CN207419199U - A kind of crack resistance type rubber powder cement stabilized macadam mixing and conveying system - Google Patents

Abstract

The utility model is related to a kind of crack resistance type rubber powder cement stabilized macadam mixing and conveying systems, including agitator tank, ribbon conveyer and feed bin, the arrival end top of ribbon conveyer sets the feed bin, the port of export of ribbon conveyer is connected to agitator tank, flase floor is fixedly mounted inside the discharge port of the feed bin, wherein：The automatic Tong Liao mechanisms being positioned in the inside of feed bin above the flase floor, the automatic Tong Liao mechanisms include upper support frame, hydraulic cylinder, material-passing rod and material toggling head, upper support frame is fixedly mounted on feed bin top, vertical hydraulic cylinder is installed on the upper support frame, the coaxially connected material-passing rod of cylinder rod of the hydraulic cylinder, the bottom installation material toggling head of the material-passing rod, the material toggling head close on the flase floor top.The utility model is simple in structure, and design is scientific and reasonable, on the premise of being uniformly mixed ensureing rubber powder material with graded broken stone, material is avoided to be blocked in bin bottom, blanking effect is improved, so as to ensure efficient, the stable operation of blanking system.

Description

A kind of crack resistance type rubber powder cement stabilized macadam mixing and conveying system

Technical field

The utility model belongs to ground surface material production equipment field, and a kind of particularly crack resistance type rubber powder cement stabilized macadam mixes Close transport system.

Background technology

With the fast development of Chinese national economy and Transportation Infrastructure Construction, large quantities of high-grade highways and city trunk It is open to the traffic in succession in road.Based on Cement Stable Macadam Mixture bearing capacity is strong, rigidity is big, plate body is good, construction technology is simple The advantages that easily-controllable and good warm and humid stability, most built or projects under construction are dripped using cement stabilized macadam base Blue or green pavement structure form.It is found in substantial amounts of application process, although traditional Cement Stable Macadam Mixture is as asphalt road Face base has lot of advantages, however, there are also insoluble problem, wherein most distinct issues are exactly its cracking The Random early Detection problem of caused bituminous paving.Laboratory test and the application display of a large amount of entity projects, it is either what type of Cement stabilized macadam structure sheaf, either using which kind of molded design method, either how strictly to control construction quality, no matter It is under the conditions of which kind of climatic environment, all inevitably results from cracking phenomena.And this cracking phenomena, not only so that pitch There is reflection crack in surface layer, while rainwater is oozed under the table of Ye Jiangshi roads and progressively penetrates into road structure floor and is difficult to discharge, and directly results in Road surface bearing capacity is greatly lowered, and under the complexing action of traffic load and temperature environment, crack can drastically extend, from And it is applied to the critical defect of sub-surface as cement stabilized macadam.

And cracking phenomena is mostly derived from temperature contracting and the drying shrinkage problem that cement stabilized macadam itself can not overcome.Traditional cement Stabilization gravel mixture refers to mix suitable cement and water in loose gather materials, through mix and stir, be compacted and health after obtain A kind of inorganic binder reinforce stabilizing material.For material property, Cement Stable Macadam Mixture relies primarily on aquation work With intensity is formed, and environment temperature and humidity are formed with large effect to intensity, mix and stir and forming process in, extraneous ring The variation of border and mixture interior moisture content can cause the contraction change of material macroscopic view volume, when this contraction strain is more than material After the maximum stretching strain that itself can bear, cracking will be generated.For horizon texture, it is assumed that asphalt surface course and cement stabilizing It is system between pantostrat between crushed stone layer, the cement stabilized macadam as sub-surface is primarily subjected to flexural tensile stress, and material Expecting itself, plate body is good, rigidity is larger and tensile strength is too low so that it is especially sensitive to traffic loading, and is difficult to bear heavy duty The curved drawing fatigue stress generated under flexural tensile stress caused by traffic and repetition action of traffic loading, so as in use Inevitably result from cracking phenomena.

In view of the above-mentioned problems, to make full use of, cement stabilized macadam bearing capacity is strong, good (the diffusion-induced stress ability of plate body By force), the advantages that stability is good, construction technology is simple and easy to control and cost is relatively low, and its drying shrinkage is reduced as far as possible and warm contracting phenomenon is made Into problem of Cracking, China grey decision system worker wish by take certain measure ensure the original skill of cement stabilized macadam Material stiffness is suitably reduced on the basis of art advantage, material flexibility is improved, to increase its non-deformability, better adapts to ring The variation of border temperature and humidity reduces or prevents it to generate cracking, so as to improve Pavement Condition and extend the service life.

And it is well known that with the continuous improvement of our people's living standard and the fast development of auto industry, social vapour The growth rate of vehicle ownership is getting faster, while also with a large amount of accumulations of waste tire of automobile.These waste tire categories The macromolecular material of Yu Burong or infusibility, it is difficult to it degrades, and there is very strong heat resistanceheat resistant, antibiont and mechanical resistance, By its long-term air storage, not only land occupation resource, but also easily grow mosquito, spread the disease has been referred to as " black dirt Contaminate " and as social effects of pollution, the dwelling environment of the people is drastically influenced, great pressure is brought to urban and rural environment improvement.But The material containing cross-linked structure that waste tire is made of multiple materials such as rubber, carbon black, softening agent, vulcanizing agents, primary chemical Ingredient be natural rubber and butadiene-styrene rubber, there is high resiliency and high tenacity, there is very strong elastic recovery capability, by itself plus Rubber powder made of work has the elasticity and crosslinking feature again of natural rubber, and molecule is in three-dimensional space network structure, high resilience Without viscosity and plasticity, preferable flexibility is able to maintain that within the scope of larger temperature.

Waste tire of automobile belongs to solid waste, resourceful and cheap, in theory, by waste rubber tyre powder Applied to Cement Treated Material, waste can not only be efficiently used, turns waste into wealth, economize on resources, reduce black pollution, and And waste rubber tyre powder and the respective technical characteristic of conventional cement stabilization gravel can be given full play to, reduce the contraction of cement stabilized macadam Cracking behavior significantly improves its flexibility and non-deformability, so as to improve Pavement Condition and service life.Meanwhile from state's housekeeping Plan environment says that waste rubber tyre powder is applied in traditional Cement Stable Macadam Mixture, additionally it is possible to effectively improve roadbed embankment material Recycle level, meet national Developing Circulation Economy and the policy requirements built a conservation-minded society, belong to traffic fortune The emphasis that defeated portion builds plan of science and technology supports project, has broader technology radiation.

In short, the technology, using waste rubber tyre powder as modified material, retaining, conventional cement stabilization gravel mixture technology is excellent On the premise of gesture, improve the rigidity of original material by filling suitable waste rubber tyre powder, increase its flexibility and resistance to deformation energy Power fundamentally slows down or prevents the cracking of semi-rigid material to reduce the sensibility to heavily loaded traffic loading, will significantly carry It is the performance of high cement stabilized macadam structure sheaf and service life, wide with apparent economic, society and environmental benefit, application prospect It is wealthy.

Existing Cement Stable Macadam Mixture is broken by grading by including the transport system of the compositions such as feed bin, conveyer Stone ore material and cement transportation are stirred mixing to mixing plant.To ensure road waste tyre rubber powder particle and graded broken stone ore deposit The mixing uniformity of material, optimal mode can be used transport system preamble i.e. complete premixing.In existing transport system, Graded broken stone is conveyed by Vibration Storage bin blanking to ribbon conveyer, due to road waste tyre rubber powder there are it is light-weight, The problem of grain size is small easily blocks in feed bin, causes blanking difficult.Blanking can be strengthened by usually installing vibration motor additional, but For graded broken stone and rubber powder granule mixture, thickness material layering is be easy to cause in oscillatory process, causes the mixing of material The uniformity is not good enough.Need using one kind can ensure it is good containing road waste tyre rubber powder and graded broken stone mineral aggregate can continuously, The transport system of smooth blanking.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art, and providing one kind can ensure containing road damaged tire glue Powder is uniformly mixed with graded broken stone mineral aggregate, at the same can continuous, smooth blanking crack resistance type rubber powder cement stabilized macadam blending transportation System.

The utility model solves its technical problem and is achieved through the following technical solutions：

A kind of crack resistance type rubber powder cement stabilized macadam mixing and conveying system, including agitator tank, ribbon conveyer and feed bin, band The arrival end top of formula conveyer sets the feed bin, and the port of export of ribbon conveyer is connected to agitator tank, and the feed bin goes out Flase floor is fixedly mounted inside material mouth, it is characterised in that：It is positioned in the inside of feed bin automatic logical above the flase floor Expect mechanism, which includes upper support frame, hydraulic cylinder, material-passing rod and material toggling head, is fixedly mounted on feed bin top Supporting rack installs vertical hydraulic cylinder, the coaxially connected material-passing rod of cylinder rod of the hydraulic cylinder, the bottom of the material-passing rod on the upper support frame Material toggling head is installed in portion, which closes on the flase floor top.

Moreover, the material toggling head is rotating fins formula material toggling head, the rotating fins formula material toggling head is including rotary sleeve and outside The fin in portion, the rotary sleeve inner wall is formed with to be fixed with several with the matched screw thread of the material-passing rod, rotary sleeve outer wall interval Fin.

Moreover, the width of the fin is wide at the top and narrow at the bottom, several fins are in integrally back taper.

It the advantages of the utility model and has the beneficial effect that：

1st, the crack resistance type rubber powder cement stabilized macadam mixing and conveying system of the utility model, it is automatic by being set in feed bin Tong Liao mechanisms in blanking operation, can carry out the mixture in feed bin to stir up and down, so as to effectively improve rubber powder granule With the mixing uniformity of graded broken stone, while feed blocking is avoided, improve blanking effect；Compared with rotary agitator mechanism, sheet Tong Liao mechanisms can realize to be stirred above and below, material-passing rod stable structure, stirs great efforts, is not easy to generate damage because mineral aggregate is hit, be used Long lifespan.

2nd, the crack resistance type rubber powder cement stabilized macadam mixing and conveying system of the utility model, rotation is equipped in material-passing rod lower part Turn finned material toggling head, when material-passing rod rises, its rotary sleeve is rotatable under gravity and material drag effect, strengthens to going out The agitation of material mouth material makes its more easily blanking, avoids blocking；During material-passing rod decline, outside material toggling head Fin is back taper, so as to facilitate penetration of material, positioned at material bed bottom, consequently facilitating to mixing in reciprocal lifting process Material is effectively stirred.

3rd, the utility model is simple in structure, and design is scientific and reasonable, can be mixed with graded broken stone ensureing rubber powder material On the premise of even, material is avoided to be blocked in bin bottom, blanking effect is improved, so as to ensure the efficient, steady of blanking system Fixed operation.

Description of the drawings

Fig. 1 is the structure diagram of the utility model；

Fig. 2 is the sectional view of the feed bin of the utility model.

Reference sign

1- cement pipes, 2- agitator tanks, 3- ribbon conveyers, 4- feed bins, 5- stents, 6- hydraulic cylinders, 7- upper support frames, 8- cylinder rods, 9- material-passing rods leading truck, 10- materials, 11- material-passing rods, 12- rotary sleeves, 13- fins, 14- flase floors.

Specific embodiment

Below by specific embodiment, the utility model is described in further detail, following embodiment be it is descriptive, no It is limited, it is impossible to which the scope of protection of the utility model is limited with this.

A kind of crack resistance type rubber powder cement stabilized macadam mixing and conveying system, including agitator tank 2, ribbon conveyer 3 and feed bin 4, the arrival end top of ribbon conveyer sets feed bin, and the port of export of ribbon conveyer is connected to agitator tank, on agitator tank entrance Portion is additionally provided with cement pipe 1.Feed bin is fixedly mounted by stent 5.Flase floor 14 is fixedly mounted inside the discharge port of feed bin. Flase floor can effectively reduce the impact caused by ribbon conveyer belt in graded broken stone blanking.

The innovation of the utility model is：The automatically logical material machine being positioned in the inside of feed bin above flase floor Structure, the automatic Tong Liao mechanisms include upper support frame 7, hydraulic cylinder 6, material-passing rod 11 and material toggling head, are fixedly mounted on feed bin top Supporting rack, the installation vertical hydraulic cylinder on the upper support frame, the 8 coaxially connected material-passing rod of cylinder rod of the hydraulic cylinder, the material-passing rod Material toggling head is installed in bottom, which closes on flase floor top.There is the entrance of material between upper support frame and feed bin, do not influence ore deposit The feeding of material.Material-passing rod leading truck 9 in feed bin can be also installed, improve the stationarity of material-passing rod lifting.

Material toggling head is rotating fins formula material toggling head, which includes rotary sleeve 12 and the fin of outside 13, rotary sleeve inner wall is formed with is fixed with several fins with the matched screw thread of material-passing rod, rotary sleeve outer wall interval.The width of fin Wide at the top and narrow at the bottom, several fins are in integrally back taper.It is when material-passing rod rises, its rotary sleeve under gravity and material drag effect Rotatably, strengthen the agitation to discharge port material 10, make its more easily blanking, avoid blocking；During material-passing rod decline, Since the fin outside material toggling head is back taper, so as to facilitate penetration of material, positioned at material bed bottom, consequently facilitating reciprocal Mixture is effectively stirred in lifting process.

Although the embodiment and attached drawing of disclosed the utility model for the purpose of illustration, those skilled in the art can be with Understand, do not departing from the utility model and spirit and scope of the appended claims, it is various replace, change and modification are all can Can, therefore the scope of the utility model is not limited to embodiment and attached drawing disclosure of that.

Claims (3)

1. a kind of crack resistance type rubber powder cement stabilized macadam mixing and conveying system, including agitator tank, ribbon conveyer and feed bin, belt The arrival end top of conveyer sets the feed bin, and the port of export of ribbon conveyer is connected to agitator tank, the discharging of the feed bin Mouth is internal to be fixedly mounted flase floor, it is characterised in that：The automatic logical material being positioned in the inside of feed bin above the flase floor Mechanism, the automatic Tong Liao mechanisms include upper support frame, hydraulic cylinder, material-passing rod and material toggling head, are fixedly mounted and prop up on feed bin top Support installs vertical hydraulic cylinder, the coaxially connected material-passing rod of cylinder rod of the hydraulic cylinder, the bottom of the material-passing rod on the upper support frame Material toggling head is installed, which closes on the flase floor top.

2. crack resistance type rubber powder cement stabilized macadam mixing and conveying system according to claim 1, it is characterised in that：Described dials Material head is rotating fins formula material toggling head, which includes rotary sleeve and the fin of outside, in the rotary sleeve Wall is formed with is fixed with several fins with the matched screw thread of the material-passing rod, rotary sleeve outer wall interval.

3. crack resistance type rubber powder cement stabilized macadam mixing and conveying system according to claim 2, it is characterised in that：The fin Width it is wide at the top and narrow at the bottom, several fins integrally be in back taper.