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CN-122013635-A - Road old material regeneration paving device

CN122013635ACN 122013635 ACN122013635 ACN 122013635ACN-122013635-A

Abstract

The invention relates to the technical field of road maintenance equipment, in particular to a road old material regeneration paving device which comprises a conveying component connected with a cement pump truck, and comprises a processing component, a crushing component, a collecting component, a stirring component and a paving component, wherein a supporting pipeline, a screw conveying propeller, a driven rod, a reciprocating first sleeve and a first rotating shaft with fan blades are arranged in the processing component, a screening conveying cylinder and a filter screen are matched, and the stirring component is externally connected with a hot air box. During operation, old pavement materials are crushed by the crushing assembly and then enter the conveying cylinder, qualified aggregate is conveyed into the stirring assembly for compound stirring and regeneration through unidirectional rotation screening, hot air drying and mechanical transmission dust removal, and finally pavement repair is completed through the paving assembly. The invention adopts pure mechanical transmission to realize dust removal operation, avoids hidden danger of dust damage to a motor, realizes crushing, screening, drying, regenerating and paving closed-loop operation by the whole machine, has high recycling rate of old materials, low equipment failure rate, environmental protection and energy saving, and has stable and reliable pavement repair quality.

Inventors

  • ZHAO QIAN
  • ZHU ERGANG
  • ZHANG TONG
  • Pei Yanze
  • YAO XIAOYU
  • CAI YONGQIANG
  • SONG JINTANG

Assignees

  • 山西省交通环境保护中心站（有限公司）

Dates

Publication Date
20260512
Application Date
20260413

Claims (10)

  1. 1. The road old material regeneration paving device is characterized by comprising The device comprises a processing assembly (10), a crushing assembly (20) connected with the inside of the processing assembly (10), a collecting assembly (30) and a stirring assembly (40) which are arranged at two ends of the processing assembly (10), and a paving assembly (50) arranged at the lower end of the processing assembly (10); the processing assembly (10) comprises a supporting pipeline (11) communicated with the crushing assembly (20), a screw conveying propeller (12) arranged in the supporting pipeline (11), a first rotating shaft (13) rotatably arranged in the supporting pipeline (11), fan blades (131) arranged on the outer wall of the first rotating shaft (13), and a spiral groove (132) arranged on the outer wall of the first rotating shaft (13), wherein one end, close to the screw conveying propeller (12), of the spiral groove (132) is connected with a bell mouth (133); the screw conveyor comprises a driven rod (14) arranged at one end of a screw conveying propeller (12) close to a first rotating shaft (13), a bidirectional thread groove (141) arranged on the outer wall of the driven rod (14), a first sleeve (15) arranged on the outer wall of the driven rod (14), a first sliding block (151) arranged on the inner wall of the first sleeve (15) and capable of sliding along the inside of the bidirectional thread groove (141), a second sliding block (152) rotatably arranged at one end of the first sleeve (15) close to the first rotating shaft (13) and capable of sliding along the inside of the spiral groove (132), and a first elastic piece (16) arranged between the second sliding block (152) and the first sleeve (15).
  2. 2. The road old material regeneration paving device according to claim 1, wherein a conveying cylinder (17) is arranged in the supporting pipeline (11), and the conveying cylinder (17) is rotationally connected with the screw conveying propeller (12); the conveying cylinder (17) is provided with first support rods (171) near one end of the driven rod (14) in an array mode, and a filter screen is arranged between the two first support rods (171).
  3. 3. The road old recycling and paving apparatus as set forth in claim 2, characterized in that a limiting ring (172) is connected between the plurality of first struts (171).
  4. 4. The road old material regeneration paving device according to claim 3, wherein a first groove (1721) is formed in the inner wall of the limiting ring (172), an abutting block (18) is rotatably arranged in the first groove (1721), a first inclined surface (181) is formed at the bottom of the abutting block (18), and a second elastic piece (19) is arranged between the abutting block (18) and the first groove (1721); One end of the screw conveying propeller (12) is provided with a limiting shaft (121), and the outer wall of the limiting shaft (121) is provided with an arc-shaped block (1211).
  5. 5. The road old material regeneration paving device according to claim 4, wherein a notch (153) for the second slide block (152) to rotate is arranged on the outer wall of the first sleeve (15), and a limiting table (1531) is arranged on the inner wall of the notch (153).
  6. 6. The road old material regeneration paving device according to claim 5, wherein the outer wall of the first sleeve (15) is fixedly connected with a first ring (154), the outer wall of the first ring (154) is provided with a second supporting rod (1541), and the inner wall of the supporting pipeline (11) is provided with a sliding groove for the second supporting rod (1541) to slide.
  7. 7. The road old material regeneration paving device according to claim 6, wherein the outer wall of the first rotating shaft (13) is sleeved with a second ring (134), the outer wall of the second ring (134) is provided with a third supporting rod (1341), and the third supporting rod (1341) is fixedly connected with the inner wall of the supporting pipeline (11).
  8. 8. The road old recycling and paving apparatus of claim 7, wherein the crushing assembly (20) includes a crushing tank (21) and a crushing shaft (22) inside the crushing tank (21).
  9. 9. Road old material recycling and paving device according to claim 8, characterized in that the supporting pipeline (11) is arranged obliquely, and the lower end of the supporting pipeline (11) is connected with the collecting assembly (30); The number of turns of the bidirectional thread groove (141) is smaller than that of the spiral groove (133).
  10. 10. The road old material recycling and paving device according to claim 9, wherein the stirring assembly (40) is externally connected with a hot air box (60).

Description

Road old material regeneration paving device Technical Field The invention relates to the technical field of road maintenance equipment, in particular to a road old material regeneration paving device. Background Asphalt pavement is a core pavement structure of municipal roads and highway networks in China, is subjected to multiple influences such as vehicle reciprocating load, rainwater erosion, temperature difference change and the like for a long time, is extremely easy to generate structural diseases such as pits, looseness and cracks, and the market demand of pavement repair and maintenance continuously rises. The traditional road repair operation mostly adopts a mode of milling waste asphalt material for outward transportation and disposal and outsourcing brand new asphalt material for on-site backfilling, so that the recycling rate of waste asphalt aggregate is extremely low, the material is transported back and forth, new material purchase is greatly pushed up, the maintenance cost is greatly increased, meanwhile, dust pollution and solid waste accumulation are easy to occur in the milling and transportation link, and the development concept of the road maintenance industry of current green low-carbon recycling is contrary to that of the current green low-carbon recycling. Under the background, the on-site regeneration technology of the old asphalt materials gradually becomes the main stream development direction, and the integrated paving device capable of realizing on-site crushing, sorting, regeneration and paving of the old asphalt materials becomes key equipment for breaking the traditional maintenance pain point and improving the recycling rate of the old asphalt materials due to the advantages of fine repair of the adaptive scattered pits and reduction of the construction flow, so that the industrial demand on the high-efficiency, environment-friendly and stable integrated paving device is increasingly urgent. The existing small-sized asphalt used material regeneration paving equipment on the market has a plurality of technical defects that the equipment is difficult to adapt to the actual maintenance operation requirement, firstly, the dust removal system adopts an external motor driving mode, asphalt dust is easy to invade the inside of a motor in the operation process, so that transmission parts are worn, circuit short-circuit faults are caused, the equipment fault rate is high, and the later maintenance cost is high. Disclosure of Invention The present invention has been made in view of the above-mentioned problems occurring in the prior art. In order to solve the technical problems, the invention provides the technical scheme that the road old material regeneration paving device comprises a processing component, a crushing component, a collecting component, a stirring component and a paving component, wherein the crushing component is internally connected with the processing component; The processing assembly comprises a supporting pipeline communicated with the crushing assembly, a screw conveying propeller arranged in the supporting pipeline, a first rotating shaft rotatably arranged in the supporting pipeline, fan blades arranged on the outer wall of the first rotating shaft, and a screw groove arranged on the outer wall of the first rotating shaft, wherein one end, close to the screw conveying propeller, of the screw groove is connected with a bell mouth; The screw conveyor comprises a driven rod, a bidirectional thread groove, a first sleeve, a first sliding block, a second sliding block and a first elastic piece, wherein the driven rod is arranged at one end of the screw conveyor, which is close to the first rotating shaft, the bidirectional thread groove is arranged at the outer wall of the driven rod, the first sleeve is arranged at the outer wall of the driven rod, the inner wall of the first sleeve can slide along the inner part of the bidirectional thread groove, the second sliding block is rotatably arranged at one end of the first sleeve, which is close to the first rotating shaft, and the second sliding block can slide along the inner part of the spiral groove, and the first elastic piece is arranged between the second sliding block and the first sleeve. As a preferable scheme of the road old material regeneration paving device, a conveying cylinder is arranged in the supporting pipeline and is in rotary connection with the screw conveying propeller; The conveying cylinder is provided with a first supporting rod in an array mode at one end, close to the driven rod, of the conveying cylinder, and a filter screen is arranged between the two first supporting rods. As a preferable scheme of the road old material regeneration paving device, a limiting ring is connected among a plurality of first struts. As a preferable scheme of the road old material regeneration paving device, the invention is characterized in that a first groove is arranged on the inner wall of the limiting ri