CN220425932U

CN220425932U - Water-stabilized macadam screening hopper for constructional engineering

Info

Publication number: CN220425932U
Application number: CN202321959314.5U
Authority: CN
Inventors: 展烁
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2024-02-02
Anticipated expiration: 2033-07-25

Abstract

The utility model discloses a water-stable broken stone screening hopper for constructional engineering, which is used for screening broken stones formed into water-stable broken stones and comprises a feeding hopper and a screening box which is positioned below the feeding hopper and communicated with the feeding hopper, wherein a screening plate is obliquely arranged in the screening box, the screening plate is obliquely downward, a material guiding area is formed at the joint of the bottom end of the screening plate and the side wall of the screening box, a material guiding mechanism which is arranged on the side wall of the screening box is arranged in the material guiding area, a discharge hole is formed in the screening box along the extending direction of the material guiding area, and the material guiding mechanism can drive super-particle-diameter stones in the material guiding area to move towards the discharge hole. By mounting the screening plates obliquely in the screening box, it is possible to prevent ultra-fine particle size stones from clogging the screening holes. Install guide mechanism in the guide area of screening board and screening case lateral wall junction to in time get rid of the super particle diameter stone that the screening produced, guarantee to constantly screen to the stable broken stone of water, improve the screening efficiency of screening hopper.

Description

Water-stabilized macadam screening hopper for constructional engineering

Technical Field

The utility model belongs to the technical field of stone screening, and particularly relates to a water-stabilized stone screening hopper for construction engineering.

Background

In construction engineering, stones are indispensable, and stones for construction are crushed stone obtained by crushing stones by a stone crusher. Existing lithotripters have been able to substantially break stones into stones of acceptable particle size, but still have individual large or extra large stones present. The stones can have serious influence on the grading, paving, rolling and the like of the base layer, so that the overall stability of the cement stabilized macadam in the later stage is poor and the overall strength is reduced.

Before the use of the stones, it is generally necessary to pour the stones into a screening hopper to remove individual large or extra large stones having a particle size exceeding the inside diameter of the screening holes, known as super-size stones. When the stones are screened, the super-particle-size stones are easy to block the screening holes on the screening plate, so that the screening efficiency is affected. Because the volume of screening hopper is limited, when continuously using screening hopper to sieve the stone, super particle diameter stone can accumulate in the screening hopper, is unfavorable for sieving the stone. When cleaning the super-particle size stones in the screening hopper, the screening hopper needs to be stopped, and the efficiency of screening stones in the screening hopper is affected.

Disclosure of Invention

In order to overcome the defects, the utility model provides the water-stabilized macadam screening hopper for the construction engineering, and the screening plate is obliquely arranged in the screening box, so that the blocking of super-particle-size cobbles to screening holes is prevented. Install guide mechanism in the guide area of screening board and screening case lateral wall junction to in time get rid of the super particle diameter stone that the screening produced, guarantee to constantly screen to the stable broken stone of water, improve the screening efficiency of screening hopper.

The utility model is realized by the following technical scheme:

the utility model provides a building engineering is with water steady rubble screening hopper for screening the rubble of shaping into water steady rubble, including the feeder hopper with be located the screening case of feeder hopper below and intercommunication feeder hopper, screening incasement slope is provided with screening board, helps preventing super particle diameter stone and blocks up the screening hole. The screening board slope is downwards and screening box lateral wall junction is formed with the guide district in the bottom of screening board for hold super particle diameter stone. The material guiding area is internally provided with a material guiding mechanism arranged on the side wall of the screening box, the screening box is provided with a discharge hole along the extending direction of the material guiding area, and the material guiding mechanism can drive super-particle-size stones in the material guiding area to move towards the discharge hole. Guarantee that screening hopper can last screening operation, improve screening efficiency.

Further, the material guiding mechanism comprises a plurality of material guiding devices which are sequentially arranged along the extending direction of the material guiding area so as to drive the super-particle-size stones in the material guiding area. The guide device comprises a transmission shaft penetrating through the side wall of the screening box, a motor mounted on the outer wall of the screening box and a trapezoid frame fixed on the transmission shaft, and the motor can drive the trapezoid frame to rotate around the axis of the transmission shaft through the transmission shaft. The trapezoid frame rotates around the transmission shaft, and then the super-particle-size stone touching the trapezoid frame is driven to move towards the direction close to the discharge hole.

Further, a plurality of screening holes are formed in the screening plate, overflow ports are formed in the trapezoid frame, and the apertures of the overflow ports are the same as those of the screening holes, so that stones with qualified particle sizes penetrate through the overflow ports, and the pushing effect of the trapezoid frame on stones with qualified particle sizes on the stones with qualified particle sizes is reduced.

Further, the shape of the trapezoid frame is right trapezoid, and the straight waist of the trapezoid frame is fixedly connected with the transmission shaft so as to improve the connection stability of the trapezoid frame and the transmission shaft. The inclination of the inclined waist of the trapezoid frame is the same as that of the screening plate, so that the trapezoid frame can push super-particle-size stones in the material guiding area conveniently.

Further, the distance between adjacent guides is greater than twice the length of the ladder frame, preventing adjacent ladder frames from colliding during rotation.

Further, a collecting box positioned at the discharge hole is arranged outside the screening box and is used for collecting the super-particle-size stones in the screening hopper.

Further, the side wall of the screening box is also provided with a vibrating motor for driving the screening plate to vibrate, so that the screening of the water stabilized macadam is facilitated.

Further, evenly distributed screening holes are formed in the screening plates, the screening plates are multiple in number, the inner diameters of the screening holes in the screening plates are different, and the screening plates are arranged in the screening box in a replaceable mode, so that the screening hopper is provided with multiple screening particle size standards.

The utility model has the beneficial effects that:

1. the screening plates in the screening box are obliquely arranged, and the ultra-particle-size stones roll down to the material guiding area along the inclination of the screening plates in the screening process, so that the ultra-particle-size stones are helped to be removed in a concentrated manner;

2. and a material guiding mechanism is arranged in the material guiding area to drive the super-particle-size stones to move towards the direction of the discharge hole, so that the super-particle-size stones formed by screening are automatically removed, accumulation of the super-particle-size stones in the screening box is prevented, and the screening efficiency of the screening box is improved.

Drawings

FIG. 1 is a schematic diagram illustrating the connection of an exemplary embodiment of a water stabilized macadam screening hopper for construction use in accordance with the present utility model;

FIG. 2 is a schematic diagram illustrating an exemplary embodiment of a stabilized macadam screening hopper for construction use in accordance with the present utility model;

FIG. 3 is a schematic view showing a part of FIG. 2 at A;

FIG. 4 is a top view of an exemplary embodiment of a water stabilized macadam screening hopper for construction use in accordance with the present utility model;

fig. 5 is a side view illustrating an exemplary embodiment of a stabilized macadam screening hopper for construction use in accordance with the present utility model.

Reference numerals:

1. the screening device comprises a feeding hopper, 2, screening boxes, 21, a discharge port, 3, screening plates, 31, screening holes, 4, a material guiding area, 5, a material guiding mechanism, 6, a material guiding device, 61, a transmission shaft, 62, a motor, 63, a ladder frame, 631, an overflow port, 7 and a collecting box.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiments of the present utility model, terms such as left, right, up, down, front, and back are merely relative terms or references to a normal use state of a product, i.e. a traveling direction of the product, and should not be construed as limiting.

In addition, the dynamic terms such as "relative movement" in the embodiments of the present utility model include not only a change in position but also a movement in which a state is changed without a relative change in position such as rotation or rolling.

Finally, it is noted that when an element is referred to as being "on" or "disposed on" another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

The utility model provides a building engineering is with water steady rubble screening hopper for screening shaping becomes the rubble of water steady rubble, including feeder hopper 1 and the screening case 2 that is located feeder hopper 1 below and communicates feeder hopper 1, screening incasement 2 slope is provided with screening board 3, helps preventing super particle diameter stone and blocks up screening hole 31. The screening plate 3 inclines downwards, and a material guiding area 4 is formed at the joint of the bottom end of the screening plate 3 and the side wall of the screening box 2 and is used for accommodating super-particle-size stones. The guide area 4 is internally provided with a guide mechanism 5 arranged on the side wall of the screening box 2, the screening box 2 is provided with a discharge hole 21 along the extending direction of the guide area 4, and the guide mechanism 5 can drive the super-particle-size stones in the guide area 4 to move towards the discharge hole 21. Guarantee that screening hopper can last screening operation, improve screening efficiency.

In one embodiment, crushed stone to be screened is first introduced into the feed hopper 1, and the upper opening of the feed hopper 1 is larger than the lower opening, so that the crushed stone is stabilized by water into the feed hopper 1. Crushed stone falls into a screening box 2 communicated with the feeding hopper 1 from the feeding hopper 1, and stones with qualified particle sizes pass through screening holes 31 of a screening plate 3 and fall into a designated area; the ultra-granular stones slide down along the inclined screening plate 3 to the guiding zone 4. The super-particle-size stones in the material guiding area 4 are pushed by the material guiding mechanism 5 to move to the discharge hole 21 along the extending direction of the material guiding area 4 so as to move the super-particle-size stones out of the screening box 2, so that the screening hopper can continuously perform screening work, and the screening efficiency is improved.

Preferably, the guiding mechanism 5 comprises a plurality of guiding devices 6 which are sequentially arranged along the extending direction of the guiding area 4 so as to drive the super-particle-size stones in the guiding area 4. The guide 6 comprises a drive shaft 61 penetrating the side wall of the screening box 2, a motor 62 mounted to the outer wall of the screening box 2 and a ladder 63 fixed to the drive shaft 61, the motor 62 being able to drive the ladder 63 to rotate around the axis of the drive shaft 61 via the drive shaft 61. The trapezoid support 63 rotates around the transmission shaft 61, and then super-particle-size stones touching the trapezoid support 63 are driven to move in the direction approaching the discharge hole 21.

In one embodiment, a plurality of guides 6 are uniformly distributed in the guide zone 4, the guides 6 cooperate to move the ultra-sized stones located in the guide zone 4 out of the screening hopper. The motor 62 on the outer side wall of the screening box 2 drives the trapezoid frame 63 in the material guiding area 4 to rotate through the transmission shaft 61 penetrating through the screening box 2, and the trapezoid frame 63 rotates to push the super-particle-size stones touching the trapezoid frame 63, so that the super-particle-size stones move to the material outlet 21 along the extending direction of the material guiding area 4.

Preferably, the screening plate 3 is provided with a plurality of screening holes 31, the ladder frame 63 is internally provided with overflow ports 631, and the apertures of the overflow ports 631 and the screening holes 31 are the same, so that stones with qualified particle sizes penetrate through the overflow ports 631, and the pushing effect of the ladder frame 63 on stones with qualified particle sizes is reduced.

In one embodiment, some of the acceptable particle size stones will also fall into the material guiding area 4, and when the ladder 63 rotates to push the stones, the acceptable particle size stones will easily pass through the overflow port 631, so as to reduce the pushing effect of the ladder 63 on the acceptable particle size stones. Further, the time for the stones with qualified particle size to move to the discharge port 21 is prolonged. It should be noted that, the screening plate 3 at the bottom of the material guiding area 4 is also provided with screening holes 31, that is, the stones with qualified particle sizes located in the material guiding area 4 can pass through the screening holes 31 and fall into the designated area, so that the stones with qualified particle sizes can pass through the screening holes 31 and enter the designated area more easily when the time of the stones with qualified particle sizes in the material guiding area 4 is longer. The overflow port 631 is arranged on the trapezoid frame 63, which is helpful for reducing the pushing effect on stones with qualified particle size and improving the screening rate.

Preferably, the trapezoid frame 63 is in a right trapezoid shape, and a straight waist of the trapezoid frame 63 is fixedly connected with the transmission shaft 61, so that stability of connection between the trapezoid frame 63 and the transmission shaft 61 is improved. The inclination of the inclined waist of the trapezoid frame 63 is the same as that of the screening plate 3, so that the trapezoid frame 63 can push the super-particle-size stones in the material guiding area 4 conveniently.

In an embodiment, when the ladder frame 63 rotates to the bottom, the inclined waist of the ladder frame 63 abuts against the plate surface when the sieving plate 3 vibrates to the highest position, so as to fully push the stones in the material guiding area 4. The rotation of the ladder frame 63 is not affected by the screening plate 3, and no force exists between the ladder frame 63 and the screening plate 3.

Preferably, the distance between adjacent guides 6 is greater than twice the length of the ladder frame 63, preventing the adjacent ladder frames 63 from colliding during rotation.

In one embodiment, the trapezoid support 63 of each guide 6 rotates in the same direction and has a tendency to push the stones towards the outlet 21. The independent rotation of each ladder 63 does not affect each other, and the rotation of each ladder 63 does not collide.

Preferably, the screening box 2 is also provided with a collecting box 7 at the discharge hole 21 for collecting the ultra-particle size stones in the screening hopper.

In one embodiment, the stones flowing out of the outlet 21 fall into the collection box 7, and the workers pour the stones in the collection box 7 into the pulverizer to re-pulverize the stones with super-particle diameters. A small amount of stones with acceptable particle sizes are also present in the collection box 7, and since the number of stones with acceptable particle sizes is small, the stones with acceptable particle sizes are directly treated as super-sized stones.

Preferably, a vibrating motor for driving the sieving plate 3 to vibrate is further arranged on the side wall of the sieving box 2, so that the water stabilized macadam can be sieved.

In one embodiment, a vibrating motor is used to vibrate the screening plate 3, helping to increase the screening efficiency of the screening hopper on crushed stones. The vibration motor drives the sieving plate 3 to vibrate belongs to the conventional technical means and is not repeated.

Preferably, the screening plates 3 are provided with evenly distributed screening holes 31, the screening plates 3 are provided with a plurality of screening holes 31, and the screening plates 3 are installed in the screening box 2 in a replaceable manner, so that the screening hopper has a plurality of screening particle size standards.

In one embodiment, the screening hopper has the ability to screen crushed stone of different particle sizes. When it is necessary to screen crushed stones of a certain diameter, it is only necessary to replace the screening plate 3 in the screening box 2 with a screening plate 3 having screening holes 31 of the same size, and further screen the stones of the same size. It should be noted that, when the ladder frame 63 is detachably mounted on the transmission shaft 61 and the sieving plate 3 is replaced, the ladder frame 63 is also replaced with a matching ladder frame 63, so that the aperture of the overflow port 631 of the ladder frame 63 is the same as the aperture of the corresponding sieving hole 31.

When the above-mentioned water-stabilized macadam screening hopper for construction engineering is adopted, the screening plate 3 is obliquely installed in the screening box 2, so that the blocking of the super-particle-size cobbles is prevented from being the screening holes 31. Install guide mechanism 5 in screening board 3 and screening case 2 lateral wall junction's guide district 4 to in time get rid of the super particle diameter stone that the screening produced, guarantee to constantly screen to the stable rubble of water, improved the screening efficiency of screening hopper.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims

1. The utility model provides a building engineering is with water steady rubble screening hopper for screening shaping is rubble of water steady rubble, its characterized in that, include the feeder hopper and be located the feeder hopper below and intercommunication the screening case of feeder hopper, screening incasement slope is provided with screening board, screening board slope downwards just the screening board's bottom with screening case lateral wall junction is formed with the guide district, be equipped with in the guide district and install the guiding mechanism of screening case lateral wall, follow the extending direction of guide district, the discharge gate has been seted up to the screening case, guiding mechanism can drive the super particle diameter stone orientation of guide district the discharge gate removes.

2. The construction water stabilized macadam screening hopper as claimed in claim 1, wherein the guide mechanism comprises a plurality of guides sequentially arranged along the extending direction of the guide area, the guides comprise a transmission shaft penetrating through the side wall of the screening box, a motor mounted to the outer wall of the screening box and a ladder frame fixed on the transmission shaft, and the motor can drive the ladder frame to rotate around the axis of the transmission shaft through the transmission shaft.

3. The construction water-stabilized macadam screening hopper as claimed in claim 2, wherein the screening plate is provided with a plurality of screening holes, the ladder frame is internally provided with overflow ports, and the apertures of the overflow ports and the screening holes are the same.

4. A construction water stabilized macadam screening hopper as claimed in claim 3, wherein the trapezoid frame is right trapezoid in shape, the straight waist of the trapezoid frame is fixedly connected with the transmission shaft, and the inclination of the inclined waist of the trapezoid frame is the same as the inclination of the screening plate.

5. A construction water stabilized macadam screening hopper as claimed in claim 2, wherein the distance between adjacent said guides is greater than twice the length of said ladder.

6. The construction water stabilized macadam screening hopper as claimed in claim 1, wherein a collecting box positioned at the discharge port is arranged outside the screening box.

7. The construction water stabilized macadam screening hopper as claimed in claim 1, wherein a vibration motor for driving the screening plate to vibrate is further installed on the side wall of the screening box.

8. The construction water stabilized macadam screening hopper as claimed in claim 1, wherein the screening plates are provided with uniformly distributed screening holes, the plurality of screening plates are provided, the inner diameters of the screening holes on the screening plates are different, and the screening plates are replaceably mounted in the screening box.