CN215507722U

CN215507722U - A grit screening plant for producing concrete

Info

Publication number: CN215507722U
Application number: CN202121368665.XU
Authority: CN
Inventors: 周云飞
Original assignee: Qingdao Zhongjin Group Co ltd
Current assignee: Qingdao Zhongjin Group Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-01-14
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a sand and stone screening device for producing concrete, which comprises a screening device main body, wherein a feeding port is arranged at one end of the outer part of the screening device main body and is connected with a feeding channel, rotating blades are arranged in the feeding channel, a barrel-shaped screen is arranged in the screening device main body below the feeding channel and is connected with a motor through a shaft, a stone block outlet is arranged below the barrel-shaped screen, a fixing hole is formed in the other end of a first adjusting rod, a steel wire is arranged in the fixing hole, a rotating fixing column is arranged at the other end of a second adjusting rod, and a maintenance door is arranged on one surface of the outer part of the screening device main body. The utility model discloses a be provided with hydraulic piston, first adjusting lever and second adjusting lever for equipment has had the function of automatically regulated screen cloth interval, makes the operation simpler and more convenient, and production is more swift, can directly change in production simultaneously, has improved production efficiency greatly.

Description

A grit screening plant for producing concrete

Technical Field

The utility model relates to the technical field of sand and stone screening devices, in particular to a sand and stone screening device for producing concrete.

Background

Sandstone refers to a loose mixture of sand grains and crushed stones, and is often a high-quality building material and a concrete raw material due to good hardness and stable chemical properties of the sandstone, so that the sandstone is widely applied to the fields of houses, roads, highways, railways, engineering and the like, if most of the crushed stones in the stones are gravels, the gravel is called sand gravel, sandstone is called sandstone in daily life, and different sandstone structures have different differences, and some sandstone structures have uniform particle sizes and different sizes: some gravels have good fragment roundness, some gravels have clear fragment edges and corners, the gravels belong to loose objects, but the grains of the gravels have larger hardness, are chemically stable in the surface environment, and have stronger weathering resistance for the gravels, particularly the silicified quartz sandstones have hardness higher than that of granite.

1. In actual life, current grit screening plant for construction sieves evenly inadequately, and screening efficiency is low to can not in time change the size of screen cloth to different needs, this can mix the messenger at the grit and cause the influence, makes to have great massif thing in the mud that mixes out, and the use of mud can be played to this kind of massif thing, and needs the manual work to do not remove, has wasted the time of many, is unfavorable for people to use.

2. Screening efficiency is low during current grit screening plant screening, and can not separate the grit of different sizes alone to the screening is not abundant, leads to extravagant grit, reduces production efficiency.

3. Screening need change different screen cloths to the grit of different demand sizes during current grit screening plant screening for work efficiency is low, and better inconvenient, and increased operating personnel's work.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sand and stone screening device for producing concrete, and aims to solve the problems that the sand and stone screening device in the prior market provided by the background technology is not uniform enough in screening, low in screening efficiency and incapable of changing the size of a screen in time according to different requirements.

In order to achieve the purpose, the utility model provides the following technical scheme: a sand and stone screening device for producing concrete comprises a screening device main body, wherein one end of the outer portion of the screening device main body is provided with a feeding port, the feeding port is connected with a feeding channel, rotating blades are installed inside the feeding channel, a barrel-shaped screen is installed inside the screening device main body below the feeding channel, the barrel-shaped screen is connected with a motor through a shaft, a stone outlet is formed below the barrel-shaped screen, an adjustable screen is arranged below the stone outlet, one end of the adjustable screen is provided with a large sand and stone outlet, a vibrating motor is installed at the other end of the adjustable screen, a discharging port is formed below the adjustable screen, one end of the inner portion of the adjustable screen is provided with a hydraulic piston, the hydraulic piston is connected with one end of a second adjusting rod through a movable plate, a fixed column is installed between the second adjusting rod and a first adjusting rod, and the other end of the first adjusting rod is provided with a fixed hole, and the inside steel wire that is provided with of fixed orifices, rotatory fixing bolt is installed to the second regulation pole other end, the outside one side of screening plant main part is provided with the maintenance door.

Preferably, stone export one end is for oblique "7" setting, and the stone export other end surpasss screening plant main part protrusion setting to the stone export is the setting of slope 20 degrees.

Preferably, the first motor is connected with the rotating blade through a transmission mechanism, the rotating blade and the bucket-shaped screen are arranged in parallel, and the bucket-shaped screen is arranged in an inclined manner.

Preferably, one end of the hydraulic piston is arranged in a u shape, the hydraulic piston is connected with two movable plates which are symmetrically arranged, and the joint of the movable plates is movably arranged.

Preferably, the first adjusting rod and the second adjusting rod form a movable structure through a fixing column, one end of the fixing column is arranged on the first adjusting rod, and one end of the fixing column is arranged below the adjustable screen.

Compared with the prior art, the utility model has the beneficial effects that:

1. pan feeding passageway internally mounted has rotating vane, make the unloading faster, and prevented that the grit from blocking up, the condition that leads to equipment to damage, and set up the tubbiness screen cloth of slope below the pan feeding passageway, make the screening process faster, and the tubbiness screen cloth is provided with the stone export of protrusion screening plant main part, can arrange the grit that does not need farther, reduce constructor's work, and equipment still is provided with big grit export and discharge gate, make and to filter its different grit simultaneously, make a tractor serves several purposes, greatly improve production efficiency, lighter constructor's intensity of labour.

2. Two fly leafs that the symmetry set up are connected to hydraulic piston, make hydraulic piston can open and shut the control of fly leaf, make a power supply control structure stretch out and retrieve, make the structure simpler, and be provided with the fixed column in the middle of first adjusting lever and the second adjusting lever, make the mobile adjustment of first adjusting lever and second adjusting lever, and fixed column greatly increased first adjusting lever and second adjusting lever stability and firm degree, and hydraulic piston passes through first adjusting lever and connects the steel wire, make equipment have the function of automatically regulated screen cloth interval, make the operation more simple and convenient, produce more swiftly, can directly change in production simultaneously, and the production efficiency is greatly improved.

Drawings

FIG. 1 is a schematic view of an overall main sectional structure of the present invention;

FIG. 2 is a schematic diagram of the overall main structure of the present invention;

FIG. 3 is a schematic top view of an adjustable screen according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 according to the present invention;

FIG. 5 is a partial cross-sectional structural view of FIG. 3 according to the present invention.

In the figure: 1. a screening device main body; 2. a feeding port; 3. repairing the door; 4. a stone outlet; 5. a large sandstone outlet; 6. a discharge port; 7. a rotating blade; 8. a first motor; 9. a feeding channel; 10. a barrel screen; 11. a vibration motor; 12. an adjustable screen; 13. a hydraulic piston; 14. a first adjusting lever; 15. fixing a column; 16. a second adjusting lever; 17. rotating the fixing bolt; 18. a fixing hole; 19. a steel wire; 20. a movable plate; 21. and a transmission mechanism.

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 and stone screening device for producing concrete comprises a screening device main body 1, wherein one end of the outer part of the screening device main body 1 is provided with a feeding port 2, the feeding port 2 is connected with a feeding channel 9, a rotating blade 7 is arranged inside the feeding channel 9, a barrel-shaped screen 10 is arranged inside the screening device main body 1 below the feeding channel 9, the barrel-shaped screen 10 is connected with a first motor 8 through a shaft, a stone block outlet 4 is arranged below the barrel-shaped screen 10, an adjustable screen 12 is arranged below the stone block outlet 4, one end of the adjustable screen 12 is provided with a large sand and stone outlet 5, the other end of the adjustable screen is provided with a vibrating motor 11, a discharge port 6 is arranged below the adjustable screen 12, one end of the inner part of the adjustable screen 12 is provided with a hydraulic piston 13, the hydraulic piston 13 is connected with one end of a second adjusting rod 16 through a movable plate 20, and a fixed column 15 is arranged between the second adjusting rod 16 and the first adjusting rod 14, the other end of the first adjusting rod 14 is provided with a fixing hole 18, a steel wire 19 is arranged in the fixing hole 18, the other end of the second adjusting rod 16 is provided with a rotary fixing bolt 17, and a maintenance door 3 is arranged on one side of the outer portion of the screening device main body 1.

4 one ends of stone export are "7" setting to one side, and 4 other ends of stone export surpass the setting of 1 protrusions of screening plant main part to 4 are the setting of 20 degrees of slope in the stone export, make better will not need the grit to discharge, and the one end of 4 protrusion screening plant main parts of stone export can be farther with the grit that does not need to be arranged, reduces constructor's work.

First motor 8 passes through drive mechanism 21 and connects rotating vane 7, and rotating vane 7 and tubbiness screen cloth 10 are parallel arrangement to tubbiness screen cloth 10 is the setting of 15 degrees of slope, reduces that pan feeding passageway 9 blocks up, has improved production efficiency, and tubbiness screen cloth 10 slope better faster screening grit, and the grit circulation is faster.

The inside rectangular distribution of adjustable screen cloth 12 is provided with four hydraulic piston 13, and hydraulic piston 13 connects steel wire 19 through first adjusting

lever

14, and 19 quantity of steel wire and the same of first adjusting lever 14 quantity, make can increase or reduce the quantity of steel wire 19 according to the equipment of unidimensional, make more convenient and fast, and make equipment have the function of automatically regulated screen cloth interval, make the operation more simple and convenient, produce more swiftly, can directly change in production simultaneously, production efficiency has been improved greatly.

One end of the hydraulic piston 13 is arranged in a u shape, the hydraulic piston 13 is connected with the two movable plates 20 which are symmetrically arranged, and the joint of the movable plates 20 is arranged to be movable, so that the hydraulic piston 13 can control the opening and closing of the movable plates 20, and a power source control structure extends out and is recycled, so that the structure is simpler, and the maintenance and installation are convenient.

The first adjusting rod 14 and the second adjusting rod 16 form a movable structure through the fixed column 15, one end of the fixed column 15 is arranged above the first adjusting rod 14, and one end of the fixed column 15 is arranged below the adjustable screen 12, so that the first adjusting rod 14 and the second adjusting rod 16 movably control the distance between the screens, and the fixed column 15 greatly increases the stability and firmness of the first adjusting rod 14 and the second adjusting rod 16.

The working principle is as follows: firstly, the worker starts the equipment, sand and stone are added into the feeding port 2 after the equipment is opened, the synchronous first motor 8 drives the rotating blades 7 to rotate through a belt, the rotating blades 7 rotationally feed the sand and stone in the feeding channel 9 into the barrel-shaped screen 10, the blocking of the feeding channel 9 caused by excessive feeding is prevented, the productivity is improved, the synchronous first motor 8 drives the barrel-shaped screen 10 to rotate through a shaft, the sand and stone enter the barrel-shaped screen 10 and then are screened, the qualified sand and stone are discharged from the barrel-shaped screen 10 in a vibrating mode through the large outlet 5, the qualified sand and stone are discharged into the discharging port 6 through the adjustable screen 12, then the circular screening operation is carried out, so that the construction personnel can use the circular screening operation,

if the sand and stone required to be constructed needs to be changed according to construction requirements, the distance between the screens 10 is changed by the hydraulic piston 13 through moving back and forth, the synchronous hydraulic piston 13 drives the movable plate 20 to open and close, the movable plate 20 drives the first adjusting rod 14 and the second adjusting rod 16 to simultaneously rotate through the fixed column 15 to open and close, the synchronous first adjusting rod 14 drives the steel wire 19 to move, the first adjusting rod 14 and the second adjusting rod 16 are connected with other adjusting rods through the rotating fixing bolt 17, the number of the adjusting rods is the same as that of the steel wire 19, four hydraulic pistons 13 are arranged on the screen 12 in a rectangular distribution mode to work synchronously, the symmetrically arranged hydraulic pistons move oppositely, the moving directions of the steel wires are consistent, the hydraulic pistons are adjusted in a small range, the condition that the distance between the screens is small and the distance between two sides is large is avoided, and the equipment can run better.

The synchronous adjustment of the screen mesh spacing is realized, the work is higher and faster, the work efficiency is improved, and the automatic adjustment is realized, and the content which is not described in detail in the specification belongs to the prior art known by professional technicians in the field.

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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a grit screening plant for producing concrete, includes screening plant main part (1), its characterized in that: the screening device is characterized in that a feeding port (2) is arranged at one end of the outer portion of a screening device main body (1), the feeding port (2) is connected with a feeding channel (9), a rotating blade (7) is installed inside the feeding channel (9), a barrel-shaped screen (10) is installed inside the screening device main body (1) below the feeding channel (9), the barrel-shaped screen (10) is connected with a first motor (8) through a shaft, a stone outlet (4) is arranged below the barrel-shaped screen (10), an adjustable screen (12) is arranged below the stone outlet (4), a big sand outlet (5) is arranged at one end of the adjustable screen (12), a vibrating motor (11) is installed at the other end of the adjustable screen (12), a discharge port (6) is arranged below the adjustable screen (12), a hydraulic piston (13) is installed at one end of the inner portion of the adjustable screen (12), and the hydraulic piston (13) is connected with one end of a second adjusting rod (16) through a movable plate (20), and a fixing column (15) is installed between the second adjusting rod (16) and the first adjusting rod (14), a fixing hole (18) is formed in the other end of the first adjusting rod (14), a steel wire (19) is arranged in the fixing hole (18), a rotary fixing bolt (17) is installed at the other end of the second adjusting rod (16), and a maintenance door (3) is arranged on one surface of the outer portion of the screening device main body (1).

2. A sand screening apparatus for the production of concrete according to claim 1, wherein: stone export (4) one end sets up for "7" to one side, and stone export (4) other end surpasss screening plant main part (1) protrusion setting to stone export (4) are the setting of slope 20 degrees.

3. A sand screening apparatus for the production of concrete according to claim 1, wherein: the first motor (8) is connected with the rotating blade (7) through a transmission mechanism (21), the rotating blade (7) and the tubby screen (10) are arranged in parallel, and the tubby screen (10) is arranged by 15 degrees in an inclined mode.

4. A sand screening apparatus for the production of concrete according to claim 1, wherein: the adjustable screen (12) is internally and rectangularly distributed with four hydraulic pistons (13), the hydraulic pistons (13) are connected with steel wires (19) through first adjusting rods (14), and the number of the steel wires (19) is the same as that of the first adjusting rods (14).

5. A sand screening apparatus for the production of concrete according to claim 1, wherein: one end of the hydraulic piston (13) is arranged in a U shape, the hydraulic piston (13) is connected with two movable plates (20) which are symmetrically arranged, and the joint of the movable plates (20) is movably arranged.

6. A sand screening apparatus for the production of concrete according to claim 1, wherein: the first adjusting rod (14) and the second adjusting rod (16) form a movable structure through a fixed column (15), one end of the fixed column (15) is arranged on the first adjusting rod (14), and one end of the fixed column (15) is arranged below the adjustable screen (12).