CN113617661A - Screening machine for intelligently screening sand and stone for road administration construction - Google Patents

Screening machine for intelligently screening sand and stone for road administration construction Download PDF

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Publication number
CN113617661A
CN113617661A CN202110858184.5A CN202110858184A CN113617661A CN 113617661 A CN113617661 A CN 113617661A CN 202110858184 A CN202110858184 A CN 202110858184A CN 113617661 A CN113617661 A CN 113617661A
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China
Prior art keywords
screening
box
sand
screen
operation box
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Granted
Application number
CN202110858184.5A
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Chinese (zh)
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CN113617661B (en
Inventor
彭善斌
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Yili Lefeng Road And Bridge Construction Co ltd
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Individual
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B9/00Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B11/00Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/02Arrangement of air or material conditioning accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B11/00Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/06Feeding or discharging arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B7/00Selective separation of solid materials carried by, or dispersed in, gas currents
    • B07B7/06Selective separation of solid materials carried by, or dispersed in, gas currents by impingement against sieves

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  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention relates to a sand screening machine, in particular to a screening machine for intelligently screening sand and stone for road administration construction. The invention provides a screening machine for intelligently screening sand and stones for road administration construction, which can realize automatic screening of sand and stones, automatic pushing of stones and noise reduction. The utility model provides a screening machine of intelligent screening gravel and sand for road administration construction, includes: the upper side in the operation box is provided with a first screen in a sliding manner; the discharging frame is arranged at the lower part of the operating box in a sliding manner; the upper part of the operation box is provided with a first feeding plate; the upper side in the operation box is provided with a screening mechanism; discharging mechanism, the inside upside of control box is equipped with discharging mechanism. According to the sand screening device, the first screen moves forwards and backwards, so that the first screen screens sand and stone, fine sand falls into the discharging frame through the first screen, and stone blocks are left on the first screen, so that the effect of screening sand and stone by the first screen is achieved.

Description

Screening machine for intelligently screening sand and stone for road administration construction
Technical Field
The invention relates to a sand screening machine, in particular to a screening machine for intelligently screening sand and stone for road administration construction.
Background
Highway engineering refers to the work of exploration, measurement, design, construction, maintenance, management, etc. of highway structures, including roadbeds, pavements, bridges, culverts, tunnels, drainage systems, safety protection facilities, greening and traffic monitoring facilities, and houses, workshops, and other service facilities used for construction, maintenance, and monitoring.
Traditional gravel and sand screening mode falls on the filter screen through the workman, make the filter screen filter gravel and sand, fine sand drops subaerial through the screen cloth, the stone is then left over on the filter screen, at this in-process, the workman need shake the filter screen, not only increase workman's job task like this, accelerate the physical demands to the workman simultaneously, and the stone of screening out needs the manual transport of workman, injure the workman by a crashing object easily at the in-process of transport, simultaneously, the noise that the transport stone sent is great, disturb near resident easily.
Therefore, the intelligent screening machine for screening the sand and the stone for the road administration construction is designed, and the screening machine can automatically screen the sand and the stone, automatically push the stone and reduce noise.
Disclosure of Invention
In order to overcome the defects that the traditional sand and stone screening machine cannot automatically screen sand and stone, cannot automatically push stone and cannot reduce noise, the invention provides the intelligent sand and stone screening machine for road administration construction, which can automatically screen sand and stone, automatically push stone and reduce noise.
The invention is realized in this way, a screening machine for intelligently screening sand and stone for road administration construction, comprising:
the upper side in the operation box is provided with a first screen in a sliding manner;
the discharging frame is arranged at the lower part of the operating box in a sliding manner;
the upper part of the operation box is provided with a first feeding plate;
the upper side in the operation box is provided with a screening mechanism;
the discharging mechanism is arranged on the upper side inside the operating box;
and the discharging mechanism is provided with a blowing mechanism.
Further, the screening mechanism includes:
the driving motor is arranged in the operation box;
the cam is arranged on an output shaft of the driving motor and matched with the first screen;
the two sides of the operating box are respectively wound with a first spring, and the two ends of the first spring are respectively connected with the operating box and the first screen;
the first pressure sensor is arranged on the first screen;
and a second pressure sensor is arranged on the discharge frame.
Further, discharge mechanism includes:
the discharging plates are arranged on the two sides of the operation box;
the upper parts of the two discharging plates are respectively and rotatably provided with a second feeding plate;
and the two sides of the two second feeding plates are wound with second springs, and the two ends of each second spring are connected with the discharge plate and the second feeding plate respectively.
Further, blow material mechanism includes:
the middle inside the operation box is provided with an air pump;
the air pump is provided with an air outlet pipeline;
the second screen is arranged in the operation box.
As a preferable aspect of the present invention, the pushing mechanism includes:
the first electric push rod is arranged on the operation box;
the second electric push rod is arranged on the operation box;
the first electric push rod telescopic rod and the second electric push rod telescopic rod are respectively provided with a movable rod, and the movable rods are connected with the operation box in a sliding manner;
the two movable rods are provided with push plates;
and the two sides of the two movable rods are wound with third springs, and the two ends of each third spring are connected with the operating box and the push plate respectively.
As a preferred technical solution of the present invention, the material taking mechanism includes:
the sliding sleeves are arranged on two sides of the lower part of the operating box;
the electromagnet is connected between the two sliding sleeves in a sliding manner;
the fourth springs are wound on the two sides of the electromagnet, and the two ends of each fourth spring are connected with the electromagnet and the sliding sleeve respectively;
and the lower part of the operation box is provided with a third pressure sensor.
As a preferable aspect of the present invention, the noise reduction mechanism includes:
the rotating shafts are rotatably arranged on two sides of the upper part of the operating box;
the two rotating shafts are provided with a plurality of speed reducing blocks;
and the two sides of the two rotating shafts are wound with the torsion springs, and the two ends of each torsion spring are respectively connected with the operating box and the speed reducing block.
As a preferred technical scheme of the invention, the middle part of the operation box is provided with the control box, the control box is internally provided with the switching power supply, the control module and the power module, the switching power supply supplies power for the intelligent screening machine for screening sand and stone for road administration construction, the output end of the switching power supply is electrically connected with the power module, the power module is connected with the power main switch through a circuit, and the control module is electrically connected with the power module; the control module is connected with a DS1302 clock circuit and a 24C02 circuit, the first pressure sensor, the second pressure sensor and the third pressure sensor are electrically connected with the control module, and the driving motor, the air pump, the first electric push rod, the second electric push rod and the electromagnet are connected with the control module through the relay control module.
The invention provides a screening machine for intelligently screening sand and stones for road administration construction, which has the following beneficial effects:
1. according to the sand screening device, the first screen is enabled to screen sand and stone through the back-and-forth movement of the first screen, fine sand falls into the discharging frame through the first screen, and stone blocks are left on the first screen, so that the sand and stone screening effect of the first screen is realized;
2. according to the automatic stone pushing device, after the pushing plate moves to be in contact with stones, the pushing plate pushes the stones onto the second feeding plate, so that the stones fall on the ground through the discharging plate, and the effect of automatically pushing the stones is achieved;
3. according to the invention, the electromagnet moves upwards to be in contact with the operation box, the fourth spring is compressed, so that the outlet of the operation box is opened, and a user collects and processes the fine sand with larger volume, thereby realizing the effect of collecting the fine sand with larger volume;
4. according to the invention, the speed of the stone is reduced through the speed reducing block, so that the falling speed of the stone is reduced, the sound generated when the stone impacts the ground is reduced, and the effect of reducing the sound of the stone by the speed reducing block is realized.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a schematic view of a first partial body structure according to the present invention.
FIG. 3 is a schematic view of a second partial body structure according to the present invention.
Fig. 4 is a perspective view of a third embodiment of the present invention.
Figure 5 is a schematic view of a first partial body configuration of the screening mechanism of the present invention.
Figure 6 is a schematic view of a second partial body configuration of the screening mechanism of the present invention.
Figure 7 is a schematic perspective view of a third portion of the screening mechanism of the present invention.
Fig. 8 is a schematic view of a first partially-separated body structure of the discharging mechanism of the present invention.
Fig. 9 is a schematic view of a second partial body structure of the discharging mechanism of the present invention.
Fig. 10 is a schematic view of a first partially separated body structure of the blowing mechanism of the present invention.
FIG. 11 is a schematic view of a second partial body structure of the blowing mechanism of the present invention.
Fig. 12 is a schematic view of a first partial body structure of the pushing mechanism of the present invention.
Fig. 13 is a schematic view of a second partial body structure of the pushing mechanism of the present invention.
Fig. 14 is a schematic view of a first partial body structure of a take-off mechanism of the present invention.
Fig. 15 is a schematic view of a second partial body configuration of the take-off mechanism of the present invention.
Fig. 16 is a schematic perspective view of the noise reduction mechanism of the present invention.
Fig. 17 is a circuit block diagram of the present invention.
Fig. 18 is a schematic circuit diagram of the present invention.
Reference numerals: 1_ operation box, 11_ first screen, 12_ discharge frame, 2_ control box, 3_ first feeding plate, 4_ screening mechanism, 41_ driving motor, 42_ cam, 43_ first spring, 44_ first pressure sensor, 45_ second pressure sensor, 5_ discharge mechanism, 51_ discharge plate, 52_ second feeding plate, 53_ second spring, 6_ blowing mechanism, 61_ air pump, 62_ second screen, 63_ air outlet pipe, 7_ pushing mechanism, 71_ first electric push rod, 72_ movable rod, 73_ third spring, 74_ push plate, 75_ second electric push rod, 8_ material taking mechanism, 81_ electromagnet, 82_ fourth spring, 83_ sliding sleeve, 84_ third pressure sensor, 9_ noise reduction mechanism, 91_ rotating shaft, 92_ speed reduction block, 93_ torsion spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-18, the present invention provides a technical solution: the utility model provides a screening machine of intelligent screening gravel and sand for road administration construction, including control box 1, first screen cloth 11, ejection of compact frame 12, first feed plate 3, screening mechanism 4, discharge mechanism 5 and blow material mechanism 6, the 1 inside upside slidingtype of control box is equipped with first screen cloth 11, the 1 rear side lower part slidingtype of control box is equipped with ejection of compact frame 12, 1 front side upper portion of control box is equipped with first feed plate 3, the 1 inside upside of control box is equipped with screening mechanism 4, the 1 inside upside of control box is equipped with discharge mechanism 5, be equipped with on discharge mechanism 5 and blow material mechanism 6.
Screening mechanism 4 is including driving motor 41, cam 42, first spring 43, first pressure sensor 44 and second pressure sensor 45, driving motor 41 is installed to the inside rear side of control box 1, be equipped with cam 42 on the 41 output shaft of driving motor, cam 42 and the cooperation of first screen cloth 11, the control box 1 upper portion left and right sides all has around first spring 43, first spring 43 both ends are connected with control box 1 and first screen cloth 11 respectively, be equipped with first pressure sensor 44 on the first screen cloth 11, be equipped with second pressure sensor 45 on ejection of compact frame 12.
Discharge mechanism 5 is including going out flitch 51, second feed plate 52 and second spring 53, and the operation panel 51 all is equipped with out the flitch in 1 upper portion left and right sides of operation, and two equal rotary types in play flitch 51 upper portion are equipped with second feed plate 52, and both sides are all around having second spring 53 around two second feed plates 52, and second spring 53 both ends are connected with going out flitch 51 and second feed plate 52 respectively.
Blowing mechanism 6 is including air pump 61, second screen cloth 62 and pipeline 63 of giving vent to anger, installs air pump 61 in the middle of the operation box 1 is inside, is equipped with pipeline 63 of giving vent to anger on the air pump 61, and the inside rear side of operation box 1 is equipped with second screen cloth 62.
Still including pushing mechanism 7, pushing mechanism 7 is including first electric putter 71, the movable rod 72, third spring 73, push pedal 74 and second electric putter 75, first electric putter 71 is installed on operation box 1 rear portion right side, second electric putter 75 is installed in operation box 1 rear portion left side, all be equipped with movable rod 72 on first electric putter 71 telescopic link and the second electric putter 75 telescopic link, movable rod 72 and operation box 1 sliding type connection, all be equipped with push pedal 74 on two movable rods 72, both sides all around having third spring 73 around two movable rods 72, third spring 73 both ends are connected with operation box 1 and push pedal 74 respectively.
Still including the extracting mechanism 8, extracting mechanism 8 is including electro-magnet 81, fourth spring 82, sliding sleeve 83 and third pressure sensor 84, and the operating box 1 lower part left and right sides all is equipped with sliding sleeve 83, and sliding connection has electro-magnet 81 between two sliding sleeves 83, and the electro-magnet 81 upper portion left and right sides all has around fourth spring 82, and fourth spring 82 both ends are connected with electro-magnet 81 and sliding sleeve 83 respectively, and the operating box 1 lower part is equipped with third pressure sensor 84.
Still including making an uproar mechanism 9 falls, fall and make an uproar mechanism 9 including rotation axis 91, speed reduction piece 92 and torsion spring 93, the equal rotary type in the upper portion left and right sides of control box 1 is equipped with rotation axis 91, all is equipped with a plurality of speed reduction pieces 92 on two rotation axes 91, both sides are all around having torsion spring 93 around two rotation axes 91, torsion spring 93 both ends are connected with the speed reduction piece 92 in control box 1 and the outside respectively.
The intelligent screening machine for the intelligent screening of the sand and stone for the road administration construction is characterized by further comprising a control box 2, the control box 2 is installed in the middle of the front side of the operation box 1, a switch power supply, a control module and a power module are installed in the control box 2, the switch power supply supplies power for the intelligent screening machine for the sand and stone for the road administration construction, the output end of the switch power supply is electrically connected with the power module, the power module is connected with a power main switch through a circuit, and the control module is electrically connected with the power module; the control module is connected with a DS1302 clock circuit and a 24C02 circuit, the first pressure sensor 44, the second pressure sensor 45 and the third pressure sensor 84 are all electrically connected with the control module, and the driving motor 41, the air pump 61, the first electric push rod 71, the second electric push rod 75 and the electromagnet 81 are all connected with the control module through a relay control module.
The working principle of the invention is that when people want to screen sand, the intelligent screening machine for screening sand and stone for road administration construction can be used, firstly, a user presses a power master switch to electrify the device, the user pours the sand and stone on a first screen mesh 11 through a first feeding plate 3, when the weight of the sand and stone reaches the preset value of a screening mechanism 4, a control module controls the operation of the screening mechanism 4 to screen the sand and stone, fine sand falls through the first screen mesh 11, stone remains on the first screen mesh 11, meanwhile, the control module controls a material blowing mechanism 6 to operate to enable the material blowing mechanism 6 to generate airflow which blows the fine sand, the material blowing mechanism 6 screens the fine sand to enable the fine sand with smaller volume to fall on a material outlet frame 12 through the material blowing mechanism 6, the fine sand with larger volume falls in an operation box 1, when the less fine sand weight of volume reaches screening mechanism 4's default in ejection of compact frame 12, make control module control screening mechanism 4 with blow and expect that mechanism 6 stops operating, the user stimulates ejection of compact frame 12 backward, thereby open ejection of compact frame 12 inside, the user collects the less fine sand of volume afterwards, the less fine sand of volume is collected and is accomplished the back, the user promotes ejection of compact frame 12 forward and resumes the normal position, the user promotes the stone with the help of the instrument after that, make the stone promoted on ejection of compact mechanism 5, the stone drops subaerial through ejection of compact mechanism 5, the gravel screening is accomplished the back, the user presses power master switch once more, cut off the power supply with this device.
After a user pours gravel and sand on the first screen 11, when the weight of the gravel and sand reaches the preset value of the first pressure sensor 44, the control module controls the driving motor 41 to work, the output shaft of the driving motor 41 drives the cam 42 to rotate, the convex part of the cam 42 rotates to contact with the first screen 11, so as to drive the first screen 11 to move forward, the first spring 43 is stretched, when the convex part of the cam 42 rotates to separate from the first screen 11, the first spring 43 resets, so as to drive the first screen 11 to move backward, through the forward and backward movement of the first screen 11, the first screen 11 screens the gravel and sand, the fine sand drops in the discharging frame 12 through the first screen 11, stones can be left on the first screen 11, when the weight of the fine sand in the discharging frame 12 reaches the preset value of the second pressure sensor 45, the control module controls the driving motor 41 to stop working, whereupon the first screen 11 stops screening the sand.
After the stone screening is accomplished, the user promotes first screen cloth 11 stone with the help of the instrument on second feed plate 52, receives the influence of stone self weight, thereby drive second feed plate 52 and rotate downwards, second spring 53 twists reverse deformation, thereby open out inside flitch 51, make the stone pass through out flitch 51 landing subaerial, after the stone breaks away from second feed plate 52, second spring 53 resets, thereby drive second feed plate 52 upwards rotate to the recovery normal position, thereby close out inside flitch 51.
When the weight of the sand reaches the preset value of the first pressure sensor 44, the control module controls the air pump 61 to work, the air flow generated by the air pump 61 is ejected through the air outlet pipe 63, when the fine sand falls through the first screen 11, the air flow blows the fine sand, the fine sand is blown on the second screen 62, the second screen 62 screens the fine sand, the fine sand with small volume falls in the discharging frame 12 through the second screen 62, the fine sand with large volume falls in the operation box 1, and when the weight of the fine sand with small volume in the discharging frame 12 reaches the preset value of the second pressure sensor 45, the control module controls the air pump 61 to stop working, and the air pump 61 stops generating the air flow.
After the stone is screened, when the weight of the fine sand with smaller volume in the discharging frame 12 reaches the preset value of the second pressure sensor 45, the control module controls the first electric push rod 71 and the second electric push rod 75 to work for two seconds and then close, the telescopic rod of the first electric push rod 71 extends rightwards, the telescopic rod of the second electric push rod 75 extends leftwards, the telescopic rod of the first electric push rod 71 drives the right movable rod 72 and the right push plate 74 to move rightwards, the right third spring 73 is compressed, the telescopic rod of the second electric push rod 75 drives the left movable rod 72 and the left push plate 74 to move leftwards, the left third spring 73 is compressed, after the push plate 74 moves to contact with the stone, the push plate 74 pushes the stone onto the second feeding plate 52, so that the stone falls on the ground through the discharging plate 51, when the weight of the fine sand with smaller volume in the discharging frame 12 is smaller than the preset value of the second pressure sensor 45, the control module controls the first electric push rod 71 and the second electric push rod 75 to work for two seconds and then to be closed, the telescopic rod of the first electric push rod 71 is shortened leftwards, the telescopic rod of the second electric push rod 75 is shortened rightwards, the telescopic rod of the first electric push rod 71 drives the right movable rod 72 and the right push plate 74 to move leftwards, the right third spring 73 is reset, the telescopic rod of the second electric push rod 75 drives the left movable rod 72 and the left push plate 74 to move rightwards, and the left third spring 73 is reset.
The great fine sand of volume drops behind operation box 1, when the weight of the great fine sand of volume reaches the default of third pressure sensor 84, make control module control electro-magnet 81 circular telegram, the magnetic force that electro-magnet 81 produced adsorbs operation box 1, make electro-magnet 81 upward movement to contact with operation box 1, fourth spring 82 is compressed, thereby open operation box 1 export, the user collects the processing to the great fine sand of volume again, when the weight of the great fine sand of volume is less than the default of third pressure sensor 84, make control module control electro-magnet 81 time delay 5 seconds outage, fourth spring 82 resets, thereby drive electro-magnet 81 downstream to resume the normal position, thereby close operation box 1 export.
The stone drops on a flitch 51 back, receive the influence of play flitch 51 self angle, make the stone lapse, the stone lapse to with the contact of deceleration piece 92 after, thereby drive deceleration piece 92 and rotation axis 91 and rotate, torsion spring 93 twists reverse deformation, deceleration piece 92 slows down to the stone, thereby reduce the speed of stone whereabouts, reduce the sound that stone striking ground produced simultaneously, the stone breaks away from behind deceleration piece 92, torsion spring 93 resets, thereby drive deceleration piece 92 and rotation axis 91 reverse rotation to the recovery normal position.
While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. The scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.

Claims (8)

1. The utility model provides a screening machine of intelligent screening gravel and sand for road administration construction, characterized by includes:
the device comprises an operation box (1), wherein a first screen (11) is arranged on the upper side inside the operation box (1) in a sliding manner;
the discharging frame (12) is arranged at the lower part of the operating box (1) in a sliding way;
the upper part of the operation box (1) is provided with a first feeding plate (3);
the screening mechanism (4) is arranged on the upper side inside the operation box (1);
the discharging mechanism (5) is arranged on the upper side inside the operating box (1);
the material blowing mechanism (6) is arranged on the discharging mechanism (5).
2. The screening machine for intelligently screening sand and stone for road construction according to claim 1, wherein the screening mechanism (4) comprises:
the driving motor (41), the driving motor (41) is installed in the operation box (1);
the cam (42) is arranged on an output shaft of the driving motor (41), and the cam (42) is matched with the first screen (11);
the two sides of the operating box (1) are respectively wound with the first springs (43), and two ends of each first spring (43) are respectively connected with the operating box (1) and the first screen (11);
the first pressure sensor (44) is arranged on the first screen (11);
and a second pressure sensor (45) is arranged on the discharging frame (12).
3. The screening machine for intelligently screening sand and stone for road administration according to claim 2, wherein the discharging mechanism (5) comprises:
the discharging plates (51) are arranged on the two sides of the operating box (1);
the upper parts of the two discharging plates (51) are respectively and rotatably provided with a second feeding plate (52);
the two sides of the second spring (53) are wound on the two second feeding plates (52), and the two ends of the second spring (53) are respectively connected with the discharging plate (51) and the second feeding plates (52).
4. A screening machine for intelligent screening of sand and stone for road administration according to claim 3, wherein said blowing means (6) comprises:
the air pump (61), the middle of the inside of the operation box (1) is provided with the air pump (61);
an air outlet pipeline (63) is arranged on the air pump (61);
a second screen (62), wherein the second screen (62) is arranged in the operation box (1).
5. The screening machine for intelligently screening sands and stones for road administration construction according to claim 4, further comprising a pushing mechanism (7), wherein the pushing mechanism (7) comprises:
the first electric push rod (71), the first electric push rod (71) is arranged on the operation box (1);
the second electric push rod (75) is arranged on the operation box (1);
the movable rods (72) are arranged on the telescopic rods of the first electric push rod (71) and the second electric push rod (75), and the movable rods (72) are connected with the operation box (1) in a sliding manner;
the push plates (74) are arranged on the two movable rods (72);
and the third springs (73) are wound on the two sides of the two movable rods (72), and the two ends of each third spring (73) are respectively connected with the operation box (1) and the push plate (74).
6. The screening machine for intelligently screening sands and stones for road administration construction according to claim 5, further comprising a material taking mechanism (8), wherein the material taking mechanism (8) comprises:
the sliding sleeve (83), the sliding sleeve (83) is arranged on both sides of the lower part of the operation box (1);
the electromagnet (81) is connected between the two sliding sleeves (83) in a sliding manner;
the fourth springs (82) are wound on the two sides of the upper part of the electromagnet (81), and the two ends of each fourth spring (82) are respectively connected with the electromagnet (81) and the sliding sleeve (83);
and a third pressure sensor (84), wherein the lower part of the operation box (1) is provided with the third pressure sensor (84).
7. The screening machine for intelligently screening sands and stones for road administration construction according to claim 6, further comprising a noise reduction mechanism (9), wherein the noise reduction mechanism (9) comprises:
the rotating shafts (91) are rotatably arranged on both sides of the upper part of the operating box (1);
a plurality of speed reducing blocks (92) are arranged on the two rotating shafts (91);
the two sides of the two rotating shafts (91) are wound with the torsion springs (93), and the two ends of each torsion spring (93) are respectively connected with the operating box (1) and the speed reducing block (92).
8. The screening machine for intelligently screening the sands and the stones for the road administration construction according to claim 7 is characterized by further comprising a control box (2), the control box (2) is installed in the middle of the control box (1), a switch power supply, a control module and a power module are installed in the control box (2), the switch power supply supplies power to the screening machine for intelligently screening the sands and the stones for the road administration construction, the output end of the switch power supply is electrically connected with the power module, the power module is connected with a power main switch through a circuit, and the control module is electrically connected with the power module; the control module is connected with a DS1302 clock circuit and a 24C02 circuit, the first pressure sensor (44), the second pressure sensor (45) and the third pressure sensor (84) are all electrically connected with the control module, and the driving motor (41), the air pump (61), the first electric push rod (71), the second electric push rod (75) and the electromagnet (81) are all connected with the control module through the relay control module.
CN202110858184.5A 2021-07-28 2021-07-28 Intelligent sand and stone screening machine for road administration construction Active CN113617661B (en)

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