CN213825834U - Building concrete slab reclaimed sand material preparation facilities - Google Patents
Building concrete slab reclaimed sand material preparation facilities Download PDFInfo
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- CN213825834U CN213825834U CN202022720493.XU CN202022720493U CN213825834U CN 213825834 U CN213825834 U CN 213825834U CN 202022720493 U CN202022720493 U CN 202022720493U CN 213825834 U CN213825834 U CN 213825834U
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- box
- sieve plate
- concrete slab
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Abstract
The application relates to a building concrete slab reclaimed sand preparation device, which belongs to the technical field of reclaimed concrete processing equipment and comprises a box body, wherein a sieve plate for sieving materials is arranged on the box body; building concrete slab reclaimed sand material preparation facilities still is provided with the bobbing machine that is used for vibrating the box still including being used for shaking the box, be provided with on the box and be used for its clearance to cover the cleaning device on the sieve. The cleaning device is used for cleaning and moving out the materials remained on the sieve plate, so that the possibility that the materials cover the sieve plate is reduced, and the material separation efficiency of the sieve plate is improved; meanwhile, when the materials are screened, the materials covered on the sieve plate are cleaned, so that the possibility of stopping and cleaning by workers is reduced, and the screening efficiency is improved; meanwhile, the labor capacity of workers is reduced.
Description
Technical Field
The application relates to the technical field of recycled concrete processing equipment, in particular to a preparation device for recycled sand of a building concrete slab.
Background
The regenerated concrete is prepared by crushing, cleaning and grading waste concrete blocks, mixing the crushed, cleaned and graded waste concrete blocks with a grading agent according to a certain proportion, partially or completely replacing natural aggregates such as sand stones and the like, and adding cement, water and the like. The recycled concrete has the following conditions according to the combination form of aggregates: all aggregates are regenerated aggregates; the coarse aggregate is regenerated aggregate, and the fine aggregate is natural sand; the coarse aggregate is natural gravel or cobble, and the fine aggregate is regenerated aggregate; the reclaimed aggregate replaces part of the coarse aggregate or the fine aggregate.
At present, for example, patent document with publication number CN209680519U discloses a device for preparing recycled sand for building concrete slabs, which comprises a box body, wherein a vibrator is arranged at the middle position of the outer wall of the box body, and the vibrator is connected with the box body through a bolt; connecting seats are arranged on two sides of the vibrating machine and are connected with the outer wall of the box body in a welding mode; a spring is arranged below the connecting seat, and the top end of the spring is connected with the connecting seat in a sleeving manner; a connecting column is arranged inside the bottom end of the spring and is connected with the spring in an embedding mode; a bearing plate is arranged on the inner wall of the box body, and two ends of the bearing plate are connected with the box body in a welding mode; a vertical plate is arranged inside the bearing plate and is connected with the bearing plate in a welding mode; a sieve plate is arranged on one side of the vertical plate and is connected with the vertical plate through a slideway; the material that will sieve drops into on the sieve, starts vibrating motor, and the vibrating machine vibrating box makes the material on the sieve separate.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: when sand material separates, great material may cover on the sieve, needs the staff to clear up the material that covers on the sieve to machining efficiency is lower.
SUMMERY OF THE UTILITY MODEL
For improving machining efficiency, the application provides a building concrete slab regeneration sand material preparation facilities.
The application provides a building concrete slab reclaimed sand material preparation facilities adopts following technical scheme:
a building concrete slab reclaimed sand material preparation device comprises a box body, wherein a sieve plate for sieving materials is arranged on the box body; building concrete slab reclaimed sand material preparation facilities still is provided with the bobbing machine that is used for vibrating the box still including being used for shaking the box, be provided with on the box and be used for its clearance to cover the cleaning device on the sieve.
By adopting the technical scheme, when the materials are screened, the vibrating machine is started, drives the box body to vibrate, so that the materials with the particle sizes smaller than the sieve pores of the sieve plate are screened out, the materials with the particle sizes larger than the sieve pores of the sieve plate remain on the sieve plate, and meanwhile, the materials remaining on the sieve plate are cleaned and moved out through the cleaning device, so that the possibility that the materials cover the sieve plate is reduced, and the separation efficiency of the sieve plate on the materials is improved; meanwhile, when the materials are screened, the materials covered on the sieve plate are cleaned, so that the possibility of stopping and cleaning by workers is reduced, and the screening efficiency is improved; meanwhile, the labor capacity of workers is reduced.
Optionally, an opening is formed in the box body, the sand material moving part is used for enabling the grain diameter to be larger than the aperture of the sieve plate, the cleaning device comprises a scraper which is arranged on the box body in a sliding mode, the scraper abuts against the sieve plate, the scraper slides towards or away from the opening, and a driving piece used for driving the scraper to slide is arranged on the box body.
By adopting the technical scheme, the driving piece drives the scraper plate to slide, the scraper plate slides to drive the materials remained on the sieve plate to slide, and the materials are moved out of the box body through the opening on the box body; the scraper slides and scrapes off the material and has the advantage of good shifting-out effect.
Optionally, the driving part includes a motor arranged on the box body, a gear ring is sleeved on an output shaft of the motor, one end of the gear ring, which is far away from the motor, is rotatably arranged on the scraper, a rack engaged with the gear ring is arranged on the box body, and the length direction of the rack is parallel to the sliding direction of the scraper; the box body is provided with a limiting piece used for limiting the rotation of the scraper.
By adopting the technical scheme, the motor is started, the motor drives the gear ring to rotate, the gear ring rotates to slide along the rack, the gear ring drives the scraper to slide in the sliding process to move out materials on the sieve plate, and the operation is simple and practical; under the action of the limiting piece, the possibility that the scraping plate rotates carelessly to be separated from the sieve plate is reduced, and the scraping effect of the scraping plate on materials is further improved; meanwhile, the gear ring and the rack have the advantages of stable transmission and compact structure.
Optionally, a support frame for fixing the motor is arranged on the box body, the support frame is arranged on the box body in a sliding mode, and the sliding direction of the support frame is parallel to the length direction of the rack.
By adopting the technical scheme, when the gear ring slides along the rack, the motor on the support frame is driven to slide, so that the motor drives the scraper plate to slide to clean materials on the sieve plate; under the effect of support frame, reduced motor main part pivoted possibility, and then ensured the scraper blade and to the effect of scraping off of material on the sieve, further improved the screening efficiency of sieve.
Optionally, the limiting piece comprises a limiting block arranged on the scraper, a limiting groove for the limiting block to slide is formed in the box body, and the length direction of the limiting groove is parallel to the sliding direction of the scraper.
By adopting the technical scheme, the limiting blocks on the scraping plates are clamped in the clamping grooves on the box body, so that the scraping plates are guided, and the scraping plates are ensured to drive materials on the sieve plates to move out of the box body through the openings; on the other hand, under the action of the limiting block and the limiting groove, the possibility of rotation of the scraper is reduced; the limiting block and the limiting groove have the advantage of stable structure.
Optionally, the sieve plate is obliquely arranged on the box body, and the distance between the sieve plate and the end far away from the opening is greater than the distance between the sieve plate and the end close to the opening.
By adopting the technical scheme, the materials covered on the sieve plate slide along the inclined direction of the sieve plate under the action of the vibrating machine, so that the materials covered on the sieve plate are reduced, and the sieving efficiency of the sieve plate on the materials is improved; the material slides towards the opening of box along the length direction of sieve and shifts out the box, has reduced the frequency of the operation of scraper blade, saves the input cost.
Optionally, the sieve is close to the box opening part is provided with a filter screen in a rotating mode, the rotating axis of the filter screen is parallel to the plane where the sieve is located, and the box is provided with a fixing part for fixing the filter screen to a required position.
By adopting the technical scheme, materials thrown into the sieve plate run along the sieve plate, and the materials which are mixed in larger particle sizes and meet the diameter of the sieve mesh can be moved out of the box body through the opening, so that the drying efficiency is reduced; under the action of the filter screen, the vibration time of the materials on the sieve plate is prolonged, so that the sieving degree of the materials is improved, the possibility that the materials meeting the requirements move out of the box body is reduced, the sieving efficiency is improved, and the waste is reduced; when the materials on the sieve plate need to be moved out, the filter screen is rotated to a required position through the fixing piece, so that the materials blocked by the filter screen are moved out of the box body.
Optionally, it is provided with the articulated shaft to rotate on the box, the length direction perpendicular to scraper blade's of articulated shaft slip direction, the filter screen is fixed to be set up on the articulated shaft, the mounting is established at articulated epaxial worm wheel including the cover, be provided with on the box with worm wheel meshed's worm.
By adopting the technical scheme, the worm is rotated, the worm rotates to drive the worm wheel to rotate, the worm wheel rotates to drive the articulated shaft to rotate, and the articulated shaft rotates to drive the filter screen to rotate; because the worm wheel and the worm have self-locking performance, after the worm stops rotating, the filter screen is fixed to a required position, and the operation is simple and practical.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the cleaning device cleans and moves out the materials remained on the sieve plate, thereby reducing the possibility that the materials cover the sieve plate and improving the separation efficiency of the sieve plate on the materials; meanwhile, when the materials are screened, the materials covered on the sieve plate are cleaned, so that the possibility of stopping and cleaning by workers is reduced, and the screening efficiency is improved; meanwhile, the labor capacity of workers is reduced;
2. the materials covered on the sieve plate slide along the inclined direction of the sieve plate under the action of the vibrating machine, so that the materials covered on the sieve plate are reduced, and the sieving efficiency of the sieve plate on the materials is improved; the materials slide towards the opening of the box body along the length direction of the sieve plate and move out of the box body, so that the running frequency of the scraper plate is reduced, and the investment cost is saved;
3. under the effect of filter screen, prolonged the vibration time of material on the sieve, and then improved the screening degree of material, reduced the possibility that the material that meets the requirements shifted out the box, improved screening efficiency, it is extravagant to reduce.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic diagram of the overall structure from another perspective in the embodiment of the present application;
FIG. 4 is an enlarged schematic view of portion B of FIG. 3;
fig. 5 is an enlarged schematic view of a portion C in fig. 1.
Description of reference numerals: 1. a box body; 2. a sieve plate; 3. a vibrator; 4. an opening; 5. a squeegee; 6. a motor; 7. a toothed ring; 8. a rack; 9. a support frame; 10. a limiting block; 11. a limiting groove; 12. filtering with a screen; 13. hinging a shaft; 14. a worm gear; 15. a worm; 16. a supporting seat; 17. a vibration spring; 18. a strip-shaped notch; 19. an organ shield; 20. a dovetail block; 21. a dovetail groove; 22. mounting a plate; 23. a drive motor; 24. mounting blocks; 25. a clamping groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses building concrete slab reclaimed sand material preparation facilities. Referring to fig. 1, the device for preparing the recycled sand for the building concrete slab comprises a box body 1, wherein the box body 1 is used for bearing the sand to be screened; the box body 1 is characterized by further comprising a supporting seat 16 for supporting the box body 1 of the box body 1, the supporting seat 16 and the box body 1 are provided with a vibration spring 17, and the box body 1 is supported on the supporting seat 16 through the vibration spring 17; the box body 1 is provided with a sieve plate 2 for sieving materials, a support rod for supporting the sieve plate 2 is arranged in the box body 1, and the sieve plate 2 is arranged on the support rod; the building concrete slab reclaimed sand preparation device also comprises a vibrating machine 3 for vibrating the box body 1, wherein the vibrating machine 3 is fixedly arranged on the box body 1; when the sand material is sieved, the vibrating machine 3 is started, the vibrating machine 3 drives the box body 1 to do irregular movement, and then the sand material on the sieve plate 2 is driven to be separated.
Referring to fig. 1, in order to reduce the sand attached to the sieve plate 2, a cleaning device for cleaning the sieve plate 2 is arranged on the box body 1; the cleaning device is used for cleaning and moving out the materials remained on the sieve plate 2, so that the possibility that the materials cover the sieve plate 2 is reduced, and the material separation efficiency of the sieve plate 2 is improved; meanwhile, when the materials are screened, the materials covered on the sieve plate 2 are cleaned, so that the possibility of stopping and cleaning by workers is reduced, and the screening efficiency is improved; meanwhile, the labor capacity of workers is reduced.
Referring to fig. 1, in order to facilitate the removal of the materials attached to the sieve plate 2, an opening 4 for the removal of sand materials with the particle size larger than the aperture of the sieve plate 2 is formed in the box body 1; the cleaning device comprises a scraping plate 5 which is arranged on the box body 1 in a sliding mode, the scraping plate 5 is abutted against the sieve plate 2, and the scraping plate 5 slides towards or away from the opening 4; when clearing up the sand material that covers on sieve 2, slip scraper blade 5, scraper blade 5 drive the sand material that covers on sieve 2 and locate the interdynamic towards opening 4, and then shift out box 1 through opening 4 on the box 1.
Referring to fig. 1 and 2, in order to facilitate sliding of the scraper 5, a driving part for driving the scraper 5 to slide is arranged on the box body 1, the driving part includes a motor 6 arranged on the box body 1, a toothed ring 7 is sleeved on an output shaft of the motor 6, one end of the toothed ring 7, which is far away from the motor 6, is rotatably arranged on the scraper 5, a long strip-shaped notch 18 for the toothed ring 7 to slide is formed in the box body 1, the toothed ring 7 is located between two side walls of the long strip-shaped notch 18, a rack 8 meshed with the toothed ring 7 is arranged on the box body 1, the rack 8 is located on a side wall of the long strip-shaped notch 18 in the lower box body 1, and the length direction of the rack 8 is parallel to the sliding direction of the scraper 5; the motor 6 is started, the motor 6 drives the gear ring 7 to rotate, the gear ring 7 rotates to slide along the rack 8, and the gear ring 7 drives the scraper 5 to slide in the sliding process to move the materials on the sieve plate 2 out of the box body 1 through the opening 4.
Referring to fig. 1 and 2, an output shaft of the motor 6 penetrates through the toothed ring 7 and is rotatably arranged on the scraper 5, a disc is arranged on the output shaft of the motor 6, and an accommodating groove for accommodating the disc is formed in the scraper 5; under the effect of disc and holding tank, reduced scraper blade 5 along with 6 output shaft pivoted possibilities of motor, and then improved scraper blade 5 to the clearance effect of sand material.
Referring to fig. 3 and 4, in order to further reduce the possibility that the scraper 5 rotates along with the output shaft of the motor 6, a limiting piece for limiting the rotation of the scraper 5 is arranged on the box body 1, the limiting piece comprises a limiting block 10 arranged on the scraper 5, the limiting block 10 comprises a fixed block arranged on the scraper 5 and a clamping block arranged on the fixed block, the limiting blocks 10 are arranged at two ends of the scraper 5 close to the box body 1, the clamping block and the fixed block are mutually perpendicular to form a T shape, a limiting groove 11 for the limiting block 10 to slide is formed in the box body 1, the limiting groove 11 in the box body 1 is a T-shaped groove, and the length direction of the limiting groove 11 is parallel to the sliding direction of the scraper 5; under the effect of stopper 10 and spacing groove 11, further reduced scraper blade 5 pivoted probably, and then improved scraper blade 5 to the clearance effect of sand material.
Simultaneously, under the effect of stopper 10 and spacing groove 11, reduced scraper blade 5 the possibility that the slope appears, and then reduced the material and passed through the possibility that the gap between scraper blade 5 and the box 1 lateral wall passes through, further improved scraper blade 5 to the clearance effect of sand material.
Referring to fig. 3 and 4, in order to reduce the possibility that sand material moves out of the box body 1 through the elongated gap 18, an organ protection cover 19 for covering the elongated gap 18 is arranged on the box body 1, mounting blocks 24 are uniformly arranged on two side walls of the organ protection cover 19 in the vertical direction at intervals, the mounting blocks 24 are positioned at the folded edges of the organ protection cover 19, clamping grooves 25 for clamping the mounting blocks 24 are formed in the side walls of the elongated gap 18 on the box body 1, and the section of each clamping groove 25 in the length direction of the scraper 5 is in a T shape; the mounting block 24 is clamped in the clamping groove 25, so that the possibility of shifting out sand through the strip-shaped notch 18 is reduced, and the waste of materials is reduced; in a second aspect, the possibility of the organ guard 19 falling off is reduced.
Referring to fig. 1 and 2, the rack 8 is positioned on one side of the organ protection cover 19 away from the box body 1, and the output shaft of the motor 6 penetrates through the organ protection cover 19; when the motor 6 drives the scraper 5 to slide, the organ protective covers 19 on two sides of the output shaft of the motor 6 are driven to slide, so that the organ protective covers 19 can protect the elongated gaps 18 in real time.
Referring to fig. 1 and 2, in order to reduce the possibility of relative rotation between the motor 6 and the scraper 5, a support frame 9 for fixing the motor 6 is arranged on the box body 1, the support frame 9 is slidably arranged on the box body 1, the support frame 9 comprises a support plate slidably arranged on the box body 1, the motor 6 is fixedly arranged on the support plate, and the sliding direction of the support frame 9 is parallel to the length direction of the rack 8; be provided with dovetail block 20 in the backup pad, set up on the box 1 and supply dovetail block 20 joint complex dovetail 21, under dovetail block 20 and dovetail 21's effect, reduced the possibility that the backup pad drops.
Referring to fig. 1, in order to reduce the starting frequency of the motor 6, the sieve plate 2 is obliquely arranged on the box body 1, and the distance between the ends of the sieve plate 2 far away from the opening 4 is greater than that between the ends of the sieve plate 2 close to the opening 4; the materials covered on the sieve plate 2 slide along the inclined direction of the sieve plate 2 under the action of the vibrating machine 3 and the self gravity, so that the materials covered on the sieve plate 2 are reduced; meanwhile, the materials slide towards the opening 4 of the box body 1 along the length direction of the sieve plate 2 and move out of the box body 1, so that the starting frequency of the motor 6 is reduced, and the investment cost is saved.
Referring to fig. 1 and 5, in order to improve the screening effect of the screen plate 2 on sand materials, a filter screen 12 is rotatably arranged on the screen plate 2 near the opening 4 of the box body 1, the rotation axis of the filter screen 12 is parallel to the plane of the screen plate 2, an articulated shaft 13 is rotatably arranged on the box body 1, the length direction of the articulated shaft 13 is parallel to the length direction of the scraper 5, and the filter screen 12 is fixedly arranged on the articulated shaft 13; materials thrown into the sieve plate 2 run along the sieve plate 2, and materials mixed in larger particle sizes and meeting the diameter of the sieve mesh can be moved out of the box body 1 through the opening 4, so that the drying efficiency is reduced; under the effect of filter screen 12, prolonged the vibration time of material on sieve 2, and then improved the screening degree of material, reduced the possibility that the material that accords with the requirement shifted out box 1, improved screening efficiency.
Referring to fig. 1 and 5, in order to fix the filter screen 12 to a desired position, a fixing member for fixing the filter screen 12 to the desired position is arranged on the box body 1, the fixing member includes a worm wheel 14 sleeved on the hinge shaft 13, the worm wheel is located on the outer side wall of the box body 1, a worm 15 meshed with the worm wheel 14 is arranged on the box body 1, an installation plate 22 for supporting the worm 15 is arranged on the box body 1, the installation plate 22 is provided with two blocks, the two installation plates 22 are parallel to each other and perpendicular to the side wall of the box body 1, and a driving motor 23 for driving the worm 15 to rotate is arranged on one installation plate 22; starting the driving motor 23, driving the worm 15 to rotate by the driving motor 23, driving the worm wheel 14 to rotate by the rotation of the worm 15, driving the hinge shaft 13 to rotate by the rotation of the worm wheel 14, and driving the filter screen 12 to rotate by the rotation of the hinge shaft 13; because the worm wheel 14 and the worm 15 have self-locking performance, after the worm 15 stops rotating, the filter screen 12 is fixed to a required position.
The implementation principle of building concrete slab reclaimed sand material preparation facilities of this application embodiment is:
after sand is put into the box body 1, the vibrating machine 3 is started, the vibrating machine 3 drives the box body 1 to do irregular movement, and then the sand on the sieve plate 2 is driven to be separated; when larger materials on the sieve plate 2 are more, the driving motor 23 is started, the driving motor 23 drives the worm 15 to rotate, the worm 15 rotates to drive the worm wheel 14 to rotate, the worm wheel 14 rotates to drive the hinge shaft 13 to rotate, and the hinge shaft 13 rotates to drive the filter screen 12 to rotate to be parallel to the sieve plate 2.
Starting the motor 6, driving the gear ring 7 to rotate by the motor 6, driving the gear ring 7 to slide along the rack 8, and driving the scraper 5 to slide by the gear ring 7 in the sliding process so as to move the materials on the sieve plate 2 out of the box body 1 through the opening 4; before the next feeding, starting the motor 6 to drive the scraper 5 to move to one side far away from the opening 4; at the same time, the driving motor 23 drives the plane of the filter screen 12 to be perpendicular to the plane of the sieve plate 2.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A building concrete slab reclaimed sand material preparation device comprises a box body (1), wherein a sieve plate (2) for sieving materials is arranged on the box body (1); building concrete slab regeneration sand material preparation facilities still is provided with vibrating machine (3) that are used for vibrating box (1) including being used for shaking box (1), its characterized in that: the box body (1) is provided with a cleaning device for cleaning the screen plate (2) covered thereon.
2. The building concrete slab reclaimed sand preparation device of claim 1, characterized in that: offer on box (1) and supply the particle diameter to be greater than opening (4) that sieve (2) aperture sand material moved the department, cleaning device is including sliding scraper blade (5) that sets up on box (1), scraper blade (5) butt sieve (2), the orientation of scraper blade (5) or the direction of keeping away from opening (4) slide, be provided with on box (1) and be used for driving the gliding driving piece of scraper blade (5).
3. The building concrete slab reclaimed sand preparation device of claim 2, characterized in that: the driving part comprises a motor (6) arranged on the box body (1), a toothed ring (7) is sleeved on an output shaft of the motor (6), one end, far away from the motor (6), of the toothed ring (7) is rotatably arranged on the scraper (5), a rack (8) meshed with the toothed ring (7) is arranged on the box body (1), and the length direction of the rack (8) is parallel to the sliding direction of the scraper (5); the box body (1) is provided with a limiting piece for limiting the rotation of the scraper (5).
4. The building concrete slab reclaimed sand preparation device of claim 3, characterized in that: the motor box is characterized in that a supporting frame (9) used for fixing the motor (6) is arranged on the box body (1), the supporting frame (9) is arranged on the box body (1) in a sliding mode, and the sliding direction of the supporting frame (9) is parallel to the length direction of the rack (8).
5. The building concrete slab reclaimed sand preparation device of claim 3, characterized in that: the limiting piece comprises a limiting block (10) arranged on the scraper (5), a limiting groove (11) for the limiting block (10) to slide is formed in the box body (1), and the length direction of the limiting groove (11) is parallel to the sliding direction of the scraper (5).
6. The building concrete slab reclaimed sand preparation device of claim 2, characterized in that: the sieve plate (2) is obliquely arranged on the box body (1), and the distance between the sieve plate (2) and the end, far away from the opening (4), of the sieve plate is larger than the distance between the sieve plate (2) and the end, close to the opening (4).
7. The building concrete slab reclaimed sand preparation device of claim 6, which is characterized in that: be close to on sieve (2) box (1) opening (4) department rotates and is provided with filter screen (12), the axis of rotation of filter screen (12) is on a parallel with the plane at sieve (2) place, be provided with the mounting of fixed filter screen (12) to required department on box (1).
8. The building concrete slab reclaimed sand preparation device of claim 7, which is characterized in that: box (1) is gone up to rotate and is provided with articulated shaft (13), the sliding direction of the length direction perpendicular to scraper blade (5) of articulated shaft (13), filter screen (12) are fixed to be set up on articulated shaft (13), the mounting is established worm wheel (14) on articulated shaft (13) including the cover, be provided with on box (1) with worm wheel (14) meshed worm (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022720493.XU CN213825834U (en) | 2020-11-23 | 2020-11-23 | Building concrete slab reclaimed sand material preparation facilities |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022720493.XU CN213825834U (en) | 2020-11-23 | 2020-11-23 | Building concrete slab reclaimed sand material preparation facilities |
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| Publication Number | Publication Date |
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| CN213825834U true CN213825834U (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022720493.XU Active CN213825834U (en) | 2020-11-23 | 2020-11-23 | Building concrete slab reclaimed sand material preparation facilities |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115338110A (en) * | 2022-09-20 | 2022-11-15 | 湖南拓华汇达新材料科技有限公司 | Mineral powder vibrating screen frame screening device |
-
2020
- 2020-11-23 CN CN202022720493.XU patent/CN213825834U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115338110A (en) * | 2022-09-20 | 2022-11-15 | 湖南拓华汇达新材料科技有限公司 | Mineral powder vibrating screen frame screening device |
| CN115338110B (en) * | 2022-09-20 | 2023-08-11 | 湖南拓华汇达新材料科技有限公司 | Mineral powder vibrating screen frame screening device |
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