阅读说明：本技术 流动化土施工设备 (Fluidized soil construction equipment ) 是由 蒋自胜 薛信恺 徐浩 杜君 王双宝 商放泽 霍同乾 于 2019-09-30 设计创作，主要内容包括：本发明提供了一种流动化土施工设备,包括：行走机构；挖掘挤压装置,用于挖取待施工处的泥土并将其破碎,挖掘挤压装置设置于行走机构的一端；搅拌装置,用于搅拌破碎的泥土和辅料形成流动化土,搅拌装置设置于行走机构的另一端；螺旋输送装置,用于将挖掘挤压装置挖取并破碎的泥土输送至搅拌装置,螺旋输送装置设置于行走机构上,且螺旋输送装置位于挖掘挤压装置和搅拌装置之间；以及浇筑装置,用于将搅拌装置中搅拌完成的流动化土浇筑至待施工处,浇筑装置连接于搅拌装置。通过将行走机构与各装置进行整合,上述流动化土施工设备能够独立完成流动化土从制备到浇筑的完整的施工流程,且能进行连续回填作业,无需较多的人工干预,提高了施工效率。(The invention provides a fluidized soil construction device, which comprises: a traveling mechanism; the excavating and extruding device is used for excavating and crushing soil at a position to be constructed and is arranged at one end of the travelling mechanism; the stirring device is used for stirring the crushed soil and the auxiliary materials to form fluidized soil and is arranged at the other end of the travelling mechanism; the screw conveying device is used for conveying the soil dug and crushed by the digging and extruding device to the stirring device, the screw conveying device is arranged on the travelling mechanism, and the screw conveying device is positioned between the digging and extruding device and the stirring device; and the pouring device is used for pouring the fluidized soil stirred in the stirring device to the position to be constructed, and the pouring device is connected with the stirring device. Through integrating running gear and each device, above-mentioned mobile soil construction equipment can independently accomplish mobile soil from the preparation to the complete construction flow who pours, and can carry out the continuous backfill operation, need not more manual intervention, has improved the efficiency of construction.)

1. A fluidized soil construction apparatus, comprising:

a traveling mechanism;

the excavating and extruding device is used for excavating and extruding and crushing soil at a to-be-constructed position, and is arranged at one end of the travelling mechanism;

the stirring device is used for stirring the crushed soil and the auxiliary materials to form fluidized soil, and is arranged at the other end of the travelling mechanism;

the screw conveying device is used for conveying the soil dug and crushed by the digging and extruding device to the stirring device and crushing the soil again in the conveying process, the screw conveying device is arranged on the travelling mechanism, and the screw conveying device is positioned between the digging and extruding device and the stirring device;

and the pouring device is used for pouring the fluidized soil stirred in the stirring device to a position to be constructed, and the pouring device is connected with the stirring device.

2. The fluidized soil construction equipment according to claim 1, wherein the traveling mechanism comprises a frame, traveling wheel sets, traveling crawlers, a transmission unit and a power unit, the traveling wheel sets are arranged on two opposite sides of the frame, the traveling crawlers are sleeved on the traveling wheel sets, and the transmission unit is arranged on the frame and is in transmission connection with the traveling wheel sets and the power unit respectively.

3. The fluidized soil construction equipment according to claim 2, wherein the excavation squeezing device comprises a slewing bearing mechanism, an excavation arm assembly and a squeezing bucket, the slewing bearing mechanism is arranged on the frame, one end of the excavation arm assembly is connected with the slewing bearing mechanism, and the other end of the excavation arm assembly is connected with the squeezing bucket.

4. The fluidized soil construction equipment according to claim 3, wherein the excavating arm assembly comprises a movable arm, a movable arm cylinder, a bucket lever cylinder, an excavator arm, an excavator bucket cylinder, a rocker and a connecting rod, the movable arm, the bucket lever, the excavator arm, the rocker and the connecting rod are sequentially and rotatably connected, the movable arm is arranged on the slewing bearing mechanism, the connecting rod is fixedly connected with the extrusion excavator bucket, the movable arm cylinder is arranged on the movable arm and is in transmission connection with the bucket lever, the bucket lever cylinder is arranged on the bucket lever and is in transmission connection with the excavator arm, and the excavator bucket cylinder is arranged on the excavator arm and is in transmission connection with the rocker.

5. The fluidized soil construction equipment according to claim 2, wherein the stirring device comprises a stirring cabin, a stirring driving unit, a stirring unit, and a cutting unit, the stirring cabin is disposed on the frame, the stirring unit and the cutting unit are disposed in the stirring cabin, and the stirring driving unit is disposed on the stirring cabin and is in transmission connection with the stirring unit and the cutting unit, respectively.

6. The fluidized soil construction equipment according to claim 5, wherein the stirring device further comprises a scraping unit for scraping off soil adhered to the inner wall of the stirring chamber during stirring, the scraping unit is arranged inside the stirring chamber, and the stirring driving unit is in transmission connection with the scraping unit.

7. The fluidized soil construction equipment according to claim 5, wherein the pouring device comprises a chute and a telescopic oil cylinder, the chute is rotatably connected to the bottom of the frame, the telescopic oil cylinder is arranged at the bottom of the frame and is in transmission connection with the chute, the chute comprises a first groove body, a second groove body and a chute oil cylinder, the first groove body and the second groove body are arranged in an overlapping manner along the axial direction, and the chute oil cylinder is arranged between the first groove body and the second groove body and is respectively connected with the first groove body and the second groove body;

the bottom of stirring cabin is equipped with the portion of unloading, the portion of unloading stretches into in the first cell body, in order with the chute forms the butt joint.

8. The fluidized soil construction equipment according to claim 5, wherein the screw conveyor comprises a conveying trough, a feeding portion, a discharging portion, a cover plate, a rotating shaft, a screw blade and a conveying driving unit, the conveying trough is arranged on the frame, the feeding portion and the discharging portion are arranged at two opposite ends of the conveying trough along the conveying direction of the conveying trough, the rotating shaft is arranged in the conveying trough and extends and distributes along the axial direction of the conveying trough, the screw blade is arranged on the rotating shaft, the cover plate covers the conveying trough, and the conveying driving unit is arranged at one end outside the conveying trough and is in transmission connection with the rotating shaft.

9. The fluidized soil construction equipment according to claim 8, wherein the feeding portion is opened with an upper end opening and a lower end opening in a feeding direction, respectively, and the size of the upper end opening is larger than that of the lower end opening.

10. The fluidized soil construction equipment according to claim 8, wherein the feeding portion and the discharging portion are respectively disposed on the upper side and the lower side of the conveying trough, a feeding area is disposed at the top of the stirring chamber, and the feeding area is disposed opposite to the discharging port.

Technical Field

The invention belongs to the technical field of fluidized soil construction, and particularly relates to fluidized soil construction equipment.

Background

At present, steel sheet pile support is the best choice for supporting strip-shaped shallow foundation pits of urban pipelines, tunnels and the like, when a pipe culvert is laid, a pipe network foundation trench needs to be backfilled, the quality of backfilling materials has important influence on the safety of the pipelines, and the steel sheet pile support relates to the aspects of foundation bearing capacity, settlement control and the like. At present, the backfill material is sandy soil or gravel material, but when the working surface of the groove is narrow and only small compaction machinery or manual rolling can be adopted, the compaction degree of the backfill material cannot meet the requirement frequently, and the axillary angle of the pipeline is also a compaction blind area frequently. When the backfill material is compacted by a watertight method and a steel sheet pile is pulled out, deformation and disturbance damage are easily generated, and the settlement of a pipeline foundation is induced.

The fluidized soil is a self-leveling and self-compacting material with certain strength, can replace the conventional sandy material, is similar to cement mortar in the construction method when backfilling after the excavation of a pipe network foundation trench, and has similar or superior performance to compacted clay after hardening. The fluidized soil can effectively overcome the defect that the conventional sandy backfill materials are difficult to compact at the periphery of the inspection well, the abutment back, the retaining wall back, the narrow pipeline and the like. In order to realize earthwork balance and solve the problem of earthwork outward transportation during excavation of a pipe network foundation trench, the method generally uses stacked soil during excavation of the pipe network foundation trench to prepare fluidized soil in a construction site, and then directly pours and backfills the prepared fluidized soil into the pipe network foundation trench.

Disclosure of Invention

The invention aims to provide fluidized soil construction equipment, and aims to solve the problem that the construction efficiency is poor due to the fact that the existing equipment is difficult to independently complete the whole construction process from preparation to pouring of fluidized soil and manual assistance is needed for construction.

In order to achieve the purpose, the invention adopts the technical scheme that: provided is a fluidized soil construction apparatus including:

a traveling mechanism;

the excavating and extruding device is used for excavating and extruding soil at a position to be constructed, and is arranged at one end of the travelling mechanism;

the stirring device is used for stirring the crushed soil and the auxiliary materials to form fluidized soil and is arranged at the other end of the travelling mechanism;

the screw conveying device is used for conveying the soil dug and crushed by the digging and extruding device to the stirring device and crushing the soil again in the conveying process, the screw conveying device is arranged on the travelling mechanism, and the screw conveying device is positioned between the digging and extruding device and the stirring device;

and the pouring device is used for pouring the fluidized soil stirred in the stirring device to the position to be constructed, and the pouring device is connected with the stirring device.

In one embodiment, the traveling mechanism includes a frame, traveling wheel sets disposed on opposite sides of the frame, traveling crawlers sleeved on the traveling wheel sets, a transmission unit disposed on the frame and in transmission connection with the traveling wheel sets and the power unit, respectively.

In one embodiment, the excavating and squeezing device comprises a rotary supporting mechanism, an excavating arm assembly and a squeezing bucket, wherein the rotary supporting mechanism is arranged on a vehicle frame, one end of the excavating arm assembly is connected with the rotary supporting mechanism, and the other end of the excavating arm assembly is connected with the squeezing bucket.

In one embodiment, the excavating arm assembly comprises a movable arm, a movable arm oil cylinder, a bucket lever oil cylinder, an excavator arm, an excavator bucket oil cylinder, a rocker and a connecting rod, wherein the movable arm, the bucket lever, the excavator arm, the rocker and the connecting rod are sequentially and rotatably connected, the movable arm is arranged on the slewing bearing mechanism, the connecting rod is connected with and fixedly extrudes the excavator bucket, the movable arm oil cylinder is arranged on the movable arm and is in transmission connection with the bucket lever, the bucket lever oil cylinder is arranged on the bucket lever and is in transmission connection with the excavator arm, and the excavator bucket oil cylinder is arranged on the excavator arm.

In one embodiment, the stirring device comprises a stirring cabin, a stirring driving unit, a stirring unit and a cutting unit, wherein the stirring cabin is arranged on the frame, the stirring unit and the cutting unit are arranged in the stirring cabin, and the stirring driving unit is arranged on the stirring cabin and is in transmission connection with the stirring unit and the cutting unit respectively.

In one embodiment, the stirring device further comprises a scraping unit for scraping off soil adhered to the inner wall of the stirring chamber in the stirring process, the scraping unit is arranged inside the stirring chamber, and the stirring driving unit is in transmission connection with the scraping unit.

In one embodiment, the pouring device comprises a chute and a telescopic oil cylinder, the chute is rotatably connected to the bottom of the frame, the telescopic oil cylinder is arranged at the bottom of the frame and is in transmission connection with the chute, the chute comprises a first groove body, a second groove body and a chute oil cylinder, the first groove body and the second groove body are arranged in an overlapped mode along the axial direction, and the chute oil cylinder is arranged between the first groove body and the second groove body and is respectively connected with the first groove body and the second groove body;

the bottom of stirring cabin is equipped with the portion of unloading, and the portion of unloading stretches into in the first cell body to form the butt joint with the chute.

In one embodiment, the spiral conveying device comprises a conveying groove, a feeding portion, a discharging portion, a cover plate, a rotating shaft, spiral blades and a conveying driving unit, wherein the conveying groove is arranged on the frame, the feeding portion and the discharging portion are arranged at two opposite ends of the conveying groove along the conveying direction of the conveying groove, the rotating shaft is arranged in the conveying groove and extends and distributes along the axial direction of the conveying groove, the spiral blades are arranged on the rotating shaft, the cover plate covers the conveying groove, and the conveying driving unit is arranged at one end outside the conveying groove and is in transmission connection with the rotating shaft.

In one embodiment, the feeding portion is respectively provided with an upper opening and a lower opening along the feeding direction, and the size of the upper opening is larger than that of the lower opening.

In one embodiment, the feeding part and the discharging part are respectively arranged on the upper side and the lower side opposite to the conveying groove, the top of the stirring cabin is provided with a feeding area, and the feeding area is opposite to the discharging hole.

The fluidized soil construction equipment provided by the invention has the beneficial effects that: the travelling mechanism, the excavating and extruding device, the spiral conveying device, the stirring device and the pouring device are integrated into a whole device, in the construction process, the soil left after the excavation of the pipe network foundation trench can be excavated through excavation crushing, the soil is further crushed, then the soil is subjected to secondary crushing through the spiral conveying device and is conveyed to the stirring device to be stirred together with other ingredients to prepare the fluidized soil, finally the pouring device is used for pouring the fluidized soil into the pipe network foundation trench, the travelling mechanism is arranged to enable the whole device to move in a construction area, the continuous backfilling operation of the pipe network foundation trench is realized, the fluidized soil construction device can independently complete the complete construction process from preparation to pouring of the fluidized soil, more manual intervention is not needed, and the construction efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a fluidized soil construction apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a traveling mechanism of the fluidized soil construction equipment shown in FIG. 1;

FIG. 3 is a schematic view illustrating a structure of an excavating and pressing device of the fluidized soil working apparatus shown in FIG. 1;

FIG. 4 is a schematic view of a detailed construction of an excavating arm assembly of the excavating and squeezing device shown in FIG. 3;

FIG. 5 is a schematic view showing an internal structure of a stirring device of the fluidized soil construction equipment shown in FIG. 1;

FIG. 6 is a schematic top view of the stirring device shown in FIG. 5;

FIG. 7 is a schematic structural view of a pouring device of the fluidized soil construction equipment shown in FIG. 1;

fig. 8 is a schematic structural view of a screw conveyor of the fluidized soil construction equipment shown in fig. 1.

In the figure: 100. a screw conveyor; 110. a frame; 120. a traveling wheel set; 130. a traveling crawler; 140. a transmission unit; 150. a power unit; 200. excavating and extruding devices; 210. a slewing bearing mechanism; 220. an excavating arm assembly; 221. a movable arm; 222. a boom cylinder; 223. a bucket rod; 224. a bucket rod cylinder; 225. squeezing the bucket arm; 226. squeezing the bucket cylinder; 227. a rocker; 228. a connecting rod; 230. squeezing the bucket; 300. a stirring device; 310. a stirring chamber; 315. a feed zone; 316. a discharging part; 320. a stirring drive unit; 330. a stirring unit; 340. a cutting unit; 350. a hatch cover; 400. pouring the device; 410. a chute; 420. a telescopic oil cylinder; 421. a fixed part; 422. a movable portion; 500. a screw conveyor; 510 a conveying trough; 520. a feeding section; 530. a discharge part; 540. a cover plate; 550. a rotating shaft; 560. a helical blade; 570. a conveying drive unit.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1, a fluidized soil construction apparatus according to an embodiment of the present invention will now be described. The fluidized soil construction equipment comprises a traveling mechanism 100, an excavating and extruding device 200, a stirring device 300, a pouring device 400 and a spiral conveying device 500, wherein the excavating and extruding device 200 and the stirring device 300 are respectively arranged at two opposite ends of the traveling mechanism 100, the spiral conveying device 500 is arranged between the excavating and extruding device 200 and the stirring device 300, the pouring device 400 is connected with the stirring device 300, the excavating and extruding device 20 is used for excavating soil at a position to be constructed and crushing the soil, the spiral conveying device 500 is used for conveying the crushed soil into the stirring device 300, the crushed soil is stirred with other auxiliary materials (water, an early strength agent, a curing agent, cement and the like) to form fluidized soil, and the pouring device 400 is used for pouring and backfilling the position to be constructed.

The mobile soil construction equipment integrates the travelling mechanism 100, the excavating and extruding device 200, the stirring device 300, the pouring device 400 and the spiral conveying device 500 into an integrated equipment structure, in the construction process of using mobile soil to pour and backfill a pipe network foundation trench in the construction of a pipe network project, the excavating and extruding device 200 can firstly excavate the pipe network foundation trench and leave soil stacked on the periphery of the pipe network foundation trench, the excavated soil is extruded and crushed to form small-particle-size soil materials which are conveniently put into the spiral conveying device 500 for conveying, the spiral conveying device 500 can secondarily crush the soil in the conveying process, the soil is conveyed into the stirring device 300 to be stirred together with other auxiliary materials to prepare mobile soil, the prepared mobile soil is poured and backfilled into the pipe network foundation trench by the pouring device 400, and the travelling mechanism 100 moves in a construction area, the fluidized soil construction equipment can carry out continuous pouring and backfilling. The mobile soil construction equipment provided by the invention can independently complete the whole construction process from preparation to pouring of mobile soil, relatively less manual intervention is needed, and the whole construction efficiency and effect of backfilling the pipe network foundation trench by using the mobile soil are improved.

Further, referring to fig. 1 and 2, in the present embodiment, the traveling mechanism 100 includes a frame 110, a traveling wheel set 120, a traveling track 130, a transmission unit 140, and a power unit 150, the traveling wheel set 120 is disposed on two opposite sides of the frame 110, the traveling wheel set 120 is sleeved with the traveling wheel set 130, the transmission unit 140 and the power unit 150 are both disposed on the frame 110, and the transmission unit 140 is respectively connected to the traveling wheel set 120 and the power unit 150 for transmitting the power of the power unit 150 to rotate the traveling wheel set 120 and correspondingly drive the traveling track 130 to move, so as to move the entire fluidized soil construction equipment. In this embodiment, the transmission unit 140 and the power unit 150 are disposed outside the frame 110, and in other embodiments, the transmission mechanism 120 may be disposed inside the frame 110, and in addition, the traveling crawler 130 may be more suitable for a complicated construction site environment than a conventional wheel-type traveling structure, so as to improve the traveling stability of the fluidized soil construction equipment.

Further, referring to fig. 3 and 4, the excavating and squeezing device 200 includes a rotary supporting mechanism 210, an excavating arm assembly 220 and a squeezing bucket 230, the rotary supporting mechanism 210 is disposed on the frame 110, one end of the excavating arm assembly 220 is connected to the rotary supporting mechanism 210 so as to rotate on the frame 110 along the setting surface of the rotary supporting mechanism 210 by 360 ° through the rotary supporting mechanism 210, thereby increasing the range of motion of the excavating arm assembly 220, the other end of the excavating arm assembly 220 is connected to and fixed with the squeezing bucket 230, and the squeezing bucket 230 is used for squeezing and crushing the soil while excavating the soil, so as to form small-particle-size soil materials to enter the subsequent screw conveyor 500. In this embodiment, the extrusion bucket 230 includes the bucket body (not shown), and locate the spiral extrusion blade (not shown) on the bucket body and the extrusion hydro-cylinder (not shown) of transmission connection spiral extrusion blade, and after the bucket body dredged earth, the spiral extrusion blade can extrude breakage to earth through the transmission of extrusion hydro-cylinder, forms the soil material of small-grain diameter.

Specifically, the pivoting support mechanism 210 is disposed at one end of the upper surface of the frame 110 and is in transmission connection with the transmission unit 140, that is, the power unit 150 can respectively provide power for the traveling wheel set 120 and the pivoting support mechanism 210. In this embodiment, the spiral squeezing blade 235 is an axial spiral structure with a rotating shaft, and the digging arm assembly 220 includes a movable arm 221, a movable arm cylinder 222, a bucket lever 223, a bucket lever cylinder 224, an bucket arm 225, a bucket cylinder 226, a rocker 227 and a connecting rod 228, wherein one end of the movable arm 221 is connected to the rotary support mechanism 210 through a flange (not shown), the other end of the movable arm 221 is sequentially and rotatably connected to the bucket lever 223, the bucket arm 225, the rocker 227 and the connecting rod 228, the squeezing bucket 230 is fixedly connected to the connecting rod 228, the movable arm cylinder 222 is disposed on the movable arm 221 and is in transmission connection with the bucket lever 223, the bucket lever cylinder 224 is disposed on the bucket lever 223 and is in transmission connection with the bucket arm 225, and the bucket cylinder 226 is disposed on the squeezing bucket arm 225 and is in.

Further, referring to fig. 5 and 6, the stirring device 300 includes a stirring cabin 310, a stirring driving unit 320, a stirring unit 330, and a cutting unit 340, the stirring cabin 310 is installed at the other end of the frame 110 opposite to the pivoting support structure 210, the stirring driving unit 320 is installed on the stirring cabin 310, the stirring unit 330 and the cutting unit 340 are both disposed in the stirring cabin 310, the stirring driving unit 320 is respectively connected to the stirring unit 330 and the cutting unit 340 in a transmission manner, the stirring unit 330 is used for stirring the soil in the stirring cabin 310, and the cutting unit 340 is used for cutting and scattering the soil in the stirring process, so as to prevent the soil from being bonded into lumps and causing uneven stirring.

Further, the stirring device 300 further includes a scraping unit (not shown) disposed inside the stirring chamber 310, and the stirring driving unit 320 is in transmission connection with the scraping unit to scrape off soil adhered to the inner wall of the stirring chamber 310 through the scraping unit.

Specifically, the stirring unit 330 includes a stirring arm (not shown) connected to the stirring driving unit 320, and a stirring blade (not shown) disposed on the stirring arm, the cutting unit includes a cutting rod (not shown) connected to the stirring driving unit 320, and the scraping unit includes a scraping arm connected to the stirring driving unit 320, and a scraping blade disposed on the scraping arm and adjacent to the inner wall of the stirring chamber 310. It should be understood that the configurations and numbers of the stirring unit 330, the cutting unit 340 and the scraping unit can be adjusted and replaced according to the actual operation and requirements, and are not limited herein.

Furthermore, the stirring chamber 310 is further provided with a water injection unit (not shown), and the water injection unit can be communicated with an external water pipe to realize water injection to the stirring chamber, so as to adjust the viscosity of the fluidized soil and clean the stirring chamber 310.

Furthermore, in this embodiment, the stirring device 300 is preferably a vertical stirring structure, the top of the stirring cabin 310 is provided with a feeding area 315, the top of the stirring cabin 310 is provided with a cover 350 for opening and closing the feeding area 315, the bottom of the stirring cabin 310 is provided with a discharging portion 316, and the pouring device 400 is correspondingly connected to the stirring cabin 310, when the soil in the stirring cabin 310 is stirred, the feeding area 315 and the discharging portion 316 are both in a closed state to prevent dust.

Specifically, referring to fig. 7, the pouring device 400 includes a chute 410 and a telescopic cylinder 420, wherein the chute 410 is rotatably connected to the bottom of the frame 110, and the telescopic cylinder 420 is disposed at the bottom of the frame 110 and is in transmission connection with the chute 410, so as to control the inclination angle of the chute 410 relative to the frame 110 through the telescopic action of the telescopic cylinder 420. In this embodiment, the chute 410 and the telescopic cylinder 420 are both hinged to the bottom of the frame 110.

Further, the chute 410 includes a first chute body (not shown), a second chute body (not shown), and a chute cylinder (not shown), the first chute body and the second chute body are overlapped along the axial direction, the chute cylinder is disposed between the first chute body and the second chute body, and is respectively connected to the first chute body and the second chute body, so as to control the overlapping degree of the first chute body and the second chute body, thereby changing the length of the chute 410. In this embodiment, the telescopic cylinder 420 is movably connected to the first trough body, and the discharging portion 316 extends into the first trough body to form a butt joint with the chute 410, so as to perform pouring.

Further, referring to fig. 8, in the present embodiment, the spiral conveying device 500 includes a conveying trough 510, a feeding portion 520, a discharging portion 530, a cover plate 540, a rotating shaft 550, spiral blades 560 and a conveying driving unit 570, the conveying trough 510 is disposed on the frame 110, the feeding portion 520 and the discharging portion 530 are disposed at two ends of the conveying trough 510 along a conveying direction of the conveying trough 510, respectively, for feeding and discharging the conveying trough 510, the rotating shaft 550 is disposed in the conveying trough 510 and extends along an axial direction thereof, the spiral blades 560 are disposed on the rotating shaft 550 to convey soil along with rotation, the cover plate 540 covers the conveying trough 510, the conveying driving unit 570 is disposed at one end outside the conveying trough 510 and is in transmission connection with the rotating shaft 550, wherein during rotation of the spiral blades 560, soil in the conveying trough 510 is simultaneously subjected to a radial force, a tangential force and a high-speed rotation centrifugal force of the spiral blades 560, the soil is crushed again in the conveying groove 510, so that the soil is further refined, and the quality of the prepared fluidized soil is improved.

Specifically, in this embodiment, the conveying trough 510 is preferably a U-shaped structure with an upward notch, and the cover 540 covers the upper side of the conveying trough 510, so as to prevent soil from splashing away from the conveying trough 510 during conveying, and prevent workers from being injured by the helical blades 560 in the trough; in addition, the feeding portion 520 is respectively provided with an upper opening (not shown) and a lower opening (not shown) along the feeding direction, and the size of the upper opening is larger than that of the lower opening, so that the feeding portion 520 is in an approximate funnel shape, and the feeding portion is convenient to feed the conveying groove 510.

More specifically, in the embodiment, the conveying trough 510 is obliquely arranged on the frame 110 along the vertical direction, and the feeding portion 520 and the discharging portion 530 are respectively arranged on the upper side and the lower side of the conveying trough 510, so that the horizontal height of the feeding portion 520 is lower, which is convenient for placing the soil in the extrusion bucket 230 into the feeding portion 520 through the cooperation of the slewing bearing mechanism 210 and the excavating arm assembly 220 after the extrusion bucket 230 excavates and crushes the soil; and the discharge part 530 has a higher level, so that the discharge part 530 faces the feeding area 315 communicated with the stirring chamber 310.

In this embodiment, the rotary supporting mechanism 210 and the stirring chamber 310 are respectively installed at two opposite ends of the upper surface of the frame 210, the number of the conveying troughs 510 is two and are arranged at intervals (each conveying trough 510 is provided with a corresponding feeding portion 520, a corresponding discharging portion 530, a cover plate 540, a rotating shaft 550, a helical blade 560 and a conveying driving unit 570), the rotary supporting mechanism 210 is arranged between the two conveying troughs 510 at equal intervals, and the number of the corresponding feeding areas 315 is two so as to be directly opposite to the respective discharging portions 530 of the two conveying troughs 510.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.