CN114953184B - Civil engineering building foundation pile construction equipment and construction method - Google Patents
Civil engineering building foundation pile construction equipment and construction method Download PDFInfo
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- CN114953184B CN114953184B CN202210683450.XA CN202210683450A CN114953184B CN 114953184 B CN114953184 B CN 114953184B CN 202210683450 A CN202210683450 A CN 202210683450A CN 114953184 B CN114953184 B CN 114953184B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus 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
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing 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
- B28C5/16—Mixing 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus 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
- B28C5/0806—Details; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus 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
- B28C5/0806—Details; Accessories
- B28C5/0831—Drives or drive systems, e.g. toothed racks, winches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling 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
- B28C7/04—Supplying or proportioning the ingredients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling 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
- B28C7/16—Discharge means, e.g. with intermediate storage of fresh concrete
- B28C7/162—Discharge 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C9/00—General arrangement or layout of plant
- B28C9/04—General arrangement or layout of plant the plant being mobile, e.g. mounted on a carriage or a set of carriages
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use 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 construction equipment and a construction method for a civil engineering building foundation pile, 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 to the top of the chassis, a stirring cylinder is connected to the top of the annular cylinder in a sealing sliding manner, a feeding pipe is communicated to the top of the stirring cylinder, a feeding valve is arranged on the feeding pipe, a driving motor is connected to the frame body, the output end of the driving motor stretches into the stirring cylinder.
Description
Technical Field
The invention relates to the technical field of building engineering, in particular to construction equipment and a construction method for a civil engineering building foundation pile.
Background
The building foundation pile is a supporting member used for supporting and fixing in the field of building engineering, and in the foundation pile construction process, the building foundation pile comprises two parts, namely hole forming and pile forming, wherein the hole forming is performed at a preset position for drilling and pouring preparation, and after the hole forming is completed, concrete slurry can be poured into the hole of the foundation pile to complete pile forming. In the pile forming process, the existing concrete slurry is usually mixed by mixing equipment and then transported to a construction site, and the construction efficiency of foundation piles is reduced by pouring concrete.
Through searching, the patent of the invention granted by China with the application number of 202010308306.9 discloses construction equipment and a construction method of foundation piles of civil engineering buildings, wherein the construction equipment comprises a movable bottom plate, the upper end of the movable bottom plate is connected with a mounting plate … … through a supporting frame, concrete is stirred by rotating a spiral blade and a material mixing drum with a mixing pulling piece at the same time, and the concrete is conveyed by the spiral blade and a discharging auger.
In the mode, the helical blade is driven by the first motor to rotate, and the material mixing drum with the mixing pulling piece is driven by the second motor to rotate, so that the driving load in the concrete stirring process is increased; when the concrete is mixed, as the spiral blade has a conveying effect, 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 lower rotating speed of the spiral blade is required to be kept, the concrete tends to move downwards under the action of gravity, the stirring and mixing of the concrete are formed, and the stirring and mixing efficiency of the concrete is lower;
the spiral blade is driven to rotate by the first motor, and the discharging auger rotates, so that the driving load in the concrete conveying process is increased; and when carrying the concrete, because the existence of mixing plectrum, part of the concrete that is close to the material mixing section of thick bamboo wall is not in helical blade's transportation scope, very easily leads to partial concrete to be detained in the material mixing section of thick bamboo, reduces the utilization ratio to the concrete, increases the clearance burden to the material mixing section of thick bamboo.
Disclosure of Invention
The invention provides construction equipment and a construction method for a civil engineering building foundation pile, and aims to solve the problem that in the prior art, driving load in the concrete stirring process is increased by driving a spiral blade to rotate through a first motor and driving a material mixing drum with a mixing pulling piece to rotate through a second motor.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a civil engineering building foundation pile construction equipment, includes the chassis, a plurality of removal wheels are installed to the chassis bottom, chassis top fixedly connected with support body and annular section of thick bamboo, annular section of thick bamboo top sealed sliding connection has the churn, churn top intercommunication has the inlet pipe, the feed valve is installed to the inlet pipe, be connected with driving motor on the support body, the driving motor output stretches into in the churn, and coaxial fixedly connected with outer helical blade, rotate on the churn and be connected with interior helical blade, the driving motor output is connected with linkage subassembly, linkage subassembly output runs through the churn top and is connected with interior helical blade, be connected with control mechanism on the support body, the control mechanism output is connected in the churn outside, churn top intercommunication has the delivery hose, fixedly connected with rack on the support body, delivery hose keeps away from intercommunication churn one end and winds on the rack, and installs the bleeder valve.
Preferably, the top and the bottom of the stirring cylinder are cylindrical, the middle part of the stirring cylinder is in a truncated cone shape, the diameter of the top cylinder is smaller than that of the bottom cylinder, the inner spiral blades are coaxially and fixedly connected to the inner side of the truncated cone-shaped cylinder wall of the middle part of the stirring cylinder, and the material conveying hose is communicated to the outer side of the cylindrical cylinder wall of the top of the stirring cylinder.
Preferably, the bottom of the wall of the stirring cylinder is coaxially provided with an annular groove, the inner top 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, wherein the driving gear is coaxially connected to the output end of the driving motor, a clutch is arranged between the driving gear and the output end of the driving motor, the linkage gear is meshed with the periphery side of the driving gear, the bottom end of the linkage frame penetrates through the top end of the stirring cylinder in a sealing mode and is coaxially and fixedly connected with the inner spiral blade, the first annular gear is fixedly connected to the top of the part of the linkage frame, which extends out of the top end of the stirring cylinder, the second annular gear is fixedly connected to the bottom of the part of the linkage frame, the driving gear is initially meshed with the first annular gear, the linkage gear is meshed with the second annular gear in the vertical direction, the linkage frame moves up and down, the driving gear drives the second annular gear to reversely rotate or the driving gear directly drives the first annular gear to synchronously and co-rotate, and the inner spiral blade is convenient to stir and convey concrete by matching with the outer spiral blade.
Preferably, the axial length of the driving gear is greater than that of the linkage gear, guide blocks are fixedly connected to the bottom of the first annular gear, the top of the driving gear teeth, the top of the second annular gear and the bottom of the linkage gear teeth, the guide blocks are triangular, one ends far away from the teeth are round chamfer-shaped, and the guide blocks are used for guiding the first annular gear, the driving gear, the second annular gear and the linkage gear to be meshed with each other.
Preferably, the control mechanism comprises a control air pump, an annular pipe, a sealing cylinder and a telescopic column, wherein the control air pump is arranged on a frame body, the output end of the control air pump is communicated with the annular pipe, the annular pipe is fixedly connected to the frame body, a plurality of sealing cylinders are communicated to the bottom of the annular pipe, the sealing cylinders are internally and slidably connected with the telescopic column in the bottom of the sealing cylinders, a buffer spring is fixedly connected between the top of the telescopic column and the inner top of the sealing cylinder, the bottom of the telescopic column is fixedly connected to the outer side of the circular truncated cone-shaped cylinder wall in the middle of the stirring cylinder, the control air pump works and is used for controlling the downward movement and upward movement of the stirring cylinder, and the outer spiral blades and the inner spiral blades are conveniently matched to stir and convey concrete.
Preferably, the annular pipe is provided with a pressure release valve, a plurality of sealing cylinders are distributed on the annular pipe in a circular array, and the pressure release valve is used for controlling the pressure in the annular, so that damage caused by the increase of the load of each part due to overlarge pressure is avoided.
The construction method of the civil engineering building foundation pile construction equipment comprises the following steps:
s1, moving a chassis to the vicinity of a foundation pile hole, opening a feed valve, adding concrete materials into a 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 a plurality of sealing cylinders through an annular pipe, pulling a telescopic column and a rotating frame to move upwards, and further pulling a stirring cylinder to move upwards, so that a second annular gear on a linkage frame on the stirring cylinder is meshed with a linkage gear, and a clutch between a driving gear and the output end of a driving motor is closed;
s3, starting a driving motor, wherein the output end of the driving motor directly drives the outer helical blade to rotate in the forward direction, and the output end of the driving motor drives the inner helical blade to rotate in the reverse direction through a linkage assembly so as to perform concrete stirring operation;
s4, the clutch is disconnected, the output power of the driving motor is reduced, the output end of the material conveying hose is pulled into a foundation pile hole to be poured, the discharge valve is opened, the control air pump is started, the control air pump outputs positive pressure into a plurality of sealing cylinders through the annular pipe, the telescopic column and the rotating frame are pushed to move downwards, the stirring cylinder is pushed to move downwards, the first annular gear on the linkage frame on the stirring cylinder is meshed with the driving gear, the clutch between the driving gear and the output end of the driving motor is closed, the output end of the driving motor drives the outer helical blade and the inner helical blade to synchronously rotate in the same direction, concrete conveying operation is carried out, and pouring construction is carried out on the foundation pile hole through the material conveying hose.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the air pump is controlled to move the mixing drum upwards, so that the second annular gear on the linkage frame on the mixing drum is meshed with the linkage gear, the clutch is closed, the driving motor is started again, the driving motor output end drives the outer helical blade to rotate, the outer helical blade stirs and pushes the concrete raw material upwards, meanwhile, the driving motor output end drives the inner helical blade to reversely rotate through the driving gear, the linkage gear and the second annular gear, the inner helical blade stirs and pushes the concrete downwards, and after the mixing drum moves upwards, the gap between the outer helical blade and the inner helical blade is increased, the concrete pushed upwards by the outer helical blade can be pushed downwards from the gap rapidly, so that the flow rate of the concrete is further accelerated, a double and circulating stirring effect is formed, the stirring efficiency of the concrete is improved, and the construction efficiency is improved; only the driving motor is adopted to drive the outer helical blade and the inner helical blade simultaneously to stir concrete, so that the driving load is reduced.
2. After the 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, the inner spiral blade is finally matched with the outer spiral blade which rotates slowly, when the stirring cylinder moves downwards, the first annular gear on the linkage frame is meshed with the driving gear, the clutch is closed again, the output end of the driving motor rotates, the outer spiral blade and the inner spiral blade are driven to rotate synchronously and in the same direction, so that an upward pushing effect is formed on the concrete in the stirring cylinder, the material conveying hose is pulled into a foundation pile hole to be poured, the discharge valve is opened, pouring construction of the concrete foundation pile can be carried out, and the construction is convenient and quick; only the driving motor is adopted to drive the outer helical blade and the inner helical blade simultaneously to carry out the concrete conveying work, so that the driving load is reduced.
3. According to the invention, when the lifting acting force of the outer spiral blade and the inner spiral blade on the concrete is overlarge, upward pushing acting force is generated on the stirring cylinder, so that the air pressure in the sealing cylinder and the annular pipe is further increased, at the moment, the pressure release valve arranged on the annular pipe is conducted, the pressure is reduced, the stirring cylinder is moved upwards, and the damage caused by the increase of the load of each part can be avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic illustration of the mating of the outer and inner helical blades of the present invention;
fig. 3 is a schematic top view of the linkage assembly of the present invention.
In the figure: the device comprises a chassis 1, a frame body 2, an annular cylinder 3, a stirring cylinder 4, a feeding pipe 41, an inner helical blade 42, a driving motor 5, an outer helical blade 51, a linkage assembly 6, a driving gear 61, a linkage gear 62, a linkage frame 63, a first annular gear 631, a second annular gear 632, a control air pump 71, an annular pipe 72, a decompression valve 721, a sealing cylinder 73, a telescopic column 74, a buffer spring 741, a conveying hose 8 and a placing frame 81.
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.
Referring to fig. 1-3, a construction equipment for foundation piles of civil engineering construction comprises a chassis 1, wherein a plurality of moving wheels are arranged at the bottom of the chassis 1, so that the chassis 1 and parts on the chassis are convenient to move.
The chassis 1 top fixedly connected with support body 2 and annular section of thick bamboo 3, annular section of thick bamboo 3 top sealing sliding connection has churn 4, and the coaxial ring channel that has seted up in churn 4 section of thick bamboo wall bottom, the interior top fixedly connected with buffer block of ring channel, annular section of thick bamboo 3 top and the sealed sliding fit of ring channel make things convenient for churn 4 to slide in vertical direction.
The feed pipe 41 is communicated with the top of the mixing drum 4, 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 round table shape, the diameter of the top cylinder is smaller than that of the bottom cylinder, the feed pipe 41 is communicated with the outer side of the cylindrical wall of the top 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.
The frame body 2 is connected with a driving motor 5, the output end of the driving motor 5 extends into the stirring cylinder 4, and is coaxially and fixedly connected with an outer helical blade 51, the outer helical blade 51 comprises a bottom equal-diameter equidistant helical blade and a top variable-diameter equidistant helical blade, the radius of the bottom equal-diameter equidistant helical blade is equal to the radius of the cylindrical wall at the bottom of the stirring cylinder 4, the equal proportion of the radius of the vertical corresponding position of the top variable-diameter equidistant helical blade is smaller than the radius of the circular truncated cone-shaped wall at the middle part of the stirring cylinder 4, the matching effect of the outer helical blade 51 and the stirring cylinder 4 is improved, and the working effect of the outer helical blade 51 is guaranteed.
The inner helical blade 42 is rotationally connected to the stirring cylinder 4, wherein the inner helical blade 42 is coaxially and fixedly connected to the inner side of the circular truncated cone-shaped cylinder wall in the middle of the stirring cylinder 4, the inner helical blade 42 is a reducing equidistant helical blade, the inner peripheral side of the reducing equidistant helical blade is mutually matched with the outer helical blade 51, and the inner helical blade 42 and the outer helical blade 51 can work together conveniently to improve the working effect.
The output end of the driving motor 5 is connected with a linkage assembly 6, the output end of the linkage assembly 6 penetrates through the top of the stirring barrel 4 and is connected with the inner helical blade 42, 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 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 or not, the linkage gear 62 is meshed with the peripheral side of the driving gear 61, the bottom end of the linkage frame 63 penetrates through the top end of the stirring barrel 4 in a sealing way and is fixedly connected with the inner helical blade 42 in a coaxial way, the part of the linkage frame 63 extending out of the top end of the stirring barrel 4 is fixedly connected with a first annular gear 631, the bottom part is fixedly connected with a second annular gear 632, the driving gear 61 is meshed with the first annular gear 631, the linkage gear 62 is meshed with the second annular gear 632 in the vertical direction, the driving motor 5 can drive the inner spiral blade 42 to reversely rotate through the driving gear 61, the linkage gear 62 and the second annular gear 632 in the clutch closed state, the driving motor 5 can drive the inner spiral blade 42 to synchronously and co-rotate through the driving gear 61 and the first annular gear 631 for forming an upward pushing effect on concrete in the mixing drum 4 through the outer spiral blade 51 which is matched with forward rotation, and mixed concrete can be conveniently output.
The axial length of the driving gear 61 is greater than that of the linkage gear 62, the driving gear 61 is convenient to reserve a part meshed with the first annular gear 631, guide blocks are fixedly connected to the bottom of the teeth of the first annular gear 631, the top of the teeth of the driving gear 61, the top of the teeth of the second annular gear 632 and the bottom of the teeth of the linkage gear 62, the guide blocks are triangular, one ends far away from the teeth are round chamfer-shaped, and the guide blocks are used for guiding the first annular gear 631, the driving gear 61, the second annular gear 632 and the linkage gear 62 to be meshed with each other.
The control mechanism is connected to the frame body 2, the output end of the control mechanism is connected to the outer side of the stirring cylinder 4, the control mechanism 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 arranged 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 the sealing cylinder 73 is internally and slidably connected with the telescopic column 74, a buffer spring 741 is fixedly connected between the top of the telescopic column 74 and the inner top of the sealing cylinder 73, the bottoms of the plurality of 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, the control air pump 71 works, positive pressure or negative pressure is formed in the sealing cylinders 73 through the annular pipe 72 at the output end of the control air pump 71, and accordingly the plurality of telescopic columns 74 are controlled to move downwards or upwards for controlling the downward movement and upward movement of the stirring cylinder 4, and the stirring and conveying actions of concrete are conveniently matched with the outer spiral blades 51 and the inner spiral blades 42.
The annular tube 72 is provided with a pressure release valve 721, and a plurality of sealing cylinders 73 are distributed on the annular tube 72 in a circular array and used for controlling the pressure in the annular tube 72 so as to avoid damage caused by the increase of the load of each part due to overlarge pressure.
The mixing drum 4 top intercommunication has material conveying hose 8, fixedly connected with rack 81 on the support body 2, and material conveying hose 8 keep away from mixing drum 4 one end and coil on rack 81, and installs the bleeder valve, and wherein material conveying hose 8 intercommunication is in the cylindrical section of thick bamboo wall outside in mixing drum 4 top, and when concrete mixing is good and have the delivery pressure in mixing drum 4, can open the bleeder valve, pours the operation through material conveying hose 8 to the foundation pile.
The construction method of the civil engineering building foundation pile construction equipment comprises the following steps:
s1, moving the chassis 1 to the vicinity of a 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, controlling the air pump 71 to output negative pressure into the plurality of sealing cylinders 73 through the annular pipe 72, pulling the telescopic column 74 and the rotating frame 75 to move upwards, and further pulling the stirring cylinder 4 to move upwards, so that the second annular gear 632 on the linkage frame 63 on the stirring cylinder 4 is meshed with the linkage gear 62, and closing a clutch between the driving gear 61 and the output end of the driving motor 5;
s3, starting a driving motor 5, wherein the output end of the driving motor 5 directly drives the outer helical blade 51 to rotate forward, and the output end of the driving motor 5 drives the inner helical blade 42 to rotate reversely through a linkage assembly 6 so as to perform concrete stirring 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 the foundation pile hole to be poured, the discharge valve is opened, the control air pump 71 is started, the control air pump 71 outputs positive pressure to the plurality of sealing cylinders 73 through the annular pipe 72, the telescopic column 74 and the rotating frame 75 are pushed to move downwards, the stirring cylinder 4 is pushed to move downwards, the first annular gear 631 on the linkage frame 63 on the stirring cylinder 4 is meshed with the driving gear 61, the clutch between the driving gear 61 and the output end of the driving motor 5 is closed, the output end of the driving motor 5 drives the outer spiral blade 51 and the inner spiral blade 42 to synchronously rotate in the same direction, and concrete conveying operation is carried out, so that pouring construction is carried out on the foundation pile hole through the material conveying hose 8.
When the concrete mixer is constructed, a feeding valve on the feeding pipe 41 is opened, concrete materials are fed into the mixing drum 4 and the annular drum 3 from the feeding pipe 41, the control mechanism is started to control the air pump 71, the air pump 71 is controlled to output negative pressure to the plurality of sealing drums 73 through the annular pipe 72, the elastic force of the buffer springs 741 is overcome, the plurality of telescopic columns 74 are pulled to move upwards, and accordingly the mixing drum 4 is pulled to move upwards, at the moment, the second annular gear 632 on the linkage frame 63 on the mixing drum 4 moves upwards, the second annular gear 632 is meshed with the linkage gear 62 mutually under the guiding effect of the guide block, a 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 upwards concrete materials, and simultaneously, the inner helical blades 42 are driven to rotate reversely through the driving gear 61, the inner helical blades 632 and the inner helical blades 42 to stir and push downwards, and after the mixing drum 4 moves upwards, the clearance between the outer helical blades 51 and the inner helical blades 42 is increased, the efficiency of the concrete mixer is improved, the efficiency of the concrete mixer is further improved, and the efficiency of the concrete mixer is formed by the double circulation is improved;
after the concrete is stirred, the clutch is disconnected, the driving gear 61 is temporarily released from 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 into a foundation pile hole to be poured, the discharging valve is opened, the control air pump 71 is started again, the control air pump 71 outputs positive pressure into the sealing cylinders 73 through the annular pipe 72, the telescopic columns 74 are pushed to move downwards by overcoming the elastic force of the buffer springs 741, the telescopic columns 74 drive the rotating frame 75 to move downwards, the rotating frame 75 drives the stirring cylinder 4 to move downwards, the inner spiral blades 42 are finally matched with the outer spiral blades 51 which rotate slowly at the moment because the inner spiral blades 42 are not limited in rotation, the first annular gear 631 on the linkage frame 63 moves downwards when the stirring cylinder 4 moves downwards, the first annular gear 631 is meshed with the driving gear 61 under the guiding action of the guide block, the clutch is closed again, the output end of the driving motor 5 is rotated, the outer spiral blades 51 and the inner spiral blades 42 are driven to synchronously rotate in the same direction, so that the concrete pile is pushed upwards in the stirring cylinder 4, and the foundation pile is poured quickly and conveniently;
when the lifting force of the outer screw blade 51 and the inner screw blade 42 to the concrete is too large, an upward pushing force is generated to the mixing drum 4, the air pressure in the sealing drum 73 and the annular tube 72 is further increased, the pressure release valve 721 provided on the annular tube 72 is conducted, the pressure is reduced, the mixing drum 4 is moved upward, and damage caused by increase of loads of various parts can be avoided.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a civil engineering building foundation pile construction equipment, includes chassis (1), a plurality of removal wheels are installed to chassis (1) bottom, a serial communication port, chassis (1) top fixedly connected with support body (2) and annular section of thick bamboo (3), annular section of thick bamboo (3) top sealed sliding connection has churn (4), churn (4) top intercommunication has inlet pipe (41), the feed valve is installed in inlet pipe (41), be connected with driving motor (5) on support body (2), driving motor (5) output stretches into churn (4) in, and coaxial fixedly connected with outer helical blade (51), rotation is connected with interior helical blade (42) on churn (4), driving motor (5) output is connected with linkage subassembly (6), linkage subassembly (6) output runs through churn (4) top and interior helical blade (42) and is connected with control mechanism on support body (2), the control mechanism output is connected with the outside churn (4), churn (4) top (8) are connected with coil in flexible pipe (81) on fixed carrier (8) and are kept away from on fixed carrier (81), and a discharge valve is arranged;
the linkage assembly (6) comprises a driving gear (61), a linkage gear (62) and a linkage frame (63), wherein 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), the linkage gear (62) is meshed with the periphery side of the driving gear (61), the bottom end of the linkage frame (63) penetrates through the top end of the stirring cylinder (4) in a sealing mode and is coaxially and fixedly connected with the inner spiral blades (42), a first annular gear (631) is fixedly connected to the top of the part, extending out of the top end of the stirring cylinder (4), of the linkage frame (63), a second annular gear (632) is fixedly connected to the bottom of the part, the driving gear (61) is initially meshed with the first annular gear (631), and the linkage gear (62) is meshed and matched with the second annular gear (632) in the vertical direction;
the control mechanism comprises a control air pump (71), an annular pipe (72), a sealing cylinder (73) and a telescopic column (74), wherein the control air pump (71) is installed on a 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), a plurality of sealing cylinders (73) are communicated with the bottom of the annular pipe (72), the sealing cylinders (73) are connected with the telescopic column (74) in a sealing sliding manner in the bottom of the sealing cylinder (73), a buffer spring (741) is fixedly connected between the top of the telescopic column (74) and the inner top of the sealing cylinder (73), and a plurality of telescopic columns (74) are fixedly connected to the outer side of the middle circular truncated cone-shaped cylinder wall of the stirring cylinder (4).
2. The civil engineering building foundation pile construction equipment according to claim 1, wherein the top and the bottom of the stirring cylinder (4) are cylindrical, the middle part of the stirring cylinder is in a truncated cone shape, the diameter of the top cylinder is smaller than that of the bottom cylinder, the inner spiral blades (42) are coaxially and fixedly connected to the inner side of the truncated cone-shaped cylinder wall of the middle part of the stirring cylinder (4), and the material conveying hose (8) is communicated to the outer side of the top cylindrical cylinder wall of the stirring cylinder (4).
3. The civil engineering building foundation pile construction equipment according to claim 2, wherein an annular groove is coaxially formed in the bottom of the wall of the stirring cylinder (4), a buffer block is fixedly connected to the inner top of the annular groove, and the top of the annular cylinder (3) is in sealing sliding fit with the annular groove.
4. A civil engineering building foundation pile construction equipment according to claim 3, wherein the axial length of the driving gear (61) is greater than that of the linkage gear (62), the bottoms of the teeth of the first annular gear (631), the tops of the teeth of the driving gear (61), the tops of the teeth of the second annular gear (632) and the bottoms of the teeth of the linkage gear (62) are fixedly connected with guide blocks, a plurality of the guide blocks are triangular, and one end far away from the teeth is round and chamfer.
5. The civil engineering building foundation pile construction equipment according to claim 4, wherein the annular pipe (72) is provided with a pressure release valve (721), and a plurality of sealing cylinders (73) are distributed on the annular pipe (72) in a circular array.
6. A construction method of the civil engineering building foundation pile construction equipment according to any one of claims 1 to 5, comprising the steps of:
s1, moving a chassis (1) until the chassis is near a foundation pile hole, opening a feed valve, adding concrete materials into a mixing drum (4) from a feed pipe, and closing the feed valve;
s2, starting a control air pump (71), controlling the air pump (71) to output negative pressure into a plurality of sealing cylinders (73) through an annular pipe (72), pulling a telescopic column (74) and a rotating frame (75) to move upwards, and further pulling a stirring cylinder (4) to move upwards, so that a second annular gear (632) on a linkage frame (63) on the stirring cylinder (4) is meshed with a linkage gear (62) mutually, and closing a clutch between a driving gear (61) and the output end of a driving motor (5);
s3, starting a 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 a linkage assembly (6) to perform concrete stirring 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 into a foundation pile hole to be filled, the discharge valve is opened, the control air pump (71) is started, positive pressure is output into a plurality of sealing cylinders (73) through the annular pipe (72), the telescopic column (74) and the rotating frame (75) are pushed to move downwards, the stirring cylinder (4) is pushed to move downwards, the first annular gear (631) on the linkage frame (63) on the stirring cylinder (4) is meshed with the driving gear (61) mutually, the clutch between the driving gear (61) and the output end of the driving motor (5) is closed, the output end of the driving motor (5) drives the outer spiral blade (51) and the inner spiral blade (42) to rotate synchronously and in the same direction, and concrete conveying operation is carried out, and filling construction is carried out on the foundation pile hole through the material conveying hose (8).
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| CN112092184A (en) * | 2020-09-28 | 2020-12-18 | 张继密 | Concrete mixer |
| CN215396033U (en) * | 2021-08-01 | 2022-01-04 | 谢克飞 | A concrete mixing device for building engineering construction |
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| JP4931185B2 (en) * | 2006-02-13 | 2012-05-16 | 日工株式会社 | Single-shaft mixer |
| CN206416320U (en) * | 2017-01-17 | 2017-08-18 | 上海申昆混凝土集团有限公司 | A kind of concrete central mix plant |
| CN206551222U (en) * | 2017-03-04 | 2017-10-13 | 北京桥昌混凝土搅拌有限公司 | A kind of concrete central mix plant |
| CN206551219U (en) * | 2017-03-04 | 2017-10-13 | 北京桥昌混凝土搅拌有限公司 | Concrete central mix plant |
| CN212096898U (en) * | 2020-03-23 | 2020-12-08 | 马鞍山市华科实业有限公司 | Mixer with two-way stirring function |
| CN213440385U (en) * | 2020-09-02 | 2021-06-15 | 芮明娟 | Material agitating unit is used in building engineering construction |
| CN216156576U (en) * | 2021-09-06 | 2022-04-01 | 北京市地质矿产勘查开发集团有限公司 | Grouting device for cast-in-place pile in complex geological environment |
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| CN112092184A (en) * | 2020-09-28 | 2020-12-18 | 张继密 | Concrete mixer |
| CN215396033U (en) * | 2021-08-01 | 2022-01-04 | 谢克飞 | A concrete mixing device for building engineering construction |
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