阅读说明：本技术 一种挤密桩施工装置及其方法 (Compaction pile construction device and method ) 是由 刘燕华 于 2020-04-26 设计创作，主要内容包括：本发明提供了一种挤密桩施工装置及其方法,包括主机平台、塔架和桩管,塔架设于主机平台上,主机平台和塔架用于控制调节桩管的位置和工作,桩管通过扶持装置与塔架可拆卸连接,所述桩管内设有锤体、脱钩器和导轨,导轨竖直安装在桩管内壁,锤体通过脱钩器的控制沿导轨在桩管内自由落体运动击打桩管底部一同下沉。本发明为轨道式触发脱钩机构使锤体稳定精确锤击,锤体落差可调可控,大大的增强了锤击能级,保证了桩点的精确度,提高了击打频率,消音装置的设置降低了桩管的震动,降低共振的发生,有效的降低了声噪,提高了环保；缩短了锤体的释放时间,提高了锤体击打频率,提高本发明的使用寿命。(The invention provides a compaction pile construction device and a compaction pile construction method. The rail-type trigger unhooking mechanism ensures that the hammer body can stably and accurately hammer, the drop height of the hammer body can be adjusted and controlled, the hammering energy level is greatly enhanced, the accuracy of pile points is ensured, the hitting frequency is improved, the vibration of a pile pipe is reduced due to the arrangement of the silencing device, the occurrence of resonance is reduced, the sound noise is effectively reduced, and the environmental protection is improved; the release time of the hammer body is shortened, the beating frequency of the hammer body is improved, and the service life of the hammer is prolonged.)

1. The utility model provides an compaction pile construction equipment, includes host computer platform, pylon and stake pipe, on the host computer platform was located to the pylon, host computer platform and pylon were used for controlling the position and the work of adjusting the stake pipe, and the stake pipe can be dismantled its characterized in that through holding device and pylon: the pile pipe is internally provided with a hammer body, a detacher and a guide rail, the guide rail is vertically arranged on the inner wall of the pile pipe, and the hammer body freely falls along the guide rail in the pile pipe under the control of the detacher to hit the bottom of the pile pipe and sink together.

2. The compacted pile construction apparatus of claim 1, wherein: the pile pipe is internally provided with a silencing device with a noise reduction function, the silencing device is a reinforcing rib, and the reinforcing rib is vertically arranged on the inner wall of the pile pipe and is distributed along the circumference of the inner wall of the pile pipe; or the reinforcing ribs are arranged in a circle shape and concentric with the pile pipe, and are fixedly welded on the inner wall of the pile pipe at equal intervals.

3. The compacted pile construction apparatus of claim 1, wherein: the unhooking device comprises a hook, a shell and a trigger mechanism, the shell moves along a track through traction of the traction mechanism, and the trigger mechanism used for controlling the hook to grab and lock the hammer body and release the hammer body to fall is arranged on the shell.

4. The compacted pile construction apparatus of claim 3, wherein: the trigger mechanism comprises a clamping block and a shifting rod which are arranged in the shell, the clamping block is connected with one end of the shifting rod in a shaft mode, and the other end of the shifting rod drives the clamping block to move up and down under the control of the unhooking ejector rod.

5. The compacted pile construction apparatus of claim 4, wherein: the shell is provided with an installation cavity, the clamping block is embedded in the installation cavity, and the deflector rod is in shaft connection with the shell; the upper end of the shell is provided with a cushion pad.

6. The compacted pile construction apparatus of claim 1, wherein: the traction device comprises a pulley assembly and a steel wire rope, the pulley assembly is arranged at the upper end of the unhooking device and is connected with the tower frame through the steel wire rope, and a unhooking device limiting block is arranged above the unhooking device.

7. The compacted pile constructing apparatus according to any one of claims 1 to 6, wherein: the pile pipe comprises an upper drilling body, a lower drilling body and a drill bit, wherein the lower drilling body is positioned between the upper drilling body and the drill bit, the upper drilling body is detachably connected with the lower drilling body, and the lower drilling body is detachably connected with the drill bit or is integrally formed.

8. The compacted pile construction apparatus of claim 7, wherein: the upper drill body is internally provided with a silencing material, the outer diameter of the drill bit is larger than that of the lower drill body, the upper end of the drill bit is provided with a tamping plate, and the tamping plate is positioned at the bottom of the lower drill body.

9. The compacted pile construction apparatus of claim 8, wherein: the hydraulic pile pipe pile supporting device is characterized in that the supporting device is a hydraulic supporting rod and comprises a main rod, a hydraulic rod and a clamping device, one end of the main rod is in shaft connection with the tower, the other end of the main rod is connected with the clamping device, the hydraulic rod comprises a first hydraulic rod and a second hydraulic rod, the main rod rotates by taking the movable shaft as a shaft through the driving of the first hydraulic rod, and the clamping device clamps the pile pipe through the driving of the second hydraulic rod.

10. A method for using an apparatus for constructing compacted piles, which is characterized in that the apparatus for constructing compacted piles according to any one of claims 1 to 9 is used for construction, and comprises the following steps:

determining a striking position, aligning a pile pipe drill bit to a pre-striking position, and adjusting the vertical angle of a pile pipe through a supporting device;

secondly, free falling body striking, namely lifting the hammer body through a detacher, wherein the detacher is controlled by a trigger mechanism, the hammer body is automatically released when lifted to the highest position, the hammer body freely falls in the pile pipe to strike the bottom of the pile pipe, and the hammer body and the pile pipe sink together;

and thirdly, withdrawing the pile pipe, repeating the second step for multiple times, hammering the pile pipe to sink to a set position, and pulling out the pile pipe through a lifter.

Technical Field

The invention relates to a compaction pile technology, in particular to a compaction pile construction device and a method thereof.

Background

Large buildings need firm pile foundations, and the foundation piles of the large buildings are various, such as concrete cast-in-place piles, concrete precast piles, steel pipe piles, steel plate piles and the like. The cast-in-place pile has good continuity, large frictional resistance and strong bearing capacity of a single pile, but needs to be constructed by forming holes firstly and then placing a reinforcement cage for cast-in-place concrete. The precast pile can be produced in batches in factories and constructed by a beating and pressing method on site, but the precast pile has poor continuity, more broken piles, unreliable pile connecting positions, more hidden dangers, small friction resistance and poor single-pile bearing capacity, and cannot corrode saline, alkali and seawater. So that the cast-in-place concrete piles are used in large quantities in important places. The cast-in-place pile must be pre-perforated. The hole forming construction has many modes, such as manual hole digging, drilling by a drilling machine, punching and hole forming, and punching or pressing in a steel pipe and then pulling out the steel pipe to form a hole. Though the manual hole digging is simple, the hole digging is easy to collapse, the wall protection cost is high, the safety is poor, and the efficiency is low. The drilling and punching holes of the drilling machine need mud protection walls, the field environment pollution is severe, the organization and the work of a construction field are difficult, and the construction cost is high. The static pressure steel pipe of the static pile press is utilized to draw the pipe again to form the hole, so that the advantages are provided, but the capability of penetrating a gravel layer of a sand layer is poor, and the pile can not meet the design requirement easily. The steel pipe is hammered and then the pipe is pulled out for hole forming, so that the sand layer pebble layer penetrating capacity is high, the tonnage of the pile hammer is large, and the construction cost is high. The construction of forming the hole by combining the beating, pressing and pulling of the steel pipe is a construction method with simple construction, high construction efficiency and no environmental pollution. However, the existing static pile driver has a huge structure, and the existing pile driver construction needs a high frame, so that the three processes of driving, pressing and pulling are difficult to be effectively combined to complete the hole forming construction of the steel pipe by driving, pressing and pulling. Particularly, it is more difficult to form a hole having a large diameter.

The invention discloses a composite hammer vibration immersed tube compaction piling method with the patent number of CN102966104A, which comprises the following steps: forming holes according to the construction method of a common pipe-sinking pile machine; when the self reaction force of the pile machine reaches a preset threshold value and the pile pipe still cannot continue to drill, stopping drilling of the pile machine, and lifting the diesel hammer through a pile machine hoisting system; after the diesel hammer is lifted to a preset height, the diesel hammer explodes under the assistance of a hoisting system; then the diesel hammer pushes the pile pipe to continuously drill to the designed height through the transmission of the chassis under the self gravity and the acceleration generated by the free falling body of the hammer head; after the hole is formed, the diesel hammer is lifted and locked, and the pipe-sinking pile machine is repeatedly carried out according to the steps of filling, reverse insertion and vibration compaction until the pile forming is finished. The invention has the characteristics of low cost and high efficiency. Traditional mode all adopts hydraulic pressure or diesel engine etc. to hit and beats, but traditional mode causes the situation such as damage, the oil leak of equipment to appear easily in the heavy pipe of hammering in the use, and the huge influence environment of noise, machining efficiency is low, wastes time and energy.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a compaction pile construction device and a compaction pile construction method which are convenient for reducing environmental pollution, improving the hammer body releasing striking efficiency and pile sinking efficiency and reducing noise.

The technical scheme of the invention is as follows: the utility model provides an crowded close pile construction equipment, includes host computer platform, pylon and stake pipe, on the host computer platform was located to the pylon, host computer platform and pylon were used for controlling the position and the work of adjusting the stake pipe, and the stake pipe can be dismantled with the pylon through support device and be connected, the intraductal hammer block that is equipped with of stake, unhook ware and guide rail, the guide rail is vertical installs at stake intraductal wall, and the hammer block is hit the stake bottom of pipe together to sink along the guide rail free falling body motion in the stake pipe through the control of unhook ware.

Preferably, the upper end of the hammer body is provided with a hanging head, and the upper end of the hanging head is conical. The detacher can grab and release the hammer body conveniently, and the striking efficiency of the hammer body is improved.

The technical scheme has the advantages that the unhooking mechanism is triggered through the rail type to enable the hammer body to stably and accurately hammer, the beating efficiency and frequency are effectively improved, the complexity of a traditional mode is reduced, the maintenance cost of equipment is reduced, meanwhile, the influence of oil stains on the environment is reduced, meanwhile, the noise pollution caused by beating is greatly reduced, the environment protection is effectively improved, the drop of the hammer body can be set to be larger according to the processing requirement and is at least more than 10m, the pile forming depth can be better improved, and the application range of the invention is effectively enlarged.

Furthermore, a noise reduction device with a noise reduction function is arranged in the pile tube, preferably, the noise reduction device is a reinforcing rib, the reinforcing rib is vertically arranged on the inner wall of the pile tube and distributed along the circumference of the inner wall of the pile tube, and the reinforcing ribs are connected through a reinforcing hoop, so that the vibration of the pile tube is reduced, and the noise reduction effect is further improved; preferably, the strengthening rib can many dislocation sets, is convenient for reduce the resonance effect of strengthening rib, further improves the noise reduction effect.

Or the reinforcing ribs are arranged in a circle shape and are concentric with the pile pipe, the reinforcing ribs are fixedly welded on the inner wall of the pile pipe at equal intervals, and the reinforcing ribs are fixedly connected through the connecting rods, so that the structural strength between the reinforcing ribs is convenient to reduce, and the reinforcing ribs are prevented from falling off after strong shock.

Preferably, silencing device still includes shock attenuation, sound insulation material such as amortization cotton, and silencing material can install the inner wall that sets up at the stake pipe, is located between the strengthening rib or covers the strengthening rib entirely, is convenient for promote silencing device's noise cancelling effect.

Furthermore, the unhooking device comprises a hook, a shell and a trigger mechanism, the shell moves along the track through traction of the traction mechanism, and the trigger mechanism used for controlling the hook to grab, lock and release the hammer body and fall is arranged on the shell. When the hammer is used, the hook is controlled by the traction device to grab the hammer body below the hook, the traction device is lifted up to lift the hook after grabbing, so that the hook is locked, the hammer body is prevented from falling off, when the hammer body rises to the highest position, the hook releases the hammer body under the action of the trigger mechanism, the hammer body freely falls along the guide rail, accurate striking is realized on a drill bit, and the pile pipe and the hammer body are together sunk to the ground.

Furthermore, the trigger mechanism comprises a clamping block and a shifting rod which are arranged in the shell, the clamping block is connected with one end of the shifting rod in a shaft mode, and the other end of the shifting rod drives the clamping block to move up and down under the control of the unhooking ejector rod. The middle of the deflector rod is connected with the shell through a shaft, in the using process, the deflector rod is pressed when the unhooking ejector rod falls, the deflector rod rotates by taking the shaft as an axis, and therefore the other end of the deflector rod drives the clamping block to move upwards, and the hammer body is released.

Preferably, the unhooking ejector rod is installed on the inner wall of the pile pipe through the fixing seat, the unhooking ejector rod is arranged corresponding to the shifting rod, the upper end of the unhooking ejector rod is provided with a thickening body, the unhooking ejector rod is enabled to ascend under the inertia impact of the hammer body due to the inertia effect of the hammer body in the ascending process, the position of the hammer body is enabled to ascend, the shifting rod is hammered in the falling process, the unhooking device is released instantly, and therefore the hitting frequency of the hammer body is improved.

Furthermore, an installation cavity is arranged on the shell, the clamping block is embedded in the installation cavity, and the deflector rod is in shaft connection with the shell; the upper end of the shell is provided with the cushion pad, so that the damage of the rising inertia of the hammer body to the shell is reduced, and the service life of the hammer is prolonged.

Preferably, the couple upper end is equipped with screens portion, screens portion and installation cavity intercommunication, and the clamp splice removes in screens portion and installation cavity, and the couple includes three claws at least, claw and casing coupling. The hammer body is convenient to grab quickly and safely, the falling off in the lifting process is prevented, and the frequency of the hammer body striking drill bit is convenient to improve.

Furthermore, draw gear includes loose pulley assembly and wire rope, and loose pulley assembly locates the upper end of unhooking device, and loose pulley assembly passes through wire rope and is connected with the pylon, and the top of unhooking device is equipped with unhooking device stopper.

Furthermore, the pile tube comprises an upper drilling body, a lower drilling body and a drill bit, wherein the lower drilling body is positioned between the upper drilling body and the drill bit, the upper drilling body and the lower drilling body are detachably connected, and the lower drilling body and the drill bit are detachably connected or integrally formed.

Furthermore, a silencing material is arranged in the upper drilling body, the outer diameter of the drill bit is larger than that of the lower drilling body, a tamping plate is arranged at the upper end of the drill bit, and the tamping plate is positioned at the bottom of the lower drilling body.

Further, the pole is right for hydraulic pressure to the support device, including mobile jib, hydraulic stem and clamping device, the one end and the pylon coupling of mobile jib, clamping device is connected to the other end, and the hydraulic stem includes first hydraulic stem and second hydraulic stem, and the mobile jib uses the loose axle to rotate as the axle through the drive of first hydraulic stem, and clamping device carries out the centre gripping to the stake pipe through the drive of second hydraulic stem.

The use method of the compaction pile construction device is used for construction, and comprises the following steps:

determining a striking position, aligning a pile pipe drill bit to a pre-striking position, and adjusting the vertical angle of a pile pipe through a supporting device;

secondly, free falling body striking, namely lifting the hammer body through a detacher, wherein the detacher is controlled by a trigger mechanism, the hammer body is automatically released when lifted to the highest position, the hammer body freely falls in the pile pipe to strike the bottom of the pile pipe, and the hammer body and the pile pipe sink together;

and thirdly, withdrawing the pile pipe, repeating the second step for multiple times, hammering the pile pipe to sink to a set position, and pulling out the pile pipe through a lifter.

The invention has the following characteristics: the rail-type trigger unhooking mechanism ensures that the hammer body can stably and accurately hammer, the drop height of the hammer body can be adjusted and controlled, the hammering energy level is greatly enhanced, the accuracy of pile points is ensured, the hitting frequency is improved, the vibration of a pile pipe is reduced due to the arrangement of the silencing device, the occurrence of resonance is reduced, the sound noise is effectively reduced, and the environmental protection is effectively improved; the scheme effectively shortens the release time of the hammer body, improves the working efficiency of the hammering device and the frequency of hammering of the hammer body, improves the hammering speed of the compaction pile construction device on a construction foundation, is convenient to improve the wide application of the compaction pile construction device, breaks through the limitation of the lifting stroke and the hammering strength of the traditional hydraulic and diesel engine lifting hammer body, and effectively prolongs the service life of the hydraulic and diesel engine lifting hammer.

The detailed structure of the present invention will be further described with reference to the accompanying drawings and the detailed description.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the detacher installation;

FIG. 3 is an enlarged schematic view of the detacher;

FIG. 4 is a schematic view of the toggle lever mounting;

FIG. 5 is a schematic view of the claw structure;

FIG. 6 is a schematic view of the opening and closing configuration of the hydraulic centralizing rod;

FIG. 7 is a cross-sectional view of the lower drill body;

FIG. 8 is a cross-sectional view of the hammer block in the lower bit;

FIG. 9 is a cross-sectional view of the drill bit;

1-a host platform, 2-a pull rod, 3-a tower, 4-a steel wire rope, 5-a hydraulic centralizing rod, 6-an upper drill body, 7-a detacher, 8-a lower drill body, 9-a drill bit, 10-a detacher mandril, 11-a driven wheel, 12-a claw, 13-a hanging head, 14-a hammer body, 15-a guide rail, 16-a deflector rod, 17-a buffer pad, 18-an installation cavity, 19-a shell, 20-a clamping block, 21-a clamping part, 22-a main rod, 23-a first clamping block, 24-a second hydraulic rod, 25-a pile pipe, 26-a second clamping block, 27-a reinforcing hoop, 28-a reinforcing rib and 29-a guide rib.

Detailed Description

As shown in the attached drawings: a compaction pile construction device comprises a host platform 1, a tower 3 and a pile pipe 25, wherein the tower 3 is arranged on the host platform 1, the upper end of the tower 3 is connected with the host platform 1 through a pull rod 2, the host platform 1 and the tower 3 are used for controlling and adjusting the position and work of the pile pipe 25, the pile pipe 25 is detachably connected with the tower 3 through a supporting device, a hammer body 14, a detacher 7 and a guide rail 15 are arranged in the pile pipe 25, the guide rail 15 is vertically arranged on the inner wall of the pile pipe 25, the hammer body 14 freely falls along the guide rail 15 in the pile pipe 25 under the control of the detacher 7 to strike the bottom of the pile pipe 25 and sink together, preferably, a hanging head 13 is arranged at the upper end of the hammer body 14, the upper end of the hanging head 13 is conical, the detacher 7 can conveniently grab and release the hammer body 14, guide grooves are arranged at two sides of the hammer body 14, the hammer body 14 can conveniently move along the guide rail 15, the deviation in the moving process can be prevented, the guide groove is internally and additionally provided with a pulley.

In the embodiment, a noise reduction device with a noise reduction function is further arranged in the pile tube 25, preferably, the noise reduction device is a reinforcing rib 28, the reinforcing rib 28 is vertically arranged on the inner wall of the pile tube 25 and distributed along the circumference of the inner wall of the pile tube 25, and the reinforcing ribs 28 are connected through a reinforcing hoop 27, so that the vibration of the pile tube 25 is reduced, and the noise reduction effect is further improved; preferably, the reinforcing ribs 28 can be arranged in a plurality of staggered positions, so that the resonance effect of the reinforcing ribs 28 is reduced, and the noise reduction effect is further improved.

In another embodiment, the reinforcing ribs 28 are arranged concentrically with the pile tube 25 in a circular ring shape, and are fixedly welded on the inner wall of the pile tube 25 at equal intervals, and the reinforcing ribs 28 are connected and fixed through connecting rods, so that the structural strength between the reinforcing ribs 28 is reduced, and the falling off after strong shock is prevented.

Preferably, silencing device still includes shock attenuation, sound insulation material such as amortization cotton, and silencing material can install the inner wall that sets up at stake pipe 25, is located between the strengthening rib 28 or covers strengthening rib 28 entirely, is convenient for promote silencing device's noise cancelling effect.

In another embodiment, the pile tube 25 comprises an upper drill body 6, a lower drill body 8 and a drill bit 9, the lower drill body 8 is positioned between the upper drill body 6 and the drill bit 9, the upper drill body 6 and the lower drill body 8 are detachably connected, and the lower drill body 8 and the drill bit 9 are detachably connected or integrally formed. Preferably, the detacher 7, the hammer body 14 and the guide rail 15 are provided in the lower drill body 8 to facilitate the hammering effect of the hammer body 14 and the noise reduction effect, which is more prominent as the depth of sinking of the pile tube 25 is deeper. For the efficiency of advancing of improving drill bit 9, drill bit 9 periphery is equipped with direction muscle 29, the promotion of the efficiency of drilling down of being convenient for, preferably, drill bit 9 upper end external diameter is greater than the external diameter of stake pipe 25 barrel, prevents stake pipe 25 and soil layer adhesion, influences the efficiency that the later stage was extracted.

In another embodiment, the upper drill body 6 is provided with sound damping material, the outer diameter of the drill bit 9 is larger than the outer diameter of the lower drill body 8, and the upper end of the drill bit 9 is provided with a tamper plate which is located at the bottom of the lower drill body 8. Preferably, for the installation convenience of each part inside the pile pipe 25 that improves, go up brill body 6 and adopt two halves semicircular metal pipe to make, through the bolt-up, be convenient for overhaul the tubular pile and maintain, can add noise insulation in going up brill body 6, reduce its inside space, increase sound absorbing material or sound insulating material, the spread of noise reduction.

In the embodiment, the supporting device is a hydraulic supporting rod 5, and comprises a main rod 22, a hydraulic rod and a clamping device, one end of the main rod 22 is coupled to the tower 3, the other end of the main rod is connected to the clamping device, the hydraulic rod comprises a first hydraulic rod and a second hydraulic rod 24, the main rod 22 is driven by the first hydraulic rod to rotate around a movable shaft, and the clamping device clamps the pile pipe 25 by the driving of the second hydraulic rod 24; preferably, the clamping device comprises a first clamping block 23 and a second clamping block 26 which are semicircular, one end of the first clamping block 23 and one end of the second clamping block 26 are connected to the end of the main rod 22 through shafts, and the other end of the first clamping block 23 and the other end of the second clamping block 26 are driven to open and close through a second hydraulic rod 24; on pylon 3 was located to the one end of first hydraulic stem, its other end and mobile jib 22 coupling, started the position that first hydraulic stem adjusted mobile jib 22 to adjust the position and the direction of stake pipe 25, be equipped with soft cushion in the clamp splice 20, be convenient for improve the joint strength between holding device and the stake pipe 25, improve frictional force and prevent to slide.

In another embodiment, the supporting device may also be a supporting frame, which is longitudinally arranged on one side of the host platform 1 to perform the functions of centering, clamping and guiding the pile pipe 25, so that the pile body can enter the ground in a predetermined direction.

In the embodiment, the detacher 7 comprises a hook, a shell 19 and a trigger mechanism, the shell 19 moves along the track under the traction of the traction mechanism, and the trigger mechanism for controlling the hook to grab and lock the hammer body 14 and release the falling is arranged on the shell 19. During the use, the hook is controlled by the traction device to grab the hammer body 14 below the hook, the traction device is lifted up to lift the hook after grabbing, so that the hook is locked, the hammer body 14 is prevented from falling off, when the hammer body 14 is lifted to the highest position of the setting, the hook releases the hammer body 14 through the action of the trigger mechanism, the hammer body 14 freely falls along the guide rail 15, accurate striking is realized on the drill bit 9, and the pile pipe 25 and the hammer body 14 are together sunk to the ground.

In the embodiment, the trigger mechanism comprises a clamping block 20 and a shifting lever 16 which are arranged in a shell 19, wherein the clamping block 20 is connected with one end of the shifting lever 16 in a shaft mode, and the other end of the shifting lever 16 drives the clamping block 20 to move up and down through the control of the unhooking ejector rod 10. The middle of the shift lever 16 is connected with the shell 19 through a shaft, and in the use process, when the unhooking ejector rod 10 falls, the shift lever 16 is pressed, the shift lever 16 rotates by taking the shaft as the axis, so that the other end of the shift lever 16 drives the clamping block 20 to move upwards, and the hammer body 14 is released.

Preferably, the unhooking ejector rod 10 is vertically installed on the inner wall of the pile pipe 25 through a fixed seat, a through hole is formed in the fixed seat, the unhooking ejector rod 10 penetrates through the through hole and can move up and down in the through hole, the unhooking ejector rod 10 is arranged corresponding to the shifting rod 16, a thickening body is arranged at the upper end of the unhooking ejector rod 10, the weight of the unhooking ejector rod 10 can be increased, meanwhile, the unhooking ejector rod is prevented from being separated from the fixed seat, the unhooking ejector rod 10 is enabled to ascend under the inertia impact of the hammer body 14 due to the inertia effect of the hammer body 14 in the ascending process, the position of the hammer body 14 is enabled to ascend, the shifting rod 16 is hammered in the descending process.

In the embodiment, the housing 19 is provided with a mounting cavity 18, the clamping block 20 is embedded in the mounting cavity 18, and the shift lever 16 is coupled with the housing 19; the upper end of the shell 19 is provided with a cushion pad 17, so that the damage of the rising inertia of the hammer 14 to the shell 19 is reduced, and the service life of the shell is prolonged.

Preferably, the upper end of the hook is provided with a clamping part 21, the clamping part 21 is communicated with the mounting cavity 18, the clamping block 20 moves in the clamping part 21 and the mounting cavity 18, the hook comprises at least three claws 12, and the claws 12 are in shaft connection with the shell 19. The hammer 14 can be conveniently and safely grabbed, the falling off in the lifting process can be prevented, and the frequency of the hammer 14 striking the drill bit 9 can be conveniently improved.

Preferably, the longitudinal height of the installation cavity 18 is larger than or equal to the height of the clamping block 20, when the hammer 14 is released, the clamping block 20 can be completely withdrawn from the clamping part 21 on the hook, the hook is pushed upwards by the conical hanging head 13 of the hammer 14 due to the rising inertia of the hammer 14, and the hook is opened to release the hammer 14.

In the embodiment, the traction device comprises a pulley assembly and a steel wire rope 4, the pulley assembly is arranged at the upper end of the unhooking device 7 and is connected with the tower 3 through the steel wire rope 4, and a unhooking device 7 limiting block is arranged above the unhooking device 7.

Preferably, the pulley assembly comprises a driven wheel 11 arranged on the unhooking device 7, a driving wheel arranged on the host platform 1 and a guide wheel arranged on the tower 3, and the driven wheel 11, the driving wheel and the guide wheel are connected through a steel wire rope 4, so that the unhooking device 7 is controlled, and the hammer body 14 is grabbed and released.

The application method of the compaction pile construction device adopts the compaction pile construction device for construction, and comprises the following steps:

firstly, determining a striking position, aligning a drill bit 9 of a pile pipe 25 to a pre-striking position, adjusting the vertical angle of the pile pipe 25 through a supporting device, adjusting the height of the pile pipe 25 according to the processing requirement, prolonging the length of a lower drill body 8 if necessary, or lifting the height by adopting a splicing mode, so that the drop height of a hammer body 14 is higher, and the hammering force is more favorable;

secondly, striking by free falling, namely lifting the hammer body 14 through the detacher 7, wherein the detacher 7 is controlled by the trigger mechanism, the hammer body 14 is automatically released when lifted to the highest position, the hammer body 14 strikes the bottom of the pile pipe 25 by free falling in the pile pipe 25, and the hammer body 14 and the pile pipe 25 sink together;

and thirdly, withdrawing the pile pipe 25, repeating the second step for multiple times, hammering and sinking the pile pipe 25 to a set position, and pulling out the pile pipe 25 through a lifter.

The technical scheme is that the rail type triggering unhooking mechanism enables the hammer body 14 to stably and accurately hammer, the drop distance of the hammer body 14 is adjustable and controllable, the hammering energy level is greatly enhanced, the accuracy of pile points is ensured, the hitting frequency is improved, the noise and the raised dust are reduced, and the environmental protection is effectively improved; in the use process, firstly, the pile pipe 25 aligns the drill bit 9 to a pre-striking position through the action of the host platform 1, the tower crane and the supporting device, the steel wire rope 4 is driven by the host platform 1 to drive the hook to move, the hammer body 14 in the pipe pile is grabbed, the hammer body 14 is lifted to a set position, the trigger is extruded by the rising inertia of the hammer body 14, the unhooking ejector rod 10 is pressed against the deflector rod 16, the clamping block 20 is separated from the clamping part 21 of the hook, meanwhile, the hook is extruded upwards by the hanging head 13 of the hammer body 14, the hook is opened, and therefore the release of the hammer body 14 is achieved, the work efficiency of the hammer body 14 is effectively improved, the noise pollution is reduced, the pollution of oil to the environment is reduced, meanwhile, the striking frequency is improved, and the market popularization and application are facilitated.

The above description is of the preferred embodiment of the present invention and the technical principles applied thereto, and it will be apparent to those skilled in the art that any changes and modifications based on the equivalent changes and simple substitutions of the technical solutions of the present invention are within the protection scope of the present invention without departing from the spirit and scope of the present invention.