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CN-122013639-A - Phosphogypsum fly ash roadbed backfill device

CN122013639ACN 122013639 ACN122013639 ACN 122013639ACN-122013639-A

Abstract

The invention discloses a phosphogypsum fly ash roadbed backfilling device which comprises a bottom frame, wherein the upper surface of the bottom frame is fixedly connected with a buffer stirring box, the inner wall of the buffer stirring box is rotationally connected with a stirring shaft through a bearing, the outer surface of the stirring shaft is fixedly connected with a plurality of stirring rods, and the upper surface of each stirring rod is fixedly connected with a connecting rod. The device realizes continuous stirring of phosphogypsum fly ash mixture through the buffer stirring structure, the stirring power part drives the stirring shaft to rotate, drives the stirring rod and the connecting rod to synchronously operate, continuously and fully stirs the mixture in the buffer stirring box, avoids the phenomenon of static hardening of the mixture due to the separation of conveying and paving operation, effectively solves the problems of static hardening and material segregation of the mixture, ensures the stability of backfill material, improves the compactness and flatness of a roadbed backfill layer, reduces the fluctuation of backfill quality, ensures that roadbed construction accords with the standard, and prolongs the whole service life and stability of roadbeds.

Inventors

  • CHEN LIANG
  • ZHAO RUI
  • YU XINWEI

Assignees

  • 杭州雁翔新材料科技有限公司

Dates

Publication Date
20260512
Application Date
20260408

Claims (7)

  1. 1. The phosphogypsum fly ash roadbed backfilling device comprises a bottom frame (1) and is characterized in that the upper surface of the bottom frame (1) is fixedly connected with a buffer stirring box (2), the inner wall of the buffer stirring box (2) is rotationally connected with a stirring shaft (10) through a bearing, the outer surface of the stirring shaft (10) is fixedly connected with a plurality of stirring rods (9), each stirring rod (9) is fixedly connected with a connecting rod (13) on the upper surface, the bottom surface of the buffer stirring box (2) is fixedly connected with a discharging box (8), the inner wall of the discharging box (8) is fixedly connected with a flow regulating valve (21), the upper surface of the buffer stirring box (2) is fixedly connected with a first fixing frame (12), the inner part of the first fixing frame (12) is fixedly connected with a stirring motor (11), and the output end of the stirring motor (11) is fixedly connected with one end of the stirring shaft (10) through a speed reducer.
  2. 2. The phosphogypsum fly ash roadbed backfilling device according to claim 1 is characterized in that the upper surface of the buffer stirring box (2) is fixedly connected with a feeding box (5), and the upper surface of the feeding box (5) is hinged with a feeding door (4) through a hinge.
  3. 3. The phosphogypsum fly ash roadbed backfilling device according to claim 1 is characterized in that the upper surface of the underframe (1) is fixedly connected with a mounting plate (7), and the outer surface of the mounting plate (7) is fixedly connected with a controller (6).
  4. 4. The phosphogypsum fly ash roadbed backfilling device according to claim 1, wherein the bottom surface of the underframe (1) is fixedly connected with two first fixing plates (20), a rotating shaft (19) is rotatably connected between the two first fixing plates (20) through a bearing, a refining component (24) is fixedly connected to the outer surface of the rotating shaft (19), a second fixing frame (22) is fixedly connected to the outer surface of one of the first fixing plates (20), a rotating motor (23) is fixedly connected to the inner part of the second fixing frame (22), and the output end of the rotating motor (23) is fixedly connected with one end of the rotating shaft (19) through a speed reducer.
  5. 5. The phosphogypsum fly ash roadbed backfilling device is characterized in that a fixed rod (14) is fixedly connected to the inner wall of the underframe (1), a guiding telescopic rod (16) is fixedly connected to the bottom surface of the fixed rod (14), a material homogenizing frame (17) is fixedly connected to the bottom surface of the guiding telescopic rod (16), two first compression springs (15) are fixedly connected between the material homogenizing frame (17) and the fixed rod (14), and a material homogenizing roller (18) is rotatably connected to the inner wall of the material homogenizing frame (17) through a bearing.
  6. 6. The phosphogypsum fly ash roadbed backfilling device is characterized in that one side surface of the underframe (1) is fixedly connected with two second fixing plates (29), one side surface, which is close to each other, of each second fixing plate (29) is provided with a slide way (25), the interiors of the two slide ways (25) are respectively and slidably connected with a slide block (28), compaction rollers (27) are rotatably connected between the two slide blocks (28) through bearings, a third fixing plate (30) is fixedly connected between the two second fixing plates (29), and each slide block (28) and the third fixing plate (30) are respectively and fixedly connected with a second compression spring (26).
  7. 7. The phosphogypsum fly ash roadbed backfilling device according to claim 1 is characterized in that the outer surface of the underframe (1) is fixedly connected with four driving wheels (3).

Description

Phosphogypsum fly ash roadbed backfill device Technical Field The invention relates to the technical field of roadbed construction equipment, in particular to a phosphogypsum fly ash roadbed backfilling device. Background Phosphogypsum is used as main industrial waste residue discharged in the wet-process phosphoric acid production process, the annual discharge amount is huge, soluble pollutants contained in phosphogypsum can be soaked and permeated by rainwater to pollute soil and water systems, ecological environment and human health are threatened, fly ash is used as a byproduct of a coal-fired power plant, a large amount of accumulation and environmental pollution problems are faced, phosphogypsum and fly ash are mixed and modified according to reasonable proportion and then are used for roadbed backfilling, the reduction, harmless and recycling of two industrial wastes can be realized, the dependence of roadbed construction on natural aggregate can be reduced, the construction cost is saved, and the sustainable development concept is met. In the backfill construction process of the phosphogypsum fly ash mixture, the control difficulty is high due to the operation time of mixture conveying and paving, the problem of material segregation is easy to occur, and the mixture is fast hardened after standing for too long, so that the compactness and flatness of the roadbed backfill layer are uneven, the backfill quality fluctuation is high, the standard of roadbed construction is difficult to be met, the stability and the service life of the roadbed are also influenced, and therefore, the phosphogypsum fly ash roadbed backfill device is provided for solving the problem. Disclosure of Invention The invention aims to provide a phosphogypsum fly ash roadbed backfilling device, which aims to solve the problems in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: The utility model provides a phosphogypsum fly ash roadbed backfill device, includes the chassis, the upper surface fixedly connected with buffering agitator tank of chassis, the inner wall of buffering agitator tank is connected with the (mixing) shaft through the bearing rotation, the surface fixedly connected with of (mixing) shaft a plurality of puddlers, every the equal fixedly connected with connecting rod of upper surface of puddler, the bottom surface fixedly connected with discharging case of buffering agitator tank, the inner wall fixedly connected with flow control valve of discharging case, the first mount of upper surface fixedly connected with of buffering agitator tank, the inside fixedly connected with (mixing) motor of first mount, the output of (mixing) motor passes through the one end fixedly connected with of reduction gear and (mixing) shaft. In a further embodiment, the upper surface of the buffer stirring box is fixedly connected with a feeding box, and the upper surface of the feeding box is hinged with a feeding door through a hinge. In a further embodiment, the upper surface of the chassis is fixedly connected with a mounting plate, and the outer surface of the mounting plate is fixedly connected with a controller. In a further embodiment, the bottom surface fixedly connected with two first fixed plates of chassis, two be connected with the pivot through the bearing rotation between the first fixed plate, the surface fixedly connected with refining subassembly of pivot, one of them the surface fixedly connected with second mount of first fixed plate, the inside fixedly connected with rotating electrical machines of second mount, the output of rotating electrical machines passes through the one end fixed connection of reduction gear and pivot. In a further embodiment, the inner wall fixedly connected with dead lever of chassis, the bottom surface fixedly connected with direction telescopic link of dead lever, the bottom surface fixedly connected with even work or material rest of direction telescopic link, two first compression springs of fixedly connected with between even work or material rest and the dead lever, the inner wall of even work or material rest is connected with the material homogenizing roller through the bearing rotation. In a further embodiment, two second fixed plates are fixedly connected to one side face of the bottom frame, a slide way is formed in one side face, close to each other, of the two second fixed plates, sliding blocks are slidably connected to the inside of the slide way, compaction rollers are rotatably connected between the two sliding blocks through bearings, a third fixed plate is fixedly connected between the two second fixed plates, and a second compression spring is fixedly connected between the two sliding blocks and the third fixed plates. In a further embodiment, the outer surface of the chassis is fixedly connected with four driving wheels. Compared with the prior art, the invention has the beneficial effec