CN110318321B - A modified asphalt mixture dosing unit for low heat valley area - Google Patents

A modified asphalt mixture dosing unit for low heat valley area Download PDF

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Publication number
CN110318321B
CN110318321B CN201910638608.XA CN201910638608A CN110318321B CN 110318321 B CN110318321 B CN 110318321B CN 201910638608 A CN201910638608 A CN 201910638608A CN 110318321 B CN110318321 B CN 110318321B
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CN
China
Prior art keywords
fixedly connected
sliding plug
tank body
rod
rotating shaft
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CN201910638608.XA
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Chinese (zh)
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CN110318321A (en
Inventor
庞拓
余森开
王庆阳
褚英奎
史永亮
刘建
杨光
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China Railway 16th Bureau Group Co Ltd
Road and Bridge Engineering Co Ltd of China Railway 16th Bureau Group Co Ltd
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China Railway 16th Bureau Group Co Ltd
Road and Bridge Engineering Co Ltd of China Railway 16th Bureau Group Co Ltd
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Priority to CN201910638608.XA priority Critical patent/CN110318321B/en
Publication of CN110318321A publication Critical patent/CN110318321A/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/02Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
    • E01C19/10Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
    • E01C19/1013Plant characterised by the mode of operation or the construction of the mixing apparatus; Mixing apparatus
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/02Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
    • E01C19/10Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
    • E01C19/1054Preparing mixtures of which at least part of the solid ingredients has previously been deposited on the surface, excluding penetrating or surface dressing, e.g. in situ mixing, mixing involving lifting of spread or windrowed aggregate

Abstract

The invention discloses a modified asphalt mixture batching device for a low-heat valley region, which comprises a tank body, wherein the lower end of the tank body is fixedly connected with a driving motor, an output shaft of the driving motor penetrates through the lower end of the tank body and is fixedly connected with a rotating shaft, the upper end of the rotating shaft penetrates through the inner top of the tank body and is fixedly connected with a first synchronizing wheel, stirring blades are welded on the side wall of the rotating shaft in the tank body at equal intervals, a scraping device is installed on the side wall of the rotating shaft, which is positioned at the inner bottom of the tank body, a circular cavity is axially arranged at the upper end of the rotating shaft, a hollow rod is coaxially arranged in the circular cavity, the upper end of the hollow rod is fixedly connected with the inner wall of the circular cavity, an air blocking ring is sleeved on the hollow rod, and the air blocking ring is connected with the inner. The invention leads the mixture of the asphalt and the sand stone to be more uniform by intermittently adding the asphalt, and simultaneously improves the activity of the modifier by preheating the modifier.

Description

A modified asphalt mixture dosing unit for low heat valley area
Technical Field
The invention relates to the technical field of road construction equipment, in particular to a modified asphalt mixture batching device for low-heat valley areas.
Background
Under the action of vehicle channelized traffic load, high temperature in summer, low temperature in winter, rainwater and the like, the modified asphalt pavement of the high-grade highway is easy to have track, high-temperature deformation diseases and water loss diseases such as stripping, low-temperature cracking, loosening, pit grooves and the like in a few years after being put into use, the comfort and the safety of the highway pavement are seriously influenced, the traffic service level is reduced, and certain economic waste is also caused. The reason is that the performance of the asphalt mixture material for paving the asphalt pavement is not enough to meet the characteristics of actual traffic and climate environments.
At present, in order to improve the service performance of the asphalt mixture, the use is mainly realized by adding an external additive into the asphalt mixture, but when the asphalt is mixed with gravel, the asphalt has high viscosity, so that stirring equipment is easy to block due to one-time mixing, and meanwhile, a modifier is difficult to be fully mixed with the asphalt.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a modified asphalt mixture batching device for a low-heat valley area.
In order to achieve the purpose, the invention adopts the following technical scheme:
a modified asphalt mixture batching device for a low-heat valley area comprises a tank body, wherein a driving motor is fixedly connected to the lower end of the tank body, an output shaft of the driving motor penetrates through the lower end of the tank body and is fixedly connected with a rotating shaft, the upper end of the rotating shaft penetrates through the inner top of the tank body and is fixedly connected with a first synchronizing wheel, stirring blades are welded on the rotating shaft in the tank body at equal intervals of the side wall, a scraping device is installed on the side wall of the rotating shaft, which is located at the inner bottom of the tank body, a round cavity is arranged at the upper end of the rotating shaft along the axial direction of the rotating shaft, a hollow rod is coaxially arranged in the round cavity, the upper end of the hollow rod is fixedly connected with the inner wall of the round cavity, an air blocking ring is sleeved on the hollow rod and is connected with the inner wall of the round cavity and the hollow rod in a sliding sealing mode, a plurality of feeding holes, the lower extreme lateral wall fixedly connected with raw material tank of the jar body.
Preferably, the lateral wall of the tank body is provided with a conveying device for conveying raw materials in the raw material box into the hollow rod, the upper end of the tank body is provided with a feeding hopper, the inner top of the tank body is provided with a control mechanism for controlling intermittent feeding of the feeding hopper, and the inner wall of the tank body is embedded with an electric heating plate.
Preferably, the scraping device comprises a scraping plate fixedly connected to the side wall of the rotating shaft through a telescopic rod, the scraping plate is always attached to the inner wall of the tank body, the telescopic rod comprises a sleeve fixedly connected to the side wall of the rotating shaft, the sleeve is elastically connected to the inner bottom of the sleeve through a movable rod, and the movable rod is far away from one end of the sleeve and is fixedly connected to the side wall of the scraping plate.
Preferably, conveyor includes a sliding plug section of thick bamboo of fixed connection at the jar side wall, the electrothermal tube is installed to the interior bottom of a sliding plug section of thick bamboo, sealed sliding connection has a sliding plug in a sliding plug section of thick bamboo, install on the sliding plug and only allow liquid from up-flowing first check valve down, the transfer line that submerges in the raw material tank is installed to the lower extreme of a sliding plug section of thick bamboo, and installs on the transfer line and only allow water from up-flowing second check valve down, the upper end fixedly connected with sliding plug pole of sliding plug, the interior top of a sliding plug section of thick bamboo is run through to the upper end of sliding plug pole, the upper end of a sliding plug section of thick bamboo is installed and is used for driving reciprocating motion's actuating mechanism from top to bottom of sliding plug pole, the upper end of a sliding plug section of thick.
Preferably, actuating mechanism includes the reciprocal lead screw of coaxial fixed connection in the sliding plug pole upper end, install screw nut on the reciprocal lead screw the cover is equipped with the second synchronizing wheel on the reciprocal lead screw, the lower extreme of second synchronizing wheel passes through the gyro wheel and rotates the upper end of connecting at a sliding plug section of thick bamboo, screw nut passes through connecting rod fixed connection on the second synchronizing wheel, be connected through synchronous belt drive between first synchronizing wheel and the second synchronizing wheel.
Preferably, control mechanism includes a ring, ring and the coaxial setting of pivot, the ring passes through spliced pole and pivot fixed connection, the upper end of ring closely laminates with the interior top of the jar body, set up on the ring with loading hopper and jar body intercommunication department matched with through-hole.
Preferably, the lower end of the tank body is fixedly connected with a supporting leg, and the supporting leg is fixedly connected with the ground through an expansion screw.
Preferably, the tank body comprises an aluminum alloy inner tank and an iron outer tank, and a heat insulation material is filled between the inner tank and the outer tank.
The invention has the following beneficial effects:
1. the rotating shaft also drives the circular ring to rotate, and the circular ring rotates to enable the asphalt in the feeding hopper to intermittently enter the tank body through the through holes, so that intermittent feeding is realized, and the asphalt and the gravel are conveniently mixed;
2. the rotating shaft drives the screw nut to rotate through the first synchronizing wheel, the second synchronizing wheel and the synchronous belt, the screw nut rotates to drive the reciprocating screw to move up and down, the reciprocating screw moves up and down to drive the sliding plug to move up and down through the sliding plug rod, and related electric drive is not needed to be arranged, so that more energy is saved;
3. the modifier is preheated by an electric heating tube in the sliding plug cylinder, so that the activity of the modifier is improved;
4. when the asphalt in the tank body is not enough to completely submerge the stirring blades, the air blocking ring can naturally fall down due to gravity, so that a channel between the stirring blades and the rotating shaft is blocked, the feeding hole in the upper part of the modifier stirring blade is prevented from flowing out, and the modifier can enter the tank body all the time.
Drawings
FIG. 1 is a schematic structural diagram of a modified asphalt mixture batching plant for a low-heat valley area according to the present invention;
FIG. 2 is an enlarged schematic view of a structure at the position B of a modified asphalt mixture batching device for a low-heat valley area, which is provided by the invention;
FIG. 3 is an enlarged schematic view of the structure at the position A of a modified asphalt mixture batching device for a low-heat valley area, which is provided by the invention;
fig. 4 is a sectional view of a mixing blade of a modified asphalt mixture batching device for a low-heat valley area according to the present invention.
In the figure: 1 tank body, 2 feeding holes, 3 electric heating plates, 4 stirring blades, 5 rotating shafts, 6 telescopic rods, 7 scraping plates, 8 infusion tubes, 9 raw material boxes, 10 electric heating tubes, 11 sliding plugs, 12 first one-way valves, 13 sliding plug cylinders, 14 water guide tubes, 15 circular rings, 16 driving motors, 17 hoppers, 18 air blocking rings, 19 reciprocating lead screws, 20 lead screw nuts, 21 synchronous belts, 22 idler wheels, 23 sliding plug rods, 24 second synchronous wheels, 25 connecting rods and 26 hollow rods.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-4, a modified asphalt mixture dosing unit for low-heat valley area, including a jar body 1, jar body 1 includes aluminum alloy inner tank and iron outer tank, it has insulation material to fill between inner tank and the outer tank, the lower extreme fixedly connected with supporting leg of jar body 1, the supporting leg passes through inflation screw and ground fixed connection, the lower extreme fixedly connected with driving motor 16 of jar body 1, the output shaft of driving motor 16 runs through jar lower extreme and the fixedly connected with pivot 5 of body 1, the upper end of pivot 5 runs through jar internal top and the first synchronizing wheel of fixedly connected with of body 1, the lateral wall equidistance welding that pivot 5 is located jar internal 1 has stirring vane 4.
The material scraping device is installed on the lateral wall of the bottom in the tank body 1 of the rotating shaft 5, and comprises a scraping plate 7 fixedly connected to the lateral wall of the rotating shaft 5 through a telescopic rod 6, the scraping plate 7 is always attached to the inner wall of the tank body 1, the telescopic rod comprises a sleeve fixedly connected to the lateral wall of the rotating shaft 5, the sleeve is internally connected to the bottom in the sleeve through a movable rod in an elastic mode, and the movable rod is far away from the side wall of the sleeve, wherein one end of the movable rod is fixedly connected to the side wall of.
The upper end of pivot 5 is equipped with the round cavity along its axial, and the round cavity is internal to be coaxial to be equipped with well hollow rod 26, and the upper end of well hollow rod 26 and the inner wall fixed connection in round cavity, the cover is equipped with on the well hollow rod 26 and keeps off gas ring 18, keeps off gas ring 18 and the equal sliding seal of inner wall in round cavity and hollow rod 26 and is connected, and stirring vane 4's lateral wall is provided with a plurality of feed openings 2 that communicate with the round cavity along vertical direction equidistant, jar body 1's lower extreme lateral wall fixedly connected with raw material tanks 9.
The side wall of the tank body 1 is provided with a conveying device for conveying raw materials in the raw material tank 9 into the hollow rod 26, the conveying device comprises a sliding plug cylinder 13 fixedly connected to the side wall of the tank body 1, an electric heating tube 10 is installed at the inner bottom of the sliding plug cylinder 13, a sliding plug 11 is connected in the sliding plug cylinder 13 in a sealing and sliding mode, a first one-way valve 12 only allowing liquid to flow upwards from below is installed on the sliding plug 11, a liquid conveying tube 8 submerged in the raw material tank 9 is installed at the lower end of the sliding plug cylinder 13, a second one-way valve only allowing water to flow upwards from below is installed on the liquid conveying tube 8, a sliding plug rod 23 is fixedly connected to the upper end of the sliding plug 11, and the upper end of the sliding plug rod 23 penetrates through the inner.
The upper end of the sliding plug barrel 13 is provided with a driving mechanism for driving the sliding plug rod 23 to reciprocate up and down, the driving mechanism comprises a reciprocating lead screw 19 which is coaxially and fixedly connected to the upper end of the sliding plug rod 23, a lead screw nut 20 is installed on the reciprocating lead screw 19, a second synchronizing wheel 24 is sleeved on the reciprocating lead screw 19, the lower end of the second synchronizing wheel 24 is rotatably connected to the upper end of the sliding plug barrel 13 through a roller 22, the lead screw nut 20 is fixedly connected to the second synchronizing wheel 24 through a connecting rod 25, the first synchronizing wheel and the second synchronizing wheel 24 are in transmission connection through a synchronous belt 21, and the upper end of the sliding plug barrel 13 is communicated with a hollow rod 26 through a water guide pipe 14.
The feed hopper 17 is installed to the upper end of jar body 1, and the control mechanism that is used for controlling feed hopper 17 intermittent type to feed in is installed at the interior top of jar body 1, and control mechanism includes a ring 15, and ring 15 and 5 coaxial settings of pivot, ring 15 pass through spliced pole and 5 fixed connection of pivot, and the upper end of ring 15 closely laminates with the interior top of jar body 1, has seted up on the ring 15 with feed hopper 17 and jar body 1 intercommunication department matched with through-hole, the inner wall of jar body 1 inlays and is equipped with electric plate 3.
In the invention, when the batching device is used for batching, mortar is firstly added into a tank body 1, asphalt is then added into a feeding hopper 17, a switch of a driving motor 16 is turned on, the driving motor 16 rotates to drive a rotating shaft 5 to rotate, the rotating shaft 5 rotates to drive a stirring blade 4 to rotate, meanwhile, the rotating shaft 5 rotates to drive a circular ring 15 to rotate, the circular ring 15 rotates to enable the asphalt in the feeding hopper 17 to intermittently enter the tank body 1 through a through hole, the rotating shaft 5 rotates to drive a screw rod nut 20 to rotate through a first synchronizing wheel, a second synchronizing wheel 24 and a synchronous belt 21, the screw rod nut 20 rotates to drive a reciprocating screw rod 19 to move up and down, the reciprocating screw rod 19 moves up and down through a sliding plug rod 23 to drive a sliding plug 11 to move up and down, the sliding plug 11 moves to draw a modifier in a raw material box 9 into a sliding plug barrel 13, an electric heating pipe 10 in the sliding plug barrel, the modifier enters the hollow rod 26 through the water guide pipe 14, and when the asphalt in the tank body 1 is not enough to completely submerge the stirring blade 4, the air blocking ring 18 naturally falls down due to gravity to block a passage between the stirring blade 16 and the rotating shaft 5, so that the feeding hole 2 at the upper part of the modifier stirring blade 16 is prevented from flowing out.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. The utility model provides a modified asphalt mixture dosing unit for low-heat valley area, includes a jar body (1), its characterized in that, the lower extreme fixedly connected with driving motor (16) of the jar body (1), the output shaft of driving motor (16) runs through jar lower extreme and fixedly connected with pivot (5) of the body, the upper end of pivot (5) runs through the interior top and the first synchronizing wheel of fixedly connected with of the jar body (1), lateral wall equidistance welding that pivot (5) are located jar body (1) has stirring vane (4), install the scraper on the lateral wall of the bottom in jar body (1) of pivot (5), the upper end of pivot (5) is equipped with the round cavity along its axial, the coaxial cavity pole (26) that is equipped with in the round cavity, the upper end of cavity pole (26) and the inner wall fixed connection in round cavity, the cover is equipped with gas ring (18) on cavity pole (26), keep off gas ring (18) and the equal sliding seal of inner wall and hollow rod (26) of round chamber and be connected, the lateral wall of stirring vane (4) is provided with feed opening (2) a plurality of and round chamber intercommunication along vertical direction equidistant, the lower extreme lateral wall fixedly connected with raw material tank (9) of the jar body (1), the lateral wall of the jar body (1) is installed and is used for carrying the conveyor in hollow rod (26) with the raw materials in raw material tank (9), loading hopper (17) are installed to the upper end of the jar body (1), the interior top of the jar body (1) is installed and is used for controlling the reinforced control mechanism of loading hopper (17) intermittent type, the inner wall of the jar body (1) inlays and is equipped with electric plate (3).
2. The modified asphalt mixture batching device for the low-heat valley region according to claim 1, wherein the scraping device comprises a scraping plate (7) fixedly connected to the side wall of the rotating shaft (5) through a telescopic rod (6), the scraping plate (7) is always attached to the inner wall of the tank body (1), the telescopic rod comprises a sleeve fixedly connected to the side wall of the rotating shaft (5), the sleeve is elastically connected to the inner bottom of the sleeve through a movable rod, and one end, far away from the sleeve, of the movable rod is fixedly connected to the side wall of the scraping plate (7).
3. The modified asphalt mixture batching device for the low-heat valley areas according to claim 2, wherein the conveying device comprises a sliding plug cylinder (13) fixedly connected to the side wall of the tank body (1), an electric heating pipe (10) is installed at the inner bottom of the sliding plug cylinder (13), a sliding plug (11) is connected in the sliding plug cylinder (13) in a sealing and sliding manner, a first one-way valve (12) only allowing liquid to flow from bottom to top is installed on the sliding plug (11), a liquid conveying pipe (8) submerged in a raw material tank (9) is installed at the lower end of the sliding plug cylinder (13), a second one-way valve only allowing water to flow from bottom to top is installed on the liquid conveying pipe (8), a sliding plug rod (23) is fixedly connected to the upper end of the sliding plug cylinder (11), the upper end of the sliding plug rod (23) penetrates through the inner top of the sliding plug cylinder (13), and a driving mechanism for driving the sliding plug rod (23) to move up and down is installed at the upper end of the sliding plug cylinder (13), the upper end part of the sliding plug cylinder (13) is communicated with the hollow rod (26) through a water guide pipe (14).
4. The modified asphalt mixture batching device for the low-heat valley areas according to claim 3, wherein the driving mechanism comprises a reciprocating lead screw (19) which is coaxially and fixedly connected to the upper end of a sliding plug rod (23), a lead screw nut (20) is installed on the reciprocating lead screw (19), a second synchronizing wheel (24) is sleeved on the reciprocating lead screw (19), the lower end of the second synchronizing wheel (24) is rotatably connected to the upper end of a sliding plug cylinder (13) through a roller (22), the lead screw nut (20) is fixedly connected to the second synchronizing wheel (24) through a connecting rod (25), and the first synchronizing wheel and the second synchronizing wheel (24) are in transmission connection through a synchronous belt (21).
5. The modified asphalt mixture batching device for the low-heat valley areas according to claim 4, wherein the control mechanism comprises a ring (15), the ring (15) and the rotating shaft (5) are coaxially arranged, the ring (15) is fixedly connected with the rotating shaft (5) through a connecting column, the upper end part of the ring (15) is tightly attached to the inner top part of the tank body (1), and a through hole matched with the communication part of the feeding hopper (17) and the tank body (1) is formed in the ring (15).
6. The modified asphalt mixture batching device for the low-heat valley areas according to claim 5, characterized in that the lower end of the tank body (1) is fixedly connected with a supporting leg, and the supporting leg is fixedly connected with the ground through an expansion screw.
7. The modified asphalt mixture batching device for the low-heat valley areas according to claim 6, wherein the tank body (1) comprises an aluminum alloy inner tank and an iron outer tank, and a heat insulation material is filled between the inner tank and the outer tank.
CN201910638608.XA 2019-07-16 2019-07-16 A modified asphalt mixture dosing unit for low heat valley area Active CN110318321B (en)

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CN201910638608.XA CN110318321B (en) 2019-07-16 2019-07-16 A modified asphalt mixture dosing unit for low heat valley area

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CN111134215A (en) * 2019-12-31 2020-05-12 福建春伦集团有限公司 Jasmine tea scenting machine and scenting method
CN112482170A (en) * 2020-11-13 2021-03-12 王修亮 Edge asphalt slag removing equipment for asphalt road paving

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JP3778491B2 (en) * 2001-06-19 2006-05-24 福井 啓祐 How to recycle drainage pavement waste
CN203295923U (en) * 2013-05-08 2013-11-20 河北广通路桥工程有限公司 Used pitch regenerant adding device
CN206143584U (en) * 2016-10-14 2017-05-03 安徽理工大学 Environmental protection low temperature modified asphalt concrete mixing device
KR200488241Y1 (en) * 2017-04-03 2019-01-02 황익현 Direct heating type mixer for making asphalt mixture for road repair
CN109736169B (en) * 2019-01-29 2020-10-09 重庆工程职业技术学院 Stirring equipment for asphalt concrete regeneration

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