CN115142397B - Foundation vibration-compaction device for aeolian sand stratum - Google Patents
Foundation vibration-compaction device for aeolian sand stratum Download PDFInfo
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- CN115142397B CN115142397B CN202210722784.3A CN202210722784A CN115142397B CN 115142397 B CN115142397 B CN 115142397B CN 202210722784 A CN202210722784 A CN 202210722784A CN 115142397 B CN115142397 B CN 115142397B
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- 239000004576 sand Substances 0.000 title claims abstract description 81
- 238000005056 compaction Methods 0.000 title claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000010009 beating Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 239000000725 suspension Substances 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 238000010276 construction Methods 0.000 description 8
- 238000007789 sealing Methods 0.000 description 8
- 230000008595 infiltration Effects 0.000 description 6
- 238000001764 infiltration Methods 0.000 description 6
- 239000012466 permeate Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
Abstract
The invention relates to a foundation compaction device of a wind-blown sand stratum, which comprises: a vehicle body; the vibrating assembly is arranged at the front part of the vehicle body and comprises a plurality of vibrating rods which are arranged in an arrangement mode, the vibrating rods are vertically and movably connected to the vehicle body through a transmission assembly, each vibrating rod comprises a conical shell and a first vibrating rod which is fixed in the conical shell, a plurality of permeation grooves are formed in the outer wall of the conical shell, and water outlets are formed in the top of the conical shell; the tamping assembly is arranged at the rear part of the vehicle body and comprises an upper beating plate vertically and movably connected with the vehicle body through a driving assembly and a conical rod fixed on the bottom surface of the upper beating plate in an array manner, the diameter of the conical rod is smaller than that of the vibrating rod, a plurality of liquid separating holes are formed in the upper beating plate in an array manner, and through grooves communicated with the liquid separating holes are formed in the conical rod. The invention avoids the suspension liquefaction phenomenon of the middle layer of sand grains and solves the technical problem of long vibration compaction processing time of the wind accumulation Sha Deceng in the prior art.
Description
Technical Field
The invention relates to the field of foundation construction, in particular to a foundation vibration-compaction device for a wind-blown sand stratum.
Background
Aeolian sand is a sand layer which is blown and deposited by wind, and is mostly found in deserts and gobi, the aeolian sand has little powder clay content, low surface activity, looseness and no aggregation, obvious non-plasticity is realized, the particles belong to fine sand, and the sand composition is natural bad grading. For the aeolian sand with poor grading and non-caking property, the molding is difficult, the shearing resistance after molding is also poor, the key link of aeolian sand construction is the problem of water sprinkling, and the construction quality of aeolian sand is greatly affected by an improper water sprinkling method. The problem of insufficient compactness of wind-blown sand caused by uneven water sprinkling and incomplete water sprinkling frequently occurs in construction.
Sand grain surface has little physical adsorption effect to water, and sand grain loses its structural nature and bearing capacity soon after meeting water, water stability is poor, need in time with the foundation compaction when laying layer by layer, when the foundation vibration construction of wind-deposited sand stratum, because frequently spill water and sand grain water absorption effect is poor, the moisture deposition causes well lower floor sand grain, in the short time, the water pressure in hole between the sand grain is just not dispelled, make effective stress reduce, when effective stress disappears completely, sand grain is in suspended state locally or totally, make unable better compaction between the sand grain, and appear buffering when ramming, cause foundation compaction process time long.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a foundation compaction device for a wind-blown sand stratum, which solves the technical problem of long wind-blown Sha Deceng compaction processing time in the prior art.
In a first aspect, the invention discloses a foundation compaction device for a aeolian sand stratum, comprising: a vehicle body; the vibrating assembly is arranged at the front part of the vehicle body and comprises a plurality of vibrating rods which are arranged in an array manner, the vibrating rods are vertically and movably connected to the vehicle body through a transmission assembly, the vibrating rods comprise a conical shell and a first vibrating rod which is fixed in the conical shell, a plurality of permeation grooves are formed in the outer wall of the conical shell, and water outlets are formed in the top of the conical shell; the tamping assembly is arranged at the rear part of the vehicle body and comprises an upper beating plate vertically and movably connected with the vehicle body through a driving assembly and a conical rod fixed on the bottom surface of the upper beating plate in an array manner, the diameter of the conical rod is smaller than that of the vibrating rod, a plurality of liquid separating holes are formed in the upper beating plate in an array manner, and through grooves communicated with the liquid separating holes are formed in the conical rod.
The foundation vibration sealing device for the wind-blown sand stratum is further improved in that the transmission assembly comprises an electric telescopic rod vertically and movably connected to the vehicle body, and a lifting frame fixed to the bottom of the electric telescopic rod, and a plurality of vibrating rods are vertically and movably arranged on the lifting frame.
The foundation vibration sealing device for the wind-blown sand stratum is further improved in that the lifting frame is cuboid, a driving mechanism is movably connected in the lifting frame, the driving mechanism is simultaneously and rotatably connected with a plurality of first locking pieces and a second locking piece, the plurality of first locking pieces are respectively locked and unlocked vertically through rotation, the second locking piece is locked and unlocked vertically through rotation, and the plurality of first locking pieces and the second locking piece are synchronously locked vertically or unlocked.
The foundation vibration sealing device for the wind-blown sand stratum is further improved in that a rectangular chute is formed in the lifting frame, the driving mechanism comprises a movable bar, an electric push rod, a main toothed bar, a plurality of first gears and a second gear, the movable bar is slidably arranged in the rectangular chute, the electric push rod is used for controlling the movable bar to slide, the main toothed bar is fixed on the side face of the movable bar, the first gears are respectively fixed on the plurality of first locking pieces, the second gears are respectively fixed on the second locking pieces, and the plurality of first gears and the second gears are meshed with the main toothed bar.
The foundation vibration sealing device for the wind-blown sand stratum is further improved in that the first locking piece comprises a sleeve, the side wall of the first end of the sleeve is fixed with the corresponding first gear, the second end of the sleeve penetrates out of the lifting frame downwards, a clamping groove is formed in the side wall of the second end of the sleeve, a clamping rod matched with the clamping groove is arranged on the side wall of the corresponding vibration rod, a cable rod is fixed to the top of the vibration rod, the upper portion of the cable rod penetrates out of the corresponding sleeve and the lifting frame, and the upper ends of all the cable rods are jointly fixed to a top plate.
The foundation vibration sealing device for the wind-blown sand stratum is further improved in that the second locking piece comprises a limiting rod, the side wall of the first end of the limiting rod is fixed with the second gear, the second end of the limiting rod upwards penetrates out of the lifting frame, and the side wall of the second end of the limiting rod is provided with a clamping part for clamping the top plate.
The foundation vibration sealing device for the wind-blown sand stratum is further improved in that the conical shell comprises a conical first vibration shell and a first end cover arranged at the top of the first vibration shell, the first vibration shell is connected with the first end cover through a spring, and the water outlet is formed between the first vibration shell and the first end cover.
The foundation vibration sealing device for the wind-blown sand stratum is further improved in that the driving assembly comprises a driving motor, two supporting arms fixed on the vehicle body and positioned on two sides of the driving motor, two movable rocking bars respectively connected to the tops of the supporting arms in a rotating mode, and a driving pull rod connected between the two movable rocking bars and an output wheel of the driving motor in a rotating mode, a vibration digging connecting rod is connected between the movable rocking bars and the upper clapping plate, and the driving assembly converts rotary motion of the output wheel into linear motion of the upper connecting rod.
The foundation compaction device for the wind-blown sand stratum is further improved in that the tamping assembly further comprises a lower slapping plate overlapped with the upper slapping plate, two vertical plates are respectively fixed on two sides of the lower slapping plate, the upper slapping plate is positioned between the two vertical plates, limiting plates for blocking the upper slapping plate are respectively fixed on the tops of the two vertical plates, the bottoms of the limiting plates are higher than the top surface of the upper slapping plate by a certain distance, and liquid draining holes for the conical rods to pass through are formed in the lower slapping plate.
The foundation vibration sealing device for the wind-blown sand stratum is further improved in that a water tank is arranged in a vehicle body of the vehicle body, a plurality of partition boards are vertically fixed in the water tank at intervals, a liquid storage cavity is formed between every two adjacent partition boards, through grooves communicated with the adjacent liquid storage cavities are formed in the top and the bottom of each partition board, buffer balls are arranged in the liquid storage cavities and connected to the top surface and the bottom surface of the water tank through connecting ropes, and water is filled in the liquid storage cavities.
Compared with the prior art, the invention has positive and obvious effects. According to the invention, the compaction assembly and the compaction assembly are used for respectively carrying out compaction construction on the aeolian sand stratum, so that the phenomenon of suspension liquefaction of the middle layer of sand particles is avoided, and the technical problem of long aeolian Sha Deceng compaction processing time in the prior art is solved. The vibration of the compaction assembly drives the wind-deposited sand particles in the foundation to vibrate, redundant moisture around sand particles permeates outwards from the surface of the compaction assembly in the vibration process, the water content in pores among the sand particles is kept, the compaction assembly continuously beats the surface of the foundation, the holes formed by vibration are eliminated, meanwhile, when the compaction assembly beats the ground, the redundant moisture inside the compaction assembly is beaten to permeate outwards, the reduction of the compaction effect caused by the moisture flowing among the sand particles is avoided, the foundation compaction process of the wind-deposited sand stratum is quickened, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the whole structure of a foundation compaction device of a aeolian sand stratum.
Fig. 2 is a front view of the drive assembly and ramming assembly of the foundation compaction apparatus of the aeolian sand layer according to the present invention.
FIG. 3 is a schematic diagram of the tamping assembly of the foundation compaction device for aeolian sand strata according to the present invention.
Fig. 4 is a front view of a tap assembly of a foundation compaction device for aeolian sand strata according to the present invention.
Fig. 5 is a schematic structural view of a first locking member of the foundation compaction device for a aeolian sand layer according to the present invention.
Fig. 6 is a schematic structural view of a first embodiment of a vibrating rod of a foundation compaction device for a aeolian sand layer according to the present invention.
Fig. 7 is a schematic structural view of a second embodiment of a vibrating rod of the foundation compaction device for a aeolian sand layer according to the present invention.
FIG. 8 is a schematic diagram of the internal structure of a foundation compaction device for a wind-blown sand formation according to the present invention.
In the figure: 1 car body, 101 frame shell, 102 liquid storage cavity, 103 liquid filling pipe, 104 partition board, 105 connecting rope, 106 buffer ball, 2 vibration draw connecting rod, 3 ramming component, 301 lower clapping plate, 302 upper clapping plate, 303 clamping piece, 304 liquid discharging hole, 305 conical rod, 306 trough, 307 liquid separating hole, 4 protective cover, 5 generator, 6 vibration component, 611 second end cover, 612 second vibration rod, 613 second vibration shell, 614 fixed ring, 615 clamping rod, 616 penetrating groove, 617 water outlet hole, 621 first end cover, 622 first vibration rod, 623 first vibration shell, 624 connecting spring, 625 elastic sleeve, 626 extending rod, 7 first locking piece, 701 sleeve, 702 first gear, 703 clamping groove, 8 lifting frame, 9 electric telescopic rod, 10 limiting rod, 1001 second gear, 11 top plate, 12 cable rod, 13 driving motor, 14 movable rocking rod, 15 guiding sliding sleeve, 16 connecting frame, 17 supporting frame, 18 roller, 19 driving pull rod, 20 supporting arm, 21 rectangular sliding groove, 22 driving mechanism, 2201 movable rocking rod, 3, 2203 guiding sliding rod, 22023 guiding slide bar, and 2202 sliding rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 and 2, the present invention provides a foundation compaction device for aeolian sand strata, comprising: the vehicle body 1, the support frames 17 are arranged on two sides of the vehicle body 1, the rollers 18 are arranged at the bottoms of the support frames 17, the generator 5 is arranged at the top of the vehicle body 1, and the protective cover 4 is arranged on the outer side of the generator 5; the vibrating assembly 6 is arranged at the front part of the vehicle body 1, the vibrating assembly 6 comprises a plurality of vibrating rods which are arranged in an array manner, the vibrating rods are vertically and movably connected to the vehicle body 1 through a transmission assembly, the vibrating rods comprise a conical shell and a first vibrating rod 622 fixed in the conical shell, a plurality of permeation grooves 616 are formed in the outer wall of the conical shell, and water outlet holes 617 are formed in the top of the conical shell; the tamping assembly 3 is arranged at the rear part of the vehicle body 1, the tamping assembly 3 comprises an upper beating plate 302 vertically and movably connected with the vehicle body 1 through a driving assembly, and a conical rod 305 fixed on the bottom surface of the upper beating plate 302 in an array manner, the diameter of the conical rod 305 is smaller than that of the vibrating rod, a plurality of liquid separating holes 307 are formed in the upper beating plate 302 in an array manner, and through grooves 306 communicated with the liquid separating holes 307 are formed in the conical rod 305. At the foundation operating point that reaches the aeolian sand stratum, generator 5 starts to produce electric power, insert compaction subassembly 6 into the middle level stratum through drive assembly, then compaction subassembly 6 vibration drives aeolian sand granule vibration in the foundation, the in-process of shaking closely, unnecessary moisture around the sand grain is outside infiltration from compaction subassembly 6 surface, keep the water content in the hole between the sand grain, effectively avoid the sand grain middle level to appear suspending liquefaction phenomenon, utilize drive assembly to drive compaction subassembly 3 up-and-down motion after the compaction is accomplished, constantly beat the foundation surface, eliminate the hole that the vibration formed, simultaneously, when the compaction subassembly 3 beats the ground, beat outside infiltration with its inside unnecessary moisture, avoid the moisture flow to cause the tamp effect to descend between the sand grain, accelerate the foundation compaction process of aeolian sand stratum.
Preferably, the transmission assembly comprises an electric telescopic rod 9 vertically movably connected to the vehicle body 1, and a lifting frame 8 fixed to the bottom of the electric telescopic rod 9, wherein a plurality of vibrating rods are vertically movably installed on the lifting frame 8. The electric telescopic rod 9 can drive the lifting frame 8 and the sleeve 701 assembly 7 to do lifting motion, so that the tap assembly 6 can be inserted and pulled.
Further, the lifting frame 8 is in a cuboid shape, a driving mechanism 22 is movably connected in the lifting frame 8, the driving mechanism 22 is simultaneously driven to rotate and connected with a plurality of first locking pieces 7 and a plurality of second locking pieces, the plurality of first locking pieces 7 respectively realize vertical locking and loosening of a plurality of vibrating bars through rotation, the second locking pieces realize vertical locking and loosening of the lifting frame 8 through rotation, and the plurality of first locking pieces 7 and one second locking piece are synchronous to be in a vertical locking state or a loosening state. More preferably, a guiding sliding bar 23 for limiting the lifting direction of the cable bar 12 is fixed on the lifting frame 8, and a through hole for the cable bar 12 to slide through is formed in the sliding bar 23.
Further, the lifting frame 8 is internally provided with a rectangular sliding slot 21, the driving mechanism 22 comprises a movable bar 2202 slidably mounted in the rectangular sliding slot 21, an electric push rod 2201 for controlling the movable bar 2202 to slide, a main toothed bar 2203 fixed on the side surface of the movable bar 2202, a plurality of first gears 702 for being fixed to the plurality of first locking members 7 respectively, and a second gear 1001 for being fixed to the second locking member, and the plurality of first gears 702 and the second gear 1001 are meshed with the main toothed bar 2203. Preferably, the main rack 2203 is divided into a plurality of sections and fixed on the movable rack 2202, each section of main rack 2203 is correspondingly meshed with a first gear 702, one section of main rack 2203 in the middle is meshed with a second gear 1001, and the first gear 702 and the second gear 1001 are half gears, so as to avoid excessive rotation of the gears and further cause dislocation. The electric push rod 2201 is electrically connected with the generator 5, when in use, the electric push rod 2201 drives the movable bar 2202 to move left and right, the first locking piece 7 is driven to rotate through the main toothed bar 2203 and the first gear 702 in the moving process, and the second gear 1001 drives the second locking piece to rotate.
Preferably, the first locking element 7 comprises a sleeve 701, a first end side wall of the sleeve 701 is fixed with a corresponding first gear 702, a second end of the sleeve 701 penetrates out of the lifting frame 8 downwards, a clamping groove 703 is formed on a second end side wall of the sleeve 701, a clamping rod 615 matched with the clamping groove 703 is arranged on a side wall of a corresponding vibrating rod, a cable rod 12 is fixed at the top of the vibrating rod, the upper part of the cable rod 12 penetrates out of the corresponding sleeve 701 and the lifting frame 8, and the upper ends of all the cable rods 12 are jointly fixed on a top plate 11. The clamping groove 703 is in an inverted L shape, and the lower end part is provided with an opening for the clamping rod to enter. The cable bar 12 is electrically connected to the generator 5 to provide power to the vibrating rod. When the device is used, after the lifting frame 8 pushes the vibrating rod into the foundation soil layer through the pushing sleeve 701, the electric push rod 2201 drives the movable bar 2202 to slide, the pushing sleeve 701 is driven to rotate through the first gear 702, the clamping rod 615 on the vibrating rod is separated from the clamping groove 703, the first locking piece 7 is controlled to ascend, the vibrating construction of the foundation is started, reverse operation is performed after the vibration of the foundation is completed, the sleeve 701 is enabled to be combined with the vibrating rod, the whole lifting frame 8 is driven by the electric telescopic rod 9 to draw the vibrating rod away from the foundation, and the operation is simple and convenient.
Preferably, the second locking member includes a stop lever 10, a first end sidewall of the stop lever 10 is fixed to the second gear 1001, a second end of the stop lever 10 extends out of the lifting frame 8, and a second end sidewall of the stop lever 10 is provided with a clamping portion for clamping the top plate 11. When the clamping part fixes the top plate 11, the relative positions between all vibrating rods and the lifting frame 8 are controlled, so that the vibrating rods are lifted conveniently, when the first locking piece 7 is driven by the first locking piece to drive the limiting rod 10 to rotate so that the top plate 11 is separated from the clamping part, the lifting frame 8 is controlled by the electric telescopic rod 9 to lift, and only the top position of the vibrating rod is in small-area contact with the lifting frame 9, so that the contact area between the vibrating rods and the limiting rod 10 and the lifting frame 8 is reduced, and the phenomenon that the lifting frame 8 and other structures of the vehicle body 1 are damaged by strong vibrating force of the vibrating rods in the vibrating process is avoided.
Preferably, the structure of the vibrating rod has two embodiments, namely, embodiment one: the cone-shaped housing includes a cone-shaped first vibration housing 623 and a first end cover 621 disposed on top of the first vibration housing 623, wherein the first vibration housing 623 is connected to the first end cover 621 through a spring, and the water outlet 617 is formed between the first vibration housing 623 and the first end cover 621, which is provided for discharging excessive moisture in the first vibration housing 623. The clamping rod 615 is fixed on two opposite side walls of the first end cover 621, the first vibrating housing 623 is internally provided with the first vibrating rod 622, the first vibrating housing 623 is deep into the middle of a foundation, the first vibrating rod 622 impacts the inside of the first vibrating housing 623 during working to finish the transmission of vibration, meanwhile, the arrangement of the connecting spring enables the bottom swing amplitude of the second vibrating housing 613 to be larger than the upper swing amplitude during vibration, the movement of deep sand grains is increased through a fan-shaped movement track, and the vibration density operation efficiency of the foundation is further improved. Further, the penetration groove 616 is circular, a plurality of extension rods 626 are fixed on the peripheral wall of the first vibration rod 622 at intervals, the extension rods 626 are in one-to-one correspondence with the penetration groove 616, a plurality of elastic sleeves 625 are sleeved on the outer periphery of the extension rods 626, the outer diameter of each elastic sleeve 625 is larger than the inner diameter of the circular hole, each extension rod 626 extends to the inside of the circular hole, the extension rods 626 continuously stretch in the circular hole during vibration transmission, sand particles around the impact are impacted, the vibration processing range is extended, meanwhile, redundant moisture is oozed out from gaps of the circular holes, the moisture content among the sand particles is maintained, the elastic sleeves 625 are arranged, the vibration amplitude is increased, the surface of the first vibration rod 622 is protected, and the service life of the extension device is prolonged.
Embodiment two: the conical shell comprises a conical second vibrating shell 613 and a second end cover 611 covered on the top of the second vibrating shell 613, the water outlet 617 is arranged on the second end cover 611, a clamping rod 615 is fixed on the opposite outer side wall of the second end cover 611, the second vibrating rod 612 is arranged inside the second vibrating shell 613, a fixed ring 614 is arranged between the second vibrating rod 612 and the second vibrating shell 613, the fixed ring 614 can fix the relative position of the second vibrating rod 612 in the second vibrating shell 613 to avoid the second vibrating rod 612 from crashing the second vibrating shell 613, the outer end of the infiltration groove 616 is trapezoidal, the inner end of the infiltration groove 616 is in a strip-shaped structure, after the second vibration housing 613 goes deep into the foundation, when vibration is transmitted to the middle part of sand grains in the wind-blown sand stratum, redundant water moves from the infiltration groove 616 to the inside of the second vibration housing 613, the water content in the sand grain gap is maintained, secondly, the infiltration groove 616 is narrow and wide from outside, a step is arranged in the middle part, sand grains are effectively filtered, the sand grains are prevented from entering the inside of the second vibration housing 613 to cause blockage, the balance of the water in the sand grains is maintained, and the process of foundation vibration density processing is accelerated.
Preferably, the driving assembly comprises a driving motor 13, two supporting arms 20 fixed on the vehicle body 1 and positioned on two sides of the driving motor 13, two movable rocking bars 14 respectively connected to the tops of the supporting arms 20 in a rotating mode, and a driving pull rod 19 connected between the two movable rocking bars 14 and an output wheel of the driving motor 13 in a rotating mode, a vibration drawing connecting rod 2 is connected between the movable rocking bars 14 and the upper clapping plate 302, and the driving assembly converts the rotation motion of the output wheel into linear motion of the upper vibration drawing connecting rod 2. The centers of the two movable rockers 14 are in one-to-one corresponding rotary connection with the two supporting arms 20 in the vertical direction, two strip-shaped holes are formed in the two ends of each movable rocker 14 along the length direction, the opposite ends of the two movable rockers 14 are mutually overlapped, a flywheel is mounted on an output shaft of the driving motor 13, a driving pull rod 19 is hinged between the flywheel and the overlapped part of the two movable rockers 14, a rotating shaft is vertically fixed at one end of the driving pull rod 19, penetrates through the two strip-shaped holes in the overlapped part of the two movable rockers 14, the rotating shaft can slide in the strip-shaped holes, accordingly the upper and lower swinging of the two ends of the two movable rockers 14 is controlled, the other end of the driving pull rod 19 is mounted on the flywheel and rotates along with the rotation of the flywheel, a guiding sliding sleeve 15 is mounted at the two ends of a connecting frame 16 of the vehicle body 1, and the vibrating connecting rod 2 is mounted in a sliding mode inside the guiding sliding sleeve 15. In the process of driving the fly rotation by the driving motor 13, the driving pull rod 19 can be driven to rotate, so that the movable rocker 14 moves up and down, and finally the upper slapping plate 302 is driven to slap the foundation up and down.
Preferably, the tamping assembly 3 further comprises a lower beating plate 301 overlapped with the upper beating plate 302, two vertical plates are respectively fixed on two sides of the lower beating plate 301, the upper beating plate 302 is located between the two vertical plates, limiting plates 303 for blocking the upper beating plate 302 are respectively fixed on the tops of the two vertical plates, the bottoms of the limiting plates 303 are higher than the top surface of the upper beating plate 302 by a certain distance, and liquid draining holes 304 for the tapered rods 305 to pass through are formed in the lower beating plate 301. The distance between the bottom surface of the limiting plate 303 and the top surface of the lower clapping plate 301 is greater than the thickness of the upper clapping plate 302, so that when the foundation is tamped, the upper clapping plate 302 and the lower clapping plate 301 are combined to form two impacts, the strength and the frequency of the beating on the surface of the foundation are enhanced, and air and moisture on the surface of the foundation are discharged from the liquid discharge holes 304 during the impact, so that the impact of the operation of the tamping assembly 3 on the tamping operation due to the separated moisture is avoided.
Preferably, a water tank is arranged in the vehicle body of the vehicle body 1, a plurality of partition boards 104 are vertically fixed in the water tank at intervals, a liquid storage cavity 102 is formed between every two adjacent partition boards 104, through grooves for communicating the adjacent liquid storage cavities 102 are formed in the top and the bottom of each partition board 104, a buffer ball 106 is arranged in the liquid storage cavity 102, the buffer ball 106 is connected to the top surface and the bottom surface of the water tank through connecting ropes, and water is filled in the liquid storage cavity 102. The vehicle body 1 comprises a frame shell 101, the frame shell 101 is internally provided with the cavity, and a liquid injection pipe 103 is arranged at the top of the frame shell 101 so as to facilitate the water injection into the liquid storage cavity. When vibrating the dense processing to the ground, the inside injection water to stock solution chamber 102 increases the weight of device, and then increases the vibration when the device operates, tamps the effect to the vibration on ground surface, simultaneously, inside water is through the swing of buffer ball 106 in the vibration in-process, avoids water both ends swing, maintains focus's balance when the device operates, improves the stability of device operation.
When the device is used, the foundation operation point of the aeolian sand stratum is reached, the generator is started to generate electric power, the electric telescopic rod is used for inserting the lifting frame and the vibrating rod into the middle of the foundation, the driving mechanism drives the first locking piece to rotate, the first locking piece is separated from the vibrating rod, the vibrating rod vibrates to drive aeolian sand particles in the foundation to vibrate, redundant moisture around sand particles permeates inwards from the surface of the vibrating rod in the vibrating process, the water content in pores between the sand particles is kept, the phenomenon of suspension liquefaction in the middle layer of the sand particles is effectively avoided, one end of the movable rocker is driven to move after the vibration is completed, the vibrating assembly is driven to move up and down through the vibrating connecting rod, the broken holes formed by vibration are eliminated, meanwhile, when the vibrating assembly beats the ground, redundant moisture inside the vibrating assembly is beaten outwards, and the effect of tamping is prevented from being reduced due to the fact that the moisture flows between the sand particles.
According to the invention, the compaction assembly and the compaction assembly are used for respectively carrying out compaction construction on the aeolian sand stratum, so that the phenomenon of suspension liquefaction of the middle layer of sand particles is avoided, and the technical problem of long aeolian Sha Deceng compaction processing time in the prior art is solved. The vibration of the compaction assembly drives the wind-deposited sand particles in the foundation to vibrate, redundant moisture around sand particles permeates outwards from the surface of the compaction assembly in the vibration process, the water content in pores among the sand particles is kept, the compaction assembly continuously beats the surface of the foundation, the holes formed by vibration are eliminated, meanwhile, when the compaction assembly beats the ground, the redundant moisture inside the compaction assembly is beaten to permeate outwards, the reduction of the compaction effect caused by the moisture flowing among the sand particles is avoided, the foundation compaction process of the wind-deposited sand stratum is quickened, and the working efficiency is improved.
None of the inventions are related to the same or are capable of being practiced in the prior art. The present invention is not limited to the above-mentioned embodiments, but is not limited to the above-mentioned embodiments, and any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical matters of the present invention can be made by those skilled in the art without departing from the scope of the present invention.
Claims (3)
1. A foundation compaction device for a aeolian sand formation, comprising:
a vehicle body;
the vibrating assembly is arranged at the front part of the vehicle body and comprises a plurality of vibrating rods which are arranged in an array manner, the vibrating rods are vertically and movably connected with the vehicle body through a transmission assembly, each vibrating rod comprises a conical shell and a first vibrating rod fixed in the conical shell, a plurality of permeation grooves are formed in the outer wall of the conical shell, and water outlets are formed in the top of the conical shell; the conical shell comprises a first conical vibrating shell and a first end cover arranged at the top of the first vibrating shell, the first vibrating shell is connected with the first end cover through a spring, and the water outlet hole is formed between the first vibrating shell and the first end cover; a plurality of extension rods are fixed on the peripheral wall of the first vibrating rod at intervals, the extension rods correspond to the permeation grooves one by one, and a plurality of elastic sleeves are sleeved on the periphery of the extension rods;
the tamping assembly is arranged at the rear part of the vehicle body and comprises an upper beating plate vertically and movably connected with the vehicle body through a driving assembly and a conical rod fixed on the bottom surface of the upper beating plate in an array manner, the diameter of the conical rod is smaller than that of the vibrating rod, a plurality of liquid separating holes are formed in the upper beating plate in an array manner, and through grooves communicated with the liquid separating holes are formed in the conical rod; the tamping assembly further comprises a lower beating plate overlapped with the upper beating plate, two vertical plates are respectively fixed on two sides of the lower beating plate, the upper beating plate is positioned between the two vertical plates, limiting plates for blocking the upper beating plate are respectively fixed on the tops of the two vertical plates, the bottoms of the limiting plates are higher than the top surface of the upper beating plate by a certain distance, and liquid draining holes for the conical rods to pass through are formed in the lower beating plate;
the transmission assembly comprises an electric telescopic rod vertically and movably connected to the vehicle body and a lifting frame fixed to the bottom of the electric telescopic rod, and a plurality of vibrating rods are vertically and movably installed on the lifting frame;
the lifting frame is in a cuboid shape, a driving mechanism is movably connected in the lifting frame, the driving mechanism is simultaneously driven to rotate and connected with a plurality of first locking pieces and a second locking piece, the first locking pieces respectively realize vertical locking and loosening of the vibrating bars through rotation, the second locking pieces realize vertical locking and loosening of the lifting frame through rotation, and the first locking pieces and the second locking pieces are synchronous to be in a vertical locking state or a loosening state;
the lifting frame is internally provided with a rectangular chute, the driving mechanism comprises a movable strip, an electric push rod, a main toothed strip, a plurality of first gears and a second gear, the movable strip is slidably arranged in the rectangular chute, the electric push rod is used for controlling the movable strip to slide, the main toothed strip is fixed on the side surface of the movable strip, the first gears are respectively fixed on the plurality of first locking pieces, the second gears are respectively fixed on the second locking pieces, and the plurality of first gears and the second gears are meshed with the main toothed strip;
the first locking piece comprises a sleeve, the side wall of the first end of the sleeve is fixed with the corresponding first gear, the second end of the sleeve penetrates out of the lifting frame downwards, a clamping groove is formed in the side wall of the second end of the sleeve, a clamping rod matched with the clamping groove is arranged on the side wall of the corresponding vibrating rod, a cable rod is fixed at the top of the vibrating rod, the upper part of the cable rod penetrates out of the corresponding sleeve and the lifting frame, and the upper ends of all the cable rods are fixed on a top plate together;
the second locking piece comprises a limiting rod, the side wall of the first end of the limiting rod is fixed with the second gear, the second end of the limiting rod upwards penetrates out of the lifting frame, and the side wall of the second end of the limiting rod is provided with a clamping part for clamping the top plate.
2. The foundation compaction device of the aeolian sand stratum according to claim 1, characterized in that said driving assembly comprises a driving motor, two supporting arms fixed on the vehicle body and located on two sides of said driving motor, two movable rockers respectively connected to the tops of said supporting arms in a rotating way, and a driving pull rod connected between the two movable rockers and an output wheel of the driving motor in a rotating way, a vibration digging connecting rod is connected between said movable rockers and said upper slapping plate, and said driving assembly converts the rotary motion of said output wheel into the linear motion of the upper connecting rod.
3. The foundation compaction device for the aeolian sand stratum according to claim 1, characterized in that a water tank is arranged in a vehicle body of the vehicle body, a plurality of partition boards are fixed in the water tank at vertical intervals, a liquid storage cavity is formed between every two adjacent partition boards, through grooves communicated with the adjacent liquid storage cavities are formed in the top and the bottom of each partition board, buffer balls are arranged in the liquid storage cavities and connected to the top surface and the bottom surface of the water tank through connecting ropes, and water is filled in the liquid storage cavities.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210722784.3A CN115142397B (en) | 2022-06-21 | 2022-06-21 | Foundation vibration-compaction device for aeolian sand stratum |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210722784.3A CN115142397B (en) | 2022-06-21 | 2022-06-21 | Foundation vibration-compaction device for aeolian sand stratum |
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| CN115142397B true CN115142397B (en) | 2024-03-15 |
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| DE3206710A1 (en) * | 1981-03-21 | 1982-10-07 | Ingenieurbüro Benno Kaltenegger AG & Co KG, 5202 Hennef | Device for compacting the soil by means of a vibration plate |
| CN211229558U (en) * | 2019-10-26 | 2020-08-11 | 南通天安特种混凝土制品有限公司 | Vibrating machine |
| CN213014290U (en) * | 2020-06-22 | 2021-04-20 | 河北省高速公路石安管理处 | Cantilever type retaining wall centralized vibrating equipment |
| CN112921948A (en) * | 2021-04-02 | 2021-06-08 | 中铁西北科学研究院有限公司 | Foundation treatment vibration compaction device and method for aeolian sand stratum |
| CN113430886A (en) * | 2021-07-05 | 2021-09-24 | 包头市公路工程股份有限公司 | Application of rubber-tyred road roller in building roadbed by aeolian sand |
| CN113914287A (en) * | 2021-11-04 | 2022-01-11 | 山东蔚澜信息科技有限公司 | Tamping device for electric power engineering pole |
-
2022
- 2022-06-21 CN CN202210722784.3A patent/CN115142397B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3206710A1 (en) * | 1981-03-21 | 1982-10-07 | Ingenieurbüro Benno Kaltenegger AG & Co KG, 5202 Hennef | Device for compacting the soil by means of a vibration plate |
| CN211229558U (en) * | 2019-10-26 | 2020-08-11 | 南通天安特种混凝土制品有限公司 | Vibrating machine |
| CN213014290U (en) * | 2020-06-22 | 2021-04-20 | 河北省高速公路石安管理处 | Cantilever type retaining wall centralized vibrating equipment |
| CN112921948A (en) * | 2021-04-02 | 2021-06-08 | 中铁西北科学研究院有限公司 | Foundation treatment vibration compaction device and method for aeolian sand stratum |
| CN113430886A (en) * | 2021-07-05 | 2021-09-24 | 包头市公路工程股份有限公司 | Application of rubber-tyred road roller in building roadbed by aeolian sand |
| CN113914287A (en) * | 2021-11-04 | 2022-01-11 | 山东蔚澜信息科技有限公司 | Tamping device for electric power engineering pole |
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| CN115142397A (en) | 2022-10-04 |
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