CN114953184A - Civil engineering building foundation pile construction equipment and construction method - Google Patents

Civil engineering building foundation pile construction equipment and construction method Download PDF

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Publication number
CN114953184A
CN114953184A CN202210683450.XA CN202210683450A CN114953184A CN 114953184 A CN114953184 A CN 114953184A CN 202210683450 A CN202210683450 A CN 202210683450A CN 114953184 A CN114953184 A CN 114953184A
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China
Prior art keywords
gear
linkage
driving motor
output end
foundation pile
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Granted
Application number
CN202210683450.XA
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Chinese (zh)
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CN114953184B (en
Inventor
谷云双
董超
才石磊
赵冰
秦岩松
李世滨
黄宏宇
赵鸣旭
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Heilongjiang Construction and Installation Group Co Ltd
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Heilongjiang Construction and Installation Group Co Ltd
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Priority to CN202210683450.XA priority Critical patent/CN114953184B/en
Publication of CN114953184A publication Critical patent/CN114953184A/en
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Publication of CN114953184B publication Critical patent/CN114953184B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/10Mixing in containers not actuated to effect the mixing
    • B28C5/12Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B28C5/16Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/0806Details; Accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/0806Details; Accessories
    • B28C5/0831Drives or drive systems, e.g. toothed racks, winches
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04Supplying or proportioning the ingredients
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/16Discharge means, e.g. with intermediate storage of fresh concrete
    • B28C7/162Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C9/00General arrangement or layout of plant
    • B28C9/04General arrangement or layout of plant the plant being mobile, e.g. mounted on a carriage or a set of carriages
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

The invention discloses a civil engineering building foundation pile construction device and a construction method, which relate to the technical field of building engineering and comprise a chassis, wherein a plurality of moving wheels are arranged at the bottom of the chassis, a frame body and an annular cylinder are fixedly connected at the top of the chassis, the top of the annular cylinder is hermetically and slidably connected with a stirring cylinder, the top of the stirring cylinder is communicated with a feeding pipe, the feeding pipe is provided with a feeding valve, a driving motor is connected onto the frame body, and the output end of the driving motor extends into the stirring cylinder. The stirring efficiency of the concrete is improved, so that the construction efficiency is improved.

Description

Civil engineering building foundation pile construction equipment and construction method
Technical Field
The invention relates to the technical field of constructional engineering, in particular to civil engineering building foundation pile construction equipment and a construction method.
Background
The building foundation pile is a supporting member for supporting and fixing in the field of building engineering, and has two parts of hole forming and pile forming during the construction process of the foundation pile, wherein the hole forming is to perform drilling and pouring preparation work at a preset position, and after the hole forming is completed, concrete slurry can be poured into the hole of the foundation pile to complete the pile forming. In the pile forming process, the existing concrete slurry is generally mixed by mixing equipment and then transferred to a construction site, and the concrete is poured, so that the construction efficiency of the foundation pile is reduced.
Through retrieval, the invention patent with the application number of 202010308306.9 granted by China discloses civil engineering building foundation pile construction equipment and a construction method, wherein the construction equipment comprises a movable bottom plate, the upper end of the movable bottom plate is connected with an installation plate … … through a support frame, the upper end of the movable bottom plate rotates simultaneously through a helical blade and a material mixing cylinder with a mixing shifting piece to stir concrete, and the concrete is conveyed through the helical blade and a discharge auger.
In the mode, the first motor drives the helical blade to rotate, and the second motor drives the material mixing barrel with the mixing stirring sheet to rotate, so that the driving burden in the concrete mixing process is increased; when concrete is mixed, the spiral blade has a conveying effect, and when the stirring speed of the spiral blade is high, the concrete tends to move upwards, so that the driving load of the first motor is increased, the stirring effect of the concrete is influenced, the rotating speed of the spiral blade needs to be kept low, the concrete tends to move downwards under the action of gravity, the concrete is stirred and mixed, and the stirring and mixing efficiency of the concrete is low;
the first motor drives the helical blade to rotate and the discharging auger to rotate, so that the driving burden in the concrete conveying process is increased; and when carrying the concrete, because the existence of mixing the plectrum, partial concrete that part pressed close to material mixing barrel wall is not in helical blade's transport range, very easily leads to partial concrete to be detained in material mixing barrel, reduces the utilization ratio to the concrete, increases the clearance burden to material mixing barrel.
Disclosure of Invention
The invention provides civil engineering building foundation pile construction equipment and a construction method, and aims to solve the problem that in the prior art, the driving burden of a concrete mixing process is increased by driving a helical blade to rotate through a first motor and driving a material mixing barrel with a mixing shifting piece to rotate through a second motor.
In order to achieve the purpose, the invention adopts the following technical scheme:
the civil engineering building foundation pile construction equipment comprises a chassis, wherein a plurality of moving wheels are installed at the bottom of the chassis, a frame body and an annular cylinder are fixedly connected to the top of the chassis, the top of the annular cylinder is hermetically and slidably connected with a stirring cylinder, the top of the stirring cylinder is communicated with a feeding pipe, the feeding pipe is provided with a feeding valve, the frame body is connected with a driving motor, the output end of the driving motor extends into the stirring cylinder and is coaxially and fixedly connected with an outer spiral blade, the stirring cylinder is rotatably connected with an inner spiral blade, the output end of the driving motor is connected with a linkage assembly, the output end of the linkage assembly penetrates through the top of the stirring cylinder and is connected with the inner spiral blade, the frame body is connected with a control mechanism, the output end of the control mechanism is connected to the outer side of the stirring cylinder, the top of the stirring cylinder is communicated with a material conveying hose, and the frame body is fixedly connected with a placing frame, one end of the conveying hose, far away from the communicated stirring drum, is coiled on the placing frame, and is provided with a discharge valve.
Preferably, the top and the bottom of the mixing drum are cylindrical, the middle of the mixing drum is in a circular truncated cone shape, the cylindrical diameter of the top is smaller than that of the bottom, the inner spiral blades are coaxially and fixedly connected to the inner side of the circular truncated cone-shaped drum wall in the middle of the mixing drum, and the material conveying hose is communicated with the outer side of the cylindrical drum wall at the top of the mixing drum.
Preferably, the bottom of the wall of the stirring cylinder is coaxially provided with an annular groove, the top of the inner part of the annular groove is fixedly connected with a buffer block, and the top of the annular cylinder is in sealing sliding fit with the annular groove.
Preferably, the linkage assembly comprises a driving gear, a linkage gear and a linkage frame, the driving gear is coaxially connected to the output end of the driving motor, and a clutch is arranged between the driving gear and the output end of the driving motor, a linkage gear is engaged with the outer peripheral side of the driving gear, the bottom end of the linkage frame penetrates through the top end of the mixing drum in a sealing manner and is coaxially and fixedly connected with the inner spiral blades, the top of the top part of the linkage frame extending out of the mixing drum is fixedly connected with a first inner gear ring, the bottom of the linkage frame is fixedly connected with a second inner gear ring, the driving gear is initially meshed with the first inner gear ring, the linkage gear is meshed and matched with the second inner gear ring in the vertical direction, and the linkage frame moves up and down, so that the driving gear drives the second inner gear ring to rotate reversely through the linkage gear or the driving gear directly drives the first inner gear ring to rotate synchronously and in the same direction, and the inner spiral blades are convenient to match with the outer spiral blades to stir and convey concrete.
Preferably, drive gear axial length is greater than linkage gear axial length, the equal fixedly connected with guide block in bottom of the bottom of first ring gear tooth, the top of drive gear tooth, the top of second ring gear tooth and the bottom of linkage gear tooth, it is a plurality of the guide block all is the triangle-shaped, and keeps away from tooth one end and be the chamfer shape, and the guide block is used for guiding the intermeshing of first ring gear and drive gear, second ring gear and linkage gear.
Preferably, control mechanism is including control air pump, ring pipe, sealing cylinder and flexible post, the control air pump is installed on the support body, control air pump output intercommunication has the ring pipe, ring pipe fixed connection is on the support body, ring socle portion intercommunication has a plurality of sealing cylinders, sealing cylinder bottom inner seal sliding connection has flexible post, fixedly connected with buffer spring between top in flexible capital portion and the sealing cylinder, it is a plurality of the equal fixed connection of flexible capital portion is on the churn middle part circular truncated cone section of thick bamboo wall outside, and control air pump work for moving down and moving up of control churn conveniently cooperates outer helical blade and inner helical blade and stirs the concrete and carry the action.
Preferably, install the relief valve on the ring-shaped pipe, it is a plurality of sealed section of thick bamboo is circular array and distributes on the ring-shaped pipe, and the relief valve is used for controlling the pressure in the annular, avoids pressure too big to make each part load increase cause the damage.
A construction method of civil engineering building foundation pile construction equipment comprises the following steps:
s1, moving the chassis to be close to the hole of the foundation pile, opening a feed valve, adding concrete materials into the mixing drum from a feed pipe, and closing the feed valve;
s2, starting a control air pump, controlling the air pump to output negative pressure into the plurality of sealing drums through the annular pipes, pulling the telescopic columns and the rotating frame to move upwards, further pulling the mixing drum to move upwards, enabling a second inner gear ring on the linkage frame on the mixing drum to be meshed with the linkage gear, and closing a clutch between the driving gear and the output end of the driving motor;
s3, starting a driving motor, wherein the output end of the driving motor directly drives the outer helical blade to rotate forward, and the output end of the driving motor drives the inner helical blade to rotate reversely through a linkage assembly, so as to carry out concrete mixing operation;
s4, switching off the clutch, reducing the output power of the driving motor, pulling the output end of the material conveying hose to the hole of the foundation pile to be poured, opening the discharge valve, starting the control air pump, controlling the air pump to output positive pressure to the plurality of sealing cylinders through the annular pipe, pushing the telescopic column and the rotating frame to move downwards, further pushing the stirring cylinder to move downwards, enabling the first inner gear ring on the linkage frame on the stirring cylinder to be meshed with the driving gear, closing the clutch between the driving gear and the output end of the driving motor, driving the outer helical blades and the inner helical blades to synchronously rotate in the same direction through the output end of the driving motor, carrying out concrete conveying operation, and pouring construction on the hole of the foundation pile through the material conveying hose.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention controls the air pump to move the mixing drum upwards, so that the second inner gear ring on the linkage frame on the mixing drum is meshed with the linkage gear, the clutch is closed, the driving motor is started, the output end of the driving motor drives the outer helical blades to rotate, the outer helical blades stir and push the concrete raw materials upwards, meanwhile, the output end of the driving motor drives the inner spiral blades to rotate reversely through the driving gear, the linkage gear and the second inner gear ring, the inner spiral blades stir and push the concrete downwards, after the mixing drum moves upwards, the gap between the outer spiral blade and the inner spiral blade is increased, and the concrete pushed upwards by the outer spiral blade is quickly pushed downwards by the inner spiral blade from the gap, so that the flowing speed of the concrete is further accelerated, a double and cyclic mixing effect is formed, the mixing efficiency of the concrete is improved, and the construction efficiency is improved; the outer helical blade and the inner helical blade are driven by the driving motor to stir the concrete, so that the driving burden is reduced.
2. After concrete is stirred, the clutch is disconnected, the output power of the driving motor is reduced, the control air pump is started again, the stirring cylinder is driven to move downwards, finally, the inner spiral blade is matched with the outer spiral blade which rotates slowly, when the stirring cylinder moves downwards, the first inner gear ring on the linkage frame is meshed with the driving gear, the clutch is closed again, the output end of the driving motor rotates to drive the outer spiral blade and the inner spiral blade to rotate synchronously and in the same direction, therefore, an upward pushing effect is formed on concrete in the stirring cylinder, the conveying hose is pulled to a foundation pile hole which needs to be poured, and the discharge valve is opened, so that the pouring construction of a concrete foundation pile can be carried out, and the construction is convenient and rapid; the outer helical blade and the inner helical blade are driven by the driving motor simultaneously to convey concrete, so that the driving burden is reduced.
3. When the lifting acting force of the outer helical blade and the inner helical blade on the concrete is overlarge, the stirring cylinder is pushed upwards to further increase the air pressure in the sealing cylinder and the annular pipe, and the pressure relief valve arranged on the annular pipe is communicated to reduce the pressure to enable the stirring cylinder to move upwards, so that damage caused by the increase of the load of each part can be avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the engagement of the outer helical blade and the inner helical blade of the present invention;
FIG. 3 is a top view of the linkage assembly of the present invention.
In the figure: 1 chassis, 2 frame bodies, 3 annular cylinders, 4 mixing cylinders, 41 feeding pipes, 42 internal spiral blades, 5 driving motors, 51 external spiral blades, 6 linkage components, 61 driving gears, 62 linkage gears, 63 linkage frames, 631 first internal gear rings, 632 second internal gear rings, 7 control mechanisms, 71 control air pumps, 72 annular pipes, pressure relief valves 721, 73 sealing cylinders, 74 telescopic columns, 741 buffer springs, 8 conveying hoses and 81 placing frames.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a civil engineering construction foundation pile construction equipment includes a chassis 1, a plurality of moving wheels are installed at the bottom of the chassis 1, and the chassis 1 and components thereon are conveniently moved.
1 top fixedly connected with support body 2 and an annular cylinder 3 on chassis, 3 top seal sliding connection of an annular cylinder have a churn 4, and the ring channel has been seted up to 4 section of thick bamboo wall bottoms of churn coaxially, and top fixedly connected with buffer block in the ring channel, annular cylinder 331 top and the sealed sliding fit of ring channel make things convenient for churn 4 to slide in vertical direction.
The top of the mixing drum 4 is communicated with a feed pipe 41, the feed pipe 41 is provided with a feed valve, the top and the bottom of the mixing drum 4 are cylindrical, the middle part of the mixing drum is in a circular truncated cone shape, the cylindrical diameter of the top part of the mixing drum is smaller than that of the bottom part of the mixing drum, the feed pipe 41 is communicated with the cylindrical wall of the top part of the mixing drum 4, and the feed valve is used for controlling concrete raw materials to enter the mixing drum 4 and the annular drum 3.
Be connected with driving motor 5 on the support body 2, driving motor 5 output stretches into in the churn 4, and coaxial fixedly connected with outer helical blade 51, outer helical blade 51 includes bottom constant diameter equidistance helical blade and top reducing equidistance helical blade, bottom constant diameter equidistance helical blade radius equals the cylindrical section of thick bamboo wall in churn 4 bottoms, the radius equal proportion that the vertical corresponding position of top reducing equidistance helical blade is less than the radius of 4 middle part round platform shape section of thick bamboo walls of churn, improve the matching effect of outer helical blade 51 and churn 4, guarantee outer helical blade 51's working effect.
An inner spiral blade 42 is rotatably connected to the mixing drum 4, wherein the inner spiral blade 42 is coaxially and fixedly connected to the inner side of the circular truncated cone-shaped drum wall in the middle of the mixing drum 4, the inner spiral blade 42 is a variable-diameter equidistant spiral blade, the inner peripheral side of the variable-diameter equidistant spiral blade is matched with the outer spiral blade 51, the inner spiral blade 42 and the outer spiral blade 51 can work together conveniently, and the working effect is improved.
The output end of the driving motor 5 is connected with a linkage component 6, the output end of the linkage component 6 penetrates through the top of the mixing drum 4 and is connected with the inner spiral blade 42, the linkage component 6 comprises a driving gear 61, a linkage gear 62 and a linkage frame 63, the driving gear 61 is coaxially connected with the output end of the driving motor 5, a clutch is arranged between the driving gear 61 and the output end of the driving motor 5, the clutch adopts the prior art and is used for controlling whether the driving gear 61 is linked with the output end of the driving motor 5, the periphery of the driving gear 61 is meshed with the linkage gear 62, the bottom end of the linkage frame 63 penetrates through the top end of the mixing drum 4 in a sealing manner and is coaxially and fixedly connected with the inner spiral blade 42, the top of the top part of the mixing drum 4, the linkage frame 63 extends out of the mixing drum 4, the bottom is fixedly connected with a first inner gear ring 631, the bottom is fixedly connected with a second inner gear 632, the driving gear 621 is initially meshed with the first inner gear 631, the linkage gear 62 is meshed with the second inner gear 632 in the vertical direction, under the clutch closing state, the driving motor 5 can drive the inner helical blade 42 to rotate reversely through the driving gear 61, the linkage gear 62 and the second inner gear ring 632, and is used for forming a circulating stirring effect on the concrete in the stirring cylinder 4 by matching with the outer helical blade 51 rotating in the forward direction, the driving motor 5 can drive the inner helical blade 42 to synchronously rotate in the same direction through the driving gear 61 and the first inner gear ring 631, and is used for forming an upward pushing effect on the concrete in the stirring cylinder 4 by matching with the outer helical blade 51 rotating in the forward direction, so that the mixed concrete is conveniently output.
The axial length of the driving gear 61 is greater than that of the linkage gear 62, so that the driving gear 61 is reserved with a part meshed with the first inner gear ring 631, the bottoms of the teeth of the first inner gear ring 631, the tops of the teeth of the driving gear 61, the tops of the teeth of the second inner gear ring 632 and the bottoms of the teeth of the linkage gear 62 are fixedly connected with guide blocks, the plurality of guide blocks are triangular, one ends of the guide blocks far away from the teeth are in a shape of a circular inverted angle, and the guide blocks are used for guiding the first inner gear ring 631 to be meshed with the driving gear 61, the second inner gear ring 632 and the linkage gear 62.
The frame body 2 is connected with a control mechanism 7, the output end of the control mechanism 7 is connected to the outer side of the mixing drum 4, the control mechanism 7 comprises a control air pump 71, an annular pipe 72, a sealing drum 73 and telescopic columns 74, the control air pump 71 is installed on the frame body 2, the output end of the control air pump 71 is communicated with the annular pipe 72, the annular pipe 72 is fixedly connected to the frame body 2, the bottom of the annular pipe 72 is communicated with a plurality of sealing drums 73, the inner part of the bottom of the sealing drum 73 is hermetically and slidably connected with the telescopic columns 74, a buffer spring 741 is fixedly connected between the top of the telescopic columns 74 and the inner part of the sealing drum 73, the bottoms of the telescopic columns 74 are fixedly connected to the outer side of the middle circular truncated cone wall of the mixing drum 4, the control air pump 71 works, the output end of the control air pump forms positive pressure or negative pressure in the plurality of sealing drums 73 through the annular pipe 72, thereby controlling the plurality of telescopic columns 74 to move downwards or upwards for controlling the mixing drum 4 to move downwards and upwards, the outer spiral blade 51 and the inner spiral blade 42 are conveniently matched to stir and convey the concrete.
The annular pipe 72 is provided with a pressure release valve 721, and the plurality of sealing cylinders 73 are distributed on the annular pipe 72 in a circular array and used for controlling the pressure in the annular pipe 72 and avoiding damage caused by increased load of each part due to overlarge pressure.
4 top intercommunications of churn have defeated material hose 8, fixedly connected with rack 81 on the support body 2, 4 one end coils on rack 81 of churn are kept away from to defeated material hose 8, and install the bleeder valve, wherein defeated material hose 8 intercommunication is in the cylindrical section of thick bamboo wall in 4 tops of churn outside, when concrete mixing is good and has delivery pressure in churn 4, can open the bleeder valve, fill the operation through defeated material hose 8 to the foundation pile.
A construction method of civil engineering construction foundation pile construction equipment comprises the following steps:
s1, moving the chassis 1 to be close to the foundation pile hole, opening a feed valve, adding concrete materials into the mixing drum 4 from a feed pipe, and closing the feed valve;
s2, starting the control air pump 71, wherein the control air pump 71 outputs negative pressure into the plurality of sealing drums 73 through the annular pipe 72, pulls the telescopic columns 74 and the rotating frames 75 to move upwards, further pulls the mixing drum 4 to move upwards, enables the second inner gear ring 632 on the linkage frame 63 on the mixing drum 4 to be meshed with the linkage gear 62, and closes the clutch between the driving gear 61 and the output end of the driving motor 5;
s3, starting the driving motor 5, wherein the output end of the driving motor 5 directly drives the outer helical blade 51 to rotate in the forward direction, and the output end of the driving motor 5 drives the inner helical blade 42 to rotate in the reverse direction through the linkage assembly 6, so as to perform concrete mixing operation;
s4, disconnecting the clutch, reducing the output power of the driving motor 5, pulling the output end of the delivery hose 8 to the hole of the foundation pile to be poured, opening the discharge valve, starting the control air pump 71, outputting positive pressure to the plurality of sealing cylinders 73 through the annular pipe 72 by the control air pump 71, pushing the telescopic column 74 and the rotating frame 75 to move downwards, further pushing the mixing cylinder 4 to move downwards, enabling the first inner gear ring 631 on the linkage frame 63 on the mixing cylinder 4 to be meshed with the driving gear 61, closing the clutch between the driving gear 61 and the output end of the driving motor 5, driving the outer helical blades 51 and the inner helical blades 42 to synchronously rotate in the same direction by the output end of the driving motor 5, carrying out concrete conveying operation, and pouring construction on the hole of the foundation pile through the delivery hose 8.
During construction, the feeding valve on the feeding pipe 41 is opened, concrete material is introduced into the mixing drum 4 and the annular drum 3 from the feeding pipe 41, the air pump 71 in the control mechanism 7 is started, the air pump 71 is controlled to output negative pressure to the plurality of sealing drums 73 through the annular pipe 72, the plurality of telescopic columns 74 are pulled to move upwards by overcoming the elastic force of the buffer spring 741, so that the mixing drum 4 is pulled to move upwards, at the moment, the second inner gear ring 632 on the linkage frame 63 on the mixing drum 4 moves upwards, the second inner gear ring 632 is meshed with the linkage gear 62 under the guiding action of the guide block, the clutch between the driving gear 61 and the output end of the driving motor 5 is closed, the driving motor 5 is started again, the output end of the driving motor 5 drives the outer helical blades 51 to rotate, the outer helical blades 51 stir and push the concrete material upwards, and the inner helical blades 42 are driven to rotate reversely by the driving gear 61, the linkage gear 62 and the second inner gear ring 632, the inner spiral blade 42 stirs and pushes the concrete downwards, after the mixing drum 4 moves upwards, the gap between the outer spiral blade 51 and the inner spiral blade 42 is increased, the concrete pushed upwards by the outer spiral blade 51 can be quickly pushed downwards from the gap by the inner spiral blade 42, the flowing speed of the concrete is further accelerated, a double and circular stirring effect is formed, the stirring efficiency of the concrete is improved, and the construction efficiency is improved;
after the concrete is stirred, the clutch is disconnected, the driving gear 61 is temporarily disconnected with the output end of the driving motor 5, the output power of the driving motor 5 is reduced, the material conveying hose 8 is pulled to a foundation pile hole to be poured, the discharge valve is opened, the control air pump 71 is started again, the control air pump 71 outputs positive pressure to the plurality of sealing cylinders 73 through the annular pipe 72, the telescopic columns 74 are pushed to move downwards by overcoming the elasticity of the buffer spring 741, the plurality of telescopic columns 74 drive the rotating frame 75 to move downwards, the rotating frame 75 drives the stirring cylinder 4 to move downwards, because the rotation of the inner spiral blade 42 is not limited at this time, the inner spiral blade 42 is finally matched with the outer spiral blade 51 which rotates slowly, when the stirring cylinder 4 moves downwards, the first inner gear ring 631 on the linkage frame 63 moves downwards, and under the guiding action of the guide block, the first inner gear ring 631 is meshed with the driving gear 61, the clutch is closed again, the output end of the driving motor 5 rotates to drive the outer helical blade 51 and the inner helical blade 42 to synchronously rotate in the same direction, so that an upward pushing effect is formed on the concrete in the mixing drum 4, the pouring construction of the concrete foundation pile can be carried out, and the construction is convenient and rapid;
moreover, when the lifting acting force of the outer spiral blades 51 and the inner spiral blades 42 on the concrete is too large, an upward pushing acting force is generated on the mixing drum 4, the air pressure in the sealing drum 73 and the annular pipe 72 is further increased, the pressure release valve 721 arranged on the annular pipe 72 is communicated, the pressure is reduced, the mixing drum 4 moves upwards, and damage caused by the increase of the load of each part can be avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The civil engineering building foundation pile construction equipment comprises a chassis (1), wherein a plurality of movable wheels are installed at the bottom of the chassis (1), and is characterized in that a frame body (2) and an annular cylinder (3) are fixedly connected to the top of the chassis (1), the top of the annular cylinder (3) is hermetically and slidably connected with a stirring cylinder (4), the top of the stirring cylinder (4) is communicated with a feeding pipe (41), a feeding valve is installed on the feeding pipe (41), a driving motor (5) is connected onto the frame body (2), the output end of the driving motor (5) extends into the stirring cylinder (4), an outer spiral blade (51) is coaxially and fixedly connected with the stirring cylinder (4), an inner spiral blade (42) is rotatably connected onto the stirring cylinder (4), the output end of the driving motor (5) is connected with a linkage component (6), the output end of the linkage component (6) penetrates through the top of the stirring cylinder (4) and is connected with the inner spiral blade (42), be connected with control mechanism (7) on support body (2), control mechanism (7) output is connected in the churn (4) outside, churn (4) top intercommunication has defeated material hose (8), fixedly connected with rack (81) on support body (2), defeated material hose (8) are kept away from churn (4) one end and are coiled on rack (81), and install the bleeder valve.
2. The civil engineering building foundation pile construction equipment according to claim 1, wherein the top and bottom of the mixing drum (4) are cylindrical, and the middle part is in a circular truncated cone shape, wherein the diameter of the cylindrical top part is smaller than that of the cylindrical bottom part, wherein the inner helical blade (42) is coaxially and fixedly connected to the inner side of the circular truncated cone-shaped drum wall in the middle part of the mixing drum (4), and wherein the delivery hose (8) is communicated with the outer side of the cylindrical drum wall at the top part of the mixing drum (4).
3. The civil engineering construction foundation pile construction equipment as claimed in claim 2, wherein the bottom of the wall of the mixing drum (4) is coaxially provided with an annular groove, the top of the annular groove is fixedly connected with a buffer block, and the top of the annular drum (331) is in sealing sliding fit with the annular groove.
4. The civil engineering construction foundation pile construction equipment of claim 2, the linkage assembly (6) comprises a driving gear (61), a linkage gear (62) and a linkage frame (63), the driving gear (61) is coaxially connected to the output end of the driving motor (5), a clutch is arranged between the driving gear and the output end of the driving motor (5), a linkage gear (62) is meshed with the outer peripheral side of the driving gear (61), the bottom end of the linkage frame (63) hermetically penetrates through the top end of the mixing drum (4) and is coaxially and fixedly connected with the inner helical blade (42), the top of the top part of the linkage frame (63) extending out of the mixing drum (4) is fixedly connected with a first inner gear ring (631), the bottom is fixedly connected with a second inner gear ring (632), the driving gear (621) initially intermeshes with the first ring gear (631), the linkage gear (62) is meshed and matched with the second inner gear ring (632) in the vertical direction.
5. The civil engineering building foundation pile construction equipment of claim 4, wherein the axial length of the driving gear (61) is greater than the axial length of the linkage gear (62), the bottom of the teeth of the first inner gear ring (631), the top of the teeth of the driving gear (61), the top of the teeth of the second inner gear ring (632) and the bottom of the teeth of the linkage gear (62) are fixedly connected with guide blocks, the plurality of guide blocks are triangular, and one end of each guide block, which is far away from the teeth, is in a shape of a rounded inverted angle.
6. The civil engineering building foundation pile construction equipment according to claim 2, wherein the control mechanism (7) comprises a control air pump (71), an annular pipe (72), a sealing cylinder (73) and a telescopic column (74), the control air pump (71) is installed on the frame body (2), the output end of the control air pump (71) is communicated with the annular pipe (72), the annular pipe (72) is fixedly connected to the frame body (2), the bottom of the annular pipe (72) is communicated with a plurality of sealing cylinders (73), the bottom of each sealing cylinder (73) is internally and slidably connected with the telescopic column (74), a buffer spring (741) is fixedly connected between the top of each telescopic column (74) and the inner top of each sealing cylinder (73), and the bottoms of the telescopic columns (74) are fixedly connected to the outer side of the circular truncated cone-shaped cylinder wall in the middle of the stirring cylinder (4).
7. The civil engineering construction foundation pile construction equipment of claim 6, wherein the annular pipe (72) is provided with a pressure relief valve (721), and the plurality of sealing cylinders (73) are distributed on the annular pipe (72) in a circular array.
8. A construction method of civil engineering construction foundation pile construction equipment is characterized by comprising the following steps:
s1, moving the chassis (1) to be close to the foundation pile hole, opening a feed valve, adding concrete materials into the mixing drum (4) from a feed pipe, and closing the feed valve;
s2, starting a control air pump (71), wherein the control air pump (71) outputs negative pressure into a plurality of sealing drums (73) through an annular pipe (72), pulls a telescopic column (74) and a rotating frame (75) to move upwards, and further pulls a stirring drum (4) to move upwards, so that a second inner gear ring (632) on a linkage frame (63) on the stirring drum (4) is meshed with a linkage gear (62), and a clutch between a driving gear (61) and the output end of a driving motor (5) is closed;
s3, starting a driving motor (5), wherein the output end of the driving motor (5) directly drives the outer spiral blade (51) to rotate in the forward direction, and the output end of the driving motor (5) drives the inner spiral blade (42) to rotate in the reverse direction through a linkage assembly (6) to perform concrete mixing operation;
s4, the clutch is disconnected, the output power of the driving motor (5) is reduced, the output end of the material conveying hose (8) is pulled to a foundation pile hole needing to be poured, the discharge valve is opened, the control air pump (71) is started, the control air pump (71) outputs positive pressure to a plurality of sealing cylinders (73) through the annular pipe (72) to push the telescopic column (74) and the rotating frame (75) to move downwards, further pushing the mixing drum (4) to move downwards to enable the first inner gear ring (631) on the linkage frame (63) on the mixing drum (4) to be meshed with the driving gear (61), and closing a clutch between the driving gear (61) and the output end of the driving motor (5), driving the outer helical blade (51) and the inner helical blade (42) to synchronously rotate in the same direction by the output end of the driving motor (5), carrying out concrete conveying operation, and carrying out pouring construction on the hole of the foundation pile through the conveying hose (8).
CN202210683450.XA 2022-06-17 2022-06-17 Civil engineering building foundation pile construction equipment and construction method Active CN114953184B (en)

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