CN209935234U - Material sieving mechanism is used in road bridge construction - Google Patents
Material sieving mechanism is used in road bridge construction Download PDFInfo
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- CN209935234U CN209935234U CN201920769145.6U CN201920769145U CN209935234U CN 209935234 U CN209935234 U CN 209935234U CN 201920769145 U CN201920769145 U CN 201920769145U CN 209935234 U CN209935234 U CN 209935234U
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Abstract
A material screening device for road and bridge construction belongs to the technical field of road and bridge construction equipment. The upper end face of the installation box is provided with a through groove, a movable collecting device is connected with the through groove in a sliding mode, the outer wall of one side of each of a first screening groove and a second screening groove is connected with the through groove in a sliding mode, the upper end face of the installation box is provided with two grooves, a movable block is installed in each groove in a sliding mode, the two ends of each movable block are fixedly connected with the corresponding side wall of the corresponding groove through tension springs, the outer wall of the other side of the installation box is provided with two openings, a screening driving mechanism is installed between the two movable blocks located at the openings, two first sliding blocks are fixed on the outer wall of the other side of each of the first screening groove and the second screening groove respectively, one first sliding block on the first screening groove is fixedly connected with one movable block, one sliding block on the second screening groove is fixedly connected; the utility model discloses can filter many times, filter more thoroughly, reduce staff's labour, improve the efficiency of construction.
Description
Technical Field
The utility model relates to a material sieving mechanism, especially a material sieving mechanism is used in road bridge construction belongs to road bridge construction equipment technical field.
Background
At present, with the development of society, China increasingly attaches importance to the construction of roads and bridges, and when constructing roads and bridges, materials need to be screened and separated, and the screened materials need to be processed in the next step; if the screening is not thorough, not only can the quality of road bridge construction be influenced, simultaneously, still can be because screening nonconforming needs carry out secondary screening, influence time limit for a project, reduced the efficiency of construction, increased staff's labour. The material after the screening is piled up a department usually, needs the staff to utilize the instrument transport, and it is extremely inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a material screening device for road and bridge construction, which can screen for a plurality of times, the screening is more thorough, the labor force of workers is reduced, and the construction efficiency is improved; simultaneously, the material after the screening can be collected to portable collection device, removes at any time and transports to next step processing department, labour saving and time saving.
The purpose is achieved, the utility model adopts the following technical proposal: a material screening device for road and bridge construction comprises an installation box, a first screening groove, a second screening groove, a screening driving mechanism, a movable collecting device, two movable blocks, four tension springs, four first sliding blocks and four ground supporting knobs;
a through groove is arranged on one side of the upper end surface of the installation box, a first screening groove, a second screening groove and a movable collecting device are sequentially arranged in the through groove from top to bottom, through holes communicated with the through groove are respectively formed in two ends of the installation box, the movable collecting device is in sliding connection with the groove side wall of the through groove along the horizontal direction, the outer wall of one side of each of the first screening groove and the second screening groove is in sliding connection with the groove side wall corresponding to the through groove, two grooves are arranged on the other side of the upper end surface of the installation box in parallel along the direction of the through holes, movable blocks are respectively and slidably arranged in each groove, the outer wall of two ends of each movable block is respectively and fixedly connected with the corresponding groove side wall of the groove through tension springs, two openings respectively communicated with the two grooves are formed in the outer wall of the other side of the installation box, and a screening driving mechanism, the device comprises a first screening groove, a second screening groove, a first sliding block and a second sliding block, wherein the first sliding block is horizontally arranged on the outer wall of the other side of the first screening groove and the outer wall of the other side of the second screening groove, the first sliding block is horizontally arranged in parallel, a first sliding groove is formed in the side wall of the first adjacent through groove of the first sliding block, the first sliding groove is communicated with the two grooves in a corresponding mode, the first sliding block corresponds to the first sliding groove in a one-to-one mode and is connected with the first sliding groove in a sliding mode, one sliding block on the first screening groove is fixedly connected with the outer wall of one movable block in a corresponding mode, one sliding block on the second screening groove is fixedly connected.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model is provided with the first screening groove and the second screening groove, so that the screening is more thorough;
2. the first screening groove and the second screening groove of the utility model can be detached and replaced at any time, not only can the gauze be detached and cleaned, but also the damaged gauze can be replaced in time, and the utility model is simple and practical;
3. the utility model can collect the screened materials and directly transport the materials to the next step to be processed, which is simple, convenient, time-saving and labor-saving;
4. the push-pull mechanism in the utility model can push the screened material in the collecting box to one position, which is convenient for use;
5. the limiting mechanism in the utility model is used for preventing the phenomenon of inclination caused by uneven stress of the push plate when the push plate pushes the screened material when the hydraulic cylinder works;
6. the utility model discloses the ground knob that is equipped with, the frictional force of increase and ground strengthens the stability of whole device.
Drawings
FIG. 1 is an isometric view of the whole structure of one side of the material screening device for road and bridge construction of the utility model;
FIG. 2 is an isometric view of the overall structure of the other side of the present invention;
FIG. 3 is a schematic structural view of the mounting box shown in FIG. 1;
FIG. 4 is a schematic structural view of the mounting box shown in FIG. 2;
fig. 5 is a schematic view of the overall structure of the first screening slot, the second screening slot and the screening driving mechanism of the present invention;
fig. 6 is a schematic view of the overall construction of the screening drive mechanism shown in fig. 5;
FIG. 7 is a schematic exploded view of the first and second screen slots shown in FIG. 5;
fig. 8 is a schematic view of the overall structure of the movable collecting device of the present invention;
fig. 9 is a schematic exploded view of the locking mechanism of the present invention;
fig. 10 is a schematic view of the overall structure of the push-pull mechanism of the present invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
The first embodiment is as follows: as shown in fig. 1 to 10, the utility model discloses a material screening device for road and bridge construction, which comprises an installation box 1, a first screening groove 2, a second screening groove 3, a screening driving mechanism 4, a movable collecting device 5, two movable blocks 7, four tension springs 8, four sliding blocks one 9 and four ground supporting knobs 6;
a through groove 1-1 is arranged on one side of the upper end surface of the installation box 1, a first screening groove 2, a second screening groove 3 and a movable collecting device 5 are sequentially arranged in the through groove 1-1 from top to bottom, through holes 1-2 communicated with the through groove 1-1 are respectively formed in two ends of the installation box 1, the movable collecting device 5 is in sliding connection with the groove side wall of the through groove 1-1 along the horizontal direction, the sliding direction of the movable collecting device 5 is consistent with the direction of the two through holes 1-2 on the installation box 1, the outer walls of one side of the first screening groove 2 and the second screening groove 3 are in sliding connection with the groove side wall corresponding to the through groove 1-1, a second sliding block 10 is arranged on the outer wall of one side of the first screening groove 2 and the second screening groove 3, and a second sliding groove 1-4 matched with the second sliding block 10 is arranged on the side wall of one side of the through groove 1-, each sliding block II 10 is in sliding connection with a corresponding sliding groove II 1-4, the other side of the upper end surface of the installation box 1 is provided with two grooves 1-3 in parallel along the direction of a through opening 1-2, a movable block 7 is slidably installed in each groove 1-3, the bottom surface of each groove 1-3 is provided with a sliding groove III, the lower end of each movable block 7 is in sliding connection with the corresponding sliding groove III, the outer walls of the two ends of each movable block 7 are fixedly connected with the side walls of the corresponding groove 1-3 through tension springs 8, the outer wall of the other side of the installation box 1 is provided with two openings 1-5 which are respectively communicated with the two grooves 1-3, a screening driving mechanism 4 is installed between the two movable blocks 7 at the openings 1-5, and the outer walls of the other sides of the first screening groove 2 and the second screening groove 3 are respectively fixed with two sliding blocks I9 which are horizontally arranged in parallel, four sliding grooves I1-6 which are respectively communicated with the two grooves 1-3 in a corresponding mode are formed in the side wall of the through groove 1-1 adjacent to the sliding block I9, each sliding block I9 is in one-to-one correspondence and sliding connection with the corresponding sliding groove I1-6, one sliding block I9 on the first screening groove 2 is fixedly connected with the outer wall corresponding to one movable block 7, one sliding block I9 on the second screening groove 3 is fixedly connected with the outer wall corresponding to the other movable block 7, the upper end of each ground supporting knob 6 is in threaded connection with the lower end face of the installation box 1, four screw holes are vertically formed in the lower end face of the installation box 1, external threads are formed in the outer wall of each ground supporting knob 6, and the external threads of each ground supporting knob 6 are in one-to-one threaded connection with the screw holes of the installation box 1.
The second embodiment is as follows: as shown in fig. 5 and 6, the screening driving mechanism 4 includes a motor 4-1, a rotating shaft 4-2, a connecting short rod 4-3, a connecting long rod 4-4 and a long shaft 4-6;
the motor 4-1 is horizontally arranged and installed in the other movable block 7 (the upper end face of the other movable block 7 is provided with a sinking cavity 7-1, the motor 4-1 is horizontally arranged, a shell of the motor 4-1 is installed in the sinking cavity 7-1 of the other movable block 7), an output shaft of the motor 4-1 is fixedly connected with one end of a rotating shaft 4-2, the motor 4-1 is powered by an external power supply, the other end of the rotating shaft 4-2 penetrates through the corresponding side wall of the other movable block 7 through a bearing in a rotating manner and is fixedly connected with one end of a connecting short rod 4-3, the other end of the connecting short rod 4-3 is rotatably connected with one end of a connecting long rod 4-4 through a pin shaft I4-5, and the other end of the connecting long rod 4-4 is rotatably connected with one end of a long shaft 4-6, the other end of the long shaft 4-6 is fixedly connected with the outer wall corresponding to one movable block 7.
The third concrete implementation mode: as shown in fig. 2, 4 and 8, the movable collecting device 5 comprises a collecting box 5-1, a push-pull mechanism 5-2, two locking mechanisms 5-3 and four brake casters 5-4; the upper end of the collecting box 5-1 is an open end;
the collecting box 5-1 is connected with the side wall of the through groove 1-1 on the mounting box 1 in a sliding way (two opposite outer walls of the collecting box 5-1 are respectively provided with a sliding block III 5-12, the directions of the two sliding blocks III 5-12 are consistent with the direction of a through hole 1-2 on the mounting box 1, the side wall of the through groove 1-1 on the mounting box 1 is provided with a sliding groove IV 1-11 matched with each sliding block III 5-12, each sliding block III 5-12 is connected with the corresponding sliding groove IV 1-11 in a sliding way), the lower end surface of the collecting box 5-1 is fixed with four brake trundles 5-4, one end side plate of the collecting box 5-1 is a fixed side plate, the inner wall of the fixed side plate is fixedly provided with a push-pull mechanism 5-2, the side plate at the other end of the collecting box 5, two locking mechanisms 5-3 are arranged between the movable side plate 5-11 and the collecting box 5-1, the upper end of the movable side plate 5-11 is hinged with the corresponding inner side wall of the collecting box 5-1 through a pin shaft two 5-5, and the lower end of the movable side plate 5-11 is fixed on the collecting box 5-1 through the two locking mechanisms 5-3.
The fourth concrete implementation mode: as shown in fig. 8 and 10, the push-pull mechanism 5-2 comprises a hydraulic cylinder 5-21, a push plate 5-22 and a plurality of limiting mechanisms 5-23 (preferably, four limiting mechanisms 5-23 are arranged on the push-pull mechanism 5-2);
the push plate 5-22 is fixedly connected with the end part of a cylinder rod of the hydraulic cylinder 5-21, the cylinder body of the hydraulic cylinder 5-21 is fixedly connected with the inner wall of the fixed side plate of the collection box 5-1, a plurality of limiting mechanisms 5-23 are fixed on the side wall of the push plate 5-22 adjacent to the hydraulic cylinder 5-21, and each limiting mechanism 5-23 is flush with the edge of the push plate 5-22.
The fifth concrete implementation mode: as shown in fig. 9, each locking mechanism 5-3 comprises a locking screw 5-31 and a connecting lug 5-32;
the connecting lugs 5-32 are fixedly connected with the outer wall of the movable side plate 5-11 of the collecting box 5-1, the connecting lugs 5-32 are in threaded connection with the collecting box 5-1 through locking screws 5-31 (two threaded holes 5-13 are formed in the outer side wall of the other end of the collecting box 5-1, and the locking screws 5-31 penetrate through the corresponding connecting lugs 5-32 to be in threaded connection with the threaded holes 5-13 in the collecting box 5-1).
The sixth specific implementation mode: as shown in fig. 10, each of the limiting mechanisms 5-23 comprises two L-shaped plates 5-231, a plurality of cylindrical sleeves 5-232 and a plurality of connecting shafts 5-233;
the two L-shaped plates 5-231 are arranged in parallel and fixedly connected with each other through a plurality of connecting shaft rods 5-233, one cross rod on each L-shaped plate 5-231 is fixedly connected with the corresponding side wall of the push plate 5-22, a cylindrical sleeve 5-232 is sleeved on the connecting shaft rod 5-233 between the other cross rods on the two L-shaped plates 5-231, each cylindrical sleeve 5-232 can rotate on the corresponding connecting shaft rod 5-233, the outer surface of the cylindrical sleeve 5-232 on each limiting mechanism 5-23 is flush with the corresponding edge of the push plate 5-22, the edges of the push plate 5-22 except the upper end edge are provided with limiting mechanisms 5-23 (preferably, two limiting mechanisms 5-23 of the four limiting mechanisms 5-23 are arranged on the lower edge of the push plate 5-22, the other two limiting mechanisms 5-23 are respectively arranged on the two side edges of the push plate 5-22).
The seventh embodiment: as shown in fig. 7, each of the first screening groove 2 and the second screening groove 3 includes an installation frame and a detachable gauze, the detachable gauze is provided with a plurality of gauzes with different apertures, and the gauzes are replaced according to different materials to be screened;
the one end curb plate of installing frame is adjustable fender, adjustable fender and installing frame are along vertical sliding connection (adjustable fender's lateral wall both ends are equipped with slider four along vertical respectively, the one end both sides outer wall of installing frame is along vertical spout five that is equipped with, two sliders four and five one-to-ones of spout and sliding connection), the one end lateral wall of installing frame is equipped with the sliding chamber, can dismantle the gauze and slide and set up the sliding chamber of installing frame.
The specific implementation mode is eight: as shown in fig. 5, the area of the detachable gauze on the second screening groove 3 is larger than that of the detachable gauze on the first screening groove 2, so that the materials in the first screening groove are prevented from falling out of the outer side of the second screening groove when the materials are screened.
The specific implementation method nine: as shown in fig. 1 and 8, the movable collecting device 5 further comprises a shielding plate 5-6, and the shielding plate 5-6 is arranged above the hydraulic cylinder 5-21 and is fixedly connected with the upper end of the collecting box 5-1.
When the utility model is used, the four ground supporting knobs 6 are adjusted downwards to abut against the ground;
the materials to be screened are poured into the first screening groove 2, the external power supply supplies power, the motor 4-1 is started, the motor 4-1 drives the rotating shaft 4-2 to rotate, the connecting short rod 4-3 rotates around the rotating shaft 4-2, through the connection of the pin shaft I4-5, the long connecting rod 4-4 moves along with the short connecting rod 4-3, the long connecting rod 4-4 is arranged on the long shaft 4-6, the long shaft 4-6 is fixed on the movable block 7, the long connecting rod 4-4 drives the movable block 7 to slide, the tension springs 8 at the two ends of the movable block 7 are extruded and stretched, the two movable blocks 7 move relatively, the first screening groove 2 and the second screening groove 3 also move relatively, materials are screened, and finally fall into the collecting box 5-1, and the motor 4-1 stops working after screening is finished;
the collection box 5-1 is slid along the four sliding chutes 1-11, the whole movable collection device 5 is pushed to the next place to be processed, the brake caster 5-4 is locked, an external member bearing box is placed at the position of the movable side plate 5-11 of the collecting box 5-1, two locking screws 5-31 are unscrewed, a hydraulic cylinder 5-21 is started, the hydraulic cylinder 5-21 pushes a push plate 5-22, the push plate 5-22 pushes the screened materials in the collecting box 5-1 to the position of the movable side plate 5-11 of the collecting box 5-1, as the movable side plate 5-11 is hinged with the collecting box 5-1, therefore, the screened materials are pushed out from the movable side plates 5-11 under the thrust action of the hydraulic cylinders 5-21, and the material falls into the external component bearing box, and the material in the external component bearing box is processed and operated in the next step.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other forms of embodiment without departing from the spirit or essential characteristics of the invention. 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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a material sieving mechanism is used in road bridge construction which characterized in that: the screening device comprises an installation box (1), a first screening groove (2), a second screening groove (3), a screening driving mechanism (4), a movable collecting device (5), two movable blocks (7), four tension springs (8), four first sliding blocks (9) and four ground supporting knobs (6);
one side of the upper end face of the installation box (1) is provided with a through groove (1-1), a first screening groove (2), a second screening groove (3) and a movable collecting device (5) are sequentially arranged in the through groove (1-1) from top to bottom, through holes (1-2) communicated with the through groove (1-1) are respectively formed in the two ends of the installation box (1), the movable collecting device (5) is in sliding connection with the side wall of the through groove (1-1) along the horizontal direction, the outer walls of one side of the first screening groove (2) and one side of the second screening groove (3) are in sliding connection with the side wall of the groove corresponding to the through groove (1-1), the other side of the upper end face of the installation box (1) is provided with two grooves (1-3) in parallel along the direction of the through holes (1-2), and a movable block (7) is arranged in each groove (1-3) in a, the outer walls of two ends of each movable block (7) are fixedly connected with the side walls of the corresponding grooves (1-3) through tension springs (8), the outer wall of the other side of the installation box (1) is provided with two openings (1-5) communicated with the two grooves (1-3) respectively, a screening driving mechanism (4) is arranged between the two movable blocks (7) positioned at the openings (1-5), the outer walls of the other sides of the first screening groove (2) and the second screening groove (3) are respectively and fixedly provided with two sliding blocks (9) which are horizontally arranged in parallel, the side wall of the groove (1-1) adjacent to the sliding block (9) is provided with four sliding grooves (1-6) communicated with the two grooves (1-3) respectively in a corresponding mode, and each sliding block (9) is in one-to-one sliding connection with the sliding grooves (1-6), one of them slider (9) on first screening groove (2) and the outer wall fixed connection that one of them movable block (7) correspond, one of them slider (9) on second screening groove (3) and the outer wall fixed connection that another movable block (7) correspond, the upper end of every knob on earth all with the lower terminal surface threaded connection of install bin (1).
2. The material screening device for road and bridge construction according to claim 1, wherein: the screening driving mechanism (4) comprises a motor (4-1), a rotating shaft (4-2), a connecting short rod (4-3), a connecting long rod (4-4) and a long shaft (4-6);
the motor (4-1) is horizontally arranged and installed in the other movable block (7), an output shaft of the motor (4-1) is fixedly connected with one end of the rotating shaft (4-2), the other end of the rotating shaft (4-2) rotates to penetrate through the corresponding side wall of the other movable block (7) and is fixedly connected with one end of the connecting short rod (4-3), the other end of the connecting short rod (4-3) is rotatably connected with one end of the connecting long rod (4-4) through a pin shaft I (4-5), the other end of the connecting long rod (4-4) is rotatably connected with one end of the long shaft (4-6), and the other end of the long shaft (4-6) is fixedly connected with the corresponding outer wall of one movable block (7).
3. The material screening device for road and bridge construction according to claim 1, wherein: the movable collecting device (5) comprises a collecting box (5-1), a push-pull mechanism (5-2), two locking mechanisms (5-3) and four braking trundles (5-4); the upper end of the collecting box (5-1) is an open end;
the collecting box (5-1) is connected with the groove side wall of the through groove (1-1) in the mounting box (1) in a sliding mode, four brake trundles (5-4) are fixed on the lower end face of the collecting box (5-1), a side plate at one end of the collecting box (5-1) is a fixed side plate, a push-pull mechanism (5-2) is fixedly arranged on the inner wall of the fixed side plate, a side plate at the other end of the collecting box (5-1) is a movable side plate (5-11), and two locking mechanisms (5-3) are installed between the movable side plate (5-11) and the collecting box (5-1).
4. The material screening device for road and bridge construction according to claim 3, wherein: the push-pull mechanism (5-2) comprises a hydraulic cylinder (5-21), a push plate (5-22) and a plurality of limiting mechanisms (5-23);
the push plate (5-22) is fixedly connected with the end part of a cylinder rod of the hydraulic cylinder (5-21), the cylinder body of the hydraulic cylinder (5-21) is fixedly connected with the inner wall of a fixed side plate of the collection box (5-1), a plurality of limiting mechanisms (5-23) are fixed on the side wall of the push plate (5-22) adjacent to the hydraulic cylinder (5-21), and each limiting mechanism (5-23) is flush with the edge of the push plate (5-22).
5. The material screening device for road and bridge construction according to claim 3, wherein: each locking mechanism (5-3) comprises a locking screw rod (5-31) and a connecting lug (5-32);
the connecting lugs (5-32) are fixedly connected with the outer walls of the movable side plates (5-11) of the collecting box (5-1), and the connecting lugs (5-32) are in threaded connection with the collecting box (5-1) through locking screws (5-31).
6. The material screening device for road and bridge construction according to claim 4, wherein: each limiting mechanism (5-23) comprises two L-shaped plates (5-231), a plurality of cylindrical sleeves (5-232) and a plurality of connecting shaft rods (5-233);
the two L-shaped plates (5-231) are arranged in parallel and fixedly connected with each other through a plurality of connecting shaft rods (5-233), one cross rod on each L-shaped plate (5-231) is fixedly connected with the corresponding side wall of the push plate (5-22), a cylindrical sleeve (5-232) is sleeved on each connecting shaft rod (5-233) between the other cross rods on the two L-shaped plates (5-231), each cylindrical sleeve (5-232) can rotate on the corresponding connecting shaft rod (5-233), the outer surface of each cylindrical sleeve (5-232) on the limiting mechanism (5-23) is flush with the corresponding edge of the push plate (5-22), and the edges of the push plates (5-22) except the upper ends are provided with the limiting mechanisms (5-23).
7. The material screening device for road and bridge construction according to claim 1, wherein: the first screening groove (2) and the second screening groove (3) both comprise an installation frame and a detachable gauze;
the one end curb plate of installing frame is adjustable fender, adjustable fender and installing frame are along vertical sliding connection, can dismantle the gauze and slide and set up on the installing frame.
8. The material screening device for road and bridge construction according to claim 7, wherein: the area of the detachable gauze on the second screening groove (3) is larger than that of the detachable gauze on the first screening groove (2).
9. The material screening device for road and bridge construction according to claim 4, wherein: the movable collecting device (5) further comprises a shielding plate (5-6), and the shielding plate (5-6) is arranged above the hydraulic cylinder (5-21) and is fixedly connected with the upper end of the collecting box (5-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920769145.6U CN209935234U (en) | 2019-05-25 | 2019-05-25 | Material sieving mechanism is used in road bridge construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920769145.6U CN209935234U (en) | 2019-05-25 | 2019-05-25 | Material sieving mechanism is used in road bridge construction |
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| CN209935234U true CN209935234U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920769145.6U Expired - Fee Related CN209935234U (en) | 2019-05-25 | 2019-05-25 | Material sieving mechanism is used in road bridge construction |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111889348A (en) * | 2020-08-26 | 2020-11-06 | 中国十九冶集团有限公司 | Automatic change grit screening installation |
| CN112246637A (en) * | 2020-09-22 | 2021-01-22 | 高邮市迅达工程机械集团有限公司 | Grit multi-stage screening device |
| CN112452753A (en) * | 2020-10-23 | 2021-03-09 | 广州腾涟晟建材有限公司 | Aggregate screening installation of effective energy-conserving for building |
-
2019
- 2019-05-25 CN CN201920769145.6U patent/CN209935234U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111889348A (en) * | 2020-08-26 | 2020-11-06 | 中国十九冶集团有限公司 | Automatic change grit screening installation |
| CN112246637A (en) * | 2020-09-22 | 2021-01-22 | 高邮市迅达工程机械集团有限公司 | Grit multi-stage screening device |
| CN112452753A (en) * | 2020-10-23 | 2021-03-09 | 广州腾涟晟建材有限公司 | Aggregate screening installation of effective energy-conserving for building |
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