CN113981971A - Pile driver for construction that stability can be good - Google Patents

Abstract

The invention discloses a pile driver with good stability for building construction, which comprises a protective cover, wherein the inner wall of the protective cover is vertically and slidably connected with a gravity metal block, the top of the gravity metal block is fixedly connected with a connecting column, the top of the connecting column is fixedly connected with a limiting block, the inner top of the protective cover is provided with a clamping mechanism, the clamping mechanism comprises an installation box, the installation box is vertically and slidably connected with the inner wall of the protective cover, the inner wall of the installation box is fixedly connected with a partition plate, the bottom of the partition plate is provided with a connecting rod, the top of the partition plate is fixedly connected with a hydraulic cylinder, and the output end of the hydraulic cylinder is fixedly connected with the connecting rod. According to the invention, through the matching of the structures, the clamping operation of the gravity metal block at any height is realized, the gravity metal block can be released at any height, and the pile foundation can be supported in a righting way when hammer-type piling is carried out, so that the quality and the efficiency of the engineering are improved.

Description

Pile driver for construction that stability can be good

Technical Field

The invention relates to the technical field of pile drivers, in particular to a pile driver with good stability for building construction.

Background

The pile driver is composed of a pile hammer, a pile frame, accessory equipment and the like, wherein a driving source is generally a hoisting system and is used for hoisting the pile and the pile hammer, and when the pile and the pile hammer are lifted to a certain height, gravitational potential energy needs to be released from the pile hammer, so that the impact on the pile foundation is completed.

The existing pile driver lifting system is connected with the pile hammer through a steel cable, the pile hammer has overlarge pulling force on the steel cable and a pile frame in the process of falling the pile hammer, the long-time use loss is serious, the inspection is frequently needed, the time and the labor are wasted, and the effect is low.

Therefore, a pile driver for construction with good stability is proposed to solve and improve the above problems.

Disclosure of Invention

The invention aims to provide a pile driver for building construction, which has high stability and can be clamped and lifted and dropped at any position, and solves the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a pile driver for construction that stability can be good, includes the protection casing, sliding connection has the gravity metal piece about the inner wall of protection casing, the top fixedly connected with spliced pole of gravity metal piece, the top fixedly connected with stopper of spliced pole, the interior top of protection casing is provided with clamping mechanism.

The clamping mechanism comprises an installation box, the installation box is connected to the inner wall of the protective cover in a vertical sliding manner, the inner wall of the installation box is fixedly connected with a partition plate, the bottom of the clapboard is provided with a connecting rod, the top of the clapboard is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with the connecting rod, the bottom of the connecting rod is fixedly connected with a support which is shaped like Contraband, the outer walls of the opposite surfaces of the two doorposts of the support are fixedly connected with pin shafts, the outer walls of the two pin shafts are rotatably connected with pin shaft sleeves, the outer walls of the two pin shaft sleeves are fixedly connected with arc-shaped columns, the arc-shaped outer walls of the two arc-shaped columns are fixedly connected with arc-shaped racks, the inner wall of the installation box is fixedly connected with a rack, the rack is meshed with the arc-shaped racks and connected, the two arc-shaped columns are internally provided with ball grooves, and the arc-shaped outer walls of the two ball grooves are provided with cylindrical grooves.

The top sliding connection of protection casing has the lifter, the lifter penetrates the top of protection casing and the top fixed connection of install bin.

The bottom of the installation box is provided with a sensing mechanism which enables the clamping mechanism to descend to reach the correct position.

The outer wall of protection casing sets up and prevents that gravity metal block from reciprocating and taking place pivoted stop gear.

The inside that the protection casing is close to the bottom is provided with the connecting rod formula righting mechanism that prevents the pile foundation slope.

Preferably, the sensing mechanism comprises a contact sensor, the contact sensor is fixedly connected to the bottom of the rack, a rubber layer is further arranged between the contact sensor and the rack, and the vertical distance from the contact sensor to the pin shaft is smaller than the height of the connecting column.

Preferably, the ball groove is a quarter-sphere, and the diameter of the ball groove is larger than or equal to that of the limiting block.

Preferably, the cylindrical groove is semicircular, the diameter of the cylindrical groove is between the diameters of the connecting column and the limiting block, and the diameter of the cylindrical groove is deviated to the diameter of the connecting column.

Preferably, stop gear includes a plurality of spouts, four, a plurality of are no less than to the spout is the array and sets up at the outer wall of protection casing, and is a plurality of sliding connection has the slider about the inner wall of spout is equal, and is a plurality of the outer wall fixed connection of slider and spout.

Preferably, righting the mechanism and including a plurality of supporting seats, it is a plurality of the supporting seat is fixed connection respectively and is being close to the protection casing outer wall of a plurality of spouts below, the supporting seat is with spout phase-match, it is a plurality of the inner wall sliding connection of spout has the mount pad, and is a plurality of the top fixedly connected with cylinder platform of mount pad is a plurality of fixedly connected with spring, a plurality of between the interior bottom of mount pad and a plurality of spout the outer wall that the support seat was kept away from to the mount pad articulates there is the hinge bar, and is a plurality of the one end of keeping away from the mount pad of hinge bar articulates there is a backplate, and is a plurality of the equal ground sliding connection in bottom of backplate.

Preferably, a plurality of the bottoms of the supporting plates are rotatably connected with a first roller, the first roller is rotatably connected with the ground or the construction ground, mounting grooves are formed in the outer walls of the supporting plates opposite to each other, a plurality of second rollers are rotatably connected in the mounting grooves, and the number of the second rollers is not less than three.

Preferably, the bottom of the gravity metal block is paved with a plurality of layers of rubber pads.

Compared with the prior art, the invention has the following beneficial effects:

firstly, the gravity metal block can be clamped and released through the clamping structure, the operation is convenient, the clamping degree is tight, meanwhile, the gravity metal block can be clamped and released at any height, and the function of adjusting the ascending height stroke of the gravity metal block is realized.

The sensing mechanism is arranged, so that the clamping operation of a worker on the gravity metal block can be better assisted, and excessive descending is prevented.

Thirdly, the clamping mechanism and the righting mechanism are matched, so that when the gravity metal block falls to a certain position, the righting and supporting of the pile foundation can be triggered, the pile foundation is prevented from toppling and shifting, and the working quality and efficiency are effectively improved.

Drawings

FIG. 1 is a schematic view of the overall stereoscopic structure of the present invention;

FIG. 2 is a schematic structural front view of the present invention;

FIG. 3 is a schematic perspective view of the present invention taken along A-A;

FIG. 4 is a schematic structural diagram of the front view of FIG. 3 according to the present invention;

FIG. 5 is a schematic structural view of a latch mechanism according to the present invention;

FIG. 6 is a schematic view of the structure of the inner structure of the installation box according to the present invention;

FIG. 7 is an enlarged view of the structure at B in FIG. 3 according to the present invention.

In the figure: 1. a protective cover; 2. a gravity metal block; 3. a supporting seat; 5. a lifting rod; 6. a chute; 7. a slider; 8. a hydraulic cylinder; 9. a connecting rod; 10. a rack; 11. a support; 12. an arc-shaped column; 13. a pin shaft; 14. connecting columns; 15. a hinged lever; 16. a spring; 17. installing a box; 18. an arc-shaped rack; 19. a limiting block; 20. a cylindrical table; 22. a contact sensor; 23. a ball groove; 24. a cylindrical groove; 25. a pin bush; 26. a mounting seat; 27. supporting the guard plate; 28. a first roller; 29. and a second roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides a pile driver for construction that stability can be good, includes protection casing 1, sliding connection has gravity metal piece 2 about the inner wall of protection casing 1, and the top fixedly connected with spliced pole 14 of gravity metal piece 2, the top fixedly connected with stopper 19 of spliced pole 14, the interior top of protection casing 1 are provided with latch mechanism.

Clamping mechanism includes install bin 17, sliding connection is at protection casing 1 inner wall about install bin 17, install bin 17 inner wall fixedly connected with baffle, the bottom of baffle is provided with connecting rod 9, the top fixedly connected with pneumatic cylinder 8 of baffle, pneumatic cylinder 8's output and connecting rod 9 fixed connection, the bottom fixedly connected with support 11 of connecting rod 9, support 11 is the Contraband style of calligraphy, the equal fixedly connected with round pin axle 13 of outer wall of two gatepost opposite faces of support 11, the outer wall of two round pin axles 13 all rotates and is connected with round pin axle sleeve 25, the equal fixedly connected with arc post 12 of outer wall of two round pin axle sleeve 25, the equal fixedly connected with arc rack 18 of arc outer wall of two arc posts 12, the inner wall fixedly connected with rack 10 of install bin 17, rack 10 is connected with the meshing of arc rack 18, ball groove 23 has been seted up to the inside of two arc posts 12, cylindrical groove 24 has been seted up to the arc outer wall of two ball grooves 23.

When the two arc-shaped columns 12 form a hemispherical cover and integrally move downwards along with the installation box 17, in the process, the limiting blocks 19 are positioned inside the spherical grooves 23 of the two arc-shaped columns 12, so that the hydraulic cylinder 8 is then driven, the connecting rod 9 is output upwards, the bracket 11 and the pin shaft 13 are driven to move upwards, due to the rotating connection relationship between the arc-shaped columns 12 and the pin shaft sleeve 25 and the pin shaft 13, the rack 10 is meshed with the arc-shaped rack 18, so that the two arc-shaped columns 12 rotate downwards along the pin shaft 13 relative to the rack 10 and the installation box 17, in the process, the pin shaft 13 moves upwards, the two cylindrical grooves 24 positioned on two sides are synchronously rotated to approach the connecting column 14 by matching with the rotation of the two arc-shaped columns 12, so that the two cylindrical grooves 24 complete clamping and fixing on the connecting column 14, at the moment, the limiting blocks 19 are positioned inside the two arc-shaped columns 12, and then complete clamping and fixing on the gravity metal block 2, in this process, the ascending displacement distance of round pin axle 13 makes two cylinder grooves 24 have a trend of joint upwards, and two cylinder grooves 24 form spacing to stopper 19, are favorable to joint smoothness nature more.

After the completion joint, make connecting rod 9 remain motionless, moving upwards through control lifter 5, make the clamping mechanism drive gravity metal block 2 rebound to accumulate gravitational potential energy, this process can accomplish height-adjustable, and height from adjusting gravity metal block 2 through adjusting clamping mechanism's height has realized that the stroke is adjustable, in order to deal with the pile foundation of different situation.

After lifting clamping mechanism and gravity metal piece 2 to take the altitude through external equipment, wherein including the hoist system power drive of ascending, then make the output of pneumatic cylinder 8 control connecting rod 9 downwards, thereby make two arc posts 12 upwards rotate along round pin axle 13, thereby make two cylinder grooves 24 slowly break away from the closure, slowly relieve the joint to spliced pole 14 promptly, it is spacing to make stopper 19 can break away from two cylinder grooves 24, thereby relieve the fixed to gravity metal piece 2, make gravity metal piece 2 can move downwards at the inner wall of protection casing 1, accomplish the pile of gravity hammer formula.

After piling is completed, the clamping lifting is carried out on the gravity metal block 2 when the clamping is downward, and piling or pile foundation separation is carried out next time.

The top sliding connection of protection casing 1 has lifter 5, lifter 5 penetrates the top of protection casing 1 and the top fixed connection of install bin 17, actuating mechanism such as lifter 5 can external hoist engine, be used for making protection casing 1 aim at the pile foundation, the completion is to the matching of pile foundation, make 1 inside gravity metal block 2 of protection casing can carry out the pile operation to the pile foundation, this is current hoist system drive, be used for making protection casing 1 reciprocate, accomplish the dispatch from top to bottom, the alignment operation of pile foundation also can be carried out.

The bottom of the mounting box 17 is provided with a sensing mechanism which enables the clamping mechanism to descend to reach the correct position, so that the phenomenon that the descending is excessive, the use fault is caused, and the safety is influenced is prevented.

The outer wall setting of protection casing 1 prevents that gravity metal piece 2 from reciprocating and taking place pivoted stop gear, makes moving down of gravity metal piece 2 guarantee certain spacing, makes it can not lead to the skew and the fracture scheduling problem of pile foundation because of rotatory and skew.

The inside that protection casing 1 is close to the bottom is provided with the mechanism of righting that prevents the pile foundation slope, and the mechanism of righting is the guarantee of the normal use of pile foundation, should right the mechanism and carry out the strut of vertical direction to the pile foundation through link mechanism.

Further, the sensing mechanism comprises a contact sensor 22, the contact sensor 22 is fixedly connected to the bottom of the rack 10, a rubber layer is further arranged between the contact sensor 22 and the rack 10, and the vertical distance from the contact sensor 22 to the pin shaft 13 is smaller than the height of the connecting column 14.

When contact sensor 22 contradicts to the top of gravity metal block 2, through contact sensor 22's forced induction to make the staff learn that clamping mechanism reaches accurate joint position.

Furthermore, the ball groove 23 is a quarter-ball shape, and the diameter of the ball groove 23 is greater than or equal to that of the limiting block 19, so that when the pin shaft 13 moves the clamping position, the limiting block 19 can enter the two ball grooves 23, namely, the two arc-shaped columns 12 form a semi-cylindrical cover, and then the connecting column 14 is clamped through the two cylindrical grooves 24, so that the limiting of the limiting block 19 by the two arc-shaped columns 12 is realized, and the clamping is completed.

Further, the cylinder groove 24 is semi-circular, and the diameter of cylinder groove 24 is between the diameter of spliced pole 14 and stopper 19, and the diameter of cylinder groove 24 is partial to the diameter of spliced pole 14 for cylinder groove 24 can be better carry out the joint to spliced pole 14, and can make the joint have certain adjustable degree.

Further, stop gear includes a plurality of spouts 6, and spout 6 is no less than four, and a plurality of spouts 6 are the array and set up at the outer wall of protection casing 1, and sliding connection has slider 7 about a plurality of spouts 6's the inner wall is equal, a plurality of sliders 7 and spout 6's outer wall fixed connection.

Stop gear can provide the assistance of vertical direction to the decline of gravity metal block 2, prevents that it from taking place to rotate the skew, and the rotation of its production can influence the state of pile foundation, and its deep reason is including the soft or hard of soil property, the material of pile foundation and the inclined plane degree of pile foundation root etc. also can assist the top atress of pile foundation more even simultaneously.

Further, righting the mechanism and including a plurality of supporting seats 3, a plurality of supporting seats 3 respectively fixed connection be close to 1 outer wall of protection casing of a plurality of spout 6 below, supporting seat 3 and 6 phase-matchs of spout, the inner wall sliding connection of a plurality of spout 6 has mount pad 26, the top fixedly connected with cylinder platform 20 of a plurality of mount pads 26, fixedly connected with spring 16 between the interior bottom of a plurality of mount pads 26 and a plurality of spout 6, the outer wall that supporting seat 3 was kept away from to a plurality of mount pads 26 articulates there is hinge bar 15, the one end of keeping away from mount pad 26 of a plurality of hinge bars 15 articulates there is a backplate 27, the equal ground sliding connection in bottom of a plurality of backplate 27.

When the gravity metal block 2 moves downwards in the protective cover 1, the sliding block 7 moves downwards in a limiting mode on the inner wall of the sliding groove 6, so that the gravity metal block 2 is prevented from shifting and rotating, when the sliding block 7 descends to a certain position, the sliding block can be in contact with the cylindrical table 20 to drive the installation seat 26 to move downwards, the spring 16 can be compressed to store elastic potential energy in the process, in the process that the installation seat 26 moves downwards, through the connection relation of the hinge rod 15, the supporting plate 27 can be close to the pile foundation towards the center, through setting the height of the installation seat 26, when the gravity metal block 2 moves downwards to a certain position, the supporting plate 27 can be attached and extruded without influencing the impact force of the gravity metal pile foundation 2 on the pile foundation, through the matching of the plurality of supporting plates 27 approaching to each other, the supporting of the outer wall of the pile foundation is completed, the centering of the pile foundation is achieved, and the pile foundation is prevented from being impacted, because reasons such as soil and pile foundation quality can cause the pile foundation skew, the pile foundation skew then means the engineering failure, and its function of rightting is the prerequisite, indispensable.

After the centralizing support is finished, the spring 16 releases elastic potential energy, so that the centralizing mechanism is reset.

In concrete implementation, can increase the damping design for articulated rod 15 and vertical direction's angle for articulated rod 15 resets, even every backplate 27 after the operation of righting, can be close to ground, makes a plurality of backplate 27 keep away from each other through the damping design simultaneously, makes it all have enough big space when aiming at the pile foundation at every turn.

The damping design may be a tension spring between the outer wall of the supporting plate 27 remote from the pile foundation and the inner wall of the protective cover 1.

Note that in the above implementations, all are centering settings.

Further, a plurality of bottom that prop up backplate 27 are rotated and are connected with gyro wheel 28, and gyro wheel 28 rotates with ground or construction ground and is connected, and the mounting groove has all been seted up to the outer wall of a plurality of backplate 27 opposite faces, all rotates in a plurality of mounting grooves and is connected with two 29 of a plurality of gyro wheels, and two 29 of gyro wheels are no less than three.

Through setting up gyro wheel 28 and two 29 of gyro wheels, can be when rightting, make the better downward pile of advancing of pile foundation, make the pile foundation advance the pile more smoothly, when mount pad 26 moves down, gyro wheel 28 can remain throughout to be connected with the rotation on ground, make backplate 27 keep with the sliding connection on ground, the existence of gyro wheel 28 for the pile driver can adapt to multiple ground, and the gyro wheel has better pile foundation periphery ground's adaptability.

In the embodiment of the supporting plate 27, the first roller 28 and the second roller 29 can be made of flexible materials, so that the hinge rod 15 can be prevented from being damaged due to excessive supporting, and a certain buffering space is formed between the hinge rod and the supporting plate

Further, the bottom of the gravity metal block 2 is paved with multiple layers of rubber pads, when the gravity type pile driving is carried out, the inside of the protective cover 1 can generate large noise, the noise can be reduced by arranging the rubber pads and the like, the vibration of the inside and the outside parts of the protective cover 1 is reduced, and the service life of mechanical parts is prolonged.

The invention also provides a pile foundation centering method implemented on site, which is another implementation effect of the centering mechanism, the bottom of the protective cover 1 is aligned to the pile foundation through external driving equipment, so that the protective cover 1 slowly sleeves the pile foundation, when the top of the pile foundation is submerged between the supporting plates 27, the mounting seat 26 is moved downwards through equipment such as an external clamp, and the supporting plates 27 are close to the pile foundation, and the centering accuracy is judged through the attachment between the pile foundation and the supporting plates 27.

Through the cooperation of above-mentioned isotructure, realized carrying out the joint operation to gravity metal block 2 at any height, and can select to release at arbitrary height, and can right the pile foundation when carrying out hammer pile and strut, improve the quality and the efficiency of engineering.

The working principle is as follows: when the pile driver with good stability for building construction is used, as shown in fig. 5, clamping is prepared for the downward movement of the clamping mechanism, the mounting box 17 moves downwards integrally by controlling the lifting rod 5, the two arc-shaped columns 12 form a semi-cylindrical cover and move downwards along with the mounting box 17 integrally, when the contact sensor 22 is abutted to the top of the gravity metal block 2, a worker knows that the accurate clamping position is reached through the pressure induction of the contact sensor 22, in the process, the limiting blocks 19 are positioned in the ball grooves 23 of the two arc-shaped columns 12, so that the hydraulic cylinder 8 is driven, the connecting rod 9 is output upwards, the support 11 and the pin shaft 13 are driven to move upwards, due to the rotating connection relationship between the arc-shaped columns 12 and the pin shaft sleeve 25 and the pin shaft 13, the meshing relationship between the rack 10 and the arc-shaped rack 18, so that the two arc-shaped columns 12 rotate downwards relative to the rack 10 and the mounting box 17 along the pin shaft 13, in this in-process, round pin axle 13 can the rebound, cooperate the rotation of two arc posts 12, make two cylinder grooves 24 that are located both sides rotate in step and be close to spliced pole 14, thereby make two cylinder grooves 24 accomplish the block to spliced pole 14, stopper 19 is located the inside of two arc posts 12 this moment, it is fixed to accomplish the joint of gravity metal block 2 then, at this in-process, the ascending displacement distance of round pin axle 13 makes two cylinder grooves 24 have the trend of a joint that makes progress, two cylinder grooves 24 form spacing to stopper 19, be favorable to joint smoothness nature more.

After the completion joint, make connecting rod 9 remain motionless, moving upwards through control lifter 5, make the clamping mechanism drive gravity metal block 2 rebound to accumulate gravitational potential energy, this process can accomplish height-adjustable, and height from adjusting gravity metal block 2 through adjusting clamping mechanism's height has realized that the stroke is adjustable, in order to deal with the pile foundation of different situation.

After lifting to a certain height, the hydraulic cylinder 8 controls the connecting rod 9 to output downwards, so that the two arc-shaped columns 12 rotate upwards along the pin shaft 13, the two cylindrical grooves 24 are separated from the closed state slowly, namely, the clamping of the connecting column 14 is removed slowly, the limiting blocks 19 can be separated from the limiting positions of the two cylindrical grooves 24, the gravity metal block 2 is removed from being fixed, the gravity metal block 2 can move downwards on the inner wall of the protective cover 1, and the piling of the gravity hammer is completed.

After piling is completed, the clamping lifting is carried out on the gravity metal block 2 when the clamping is downward, and piling or pile foundation separation is carried out next time.

When gravity metal piece 2 at the inside in-process of the downward movement of protection casing 1, slider 7 is at the spacing downward movement of inner wall of spout 6, thereby prevent the skew and the rotation of gravity metal piece 2, can contact with cylinder platform 20 when slider 7 descends to a certain position, drive mount pad 26 downstream, elastic potential energy can be stored by the compression to this in-process spring 16, at the in-process that mount pad 26 moved down, through hinged rod 15's relation of connection, thereby make backup plate 27 can be close to the pile foundation to the center, through the height that sets up mount pad 26, thereby make and move down to a certain position at gravity metal piece 2, backup plate 27 can laminate the extrusion, and do not influence the striking dynamics of gravity metal piece 2 to the pile foundation, through the cooperation of a plurality of backup plates 27, thereby the completion supports the outer wall of pile foundation, then realize rightting to the pile foundation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a pile driver for construction that stability can be good, includes protection casing (1), sliding connection has gravity metal piece (2), its characterized in that about the inner wall of protection casing (1): the top of the gravity metal block (2) is fixedly connected with a connecting column (14), the top of the connecting column (14) is fixedly connected with a limiting block (19), and the inner top of the protective cover (1) is provided with a clamping mechanism;

the clamping mechanism comprises an installation box (17), the installation box (17) is connected to the inner wall of the protective cover (1) in a vertical sliding mode, a partition plate is fixedly connected to the inner wall of the installation box (17), a connecting rod (9) is arranged at the bottom of the partition plate, a hydraulic cylinder (8) is fixedly connected to the top of the partition plate, the output end of the hydraulic cylinder (8) is fixedly connected with the connecting rod (9), a support (11) is fixedly connected to the bottom of the connecting rod (9), the support (11) is Contraband-shaped, pin shafts (13) are fixedly connected to the outer walls of two door post opposite faces of the support (11), pin shaft sleeves (25) are rotatably connected to the outer walls of the two pin shaft sleeves (25), arc-shaped columns (12) are fixedly connected to the outer walls of the two pin shaft sleeves (25), and arc-shaped racks (18) are fixedly connected to the arc-shaped outer walls of the two arc-shaped columns (12), a rack (10) is fixedly connected to the inner wall of the mounting box (17), the rack (10) is meshed with the arc-shaped racks (18), ball grooves (23) are formed in the two arc-shaped columns (12), and cylindrical grooves (24) are formed in the arc-shaped outer walls of the two ball grooves (23);

the top of the protective cover (1) is connected with a lifting rod (5) in a sliding manner, and the lifting rod (5) penetrates through the top of the protective cover (1) and is fixedly connected with the top of the mounting box (17);

the bottom of the mounting box (17) is provided with an induction mechanism which enables the clamping mechanism to descend to reach the correct position;

the outer wall of the protective cover (1) is provided with a limiting mechanism for preventing the gravity metal block (2) from moving up and down and rotating;

the protection casing (1) is provided with the connecting rod formula righting mechanism that prevents the pile foundation slope near the inside of bottom.

2. The pile driver for building construction with good stability performance according to claim 1, characterized in that: the induction mechanism comprises a contact sensor (22), the contact sensor (22) is fixedly connected to the bottom of the rack (10), a rubber layer is further arranged between the contact sensor (22) and the rack (10), and the vertical distance from the contact sensor (22) to the pin shaft (13) is smaller than the height of the connecting column (14).

3. The pile driver for building construction with good stability performance according to claim 1, characterized in that: the ball groove (23) is in a quarter-sphere shape, and the diameter of the ball groove (23) is larger than or equal to that of the limiting block (19).

4. The pile driver for building construction with good stability performance according to claim 1, characterized in that: the cylindrical groove (24) is semicircular, the diameter of the cylindrical groove (24) is between the diameters of the connecting column (14) and the limiting block (19), and the diameter of the cylindrical groove (24) is deviated to the diameter of the connecting column (14).

5. The pile driver for building construction with good stability performance according to claim 1, characterized in that: stop gear includes a plurality of spout (6), four, a plurality of are no less than in spout (6) are the array and set up at the outer wall of protection casing (1), and are a plurality of sliding connection has slider (7), a plurality of about the inner wall of spout (6) is equal slider (7) fixed connection with the outer wall of spout (6).

6. The pile driver for building construction with good stability performance according to claim 1, characterized in that: righting the mechanism and including a plurality of supporting seats (3), it is a plurality of supporting seat (3) fixed connection respectively is at protection casing (1) outer wall near a plurality of spout (6) below, supporting seat (3) and spout (6) phase-match, it is a plurality of the inner wall sliding connection of spout (6) has mount pad (26), and is a plurality of top fixedly connected with cylinder platform (20) of mount pad (26), it is a plurality of fixedly connected with spring (16) between the interior bottom of mount pad (26) and a plurality of spout (6), it is a plurality of the outer wall that supporting seat (3) were kept away from in mount pad (26) articulates there is articulated pole (15), and is a plurality of articulated pole (15) the one end of keeping away from mount pad (26) articulates there is a backplate (27), and is a plurality of the equal ground sliding connection in bottom of backplate (27).

7. The pile driver for building construction with good stability performance according to claim 6, characterized in that: it is a plurality of the bottom of propping up backplate (27) is rotated and is connected with gyro wheel (28), gyro wheel (28) rotate with ground or construction ground and are connected, and are a plurality of the mounting groove has all been seted up to the outer wall of propping up backplate (27) opposite face, and is a plurality of all rotate in the mounting groove and be connected with a plurality of gyro wheels two (29), gyro wheel two (29) are no less than three.

8. The pile driver for building construction with good stability performance according to claim 1, characterized in that: and a plurality of layers of rubber pads are laid at the bottom of the gravity metal block (2).

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