CN207827216U - Closed powder material quantitative feedway - Google Patents

Abstract

The utility model discloses a kind of closed powder material quantitative feedways, including vertical auger, and the weighing tank at vertical auger discharging mouth is set, the vertical auger includes feed cylinder, it is centrally positioned in the inner cylinder that in feed cylinder and belt transmission is passed through by motor, the inside spin blade being arranged in the inner cylinder, and the external spiral blade that is arranged between inner cylinder and feed cylinder.Semi-trailer frame etc. can be used in the vehicle frame of the utility model, whole device is arranged on vehicle frame, substantially increase its mobility, it only needs simple water route connection that can come into operation, reduces the operation cost of early period and later stage, mechanism is added using two groups of powders, the powder supply of one or two kinds of or even a variety of powders can be achieved, using the cooperation of auger and weighing tank, it can be achieved that the powder of predetermined component predetermined weight weighs addition, being quantitatively adding for powder is realized.

Description

Closed powder material quantitative feedway

Technical field

The utility model is related to road and bridge construction machinery, fast construction technical field of construction, more particularly to a kind of closed Powder material quantitative feedway.

Background technology

Bumping at bridge-head is made due to relative settlement or the expansion joint destruction at highway end of the bridge and expansion joint (bridge approach) Road surface longitudinal slope occur step cause vehicle by when generate jump the phenomenon that, principle is that road surface difference occurs at back filling behind abutment The sedimentation fracture (sedimentation value is generally 10~30cm, and some is even more than 60cm) of degree, make vehicle by when generate jump and Impact makes driver and passenger feel discomfort of jolting, or even cause vehicle to cause additional impact load to bridges and culverts and road surface Significantly slow down, it is serious to lead to traffic accident (especially vehicle mechanical accident).Therefore, problem of bumping at bridge-head has become height The construction quality of standard highway and the important factor in order of cost.Problem of bumping at bridge-head is always to perplex municipal administration engineering technology One of problem of personnel.It solves the problems, such as bumping at bridge-head, is the vital task of Municipal Infrastructure Management department

The main reason for causing bumping at bridge-head have differential settlement, rigidity mutation and speed and vehicle itself resistance to shock Deng.For urban road road conditions, differential settlement, production occur for the junction mainly between flexible pavement and rigid structure Caused by raw faulting of slab ends.Bridge and roadbed, the composition material on road surface, rigidity, intensity, swell-shrink characteristic etc. have differences, and end of the bridge junction Concentrated stress is easily formed when stress.Under vehicular load, dead load, effect of natural environment, it is heavy that bridge occurs simultaneously with road Drop, but the settling amount of the two has very big difference, the settling amount of road to be much larger than the settling amount of bridge, forms faulting of slab ends, causes to drive a vehicle Shi Fasheng bumping at bridge-head.

CN105000845 disclose it is a kind of applied to Abutment Back backfill lightweight foam soil, including cement, mixing material, Water, conditioning agent, foaming agent, foaming agent, waterproofing agent；Additionally provide a kind of preparation of the lightweight foam soil applied to Abutment Back backfill By plunger pump and air compressor machine foam is made in foaming agent by method, material is mixed by blender, frequency converter control System takes out the speed of slurry, to control the unit weight of final finished；Additionally provide a kind of lightweight foam soil applied to Abutment Back backfill Component on site construction method, the utility model light foam penus light material is small to foundation load after filling, is greatly reduced at ground Intensity is managed, the basement process duration is saved.After lightweight foam soil cast before initial set, there is good mobility, fill self-compaction, it can Conventional fillers are avoided to fill not full defect, application property is strong, the phenomenon that capable of effectively solving bumping at bridge-head.

But the existing autochthonal forming apparatus of foam is complicated, especially can cause a large amount of dust pollution in construction, It is unfavorable for environmental Kuznets Curves, becomes urgent problem.

Utility model content

The purpose of this utility model is to be directed to technological deficiency existing in the prior art, and provide a kind of closed powder Materials quantitative feedway.

Technical solution is used by realize the purpose of this utility model：

A kind of closed powder material quantitative feedway, including vertical auger, and be arranged in vertical auger discharging mouth The weighing tank at place,

The vertical auger includes feed cylinder, is centrally positioned in feed cylinder and is passed through in belt transmission by motor Cylinder, the inside spin blade being arranged in the inner cylinder, and the external spiral blade that is arranged between inner cylinder and feed cylinder.

Further include storage tank, and the water in connection the storage tank bottom discharge mouth and vertical screw conveyer of stirring pot bottom is set Flat auger.

The outlet of the horizontal auger and the import of vertical auger have closed feed bin excessively.

Inlet communication of the axial port of the horizontal auger directly with the vertical flood dragon.

Top is provided with dust removal by filtration mechanism；Including outer barrel, the interior support plate in outer barrel inner top is set, is fixed at The filter cloth bag of interior support plate lower part, and the pneumatically or electrically percussion mechanism that is arranged above interior support plate.

It is additionally provided with primary filtration network 40-60 mesh in the outer barrel bottom.

The gravity sensor controllably being connect with the vertical auger is provided between the weighing tank and holder.

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

Semi-trailer frame etc. can be used in the vehicle frame of the utility model, and whole device is arranged on vehicle frame, is substantially increased Its mobility, it is only necessary to which simple water route connection can come into operation, and reduce the operation cost of early period and later stage, added using two groups of powders Add mechanism, it can be achieved that the powder of one or two kinds of or even a variety of powders supplies, using the cooperation of auger and weighing tank, it can be achieved that pre- The powder for determining component predetermined weight weighs addition, realizes being quantitatively adding for powder.

Description of the drawings

Fig. 1 show the side structure schematic view of the closed powder material quantitative feedway of the utility model；

Fig. 2 show vertical view shown in FIG. 1；

Fig. 3 show side view shown in FIG. 1；

Fig. 4 show vertical auger structural schematic diagram.

Specific implementation mode

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.

As shown, a kind of closed powder material quantitative feedway of the utility model, including,

Pedestal 1 is fixed at the two groups of powders addition machine on vehicle frame and being set up in parallel such as vehicle frame, including vehicle frame The auger in storing pot bottom, Yi Jiyu is arranged including at least one storage tank 2, feed inlet in structure, every group of powder addition mechanism The weighing tank 3 that the discharge port of the auger is correspondingly arranged；The weighing tank includes weighing tank body, is fixedly connected with vehicle frame Holder, the weighing tank body be arranged on the holder and therebetween setting pressure sensor to realize content The measurement of weight.Wherein, the storage tank is multiple, and such as 3, the auger includes being arranged in multiple stirring pot bottoms The vertical auger 7 that the outlet of horizontal auger 6, import and the horizontal auger is correspondingly arranged, the horizontal auger are provided with Multiple feed inlets corresponding with the described agitator tank, the vertical auger are vertically arranged so that powder is promoted to storage tank, institute The outlet for the horizontal auger stated and the import of vertical auger have closed feed bin 72 excessively can by the cooperation of auger and agitator tank It realizes that an intermittent powder to a variety of categories of auger carries out conveying weighing, simplifies overall structure, utilized feed bin by two A auger connection, two augers match work, it can be achieved that granular material long distance delivery and promotion.Wherein, the vertical strand Dragon includes feed cylinder 71, is centrally positioned in feed cylinder and the inner cylinder 73 by motor by belt transmission, is arranged in described Inside spin blade 74 in cylinder, and the external spiral blade 75 that is arranged between inner cylinder and feed cylinder, at the top of the feed cylinder It is provided with drainage conduit 76, using two groups of promotions, inside and outside two material lifting channels are effectively real while ensureing to promote speed Show a large amount of pump fortune, improves yield, and vertical auger is driven using belt, is avoided that load excessive is led when startup is restarted What is caused burns.Meanwhile being designed using the two-stage auger being in series, material is transmitted in closed conduct, is reduced environmental pollution.

Semi-trailer frame etc. can be used in the vehicle frame of the utility model, and whole device is arranged on vehicle frame, is substantially increased Its mobility, it is only necessary to which simple water route connection can come into operation, and reduce the operation cost of early period and later stage, added using two groups of powders Add mechanism, it can be achieved that the powder of one or two kinds of or even a variety of powders supplies, using the cooperation of auger and weighing tank, it can be achieved that pre- The powder for determining component predetermined weight weighs addition, realizes being quantitatively adding for powder.

As another specific embodiment, which can also be used the design of single-screw blade, under the embodiment, stand Formula cement transportation device design concept is big ω speed, and rubbing angle and super material stop angle between super material blade, rubbing angle Refer to helicoid and the axial angle of screw rod, angle of stopping is the characteristic that material is formed with blade screw angle, the spiral shell of blade After swing angle degree (slanted angle of helical blade and screw shaft) determines, because of material own characteristic, which also determines, should Much bigger than national design standard of angle, the general angle for increasing angle and reduction 10% or so, and the utility model increases It has been more than 50% in 30-50% or even increased angle, has reached one times, design helical pitch is than national big by 1/3, high 3 times nearly four times of speed Ultrahigh rotating speed, national desin speed 35-90r/m we in 380r/m, as specific embodiment, it is per minute to complete yield position 1 cube, caliber 425mm in feed cylinder, rubbing angle is 15-16 ° between material blade, such as 15.4 °；Inner diameter of steel flue 133mm, spiral shell Revolve blade diameter 405mm, height 3.5m, lead of screw 350mm.

Preferably, further include the dust removal by filtration being removably disposed at the top of storage tank, weighing tank and a mixing bowl Mechanism 8, the dust removal by filtration mechanism includes outer barrel, and the interior support plate in outer barrel inner top is arranged, is fixed under interior support plate The filter cloth bag in portion, and the pneumatically or electrically percussion mechanism that is arranged above interior support plate, also set up in the outer barrel bottom There are primary filtration network, 40-60 mesh.Using filter mechanism, it can be achieved that the supplement to powder in storage tank and supply, are reduced to outer space Gas pollutes, and uses detachable structure, whole height is reduced, convenient for passing through bridge when highway transportation.

The utility model further simultaneously discloses a kind of foamed cement processing method, includes the following steps,

1) start material addition mechanism and the corresponding powder for storing set amount in the weighing tank,

2) by the first powder, such as cement, a mixing bowl is added and stirs；

3) the second powder is finished as flyash is added in a mixing bowl up to whole powders add after the stirring predetermined time, That is, can be by the cooperation of the first flood dragon and corresponding storage tank, it can be achieved that being quantitatively adding successively for a variety of powders, i.e., first carry out siccative Puddle,

4) conveying water pipe is added in auxiliary agent by auxiliary agent addition mechanism；

5) start water addition mechanism and foaming agent addition mechanism so that a mixing bowl is added in the water of predetermined amount and foaming agent and is stirred It mixes, wherein first add water, remaining water and foaming agent are added again after adding powder water stirring to be slurried；It certainly, also can be by water All after addition and after stirring and being slurried, foaming agent is then added again, foaming agent is from the direct Large Diameter Pipeline in a mixing bowl top center Injection, it is less because foam rupture caused by transmission, improves end product quality.

6) slurry is discharged from stirring rod bottom or side bottom after stirring evenly.

The foamed cement processing method of the utility model, control is simple, and powder is quantitatively adding successively, and advanced dry mash is mixed It closes, then mixed powder stirring is dipped into infiltration type and is contacted with water, complete to add foaming agent after powder is slurried, reduce foaming Mixing time avoids foam from rupturing, and improves integral product quality.

The above is only the preferred embodiment of the utility model, it is noted that for the general of the art For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change The scope of protection of the utility model is also should be regarded as into retouching.

Claims (7)

1. a kind of closed powder material quantitative feedway, which is characterized in that twisted vertically including vertical auger, and setting The weighing tank of imperial discharge outlet,

The vertical auger includes feed cylinder, is centrally positioned in feed cylinder and the inner cylinder by motor by belt transmission, if The inside spin blade in the inner cylinder is set, and the external spiral blade being arranged between inner cylinder and feed cylinder.

2. closed powder material quantitative feedway as described in claim 1, which is characterized in that further include storage tank, with And the horizontal auger in connection the storage tank bottom discharge mouth and vertical screw conveyer of stirring pot bottom is set.

3. closed powder material quantitative feedway as claimed in claim 2, which is characterized in that the horizontal auger Outlet and the import of vertical auger have closed feed bin excessively.

4. closed powder material quantitative feedway as claimed in claim 2, which is characterized in that the horizontal auger Inlet communication of the axial port directly with the vertical flood dragon.

5. closed powder material quantitative feedway as described in claim 1, which is characterized in that top is provided with filtering Dedusting mechanism；Including outer barrel, the interior support plate in outer barrel inner top is set, is fixed at the filter cloth bag of interior support plate lower part, with And the pneumatically or electrically percussion mechanism being arranged above interior support plate.

6. closed powder material quantitative feedway as claimed in claim 5, which is characterized in that in the outer barrel bottom It is additionally provided with primary filtration network 40-60 mesh.

7. closed powder material quantitative feedway as described in claim 1, which is characterized in that the weighing tank and branch The gravity sensor controllably being connect with the vertical auger is provided between frame.