CN114345461A - Building engineering gravel crushing device and construction method thereof - Google Patents
Building engineering gravel crushing device and construction method thereof Download PDFInfo
- Publication number
- CN114345461A CN114345461A CN202111548701.5A CN202111548701A CN114345461A CN 114345461 A CN114345461 A CN 114345461A CN 202111548701 A CN202111548701 A CN 202111548701A CN 114345461 A CN114345461 A CN 114345461A
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- Prior art keywords
- box body
- material conveying
- feed hopper
- plate
- crushing roller
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- 238000010276 construction Methods 0.000 title claims description 8
- 239000000463 material Substances 0.000 claims abstract description 45
- 239000000428 dust Substances 0.000 claims abstract description 40
- 239000004576 sand Substances 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 239000004575 stone Substances 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 230000007306 turnover Effects 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
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
- 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
-
- 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
- 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
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a sand and stone crushing device for constructional engineering, which comprises a box body, a feed hopper, a crushing mechanism, a material conveying barrel and a material discharging hopper; the feed hopper is arranged at the top of the box body; the crushing mechanism is arranged inside the box body; the crushing mechanism comprises a first crushing roller, a second crushing roller and a first motor; the material conveying cylinder is columnar and is hollow; the material conveying barrel is horizontally arranged below the crushing mechanism; a feed inlet is formed in the left side of the top of the material conveying cylinder, and a discharge pipe is formed in the right side of the bottom of the material conveying cylinder; a screw rod is arranged in the transmission barrel in a through-long manner; a discharge opening is formed below the discharge pipe; the device can realize the plugging of the feed hopper when the sand and stone are crushed, and avoid the flying of dust and the splashing of the sand and stone; the setting of hob can be sieved out unqualified grit through the filter screen, can realize screening the grit automatically after the breakage.
Description
Technical Field
The invention belongs to the technical field of crushing devices, and particularly relates to a sand and stone crushing device for constructional engineering and a construction method thereof.
Background
The building engineering refers to an engineering entity formed by the construction of various building buildings and their auxiliary facilities and the installation of lines, pipes and equipment matched with them, wherein the building buildings refer to the engineering which has top covers, beams, columns, walls, foundations and can form internal spaces and meet the requirements of people for production, living, study and public activities.
Concrete is essential building material in building engineering, and need add the grit of certain proportion when making the concrete, and the grit of big specification need just can use through crushing treatment, current building engineering grit breaker does not handle the dust that produces in the crushing process, and the grit jumps out from the feed inlet very easily, not only can increase the work load of the follow-up clearance of user, and there is the potential safety hazard, and to the grit after the grinding, in order to guarantee the grit quality, still need screening once more to handle, increase the process, and the work efficiency is reduced.
Disclosure of Invention
The invention provides a gravel crushing device for constructional engineering, and aims to solve the problem of crushing gravel.
In order to achieve the aim, the invention provides a sand and stone crushing device for constructional engineering, which comprises a box body, a feed hopper, a crushing mechanism, a material conveying barrel and a material discharging hopper; the feed hopper is arranged at the top of the box body; a guide hole is formed in the front side surface of the feed hopper; a turnover plate and a dust collection cavity plate are arranged in the feed hopper; the turnover plate is horizontally hinged with the dust collection cavity plate, and the dust collection cavity plate is hinged with the inner wall of the feed hopper; a telescopic rod is arranged outside the feed hopper; the telescopic rod is connected with the turnover plate through a transmission rod; the transmission rod penetrates through the guide hole; the crushing mechanism is arranged inside the box body; the crushing mechanism comprises a first crushing roller, a second crushing roller and a first motor; the first motor is arranged on the front side of the box body, and the output end of the first motor is connected with a rotating rod; the middle part of the rotating rod is connected with a first gear; the first crushing roller is arranged in the box body, the front end of the first crushing roller is connected with the rotating rod, and the tail end of the first crushing roller is rotatably connected with the side wall of the box body; the second crushing roller is arranged in the box body, and a gap is reserved between the second crushing roller and the first crushing roller; the front end of the second crushing roller is provided with a second gear, and the tail end of the second crushing roller is rotationally connected with the side wall of the box body; the second gear is meshed with the first gear; the material conveying cylinder is columnar and is hollow; the material conveying barrel is horizontally arranged below the crushing mechanism; a feed inlet is formed in the left side of the top of the material conveying cylinder, and a discharge pipe is formed in the right side of the bottom of the material conveying cylinder; a screw rod is arranged in the transmission barrel in a through-long manner; the left end of the screw rod sequentially penetrates through the left end face of the material conveying barrel and the box body and is driven by a second motor; the second motor is arranged on the outer side of the side wall of the left side of the box body; a discharge opening is formed below the discharge pipe; the bottom of the material conveying barrel is provided with a long opening; a filter screen is arranged on the long strip opening; a second guide plate is obliquely arranged between the filter screen and the discharge pipe, and the lower end of the second guide plate is arranged on the inner wall of the left side of the box body; the discharge hopper is arranged above the second guide plate.
Furthermore, a first guide plate is arranged above the material conveying barrel, and the first guide plate is obliquely arranged between the inner wall of the box body and the material inlet.
Furthermore, the telescopic rod is arranged in a limiting groove, the limiting groove is arranged on the top surface of the box body, and a device for electrically controlling the telescopic rod is arranged in the limiting groove; the telescopic rod drives the transmission rod to horizontally move in the guide hole.
Furthermore, the first gear and the second gear are located on the outer side of the box body, the first gear and the second gear are arranged in the protective shell, and the protective shell is fixedly arranged on the front side wall of the box body.
Furthermore, the bottom surface of the cavity plate is provided with a dust collection head, and the top surface of the dust collection cavity plate is connected with a telescopic pipe; the telescopic pipe penetrates through the right side wall of the feed hopper and is connected with the dust collection mechanism.
Furthermore, the screw rod comprises a rotating rod and a thread plate arranged around the outer part of the rotating rod.
Furthermore, supporting legs are arranged below the box body.
The construction method of the sandstone crushing device for the building engineering comprises the following steps:
s1, controlling the rotation of the turnover plate, and contracting the telescopic rod into the limiting groove to enable the turnover plate to drive the dust collection cavity plate to rotate, so that the turnover plate and the dust collection cavity plate are folded;
s2, placing gravels into the feed hopper; the sand and stone enter a crushing mechanism in the box body through a feed hopper;
s3, controlling the telescopic rod to drive the turnover plate to rotate, and plugging the feed hopper; dedusting the interior of the box body through a dust collection head on the bottom surface of the dust collection cavity plate;
s4, starting the first motor to drive the crushing roller to crush the gravel, and discharging the crushed gravel into the conveying barrel through the first guide plate and the feeding hole;
s5, separating the processed sand from the conveying cylinder: the screw rod drives the sand and stone to move in the material conveying barrel, and unqualified sand and stone are discharged from the discharge hopper through the filter screen below the screw rod; qualified gravel moves to the discharge port through the screw rod and is discharged from the discharge port to the box body, and the treatment is finished.
Compared with the prior art, the invention has the beneficial effects that: the device can realize the plugging of the feed hopper when the sand and stone are crushed, and avoid the flying of dust and the splashing of the sand and stone; can pass through the filter screen screening with unqualified grit through the setting of hob and come out, can realize screening the grit automatically after broken.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of the structure of the roll-over panel of the present invention.
Fig. 3 is a schematic view of the structure of the dust-collecting cavity plate of the present invention.
Fig. 4 is a schematic sectional view of the material conveying barrel of the present invention.
Fig. 5 is a schematic structural view of the material conveying cylinder of the invention.
Fig. 6 is a schematic structural view of the crushing mechanism of the present invention.
Description of the drawings: 1. a box body; 2. a turnover plate; 201. a guide hole; 202. a transmission rod; 203. a telescopic rod; 3. a dust-collecting cavity plate; 301. a dust collection head; 302. a telescopic pipe; 303. a dust suction mechanism; 4. a crushing mechanism; 401. a first crushing roller; 402. a second crushing roller; 403. a first gear; 404. a second gear; 405. a first motor; 406. rotating the rod; 5. a second motor; 6. a discharge hopper; 7. a support leg; 8. a limiting groove; 9. a protective shell; 10. a feed hopper; 11. a feed inlet; 12. a first guide plate; 13. a material conveying barrel; 14. a discharge pipe; 15. a filter screen; 16. a second guide plate; 17. a discharge outlet; 18. a screw rod; 18.1, rotating the rod; 18.2, thread 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 specification, 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.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
With the attached drawings, the invention relates to a sand and stone crushing device for constructional engineering, which comprises a box body 1, a feed hopper 10, a crushing mechanism 4, a material conveying cylinder 13 and a discharge hopper 6; the feed hopper 10 is arranged at the top of the box body 1; a guide hole 201 is arranged on the front side surface of the feed hopper 10; a turnover plate 2 and a dust collection cavity plate 3 are arranged in the feed hopper 10; the turnover plate 2 is horizontally hinged with the dust absorption cavity plate 3, and the dust absorption cavity plate 3 is hinged with the inner wall of the feed hopper 10; an expansion rod 203 is arranged outside the feed hopper 10; the telescopic rod 203 is connected with the turnover plate 2 through a transmission rod 202; the transmission rod 202 is arranged in the guide hole 201 in a penetrating manner; the crushing mechanism 4 is arranged inside the box body 1; the crushing mechanism 4 comprises a first crushing roller 401, a second crushing roller 402 and a first motor 405; the first motor 405 is arranged at the front side of the box body 1, and the output end of the first motor 405 is connected with a rotating rod 406; a first gear 403 is connected to the middle of the rotating rod 406; the first crushing roller 401 is installed inside the box body 1, the front end of the first crushing roller 401 is connected with the rotating rod 406, and the tail end of the first crushing roller 401 is rotatably connected with the side wall of the box body 1; the second crushing roller 402 is installed inside the housing 1 with a gap between the second crushing roller 402 and the first crushing roller 401; the front end of the second crushing roller 402 is provided with a second gear 404, and the tail end of the second crushing roller 402 is rotationally connected with the side wall of the box body 1; the second gear 404 is meshed with the first gear 403; the material conveying cylinder 13 is columnar, and the interior of the material conveying cylinder 13 is hollow; the material conveying barrel 13 is horizontally arranged below the crushing mechanism 4; a feed inlet 11 is arranged on the left side of the top of the material conveying cylinder 13, and a discharge pipe 14 is arranged on the right side of the bottom of the material conveying cylinder 13; a screw rod 18 is arranged in the transmission barrel 13 in a through-length mode; the left end of the screw rod 18 sequentially penetrates through the left end surface of the material conveying barrel 13 and the box body 1 and is driven by the second motor 5; the second motor 5 is arranged on the outer side of the side wall on the left side of the box body 1; a discharge opening 17 is arranged below the discharge pipe 14; the bottom of the material conveying barrel 13 is provided with a long strip opening; a filter screen 15 is arranged on the long strip opening; a second guide plate 16 is obliquely arranged between the filter screen 15 and the discharge pipe 14, and the lower end of the second guide plate 16 is arranged on the inner wall of the left side of the box body 1; the discharge hopper 6 is arranged above the second guide plate 16.
The telescopic rod 203 is arranged in the limiting groove 8, and the limiting groove 8 is arranged on the top surface of the box body 1; the electric device is arranged in the limiting groove 8, the telescopic rod 203 can be controlled to stretch out and retract through the limiting groove 8, the driving transmission rod 202 is driven to horizontally move in the guide hole 201, the overturning plate 2 and the dust collection cavity plate 3 are unfolded and folded, and feeding and blocking of the feeding hopper 10 are achieved.
A dust suction head 301 is arranged on the bottom surface of the dust suction cavity plate 3, and a telescopic pipe 302 is connected on the top surface of the dust suction cavity plate 3; the telescopic pipe 302 penetrates through the right side wall of the feed hopper 10 and is connected with a dust suction mechanism 303; when the sand enters the crushing mechanism 4, the overturning plate 2 and the dust collection cavity plate 3 are in an open state to block the feed hopper 10; the inside of the case 1 can be cleaned by the dust suction head 301.
The first gear 403 and the second gear 402 are located outside the box body 1, the first gear 403 and the second gear 402 are arranged in the protective shell 9, and the protective shell 9 is fixedly arranged on the front side wall of the box body 1, so that the influence of gear transmission on the inside of the box body 1 is reduced.
A first guide plate 12 is arranged above the material conveying barrel 13, and the first guide plate 12 is obliquely arranged between the inner wall of the box body 1 and the feeding hole 11; the sand treated by the crushing mechanism 4 enters the feed opening 11 via the first guide plate 12.
The screw rod 18 comprises a rotating rod 18.1 and a thread plate 18.2 arranged around the outside of the rotating rod 18.1; the second motor 5 drives the transmission rod 18.1 to rotate, so that the rotation of the thread plate 18.2 is realized, crushed sand enters the material conveying cylinder 13 through the feeding hole 11, the rotation of the thread plate 18.2 drives the sand to move in the material conveying cylinder 13, the crushed unqualified sand is screened through the filter screen 15 while moving, and the unqualified sand is guided to the discharge hopper 6 through the second guide plate 16 to be discharged; the conforming sand is pushed to the discharge pipe 14 to be discharged and then discharged out of the inner cavity of the box body 1 through the discharge port 17.
And supporting legs 7 are arranged below the box body 1. The number of the supporting legs 7 is four, and the supporting legs are respectively arranged at the bottom of the box body 1.
The construction method of the sandstone crushing device for the building engineering comprises the following steps:
s1, controlling the rotation of the turnover plate 2, and retracting the telescopic rod 203 into the limiting groove 8, so that the turnover plate 2 drives the dust collection cavity plate 3 to rotate, and the turnover plate 2 and the dust collection cavity plate 3 are folded;
s2, placing gravels into the feed hopper 10; the sand and stone enter the crushing mechanism 4 in the box body 1 through the feed hopper 10;
s3, controlling the telescopic rod 203 to drive the turnover plate 2 to rotate, and plugging the feed hopper 10; the interior of the box body 1 is dedusted by a dust collection head 301 on the bottom surface of the dust collection cavity plate 3;
s4, starting the first motor 405 to drive the crushing roller 401 to crush the gravel, and discharging the crushed gravel into the conveying barrel 13 through the first guide plate 12 and the feed port 11;
s5, separating the processed sand from the material conveying cylinder 13: the screw rod 18 in the material conveying barrel 13 drives the sand and stone to move, and unqualified sand and stone are discharged from the discharge hopper 6 through the filter screen 15 below the screw rod 18; qualified sand is moved to the discharge port through the screw rod 18 and is discharged from the discharge port 17 to the box body 1 until the treatment is finished.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a building engineering grit breaker, characterized by: comprises a box body (1), a feed hopper (10), a crushing mechanism (4), a material conveying barrel (13) and a material discharging hopper (6); the feed hopper (10) is arranged at the top of the box body (1); a guide hole (201) is arranged on the front side surface of the feed hopper (10); a turnover plate (2) and a dust collection cavity plate (3) are arranged in the feed hopper (10); the turnover plate (2) is horizontally hinged with the dust absorption cavity plate (3), and the dust absorption cavity plate (3) is hinged with the inner wall of the feed hopper (10); an expansion rod (203) is arranged on the outer side of the feed hopper (10); the telescopic rod (203) is connected with the turnover plate (2) through a transmission rod (202); the transmission rod (202) penetrates through the guide hole (201); the crushing mechanism (4) is arranged inside the box body (1); the crushing mechanism (4) comprises a first crushing roller (401), a second crushing roller (402) and a first motor (405); the first motor (405) is arranged on the front side of the box body (1), and the output end of the first motor (405) is connected with a rotating rod (406); a first gear (403) is connected to the middle part of the rotating rod (406); the first crushing roller (401) is arranged in the box body (1), the front end of the first crushing roller (401) is connected with the rotating rod (406), and the tail end of the first crushing roller (401) is rotatably connected with the side wall of the box body (1); the second crushing roller (402) is arranged in the box body (1), and a gap is reserved between the second crushing roller (402) and the first crushing roller (401); the front end of the second crushing roller (402) is provided with a second gear (404), and the tail end of the second crushing roller (402) is rotationally connected with the side wall of the box body (1); the second gear (404) is meshed with the first gear (403); the material conveying cylinder (13) is columnar, and the interior of the material conveying cylinder (13) is hollow; the material conveying barrel (13) is horizontally arranged below the crushing mechanism (4); a feed inlet (11) is formed in the left side of the top of the material conveying cylinder (13), and a discharge pipe (14) is formed in the right side of the bottom of the material conveying cylinder (13); a screw rod (18) is arranged in the transmission barrel (13) in a through-length mode; the left end of the screw rod (18) sequentially penetrates through the left end face of the material conveying barrel (13) and the box body (1) and is driven by a second motor (5); the second motor (5) is arranged on the outer side of the side wall on the left side of the box body (1); a discharge opening (17) is arranged below the discharge pipe (14); the bottom of the material conveying barrel (13) is provided with a long opening; a filter screen (15) is arranged on the long strip opening; a second guide plate (16) is obliquely arranged between the filter screen (15) and the discharge pipe (14), and the lower end of the second guide plate (16) is arranged on the inner wall of the left side of the box body (1); the discharge hopper (6) is arranged above the second guide plate (16).
2. The constructional engineering grit breaking apparatus of claim 1, wherein: a first guide plate (12) is arranged above the material conveying barrel (13), and the first guide plate (12) is obliquely arranged between the inner wall of the box body (1) and the feeding hole (11).
3. The constructional engineering grit breaking apparatus of claim 1, wherein: the telescopic rod (203) is arranged in the limiting groove (8), the limiting groove (8) is arranged on the top surface of the box body (1), and a device for electrically controlling the telescopic rod (203) is arranged in the limiting groove (8); the telescopic rod (203) drives the transmission rod (202) to horizontally move in the guide hole (201).
4. The constructional engineering grit breaking apparatus of claim 1, wherein: the first gear (403) and the second gear (402) are located on the outer side of the box body (1), the first gear (403) and the second gear (402) are arranged in the protective shell (9), and the protective shell (9) is fixedly arranged on the front side wall of the box body (1).
5. The constructional engineering grit breaking apparatus of claim 1, wherein: a dust suction head (301) is arranged on the bottom surface of the dust suction cavity plate (3), and a telescopic pipe (302) is connected to the top surface of the dust suction cavity plate (3); the telescopic pipe (302) penetrates through the right side wall of the feed hopper (10) and is connected with a dust suction mechanism (303).
6. The constructional engineering grit breaking apparatus of claim 1, wherein: the screw rod (18) comprises a rotating rod (18.1) and a thread plate (18.2) arranged outside the rotating rod (18.1).
7. The constructional engineering grit breaking apparatus of claim 1, wherein: supporting legs (7) are arranged below the box body (1).
8. A construction method of the sand crushing device for construction engineering as claimed in any one of claims 1 to 7, characterized in that:
s1, controlling the turning plate (2) to rotate: the telescopic rod (203) is contracted into the limiting groove (8), so that the turnover plate (2) drives the dust collection cavity plate (3) to rotate, and the turnover plate (2) and the dust collection cavity plate (3) are folded;
s2, placing gravel into the feed hopper (10): the sand and stone enter a crushing mechanism (4) in the box body (1) through a feed hopper (10);
s3, controlling the telescopic rod (203) to drive the turnover plate (2) to rotate, and plugging the feed hopper (10); the interior of the box body (1) is dedusted by a dust collection head (301) at the bottom of the dust collection cavity plate (3);
s4, starting a first motor (405) to drive a crushing roller (401) to crush the gravel, and discharging the crushed gravel into a material conveying cylinder (13) through a first guide plate (12) and a feed port (11);
s5, separating the processed sand from the conveying cylinder (13): the screw rod (18) in the material conveying barrel (13) drives the gravels to move, and unqualified gravels are discharged from the discharge hopper (6) through the filter screen (15) below the screw rod (18); qualified sand and stones are moved to the discharge port through the screw rod (18) and are discharged from the discharge port (17) to the box body (1), and the treatment is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111548701.5A CN114345461A (en) | 2021-12-17 | 2021-12-17 | Building engineering gravel crushing device and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111548701.5A CN114345461A (en) | 2021-12-17 | 2021-12-17 | Building engineering gravel crushing device and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114345461A true CN114345461A (en) | 2022-04-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111548701.5A Pending CN114345461A (en) | 2021-12-17 | 2021-12-17 | Building engineering gravel crushing device and construction method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN114345461A (en) |
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2021
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| ES1064460U (en) * | 2006-12-20 | 2007-03-16 | Agarin S.L. | Vacuum cleaner for collection of olives and similar (Machine-translation by Google Translate, not legally binding) |
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| CN214382725U (en) * | 2020-10-14 | 2021-10-12 | 四川世宏科技有限公司 | Reducing mechanism for chemical industry |
| CN112474256A (en) * | 2020-11-11 | 2021-03-12 | 浙江骏泰建设工程有限公司 | Gravel screening and collecting device and process for highway construction |
| CN214765724U (en) * | 2020-12-31 | 2021-11-19 | 中电建路桥集团有限公司 | High-efficient breaker is used in road bridge engineering with categorised discharge mechanism |
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Application publication date: 20220415 |