CN112705338B - Building rubbish reducing mechanism for building - Google Patents
Building rubbish reducing mechanism for building Download PDFInfo
- Publication number
- CN112705338B CN112705338B CN202110119715.9A CN202110119715A CN112705338B CN 112705338 B CN112705338 B CN 112705338B CN 202110119715 A CN202110119715 A CN 202110119715A CN 112705338 B CN112705338 B CN 112705338B
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- plate
- fixedly installed
- construction waste
- casing
- crushing box
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
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- 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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- 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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Disintegrating Or Milling (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
本发明属于建筑垃圾处理技术领域，尤其为一种建筑用建筑垃圾粉碎装置，针对现有的建筑垃圾粉碎装置的粉碎效果不佳，获得的回收垃圾粒径较大，降低了其后续利用价值，且由于不能对粉碎过程中产生的粉尘进行处理，导致污染环境、危害工作人员身体健康的问题，现提出如下方案，其包括外壳和粉碎箱，粉碎箱顶部连通有进料斗，粉碎箱顶部四角均通过铰链转动连接有连接杆的一端，四个连接杆的另一端均通过铰链与外壳顶部内壁转动连接，所述粉碎箱底部开设有多个筛孔。本发明通过对建筑垃圾进行切割、粉碎、筛分、再粉碎，从而便于将垃圾粉碎到较小的粒径，利于后续进行利用，且能够对粉碎产生的粉尘进行收集清理，从而降低粉尘污染。
The invention belongs to the technical field of construction waste treatment, in particular to a construction waste pulverizing device for construction. The existing construction waste pulverizing device has poor pulverizing effect, and the obtained recycled garbage has a larger particle size, which reduces its subsequent utilization value. And because the dust generated in the crushing process cannot be treated, which leads to the problem of polluting the environment and endangering the health of the staff, the following scheme is now proposed, which includes a casing and a crushing box, the top of the crushing box is connected with a feeding hopper, and the four corners of the top of the crushing box are connected. One end of the connecting rod is connected to each other through hinges, and the other ends of the four connecting rods are all connected to the inner wall of the top of the shell through hinges. By cutting, pulverizing, sifting and re-pulverizing the construction waste, the invention facilitates pulverizing the garbage to a smaller particle size for subsequent utilization, and can collect and clean the dust generated by the pulverization, thereby reducing dust pollution.
Description
Technical Field
The invention relates to the technical field of construction waste treatment, in particular to a construction waste crushing device for buildings.
Background
The construction waste refers to residue soil, waste material, residual mud and other wastes generated in the process of construction, laying or dismantling and repairing of various buildings, structures, pipe networks and the like of construction units or personal teams. However, most of the construction wastes are not treated, and are transported to the suburbs or villages by construction units, and are piled or buried in the open air, so that a large amount of construction expenses such as land acquisition expenses and garbage clearing and transporting expenses are consumed, and meanwhile, the problems of scattering, dust, sand flying and the like in the clearing and piling processes cause serious environmental pollution.
At present, the construction waste is crushed, recycled and reused in a more environment-friendly treatment mode, but the crushing effect of the conventional construction waste crushing device is poor, the particle size of the obtained recovered waste is large, the subsequent utilization value of the recovered waste is reduced, and the dust generated in the crushing process cannot be treated, so that the dust is scattered, the environment is polluted, and the health of workers is harmed, so that the construction waste crushing device for the construction is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problems that the conventional building garbage crushing device is poor in crushing effect, the particle size of the obtained recycled garbage is large, the subsequent utilization value of the recycled garbage is reduced, and the dust generated in the crushing process cannot be treated, so that the dust is scattered, the environment is polluted, and the health of workers is harmed.
In order to achieve the purpose, the invention adopts the following technical scheme:
a building garbage crushing device for buildings comprises a shell and a crushing box, wherein the top of the crushing box is communicated with a feed hopper, four corners of the top of the crushing box are rotatably connected with one end of a connecting rod through hinges, the other ends of the four connecting rods are rotatably connected with the inner wall of the top of the shell through hinges, a plurality of sieve holes are formed in the bottom of the crushing box, two transverse shafts are rotatably arranged on the inner walls of two sides of the crushing box, a plurality of cutting knives are fixedly arranged on the outer sides of the transverse shafts, a motor is fixedly arranged on the front side of the crushing box, one end of a worm is fixedly connected onto an output shaft of the motor, belt wheels are fixedly arranged at the other end of the worm and one end of the two transverse shafts, the same belt is rotatably arranged on the three belt wheels, two rotating shafts are rotatably arranged on the inner walls of the front side and the back side of the crushing box, crushing rollers are fixedly sleeved on the outer sides of the two rotating shafts, and a worm wheel and a driving gear are fixedly arranged at the front end and a rear end of the rotating shaft positioned on one side respectively, the worm wheel is meshed with the worm, a driven gear is fixedly installed at the rear end of a rotating shaft at the other side, the driving gear is meshed with the driven gear, a round shaft is fixedly installed at the bottom of the rear side of the driving gear, one end of a pull rod is rotatably sleeved outside the round shaft, the other end of the pull rod is rotatably connected with the inner wall of one side of the shell through a hinge, a frame body and a water tank are fixedly installed at one side of the shell, an air outlet is formed in the frame body, one side of the frame body is provided with an opening, the bottom of the frame body is communicated with one end of an air pipe, the other end of the air pipe extends into the water tank, a piston plate is slidably and hermetically installed in the frame body, one side of the piston plate is fixedly connected with one end of a cross rod, the other end of the cross rod extends into the shell and is fixedly installed with a vertical plate, two transverse plates are fixedly installed at one side of the vertical plate, two transverse plates are rotatably installed at one side close to each other, and are both in rolling connection with one side of the crushing box, the inner wall of the top of the frame body is fixedly provided with a connecting plate, the bottom of one side of the connecting plate is fixedly provided with a guide rail, the guide rail is internally and slidably provided with a sliding plate, one side of the sliding plate is fixedly provided with a baffle, and the baffle is movably abutted to one side of the shell.
Preferably, the other side of the sliding plate is fixedly connected with one end of a connecting spring, and the other end of the connecting spring is fixedly connected with the inner wall of one side of the guide rail to reset the sliding plate.
Preferably, one end of each compression spring is fixedly connected to the other side of the piston plate, and the other end of each compression spring is fixedly connected to the inner wall of the other side of the frame body to reset the piston plate.
Preferably, one end of each guide rod is fixedly connected to the other side of the piston plate, and the frame body is slidably sleeved on the outer side of each guide rod to further guide the piston plate.
Preferably, the shell inboard is provided with collects the frame, collects the top of frame and is the opening setting, collects the equal fixed mounting in frame bottom four corners and has the support, all rotates in four supports and installs the supporting wheel, and four supporting wheels all with shell bottom inner wall roll connection, are convenient for collect the building rubbish of smashing the completion.
Preferably, the bottom of the other side of the shell is provided with a through hole and is rotatably connected with a cover plate through a hinge, and the shell on one side of the cover plate is movably abutted against the other side of the cover plate to seal the shell.
Preferably, smash equal fixed mounting on the incasement wall of case both sides has the stock guide, and the stock guide all sets up to the arc, and the equal fixed mounting in one side that two stock guides are close to each other has a plurality of fender teeth, and the equal fixed mounting in two stock guide tops has the swash plate, two swash plates respectively with smash incasement wall fixed connection in both sides, carry out the motion direction to building rubbish.
Preferably, crushing case front side fixed mounting has the locating plate, and the locating plate rotates to cup joint in the worm outside, rotates the location to the worm, makes the worm rotational motion more stable.
In the invention, a proper amount of clear water is added into a water tank, a motor is started, then the construction waste is put into a crushing box through a feed hopper, an output shaft of the motor drives a worm to rotate, the worm drives two transverse shafts to rotate at high speed through transmission between three belt wheels and a belt, the two transverse shafts respectively drive a plurality of cutting knives to rotate at high speed, the construction waste is cut through the high-speed rotation of the cutting knives, thereby facilitating the subsequent crushing, simultaneously, the worm rotates and drives a worm wheel to rotate anticlockwise, the worm wheel drives a rotating shaft positioned at one side and a driving gear to rotate anticlockwise, the driving gear drives the rotating shaft positioned at the other side through meshing with a driven gear, the two rotating shafts respectively drive the corresponding crushing rollers to rotate, the construction waste is crushed through the rotation of the two crushing rollers, and simultaneously, the driving gear drives a round shaft to do circular motion based on the rotation center of the driving gear, the round shaft drives the pull rod to deflect through the rotary matching with the pull rod, the pull rod drives the crushing box to swing left and right through the rotary connection with the inner wall of one side of the shell, the crushing box reciprocates up and down while swinging left and right, so that crushed building garbage is driven to be sieved, the crushed building garbage with qualified particle size falls through sieve pores, the crushed building garbage is collected by the collecting frame, the crushed unqualified crushed garbage moves left and right in the crushing box, the guide plate throws the building garbage into the air and moves between the two crushing rollers again to be crushed again, and the building garbage is crushed repeatedly, so that the building garbage is guaranteed to be crushed to the qualified particle size;
in the building garbage crushing device for the building, the vertical plate is pushed to move to one side by the contact of the roller while the crushing box moves to be close to the frame body, the vertical plate drives the piston plate to slide to one side in the frame body through the cross rod and compresses the compression spring, thereby forming negative pressure in the frame body, dust generated by crushing in the shell enters the frame body through the air outlet, the dust pushes the baffle to move to one side and compress the connecting spring, when the crushing box moves to the other side, the baffle is reset under the elastic force of the connecting spring, and the air outlet is blocked, the piston plate is reset under the elastic force of the compression spring and slides reversely, the dust in the frame is guided into the water tank through the vent pipe, and the clear water in the water tank adsorbs the dust, so that the damage to the environment and the damage to the health of workers are reduced;
the garbage crusher is reasonable in structural design, can crush the garbage to a smaller particle size by cutting, crushing, screening and re-crushing the construction garbage, is beneficial to subsequent utilization, can collect and clean dust generated by crushing, and is high in reliability.
Drawings
Fig. 1 is a schematic structural view of a construction waste crushing device for construction according to the present invention;
FIG. 2 is a schematic cross-sectional view of a construction waste crushing device for construction according to the present invention;
FIG. 3 is a schematic structural diagram of part A of a construction waste crushing device for construction according to the present invention;
FIG. 4 is a schematic structural view of a section B-B of the construction waste crushing device for construction according to the present invention;
fig. 5 is a rear view of the driving gear, the driven gear, the circular shaft and the pull rod according to the present invention.
In the figure: 1. a housing; 2. a crushing box; 3. a feed hopper; 4. a connecting rod; 5. a rotating shaft; 6. a crushing roller; 7. a horizontal axis; 8. a cutting knife; 9. a motor; 10. a worm gear; 11. a driving gear; 12. a driven gear; 13. a circular shaft; 14. a pull rod; 15. a pulley; 16. a belt; 17. a frame body; 18. a water tank; 19. a breather pipe; 20. a guide bar; 21. a cover plate; 22. a collection frame; 23. a piston plate; 24. a guide rail; 25. a connecting spring; 26. a slide plate; 27. a baffle plate; 28. a compression spring; 29. a cross bar; 30. a vertical plate; 31. a transverse plate; 32. a roller; 33. a material guide plate; 34. screening holes; 35. a worm; 36. and (7) positioning the plate.
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.
Referring to fig. 1-5, a construction waste crushing device for buildings comprises a housing 1 and a crushing box 2, the top of the crushing box 2 is communicated with a feed hopper 3, four corners of the top of the crushing box 2 are rotatably connected with one end of a connecting rod 4 through hinges, the other ends of the four connecting rods 4 are rotatably connected with the inner wall of the top of the housing 1 through hinges, the bottom of the crushing box 2 is provided with a plurality of sieve holes 34, two transverse shafts 7 are rotatably mounted on the inner walls of two sides of the crushing box 2, a plurality of cutting knives 8 are fixedly mounted on the outer sides of the transverse shafts 7, a motor 9 is fixedly mounted on the front side of the crushing box 2, one end of a worm 35 is fixedly connected with an output shaft of the motor 9, belt pulleys 15 are fixedly mounted on the other ends of the worm 35 and one ends of the two transverse shafts 7, the same belt 16 is rotatably mounted on the three belt pulleys 15, two rotating shafts 5 are rotatably mounted on the inner walls of the front and back sides of the crushing box 2, and crushing rollers 6 are fixedly sleeved on the outer sides of the two rotating shafts 5, a worm wheel 10 and a driving gear 11 are respectively fixedly installed at the front end and the rear end of a rotating shaft 5 positioned at one side, the worm wheel 10 is meshed with a worm 35, a driven gear 12 is fixedly installed at the rear end of the rotating shaft 5 positioned at the other side, the driving gear 11 is meshed with the driven gear 12, a round shaft 13 is fixedly installed at the bottom of the rear side of the driving gear 11, one end of a pull rod 14 is rotatably sleeved outside the round shaft 13, the other end of the pull rod 14 is rotatably connected with the inner wall of one side of a shell 1 through a hinge, a frame body 17 and a water tank 18 are fixedly installed at one side of the shell 1 and provided with an air outlet, one side of the frame body 17 is provided with an opening, one end of a vent pipe 19 is communicated with the bottom of the frame body 17, the other end of the vent pipe 19 extends into the water tank 18, a piston plate 23 is installed in the frame body 17 in a sliding sealing manner, one side of the piston plate 23 is fixedly connected with one end of a cross rod 29, the other end of the cross rod 29 extends into the shell 1 and is fixedly installed with a vertical plate 30, riser 30 one side fixed mounting has two diaphragm 31, and two diaphragm 31 one side that is close to each other is rotated and is installed two gyro wheels 32, and two gyro wheels 32 all with smash case 2 one side roll connection, and fixed mounting has the connecting plate on the inner wall of framework 17 top, and connecting plate one side bottom fixed mounting has guide rail 24, and slidable mounting has slide 26 in the guide rail 24, and slide 26 one side fixed mounting has baffle 27, baffle 27 and 1 one side activity butt of shell.
In this embodiment, one end of the connecting spring 25 is fixedly connected to the other side of the sliding plate 26, and the other end of the connecting spring 25 is fixedly connected to the inner wall of one side of the guide rail 24 to reset the sliding plate 26.
In this embodiment, one ends of the plurality of compression springs 28 are fixedly connected to the other side of the piston plate 23, and the other ends of the plurality of compression springs 28 are fixedly connected to the inner wall of the other side of the frame 17, thereby restoring the piston plate 23.
In this embodiment, one end of the plurality of guide rods 20 is fixedly connected to the other side of the piston plate 23, and the frame 17 is slidably sleeved outside the plurality of guide rods 20 to further guide the piston plate 23.
In this embodiment, 1 inboard of shell is provided with collects frame 22, and the top of collecting frame 22 is the opening setting, and the equal fixed mounting in collection frame 22 bottom four corners has the support, all rotates in four supports and installs the supporting wheel, and four supporting wheels all with 1 bottom inner wall roll connection of shell, are convenient for collect the building rubbish of smashing the completion.
In this embodiment, the bottom of the other side of the housing 1 is provided with a through hole and is rotatably connected with a cover plate 21 through a hinge, and one side of the cover plate 21 is movably abutted against the other side of the housing 1 to seal the housing 1.
In this embodiment, smash equal fixed mounting on 2 both sides inner walls of case and have stock guide 33, stock guide 33 all sets up to the arc, and the equal fixed mounting in one side that two stock guide 33 are close to each other has a plurality of fender teeth, and the equal fixed mounting in two stock guide 33 tops has the swash plate, two swash plates respectively with smash 2 both sides inner walls fixed connection of case, carry out the motion guidance to building rubbish.
In this embodiment, crushing case 2 front side fixed mounting has locating plate 36, and locating plate 36 rotates to cup joint in the worm 35 outside, rotates the location to worm 35, makes worm 35 rotational motion more stable.
In the embodiment, when the garbage crusher is used, a proper amount of clean water is added into a water tank 18, a motor 9 is started, then construction garbage is put into a crushing box 2 through a feed hopper 3, an output shaft of the motor 9 drives a worm 35 to rotate, the worm 35 drives two transverse shafts 7 to rotate at a high speed through transmission between three belt wheels 15 and a belt 16, the two transverse shafts 7 respectively drive a plurality of cutting knives 8 to rotate at a high speed, the construction garbage is cut through the high-speed rotation of the cutting knives 8, so that subsequent crushing is facilitated, meanwhile, the worm 35 drives a worm wheel 10 to rotate to drive a counterclockwise rotation, the worm wheel 10 drives a rotating shaft 5 and a driving gear 11 on one side to rotate counterclockwise, the driving gear 11 drives a rotating shaft 5 on the other side to rotate through meshing with a driven gear 12, the two rotating shafts 5 respectively drive corresponding crushing rollers 6 to rotate, and the construction garbage is crushed through the rotation of the two crushing rollers 6, meanwhile, the driving gear 11 drives the circular shaft 13 to do circular motion based on the rotation center of the driving gear 11, the circular shaft 13 drives the pull rod 14 to deflect through the rotation matching with the pull rod 14, the pull rod 14 drives the crushing box 2 to swing left and right through the rotation connection with the inner wall of one side of the shell 1, and the crushing box 2 reciprocates up and down while swinging left and right, so as to drive the crushed construction waste to be screened, the crushed construction waste with qualified particle size falls through the sieve holes 34, the crushed construction waste is collected by the collecting frame 22, the crushed unqualified crushing waste moves left and right in the crushing box 2, the guide plate 33 throws the construction waste into the air and moves between the two crushing rollers 6 again, the construction waste is crushed to be in qualified particle size through repeated crushing, and the vertical plate 30 is pushed to move to one side through the contact with the roller 32 while the crushing box 2 moves close to the frame body 17, the riser 30 passes through horizontal pole 29 and drives piston plate 23 and slide to one side in framework 17 and compress compression spring 28, thereby make and form the negative pressure in the framework 17, the dust that produces because of smashing passes through in the air outlet gets into framework 17 in the shell 1, the dust promotes baffle 27 and compresses connecting spring 25 to one side motion, smash case 2 when moving to the opposite side, baffle 27 resets under connecting spring 25's spring action, and shutoff to the air outlet, piston plate 23 resets the reverse slip under compression spring 28's spring action, and pass through in the leading-in basin 18 of breather pipe 19 with the dust in the framework 17, the clear water in the basin 18 adsorbs the dust, thereby reduce the destruction to the environment and the harm healthy to the staff.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110119715.9A CN112705338B (en) | 2021-01-28 | 2021-01-28 | Building rubbish reducing mechanism for building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110119715.9A CN112705338B (en) | 2021-01-28 | 2021-01-28 | Building rubbish reducing mechanism for building |
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| CN112705338A CN112705338A (en) | 2021-04-27 |
| CN112705338B true CN112705338B (en) | 2022-04-15 |
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| CN202110119715.9A Active CN112705338B (en) | 2021-01-28 | 2021-01-28 | Building rubbish reducing mechanism for building |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649115A (en) * | 2021-08-20 | 2021-11-16 | 宋燕燕 | Building rubbish reducing mechanism based on building site |
| CN114832902B (en) * | 2022-05-25 | 2023-11-10 | 盛尔建设集团有限公司 | Building rubbish crushing apparatus for building |
| CN115256707A (en) * | 2022-08-25 | 2022-11-01 | 安徽省金正塑业有限公司 | Reducing mechanism is used in plastics waste recycling |
| CN117339718B (en) * | 2023-10-12 | 2024-07-19 | 广东三船矿业有限公司 | Combined movable crusher |
| CN119098248B (en) * | 2024-09-23 | 2025-06-06 | 曲阳县建硕环保科技有限公司 | Green construction waste treatment device with dustproof function |
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| GB921193A (en) * | 1958-11-26 | 1963-03-13 | Mavor & Coulson Ltd | Improvements in coal mining machines |
| CN106694194A (en) * | 2016-12-28 | 2017-05-24 | 河南微服网络科技有限公司 | Environment-friendly building trash smashing and collecting device |
| CN107570291A (en) * | 2017-09-29 | 2018-01-12 | 南京华域云脑信息科技有限公司 | A kind of adjustable speed dust suction reducing mechanism for being used to crush colliery |
| CN211587934U (en) * | 2020-02-09 | 2020-09-29 | 叶锵 | Building waste treatment device based on civil engineering |
| CN212309708U (en) * | 2020-03-26 | 2021-01-08 | 东莞市中南环保科技有限公司 | Kitchen waste recycling device |
-
2021
- 2021-01-28 CN CN202110119715.9A patent/CN112705338B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB921193A (en) * | 1958-11-26 | 1963-03-13 | Mavor & Coulson Ltd | Improvements in coal mining machines |
| CN106694194A (en) * | 2016-12-28 | 2017-05-24 | 河南微服网络科技有限公司 | Environment-friendly building trash smashing and collecting device |
| CN107570291A (en) * | 2017-09-29 | 2018-01-12 | 南京华域云脑信息科技有限公司 | A kind of adjustable speed dust suction reducing mechanism for being used to crush colliery |
| CN211587934U (en) * | 2020-02-09 | 2020-09-29 | 叶锵 | Building waste treatment device based on civil engineering |
| CN212309708U (en) * | 2020-03-26 | 2021-01-08 | 东莞市中南环保科技有限公司 | Kitchen waste recycling device |
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| CN112705338A (en) | 2021-04-27 |
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