CN111515117A

CN111515117A - Screening sand device for building engineering

Info

Publication number: CN111515117A
Application number: CN202010378641.6A
Authority: CN
Inventors: 巴秀英
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-08-11

Abstract

The invention discloses a sand screening device for constructional engineering, which comprises a base, an installation frame and a feed hopper, wherein the installation frame is welded on the base; the screening assembly comprises a screening frame, a screening plate, a first discharging channel, a second discharging channel and a movable plate, the bottom of the movable plate is connected with a driving assembly for driving the movable plate to rock left and right, and the driving assembly comprises a sliding block, a push rod, a sliding groove, a guide rod, a motor and a connecting rod; and the intermittent blanking assembly comprises an auxiliary plate, a plugging plate, a pull rope, a through hole, a first limit roller, a second limit roller, a buffer spring and a telescopic rod, the motor drives the rotary disc to rotate by setting the screening assembly, the intermittent blanking assembly and the driving assembly, and then the connecting rod drives the push rod to move back and forth, so that the sliding block and the movable plate shake in a small range along the sliding groove, sand on the screen plate is screened with higher speed, and the screening efficiency is improved.

Description

Screening sand device for building engineering

Technical Field

The invention relates to the field of buildings, in particular to a sand screening device for constructional engineering.

Background

Architectonics, in its broadest sense, is a discipline that studies buildings and their environment. Architecture is a subject spanning both engineering and human arts. Architectural arts and construction techniques involved in architecture, and aesthetic and practical aspects included as architectural arts of practical arts, are clearly different but closely related, and their components are greatly different depending on the specific situation and the building. The method comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like. The site of the construction work is called a "construction site" or "job site", also called a worksite.

The sand screening machine is also called dry land sand screening boat and sand-stone separator, and is suitable for use in river, reservoir and coal yard. Screening sand machine is indispensable when the building construction, and current screening sand device efficiency is lower, appears the accumulational condition of sand easily, can not satisfy the user demand volume on the building site.

Disclosure of Invention

The invention aims to provide a sand screening device for constructional engineering, 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 constructional engineering comprises a base, a mounting frame and a feed hopper, wherein the mounting frame is welded on the base, the feed hopper is fixedly arranged above the mounting frame, and the sand screening device also comprises a screening component for screening sand;

the screening component comprises a screening frame, a screening plate, a first discharging channel, a second discharging channel and a movable plate, the screening frame is arranged on the movable plate, the screening plate is obliquely arranged in the screening frame, the side wall of the screening frame at one side of the low end is communicated with the first discharging channel, the second discharging channel is communicated with the side wall of the bottom of the screening frame, the bottom of the movable plate is connected with a driving component for driving the movable plate to swing left and right,

the driving assembly comprises sliding blocks, push rods, sliding grooves, guide rods, motors and connecting rods, the motors are fixedly arranged in the base, the output ends of the motors are provided with rotating discs, one ends of the connecting rods are eccentrically hinged to the rotating discs, the other ends of the connecting rods are hinged to one ends of the push rods, the other ends of the push rods are fixedly arranged on one of the sliding blocks, the lower ends of the two sliding blocks are slidably arranged in the two sliding grooves, the upper ends of the two sliding blocks are fixedly connected with the movable; and

intermittent type unloading subassembly, intermittent type unloading subassembly includes accessory plate, shutoff board, stay cord, through-hole, first spacing gyro wheel, the spacing gyro wheel of second, buffer spring and telescopic link, and the accessory plate symmetry is installed in the feeder hopper below, and the shutoff board activity runs through and installs first reset spring between two accessory plates and one end and the mounting bracket, and the other end and stay cord one end fixed connection, the stay cord other end are walked around first spacing gyro wheel fixed connection on the spacing gyro wheel of second, first spacing gyro wheel fixed mounting is on the mounting bracket, the spacing gyro wheel fixed mounting of second on the screening frame, buffer spring and telescopic link fixed mounting are between screening frame and fly leaf, the through-hole has been seted up at shutoff board middle part.

As a further scheme of the invention: and a stop block is arranged in the screening frame, and one side of the lower end of the stop block is opposite to the second discharge channel.

As a further scheme of the invention: and a guide rod arranged in parallel with the sliding groove is fixedly arranged in the sliding groove, and the guide rod movably penetrates through the sliding block.

As a further scheme of the invention: the base is fixedly provided with a positioning rod, and the push rod movably penetrates through the positioning plate.

As a further scheme of the invention: a plurality of slide rails are fixedly mounted on the movable plate, and the outer wall of the screening frame is provided with fixing rods corresponding to the slide rails and the fixing rods are arranged in the slide rails in a sliding mode.

As a further scheme of the invention: and a second return spring is arranged between the sliding block connected with the push rod and the mounting frame.

As a further scheme of the invention: broken roller set is installed to the feeder hopper internal rotation, and broken roller set is connected with crushing motor, crushing motor fixed mounting is outside the feeder hopper.

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

through the arrangement of the screening component and the driving component, the motor drives the rotary table to rotate, and then the connecting rod drives the push rod to reciprocate, so that the slide block and the movable plate shake in a small range along the sliding groove, sand on the screen plate is accelerated to be screened, small-particle sand falls from the screen plate and is discharged from the second material discharging channel, large-particle sand is left on the screen plate and is discharged from the first material discharging channel along with the shaking of the screening frame, and the screening efficiency is greatly improved;

through setting up intermittent type unloading subassembly, the weight of sand makes the screening frame descend along the telescopic link under the effect of gravity, and then the spacing gyro wheel of second area takes the stay cord to descend, under the effect of stay cord, the shutoff board removes to first spacing gyro wheel one side, thereby the feed opening of the feeder hopper that staggers of through-hole, stop to drop into the sand in the screening frame, constantly be screened and discharge along with the sand on the sieve, under buffer spring and first reset spring's effect, the screening frame rises, the shutoff board resets, and then the feeder hopper drops into the sand in the screening frame once more, the screening effect has further been improved.

The practicality is further improved by pre-crushing the sand in the feed hopper.

Drawings

Fig. 1 is a schematic structural view of a sand sieving device for construction engineering.

Fig. 2 is a schematic structural view of a driving assembly in a sand screening device for construction engineering.

Fig. 3 is a schematic structural view of a motor, a turntable and a connecting rod in the sand sieving device for construction engineering.

Fig. 4 is a schematic structural diagram of a slide rail and a fixing rod in the sand screening device for construction engineering.

Fig. 5 is a modified view of the feed hopper of the sand screening device for construction work.

In the figure: 1-base, 2-mounting frame, 3-screening frame, 4-feed hopper, 5-auxiliary plate, 6-blocking plate, 7-first reset spring, 8-pull rope, 9-through hole, 10-first limit roller, 11-second limit roller, 12-screen plate, 13-first discharge channel, 14-second discharge channel, 15-stop block, 16-fixed rod, 17-slide rail, 18-buffer spring, 19-movable plate, 20-slide block, 21-push rod, 22-positioning plate, 23-slide groove, 24-guide rod, 25-motor, 26-connecting rod, 27-rotary table, 28-telescopic rod, 29-second reset spring, 30-crushing roller set and 31-crushing motor.

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.

It should be noted that, if there is a directional indication (such as up, down, left, right, front, and back) in the embodiment of the present invention, it is only used to explain the relative position relationship between the components, the motion situation, and the like in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In addition, if the description of "first", "second", etc. is referred to in the present invention, it is used for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, a sand screening device for construction engineering comprises a base 1, an installation frame 2, a feed hopper 4, a screening component for screening sand, wherein the installation frame 2 is welded on the base 1, and the feed hopper 4 is fixedly arranged above the installation frame 2;

the specific type of the screening assembly is not limited, in this embodiment, preferably, the screening assembly includes a screening frame 3, a screening plate 12, a first discharging channel 13, a second discharging channel 14 and a movable plate 19, the screening frame 3 is mounted on the movable plate 19, the screening plate 12 is obliquely mounted in the screening frame 3, the side wall of the screening frame 3 on the lower end side is communicated with the first discharging channel 13, the second discharging channel 14 is communicated with the side wall of the bottom of the screening frame 3, the bottom of the movable plate 19 is connected with a driving assembly for driving the movable plate 19 to rock left and right,

the specific type of the driving assembly is not limited, in this embodiment, preferably, the driving assembly includes sliding blocks 20, a push rod 21, sliding grooves 23, a guide rod 24, a motor 25, and a connecting rod 26, the motor 25 is fixedly installed in the base 1, and the output end is provided with a turntable 27, one end of the connecting rod 26 is eccentrically hinged to the turntable 27, the other end is hinged to one end of the push rod 21, the other end of the push rod 21 is fixedly installed on one of the sliding blocks 20, the lower ends of the two sliding blocks 20 are slidably installed in the two sliding grooves 23, and the upper ends of the two sliding blocks 20 are fixedly connected to the movable; and

the intermittent blanking assembly is not limited in specific type, in the embodiment, preferably, the intermittent blanking assembly comprises auxiliary plates 5, blocking plates 6, pull ropes 8, through holes 9, first limiting idler wheels 10, second limiting idler wheels 11, buffer springs 18 and telescopic rods 28, the auxiliary plates 5 are symmetrically arranged below the feed hopper 4, the blocking plates 6 movably penetrate through the two auxiliary plates 5, a first reset spring 7 is arranged between one end of each blocking plate and the mounting frame 2, the other end of each blocking plate is fixedly connected with one end of each pull rope 8, the other end of each pull rope 8 is fixedly connected to the second limiting idler wheel 11 by bypassing the first limiting idler wheel 10, the first limiting idler wheel 10 is fixedly arranged on the mounting frame 2, the second limiting idler wheel 11 is fixedly arranged on the screening frame 3, the buffer spring 18 and the telescopic rod 28 are fixedly arranged between the screening frame 3 and the movable plate 19, and the middle part of the plugging plate 6 is provided with a through hole 9;

when sand screening is carried out, sand is poured into the feed hopper 4, the sand falls into the screening frame 3 from the through holes 9 on the plugging plate 6 and is accumulated on the screening plate 12, meanwhile, the motor 25 drives the rotating disc 27 to rotate, and then the push rod 21 is driven to move back and forth through the connecting rod 26, so that the sliding block 20 and the movable plate 19 shake in a small range along the sliding groove 23, the sand on the screening plate 12 is accelerated to be screened, small-particle sand falls from the screening plate 12 and is discharged from the second discharging channel 14, and large-particle sand is left on the screening plate 12 and is discharged from the first discharging channel 13 along with the shaking of the screening frame 4; if the sand on the sieve 12 is piled up in a large number when being difficult for the screening, the weight of sand makes screening frame 4 descend along telescopic link 28 under the effect of gravity, and then the spacing gyro wheel 11 of second takes stay cord 8 to descend, under the effect of stay cord 8, shutoff board 6 moves to first spacing gyro wheel 10 one side, thereby the feed opening of feeder hopper 4 is staggered to through-hole 9, stop to drop into the sand in screening frame 4, constantly be screened discharge along with the sand on the sieve 12, under buffer spring 18 and first reset spring 7's effect, screening frame 3 rises, shutoff board 6 resets, and then feeder hopper 4 drops into the sand in screening frame 4 once more.

Furthermore, in order to facilitate the discharge of small-particle sand, a stop block 15 is installed in the screening frame 4, and one side of the lower end of the stop block 15 corresponds to the second discharge channel 14, so that the sand is prevented from being accumulated at the bottom of the screening frame 4.

Furthermore, the sliding block 19 can only shake within a small range of amplitude, and the through hole 9 on the plugging plate 6 is not affected to be matched with the feeding hopper 4.

In order to improve stability, a guide rod 24 arranged in parallel with the sliding chute 23 is fixedly installed in the sliding chute 23, the guide rod 24 movably penetrates through the sliding block 20, and the sliding block 20 is enabled to reciprocate along the guide rod 24 by arranging the guide rod 24, so that the sliding block is prevented from being separated from the sliding chute 23.

In order to improve the stability of the slider push rod 21, a positioning rod is fixedly mounted on the base 1, and the push rod 21 movably penetrates through the positioning plate 22.

In order to improve the stability of the screening frame 4 during the lifting, a plurality of slide rails 17 are fixedly mounted on the movable plate 19, and the outer wall of the screening frame 4 is provided with fixing rods 16 corresponding to the slide rails 17 and the fixing rods 16 are slidably arranged in the slide rails 17.

Further, a second return spring 29 is disposed between the slide block 20 connected with the push rod 21 and the mounting frame 2.

The working principle of the invention is as follows:

Example 2

Referring to fig. 5, in order to improve the screening efficiency of sand, the embodiment is further improved on the basis of embodiment 1, and the improvement is that a crushing roller set 30 is rotatably installed in the feed hopper 4, the crushing roller set 30 is connected with a crushing motor 31, the crushing motor 31 is fixedly installed outside the feed hopper 4, and by crushing the sand in the feed hopper 4, the agglomerated sand is prevented from entering the screening frame 4, so that the screen plate 12 and the first discharging channel 13 are blocked, and the screening efficiency and the practicability are improved.

In conclusion, by arranging the screening assembly and the driving assembly, the motor 25 drives the rotary table 27 to rotate, and further drives the push rod 21 to reciprocate through the connecting rod 26, so that the sliding block 20 and the movable plate 19 shake in a small amplitude along the sliding groove 23, sand on the screening plate 12 is accelerated to be screened, small-particle sand falls from the screening plate 12 and is discharged from the second discharging channel 14, large-particle sand is left on the screening plate 12 and is discharged from the first discharging channel 13 along with the shaking of the screening frame 4, and the screening efficiency is greatly improved;

through setting up intermittent type unloading subassembly, the weight of sand makes screening frame 4 descend along telescopic link 28 under the effect of gravity, and then 11 take the stay cord 8 to descend of the spacing gyro wheel of second, under the effect of stay cord 8, shutoff board 6 removes to first spacing gyro wheel 10 one side, thereby the feed opening of feeder hopper 4 is stagger to through-hole 9, stop to drop into the sand in screening frame 4, constantly by screening discharge along with the sand on the sieve 12, under buffer spring 18 and first reset spring 7's effect, screening frame 3 rises, shutoff board 6 resets, and then feeder hopper 4 drops into the sand in screening frame 4 once more, further improved the screening effect.

The practicality is further improved by pre-crushing the sand in the feed hopper 4.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A sand screening device for constructional engineering comprises a base (1), an installation frame (2) and a feed hopper (4), wherein the installation frame (2) is welded on the base (1), and the feed hopper (4) is fixedly installed above the installation frame (2), and is characterized by further comprising a screening component for screening sand;

the screening component comprises a screening frame (3), a screening plate (12), a first discharging channel (13), a second discharging channel (14) and a movable plate (19), the screening frame (3) is arranged on the movable plate (19), the screening plate (12) is obliquely arranged in the screening frame (3), the side wall of the screening frame (3) on one side of the lower end is communicated with the first discharging channel (13), the second discharging channel (14) is communicated with the side wall of the bottom of the screening frame (3), the bottom of the movable plate (19) is connected with a driving component for driving the movable plate (19) to swing left and right,

the driving assembly comprises sliding blocks (20), push rods (21), sliding grooves (23), guide rods (24), a motor (25) and connecting rods (26), the motor (25) is fixedly installed in the base (1), the output end of the motor is provided with a turntable (27), one end of each connecting rod (26) is eccentrically hinged to the turntable (27), the other end of each connecting rod (26) is hinged to one end of each push rod (21), the other end of each push rod (21) is fixedly installed on one sliding block (20), the lower ends of the two sliding blocks (20) are slidably installed in the two sliding grooves (23), the upper ends of the two sliding blocks (20) are fixedly connected with the movable plate (19), and the sliding grooves (23; and

the intermittent blanking assembly comprises auxiliary plates (5), blocking plates (6), pull ropes (8), through holes (9), first limiting idler wheels (10), second limiting idler wheels (11), buffer springs (18) and telescopic rods (28), wherein the auxiliary plates (5) are symmetrically arranged below a feed hopper (4), the blocking plates (6) movably penetrate through the two auxiliary plates (5), a first reset spring (7) is arranged between one end of each auxiliary plate and an installation frame (2), the other end of each auxiliary plate is fixedly connected with one end of each pull rope (8), the other end of each pull rope (8) is fixedly connected to the corresponding second limiting idler wheel (11) by bypassing the corresponding first limiting idler wheel (10), the first limiting idler wheels (10) are fixedly arranged on the installation frames (2), the second limiting idler wheels (11) are fixedly arranged on the screening frames (3), the buffer springs (18) and the telescopic rods (28) are fixedly arranged between the screening frames (3) and the movable plates (19), the middle part of the plugging plate (6) is provided with a through hole (9).

2. The sand screening device for construction engineering according to claim 1, wherein a stopper (15) is installed in the screening frame (4), and one side of the lower end of the stopper (15) is opposite to the second discharge passage (14).

3. The sand screening device for the construction engineering according to claim 1, wherein a guide rod (24) arranged in parallel with the chute (23) is fixedly installed in the chute (23), and the guide rod (24) movably penetrates through the sliding block (20).

4. The sand screening device for the building engineering according to claim 1, wherein a positioning rod (22) is fixedly installed on the base (1), and the push rod (21) movably penetrates through the positioning plate (22).

5. The sand screening device for the building engineering as claimed in claim 1, wherein a plurality of sliding rails (17) are fixedly installed on the movable plate (19), fixing rods (16) corresponding to the sliding rails (17) are installed on the outer wall of the screening frame (4), and the fixing rods (16) are slidably arranged in the sliding rails (17).

6. The sand screening device for construction engineering according to claim 1, characterized in that a second return spring (29) is arranged between the slide (20) connected with the push rod (21) and the mounting frame (2).

7. The sand screening device for the building engineering as recited in any one of claims 1 to 6, wherein a crushing roller set (30) is rotatably mounted in the feed hopper (4), the crushing roller set (30) is connected with a crushing motor (31), and the crushing motor (31) is fixedly mounted outside the feed hopper (4).