CN114588991A - Gravel crushing device for urban road construction - Google Patents

Gravel crushing device for urban road construction Download PDF

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Publication number
CN114588991A
CN114588991A CN202210246549.3A CN202210246549A CN114588991A CN 114588991 A CN114588991 A CN 114588991A CN 202210246549 A CN202210246549 A CN 202210246549A CN 114588991 A CN114588991 A CN 114588991A
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CN
China
Prior art keywords
crushing
broken
roller
stone
gravel
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Granted
Application number
CN202210246549.3A
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Chinese (zh)
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CN114588991B (en
Inventor
王峰
陈翠
宋锋
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Jinan Zhangqiu District Municipal Engineering Office
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Jinan Zhangqiu District Municipal Engineering Office
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Priority to CN202210246549.3A priority Critical patent/CN114588991B/en
Publication of CN114588991A publication Critical patent/CN114588991A/en
Application granted granted Critical
Publication of CN114588991B publication Critical patent/CN114588991B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00—Disintegrating plant with or without drying of the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary 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
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary 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
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
    • B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
    • B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
    • B02C4/12—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member in the form of a plate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B02C4/30—Shape or construction of rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B02C4/42—Driving mechanisms; Roller speed control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Abstract

The utility model relates to an urban road construction's field discloses a gravel reducing mechanism for urban road construction, and it includes broken case, broken incasement is provided with first crushing mechanism and the broken mechanism of second, first crushing mechanism is used for carrying out a breakage to big stone, the broken mechanism of second is used for carrying out the breakage many times to the large granule stone after the breakage, be provided with transport mechanism between first crushing mechanism and the broken mechanism of second, transport mechanism is used for transporting the large granule stone after the breakage to the broken mechanism department of second many times. This application has and is convenient for carry out a lot of breakage to big stone to improve crushing efficiency's effect.

Description

Gravel crushing device for urban road construction
Technical Field
The application relates to the field of urban road construction, in particular to a gravel crushing device for urban road construction.
Background
In urban road construction, damaged roads need to be removed and then repaired. When a damaged road is cleared, the broken stone blocks are generally broken first, and then the broken stone blocks are used for repairing. When stone breaking is performed, a stone breaking machine is needed.
Among the correlation technique, chinese utility model patent as the grant publication number is CN210496578U discloses a broken sorting unit of rubble for road construction, and it includes the base, is provided with broken mechanism on the base, is provided with feed hopper on the broken mechanism. A crushing cavity is formed in the crushing mechanism, a discharge port is formed in the bottom of the crushing cavity, two crushing wheels are arranged in the crushing cavity, and the crushing wheels are used for crushing the crushed stone. The discharge gate department is provided with the small opening net, is provided with first receipts skip and second receipts skip below the small opening net.
Broken gravel after the crushing wheel comes out from the discharge gate, and the tiny particle rubble passes the hourglass hole net and collects in the second receipts skip, and the large granule rubble landing is to in the first receipts skip.
To above-mentioned correlation technique, the inventor thinks when the stone volume is great, need carry out a lot of breakage and just can accomplish to lead to promoting first receipts skip a lot of to feed hopper department and toppling over the large granule rubble, complex operation, thereby influence crushing efficiency.
Disclosure of Invention
In order to facilitate carrying out a lot of breakage to big stone to improve crushing efficiency, this application provides a gravel reducing mechanism for urban road construction.
The application provides a gravel crushing device for urban road construction adopts following technical scheme:
the utility model provides a gravel reducing mechanism for urban road construction, includes broken case, be provided with first broken mechanism and the broken mechanism of second in the broken case, first broken mechanism is used for carrying out first breakage to big stone, the broken mechanism of second is used for carrying out breakage once more to the large granule stone after the breakage, be provided with transport mechanism between first broken mechanism and the broken mechanism of second, transport mechanism is used for transporting the large granule stone after the breakage once more to the broken mechanism department of second once more.
Through adopting above-mentioned technical scheme, first crushing mechanism carries out primary crushing to big stone, large granule stone after the breakage gets into the transport mechanism in, the transport mechanism transports the large granule stone, thereby transport the large granule stone to the second crushing mechanism in, the second crushing mechanism is broken once more to the large granule stone, the large granule stone after the second crushing mechanism breakage gets into the transfer passage once more, so circulate until the large granule stone is broken to meeting the requirements, transport many times through the transport mechanism to the stone, thereby be convenient for carry out a lot of breakage to big stone, and then improved crushing efficiency.
Optionally, the conveying mechanism includes the transport passageway that sets up between first broken mechanism and the broken mechanism of second, be provided with screw conveyor blade in the transport passageway, be provided with on the broken case and be used for driving screw conveyor blade pivoted second driving motor, screw conveyor blade is used for transporting the large granule stone after first broken mechanism and the broken mechanism of second.
Through adopting above-mentioned technical scheme, start second driving motor, second driving motor drives helical conveying blade and rotates, and helical conveying blade carries out a lot of transportation to the large granule stone in the transfer passage to the broken mechanism of second of being convenient for carries out a lot of breakage to the large granule stone, and then has improved crushing efficiency.
Optionally, broken case includes first broken case and the broken case of second, first broken case fixed connection is on the broken case of second, it sets up in the broken incasement of second to transport the passageway, first broken mechanism sets up in first broken incasement, the broken mechanism of second is located the broken incasement of second, seted up on the broken case of second and transported the entry, it is used for making the broken stone of first broken mechanism get into and transports in the passageway to transport the entry, set up in the broken incasement of second and transport export and recovery mouth, it is used for making the large granule stone that transports in the passageway get into on the broken mechanism of second to transport the export, recovery mouth is used for making the large granule stone that the broken back of second broken mechanism get into once more transport in the passageway.
Through adopting above-mentioned technical scheme, the broken large granule stone of back of first crushing mechanism is through transporting in the entry entering transportation channel, the stone is transported to when transporting the export, from transporting the export and getting into the broken incasement of second, the broken mechanism of second carries out the breakage to it, and the broken large granule stone of back of the broken mechanism of second passes in recovery mouth reentrant transportation channel to accomplish transporting of large granule stone.
Optionally, first broken mechanism includes live-rollers and crushing plate, the live-rollers rotates to be connected in first broken incasement, be provided with on the first broken case and be used for driving live-rollers pivoted first driving motor, be provided with a plurality of broken teeth of first on the live-rollers, a plurality of broken teeth of second of fixedly connected with on the crushing plate, work as when the live-rollers drives first broken tooth and rotates, broken tooth of first broken tooth and second are broken to big stone.
Through adopting above-mentioned technical scheme, pour big stone into first broken incasement, start first driving motor, first driving motor drives the live-rollers rotation, and the live-rollers drives first broken tooth and rotates, and first broken tooth and the broken tooth of second carry out the breakage to big stone to accomplish the processing to big stone, and then the follow-up breakage of being convenient for.
Optionally, the second crushing mechanism includes a first crushing roller and a second crushing roller which are arranged in the second crushing box, a plurality of third crushing teeth are arranged on the first crushing roller, a plurality of fourth crushing teeth are arranged on the second crushing roller, a driving assembly for driving the first crushing roller to rotate is arranged in the second crushing box, a first gear is fixedly connected to one end of the first crushing roller in a coaxial mode, a second gear is fixedly connected to one end of the second crushing roller in a coaxial mode, and the first gear is meshed with the second gear.
Through adopting above-mentioned technical scheme, start drive assembly, drive assembly drives first crushing roller and rotates, and first crushing roller drives first gear revolve, and first gear drives second gear revolve, and the second gear drives the rotation of second crushing roller, and first crushing roller drives the rotation of third broken tooth, and the second crushing roller drives the rotation of fourth broken tooth, thereby third broken tooth and the mutual cooperation of fourth broken tooth carry out the breakage to the rubble.
Optionally, drive assembly is including rotating the drive roller of connecting in the broken incasement of second, be provided with on the broken case of second and be used for driving drive roller pivoted third driving motor, coaxial fixedly connected with drive gear on the drive roller, coaxial fixedly connected with drive gear on the first crushing roller, drive gear and drive gear meshing.
Through adopting above-mentioned technical scheme, start third driving motor, third driving motor drives the drive roller and rotates, and the drive roller drives drive gear and rotates, and drive gear drives first crushing roller and rotates to accomplish the drive to first crushing roller.
Optionally, the driving gear is provided with a plurality of, and a plurality of driving gear sets up along drive roller length direction interval, first crushing roller is provided with many, every first crushing roller all corresponds the setting with every driving gear.
By adopting the technical scheme, one driving roller simultaneously drives a plurality of first crushing rollers to rotate, so that the resource waste is reduced; the plurality of first crushing rollers drive the plurality of second crushing rollers to rotate, so that the crushing effect is improved.
Optionally, the second crushing box is internally provided with a supporting frame, the supporting frame is located below the second crushing mechanism, the supporting frame is hung in the second crushing box through a lifting rope, a screen is arranged in the supporting frame, the screen is used for screening large-particle stones crushed by the second crushing mechanism, when the screen is close to one side of the recovery port and inclines towards the conveying channel, the large-particle stones on the screen enter the conveying channel again, the second crushing box is provided with an operation port capable of being opened and closed, and when a worker moves the screen, the operation port is opened.
Through adopting above-mentioned technical scheme, the rubble after the second crushing mechanism is broken falls into on the screen cloth, the screen cloth filters the rubble, the rubble that meets the requirements passes the screen cloth, the rubble that does not meet the requirements stays on the screen cloth, open the operation mouth, lifting screen cloth to recovery mouth department, and to retrieving the slope of department, the rubble landing that does not meet the requirements is to transporting in the passageway, start second driving motor, second driving motor drives the auger delivery blade and rotates, thereby carry out the breakage on transporting the second crushing mechanism once more with the rubble that does not meet the requirements, until the rubble meets the requirements, thereby crushing effect has been improved.
Optionally, be provided with first division board in the broken case of second, retrieve the mouth and be located first division board, sliding connection has the fly leaf in the first division board, threaded connection has the tight hand wheel of support on the fly leaf, works as when the mouth is sealed will be retrieved to the fly leaf, fly leaf and first division board joint work as when the fly leaf slides to retrieving the mouth and opens, the fly leaf is through supporting tight hand wheel connection with first division board.
By adopting the technical scheme, when the movable plate is clamped with the first partition plate, the recovery port is closed, so that the spiral conveying blade can convey the stone conveniently; when the movable plate and the first separating plate are locked by the abutting hand wheel, the recycling port is opened, so that stones on the screen mesh can be poured into the conveying channel conveniently.
Optionally, a collecting box is arranged below the screen mesh and used for collecting stones passing through the screen mesh, a discharge port capable of being opened and closed is formed in the second crushing box, and the discharge port is used for allowing the collecting box to enter and exit the second crushing box.
Through adopting above-mentioned technical scheme, the rubble that meets the requirements passes in the screen cloth gets into the collecting box, opens the discharge gate, pulls out the collecting box from the broken incasement of second to the completion is to the collection of rubble.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first crushing mechanism is used for crushing large stones once, the crushed large stones enter the conveying mechanism, the conveying mechanism is used for conveying the large stones, so that the large stones are conveyed into the second crushing mechanism, the second crushing mechanism is used for crushing the large stones again, the large stones crushed by the second crushing mechanism enter the conveying channel again, the operation is circulated until the large stones are crushed to meet the requirements, the conveying mechanism is used for conveying the stones for multiple times, so that the large stones are crushed for multiple times, and the crushing efficiency is improved;
2. the second driving motor is started, the second driving motor drives the spiral conveying blade to rotate, and the spiral conveying blade conveys large-particle stones in the conveying channel for multiple times, so that the second crushing mechanism can conveniently crush the large-particle stones for multiple times, and the crushing efficiency is improved;
3. broken rubble after the broken mechanism of second falls into on the screen cloth, the screen cloth filters the rubble, the rubble that meets the requirements passes the screen cloth, the rubble that does not meet the requirements stays on the screen cloth, open the operation mouth, lifting screen cloth to retrieving mouthful department, and to retrieving the slope of department, the rubble landing that does not meet the requirements is to transporting in the passageway, start second driving motor, second driving motor drives the auger delivery blade and rotates, thereby will not meet the requirements the rubble transport once more and carry out the breakage on the broken mechanism of second, until the rubble meets the requirements, thereby crushing effect has been improved.
Drawings
FIG. 1 is a cross-sectional view of the overall structure of an embodiment of the present application;
fig. 2 is a partially enlarged view of a portion a of fig. 1, mainly for illustrating a first crushing mechanism;
FIG. 3 is a partial sectional structural view of an embodiment of the present application, primarily illustrating the transport mechanism and the secondary crushing mechanism;
FIG. 4 is a plan view of a portion of the structure of the embodiment of the present application, primarily illustrating the sifting mechanism;
FIG. 5 is a plan view of a portion of the structure of the embodiment of the present application, which is mainly used for showing the movable plate;
fig. 6 is a partial structural sectional view of the embodiment of the present application, which is mainly used for showing the cover plate and the collecting mechanism.
Description of reference numerals: 1. a crushing box; 11. a first crushing tank; 111. a first feed port; 112. a crushing cylinder; 113. a guide cylinder; 114. a support bar; 12. a second crushing tank; 121. a second feed port; 122. a delivery inlet; 123. an operation port; 124. a discharge port; 2. a first crushing mechanism; 21. a rotating roller; 22. a first crushing tooth; 23. a first drive motor; 24. a breaker plate; 25. a second crushing tooth; 26. a support block; 3. a transport mechanism; 31. a first partition plate; 311. a delivery outlet; 312. a recovery port; 313. a clamping groove; 314. a sliding groove; 32. a second partition plate; 33. a conveyance path; 34. a drive shaft; 35. a screw conveying blade; 36. a second drive motor; 4. a second crushing mechanism; 41. a drive assembly; 411. a drive roller; 412. a third drive motor; 413. a drive gear; 42. a second crushing assembly; 421. a first crushing roller; 422. a transmission gear; 423. a third crushing tooth; 424. a guide plate; 425. a fixed block; 426. a second crushing roller; 427. a fourth crushing tooth; 428. a first gear; 429. a second gear; 5. a screening mechanism; 51. a support frame; 52. screening a screen; 53. a connecting ring; 54. a lifting rope; 55. a movable plate; 56. tightly supporting the hand wheel; 57. a cover plate; 6. a collection mechanism; 61. a collection box; 62. a roller; 63. a discharge plate; 64. a handle.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses gravel crushing device for urban road construction.
Referring to fig. 1, the gravel crushing device for urban road construction comprises a crushing box 1, wherein a first crushing mechanism 2, a second crushing mechanism 4, a conveying mechanism 3, a screening mechanism 5 and a collecting mechanism 6 are arranged in the crushing box 1. First crushing mechanism 2 is used for carrying out the breakage to big stone, and second crushing mechanism 4 is used for carrying out the breakage to the rubble, and transport mechanism 3 is used for transporting the rubble after the first crushing mechanism 2 is broken to second crushing mechanism 4 in, and screening mechanism 5 is used for screening the rubble after the second crushing mechanism 4 is broken, and collection mechanism 6 is used for collecting the rubble that meets the requirements.
Referring to fig. 1, the crushing box 1 includes a first crushing box 11 and a second crushing box 12, the second crushing box 12 is vertically arranged, and a second feeding hole 121 is opened at the top of the second crushing box 12. The second crushing box 12 has a conveying inlet 122 formed on a peripheral side wall thereof, and the conveying inlet 122 is located at the bottom of the second crushing box 12. The first crushing box 11 is fixedly connected to the peripheral side wall of the second crushing box 12, and the inside of the first crushing box 11 is communicated with the inside of the second crushing box 12 through the conveying inlet 122. The first crushing box 11 comprises a crushing barrel 112 and a guide barrel 113, the crushing barrel 112 is a square barrel, and a first feeding hole 111 is formed in the top of the crushing barrel 112. The bottom of the crushing cylinder 112 is fixedly connected with the top of the guide cylinder 113, the bottom of one side, far away from the second crushing box 12, of the guide cylinder 113 is obliquely arranged towards the direction close to the second crushing box 12, and a plurality of support rods 114 are fixedly connected with the bottom of the guide cylinder 113.
Referring to fig. 2 and 3, the first crushing mechanism 2 includes a rotating roller 21 rotatably connected in the crushing cylinder 112, the rotating roller 21 is axially and horizontally arranged and is parallel to a plane of one side adjacent to the second crushing box 12, a plurality of first crushing teeth 22 are fixedly connected to a side wall of the rotating roller 21, and the plurality of first crushing teeth 22 are uniformly distributed on the side wall of the rotating roller 21. One end of the rotating roller 21 extends out of the crushing barrel 112, a first driving motor 23 is fixedly connected to the outer side wall of the crushing barrel 112, and a transmission shaft of the first driving motor 23 is coaxially and fixedly connected with the rotating roller 21. Two crushing plates 24 are fixedly connected in the crushing barrel 112, and the two crushing plates 24 are arranged oppositely by taking the plane where the axis of the rotating roller 21 is positioned as a symmetrical plane. Two crushing boards 24 are close to the setting along the direction that is close to guide cylinder 113 gradually, and the broken tooth 25 of a plurality of second of the equal fixedly connected with in the relative one side of two crushing boards 24, the broken tooth 25 of a plurality of second evenly distributed in the relative one side of two crushing boards 24, interval setting between the broken tooth 25 of second and first broken tooth 22. The two crushing plates 24 and the adjacent inner side wall of the crushing barrel 112 are fixedly connected with a supporting block 26.
Throw into broken section of thick bamboo 112 with big stone from first feed inlet 111 in, big stone is located between live-rollers 21 and the crushing shell 24, and first driving motor 23 drives live-rollers 21 and rotates, and live-rollers 21 drives first broken tooth 22 and rotates, and first broken tooth 22 and the broken tooth 25 of second are broken big stone, and the rubble after the breakage slides in the guide cylinder 113.
Referring to fig. 1 and 3, the transportation mechanism 3 includes a first partition plate 31 disposed in the second crushing box 12, the first partition plate 31 is disposed in parallel with a side wall of the second crushing box 12 where the transportation inlet 122 is located, the first partition plate 31 is disposed at an interval from a side wall of the second crushing box 12 where the transportation inlet 122 is located, a top of the first partition plate 31 is disposed at an interval from an inner top wall of the second crushing box 12, and a transportation outlet 311 is formed between the top of the first partition plate 31 and the inner top wall of the second crushing box 12. Two second division boards 32 are fixedly connected between the first division board 31 and the side wall of the second crushing box 12 where the conveying inlet 122 is located, the top and the bottom of the second division board 32 are fixedly connected with the inner side wall of the second crushing box 12, the two second division boards 32 are axially arranged at intervals along the rotating roller 21, and the conveying inlet 122 is located between the two second division boards 32. The first and second partition walls 31, 32 and the side wall of the second crushing box 12 together form a conveying passage 33 therebetween. A drive shaft 34 is arranged in the conveying channel 33, the drive shaft 34 is arranged vertically in the axial direction, and the drive shaft 34 is rotatably connected between the inner top wall and the inner bottom wall of the second crushing box 12. The driving shaft 34 is fixedly connected with a spiral conveying blade 35, the top of the second crushing box 12 is fixedly connected with a second driving motor 36, and a transmission shaft of the second driving motor 36 is coaxially and fixedly connected with the driving shaft 34.
The crushed stone in the guide cylinder 113 enters the conveying channel 33 from the conveying inlet 122, the second driving motor 36 drives the driving shaft 34 to rotate, the driving shaft 34 drives the spiral conveying blade 35 to rotate, the bolt conveying blade conveys the crushed stone at the bottom of the guide cylinder 113, and the crushed stone is conveyed into the second crushing mechanism 4 from the conveying outlet 311.
Referring to fig. 1 and 3, the second crushing mechanism 4 includes a driving assembly 41 disposed in the second crushing box 12, the driving assembly 41 is located below the second feeding port 121 and the conveying outlet 311, a length direction of the driving assembly 41 is parallel to an axial direction of the rotating rollers 21, and a symmetrical plane of the driving assembly 41 is parallel to a length direction thereof. Two sets of second crushing assemblies 42 are arranged in the second crushing box 12, wherein one set of second crushing assemblies 42 is positioned between the driving assembly 41 and the first partition plate 31, the other set of second crushing assemblies 42 is positioned between the driving assembly 41 and the inner side wall of the second crushing box 12 opposite to the first partition plate 31, and the two sets of second crushing assemblies 42 are arranged oppositely by taking the symmetrical plane of the driving assembly 41 as the symmetrical plane.
Referring to fig. 3, the driving assembly 41 includes a driving roller 411 rotatably connected in the second crushing box 12, the driving roller 411 is axially parallel to the rotating roller 21, a third driving motor 412 is fixedly connected to the peripheral side wall of the second crushing box 12, and a transmission shaft of the third driving motor 412 is coaxially and fixedly connected to the driving roller 411. A plurality of driving gears 413 are coaxially and fixedly connected to the driving roller 411, and the plurality of driving gears 413 are arranged at equal intervals along the axial direction of the driving roller 411.
By way of example, referring to fig. 3, the second crushing assembly 42 is located between the driving assembly 41 and the first partition plate 31, and the second crushing assembly 42 includes a plurality of first crushing rollers 421, the axial direction of the first crushing rollers 421 is perpendicular to the axial direction of the driving roller 411, and the plurality of first crushing rollers 421 are arranged at equal intervals along the axial direction of the driving roller 411. One end of the first crushing roller 421 is rotatably connected in the first partition plate 31, the other end of the first crushing roller 421 is coaxially and fixedly connected with a transmission gear 422, and the transmission gear 422 is meshed with the adjacent driving gear 413. A plurality of third crushing teeth 423 are fixedly connected to the side wall of the first crushing roller 421, and the plurality of third crushing teeth 423 are uniformly distributed on the side wall of the first crushing roller 421.
Referring to fig. 1 and 3, two guide plates 424 are fixedly connected in the second crushing box 12, the length direction of the guide plates 424 is axially parallel to the driving roller 411, the two guide plates 424 are axially spaced along the first crushing roller 421, the two guide plates 424 are respectively located above two ends of the first crushing roller 421, and the two guide plates 424 are respectively inclined toward the direction close to the other side near one side of the first crushing roller 421. A plurality of fixed blocks 425 are fixedly connected to the guide plate 424 close to the transmission gear 422, the fixed blocks 425 are located below the guide plate 424, the fixed blocks 425 are arranged at equal intervals along the length direction of the guide plate 424, and each fixed block 425 is located between two adjacent first crushing rollers 421. A second crushing roller 426 is rotatably connected between the fixed block 425 and the first partition plate 31, and the second crushing roller 426 is axially parallel to the first crushing roller 421. A plurality of fourth crushing teeth 427 are fixedly connected to the side wall of the second crushing roller 426, and the plurality of fourth crushing teeth 427 are uniformly distributed on the side wall of the second crushing roller 426. A first gear 428 is coaxially and fixedly connected to one end of the first crushing roller 421, which is far away from the transmission gear 422, a second gear 429 is coaxially and fixedly connected to one end of the second crushing roller 426, which is far away from the fixed block 425, and the first gear 428 is meshed with the adjacent second gear 429.
The crushed stone enters the second crushing box 12 from the conveying outlet 311 and the second feeding hole 121, the third driving motor 412 drives the driving roller 411 to rotate, the driving roller 411 drives the driving gear 413 to rotate, the driving gear 413 drives the transmission gear 422 to rotate, the transmission gear 422 drives the first crushing roller 421 to rotate, the first crushing roller 421 drives the first gear 428 to rotate, the first gear 428 drives the second gear 429 to rotate, and the second gear 429 drives the second crushing roller 426 to rotate. The first crushing roller 421 drives the third crushing tooth 423 to rotate, and the second crushing roller 426 drives the fourth crushing tooth 427 to rotate, so as to crush the crushed stone.
Referring to fig. 1 and 4, the sifting mechanism 5 includes a support frame 51 disposed in the second crushing box 12, the support frame 51 is located below the second crushing mechanism 4, and the support frame 51 is located between the first partition plate 31 and the inner side wall of the second crushing box 12 away from the delivery outlet 311. A screen 52 is fixedly connected in the support frame 51, and the screen 52 is horizontally arranged. The length direction of the supporting frame 51 is parallel to the length direction of the guide plate 424, two groups of connecting rings 53 are fixedly connected to the top of the supporting frame 51, the two groups of connecting rings 53 are arranged at intervals along the length direction of the supporting frame 51, each group of connecting rings 53 is arranged into two groups, and the two connecting rings 53 of each group are arranged at intervals along the width direction of the supporting frame 51. Four lifting ropes 54 are arranged on the inner side wall of the second crushing box 12, the four lifting ropes 54 and the four connecting rings 53 are respectively arranged correspondingly, one end of each lifting rope 54 is fixedly connected with the inner side wall of the second crushing box 12, and the other end of each lifting rope 54 is fixedly connected with the corresponding connecting ring 53.
Referring to fig. 1, 5 and 6, the first partition plate 31 is provided with a recovery opening 312, the recovery opening 312 is located above the support frame 51, and the length direction of the recovery opening 312 is parallel to the width direction of the support frame 51. A movable plate 55 for controlling the opening and closing of the recovery port 312 is arranged in the recovery port 312, the length direction of the movable plate 55 is parallel to the length direction of the recovery port 312, and one end of the movable plate 55 in the length direction is in threaded connection with a tightening hand wheel 56. The first partition plate 31 below the recovery opening 312 is provided with a clamping groove 313, and the first partition plate 31 above the recovery opening 312 is provided with a sliding groove 314. When the movable plate 55 is located in the chucking groove 313, the movable plate 55 closes the recovery port 312; when the movable plate 55 slides into the sliding groove 314, the hand wheel 56 is screwed, so that the movable plate 55 is locked with the first partition plate 31. An operation opening 123 is formed in the peripheral side wall of the second crushing box 12, the operation opening 123 is located on one side, close to the abutting hand wheel 56, of the supporting frame 51, and a cover plate 57 used for controlling the opening and closing of the operation opening 123 is hinged to the operation opening 123.
The crushed stones of the first crushing roller 421 and the second crushing roller 426 fall onto the screen 52, the screen 52 filters the crushed stones, the satisfactory crushed stones pass through the screen 52 and enter the collecting mechanism 6, and the unsatisfactory crushed stones are left on the screen 52. The lid 57 is opened, the movable plate 55 is slid upward into the slide groove 314, and the hand wheel 56 is tightened, thereby opening the recovery port 312. And lifting the screen 52 to the recovery port 312, inclining the screen to the recovery position, sliding off the unqualified crushed stones into the conveying channel 33, starting the second driving motor 36, driving the spiral conveying blade 35 to rotate by the second driving motor 36, and conveying the unqualified crushed stones to the first crushing roller 421 and the second crushing roller 426 again for crushing until the crushed stones meet the requirements.
Referring to fig. 1 and 6, the collecting mechanism 6 includes a collecting box 61 provided in the second crushing box 12, the collecting box 61 being located below the supporting frame 51, and a roller 62 rotatably connected to the bottom of the collecting box 61. The discharge port 124 has been seted up with the relative one side of first division board 31 to the broken case 12 of second, and discharge port 124 department articulates there is the play flitch 63 that is used for controlling discharge port 124 to open and close, goes out flitch 63 and deviates from first division board 31 one side fixedly connected with handle 64.
The satisfactory crushed stones pass through the screen 52 and enter the collecting box 61, the discharging plate 63 is opened, and the collecting box 61 is pulled out from the second crushing box 12, so that the crushed stones are collected.
The implementation principle of the gravel crushing device for urban road construction is as follows: throw into broken section of thick bamboo 112 with big stone from first feed inlet 111 in, big stone is located between live-rollers 21 and the crushing shell 24, and first driving motor 23 drives live-rollers 21 and rotates, and live-rollers 21 drives first broken tooth 22 and rotates, and first broken tooth 22 and the broken tooth 25 of second are broken big stone, and the rubble after the breakage slides in the guide cylinder 113. The crushed stone in the guide cylinder 113 enters the conveying channel 33 from the conveying inlet 122, the second driving motor 36 drives the driving shaft 34 to rotate, the driving shaft 34 drives the spiral conveying blade 35 to rotate, the bolt conveying blade conveys the crushed stone at the bottom of the guide cylinder 113, and the crushed stone enters the second crushing box 12 from the conveying outlet 311 and the second feeding hole 121. The third driving motor 412 drives the driving roller 411 to rotate, the driving roller 411 drives the driving gear 413 to rotate, the driving gear 413 drives the transmission gear 422 to rotate, the transmission gear 422 drives the first crushing roller 421 to rotate, the first crushing roller 421 drives the first gear 428 to rotate, the first gear 428 drives the second gear 429 to rotate, and the second gear 429 drives the second crushing roller 426 to rotate. The first crushing roller 421 drives the third crushing tooth 423 to rotate, and the second crushing roller 426 drives the fourth crushing tooth 427 to rotate, so as to crush the crushed stone.
The crushed gravel falls onto the screen 52, the screen 52 filters the crushed gravel, the gravel meeting the requirement passes through the screen 52 and enters the collection box 61, and the gravel not meeting the requirement is left on the screen 52. The lid 57 is opened, the movable plate 55 is slid upward into the slide groove 314, and the hand wheel 56 is tightened, thereby opening the recovery port 312. And lifting the screen 52 to the recovery port 312, inclining the recovery port, sliding off the unqualified crushed stones into the conveying channel 33, starting the second driving motor 36, driving the spiral conveying motor to rotate by the second driving motor 36, and conveying the unqualified crushed stones to the first crushing roller 421 and the second crushing roller 426 again for crushing until the crushed stones meet the requirements.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a gravel reducing mechanism is used in urban road construction which characterized in that: including broken case (1), be provided with first broken mechanism (2) and the broken mechanism of second (4) in broken case (1), first broken mechanism (2) are used for carrying out first breakage to big stone, the broken mechanism of second (4) are used for carrying out breakage once more to the large granule stone after the breakage, be provided with transport mechanism (3) between first broken mechanism (2) and the broken mechanism of second (4), transport mechanism (3) are used for transporting the large granule stone after the breakage once more to the broken mechanism of second (4) department once more.
2. The gravel-crushing device for urban road construction according to claim 1, wherein: transport mechanism (3) are including setting up transport passageway (33) between first broken mechanism (2) and the broken mechanism of second (4), be provided with screw conveyor blade (35) in transport passageway (33), be provided with on broken case (1) and be used for driving screw conveyor blade (35) pivoted second driving motor (36), screw conveyor blade (35) are used for transporting the large granule stone after first broken mechanism (2) and the broken mechanism of second (4) are broken.
3. The gravel-crushing device for urban road construction according to claim 2, wherein: broken case (1) includes first broken case (11) and second broken case (12), first broken case (11) fixed connection is on the broken case (12) of second, it sets up in the broken case (12) of second to transport passageway (33), first broken mechanism (2) set up in first broken case (11), second broken mechanism (4) are located the broken case (12) of second, seted up on the broken case (12) of second and transported entry (122), it is used for making the broken stone of first broken mechanism (2) get into in transporting passageway (33) to transport entry (122), it transports export (311) and recovery mouth (312) to have seted up in broken case (12) of second, it is used for making the stone that transports in passageway (33) to transport export (311) and gets into on the broken mechanism (4) of second, recovery mouth (312) are used for making the broken big granule stone of second broken mechanism (4) get into once more and transport passageway (33) again ) And (4) the following steps.
4. The gravel-crushing device for urban road construction according to claim 3, wherein: first broken mechanism (2) are including live-rollers (21) and crushing board (24), live-rollers (21) rotate to be connected in first broken case (11), be provided with on first broken case (11) and be used for driving live-rollers (21) pivoted first driving motor (23), be provided with a plurality of first broken teeth (22) on live-rollers (21), broken tooth (25) of a plurality of second of fixedly connected with on crushing board (24), work as when live-rollers (21) drive first broken tooth (22) and rotate, broken tooth (22) of first broken tooth (22) and second are broken big stone.
5. The gravel-crushing device for urban road construction according to claim 3, wherein: the second crushing mechanism (4) comprises a first crushing roller (421) and a second crushing roller (426) which are arranged in a second crushing box (12), a plurality of third crushing teeth (423) are arranged on the first crushing roller (421), a plurality of fourth crushing teeth (427) are arranged on the second crushing roller (426), a driving assembly (41) used for driving the first crushing roller (421) to rotate is arranged in the second crushing box (12), a first gear (428) is coaxially and fixedly connected with one end of the first crushing roller (421), a second gear (429) is coaxially and fixedly connected with one end of the second crushing roller (426), and the first gear (428) is meshed with the second gear (429).
6. The gravel-crushing device for urban road construction according to claim 4, wherein: drive assembly (41) are including rotating drive roller (411) of connecting in second broken case (12), be provided with on second broken case (12) and be used for driving drive roller (411) pivoted third driving motor (412), coaxial fixedly connected with drive gear (413) on drive roller (411), coaxial fixedly connected with drive gear (422) on first broken roller (421), drive gear (413) and drive gear (422) meshing.
7. The gravel-crushing device for urban road construction according to claim 5, wherein: the driving gear (413) is provided with a plurality of, and a plurality of driving gear (413) set up along drive roller (411) length direction interval, first crushing roller (421) is provided with a plurality ofly, every first crushing roller (421) all correspond the setting with every driving gear (413).
8. The gravel crushing device for urban road construction according to claim 3, wherein: the second crushing box (12) is internally provided with a supporting frame (51), the supporting frame (51) is located below the second crushing mechanism (4), the supporting frame (51) is hung in the second crushing box (12) through a lifting rope (54), a screen (52) is arranged in the supporting frame (51), the screen (52) is used for screening large-particle stones crushed by the second crushing mechanism (4), when the screen (52) is close to one side of the recovery port (312) and inclines towards the conveying channel (33), the large-particle stones on the screen (52) enter the conveying channel (33) again, the second crushing box (12) is provided with an operation port (123) capable of being opened and closed, and when a worker moves the screen (52), the operation port (123) is opened.
9. The gravel-crushing device for urban road construction according to claim 8, wherein: be provided with first division board (31) in second broken case (12), retrieve mouthful (312) and be located first division board (31), sliding connection has fly leaf (55) in first division board (31), threaded connection has on fly leaf (55) supports tight hand wheel (56), works as when fly leaf (55) will retrieve mouthful (312) and seal, fly leaf (55) and first division board (31) joint work as when fly leaf (55) slide to retrieving mouthful (312) and open, fly leaf (55) are connected through supporting tight hand wheel (56) with first division board (31).
10. The gravel-crushing device for urban road construction according to claim 8, wherein: the screening device is characterized in that a collecting box (61) is arranged below the screening net (52), the collecting box (61) is used for collecting stones passing through the screening net (52), a discharging port (124) capable of being opened and closed is formed in the second crushing box (12), and the discharging port (124) is used for enabling the collecting box (61) to go in and out of the second crushing box (12).
CN202210246549.3A 2022-03-14 2022-03-14 Gravel smashing device for urban road construction Active CN114588991B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208512758U (en) * 2018-07-05 2019-02-19 浙江鑫宇装饰工业有限公司 A kind of civil engineering crusher
CN208912174U (en) * 2018-08-10 2019-05-31 天津锵远再生资源有限公司 A kind of crushing exclusion device of cullet
CN111545290A (en) * 2020-05-27 2020-08-18 陕西金磊混凝土有限公司 Sorting device is retrieved to building rubbish
CN212189248U (en) * 2020-04-08 2020-12-22 陕西皇城机械（集团）有限公司 Processing equipment for comprehensive utilization of coal gangue resources
CN212328883U (en) * 2020-07-14 2021-01-12 内蒙古金益新材料有限责任公司 Electric resistance material screening system of graphite production
CN213254947U (en) * 2020-08-06 2021-05-25 荆门市磊鑫石膏制品有限公司 Waste residue collection device is used in calcium sulfate production
CN215878122U (en) * 2021-09-27 2022-02-22 福建百花化学股份有限公司 Paint coating processing batching grinding device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208512758U (en) * 2018-07-05 2019-02-19 浙江鑫宇装饰工业有限公司 A kind of civil engineering crusher
CN208912174U (en) * 2018-08-10 2019-05-31 天津锵远再生资源有限公司 A kind of crushing exclusion device of cullet
CN212189248U (en) * 2020-04-08 2020-12-22 陕西皇城机械（集团）有限公司 Processing equipment for comprehensive utilization of coal gangue resources
CN111545290A (en) * 2020-05-27 2020-08-18 陕西金磊混凝土有限公司 Sorting device is retrieved to building rubbish
CN212328883U (en) * 2020-07-14 2021-01-12 内蒙古金益新材料有限责任公司 Electric resistance material screening system of graphite production
CN213254947U (en) * 2020-08-06 2021-05-25 荆门市磊鑫石膏制品有限公司 Waste residue collection device is used in calcium sulfate production
CN215878122U (en) * 2021-09-27 2022-02-22 福建百花化学股份有限公司 Paint coating processing batching grinding device

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