CN217797352U

CN217797352U - A sieve sandbox for municipal administration bridge construction

Info

Publication number: CN217797352U
Application number: CN202222040708.2U
Authority: CN
Inventors: 王云浩; 林木森
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-11-15
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses a sieve sandbox for construction of municipal bridge relates to building construction equipment field. Above-mentioned a sieve sandbox for municipal bridge construction includes base and casing, sieve plate, pushes away the sand board, prevents stifled structure, sharp drive structure. The anti-blocking structure comprises two telescopic rods fixedly arranged at the top ends of the sand pushing plates, a spring movably sleeved on the outer side of each telescopic rod and a brush plate fixedly arranged between the top ends of the two telescopic rods; the brush of the brush plate is movably contacted with the lower surface of the screen plate. The linear driving structure pushes the sand plate to provide a driving force of a reciprocating straight line. The utility model discloses a sieve sand case for municipal bridge construction, through carrying out the displacement turnover to the sand that sieves, realize that the casing embeds the controllability of piling sand volume, so can reduce the manual turnover and divide the intensity of labour of sieving the sand; the screen mesh of the screen plate is used for reciprocating cleaning, so that the efficiency of continuously screening sand by the screen plate is effectively improved.

Description

A sieve sandbox for municipal administration bridge construction

Technical Field

The utility model relates to a building construction equipment field specifically is a sieve sandbox for construction of municipal bridge construction.

Background

In the process of municipal road construction, bridges are important components, and can meet the use of geographic crossing type traffic. In the process of bridge construction, a lot of building materials are needed, sand belongs to one of the building materials, and a sand screening box is often needed to screen the sand in order to conveniently remove impurities such as stones in the sand.

The conventional sand screening box mainly screens sand through a screen structure, during the process of screening sand through the screen, screening sand falls to sand accumulated below the screen, the accumulation area is limited, and the sand screened by the screening sand needs to be circulated for many times to vacate a sand collecting area below the screen, so that the labor intensity of manual sand screening is increased; meanwhile, in the process of screening sand by the screen, the holes of the screen are easily blocked by the sand, so that the sand screening efficiency is influenced.

In order to solve the problems, the utility model is provided by improving the device.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

a sand screening box for municipal bridge construction comprises a base and a shell arranged on the base;

the screening sandbox further comprises:

the screen plate is obliquely and fixedly connected to the inner wall of the shell; the bottom end of the shell is fixedly communicated with a feed hopper;

the sand pushing plate is arranged below the screen plate and is positioned at the bottom end of the inner wall of the shell; discharge ports are formed in the two sides of the shell, and the sand pushing plate is located between the two discharge ports;

the anti-blocking structure is arranged between the sand pushing plate and the screen plate; the anti-blocking structure comprises two telescopic rods fixedly arranged at the top ends of the sand pushing plates, a spring movably sleeved on the outer side of each telescopic rod and a brush plate fixedly arranged between the top ends of the two telescopic rods; the brush of the brush plate is movably contacted with the lower surface of the screen plate; and

and the linear driving structure provides a driving force of a reciprocating straight line for the sand pushing plate.

According to the sand screening box for municipal bridge construction, the controllability of the sand stacking amount in the shell is realized by performing displacement turnover on the screened sand, so that the labor intensity of manual turnover and sand screening can be reduced; the screen mesh of the screen plate is cleaned in a reciprocating way, so that the continuous sand screening efficiency of the screen plate is effectively improved.

As an optimized technical scheme of the utility model, the feeder hopper corresponds the top of sieve plate high-order.

As the utility model discloses a preferred technical scheme, the side fixed mounting of casing has impurity to collect the box, the side of casing corresponds the blanking mouth has been seted up to the inboard that the box was collected to the impurity, the blanking mouth corresponds one side of screen plate low-order.

As a preferred technical solution of the present invention, the linear driving structure includes a threaded sleeve fixedly penetrating through a side surface of the sand pushing plate, a screw rod having a thread penetrating through the threaded sleeve, and a driving motor coaxially fixedly connected to one end of the screw rod; the driving motor is fixedly arranged on the side surface of the shell.

As a preferred technical solution of the present invention, the linear driving structure further comprises two rubber sliding sleeves fixedly penetrating the side surfaces of the sand pushing plate and a smoothing rod penetrating and sliding each rubber sliding sleeve; and the two flat sliding rods are fixedly arranged on the inner wall of the shell.

As an optimal technical scheme of the utility model, the inner wall fixed mounting of casing has the sandboard that is anti-V-arrangement, the sandboard sets up directly over the screw rod.

The utility model has the advantages that:

1. the utility model discloses a set up the linear drive structure and push away the sand board, provide by the linear drive structure based on pushing away the reciprocal power of sand board straight line in the sieve plate below, push away the sand board and can carry out left and right side to the unloading district of sieve plate below and pass and have enough to meet the need to the casing outside to reduce the unloading district in the sand deposition volume for the purpose, realize the built-in controllability of piling sand volume of casing, the event can reduce artifical turnover and divide the intensity of labour of screening sand.

2. The utility model discloses, through set up the anti-blocking structure on the sand pushing plate that satisfies straight line reciprocating driving force, combine the setting of screen plate gradient, anti-blocking structure can carry out the reciprocal contact of brush along with the inclination of screen plate, realizes the clearance of screen plate mesh, satisfies the efficiency that screen plate sieves the sand in succession;

furthermore, reciprocating linear power for the sand pushing plate and the anti-blocking structure is respectively provided by the linear driving structure, so that the input cost of the driving device is effectively reduced, and the reciprocating linear power is practical.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a sand screening box for municipal bridge construction according to the present invention;

figure 2 is a cross-sectional view of figure 1 of the present invention;

fig. 3 is a schematic connection diagram of the sand pushing plate, the anti-blocking structure and the linear driving structure in fig. 2 according to the present invention;

fig. 4 is a schematic structural view of the sand guard of fig. 2 according to the present invention.

In the figure: 1. a base; 2. a housing; 3. a screen plate; 31. a feed hopper; 4. pushing a sand plate; 41. a discharge port; 5. an anti-blocking structure; 51. a telescopic rod; 52. a spring; 53. a brush plate; 6. a linear drive structure; 61. a drive motor; 62. a screw; 63. a threaded sleeve; 64. a flat sliding bar; 65. a rubber sliding sleeve; 7. an impurity collection box; 71. a blanking port; 8. keep off the sand board.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-4, the embodiment discloses a sand screening box for municipal bridge construction, which comprises a base 1 and a shell 2 arranged on the base 1.

Above-mentioned a sieve sandbox for municipal bridge construction still includes sieve otter board 3, pushes away husky board 4, prevents stifled structure 5 and linear drive structure 6.

The screen plate 3 is obliquely and fixedly connected with the inner wall of the shell 2; the bottom end of the shell 2 is fixedly communicated with a feed hopper 31; the hopper 31 is correspondingly arranged above the screen plate 3 at a high position. The impurity collecting box 7 is fixedly installed on the side surface of the shell 2, a blanking port 71 is formed in the side surface of the shell 2 corresponding to the inner side of the impurity collecting box 7, and the blanking port 71 corresponds to the lower side of the screen plate 3.

In this embodiment, the sand to be sieved is fed through the feeding hopper 31, the sand falling onto the sieve plate 3 with inclination can be sieved, the sand freely falls below the sieve plate 3, and impurities can be gathered in the impurity collecting box 7 through the blanking port 71 on the inclined surface of the sieve plate 3.

Referring to fig. 2-3, the sand pushing plate 4 is disposed below the screen plate 3 and at the bottom end of the inner wall of the housing 2; discharge ports 41 are formed in two sides of the shell 2, and the sand pushing plate 4 is located between the two discharge ports 41.

In this embodiment, the sand pushing plate 4 is used for pushing sand falling through the screen plate 3, and the discharge port 41 is used for providing a sand pushing passage, so that external sand accumulation is facilitated.

The anti-blocking structure 5 is arranged between the sand pushing plate 4 and the screen plate 3; the anti-blocking structure 5 comprises two telescopic rods 51 fixedly arranged at the top ends of the sand pushing plates 4, springs 52 movably sleeved on the outer sides of the telescopic rods 51 and a brush plate 53 fixedly arranged between the top ends of the two telescopic rods 51; the brush of the brush plate 53 is movably contacted with the lower surface of the screen plate 3.

In this embodiment, the two ends of the spring 52 are respectively abutted against the opposite surfaces between the brush plate 53 and the sand pushing plate 4, and the spring is used for automatically resetting the expansion stroke of the expansion link 51, so that when the brush of the brush plate 53 is contacted with the meshes on the screen plate 3, the meshes can be conveniently cleaned. The case of clogging is generally blocked by a moist and knotted sand.

The linear driving structure 6 provides a driving force of a reciprocating straight line for the sand pushing plate 4; the linear driving structure 6 comprises a threaded sleeve 63 fixedly penetrating through the side surface of the sand pushing plate 4, a screw 62 with threads penetrating through the threaded sleeve 63 and a driving motor 61 coaxially fixedly connected with one end of the screw 62; the linear driving structure 6 further comprises two rubber sliding sleeves 65 fixedly penetrating through the side faces of the sand pushing plate 4 and a smooth rod 64 penetrating and sliding each rubber sliding sleeve 65; the two flat sliding rods 64 are fixedly arranged on the inner wall of the shell 2. When the rubber sliding sleeve 65 is in close sliding contact with the flat sliding rod 64, the rubber sliding sleeve 65 can provide guiding sliding for the flat sliding rod 64 and can clean sand falling on the flat sliding rod 64.

Specifically, the output end of the driving motor 61 is controlled by an external controller to be driven in a reciprocating axial direction, the output end rotates through a screw 62 and a thread sleeve 63, the smooth rod 64 provides linear guide for the sand pushing plate 4, the sand pushing plate 4 can reciprocate below the screen plate 3, the sand pushing plate 4 which reciprocates can push the screen plate 3 to the bottom in the shell 2 left and right, and screened sand is discharged through the discharge hole 41; meanwhile, in the process of reciprocating motion of the sand pushing plate 4, based on the telescopic rod 51 connected to the sand pushing plate 4, the brush plate 53 can continuously contact with the inclined surface of the screen plate 3 under the elastic potential energy provided by the spring 52, and the brush plate 53 contacting with the bottom of the screen plate 3 can contact with the meshes of the screen plate 3, so that the cleaning of the meshes blocking sand can be completed.

Further, referring to fig. 4, a sand baffle 8 in a reverse V shape is fixedly installed on the inner wall of the housing 2, and the sand baffle 8 is disposed right above the screw 62. The sand blocking plate 8 is used for blocking sand falling from the screen plate 3 to the screw rod 62, and meanwhile, sand hanging is prevented, and the influence of the sand on the transmission stability of the screw rod 62 and the threaded sleeve 63 is effectively avoided.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A screening sand box for municipal bridge construction comprises a base (1) and a shell (2) arranged on the base (1);

its characterized in that, sieve sandbox still includes:

the screen plate (3) is obliquely and fixedly connected to the inner wall of the shell (2); the bottom end of the shell (2) is fixedly communicated with a feed hopper (31);

the sand pushing plate (4) is arranged below the screen plate (3) and is positioned at the bottom end of the inner wall of the shell (2); discharge ports (41) are formed in two sides of the shell (2), and the sand pushing plate (4) is located between the two discharge ports (41);

the anti-blocking structure (5) is arranged between the sand pushing plate (4) and the screen plate (3); the anti-blocking structure (5) comprises two telescopic rods (51) fixedly arranged at the top ends of the sand pushing plates (4), springs (52) movably sleeved on the outer sides of the telescopic rods (51) and a brush plate (53) fixedly arranged between the top ends of the telescopic rods (51); the brush of the brush plate (53) is movably contacted with the lower surface of the screen plate (3); and

and the linear driving structure (6) provides a driving force of a reciprocating straight line for the sand pushing plate (4).

2. The screening sandbox for municipal bridge construction according to claim 1, characterized in that the feeding hopper (31) corresponds above the level of the screen plate (3).

3. The screening sand box for municipal bridge construction according to claim 2, wherein the impurity collecting box (7) is fixedly mounted on the side surface of the housing (2), a blanking port (71) is formed in the side surface of the housing (2) corresponding to the inner side of the impurity collecting box (7), and the blanking port (71) corresponds to the lower side of the screen plate (3).

4. The sand screening box for municipal bridge construction according to claim 1, wherein the linear driving structure (6) comprises a threaded sleeve (63) fixedly penetrating through the side of the sand pushing plate (4), a screw (62) threaded through the threaded sleeve (63), and a driving motor (61) coaxially fixedly connected with one end of the screw (62);

the driving motor (61) is fixedly arranged on the side surface of the shell (2).

5. A sand screen for municipal bridge construction according to claim 4, wherein the linear drive structure (6) further comprises two rubber sliding sleeves (65) fixed through the sides of the sand pushing plate (4) and a smoothing rod (64) sliding each of the rubber sliding sleeves (65) through;

the two flat sliding rods (64) are fixedly arranged on the inner wall of the shell (2).

6. The sand screening box for the municipal bridge construction according to claim 5, wherein a sand blocking plate (8) in a reverse V shape is fixedly mounted on the inner wall of the shell (2), and the sand blocking plate (8) is arranged right above the screw (62).