CN202247600U - Double-box hot aggregate partitioning and screening machine for asphalt mixture blender - Google Patents
Double-box hot aggregate partitioning and screening machine for asphalt mixture blender Download PDFInfo
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- CN202247600U CN202247600U CN2011202473232U CN201120247323U CN202247600U CN 202247600 U CN202247600 U CN 202247600U CN 2011202473232 U CN2011202473232 U CN 2011202473232U CN 201120247323 U CN201120247323 U CN 201120247323U CN 202247600 U CN202247600 U CN 202247600U
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- hot aggregate
- baffle
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Abstract
The utility model relates to a hot aggregate screening machine for a double-feeding type asphalt mixture blender. The hot aggregate screening machine mainly comprises a vibrator, screening boxes, a vibration-absorption supporting device, a motor transmission device, dustproof covers, distribution valves and vibration screening nets. The hot aggregate screening machine is characterized in that: the vibrator, the screening boxes, the vibration-absorption supporting device, the motor transmission device, the dustproof covers, the distribution valves and the vibration screening nets are respectively provided with two sleeves; two screening boxes are arranged in parallel and jointed together, and are mutually independent; each of the two screening boxes is provided with respective feeding opening, dustproof cover and distribution valve on the feeding opening; and the vibration screening nets in the two screening boxes are provided with partitioned screening holes; the size of screening holes of the vibration screening nets corresponds to that of a cold aggregate, wherein the vibration screening nets are partitioned into two groups: one group is used for screening the smallest sand gravel and the other group is used for screening rough sand gravel. The hot aggregate screening machine provided by the utility model has the advantages of improving the screening capability, reducing the energy consumption, and increasing the yield of one machine and the production efficiency.
Description
Technical field
The utility model belongs to the road building machinery field, specifically is the hot aggregate baffle of the two casees screening machine on a kind of two feed system bituminous mixture lorry mounted mixers of producing bituminous mixture.
Background technology
High speed development along with highway construction; Common equipment is batch-mixed material lorry mounted mixer in hot-mix asphalt mixture production at present, and equipment mainly comprises cold burden system, drying drum, dust pelletizing system, powder system, hot aggregate elevator, hot aggregate screening machine, hot aggregate storage bin, metering system, mixer and finished product bin.This equipment is under the temperature of regulation, different-grain diameter aggregate, filler and the pitch of dry heat to be mixed into factory's formula a complete set of equipment of uniform compound by design mixture proportion; Batch mixer is to have the unit of relative independentability to couple together each, and forming one is the system at center with the agitator.
Hot aggregate screening machine is that the hot aggregate that hot aggregate elevator transports is carried out classification, delivers to the device of hot aggregate storage bin.Hot aggregate is screened into difference (general five kinds) specification after getting into screening machine, gets into respectively in the hot aggregate warehouse (five storehouses).Hot aggregate screening machine top is provided with distributing valve, and hot aggregate also can directly get into the bypass storehouse without screening.The structure of hot aggregate screening machine, as shown in Figure 1.
Because the description of materials that China uses is more assorted, variability is big, and adding the batching plant mostly is open-air stock ground; Material moisture content receives weather effect bigger; The existing deficiency of production technology and the problem of existing batch mixer and this equipment mainly contain: storing lack of space and increased secondary and have bad luck problem, the sieving capacity deficiency cold burden storehouse before; Single machine yield and efficient are lower, and energy consumption is bigger.
Summary of the invention
The purpose of the utility model is to improve to the deficiency that existing batch mixer exists; And the not enough problem of the sieving capacity that can effectively solve batch mixer, provide a kind of and can improve sieving capacity, cut down the consumption of energy, increase the hot aggregate baffle of the two casees screening machine on two feed system bituminous mixture lorry mounted mixers of single machine yield and production efficiency.
For realizing that above-mentioned purpose the utility model technical scheme is:
The hot aggregate baffle of two casees screening machine on a kind of bituminous mixture lorry mounted mixer, involving vibrations device, screen box, vibration damping support device, transmission gear for electric motor, dust cover, distributing valve and vibration screen; Be characterized in that described vibrator, sieve, vibration damping support device, dust cover, distributing valve and vibration screen are respectively equipped with two covers, two screen boxs are arranged in juxtaposition and are bound up, and are separate; Described two screen boxs are respectively equipped with the distributing valve on charging aperture, dust cover and the dress charging aperture separately; Vibration screen in described two screen boxs adopts the configuration of baffle sieve aperture net, and the sieve aperture of vibration screen is corresponding with the specification of cold aggregate; Wherein: the vibration screen baffle is divided into two groups; One group is the fine sand building stones of sub-sieve, and another group is sub-sieve coarse sand building stones.
Described transmission gear for electric motor 4 is a cover, drives two cover vibrators simultaneously.
The beneficial effect of the utility model is: owing to adopt the baffle sub-sieve of hot aggregate screening machine, the separate inflatable chamber screening is gathered materials and the cold basically identical that gathers materials of corresponding specification hot aggregate bin, and the design object match ratio does not directly design production mix proportion.Make drying rate production efficiency double, that improved sieving capacity, single device significantly improve, make its output double; And it is more energy-conservation; Particularly efficiently solve before the mountain construction cold burden storehouse storing lack of space and increased the problem that secondary is had bad luck, so not only reduced secondary and had bad luck cost but also practiced thrift a large amount of lands used.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the schematic top plan view of Fig. 1.
The specific embodiment
Specify the utility model below in conjunction with accompanying drawing.
Illustrated in figures 1 and 2, the structure of the utility model.The hot aggregate baffle of two casees screening machine involving vibrations device 1 on a kind of bituminous mixture lorry mounted mixer, screen box 2, vibration damping support device 3, transmission gear for electric motor 4, dust cover 5, distributing valve 6 and vibration screen 7; It is characterized in that: described vibrator, sieve, vibration damping support device, dust cover, distributing valve and vibration screen are respectively equipped with two covers, and two screen boxs are arranged in juxtaposition and are bound up, and are separate; Described two screen boxs are respectively equipped with the distributing valve 6 on charging aperture, dust cover 5 and the dress charging aperture separately; Vibration screen in described two screen boxs adopts the configuration of baffle sieve aperture net, and the sieve aperture of vibration screen is corresponding with the specification of cold aggregate; Wherein: the vibration screen baffle is divided into two groups; One group is the fine sand building stones of sub-sieve, and another group is sub-sieve coarse sand building stones.
Described transmission gear for electric motor 4 is a cover, drives two cover vibrators simultaneously.Transmission gear for electric motor 4 also can drive two cover vibrators respectively for two covers, and this is actual to be that the hot aggregate screening machine of existing two covers composes in parallel.
Vibrator as vibration source is installed in respectively on the side plate of screen box, after material gets into compass screen surface, forms mass of vibration together with screen box, under shock-absorbing spring supports, constitutes whole vibrational system.Connect with universal coupling between the vibrator; On every group of vibrator symmetry equivalent eccentric mass is housed respectively; Under bearings, transmission gear for electric motor passes the power of coming, and makes the eccentric mass on the two cover vibrators do the incorgruous rotation of motor synchronizing; When centrifugal force is and superpose, the time and the cycle alternation state of offsetting makes whole ginseng vibrating system do double vibrations along straight path.
The baffle vibrating screen mesh of hot aggregate screening machine adopts the baffle sieve aperture; Confirming of sieve aperture specification is corresponding with the specification of two groups of cold aggregates that are divided into; Sieve aperture specification with reference to the baffle vibrosieve is selected reference table, and maximum sieve aperture should be slightly larger than the maximum particle diameter (or maximum sieve aperture is slightly larger than the maximum particle diameter of compound) of corresponding cold aggregate group.
The sieve aperture specification selection reference table of baffle vibrosieve (square hole screen, mm)
Explain: the interval out of stock of the corresponding cold burden of baffle vibrosieve sieve aperture, out of stock greater than one when interval range of choice bigger, be easy to choose so unlisted.
Cold aggregate is divided into two groups, and what contain the thinnest one grade of cold aggregate is one group, in the corresponding screen box (A case); Another group is thick cold aggregate, in corresponding another screen box (B case); There is gathering materials of equal or close specification to merge in the various cold burdens and can be regarded as a kind of being put in same group; The charge proportion that these two kinds (or two or more) gather materials is from cold burden feed system control, and two kinds (or two or more) are gathered materials and also adjusted in proportion by preset blending ratio during adjustment cold burden charging rate.
Instance: the selection of the baffle vibrosieve sieve aperture specification of the grouping of the cold aggregate of the utility model and hot aggregate screening machine
Example 1: certain engineering AC-16 compound use is gathered materials for four kinds and is respectively rubble 9.5-19mm (A material), rubble 4.75-9.5mm (B material), rubble 2.36-4.75mm (C material), machine-processed sand 0-2.36mm (D material)
Divide into groups:
Cold aggregate is divided into two groups by the sized baffle: first group is A material, C material; Second group is B material, D material.
What contain the thinnest one grade of cold aggregate is one group, the corresponding A case; Another group is thick cold aggregate, corresponding B case.
Corresponding A case: rubble 4.75-9.5mm (B material), machine-processed sand 0-2.36mm (D material)
Corresponding B case: rubble 9.5-19mm (A material), rubble 2.36-4.75mm (C material)
Sieve aperture is selected:
Being spaced apart 2.36-4.75mm between corresponding A case: B material and the D material selects reference table to select 4.5mm with reference to the sieve aperture specification of baffle vibrosieve; The maximum sieve aperture is selected 13mm (also can select the sieve aperture smaller or equal to 23mm greater than 13mm), still divides two kinds of entering hot aggregate bins to expect corresponding with B material, D after the screening of gathering materials;
Corresponding B case: be spaced apart 4.75-9.5mm between A material and C expect and select reference table selection 8mm, maximum sieve aperture to select 23mm, still divide two kinds of entering hot aggregate bins to expect corresponding after the screening of gathering materials with A material, C with reference to the sieve aperture specification of baffle vibrosieve.
The baffle vibrosieve sieve aperture specification of hot aggregate screening machine is confirmed the A case: be 4.5mm, 13mm; B case: be 8mm, 23mm.
Example 2: certain engineering AC-25 compound use is gathered materials for six kinds and is respectively rubble 19-31.5mm (A material), rubble 9.5-19mm (B material), rubble 4.75-9.5mm (C material), rubble 2.36-4.75mm (D material), machine-processed sand 0-2.36mm (E material), natural sand 0-4.75mm (F material).
Divide into groups:
A kind of being put in same group, then can be regarded as in mechanism sand 0-2.36mm (E material), natural sand 0-4.75mm (F material) merging that specification is close
Cold aggregate is divided into two groups by the sized baffle: first group of A case: A material, C material, E material and F material; Second group of B case: be B material, D material.
The ratio of E material and F material is controlled from the cold burden feed system.
Sieve aperture is selected:
First group of A case, is separated with 9.5-19mm, 2.36/4.75-4.75 between being interrupted at maximum particle diameter 31.5mm, selects sieve aperture 35mm, 16mm, 5.5mm, and being divided into three kinds after the screening of gathering materials, to get into hot aggregate bins corresponding with A material, C material, E material and F material respectively.
Second group of B case, is interrupted and is spaced apart 4.75-9.5mm maximum particle diameter 19mm, selects sieve aperture 23mm (also can select the sieve aperture smaller or equal to 35mm greater than 23mm), 8mm, and the screening back that gathers materials is divided two kinds, and to get into hot aggregate bins corresponding with B material, D material respectively.
The baffle vibrosieve sieve aperture specification of hot aggregate screening machine is confirmed the A case: be 35mm, 16mm, 5.5mm; B case: be 23mm, 8mm.
Claims (2)
1. the hot aggregate baffle of the two casees screening machine on the bituminous mixture lorry mounted mixer, involving vibrations device (1), screen box (2), vibration damping support device (3), transmission gear for electric motor (4), dust cover (5), distributing valve (6) and vibration screen (7); It is characterized in that: described vibrator, screen box, vibration damping support device, dust cover, distributing valve and vibration screen are respectively equipped with two covers, and two screen boxs are arranged in juxtaposition and are bound up, and are separate; Described two screen boxs are respectively equipped with the distributing valve (6) on charging aperture, dust cover (5) and the dress charging aperture separately; Vibration screen in described two screen boxs adopts the configuration of baffle sieve aperture, and the sieve aperture of vibration screen is corresponding with the specification of cold aggregate; Wherein: the vibration screen baffle is divided into two groups; One group is the fine sand building stones of sub-sieve, and another group is sub-sieve coarse sand building stones.
2. according to the hot aggregate baffle of the two casees screening machine on the described a kind of bituminous mixture lorry mounted mixer of claim 1, it is characterized in that: described transmission gear for electric motor (4) is a cover, drives two cover vibrators simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202473232U CN202247600U (en) | 2011-07-14 | 2011-07-14 | Double-box hot aggregate partitioning and screening machine for asphalt mixture blender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202473232U CN202247600U (en) | 2011-07-14 | 2011-07-14 | Double-box hot aggregate partitioning and screening machine for asphalt mixture blender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202247600U true CN202247600U (en) | 2012-05-30 |
Family
ID=46108862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202473232U Expired - Lifetime CN202247600U (en) | 2011-07-14 | 2011-07-14 | Double-box hot aggregate partitioning and screening machine for asphalt mixture blender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202247600U (en) |
-
2011
- 2011-07-14 CN CN2011202473232U patent/CN202247600U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |