CN-121976444-A - Efficient stirring device for asphalt mixture and application method

CN121976444ACN 121976444 ACN121976444 ACN 121976444ACN-121976444-A

Abstract

The invention discloses an efficient stirring device for asphalt mixture and a using method thereof, and relates to the technical field of mixing and stirring tools, wherein the efficient stirring device comprises a hot material storage bin, a fine aggregate weighing hopper, a coarse aggregate weighing hopper, a stirring pot and a mounting frame; according to the invention, through the coordination of the fine aggregate weighing hopper, the coarse aggregate weighing hopper and the second revolving door, the fine aggregate and the coarse aggregate are controlled to enter a stirring pot in sequence for stirring, the stepwise stirring of ingredients is realized, the asphalt wrapping uniformity is improved, environmental temperature and humidity data are collected in real time through an analysis module, the actual feeding amount of asphalt and aggregate is calculated dynamically by combining the preset reference parameters and the experimental fitting influence coefficient, the corresponding stirring speed adjusting signal is generated, the stable mixing ratio can be maintained under different temperature and humidity conditions, the coordination precision and the integral quality of asphalt mixture are improved, and the revolving speed of the stirring device is adjusted in real time by an adjusting module according to the speed adjusting signal output by the analysis module, so that the stirring device is suitable for stirring requirements under different temperature and humidity conditions.

Inventors

HONG GANG
Qin Zuguo
RAO SONG
TAN HONG
HAN JINGYU
LI ZHANGTAO
ZOU CHENG
WEI YANBIN
JIN YONGBO

Assignees

云南交投公建工程养护有限公司

Dates

Publication Date: 20260505
Application Date: 20260226

Claims (10)

1. The efficient asphalt mixture stirring device comprises a hot material storage bin (1), a fine aggregate weighing hopper (2), a coarse aggregate weighing hopper (3), a stirring pot (4) and a mounting frame (26), and is characterized in that a plurality of storage areas are partitioned by a plurality of partition boards in the hot material storage bin (1), a longitudinal blanking opening is formed in the bottom of the hot material storage bin (1) in a matched mode, the fine aggregate weighing hopper (2) and the coarse aggregate weighing hopper (3) are respectively arranged on two sides below the blanking opening of the hot material storage bin (1), the stirring pot (4) is arranged under the fine aggregate weighing hopper (2) and the coarse aggregate weighing hopper (3), a discharging opening is formed in the bottom of the stirring pot (4), the mounting frame (26) is arranged at the rear ends of the hot material storage bin (1), the fine aggregate weighing hopper (2), the coarse aggregate weighing hopper (3) and the stirring pot (4), and a stirring pot (4) are respectively arranged on two sides below the blanking opening of the hot material storage bin (1), and a stirring component is arranged on the fine aggregate weighing hopper (3) and the stirring pot (4) in a matched mode; An intelligent control component is arranged in the control box of the stirring device, and comprises an analysis module; the system comprises an analysis module, an adjustment module, a laboratory quantitative index score, a production process parameter index score and a visual observation index score, wherein the analysis module is used for receiving and preprocessing acquired environmental temperature and humidity and stirring parameter data, analyzing deviation of asphalt feeding quantity, aggregate feeding quantity and stirring speed caused by temperature and humidity change, adjusting stirring speed according to the deviation, generating a speed adjusting signal, transmitting the speed adjusting signal to the adjustment module, quantifying stirring uniformity through the laboratory quantitative index score, the production process parameter index score and the visual observation index score, generating a stirring stopping signal when the stirring uniformity reaches a set value, and transmitting the stirring stopping signal to the adjustment module.
2. The efficient asphalt mixture stirring device according to claim 1, wherein the analysis module performs the step of feeding amount deviation analysis as follows: M1, taking humidity and temperature data corresponding to standard environment as reference humidity And temperature data The standard asphalt feeding amount corresponding to the standard humidity and the standard temperature is Actual feeding amount of asphalt Acquiring and preprocessing the acquired data, and actually feeding asphalt , For the humidity correction coefficient, the temperature of the air is adjusted, A reference stirring speed corresponding to the reference humidity and the reference temperature is Actual stirring speed , Is a temperature and humidity composite correction coefficient, and the feeding amount of the reference aggregate is Actual feeding amount of aggregate , As the aggregate density at the reference humidity, Is the actual humidity Aggregate density below; M2, preprocessing the acquired data after acquiring the current humidity data and the temperature data, substituting the preprocessed data and the reference temperature and reference humidity data into corresponding calculation formulas, and calculating the corresponding actual feeding amount 、 After the speed regulation signal is generated, the stirring speed caused by the temperature and humidity data change is measured And the speed regulating signal is transmitted to the regulating module.
3. The efficient stirring device for asphalt mixtures according to claim 1, wherein the analyzing module performs the step of analyzing the stirring uniformity as follows: n1, obtaining a laboratory quantitative index score reflecting the material essential uniformity Production process parameter index score reflecting stirring process stability And visual observation index score reflecting apparent uniformity of material Obtaining comprehensive scores through weighted calculation ; N2 when And when the stirring uniformity is judged to reach the standard, after a stirring stopping signal is generated, the stirring stopping signal is transmitted to the adjusting module.
4. The efficient asphalt mixture stirring device according to claim 1, wherein the blanking distribution assembly comprises a plurality of first electric pushing cylinders (5) which are respectively arranged at the front end and the rear end of the hot material storage bin (1), the first electric pushing cylinders (5) at the same end are respectively arranged at two sides of the hot material storage bin (1) in a triplet, a first crank connecting rod (6) is connected to an output shaft of the first electric pushing cylinders (5), a first rotary door (7) is horizontally connected to the other ends of the first crank connecting rods (6) at the same side at the two ends, two ends of the first rotary doors (7) are respectively connected to the hot material storage bin (1) in a rotary mode corresponding to blanking openings, and the first rotary doors (7) are respectively sealed in a matched mode corresponding to the blanking openings.
5. The efficient asphalt mixture stirring device according to claim 1, wherein the two sides of the fine aggregate weighing hopper (2) and the coarse aggregate weighing hopper (3) are respectively provided with a second electric pushing cylinder (8), the lower ends of the fine aggregate weighing hopper (2) and the coarse aggregate weighing hopper (3) are respectively provided with a transverse discharge hole, an output shaft of the second electric pushing cylinder (8) is connected with a second crank connecting rod (9), the other ends of the two second crank connecting rods (9) on the same side are jointly and horizontally connected with a second rotary door (10), the two second rotary doors (10) are respectively matched with the two discharge holes to be connected on the fine aggregate weighing hopper (2) and the coarse aggregate weighing hopper (3) in a rotary mode, and the two second rotary doors (10) are matched with the corresponding discharge holes to be sealed.
6. The efficient asphalt mixture stirring device according to claim 1, wherein the burdening mixing assembly comprises support brackets (18) arranged on two sides of the stirring pot (4), two bearing protectors (20) are respectively and longitudinally arranged at the upper ends of the support brackets (18) on two sides in sequence, one side of each bearing protector (20) is connected with a speed reducer (21) through a connecting pipe, a second motor (19) is arranged at the upper end of each speed reducer (21), an output shaft of each second motor (19) is connected with a driving shaft of each speed reducer (21) through a coupler, a driven shaft of each speed reducer (21) is connected with a connecting shaft, the connecting shafts are arranged in the connecting pipes to rotate, the other ends of the connecting shafts are connected with rotating shafts through flanges, the rotating shafts are transversely connected inside the stirring pot (4) in sequence and are respectively matched with a plurality of stirring blades (25), and two ends of each stirring blade (25) are respectively arranged in the corresponding bearing protectors (20) to rotate.
7. The efficient asphalt mixture stirring device according to claim 1, wherein two sides of the upper end of the stirring pan (4) are respectively provided with a powder weighing hopper (15) and an asphalt weighing hopper (11), the lower end of the powder weighing hopper (15) is transversely connected with a powder conveying pipe (16), the other end of the powder conveying pipe (16) is arranged in the stirring pan (4), a discharging pipe is arranged below the other end of the powder conveying pipe (16), a powder conveying screw (17) is transversely and rotatably connected in the powder conveying pipe (16), a supporting plate is arranged below the other end of the powder conveying pipe (16), the rear end of the supporting plate is arranged on the inner wall of the stirring pan (4), one end of the powder conveying pipe (16) is provided with a first motor (14), and the output end of the first motor (14) is connected with the powder conveying screw (17) through a coupling.
8. The efficient asphalt mixture stirring device according to claim 5, wherein the lower end of the asphalt weighing hopper (11) is connected with a return asphalt spraying pipe (12), one side of the asphalt spraying pipe (12) is arranged in the stirring pan (4), the asphalt spraying pipe (12) is equidistantly connected with inverted J-shaped spraying pipes, the spraying pipes are arranged in the stirring pan (4), two valves (13) are arranged on the asphalt spraying pipe (12), and the two valves (13) are all arranged on the outer side of the stirring pan (4).
9. The efficient asphalt mixture stirring device according to claim 1, wherein a third electric pushing cylinder (22) is respectively arranged on two sides of the stirring pot (4), a third crank connecting rod (23) is connected to an output shaft of the third electric pushing cylinder (22), a third revolving door (24) is horizontally connected to the other ends of the two third crank connecting rods (23) together, the third revolving door (24) is rotatably connected to the lower ends of the two support brackets (18), and the third revolving door (24) can be matched with a discharge port to seal.
10. A method for using the efficient asphalt mixture stirring device as defined in any one of claims 1 to 9, which is characterized by comprising the following steps: The method comprises the steps of Q1, blanking through a first revolving door (7), enabling coarse aggregates to fall into a coarse aggregate weighing hopper (3), enabling fine aggregates to fall into a fine aggregate weighing hopper (2), after weighing, enabling the coarse aggregates to fall into a stirring pot (4), enabling a powder conveying screw (17) to rotate, conveying powder into the stirring pot (4), enabling asphalt to be sprayed into the stirring pot (4) through a valve (13) on an asphalt spraying pipe (12), and enabling the asphalt to be primarily stirred through a second motor (19); in the stirring process, dynamically calculating the actual asphalt feeding amount, the actual aggregate feeding amount and the actual stirring speed by an analysis module based on the reference humidity, the reference temperature and the influence coefficient of experimental fitting, and adjusting the rotating speed of a second motor (19) in real time by an adjustment module based on the actual stirring speed; And Q3, after the uniform stirring is judged again, opening a third rotary door (24) to discharge the mixture.

Description

Efficient stirring device for asphalt mixture and application method Technical Field The invention relates to the technical field of mixing and stirring tools, in particular to an efficient stirring device for asphalt mixtures and a using method thereof. Background The asphalt mixture stirring device is engineering equipment for highway construction and maintenance, and ensures the production quality and construction efficiency of asphalt mixture by rapidly and uniformly stirring aggregate, asphalt and filler; The mixing process of the existing asphalt mixture stirring device generally comprises the steps of firstly adding sand aggregates into a stirring pot for stirring, then simultaneously adding powder and asphalt into the stirring pot after a period of time, and carrying out reciprocating stirring by the stirring device to produce asphalt mixture, but when the stirring time is compact in actual production, the problem that the asphalt cannot be completely wrapped with coarse and fine aggregates under the condition that coarse and fine aggregates are simultaneously added with the asphalt and the powder for stirring, so that the stirring time needs to be prolonged can occur in the mode; therefore, there is a need for improved treatments to the problems set forth above. Disclosure of Invention The invention aims to solve the defects in the prior art, and provides a high-efficiency stirring device for asphalt mixture and a using method thereof. In order to solve the technical problems, the technical scheme includes that the asphalt mixture efficient stirring device comprises a hot material storage bin, a fine aggregate weighing hopper, a coarse aggregate weighing hopper, a stirring pot and a mounting frame, wherein the inside of the hot material storage bin is partitioned by a plurality of partition plates, a plurality of storage areas are matched with the bottom of the hot material storage bin, longitudinal blanking openings are formed in the bottom of the hot material storage bin, the fine aggregate weighing hopper and the coarse aggregate weighing hopper are respectively arranged on two sides below the blanking openings of the hot material storage bin, the stirring pot is arranged under the fine aggregate weighing hopper and the coarse aggregate weighing hopper, a discharging opening is formed in the bottom of the stirring pot, the mounting frame is arranged at the rear ends of the hot material storage bin, the fine aggregate weighing hopper, the coarse aggregate weighing hopper and the stirring pot, a blanking distribution component is arranged on the coarse aggregate weighing hopper, the fine aggregate weighing hopper and the hot material storage bin, and a batching and mixing component is arranged on the stirring pot; An intelligent control component is arranged in the control box of the stirring device, and comprises an analysis module; the system comprises an analysis module, an adjustment module, a laboratory quantitative index score, a production process parameter index score and a visual observation index score, wherein the analysis module is used for receiving and preprocessing acquired environmental temperature and humidity and stirring parameter data, analyzing deviation of asphalt feeding quantity, aggregate feeding quantity and stirring speed caused by temperature and humidity change, adjusting stirring speed according to the deviation, generating a speed adjusting signal, transmitting the speed adjusting signal to the adjustment module, quantifying stirring uniformity through the laboratory quantitative index score, the production process parameter index score and the visual observation index score, generating a stirring stopping signal when the stirring uniformity reaches a set value, and transmitting the stirring stopping signal to the adjustment module. Preferably, the step of the analysis module for the deviation analysis of the feed amount is as follows: M1, taking humidity and temperature data corresponding to standard environment as reference humidity And temperature dataThe standard asphalt feeding amount corresponding to the standard humidity and the standard temperature isActual feeding amount of asphaltAcquiring and preprocessing the acquired data, and actually feeding asphalt,For the humidity correction coefficient, the temperature of the air is adjusted,A reference stirring speed corresponding to the reference humidity and the reference temperature isActual stirring speed,Is a temperature and humidity composite correction coefficient, and the feeding amount of the reference aggregate isActual feeding amount of aggregate,As the aggregate density at the reference humidity,Is the actual humidityAggregate density below; M2, preprocessing the acquired data after acquiring the current humidity data and the temperature data, substituting the preprocessed data and the reference temperature and reference humidity data into corresponding calculation formulas, and calculating the correspo