CN112354856A

CN112354856A - Screening sand device for construction

Info

Publication number: CN112354856A
Application number: CN202011126857.XA
Authority: CN
Inventors: 吕细明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-02-12

Abstract

The invention discloses a sand screening device for building construction, which comprises a bottom plate, wherein fixed frames are fixedly arranged on two sides of the upper end of the bottom plate, sliding grooves are formed in side walls of two sides in the fixed frames, telescopic rods are fixedly arranged at the upper end and the lower end in the fixed frames, a sliding block is fixedly arranged at one end, away from the side wall of the inner side of the fixed frame, of each telescopic rod, each sliding block is movably clamped between the sliding grooves, a screening mechanism is arranged between the sliding blocks and comprises a transmission rod, a fixed rod, a screening barrel, a connecting rod, a balancing weight, a first driven belt pulley and a second driven belt pulley, the transmission rod is movably arranged between the sliding blocks through a bearing, the fixed rod is fixedly arranged in the middle of the surface of the transmission rod. The sand sieving device has good use effect, and can automatically drive the sieve barrel to vibrate up and down at high frequency when the sieve barrel rotates to sieve sand, so that the sand sieving effect of the device can be improved.

Description

Screening sand device for construction

Technical Field

The invention relates to the technical field of building construction, in particular to a sand screening device for building construction.

Background

The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place. The method comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like.

And its screening sand machine is one of indispensable device when the building construction, and the cylinder screening sand machine that uses at present generally can install vibrating motor in order to drive the whole vibrations that shakes of device for the screening effect that improves the device, but only need drive the cylinder vibrations during the screening sand can, if vibrating motor need drive whole device vibrations, not only need great power still produce great noise and damage other parts of device easily, especially parts such as fixed screw, motor.

Disclosure of Invention

The invention aims to provide a sand screening device for building construction, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a sand screening device for building construction comprises a bottom plate, wherein fixed frames are fixedly arranged on two sides of the upper end of the bottom plate, sliding grooves are formed in side walls of two sides in the fixed frames, telescopic rods are fixedly arranged at the upper end and the lower end in the fixed frames, a sliding block is fixedly arranged at one end, away from the side wall of the inner side of the fixed frame, of each telescopic rod, each sliding block is movably clamped between the sliding grooves, a screening mechanism is arranged between the sliding blocks and comprises a transmission rod, a fixed rod, a screening barrel, a connecting rod, a balancing weight, a first driven belt pulley and a second driven belt pulley, the transmission rod is movably arranged between the sliding blocks through a bearing, the fixed rod is fixedly arranged in the middle of the surface of the transmission rod, the screening barrel is fixedly arranged at one end, away, the utility model discloses a fixed bearing of connecting rod, including connecting rod, drive rod, fixed drive rod, connecting rod, fixed drive rod, fixed driven pulley, the connecting rod is provided with a plurality of balancing weights in the surface outside, the fixed one end that is provided with first driven pulley of drive rod one end the connecting rod is close to first driven pulley extends to the drive rod outside, the connecting rod is close to the fixed second driven pulley that is provided with of one end of first driven pulley, one side that the bottom plate upper end is close to first driven pulley is provided with the motor through the mount pad is fixed, the output shaft end of motor is provided with driving pulley, right side through the shaft coupling is fixed be provided with first mounting panel in fixed frame one side, first mounting panel surface is provided with first.

Preferably, first tensioning mechanism includes first fixed belt pulley, first rotation pole, first tensioning belt pulley, first mounting panel surface is provided with first fixed belt pulley through the pivot activity in first driven pulley one side, first mounting panel surface is provided with first rotation pole through the pivot activity at first fixed belt pulley lower extreme, first rotation pole one end is provided with first tensioning belt pulley through the pivot activity, the cover is equipped with first driving belt between driving pulley, first fixed belt pulley, first tensioning belt pulley and the first driven belt pulley, first rotation pole place pivot is provided with the torsional spring, can keep the tensioning of first driving belt all the time when the transfer line reciprocates through first straining device, can drive first rotation pole clockwise rotation simultaneously through the torsional spring.

Preferably, second straining device includes second fixed pulley, second dwang, second tensioning pulley, second mounting panel surface is provided with the fixed pulley of second through the pivot activity in two sides of second driven pulley, second mounting panel surface is provided with the second dwang through the pivot activity at the fixed pulley lower extreme of second, second dwang one end is provided with second tensioning pulley through the pivot activity, the cover is equipped with second driving belt between driving pulley, the fixed pulley of second, second tensioning pulley and the second driven pulley, second dwang place pivot is provided with the torsional spring, can remain the tensioning of second driving belt all the time when the connecting rod reciprocates through second straining device, can drive the clockwise rotation of second dwang simultaneously through the torsional spring.

Preferably, the fixed baffle that is provided with in one side that the sieve bucket is close to the motor, baffle outside surface is provided with the door plant through the screw fixation, blocks great gravel that can't pass through the sieve bucket through the baffle, and can unpack the door plant apart when needs are given off the inside great gravel of sieve bucket.

Preferably, the inside single even fixed a plurality of iron plates that are provided with down of sieve bucket, the inside fixed magnet that is provided with of sieve bucket lateral wall can be smashed the gravel that can't pass through the sieve bucket down along with the sieve bucket removes certain height through the magnet absorption iron plate.

Preferably, the telescopic rod is internally provided with springs, and the sliding blocks can be pushed to reset through the springs.

Preferably, the bottom plate surface has been seted up logical groove at the sieve bucket lower extreme, bottom plate lower extreme surface four corners department all fixedly is provided with the stand, the fixed guide board that is provided with between the stand upper end, through leading to the groove can conveniently sieve the sand whereabouts, can conveniently guide the sand that sieves out through the guide board.

Preferably, the upper end of the bottom plate is fixedly provided with a protective shell outside the motor, and the protective shell can play a role in protecting the motor and the transmission mechanism of the device.

Compared with the prior art, the invention has the beneficial effects that:

1. the sand screening device can enable the transmission rod and the screening barrel to rotate at a lower rotating speed to screen sand under the driving of the motor, enable the connecting rod and the balancing weight to rotate at a higher rotating speed to enable the screening barrel to vibrate up and down at a high frequency, and enable gravel on the surface of the screening barrel to vibrate at a high speed so as to improve the screening effect of the device, and the vibration of the device drives the screening barrel to vibrate more, and the vibration screening effect is better.

2. When the screen barrel vibrates, the telescopic rod and the spring can play a good damping effect, so that other positions of the screen barrel cannot vibrate together, vibration noise can be reduced, required motor power cannot be reduced, and other devices cannot be damaged due to vibration.

3. According to the invention, when the screen barrel moves up and down, the first driven belt pulley and the second driven belt pulley can be naturally and continuously moved up and down, and at the moment, the first tensioning mechanism and the second tensioning mechanism can drive the first transmission belt and the second transmission belt to be tensioned with the first driven belt pulley and the second driven belt pulley all the time, and the first driven belt pulley and the second driven belt pulley are not prevented from moving up and down.

4. When the sand screening machine is used, large sand which cannot pass through pores of the screening barrel moves to the bottom of the right bottom of the screening barrel along with the inclined screening barrel and is piled together, at the moment, an iron block in the screening barrel can move to a certain height along with the rotation of the screening barrel and is smashed, gravel which cannot pass through the screening barrel can be smashed, and therefore the gravel becomes smaller gravel for use, and the iron block is in contact with the sand in the moving process, a squeezing and grinding channel is formed in the moving path, and the screening of the sand is accelerated.

Drawings

FIG. 1 is a schematic view of the overall structure of a sand screening device for building construction according to the present invention;

FIG. 2 is a left side view of a sand screening device for construction according to the present invention;

FIG. 3 is a right side view of a sand screening device for construction according to the present invention;

fig. 4 is an overall structural view of a second tension mechanism of a sand sieving device for building construction according to the present invention.

In the figure: 1. a base plate; 2. a fixed frame; 3. a chute; 4. a telescopic rod; 5. a slider; 6. a transmission rod; 7. fixing the rod; 8. a screen barrel; 9. a connecting rod; 10. a balancing weight; 11. a first driven pulley; 12. a second driven pulley; 13. an electric motor; 14. a drive pulley; 15. a first mounting plate; 16. a second mounting plate; 17. a first fixed pulley; 18. a first rotating lever; 19. a first tensioning pulley; 20. a second fixed pulley; 21. a first drive belt; 22. a second rotating lever; 23. a second tensioning pulley; 24. a second drive belt; 25. a baffle plate; 26. a door panel; 27. an iron block; 28. a through groove; 29. a column; 30. a guide plate; 31. and protecting the shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a sand screening device for building construction comprises a bottom plate 1, wherein both sides of the upper end of the bottom plate 1 are fixedly provided with fixed frames 2, both side walls of the inner part of each fixed frame 2 are respectively provided with a sliding groove 3, both the upper end and the lower end of the inner part of each fixed frame 2 are respectively and fixedly provided with a telescopic rod 4, one end of each telescopic rod 4 far away from the inner side wall of each fixed frame 2 is fixedly provided with a sliding block 5, each sliding block 5 is movably clamped between the sliding grooves 3, a screening mechanism is arranged between the sliding blocks 5 and comprises a transmission rod 6, a fixed rod 7, a screening barrel 8, a connecting rod 9, a balancing weight 10, a first driven belt pulley 11 and a second driven belt pulley 12, the transmission rod 6 is movably arranged between the sliding blocks 5 through a bearing, the middle part of the surface of the transmission rod 6 is fixedly provided with, the middle part of the inner side of the transmission rod 6 is movably provided with a connecting rod 9 through a bearing, the surface of the outer side of the connecting rod 9 is uniformly and fixedly provided with a plurality of balancing weights 10, one end of the transmission rod 6 is fixedly provided with a first driven belt pulley 11, one end of the connecting rod 9 close to the first driven belt pulley 11 extends to the outer side of the transmission rod 6, one end of the connecting rod 9 close to the first driven belt pulley 11 is fixedly provided with a second driven belt pulley 12, one side of the upper end of the bottom plate 1 close to the first driven belt pulley 11 is fixedly provided with a motor 13 through a mounting seat, the output shaft end of the motor 13 is fixedly provided with a driving belt pulley 14 through a shaft coupling, one side of the fixed frame 2 at the right side is fixedly provided with a first mounting plate 15, the surface of the first mounting, the surface of the second mounting plate 16 is provided with a second tensioning mechanism.

The first tensioning mechanism comprises a first fixed belt pulley 17, a first rotating rod 18 and a first tensioning belt pulley 19, wherein the first fixed belt pulley 17 is movably arranged on one side of a first driven belt pulley 11 on the surface of a first mounting plate 15, the first rotating rod 18 is movably arranged at the lower end of the first fixed belt pulley 17 on the surface of the first mounting plate 15 through a rotating shaft, the first tensioning belt pulley 19 is movably arranged at one end of the first rotating rod 18 through the rotating shaft, a first transmission belt 21 is sleeved between the driving belt pulley 14, the first fixed belt pulley 17, the first tensioning belt pulley 19 and the first driven belt pulley 11, a torsion spring is arranged in the rotating shaft of the first rotating rod 18, the first tensioning mechanism can always keep the tension of the first transmission belt 21 when the driving rod 6 moves up and down, and can drive the first rotating rod 18 to rotate clockwise through the torsion spring simultaneously, the second tensioning mechanism comprises a second fixed belt pulley 20, a second rotating rod 22 and a second tensioning belt pulley 23, the surface of the second mounting plate 16 is provided with the second fixed belt pulley 20 through the rotation shaft activity on two sides of the second driven belt pulley 12, the surface of the second mounting plate 16 is provided with the second rotating rod 22 through the rotation shaft activity on the lower end of the second fixed belt pulley 20, one end of the second rotating rod 22 is provided with the second tensioning belt pulley 23 through the rotation shaft activity, a second transmission belt 24 is sleeved between the driving belt pulley 14, the second fixed belt pulley 20, the second tensioning belt pulley 23 and the second driven belt pulley 12, the rotating shaft where the second rotating rod 22 is located is provided with a torsion spring, the second tensioning mechanism can always keep the tensioning of the second transmission belt 24 when the connecting rod 9 moves up and down, and can drive the second rotating rod 22 to rotate clockwise through the torsion spring simultaneously, a baffle 25 is fixedly arranged on one side of the sieve barrel 8 close to the motor 13, a door plate 26 is fixedly arranged on the outer side surface of the baffle 25 through screws, the baffle 25 blocks large gravel which cannot pass through the sieve barrel 8, the door plate 26 can be disassembled when the large gravel in the sieve barrel 8 needs to be discharged, a plurality of iron blocks 27 are uniformly and fixedly arranged in the sieve barrel 8, magnets are fixedly arranged in the side wall of the sieve barrel 8, the iron blocks 27 are adsorbed by the magnets and move to a certain height along with the rotation of the sieve barrel 8 so as to crush the gravel which cannot pass through the sieve barrel 8, springs are arranged in the telescopic rods 4, the slide blocks 5 can be pushed to reset through the springs, through grooves 28 are formed in the lower end of the sieve barrel 8 on the surface of the bottom plate 1, stand columns 29 are fixedly arranged at four corners of the lower end surface of the bottom plate 1, and guide plates 30 are fixedly arranged, the screened sand can be conveniently guided out through the guide plate 30, the upper end of the bottom plate 1 is fixedly provided with a protective shell 31 outside the motor 13, and the protective shell 31 can play a role in protecting the motor 13 and a transmission mechanism of the device.

The working principle is as follows: when the device is used, sand to be screened is filled from the left side of the screen barrel 8, then the motor 13 is turned on, when the motor 13 rotates, the first driven belt pulley 11 and the second driven belt pulley 12 are respectively driven to rotate by the driving wheel, the first driving belt 21 and the second driving belt 24, so that the driving rod 6 and the connecting rod 9 can simultaneously rotate, but the diameter of the first driven belt pulley 11 is larger than that of the driving wheel, so that the driving wheel drives the first driven belt pulley 11 to rotate in a decelerating manner, the diameter of the second driven belt pulley 12 is smaller than that of the driving wheel, so that the driving wheel drives the second driven belt pulley 12 to rotate in an accelerating manner, so that the driving rod 6 and the screen barrel 8 can rotate at a lower rotating speed to screen sand under the driving of the motor 13, and the connecting rod 9 and the balancing weight 10 can rotate at a higher rotating speed to enable the screen barrel 8, so that the gravel on the surface of the screen barrel 8 can vibrate at a high speed to improve the screening effect of the device, and the screen barrel 8 can play a good damping effect through the telescopic rod 4 and the spring when vibrating so that other positions of the device cannot vibrate together, thereby reducing the power of the motor 13 required by vibration noise and avoiding damaging other devices due to vibration, and naturally enabling the first driven pulley 11 and the second driven pulley 12 to move up and down continuously when the screen barrel 8 moves up and down, and enabling the first driven pulley 11, the driving pulley 14 and the first fixed pulley 17 to increase the distance therebetween when the first driven pulley 11 moves up, at the moment, the power of the first driven pulley 11 moving up to drive the first transmission belt 21 can drive the rotating rod and the first extrusion pulley to rotate counterclockwise around the rotating shaft, so that the first transmission belt 21 with a certain length can be discharged, the first driven pulley 11 is convenient to move upwards, when the first driven pulley 11 moves downwards, the distance between the first driven pulley 11, the driving pulley 14 and the first fixed pulley 17 is reduced to loosen the belt, at the moment, the rotating rod and the first extrusion pulley can rotate clockwise under the action of the torsion spring, so that the loosened first transmission belt 21 is tensioned, the first transmission belt 21 can be always tensioned no matter the first driven pulley 11 moves upwards or downwards during vibration, the second driven pulley 12 is also the same, when the device is used, large sand which cannot pass through the holes of the sieve barrel 8 can move to the lower right bottom of the sieve barrel 8 along with the inclined sieve barrel 8 and is stacked together, at the moment, the iron block 27 in the sieve barrel 8 is adsorbed by the magnet and can rotate along with the sieve barrel 8, when the sand moves to the position near the highest position of the sieve barrel 8, at the moment, the magnetic force and the centrifugal force during rotation of the sieve barrel 8 are smaller than the self gravity of the iron block 27, so the iron block 27 can be smashed at a certain height, so the gravel which can not pass through the sieving barrel 8 can be smashed, thereby the gravel becomes fine gravel for use, in the moving process, the iron block 27 is contacted with the sand, a squeezing grinding channel is formed in the moving path, the sieving of the sand is accelerated, finally, the gravel which can not be smashed can be released by opening the door plate 26 after the sieving work is finished, and the working principle of the sand sieving device for building construction is provided.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a screening sand device for construction, includes bottom plate (1), its characterized in that: the device is characterized in that fixed frames (2) are fixedly arranged on two sides of the upper end of the bottom plate (1), sliding grooves (3) are formed in side walls of two sides of the inner part of each fixed frame (2), telescopic rods (4) are fixedly arranged on the upper end and the lower end of the inner part of each fixed frame (2), a sliding block (5) is fixedly arranged at one end, far away from the side wall of the inner side of each fixed frame (2), of each telescopic rod (4), each sliding block (5) is movably clamped between the corresponding sliding grooves (3), a screening mechanism is arranged between the corresponding sliding blocks (5), each screening mechanism comprises a transmission rod (6), a fixed rod (7), a screening barrel (8), a connecting rod (9), a balancing weight (10), a first driven belt pulley (11) and a second driven belt pulley (12), a transmission rod (6) is movably arranged between the corresponding sliding, the sieve barrel (8) is fixedly arranged at one end, far away from the transmission rod (6), of the fixing rod (7), a connecting rod (9) is movably arranged in the middle of the inner side of the transmission rod (6) through a bearing, a plurality of balancing weights (10) are uniformly and fixedly arranged on the surface of the outer side of the connecting rod (9), a first driven belt pulley (11) is fixedly arranged at one end of the transmission rod (6), one end, close to the first driven belt pulley (11), of the connecting rod (9) extends to the outer side of the transmission rod (6), a second driven belt pulley (12) is fixedly arranged at one end, close to the first driven belt pulley (11), of the connecting rod (9), a motor (13) is fixedly arranged at one side, close to the first driven belt pulley (11), of the upper end of the bottom plate (1) through a mounting, the right side fixed frame (2) one side is fixed and is provided with first mounting panel (15), first mounting panel (15) surface is provided with first straining device, bottom plate (1) upper end is provided with second mounting panel (16) in motor (13) one side, second mounting panel (16) surface is provided with second straining device.

2. The sand screening device for building construction according to claim 1, wherein: first tensioning mechanism includes first fixed belt pulley (17), first pivot pole (18), first tension pulley (19), first mounting panel (15) surface is provided with first fixed belt pulley (17) through the pivot activity in first driven pulley (11) one side, first mounting panel (15) surface is provided with first pivot pole (18) through the pivot activity at first fixed belt pulley (17) lower extreme, first pivot pole (18) one end is provided with first tension pulley (19) through the pivot activity, the cover is equipped with first drive belt (21) between drive pulley (14), first fixed belt pulley (17), first tension pulley (19) and first driven pulley (11), first pivot pole (18) place pivot is provided with the torsional spring.

3. The sand screening device for building construction according to claim 1, wherein: second straining device includes second fixed pulley (20), second dwang (22), second tensioning pulley (23), second mounting panel (16) surface is provided with second fixed pulley (20) through the pivot activity in second driven pulley (12) both sides, second mounting panel (16) surface is provided with second dwang (22) through the pivot activity at second fixed pulley (20) lower extreme, second dwang (22) one end is provided with second tensioning pulley (23) through the pivot activity, the cover is equipped with second driving belt (24) between driving pulley (14), second fixed pulley (20), second tensioning pulley (23) and second driven pulley (12), second dwang (22) place pivot is provided with the torsional spring.

4. The sand screening device for building construction according to claim 1, wherein: one side of the sieve barrel (8) close to the motor (13) is fixedly provided with a baffle plate (25), and the outer side surface of the baffle plate (25) is fixedly provided with a door plate (26) through screws.

5. The sand screening device for building construction according to claim 1, wherein: the sieve bucket (8) is inside to be singly evenly fixed down and to be provided with a plurality of iron plate (27), sieve bucket (8) lateral wall is inside to be fixed and to be provided with magnet.

6. The sand screening device for building construction according to claim 1, wherein: the telescopic rods (4) are internally provided with springs.

7. The sand screening device for building construction according to claim 1, wherein: the sieve drum is characterized in that a through groove (28) is formed in the lower end of the sieve drum (8) on the surface of the bottom plate (1), stand columns (29) are fixedly arranged at four corners of the surface of the lower end of the bottom plate (1), and guide plates (30) are fixedly arranged between the upper ends of the stand columns (29).

8. The sand screening device for building construction according to claim 1, wherein: and a protective shell (31) is fixedly arranged at the upper end of the bottom plate (1) on the outer side of the motor (13).