CN211897703U

CN211897703U - Asphalt conveying mechanism for asphalt mixing plant

Info

Publication number: CN211897703U
Application number: CN202020449811.0U
Authority: CN
Inventors: 赵时雨
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-11-10
Anticipated expiration: 2030-04-01

Abstract

The utility model belongs to the technical field of conveying equipment, in particular to an asphalt conveying mechanism for an asphalt mixing plant, which comprises a conveying box, wherein the conveying box is internally provided with a cavity, the outer wall of the conveying box is hinged with a box cover at the position corresponding to the cavity, the box cover is provided with a feed hopper and a draught fan, the feed hopper penetrates through the box cover and is communicated with the cavity, the input end and the output end of the draught fan are fixedly connected with a connecting block in a threaded manner, and a first conveying pipe is fixedly connected on the connecting block at the output end of the draught fan in a threaded manner; the draught fan is located the steam of cavity head through fixing the second conveyer pipe priming at its input to discharge steam at the afterbody of cavity through first conveyer pipe, let the steam in the cavity form a circulation, heat the pitch of each position, prevent that pitch from solidifying because of natural cooling and forming the trouble of blockking up in the pipeline in transportation process, improved conveying efficiency.

Description

Asphalt conveying mechanism for asphalt mixing plant

Technical Field

The utility model relates to a conveying equipment technical field specifically is an asphalt conveying mechanism for asphalt mixing plant.

Background

The asphalt is a black-brown complex mixture composed of hydrocarbons with different molecular weights and non-metallic derivatives thereof, is one of high-viscosity organic liquids, is in a liquid state, has a black surface, is soluble in carbon disulfide, is a waterproof, moistureproof and anticorrosive organic cementing material, and can be mainly divided into coal tar asphalt, petroleum asphalt and natural asphalt, wherein the coal tar asphalt is a coking byproduct, the petroleum asphalt is residue after crude oil distillation, the natural asphalt is stored underground, some forms a mineral layer or is accumulated on the surface of a crust, the asphalt is mainly used for industries of paint, plastics, rubber and the like and paving pavements and the like, and an asphalt mixing station, also called as an asphalt concrete mixing station, is a complete set of equipment for producing asphalt concrete in batches, can produce asphalt mixture, modified asphalt mixture and colored asphalt mixture, and is used for building expressways, Grade roads, town roads, airports, ports.

The existing conveyor does not have a heat preservation function when conveying asphalt, and the asphalt material can form a natural cooling phenomenon in the conveying process, and meanwhile, the asphalt is solidified in the conveying process due to the fact that the viscosity of the asphalt is increased and the flowability is poor, so that the construction efficiency is influenced.

Disclosure of Invention

An object of the utility model is to provide an asphalt conveying mechanism for asphalt mixing plant to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an asphalt conveying mechanism for an asphalt mixing plant comprises a conveying box, wherein a cavity is arranged inside the conveying box, a box cover is hinged to the outer wall of the conveying box and the position corresponding to the cavity, a feed hopper and a draught fan are arranged on the box cover, the feed hopper penetrates through the box cover and is communicated with the cavity, a connecting block is fixed to the input end and the output end of the draught fan through threads, a first conveying pipe is fixed to the connecting block through threads at the output end of the draught fan, the other end of the first conveying pipe is located at the right side upper end face of the box cover, the first conveying pipe penetrates through the box cover and is communicated with the cavity, a second conveying pipe is fixed to the connecting block at the input end of the draught fan through threads, the other end of the second conveying pipe is located at the left side upper end face of the box cover, and the second conveying pipe penetrates through the, the outer wall fixedly connected with fixed case of transport case, the inside fixedly connected with motor of fixed case, the output fixedly connected with spiral leaf axle of motor, spiral leaf axle run through in transport case and extension get into the inside of cavity, draught fan, motor all with external power source electric connection.

As a further aspect of the present invention: the transportation box is far away from one end fixedly connected with discharging pipe of fixed case, the discharging pipe with the cavity is linked together.

As a further aspect of the present invention: two all seted up first thread groove on the connecting block, just two the connecting block all passes through first thread groove spiro union is fixed the both ends of draught fan.

As a further aspect of the present invention: two the connecting block is kept away from the one end homogeneous body shaping of draught fan has the connecting pipe, first conveyer pipe, second conveyer pipe are fixed respectively two the inside of connecting pipe.

As a further aspect of the present invention: the connecting pipe is provided with a second thread groove matched with the first conveying pipe and the second conveying pipe, and the first conveying pipe and the second conveying pipe are both fixed on the inner wall of the connecting pipe through the thread connection of the second thread groove.

As a further aspect of the present invention: the connecting block is funnel-shaped.

As a further aspect of the present invention: the outer wall of the box cover is fixedly connected with a hinge shaft, and the box cover is hinged to the outer wall of the transport box through the hinge shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

in the utility model, the first delivery pipe and the second delivery pipe both penetrate through the box cover and are communicated with the cavity, when in use, the stirred asphalt enters the cavity from the feed hopper, the spiral blade shaft rotates under the action of the motor, the asphalt in the cavity is stirred, so that the asphalt is always in a motion state in the transportation process, the phenomenon that the asphalt does not flow in the cavity due to high viscosity is prevented, and simultaneously, because the temperature of the stirred asphalt is too high, the temperature of the air in the cavity is increased, the induced draft fan drives the hot air in the head part of the cavity through the second conveying pipe fixed at the input end of the induced draft fan, the hot gas is discharged from the tail part of the cavity through the first conveying pipe, so that the hot gas in the cavity forms a circulation, the asphalt at each position is heated, so that the trouble that the asphalt is solidified in a pipeline to form blockage due to natural cooling in the conveying process is prevented, and the conveying efficiency is improved.

Drawings

FIG. 1 is a schematic view of an asphalt delivery mechanism for an asphalt mixing plant;

FIG. 2 is a schematic cross-sectional view of an asphalt delivery mechanism for an asphalt mixing plant;

FIG. 3 is a schematic structural diagram of an induced draft fan and a connecting block in an asphalt conveying mechanism for an asphalt mixing plant;

FIG. 4 is a schematic view showing the structure of a connecting block used in an asphalt conveying mechanism of an asphalt mixing plant.

In the figure: 1. a transport case; 101. a cavity; 102. a discharge pipe; 11. a box cover; 111. a hinge leaf shaft; 12. a feed hopper; 13. an induced draft fan; 14. connecting blocks; 141. a first thread groove; 142. a connecting pipe; 143. a second thread groove; 15. a first delivery pipe; 16. a second delivery pipe; 17. a fixed box; 18. a motor; 19. a helical blade shaft.

Detailed Description

Referring to fig. 1-4, in an embodiment of the present invention, an asphalt conveying mechanism for an asphalt mixing plant includes a conveying box 1, a cavity 101 is formed inside the conveying box 1, a box cover 11 is hinged to a position of an outer wall of the conveying box 1 corresponding to the cavity 101, a feed hopper 12 and an induced draft fan 13 are disposed on the box cover 11, the feed hopper 12 is communicated with the cavity 101 through the box cover 11, a connecting block 14 is fixed to an input end and an output end of the induced draft fan 13 by screwing, a first conveying pipe 15 is fixed to the connecting block 14 at the output end of the induced draft fan 13 by screwing, the other end of the first conveying pipe 15 is located on a right upper end face of the box cover 11, the first conveying pipe 15 is communicated with the cavity 101 through the box cover 11, a second conveying pipe 16 is fixed to the connecting block 14 at the input end of the induced draft fan 13 by screwing, the other end of the second conveying pipe 16 is located, the outer wall fixedly connected with fixed case 17 of transport case 1, the inside fixedly connected with motor 18 of fixed case 17, the output fixedly connected with spiral leaf axle 19 of motor 18, spiral leaf axle 19 run through in transport case 1 and extend the inside that gets into cavity 101, draught fan 13, motor 18 all with external power source electric connection.

In fig. 1 and 2: when in use, the stirred asphalt enters the cavity 101 from the feed hopper 12, the motor 18 (model is YL-7112) works to drive the spiral blade shaft 19 fixed at the output end to rotate, the asphalt in the cavity 101 is stirred by the spiral blade shaft 19, the principle of stirring and transporting the asphalt by the spiral blade shaft 19 is the same as that of a screw conveyor in the prior art (when the spiral shaft rotates, the material can only move forwards along the groove bottom of the conveyor under the pushing of the blade due to the gravity of the material and the friction force generated between the material and the wall of the groove body, the situation is as if the irrotational nut does translational motion along the rotating screw rod and the material moves on an intermediate bearing), thereby transporting the asphalt, enabling the asphalt to be in a motion state all the time in the transportation process, preventing the phenomenon of no flow in the cavity 101 due to high viscosity of the asphalt, and simultaneously, because the temperature of the stirred asphalt is too high, the temperature of the air in the cavity 101 is high, the induced draft fan 13 (the model is Y5-47) works to drive hot air in the head of the cavity 101 through the second conveying pipe 16 fixed at the input end of the induced draft fan, the hot air is discharged from the tail of the cavity 101 through the first conveying pipe 15, the hot air in the cavity 101 forms a circulation, the asphalt at each position of the cavity 101 is heated, the trouble that the asphalt is solidified in a pipeline to form blockage due to natural cooling in the conveying process is prevented, and the conveying efficiency is improved.

In fig. 3 and 4: when the air circulation type induced draft fan is used, a worker fixes the two connecting blocks 14 at two ends of the induced draft fan 13 through the first thread grooves 141 respectively, and fixes the two connecting blocks on the connecting pipe 142 through the matching of the second thread grooves 143 and the first conveying pipe 15 and the second conveying pipe 16, so that the induced draft fan 13 can conveniently drive the air in the cavity 101, and the air in the cavity 101 forms a circulation.

The utility model discloses a theory of operation is: when in use, the stirred asphalt enters the cavity 101 from the feed hopper 12, the motor 18 works to drive the spiral blade shaft 19 fixed at the output end to rotate, the spiral blade shaft 19 stirs the asphalt in the cavity 101, so that the asphalt is always in a motion state in the transportation process, the phenomenon that the asphalt does not flow in the cavity 101 due to high viscosity of the asphalt is prevented, the transported asphalt is discharged from the discharge pipe 102, meanwhile, the air temperature in the cavity 101 is increased due to overhigh temperature of the stirred asphalt, the induced draft fan 13 works to drive hot air positioned in the head of the cavity 101 through the second conveying pipe 16 fixed at the input end of the induced draft fan, the hot air is discharged at the tail of the cavity 101 through the first conveying pipe 15, the hot air in the cavity 101 forms a circulation, the asphalt at each position of the cavity 101 is heated, and the trouble that the asphalt is solidified in the pipeline due to natural cooling in the conveying process to form blockage is prevented, the conveying efficiency is improved, when the cavity 101 needs to be cleaned, a worker opens the box cover 11 through the hinge shaft 111 to expose the cavity 101, so that the interior of the cavity 101 is cleaned, the structure is simple, and the use is convenient and fast.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an asphalt conveying mechanism for asphalt mixing plant, includes transport case (1), its characterized in that, the inside of transport case (1) has cavity (101), just the outer wall of transport case (1) with the position that cavity (101) correspond articulates there is case lid (11), be equipped with feeder hopper (12) and draught fan (13) on case lid (11), feeder hopper (12) run through in case lid (11) with cavity (101) are linked together, the equal spiro union of input and the output of draught fan (13) is fixed with connecting block (14), is located draught fan (13) output the spiro union is fixed with first conveyer pipe (15) on connecting block (14), the other end of first conveyer pipe (15) is located the right side up end of case lid (11), just first conveyer pipe (15) run through case lid (11) with cavity (101) are linked together, be located draught fan (13) input spiro union is fixed with second conveyer pipe (16) on connecting block (14), the other end of second conveyer pipe (16) is located the left side up end of case lid (11), just second conveyer pipe (16) run through case lid (11) with cavity (101) are linked together, the fixed case of outer wall fixedly connected with (17) of transport case (1), the inside fixedly connected with motor (18) of fixed case (17), the output fixedly connected with spiral blade axle (19) of motor (18), spiral blade axle (19) run through in transport case (1) and extension get into the inside of cavity (101), draught fan (13), motor (18) all with external power source electric connection.

2. An asphalt conveying mechanism for an asphalt mixing plant according to claim 1, wherein an outlet pipe (102) is fixedly connected to one end of the transportation tank (1) far away from the fixed tank (17), and the outlet pipe (102) is communicated with the cavity (101).

3. The asphalt conveying mechanism for the asphalt mixing plant according to claim 1, wherein a first thread groove (141) is formed on each of the two connecting blocks (14), and the two connecting blocks (14) are fixed at two ends of the induced draft fan (13) through the first thread groove (141) in a threaded manner.

4. The asphalt conveying mechanism for the asphalt mixing plant according to claim 1, wherein one end of each of the two connecting blocks (14) far away from the induced draft fan (13) is integrally formed with a connecting pipe (142), and the first conveying pipe (15) and the second conveying pipe (16) are respectively fixed inside the two connecting pipes (142).

5. The asphalt conveying mechanism for the asphalt mixing plant according to claim 4, wherein the connecting pipe (142) is provided with a second thread groove (143) matched with the first conveying pipe (15) and the second conveying pipe (16), and the first conveying pipe (15) and the second conveying pipe (16) are both fixed on the inner wall of the connecting pipe (142) through the second thread groove (143) in a threaded manner.

6. An asphalt conveying mechanism for an asphalt mixing plant according to claim 1, characterized in that the connecting block (14) is funnel-shaped.

7. The asphalt conveying mechanism for the asphalt mixing plant according to claim 1, wherein a hinge shaft (111) is fixedly connected to the outer wall of the box cover (11), and the box cover (11) is hinged to the outer wall of the transport box (1) through the hinge shaft (111).