CN118122617A - Civil engineering grit sieving mechanism - Google Patents
Civil engineering grit sieving mechanism Download PDFInfo
- Publication number
- CN118122617A CN118122617A CN202410562657.0A CN202410562657A CN118122617A CN 118122617 A CN118122617 A CN 118122617A CN 202410562657 A CN202410562657 A CN 202410562657A CN 118122617 A CN118122617 A CN 118122617A
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- CN
- China
- Prior art keywords
- sand
- roller
- civil engineering
- screening
- belt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007873 sieving Methods 0.000 title claims description 30
- 238000012216 screening Methods 0.000 claims abstract description 54
- 239000004576 sand Substances 0.000 claims abstract description 47
- 239000004575 stone Substances 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/52—Cleaning with brushes or scrapers
- B07B1/522—Cleaning with brushes or scrapers with brushes
- B07B1/524—Cleaning with brushes or scrapers with brushes the brushes being rotating
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to the technical field of sand and stone screening, and discloses a civil engineering sand and stone screening device, which comprises a screening box and further comprises: the round roller is rotatably arranged at one side of the interior, and is fixedly provided with two sieve plates which are uniformly distributed in a ring shape; the rotary table is rotatably arranged in the semicircular groove, and the end part of the round roller is fixedly arranged on the inner side of the rotary table; the knocking components are arranged in two, and the two knocking components are respectively arranged on the two sieve plates. According to the invention, the sieve plates in the screening box can be changed to screen sand and stone by using the sieve plates with different apertures, so that the adaptability of the screening box is ensured, in addition, when the sand and stone fall, the sieve plates are knocked by the impact force of the sand and stone falling, so that the sieve plates shake to accelerate the screening and blanking, in addition, the sand and stone fall can also enable the steel brush roller to rotate and move at the same time, and sand and stone clamped in the apertures are cleaned, so that the use smoothness and effect of the equipment are improved.
Description
Technical Field
The invention relates to the technical field of sand and stone screening, in particular to a civil engineering sand and stone screening device.
Background
Civil engineering sand sieving refers to a process of sieving sand materials in civil engineering construction. The purpose of the sand sieving is to remove impurities and adjust the particle size distribution so as to meet engineering design requirements. Screening is usually carried out by using a screen or a sieve mesh, screens or sieve meshes with different specifications are selected according to engineering requirements, and sand materials are classified so as to ensure the quality of construction materials and the stability of engineering.
The utility model discloses a grit sieving mechanism for civil engineering as disclosed in patent publication No. CN211865782U, because it is when sieving the grit, does not have the screen cloth of changing different apertures, causes this equipment to have certain limitation when using, still can not clear up the function of grit of card on the screen cloth in addition, leads to a large amount of grit to the screen cloth to block up, has reduced the smoothness nature and the effect of screening, so what need to design a civil engineering grit sieving mechanism.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a civil engineering sand sieving device.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
civil engineering grit sieving mechanism, including screening case, still include:
the round roller is rotatably arranged at one side of the interior, and is fixedly provided with two sieve plates which are uniformly distributed in a ring shape;
the rotary table is rotatably arranged in the semicircular groove, and the end part of the round roller is fixedly arranged on the inner side of the rotary table;
The two knocking assemblies are respectively arranged on the two sieve plates and used for knocking and vibrating the sieve plates so as to facilitate sand and stone discharging;
the cleaning assembly is arranged in two, and the two cleaning assemblies are installed on the turntable in a central symmetry mode and are used for cleaning sand and stones clamped on the sieve plate.
As a further technical scheme of the invention, two annular partition plates which are uniformly distributed are fixedly arranged on the round roller, the partition plates are used for blocking rectangular grooves at the screening box, a shield is further arranged on the side surface of the screening box, provided with the rectangular grooves, a driving motor is arranged on the side surface of the screening box, and an output shaft of the driving motor is arranged at the center of the end surface of the round roller.
As a further aspect of the present invention, a tapping assembly includes: the two striker plates are fixedly installed at two ends of the corresponding side surfaces of the sieve plates respectively, the two sieve plates are symmetrically arranged, a second blade roller and a rotating rod are rotatably installed on the side surface of the turntable, and the second blade roller is arranged below the end part of the corresponding striker plate.
As a further technical scheme of the invention, a plurality of uniformly distributed spring rods are fixedly arranged on the surface of the rotating rod, and impact balls are fixedly arranged at the telescopic ends of the spring rods, so that the impact balls and the sieve plate slide when the impact balls are contacted with the surface of the sieve plate.
As a further technical scheme of the invention, a second belt is rotatably arranged on the outer side of the turntable, second belt pulleys are respectively arranged at two ends of the inner part of the second belt, second shaft rods are respectively fixedly arranged at the centers of the side surfaces of the two second belt pulleys, the two second shaft rods are respectively rotatably arranged on the outer side of the turntable, and the ends of the two second shaft rods are respectively fixedly arranged at the centers of the ends of the second blade roller and the rotating rod through connecting shafts.
As a further aspect of the present invention, the cleaning assembly includes: the steel brush roller and the first blade roller are horizontally arranged on the side face of the corresponding sieve plate, a penetrating sliding groove is formed in the side face of the turntable, a sliding block is slidably mounted in the sliding groove, the steel brush roller is rotatably mounted on the side face of the sliding block, a baffle used for plugging the sliding groove is slidably arranged on the outer side of the turntable, the first blade roller is rotatably mounted on the inner side of the turntable, a third gear is rotatably mounted on the side face of the baffle, which is far away from the sliding block, of the baffle, the center of the side face of the third gear is fixedly mounted on the center of the end face of the steel brush roller through a connecting shaft, a rack is fixedly mounted on the outer side of the turntable, and the third gear and the rack are meshed with each other.
As a further technical scheme of the invention, the side surface of the baffle, which is far away from the sliding block, is fixedly provided with a U-shaped block, the outer side of the turntable is rotatably provided with a reciprocating screw, and the surface of the reciprocating screw is connected with the inner part of the U-shaped block through threads.
As a further technical scheme of the invention, the surface of the reciprocating screw rod is fixedly sleeved with a first bevel gear, the side surface of the first bevel gear is meshed with a second bevel gear, the side surface of the second bevel gear is rotatably provided with a first belt, both ends of the inside of the first belt are respectively provided with a first belt wheel, one first belt wheel is fixedly arranged at the center of the side surface of the second bevel gear, a U-shaped rod is rotatably arranged at the center of the side surface of the first belt wheel, and the other end of the U-shaped rod is fixedly arranged at the outer side of the turntable.
As a further technical scheme of the invention, a first shaft lever is fixedly arranged at the center of the side surface of the other first belt pulley, the first shaft lever is rotatably arranged at the outer side of the turntable, and the center of the end part of the first shaft lever is fixedly arranged at the center of the end surface of the first blade roller through a connecting shaft.
As a further technical scheme of the invention, a feed hopper is arranged on the side edge of the top of the screening box in a communicated manner, discharge holes which are distributed in a staggered manner are arranged on two sides of the screening box, and the bottom in the screening box is an inclined plane.
The beneficial effects of the invention are as follows:
according to the invention, through the arrangement of the cleaning component, the sieve plate and the knocking component, the sieve plate in the screening box can be changed, so that sand and stones can be screened by using sieve plates with different apertures, the suitability of the screening box is ensured, in addition, the sieve plate can be knocked by the impact force generated when the sand and stones fall down during screening, so that the sieve plate shakes to accelerate screening blanking, in addition, the sand and stones fall down to enable the steel brush roller to move while rotating, sand and stones clamped in the apertures are cleaned, and then the impact ball is knocked, so that the use smoothness and effect of the equipment are improved.
Drawings
FIG. 1 is a schematic structural view of a civil engineering sand sieving device according to the present invention;
FIG. 2 is a schematic diagram of a screening box and a shield of a civil engineering sand screening device according to the present invention after separation;
FIG. 3 is a schematic cross-sectional structure of a screening box of a civil engineering sand screening device according to the present invention;
FIG. 4 is an enlarged schematic view of portion A of FIG. 3;
fig. 5 is a schematic structural view of the civil engineering sand sieving device after removing the sieving box;
FIG. 6 is a schematic diagram of a construction of a civil engineering sand sieving apparatus according to the present invention after separating a turntable and a slider;
FIG. 7 is a schematic diagram of a baffle structure of a civil engineering sand sieving device according to the present invention;
Fig. 8 is an enlarged schematic view of a portion B in fig. 7.
In the figure: 1. a screening box; 2. a feed hopper; 3. a turntable; 4. a shield; 5. a discharge port; 6. a driving motor; 7. a partition plate; 8. a round roller; 9. a sieve plate; 10. a first blade roller; 11. a steel brush roll; 12. a second blade roller; 13. a striker plate; 14. a rotating rod; 15. a spring rod; 16. striking a ball; 17. a chute; 18. a slide block; 19. a baffle; 20. a U-shaped block; 21. a reciprocating screw; 22. a first belt; 23. a first pulley; 24. a rack; 25. a third gear; 26. a first bevel gear; 27. a second bevel gear; 28. a second belt; 29. a second pulley; 30. u-shaped rod.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, a civil engineering sand sieving device includes a sieving box 1, and further includes: the screening box comprises a round roller 8, a rotary table 3, knocking components and cleaning components, wherein rectangular grooves and semicircular grooves are formed in the adjacent side surfaces of the screening box 1 respectively, the round roller 8 is rotatably installed on one side of the inside, two annular evenly distributed screening plates 9 are fixedly installed on the round roller 8, the rotary table 3 is rotatably installed inside the semicircular grooves, the end part of the round roller 8 is fixedly installed on the inner side of the rotary table 3, the knocking components are two, the two knocking components are respectively installed on the two screening plates 9, the knocking components are used for knocking the screening plates 9 to vibrate so as to facilitate sand and gravel blanking, the cleaning components are two, the centers of the two cleaning components are symmetrically installed on the rotary table 3, and the cleaning components are used for cleaning sand and gravel clamped on the screening plates 9;
as described above, the rotation of the round roller 8 can exchange the two screen plates 9, so that the screen plates 9 with different apertures can be conveniently used for screening.
Referring to fig. 1-2, in a preferred embodiment, two annular and uniformly distributed partition plates 7 are fixedly installed on the round roller 8, the partition plates 7 are used for blocking rectangular grooves at the screening box 1, a shield 4 is also installed on the side surface of the screening box 1, a driving motor 6 is installed on the side surface of the screening box 1, and an output shaft of the driving motor 6 is installed at the center of the end surface of the round roller 8;
In particular, the partition 7 is used for plugging the screening box 1 after changing the screen deck 9.
Referring to fig. 1-8, in a preferred embodiment, the tapping assembly comprises: the two baffle plates 13 are arranged, the two baffle plates 13 are respectively and fixedly arranged at two ends of the side surfaces of the corresponding screen plates 9, the two screen plates 9 are symmetrically arranged, the side surfaces of the rotary table 3 are rotatably provided with a second blade roller 12 and a rotary rod 14, the second blade roller 12 is arranged below the end parts of the corresponding baffle plates 13, the surface of the rotary rod 14 is fixedly provided with a plurality of uniformly distributed spring rods 15, the telescopic end of each spring rod 15 is fixedly provided with a striking ball 16, when the striking ball 16 contacts with the surface of the screen plate 9, the striking ball 16 slides between the screen plates 9, the outer side of the rotary table 3 is rotatably provided with a second belt 28, two ends inside the second belt 28 are respectively provided with a second belt pulley 29, the side surfaces of the two second belt pulleys 29 are respectively and fixedly provided with a second shaft rod, the two second shaft rods are respectively and rotatably arranged at the outer sides of the rotary table 3, and the end parts of the two second shaft rods are respectively and fixedly arranged at the end parts of the second blade roller 12 and the rotary rod 14 through connecting shafts;
Further, the impact ball 16 impacts the screen plate 9 to vibrate, so that the sand and gravel roll off the screen plate 9.
Referring to fig. 1-8, in a preferred embodiment, the cleaning assembly includes: the steel brush roller 11 and the first blade roller 10, the steel brush roller 11 is horizontally arranged on the side surface of the corresponding screen plate 9, the side surface of the turntable 3 is provided with a penetrating chute 17, a sliding block 18 is arranged in the chute 17 in a sliding manner, the steel brush roller 11 is rotatably arranged on the side surface of the sliding block 18, a baffle 19 for blocking the chute 17 is arranged on the outer side of the turntable 3 in a sliding manner, the first blade roller 10 is rotatably arranged on the inner side of the turntable 3, a third gear 25 is rotatably arranged on the side surface of the baffle 19 far away from the sliding block 18, the center of the side surface of the third gear 25 is fixedly arranged on the center of the end surface of the steel brush roller 11 through a connecting shaft, a rack 24 is fixedly arranged on the outer side of the turntable 3, the third gear 25 and the rack 24 are meshed with each other, a U-shaped block 20 is fixedly arranged on the side surface of the baffle 19 far away from the sliding block 18, a reciprocating screw 21 is rotatably arranged on the outer side of the turntable 3, the surface of the reciprocating screw 21 is connected to the inside of the U-shaped block 20 through threads, a first bevel gear 26 is fixedly sleeved on the surface of the reciprocating screw 21, a second bevel gear 27 is meshed with the side surface of the first bevel gear 26, a first belt 22 is rotatably arranged on the side surface of the second bevel gear 27, first belt wheels 23 are arranged at two ends inside the first belt 22, one first belt wheel 23 is fixedly arranged at the center of the side surface of the second bevel gear 27, a U-shaped rod 30 is rotatably arranged at the center of the side surface of the first belt wheel 23, the other end of the U-shaped rod 30 is fixedly arranged at the outer side of the turntable 3, a first shaft lever is fixedly arranged at the center of the side surface of the other first belt wheel 23, the first shaft lever is rotatably arranged at the outer side of the turntable 3, and the center of the end of the first shaft lever is fixedly arranged at the center of the end surface of the first blade roller 10 through a connecting shaft;
Preferably, the steel brush roller 11 can be used for cleaning sand and stones clamped in the aperture of the screen plate 9 when moving, so that the screen plate 9 is prevented from being blocked in a large area during screening, the condition that screening cannot be performed is caused, and the screening smoothness is ensured.
Referring to fig. 1-2, in a preferred embodiment, a feed hopper 2 is installed on the top side of a screening box 1 in a communicating manner, discharge ports 5 distributed in a staggered manner are formed on two sides of the screening box 1, and the inner bottom of the screening box 1 is an inclined plane;
Two discharge ports 5, one for discharging large-sized sand and one for discharging small-sized sand, are provided.
The working principle of the invention is as follows: firstly, a sieve plate 9 with a proper aperture is selected, and only the driving motor 6 is needed to drive the round roller 8 to rotate, the round roller 8 rotates to drive the rotary table 3 and the partition plate 7 to rotate, the partition plate 7 is used for blocking the screening box 1, and the rotation of the round roller 8 and the rotary table 3 can drive the sieve plate 9 to rotate, so that the sieve plate 9 with the proper aperture can be selected to the inside of the screening box 1;
When the sieve plate 9 is selected, sand and stone can be added into the interior of the feed hopper 2, and then the sand and stone in the interior of the feed hopper 2 fall into the interior of the screening box 1 and then collide with the first blade roller 10 so as to realize the rotation of the first blade roller 10, the rotation of the first blade roller 10 drives the first belt 22 and the first belt pulley 23 to rotate, the rotation of the first belt pulley 23 drives the second bevel gear 27 to rotate, the rotation of the second bevel gear 27 drives the first bevel gear 26 to rotate, the rotation of the first bevel gear 26 drives the reciprocating screw 21 to rotate, the rotation of the reciprocating screw 21 drives the U-shaped block 20 to reciprocate, the reciprocating movement of the U-shaped block 20 drives the baffle 19 (the baffle 19 is used for plugging the chute 17), the reciprocating movement of the baffle 19 drives the slider 18 to reciprocate in the chute 17 and the reciprocating movement of the third gear 25, and the reciprocating movement of the steel brush roller 11 is driven by the reciprocating movement of the slider 18, and due to the arrangement of the rack 24, the third gear 25 rotates while the rotation of the steel brush roller 11 rotates, the rotation of the steel brush roller 11 can clean sand and stone clamped in the aperture of the sieve plate 9, sand and stone screening can not be blocked in the sieve plate 9, and stone screening conditions are guaranteed, and the sieve plate screening can not be caused;
After screening the grit of screen plate 9, tiny grit can see through screen plate 9, owing to the setting of striker plate 13 for the grit of see through screen plate 9 can only follow intermediate position whereabouts, then tiny grit can strike second blade roller 12, make second blade roller 12 rotate, second blade roller 12 rotates and drives bull stick 14 through second belt 28 and second band pulley 29 and rotate, bull stick 14 rotates and drives spring bar 15 and impact ball 16 and rotate, thereby can make impact ball 16 impact screen plate 9 take place vibrations, the speed that the grit rolls on screen plate 9 has been accelerated, and cooperate with steel brush roller 11, guaranteed that screen plate 9 aperture can not be stopped up, and then improved the use smoothness and the efficiency of this equipment.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. Civil engineering grit sieving mechanism, including screening case (1), its characterized in that still includes:
The round roller (8), rectangular grooves and semicircular grooves are respectively formed in the adjacent side surfaces of the screening box (1), the round roller (8) is rotatably arranged on one side of the inside, and two annular evenly distributed screen plates (9) are fixedly arranged on the round roller (8);
The rotary table (3), the rotary table (3) is rotatably arranged in the semicircular groove, and the end part of the round roller (8) is fixedly arranged at the inner side of the rotary table (3);
The two knocking assemblies are respectively arranged on the two sieve plates (9) and are used for knocking and vibrating the sieve plates (9) so as to facilitate sand and gravel discharging;
The cleaning assembly is arranged on the turntable (3) in a central symmetry mode, and is used for cleaning sand and stones clamped on the sieve plate (9).
2. The civil engineering sand sieving device according to claim 1, wherein two annular evenly-distributed partition plates (7) are fixedly arranged on the round roller (8), the partition plates (7) are used for plugging rectangular grooves at the sieving box (1), a shield (4) is further arranged on the side surface of the sieving box (1) provided with the rectangular grooves, a driving motor (6) is arranged on the side surface of the sieving box (1), and an output shaft of the driving motor (6) is arranged at the center of the end surface of the round roller (8).
3. A civil engineering sand screening apparatus as claimed in claim 2, wherein said rapping assembly includes: the two baffle plates (13), the two baffle plates (13) are respectively fixedly installed at two ends of the side face of the corresponding screen plate (9), the two screen plates (9) are symmetrically arranged, a second blade roller (12) and a rotating rod (14) are rotatably installed on the side face of the rotary disc (3), and the second blade roller (12) is arranged below the end part of the corresponding baffle plate (13).
4. A civil construction sand screening device according to claim 3, characterized in that the surface of the rotating rod (14) is fixedly provided with a plurality of uniformly distributed spring rods (15), the telescopic end of each spring rod (15) is fixedly provided with a striking ball (16), and when the striking ball (16) is contacted with the surface of the screen plate (9), the striking ball (16) and the screen plate (9) slide.
5. The civil engineering sand sieving device according to claim 4, wherein a second belt (28) is rotatably arranged on the outer side of the rotary table (3), second belt pulleys (29) are respectively arranged at two ends of the inner portion of the second belt (28), second shaft rods are fixedly arranged at the center of the side faces of the second belt pulleys (29), the second shaft rods are rotatably arranged on the outer side of the rotary table (3), and the end parts of the second shaft rods are fixedly arranged at the center of the end parts of the second blade roller (12) and the rotary rod (14) respectively through connecting shafts.
6. The apparatus of claim 5, wherein the cleaning assembly comprises: steel brush roller (11) and first blade roller (10), steel brush roller (11) level sets up in sieve (9) side that corresponds, spout (17) that run through have been seted up to carousel (3) side, spout (17) inside slidable mounting has slider (18), steel brush roller (11) rotate and install in slider (18) side, carousel (3) outside slidable mounting is provided with baffle (19) that are used for shutoff spout (17), first blade roller (10) rotate and install in carousel (3) inboard, the side rotation that slider (18) were kept away from to baffle (19) has third gear (25), third gear (25) side center department is through connecting axle fixed mounting in steel brush roller (11) terminal surface center department, carousel (3) outside still fixed mounting has rack (24), third gear (25) and rack (24) intermeshing.
7. The civil engineering sand sieving device according to claim 6, wherein a U-shaped block (20) is fixedly arranged on the side surface, far away from the sliding block (18), of the baffle plate (19), a reciprocating screw (21) is rotatably arranged on the outer side of the rotary table (3), and the surface of the reciprocating screw (21) is connected to the inside of the U-shaped block (20) through threads.
8. The civil engineering sand sieving device according to claim 7, wherein a first bevel gear (26) is fixedly sleeved on the surface of the reciprocating screw (21), a second bevel gear (27) is meshed with the side face of the first bevel gear (26), a first belt (22) is rotatably arranged on the side face of the second bevel gear (27), first belt wheels (23) are arranged at two ends inside the first belt (22), one of the first belt wheels (23) is fixedly arranged at the center of the side face of the second bevel gear (27), a U-shaped rod (30) is rotatably arranged at the center of the side face of the first belt wheel (23), and the other end of the U-shaped rod (30) is fixedly arranged outside the rotary disc (3).
9. A civil engineering sand sieving device according to claim 8, wherein a first shaft lever is fixedly mounted at the side surface center of the other first belt wheel (23), the first shaft lever is rotatably mounted at the outer side of the turntable (3), and the end center of the first shaft lever is fixedly mounted at the end surface center of the first blade roller (10) through a connecting shaft.
10. The civil engineering sand and stone sieving device according to claim 9, wherein a feeding hopper (2) is installed on the side edge of the top of the sieving box (1) in a communicating manner, discharge ports (5) distributed in a staggered manner are formed in two sides of the sieving box (1), and the inner bottom of the sieving box (1) is an inclined plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410562657.0A CN118122617B (en) | 2024-05-08 | 2024-05-08 | Civil engineering grit sieving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410562657.0A CN118122617B (en) | 2024-05-08 | 2024-05-08 | Civil engineering grit sieving mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118122617A true CN118122617A (en) | 2024-06-04 |
| CN118122617B CN118122617B (en) | 2024-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410562657.0A Active CN118122617B (en) | 2024-05-08 | 2024-05-08 | Civil engineering grit sieving mechanism |
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| Country | Link |
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| CN (1) | CN118122617B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118304995A (en) * | 2024-06-11 | 2024-07-09 | 唐山中材重型机械有限公司 | Screening device of superfine powder tube mill |
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| CN118304995B (en) * | 2024-06-11 | 2024-08-02 | 唐山中材重型机械有限公司 | Screening device of superfine powder tube mill |
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