CN210104511U

CN210104511U - Mixing mechanism of asphalt pavement milling cold recycling machine

Info

Publication number: CN210104511U
Application number: CN201920704108.7U
Authority: CN
Inventors: 董锋; 范迎春; 王旋凯; 朱灵敏
Original assignee: Seaport Luqiao Ltd By Share Ltd
Current assignee: Seaport Luqiao Ltd By Share Ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-02-21
Anticipated expiration: 2029-05-16

Abstract

The utility model discloses a bituminous paving mills plane cold recycling machine's compounding mechanism belongs to engineering construction equipment technical field, its technical scheme main points are including first aggregate storehouse, the second aggregate storehouse, the fine ore storehouse, the pitch storehouse, water tank and material mixing device, first aggregate storehouse, the second aggregate storehouse, the same structure in fine ore storehouse and pitch storehouse all includes the storage tank, storage tank inside divide into material save area and material metering area, the two is kept apart by the division board, be equipped with the opening that is used for intercommunication material save area and material metering area on the division board, the discharge gate that accesss to material metering area is seted up to the storage tank bottom, all be provided with the control valve on opening and the discharge gate, be provided with the measuring apparatu that is used for detecting material quality in the material metering area. Divide into material storage area and material measurement district with the storage tank for material mixing device is in work, and each material can also carry out the material loading, and does not influence the ratio of each material, thereby has saved the time of material loading, has improved the efficiency of construction.

Description

Mixing mechanism of asphalt pavement milling cold recycling machine

Technical Field

The utility model belongs to the technical field of engineering construction equipment, refer in particular to a bituminous paving mills plane cold recycling machine's compounding mechanism.

Background

With the increasing of traffic volume, the accumulated axle load borne by some conventional highway pavements exceeds the design value, so that the pavement has problems of large-area longitudinal and transverse cracks, network cracks, crazing, ruts, subsidence, pits and the like, and the traffic capacity of the pavement has certain pressure, so that the pavement needs to be milled.

At present, milling and planing a road surface, in order to recycle an old asphalt road surface in situ, a cold recycling machine is provided, the road surface is excavated and smashed to be usable old aggregate, then the old aggregate and new aggregate are proportioned, mixed materials such as cement and asphalt are added and mixed in situ, and finally the mixed materials are poured onto a construction ground, in order to ensure the bearing grade of the new road surface, the mixing proportion of materials needs to be very accurate, some cold recycling machines excavate the road surface in advance, and then the mixed materials are proportioned and mixed after the excavation is finished, so that the working mode can slow down the construction efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bituminous paving mills plane cold recycling machine's compounding mechanism enables cold recycling machine when excavating ground through this compounding mechanism, can also mix the material, is under construction simultaneously to improve the efficiency of construction.

The purpose of the utility model is realized like this: a mixing mechanism of a cold recycling machine for milling and planing an asphalt pavement comprises a first aggregate bin, a second aggregate bin, an ore powder bin, an asphalt bin, a water tank and a material stirring device, wherein the first aggregate bin, the second aggregate bin, the ore powder bin and the asphalt bin are structurally identical and respectively comprise a storage tank, the interior of the storage tank is divided into a material storage area and a material metering area which are separated by a transverse separating plate, the separating plate is provided with an opening for communicating the material storage area with the material metering area, the top of the storage tank is provided with a feed inlet leading to the material storage area, the bottom of the storage tank is provided with a discharge outlet leading to the material metering area, the opening and the discharge outlet are both provided with control valves, a measuring instrument for detecting the quality of materials is arranged in the material metering area, and the measuring instrument is a pressure measuring instrument, the discharge port is also connected with a conveying pipeline leading to the material stirring device, and a water outlet pipe of the water tank is connected to the material stirring device.

Through adopting above-mentioned technical scheme, first aggregate storehouse is used for storing old aggregate (bituminous paving who smashes), and the second aggregate storehouse is used for storing new aggregate, divide into material storage area and material metering area with the inner space of storage tank, in carrying the material storage area in each storehouse with each material earlier, then open the control valve on the division board, make the material flow into material metering area, carry out accurate measurement to each material through the measuring apparatu, then discharge and send into in the material agitating unit by the discharge gate. The material storage area plays a transitional role, the excavating and crushing equipment on the cold recycling machine can work all the time, old aggregate is continuously conveyed into the material storage area in the first aggregate bin, and new aggregate, cement and modified asphalt are also carried out, so that the loading time is saved, and the construction efficiency is improved.

The utility model discloses further set up to: be equipped with on the shell of storage tank and access to the water injection pipeline in material measurement district, be equipped with the valve on the outer port of water injection pipeline, the port is equipped with the nozzle in the water injection pipeline, the nozzle by the outer port of water injection pipeline inserts the back is rotated through the screw thread and is connected in the water injection pipeline on the road in the water injection pipeline.

Through adopting above-mentioned technical scheme, be equipped with the water injection pipeline that leads to material metering area on the shell of storage tank, through to water injection pipeline water injection to wash material metering area inner wall, thereby ensured the cleanliness in the material metering area.

The utility model discloses further set up to: the water injection pipeline has three or more, and encircles the storage tank setting.

Through adopting above-mentioned technical scheme, set up many water injection pipelines, make the inner wall in material measurement district can both wash, prevent to have the washing dead angle, and lead to it unclean.

The utility model discloses further set up to: the mixing mechanism further comprises a screw conveyer, the first aggregate bin, the second aggregate bin and a conveying pipeline on the mineral powder bin are connected to a feed inlet of the screw conveyer, and a discharge outlet of the screw conveyer is communicated to the feed inlet of the material stirring device.

Through adopting above-mentioned technical scheme, in will weighing old aggregate, new aggregate and cement sent into material mixing device through screw conveyer, not only can improve conveying efficiency, but also can carry out a compounding earlier to old aggregate, new aggregate and cement, can save the churning time in material mixing device.

The utility model discloses further set up to: the material stirring device comprises a stirring tank, a motor, a speed reducer, a stirring shaft and stirring blades, wherein the motor, the speed reducer and the stirring shaft are sequentially connected through a coupler, and the stirring blades are spiral stirring blades.

Through adopting above-mentioned technical scheme, adopt spiral agitating unit to mix the material, compare in paddle stirring, not only stir fully, stirring efficiency is still high moreover.

The utility model adopts the above technical scheme beneficial effect that reaches is: the material storage tank is divided into a material storage area and a material metering area, so that when the material stirring device works, materials can be loaded, and the proportion of the materials is not influenced, so that the loading time is saved, and the construction efficiency is improved; be equipped with the water injection pipeline that leads to material metering district on the shell of storage tank, through to water injection pipeline water injection to wash material metering district inner wall, thereby ensured the cleanliness in the material metering district.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the storage tank of the present invention;

the reference numbers in the figures are: 1. a first aggregate bin; 11. a material storage tank; 111. a material storage area; 112. a separator plate; 113. a material metering area; 114. an opening; 115. a feed inlet; 116. a discharge port; 117. a delivery conduit; 118. a water injection pipeline; 1181. a valve; 1182. a nozzle; 2. a second aggregate bin; 3. a mineral powder bin; 4. an asphalt bin; 5. a water tank; 6. a material stirring device; 61. a stirring tank; 62. a motor; 63. a speed reducer; 64. a stirring shaft; 65. a stirring blade; 7. a screw conveyor.

Detailed Description

In order to make the technical solutions in the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings:

as shown in fig. 1, a mixing mechanism of a cold recycling machine for milling asphalt pavement comprises a first aggregate bin 1, a second aggregate bin 2, an ore powder bin 3, an asphalt bin 4, a water tank 5 and a material stirring device 6, wherein the material stirring device 6 comprises a stirring tank 61, a motor 62, a speed reducer 63, a stirring shaft 64 and stirring blades 65, the motor 62, the speed reducer 63 and the stirring shaft 64 are sequentially connected through a coupler, and the stirring blades 65 are spiral stirring blades 65. Adopt spiral agitating unit to mix the material, compare in paddle stirring, not only stir abundant, stirring efficiency is still high moreover.

As shown in fig. 2, the first aggregate bin 1, the second aggregate bin 2, the mineral powder bin 3 and the asphalt bin 4 all have the same structure and comprise a storage tank 11, the storage tank 11 is internally divided into a material storage area 111 and a material metering area 113, the two areas are separated by a transverse partition plate 112, the partition plate 112 is embedded, can dismantle, be equipped with the opening 114 that is used for communicateing material storage area 111 and material measurement district 113 on the division board 112, the feed inlet 115 that accesss to material storage area 111 is seted up at storage tank 11 top, the discharge gate 116 that accesss to material measurement district 113 is seted up to storage tank 11 bottom, all be provided with the control valve on opening 114 and the discharge gate 116, be provided with the measuring apparatu that is used for detecting the material quality in the material measurement district 113, the measuring apparatu is pressure measurement appearance, still be connected with the pipeline 117 that accesss to material mixing device 6 on the discharge gate 116, the outlet pipe of water tank 5 is even to material mixing device 6.

The first aggregate bin 1 is used for storing old aggregates (smashed bituminous pavement), the second aggregate bin 2 is used for storing new aggregates, the materials are firstly conveyed into the material storage area 111 of each bin, then the control valve on the partition plate 112 is opened, the materials flow into the material metering area 113, the materials are accurately measured through the pressure measuring instrument, and then the materials are discharged from the discharge port 116 and are conveyed into the material stirring device 6. The material storage area 111 plays a transition role, the excavation crushing equipment on the cold recycling machine can work all the time, old aggregate is continuously conveyed to the material storage area 111 in the first aggregate bin 1, new aggregate, cement and modified asphalt can be continuously conveyed, the material stirring device 6 can also feed materials when working, the proportioning of the materials is not influenced, the feeding time is saved, and the construction efficiency is improved.

Further preferably, the mixing mechanism further comprises a screw conveyer 7, conveying pipelines 117 on the first aggregate bin 1, the second aggregate bin 2 and the mineral powder bin 3 are connected to a feeding hole 115 of the screw conveyer 7, and a discharging hole 116 of the screw conveyer 7 leads to the feeding hole 115 of the material stirring device 6. Old aggregate, new aggregate and the cement that will weigh send into material mixing device 6 through screw conveyer 7 in, not only can improve conveying efficiency, but also can carry out a compounding earlier to old aggregate, new aggregate and cement, can save the churning time in material mixing device 6.

Further optimize, be equipped with the water injection pipeline 118 that leads to material measurement district 113 on the shell of storage tank 11, water injection pipeline 118 has three or more, and encircles storage tank 11 and sets up, is equipped with valve 1181 on the outer port of water injection pipeline 118, and the inner port of water injection pipeline 118 is equipped with nozzle 1182, and nozzle 1182 is inserted on the inner port of water injection pipeline 118 by the outer port of water injection pipeline 118 on the back through the screw thread rotation connection on water injection pipeline 118. Through to water injection pipeline 118 water to wash material measurement district 113 inner wall, thereby ensured the cleanliness in the material measurement district 113.

The above embodiments are only preferred embodiments of the present invention, not all embodiments, and other embodiments obtained based on the above embodiments by those skilled in the art without any creative work shall fall within the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a bituminous paving mills plane cold recycling machine's compounding mechanism which characterized in that: comprises a first aggregate bin (1), a second aggregate bin (2), an ore powder bin (3), an asphalt bin (4), a water tank (5) and a material stirring device (6), wherein the first aggregate bin (1), the second aggregate bin (2), the ore powder bin (3) and the asphalt bin (4) are identical in structure and comprise a storage tank (11), the storage tank (11) is internally divided into a material storage area (111) and a material metering area (113), the two areas are separated by a transverse partition plate (112), an opening (114) for communicating the material storage area (111) with the material metering area (113) is arranged on the partition plate (112), a feed inlet (115) leading to the material storage area (111) is formed in the top of the storage tank (11), a discharge outlet (116) leading to the material metering area (113) is formed in the bottom of the storage tank (11), the opening (114) and the discharge port (116) are both provided with control valves, a measuring instrument for detecting the quality of materials is arranged in the material metering area (113), the discharge port (116) is also connected with a conveying pipeline (117) leading to the material stirring device (6), and a water outlet pipe of the water tank (5) is connected to the material stirring device (6).

2. The mixing mechanism of the asphalt pavement milling cold recycling machine as claimed in claim 1, wherein: the mixing mechanism further comprises a screw conveyor (7), the first aggregate bin (1), the second aggregate bin (2) and a conveying pipeline (117) on the mineral powder bin (3) are connected to a feeding hole (115) of the screw conveyor (7), and a discharging hole (116) of the screw conveyor (7) leads to the feeding hole (115) of the material stirring device (6).

3. The mixing mechanism of the asphalt pavement milling cold recycling machine as claimed in claim 1, wherein: be equipped with on the shell of storage tank (11) and lead to water injection pipeline (118) in material measurement district (113), be equipped with valve (1181) on the outer port of water injection pipeline (118), water injection pipeline (118) inner port is equipped with nozzle (1182), nozzle (1182) by water injection pipeline (118) outer port inserts back is connected through the screw rotation on the port in water injection pipeline (118) on water injection pipeline (118).

4. The mixing mechanism of the asphalt pavement milling cold recycling machine as claimed in claim 3, characterized in that: the number of the water injection pipelines (118) is three or more, and the water injection pipelines surround the material storage tank (11).

5. The mixing mechanism of the asphalt pavement milling cold recycling machine as claimed in claim 1, wherein: the measuring instrument is a pressure measuring instrument.

6. The mixing mechanism of the asphalt pavement milling cold recycling machine as claimed in claim 1, wherein: the material stirring device (6) comprises a stirring tank (61), a motor (62), a speed reducer (63), a stirring shaft (64) and stirring blades (65), wherein the motor (62), the speed reducer (63) and the stirring shaft (64) are sequentially connected through a coupler, and the stirring blades (65) are spiral stirring blades (65).