A lime-soil compaction pile construction optimization method based on an intelligent compaction monitoring system

Abstract

The application belongs to the technical field of lime-soil compaction pile, and particularly relates to a lime-soil compaction pile construction optimization method based on an intelligent compaction monitoring system, which comprises a construction vehicle, a detection device arranged on the upper end of the construction vehicle, the detection device comprising an acceleration sensor, a timer, a rammer and a first displacement sensor, a starting device arranged above the construction vehicle, and the starting device comprising a motor, a winding rod and a steel rope. The lime-soil compaction pile construction optimization method based on the intelligent compaction monitoring system is used to monitor the compaction force, compaction amount and settlement amount of the compaction pile, start the motor, drive the winding plate to rotate, wind the steel rope, pull the rammer to a certain height, then stop the motor, make the rammer fall and hit the pile body, make the pile body sink into the ground, and calculate various parameters according to the data measured by the first displacement sensor, the second displacement sensor, the acceleration sensor and the timer.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of lime-soil compaction pile, and particularly to a lime-soil compaction pile construction optimization method based on an intelligent compaction monitoring system. BACKGROUND

[0002] The lime-soil compaction pile is formed by hammering a steel pipe into the soil to laterally compact the pipe into a hole, and then backfilling 2:8 or 3:7 lime-soil in layers in the pile hole and compacting the lime-soil. The lime-soil compaction pile and the soil between the piles together form a composite foundation to bear the upper load. Compared with other foundation treatment methods, the lime-soil compaction pile has the following characteristics: the lime-soil compaction pile is laterally compacted during pile formation, and can achieve the maximum dry density index after compaction, eliminate the collapsibility of the foundation soil, improve the bearing capacity, and reduce the compressibility. Compared with the soil replacement cushion, the lime-soil compaction pile does not need to be backfilled in a large amount, and can save the earthwork excavation and backfilling amount.

[0003] When monitoring the compaction pressure, compaction amount, settlement amount and other data of the lime-soil compaction pile during compaction, the common method is to install a sensor on the compaction equipment to directly measure the corresponding data. However, this method cannot determine which factors will affect the measured data, and it is also unknown how these factors affect the data to be measured. Therefore, the monitoring mechanism needs to be improved. SUMMARY

[0004] In view of the technical problem that the existing compaction pile monitoring mechanism cannot detect specific influencing factors, the present application provides a lime-soil compaction pile construction optimization method based on an intelligent compaction monitoring system.

[0005] The lime-soil compaction pile construction optimization method based on the intelligent compaction monitoring system provided by the present application comprises a construction vehicle, a detection device is arranged on the front end of the construction vehicle, the detection device comprises an acceleration sensor, a timer, a rammer and a first displacement sensor, the rammer moves up and down to drive the acceleration sensor and the timer to move synchronously, and the rammer drives the detection head of the first displacement sensor to move.

[0006] A starting device is arranged above the construction vehicle, the starting device comprises a motor, a winding rod and a steel rope, the motor controls the winding rod to rotate, the winding rod winds the steel rope, and the steel rope drives the rammer to move up and down.

[0007] Preferably, a mounting seat is fixedly installed above the construction vehicle, the motor is fixedly installed in the interior of the mounting seat, the winding rod is fixedly connected to the rotating shaft of the motor, and a limiting circular plate is fixedly installed on the outer surface of the winding rod.

[0008] Through the technical scheme, the motor starts to drive the rotating shaft to rotate the rolling plate, two limiting round plates are installed on the rolling rod, the two limiting round plates limit the steel rope in the middle, and the steel rope is prevented from sliding randomly outside the rolling rod.

[0009] Preferably, the steel rope is wound on the outer surface of the rolling rod, one end of the steel rope is fixedly connected with the outer surface of the rolling rod, the steel rope is arranged between the two limiting round plates, and the upper surface of the construction vehicle is fixedly provided with a supporting seat, and the upper surface of the supporting seat is rotationally connected with the outer surface of the rolling rod.

[0010] Through the technical scheme, the rolling rod rotates to wind the steel rope, the supporting seat supports the rolling rod to stably rotate, and the rolling rod is connected with the rotating shaft of the motor to protect the motor.

[0011] Preferably, the ram is fixedly connected to the other end of the steel rope, the upper surface of the construction vehicle is fixedly provided with a support, the outer surface of the support is fixedly provided with a fixed round rod, and the outer surface of the fixed round rod is slidably connected with the outer surface of the steel rope.

[0012] Through the technical scheme, when the rolling rod winds the steel rope, the steel rope pulls the ram, the fixed round rod is installed on the support to enable the steel rope to be arranged on the fixed round rod to be transmitted, and the steel rope is ensured to have a fulcrum to pull the ram.

[0013] Preferably, the lower surface of the support is fixedly provided with a mounting plate, the two mounting plates are horizontally symmetrically distributed with the axis of the support as the symmetric center, a limiting rod is fixedly arranged between the two mounting plates, and the outer surface of the limiting rod is slidably connected with the outer surface of the steel rope.

[0014] Through the technical scheme, the limiting rod and the fixed round rod are on the same horizontal line, the steel rope is arranged on the limiting rod and the fixed round rod to be transmitted, two mechanisms share the tension of the steel rope, and the steel rope is ensured to be more stably transmitted.

[0015] Preferably, the upper surface of the construction vehicle is fixedly provided with a mounting rod, the upper end surface of the mounting rod is fixedly provided with a fixed round plate, the first displacement sensor is fixedly arranged on the lower surface of the support, the detection head of the first displacement sensor is fixedly connected with the upper surface of the ram, the fixed round plate is provided with a round hole in the inside, and the steel rope is located in the inside of the round hole.

[0016] Through the technical scheme, the steel rope passes through the round hole in the middle of the fixed round plate to lift the ram below the fixed round plate, the detection head of the first displacement sensor moves along with the ram, and the first displacement sensor detects the displacement of the ram.

[0017] Preferably, the lower end surface of the construction vehicle is fixedly provided with a mounting ring, the inside of the mounting ring is slidably connected with a pile body, the upper end surface of the pile body is fixedly connected with a fixed block, and the two fixed blocks are horizontally symmetrically distributed with the axis of the pile body as the center of symmetry.

[0018] Through the above technical scheme, the pile body can be clamped in the mounting ring for sliding, the two fixed blocks are installed on the two sides of the pile body, the position of the pile body is conveniently limited, and the pile body can be kept in a straight line for sliding in the mounting ring.

[0019] Preferably, the mounting ring and the fixed circular plate are fixedly provided with a limiting circular rod, the two limiting circular rods are horizontally symmetrically distributed with the axis of the pile body as the center of symmetry, and the outer surfaces of the two limiting circular rods are slidably connected with the interiors of the two fixed blocks.

[0020] Through the above technical scheme, the two limiting circular rods are installed between the mounting ring and the fixed circular plate, and the fixed block is clamped on the outside of the limiting circular rod for sliding, so that the pile body is conveniently limited and deviated in the fixed circular ring.

[0021] Preferably, the acceleration sensor and the timer are fixedly installed on the upper surface of the rammer, the lower end of the rammer is provided with a hollow slot, the inside of the hollow slot is slidably connected with an extrusion block, the lower surface of the extrusion block is fixedly provided with an impact plate, the upper surface of the impact plate is fixedly provided with a slide rod, and the four slide rods are annularly arrayed with the axis of the impact plate as the array center.

[0022] Through the above technical scheme, before the rammer hits the pile body, the rammer is in free fall motion, the speed of the rammer reaches the maximum instant before hitting the pile body, the resistance of the pile body will make the rammer gradually slow down, the acceleration sensor can detect the acceleration of the rammer, the acceleration is a, the first displacement sensor can detect the displacement of the rammer, the starting switch of the motor is electrically connected with the timer, the motor and the timer can be started at the same time, the control switch is started when the rammer hits the pile body, and then the timer is controlled to time, the time is t, and then the displacement h of the free fall can be calculated as h = 1 / 2gt^2, g is the acceleration of gravity, the total displacement is measured by the first displacement sensor, and then the falling distance of the pile body can be calculated. According to the change of the acceleration, the resistance received by the rammer can be detected, the rammer falls to drive the impact plate to hit the pile body, the slide rod can freely slide in the rammer, and the reaction force of the impact plate hitting the pile body can make the extrusion block move upward.

[0023] Preferably, the upper end of the slide rod is fixedly installed with a limiting sliding block, the inside of the rammer is provided with a limiting slot, the outer surface of the limiting sliding block is in sliding connection with the inside of the limiting slot, the inside of the empty slot is fixedly installed with a control switch, the control switch is electrically connected with the timer through wires, the inside of the empty slot is slidably inserted with a sliding block, the left side surface of the sliding block is in contact with the outer surface of the control switch, the right side surface of the sliding block is in sliding connection with the outer surface of the extrusion block, the lower surface of the fixed circular plate is fixedly installed with a second displacement sensor, the upper end surface of the pile body is fixedly installed with a mounting block, and the upper surface of the mounting block is fixedly installed with a magnetic ring.

[0024] Through the above technical scheme, the limiting sliding block is clamped in the limiting slot and slides, so that the slide rod cannot be separated from the rammer, the impact plate can always be kept below the rammer, the extrusion block extrudes the sliding block, the sliding block extrudes the control switch to start the timer, and the second displacement sensor detects the displacement of the pile body according to the magnetic ring on the mounting block.

[0025] The beneficial effects in the application are:

[0026] 1. By setting the detection device, the extrusion force, extrusion amount and settlement amount of the compaction pile are monitored, the rammer is free fall before hitting the pile body, the speed of the rammer reaches the maximum at the moment before hitting the pile body, the resistance of the pile body will gradually slow down the rammer, the acceleration sensor can detect the acceleration of the rammer, the acceleration is a, the first displacement sensor can detect the displacement of the rammer, the starting switch of the motor is electrically connected with the timer, the motor and the timer can be started at the same time, the control switch is started when the rammer hits the pile body, and then the timer is controlled to time, the time is t, and then the displacement h of the free fall is calculated as 1 / 2gt^2, g is the acceleration of gravity, the total displacement is measured by the first displacement sensor, and then the distance of the pile body falling is calculated, and according to the change of the acceleration and the total weight of the rammer plus the impact plate, the resistance of the rammer can be calculated, so that the specific influencing factors of the compaction pile are conveniently detected.

[0027] 2. By setting the starting device, when the rammer is controlled, the motor is started, the rotating plate is driven to rotate by the rotating shaft, the steel rope is wound, two limiting circular plates are installed on the winding rod, the steel rope is limited in the middle, the steel rope cannot slide arbitrarily outside the winding rod, the supporting seat supports the winding rod, the winding rod can stably rotate, excessive pressure on the winding rod is avoided, the rammer is pulled by the steel rope, and the motor is turned off after being pulled to a certain height, the rammer falls and hits the pile body, so that the pile body sinks into the ground, and the rammer works stably.

[0028] 3、Through the second displacement sensor, the pile body is freely attached to the ground before the pile body is impacted, the second displacement sensor detects the displacement of the pile body through the magnetic ring on the mounting block after the rammer impacts the pile body, and the depth of the pile body sinking into the ground can be detected, and the cross-sectional area of the pile body is determined by prior measurement, so that the amount of filler can be calculated according to the displacement, and the effect of conveniently detecting the amount of filler is achieved.

[0029] 4、Through the setting of the limiting round rod and the fixed block, when the pile body moves up and down, the fixed block is clamped outside the limiting round rod to slide, and the fixed block is clamped outside the limiting round rod to slide, so that the pit punched on the ground cannot be inclined, and the construction is more convenient, and the effect of ensuring that the pile body does not deviate during movement is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 A schematic diagram of a lime-soil compaction pile construction optimization method based on an intelligent compaction monitoring system is provided for the present application.

[0031] Figure 2 A construction vehicle structure perspective view of a lime-soil compaction pile construction optimization method based on an intelligent compaction monitoring system is provided for the present application.

[0032] Figure 3 A support structure perspective view of a lime-soil compaction pile construction optimization method based on an intelligent compaction monitoring system is provided for the present application.

[0033] Figure 4 A fixed round plate diagram of a lime-soil compaction pile construction optimization method based on an intelligent compaction monitoring system is provided for the present application.

[0034] Figure 5 A limiting round plate structure perspective view of a lime-soil compaction pile construction optimization method based on an intelligent compaction monitoring system is provided for the present application.

[0035] Figure 6 A fixed block structure perspective view of a lime-soil compaction pile construction optimization method based on an intelligent compaction monitoring system is provided for the present application.

[0036] Figure 7 A rammer structure sectional view of a lime-soil compaction pile construction optimization method based on an intelligent compaction monitoring system is provided for the present application.

[0037] In the figure: 1, construction car; 11, mounting seat; 12, support seat; 13, support; 14, fixed round rod; 15, mounting plate; 16, limiting rod; 17, mounting rod; 171, fixed round plate; 172, round hole; 173, second displacement sensor; 18, mounting ring; 19, pile body; 110, fixed block; 111, limiting round rod; 112, mounting block; 113, magnetic ring; 2, acceleration sensor; 3, timer; 4, rammer; 41, air slot; 42, extrusion block; 43, impact plate; 44, sliding rod; 45, limiting sliding block; 46, limiting slot; 47, control switch; 48, sliding block; 5, first displacement sensor; 6, motor; 7, winding rod; 8, steel rope; 9, limiting round plate. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0039] Reference Figures 1-7 A lime-soil compaction pile construction optimization method based on an intelligent compaction monitoring system, comprising a construction car 1. In order to facilitate detection of multiple data of the rammer 4, a detection device is arranged on the upper front end of the construction car 1. The detection device comprises an acceleration sensor 2, a timer 3, a rammer 4, and a first displacement sensor 5. The rammer 4 moves up and down to drive the acceleration sensor 2 and the timer 3 to move synchronously, and the rammer 4 drives the detection head of the first displacement sensor 5 to move.

[0040] In order to facilitate control of the rammer 4 to move, a starting device is arranged on the upper side of the construction car 1. The starting device comprises a motor 6, a winding rod 7, and a steel rope 8. The motor 6 controls the winding rod 7 to rotate, and the winding rod 7 winds the steel rope 8. The steel rope 8 pulls the rammer 4 to move up and down.

[0041] In order to ensure that the steel rope 8 cannot slide arbitrarily outside the winding rod 7, a mounting seat 11 is fixedly installed on the upper side of the construction car 1. The motor 6 is fixedly installed in the inside of the mounting seat 11. The winding rod 7 is fixedly connected to the rotating shaft of the motor 6. The outer surface of the winding rod 7 is fixedly installed with a fixed round plate 71. When the motor 6 is started, the rotating shaft drives the winding plate to rotate. Two limiting round plates 71 are installed on the winding rod 7. The two limiting round plates 71 limit the steel rope 8 in the middle, so as to ensure that the steel rope 8 cannot slide arbitrarily outside the winding rod 7.

[0042] In order to ensure that the rolling rod 7 can stably rotate, the steel wire 8 is wound on the outer surface of the rolling rod 7, one end of the steel wire 8 is fixedly connected with the outer surface of the rolling rod 7, the steel wire 8 is arranged between the two limiting circular plates 71, the upper surface of the construction vehicle 1 is fixedly installed with a support seat 12, the upper surface of the support seat 12 is rotatably connected with the outer surface of the rolling rod 7, the rolling rod 7 can roll the steel wire 8 when rotating, the support seat 12 supports the rolling rod 7, so that the rolling rod 7 can stably rotate, and the rolling rod 7 and the rotating shaft of the motor 6 are connected, thereby being capable of protecting the motor 6 to a certain extent.

[0043] In order to ensure that the steel wire 8 can have a fulcrum to pull the rammer 4, the rammer 4 is fixedly connected to the other end of the steel wire 8, the upper surface of the construction vehicle 1 is fixedly installed with a support 13, the outer surface of the support 13 is fixedly installed with a fixed circular rod 14, the outer surface of the fixed circular rod 14 is slidably connected with the outer surface of the steel wire 8, when the rolling rod 7 rolls the steel wire 8, the steel wire 8 will pull the rammer 4, the fixed circular rod 14 is installed on the support 13, so that the steel wire 8 can be placed on the fixed circular rod 14 for transmission, and the steel wire 8 can have a fulcrum to pull the rammer 4.

[0044] In order to ensure that the steel wire 8 can be more stably transmitted, the lower surface of the support 13 is fixedly installed with an installation plate 15, the two installation plates 15 are horizontally symmetrically distributed with the axis of the support 13 as the center of symmetry, a limiting rod 16 is fixedly installed between the two installation plates 15, the outer surface of the limiting rod 16 is slidably connected with the outer surface of the steel wire 8, the limiting rod 16 and the fixed circular rod 14 are on the same horizontal line, so that the steel wire 8 is placed on the limiting rod 16 and the fixed circular rod 14 for transmission, so that the two mechanisms share the tension of the steel wire 8, and the steel wire 8 can be more stably transmitted.

[0045] In order to facilitate detection of the displacement of the rammer 4, the upper surface of the construction vehicle 1 is fixedly installed with an installation rod 17, the upper end surface of the installation rod 17 is fixedly installed with a fixed circular plate 171, the first displacement sensor 5 is fixedly installed on the lower surface of the support 13, the detection head of the first displacement sensor 5 is fixedly connected with the upper surface of the rammer 4, a circular hole 172 is formed in the inside of the fixed circular plate 171, the steel wire 8 is located in the inside of the circular hole 172, the steel wire 8 passes through the circular hole 172 in the middle of the fixed circular plate 171, and the rammer 4 below the fixed circular plate 171 is lifted, the detection head of the first displacement sensor 5 moves along with the rammer 4, so that the first displacement sensor 5 detects the displacement of the rammer 4.

[0046] In order to ensure that the pile body 19 can keep straight in the installation ring 18 sliding, the lower end surface of the construction vehicle 1 is fixedly installed with the installation ring 18, the inside of the installation ring 18 is slidingly inserted with the pile body 19, the upper end surface of the pile body 19 is fixedly connected with the fixed block 110, the two fixed blocks 110 are horizontally symmetrically distributed with the axis of the pile body 19 as the symmetric center, the pile body 19 can be clamped in the installation ring 18 for sliding, the two fixed blocks 110 are installed on the two sides of the pile body 19, which is convenient for limiting the position of the pile body 19, so that the pile body 19 can keep straight in the installation ring 18 sliding.

[0047] In order to ensure that the pile body 19 cannot deviate in the fixed ring, the installation ring 18 and the fixed circular plate 171 are fixedly installed with the limiting circular rod 111, the two limiting circular rods 111 are horizontally symmetrically distributed with the axis of the pile body 19 as the symmetric center, the outer surfaces of the two limiting circular rods 111 are slidingly connected with the interiors of the two fixed blocks 110 respectively, the two limiting circular rods 111 are installed between the installation ring 18 and the fixed circular plate 171, and the fixed block 110 is clamped on the outside of the limiting circular rod 111 for sliding, which is convenient for limiting the pile body 19, so that it cannot deviate in the fixed ring.

[0048] In order to facilitate the detection of the multiple data of the rammer 4, the acceleration sensor 2 and the timer 3 are fixedly installed on the upper surface of the rammer 4, the lower end of the rammer 4 is provided with the air slot 41, the inside of the air slot 41 is slidingly inserted with the extrusion block 42, the lower surface of the extrusion block 42 is fixedly installed with the impact plate 43, the upper surface of the impact plate 43 is fixedly installed with the sliding rod 44, the four sliding rods 44 are annularly arrayed with the axis of the impact plate 43 as the array center, before the rammer 4 hammers the pile body 19, the rammer 4 is free fall motion, the speed of the rammer 4 reaches the maximum at the moment before hammering the pile body 19, the resistance of the pile body 19 will make the rammer 4 gradually slow down, the acceleration sensor 2 can detect the acceleration of the rammer 4, the acceleration is a, the first displacement sensor 5 can detect the displacement of the rammer 4, the starting switch of the motor 6 is electrically connected with the timer 3, which can start the motor 6 and the timer 3 at the same time, the control switch 47 is started when the rammer 4 impacts the pile body 19, and then the timer 3 is controlled to time, the time is t, and then the displacement h = 1 / 2gt^2 of the free fall can be calculated, g is the acceleration of gravity, the first displacement sensor 5 measures the total displacement, and then the distance of the pile body 19 falling can be calculated, and according to the change of the acceleration, the resistance of the rammer 4 can be detected, the rammer 4 falls and drives the impact plate 43 to impact the pile body 19, the sliding rod 44 can freely slide in the rammer 4, and the reaction force of the impact plate 43 impacting the pile body 19 will make the extrusion block 42 move upwards.

[0049] In order to facilitate the displacement of the pile body 19 is detected, the upper end of the slide rod 44 is fixedly installed with a limit sliding block 45, the inside of the rammer 4 is provided with a limit slot 46, the outer surface of the limit sliding block 45 is in sliding connection with the inside of the limit slot 46, the inside of the hollow slot 41 is fixedly installed with a control switch 47, the control switch 47 is electrically connected with the timer 3 through wires, the inside of the hollow slot 41 is slidably inserted with a sliding block 48, the left side surface of the sliding block 48 is in contact with the outer surface of the control switch 47, the right side surface of the sliding block 48 is in sliding connection with the outer surface of the extrusion block 42, the lower surface of the fixed circular plate 171 is fixedly installed with a second displacement sensor 173, the upper end surface of the pile body 19 is fixedly installed with a mounting block 112, the upper surface of the mounting block 112 is fixedly installed with a magnetic ring 113, the limit sliding block 45 is clamped in the limit slot 46 and slides, so that the slide rod 44 cannot be separated from the inside of the rammer 4, and it is ensured that the impact plate 43 can always be kept below the rammer 4, the extrusion block 42 extrudes the sliding block 48, the sliding block 48 extrudes the control switch 47 to start the timer 3, and the second displacement sensor 173 detects the displacement of the pile body 19 according to the magnetic ring 113 on the mounting block 112.

[0050] By setting the detection device, in order to monitor the extrusion pressure, extrusion amount and settlement amount and other parameters of the compaction pile, before the rammer 4 hits the pile body 19, the rammer 4 is free fall motion, the speed of the rammer 4 reaches the maximum before hitting the pile body 19, the resistance of the pile body 19 will make the rammer 4 gradually slow down, the acceleration sensor 2 can detect the acceleration of the rammer 4, the acceleration is a, the first displacement sensor 5 can detect the displacement of the rammer 4, the start switch of the motor 6 is electrically connected with the timer 3, the motor 6 and the timer 3 can be started at the same time, the control switch 47 is started when the rammer 4 hits the pile body 19, and then the timer 3 is controlled to time, the time is t, and then the displacement h of the free fall body can be calculated as 1 / 2gt^2, g is the acceleration of gravity, the first displacement sensor 5 measures the total displacement, and then the distance of the pile body 19 falling can be calculated, and according to the change of the acceleration and the known total weight of the rammer 4 plus the impact plate 43, the resistance of the rammer 4 can be calculated, so as to conveniently detect the specific influencing factors of the compaction pile.

[0051] By setting the starting device, when the rammer 4 is controlled, the motor 6 is started, the rotating shaft drives the rotating plate to rotate, the steel wire 8 is wound, two limiting circular plates 71 are installed on the winding rod 7, the steel wire 8 is limited in the middle by the two limiting circular plates 71, so that the steel wire 8 cannot slide arbitrarily outside the winding rod 7, the supporting seat 12 supports the winding rod 7, so that the winding rod 7 can stably rotate, avoiding that the winding rod 7 bears too much pressure, the steel wire 8 pulls the rammer 4, and after being pulled to a certain height, the motor 6 is turned off, the rammer 4 falls and hits the pile body 19, so that the pile body 19 sinks into the ground, and the effect of ensuring stable work of the rammer 4 is achieved.

[0052] By setting the second displacement sensor 173, the pile body 19 is free to stick to the ground before the pile body 19 is not hit, and the second displacement sensor 173 detects the displacement of the pile body 19 through the magnetic ring 113 on the mounting block 112 after the pile body 19 is hit by the rammer 4, thereby being able to detect the depth of the pile body 19 sinking into the ground, and the cross-sectional area of the pile body 19 is determined by prior measurement, and then the displacement can be calculated to calculate the amount of filler, so as to achieve the effect of conveniently detecting the amount of filler.

[0053] By setting the limiting round rod 111 and the fixed block 110, the fixed block 110 is clamped outside the limiting round rod 111 to slide when the pile body 19 moves up and down, so that the pit punched on the ground cannot be inclined, and the construction is more convenient, thereby achieving the effect of ensuring that the pile body 19 does not deviate when moving.

[0054] Working principle: in order to monitor the extrusion force, extrusion amount and settlement amount of the compaction pile and other parameters, start the motor 6, drive the rotating plate to rotate, and wind the steel wire 8, the steel wire 8 pulls the rammer 4, and after being pulled to a certain height, the motor 6 is turned off, the rammer 4 falls and hits the pile body 19, and the pile body 19 sinks into the ground. Before the rammer 4 hits the pile body 19, the rammer 4 is in free fall motion, the speed of the rammer 4 reaches the maximum instant before hitting the pile body 19, and the resistance of the pile body 19 will make the rammer 4 gradually slow down, and the acceleration sensor 2 can detect the acceleration of the rammer 4, and the acceleration is a, the first displacement sensor 5 can detect the displacement of the rammer 4, the start switch of the motor 6 is electrically connected with the timer 3, the motor 6 and the timer 3 can be started at the same time, the control switch 47 is started when the rammer 4 hits the pile body 19, and then the timer 3 is controlled to time, and the time is t, and then the displacement h of the free fall body is calculated, g is the acceleration of gravity, the total displacement is measured by the first displacement sensor 5, and then the falling distance of the pile body 19 is calculated, and the resistance of the rammer 4 is calculated according to the change of the acceleration and the total weight of the rammer 4 and the impact plate 43.

[0055] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A lime-soil compaction pile construction optimization method based on an intelligent compaction monitoring system, comprising a construction vehicle (1), characterized in that: The construction vehicle (1) has a detection device installed at the front end and above. The detection device includes an acceleration sensor (2), a timer (3), a tamping hammer (4) and a first displacement sensor (5). The tamping hammer (4) moves up and down, causing the acceleration sensor (2) and the timer (3) to move synchronously. The tamping hammer (4) drives the detection head of the first displacement sensor (5) to move. A starting device is provided above the construction vehicle (1). The starting device includes a motor (6), a winding rod (7), and a steel rope (8). The motor (6) controls the winding rod (7) to rotate, and the winding rod (7) winds the steel rope (8). The steel rope (8) pulls the tamping hammer (4) to move up and down. The acceleration sensor (2) and the timer (3) are both fixedly installed on the upper surface of the tamping hammer (4). A slot (41) is opened at the lower end of the tamping hammer (4). An extrusion block (42) is slidably inserted into the slot (41). An impact plate (43) is fixedly installed on the lower surface of the extrusion block (42), and a sliding rod (44) is fixedly installed on the upper surface of the impact plate (43). The four sliding rods (44) are arranged in a ring array with the axis of the impact plate (43) as the array center. A control switch (47) is fixedly installed inside the slot (41). The control switch (47) is electrically connected to the timer (3) through a wire. A sliding block (48) is slidably inserted inside the slot (41). The left side surface of the sliding block (48) is in contact with the outer surface of the control switch (47). The right side surface of the sliding block (48) is slidably connected to the outer surface of the extrusion block (42). The start switch of the motor (6) is electrically connected to the timer (3), so that the motor (6) and the timer (3) can be started at the same time. The control switch (47) is started when the hammer (4) hits the pile.

2. The lime-soil compaction pile construction optimization method based on the intelligent compaction monitoring system according to claim 1, characterized in that: A mounting base (11) is fixedly installed on the top of the construction vehicle (1). The motor (6) is fixedly installed inside the mounting base (11). The winding rod (7) is fixedly connected to the rotating shaft of the motor (6). A limiting circular plate (71) is fixedly installed on the outer surface of the winding rod (7).

3. The lime-soil compaction pile construction optimization method based on the intelligent compaction monitoring system according to claim 2, characterized in that: The steel rope (8) is wound around the outer surface of the winding rod (7), one end of the steel rope (8) is fixedly connected to the outer surface of the winding rod (7), the steel rope (8) is placed between two limiting circular plates (71), and a support seat (12) is fixedly installed on the upper surface of the construction vehicle (1), and the upper surface of the support seat (12) is rotatably connected to the outer surface of the winding rod (7).

4. The lime-soil compaction pile construction optimization method based on the intelligent compaction monitoring system according to claim 1, characterized in that: The tamping hammer (4) is fixedly connected to the other end of the steel rope (8). A bracket (13) is fixedly installed on the upper surface of the construction vehicle (1). A fixed round rod (14) is fixedly installed on the outer surface of the bracket (13). The outer surface of the fixed round rod (14) is slidably connected to the outer surface of the steel rope (8).

5. The lime-soil compaction pile construction optimization method based on the intelligent compaction monitoring system according to claim 4, characterized in that: The lower surface of the support (13) is fixedly installed with mounting plates (15), two mounting plates (15) are horizontally symmetrically distributed with the axis of the support (13) as the center of symmetry, a limiting rod (16) is fixedly installed between the two mounting plates (15), and the outer surface of the limiting rod (16) is in sliding connection with the outer surface of the steel rope (8).

6. The lime-soil compaction pile construction optimization method based on the intelligent compaction monitoring system according to claim 4, characterized in that: The upper surface of the construction vehicle (1) is fixedly installed with a mounting rod (17), the upper end surface of the mounting rod (17) is fixedly installed with a fixed circular plate (171), the first displacement sensor (5) is fixedly installed on the lower surface of the support (13), the detection head of the first displacement sensor (5) is fixedly connected with the upper surface of the rammer (4), the inside of the fixed circular plate (171) is provided with a circular hole (172), and the steel rope (8) is located inside the circular hole (172).

7. The lime-soil compaction pile construction optimization method based on the intelligent compaction monitoring system according to claim 6, characterized in that: The lower end surface of the construction vehicle (1) is fixedly installed with a mounting circular ring (18), the inside of the mounting circular ring (18) is slidingly inserted with a pile body (19), the upper end surface of the pile body (19) is fixedly connected with a fixed block (110), and two fixed blocks (110) are horizontally symmetrically distributed with the axis of the pile body (19) as the center of symmetry.

8. The lime-soil compaction pile construction optimization method based on the intelligent compaction monitoring system according to claim 7, characterized in that: The mounting circular ring (18) and the fixed circular plate (171) are fixedly installed with limiting circular rods (111), two limiting circular rods (111) are horizontally symmetrically distributed with the axis of the pile body (19) as the center of symmetry, and the outer surfaces of the two limiting circular rods (111) are respectively in sliding connection with the insides of the two fixed blocks (110).

9. The lime-soil compaction pile construction optimization method based on the intelligent compaction monitoring system according to claim 8, characterized in that: The upper end of the sliding rod (44) is fixedly installed with a limiting sliding block (45), the inside of the rammer (4) is provided with a limiting groove (46), the outer surface of the limiting sliding block (45) is in sliding connection with the inside of the limiting groove (46), the lower surface of the fixed circular plate (171) is fixedly installed with a second displacement sensor (173), the upper end surface of the pile body (19) is fixedly installed with a mounting block (112), and the upper surface of the mounting block (112) is fixedly installed with a magnetic ring (113).

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