from the filter box 2; the first motor 8 is fixedly connected with the filter box 2, and the output end of the first motor 8 is fixedly connected with the driving shaft 5 and is positioned on the side edge of the filter box 2; the driven shaft 9 is rotatably connected with the filter box 2 and penetrates through the filter box 2; the second filter screen 10 is fixedly connected with the driven shaft 9 and is positioned inside the filter box 2; the driven gear 11 and the driven shaft 9 are fixedly connected, meshed with the driving gear 7 and located at one end, far away from the filter box 2, of the driven shaft 9.
In the embodiment, the mesh number of the first filter screen 6 is different from that of the second filter screen 10, and sand dust is filled in the test box 1; when the device is used, a product to be tested is placed in the test box 1, sand dust in the test box 1 is pumped into the filter box 2 by opening the circulating mechanism 4, the sand dust is filtered by the first filter screen 6 and then falls to the bottom of the filter box 2, and the sand dust in the filter box 2 is guided into the test box 1 by the dust outlet mechanism 3, so that the abrasion resistance and the sealing property of the product to be tested are tested; the sand and dust guided into the test chamber 1 by the dust outlet mechanism 3 fall to the bottom of the test chamber 1 again, and are extracted again by the circulating mechanism 4 for recycling; the driving shaft 5 can be driven to rotate by starting the first motor 8, the driving shaft 5 drives the first filter screen 6 to rotate until the first filter screen 6 rotates to be vertical to the ground, the driving gear 7 can be driven to rotate by the rotation of the driving shaft 5, the driving gear 7 drives the driven gear 11 to rotate, the driven gear 11 drives the driven shaft 9 and the second filter screen 10 to rotate, so that the second filter screen 10 rotates to be parallel to the ground, at the moment, the sand dust entering the filter box 2 can be filtered by the second filter screen 10, and then the sand dust is pumped into the test box 1 by the dust outlet mechanism 3; because 6 meshes of first filter screen are different with 10 meshes of second filter screen to can filter the different sand and dust particles of volume, make the sand and dust particle volume in the sand and dust environment of the product that awaits measuring of test unanimous, and then can test the product that awaits measuring to the wearability and the leakproofness of different volume sand and dust particles, make test data more comprehensive.
The filter box 2 comprises a shell 21, a discharge hopper 22 and a flow control assembly 23; the shell 21 is fixedly connected with the test box 1 and is positioned above the test box 1; the discharge hopper 22 is fixedly connected with the shell 21, is communicated with the dust outlet mechanism 3, and is positioned between the shell 21 and the dust outlet mechanism 3; the flow control assembly 23 is fixedly connected with the housing 21 and is located inside the housing 21.
In this embodiment, through circulation mechanism 4 can be with the sand and dust leading-in extremely in the casing 21, the sand and dust can drop after filtering extremely go out in the hopper 22, through go out hopper 22 be convenient for the sand and dust quilt go out the extraction of dirt mechanism 3, through accuse stream subassembly 23 can control the sand and dust flow extremely the velocity of flow when going out in the hopper 22, thereby can change go out dirt mechanism 3 with the sand and dust leading-in speed when test box 1, and then can simulate different sand and dust environment, let test data more comprehensive.
The flow control assembly 23 comprises a rotating shaft 231, a second motor 232 and a baffle 233; the rotating shaft 231 is rotatably connected with the housing 21 and is positioned inside the housing 21; the second motor 232 is fixedly connected with the housing 21, and an output end of the second motor 232 is fixedly connected with the rotating shaft 231 and is positioned at the side edge of the housing 21; the baffle 233 is fixedly connected to the rotating shaft 231 and is located at one end of the rotating shaft 231, which is far away from the second motor 232.
In this embodiment, through second motor 232 can drive pivot 231 is rotatory, pivot 231 drives baffle 233 is rotatory, through baffle 233 can right go out hopper 22 shelters from, changes go out the opening size of hopper 22, control dust flow extremely the velocity of flow when going out in the hopper 22 to can change go out dirt mechanism 3 with the sand and dust leading-in speed when test box 1, and then can simulate different sand and dust environment, make test data more comprehensive.
The dust outlet mechanism 3 comprises a first fan 31 and a spray pipe 32; the first fan 31 is fixedly connected with the test box 1, is communicated with the discharge hopper 22 and is positioned between the test box 1 and the discharge hopper 22; the spray pipe 32 is fixedly connected and communicated with the first fan 31 and is positioned inside the test box 1.
In the present embodiment, the first fan 31 can draw the dust in the hopper 22 and introduce the dust into the nozzle 32 to be ejected, thereby simulating a dust environment in the test chamber 1.
The circulating mechanism 4 comprises a second fan 41, a dust extraction pipe 42 and a dust conveying pipe 43; the second fan 41 is fixedly connected with the test box 1 and is positioned on the side edge of the test box 1; the dust exhaust pipe 42 is fixedly connected and communicated with the test chamber 1 and the second fan 41 respectively, and is positioned between the test chamber 1 and the second fan 41; the dust conveying pipe 43 is fixedly connected and communicated with the second fan 41 and the housing 21, and is located between the second fan 41 and the housing 21.
In the present embodiment, the second fan 41 can draw the sand and dust at the bottom of the test chamber 1 and introduce the sand and dust into the housing 21 through the dust duct 43, so that the sand and dust can be recycled.
The test box 1 comprises a box body 12, a door plate 13, a support table 14 and a dust collection hopper 15; the box body 12 is fixedly connected with the shell 21 and is positioned below the shell 21; the door plate 13 is hinged with the box body 12 and is positioned on the side of the box body 12; the supporting platform 14 is fixedly connected with the box body 12 and is positioned inside the box body 12; the dust collecting hopper 15 is fixedly connected with the box body 12, communicated with the dust extraction pipe 42 and positioned inside the box body 12.
In this embodiment, a product to be tested can be placed on the supporting table 14, and the supporting table 14 is provided with a plurality of through holes for passing through sand and dust; the box body 12 can be closed through the door plate 13, so that sand and dust are prevented from flowing out; the dust collecting hopper 15 can collect the dust and sand, so that the second fan 41 can draw the dust and sand conveniently.
The test chamber 1 further comprises a plurality of dust scraping mechanisms 16; the box body 12 is fixedly connected with the shell 21 and is positioned below the shell 21; the door plate 13 is hinged with the box body 12 and is positioned on the side of the box body 12; the supporting platform 14 is fixedly connected with the box body 12 and is positioned inside the box body 12; the dust collecting hopper 15 is fixedly connected with the box body 12, communicated with the dust extraction pipe 42 and positioned inside the box body 12; the plurality of dust scraping mechanisms 16 are respectively and fixedly connected with the box body 12 and are respectively positioned inside the box body 12.
In this embodiment, a product to be tested can be placed on the supporting table 14, and the supporting table 14 is provided with a plurality of through holes for passing through sand and dust; the box body 12 can be closed through the door plate 13, so that sand and dust are prevented from flowing out; the dust collection hopper 15 can collect the sand and dust, so that the second fan 41 can draw the sand and dust conveniently; the dust scraping mechanisms 16 can scrape off the sand and dust adhering to the inner wall of the casing 12.
The dust scraping mechanism 16 comprises an electric push rod 161 and a cleaning brush 162; the electric push rod 161 is fixedly connected with the box body 12 and is positioned above the box body 12; the cleaning brush 162 is fixedly connected with the electric push rod 161 and is located inside the box 12.
In this embodiment, the electric push rod 161 can drive the cleaning brush 162 to reciprocate, and the cleaning brush 162 can scrape off the sand and dust attached to the inner wall of the housing 12.
The cleaning brush 162 comprises a hollow column 1621, a spring 1622, a connecting column 1623 and a brush 1624; the hollow column 1621 is fixedly connected with the electric push rod 161 and is positioned inside the box body 12; the spring 1622 is fixedly connected with the hollow column 1621 and is positioned inside the hollow column 1621; the connecting column 1623 is fixedly connected with the spring 1622 and is positioned on one side of the spring 1622 far away from the hollow column 1621; the brush 1624 is fixedly connected to the connecting column 1623 and is located at one end of the connecting column 1623 far away from the spring 1622.
In this embodiment, the electric push rod 161 can drive the hollow column 1621 to reciprocate, the hollow column 1621 drives the connecting column 1623 and the brush 1624 to reciprocate, and the brush 1624 can scrape off the sand and dust attached to the inner wall of the box 12; through the spring 1622 to the pushing action of spliced pole 1623 for brush 1624 can with box 12 inner wall supports tightly, thereby improves the effect that the sand and dust scraped off.
The door panel 13 comprises a hinge 131, a sealing plate 132 and a viewing window 133; the hinge 131 is hinged with the box body 12 and is positioned on the side edge of the box body 12; the sealing plate 132 is hinged with the hinge 131 and is positioned on one side of the hinge 131 away from the box body 12; the viewing window 133 is fixedly connected to the sealing plate 132 and is located at a side of the sealing plate 132.
In the present embodiment, the hinge 131 allows the seal plate 132 to rotate, and the seal plate 132 rotates to close the box 12, thereby preventing dust and sand from leaking; the observation window 133 can facilitate the user to observe the test condition in the box 12.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A sand dust test device is characterized in that,
the sand-dust test device comprises a test box, a filter box, a dust outlet mechanism, a circulating mechanism, a driving shaft, a first filter screen, a driving gear, a first motor, a driven shaft, a second filter screen and a driven gear; the filter box is fixedly connected with the test box and is positioned above the test box; the dust outlet mechanism is fixedly connected with the test box, is respectively communicated with the test box and the filter box, and is positioned above the test box; the circulating mechanism is fixedly connected with the test box, is respectively communicated with the test box and the filter box and is positioned on the side edge of the test box; the driving shaft is rotatably connected with the filter box and penetrates through the filter box; the first filter screen is fixedly connected with the driving shaft and is positioned in the filter box; the driving gear is fixedly connected with the driving shaft and is positioned at one end of the driving shaft, which is far away from the filter box; the first motor is fixedly connected with the filter box, and the output end of the first motor is fixedly connected with the driving shaft and is positioned on the side edge of the filter box; the driven shaft is rotatably connected with the filter box and penetrates through the filter box; the second filter screen is fixedly connected with the driven shaft and is positioned in the filter box; the driven gear and the driven shaft are fixedly connected, meshed with the driving gear and located at one end, far away from the filter box, of the driven shaft.
2. A dust test apparatus as claimed in claim 1,
the filter box comprises a shell, a discharge hopper and a flow control assembly; the shell is fixedly connected with the test box and is positioned above the test box; the discharge hopper is fixedly connected with the shell, is communicated with the dust outlet mechanism and is positioned between the shell and the dust outlet mechanism; the flow control assembly is fixedly connected with the shell and is positioned inside the shell.
3. A dust test apparatus as claimed in claim 2,
the flow control assembly comprises a rotating shaft, a second motor and a baffle; the rotating shaft is rotatably connected with the shell and is positioned in the shell; the second motor is fixedly connected with the shell, and the output end of the second motor is fixedly connected with the rotating shaft and is positioned on the side edge of the shell; the baffle with pivot fixed connection to be located the pivot is kept away from second motor one end.
4. A dust test apparatus according to claim 3,
the dust outlet mechanism comprises a first fan and a spray pipe; the first fan is fixedly connected with the test box, is communicated with the discharge hopper and is positioned between the test box and the discharge hopper; the spray pipe and the first fan are fixedly connected and communicated and are positioned inside the test box.
5. A dust test apparatus according to claim 4,
the circulating mechanism comprises a second fan, a dust extraction pipe and a dust conveying pipe; the second fan is fixedly connected with the test box and is positioned on the side edge of the test box; the dust extraction pipe is fixedly connected and communicated with the test box and the second fan respectively and is positioned between the test box and the second fan; the dust conveying pipe is fixedly connected and communicated with the second fan and the shell respectively and is positioned between the second fan and the shell.
6. A dust test apparatus according to claim 5,
the test box comprises a box body, a door plate, a support table and a dust hopper; the box body is fixedly connected with the shell and is positioned below the shell; the door plate is hinged with the box body and is positioned on the side edge of the box body; the supporting platform is fixedly connected with the box body and is positioned in the box body; the dust collecting hopper is fixedly connected with the box body, communicated with the dust extraction pipe and positioned in the box body.
7. A dust test apparatus according to claim 6,
the door plate comprises hinges, a sealing plate and an observation window; the hinge is hinged with the box body and is positioned on the side edge of the box body; the sealing plate is hinged with the hinge and is positioned on one side of the hinge, which is far away from the box body; the observation window is fixedly connected with the sealing plate and is positioned on the side edge of the sealing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111183294.2A CN113933198A (en) | 2021-10-11 | 2021-10-11 | Sand dust test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111183294.2A CN113933198A (en) | 2021-10-11 | 2021-10-11 | Sand dust test device |
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| Publication Number | Publication Date |
|---|---|
| CN113933198A true CN113933198A (en) | 2022-01-14 |
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| CN202111183294.2A Pending CN113933198A (en) | 2021-10-11 | 2021-10-11 | Sand dust test device |
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