CN112473909A

CN112473909A - Building sand filtration equipment

Info

Publication number: CN112473909A
Application number: CN202011279176.7A
Authority: CN
Inventors: 廖家健
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-03-12

Abstract

The invention discloses building sand filtering equipment which comprises an engine body, wherein the engine body is provided with a crushing device, sliding blocks, a sieving spring, a sieve plate device and a vibrator, the crushing device is arranged on one side of the top of the engine body, the sliding blocks are arranged on two sides in the engine body and are in sliding connection with the engine body, the sieving spring is fixed between the bottom of each sliding block and two sides corresponding to the engine body, the sieve plate device is fixed at one end, far away from the inner wall of the engine body, of each sliding block, the sieve plate device is obliquely arranged, and the vibrator is fixed at the bottom of the sieve plate device and is close to the sliding blocks. This building sand filtration equipment has reached the broken sand group, prevents the purpose of jam, and is rational in infrastructure simple, and convenient to use can be in time broken to moist sand group, avoids appearing piling up, has reduced the local limitation, can prevent blockking up simultaneously, and the fast high quality of filter speed has improved work efficiency and performance.

Description

Building sand filtration equipment

Technical Field

The invention relates to the technical field of building equipment, in particular to building sand filtering equipment.

Background

With the development of science and technology and social progress, the building industry is also rapidly developed. The building site is also called building site and construction site, the building site is called as a site for building project development and civil engineering, the range of the building site is often enclosed by coamings, wire netting or enclosing walls to limit the access of personnel, materials, machinery and vehicles, the most common building site is sand, the use of the sand is very wide, the sand is used for building, road repairing, filtering, breeding and beautifying, and is also a main material for manufacturing glass when being used as a smelting quick-dissolving agent, and the sand is one of important components in concrete on the building site. Most of the sand on the construction site is coarse sand, and because fine sand needs to be mixed with cement in the construction process, standard concrete is mixed, so that the coarse sand needs to be filtered by constructors, and the sand meeting the requirements is selected.

The present sand filtration equipment adopts simple and easy screen cloth to filter the coarse sand mostly, when meetting moist sand, the sand conglobation appears, can't be broken with sand conglobation, does not change follow-up filtration, causes the sand to pile up easily for the filter effect is poor, causes mechanical damage simultaneously easily, is unsuitable to filter moist sand, has great limitation, and the condition of jam appears easily in the screen cloth moreover, and filter speed is slower and the quality is low, has reduced performance.

Disclosure of Invention

Objects of the invention

The invention provides a building sand filtering device, which aims to solve the technical problems in the background art, and solves the problems that most of the existing sand filtering devices adopt a simple screen to filter coarse sand, when wet sand is encountered, the sand is agglomerated, the sand agglomeration cannot be broken, the subsequent filtering is not changed, sand accumulation is easily caused, the filtering effect is poor, mechanical damage is easily caused, the screen is easily blocked, the filtering speed is low, the quality is low, and the service performance is reduced.

(II) technical scheme

The invention provides building sand filtering equipment which comprises a machine body, wherein the machine body is provided with a crushing device, sliding blocks, a sieving spring, a sieve plate device and a vibrator, the crushing device is arranged on one side of the top of the machine body, the sliding blocks are arranged on two sides of the interior of the machine body and are in sliding connection with the machine body, the sieving spring is fixed between two sides of the bottom of each sliding block, which correspond to the machine body, the sieve plate device is fixed at one end, far away from the inner wall of the machine body, of each sliding block, the sieve plate device is obliquely arranged, and the vibrator is fixed at the bottom of the sieve plate device and.

Preferably, the crushing device is provided with a supporting plate, a motor, a rotating shaft and a crushing tooth device, the motor is fixed on one side of the surface of the supporting plate, the rotating shaft is fixedly connected with an output shaft of the motor through a coupler, the rotating shaft is rotatably connected with the top of the machine body, and the crushing tooth device is fixed on the surface of the rotating shaft and located in the inner position of the machine body.

Preferably, the crushing tooth device is provided with a crushing rod, arc concave surfaces, arc grooves and a centrifugal driving device, the arc concave surfaces are arranged on two corresponding sides of the surface of the crushing rod, the arc grooves are arranged on the surface of the crushing rod and located on the positions of the arc concave surfaces, and the centrifugal driving device is arranged inside the crushing rod.

Preferably, the centrifugal driving device is provided with a sliding column, a counterweight ball, a ratchet cutter, an arc return spring, a ball and a linear return spring, the counterweight ball is fixedly connected with one end of the sliding column through a sliding rod, the counterweight ball is positioned at the end part of the crushing rod, the ratchet cutter is rotatably connected with the surface of the crushing rod, the arc return spring is fixed between the end part of the surface of the ratchet cutter and the two corresponding sides of the inside of the sliding column, the ball is arranged at the end part of the ratchet cutter and is in rolling connection with the inside of the sliding column, and the linear return spring is fixed between the end part of the sliding column and the two corresponding sides of the inner wall of the crushing rod.

Preferably, the surface of the crushing rod is provided with notches matched with the ratchet knives when the ratchet knives rotate, the ratchet knives are uniformly distributed on the surface of the crushing rod, and the inside of the sliding column is provided with arc holes matched with the arc return springs.

Preferably, the ratchet knife comprises a ratchet knife body, a knife edge arc surface and a tip protrusion, wherein the knife edge arc surface is arranged on two corresponding sides of the surface of the ratchet knife body, and the tip protrusion is arranged on the surface of the ratchet knife body and located at the position of the knife edge arc surface.

Preferably, the sieve plate device is provided with a sieve plate body, sieve pores, a fan-shaped rotating wheel, a rotating device, an arc compression spring and an inclined plane ejector rod, the sieve pores are formed in the surface of the sieve plate body, the fan-shaped rotating wheel is rotatably connected to the inside of the sieve plate body and located at the positions of the sieve pores, the rotating device is fixed to the surface of the fan-shaped rotating wheel, the arc compression spring is fixed between the two sides, corresponding to the rotating device, of the inside of the sieve plate body, the inclined plane ejector rod is arranged at the bottom of the fan-shaped rotating wheel, and the end portion of the inclined plane.

Preferably, the sieve plate body is provided with an arc hole matched with the rotating device in the inside, and the bottom of the fan-shaped rotating wheel is provided with a guide inclined plane matched with the inclined plane ejector rod.

Preferably, the rotating device is provided with an arc rotary knife, an arc rotary knife edge and a puncture, the arc rotary knife edge is arranged on two corresponding sides of the surface of the arc rotary knife, and the puncture is fixed at the bottom of the arc rotary knife and close to the position of the arc rotary knife edge.

Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:

1. the sand screening machine is provided with the machine body, the crushing device, the sliding block, the screening spring, the screen plate device and the vibrator, can crush wet sand lumps, avoids sand lumps from being accumulated, is suitable for filtering dry sand and can also be suitable for wet sand, the adaptability is strong, the limitation is reduced, the blocking condition is avoided, the filtering efficiency is high, the using performance is improved, meanwhile, the screen plate device can carry out up-and-down reciprocating screening through the vibration of the vibrator and the elasticity provided by the screening spring, and the sand automatically rolls off due to the inclined arrangement of the screen plate device, so that the screening effect is further improved.

2. The invention is provided with the supporting plate, the motor, the rotating shaft and the crushing tooth device, the crushing device can automatically crush the wet sand mass, and meanwhile, the crushing tooth devices are vertically staggered, so that the crushing is rapid and uniform, the time and the labor are saved, and the working efficiency is high.

3. The crushing device is provided with the crushing rod and the centrifugal driving device, and can crush simultaneously in multiple directions through the crushing rod and the centrifugal driving device, so that the crushing is rapidly performed in unit time, the crushing efficiency is high, and the crushing effect is improved.

4. The crushing tooth device is provided with the arc concave surface and the arc groove, and the stress area of the crushing rod can be reduced through the arc concave surface and the arc groove, so that the resistance of sand particles is reduced, the crushing efficiency is indirectly improved, the crushing tooth device does not need large power when rotating, and the long-term use of the motor is facilitated.

5. The ratchet knife is provided with the ratchet knife, the arc-shaped return spring, the ball and the linear return spring, the ratchet knife can longitudinally cut the sand ball to quickly cut the sand ball, so that subsequent screening is facilitated, the arc-shaped return spring can provide elasticity, the ratchet knife can be timely reset, the whole volume is reduced, the ball can roll, the friction force is reduced, the ratchet knife can conveniently and quickly rotate under the action of centrifugal force, and the phenomenon of unsmooth jamming is avoided.

6. The ratchet knife is provided with the counterweight ball, the sliding column and the linear return spring, the counterweight ball and the sliding column are arranged, the gravity of the ratchet knife is provided, the ratchet knife can be conveniently deflected under the action of centrifugal force, the ratchet knife is lifted, sand balls can be conveniently cut, the linear return spring can provide tension, the sliding column can be pulled to return, and the ratchet knife can be returned.

7. The ratchet knife comprises a ratchet knife body, a knife edge cambered surface and a tip protrusion, wherein the knife edge cambered surface is arranged on the ratchet knife body, the stress area of the ratchet knife body can be reduced through the knife edge cambered surface, the ratchet knife is sharper, the chopping efficiency is improved, the tip protrusion is uniformly distributed on the surface of the ratchet knife body, the contact tip can be increased, contact points are increased, the sand ball can be conveniently cut, and the working efficiency is improved.

8. The sand filter screen plate comprises a screen plate body, screen holes, a fan-shaped rotating wheel, a rotating device, an arc compression spring and an inclined plane ejector rod, wherein the inclined plane ejector rod is arranged on the screen plate body and moves downwards to eject the fan-shaped rotating wheel, the fan-shaped rotating wheel and the rotating device can rotate in a reciprocating mode at the screen holes to stir sand in the screen holes, so that the blockage is prevented, the filtering efficiency of the sand is improved, the rotating device can be timely reset by providing elasticity through the arc compression spring, the sand is conveniently filtered, and the filtering effect is improved.

9. The sand sieve is provided with the arc rotary cutter and the arc rotary blade, and the puncture is carried out, so that the stress area of the arc rotary cutter can be reduced through the arc rotary blade, the arc rotary cutter is sharper, the condition of sand blockage is further avoided, the puncture can be used for pricking sand in the sieve pores, the wet and sticky sand can be prevented from being accumulated in the sieve pores, the condition of blockage by the wet sand is further avoided, the sand sieve is suitable for dry sand and wet sand, the adaptability is strong, and the limitation is reduced.

Drawings

Fig. 1 is a schematic perspective view of a construction sand filtering apparatus according to the present invention.

Fig. 2 is a schematic view of the internal structure of a construction sand filtering apparatus according to the present invention.

Fig. 3 is a schematic cross-sectional structure view of a crushing tooth device in a construction sand filtering apparatus according to the present invention.

Fig. 4 is a schematic diagram of the internal structure of a centrifugal driving device in a construction sand filtering apparatus according to the present invention.

Fig. 5 is a schematic structural view of a ratchet knife in a construction sand filtering apparatus according to the present invention.

Fig. 6 is a schematic structural view of a rotating device in the construction sand filtering apparatus according to the present invention.

Fig. 7 is an enlarged view of a portion a of fig. 2 in the construction sand filtering apparatus according to the present invention.

Fig. 8 is a sectional view B-B of fig. 2 in a construction sand filtering apparatus according to the present invention.

Reference numerals: 1. a body; 2. a crushing device; 3. a slider; 4. a sifting spring; 5. a sieve plate device; 6. a vibrator; 21. a support plate; 22. a motor; 23. a rotating shaft; 24. a crushing tooth device; 241. a breaking bar; 242. a circular arc concave surface; 243. a circular arc groove; 244. a centrifugal drive device; 2441. a traveler; 2442. a counterweight ball; 2443. a ratchet cutter; 2444. a circular arc return spring; 2445. a ball bearing; 2446. a linear return spring; 24431. a ratchet knife body; 24432. a blade arc surface; 24433. the tip is convex; 51. a sieve plate body; 52. screening holes; 53. a sector-shaped rotating wheel; 54. a rotating device; 55. a circular arc compression spring; 56. an inclined plane ejector rod; 541. a circular arc rotary cutter; 542. rotating the blade in an arc manner; 543. and (4) puncturing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-8, the building sand filtering apparatus provided by the invention comprises a machine body 1, wherein the machine body 1 is provided with a crushing device 2, a sliding block 3, a sieving spring 4, a sieve plate device 5 and a vibrator 6, the crushing device 2 is arranged on one side of the top of the machine body 1, the sliding block 3 is arranged on two sides inside the machine body 1 and is in sliding connection with the machine body 1, the sieving spring 4 is fixed between two sides corresponding to the bottom of the sliding block 3 and the machine body 1, the sieve plate device 5 is fixed at one end of the sliding block 3 far away from the inner wall of the machine body 1, the sieve plate device 5 is obliquely arranged, and the vibrator 6 is fixed at the bottom of the sieve plate.

In the invention, it should be noted that the machine body 1, the crushing device 2, the sliding block 3, the sieving spring 4, the sieve plate device 5 and the vibrator 6, the crushing device 2 can crush wet sand lumps to avoid sand lumps from being accumulated, the dry sand filtering device is suitable for filtering dry sand and can also be suitable for wet sand, the adaptability is strong, the limitation is reduced, the blockage is avoided, the filtering efficiency is high, the service performance is improved, meanwhile, the sieve plate device 5 can carry out reciprocating sieving up and down through the vibration of the vibrator 6 and the elasticity provided by the sieving spring 4, and the sand automatically rolls down due to the inclined arrangement of the sieve plate device 5, so that the sieving effect is further improved.

In an alternative embodiment, the crushing device 2 is provided with a support plate 21, a motor 22, a rotating shaft 23 and a crushing tooth device 24, wherein the motor 22 is fixed on one side of the surface of the support plate 21, the rotating shaft 23 is fixedly connected with an output shaft of the motor 22 through a coupler, the rotating shaft 23 is rotatably connected with the top of the machine body 1, and the crushing tooth device 24 is fixed on the surface of the rotating shaft 23 and is positioned in the inner position of the machine body 1.

It should be noted that, through the supporting plate 21, the motor 22, the rotating shaft 23 and the crushing tooth device 24, the moist sand lump can be automatically crushed, and meanwhile, due to the fact that the crushing tooth device 24 is vertically staggered, crushing is rapid and uniform, time and labor are saved, and working efficiency is high.

In an alternative embodiment, the crushing tooth device 24 is provided with a crushing rod 241, a circular arc concave surface 242, a circular arc groove 243, and a centrifugal driving device 244, wherein the circular arc concave surface 242 is opened at two corresponding sides of the surface of the crushing rod 241, the circular arc groove 243 is opened at the surface of the crushing rod 241 and is positioned at the position of the circular arc concave surface 242, and the centrifugal driving device 244 is arranged at the inner part of the crushing rod 241.

It should be noted that, through the crushing rod 241 and the centrifugal driving device 244, multi-directional simultaneous crushing can be performed, so that rapid crushing can be performed in unit time, the crushing efficiency is high, the crushing effect is improved, the arc concave surface 242 and the arc groove 243 can reduce the stress area of the crushing rod 241 through the arc concave surface 242 and the arc groove 243, further the resistance of sand grains is reduced, the crushing efficiency is indirectly improved, so that the crushing tooth device 24 does not need large power when rotating, and the long-term use of the motor 22 is facilitated.

In an alternative embodiment, the centrifugal drive 244 is provided with a spool 2441, a weighted ball 2442, a ratchet knife 2443, the crushing device comprises a circular arc return spring 2444, a ball 2445 and a linear return spring 2446, wherein the balance weight ball 2442 is fixedly connected with one end of a sliding column 2441 through a sliding rod, the balance weight ball 2442 is positioned at the end part of a crushing rod 241, a ratchet knife 2443 is rotatably connected with the surface of the crushing rod 241, the circular arc return spring 2444 is fixed between the end part of the surface of the ratchet knife 2443 and two corresponding sides inside the sliding column 2441, the ball 2445 is arranged at the end part of the ratchet knife 2443 and is in rolling connection with the inside of the sliding column 2441, the linear return spring 2446 is fixed between the end part of the sliding column 2441 and two corresponding sides of the inner wall of the crushing rod 241, the surface of the crushing rod 241 is provided with notches matched with the rotation of the ratchet knife 2443, the ratchet knives 2443 are uniformly distributed on the surface of the crushing rod 241, and the inside of the sliding.

It should be noted that the ratchet knife 2443, the arc return spring 2444, the ball 2445 and the linear return spring 2446 can longitudinally cut the sand mass through the ratchet knife 2443 to rapidly cut the sand mass, thereby facilitating subsequent screening, the arc reset spring 2444 can provide elastic force to reset the ratchet knife 2443 in time, reducing the whole volume, the ball 2445 can roll to reduce friction force, facilitating the ratchet knife 2443 to be under the action of centrifugal force, the counterweight ball 2442, the sliding column 2441 and the linear return spring 2446, the counterweight ball 2442 and the sliding column 2441 provide self gravity, are convenient to deviate under the action of centrifugal force, and the ratchet knife 2443 is lifted to facilitate the splitting of the sand cluster, and the linear return spring 2446 can provide pulling force to pull and return the sliding column 2441, so that the ratchet knife 2443 is returned.

In an alternative embodiment, the ratchet knife 2443 includes a ratchet knife body 24431, a knife edge arc 24432, and a tip protrusion 24433, the knife edge arc 24432 opens on both sides of the surface of the ratchet knife body 24431, and the tip protrusion 24433 is disposed on the surface of the ratchet knife body 24431 at the position of the knife edge arc 24432.

It should be noted that, through ratchet sword body 24431, cutting edge cambered surface 24432, tip arch 24433, can reduce the stress area of ratchet sword body 24431 through cutting edge cambered surface 24432 for ratchet sword 2443 is sharper, improves and cuts up efficiency, through tip arch 24433 evenly distributed on ratchet sword body 24431's surface, multiplicable contact point, and then increased the contact point, conveniently cut open the sand ball, improved work efficiency.

In an alternative embodiment, the screen plate device 5 is provided with a screen plate body 51, screen holes 52, a fan-shaped rotating wheel 53, a rotating device 54, an arc compression spring 55, a slope ejector rod 56, the screen holes 52 are arranged on the surface of the screen plate body 51, the fan-shaped rotating wheel 53 is rotatably connected inside the screen plate body 51 and located at the positions of the screen holes 52, the rotating device 54 is fixed on the surface of the fan-shaped rotating wheel 53, the arc compression spring 55 is fixed between two sides of the inside of the screen plate body 51 corresponding to the rotating device 54, the slope ejector rod 56 is arranged at the bottom of the fan-shaped rotating wheel 53, the end of the slope ejector rod 56 is fixedly connected with the inner wall of the machine body 1, an arc hole matched with the rotating device 54 is formed in the inside of the screen plate body 51.

It should be noted that, through sieve plate body 51, sieve pore 52, fan-shaped runner 53, rotating device 54, circular arc compression spring 55, inclined plane ejector pin 56, move downwards through sieve plate body 51, make inclined plane ejector pin 56 carry out the top to fan-shaped runner 53 and move, fan-shaped runner 53, rotating device 54 can be in sieve pore 52 department reciprocating rotation, stir the sand in the sieve pore 52, and then prevent to block up, the improvement is to the filtration efficiency of sand, can provide elasticity through circular arc compression spring 55, can make rotating device 54 in time reset, be convenient for filter the sand, the filter effect has been improved.

In an alternative embodiment, the rotating device 54 is provided with an arc rotary knife 541, an arc rotary knife edge 542 and a puncture 543, the arc rotary knife edge 542 is disposed at two corresponding sides of the surface of the arc rotary knife 541, and the puncture 543 is fixed at the bottom of the arc rotary knife 541 and near the arc rotary knife edge 542.

It should be noted that, through circular arc rotary cutter 541, circular arc rotary cutter edge 542, puncture 543, through circular arc rotary cutter edge 542, the lifting surface area of circular arc rotary cutter 541 can be reduced, make circular arc rotary cutter 541 sharper, further avoid the condition that the sand blockked up, puncture 543 can carry out the top thorn to the sand in sieve mesh 52, can avoid piling up the moist sand that glues together in the sieve mesh 52, and then realized avoiding the condition that moist sand blockked up, adaptable dry sand, also can adapt to moist sand, therefore, the high adaptability is strong, the limitation is reduced.

When in use, the vibrator (6) and the motor (22) are simultaneously opened, sand to be filtered is poured into the machine body (1) from the feeding hopper, the crushing device 2 can crush wet sand clusters to avoid sand cluster accumulation, the sieve plate device 5 can be suitable for filtering dry sand and wet sand, the adaptability is strong, the limitation is reduced, the blockage is avoided, the filtering efficiency is high, the service performance is improved, meanwhile, through the vibration of the vibrator 6 and the elastic force provided by the sieving spring 4, the sieve plate device 5 can be used for reciprocating sieving up and down, and because the sieve plate device 5 is obliquely arranged, the sand automatically rolls down, the sieving effect is further improved, the sand clusters can be longitudinally cut through the ratchet 2443 to rapidly cut the sand clusters to facilitate subsequent sieving, the arc reset spring 2444 can provide elastic force to timely reset the ratchet 2443, the integral volume is reduced, the ball 2445 can roll to reduce the friction force, the ratchet knife 2443 can conveniently and quickly rotate under the action of centrifugal force to avoid the situation of unsmooth jamming, the counterweight ball 2442, the sliding column 2441 and the linear reset spring 2446 provide self gravity through the arrangement of the counterweight ball 2442 and the sliding column 2441 to facilitate deviation under the action of the centrifugal force, the ratchet knife 2443 is lifted to facilitate splitting of a sand ball, the linear reset spring 2446 can provide pulling force to pull the sliding column 2441 to reset, the ratchet knife 2443 is reset, the sieve plate body 51 moves downwards to enable the inclined plane ejector rod 56 to eject the sector rotating wheel 53, the sector rotating wheel 53 and the rotating device 54 can rotate in a reciprocating mode at the sieve holes 52 to stir sand in the sieve holes 52 to prevent blockage, the filtering efficiency of the sand is improved, the circular arc compression spring 55 can provide elasticity, the rotating device 54 can be reset in time, sand can be conveniently filtered, and the filtering effect is improved.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A building sand filtration equipment, includes organism (1), its characterized in that: organism (1) is equipped with breaker (2), slider (3), sieve move spring (4), sieve device (5), vibrator (6), breaker (2) set up top one side at organism (1), slider (3) set up in the inside both sides of organism (1) and with organism (1) between sliding connection, sieve move spring (4) fix between the both sides that slider (3) bottom and organism (1) part correspond, sieve device (5) are fixed in slider (3) one end of keeping away from organism (1) inner wall, sieve device (5) slope sets up, vibrator (6) are fixed in sieve device (5) bottom and are close to the position of slider (3).

2. The construction sand filtration device of claim 1, wherein: crushing device (2) are equipped with backup pad (21), motor (22), axis of rotation (23), broken tooth device (24), surface one side in backup pad (21) is fixed in motor (22), output shaft fixed connection of axis of rotation (23) through shaft coupling and motor (22), rotate between the top of axis of rotation (23) and organism (1) and be connected, broken tooth device (24) are fixed on the surface of axis of rotation (23) and are located the inside position of organism (1).

3. The construction sand filtration device of claim 2, wherein: the crushing tooth device (24) is provided with a crushing rod (241), arc concave surfaces (242), arc grooves (243) and a centrifugal driving device (244), wherein the arc concave surfaces (242) are arranged on two sides corresponding to the surface of the crushing rod (241), the arc grooves (243) are arranged on the surface of the crushing rod (241) and are located on the positions of the arc concave surfaces (242), and the centrifugal driving device (244) is arranged inside the crushing rod (241).

4. A construction sand filtration device according to claim 3, wherein: the centrifugal driving device (244) is provided with a sliding column (2441), a balance weight ball (2442), a ratchet knife (2443), a circular arc return spring (2444), a ball (2445) and a linear return spring (2446), wherein the balance weight ball (2442) is fixedly connected with one end of the sliding column (2441) through a sliding rod, the balance weight ball (2442) is positioned at the end part of a crushing rod (241), the ratchet knife (2443) is rotationally connected with the surface of the crushing rod (241), the circular arc return spring (2444) is fixed between the surface end part of the ratchet knife (2443) and two corresponding sides inside the sliding column (2441), the ball (2445) is arranged at the end part of the ratchet knife (2443) and is in rolling connection with the inside of the sliding column (2441), and the linear return spring (2446) is fixed between the end part of the sliding column (2441) and two corresponding sides of the inner wall of the crushing rod (241).

5. The construction sand filtration device of claim 4, wherein: the surface of the crushing rod (241) is provided with a notch matched with the rotation of the ratchet cutter (2443), the ratchet cutter (2443) is uniformly distributed on the surface of the crushing rod (241), and the inside of the sliding column (2441) is provided with an arc hole matched with the arc return spring (2444).

6. The construction sand filtration device of claim 4, wherein: the ratchet knife (2443) comprises a ratchet knife body (24431), a knife edge cambered surface (24432) and a tip protrusion (24433), wherein the knife edge cambered surface (24432) is arranged on two corresponding sides of the surface of the ratchet knife body (24431), and the tip protrusion (24433) is arranged on the surface of the ratchet knife body (24431) and located at the position of the knife edge cambered surface (24432).

7. The construction sand filtration device of claim 1, wherein: the sieve plate device (5) is provided with a sieve plate body (51), sieve holes (52), a fan-shaped rotating wheel (53), a rotating device (54), an arc compression spring (55) and an inclined plane ejector rod (56), the sieve holes (52) are formed in the surface of the sieve plate body (51), the fan-shaped rotating wheel (53) is rotatably connected to the inside of the sieve plate body (51) and located at the positions of the sieve holes (52), the rotating device (54) is fixed to the surface of the fan-shaped rotating wheel (53), the arc compression spring (55) is fixed between the two corresponding sides of the inside of the sieve plate body (51) and the rotating device (54), the inclined plane ejector rod (56) is arranged at the bottom of the fan-shaped rotating wheel (53), and the end of the inclined plane ejector rod (56) is fixedly connected with the inner wall.

8. The construction sand filtration device of claim 7, wherein: the sieve plate is characterized in that an arc hole matched with the rotating device (54) is formed in the sieve plate body (51), and a guide inclined plane matched with the inclined plane ejector rod (56) is formed in the bottom of the fan-shaped rotating wheel (53).

9. The construction sand filtration device of claim 7, wherein: the rotating device (54) is provided with an arc rotary knife (541), an arc rotary knife edge (542) and a puncture (543), the arc rotary knife edge (542) is arranged on two sides corresponding to the surface of the arc rotary knife (541), and the puncture (543) is fixed at the bottom of the arc rotary knife (541) and close to the position of the arc rotary knife edge (542).