CN216606070U

CN216606070U - Highway maintenance rubble multistage screening plant

Info

Publication number: CN216606070U
Application number: CN202220154018.7U
Authority: CN
Inventors: 刘宇; 张实; 魏文一; 苑博深; 万超; 何振刚; 李小伟; 梁越
Original assignee: Heilongjiang Forestry Design Institute
Current assignee: Heilongjiang Forestry Design Institute
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-05-27
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to a multi-stage screening device for road maintenance crushed stones, and belongs to the technical field of engineering machinery. The problem of current screening plant be unfavorable for the rubble to be collected is solved. Including the protective housing, screening plant and hierarchical workbin, the protective housing includes the casing, the side entry, hierarchical discharge gate, the bottom goes out the feed cylinder, landing leg and bottom screen cloth, be provided with the screening plant to a vertical setting in the casing, the side entry is installed in the upper portion side of casing and is stretched into in the casing, the end slope setting of stretching into of side entry, the end that stretches into of side entry corresponds the setting with the screening plant, protective housing lateral wall corresponds the position with the screening plant and is provided with hierarchical discharge gate, hierarchical workbin is located the outside of casing, the bottom of casing is provided with the bottom and goes out the feed cylinder, the discharge gate that the feed cylinder was gone out to the bottom is located the side of casing, the bottom screen cloth is installed to the inner wall that the feed cylinder was gone out to the bottom, the casing downside sets up the landing leg, the downside of hierarchical discharge gate, the downside correspondence of bottom play feed cylinder is provided with hierarchical workbin. The crushed stones are convenient to be sorted and collected.

Description

Highway maintenance rubble multistage screening plant

Technical Field

The utility model relates to a multi-stage screening device for road maintenance crushed stones, and belongs to the technical field of engineering machinery.

Background

The screening device is mechanical equipment used for screening various raw materials and various primary products into a plurality of grades according to the granularity of the materials by utilizing actions of rotation, vibration, reciprocation, shaking and the like. In the process of engineering construction, screening devices such as a road maintenance project are often needed, the damaged part of the road needs to be repaired, and the road is a civil foundation project connecting cities and villages, so that the road repair also needs to pay attention to emergency service and rush repair to keep the road smooth. In order to guarantee the construction efficiency and quality, mechanical equipment is needed to process materials, for example, a screening device is adopted to carry out classification treatment on crushed stones for construction, for example, the publication number is CN214289218U, the utility model provides a crushed stone screening device for producing concrete pipe piles, and the technical scheme of screening the crushed stones is that materials are poured into a screening box through a feeding pipe, then screening is carried out through a first screen plate, then large particles directly flow into a first collecting box from a first discharging hole through the vibration of a vibration motor, then medium particles are screened through the vibration of a second screen plate and the vibration motor, then flow into a second collecting box through a second discharging hole, screening is carried out for the third time through a screen mesh, and then are discharged from a discharging pipe, so that the work is finished. However, the following disadvantages also exist:

1. the discharge pipe is positioned between the supporting legs of the device, so that the collection of broken stones is not facilitated, and meanwhile, the supporting legs are easy to block, so that the device is not smooth to move;

2. the broken stone directly falls on the sieve through the inlet pipe, fragile sieve.

Therefore, it is necessary to provide a multi-stage screening device for road maintenance gravel to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The present invention has been developed in order to solve the problems associated with the conventional screening devices that are not conducive to the collection of crushed stone, and a brief summary of the utility model is provided below in order to provide a basic understanding of some aspects of the utility model. It should be understood that this summary is not an exhaustive overview of the utility model. It is not intended to determine the key or critical elements of the present invention, nor is it intended to limit the scope of the present invention.

The technical scheme of the utility model is as follows:

a multi-stage screening device for road maintenance gravels comprises a protective shell, a screening device and a grading material box, the protective shell comprises a shell body, a side inlet, a grading discharge hole, a bottom discharge barrel, supporting legs and a bottom screen, be provided with in the casing to individual vertical setting screening plant, the side entry is installed in the upper portion side of casing and is stretched into the casing, the end slope setting of stretching into of side entry, the end that stretches into of side entry corresponds the setting with screening plant, protective housing lateral wall corresponds the position with screening plant and is provided with hierarchical discharge gate, hierarchical workbin is located the outside of casing, the bottom of casing is provided with the bottom play feed cylinder, the discharge gate that the bottom goes out the feed cylinder is located the side of casing, the bottom screen cloth is installed to the inner wall that the bottom goes out the feed cylinder, the downside array of casing is provided with four the landing leg, the downside of hierarchical discharge gate, the downside correspondence of bottom play feed cylinder are provided with hierarchical workbin.

Preferably: the protective shell further comprises an inclined baffle, the inclined baffle is obliquely arranged above the bottom screen, and the inclined baffle is connected with the bottom discharging barrel.

Preferably: the screening device comprises a vibration motor, a screen, a side baffle, an elastic supporting piece, a fixed frame and a vibration frame, wherein the fixed frame and the vibration frame are connected through the elastic supporting piece, the vibration frame is provided with the vibration motor and the side baffle, the side baffle is internally provided with the screen, and the fixed frame is connected with the shell.

Preferably: the side shield is the U type, and the opening side of side shield corresponds the setting with hierarchical discharge gate.

Preferably: the protective shell further comprises a mounting frame, the mounting frame is arranged in the shell and connected with the shell, and the fixed frame is connected with the mounting frame through bolts.

Preferably: still include to remove the wheel, remove the wheel with the landing leg is connected.

Preferably: the lower part of the supporting leg is in threaded connection with a positioning screw rod.

Preferably: the protective shell further comprises a top feeding cover plate, a feeding opening is formed in the upper portion of the shell, the top feeding cover plate is arranged on the feeding opening, and a handle is arranged on the upper portion of the top feeding cover plate.

The utility model has the following beneficial effects:

in the device, the medium crushed stone enters the side inlet, is firstly contacted with the bottom of the extending end of the side inlet to play a role of buffering, then falls into the screen on the upper part, the vibration motor is started, the vibration frame utilizes the elastic support of the elastic support piece to support and drive the screen to vibrate, the large crushed stone enters the grading bin on the upper part through the discharge port on the upper part, the medium crushed stone passes through the screen on the upper part and falls onto the screen on the middle part to be screened again, the medium crushed stone enters the grading bin on the middle part, the small crushed stone passes through the screen on the middle part and falls into the inclined baffle to be buffered, and then slides onto the inclined plate side of the bottom screen, the small crushed stone slides to the bottom screen along the inclined plate and passes through the bottom screen and falls into the grading bin on the lower part from the discharge port of the bottom discharge cylinder, the protection device prolongs the service life of parts, is convenient for sorting and collecting the crushed stone, and simultaneously the supporting legs cannot be buried, the movement is convenient;

this device can utilize to remove the wheel and remove the device to required position according to on-the-spot actual conditions, and rotatory positioning screw makes the device fixed, prevents that the device from producing the displacement when vibrations, ensures construction place's safety.

Drawings

FIG. 1 is a schematic structural view of a multi-stage road maintenance gravel screening device;

FIG. 2 is a perspective view of the shield shell;

figure 3 is a perspective view of the screening device;

in the figure, 1-a protective shell, 2-a screening device, 3-a grading bin, 4-a moving wheel, 11-a shell, 12-a side inlet, 13-a top feeding cover plate, 14-a grading discharge port, 15-a bottom discharge barrel, 16-supporting legs, 17-a mounting frame, 18-a bottom screen, 19-an inclined baffle, 21-a vibration motor, 22-a screen, 23-a side baffle, 24-an elastic supporting piece, 25-a fixed frame and 26-a vibration frame.

Detailed Description

In order that the objects, aspects and advantages of the utility model will become more apparent, the utility model will be described by way of example only, and in connection with the accompanying drawings. It is to be understood that such description is merely illustrative and not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The connection mentioned in the utility model is divided into fixed connection and detachable connection, the fixed connection is non-detachable connection and includes but is not limited to folding edge connection, rivet connection, bonding connection, welding connection and other conventional fixed connection modes, the detachable connection includes but is not limited to threaded connection, snap connection, pin connection, hinge connection and other conventional detachment modes, when the specific connection mode is not clearly limited, at least one connection mode can be found in the existing connection modes by default to realize the function, and the skilled person can select according to the needs. For example: the fixed connection selects welding connection, and the detachable connection selects hinge connection.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The first embodiment is as follows: the present embodiment is described with reference to fig. 1-3, the multi-stage screening device for road maintenance gravels of the present embodiment comprises a protective casing 1, a screening device 2 and a classification bin 3, the protective casing 1 comprises a casing 11, a side inlet 12, a classification discharge port 14, a bottom discharge barrel 15, support legs 16 and a bottom screen 18, the screening device 2 is arranged in the casing 11, the side inlet 12 is installed on the upper side of the casing 11 and extends into the casing 11, the extending end of the side inlet 12 is obliquely arranged, the extending end of the side inlet 12 corresponds to the screening device 2, the classification discharge port 14 is arranged on the side wall of the protective casing 1 corresponding to the screening device 2, a placing plate is welded on the casing 11, the classification bin 3 is placed on the placing plate, the opening of the classification bin 3 is arranged on the position corresponding to the classification discharge port 14, the bottom discharge barrel 15 is arranged at the bottom of the casing 11, the discharge gate of bottom ejection of compact section of thick bamboo 15 is located the side of casing 11, and the discharge gate downside of bottom ejection of compact section of thick bamboo 15 is provided with hierarchical workbin 3, and the rubble after being convenient for sieve is collected, and the discharge gate top of bottom ejection of compact section of thick bamboo 15 is provided with bottom screen cloth 18, and the downside array of casing 11 is provided with four landing leg 16, screening plant 2 includes vibrating motor 21, screen cloth 22, side shield 23, elastic support piece 24, fixed frame 25 and vibration frame 26 pass through elastic support piece 24 and connect, are provided with vibrating motor 21 and side shield 23 on the vibration frame 26, are provided with screen cloth 22 in the side shield 23, and fixed frame 25 is connected with casing 11.

The second embodiment is as follows: the present embodiment is described with reference to fig. 1 to fig. 3, the multi-stage screening device for road maintenance broken stones of the present embodiment includes a protective casing 1, a screening device 2 and a classification bin 3, the protective casing 1 includes a casing 11, a side inlet 12, a classification discharge port 14, a bottom discharge cylinder 15, support legs 16 and a bottom screen 18, the screening device 2 is disposed in the casing 11, the side inlet 12 is installed on the upper side of the casing 11 and extends into the casing 11, the end of the side inlet 12 is disposed obliquely, the screening device 2 is disposed obliquely in the casing 11, the end of the side inlet 12 is disposed corresponding to the high end of the screening device 2, the classification discharge port 14 is disposed on the sidewall of the protective casing 1 corresponding to the low end of the screening device 2, the classification bin 3 is disposed on the lower side of the classification discharge port 14, the classification bin 3 is disposed on the outer side of the casing 11, the bottom of the shell 11 is provided with a bottom discharge barrel 15, a discharge port of the bottom discharge barrel 15 is positioned on the side surface of the shell 11, a bottom screen 18 is arranged above the discharge port of the bottom discharge barrel 15, four support legs 16 are arranged on the lower side of the shell 11 in an array manner, the protective shell 1 further comprises an inclined baffle 19, the inclined baffle 19 is obliquely arranged above the bottom screen 18, the inclined baffle 19 is connected with the bottom discharge barrel 15, the screening device 2 comprises a vibration motor 21, a screen 22, a side baffle 23, an elastic support member 24, a fixed frame 25 and a vibration frame 26, the fixed frame 25 and the vibration frame 26 are connected through the elastic support member 24, the vibration frame 26 is provided with the vibration motor 21 and the side baffle 23, the side baffle 23 is U-shaped, a U-shaped opening of the side baffle 23 is correspondingly arranged with the grading discharge port 14, and the screen 22 is arranged in the side baffle 23, the protective shell 1 further comprises a mounting frame 17, the mounting frame 17 is arranged in the shell 11 and connected with the shell 11, the fixed frame 25 is in bolted connection with the mounting frame 17, the protective shell 1 further comprises a top feeding cover plate 13, a feeding port is formed in the upper portion of the shell 11, the top feeding cover plate 13 is arranged on the feeding port, and a handle is arranged on the upper portion of the top feeding cover plate 13; broken stones enter the side inlet 12, firstly contact with the bottom of the extending end of the side inlet 12 to play a role of buffering, then fall into the screen 22 at the upper part, the vibration motor 21 is started, the vibration frame 26 drives the screen 22 to vibrate by utilizing the elastic support of the elastic support member 24, large broken stones enter the grading bin 3 at the upper part through the discharge port 14 at the upper part, medium broken stones pass through the screen 22 at the upper part and fall onto the screen 22 at the middle part for re-screening, medium broken stones enter the grading bin 3 at the middle part, small broken stones pass through the screen 22 at the middle part and fall onto the inclined baffle plate 19 for buffering, then slide onto the inclined plate side of the bottom screen 18, small broken stones slide to the bottom screen 18 along the inclined plate and fall into the grading bin 3 at the lower part from the discharge port of the bottom discharge barrel 15 through the bottom screen 18, the protection device increases the service life of parts, the crushed stones can be conveniently sorted and collected, and meanwhile, the supporting legs 16 cannot be buried.

The third concrete implementation mode: the present embodiment is described with reference to fig. 1 to fig. 3, the multi-stage screening device for road maintenance gravels of the present embodiment comprises a protective casing 1, a screening device 2 and a classification bin 3, the protective casing 1 comprises a casing 11, a side inlet 12, a classification discharge port 14, a bottom discharge barrel 15, support legs 16 and a bottom screen 18, the screening device 2 is arranged in the casing 11 in a longitudinal direction, and plays a role of dust fall, the side inlet 12 is installed on the upper side of the casing 11 and extends into the casing 11, the extending end of the side inlet 12 is arranged in an inclined manner, the extending end of the side inlet 12 corresponds to the screening device 2, a classification discharge port 14 is arranged on the side wall of the protective casing 1 corresponding to the screening device 2, the classification bin 3 is arranged on the lower side of the classification discharge port 14, the classification bin 3 is located on the outer side of the casing 11, the bottom of the casing 11 is provided with the bottom discharge barrel 15, the discharge port of the bottom discharge barrel 15 is located on the side face of the shell 11, a bottom screen 18 is arranged above the discharge port of the bottom discharge barrel 15, four support legs 16 are arranged on the lower side of the shell 11 in an array mode, the protective shell 1 further comprises an inclined baffle 19, the inclined baffle 19 is obliquely arranged above the bottom screen 18, the inclined baffle 19 is connected with the bottom discharge barrel 15, the screening device 2 comprises a vibration motor 21, a screen 22, a side baffle 23, an elastic support piece 24, a fixed frame 25 and a vibration frame 26, the fixed frame 25 and the vibration frame 26 are connected through the elastic support piece 24, the vibration frame 26 is provided with the vibration motor 21 and the side baffle 23, the screen 22 is arranged in the side baffle 23, the fixed frame 25 is connected with the shell 11, the side baffle 23 is U-shaped, the opening side of the side baffle 23 corresponds to the grading discharge port 14, the protective shell 1 further comprises a mounting frame 17, the mounting frame 17, the fixed frame 25 and the vibrating frame 26 are all square frames, the hollow position of the frame is correspondingly provided with a screen 22, the mounting rack 17 is arranged in the shell 11 and connected with the shell 11, the fixed frame 25 is connected with the mounting rack 17 through bolts, the moving wheel 4 is further included, the moving wheel 4 is connected with the supporting leg 16 through a steel frame, the lower part of the supporting leg 16 is connected with a positioning screw rod 10 through a thread, the protective shell 1 also comprises a top feeding cover plate 13, the upper part of the shell 11 is provided with a feeding port, the feeding port is provided with the top feeding cover plate 13, the upper part of the top feeding cover plate 13 is provided with a handle, so that the protective shell is convenient to maintain and can be used for discharging materials, according to the actual situation on site, the device is moved to a required position by the moving wheel 4, and the positioning screw rod 10 is rotated to fix the device, so that the device is prevented from being displaced during vibration, and the safety of a construction site is guaranteed.

It should be noted that, in the above embodiments, as long as the technical solutions can be aligned and combined without contradiction, those skilled in the art can exhaust all possibilities according to the mathematical knowledge of the alignment and combination, and therefore, the present invention does not describe the technical solutions after alignment and combination one by one, but it should be understood that the technical solutions after alignment and combination have been disclosed by the present invention.

The present embodiments are merely exemplary and do not limit the scope of the patent, and those skilled in the art can make modifications to the parts thereof without departing from the spirit and scope of the patent.

Claims

1. The utility model provides a multistage screening plant of highway maintenance rubble which characterized in that: including protective housing (1), screening plant (2) and hierarchical workbin (3), protective housing (1) includes casing (11), side entry (12), hierarchical discharge gate (14), bottom play feed cylinder (15), landing leg (16) and bottom screen cloth (18), be provided with in casing (11) to individual vertical setting screening plant (2), side entry (12) are installed in the upper portion side of casing (11) and are stretched into casing (11), the end slope setting of stretching into of side entry (12), the end that stretches into of side entry (12) corresponds the setting with screening plant (2), protective housing (1) lateral wall is provided with hierarchical discharge gate (14) with screening plant (2) corresponding position, hierarchical workbin (3) are located the outside of casing (11), the bottom of casing (11) is provided with bottom play feed cylinder (15), the discharge gate that bottom play feed cylinder (15) is located the side of casing (11), bottom screen cloth (18) are installed to the inner wall of bottom play feed cylinder (15), and the downside array of casing (11) is provided with four landing leg (16), the downside of hierarchical discharge gate (14), the downside of bottom play feed cylinder (15) correspond and are provided with hierarchical workbin (3).

2. The multi-stage road maintenance gravel screening device as claimed in claim 1, wherein: the protective shell (1) further comprises an inclined baffle (19), the inclined baffle (19) is obliquely arranged above the bottom screen (18), and the inclined baffle (19) is connected with the bottom discharging barrel (15).

3. The multi-stage road maintenance gravel screening device as claimed in claim 1, wherein: screening plant (2) are including shock dynamo (21), screen cloth (22), side shield (23), elastic support piece (24), fixed frame (25) and vibrations frame (26) are connected through elastic support piece (24), are provided with shock dynamo (21) and side shield (23) on vibrations frame (26), are provided with screen cloth (22) in side shield (23), and fixed frame (25) are connected with casing (11).

4. The multi-stage screening device for road maintenance gravels according to claim 3, wherein: the side baffle (23) is U-shaped, and the opening side of the side baffle (23) is arranged corresponding to the grading discharge hole (14).

5. A multi-stage road maintenance gravel screening device as claimed in claim 3 or 4, wherein: the protective shell (1) further comprises a mounting rack (17), the mounting rack (17) is arranged in the shell (11) and connected with the shell (11), and the fixed frame (25) is connected with the mounting rack (17) through bolts.

6. The multi-stage road maintenance gravel screening device as claimed in any one of claims 1 to 4, wherein: the device also comprises a moving wheel (4), wherein the moving wheel (4) is connected with the supporting leg (16).

7. The multi-stage road maintenance gravel screening device as claimed in claim 6, wherein: the lower part of the supporting leg (16) is in threaded connection with a positioning screw rod (10).

8. The multi-stage road maintenance gravel screening device as claimed in claim 1, wherein: the protective shell (1) further comprises a top feeding cover plate (13), a feeding hole is formed in the upper portion of the shell (11), the top feeding cover plate (13) is arranged on the feeding hole, and a handle is arranged on the upper portion of the top feeding cover plate (13).