CN112547167A - Building material production is with reducing mechanism that has anti-mixing mechanism - Google Patents
Building material production is with reducing mechanism that has anti-mixing mechanism Download PDFInfo
- Publication number
- CN112547167A CN112547167A CN202011438738.8A CN202011438738A CN112547167A CN 112547167 A CN112547167 A CN 112547167A CN 202011438738 A CN202011438738 A CN 202011438738A CN 112547167 A CN112547167 A CN 112547167A
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- fixedly connected
- box body
- left end
- flywheel
- extrusion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004566 building material Substances 0.000 title claims abstract description 22
- 238000002156 mixing Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 20
- 238000012216 screening Methods 0.000 claims abstract description 10
- 230000002265 prevention Effects 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims 1
- 239000004567 concrete Substances 0.000 abstract description 17
- 238000010276 construction Methods 0.000 abstract description 12
- 239000002699 waste material Substances 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 10
- 238000001914 filtration Methods 0.000 abstract description 8
- 238000003860 storage Methods 0.000 abstract description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000013329 compounding Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011384 asphalt concrete Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000002986 polymer concrete Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/005—Crushing or disintegrating by reciprocating members hydraulically or pneumatically operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a crushing device with a material mixing prevention mechanism for building material production, which comprises a box body, an extrusion cylinder and a conveyor belt, wherein a screening device is arranged in the box body, the screening device comprises a filtering screen, a blanking plate, a flywheel, a rotating motor and elastic springs, the two elastic springs are respectively and fixedly connected to the top ends of a first mounting rod and a second mounting rod, the blanking plate is fixedly connected to the top ends of the two elastic springs, the rotating rod is rotatably connected to the left end of the rotating motor, and the flywheel is fixedly connected to the left end of the rotating rod. According to the invention, the construction waste is crushed through the extrusion plate, so that the concrete is separated from the reinforcing steel bars, the concrete blocks are pressed into small concrete blocks, the screening in the next step is facilitated, the flywheel and the rotating motor are arranged, the rotating motor is started to drive the flywheel and the installation box to vibrate, the blanking plate is driven to vibrate at the same time, the concrete blocks fall into the conveying belt through the filtering screen to be conveyed away, and the reinforcing steel bars fall into the storage box through the blanking port along the blanking plate.
Description
Technical Field
The invention relates to the technical field of equipment for producing building materials, in particular to a crushing device with a material mixing prevention mechanism for producing building materials.
Background
Building materials are various materials used in construction engineering, and the building materials are various in types and roughly divided into: the composite material comprises asphalt concrete, polymer concrete and the like, is generally formed by compounding inorganic non-metallic materials and organic materials, is coordinated with the ecological environment in the cyclic processes of production, use, abandonment and regeneration of the existing materials, and meets the requirements of minimum resource and energy consumption, minimum or no environmental pollution, optimal service performance and highest cyclic recycling rate on designing the produced building materials.
So current building material most is got from in construction waste, smashes useful material through construction waste and sorts again after, carries out secondary recycle, and the building material most after smashing through the device has all mixed as an organic whole, and general sorting device sorts the screening by the manual work, and intensity of labour is big, and is inefficient, and the efficiency of screening is not high, has to miss the phenomenon and produces.
Disclosure of Invention
The invention aims to: in order to solve the problem that a crushing device for producing building materials produces mixed materials, the crushing device with the material mixing prevention mechanism for producing the building materials is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a building material production is with reducing mechanism that has a material mixing prevention mechanism, the power distribution box comprises a box body, the extrusion cylinder, stripper plate and conveyer belt, the inside of box is provided with the sieving mechanism, the sieving mechanism includes filtering screen, lower flitch, the flywheel, rotating electrical machines and elastic spring, two elastic spring difference fixed connection are on the top of installation pole one and installation pole two, the right-hand member of bottom in the box is installed to installation pole one fixed connection, the left end of bottom in the box is installed to two fixed connection of installation pole, lower flitch fixed connection is on two elastic spring's top, filtering screen sets up in the inside position department that is close to the left end of flitch down, rotating electrical machines installs in the inside of install bin, install bin and lower flitch fixed connection, the rotary rod rotates the left end of connecting in rotating electrical machines, flywheel fixed connection is in the left.
As a further description of the above technical solution:
both ends are fixedly connected with mounting panel respectively about being close to the top of box, and extrusion cylinder is all installed on the top of two mounting panels, and two catch bars are sliding connection respectively in both ends about two extrusion cylinders, and two stripper plates are fixed connection in both ends about two catch bars respectively.
As a further description of the above technical solution:
the lower positions of the two extrusion plates are respectively provided with a baffle, the two baffles are respectively hinged to the inner walls of the left end and the right end of the box body through two fixed rotating shafts, the two baffles are positioned on the same horizontal line, the two sliding grooves are respectively symmetrically arranged in the two baffles, and the sliding balls are respectively connected in the two sliding grooves in a sliding mode.
As a further description of the above technical solution:
the bottom of two smooth balls all fixedly connected with telescopic link, two telescopic links cup joint in two loop bars, and two loop bars are fixed connection respectively in the top of two flexible motors, and two flexible motors are fixed connection respectively in the top of two fixed blocks through two sloping blocks.
As a further description of the above technical solution:
the two fixing blocks are respectively and fixedly connected to the middle section of the inner wall of the box body.
As a further description of the above technical solution:
the conveyer belt is connected between two dead levers through connecting the pivot rotation, and two dead levers fixed connection are in the bottom in the box.
As a further description of the above technical solution:
the right-hand member of box is close to bottom position department and has seted up the feed opening, and the lower flitch runs through out the feed opening, and containing box fixed connection is in the bottom right-hand member position department of box.
As a further description of the above technical solution:
the top of the box body is provided with a feed inlet, and the bottom of the rear end face of the box body is provided with a discharge outlet.
In conclusion, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, by arranging the extrusion air cylinder and the extrusion plates, the construction waste is crushed, the concrete is separated from the steel bar, the extrusion air cylinder drives the push rod to extend, the two extrusion plates move inwards, the construction waste is extruded for multiple times, the concrete block is pressed into small concrete blocks, the concrete is separated from the steel bar, the screening on the next step is facilitated, and then the filtering screen is arranged, the elastic spring, the flywheel and the rotating motor are arranged, the crushed waste is screened, the rotating motor is started to drive the flywheel and the installation box to vibrate, the blanking plate is driven to vibrate at the same time, the concrete block falls into the conveying belt through the filtering screen to be conveyed away, the steel bar falls into the storage box through the blanking port along the blanking plate, the material distribution is facilitated, the material mixing is prevented, and the recovery efficiency.
Drawings
FIG. 1 is a schematic diagram of a structure provided by an embodiment of the invention;
FIG. 2 is a schematic diagram illustrating a structure of a telescopic motor and a baffle according to an embodiment of the present invention;
FIG. 3 illustrates an enlarged view provided in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of a flywheel according to an embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating a structure of a mounting box and a blanking plate provided in an embodiment of the present invention;
FIG. 6 illustrates a rear view provided in accordance with an embodiment of the present invention;
illustration of the drawings:
1. a box body; 2. a fixed block; 3. a telescopic motor; 4. a loop bar; 5. fixing the rotating shaft; 6. a chute; 7. mounting a plate; 8. an extrusion cylinder; 9. a push rod; 10. a feed inlet; 11. a pressing plate; 12. a telescopic rod; 13. a sliding ball; 14. a feeding port; 15. a storage box; 16. mounting a first rod; 17. fixing the rod; 18. a conveyor belt; 19. filtering the screen; 20. connecting the rotating shaft; 21. a blanking plate; 22. a baffle plate; 23. a flywheel; 24. a rotating electric machine; 25. installing a box; 26. an elastic spring; 27. rotating the rod; 28. a discharge port; 29. and a second mounting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a crushing device with a material mixing prevention mechanism for building material production comprises a box body 1, an extrusion cylinder 8, an extrusion plate 11 and a conveyor belt 18, wherein a screening device is arranged inside the box body 1 and comprises a filter screen 19, a blanking plate 21, a flywheel 23, a rotary motor 24 and elastic springs 26, the two elastic springs 26 are fixedly connected to the top ends of a first mounting rod 16 and a second mounting rod 29 respectively, the first mounting rod 16 is fixedly connected to the right end of the bottom inside the box body 1, the second mounting rod 29 is fixedly connected to the left end of the bottom inside the box body 1, the blanking plate 21 is fixedly connected to the top ends of the two elastic springs 26, the filter screen 19 is arranged inside the blanking plate 21 and close to the left end, the rotary motor 24 is arranged inside a mounting box 25, the mounting box 25 is fixedly connected with the blanking plate 21, the rotary rod 27 is rotatably connected to the left end of the rotary motor 24, the flywheel 23 is fixedly connected to the left, the flywheel 23 is similar to a triangle, the filtering screen 19 is a hard alloy screen, the blanking plate 21 is arranged at a certain inclination angle, the triangular flywheel 23 has a centripetal force when rotating, power is provided for the vibration of the blanking plate 21, and the elastic spring 26 also provides certain power.
Specifically, as shown in fig. 1, box 1 is close to the top and controls both ends fixedly connected with mounting panel 7 respectively, extrusion cylinder 8 is all installed on the top of two mounting panels 7, both ends about two catch bars 9 difference sliding connection in two extrusion cylinders 8, two stripper plates 11 are fixed connection in both ends about two catch bars 9 respectively, drive catch bar 9 extension through extrusion cylinder 8, make two stripper plates 11 inside removal, extrude construction waste many times, make the concrete piece pressed into the fritter concrete piece, make the concrete break away from the reinforcing bar, make things convenient for screening on next step.
Specifically, as shown in fig. 2, the lower positions of two extrusion plates 11 are provided with baffles 22, two baffles 22 are hinged to the inner walls of the left and right ends of the box body 1 through two fixed rotating shafts 5, and two baffles 22 are located on the same horizontal line, two chutes 6 are symmetrically arranged inside two baffles 22 respectively, and the inside of two chutes 6 is connected with sliding balls 13 in a sliding manner, two baffles 22 make the top space in the box body 1 closed, so that the extrusion plates 11 extrude construction waste, and the sliding balls 13 are connected inside the chutes 6 in a sliding manner, so that the telescopic rods 12 can pull the baffles 22 conveniently, and the construction waste after extrusion falls down.
Specifically, as shown in fig. 2, the bottom ends of the two sliding balls 13 are fixedly connected with telescopic rods 12, the two telescopic rods 12 are sleeved on the two loop bars 4, the two loop bars 4 are respectively and fixedly connected to the top ends of the two telescopic motors 3, and the two telescopic motors 3 are respectively and fixedly connected to the top ends of the two fixed blocks 2 through the two inclined blocks.
Specifically, as shown in fig. 1, two fixing blocks 2 are respectively and fixedly connected to the middle section of the inner wall of the box body 1, and the fixing blocks 2 are convenient for installation of the telescopic motor 3.
Specifically, as shown in fig. 1, the conveyor belt 18 is rotatably connected between two fixing rods 17 through a connecting rotating shaft 20, the two fixing rods 17 are fixedly connected to the bottom of the box body 1, and the conveyor belt 18 is convenient for conveying crushed small pieces of concrete.
Specifically, as shown in fig. 1, the right end of the box body 1 is close to the bottom position and is provided with a feed opening 14, the blanking plate 21 penetrates through the feed opening 14, the storage box 15 is fixedly connected to the bottom right end of the box body 1, the feed opening 14 is used for blanking small steel bars, and the storage box 15 is used for recycling.
Specifically, as shown in fig. 6, a feed inlet 10 is formed at the top of the box body 1, and a discharge outlet 28 is formed at the bottom of the rear end face of the box body 1.
The working principle is as follows: when the device is used, firstly, construction waste is put into the box body 1 through the feeding hole 10 and firstly falls on the two baffles 22, the extrusion cylinder 8 is started, the extrusion cylinder 8 drives the push rod 9 to extend and shorten, the extrusion plate 11 is pushed to extrude the construction waste for multiple times, the concrete blocks are extruded into fine concrete blocks, so that the concrete is separated from reinforcing steel bars, then the telescopic motor 3 is started to drive the telescopic rod 12 sleeved in the loop bar 4 to shorten, the sliding ball 13 slides in the chute 6 to drive the two baffles 22 to rotate and incline downwards, the crushed construction waste falls on the blanking plate 21, then the motor 24 is rotated to drive the flywheel 23 to rotate through the rotating rod 27, the centripetal force provided by the rotation of the flywheel 23 enables the installation box 25 to vibrate, the installation box 25 vibrates to drive the blanking plate 21 fixedly connected with the installation box 25 to vibrate, and the fine concrete blocks fall on the conveyor belt 18 through the filter screen 19, the reinforcing bar is through the vibration, falls into the inside of containing box 15 through feed opening 14 along flitch 21 down, is convenient for retrieve the reinforcing bar, conveniently divides the material, prevents the compounding, improves recovery efficiency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (8)
1. The crushing device with the material mixing prevention mechanism for production of building materials comprises a box body (1), an extrusion cylinder (8), an extrusion plate (11) and a conveyor belt (18), and is characterized in that a screening device is arranged inside the box body (1), the screening device comprises a filter screen (19), a blanking plate (21), a flywheel (23), a rotating motor (24) and elastic springs (26), the two elastic springs (26) are respectively and fixedly connected to the top ends of a first mounting rod (16) and a second mounting rod (29), the first mounting rod (16) is fixedly connected to the right end of the bottom in the box body (1), the second mounting rod (29) is fixedly connected to the left end of the bottom in the box body (1), the blanking plate (21) is fixedly connected to the top ends of the two elastic springs (26), the filter screen (19) is arranged at a position close to the left end inside the blanking plate (21), the rotating motor (24) is arranged inside a mounting box (25), the mounting box (25) is fixedly connected with the blanking plate (21), the rotating rod (27) is rotatably connected to the left end of the rotating motor (24), the flywheel (23) is fixedly connected to the left end of the rotating rod (27), and the flywheel (23) is in a shape similar to a triangle.
2. The crushing device with the material mixing preventing mechanism for the building material production according to claim 1 is characterized in that the left end and the right end, close to the top, of the box body (1) are fixedly connected with mounting plates (7) respectively, extrusion cylinders (8) are mounted at the top ends of the two mounting plates (7), the two push rods (9) are slidably connected to the left end and the right end of the two extrusion cylinders (8) respectively, and the two extrusion plates (11) are fixedly connected to the left end and the right end of the two push rods (9) respectively.
3. The crushing device with the material mixing preventing mechanism for the building material production according to claim 2 is characterized in that baffle plates (22) are arranged at positions below the two extrusion plates (11), the two baffle plates (22) are hinged to inner walls of the left end and the right end of the box body (1) respectively through two fixed rotating shafts (5), the two baffle plates (22) are located on the same horizontal line, the two sliding chutes (6) are symmetrically arranged inside the two baffle plates (22) respectively, and sliding balls (13) are connected inside the two sliding chutes (6) in a sliding mode.
4. The smashing device with the material mixing preventing mechanism for building material production according to claim 3 is characterized in that telescopic rods (12) are fixedly connected to the bottom ends of the two sliding balls (13), the two telescopic rods (12) are sleeved on the two loop bars (4), the two loop bars (4) are respectively and fixedly connected to the top ends of the two telescopic motors (3), and the two telescopic motors (3) are respectively and fixedly connected to the top ends of the two fixed blocks (2) through the two inclined blocks.
5. The crushing device with the material mixing prevention mechanism for the building material production according to claim 4, wherein the two fixing blocks (2) are fixedly connected to the middle positions of the inner walls of the box body (1), respectively.
6. A crushing apparatus with a material mixing prevention mechanism for building material production according to claim 5, characterized in that the conveyor belt (18) is rotatably connected between two fixing bars (17) through a connecting rotating shaft (20), and the two fixing bars (17) are fixedly connected to the bottom inside the box body (1).
7. The crushing device with the material mixing preventing mechanism for the building material production according to claim 6 is characterized in that a feed opening (14) is formed in the position, close to the bottom, of the right end of the box body (1), a feed plate (21) penetrates through the feed opening (14), and the containing box (15) is fixedly connected to the position of the right end of the bottom of the box body (1).
8. The crushing device with the material mixing preventing mechanism for the building material production according to claim 7 is characterized in that a feeding hole (10) is formed in the top of the box body (1), and a discharging hole (28) is formed in the bottom of the rear end face of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011438738.8A CN112547167A (en) | 2020-12-07 | 2020-12-07 | Building material production is with reducing mechanism that has anti-mixing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011438738.8A CN112547167A (en) | 2020-12-07 | 2020-12-07 | Building material production is with reducing mechanism that has anti-mixing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112547167A true CN112547167A (en) | 2021-03-26 |
Family
ID=75060661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011438738.8A Withdrawn CN112547167A (en) | 2020-12-07 | 2020-12-07 | Building material production is with reducing mechanism that has anti-mixing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112547167A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113058530A (en) * | 2021-04-10 | 2021-07-02 | 威海市新兴化工科技有限公司 | Capsule isolation agent production equipment and production process thereof |
| CN113976208A (en) * | 2021-10-25 | 2022-01-28 | 刘清丽 | Wearable ceramic machine |
| CN114733760A (en) * | 2022-03-09 | 2022-07-12 | 徐州建设集团有限公司 | Screening device for stone sand in civil engineering |
| CN117655053A (en) * | 2024-02-01 | 2024-03-08 | 上海山美环保装备股份有限公司 | Building solid waste handles and equips |
-
2020
- 2020-12-07 CN CN202011438738.8A patent/CN112547167A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113058530A (en) * | 2021-04-10 | 2021-07-02 | 威海市新兴化工科技有限公司 | Capsule isolation agent production equipment and production process thereof |
| CN113976208A (en) * | 2021-10-25 | 2022-01-28 | 刘清丽 | Wearable ceramic machine |
| CN113976208B (en) * | 2021-10-25 | 2023-09-01 | 安徽国援智能科技有限公司 | Wearable ceramic machine |
| CN114733760A (en) * | 2022-03-09 | 2022-07-12 | 徐州建设集团有限公司 | Screening device for stone sand in civil engineering |
| CN117655053A (en) * | 2024-02-01 | 2024-03-08 | 上海山美环保装备股份有限公司 | Building solid waste handles and equips |
| CN117655053B (en) * | 2024-02-01 | 2024-04-19 | 上海山美环保装备股份有限公司 | Building solid waste handles and equips |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20210326 |