CN217436855U

CN217436855U - Rubber powder composite modified asphalt discharging device

Info

Publication number: CN217436855U
Application number: CN202220616343.0U
Authority: CN
Inventors: 后乐田; 左强; 蔡乾东; 马靖龙; 边瑞鹏; 姚正鹏
Original assignee: Gansu Road And Bridge No3 Road Engineering Co ltd
Current assignee: Gansu Road And Bridge No3 Road Engineering Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-09-16
Anticipated expiration: 2032-03-21

Abstract

The utility model discloses a rubber powder composite modified asphalt discharging device, which comprises a vehicle frame, wherein the bottom of the vehicle frame is provided with wheels, the vehicle frame is provided with a height and inclination adjusting component, the height and inclination adjusting component is provided with a discharging barrel component, the height and inclination adjusting component is used for adjusting the height and inclination of the discharging barrel component, the front end of the discharging barrel component is provided with a feeding hole, and the feeding hole is connected with a feeding pipe; the rear end of the discharging barrel assembly is provided with a discharging hole, and a discharging pipe is connected to the discharging hole. The utility model provides a pitch discharge apparatus has strong adaptability, unload characteristics such as efficient, flexible, accurate control, operation safety of unloading, can effectively solve the technical problem that compound modified asphalt of rubber powder unloaded the existence, improves the construction operating efficiency, and specially adapted mixes compound modified asphalt of volume rubber powder greatly, also can be used to high viscosity modified asphalt, natural asphalt and high modulus modified asphalt.

Description

Rubber powder composite modified asphalt discharging device

Technical Field

The utility model relates to a pitch unloading equipment technical field, concretely relates to compound modified asphalt discharge apparatus of rubber powder.

Background

The rubber powder composite modified asphalt is a composite modified asphalt cementing material which is produced by waste tire rubber powder, matrix asphalt, a modifier (SBS or SBR and the like) or assisted by graphene, a stabilizer, an activator, a cross-linking agent and the like according to a certain proportion and through a certain process, the rubber powder composite modified asphalt is used for paving a pavement, the deformation resistance and the fatigue cracking resistance of an asphalt mixture are effectively improved, compared with the traditional modified asphalt pavement, the composite modified asphalt is more environment-friendly and durable, has low noise, is not easy to freeze, has better weather resistance and longer service life, and is one of important directions for the development of novel pavement materials in China. The mixing amount of rubber powder in the rubber powder composite modified asphalt is usually 15-40%, the rubber powder adsorbs asphalt light oil in the desulfurization swelling process, the problems of high construction temperature and high viscosity generally exist, and the larger the mixing amount of the rubber powder is, the larger the viscosity is expressed. On one hand, the pumping and loading and unloading efficiency of the asphalt cement is directly reduced due to high viscosity, the asphalt transportation tank car is unloaded into an on-site unloading pool and pumped into a fixed asphalt storage tank after reaching a mixing station, the efficiency of the traditional temporary heating and self-flow unloading mode is too low, and the unloading time is increased by more than 2-4h compared with the traditional modified asphalt; on the other hand, because the density difference exists between the rubber powder and the matrix asphalt, the phenomena of segregation and agglomeration are easy to occur in the transportation and storage processes, and the phenomena are more obvious along with the increase of the mixing amount of the rubber powder; when the temperature of the asphalt on site is low, the conveying pipeline is easy to block. Therefore, the rubber powder composite modified asphalt produced in factory generally requires to be used up within 24 hours, and the effective operation time is often directly shortened due to overlong unloading time, so that the pavement performance of the rubber powder composite modified asphalt is influenced, the construction organization and schedule are not facilitated, the construction efficiency is reduced, and the construction cost is increased.

Disclosure of Invention

In order to solve the technical problem, the main object of the utility model is to provide a rubber powder composite modified asphalt discharging device.

In order to achieve the above purpose, the present invention adopts the following technical solution.

The rubber powder composite modified asphalt discharging device comprises a frame, wheels are arranged at the bottom of the frame, a height and inclination adjusting assembly is arranged on the frame, a discharging barrel assembly is arranged on the height and inclination adjusting assembly and used for adjusting the height and inclination of the discharging barrel assembly, a feeding hole is formed in the front end of the discharging barrel assembly, and a feeding pipe is connected to the feeding hole; the rear end of the discharging barrel assembly is provided with a discharging hole, and a discharging pipe is connected to the discharging hole.

Further, the discharging barrel assembly comprises a straight barrel and a speed regulating motor; the front end of the straight cylinder is provided with a front end cover, the upper surface of the front end of the straight cylinder is provided with the feed inlet, a shell of the speed regulating motor is connected with the front end cover, a motor shaft of the speed regulating motor penetrates through the front end cover and extends into the straight cylinder, a rotating shaft connected with the motor shaft is arranged in the straight cylinder, and the rotating shaft is provided with a helical blade; the rear end of the straight cylinder is provided with a rear end cover, and the lower surface of the rear end of the straight cylinder is provided with the discharge hole.

Furthermore, the middle part of the rotating shaft is provided with shearing blades distributed circumferentially.

Further, the height and inclination adjusting assembly comprises a chassis, the chassis is fixedly connected with the frame, a height adjusting oil cylinder and an inclination adjusting oil cylinder are arranged on the chassis, a cylinder body of the height adjusting oil cylinder is fixedly connected with the chassis, a piston rod of the height adjusting oil cylinder is hinged with a sleeve matched with the outer diameter of the straight cylinder, and the straight cylinder is arranged in the sleeve; the cylinder body of the inclination adjusting oil cylinder is hinged to the chassis on the front side of the height adjusting oil cylinder, and the piston rod of the inclination adjusting oil cylinder is hinged to the lower surface of the front half section of the straight cylinder.

Furthermore, the height and inclination adjusting assembly further comprises a base, the base is rotatably connected with the base, outer straight teeth are arranged on the side wall of the base, a motor is arranged on the base, an output shaft of the motor is connected with a driving gear meshed with the outer straight teeth of the base, and a shell of the motor is fixedly connected with the base.

Furthermore, the straight section of thick bamboo contains thermal-insulated outer wall layer, heat preservation, electric heating wire and the high temperature resistant wear-resisting inner wall that sets gradually from outer to interior.

Furthermore, a flowmeter is arranged at the discharge port.

Further, the inlet pipe is sealed flexible pipe, the one end that sealed flexible pipe and pitch transport vechicle are connected is provided with the joint ferrule.

Furthermore, the wheels are universal wheels with locks.

Furthermore, the feed inlet and the discharge outlet are provided with temperature sensors.

Compared with the prior art, the utility model, technical scheme has following beneficial effect:

(1) the speed regulating motor drives the helical blades in the helical discharge guide pipe, and the flow speed of asphalt in the guide pipe can be accurately controlled by using the rotational eddy generated by rotation and the pumping action, so that the discharge efficiency is improved;

(2) the shearing blade arranged at the middle section of the rotating shaft can break up the conglomeration of the rubber powder by utilizing the shearing action and generate the dispersing and homogenizing action together with the helical blade 408, so that the uniformity of the rubber powder composite modified asphalt on site is improved, and the conglomeration and blockage phenomena during the unloading of the rubber powder with high content are avoided;

(3) temperature sensors are arranged at the material inlet and the material outlet of the discharging barrel assembly, so that the temperature of the asphalt on site can be accurately detected, and the high-temperature early warning function can prevent aged asphalt from entering a tank in the high-temperature transportation process;

(4) the inlet and outlet of the straight cylinder are provided with high-temperature resistant sealing telescopic pipes, so that the flexible and maneuvering control of the distance between the asphalt transportation tank car and the field unloading pool is realized, and the space limitation of the unloading field is avoided;

(5) the straight cylinder has the heating and heat-preserving functions, and can set proper heating temperature according to different mixing amounts of rubber powder, so that the heat loss generated in the asphalt discharging process is reduced, the phenomena of asphalt aggregation and blockage on the pipe wall of the straight cylinder are avoided, and a large amount of cleaning work after the traditional discharging pipe is used is avoided;

(6) a discharge port of the straight cylinder is provided with a flowmeter, so that the total asphalt discharge amount can be accurately detected;

(7) in the height and gradient adjusting assembly, the chassis can horizontally adjust the position of the straight cylinder, so that the connection among a discharge port of the asphalt transportation tank truck, the straight cylinder and the field discharge tank is facilitated; the height adjusting oil cylinder can adjust the height of the discharge guide pipe and is suitable for asphalt transportation tank trucks with different heights; the inclination adjusting oil cylinder can adjust the inclination angle of the straight cylinder, so that the straight cylinder can be conveniently linked with asphalt transport tank trucks with different heights, and the inclination angle can be adjusted at any time to form a certain gradient, so that the asphalt unloading efficiency is improved;

(8) the utility model provides a pitch discharge apparatus has strong adaptability, unload characteristics such as efficient, flexible, accurate control, operation safety of unloading, can effectively solve the technical problem that compound modified asphalt of rubber powder unloaded the existence, improves the construction operating efficiency, and specially adapted mixes compound modified asphalt of volume rubber powder greatly, also can be used to high viscosity modified asphalt, natural asphalt and high modulus modified asphalt.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a general schematic view of an embodiment of a rubber powder composite modified asphalt discharging device of the utility model;

FIG. 2 is a schematic view of a discharging cylinder in the rubber powder composite modified asphalt discharging device of the utility model;

FIG. 3 is a front view of a high gradient adjusting assembly in the rubber powder composite modified asphalt discharging device of the utility model;

FIG. 4 is a left side view of a high gradient adjusting assembly in the rubber powder composite modified asphalt discharging device of the utility model;

FIG. 5 is a longitudinal section of a straight cylinder in the rubber powder composite modified asphalt discharging device of the utility model;

in the above figures:

1, a frame; 2, vehicle wheels;

3 a height and inclination adjusting component; 301 chassis; 302 a height adjustment cylinder; 303, an inclination adjusting oil cylinder; 304 a sleeve; 305 a base;

4, a discharging cylinder assembly; 401 a feed inlet; 402 a feed pipe; 403, discharging hole; 404 a discharge pipe; 405 a straight cylinder; 4051 thermal insulation outer wall layer; 4052 insulating layer; 4053 electric heating wire; 4054 high temperature and wear resistant inner wall; 406 speed regulating motor; 407 a rotating shaft; 408 a helical blade; 409 shearing blade; 5, a flow meter; 6, connecting a pipe hoop; 7 temperature sensor.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of other ways than those herein described and those skilled in the art will be able to make similar generalizations without departing from the scope of the invention. The invention is therefore not limited to the specific embodiments disclosed below.

Referring to fig. 1, a rubber powder composite modified asphalt discharging device includes a vehicle frame 1, wheels 2 are disposed at the bottom of the vehicle frame 1, a height and inclination adjusting assembly 3 is disposed on the vehicle frame 1, a discharging barrel assembly 4 is disposed on the height and inclination adjusting assembly 3, the height and inclination adjusting assembly 3 is used for adjusting the height and inclination of the discharging barrel assembly 4, a feeding port 401 is disposed at the front end of the discharging barrel assembly 4, and a feeding pipe 402 is connected to the feeding port 401; the rear end of the discharging barrel component 4 is provided with a discharging hole 403, and a discharging pipe 404 is connected to the discharging hole 403.

In the above embodiment, the feeding pipe 402 is connected to the discharge opening of the asphalt truck, and the height and inclination adjusting assembly 3 can adjust the height and inclination of the discharge barrel assembly 4 at will to adapt to various asphalt trucks and make asphalt flow out quickly by adjusting the inclination.

Further, referring to fig. 2, the discharging barrel assembly 4 comprises a straight barrel 405 and a speed regulating motor 406; a front end cover is arranged at the front end of the straight cylinder 405, the feed inlet 401 is arranged on the upper surface of the front end of the straight cylinder 405, a shell of the speed regulating motor 406 is connected with the front end cover, a motor shaft of the speed regulating motor 406 penetrates through the front end cover and extends into the straight cylinder 405, a rotating shaft 407 connected with the motor shaft is arranged in the straight cylinder 405, and a spiral blade 408 is arranged on the rotating shaft 407; the rear end of the straight cylinder 405 is provided with a rear end cover, and the lower surface of the rear end of the straight cylinder 405 is provided with the discharge hole 403. The middle part of the rotating shaft 407 is provided with circumferentially distributed shearing blades 409.

In the above embodiment, the specific structure of the discharging barrel assembly 4 is specifically described, in order to accelerate the flow speed of asphalt in the straight barrel 405, the helical blade 408 is arranged in the straight barrel 405, the adjustable speed motor 406 is arranged at the front end of the straight barrel 405, and during discharging, the adjustable speed motor 406 is started to accelerate the flow of asphalt. In order to prevent the asphalt from caking in the straight barrel 405 and blocking the straight barrel 405, a shearing blade may be further provided in the middle of the rotating shaft 407.

Further, referring to fig. 3 and 4, the height and inclination adjusting assembly 3 includes a chassis 301, the chassis 301 is fixedly connected to the frame 1, a height adjusting cylinder 302 and an inclination adjusting cylinder 303 are disposed on the chassis 301, a cylinder body of the height adjusting cylinder 302 is fixedly connected to the chassis 301, a piston rod of the height adjusting cylinder 302 is hinged to a sleeve matching an outer diameter of the straight cylinder 405, and the straight cylinder 405 is disposed in the sleeve; the cylinder body of the inclination adjusting oil cylinder 303 is hinged to the chassis 301 at the front side of the height adjusting oil cylinder 302, and the piston rod of the inclination adjusting oil cylinder 303 is hinged to the lower surface of the front half section of the straight cylinder 405. Height and inclination adjustment assembly 3 still includes base 305, chassis 301 with base 305 rotates and connects, the lateral wall of chassis 301 is provided with outer straight-tooth, be provided with the motor on the base 305, the output shaft of motor have with the drive gear of the outer straight-tooth meshing of chassis 301, the casing of motor with base 305 fixed connection.

In the above embodiment, specifically describing the structure of the height and inclination adjusting assembly 3, the number of the height adjusting cylinders 302 is two, and the two height adjusting cylinders 302 are respectively and fixedly connected to the chassis 301 at two sides of the discharging barrel assembly 4, and the inclination adjusting cylinders 303 are hinged to the chassis 301 at the front side of the height adjusting cylinders 302. The chassis 301 can horizontally adjust the position of the straight cylinder 405, so as to facilitate the connection among the discharge hole 403 of the asphalt transportation tank truck, the straight cylinder 405 and the field discharge tank; the height adjusting oil cylinder 302 can adjust the height of the discharge guide pipe and can adapt to asphalt transportation tank trucks with different heights; the inclination of the adjustable straight section of thick bamboo 405 of gradient regulation hydro-cylinder 303 not only is convenient for with the link of not co-altitude asphalt transportation tank car, can adjust the inclination moreover at any time and make the straight section of thick bamboo 405 form certain slope, and then improve the pitch efficiency of unloading.

Further, referring to fig. 5, since the rubber powder is added to the composite modified asphalt, the fluidity of the composite modified asphalt can be promoted by heating, and therefore, the straight cylinder 405 includes a heat insulation outer wall layer 4051, a heat insulation layer 4052, an electric heating wire 4053, and a high temperature and wear resistant inner wall 4054, which are sequentially disposed from outside to inside.

Further, in order to facilitate statistics of the discharge amount, a flow meter 5 is disposed at the discharge port 403.

Furthermore, the feeding pipe 402 is a sealed telescopic pipe, so that flexible and maneuvering control of the distance between the asphalt transportation tank truck and the field discharging pool can be realized, and the limitation of the discharging space is avoided. And a joint pipe hoop 6 is arranged at one end of the sealing telescopic pipe connected with the asphalt transport vehicle.

Further, the wheels 2 are universal wheels with locks. The rubber powder composite modified asphalt discharging device can be conveniently moved.

Further, feed inlet 401 and discharge gate 403 department are provided with temperature sensor 7, can accurate temperature that detects field pitch, and the ageing pitch of high temperature transportation process can be prevented to the high temperature early warning function and is gone into jar.

The utility model provides a pitch discharge apparatus has strong adaptability, unload characteristics such as efficient, flexible, accurate control, operation safety of unloading, can effectively solve the technical problem that compound modified asphalt of rubber powder unloaded the existence, improves the construction operating efficiency, and specially adapted mixes compound modified asphalt of volume rubber powder greatly, also can be used to high viscosity modified asphalt, natural asphalt and high modulus modified asphalt. Although the invention has been described in detail in this specification with reference to specific embodiments and illustrative embodiments, it will be apparent to those skilled in the art that certain changes and modifications can be made therein without departing from the scope of the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The rubber powder composite modified asphalt discharging device is characterized by comprising a frame (1), wheels (2) are arranged at the bottom of the frame (1), a height and inclination adjusting assembly (3) is arranged on the frame (1), a discharging barrel assembly (4) is arranged on the height and inclination adjusting assembly (3), the height and inclination adjusting assembly (3) is used for adjusting the height and inclination of the discharging barrel assembly (4), a feeding hole (401) is formed in the front end of the discharging barrel assembly (4), and a feeding pipe (402) is connected to the feeding hole (401); the rear end of the discharging barrel assembly (4) is provided with a discharging hole (403), and a discharging pipe (404) is connected to the discharging hole (403).

2. The rubber powder composite modified asphalt discharging device according to claim 1, wherein the discharging barrel assembly (4) comprises a straight barrel (405) and a speed regulating motor (406); a front end cover is arranged at the front end of the straight cylinder (405), the feed inlet (401) is arranged on the upper surface of the front end of the straight cylinder (405), a shell of the speed regulating motor (406) is connected with the front end cover, a motor shaft of the speed regulating motor (406) penetrates through the front end cover to extend into the straight cylinder (405), a rotating shaft (407) connected with the motor shaft is arranged in the straight cylinder (405), and a spiral blade (408) is arranged on the rotating shaft (407); the rear end of the straight cylinder (405) is provided with a rear end cover, and the lower surface of the rear end of the straight cylinder (405) is provided with the discharge hole (403).

3. The rubber powder composite modified asphalt discharging device according to claim 2, wherein the middle part of the rotating shaft (407) is provided with circumferentially distributed shearing blades (409).

4. The rubber powder composite modified asphalt discharging device according to claim 3, wherein the height and inclination adjusting assembly (3) comprises a chassis (301), a height adjusting oil cylinder (302) and an inclination adjusting oil cylinder (303) are arranged on the chassis (301), the body of the height adjusting oil cylinder (302) is fixedly connected with the chassis (301), the piston rod of the height adjusting oil cylinder (302) is hinged with a sleeve matched with the outer diameter of the straight cylinder (405), and the straight cylinder (405) is arranged in the sleeve; the cylinder body of the inclination adjusting oil cylinder (303) is hinged to the chassis (301) on the front side of the height adjusting oil cylinder (302), and the piston rod of the inclination adjusting oil cylinder (303) is hinged to the lower surface of the front half section of the straight cylinder (405).

5. The rubber powder composite modified asphalt discharging device according to claim 4, wherein the height and inclination adjusting assembly (3) further comprises a base (305), the base (301) is rotatably connected with the base (305), the side wall of the base (301) is provided with external straight teeth, the base (305) is provided with an electric motor, an output shaft of the electric motor is connected with a driving gear meshed with the external straight teeth of the base (301), and a shell of the electric motor is fixedly connected with the base (305).

6. The rubber powder composite modified asphalt discharging device according to claim 2, wherein the straight cylinder (405) comprises a heat insulation outer wall layer (4051), a heat preservation layer (4052), an electric heating wire (4053) and a high temperature and wear resistant inner wall (4054) which are arranged in sequence from outside to inside.

7. The rubber powder composite modified asphalt discharging device according to claim 6, wherein a flowmeter (5) is arranged at the discharge port (403).

8. The rubber powder composite modified asphalt discharging device as claimed in claim 1, wherein the feeding pipe (402) is a sealed telescopic pipe, and a joint pipe hoop (6) is arranged at one end of the sealed telescopic pipe connected with the asphalt transport vehicle.

9. The rubber powder composite modified asphalt discharging device according to claim 1, wherein the wheels (2) are universal wheels with locks.

10. The rubber powder composite modified asphalt discharging device according to claim 1, wherein temperature sensors (7) are arranged at the feed inlet (401) and the discharge outlet (403).