CN220071828U - Broken sieving mechanism of building rubbish - Google Patents
Broken sieving mechanism of building rubbish Download PDFInfo
- Publication number
- CN220071828U CN220071828U CN202322438053.9U CN202322438053U CN220071828U CN 220071828 U CN220071828 U CN 220071828U CN 202322438053 U CN202322438053 U CN 202322438053U CN 220071828 U CN220071828 U CN 220071828U
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- Prior art keywords
- filter screen
- shell
- crushing
- construction waste
- large particle
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- 230000007246 mechanism Effects 0.000 title claims abstract description 66
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 24
- 238000007873 sieving Methods 0.000 title claims abstract description 5
- 239000002245 particle Substances 0.000 claims abstract description 54
- 238000010276 construction Methods 0.000 claims abstract description 52
- 239000002699 waste material Substances 0.000 claims abstract description 52
- 238000012216 screening Methods 0.000 claims abstract description 42
- 239000000428 dust Substances 0.000 claims abstract description 33
- 238000004064 recycling Methods 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 12
- 238000011084 recovery Methods 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 25
- 238000007790 scraping Methods 0.000 description 6
- 239000008187 granular material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012856 packing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000010814 metallic waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/58—Construction or demolition [C&D] waste
Abstract
The utility model discloses a construction waste crushing and screening device, which relates to the technical field of magnetic screening devices and specifically comprises the following components: the utility model provides a broken sieving mechanism of building rubbish, includes the casing, is provided with dust removal mechanism, crushing mechanism, multistage screening mechanism and receiving mechanism in the casing; the shell is also communicated with a large particle conveying bin, and a conveying mechanism is arranged in the large particle conveying bin; the upper part of the shell is provided with a feed inlet, a feed conveyor belt is arranged at the feed inlet, and a magnet is arranged on the surface of the feed conveyor belt. The device can effectively recycle metal garbage in the construction waste, and can carry out multistage crushing and screening treatment on the construction waste, thereby classifying and recycling the construction waste with different particle sizes. In addition, the device realizes the up-and-down movement of the filter screen through the buffer of the buffer spring, thereby improving the screening efficiency, eliminating the need of adopting an electric vibration device and reducing the treatment cost of the construction waste.
Description
Technical Field
The utility model relates to the technical field of magnetic screening devices, in particular to a construction waste crushing and screening device.
Background
Along with the acceleration of the urban process, the generation amount of the construction waste is larger and larger, and the environment is seriously affected. In order to solve the problem, a construction waste crushing and screening device is generated. The device has the main functions of crushing, classifying, recycling and the like the construction waste, so as to achieve the purposes of recycling and harmlessness.
At present, the construction waste crushing devices on the market are various in variety, but the main working principles are approximately the same. Generally, the device consists of a crushing main machine, a screening device, a conveying device, a packing device and the like. The crushing main machine is a core part of the device, and the working principle of the crushing main machine is that the construction waste is extruded or collided by applying external pressure or impact force, so that the crushing is realized. The screening device is responsible for screening the crushed materials and respectively conveying the crushed materials to different conveying devices according to the granularity of the materials. The conveying device is responsible for conveying the materials to a specified position, and generally adopts a belt conveying mode or a spiral conveying mode and the like. The packing device is responsible for packing the materials which finally meet the requirements, and is convenient for subsequent transportation and treatment. However, the existing construction waste crushing and screening device has some problems. Firstly, the device can not effectively separate and recycle metal garbage in the garbage; secondly, a large amount of dust is generated in the crushing process, and the working environment is polluted when the dust is not treated, so that the physical health of operators is affected; finally, the crushing effect of the current devices needs to be further improved. In addition, crushing sieving mechanism among the prior art also can not be fine retrieve the construction waste after smashing according to the granule size difference, and often adopts electronic vibrator in the screening process, has increased the energy consumption.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: aiming at the defects existing in the prior art, the device for crushing and screening the construction waste is provided, the device can effectively recycle metal waste in the construction waste, the crushing effect is good, and the crushed large-particle waste can be crushed again; the building rubbish with qualified particle size can be subjected to multi-stage screening, so that the building rubbish with different particle sizes is classified and recovered. When the device is used for screening, the up-and-down movement of the multistage screening mechanism is realized by utilizing the self gravity action of the construction waste and through the buffering of the buffering spring, so that the screening efficiency is improved, an electric vibration device is not required, and the treatment cost of the construction waste is reduced.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the building rubbish crushing and screening device comprises a shell, wherein a dust removing mechanism, a crushing mechanism, a multi-stage screening mechanism and a material receiving mechanism are arranged in the shell;
the dust removing mechanism comprises a dust removing cover arranged at the top of the shell, the dust removing cover is communicated with a dust collecting box through an air pipe, and a fan is arranged on the air pipe;
the crushing mechanism comprises two crushing rollers which are rotatably arranged in the shell and meshed with each other;
the multistage screening mechanism comprises a first-stage filter screen, a second-stage filter screen and a third-stage filter screen which are sequentially arranged below the crushing roller and incline downwards; the first-stage filter screen, the second-stage filter screen and the third-stage filter screen are movably arranged in the shell through the buffer mechanism;
the material receiving mechanism comprises a first recycling bin, a second recycling bin and a third recycling bin; the first recovery box is arranged below the three-stage filter screen in a sliding manner; the lower ends of the secondary filter screen and the tertiary filter screen are respectively communicated with a first guide chute and a second guide chute through discharge holes arranged on the shell, and one ends of the first guide chute and the second guide chute respectively extend to the upper parts of the second recovery tank and the third recovery tank;
the shell is also provided with a large particle outlet, and one end of the primary filter screen with a lower height extends to the large particle outlet; the shell is communicated with a large particle conveying bin through a large particle outlet, a conveying mechanism is arranged in the large particle conveying bin, and the upper part of the large particle conveying bin is communicated with the shell through a large particle inlet;
the shell is provided with a feeding hole above the crushing roller, a feeding conveyor belt is arranged at the feeding hole, and a magnet is arranged on the surface of the feeding conveyor belt; the outside of casing is in the below of feeding conveyer belt still is provided with L type scraper blade, the one end of L type scraper blade with the bottom of feeding conveyer belt offsets, the outside of casing is in the below of L type scraper blade still is provided with metal rubbish recovery tank.
As a preferable mode of the above technical scheme, the two pulverizing rollers are respectively rotatably arranged on the inner wall of the housing through rotating shafts.
As the optimization of the technical scheme, the material conveying mechanism comprises a material conveying auger rotatably arranged in the large-particle conveying bin and a material conveying motor for driving the material conveying auger to operate.
As the preferable choice of the technical proposal, the shell is provided with a first material guiding plate which is inclined downwards at the inlet of the large particles, and one end of the first material guiding plate extends to the upper part of the crushing roller.
As the preference of above-mentioned technical scheme, first class filter screen, second grade filter screen, tertiary filter screen are all installed through the backup pad, buffer gear sets up the bottom of backup pad.
As the optimization of the technical scheme, a first chute is formed in the inner wall of the shell, the supporting plate is movably arranged in the first chute through a buffer mechanism, and the buffer mechanism is a buffer spring.
As the optimization of the technical scheme, a guide cylinder is arranged below the three-stage filter screen, and a discharge hole at the bottom of the guide cylinder extends to the upper part of the first recovery tank.
As a preferable mode of the above technical solution, one end of the guide cylinder is fixed to the bottom of the support plate.
As the optimization of the technical scheme, pulleys are arranged at the bottoms of the first recovery tank, the second recovery tank and the third recovery tank, and a second sliding groove which is adaptive to the pulleys is arranged at the bottom of the shell.
Due to the adoption of the technical scheme, the utility model has the beneficial effects that:
the utility model provides a construction waste crushing and screening device, which comprises a shell, wherein a dust removing mechanism, a crushing mechanism, a multi-stage screening mechanism and a material collecting mechanism are arranged in the shell; the dust removing mechanism comprises a dust removing cover arranged at the top of the shell, the dust removing cover is communicated with a dust collecting box through an air pipe, and a fan is arranged on the air pipe; under the action of the fan, dust generated in the crushing process of the construction waste enters the dust collection box through the dust hood and the air pipe, so that the dust is effectively prevented from polluting the working environment. The crushing mechanism comprises two crushing rollers which are rotatably arranged in the shell and meshed with each other; the two crushing rollers rotate in opposite directions during crushing, so that the construction waste is crushed. The multi-stage screening mechanism comprises a first-stage filter screen, a second-stage filter screen and a third-stage filter screen; the first-stage filter screen, the second-stage filter screen and the third-stage filter screen are movably arranged in the shell through the buffer mechanism. When screening, the crushed construction waste impacts the multistage screening mechanism under the action of self gravity, and the multistage screening mechanism realizes up-and-down movement by utilizing the buffering action of the buffering mechanism, so that the screening efficiency is improved, the assistance of an electric vibration device is not needed, and the treatment cost of the construction waste is reduced. The material receiving mechanism comprises a first recycling bin, a second recycling bin and a third recycling bin; the first recovery box is arranged below the third-level filter screen in a sliding manner; the lower ends of the secondary filter screen and the tertiary filter screen are respectively communicated with a first guide chute and a second guide chute through discharge holes arranged on the shell, and one ends of the first guide chute and the second guide chute respectively extend to the upper parts of the second recovery tank and the third recovery tank; the receiving mechanism can classify and recycle the construction wastes with different particle sizes, and the utilization rate of the construction wastes is improved. The shell is provided with a large particle outlet, and one end of the primary filter screen with a lower height extends to the large particle outlet; the shell is communicated with a large particle conveying bin through a large particle outlet, a conveying mechanism is arranged in the large particle conveying bin, and the upper part of the large particle conveying bin is communicated with the shell through a large particle inlet. Building rubbish is filtered through the first-level filter screen, and great granule enters into in the big granule conveying storehouse, then reentry into the casing through big granule import under the transportation of conveying mechanism and smash, improves crushing efficiency. The shell is provided with a feed inlet above the crushing roller, a feed conveyor belt is arranged at the feed inlet, and a magnet is arranged on the surface of the feed conveyor belt; the outer side of the shell is also provided with an L-shaped scraping plate below the feeding conveyor belt, one end of the L-shaped scraping plate is propped against the bottom of the feeding conveyor belt, and the outer side of the shell is also provided with a metal garbage recycling groove below the L-shaped scraping plate; the magnet, the L-shaped scraping plate and the metal garbage recycling groove are matched with each other, so that metal garbage in the construction garbage can be effectively separated.
The casing of this device is provided with the first stock guide of downward sloping in big granule import department, and the one end of first stock guide stretches to the top of smashing the roller. The guide cylinder is arranged below the third-stage filter screen, and a discharge hole at the bottom of the guide cylinder extends to the upper part of the first recovery box. The first guide plate and the guide cylinder enable the construction waste to accurately enter the crushing roller and the first recovery box respectively, and recovery efficiency of the construction waste is improved. The bottom of this device first collection tank, second collection tank, third collection tank all is provided with the pulley, and the bottom of casing is provided with the second spout that suits with the pulley, and foretell setting makes first collection tank, second collection tank and third collection tank more convenient the removal, the transportation of the building rubbish of being convenient for.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic structural view of embodiment 1 of the present utility model;
FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1;
in the figure, 1, a shell; 2. a dust hood; 3. an air duct; 4. a dust collection box; 5. a blower; 6. a pulverizing roller; 7. a rotating shaft; 8. a first-stage filter screen; 9. a secondary filter screen; 10. a third-stage filter screen; 11. a support plate; 12. a first chute; 13. a buffer spring; 14. a first recovery tank; 15. a second recovery tank; 16. a third recovery tank; 17. a first guide chute; 18. a second guide chute; 19. a large particle outlet; 20. a large particle conveying bin; 21. a material conveying auger; 22. a material conveying motor; 23. a large particle inlet; 24. a feed inlet; 25. a feed conveyor; 26. an L-shaped scraping plate; 27. a metal garbage recovery tank; 28. a first guide plate; 29. a guide cylinder; 30. a pulley; 31. and a second chute.
Detailed Description
The utility model is further illustrated in the following, in conjunction with the accompanying drawings and examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
It will also be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Example 1
As shown in fig. 1 to 3, the construction waste crushing and screening device comprises a shell 1, wherein a dust removing mechanism, a crushing mechanism, a multi-stage screening mechanism and a material receiving mechanism are arranged in the shell 1;
the dust removing mechanism comprises a dust removing cover 2 arranged at the top of the shell 1, the dust removing cover 2 is communicated with a dust collecting box 4 through an air pipe 3, and a fan 5 is arranged on the air pipe 3; the dust excluding hood 2, tuber pipe 3, fan 5 and dust collection box 4's joint setting can effectively collect the dust that the in-process produced is smashed to the building rubbish, avoids a large amount of dust pollution environment, influences operating personnel's healthy.
The crushing mechanism comprises two crushing rollers 6 which are rotatably arranged above the shell 1 and meshed with each other; the two crushing rollers 6 are respectively arranged on the inner wall of the shell 1 in a rotating way through a rotating shaft 7, and the rotating shaft 7 is driven by an external motor (not shown in the figure), so that the two crushing rollers 6 are driven to rotate in opposite directions, and the crushing treatment of the construction waste is realized.
The multistage screening mechanism comprises a primary filter screen 8, a secondary filter screen 9 and a tertiary filter screen 10 which are sequentially arranged below the crushing roller 6 and incline downwards; the primary filter screen 8, the secondary filter screen 9 and the tertiary filter screen 10 are all movably arranged in the shell 1 through a buffer mechanism; the first-stage filter screen 8, the second-stage filter screen 9 and the third-stage filter screen 10 are all installed through a supporting plate 11, a first sliding groove 12 is formed in the inner wall of the shell 1, the supporting plate 11 is movably arranged in the first sliding groove 12 through a buffer mechanism, and the buffer mechanism is a buffer spring 13. The crushed construction waste firstly impacts the first-stage filter screen 8 when moving downwards, and the first-stage filter screen 8 moves up and down under the buffer of the buffer spring 13 after being impacted by the construction waste, so that the construction waste can be screened more effectively, and the arrangement is not needed to be assisted by an electric vibration device, so that the treatment cost of the construction waste is reduced. The combined arrangement of the first-stage filter screen 8, the second-stage filter screen 9 and the third-stage filter screen 10 can effectively screen the crushed construction waste in multiple stages, so that the construction waste with different particle sizes is classified and recycled, and the utilization rate of the construction waste can be improved.
The material receiving mechanism comprises a first recycling bin 14, a second recycling bin 15 and a third recycling bin 16; the first recovery tank 14 is arranged below the tertiary filter screen 10 in a sliding manner;
one ends of the secondary filter screen 9 and the tertiary filter screen 10 with lower heights are respectively communicated with a first guide chute 17 and a second guide chute 18 through discharge holes arranged on the shell 1, and one ends of the first guide chute 17 and the second guide chute 18 respectively extend to the upper parts of the second recovery tank 15 and the third recovery tank 16; after multi-stage screening, the construction wastes with different particle sizes respectively enter the first recovery tank 14, the second recovery tank 15 and the third recovery tank 16, so that recovery is realized.
The shell 1 is also provided with a large particle outlet 19, and one end of the primary filter screen 8 with a lower height extends to the large particle outlet 19; the shell 1 is communicated with a large particle conveying bin 20 through a large particle outlet 19, a conveying mechanism is arranged in the large particle conveying bin 20, and the conveying mechanism comprises a conveying auger 21 rotatably arranged in the large particle conveying bin 20 and a conveying motor 22 for driving the conveying auger 21 to operate; the upper part of the large particle conveying bin 20 is communicated with the shell 1 through a large particle inlet 23; the large particles filtered by the primary filter screen 8 enter the large particle conveying bin 20 through the large particle outlet 19, and under the action of the conveying motor 22, the large particles upwards move through the conveying auger 21 and enter the shell 1 again through the large particle outlet 19 for crushing treatment, so that the crushing efficiency of the construction waste is improved. The large-particle construction waste screened out can be crushed again by the aid of the device, and crushing efficiency of the construction waste is improved.
The shell 1 is provided with a feed port 24 above the crushing roller 6, a feed conveyor belt 25 is arranged at the feed port 24, and a magnet (not shown in the figure) is arranged on the surface of the feed conveyor belt 25; the outside of casing 1 is in the below of feeding conveyer belt 25 still is provided with L type scraper blade 26, the one end of L type scraper blade 26 with the bottom of feeding conveyer belt 25 offsets, the outside of casing 1 is in the below of L type scraper blade 26 still is provided with metal rubbish recovery tank 27. During feeding, the magnets on the feeding conveyor belt 25 adsorb and fix metal garbage in the construction waste, and the moving feeding conveyor belt 25 and the L-shaped scraping plate 26 are matched with each other to scrape off and recycle the adsorbed metal garbage into the metal garbage recycling groove 27.
Further, the shell 1 is provided with a first material guiding plate 28 inclined downwards at the large particle inlet 23, and one end of the first material guiding plate 28 extends to the upper part of the crushing roller 6. The first guide plate 28 is arranged to guide the large-particle construction waste conveyed by the large-particle conveying bin 20 to the upper part of the crushing roller 6, so that better crushing is realized.
Further, a guide cylinder 29 is disposed below the third-stage filter screen 10, and a discharge port at the bottom of the guide cylinder 29 extends to the upper side of the first recovery tank 14. Further, one end of the guide cylinder 29 is fixed to the bottom of the support plate 11. The arrangement of the guide cylinder 29 can better guide the screened construction waste into the first recovery tank 14, so that the construction waste can be effectively recovered.
Further, the bottoms of the first recovery tank 14, the second recovery tank 15 and the third recovery tank 16 are respectively provided with a pulley 30, and the bottom of the casing 1 is provided with a second chute 31 adapted to the pulley 30.
Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the utility model as defined in the appended claims.
Claims (9)
1. The utility model provides a broken sieving mechanism of building rubbish, includes casing, its characterized in that: the shell is internally provided with a dust removing mechanism, a crushing mechanism, a multi-stage screening mechanism and a material receiving mechanism;
the dust removing mechanism comprises a dust removing cover arranged at the top of the shell, the dust removing cover is communicated with a dust collecting box through an air pipe, and a fan is arranged on the air pipe;
the crushing mechanism comprises two crushing rollers which are rotatably arranged in the shell and meshed with each other;
the multistage screening mechanism comprises a first-stage filter screen, a second-stage filter screen and a third-stage filter screen which are sequentially arranged below the crushing roller and incline downwards; the first-stage filter screen, the second-stage filter screen and the third-stage filter screen are movably arranged in the shell through the buffer mechanism;
the material receiving mechanism comprises a first recycling bin, a second recycling bin and a third recycling bin; the first recovery box is arranged below the three-stage filter screen in a sliding manner; one ends of the secondary filter screen and the tertiary filter screen, which are lower in height, are respectively communicated with a first guide chute and a second guide chute through discharge holes arranged on the shell, and the other ends of the first guide chute and the second guide chute extend to the upper parts of the second recovery tank and the third recovery tank respectively;
the shell is also provided with a large particle outlet, and one end of the primary filter screen with a lower height extends to the large particle outlet; the shell is communicated with a large particle conveying bin through a large particle outlet, a conveying mechanism is arranged in the large particle conveying bin, and the upper part of the large particle conveying bin is communicated with the shell through a large particle inlet;
the shell is provided with a feeding hole above the crushing roller, a feeding conveyor belt is arranged at the feeding hole, and a magnet is arranged on the surface of the feeding conveyor belt; the outside of casing is in the below of feeding conveyer belt still is provided with L type scraper blade, the one end of L type scraper blade with the bottom of feeding conveyer belt offsets, the outside of casing is in the below of L type scraper blade still is provided with metal rubbish recovery tank.
2. The construction waste crushing and screening device according to claim 1, wherein: the two crushing rollers are respectively arranged on the inner wall of the shell in a rotating way through the rotating shaft.
3. The construction waste crushing and screening device according to claim 1, wherein: the conveying mechanism comprises a conveying auger rotatably arranged in the large-particle conveying bin and a conveying motor for driving the conveying auger to operate.
4. The construction waste crushing and screening device according to claim 1, wherein: the shell is provided with a first material guide plate inclined downwards at the large particle inlet, and one end of the first material guide plate extends to the upper part of the crushing roller.
5. The construction waste crushing and screening device according to claim 1, wherein: the first-level filter screen, the second-level filter screen and the third-level filter screen are all installed through the support plate, and the buffer mechanism is arranged at the bottom of the support plate.
6. The construction waste crushing and screening device according to claim 5, wherein: the inner wall of the shell is provided with a first chute, the supporting plate is movably arranged in the first chute through a buffer mechanism, and the buffer mechanism is a buffer spring.
7. The construction waste crushing and screening device according to claim 5, wherein: the lower part of the three-stage filter screen is provided with a guide cylinder, and a discharge hole at the bottom of the guide cylinder extends to the upper part of the first recovery tank.
8. The construction waste crushing and screening device according to claim 7, wherein: one end of the guide cylinder is fixed at the bottom of the supporting plate.
9. The construction waste crushing and screening device according to claim 1, wherein: the bottom of first collection box, second collection box, third collection box all is provided with the pulley, the bottom of casing be provided with pulley phase-adapted second spout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322438053.9U CN220071828U (en) | 2023-09-08 | 2023-09-08 | Broken sieving mechanism of building rubbish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322438053.9U CN220071828U (en) | 2023-09-08 | 2023-09-08 | Broken sieving mechanism of building rubbish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220071828U true CN220071828U (en) | 2023-11-24 |
Family
ID=88823912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322438053.9U Active CN220071828U (en) | 2023-09-08 | 2023-09-08 | Broken sieving mechanism of building rubbish |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220071828U (en) |
-
2023
- 2023-09-08 CN CN202322438053.9U patent/CN220071828U/en active Active
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