CN218309221U

CN218309221U - Civil engineering construction is with multiple screening sand device

Info

Publication number: CN218309221U
Application number: CN202222620412.8U
Authority: CN
Inventors: 冯密林; 张翠; 刘佳慧
Original assignee: Shen Kan Qinhuangdao General Engineering Design and Research Institute Corp of MCC
Current assignee: Shen Kan Qinhuangdao General Engineering Design and Research Institute Corp of MCC
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-01-17
Anticipated expiration: 2032-09-28

Abstract

The utility model discloses a civil engineering construction is with multiple screening sand device, including screening sand case, the inside of screening sand case is equipped with upper and lower two sets of spouts, be equipped with upper screen sand frame and lower screen sand frame on the spout in proper order, the middle part of upper screen sand frame and lower screen sand frame is equipped with upper screen sand net and lower screen sand net respectively, the left and right both ends of upper screen sand frame and lower screen sand frame are connected with left extension rod and right extension rod respectively, left extension rod and right extension rod all pass the jack on the screening sand case lateral wall, the opposite end of left extension rod all is equipped with the rack, be equipped with gear motor between the left extension rod, gear motor passes through the mounting bracket and installs on screening sand case lateral wall, gear motor's output is connected with the half-gear, the half-gear all is connected with the rack toothing on two left extension rods; the right extension rod is vertically connected with a connecting rod; the utility model discloses a go up the screening sand frame and rock the screening grit about the screening sand frame down, guarantee the precision and the efficiency of grit screening, the grit obtains abundant screening, avoids artifical screening not enough, convenient to use.

Description

Civil engineering construction is with multiple screening sand device

Technical Field

The utility model relates to a grit screening technical field specifically is a civil engineering construction is with multiple screening sand device.

Background

Civil engineering: namely civil engineering and building engineering, which is a general term for civil engineering and building engineering; is an engineering subject for building various facilities and places for activities such as human life, production, protection and the like; the civil construction engineering relates to the existence, activities and development of various industries in national economy, and no space or place for building activities for the civil construction engineering exists, so that the existence and development of various industries cannot be referred to; all of them explain the importance of civil and architectural engineering, so it is also called civil and architectural engineering construction as the foundation construction.

Need use a large amount of grit at civil engineering work progress, and the grit granule that does not sieve husky processing is not of uniform size, generally need sieve to handle it and be used for the construction, but the sieve sand of current grit is mostly the workman and adopts the spade to shed the screening net of putting to one side and sieve, this kind of mode screening precision is not enough, the grit that can't guarantee different granule sizes distinguishes completely, and when needing multiple sieve sand, just need the less screen cloth in secondary aperture of secondary use, this kind of mode sieve sand efficiency is slower, extravagant manpower, and can't effectively filter the screen cloth with the whole granule grit, the grit utilization ratio can't obtain the assurance, therefore the utility model provides a multiple screening sand device is used in civil engineering construction, solve the above-mentioned problem that proposes.

In view of this, the present invention is especially provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a civil engineering construction is with multiple screening sand device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the multiple sand screening device for civil engineering construction comprises a sand screening box, wherein an upper group of sliding grooves and a lower group of sliding grooves are formed in the sand screening box, an upper sand screening frame and a lower sand screening frame are sequentially arranged on the sliding grooves, an upper sand screening net and a lower sand screening net are respectively arranged in the middle of the upper sand screening frame and the lower sand screening frame, a left extension rod and a right extension rod are respectively connected to the left end and the right end of the upper sand screening frame and the lower sand screening frame, the left extension rod and the right extension rod penetrate through insertion holes in the side wall of the sand screening box, racks are respectively arranged at the opposite ends of the left extension rod, a speed reduction motor is arranged between the left extension rods, the speed reduction motor is installed on the side wall of the sand screening box through an installation frame, the output end of the speed reduction motor is connected with a half gear, and the half gear is connected with the racks on the two left extension rods in a meshing manner;

the upper portion of the right extension rod is perpendicularly connected with a connecting rod, the two ends of the inner side of the connecting rod are connected with the side wall of the sand screening box through telescopic rods, and a reset spring is arranged between the front end of each telescopic rod and the side wall of the sand screening box.

Preferably, the two sides of the upper ends of the upper sand screening frame and the lower sand screening frame are both provided with material limiting plates, the upper ends of the material limiting plates are fixedly connected with the inner wall of the sand screening box, and the lower ends of the material limiting plates are arranged in contact with the upper sand screening frame and the lower sand screening frame.

Preferably, the material limiting plate is arranged obliquely.

Preferably, the width of the material limiting plate is equal to the inner width of the sand screening box.

Preferably, the lower extreme both sides of screening sand case all are connected with the bracing piece through the pivot, the lower extreme of bracing piece is connected with the supporting seat.

Preferably, the supporting seat is L-shaped.

Preferably, the articulated seat of L type supporting seat upper end fixedly connected with, it has the pneumatic cylinder to articulate on the articulated seat, the upper end of pneumatic cylinder is also articulated bottom the screening sand box through articulated seat.

Preferably, the upper end of the sand screening box is provided with a feeding funnel, the rear side of the sand screening box is correspondingly provided with three box doors, the box doors are connected with the sand screening box through lotus leaves, and the box doors are all provided with handles.

Preferably, the mesh aperture of the upper sand screen is larger than that of the lower sand screen.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a go up the screening grit frame and control with lower screening grit frame and rock the screening grit, guarantee the precision and the efficiency of grit screening, the grit obtains abundant screening, avoids artifical screening not enough, convenient to use.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic sectional view of the top view of the present invention;

FIG. 2 isbase:Sub>A schematic cross-sectional view taken along the line A-A of FIG. 1 according to the present invention;

FIG. 3 is a left side view of the structure of the present invention;

fig. 4 is a schematic view of the rear view structure of the present invention.

In the figure: 1. screening sand boxes; 101. a jack; 102. a material limiting plate; 103. a chute; 2. a sand screening frame is arranged; 201. screening a sand net; 3. a sand screening frame is arranged; 301. a sand screen is arranged; 4. a left extension bar; 5. a right extension bar; 501. a connecting rod; 502. lifting and shrinking the rod; 503. a return spring; 6. a rack; 7. a reduction motor; 8. a half gear; 9. a rotating shaft; 10. a support bar; 11. an L-shaped support seat; 12. a hinged seat; 13. A hydraulic cylinder; 14. a feeding funnel; 15. a box door; 16. lotus leaves; 17. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the embodiment of the present invention provides a technical solution: the multiple sand screening device for civil engineering construction comprises a sand screening box 1, wherein an upper group of sliding grooves 103 and a lower group of sliding grooves 103 are formed in the sand screening box 1, an upper sand screening frame 2 and a lower sand screening frame 3 are sequentially arranged on the sliding grooves 103, an upper sand screening net 201 and a lower sand screening net 301 are respectively arranged in the middle of the upper sand screening frame 2 and the lower sand screening frame 3, a left extension rod 4 and a right extension rod 5 are respectively connected to the left end and the right end of the upper sand screening frame 2 and the lower sand screening frame 3, the left extension rod 4 and the right extension rod 5 both penetrate through insertion holes 101 in the side wall of the sand screening box 1, racks 6 are respectively arranged at the opposite ends of the left extension rod 4, a speed reduction motor 7 is arranged between the left extension rods 4, the speed reduction motor 7 is installed on the side wall of the sand screening box 1 through an installation frame, the output end of the speed reduction motor 7 is connected with a half gear 8, and the half gear 8 is meshed with the racks 6 on the two left extension rods 4;

all be connected with connecting rod 501 perpendicularly on the right extension rod 5, connecting rod 501 inboard both ends all are connected the side wall of screening sandbox through lift-and-shrink pole 502, be equipped with reset spring 503 between lift-and-shrink pole 502 front end and the side wall of screening sandbox 1.

The embodiment of the utility model provides an in, the upper end both sides of going up screening sand frame 2 and lower screening sand frame 3 all are equipped with the limit flitch 102 that the slope set up, limit flitch 102 upper end and screening sand case 1's inner wall fixed connection, limit flitch 102 lower extreme and last screening sand frame 2 and the contact setting of lower screening sand frame 3, limit flitch 102 width and equal the inside width of screening sand case 1. Through two sets of four limit flitchs 102 that set up, when the sand screening was rocked about last sand screening frame 2 and lower sand screening frame 3, limit flitch 102 is effectual with sand up the promotion of sand screening net 201 and lower sand screening net 301, accelerates the sand screening efficiency.

The embodiment of the utility model provides an in, the lower extreme both sides of screening sand case 1 all are connected with bracing piece 10 through pivot 9, the lower extreme of bracing piece 10 is connected with L type supporting seat 11. The angle between the sand screening box 1 and the supporting rod 10 can be adjusted, so that the inclined blanking is facilitated.

The embodiment of the utility model provides an in, 11 upper ends fixedly connected with of L type supporting seat articulate seat 12, articulated on the articulated seat 12 have pneumatic cylinder 13, pneumatic cylinder 13's upper end is also articulated bottom 1 with the sieve sandbox through articulated seat 12. The hydraulic cylinder 13 hinged to the L-shaped supporting seat 11 is hinged to the bottom of the sand screening box 1, so that the hydraulic cylinder 13 can be conveniently jacked, and the sand screening box 1 can be inclined to perform blanking.

The embodiment of the utility model provides an in, the upper end of screening sand case 1 is equipped with material loading funnel 14, the rear side correspondence of screening sand case 1 is equipped with three chamber door 15, chamber door 15 is connected with screening sand case 1 through lotus leaf 16, all be equipped with handle 17 on the chamber door 15. The sand screened on the sand screening net 201 and the sand screening net 301 are correspondingly opened through the opening of the three box doors 15, the box doors 15 are opened in cooperation with the work of the hydraulic cylinder 13, and the sand screened can be collected.

In the embodiment of the present invention, the mesh aperture of the upper sand-screening net 201 is larger than the mesh aperture of the lower sand-screening net 301. And (4) carrying out graded multi-screening on the sizes of the gravels, and screening the gravels into three sizes.

Specifically, when the utility model is used, firstly, the sand is loaded by an external elevator through a loading hopper 14 and falls onto an upper sand screening frame 2, then a speed reduction motor 7 is started, the speed reduction motor 7 drives a half gear 8 to rotate clockwise, so as to drive a left extension rod 4 meshed on the upper sand screening frame 2 to move into a sand screening box 1, and drive a left extension rod 4 meshed on a lower sand screening frame 3 to move out of the sand screening box 1, when the half gear 8 rotates for a half circle and is disengaged from the left extension rod 4 and the right extension rod 5, the upper sand screening frame 2 and the lower sand screening frame 3 are driven to reset through a telescopic rod 502 and a reset spring 503 on the corresponding two right extension rods 5, the upper sand screening frame 2 and the lower sand screening frame 3 are meshed with the half gear 8 again, so as to realize the reciprocating screening of the upper sand screening frame 2 and the lower sand screening frame 3, and the material limiting plate 102 is always in contact with the upper sand screening frame 2 and the lower sand screening frame 3, so as to limit the sand and have a pushing effect, the sand particle size is remained on the sand screening frame 2 and the lower sand screening frame 3, the lower end of the upper sand screening frame 3 is a small grading screen, so as to realize the grading of the grading sand, thereby realizing the grading of the grading particles; and finally, opening the hydraulic cylinder 13 to drive the sand screening box 1 to incline towards the rear side, and sequentially opening the three box doors 15 for corresponding collection.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

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 in specific cases to those skilled in the art.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

Claims

1. The multiple sand screening device for civil engineering construction comprises a sand screening box and is characterized in that an upper sliding groove and a lower sliding groove are formed in the sand screening box, an upper sand screening frame and a lower sand screening frame are sequentially arranged on the sliding grooves, an upper sand screening net and a lower sand screening net are respectively arranged in the middle of the upper sand screening frame and the lower sand screening frame, a left extension rod and a right extension rod are respectively connected to the left end and the right end of the upper sand screening frame and the lower sand screening frame, the left extension rod and the right extension rod penetrate through insertion holes in the side wall of the sand screening box, racks are respectively arranged at the opposite ends of the left extension rods, a speed reduction motor is arranged between the left extension rods and is installed on the side wall of the sand screening box through an installation frame, the output end of the speed reduction motor is connected with a half gear, and the half gear is meshed with the racks on the two left extension rods;

the upper portion of the right extension rod is perpendicularly connected with a connecting rod, the two ends of the inner side of the connecting rod are connected with the side wall of the sand screening box through a lifting and contracting rod, and a reset spring is arranged between the front end of the lifting and contracting rod and the side wall of the sand screening box.

2. The multiple sand screening device for civil engineering construction according to claim 1, wherein: the sand screening device is characterized in that material limiting plates are arranged on two sides of the upper ends of the upper sand screening frame and the lower sand screening frame respectively, the upper ends of the material limiting plates are fixedly connected with the inner wall of the sand screening box, and the lower ends of the material limiting plates are arranged in contact with the upper sand screening frame and the lower sand screening frame.

3. The multiple sand sieving device for civil engineering construction according to claim 2, wherein: the material limiting plate is arranged in an inclined mode.

4. The multiple sand screening device for civil engineering construction according to claim 3, wherein: the width of the limiting plate is equal to the inner width of the sand screening box.

5. The multiple sand screening device for civil engineering construction according to claim 1, wherein: the lower extreme both sides of screening sand case all are connected with the bracing piece through the pivot, the lower extreme of bracing piece is connected with the supporting seat.

6. The multiple sand screening device for civil engineering construction according to claim 5, wherein: the supporting seat is L-shaped.

7. The multiple sand screening device for civil engineering construction according to claim 6, wherein: l type supporting seat upper end fixedly connected with articulates the seat, it has the pneumatic cylinder to articulate on the seat, the upper end of pneumatic cylinder is also articulated bottom the sieve sandbox through articulating the seat.

8. The multiple sand screening device for civil engineering construction according to claim 1, wherein: the upper end of screening sandbox is equipped with the material loading funnel, the rear side correspondence of screening sandbox is equipped with three chamber door, the chamber door passes through the lotus leaf and is connected with the screening sandbox, all be equipped with the handle on the chamber door.

9. The multiple sand screening device for civil engineering construction according to claim 1, wherein: the mesh aperture of the upper sand screen is larger than that of the lower sand screen.