CN219690240U - Fine screening device for old asphalt materials of road milling and planing - Google Patents

Fine screening device for old asphalt materials of road milling and planing Download PDF

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Publication number
CN219690240U
CN219690240U CN202320430404.9U CN202320430404U CN219690240U CN 219690240 U CN219690240 U CN 219690240U CN 202320430404 U CN202320430404 U CN 202320430404U CN 219690240 U CN219690240 U CN 219690240U
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China
Prior art keywords
plate
dredging
screening
box body
frame
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CN202320430404.9U
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Chinese (zh)
Inventor
彭浩然
潘玲
姜璐琪
张家宾
崔萌
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Shandong Lvda Transportation Technology Co ltd
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Shandong Lvda Transportation Technology Co ltd
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Abstract

The utility model discloses a fine screening device for old road milling asphalt, which comprises a box body, a bracket, a screening plate, a dredging mechanism, a thimble mechanism, a collecting box I and a collecting box II; the bracket supports the box body to be obliquely arranged; the screening plate, the dredging mechanism and the thimble mechanism are arranged in the box body, the dredging mechanism is movably connected with the screening plate, and the thimble mechanism is arranged below the screening plate; the collecting box I and the collecting box II are arranged at one end of the box body; the top of the box body is provided with a feed inlet and a through groove I, the through groove I is used for arranging the end part of the screening plate, and the other end of the box body is provided with a discharge port I and a discharge port II which correspond to the collecting box I and the collecting box II respectively; a chute I is arranged on the inner wall of the box body; one end of the screening plate is provided with a through groove II, a supporting plate, a guide plate and a spring III, and the supporting plate penetrates through the through groove I. The utility model can effectively dredge the screening holes on the screening plate in time through the dredging mechanism and the thimble mechanism.

Description

Fine screening device for old asphalt materials of road milling and planing
Technical Field
The utility model belongs to the technical field of asphalt material filtering and screening, and particularly relates to a fine screening device for old asphalt materials of road milling.
Background
At present, the defects such as cracks, pits and the like can appear on the highway of the asphalt pavement after long-time use, and the most common repairing mode is to dig and mill the pavement at the damaged part, and then to pave and repair the pavement through new asphalt; the planing asphalt on the road surface can be collected to a transportation vehicle for transportation to a manufacturer to be used as a hot asphalt recycling raw material, but before the use, the planing asphalt is firstly screened;
according to the search, an asphalt pavement milling, planing and crushing and screening device with the application number of 202220805012.1 comprises a screen, wherein the screen is used for screening the milled asphalt; the asphalt mixture waste screening device with the application number of 202020342812.5 is used for screening the mixed asphalt materials through a primary screen plate, a secondary screen plate, a tertiary screen plate and a quaternary screen plate; the same disadvantages exist in the realization of the action process of the above patent, namely the lack of dredging the screen and the screen plate; because there is a phenomenon that asphalt particles are blocked to the screen mesh on the screen mesh and the screen plate in the screening process of asphalt materials, the screening efficiency and the screening effect are seriously affected if the asphalt particles are not dredged in time.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a fine screening device for old road milling asphalt materials, which can timely and effectively dredge screening holes on a screening plate through a dredging mechanism and a thimble mechanism.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a fine screening device for old road milling asphalt comprises a box body, a bracket, a screening plate, a dredging mechanism, a thimble mechanism, a collecting box I and a collecting box II; the bracket supports the box body to be obliquely arranged; the screening plate, the dredging mechanism and the thimble mechanism are arranged in the box body, the dredging mechanism is movably connected with the screening plate, and the thimble mechanism is arranged below the screening plate; the collecting box I and the collecting box II are arranged at one end of the box body.
The top of the box body is provided with a feed inlet and a through groove I, the through groove I is used for arranging the end part of the screening plate, and the other end of the box body is provided with a discharge port I and a discharge port II which correspond to the collecting box I and the collecting box II respectively; a chute I is arranged on the inner wall of the box body.
One end of the screening plate is provided with a through groove II, a supporting plate, a guide plate and a spring III, and the supporting plate penetrates through the through groove I; the screening plate is provided with screening holes, two sides of the screening plate are provided with sliding grooves II, one end of the screening plate is provided with a top plate I, the top plate I is provided with a guide shaft I, and the guide shaft I is provided with a spring I; the other end of the screening plate is provided with a top plate II, a guide shaft II is arranged on the top plate II, and a spring II is sleeved on the guide shaft II; one end of the screening plate is hinged with the inner wall of the box body and corresponds to the discharge port I.
The dredging mechanism comprises a dredging frame I, a dredging frame II, a motor I, conical blocks and a motor II, wherein the dredging frame I and the dredging frame II are connected in a sliding manner, the dredging frame I is formed by connecting a plurality of dredging plates I and connecting arms I, two sides of the dredging plates I are provided with supporting rods I and are arranged in sliding grooves II, one end of the dredging frame I is provided with a support I, the other end of the dredging frame I is provided with a baffle I and is movably connected with a guide shaft II, a plurality of evenly distributed tooth holes I and corresponding screening holes are formed in the dredging plates I, and sliding grooves III are formed in two sides of the dredging plates I.
The dredging frame II is formed by interconnecting a plurality of dredging plates II and connecting arms II, one end of the dredging frame II is provided with a baffle II and a bracket II, and the baffle II is movably connected with a guide shaft I; the two ends of the dredging plate II are provided with supporting rods II and are arranged in the sliding groove III, and the dredging plate II is provided with tooth holes II corresponding to the screening holes; the tooth holes II and the tooth holes I are symmetrically arranged; the dredging frame I is pushed by the spring II to slide along the sliding groove II to one end of the screening plate, and the dredging frame II is pushed by the spring I to slide along the sliding groove III to the other end of the screening plate; so that the tooth holes I and II are mutually opposite to shear and dredge the blocked particles in the screening holes.
The motor I and the motor II are fixed on the outer wall of the box body, a connecting rod I which is fixedly connected is arranged on an output shaft of the motor I, one end of the connecting rod I is provided with a connecting rod II which is rotationally connected, and the other end of the connecting rod II is provided with a connecting seat which is rotationally connected, and the connecting seat is rotationally connected with a conical block; the conical block is connected with the guide plate in a sliding way; the conical block is arranged between the bracket I and the bracket II; the output shaft of the motor II is provided with a cam which is in contact with the supporting plate; the conical block is driven to move up and down along the guide plate to push the support I and the support II through the cooperation of the motor I, the connecting rod I and the connecting rod II, and then the dredging frame I and the dredging frame II are controlled to slide in opposite directions, so that the tooth holes I and the tooth holes II shear each other and crush plugs in the screening holes, dredging is completed, and meanwhile, the cam is driven to push the support plate and the screening plate to vibrate up and down through the cooperation of the spring III and the motor II to enable the screening plate to realize more effective screening.
The thimble mechanism comprises a motor III, a fixed frame, a fixed plate, an oil cylinder and a screw rod, wherein the motor III is fixed on the outer wall of a box body, two ends of the screw rod are rotationally connected with the inner wall of the box body, one end of the screw rod is connected with an output shaft of the motor III, two ends of the fixed frame are provided with sliding blocks and are arranged in a sliding groove I, the screw rod is connected with the bottom of the fixed frame through threads, the fixed plate is arranged in the fixed frame, a plurality of thimbles are arranged on the fixed plate, the thimbles are movably connected with the fixed frame and correspond to screening holes, the oil cylinder is fixed at the bottom of the fixed frame, and an oil cylinder top shaft penetrates through the fixed frame and is fixedly connected with the fixed plate; the oil cylinder is used for pushing the fixing plate and the ejector pin to eject the blocking objects in the screening holes to realize dredging, and the motor III is used for driving the fixing frame to slide along the sliding chute I to dredge the screening holes in different areas.
Compared with the prior art, the utility model has the beneficial effects that:
1) The dredging mechanism is provided with a screening frame I and a screening frame II, the screening frames I and II are respectively provided with a tooth hole I and a tooth hole II and are distributed in opposite directions, and the cone-shaped blocks are arranged between the brackets I and II; the motor I, the connecting rod I and the connecting rod II are matched to drive the conical block to move up and down along the guide plate, so that the dredging frame I and the dredging frame II are controlled to slide in opposite directions, the tooth holes I and the tooth holes II shear each other and crush plugs in the screening holes to finish dredging, and meanwhile, the spring III is matched with the motor II to rotate to drive the cam to push the supporting plate and the screening plate to vibrate up and down so that the screening plate can realize more effective screening; teeth are arranged on the tooth holes I and II, so that shearing and crushing are smooth.
2) Be equipped with thimble mechanism and play supplementary effect of dredging, promote fixed plate and thimble through the hydro-cylinder and carry out ejecting realization mediation to the plug in the screening hole, drive fixed frame through motor III and dredge the screening hole of different regions along spout I slip.
Drawings
FIG. 1 is a schematic diagram of a fine screening device for old road milling asphalt materials;
FIG. 2 is a schematic diagram II of a fine screening device for old road milling asphalt materials;
FIG. 3 is a schematic diagram III of a fine screening device for old road milling asphalt materials;
FIG. 4 is an enlarged schematic view of the structure of portion A of FIG. 2;
FIG. 5 is a schematic illustration of the structure of the screen plate of FIG. 2;
FIG. 6 is a schematic diagram of a second embodiment of the screen plate of FIG. 2;
FIG. 7 is a schematic view of the dredging frame II and the dredging frame I shown in FIG. 6;
FIG. 8 is a schematic diagram III of the screen plate of FIG. 6;
FIG. 9 is a schematic view of the dredging frame I in FIG. 7;
FIG. 10 is a schematic view of the dredging frame II in FIG. 7;
FIG. 11 is a schematic view of the ejector pin mechanism of FIG. 3;
in the figure: 1. a case; 101. a feed inlet; 102. a through groove I; 103. a discharge port I; 104. a discharge port II; 105. a chute I; 2. a bracket; 3. a screening plate; 31. a top plate I; 311. a guide shaft I; 312. a spring I; 32. a top plate II; 321. a guide shaft II; 322. a spring II; 33. screening holes; 34. a chute II; 35. a support plate; 36. a through groove II; 37. a guide plate; 38. a spring III; 4. a dredging mechanism; 41. dredging frame I; 411. a bracket I; 412. a baffle I; 413. a chute III; 414. a supporting rod I; 415. a tooth hole I; 416. a connecting arm I; 417. dredging plate I; 42. dredging frame II; 421. a bracket II; 422. a baffle II; 423. a tooth hole II; 424. a support rod II; 425. a connecting arm II; 426. dredging plate II; 43. a motor I; 431. a connecting rod I; 432. a connecting rod II; 433. a connecting seat; 44. a conical block; 45. a motor II; 451. a cam; 5. a thimble mechanism; 51. a motor III; 52. a fixed frame; 521. a slide block; 53. a fixing plate; 531. a thimble; 54. an oil cylinder; 55. a screw rod; 6. a collecting box I; 7. and a collecting box II.
Detailed Description
In order to facilitate understanding of those skilled in the art, the technical scheme of the present utility model will be further specifically described with reference to fig. 1 to 11.
A fine screening device for old road milling asphalt comprises a box body 1, a bracket 2, a screening plate 3, a dredging mechanism 4, a thimble mechanism 5, a collecting box I6 and a collecting box II 7; the bracket 2 supports the box body 1 to be obliquely arranged; the screening plate 3, the dredging mechanism 4 and the thimble mechanism 5 are arranged in the box body 1, the dredging mechanism 4 is movably connected with the screening plate 3, and the thimble mechanism 5 is arranged below the screening plate 3; the collecting box I6 and the collecting box II 7 are arranged at one end of the box body 1.
The top of the box body 1 is provided with a feeding hole 101 and a through groove I102, the through groove I102 is used for arranging the end part of the screening plate 3, and the other end of the box body 1 is provided with a discharging hole I103 and a discharging hole II 104 which correspond to the collecting box I6 and the collecting box II 7 respectively; the inner wall of the box body 1 is provided with a chute I105.
One end of the screening plate 3 is provided with a through groove II 36, a supporting plate 35, a guide plate 37 and a spring III 38, and the supporting plate 35 passes through the through groove I102; the screening plate 3 is provided with screening holes 33, two sides of the screening plate 3 are provided with sliding grooves II 34, one end of the screening plate 3 is provided with a top plate I31, the top plate I31 is provided with a guide shaft I311, and the guide shaft I311 is provided with a spring I312; the other end of the screening plate 3 is provided with a top plate II 32, a guide shaft II 321 is arranged on the top plate II 32, and a spring II 322 is sleeved on the guide shaft II 321; one end of the screening plate 3 is hinged with the inner wall of the box body 1 and corresponds to the discharge port I103.
The dredging mechanism 4 comprises a dredging frame I41, a dredging frame II 42, a motor I43, a conical block 44 and a motor II 45, wherein the dredging frame I41 and the dredging frame II 42 are connected in a sliding manner, the dredging frame I41 is formed by connecting a plurality of dredging plates I417 and connecting arms I416, support rods I414 are arranged on two sides of the dredging plates I417 and are arranged in the sliding grooves II 34, a support I411 is arranged at one end of the dredging frame I41, a baffle I412 and a guide shaft II 321 are arranged at the other end of the dredging plate I412 in a movable connection manner, a plurality of evenly distributed tooth holes I415 are formed in the dredging plates I417 and correspond to the screening holes 33, and sliding grooves III 413 are formed on two sides of the dredging plates I417.
The dredging frame II 42 is formed by connecting a plurality of dredging plates II 426 and connecting arms II 425, one end of the dredging frame II 42 is provided with a baffle II 422 and a bracket II 421, and the baffle II 422 is movably connected with a guide shaft I311; support rods II 424 are arranged at two ends of the dredging plate II 426 and are arranged in the sliding groove III 413, and tooth holes II 423 are formed in the dredging plate II 426 and correspond to the screening holes 33; the tooth holes II 423 and the tooth holes I415 are symmetrically arranged; the dredging frame I41 is pushed to slide towards one end of the screening plate 3 along the sliding groove II 34 by the spring II 322, and the dredging frame II 42 is pushed to slide towards the other end of the screening plate 3 along the sliding groove III 413 by the spring I312; and then the tooth holes I415 and II 423 are mutually opposite to shear and dredge the particles blocked in the sieving holes 33.
The motor I43 and the motor II 45 are fixed on the outer wall of the box body 1, a connecting rod I431 which is fixedly connected is arranged on the output shaft of the motor I43, a connecting rod II 432 is arranged at one end of the connecting rod I431 and is rotationally connected, a connecting seat 433 which is rotationally connected is arranged at the other end of the connecting rod II 432, and the connecting seat 433 is rotationally connected with the conical block 44; the conical block 44 is connected with the guide plate 37 in a sliding manner; the conical block 44 is arranged between the bracket I411 and the bracket II 421; the output shaft of the motor II 45 is provided with a cam 451, and the cam 451 is in contact with the supporting plate 35; the conical block 44 is driven to move up and down along the guide plate 37 by the aid of the motor I43, the connecting rod I431 and the connecting rod II 432 to push the support I411 and the support II 421, and then the dredging frame I41 and the dredging frame II 42 are controlled to slide in opposite directions, so that the tooth holes I415 and II 423 of the tooth holes are mutually sheared and crushed to cut plugs in screening holes, dredging is completed, and meanwhile the spring III 38 is matched with the motor II 45 to rotate to drive the cam 451 to push the support plate 35 and the screening plate 3 to vibrate up and down to enable the screening plate 3 to achieve more effective screening.
The thimble mechanism 5 comprises a motor III 51, a fixed frame 52, a fixed plate 53, an oil cylinder 54 and a screw 55, wherein the motor III 51 is fixed on the outer wall of the box body 1, two ends of the screw 55 are rotationally connected with the inner wall of the box body 1, one end of the screw 55 is connected with an output shaft of the motor III 51, two ends of the fixed frame 52 are provided with sliding blocks 521 and are arranged in sliding grooves I105, the screw 55 is connected with the bottom of the fixed frame 52 through threads, the fixed plate 53 is arranged in the fixed frame 52, a plurality of thimbles 531 are arranged on the fixed plate 53, the thimbles 531 are movably connected with the fixed frame 52 and correspond to the screening holes 33, the oil cylinder 54 is fixed at the bottom of the fixed frame 52, and the top shaft of the oil cylinder 54 penetrates through the fixed frame 52 and is fixedly connected with the fixed plate 53; the oil cylinder 54 pushes the fixed plate 53 and the thimble 531 to push out the plugs in the screening holes 33 to realize dredging, and the motor III 51 drives the fixed frame 52 to slide along the chute I105 to dredge the screening holes 33 in different areas.
A fine screening device for old road milling asphalt material has the following working process:
feeding through a feed inlet, filtering through a screening plate, and vibrating the screening plate through a motor II and a spring III in the filtering process, so that filtering and screening are facilitated; the dredging mechanism and the thimble mechanism are matched with each other to shear or eject the blocking objects in the screening holes on the screening plate, so that the dredging effect is realized, and the screening materials respectively enter the collecting box I and the collecting box II to finish screening.
The foregoing is merely illustrative and explanatory of the utility model, as it is well within the scope of the utility model as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the utility model as defined in the accompanying claims.

Claims (5)

1. A fine screening device for old road milling asphalt comprises a box body, a bracket, a screening plate, a dredging mechanism, a thimble mechanism, a collecting box I and a collecting box II; it is characterized in that the bracket supports the box body to be obliquely arranged; the screening plate, the dredging mechanism and the thimble mechanism are arranged in the box body, the dredging mechanism is movably connected with the screening plate, and the thimble mechanism is arranged below the screening plate; the collecting box I and the collecting box II are arranged at one end of the box body; the top of the box body is provided with a feed inlet and a through groove I, the through groove I is used for arranging the end part of the screening plate, and the other end of the box body is provided with a discharge port I and a discharge port II which correspond to the collecting box I and the collecting box II respectively; a chute I is arranged on the inner wall of the box body;
one end of the screening plate is provided with a through groove II, a supporting plate, a guide plate and a spring III, and the supporting plate penetrates through the through groove I; the screening plate is provided with screening holes, two sides of the screening plate are provided with sliding grooves II, one end of the screening plate is provided with a top plate I, the top plate I is provided with a guide shaft I, and the guide shaft I is provided with a spring I; the other end of the screening plate is provided with a top plate II, a guide shaft II is arranged on the top plate II, and a spring II is sleeved on the guide shaft II; one end of the screening plate is hinged with the inner wall of the box body and corresponds to the discharge port I.
2. The fine screening device for the old road milling asphalt materials is characterized in that the dredging mechanism comprises a dredging frame I, a dredging frame II, a motor I, a conical block and a motor II, wherein the dredging frame I and the dredging frame II are connected in a sliding mode, the dredging frame I is formed by connecting a plurality of dredging plates I and connecting arms I, supporting rods I are arranged on two sides of the dredging plates I and are arranged in sliding grooves II, a support I is arranged at one end of the dredging frame I, a baffle I is arranged at the other end of the dredging frame I and is movably connected with a guide shaft II, a plurality of evenly distributed tooth holes I are formed in the dredging plates I and correspond to screening holes, and sliding grooves III are formed in two sides of the dredging plates I.
3. The fine screening device for old road milling asphalt materials is characterized in that a dredging frame II is formed by connecting a plurality of dredging plates II and connecting arms II, a baffle plate II and a bracket II are arranged at one end of the dredging frame II, and the baffle plate II is movably connected with a guide shaft I; the two ends of the dredging plate II are provided with supporting rods II and are arranged in the sliding groove III, and the dredging plate II is provided with tooth holes II corresponding to the screening holes; and the tooth holes II and the tooth holes I are symmetrically arranged.
4. The fine screening device for the old road milling asphalt materials is characterized in that a motor I and a motor II are fixed on the outer wall of a box body, a connecting rod I which is fixedly connected is arranged on an output shaft of the motor I, one end of the connecting rod I is provided with a connecting rod II which is rotationally connected, the other end of the connecting rod II is provided with a connecting seat which is rotationally connected, and the connecting seat is rotationally connected with a conical block; the conical block is connected with the guide plate in a sliding way; the conical block is arranged between the bracket I and the bracket II; and a cam is arranged on the output shaft of the motor II and is in contact with the supporting plate.
5. The fine screening device for the old road milling asphalt materials is characterized in that the thimble mechanism comprises a motor III, a fixed frame, a fixed plate, an oil cylinder and a screw rod, wherein the motor III is fixed on the outer wall of a box body, two ends of the screw rod are rotationally connected with the inner wall of the box body, one end of the screw rod is connected with an output shaft of the motor III, two ends of the fixed frame are provided with sliding blocks and are arranged in a sliding groove I, the screw rod is connected with the bottom of the fixed frame through threads, the fixed plate is arranged in the fixed frame, a plurality of thimbles are arranged on the fixed plate, the thimbles are movably connected with the fixed frame and correspond to screening holes, the oil cylinder is fixed at the bottom of the fixed frame, and an oil cylinder jacking shaft penetrates through the fixed frame and is fixedly connected with the fixed plate.
CN202320430404.9U 2023-03-09 2023-03-09 Fine screening device for old asphalt materials of road milling and planing Active CN219690240U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320430404.9U CN219690240U (en) 2023-03-09 2023-03-09 Fine screening device for old asphalt materials of road milling and planing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320430404.9U CN219690240U (en) 2023-03-09 2023-03-09 Fine screening device for old asphalt materials of road milling and planing

Publications (1)

Publication Number Publication Date
CN219690240U true CN219690240U (en) 2023-09-15

Family

ID=87941551

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320430404.9U Active CN219690240U (en) 2023-03-09 2023-03-09 Fine screening device for old asphalt materials of road milling and planing

Country Status (1)

Country Link
CN (1) CN219690240U (en)

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