CN213571880U - Mixing drum and sludge in-situ mixer - Google Patents

Abstract

The utility model provides a mixing drum, which comprises a driving part and a main blade, wherein the main blade is provided with a plurality of mixing tool rows and alloy tool bits; the main blade is used for stirring sludge or slurry, the stirring cutter row is used for crushing soil, and the alloy cutter head is used for milling hard objects; the driving part drives the main blade to rotate, so that the stirring cutter row and the alloy cutter head rotate. The stirring drum of the utility model is applied to a sludge in-situ stirrer, the driving part drives the main blade to rotate, so that the stirring tool row and the alloy tool bit rotate, the main blade can stir sludge or slurry through rotation, the stirring tool row can crush soil through rotation, and the alloy tool bit can mill hard objects and effectively reduce the abrasion of the stirring tool row; make the utility model discloses a mixing drum can make its intensive mixing with silt and grout stirring, can smash the rubble of hard texture in the soil horizon, stone bits, sandy soil again to make broken particle size even.

Description

Mixing drum and sludge in-situ mixer

Technical Field

The utility model relates to a technical field of silt treatment facility, more exactly relate to a stirring drum and silt normal position mixer.

Background

Along with the rapid development of the coastal cities in southeast, the engineering construction is increased rapidly, and most of the coastal cities in southeast suffer from the serious problems of loose and soft soil, deep sludge layer, rare backfill and the like. Because of the limitation of environmental protection, traditional modes of mountain digging, backfilling and the like, the increase of the manufacturing cost and the increasing difficulty in obtaining excellent filler resources, the fill sources of land building engineering, ocean beach reclamation, artificial island engineering and the like mainly adopt ultra-soft soil such as backfill soil, dredging sludge and the like, waste sludge and the like. However, these new fill soils or original beach soils are generally mainly silt or ultra-soft soils, and have extremely low strength, so that construction personnel cannot enter the soil, cannot directly meet the bearing requirements of land use, and cannot develop and construct projects such as roads, dams, buildings and the like, and the projects firstly face the problem of large-area soft foundation treatment. In the general soft foundation treatment, a sludge in-situ stirrer is used for stirring sludge, cement slurry is poured into the stirred sludge, and a stirring drum on the sludge in-situ stirrer is used for uniformly stirring the sludge and the cement slurry to fully mix the sludge and the cement slurry, so that the purpose of in-situ hardening after the sludge and the cement slurry are mixed and stirred is achieved.

Although most of the components in the sludge layer are ultra-soft soil such as unconsolidated soil, expansive soil, collapsible loess, liquefiable soil and the like, the field construction environment is often complicated, for example, as the excavation depth increases, the soil layer is likely to contain hard crushed stones, stone chips, sand and the like, and the stirring drum is required to break the hard crushed stones, stone chips, sand and the like to uniformly stir the sludge and the cement paste. The stirring drum in the prior art is generally provided with a plurality of stirring blades on the surface, can fully stir silt and slurry, but cannot break hard-texture broken stone, stone chips and sandy soil.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a stirring drum, can make its intensive mixing with silt and grout stirring, can smash rubble, stone bits, the sandy soil of hard texture in the soil horizon again to make broken granularity even.

The technical solution of the utility model is to provide a mixing drum, which comprises a driving part and a main blade, wherein the main blade is provided with a plurality of mixing tool rows and alloy tool bits; the main blade is used for stirring sludge or slurry, the stirring cutter row is used for crushing soil, and the alloy cutter head is used for milling hard objects; the driving part drives the main blade to rotate, so that the stirring cutter row and the alloy cutter head rotate.

Compared with the prior art, the utility model discloses a mixing drum has following advantage: the driving part drives the main blade to rotate, so that the stirring tool row and the alloy tool bit rotate, the main blade can stir silt or slurry through rotation, the stirring tool row can break soil through rotation, and the alloy tool bit can mill hard objects and effectively reduce the abrasion of the stirring tool row; make the utility model discloses a mixing drum can make its intensive mixing with silt and grout stirring, can smash the rubble of hard texture in the soil horizon, stone bits, sandy soil again to make broken particle size even.

Preferably, the main blades are arranged in a spiral around the side wall of the mixing drum. By adopting the structure, the main blades can rotate to efficiently stir the sludge.

Preferably, the stirring blade row and the alloy cutter head are detachably mounted on the main blade. By adopting the structure, the stirring tool rows and the alloy tool bit are convenient to replace, the stirring tool rows of different types can be replaced in time according to the on-site working condition, and the in-situ stirring efficiency of the sludge is improved.

Preferably, the alloy cutter head and the stirring cutter row are arranged at intervals. By adopting the structure, the efficiency of the alloy cutter head for smashing hard gravels, stone chips and sandy soil in the soil layer is improved, the crushing granularity is uniform, and the abrasion of the common cutter row is effectively reduced.

Preferably, the end cover is further included, the driving part drives the end cover to rotate, a plurality of convex edges are radially arranged on the end face of the end cover, and the convex edges rotate along with the end cover. By adopting the structure, when the end cover rotates, the sludge or cement paste contacted with the end surface of the end cover floats and goes over the convex edges to be layered and staggered, so that the fluidity of the sludge is improved, and the sludge is stirred uniformly easily.

Preferably, the periphery of the end cover is provided with a plurality of small blades which rotate along with the end cover. By adopting the structure, when the end cover rotates, the small blades stir the sludge or cement paste contacting with the periphery of the end cover, so that the fluidity of the sludge is further improved, and the sludge and the cement paste are more easily and uniformly stirred.

Preferably, the drive means is a hydraulic motor, which is mounted inside the mixing drum. By adopting the structure, the hydraulic motor is adopted to provide power, no motor is needed, and water can be prevented in the using process.

The to-be-solved technical problem of the utility model is to provide a silt normal position mixer can make its intensive mixing with silt and grout stirring, again can quick broken soil, get rid of and mix with great hard thing, smash rubble, stone bits, the sand soil of hard texture in the soil horizon to make broken granularity even.

The technical solution of the utility model is that, a silt normal position mixer is provided, including the extension arm, the one end of extension arm is provided with two foretell stirring drums, still is provided with the whitewashing pipe on the extension arm, and the nozzle setting of whitewashing pipe is between two stirring drums.

Compared with the prior art, the utility model discloses a silt normal position mixer has following advantage: the extension arm can be flexibly selected according to the operation depth; the stirring drum can be used for uniformly stirring the sludge and the cement paste to fully mix the sludge and the cement paste, breaking the hard gravels, stone chips and sandy soil in the soil layer, ensuring the breaking granularity to be uniform and reducing the abrasion of the stirring cutter row; the nozzle of the guniting pipe is arranged between the two stirring drums, and the cement paste is sprayed out from the nozzle of the guniting pipe to the position between the two stirring drums, so that the sludge and the cement paste can be mixed in time.

Preferably, one end of the extension arm is provided with two flanges, the driving parts in the two mixing drums are hydraulic motors, the two hydraulic motors are correspondingly installed on the two flanges respectively, the two mixing drums are correspondingly installed outside the hydraulic motors respectively, and floating oil seals are arranged between the mixing drums and the flanges. Adopt this structure, can conveniently install hydraulic motor and agitator drum on the extension arm, the floating oil seal can prevent the utility model discloses an impurity such as silt or grout gets into the inside damage equipment of equipment during the operation of silt normal position mixer.

Preferably, the extension arm is provided with a set of motor oil inlet oil path and a set of motor oil return oil path for each of the two hydraulic motors, and the two hydraulic motors are connected in parallel; and hydraulic oil enters the corresponding hydraulic motor through the motor oil inlet oil way, and flows out of the hydraulic motor to the corresponding motor oil return oil way after the hydraulic motor works. By adopting the structure, the two hydraulic motors are connected in parallel, and hydraulic oil can flow into or flow out of the two hydraulic motors simultaneously, so that the two hydraulic motors effectively operate simultaneously, and the power imbalance at two sides is avoided.

Drawings

Fig. 1 is a schematic structural view of the mixing drum of the present invention.

Fig. 2 is a front view of a mixing drum of the present invention.

Fig. 3 is a rear view of the mixing drum of the present invention.

Fig. 4 is a cross-sectional view of the mixing drum of the present invention.

Fig. 5 is a schematic structural diagram of the sludge in-situ mixer of the present invention.

As shown in the figure: 1. 1-1 part of a stirring drum, 1-1 part of an end cover, 1-2 parts of a main blade, 1-3 parts of a small blade, 1-4 parts of a stirring cutter row, 1-5 parts of an alloy cutter head, 1-6 parts of a convex edge, 1-7 parts of an oil inlet, 1-8 parts of an oil outlet, 1-9 parts of a hydraulic motor, 1-10 parts of a floating oil seal, 2 parts of a flange, 3 parts of an extension arm, 4 parts of a guniting pipe, 5 parts of an oil inlet valve block, 6 parts of a connecting piece.

Detailed Description

For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness, size, and shape of an object have been slightly exaggerated for convenience of explanation. The figures are purely diagrammatic and not drawn to scale.

It will be further understood that the terms "comprises," "comprising," "includes," "including," and/or "including," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Further, when a statement such as "… at least one" appears after the list of listed features, the entire listed feature is modified rather than modifying individual elements in the list.

As shown in fig. 1 to 4, the mixing drum 1 of the present invention includes an end cap 1-1 and a side wall, a hydraulic motor 1-9 is installed in the mixing drum 1, and the hydraulic motor 1-9 can drive the end cap 1-1 and the side wall of the mixing drum 1 to rotate. The side wall of the stirring drum is welded with main blades 1-2, the main blades 1-2 spirally surround the side wall of the stirring drum 1, a plurality of bolt holes are formed in the main blades 1-2, a plurality of stirring cutter rows 1-4 and alloy cutter heads 1-5 are installed on the main blades 1-2 through bolts, and the alloy cutter heads 1-5 are installed between the two stirring cutter rows 1-4 at intervals in a mode of two groups; the main blades 1-2 spirally wound on the side wall of the agitating drum 1 can efficiently agitate the sludge; the stirring cutter rows 1 to 4 are cast by wear-resistant steel, and compared with a welding cutter row, the stirring cutter row has stronger strength and better wear resistance, and can efficiently realize in-situ stirring uniformity of sludge; the alloy cutter heads 1-5 can break up hard gravels, stone chips and sandy soil in the soil layer, and effectively reduce the abrasion of the common cutter row. In practical application, the stirring cutter rows of different types are replaced according to the field working conditions, and the stirring cutter rows are installed according to specific angles, so that the in-situ stirring efficiency of the sludge is improved. The periphery of the end cover 1-1 is welded with a plurality of small blades 1-3, the end face of the end cover 1-1 is provided with six radial convex edges 1-6, when the end cover 1-1 rotates, the small blades 1-3 stir the sludge or cement paste contacted with the periphery of the end cover 1-1, and the sludge or cement paste contacted with the end face of the end cover 1-1 floats and goes over the convex edges 1-6 to be layered and staggered, so that the fluidity of the sludge is improved, and the sludge is easy to stir uniformly.

As shown in fig. 3 and 4, the hydraulic motor 1-9 is fixedly connected with the inner side wall of the mixing drum 1, the end cover 1-1 of the mixing drum 1 is also fixedly connected with the inner side wall, the hydraulic motor 1-9 is provided with an oil inlet 1-7 and an oil outlet 1-8, hydraulic oil enters the hydraulic motor 1-9 through the oil inlet 1-7 and then flows out through the oil outlet 1-8, so that the hydraulic motor 1-9 drives the side wall of the mixing drum 1 and the end cover 1-1 to rotate together.

As shown in fig. 4 and 5, the sludge in-situ mixer of the present invention comprises an extension arm 3, wherein a connecting member 6 is provided at one end of the extension arm 3, and the connecting member 6 is used for connecting with an excavator or other equipment; two flanges 2 are installed to the other end of extension arm 3, and two hydraulic motor 1-9 correspond respectively and install on two flanges 2, and two mixing drum 1 correspond the outside of installing at two hydraulic motor 1-9 again, and the contained angle between two mixing drums is 130, and still is provided with floating oil seal 1-10 between mixing drum and the flange 2, and floating oil seal 1-10 are used for preventing the utility model discloses an impurity such as silt or grout gets into the inside damage equipment of equipment during operation of silt normal position mixer. Still be provided with shotcrete pipe 4 on extension arm 3, the nozzle setting of shotcrete pipe 4 is between two agitator drums, the utility model discloses a during the operation of silt normal position mixer, shotcrete pipe 4 spouts the agitator drum of grout to both sides, makes silt and grout in time mixed. A set of motor oil inlet oil path and a set of motor oil return oil path (not shown) are respectively arranged on the extension arm 3 for the two hydraulic motors 1-9, hydraulic oil enters the corresponding hydraulic motors 1-9 through the motor oil inlet oil paths, and the hydraulic oil flows out of the hydraulic motors 1-9 to the corresponding motor oil return oil paths after the hydraulic motors 1-9 apply work; the extension arm 3 is also provided with an oil inlet valve block 5 and an oil return valve block (not shown), wherein the oil inlet valve block 5 controls two sets of motor oil inlet oil paths simultaneously, and the oil return valve block controls two sets of motor oil return oil paths simultaneously.

When the sludge in-situ mixer works, the hydraulic motor 1-9 drives the side wall of the mixing drum 1 and the end cover 1-1 to rotate together, the main blade 1-2 wound on the side wall of the mixing drum 1 in a spiral shape, the mixing knife row 1-4 connected to the main blade 1-2 and the alloy knife head 1-5 rotate simultaneously, the alloy knife head 1-5 can quickly crush soil and mill hard objects at high speed, so that the purposes of forced screening and removing the mixed larger hard objects are achieved, the crushing granularity is uniform, the mixing knife row 1-4 can efficiently realize the uniform mixing of sludge in-situ and the sufficient mixing of sludge and cement paste; the small blades 1-3 and the convex edges 1-6 on the end cover 1-1 further improve the fluidity of the sludge, so that the sludge and the cement paste are more easily and uniformly stirred. The utility model discloses a silt normal position mixer throughput is high, has thoroughly solved the broken difficult problem of sandy soil in the north, the clay expansive soil and the high plasticity index in the Yangtze river delta area, high water content clay about southern water content 15%.

The above are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention; the scope of the appended claims should be accorded the broadest interpretation so as to encompass all such modifications and equivalent arrangements as is within the spirit and scope of the present invention.

Claims (10)

1. A mixing drum is characterized by comprising a driving part and main blades (1-2), wherein a plurality of mixing cutter rows (1-4) and alloy cutter heads (1-5) are arranged on the main blades (1-2); the main blade (1-2) is used for stirring sludge or slurry, the stirring tool row (1-4) is used for crushing soil, and the alloy tool bit (1-5) is used for milling hard objects; the driving part drives the main blade (1-2) to rotate, so that the stirring cutter row (1-4) and the alloy cutter head (1-5) rotate.

2. Mixing drum according to claim 1, characterised in that the main blades (1-2) are arranged in a spiral around the side wall of the mixing drum.

3. Mixing drum according to claim 1, characterised in that the mixing blade row (1-4) and the alloy blade head (1-5) are detachably mounted on the main blade (1-2).

4. Mixing drum according to claim 1, characterised in that the alloy blades (1-5) are arranged spaced apart from the mixing blade row (1-4).

5. The mixing drum as recited in claim 1, characterized in that the mixing drum further comprises an end cover (1-1), the driving part drives the end cover (1-1) to rotate, a plurality of ribs (1-6) are radially arranged on the end surface of the end cover (1-1), and the ribs (1-6) rotate along with the end cover (1-1).

6. Mixing drum according to claim 5, characterised in that the end cap (1-1) is provided with a number of small blades (1-3) at its periphery, which small blades (1-3) rotate with the end cap (1-1).

7. Mixing drum according to claim 1, characterised in that the drive means are hydraulic motors (1-9), the hydraulic motors (1-9) being mounted inside the mixing drum.

8. An in-situ sludge mixer, comprising an extension arm (3), wherein two mixing drums according to any one of claims 1 to 7 are arranged at one end of the extension arm (3), and wherein a guniting pipe (4) is arranged on the extension arm (3), and wherein a nozzle of the guniting pipe (4) is arranged between the two mixing drums.

9. An in-situ sludge mixer according to claim 8, wherein the extension arm (3) is provided at one end with two flanges (2), the driving members of the two mixing drums are hydraulic motors (1-9), the two hydraulic motors (1-9) are respectively and correspondingly mounted on the two flanges (2), the two mixing drums are respectively and correspondingly mounted on the outer parts of the hydraulic motors (1-9), and floating oil seals (1-10) are respectively arranged between the mixing drums and the flanges (2).

10. The sludge in-situ mixer according to claim 8, wherein the extension arm (3) is provided with a set of motor oil inlet passage and a set of motor oil return passage corresponding to the two hydraulic motors (1-9), and the two hydraulic motors (1-9) are connected in parallel; and hydraulic oil enters the corresponding hydraulic motor (1-9) through the motor oil inlet oil way, and after the hydraulic motor (1-9) does work, the hydraulic oil flows out of the corresponding motor oil return oil way from the hydraulic motor (1-9).

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