CN208009904U - Sieve and hopper - Google Patents

Abstract

The utility model proposes a kind of sieve and hoppers, wherein sieve includes：Screen frame and multiple first Turbogrid plates being arranged in screen frame and multiple second Turbogrid plates, sieve pore is formed between the first Turbogrid plates and the second Turbogrid plates；Wherein, at least part upper surface of the second Turbogrid plates is differed to the distance of the upper surface of screen frame at a distance from least part upper surface to the upper surface of screen frame of the first Turbogrid plates.Pass through the technical solution of the utility model, improve the structure of sieve, improve the irregularity degree of sieve upper surface, it is easy to slide to hopper by sieve pore to make aggregate be difficult to keep balance in the upper surface of sieve, pumping construction efficiency is improved, the horizontal side plate for also reducing sieve front end and the buildup phenomenon at hopper front panel.

Description

Sieve and hopper

Technical field

The utility model is related to technical field of engineering machinery, in particular to a kind of sieve and a kind of hopper.

Background technology

Concrete Industry is more and more extensive for the pumping and spraying of low viscosity fine aggregate at present, such as mortar pumping spraying The constructions such as construction, the injection of tunnel mortar.The conventional concrete of the aggregate comparison of this kind of construction, general aggregate size is smaller, mortar Viscosity is larger, and auto-flowability is poor.It for such material, is transported to building site by trucd mixer, as shown in Figure 1, falling into hopper 10 After the sieve 12 of top, general is difficult to have seriously affected the efficiency of pumping construction in gravity flow material bin 10.As shown in Fig. 2, to carry The ability of high aggregate blanking can generally increase vibrator 14 on the sieve 12 of conventional structure, but for high viscosity fine aggregate Mortar, aggregate falls into hopper 10, and the effect is unsatisfactory；In addition, as shown in Figure 3 and Figure 4, the front panel 102 of hopper 10, It is tapered with certain angle with the horizontal side plate 122 of sieve 12, easily there is buildup, not only affect the effect of vibration, and is right Cleaning after construction brings certain trouble.

Utility model content

The utility model aims to solve at least one of technical problems existing in the prior art or related technologies.

In view of this, one of the utility model is designed to provide a kind of sieve.

Another of the utility model is designed to provide a kind of hopper.

To achieve the goals above, the technical solution of the utility model first aspect provides a kind of for wet-spraying machine hopper Sieve, including：Screen frame and multiple first Turbogrid plates being arranged in screen frame and multiple second Turbogrid plates, multiple first Turbogrid plates Sieve pore is formed between multiple second Turbogrid plates；Wherein, at least part upper surface of the second Turbogrid plates to the upper surface of screen frame Distance, differed at a distance from least part upper surface to the upper surface of screen frame of the first Turbogrid plates.

In the above-mentioned technical solutions, multiple first Turbogrid plates and multiple second Turbogrid plates are equipped in screen frame, by the One Turbogrid plates and the second Turbogrid plates use different arrangement modes, the different sieve pore of various shapes, size can be formed, to adapt to Different screening requirements.By the distance of at least part upper surface of the second Turbogrid plates to the upper surface of screen frame, it is set as and the The distance of at least part upper surface to the upper surface of screen frame of one Turbogrid plates differs, in at least part for making the second Turbogrid plates Surface forms difference in height at least part upper surface of the first Turbogrid plates, is formed at least in the upper surface of sieve in other words Bilayer high cross formula structure at one, to make the upper surface of sieve that the first Turbogrid plates are collectively formed with the second Turbogrid plates be The surface of one out-of-flatness falls in sieve upper surface and is not fallen into from sieve pore the aggregate of hopper, still can be in highly viscous work It is sticked under in sieve upper surface, but due to the out-of-flatness of upper surface, makes aggregate under the effect of gravity, cannot keep balance, and It is gradually to be slid to lower, is finally fallen into hopper from sieve pore, to improve the auto-flowability of aggregate, and then improves pumping The efficiency of construction.

Refer to flat where screen frame framework upper end it is important to note that the upper surface of the screen frame in the technical program Face；The upper surface of sieve refers to the meshy surface formed by multiple first Turbogrid plates and multiple second Turbogrid plates, the upper table of sieve The shape in face mainly by the upper surface of the first Turbogrid plates and the upper surface of the second Turbogrid plates shape and the first Turbogrid plates it is upper High and low position relationship determines between surface and the upper surface of the second Turbogrid plates；Therefore, the upper surface of sieve can be and screen frame The plane that upper surface overlaps, can also be the surface of the plane or curved surface or other shapes misaligned with the upper surface of screen frame.

In the above-mentioned technical solutions, optionally, the first Turbogrid plates are mutually parallel with the second Turbogrid plates.

In the technical scheme, by being set as being mutually parallel by the first Turbogrid plates and the second Turbogrid plates, then at least one piece First Turbogrid plates are adjacent with one piece of second Turbogrid plates, to form at least one double-deck high cross formula structure, i.e., in sieve Upper surface forms out-of-flatness surface, is conducive to the auto-flowability for improving aggregate, meanwhile, the first Turbogrid plates and the second Turbogrid plates are flat Row is conducive to the sieve pore for making formation rule between the first Turbogrid plates and the second Turbogrid plates, and then improves the accuracy rate of aggregate screening.

In the above-mentioned technical solutions, further, the first Turbogrid plates are arranged alternately with the second Turbogrid plates.

In the technical scheme, the first Turbogrid plates and the second Turbogrid plates are arranged alternately, in the upper table of sieve Face forms multiple continuous high cross formula structures, improves the irregularities of sieve upper surface, reduces aggregate on sieve Surface keeps the possibility of balance, and then improves the auto-flowability of aggregate, so as to improve the efficiency of pumping construction.

In the above-mentioned technical solutions, further, sieve further includes：Multiple reinforcing ribs, arranged in parallel, reinforcing rib passes through The first Turbogrid plates, the second Turbogrid plates are worn, and are connected with the first Turbogrid plates, the second Turbogrid plates.

In the technical scheme, by the way that multiple reinforcing ribs being mutually parallel are arranged in sieve, and reinforcing rib runs through first Turbogrid plates, the second Turbogrid plates, and be connected with the first Turbogrid plates, the second Turbogrid plates, make reinforcing rib and the first Turbogrid plates, the second grid Plate can surround to form sieve pore, improve sieve to the screening capacity of aggregate, reduce large-particle-size aggregate into material bin possibility, together When, reinforcing rib is connected with the first Turbogrid plates, the second Turbogrid plates, can also improve the integral strength of sieve, and then improve sieve knot The reliability of structure reduces because the impact of aggregate, mortar leads to the possibility that sieve fails, extends the service life of sieve.

In the above-mentioned technical solutions, optionally, the first Turbogrid plates intersect with the second Turbogrid plates.

In the technical scheme, by being set as intersecting by the first Turbogrid plates and the second Turbogrid plates, in the number of the two When amount is multiple, first grid panel can be made to surround to form sieve pore with the second Turbogrid plates, to improve screening energy of the sieve to aggregate Power, possibility of the reduction large-particle-size aggregate into material bin；Meanwhile first Turbogrid plates intersect with the second Turbogrid plates, can be mutual As reinforcing rib, the integral strength of sieve is improved, reduces because the impact of aggregate, mortar leads to the possibility that sieve fails, extends The service life of sieve；Meanwhile first Turbogrid plates intersect with the second Turbogrid plates, the height in sieve upper surface can also be increased The quantity for spending alternating expression structure, further increases the irregularity degree of sieve upper surface, improves the auto-flowability of aggregate；It also reduces The use of reinforcing rib, saves material cost.

In any of the above-described technical solution, optionally, the upper surface of the first Turbogrid plates and/or the second Turbogrid plates is single flat Face or the upper surface of the first Turbogrid plates and/or the second Turbogrid plates are single curved surface or the first Turbogrid plates and/or the second Turbogrid plates Upper surface be multiple planes or the upper surface of the first Turbogrid plates and/or the second Turbogrid plates be multiple curved surfaces or the first Turbogrid plates And/or second Turbogrid plates upper surface be plane and curved surface combination.

In the technical scheme, the upper surface of the first Turbogrid plates and/or the second Turbogrid plates is single plane, makes the first grid The processing of plate and/or the second Turbogrid plates is simply at low cost, is suitable for mass production, it is important to note that the single plane can , can also be not parallel with screen frame upper surface with parallel with the upper surface of screen frame, if when not parallel, can further strengthen sieve The out-of-flatness effect of upper surface；When the upper surface of the first Turbogrid plates and/or the second Turbogrid plates is single curved surface, the first Turbogrid plates And/or second Turbogrid plates processing it is simple and the out-of-flatness effect of sieve upper surface can be strengthened；First Turbogrid plates and/or second When the upper surface of Turbogrid plates is the combination of multiple planes or multiple curved surfaces or plane and curved surface, further the it can strengthen The out-of-flatness effect of sieve upper surface, improves the auto-flowability of aggregate.

In any of the above-described technical solution, further, sieve is equipped with vibrator.

In the technical scheme, sieve can be driven when vibrator is vibrated by being equipped with vibrator on sieve Vibration to destroy the balance for the aggregate for being trapped in sieve upper surface, and due to the irregularities of sieve upper surface, makes aggregate exist Sieve upper surface rolls, slides, and falls into hopper eventually by sieve pore, improves pumping construction efficiency.

In the above-mentioned technical solutions, further, further include：Shaft is arranged on the upper surface of the front of sieve, shaft It is connected with the fixed seat of wet-spraying machine hopper for sieve.

In the technical scheme, by the way that shaft is arranged on the upper surface of sieve front, sieve is made to be driven by vibrator And when possibility up-down vibration, since front is limited by shaft, prevent sieve from carrying out up-down vibration, but carries out around the shaft Certain amplitude rotates upwardly and downwardly, and makes sieve in rotation as a result, and the upper surface of sieve turns to non-horizontal directions by horizontal direction, So as to further destroy the balance of the aggregate on sieve, so that aggregate is slid to lower, and then fallen into hopper from sieve pore, carry High pumping construction efficiency.

After aggregate is fallen on sieve, a part of aggregate size is less than the size of sieve pore, then can fall into hopper from sieve pore； Another part aggregate size is more than the size of sieve pore, then is trapped on sieve, with the vibration of sieve, slides, is detained to lower Large-sized aggregate on sieve may slide at shaft, be stopped by shaft, reduce aggregate and produced in sieve front end The possibility of raw buildup.

The technical solution of the utility model second aspect provides a kind of hopper of wet-spraying machine, including any of the above-described technical side The sieve of case.

In the technical scheme, the hopper of wet-spraying machine is provided with by using the sieve of any of the above-described technical solution Whole advantageous effects of any one technical solution are stated, details are not described herein.

In the above-mentioned technical solutions, including：Front panel is connected with the ontology of hopper；The screen frame front end of sieve is equipped with horizontal side Plate, horizontal side plate are arranged in parallel with front panel.

In the technical scheme, it is equipped with front panel on the ontology of hopper, horizontal side plate is equipped in the front end of the screen frame of sieve, And horizontal side plate is arranged in parallel with front panel, compared with the existing technology in horizontal side plate cause aggregate to accumulate with the tapered structure of front panel The case where, it can better ensure that the aggregate for crossing shaft can successfully fall into hopper, reduce taper knot in the prior art Structure leads to the buildup phenomenon of aggregate；Meanwhile horizontal side plate is parallel with front panel, also provides convenience for the cleaning of sieve.

The additional aspect and advantage of the utility model will become apparent in following description section, or new by this practicality The practice of type is recognized.

Description of the drawings

Fig. 1 shows the stereoscopic schematic diagram of the detonation configuration of wet-spraying machine hopper in the prior art；

Fig. 2 shows the stereoscopic schematic diagrams of the detonation configuration for the wet-spraying machine hopper for carrying vibrator in the prior art；

Fig. 3 shows the stereoscopic schematic diagram of the wet-spraying machine hopper without sieve in the prior art；

Fig. 4 shows the schematic side view of wet-spraying machine hopper in the prior art；

Fig. 5 shows the stereoscopic schematic diagram of the sieve of embodiment 1 according to the present utility model；

Fig. 6 shows the schematic front view of Fig. 5；

Fig. 7 shows the schematic top plan view of Fig. 5；

Fig. 8 shows the configuration schematic diagram of the wet-spraying machine hopper of embodiment 6 according to the present utility model；

Fig. 9 shows the schematic side view of 6 wet-spraying machine hopper of embodiment according to the present utility model；

Wherein, the correspondence in Fig. 1 to Fig. 4 between reference numeral and component names is：

10 hoppers, 102 front panels, 12 sieves, 122 horizontal side plates, 14 vibrators.

Wherein, the correspondence in Fig. 5 to Fig. 9 between reference numeral and component names is：

20 hoppers, 202 front panels, 22 sieves, 220 screen frames, 222 first Turbogrid plates, 224 second Turbogrid plates, 226 reinforce Muscle, 228 shafts, 229 horizontal side plates, 24 vibrators.

Specific implementation mode

In order to be more clearly understood that the above objects, features, and advantages of the utility model, below in conjunction with the accompanying drawings and have The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen The feature in embodiment and embodiment please can be combined with each other.

Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality Novel to be implemented different from other modes described here using other, therefore, the scope of protection of the utility model is simultaneously It is not limited by following public specific embodiment.

Some embodiments according to the present utility model are described referring to Fig. 5 to Fig. 9.

Embodiment 1

As Fig. 5 to Fig. 9 institute shown in, according to the utility model proposes one embodiment sieve 22, be used for wet-spraying machine material Bucket 20, including：Screen frame 220, and multiple first Turbogrid plates 222 being arranged in sieve pore 220 and multiple second Turbogrid plates 224, In, multiple first Turbogrid plates 222 are mutually parallel with multiple second Turbogrid plates 224, and spacing is equally arranged alternately, and sieve 22 is also Including multiple reinforcing ribs 226, arranged in parallel and spacing is equal, each reinforcing rib 226 be continuous through the first Turbogrid plates 222, Second Turbogrid plates 224, and be fixedly connected with the first Turbogrid plates 222, the second Turbogrid plates 224.

As shown in figs. 5 and 6, further, the first Turbogrid plates 222 is flat with the upper surfaces of the second Turbogrid plates 224 Row is in the plane of 22 upper surface of sieve, and the upper surface of the first Turbogrid plates 222 is more than second gate to the distance of 22 upper surface of sieve The upper surface of panel 224 is to the distance of 22 upper surface of sieve, and in other words, the height of the first Turbogrid plates 222 is less than the second Turbogrid plates 224 height.

As shown in Figures 6 and 7, it is equally arranged in parallel by the first Turbogrid plates 222 and 224 spacing of the second Turbogrid plates, and Setting is continuous through the first Turbogrid plates 222, the second Turbogrid plates 224, and fixes and connect with the first Turbogrid plates 222, the second Turbogrid plates 224 The multiple reinforcing ribs 226 connect, and the spacing between the reinforcing rib 226 of arbitrary neighborhood is also equal, makes the first Turbogrid plates 222, second Turbogrid plates 224 and reinforcing rib 226 surround to form multiple equal sized sieve pores, are less than the maximum sized bone of sieve pore convenient for screening Material improves the accuracy rate of aggregate screening.

In the present embodiment, the full-size of sieve pore is the diagonal line of polygon.In other embodiments, the maximum of sieve pore Size is also likely to be the length of side of polygon.

Further, the height of the first Turbogrid plates 222 is less than the height of the second Turbogrid plates 224, that is, first be arranged alternately Turbogrid plates 222 and the second Turbogrid plates 224 have difference in height, multiple double-deck high to form multiple double-deck high cross formula structures Degree alternating expression structure makes the upper surface of the sieve 22 formed by multiple first Turbogrid plates 222 and multiple second Turbogrid plates 224 become Out-of-flatness surface makes aggregate be difficult to keep balance on the out-of-flatness surface of sieve 22, and then under the effect of gravity, to lower by It gradually slides, is finally fallen into hopper 20 from sieve pore, to improve the auto-flowability of aggregate, and then improve the effect of pumping construction Rate.

It is important to note that the difference in height between the first Turbogrid plates 222 and the second Turbogrid plates 224, it can be by setting Set the size of the first Turbogrid plates 222 itself in the up-down direction and the size of the second Turbogrid plates 224 itself in the up-down direction not It realizes together, it is possible thereby to save the space of sieve 22 in the up-down direction；It can also be by by the first Turbogrid plates 222 and second Turbogrid plates 224 are set as the identical Turbogrid plates of specification, but arranged in dislocation up and down are carried out when being installed on sieve 22 and reality The difference in height of both existing upper surface improves speed of production it is possible thereby to simplify the production of material, saves production cost.

As shown in Fig. 5, Fig. 6, Fig. 7, Fig. 8, further, vibrator 24, vibrator 24 and second are additionally provided on sieve 22 Turbogrid plates 224 are fixedly connected, to drive sieve 22 to vibrate.

By being equipped with vibrator 24 on sieve 22, and make vibrator 24 and the second Turbogrid plates 224

It is fixedly connected, when vibrator 24 is vibrated, sieve 22 can be driven to vibrate, sieve 22 is trapped in destroy The balance of the aggregate of upper surface, and due to the irregularities of 22 upper surface of sieve, make aggregate in the rolling of 22 upper surface of sieve, slide It falls, falls into hopper 20 eventually by sieve pore, improve pumping construction efficiency.

As shown in Fig. 5 and Fig. 7, further, the upper surface of the front of sieve 22 is additionally provided with shaft 228, shaft 228 with The front of sieve 22 is fixedly connected, and the both ends of shaft 228 are also connected with the fixed seat of wet-spraying machine hopper 20, make sieve 22 and hopper 20 form rotation connection, and sieve 22 228 can be rotated around the shaft；Wherein, the diameter of shaft 228 is the maximum ruler of sieve pore Very little 1.5 times.

By the way that shaft 228 is arranged in 22 front of sieve, and 228 both ends of shaft are connected with the fixed seat of wet-spraying machine hopper 20, Make sieve 22 driven by vibrator 24 and when up-down vibration, since front end is limited by shaft 228, prevent sieve 22 from into Row up-down vibration, but 228 rotating upwardly and downwardly for certain amplitudes is carried out around the shaft, make sieve 22 in rotation as a result, sieve 22 Upper surface turns to non-horizontal directions by horizontal direction, so as to further destroy the balance of the aggregate on sieve 22, makes aggregate It slides to lower, and then is fallen into hopper 20 from sieve pore, improve pumping construction efficiency.

After aggregate is fallen on sieve 22, a part of aggregate size is less than the size of sieve pore, then material can be fallen into from sieve pore Bucket 20；Another part aggregate size is more than the size of sieve pore, then is trapped on sieve 22, with the vibration of sieve 22, to lower It sliding, the large-sized aggregate being trapped on sieve 22 may slide at the shaft 228 of 22 upper surface of sieve, if There is no the blocking of shaft 228, then the front panel 202 that large-sized aggregate may flow into sieve 22 times close to hopper 20 generates Buildup, for this purpose, the setting of shaft 228, the effect for also acting blocking aggregate further sets the diameter of shaft 228 to Maximum sized 1.5 times of sieve pore, shaft 228 can be made to block major part cannot fall into hopper because grain size is more than screen size 20 aggregate, wherein it is straight to be less than shaft 228 for especially aggregate of the grain size within maximum sized 1.5 times of sieve pore, i.e. its grain size Diameter can completely be stopped by shaft 228, the possibility of buildup generated in 22 front end of sieve to reduce.

It should also be noted that, the first Turbogrid plates 222 can be arranged alternately with the second Turbogrid plates 224, can also part into Row is arranged alternately, and another part is not arranged alternately, as long as making the upper surface out-of-flatness of sieve 22.

Further, can also the upper surface of the first Turbogrid plates 222, the second Turbogrid plates 224 be subjected to chamfered, reduced The area of the upper surface of the two, or even the upper surface of the first Turbogrid plates 222 and the second Turbogrid plates 224 is become into blade by polishing Shape is greatly decreased the supporting surface of upper surface and improves the possibility that aggregate falls.

The upper surface of first Turbogrid plates 222 may be arranged as step surface, multiple high to be formed with the second Turbogrid plates 224 The different double-deck high cross formula structure of degree difference, strengthens the irregularity degree of 22 upper surface of sieve, improves blanking effect.

Embodiment 2

The sieve 22 of another embodiment according to the present utility model, it is different with embodiment 1.

In the present embodiment, 224 cross arrangement of the first Turbogrid plates 222 and the second Turbogrid plates, to mutually play reinforcement The effect of muscle 226 improves the integral strength of sieve 22, reduces because the impact of aggregate, mortar leads to the possibility that sieve 22 fails, prolongs The service life of sieve 22 has been grown, the reinforcing rib 226 in embodiment 1 can also be cancelled, has saved material cost, has simplified erector Skill.

On the other hand, 224 cross arrangement of the first Turbogrid plates 222 and the second Turbogrid plates, can also form in a plurality of directions More bilayer high cross formula structures, strengthen the irregularities of 22 upper surface of sieve, and then improve and fall on hopper 20 under aggregate In possibility, improve the efficiency of pumping construction.

It is important to note that the first Turbogrid plates 222 can also use parallel arrangement with the second Turbogrid plates 224, intersect The mode that arrangement is combined is equipped with the first Turbogrid plates 222 and the second Turbogrid plates 224 of alternating parallel arrangement in the longitudinal direction, horizontal To the first Turbogrid plates 222 and the second Turbogrid plates 224 for also being provided with alternating parallel arrangement, thus, it is possible to further strengthen double-deck high The out-of-flatness effect of alternating expression structure is spent, the possibility of the blanking of sieve 22 is promoted.

Embodiment 3

The sieve 22 of another embodiment according to the present utility model, on the basis of embodiment 1, the first Turbogrid plates 222 Upper surface use along the inclined-plane of its fore-and-aft tilt, i.e., the upper surface of the first Turbogrid plates 222 is tilted from one end to the other end, The upper surface of second Turbogrid plates 224 is same as Example 1, as a result, the upper surface of sieve 22 the longitudinal direction of the first Turbogrid plates 222, All there is difference in height in lateral both direction, and along the longitudinal direction of the first Turbogrid plates 222, difference in height everywhere also not phase Together, thus further enhance the irregularity degree of 22 upper surface of sieve, further improve fallen under aggregate in hopper 20 can Energy property, improves the efficiency of pumping construction.

It should be pointed out that the inclined-plane of the first Turbogrid plates 222, it can be as above, it tilts from one end to the other end, can also be in " V " font can also be in inverted " v " shape or even zigzag from both ends to intermediate, inclined, and the second Turbogrid plates 224 can also do class Different angles of inclination is used like setting, and from the first Turbogrid plates 222.

Embodiment 4

The sieve 22 of another embodiment according to the present utility model, the first Turbogrid plates 222 and the second Turbogrid plates 224 use The cross arrangement mode of embodiment 2, but the upper surface of the first Turbogrid plates 222 is curved surface, and the upper surface of the second Turbogrid plates 224 is also Curved surface, but the curvature of two curved surfaces is different, or the direction of bending is different, it is multiple and different to be formed in the upper surface of sieve 22 The double-deck high cross formula structure of difference in height, enhances the irregularity degree of 22 upper surface of sieve, improves and falls on hopper under aggregate Possibility in 20.

The upper surface of first Turbogrid plates 222 use curved surface when, can be single curvature curved surface or single curvature it is more A curved surface, such as corrugated upper surface；The either different multiple curved surfaces of curvature, such as the curvature of each wave are different Waveform upper surface.

Embodiment 5

The sieve 22 of another embodiment according to the present utility model, it is slightly different with embodiment 4, the first of the present embodiment For one upper surface in Turbogrid plates 222 and the second Turbogrid plates 224 using the curved surface in embodiment 4, another then uses inclined-plane, The double-deck high cross formula structure that multiple and different differences in height can equally be formed, to improve the out-of-flatness of 22 upper surface of sieve Degree, improves the possibility fallen under aggregate in hopper 20.

Embodiment 6

As shown in figure 8, the hopper 20 of the wet-spraying machine of another embodiment according to the present utility model, using any of the above-described reality Apply the sieve 22 of example.

The hopper 20 of wet-spraying machine is provided with the complete of any of the above-described embodiment by using the sieve 22 of any of the above-described embodiment Portion's advantageous effect, details are not described herein.

As shown in Fig. 8 and Fig. 9, the hopper 20 of the present embodiment further includes：Front panel 202 is connected with the ontology of hopper 20；Sieve 220 front end of screen frame of net 22 is equipped with horizontal side plate 229, and horizontal side plate 229 is arranged in parallel with front panel 202, and horizontal side plate 229 and front wall There is prepsetting gap, prepsetting gap to be more than the diameter of 22 shaft 228 of sieve between plate 202.

It is equipped with front panel 202 on the ontology of hopper 20, horizontal side plate 229 is equipped in the front end of the screen frame 220 of sieve 22, and Horizontal side plate 229 is arranged in parallel with front panel 202, and has prepsetting gap between horizontal side plate 229 and front panel 202, relative to The case where horizontal side plate 229 and 202 tapered structure of front panel cause aggregate to accumulate in the prior art, horizontal side plate disposed in parallel with Prepsetting gap between front panel 202 can better ensure that the aggregate for crossing shaft 228 can successfully fall into hopper 20, subtract Few pyramidal structure in the prior art leads to the buildup phenomenon of aggregate；Meanwhile horizontal side plate 229 is parallel with front panel 202, is also sieve The cleaning of net 22 is provided convenience.

It should be noted that the aggregate of shaft 228 can be crossed, grain size is often greater than 228 diameter of shaft, therefore will Prepsetting gap is set greater than the diameter of 22 shaft 228 of sieve, can improve the aggregate for flowing to gap location by the gap can Can, further reduce the possibility of aggregate buildup here.

The technical solution of the utility model is described in detail above in association with attached drawing, by the technical solution of the utility model, The structure for improving sieve improves the irregularity degree of sieve upper surface, to make aggregate be difficult to keep in the upper surface of sieve It balances and is easy to slide to hopper by sieve pore, improve pumping construction efficiency, also reduce the horizontal side plate and material of sieve front end Buildup phenomenon at the front panel that struggles against.

In the present invention, term " first ", " second ", " third " are only used for the purpose of description, and should not be understood as Instruction implies relative importance；Term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " peace The terms such as dress ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection, it can also It is to be detachably connected, or be integrally connected；" connected " can be directly connected, can also be indirectly connected through an intermediary.It is right For those skilled in the art, it can understand that above-mentioned term in the present invention specific contains as the case may be Justice.

In the description of the utility model, it is to be understood that the fingers such as term "upper", "lower", "left", "right", "front", "rear" The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and Simplify description, specific direction must be had, with specific azimuth configuration by not indicating or implying the indicated device or unit And operation, it is thus impossible to be construed as a limitation of the present invention.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiments or example In can be combined in any suitable manner.

The preferred embodiment that these are only the utility model, is not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of sieve is used for the hopper of wet-spraying machine, which is characterized in that including：

Screen frame and multiple first Turbogrid plates being arranged in the screen frame and multiple second Turbogrid plates, multiple first Turbogrid plates Sieve pore is formed between multiple second Turbogrid plates；

Wherein, the distance of upper surface of at least part upper surface of second Turbogrid plates to the screen frame, with described first The distance of at least part upper surface to the upper surface of the screen frame of Turbogrid plates differs.

2. sieve according to claim 1, which is characterized in that first Turbogrid plates are mutually flat with second Turbogrid plates Row.

3. sieve according to claim 2, which is characterized in that first Turbogrid plates replace row with second Turbogrid plates Cloth.

4. sieve according to claim 3, which is characterized in that the sieve further includes：

Multiple reinforcing ribs, it is arranged in parallel, the reinforcing rib through first Turbogrid plates, second Turbogrid plates, and with First Turbogrid plates, second Turbogrid plates are connected.

5. sieve according to claim 1, which is characterized in that first Turbogrid plates are mutually handed over second Turbogrid plates Fork.

6. sieve according to any one of claim 1 to 5, which is characterized in that first Turbogrid plates and/or second gate The upper surface of panel is single plane, or

The upper surface of first Turbogrid plates and/or the second Turbogrid plates is single curved surface, or

The upper surface of first Turbogrid plates and/or the second Turbogrid plates is multiple planes, or

The upper surface of first Turbogrid plates and/or the second Turbogrid plates is multiple curved surfaces, or

The upper surface of first Turbogrid plates and/or the second Turbogrid plates is the combination of plane and curved surface.

7. sieve according to any one of claim 1 to 5, which is characterized in that the sieve is equipped with vibrator.

8. sieve according to claim 7, which is characterized in that further include：

Shaft is arranged on the upper surface of the front of the sieve；The shaft is for the sieve and the wet-spraying machine hopper Fixed seat be connected.

9. a kind of hopper is used for wet-spraying machine, which is characterized in that including sieve described in any item of the claim 1 to 8.

10. hopper according to claim 9, which is characterized in that including：

Front panel is connected with the ontology of the hopper；

The front end of the screen frame is equipped with horizontal side plate, and the horizontal side plate is arranged in parallel with the front panel.