CN112058454A - Stone breaker is used in earthwork engineering construction - Google Patents

Stone breaker is used in earthwork engineering construction Download PDF

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Publication number
CN112058454A
CN112058454A CN202010863151.5A CN202010863151A CN112058454A CN 112058454 A CN112058454 A CN 112058454A CN 202010863151 A CN202010863151 A CN 202010863151A CN 112058454 A CN112058454 A CN 112058454A
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CN
China
Prior art keywords
crushing
box
sieve
level
stone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010863151.5A
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Chinese (zh)
Inventor
王大榕
汪建军
辛园庆
王星
王婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ma'anshan Yuanchen Network Technology Co ltd
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Ma'anshan Yuanchen Network Technology Co ltd
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Priority to CN202010863151.5A priority Critical patent/CN112058454A/en
Publication of CN112058454A publication Critical patent/CN112058454A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00Disintegrating plant with or without drying of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/20Disintegrating by mills having rotary beater elements ; Hammer mills with two or more co-operating rotors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26Details
    • B02C13/28Shape or construction of beater elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26Details
    • B02C13/30Driving mechanisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/18Knives; Mountings thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/24Drives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/10Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/14Separating or sorting of material, associated with crushing or disintegrating with more than one separator
    • 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
    • B07B1/34Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
    • B07B1/343Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
    • 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
    • B07B2201/00Details applicable to machines for screening using sieves or gratings
    • B07B2201/04Multiple deck screening devices comprising one or more superimposed screens

Abstract

The invention discloses a stone crushing device for earthwork construction, which comprises a primary crushing box and a secondary crushing box, wherein connecting columns which are uniformly distributed are fixedly arranged between the bottom of the primary crushing box and the top of the secondary crushing box, the top wall in the primary crushing box is fixedly communicated with two symmetrical discharging funnels, two side surfaces of the primary crushing box are respectively and fixedly provided with a first motor through a fixing block, the output end of the first motor is fixedly provided with a rotating shaft, the outer surface of the rotating shaft is fixedly provided with a first gear, the outer surfaces of the rotating shaft and the rotating rod are respectively and fixedly provided with a rotating roller, and the outer surface of the rotating roller is fixedly provided with crushing cutters which are uniformly distributed. The secondary crushing device can be used for carrying out secondary crushing on the stones, so that the stones can be fully crushed, and the stones which are put into use can meet the crushing requirements.

Description

Stone breaker is used in earthwork engineering construction
Technical Field
The invention belongs to the field of earthwork engineering, relates to a stone crushing equipment technology, and particularly relates to a stone crushing device for earthwork construction.
Background
In civil engineering, the common earthwork is as follows: the ground is leveled, foundation ditch and trench excavation, road bed excavation, civil air defense engineering excavation, terrace fill soil, and road bed filling and foundation ditch backfill need rationally arrange the construction plan, do not arrange in rainy season as far as possible, simultaneously in order to reduce earthwork engineering construction cost, carry out not account for or less account for the farmland and can cultivate and be favorable to improving the principle of land and making the field, will make the reasonable allotment scheme of earthwork, overall arrangement.
Need use the stone breaker to carry out the breakage to the stone among the cubic metre of earth and stone engineering, current stone breaker only carries out the breakage once to the stone usually, and the stone is through the direct input use of broken back, and the crushing effect of stone is difficult to guarantee to this kind of mode, still exists a lot of stones that are not conform to the broken requirement in the stone of input use.
Disclosure of Invention
The invention aims to provide a stone crushing device for earthwork construction;
the technical problems to be solved by the invention are as follows:
(1) how to provide a stone crushing device which can carry out secondary crushing on stone;
(2) how to sieve the stones which are crushed for one time, and separate and output the stones which meet the crushing requirement and do not meet the crushing requirement;
(3) the pressure of the screen when the screen is used for screening stones is reduced, and the possibility of damage and blockage of the screen is reduced;
(4) how to make the screen cloth shake up and down when sieving to improve screening efficiency.
The purpose of the invention can be realized by the following technical scheme:
a stone crushing device for earthwork engineering construction comprises a primary crushing box and a secondary crushing box, wherein connecting columns which are uniformly distributed are fixedly arranged between the bottom of the primary crushing box and the top of the secondary crushing box, the top wall in the primary crushing box is fixedly communicated with two symmetrical discharging funnels, two side faces of the primary crushing box are fixedly provided with a first motor through fixing blocks, the output end of the first motor is fixedly provided with a rotating shaft, the outer surface of the rotating shaft is fixedly provided with a first gear, one end of the rotating shaft, far away from the first motor, is movably connected with the inner side wall of the primary crushing box through a bearing, two inner side walls of the primary crushing box are respectively provided with a rotating rod, one end of each rotating rod is movably connected with the inner side wall of the primary crushing box, the other end of each rotating rod penetrates through the inner wall of the primary crushing box and extends to the outside of the primary crushing box, the outer surface, located at, the second gear is meshed with the first gear, the rotating roller is fixedly mounted on the outer surface of the rotating shaft and the outer surface of the rotating rod, the crushing cutters are uniformly distributed on the outer surface of the rotating roller, a partition is fixedly mounted between the inner top wall and the inner bottom wall of the first-stage crushing box, a first sieve plate and a second sieve plate are hinged on two inner side walls of the first-stage crushing box, uniformly distributed fixing rods are hinged between the ends, close to the partition, of the first sieve plate and the second sieve plate, a first screen and a second screen are respectively arranged on the surfaces of the first sieve plate and the second sieve plate, a second motor is fixedly mounted on two side surfaces of the first-stage crushing box through the fixing blocks, a mounting rod is fixedly mounted at the output end of the second motor, one end, far away from the second motor, of the mounting rod penetrates through the inner wall of the first-stage crushing box, two symmetrical first material receiving boxes are fixedly arranged on the inner bottom wall of the primary crushing box, second material receiving boxes are fixedly arranged on the side faces, close to the two first material receiving boxes, of the two first material receiving boxes, the bottom face of each second material receiving box is fixedly connected with the inner bottom wall of the primary crushing box, the side faces, close to the two second material receiving boxes, of the two second material receiving boxes are fixedly connected with the two side faces of the partition plate respectively, a first discharge pipe is fixedly communicated with the inner bottom wall of each first material receiving box, and the bottom of each first discharge pipe penetrates through the inner bottom wall of the primary crushing box and extends to the outside of the primary crushing box;
mounting pipes are fixedly communicated between the inner top wall of the secondary crushing box and the inner bottom walls of the two second material receiving boxes, the inner wall of the back of the secondary crushing box is movably connected with two symmetrical connecting rods through a bearing, the outer surface of the connecting rod is fixedly provided with a crushing roller, the outer surface of the crushing roller is fixedly provided with evenly distributed mashing rods, the front ends of the connecting rods penetrate through the inner wall of the secondary crushing box and extend to the outside of the secondary crushing box, third gears are fixedly arranged on the outer surfaces of the two ends of the connecting rods, which are positioned at the outside of the secondary crushing box, and the two third gears are meshed with each other, the front surface of the secondary crushing box is fixedly provided with a third motor through a fixed block, the output end of the third motor is fixedly connected with the front end of one of the connecting rods, and a second discharge pipe is fixedly communicated with the bottom wall in the secondary crushing box, and a material pump is arranged at one end, close to the secondary crushing box, of the second discharge pipe.
Furthermore, the one end that first discharging pipe, installation pipe, second discharging pipe kept away from the broken case of one-level all is provided with the closable valve.
Furthermore, the crushing cutters of the four rotary rollers are distributed on the outer surfaces of the rotary rollers in a staggered mode, and the crushing cutters are not interfered with each other when the rotary rollers rotate.
Further, the two sides of the partition plate are fixedly provided with the baffle plates, one ends of the baffle plates, far away from the partition plate, are inclined downwards, and the inclination angle is fifteen degrees.
Further, the bottom of the primary crushing box is fixedly provided with uniformly distributed bases, the front surface of the primary crushing box is provided with two symmetrical box doors, and the front surface of each box door is provided with a visual window.
Further, the front inner wall of the primary crushing box is fixedly connected with the front of the first material receiving box and the front of the second material receiving box, and the back inner wall of the primary crushing box is fixedly connected with the back of the first material receiving box and the back of the second material receiving box.
Further, a sealing cover is arranged at the top of the blanking funnel.
Further, the mesh aperture value of the first screen is larger than the mesh aperture value of the second screen.
Further, a use method of the stone crushing device for earthwork construction comprises the following steps:
the first step is as follows: starting the two first motors to drive the two rotating shafts to rotate, driving the rotating rods to rotate by the two rotating shafts through the first gear and the second gear, enabling the four rotating rollers to synchronously rotate, dividing the stone into two parts, respectively pouring the two parts into the primary crushing box through the two discharging hoppers, and performing primary crushing on the stone between the rotating rollers by a crushing cutter;
the second step is that: starting a second motor, driving a cam to rotate through an installation rod, pushing a second sieve plate to move up and down when the cam rotates, driving a first sieve plate to move up and down through a fixed rod by the second sieve plate, dropping the stone after primary crushing on a screen of the first sieve plate, sieving the stone through the first screen and a second screen, enabling the stone meeting the crushing requirement to enter a first material receiving box, and enabling the stone not meeting the crushing requirement to enter a second material receiving box along the first screen and the second screen;
the third step: open first discharging pipe, the closable valve of installation pipe, the first stone that meets the broken requirement in the workbin discharges through first discharging pipe, the second connects the stone that is not conform to the broken requirement in the workbin to get into the broken incasement of second grade and carries out the second grade breakage, it rotates to start third motor and drive a connecting rod, the connecting rod that is connected with the third motor drives another connecting rod synchronous rotation through the third gear, after the stone got into the broken case of second grade, accomplish the secondary breakage under the pounding effect of the stick of pounding to pieces of two crushing rollers, open the closable valve of second discharging pipe, accomplish the broken stone of second grade in the broken incasement of second grade and discharge.
The invention has the beneficial effects that: the invention has the following beneficial effects:
1. the primary crushing box, the roller primary crushing cutter and other structures can crush the stones for the first time, and the secondary crushing box, the crushing roller and the crushing rod can crush the stones which do not meet the crushing requirement for the second time, so that the stones can be fully crushed, and the stones which are put into use can meet the crushing requirement;
2. the secondary screening can be carried out on the stones which are crushed for the first time through the arranged structures such as the first sieve plate, the first screen, the second sieve plate and the second screen, the stones which meet the crushing requirements fall into the first material receiving box through the first screen and the second screen and are directly discharged through the first discharging pipe, the stones which do not meet the crushing requirements enter the second material receiving box along the first sieve plate and the second sieve plate and enter the second crushing box through the mounting pipe for targeted secondary crushing, and the crushing efficiency of the equipment is improved;
3. the stone is divided into two parts, and the two parts enter the primary crushing box through the two discharging hoppers to be crushed respectively, the stone is divided into two parts to be sieved on the two first screens and the second screens at two sides respectively, and meanwhile, because the meshes of the first screens are larger than the meshes of the second screens, the pressure applied to the first screens and the second screens during sieving can be reduced;
4. through the second motor, the installation pole drives the cam and rotates, because the cam surface contacts with second sieve bottom surface, the cam has supporting role to the second sieve, first sieve right side is articulated mutually through the dead lever with second sieve right side simultaneously, therefore when the cam rotates, can carry out the top from top to bottom with the second sieve and move, make first sieve and second sieve shake from top to bottom simultaneously, accelerate first screen cloth, the screening efficiency of second screen cloth to the stone, reduce first screen cloth simultaneously, the possibility that the second screen cloth is blockked up.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a front cross-sectional view of the structure of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a top cross-sectional view of the first stage crush box configuration of the present invention;
fig. 4 is a front view of the structure of the present invention.
In the figure: 1. a first-stage crushing box; 2. a secondary crushing box; 3. connecting columns; 4. a discharging hopper; 5. a first motor; 6. a rotating shaft; 7. a first gear; 8. a rotating rod; 9. a second gear; 10. rotating the roller; 11. crushing a cutter; 12. a partition plate; 13. a first screen deck; 14. a second screen deck; 15. fixing the rod; 16. a first screen; 17. a second screen; 18. a second motor; 19. a cam; 20. a first material receiving box; 21. a second material receiving box; 22. a first discharge pipe; 23. installing a pipe; 24. a connecting rod; 25. a crushing roller; 26. mashing the rods; 27. a third gear; 28. a third motor; 29. a second discharge pipe; 30. a material pump; 31. a striker plate; 32. a base; 33. a box door; 34. a visible window.
Detailed Description
As shown in figures 1-4, a stone crushing device for earthwork construction comprises a first-stage crushing box 1 and a second-stage crushing box 2, connecting columns 3 which are uniformly distributed are fixedly arranged between the bottom of the first-stage crushing box 1 and the top of the second-stage crushing box 2, two symmetrical discharging funnels 4 are fixedly communicated with the top wall of the first-stage crushing box 1, first motors 5 are fixedly arranged on two side surfaces of the first-stage crushing box 1 through fixing blocks, rotating shafts 6 are fixedly arranged at the output ends of the first motors 5, first gears 7 are fixedly arranged on the outer surfaces of the rotating shafts 6, one ends of the rotating shafts 6, far away from the first motors 5, are movably connected with the inner side wall of the first-stage crushing box 1 through bearings, rotating rods 8 are arranged on two inner side walls of the first-stage crushing box 1, one ends of the rotating rods 8 are movably connected with the inner side wall of the first-stage crushing box 1, and the other ends of the rotating rods, the outer fixed surface that bull stick 8 is located the outside one end of one-level broken case 1 installs second gear 9, second gear 9 meshes with first gear 7 mutually, pivot 6 and bull stick 8 surface equal fixed mounting have a commentaries on classics roller 10, commentaries on classics roller 10 surface fixed mounting has evenly distributed's broken cutter 11, fixed mounting has baffle 12 between roof and the interior diapire in one-level broken case 1, two inside walls of one-level broken case 1 all articulate has first sieve 13, second sieve 14, it has evenly distributed's dead lever 15 to articulate between the one end that first sieve 13 and second sieve 14 are close to baffle 12, first sieve 13 and second sieve 14 surface are equipped with first screen cloth 16 and second screen cloth 17 respectively, two sides of one-level broken case 1 all have second motor 18 through fixed mounting of fixed block, second motor 18 output end fixed mounting has the installation pole, one end, far away from the second motor 18, of the mounting rod penetrates through the inner wall of the first-stage crushing box 1 and is fixedly provided with a cam 19, the top of the cam 19 is in contact with the bottom surface of the second sieve plate 14, two symmetrical first material receiving boxes 20 are fixedly arranged on the bottom wall of the first-stage crushing box 1, the side surfaces, close to the two first material receiving boxes 20, of the two first material receiving boxes are fixedly provided with second material receiving boxes 21, the bottom surface of each second material receiving box 21 is fixedly connected with the bottom wall of the first-stage crushing box 1, the side surfaces, close to the two second material receiving boxes 21, of the two second material receiving boxes are fixedly connected with the two side surfaces of the partition plate 12, the bottom wall of each first material receiving box 20 is fixedly communicated with a first discharge pipe 22, and the bottom of each first discharge pipe 22 penetrates through;
all fixed intercommunication has installation pipe 23 between the roof in secondary crushing case 2 and the bottom wall in two second material receiving boxes 21, the inner wall at the secondary crushing case 2 back has two symmetrical connecting rods 24 through bearing swing joint, connecting rod 24 external fixed surface installs crushing roller 25, crushing roller 25 external fixed surface installs evenly distributed's mashing rod 26, the connecting rod 24 front end passes the inner wall of secondary crushing case 2 and extends to the outside of secondary crushing case 2, two the surface of connecting rod 24 one end that is located the outside of secondary crushing case 2 all fixed mounting has third gear 27, two third gear 27 mesh mutually, secondary crushing case 2 openly has third motor 28 through fixed block fixed mounting, the front end fixed connection of third motor 28 output and one of them connecting rod 24, bottom wall fixed intercommunication has second discharging pipe 29 in secondary crushing case 2, and a material pump 30 is arranged at one end of the second discharge pipe 29 close to the secondary crushing box 2.
Furthermore, the ends of the first discharging pipe 22, the mounting pipe 23 and the second discharging pipe 29, which are far away from the primary crushing box 1, are provided with a closable valve.
Furthermore, the crushing cutters 11 of the four rollers 10 are distributed on the outer surface of the roller 10 in a staggered manner, and the crushing cutters 11 do not interfere with each other when the rollers 10 rotate.
Furthermore, striker plates 31 are fixedly mounted on two side surfaces of the partition plate 12, one end, away from the partition plate 12, of each striker plate 31 is inclined downwards, and the inclination angle is fifteen degrees.
Furthermore, the uniformly distributed bases 32 are fixedly installed at the bottom of the primary crushing box 1, two symmetrical box doors 33 are arranged on the front surface of the primary crushing box 1, and a visible window 34 is arranged on the front surface of each box door 33.
Furthermore, the front inner wall of the primary crushing box 1 is fixedly connected with the front of the first material receiving box 20 and the front of the second material receiving box 21, and the back inner wall of the primary crushing box 1 is fixedly connected with the back of the first material receiving box 20 and the back of the second material receiving box 21.
Further, a sealing cover is arranged on the top of the blanking funnel 4.
Further, the mesh aperture value of the first screen 16 is greater than the mesh aperture value of the second screen 17.
Furthermore, the use method of the stone crushing device for earthwork construction comprises the following steps:
the first step is as follows: starting two first motors 5 to drive two rotating shafts 6 to rotate, driving rotating rods 8 to rotate by the two rotating shafts 6 through first gears 7 and second gears 9, enabling four rotating rollers 10 to synchronously rotate, dividing the stone into two parts, respectively pouring the two parts into a primary crushing box 1 through two discharging hoppers 4, and performing primary crushing on the stone by a crushing cutter 11 between the rotating rollers 10;
the second step is that: the second motor 18 is started, the cam 19 is driven to rotate through the mounting rod, the cam 19 pushes the second sieve plate 14 to move up and down when rotating, the second sieve plate 14 drives the first sieve plate 13 to move up and down through the fixing rod 15, the stones after primary crushing fall on the sieve mesh of the first sieve plate 13, the stones which meet the crushing requirements enter the first material receiving box 20 after being sieved by the first sieve mesh 16 and the second sieve mesh 17, and the stones which do not meet the crushing requirements enter the second material receiving box 21 along the first sieve mesh 16 and the second sieve mesh 17;
the third step: open first discharging pipe 22, the closable valve of installation pipe 23, the first stone that meets the requirements for breakage in the material receiving box 20 is discharged through first discharging pipe 22, the second is met and is not met the stone that meets the requirements for breakage in the material receiving box 21 and carry out the second grade breakage in getting into second grade crushing case 2, start third motor 28 and drive a connecting rod 24 and rotate, connecting rod 24 that is connected with third motor 28 drives another connecting rod 24 synchronous rotation through third gear 27, the stone gets into second grade crushing case 2 after, accomplish the secondary crushing under the effect of smashing to pieces of the stick 26 of smashing to pieces of two crushing rollers 25, the closable valve of opening second discharging pipe 29, accomplish the broken stone of second grade in the case 2 of smashing to pieces and discharge.
The invention has the following beneficial effects:
1. the primary crushing box, the roller primary crushing cutter and other structures can crush the stones for the first time, and the secondary crushing box, the crushing roller and the crushing rod can crush the stones which do not meet the crushing requirement for the second time, so that the stones can be fully crushed, and the stones which are put into use can meet the crushing requirement;
2. the secondary screening can be carried out on the stones which are crushed for the first time through the arranged structures such as the first sieve plate, the first screen, the second sieve plate and the second screen, the stones which meet the crushing requirements fall into the first material receiving box through the first screen and the second screen and are directly discharged through the first discharging pipe, the stones which do not meet the crushing requirements enter the second material receiving box along the first sieve plate and the second sieve plate and enter the second crushing box through the mounting pipe for targeted secondary crushing, and the crushing efficiency of the equipment is improved;
3. the stone is divided into two parts, and the two parts enter the primary crushing box through the two discharging hoppers to be crushed respectively, the stone is divided into two parts to be sieved on the two first screens and the second screens at two sides respectively, and meanwhile, because the meshes of the first screens are larger than the meshes of the second screens, the pressure applied to the first screens and the second screens during sieving can be reduced;
4. through the second motor, the installation pole drives the cam and rotates, because the cam surface contacts with second sieve bottom surface, the cam has supporting role to the second sieve, first sieve right side is articulated mutually through the dead lever with second sieve right side simultaneously, therefore when the cam rotates, can carry out the top from top to bottom with the second sieve and move, make first sieve and second sieve shake from top to bottom simultaneously, accelerate first screen cloth, the screening efficiency of second screen cloth to the stone, reduce first screen cloth simultaneously, the possibility that the second screen cloth is blockked up.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.

Claims (9)

1. The utility model provides a stone breaker is used in earthwork engineering construction, includes broken case (1) of one-level and the broken case (2) of second grade, fixed mounting has evenly distributed's spliced pole (3) between the broken case (2) top of one-level (1) bottom of one-level and the broken case (2) of second grade, its characterized in that, the fixed intercommunication of roof has two symmetrical unloading funnels (4) in the broken case (1) of one-level, there is first motor (5) both sides of broken case (1) of one-level through fixed block fixed mounting, first motor (5) output fixed mounting has pivot (6), pivot (6) surface fixed mounting has first gear (7), the one end that first motor (5) was kept away from in pivot (6) passes through bearing swing joint with the inside wall of broken case (1) of one-level, two inside walls of broken case (1) of one-level all are provided with bull stick, the utility model discloses a crushing case, including bull stick (8), bull stick (8) one end and the broken case of one-level (1) inside wall swing joint, the bull stick (8) other end passes the inner wall of the broken case of one-level (1) and extends to the outside of the broken case of one-level (1), the external fixed surface that bull stick (8) are located the outside one end of the broken case of one-level (1) installs second gear (9), second gear (9) meshes with first gear (7) mutually, pivot (6) and bull stick (8) surface equal fixed mounting have change roller (10), change roller (10) external fixed surface fixed mounting have evenly distributed's broken cutter (11), fixed mounting has baffle (12) between roof and the interior diapire in the broken case of one-level (1), two inside walls of the broken case of one-level (1) all articulate first sieve (13), second sieve (14), first sieve (13) and second sieve (14) are close to articulating have evenly distributed's dead lever (15) between the one end, first sieve (13) and second sieve (14) surface are equipped with first screen cloth (16) and second screen cloth (17) respectively, there are second motor (18) all through fixed block fixed mounting in two sides of one-level broken case (1), second motor (18) output fixed mounting has the installation pole, and the installation pole is kept away from the one end of second motor (18) and is passed the inner wall and fixed mounting of one-level broken case (1) and have cam (19), cam (19) top contacts with second sieve (14) bottom surface, bottom wall fixed mounting has two symmetrical first workbin (20) that connect in one-level broken case (1), two first side that connects workbin (20) to be close to mutually all fixed mounting have the second to connect workbin (21), the bottom surface and the broken incasement of one-level (1) bottom wall fixed connection of second, two the side that second connects workbin (21) to be close to mutually respectively with two side fixed connection of baffle (12), the inner bottom wall of the first material receiving box (20) is fixedly communicated with a first discharge pipe (22), and the bottom of the first discharge pipe (22) penetrates through the inner bottom wall of the first-stage crushing box (1) and extends to the outside of the first-stage crushing box (1);
all fixed intercommunication has installation pipe (23) between roof and two second material receiving boxes (21) bottom wall in second grade crushing case (2), the inner wall at the back of second grade crushing case (2) has two symmetrical connecting rods (24) through bearing swing joint, connecting rod (24) outer fixed surface installs crushing roller (25), crushing roller (25) outer fixed surface installs evenly distributed's pound stick (26), connecting rod (24) front end passes the inner wall of second grade crushing case (2) and extends to the outside of second grade crushing case (2), two the equal fixed mounting in surface of the one end that connecting rod (24) are located second grade crushing case (2) outside has third gear (27), two third gear (27) mesh mutually, second grade crushing case (2) openly have third motor (28) through fixed block fixed mounting, the output end of the third motor (28) is fixedly connected with the front end of one of the connecting rods (24), a second discharge pipe (29) is fixedly communicated with the inner bottom wall of the secondary crushing box (2), and a material pump (30) is arranged at one end, close to the secondary crushing box (2), of the second discharge pipe (29).
2. The stone crusher for earthwork construction according to claim 1 wherein the ends of the first discharging pipe (22), the mounting pipe (23) and the second discharging pipe (29) away from the primary crushing box (1) are provided with a closable valve.
3. The stone crusher according to claim 1, characterized in that the crushing tools (11) of the four rollers (10) are staggered on the outer surface of the rollers (10).
4. The stone crusher for earthwork construction according to claim 1 wherein striker plates (31) are fixedly mounted on both sides of the partition plate (12), one ends of the striker plates (31) far away from the partition plate (12) are inclined downwards, and the inclination angle is fifteen degrees.
5. The stone crusher for earthwork construction according to claim 1 wherein the uniformly distributed bases (32) are fixedly installed at the bottom of the primary crushing box (1), two symmetrical box doors (33) are opened on the front surface of the primary crushing box (1), and the visible window (34) is arranged on the front surface of the box doors (33).
6. The stone crusher for earthwork construction according to claim 1 wherein the inner wall of the front of the first-stage crushing box (1) is fixedly connected with the front of the first material receiving box (20) and the front of the second material receiving box (21), and the inner wall of the back of the first-stage crushing box (1) is fixedly connected with the back of the first material receiving box (20) and the back of the second material receiving box (21).
7. The stone crusher for earthwork construction according to claim 1 wherein the top of the discharging hopper (4) is provided with a sealing cover.
8. An earthworking stone crusher according to claim 1 wherein the first screen (16) has a mesh aperture value larger than the second screen (17).
9. The use method of the stone crushing device for earthwork construction is characterized by comprising the following steps:
the first step is as follows: the two first motors (5) are started to drive the two rotating shafts (6) to rotate, the two rotating shafts (6) drive the rotating rods (8) to rotate through the first gears (7) and the second gears (9), so that the four rotating rollers (10) can synchronously rotate, stones are divided into two parts, the two parts are poured into the primary crushing box (1) through the two discharging hoppers (4), and the stones are crushed between the rotating rollers (10) in a primary mode by the crushing cutter (11);
the second step is that: the second motor (18) is started, the cam (19) is driven to rotate through the installation rod, the cam (19) pushes the second sieve plate (14) when rotating, one end, far away from the cam (19), of the second sieve plate (14) shakes up and down, the second sieve plate (14) drives one end, close to the partition plate (12), of the first sieve plate (13) to shake up and down through the fixing rod (15), stones after primary crushing fall on a sieve mesh of the first sieve plate (13), the stones are sieved through the first sieve mesh (16) and the second sieve mesh (17), stones meeting the crushing requirements enter the first material receiving box (20), and stones not meeting the crushing requirements enter the second material receiving box (21) along the first sieve mesh (16) and the second sieve mesh (17);
the third step: open first discharging pipe (22), the closeable valve of installation pipe (23), the first stone that meets the requirements of breakage in connecing workbin (20) is discharged through first discharging pipe (22), the second connects the stone that does not meet the requirements of breakage in workbin (21) to get into and carries out the second grade breakage in second grade crushing case (2), start third motor (28) and drive a connecting rod (24) and rotate, connecting rod (24) that are connected with third motor (28) drive another connecting rod (24) synchronous rotation through third gear (27), the stone gets into second grade crushing case (2) back, accomplish the secondary crushing under the effect of pounding stick (26) of two crushing rollers (25), open the closeable valve of second discharging pipe (29), accomplish the broken stone of second grade in second grade crushing case (2) and discharge.
CN202010863151.5A 2020-08-25 2020-08-25 Stone breaker is used in earthwork engineering construction Withdrawn CN112058454A (en)

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CN202010863151.5A CN112058454A (en) 2020-08-25 2020-08-25 Stone breaker is used in earthwork engineering construction

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Application Number Priority Date Filing Date Title
CN202010863151.5A CN112058454A (en) 2020-08-25 2020-08-25 Stone breaker is used in earthwork engineering construction

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106861808A (en) * 2015-12-14 2017-06-20 重庆市大眼界广告有限公司 A kind of building waste recovery disintegrating screening machine
CN206315852U (en) * 2016-12-14 2017-07-11 鄂文雯 A kind of repeatedly flour mill
CN108514944A (en) * 2018-04-26 2018-09-11 陈苏娟 A kind of multiple breaker of building stone
CN207951669U (en) * 2017-12-17 2018-10-12 蒋杰 A kind of mine engineering stone crusberscreen
CN209791651U (en) * 2019-04-16 2019-12-17 刘维容 Coal mine crushing device for coal mining
CN209985471U (en) * 2019-02-26 2020-01-24 梅州华立风实业有限公司 Efficient slag crusher
CN110835937A (en) * 2019-12-06 2020-02-25 马鞍山元辰网络科技有限公司 Grabbing device for earthwork construction and working method thereof
CN210875516U (en) * 2019-08-21 2020-06-30 瀚蓝工业服务(赣州)有限公司 Environment-friendly solid waste treatment equipment

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106861808A (en) * 2015-12-14 2017-06-20 重庆市大眼界广告有限公司 A kind of building waste recovery disintegrating screening machine
CN206315852U (en) * 2016-12-14 2017-07-11 鄂文雯 A kind of repeatedly flour mill
CN207951669U (en) * 2017-12-17 2018-10-12 蒋杰 A kind of mine engineering stone crusberscreen
CN108514944A (en) * 2018-04-26 2018-09-11 陈苏娟 A kind of multiple breaker of building stone
CN209985471U (en) * 2019-02-26 2020-01-24 梅州华立风实业有限公司 Efficient slag crusher
CN209791651U (en) * 2019-04-16 2019-12-17 刘维容 Coal mine crushing device for coal mining
CN210875516U (en) * 2019-08-21 2020-06-30 瀚蓝工业服务(赣州)有限公司 Environment-friendly solid waste treatment equipment
CN110835937A (en) * 2019-12-06 2020-02-25 马鞍山元辰网络科技有限公司 Grabbing device for earthwork construction and working method thereof

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