CN212441973U

CN212441973U - A grit sieving mechanism for civil engineering

Info

Publication number: CN212441973U
Application number: CN201922071233.1U
Authority: CN
Inventors: 万燕; 刘爱年
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2021-02-02
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses a grit sieving mechanism for civil engineering, the power distribution box comprises a box body, the first fixed block of the equal fixedly connected with in both sides at box inner chamber top, the bottom swing joint of first fixed block has first movable rod, the bottom swing joint of first movable rod has the sieve, and the right side of sieve runs through to the right side of box, the discharge gate has been seted up to the bottom of box, the right side fixedly connected with transmission case of box. The utility model discloses a cooperation that sets up bearing, bow-shaped pole, cylinder cover, second transfer line, cylinder, pivot, helical blade and conveying pipe is used, this a grit sieving mechanism for civil engineering possesses automatic feeding's advantage, has solved current grit sieving mechanism and has not possessed automatic feeding's problem, need not send into the grit from the top of screening the box, makes reinforced comparatively convenient, has alleviateed intensity of labour, has also improved the efficiency of screening, is worth using widely.

Description

A grit sieving mechanism for civil engineering

Technical Field

The utility model relates to a civil engineering technical field specifically is a grit sieving mechanism for civil engineering.

Background

Civil engineering refers to both the materials and equipment used and the technical activities of surveying, designing, constructing, maintaining, repairing, etc. carried out, and the objects of engineering construction, i.e. the various engineering facilities built on the ground or underground, on the land or in water, which serve directly or indirectly for human life, production, military and scientific research.

Sandstone is often used as a high-quality building material and a concrete raw material and widely applied to the fields of houses, roads, highways, railways, engineering and the like because of good hardness and stable chemical properties, sandstone is an important building material for large-scale buildings, sandstone carving, interior decoration and garden yard construction since ancient times, a large amount of sandstone concrete is required in the building construction projects such as urban engineering construction, road construction and the like, and different requirements on the granularity and the uniformity of the sandstone are required in different engineering constructions, so that screening operation of a large amount of sandstone can be involved in civil engineering, the screening of the sandstone is a work which is large in quantity, heavy and requires careful attention, and can be involved in a plurality of operation environments such as transportation, screening and transportation of the sandstone, and in order to meet the requirements on the efficiency and the quality of the building construction, a sandstone screening device is widely applied, however, the existing sand screening device cannot automatically feed, generally, the sand screening device is manually fed, and in the process of screening sand, because the sand per se is too heavy, the sand is usually fed by the top of the screening device, the feeding process is very inconvenient, the labor intensity is increased, and the screening efficiency is also reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grit sieving mechanism for civil engineering possesses automatic feeding's advantage, has solved current grit sieving mechanism and has not possessed automatic feeding's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a gravel screening device for civil engineering comprises a box body, wherein both sides of the top of an inner cavity of the box body are fixedly connected with a first fixed block, the bottom of the first fixed block is movably connected with a first movable rod, the bottom of the first movable rod is movably connected with a sieve plate, the right side of the sieve plate penetrates through the right side of the box body, a discharge hole is formed in the bottom of the box body, the right side of the box body is fixedly connected with a transmission box, the top of the inner cavity of the transmission box is fixedly connected with a second fixed block, the bottom of the second fixed block is movably connected with a second movable rod, a movable groove is formed in the surface of the second movable rod, one end, away from the second fixed block, of the second movable rod is movably connected with a third movable rod, the inner cavity of the transmission box is provided with a first transmission rod, and the inner cavity, penetrating through the left side of the first transmission, the surface of the first transmission rod is sleeved with a third fixed block, the top of the third fixed block is movably connected with the bottom of a third movable rod, the right side of the first transmission rod is fixedly connected with a movable plate, the right side of the inner cavity of the transmission box is fixedly connected with a support, the left side of the support is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotary plate, the axis of the rotary plate is fixedly connected with a fourth movable rod, one end, away from the rotary plate, of the fourth movable rod is slidably connected with the inner wall of a movable groove through a shaft pin, the left side of the box body is fixedly connected with a feeding box, the top of the inner cavity of the feeding box is fixedly connected with a bearing, the inner wall of the bearing is fixedly connected with an arched rod, the surface of the arched rod is sleeved with a cylindrical sleeve, the left side of the cylindrical, the right side fixed connection U-shaped piece of cylinder, the inner wall fixedly connected with of U-shaped piece is vertical the pivot, and the left side of second transfer line is through vertical pivot and U-shaped piece swing joint, the bottom fixedly connected with pivot of bow-shaped pole, the fixed surface of pivot is connected with helical blade, the feed inlet has been seted up to the left bottom of pay-off case, the right side intercommunication of pay-off case inner chamber has the conveying pipe, and the conveying pipe is located the top of sieve.

Preferably, both sides of sieve bottom are all fixedly connected with guide plate, and two guide plates are central symmetry distribution about the sieve.

Preferably, the right side of the movable plate is fixedly connected with a spring, and the right side of the spring is fixedly connected with the right side of the inner cavity of the transmission case.

Preferably, the inner cavity of the feeding box is provided with a partition plate, two sides of the partition plate are respectively and fixedly connected with two sides of the inner cavity of the feeding box, and the bottom of the rotating shaft penetrates through the bottom of the partition plate.

Preferably, the surface of the rotating shaft is sleeved with a sealing ring, and the surface of the sealing ring is fixedly connected with the inner wall of the isolation plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a cooperation that sets up bearing, bow-shaped pole, cylinder cover, second transfer line, cylinder, pivot, helical blade and conveying pipe is used, this a grit sieving mechanism for civil engineering possesses automatic feeding's advantage, has solved current grit sieving mechanism and has not possessed automatic feeding's problem, need not send into the grit from the top of screening the box, makes reinforced comparatively convenient, has alleviateed intensity of labour, has also improved the efficiency of screening, is worth using widely.

2. The utility model discloses a set up the guide plate, the grit after can being convenient for to make the screening can concentrate from discharge gate department and fall down, the grit after having avoided the screening appears diffusing the phenomenon of each department of box inner chamber at the in-process of whereabouts, through setting up the spring, can reset rapidly after the first drive lever left shift of being convenient for, the screening speed of sieve has been strengthened, through the division board, can effectively avoid the in-process at the material loading, each spare part is harmd to the grit, the life of each spare part has been prolonged, through setting up the sealing washer, can prevent effectively that the grit from entering into in the gap of division board and pivot, the slew velocity of reduction pivot.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1 according to the present invention;

fig. 3 is an enlarged view of a portion of a structure shown in fig. 1 according to the present invention.

In the figure: the device comprises a box body 1, a first fixed block 2, a first movable rod 3, a sieve plate 4, a discharge hole 5, a transmission box 6, a second fixed block 7, a second movable rod 8, a movable groove 9, a third movable rod 10, a first transmission rod 11, a third fixed block 12, a movable plate 13, a support 14, a motor 15, a rotary table 16, a fourth movable rod 17, a feeding box 18, a bearing 19, a cambered rod 20, a cylindrical sleeve 21, a second transmission rod 22, an air cylinder 23, a U-shaped block 24, a longitudinal shaft pin 25, a rotating shaft 26, a spiral blade 27, a feeding hole 28, a feeding pipe 29, a guide plate 30, a spring 31, a separation plate 32 and a sealing ring 33.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a sand screening device for civil engineering, comprising a box body 1, wherein both sides of the top of the inner cavity of the box body 1 are fixedly connected with a first fixed block 2, the bottom of the first fixed block 2 is movably connected with a first movable rod 3, the bottom of the first movable rod 3 is movably connected with a sieve plate 4, the right side of the sieve plate 4 penetrates through the right side of the box body 1, both sides of the bottom of the sieve plate 4 are fixedly connected with guide plates 30, the two guide plates 30 are distributed in central symmetry with respect to the sieve plate 4, the screened sand can fall from a discharge port 5 in a centralized manner by arranging the guide plates 30, the phenomenon that the screened sand spreads to all parts of the inner cavity of the box body 1 in the falling process is avoided, the bottom of the box body 1 is provided with a discharge port 5, the right side of the box body 1 is fixedly connected with a transmission case 6, the top of the, the bottom of the second fixed block 7 is movably connected with a second movable rod 8, the surface of the second movable rod 8 is provided with a movable groove 9, one end of the second movable rod 8, which is far away from the second fixed block 7, is movably connected with a third movable rod 10, the inner cavity of the transmission case 6 is provided with a first transmission rod 11, the left side of the first transmission rod 11 penetrates through the inner cavity of the case body 1 to be movably connected with the right side of the first movable rod 3, the surface of the first transmission rod 11 is sleeved with a third fixed block 12, the top of the third fixed block 12 is movably connected with the bottom of the third movable rod 10, the right side of the first transmission rod 11 is fixedly connected with a movable plate 13, the right side of the movable plate 13 is fixedly connected with a spring 31, the right side of the spring 31 is fixedly connected with the right side of the inner cavity of the transmission case 6, through the arrangement of the spring 31, the first transmission rod 11, the right side of the inner cavity of the transmission box 6 is fixedly connected with a support 14, the left side of the support 14 is fixedly connected with a motor 15, the output end of the motor 15 is fixedly connected with a turntable 16, the axle center of the turntable 16 is fixedly connected with a fourth movable rod 17, one end, far away from the turntable 16, of the fourth movable rod 17 is connected with the inner wall of the movable groove 9 through a shaft pin in a sliding manner, the left side of the box body 1 is fixedly connected with a feed box 18, the inner cavity of the feed box 18 is provided with a separation plate 32, two sides of the separation plate 32 are respectively fixedly connected with two sides of the inner cavity of the feed box 18, the bottom of the rotating shaft 26 penetrates through the bottom of the separation plate 32, sand damage to each part can be effectively avoided through the separation plate 32 in the feeding process, the service life of each part is prolonged, the top of the inner cavity of the feed box 18 is fixedly connected with a bearing 19, the inner, a second transmission rod 22 is fixedly connected on the left side of the cylindrical sleeve 21, an air cylinder 23 is fixedly connected on the top of the left side of the inner cavity of the feeding box 18, a U-shaped block 24 is fixedly connected on the right side of the air cylinder 23, a longitudinal shaft pin 25 is fixedly connected on the inner wall of the U-shaped block 24, the left side of the second transmission rod 22 is movably connected with the U-shaped block 24 through a longitudinal shaft pin 25, the bottom of the arched rod 20 is fixedly connected with a rotating shaft 26, the surface of the rotating shaft 26 is sleeved with a sealing ring 33, the surface of the sealing ring 33 is fixedly connected with the inner wall of the isolation plate 32, by arranging the sealing ring 33, sand can be effectively prevented from entering a gap between the isolation plate 32 and the rotating shaft 26, the rotating speed of the rotating shaft 26 is reduced, the spiral blade 27 is fixedly connected to the surface of the rotating shaft 26, the feeding hole 28 is formed in the bottom of the left side of the feeding box 18, the feeding pipe 29 is communicated with the right side of the inner cavity of the feeding box 18, and the feeding pipe 29 is located at the top of the sieve plate 4.

During the use, operating personnel starts motor 15, motor 15 uses through the cooperation of second movable rod 8 and fourth movable rod 12, it controls to have driven first transfer line 11 and has moved, first transfer line 11 drives first movable rod 3 and moves about, first movable rod 3 drives sieve 4 and moves about, thereby the purpose of screening grit has been reached, restart cylinder 23, cylinder 23 drives second transfer line 22 and moves about, under the cooperation of bearing 19 and cylinder cover 21 uses, second transfer line 22 drives bow-shaped rod 20 and rotates, bow-shaped rod 20 drives pivot 26 and rotates, pivot 26 drives surperficial helical blade 27 and rotates, can carry the conveying pipe 29 department with the grit that adds in feed inlet 28, the grit passes through conveying pipe 29 and arrives on sieve 4, thereby the purpose of automatic feeding has been reached.

In summary, the following steps: this a grit sieving mechanism for civil engineering uses through the cooperation that sets up bearing 19, bow-shaped pole 20, cylinder cover 21, second transfer line 22, cylinder 23, pivot 26, helical blade 27 and conveying pipe 29, has solved current grit sieving mechanism and has not possessed automatic feeding's problem.

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 grit sieving mechanism for civil engineering, includes box (1), its characterized in that: the box body is characterized in that first fixed blocks (2) are fixedly connected to two sides of the top of an inner cavity of the box body (1), first movable rods (3) are movably connected to the bottom of the first fixed blocks (2), a sieve plate (4) is movably connected to the bottom of the first movable rods (3), the right side of the sieve plate (4) penetrates through the right side of the box body (1), a discharge port (5) is formed in the bottom of the box body (1), a transmission case (6) is fixedly connected to the right side of the box body (1), a second fixed block (7) is fixedly connected to the top of the inner cavity of the transmission case (6), second movable rods (8) are movably connected to the bottom of the second fixed blocks (7), movable grooves (9) are formed in the surface of the second movable rods (8), and third movable rods (10) are movably connected to one ends, far away from the second fixed blocks (7), of the second, the inner cavity of the transmission case (6) is provided with a first transmission rod (11), the left side of the first transmission rod (11) penetrates through the inner cavity of the case body (1) and the right side movable connection of the first movable rod (3), a third fixed block (12) is sleeved on the surface of the first transmission rod (11), the top of the third fixed block (12) is movably connected with the bottom of the third movable rod (10), the right side of the first transmission rod (11) is fixedly connected with a movable plate (13), the right side of the inner cavity of the transmission case (6) is fixedly connected with a support (14), the left side of the support (14) is fixedly connected with a motor (15), the output end of the motor (15) is fixedly connected with a turntable (16), the axle center of the turntable (16) is fixedly connected with a fourth movable rod (17), and one end of the fourth movable rod (17), which is far away from the turntable (16), is connected with the inner wall of the movable groove (9) through, the automatic feeding device is characterized in that a feeding box (18) is fixedly connected to the left side of the box body (1), a bearing (19) is fixedly connected to the top of an inner cavity of the feeding box (18), an arched rod (20) is fixedly connected to the inner wall of the bearing (19), a cylindrical sleeve (21) is sleeved on the surface of the arched rod (20), a second transmission rod (22) is fixedly connected to the left side of the cylindrical sleeve (21), an air cylinder (23) is fixedly connected to the top of the left side of the inner cavity of the feeding box (18), a U-shaped block (24) is fixedly connected to the right side of the air cylinder (23), a longitudinal shaft pin (25) is fixedly connected to the inner wall of the U-shaped block (24), the left side of the second transmission rod (22) is movably connected with the U-shaped block (24) through the longitudinal shaft pin (25), a rotating shaft (26) is fixedly connected to, a feeding hole (28) is formed in the bottom of the left side of the feeding box (18), a feeding pipe (29) is communicated with the right side of the inner cavity of the feeding box (18), and the feeding pipe (29) is located at the top of the sieve plate (4).

2. A sand screening apparatus for civil engineering works as claimed in claim 1, wherein: the equal fixedly connected with guide plate (30) in both sides of sieve (4) bottom, and two guide plates (30) are central symmetry distribution about sieve (4).

3. A sand screening apparatus for civil engineering works as claimed in claim 1, wherein: the right side of the movable plate (13) is fixedly connected with a spring (31), and the right side of the spring (31) is fixedly connected with the right side of the inner cavity of the transmission case (6).

4. A sand screening apparatus for civil engineering works as claimed in claim 1, wherein: an isolation plate (32) is arranged in the inner cavity of the feeding box (18), two sides of the isolation plate (32) are fixedly connected with two sides of the inner cavity of the feeding box (18) respectively, and the bottom of the rotating shaft (26) penetrates through the bottom of the isolation plate (32).

5. A sand screening apparatus for civil engineering works according to claim 1 or 4, wherein: and a sealing ring (33) is sleeved on the surface of the rotating shaft (26), and the surface of the sealing ring (33) is fixedly connected with the inner wall of the isolation plate (32).