662 results about "Pile driver" patented technology

The deep water port steel pipe pile foundation construction method comprises the steps that three-dimensional geological modeling and pile position positioning are conducted, specifically, a construction area is scanned through an unmanned aerial vehicle carrying a multispectral radar, geological data are obtained, a dynamic three-dimensional geological model is constructed based on a random forest algorithm, and the pile position layout and the pile sinking path of steel pipe piles are planned; multi-parameter data real-time collection and transmission: collecting perpendicularity, pile body stress and hammering vibration data in real time, uploading encrypted data to a cloud platform through a 5G / Beidou dual channel, and storing the encrypted data; the cloud platform calculates the optimal hammering energy, the vibration frequency and the hammer stopping standard by using a reinforcement learning algorithm in combination with the dynamic three-dimensional geological model and the real-time data; and pile sinking is conducted, specifically, the posture of a pile body is monitored through a laser radar and an inertial measurement unit, a PID control algorithm is adopted to drive a walking type pile driver hydraulic system, and pile sinking is conducted. According to the method, the scientificity of pile position layout and the reasonability of a pile sinking path are improved; the pile sinking efficiency is improved; the energy consumption is reduced; the pile foundation stability is guaranteed.

The invention relates to the technical field of civil engineering construction, in particular to a precise positioning civil engineering pile foundation construction system which comprises a multi-source space sensing and positioning module, a space-time multi-dimensional data fusion module, a three-dimensional guiding and correcting module, a hydraulic control module and a closed-loop feedback optimization module. The multi-source space sensing and positioning module obtains pile machine position and attitude information through the Beidou / GNSS high-precision positioning unit, the inertia high-precision navigation unit and the laser horizontal measurement unit, and the space-time multi-dimensional data fusion module processes and fuses the information to generate unified space position data. The three-dimensional guiding and correcting module compares the data with preset pile position coordinates, if the deviation exceeds a threshold value, a correcting instruction is generated, the hydraulic control module executes the instruction and adjusts the position and the posture of a pile machine, the closed-loop feedback optimization module collects the data in the correcting process and optimizes a correcting strategy, all-weather centimeter-level precision space positioning is achieved, and the positioning precision is improved. And the accuracy and efficiency of pile foundation construction are improved.

The utility model discloses a full-rotation hoisting pile driver for an offshore ship. The full-rotation hoisting pile driver comprises a full-rotation hoisting device and a pile driving device, the full-rotation lifting device comprises a base, a rotation bearing, a rotation chassis, a propeller strut and an arm support. The base is connected with the rotary chassis through the rotary bearing; the propeller strut is arranged on the rotary chassis; the lower end of the arm frame is movably connected with the propeller strut, and the propeller strut is wound with the arm frame through a steel wire rope; the piling device comprises a pile frame, a fork frame and a winding mechanism; the pile frame is connected with the upper end of the arm frame through a sliding shoe; one end of the fork frame is movably connected with the pile frame, and the other end of the fork frame is movably connected with the propeller strut; and the platform on the pile frame is connected with the corresponding winch in the machine room through the winding mechanism. According to the utility model, the full-circle slewing crane and the piling system are effectively combined, so that the piling requirements of straight piles and inclined piles can be met without frequent ship moving and positioning.

The invention discloses an intelligent Beidou pile foundation positioning control method, algorithm and system, and the method comprises the steps: obtaining real-time Beidou positioning data corresponding to the real-time position of a task pile machine and target position data corresponding to a target task to be executed by the task pile machine, and then carrying out the real-time positioning of the task pile machine based on the real-time Beidou positioning data and the target position data; the method comprises the steps of determining information of a construction environment where a task pile machine executes a target task, determining an optimal path of the task pile machine moving from a real-time position to a target position based on the information of the construction environment, and controlling the task pile machine to move from the real-time position to the target position according to the optimal path, so that path planning of the task pile machine based on intelligent Beidou positioning is effectively realized; and high-precision, high-efficiency and low-cost automatic displacement of the task pile machine in a complex environment is realized, so that the reliability and the construction generalization ability of intelligent Beidou pile foundation positioning control are further improved.

The invention discloses a hydraulic static automatic pile driver and aims to provide a hydraulic static automatic pile driver which is good in structural stability and capable of effectively solving the problem that a piston rod of a pile-embracing oil cylinder in the prior art is prone to distortion and deformation. The hydraulic static force automatic pile pressing machine can effectively solve the problem that in the pile pressing process, due to the fact that the holding force is insufficient, a pressed pile slips. The device comprises a reaction frame, a hydraulic jack and a pile embracing mechanism, the pile embracing mechanism comprises a pile embracing taper sleeve, an inner hole of the pile embracing taper sleeve is a taper hole, the hydraulic jack drives the pile embracing taper sleeve to ascend and descend, and the lower end of the pile embracing taper sleeve is connected with a bottom cover; the plurality of enclasping cone cores are arranged in the cone holes; the hydraulic elements are in one-to-one correspondence with the enclasping cone cores and comprise vertical piston cavities arranged in the corresponding enclasping cone cores; the locking piston is arranged in the vertical piston cavity and divides the vertical piston cavity into an upper cavity and a lower cavity, the lower end of the locking piston is connected with a piston rod, and the lower end of the piston rod can be connected to the bottom cover in a manner of moving in the radial direction of the conical hole.

The invention belongs to the technical field of pile drivers, and discloses a foundation pile driver capable of adapting to complex terrains, which comprises a base, and further comprises cloth crawler belts, a pile driver, a driving device and a driving device, the inclined cylinders are symmetrically arranged on the two sides of the top of the base, and piling assemblies are hinged to the top ends of the inclined cylinders; through cooperation of ground anchors, springs, tooth blocks, tooth plates and other structures, supporting legs at the four corners of the pile driver are conveniently fixed according to the height of a complex terrain, the supporting legs drive the ground anchors to rapidly move downwards under the action of the elastic force of the springs, and then the ground anchors are clamped into soil; according to the pile driver, the inclined blocks are arranged on the two tooth plates, so that the inclined blocks extrude the two tooth blocks to be clamped into the tooth plates, the positions of the supporting legs are fixed after the supporting legs move downwards, then the same steps are carried out on the other three positioning assemblies in sequence, the other three supporting legs are clamped into soil of different heights, and the supporting effect of the pile driver on the complex terrain is achieved.

This invention relates to a construction method for driving piles using a vibratory driven pile unit. The original walking pile frame is replaced with a crawler crane. Utilizing the flexible movement of the crawler crane, the machine can move immediately after driving one pile to drive the next. At this time, crushed stone can be added to the previous pile, and then the pile can be extracted. This back-and-forth operation greatly improves construction efficiency. The crawler crane is equipped with an adjustment frame, which is fixed at the bottom by a bottom-fixing cylinder. The mast adjusts the upper position of the pile frame, and the adjustment frame adjusts the lower position of the pile frame, ensuring the verticality of the crushed stone piles during driving and extraction. During use, the mast adjusts the position of the pile frame, and the vibratory lifting mechanism drives the hoisting rope to move the vibratory hammer up and down through the slide frame for driving or extracting piles.

An autonomous pile driving system identifies using a pile plan map a target location to install a pile. The system autonomously navigates towards the target location. The system autonomously detects using an object sensor system an orientation and location of the pile located within a threshold distance of the system. The system autonomously positions a tool of the autonomous pile driving system based on the detected orientation and location of the pile. The system autonomously picks up the pile using the positioned tool of the autonomous pile driving system. The system autonomously positions the pile based on the target location. The system autonomously drives the pile into ground at the target location.

The invention relates to the technical field of drainage plate positioning, and discloses a pile hole positioning method and system for a drainage plate pile pipe based on a multi-source sensor. Synchronous data acquisition of a multi-source heterogeneous sensor is achieved through a GNSS receiver and an IMU, a data basis is provided for subsequent fusion calculation, and then pile pipe root coordinates and pile pipe three-dimensional attitude angles are dynamically calculated through Kalman filtering fusion according to pile driver top coordinates and pile pipe motion data. Root posture resolving errors caused by static calibration errors and structural deformation in motion are avoided; then, the coordinates of the tip end of the pile pipe are dynamically calculated through coordinate rotation transformation, machine body motion data are introduced to compensate deviation calculation, and therefore the problem that in the prior art, due to the fact that the three-dimensional posture change of the pile pipe in the construction process is neglected, drainage plate pile hole positioning is not accurate enough is solved; and it is ensured that each pile hole can meet the design precision requirement, and the problem that the construction perpendicularity is uncontrollable is fundamentally solved.

The invention belongs to the technical field of water transportation engineering static pressure pile planting machines, and particularly relates to a fixing clamp for a cold-bending Z-shaped steel sheet pile static pressure pile planting machine. The Z-shaped steel plate is arranged at the bottom of the pile planting machine body; the clamping assembly comprises a movable clamp, a fixed clamp, a pushing assembly and a deflection assembly, the movable clamp and the fixed clamp are distributed front and back and located at the bottom of the pile planting machine body, and the pushing assembly is connected with the movable clamp and used for driving the movable clamp to move; the deflection assemblies are arranged on the opposite sides of the movable clamp and the fixed clamp respectively. According to the U-shaped static pressure pile planting machine steel sheet pile fixing clamp, the U-shaped static pressure pile planting machine steel sheet pile fixing clamp is improved, the fixing clamp is changed into a structure with a notch, the fixing clamp can clamp the locking opening position of a cold-bending Z-shaped steel sheet, and therefore under the condition that clamping force is not lost, the stability of the fixing clamp when the fixing clamp clamps the Z-shaped steel sheet is guaranteed.

The invention relates to the technical field of pile foundation construction, in particular to a long spiral secant pile construction method under water conservancy anti-seepage complex geological conditions, and the construction method comprises the steps that a long spiral pile driver is provided with a first power head and a second power head, a sleeve is pressed downwards through the second power head, and then the first power head is used for driving a drill rod to drill; the sleeve and the drill rod drill down synchronously until the drill bit drills to the elevation of the bed rock surface to form a pile hole; the sleeve is left in the pile hole, the rotary drilling rig is used for drilling the bed rock, a drill rod of the long spiral pile driver is put down to the bottom of the pile hole, concrete is pumped into the pile hole, and when the concrete is poured to the bed rock surface, the drill rod and the sleeve are lifted while the concrete is pumped into the pile hole till pressure pouring is completed. In a complex stratum with a huge thick loose high-permeability sandy gravel covering layer and ultrahigh-strength hard bed rock coexisting, high-precision stable hole forming and collapse prevention are achieved at the same time, hard rock is reliably and accurately drilled to reach the designed depth, and it is ensured that concrete secant piles are tightly engaged to form a continuous and effective diaphragm wall.

The invention relates to the technical field of building construction, and discloses a house building foundation engineering construction device which comprises a multi-shaft pile driver body, a power integration box is installed on one side of the multi-shaft pile driver body in a limiting and sliding mode, and a plurality of stirring piles are rotatably installed at the output end of the power integration box; driving gears are fixedly mounted on the outer sides of the top ends of the stirring piles, the multiple driving gears are in meshing transmission, and mounting cavities formed in the inner side walls of the driving gears are further included. The connecting strength between the mixing pile and the driving gears is changed through coincidence or dislocation between the permanent magnet plates and the magnetism isolating plates, so that the probability that the mixing pile is damaged when the bottom end of the mixing pile encounters a hard obstacle is reduced, and the situation that a plurality of driving gears bear extra load and impact due to mutual meshing is avoided; the driving gear and the power system are protected, the service life of the multi-shaft pile driver body is prolonged, the influence of hard obstacles on the construction progress is reduced, and the construction progress and the engineering quality of the sealing wall are improved.

A side grip pile driver for driving elongated objects into a ground surface comprising: a body for attaching the pile driver to a working machine; a first and second jaw members each jaw member having a clamping interface for clamping onto the side of an object to be driven; and a driving means arranged to move at least one of the jaw members, wherein each jaw member has a jaw arms and a gripping head, wherein the jaw arm is attached to the body and the gripping head, the gripping head providing the clamping interface, the jaw arm being attached to the gripping head via an elastomer member; wherein at least one of the gripping heads of the jaw members comprises a vibrator device for vibrating the gripping head such that the gripping head is couplable to the object in vibratory engagement.

The invention discloses a spiral ground pile group anchoring system and method based on force decomposition synergy. The system comprises two spiral ground piles, an auxiliary mooring rope with the two ends connected with the ground piles and a main cable arranged between the auxiliary mooring rope. When the main cable is pulled, the auxiliary cable is forced to form a break angle by tensile force, and the two ground piles are mutually tensioned by horizontal component force generated by decomposition of the tensile force, so that a soil body between the piles is powerfully compacted. The compacted soil forms high-strength constraint, the uplift bearing capacity of the whole system is remarkably improved, and the synergistic purpose of '1 + 1gt, 2' is achieved. The device is simple in structure, low in cost, remarkable in synergism and particularly suitable for being matched with a double-head pile driver (a full-electric unmanned multi-foot double-head reverse spiral ground pile driver used in a low-adhesion environment and a cooperative control method thereof 2025120033595) to achieve rapid deployment.

The invention discloses a combined type MJS pile driver and a construction method thereof, and relates to the field of MJS pile driver application, the combined type MJS pile driver comprises pile driving equipment and a newly added drill rod, one side of the pile driving equipment is provided with a lifting air cylinder, the end of the lifting air cylinder is connected with a movable multi-connecting-rod assembly, and one end of the movable multi-connecting-rod assembly is provided with a mounting bracket; the mounting support comprises a fixing frame connected with the disc, and the two ends of the fixing frame are each provided with a fixing assembly used for fixing a newly-added drill rod. According to the device, the mounting bracket and the multiple fixing assemblies are arranged and can be used for storing the newly-added drill rod and assisting dismounting and mounting of the newly-added drill rod, the fixing assemblies have a clamping effect on the newly-added drill rod, and after the newly-added drill rod is fixed by the fixing assemblies, the driving assembly drives the driving rod to rotate, so that mounting of the newly-added rod is efficient and safe; the position of the installation support can be adjusted through the movable multi-connecting-rod assembly, so that the installation support can drive the newly-added rod to move to the installation position, time and labor are saved, and the installation efficiency of the drill rod is improved.

The invention discloses a combined type steel sheet pile foundation pit supporting structure, and relates to the field of foundation pit supporting, the combined type steel sheet pile foundation pit supporting structure comprises a steel sheet pile assembly, the steel sheet pile assembly comprises a plurality of first steel sheet pile components and a plurality of second steel sheet pile components, and the first steel sheet pile components and the second steel sheet pile components are alternately spliced; the first steel sheet pile component is formed by two first steel sheet piles in a staggered and sleeved mode, the second steel sheet pile component is formed by two second steel sheet piles in a staggered and sleeved mode, and the first steel sheet piles and the second steel sheet piles which are located at the adjacent positions are also arranged in a staggered and sleeved mode. By adopting the long and short steel sheet pile combined supporting mode, the input number of the steel sheet piles is reduced, meanwhile, the driving difficulty of the steel sheet piles is reduced, the loss and waste of the steel sheet piles are effectively reduced, hole guiding construction is conducted through a drilling machine, and compared with a traditional rotary drilling pile machine hole guiding mode, the needed construction operation area is smaller, and the construction efficiency is improved. The influence of surrounding houses and roads is small, and the method is more suitable for urban construction.

The invention relates to the field of drilling automation, and discloses a rotary drilling pile machine drilling method and device suitable for complex stratums.The method comprises the following steps that S1, working condition feedback parameters are obtained in real time; s2, recognizing the real-time geological working condition of the drill bit; s3, optimal drilling operation parameters are determined in combination with a preset intelligent decision model; and S4, according to the optimal drilling operation parameters, an execution mechanism of the rotary drilling pile machine is automatically controlled, self-adaptive drilling is carried out, and the device comprises a data acquisition module, a working condition recognition module, a decision optimization module, a closed-loop control module and a drilling tool type selection and recommendation module. According to the method, depth data mining is carried out on key parameters such as rock-soil body specific energy, so that real-time working conditions are accurately classified into specific types such as soft clay and pebble beds, and the technical problems that in the prior art, the geological misjudgment rate is high, the recognition precision is low, and complex stratums cannot be effectively distinguished are solved.

The utility model discloses a combined positioning device for improving the parking stability of a rotary pile driving barge, which relates to the technical field of ship and ocean engineering, comprises a main barge body, a full-rotation pile driver and a positioning winch, and is characterized by further comprising a barge stabilizing pile assembly which comprises a barge stabilizing pile body, a ship stabilizing pile rack is arranged on the ship stabilizing pile body in the vertical direction of the ship stabilizing pile body, a ship stabilizing pile lifting transmission unit and a ship stabilizing pile lifting driving device in transmission connection with the ship stabilizing pile lifting transmission unit are arranged on the main ship body, the ship stabilizing pile lifting transmission unit comprises a gear structure, and the gear structure is in meshed connection with the ship stabilizing pile rack. The ship stabilizing pile lifting driving device is used for driving the gear structure on the ship stabilizing pile lifting unit to work so as to drive the ship stabilizing pile rack to ascend and descend and linkage the ship stabilizing pile body to ascend and descend so as to achieve positioning and positioning releasing. The utility model has the effects that the standing stability of a ship is obviously improved, so that a better operation foundation is provided for piling operation, and the accuracy and the operation efficiency of the piling operation are improved.

The invention relates to the technical field of vibratory hammers, in particular to a pile driver with a self-righting function, which comprises a fixing frame, a shell, a first rotating shaft, a second rotating shaft, an adjusting assembly, a pendulum bob and a driving assembly, the shell is slidably arranged on the fixing frame, the first rotating shaft and the second rotating shaft are rotatably arranged on the shell, and the second rotating shaft rotates around the first rotating shaft on the shell; the first rotating shaft and the second rotating shaft generate resultant force perpendicular to the connecting line direction of the two rotating shafts during autorotation and drive the shell to slide on the fixing frame. The adjusting assembly is used for driving the second rotating shaft to rotate around the first rotating shaft; the pendulum bob is rotationally arranged on the fixing frame, and the gravity center of the pendulum bob is located below the rotating axis of the pendulum bob; the driving assembly is used for driving the shell to rotate when the gravity center of the pendulum bob is located on the axis of the foundation pile. The adjusting assembly is arranged to change the position of the second rotating shaft relative to the first rotating shaft, so that the direction of resultant force generated by rotation of the first rotating shaft and the second rotating shaft is changed, and the inclined foundation pile can be straightened.

The invention relates to an offshore wind power full-rotation multi-angle pile driver fork frame manufacturing technology, a fork frame structure comprises a first-stage fork frame, a second-stage fork frame, a third-stage fork frame, a first driving oil cylinder and a second driving oil cylinder, and manufacturing of the fork frame structure specifically comprises the following steps that S1, parts of the third-stage fork frame are manufactured; s2, a second-stage fork frame part is prepared; s3, preparing a primary fork frame; s4, forming a secondary fork frame; s5, a second-stage fork frame and a third-stage fork frame are assembled; and S6, integral forming. The preparation process is reasonable in procedure, so that the preparation working efficiency is obviously improved, and meanwhile, the position precision is controlled in the preparation process, so that the phenomena of reworking and the like are reduced, the construction cost is reduced, and energy waste is avoided.

The invention discloses a full-electric unmanned multi-foot double-head reverse spiral ground pile driver for a low-adhesion environment and a cooperative control method of the full-electric unmanned multi-foot double-head reverse spiral ground pile driver. The pile driver comprises an equipment body (1), a full-electric driving system, a multi-foot type self-adaptive walking mechanism (2), a double-head independent driving pile driving (6a and 6b) system and an intelligent control system. The core of the robot lies in that net reaction torque is counteracted through reverse rotation of the double heads 6a and 6b, and through intelligent cooperative control, the posture of a walking mechanism is dynamically adjusted when loads of the double heads are not uniform (such as a machine body slightly tilts) to deeply balance the loads, so that the ultimate operation stability under the environments such as the seabed, ice and snow, mud flat and the like with extremely poor adhesive force is ensured. According to the invention, the low adhesive force constraint is overcome in principle, and an efficient, accurate and full-autonomous anchoring construction solution is provided.

The invention provides a comprehensive construction method of a large-diameter tubular pile for supporting a foundation pit in a deep and thick rock-filled sand layer, which adopts a double-machine cooperation segmented construction mode and comprises the following construction steps: deploying a while-drilling tubular pile machine A equipped with a down-the-hole hammer and a steel casing at a target pile position; steel casing synchronous hole guiding; transferring the pile machine A; backfilling a soil body in the steel casing in which the hole is led; the steel casing is pulled out through hoisting equipment; in a hole section formed by backfill soil, the large-diameter tubular pile is driven by a while-drilling and tubular pile machine B to follow up and sink along with drilling; forming a pile; the pile machine A is used for hole guiding and steel casing supporting, the pile machine B is used for pipe pile forming, and the pile machine A and the pile machine B work independently in parallel. According to the construction method, the down-the-hole hammer leads the hole to be matched with the steel casing to follow up to the bottom of the rock-fill layer to effectively control the drilling quality and efficiency of the rock-fill layer, the large-diameter while-drilling pipe pile effectively controls hole collapse of the sand layer, and the construction method effectively solves the problems that pile forming is difficult, the construction efficiency is low, and the pile forming quality is poor in the construction process of foundation pit supporting piles in deep and thick rock-fill and sand layer areas.

The invention provides a framework pile pressing machine which is applied to the technical field of motor equipment machining and comprises a machine table, the top face of the machine table is a machining face, and an iron core and a framework are machined on the machining face; the iron core feeding and carrying assembly is arranged on the machining face, and the iron core feeding and carrying assembly carries the multiple iron cores to the machining face in sequence; the framework feeding and carrying assembly is arranged on the machining face, and the framework feeding and carrying assembly carries the multiple frameworks to the machining face in sequence; the iron core framework press-fitting assembly is arranged on the machining face, and the iron core framework press-fitting assembly obtains an iron core and a framework to conduct mutual press-fitting; the discharging assembly is arranged on the machine table and used for discharging press-fitting finished products. The technical problems of low automation degree and low production and processing efficiency in feeding, carrying and mutual press fitting of iron cores and frameworks at present and in defective product export and backflow related to feeding detection and discharging are solved.

The invention provides a novel inclined pile sinking construction technology for an offshore mud flat area, and belongs to the technical field of mud flat pile driver equipment. The novel inclined pile sinking construction technology comprises a floating body structure, and the floating body structure is formed by movably splicing a first floating body and a second floating body through an abutting structure set; the front side and the rear side of the first floating body are sleeved with a plurality of air bag lifting mechanisms at intervals, the air bag lifting mechanisms are used for horizontally supporting and adjusting the first floating body on the mud flat after the first floating body and the second floating body are separated through the abutting structure set, according to the design of the air bag lifting mechanisms, air inflation of air bags is adopted as a first downward pressing stroke, and a first hydraulic cylinder is adopted as a second downward pressing stroke; and a second hydraulic cylinder on the air bag assembly is a third downward pressing stroke, the descending depth of the air bag lifting mechanism abutting against the mud flat is enough to support and lift the inclined part of the first floating body, and the horizontal adjustment operation of the first floating body is simple and convenient.

This invention relates to the field of construction technology, specifically to a method for pre-drilling with a large-diameter down-the-hole hammer in conjunction with vibratory compaction. The method includes: collecting soil samples at different depths at the pre-drilling site using a sampling drill; analyzing the geology at these depths using a soil analyzer; checking the functions and parameters of the large-diameter down-the-hole hammer and auxiliary automatic pre-drilling equipment; and pre-setting the parameters of the automatic pre-drilling equipment based on the geological data from the different depths at the pre-drilling site. During construction, the parameters of the automatic pre-drilling equipment are adjusted according to the actual conditions at the pre-drilling site. This invention uses a motion execution module to input commands to a frequency converter, which in turn controls the actuator to move the pile driver and drive the down-the-hole hammer for auxiliary pre-drilling. This achieves a fully automated construction control system for large-diameter down-the-hole hammer pre-drilling, reducing manpower consumption and improving efficiency.

The utility model relates to the field of oil injection lubricating devices, and discloses a diesel pile hammer oil injection lubricating device which comprises a base, connecting rings are connected to the two sides of the upper end of the base in a sliding mode, a cleaning lubricating structure is arranged on one side of each connecting ring, an adjusting structure is arranged at the upper end of the base, and the cleaning lubricating structure comprises a movable ring. Sponge pieces are movably connected into the connecting ring and the movable ring correspondingly, and a plurality of atomizing nozzles are arranged on one side of the connecting ring and one side of the movable ring correspondingly. According to the guide pillar lubricating device, impurities on the surface of a guide pillar can be cleaned through a sponge piece, lubricating oil can be sprayed out of the sponge piece through an atomizing spray head, the lubricating oil can be evenly smeared on the surface of the guide pillar conveniently after cleaning, the lubricating effect is improved, and the connecting ring and the movable ring can be driven to move on the surface of the guide pillar when the threaded block moves; and the second positioning block and the second positioning groove are separated, and the screws on the fixing ring are taken out, so that all structures of the lubricating device can be conveniently and separately stored.

The utility model relates to the technical field of building construction, in particular to a building pile driver for building engineering construction, which comprises a base, a support column, a pile driving rod, a diesel pile driver body and the like. A supporting column is installed on the base, a diesel pile driver body is installed on one side of the upper portion of the supporting column, and a pile driving rod is connected to the bottom of the diesel pile driver body. The wedge-shaped block is pulled out along the second guide rod, at the moment, the second spring is compressed, limiting of the wedge-shaped block to the third supporting plate is relieved, the third supporting plate can rotate freely through the rotating shaft, and the third supporting plate is rotated until the first supporting plate makes contact with the crane; when the diesel pile driver is transported, a second supporting plate in a third supporting plate slides inwards, a third spring is compressed for buffering, meanwhile, buffering cotton at the bottom of a first supporting plate absorbs part of impact force, vibration of equipment is effectively relieved, and the series of buffering mechanisms are beneficial to reducing vibration and shaking of the diesel pile driver in the transportation process and protecting the equipment from being damaged.

This invention relates to a method for pile formation using a spiral soil displacement drilling casing and subsequent concrete pouring, comprising the following steps: After the spiral soil displacement pile driver is positioned, the first power head is started to rotate and drill downwards to form a hole, and then the second power head is started to drive the casing to rotate and drill downwards to form a hole, until the soil displacement drill bit and the casing of the second power head reach the designed depth and drilling stops; the connection between the second power head and the casing is disconnected, and the concrete pump connected to the first power head is started to pump concrete into the borehole while simultaneously lifting the first and second power heads upwards until the soil displacement drill bit is completely removed from the casing; the reinforcing cage is locked into the positioning component using a locking component, and then lowered along the casing to a predetermined height, while pumping concrete into the casing until the designed pile top elevation is reached; the second power head is reconnected to the casing using the locking component, and the second power head is started to rotate and lift upwards until the casing is completely removed from the soil layer, thus completing pile formation. This application facilitates the rapid and stable lowering of the reinforcing cage.

According to the temporary construction platform and the construction method thereof, vertical rods, all rod pieces, steel plate meshes and the like are assembled, welded and combined into a steel platform bearing system, and the temporary construction platform can adapt to different working conditions such as slopes, mud flats, marshes and land and water combined zones; and normal construction operation of equipment, personnel, materials and the like on the steel platform can be ensured. According to the construction method of the temporary construction platform, by laying wood plates in cooperation with a vertical rod pile driver, vertical rod installation can be rapidly pushed at the front end, the temporary construction platform is completed at the rear end synchronously, and the construction speed is increased. A vertical rod pile machine used in a construction method of a temporary construction platform can be quickly assembled on a construction site and is used for fixing a vertical rod. The small steel pipes and the steel plate meshes are matched with the vertical rod pile driver, a temporary construction platform can be rapidly completed under the condition that site conditions are limited, and the construction progress is accelerated.

The invention discloses a high-balance self-calibration type hydraulic pile driver, and relates to the technical field of building construction equipment. The pile driver comprises a supporting base, a guide rail frame is installed on the top of the supporting base, and a pile driver head is arranged on one side of the guide rail frame; a correction assembly is arranged on the top of the supporting base and comprises a balance box installed on the top of the supporting base. By arranging the correcting assembly and the balancing assembly, when a balancing instrument detects that the supporting base deviates, a hydraulic rod acts immediately to push a moving block and a toothed plate to move, then a gear is driven to drive a fixed shaft and a rotating plate to rotate, a balance weight disc swings in the opposite direction, and the gravity center position of the whole machine is actively changed in the process; the reverse balance moment is generated, and the upsetting moment generated by piling can be automatically counteracted in real time, so that the skew trend of the guide rail frame is inhibited from the source, the stability and the safety coefficient of equipment in continuous high-strength operation are remarkably improved, and the vertical accuracy of piling is ensured.