Movable reinforcement cage, vibration hammer auto-strengthening device and its construction method
Technical field
The present invention relates to field of civil engineering, more particularly to a kind of aid for filling pile construction field and its
Construction method.
Background technology
In filling pile construction field, the implantation that hangs of steel reinforcement cage is an important construction link.For long spire perfusion
The bored concrete pile of stake and the bar planting after interior first cast concrete of bidirectional screw soil compaction bored concrete pile, due to the resistance work of cast-in-place concrete
With leading to that the difficulty inserted using steel reinforcement cage self gravitation is very big, perpendicularity is difficult to ensure that, therefore, first irrigates at present simultaneously
The technique implanting filling pile cage of reinforcement after concrete needs to assist using vibration hammer, so that it is successfully inserted at by vibrating steel reinforcement cage
Specified location.Vibration hammer must loosen the steel wire rope of upper lifting in vibration, but the problem brought therewith is: vibration hammer because
Lack support and shift, so that the steel reinforcement cage of insertion pile body is followed and offset, had a strong impact on bored pile piling quality.This apply
Work quality problems generally existing in pile foundation construction industry at present, does not have the technical solution of maturation so far.
Content of the invention
The technical problem to be solved in the present invention is that offer is a kind of makes steel reinforcement cage can keep under the effect of vibration of vibration hammer
Plumbness implants movable reinforcement cage, vibration hammer auto-strengthening device and its construction method of cast-in-place concrete pile.
Movable reinforcement cage in the present invention, vibration hammer auto-strengthening device, including vibration hammer localizer and the dress that slides
Put, described carriage slides up and down installation, described vibration hammer localizer includes a sleeve being vertically arranged, and described sleeve is fixed
It is connected on carriage, described carriage includes the first plate, a side of described first plate is fixed with two pieces mutually
The second parallel plate, described first plate and the second plate are designed with the roller for sliding up and down, the lower port of described sleeve
It is shaped as trumpet type, that is, the bore of lower port becomes larger from top to bottom, described sleeve passes through in an extension arm and carriage
The first plate be fixedly connected, described extension arm is fixedly connected on the first plate side relative with the second plate.
Movable reinforcement cage in the present invention, vibration hammer auto-strengthening device, wherein said extension arm is a steel pipe, institute
State steel pipe and include the first steel pipe and the second steel pipe, one end of the first steel pipe is welded on the first panel, and the other end of the first steel pipe leads to
Cross flange and bolt to be fixedly connected with the second steel pipe, the other end of the second steel pipe is fixed with described sleeve, flange is near slip
Device side is arranged.
Movable reinforcement cage in the present invention, vibration hammer auto-strengthening device, wherein said first plate is provided with lifting hole(eyelet).
Movable reinforcement cage in the present invention, vibration hammer auto-strengthening device, wherein said first plate and described second
The junction of plate is provided with ribbed stiffener.
Utilization movable reinforcement cage in the present invention, the construction method of vibration hammer auto-strengthening device, walk including following
Rapid:
1) preparation: pile work drilling machine is in place, is drilled stake holes concrete perfusion according to projected depth, vibration hammer upper and lower
End is separately installed with guiding steel pipe, and guiding steel pipe is coaxially arranged with vibration hammer, the guiding steel pipe composition of vibration hammer and its upper and lower side
Vibration hammer system, vibration hammer lower end guiding steel pipe is penetrated in steel reinforcement cage in ground level, and steel reinforcement cage is fixed with vibration hammer
Connect, the first steel wire rope decentralization of steel reinforcement cage will be hung, and pass through the sleeve on auto-strengthening device, the first steel from top to bottom
Cord lower end is guided steel pipe by vibration hammer upper end and is connected with vibration hammer top;
2) lift by crane and be aligned: after hanging to whole steel reinforcement cage and vibration hammer system, adjust boom hoisting position, make the first steel
Cord, steel reinforcement cage, vibration hammer are in vertical state and make steel reinforcement cage align piles position hole simultaneously placed in the middle;
3) implanted reinforced bar cage: the position of carriage to be controlled is to ensure vibration hammer in the whole process of steel reinforcement cage implantation
Upper end guiding steel pipe all the time in sleeve to reach auto-strengthening effect, the upper end guiding steel pipe of vibration hammer can in sleeve
It is freely moved up and down, and its transverse shifting is limited, in steel reinforcement cage implantation operation, first rely on the deadweight of steel reinforcement cage slowly to insert
Enter bored concrete pile, when relying on deadweight can not continue into, Vibration on Start-up is hammered into shape, loosens the first steel wire rope, so that steel reinforcement cage is made in vibration
With the lower continuous connection transferred to projected depth, be then turned off vibration hammer and steel reinforcement cage, then delayed by the continuous shaking of vibration hammer
Slowly extract the lower end guiding steel pipe of vibration hammer.
Utilization movable reinforcement cage in the present invention, the construction method of vibration hammer auto-strengthening device, by carriage
It is arranged in the vertical rails in front of pile work drilling machine pile frame, it is vertical that the roller on the first plate and the second plate all contacts enforcement with slide rail
Slide, the lifting hole(eyelet) of the first plate be connected with the second steel wire rope, the other end of the second steel wire rope is connected on pile frame power head mechanism,
Make carriage and the position of pile frame power head mechanism keep being relatively fixed, to be controlled by controlling power head mechanism to move up and down
The position of carriage.
Movable reinforcement cage of the present invention, vibration hammer auto-strengthening device and its construction method difference from prior art
It is that the present invention can realize the auto-strengthening to vibration hammer with the sleeve that carriage slides up and down by one, will
The upper end guiding steel pipe of vibration hammer is interspersed in sleeve, when enabling vibration hammer, controls carriage moving down with vibration hammer
And move down, make vibration hammer upper end guide steel pipe be always positioned in sleeve, such vibration hammer be in all the time plumb position without
In the vertical direction shifts, and is capable of steel reinforcement cage implantation overall process automatic vertical centering, simple to operate, method is reliable,
Efficiency of construction and construction quality are greatly improved.
In utilization movable reinforcement cage in the present invention, the construction method of vibration hammer auto-strengthening device, effectively utilizes
Vertical rails in front of pile work drilling machine pile frame, in addition need not configure for movable reinforcement cage, vibration hammer auto-strengthening device
Lowering or hoisting gear, makes auto-strengthening device directly be connected with pile frame power head mechanism, package unit and pile frame power head mechanism position
Holding is relatively fixed, and can move up and down to control movable reinforcement cage, vibration hammer automatic by controlling power head mechanism
The position of erection device is it is ensured that the efficient utilization of resource.
The invention will be further described below in conjunction with the accompanying drawings.
Brief description
Fig. 1 is the movable reinforcement cage in the present invention, the axonometric chart of vibration hammer auto-strengthening device;
Fig. 2 is the movable reinforcement cage in the present invention, the top view of vibration hammer auto-strengthening device;
Fig. 3 is the movable reinforcement cage in the present invention, the use state figure of vibration hammer auto-strengthening device.
Specific embodiment
As shown in figure 1, simultaneously with reference to Fig. 2, the movable reinforcement cage in the present invention, vibration hammer auto-strengthening device include shaking
Dynamic hammer localizer 1 and carriage 2, described carriage 2 slides up and down installation, and it is vertical that described vibration hammer localizer 1 includes one
Arrangement sleeve 101, the lower port of sleeve 101 be shaped as trumpet type, that is, the bore of lower port becomes larger from top to bottom, institute
State sleeve 101 to be fixedly connected on carriage 2.
Movable reinforcement cage in the present invention, vibration hammer auto-strengthening device, wherein said carriage 2 includes first
Plate 201, a side of described first plate 201 is fixed with two blocks of second plates 202 being parallel to each other, described first plate 201 and
Roller 203 for sliding up and down is designed with the second plate 202.All it is respectively symmetrically on every block of plate and 4 rollers are equably installed
203, in conjunction with shown in Fig. 3, this 12 rollers 203 are contacted such that it is able to implement vertically movable with the vertical rails 3 in front of pile frame.
The junction of the first plate 201 and the second plate 202 is provided with ribbed stiffener 204, for strengthening between the first plate 201 and the second plate 202
Coupling stiffness.
Movable reinforcement cage in the present invention, vibration hammer auto-strengthening device, wherein said sleeve 101 passes through one and extends
Arm is fixedly connected with the first plate 201 in carriage 2, and described extension arm is fixedly connected on the first plate 201 and the second plate 202 phase
To side on.
Movable reinforcement cage in the present invention, vibration hammer auto-strengthening device, wherein said extension arm is a steel pipe, institute
State steel pipe and include the first steel pipe 102 and the second steel pipe 103, one end of the first steel pipe 102 is welded on the first plate 201, the first steel
The other end of pipe 102 passes through flange 104 and bolt is fixedly connected with the second steel pipe 103, and the other end fixation of the second steel pipe 103 sets
There is described sleeve 101, flange 104 is arranged near carriage 2 side.The purpose of setting flange 104 is to change different length
Second steel pipe 103 of degree, to meet different duty requirements.
Movable reinforcement cage in the present invention, vibration hammer auto-strengthening device, wherein said first plate 201 is provided with and hangs
Hole 205, lifting hole(eyelet) 205 is used for connecting power device, to realize sliding up and down of carriage 2.
Utilization movable reinforcement cage in the present invention, the construction method of vibration hammer auto-strengthening device, walk including following
Rapid:
1) preparation: pile work drilling machine is in place, is drilled stake holes concrete perfusion according to projected depth, vibration hammer 4 upper
Lower end is separately installed with guiding steel pipe 5,6, and guiding steel pipe 5,6 is coaxially arranged with vibration hammer 4, the leading of vibration hammer 4 and its upper and lower side
Form vibration hammer system to steel pipe 5,6, vibration hammer lower end is guided steel pipe 6 and penetrates in steel reinforcement cage 7 in ground level, and by reinforcing bar
Cage 7 is fixedly connected with vibration hammer 4, and the first steel wire rope 8 hanging steel reinforcement cage 7 is transferred, and passes through auto-strengthening from top to bottom
Sleeve 101 on device, the first steel wire rope 8 lower end is guided steel pipe 5 by vibration hammer upper end and is connected with vibration hammer 4 top;
2) lift by crane and be aligned: after hanging to whole steel reinforcement cage 7 and vibration hammer system, adjust boom hoisting position, make first
Steel wire rope 8, steel reinforcement cage 7, vibration hammer 4 are in vertical state and make steel reinforcement cage 7 align piles position hole simultaneously placed in the middle;
3) implanted reinforced bar cage: the position of carriage 2 to be controlled is to ensure to vibrate in the whole process of steel reinforcement cage 7 implantation
The upper end guiding steel pipe 5 of hammer 4 all the time sleeve 101 in reach auto-strengthening effect, the upper end of vibration hammer 4 guides steel pipe 5 and exists
Can be freely moved up and down in sleeve 101, and its transverse shifting is limited, in steel reinforcement cage 7 implantation operation, first rely on reinforcing bar
Bored concrete pile is slowly inserted in the deadweight of cage 7, when relying on deadweight can not continue into, Vibration on Start-up hammer 4, and loosen the first steel wire rope 8,
So that steel reinforcement cage 7 is continuously transferred to projected depth under effect of vibration, be then turned off the connection of vibration hammer 4 and steel reinforcement cage 7, then pass through
The lower end guiding steel pipe 6 of vibration hammer 4 is slowly extracted in the continuous shaking of vibration hammer 4.
As shown in figure 3, utilization movable reinforcement cage in the present invention, the construction method of vibration hammer auto-strengthening device,
Carriage 2 is arranged in the vertical rails 3 in front of pile work drilling machine pile frame, the roller on the first plate 201 and the second plate 202
203 all contact with slide rail enforcement vertically slidable, the lifting hole(eyelet) 205 of the first plate 201 is connected with the second steel wire rope 9, the second steel wire rope 9
The other end be connected on pile frame power head mechanism, make the position of carriage 2 and pile frame power head mechanism keep being relatively fixed,
Move up and down the position to control carriage 2 by controlling power head mechanism.
The each spot size parameter of carriage 2 in the present invention determines according to the size of the vertical rails 3 in front of pile frame, set
The internal diameter size of cylinder 101 to determine, that is, the internal diameter of sleeve 101 is than vibration hammer according to the diameter that vibration hammer upper end guides steel pipe 5
Upper end guides the big 2-3 of diameter of steel pipe 5.
Embodiment described above is only that the preferred embodiment of the present invention is described, the not model to the present invention
Enclose and be defined, on the premise of without departing from design spirit of the present invention, the technical side to the present invention for the those of ordinary skill in the art
Various modifications and improvement that case is made, all should fall in the protection domain of claims of the present invention determination.