CN217016795U - Screening plant is smashed to grit - Google Patents
Screening plant is smashed to grit Download PDFInfo
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- CN217016795U CN217016795U CN202220761000.3U CN202220761000U CN217016795U CN 217016795 U CN217016795 U CN 217016795U CN 202220761000 U CN202220761000 U CN 202220761000U CN 217016795 U CN217016795 U CN 217016795U
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Abstract
The utility model discloses a sand and stone crushing and screening device, wherein a feed hopper is positioned above a first filter material plate, a double-shaft crushing mechanism is arranged below the first filter material plate, a second filter material plate is arranged below the double-shaft crushing mechanism, the bottom of the second filter material plate is connected with the bottom of a first conveying mechanism, and the outlet end of the top of the first conveying mechanism is positioned above the feed hopper; a third filter material plate is arranged in the second crushing device, a three-shaft crushing mechanism is arranged at the bottom of the third filter material plate, a fourth filter material plate is arranged below the three-shaft crushing mechanism, the bottom of the fourth filter material plate is connected with the bottom of the second conveying mechanism, and an outlet at the top of the second conveying mechanism is positioned above the third filter material plate; a conveyer belt is arranged below the aggregate bin, and a water spraying pipe is arranged at the bottom of the second crushing device and sprays water to the material on the surface of the draining plate. Compared with the prior art, the technical scheme of the utility model has the advantages of efficient crushing, full cleaning, reliable work and the like, and can effectively and reliably screen and crush the sandstone materials so as to finally meet the corresponding size requirement.
Description
Technical Field
The utility model relates to the technical field of gravel crushing, in particular to a gravel crushing and screening device.
Background
In the building industry, the pouring components at different positions need to use materials with different particle sizes to reach proper structural strength, and because the sandstone used as a production material has certain particle size deviation or partial material has large particle size and cannot be directly applied in the production process, a corresponding crushing device needs to be adopted to crush the material, so that the particle size of the material meets the corresponding technological requirements.
Meanwhile, in the process of crushing the materials, a corresponding screening device is needed to be adopted to quickly separate the materials meeting the size from the materials with larger outer diameters, so that the materials with different particle sizes can be quickly separated, and the problem that the materials meeting the process requirements are crushed again to finally cause that the materials can not meet the size requirements can be avoided.
In addition, the grit material is then need carry out surface cleaning to the grit material after smashing into the material of small-size, can effectively avoid too much and the too much structural strength who influences the material in the in-service use of small-size material of dust like this.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a gravel crushing and screening device which is efficient in crushing, sufficient in cleaning and reliable in working, and aims to reliably sieve and efficiently crush gravel materials so as to finally meet corresponding size requirements.
In order to achieve the purpose, the sandstone crushing and screening device provided by the utility model comprises a feed hopper, a first crushing device, a second crushing device and a collecting hopper which are sequentially connected from top to bottom;
the bottom opening of the feeding hopper is positioned above a first swingable filter material plate in the first crushing device, a double-shaft crushing mechanism is arranged below the first filter material plate, a second filter material plate which is obliquely arranged is arranged below the double-shaft crushing mechanism, the bottom outlet of the second filter material plate is connected with the bottom of a first conveying mechanism which is arranged upwards through a first connecting pipe, a second connecting pipe is arranged at the top of the first conveying mechanism, and the outlet end of the second connecting pipe is positioned above the feeding hopper;
a third filter material plate which is obliquely arranged is arranged in a shell of the second crushing device, a three-shaft crushing mechanism is arranged below an opening at the bottom of the third filter material plate, a fourth filter material plate which is obliquely arranged is arranged below the three-shaft crushing mechanism, the opening at the bottom of the fourth filter material plate is connected with the bottom of a second conveying mechanism which is upwards arranged through a third connecting pipe, a fourth connecting pipe is arranged at the top of the second conveying mechanism, and an opening of the fourth connecting pipe is positioned above the third filter material plate;
the lower part of the second crushing device is provided with a material baffle which is obliquely arranged, an opening at the bottom of the material baffle is positioned above a draining plate of a collecting hopper, an opening at the bottom of the collecting hopper is positioned right above a conveying belt, a water receiving tank is arranged below the draining plate, and a water spraying pipe is arranged at the bottom of the second crushing device and sprays water to the material on the surface of the draining plate.
Preferably, the double-shaft crushing mechanism comprises a driving shaft and a driven shaft which are arranged in parallel, the outer peripheral surface of the end part of the driving shaft is in belt transmission with a driving belt wheel of a driving motor through the driven belt wheel, the driving shaft and the driven shaft are in gear transmission, a crushing large gear on the outer peripheral surface of the driving shaft is radially opposite to a crushing small gear on the outer peripheral surface of the driven shaft, a crushing large gear on the outer peripheral surface of the driven shaft is radially opposite to a crushing small gear on the outer peripheral surface of the driving shaft, and radial gaps are radially arranged between the radially adjacent crushing large gear and the crushing small gear.
Preferably, the three-shaft crushing mechanism comprises a central shaft and side shafts on two sides, the central shaft is arranged in parallel, the outer peripheral surface of the end part of the central shaft is in belt transmission with a driving pulley of a driving motor through a driven pulley, the central shaft and the side shafts are in gear transmission, a crushing large gear on the outer peripheral surface of the central shaft is radially opposite to a crushing small gear on the outer peripheral surface of the side shafts, a crushing large gear on the outer peripheral surface of the side shafts is radially opposite to a crushing small gear on the outer peripheral surface of the central shaft, and radial gaps are radially arranged between the crushing large gear and the crushing small gear which are adjacent in the radial direction.
Preferably, the first conveying mechanism and the second conveying mechanism comprise channel shells arranged outside, the center of each channel shell axially penetrates through the driving shaft, the bottom end of the driving shaft is in driving connection with the driving motor, and the peripheral surfaces of the driving shafts are provided with helical blades to push the materials to move from bottom to top.
Preferably, the top end of the first filter material plate is hinged with the shell of the first crushing device, two side wall plates of the first crushing device are provided with arc-shaped slide rail grooves, the side part of the first filter material plate is provided with a roller which slides along the arc-shaped slide rail grooves, the bottom end of the first filter material plate is connected with the top end of a vertically arranged spring, and the bottom end of the spring is connected with a fixing block fixed on the inner wall surface of the shell; the top end of the third filter material plate is hinged with the shell of the second crushing device, two side wall plates of the second crushing device are provided with arc-shaped sliding rail grooves, rollers are arranged at the side parts of the second filter material plate to slide along the arc-shaped sliding rail grooves, the bottom end of the third filter material plate is connected with the top end of a vertically arranged spring, and the bottom end of the spring is connected with a fixing block fixed on the inner wall surface of the shell.
Preferably, the surfaces of the first filter material plate and the second filter material plate are provided with first through holes with communicated inner diameters, the surfaces of the third filter material plate and the fourth filter material plate are provided with second through holes with communicated inner diameters, and the surface of the draining plate is provided with draining holes; the inner diameters of the first through hole, the second through hole and the draining hole are reduced in sequence.
Preferably, the vibration motor is arranged at the upper part of the bottom surface of the draining board.
Preferably, the side part of the feeding hopper is provided with an extension plate which is obliquely arranged downwards, and the bottom end of the extension plate is positioned above the middle part of the first filter plate.
Preferably, the feed hopper, the first crushing device, the second crushing device and the collecting hopper are connected up and down through the matching of step grooves, and the connection relationship is strengthened by adopting a fastener.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
according to the technical scheme, the feeding hopper, the first crushing device, the second crushing device and the collecting hopper are arranged from top to bottom, so that the rapid and reliable material screening and the crushing treatment of the materials with larger sizes are realized. And the side parts of the first crushing device and the second crushing device are provided with conveying mechanisms and are matched with corresponding filter plates, so that a material sieving and re-crushing circulating process which does not accord with the size requirement is formed, and finally the size of the material accords with the requirement. Meanwhile, the draining board surface of the collecting board is provided with draining holes, so that the material can be fully cleaned, and small particles such as excessive dust can be prevented from being mixed in the material.
In addition, the first filter material plate and the third filter material plate are turnover swing mechanisms, and the filter material plates can elastically swing back and forth along the arc-shaped sliding grooves by arranging the springs, so that materials are prevented from being clamped into the through holes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of the sand crushing and screening device of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is a schematic structural view of a dual-shaft crushing mechanism of the present invention;
fig. 5 is a schematic structural diagram of a three-axis crushing mechanism of the present invention.
The reference numbers indicate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used for explaining the relative position relationship between the components, the motion situation, and the like under a certain posture (as shown in the drawing), and if the certain posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a sand and stone crushing and screening device.
Referring to fig. 1 to 5, the sand crushing and screening device of the embodiment of the present invention includes a feeding hopper 1, a first crushing device 2, a second crushing device 3, and a collecting hopper 4 connected in sequence from top to bottom; wherein the bottom opening of feeder hopper 1 of this embodiment is located the inside wobbling first filter plate 21 top of first breaker 2, therefore the grit can carry out first filtration through first filter plate 21, first filter plate 21 below is equipped with the broken mechanism 22 of biax, consequently carry out preliminary crushing to the grit of large size through the broken mechanism 22 of biax, the broken mechanism 22 below of biax is equipped with the second filter plate 23 that the slope set up, and first filter plate 21 and second filter plate 23 surface are equipped with the first through-hole 24 of the same internal diameter, consequently the grit through first filter plate 21 surface also can enter into in second breaker 3 through second filter plate 23. And the outlet at the bottom of the second filter plate 23 is connected with the bottom of the first conveying mechanism 26 which is arranged upwards through the first connecting pipe 25, the second connecting pipe 27 is arranged at the top of the first conveying mechanism 26, and the outlet end of the second connecting pipe 27 is positioned above the feed hopper 1, so that the sand and stone which cannot pass through the second filter plate 23 can be conveyed back to the feed hopper 1 through the first conveying mechanism 26 to realize the secondary crushing treatment.
A third filter plate 31 which is obliquely arranged and can swing is arranged in the shell of the second crushing device 3, a three-shaft crushing mechanism 32 is arranged below an opening at the bottom of the third filter plate 31, a fourth filter plate 33 which is obliquely arranged is arranged below the three-shaft crushing mechanism 32, and second through holes 34 with the same inner diameter are arranged on the surfaces of the third filter plate 31 and the fourth filter plate 33, so that sand which can pass through the third filter plate 31 can also pass through the fourth filter plate 33, thereby entering the collecting hopper 4, the bottom opening of the fourth filter plate 33 is connected with the bottom of the second conveying mechanism 36 which is arranged upwards through a third connecting pipe 35, the top of the second conveying mechanism 36 is provided with a fourth connecting pipe 37, the opening of the fourth connecting pipe 37 is positioned above the third filter plate 31, the sand which cannot pass through the fourth filter material plate 3 is conveyed back to the upper part of the three-shaft crushing mechanism 32 through the second conveying mechanism 36, and is crushed again.
The striker plate 38 that the slope set up is equipped with to second breaker 3 lower part, thereby can push the grit through fourth filter plate 33 to the draining board 41 top through striker plate 38, and the cooperation uses spray pipe 7 to spout the water body in order to wash the grit, striker plate 38 bottom opening is located draining board 41 top of collecting hopper 4, collecting hopper 4 bottom opening is located directly over conveyer belt 5, draining board 41 surface is equipped with waterlogging caused by excessive rainfall hole 411, draining board 41 below is equipped with water receiving tank 6, draining board 41 that the slope set up can be followed through the grit after the washing moves downwards, and the water then enters into to being collected in the water receiving tank 6 through the waterlogging caused by excessive rainfall hole 411 on draining board 41 surface.
Preferably, the inside diameters of the first through hole 24, the second through hole 34 and the draining hole 411 of the present embodiment are sequentially reduced, so that the sand is gradually crushed to a suitable size and the sand surface is reliably cleaned. More preferably, the vibration motor 412 is disposed on the upper portion of the bottom surface of the draining board 41 of this embodiment, and the vibration motor 412 generates a vibration force to prevent sand from being jammed into the draining holes 411 during the downward movement process.
Specifically, the biaxial crushing mechanism 22 of the present embodiment includes a driving shaft 221 and a driven shaft 222 arranged in parallel, an outer peripheral surface of an end portion of the driving shaft 221 is in transmission with a driving pulley 225 of a driving motor 226 through a driven pulley 223 by a belt 224, the driving shaft 221 and the driven shaft 222 are in transmission through a gear 227, a crushing large gear 228 on an outer peripheral surface of the driving shaft 221 is diametrically opposed to a crushing small gear 229 on an outer peripheral surface of the driven shaft 222, a crushing large gear 228 on an outer peripheral surface of the driven shaft 222 is diametrically opposed to a crushing small gear 229 on an outer peripheral surface of the driving shaft 221, and a radial gap is radially provided between the crushing large gear 228 and the crushing small gear 229 which are diametrically adjacent. The three-shaft crushing mechanism 32 comprises a central shaft 321 and side shafts 322 on two sides, wherein the central shaft 321 is arranged in parallel, the outer peripheral surface of the end part of the central shaft 321 is in transmission with a driving pulley 225 of a driving motor 226 through a driven pulley 223 by a belt 224, the central shaft 321 and the side shafts 322 are in transmission through gears 227, a crushing large gear 228 on the outer peripheral surface of the central shaft 321 is in radial opposition to a crushing small gear 229 on the outer peripheral surface of the side shafts 322, a crushing large gear 228 on the outer peripheral surface of the side shafts 322 is in radial opposition to a crushing small gear 229 on the outer peripheral surface of the central shaft 321, and radial gaps are arranged between the crushing large gear 228 and the crushing small gear 229 which are adjacent in the radial direction. The sand can be reliably crushed by the double-shaft crushing mechanism 22 and the three-shaft crushing mechanism 32, and thus, a proper size can be achieved.
Specifically, the first conveying mechanism 26 and the second conveying mechanism 36 of this embodiment include a channel housing 261 disposed outside, the center of the channel housing 261 axially penetrates through a driving shaft 262, the bottom end of the driving shaft 262 is drivingly connected to a driving motor 263, and the outer peripheral surface of the driving shaft 262 is provided with a helical blade 264 for pushing the material to move from bottom to top, so that the driving shaft 262 is driven to rotate by the driving motor 263, and the sandstone material is pushed to move upward by the helical blade 264 on the surface of the driving shaft.
Preferably, the top end of the first filter material plate 21 of the embodiment is hinged to the housing of the first crushing device 2, two side wall plates of the first crushing device 2 are provided with arc-shaped slide rail grooves 28, the side part of the first filter material plate 21 is provided with a roller 211 which slides along the arc-shaped slide rail grooves 28, the bottom end of the first filter material plate 21 is connected to the top end of a vertically arranged spring 29, and the bottom end of the spring 29 is connected to a fixed block 291 fixed on the inner wall surface of the housing; the top end of the third filter plate 31 is hinged with the shell of the second crushing device 3, two side wall plates of the second crushing device 3 are provided with arc-shaped slide rail grooves 28, the side part of the second filter plate 23 is provided with a roller 211 which slides along the arc-shaped slide rail grooves 28, the bottom end of the third filter plate 31 is connected with the top end of a vertically arranged spring 29, and the bottom end of the spring 29 is connected with a fixed block 291 fixed on the inner wall surface of the shell. When falling on first filter material board 21 and third filter material board 31 surface through grit material top-down, take place to strike first filter material board 21 and second filter material board 31 to make the relative casing of filter material board swing, avoid the grit card to go into to the surface through-hole of filter material board, and its end can follow arc slide rail groove 28 and make a round trip to slide, still realize its reset and produce the elastic shock effect through setting up spring 29.
Preferably, the side of the feeding hopper 1 of this embodiment is provided with an extension plate 11 disposed obliquely downward, and the bottom end of the extension plate 11 is located above the middle of the first filter plate 21, so that the material directly falls on the upper position of the first filter plate 21 to filter the material sufficiently.
Preferably, link to each other from top to bottom through the cooperation of step recess between feeder hopper 1, first breaker 2, second breaker 3 and the collecting hopper 4 of this embodiment, adopt the fastener to strengthen the connection relation again, consequently realize that whole grit smashes screening plant makes things convenient for the dismouting and changes or replace different breaker.
Referring to fig. 1 to 5, firstly, sand and gravel materials are placed in the feed hopper 1, and the sand and gravel materials fall on the surface of the first filter plate 21 of the first crushing device 2 through the bottom opening of the feed hopper 1, and a part of the small-sized materials fall on the surface of the second filter plate 23 through the first through holes 24 on the surface of the first filter plate 1 and pass through the second filter plate 23 to enter the second crushing device 3. And the other part of the material that can not pass through is broken through the double-shaft breaking mechanism 22 and is changed into a smaller-size structure, and the broken part of the material can also enter into the second breaking device 3 through the second filter plate 23, and the material that can not pass through the second filter plate 23 gradually moves downwards to the first conveying mechanism 26, and is conveyed back to the feed hopper 1 through the first conveying mechanism 26, and is broken again through the double-shaft breaking mechanism 22 again until all the material passes through the second filter plate 23.
And the materials entering the second crushing device 3, part of the materials with smaller sizes pass through the third filter plate 31, part of the materials with larger sizes need to be further crushed by the three-shaft crushing mechanism 32, and the materials which cannot pass through the fourth filter plate 33 need to be conveyed back to the three-shaft crushing mechanism 32 by the second conveying mechanism 36 and crushed again until all the materials can pass through the fourth filter plate 33 and enter the collecting hopper 4.
After the materials enter the collecting hopper 4, the materials can move downwards along the inclined surface of the draining plate 41, and the water spraying pipe 7 is used for spraying water to clean the materials, the cleaned materials are transferred from the collecting hopper to the conveying belt 5 and conveyed to other processes, and the drained water enters the water receiving tank through the draining holes 411 of the draining plate 41 and is collected.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A gravel crushing and screening device is characterized by comprising a feed hopper, a first crushing device, a second crushing device and a collecting hopper which are sequentially connected from top to bottom;
the bottom opening of the feeding hopper is positioned above a first swingable filter material plate in the first crushing device, a double-shaft crushing mechanism is arranged below the first filter material plate, a second filter material plate which is obliquely arranged is arranged below the double-shaft crushing mechanism, a bottom outlet of the second filter material plate is connected with the bottom of a first conveying mechanism which is arranged upwards through a first connecting pipe, a second connecting pipe is arranged at the top of the first conveying mechanism, and an outlet end of the second connecting pipe is positioned above the feeding hopper;
a third filter material plate which is obliquely arranged is arranged in a shell of the second crushing device, a three-shaft crushing mechanism is arranged below an opening at the bottom of the third filter material plate, a fourth filter material plate which is obliquely arranged is arranged below the three-shaft crushing mechanism, the opening at the bottom of the fourth filter material plate is connected with the bottom of a second conveying mechanism which is upwards arranged through a third connecting pipe, a fourth connecting pipe is arranged at the top of the second conveying mechanism, and an opening of the fourth connecting pipe is positioned above the third filter material plate;
the lower part of the second crushing device is provided with a baffle plate which is obliquely arranged, the bottom opening of the baffle plate is positioned above a draining plate of a collecting hopper, the bottom opening of the collecting hopper is positioned right above a conveying belt, a water receiving tank is arranged below the draining plate, and the bottom of the second crushing device is provided with a water spraying pipe for spraying water to the material on the surface of the draining plate.
2. A sand crushing and screening device as claimed in claim 1, wherein the double-shaft crushing mechanism comprises a driving shaft and a driven shaft which are arranged in parallel, the outer peripheral surface of the end part of the driving shaft is in belt transmission with a driving pulley of a driving motor through a driven pulley, the driving shaft and the driven shaft are in gear transmission, a crushing large gear on the outer peripheral surface of the driving shaft is radially opposite to a crushing small gear on the outer peripheral surface of the driven shaft, a crushing large gear on the outer peripheral surface of the driven shaft is radially opposite to a crushing small gear on the outer peripheral surface of the driving shaft, and radial gaps are radially arranged between the radially adjacent crushing large gear and the crushing small gear.
3. A sand and stone crushing and screening device as claimed in claim 1, wherein said three-axis crushing mechanism includes a center axis and two side shafts arranged in parallel, the outer peripheral surface of the end of the center axis is in belt transmission with a driving pulley of a driving motor via a driven pulley, the center axis and the side shafts are in gear transmission, the crushing large gear on the outer peripheral surface of the center axis and the crushing small gear on the outer peripheral surface of the side shafts are diametrically opposed, the crushing large gear on the outer peripheral surface of the side shafts and the crushing small gear on the outer peripheral surface of the center axis are diametrically opposed, and the radially adjacent crushing large gear and crushing small gear are radially provided with radial gaps.
4. A sand and stone crushing and screening device as claimed in claim 1, wherein said first conveying mechanism and said second conveying mechanism include a passage housing provided at the outside, the center of the passage housing axially passes through a driving shaft, the bottom end of the driving shaft is drivingly connected to a driving motor, and the outer peripheral surface of the driving shaft is provided with a helical blade for pushing the material to move from bottom to top.
5. A sand crushing and screening device as recited in claim 1, wherein the top end of said first filter material plate is hinged to the housing of said first crushing device, the two side wall plates of the first crushing device are provided with arc-shaped slide rail grooves, the side part of the first filter material plate is provided with rollers sliding along the arc-shaped slide rail grooves, the bottom end of the first filter material plate is connected to the top end of a vertically arranged spring, and the bottom end of the spring is connected to a fixed block fixed on the inner wall surface of the housing; the top end of the third filter material plate is hinged with a shell of the second crushing device, two side wall plates of the second crushing device are provided with arc-shaped slide rail grooves, the side parts of the second filter material plate are provided with rollers which slide along the arc-shaped slide rail grooves, the bottom end of the third filter material plate is connected with the top end of a vertically arranged spring, and the bottom end of the spring is connected with a fixed block fixed on the inner wall surface of the shell.
6. A sand and stone crushing and screening device as claimed in claim 5, wherein the first filter material plate and the second filter material plate are provided with first through holes with communicated inner diameters on the surfaces, the third filter material plate and the fourth filter material plate are provided with second through holes with communicated inner diameters on the surfaces, and the draining plate is provided with draining holes on the surfaces; the inner diameters of the first through hole, the second through hole and the draining hole are reduced in sequence.
7. A sand crushing and screening device as claimed in claim 1, wherein a vibration motor is provided on the upper part of the bottom surface of the draining board.
8. A sand crushing and screening apparatus as claimed in claim 1, wherein an extension plate is provided at a side of said feed hopper in an inclined downward direction, and a bottom end of the extension plate is located above a middle portion of said first screen plate.
9. A sand crushing and screening device as claimed in claim 1, wherein said feed hopper, said first crushing means, said second crushing means and said collection hopper are connected up and down by means of a stepped groove fit and a fastener is used to reinforce the connection.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121012062 | 2021-05-12 | ||
| CN2021210120626 | 2021-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217016795U true CN217016795U (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220761000.3U Active CN217016795U (en) | 2021-05-12 | 2022-04-02 | Screening plant is smashed to grit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117160594A (en) * | 2023-09-01 | 2023-12-05 | 汇通路桥建设集团公路工程有限公司 | Recycling device and treatment method for construction waste |
-
2022
- 2022-04-02 CN CN202220761000.3U patent/CN217016795U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117160594A (en) * | 2023-09-01 | 2023-12-05 | 汇通路桥建设集团公路工程有限公司 | Recycling device and treatment method for construction waste |
| CN117160594B (en) * | 2023-09-01 | 2024-05-17 | 汇通路桥建设集团公路工程有限公司 | Recycling device and treatment method for construction waste |
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Address after: 412000 Xinma power innovation park, No. 899, Xianyue Ring Road, Tianyuan District, Majiahe street, Tianyuan District, Zhuzhou City, Hunan Province Patentee after: Zhuzhou Jiwei Environmental Technology Co.,Ltd. Address before: 412000 No. 100, Huanghe North Road, Tianyuan District, Zhuzhou City, Hunan Province Patentee before: Zhuzhou Jiwei environmental protection Co.,Ltd. |
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