CN213492582U - Dust falling device for sand warehouse - Google Patents
Dust falling device for sand warehouse Download PDFInfo
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- CN213492582U CN213492582U CN202022391378.2U CN202022391378U CN213492582U CN 213492582 U CN213492582 U CN 213492582U CN 202022391378 U CN202022391378 U CN 202022391378U CN 213492582 U CN213492582 U CN 213492582U
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- pipeline
- dust
- sleeve
- fixing plate
- suction fan
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- 239000000428 dust Substances 0.000 title claims abstract description 91
- 239000004576 sand Substances 0.000 title claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 239000007921 spray Substances 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
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Abstract
The utility model relates to a dust device for sand storehouse, it is including hanging the first tuber pipe of establishing at the sand storehouse top, first tuber pipe is arranged along sand storehouse length direction, first tuber pipe is connected with a plurality of second tuber pipe towards the direction in the sand storehouse, the end connection of second tuber pipe has a suction hood, the subaerial fan that is provided with of sand storehouse one end, the one end of first tuber pipe and the air intake connection of suction fan, the air outlet department of suction fan is provided with a dust bag, be equipped with the quick detach mechanism who is used for connecting dust bag and suction fan between dust bag and the suction fan air outlet. This application has the effect that reduces artifical watering and automatic water spray dust fall and bring the secondary harm.
Description
Technical Field
The utility model belongs to the technical field of grit warehouse dust removal facility and specifically relates to a dust device for sand storehouse is related to.
Background
Sandstone refers to loose mixture of sand and gravel, and much dust can be mixed in the sandstone, so the sandstone is often stacked in a sand warehouse at present, and workers can conveniently use a sandstone vehicle to transport the sandstone in a centralized manner.
When the grit car is driven and is transported the grit in the sand storehouse, the dust that is mingled with in the grit often can drift to form the raise dust in the air, and the harm of raise dust to people is very big, is in the raise dust environment for a long time and will cause diseases such as pneumoconiosis.
In the current measures for treating raised dust in sand depots, a mode of manual water spraying or automatic water spraying is generally used, and dust is deposited on the ground by utilizing the adsorbability of water, so that the aim of dust fall is fulfilled.
In view of the above-mentioned related art, the inventors consider that turbid water mist formed by water droplets and dust is easily formed in the air by manual sprinkling and automatic sprinkling, and such turbid water mist also has a great harm to human body.
SUMMERY OF THE UTILITY MODEL
In order to avoid using the secondary harm that artifical watering or automatic water spray dust fall brought, this application provides a dust device for sand storehouse.
The application provides a dust device for sand storehouse adopts following technical scheme:
the utility model provides a dust device for sand storehouse, including hanging the first tuber pipe of establishing at the sand storehouse top, first tuber pipe is arranged along sand storehouse length direction, first tuber pipe is connected with a plurality of second tuber pipe towards the direction in the sand storehouse, the end connection of second tuber pipe has a suction hood, the subaerial fan that is provided with of sand storehouse one end, the one end of first tuber pipe and the air intake connection of suction fan, the air outlet department of suction fan is provided with a dust bag, be equipped with the quick detach mechanism who is used for connecting dust bag and suction fan between dust bag and the suction fan air outlet.
Through adopting above-mentioned technical scheme, when having the raise dust in the sand storehouse, the staff can open the suction fan, makes the air of suction hood opening part and raise dust together pass through in second tuber pipe, first tuber pipe and the suction fan enters into the dust bag, and the raise dust is stayed in the dust bag under the filtration of dust bag to reduce the raise dust in the sand storehouse and collect the raise dust, avoided using the secondary harm that manual watering or automatic water spray dust fall brought.
Optionally, the quick-release mechanism comprises a first pipeline fixed to the air outlet of the suction fan and a second pipeline fixed to the opening of the dust bag, when the dust bag is connected to the air outlet of the suction fan, the first pipeline is sleeved outside the second pipeline, the outer wall of the second pipeline is attached to the inner wall of the first pipeline, and a fixing assembly used for fixing the first pipeline and the second pipeline to each other is arranged on the first pipeline.
Through adopting above-mentioned technical scheme, when the raise dust of collecting in the needs are handled, the staff only need open fixed subassembly and remove the reciprocal anchorage of first pipeline and second pipeline, later can pull out the second pipeline from first pipeline through the mode of plug, realize the alternate segregation of dust bag and suction fan, simple structure is reasonable, and the staff of being convenient for operates.
Optionally, a constant head tank has been seted up to the second pipeline lateral wall, a positioning hole that uses with the constant head tank cooperation has been seted up to the first pipeline lateral wall, fixed subassembly includes one end open-ended sleeve, and sleeve opening one end rigid coupling is on the lateral wall of first pipeline, and a slip through-hole has been seted up to the sleeve diapire, slides along the sleeve axial in the sleeve and is connected with a locating lever, and when first pipeline and second pipeline pegged graft each other, the one end of locating lever is passed positioning hole and is blocked and establish into in the constant head tank, and the locating lever other end passes telescopic slip through-hole, global rigid coupling of locating lever has a limiting plate, and the limiting plate is located the sleeve, still overlaps on the locating lever to be equipped with a compression spring, and compression spring.
Through adopting above-mentioned technical scheme, when first pipeline and second pipeline peg graft each other, the limiting plate moves towards first pipeline direction under compression spring's elastic action to make the locating lever insert simultaneously in positioning hole and the constant head tank, establish through the mutual card of locating lever and constant head tank, realize the reciprocal anchorage of first pipeline and second pipeline, and then realize the interconnect of dust bag and suction fan, simple structure card establishes stably, has improved the installation effectiveness of staff to the dust bag.
Optionally, a plurality of and the outer communicating spout of sleeve have been seted up on the sleeve diapire, the spout still communicates each other with the through-hole that slides, the locating lever rotates with the through-hole that slides and is connected, and each rigid coupling in the position of every spout of global correspondence of locating lever has a slider, and the slider is located the limiting plate and deviates from one side of first pipeline, and when locating lever and locating groove broke away from each other, the slider was located one side that the sleeve deviates from first pipeline.
Through adopting above-mentioned technical scheme, when dismantling in advancing first pipeline with the second piping erection or from first pipeline, the staff can pull the one end that the first pipeline was kept away from to the locating lever, make compression spring elastic compression, it deviates from first sheathed tube one side to be located the sleeve completely until the slider, then rotate the locating lever, make slider and spout dislocation each other and mutual card establish, thereby make the staff need not to pull the locating lever always, make things convenient for the staff to carry out other operations, improve first pipeline and second pipeline ann and tear efficiency open.
Optionally, the outer side wall of the second pipeline is fixedly connected with a ring plate, and when the first pipeline and the second pipeline are fixed to each other, an elastic cushion is clamped between the ring plate and the first pipeline.
Through adopting above-mentioned technical scheme, the design of cushion through the produced inseparable laminating effect of cushion elastic compression, reduces the possibility of gas leakage between first pipeline and the second pipeline to improve the leakproofness between first pipeline and the second pipeline, make dust bag can be better collect the raise dust.
Optionally, the ring plate includes a first fixing plate and a second fixing plate fixedly connected to the first fixing plate, a plane where the first fixing plate is located is perpendicular to a central line of the second pipeline, the second fixing plate is located on one side of the first fixing plate facing the port of the second pipeline, when the first pipeline and the second pipeline are fixed to each other, the second fixing plate is sleeved on the outer side wall of the first pipeline, and the elastic pad is clamped between the second fixing plate and the outer wall of the first pipeline.
Through adopting above-mentioned technical scheme, make the annular cover of cushion establish on first pipeline outer wall to press from both sides and establish between second fixed plate and first pipeline outer wall, reduce cushion and crown plate and first pipeline and slide because of probable second pipeline and first pipeline and cause the untight condition of laminating to take place, further improvement first pipeline and the sealing performance between the second pipeline.
Optionally, the elastic pad is attached to the inner wall of the second fixing plate, and a chamfer is formed on the edge of the inner side, deviating from the first fixing plate, of the elastic pad.
Through adopting above-mentioned technical scheme, make the staff when inserting the second pipeline in the first pipeline, along with the staff lasts to promote the second pipeline, the cushion is changeed to press from both sides and is established between second fixed plate and first pipeline under the guide effect of its chamfer, and then has improved the fixed efficiency of first pipeline and second pipeline.
Optionally, the cross sections of the first pipeline and the second pipeline are both square and annular, and the four outer side walls of the second pipeline are respectively provided with one positioning groove.
Through adopting above-mentioned technical scheme, when the second pipeline was pegged graft each other with first pipeline, made the staff can insert first pipeline with the second pipeline with arbitrary angle to reduced the time that locating lever and constant head tank place face align, improved holistic installation effectiveness.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the secondary harm caused by manual sprinkling or automatic sprinkling for dust reduction is avoided, when the raised dust exists in the sand warehouse, the suction fan can be opened by a worker, so that the air at the opening of the dust hood and the raised dust enter the dust collecting bag through the second air pipe, the first air pipe and the suction fan together, and the raised dust is filtered by the dust collecting bag and is left in the dust collecting bag, so that the raised dust in the sand warehouse is reduced and collected;
2. the efficiency of staff to the installation of dust bag is improved, when first pipeline and second pipeline peg graft each other, the limiting plate moves towards first pipeline direction under compression spring's elastic action to make the locating lever insert simultaneously in positioning hole and the constant head tank, establish through the mutual card of locating lever and constant head tank, realize the reciprocal anchorage of first pipeline and second pipeline, and then realize the interconnect of dust bag and suction fan, simple structure card establishes stably.
Drawings
FIG. 1 is a schematic structural diagram of a dust settling device installed in a sand silo according to an embodiment of the application;
FIG. 2 is a schematic view showing a quick release mechanism;
FIG. 3 is a cross-sectional view embodying the inside of a first conduit and a second conduit;
FIG. 4 is a schematic structural view embodying a securing assembly and a sealing assembly;
fig. 5 is a schematic structural view showing the cooperation of the slide block and the slide groove.
Description of reference numerals: 1. a first air duct; 11. a connecting pipe; 2. a second air duct; 21. a dust hood; 3. a suction fan; 4. a dust collection bag; 5. a quick release mechanism; 51. a first conduit; 511. positioning the through hole; 52. a second conduit; 521. positioning a groove; 6. a fixing assembly; 61. a sleeve; 611. a slip through hole; 612. a chute; 62. positioning a rod; 621. a slider; 63. a limiting plate; 64. a compression spring; 65. a turntable; 7. a seal assembly; 71. a ring plate; 711. a first fixing plate; 712. a second fixing plate; 72. an elastic pad; 721. and (6) chamfering.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a dust device for sand storehouse. Referring to fig. 1, the dust falling device comprises a first air pipe 1 hung on the top of the sand warehouse, four second air pipes 2 are respectively arranged on two sides of the first air pipe 1 facing to two side walls of the sand warehouse, the four second air pipes 2 are uniformly arranged along the length direction of the sand warehouse, a dust suction hood 21 is respectively connected to the end part of each second air pipe 2, the opening of the dust suction hood 21 is arranged facing to the ground in the sand warehouse, and dust hood 21 is through hanging mode and sand storehouse top reciprocal anchorage established, the one end of first tuber pipe 1 is worn out and is connected with a connecting pipe 11 from the sand storehouse lateral wall, connecting pipe 11 is arranged towards the ground outside the sand storehouse, the port department of connecting pipe 11 is provided with a suction fan 3, the air intake reciprocal anchorage of connecting pipe 11 and suction fan 3, the air outlet department of suction fan 3 is provided with the dust bag 4 of a gas permeability, be equipped with the quick detach mechanism 5 that is used for connecting dust bag 4 and suction fan 3 between dust bag 4 and the 3 air outlets of suction fan.
Referring to fig. 2 and 3, the quick release mechanism 5 includes a first pipe 51 fixedly connected to the air outlet of the suction fan 3, the cross section of the first pipe 51 is square and annular, the bag opening of the dust bag 4 is fixedly connected to a second pipe 52 in plug-in fit with the first pipe 51, when the second pipe 52 is plug-in fit with the first pipe 51, the outer wall of the second pipe 52 is tightly attached to the inner wall of the first pipe 51, a fixing component 6 for fixing the first pipe 51 and the second pipe 52 to each other is disposed on the outer side wall of the second pipe 52, and a sealing component 7 for increasing the sealing performance between the first pipe 51 and the second pipe 52 is further disposed on the outer side wall of the second pipe 52.
Referring to fig. 4 and 5, a circular positioning through hole 511 is formed in one of the outer side walls of the first pipeline 51, the positioning through hole 511 is located at a center of the corresponding outer side wall of the first pipeline 51, the fixing component 6 includes a sleeve 61 with an opening at one end of the positioning through hole 511, the sleeve 61 and the positioning through hole 511 are coaxially arranged, the opening of the sleeve 61 faces the first pipeline 51 and is fixedly connected with the first pipeline 51, a circular sliding through hole 611 is formed in the bottom wall of the sleeve 61, the sliding through hole 611 and the positioning through hole 511 have the same diameter and are coaxially arranged, a positioning rod 62 with a circular cross section is jointly penetrated and rotatably connected in the positioning through hole 511 and the sliding through hole 611, an annular limiting plate 63 is fixedly connected to the circumferential surface of the positioning rod 62, the limiting plate 63 is located in the sleeve 61 and is slidably connected with the sleeve 61, a compression spring 64 is arranged between the limiting plate 63 and the bottom wall in the sleeve 61, the compression spring 64 is sleeved on the positioning rod 62 Support and lean on, be close to center department on four lateral walls of second pipeline 52 and respectively seted up one with locating lever 62 grafting complex constant head tank 521, when first pipeline 51 pegs graft each other with second pipeline 52, locating lever 62's tip inserts in constant head tank 521, thereby restrict breaking away from each other of first pipeline 51 and second pipeline 52, constant head tank 521 is in the design of each face of second pipeline 52, when second pipeline 52 pegs graft each other with first pipeline 51, make the staff can insert first pipeline 51 with second pipeline 52 with arbitrary angle, thereby the time of locating lever 62 and the alignment of constant head tank 521 place face has been reduced.
Referring to fig. 5, the side wall of the sleeve 61 facing away from the first pipe 51 is provided with four sliding grooves 612 communicating with the inside of the sleeve 61, the four sliding grooves 612 are uniformly distributed around the axis of the sleeve 61, the sliding grooves 612 are further communicated with the sliding through holes 611, a long-strip-shaped sliding block 621 is fixedly connected to the circumferential surface of the positioning rod 62 corresponding to each sliding groove 612, the sliding block 621 is arranged along the length direction of the positioning rod 62 and can slide in the sliding groove 612, when the end of the positioning rod 62 does not protrude out of the inner wall of the first pipe 51, the sliding block 621 is integrally located on the side of the sleeve 61 facing away from the first pipe 51, and the positioning rod 62 is rotated to make the sliding block 621 and the sliding groove 612 dislocate with each other, so that the sliding block 621 can be clamped on the side of the sleeve 61 facing away from the first pipe 51, and a worker can mount and detach the first pipe 51 and the second pipe, the overall working efficiency is improved. In addition, a turntable 65 is coaxially and fixedly connected to one end of the positioning rod 62 far away from the central line of the first pipeline 51, so that the positioning rod 62 can be rotated more easily by workers, and the operation efficiency is improved.
Referring to fig. 4, the sealing assembly 7 includes a ring plate 71 with an L-shaped cross section, the ring plate 71 includes a first fixing plate 711 and a second fixing plate 712, the plane of the first fixing plate 711 is perpendicular to the center line of the second pipeline 52, the first fixing plate 711 is sleeved on the second pipeline 52 and is fixedly connected to the second pipeline 52, the second fixing plate 712 is located on the side of the first fixing plate 711 facing the port of the second pipeline 52, and the second fixing plate 712 extends toward the port of the second pipeline 52, when the first pipeline 51 and the second pipeline 52 are fixed to each other, the second fixing plate 712 is sleeved on the outer side wall of the first pipeline 51, a gap is left between the inner wall of the second fixing plate 712 and the outer wall of the first pipeline 51, an annular elastic pad 72 is clamped in the gap between the second fixing plate 712 and the first pipeline 51, the elastic pad 72 is attached to the inner wall of the second fixing plate 712, the close fitting effect generated by the elastic compression of the elastic pad 72 reduces the possibility of air leakage between the first pipeline 51 and the second pipeline 52, and improves the sealing property between the first pipeline 51 and the second pipeline 52. In addition, the inner side edge of the elastic pad 72 departing from the first fixing plate 711 is further provided with a chamfer 721, so that when a worker inserts the second pipeline 52 into the first pipeline 51, the chamfer 721 of the elastic pad 72 is firstly adjacent to the port of the first pipeline 51, and along with the continuous pushing of the second pipeline 52 by the worker, the elastic pad 72 is more easily clamped between the second fixing plate 712 and the first pipeline 51 under the guiding action of the chamfer 721, and further the fixing efficiency of the first pipeline 51 and the second pipeline 52 is improved.
The implementation principle of the dust device for the sand warehouse is as follows: when the dust collection bag 4 is installed at the air outlet of the suction fan 3, a worker firstly aligns the opening of the second pipeline 52 to the opening of the first pipeline 51, then continuously pushes the second pipeline 52 towards the direction of the first pipeline 51 until the inner side wall of the elastic pad 72 on the second fixing plate 712 is tightly attached to the outer side wall at the port of the first pipeline 51, then the worker inserts the positioning rod 62 into the positioning groove 521, the positioning rod 62 is stably clamped with the positioning groove 521 under the elastic action of the compression spring 64, so that the first pipeline 51 and the second pipeline 52 are fixed with each other, the dust collection bag 4 is further connected with the air outlet of the suction fan 3, the structure is simple, and the installing and detaching efficiency of the dust collection bag 4 by the worker is improved. When the raise dust in the sand warehouse needs to be handled, the staff only need open suction fan 3, the raise dust of suction hood 21 opening below will be under the suction effect of suction fan 3 with the air in proper order through second tuber pipe 2, first tuber pipe 1 and suction fan 3 enter into in the dust bag 4, and the raise dust is then in the dust bag 4 is stayed under the filtration of dust bag 4 to the realization is to the collection of raise dust, and then has reduced artifical watering and the secondary harm that the automatic water spray dust fall brought.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a dust device for sand storehouse which characterized in that: the device comprises a first air pipe (1) arranged at the top of a sand warehouse in a hanging manner, the first air pipe (1) is arranged along the length direction of the sand warehouse, the first air pipe (1) is connected with a plurality of second air pipes (2) towards the direction in the sand warehouse, the end part of each second air pipe (2) is connected with a dust hood (21), a suction fan (3) is arranged on the ground at one end of the sand warehouse, one end of the first air pipe (1) is connected with an air inlet of the suction fan (3), a dust bag (4) is arranged at the air outlet of the suction fan (3), and a quick-release mechanism (5) used for connecting the dust bag (4) with the suction fan (3) is arranged between the dust bag (4) and the air outlet of the suction.
2. The dust fall device for the sand silo according to claim 1, characterized in that: the quick-release mechanism (5) comprises a first pipeline (51) fixed with an air outlet of the suction fan (3) and a second pipeline (52) fixed with a bag opening of the dust collection bag (4), when the dust collection bag (4) is connected with the air outlet of the suction fan (3), the first pipeline (51) is sleeved outside the second pipeline (52), the outer wall of the second pipeline (52) is attached to the inner wall of the first pipeline (51), and a fixing component (6) used for fixing the first pipeline (51) and the second pipeline (52) to each other is arranged on the first pipeline (51).
3. The dust fall device for the sand silo according to claim 2, characterized in that: the outer side wall of the second pipeline (52) is provided with a positioning groove (521), the outer side wall of the first pipeline (51) is provided with a positioning through hole (511) matched with the positioning groove (521) for use, the fixing component (6) comprises a sleeve (61) with an opening at one end, one end of the opening of the sleeve (61) is fixedly connected to the side wall of the first pipeline (51), the bottom wall of the sleeve (61) is provided with a sliding through hole (611), the sleeve (61) is internally connected with a positioning rod (62) in a sliding manner along the axial direction of the sleeve (61), when the first pipeline (51) and the second pipeline (52) are mutually spliced, one end of the positioning rod (62) penetrates through the positioning through hole (511) and is clamped into the positioning groove (521), the other end of the positioning rod (62) penetrates through the sliding through hole (611) of the sleeve (61), the peripheral surface of the positioning rod (62) is fixedly connected with a limiting plate, still the cover is equipped with a compression spring (64) on locating lever (62), and compression spring (64) are located the one side that limiting plate (63) deviates from first pipeline (51).
4. The dust fall device for the sand silo according to claim 3, characterized in that: set up a plurality of and sleeve (61) outer communicating spout (612) on the sleeve (61) diapire, spout (612) still communicate with each other with slip through-hole (611), locating lever (62) rotate with slip through-hole (611) and are connected, and each rigid coupling in the position that the global of locating lever (62) corresponds every spout (612) has a slider (621), and slider (621) are located limiting plate (63) and deviate from one side of first pipeline (51), and when locating lever (62) and constant head tank (521) break away from each other, slider (621) are located one side that sleeve (61) deviate from first pipeline (51).
5. The dust fall device for the sand silo according to claim 2, characterized in that: the outer side wall of the second pipeline (52) is fixedly connected with a ring plate (71), and when the first pipeline (51) and the second pipeline (52) are mutually fixed, an elastic pad (72) is clamped between the ring plate (71) and the first pipeline (51).
6. The dust fall device for the sand silo according to claim 5, characterized in that: the ring plate (71) comprises a first fixing plate (711) and a second fixing plate (712) fixedly connected with the first fixing plate (711), the plane of the first fixing plate (711) is perpendicular to the center line of the second pipeline (52), the second fixing plate (712) is located on one side, facing the port of the second pipeline (52), of the first fixing plate (711), when the first pipeline (51) and the second pipeline (52) are mutually fixed, the second fixing plate (712) is sleeved on the outer side wall of the first pipeline (51), and the elastic pad (72) is clamped between the second fixing plate (712) and the outer wall of the first pipeline (51).
7. The dust fall device for the sand silo according to claim 6, characterized in that: the elastic pad (72) is attached to the inner wall of the second fixing plate (712), and a chamfer (721) is formed on the edge of the inner side, deviating from the first fixing plate (711), of the elastic pad (72).
8. The dust fall device for the sand silo according to claim 3, characterized in that: the cross sections of the first pipeline (51) and the second pipeline (52) are both in a square ring shape, and the four outer side walls of the second pipeline (52) are respectively provided with one positioning groove (521).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022391378.2U CN213492582U (en) | 2020-10-24 | 2020-10-24 | Dust falling device for sand warehouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022391378.2U CN213492582U (en) | 2020-10-24 | 2020-10-24 | Dust falling device for sand warehouse |
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| Publication Number | Publication Date |
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| CN213492582U true CN213492582U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022391378.2U Expired - Fee Related CN213492582U (en) | 2020-10-24 | 2020-10-24 | Dust falling device for sand warehouse |
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| Country | Link |
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| CN (1) | CN213492582U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457312A (en) * | 2021-07-02 | 2021-10-01 | 北京太伟金属结构工程有限责任公司 | Dry paint mist filter |
| CN113877923A (en) * | 2021-10-22 | 2022-01-04 | 大昌建设集团有限公司 | Underground construction dust device |
-
2020
- 2020-10-24 CN CN202022391378.2U patent/CN213492582U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457312A (en) * | 2021-07-02 | 2021-10-01 | 北京太伟金属结构工程有限责任公司 | Dry paint mist filter |
| CN113877923A (en) * | 2021-10-22 | 2022-01-04 | 大昌建设集团有限公司 | Underground construction dust device |
| CN113877923B (en) * | 2021-10-22 | 2022-09-27 | 大昌建设集团有限公司 | Underground construction dust device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |