CN210288390U

CN210288390U - Spiral pile driver for concrete pipe pile

Info

Publication number: CN210288390U
Application number: CN201920920458.7U
Authority: CN
Inventors: 刘振杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-04-10
Anticipated expiration: 2029-06-19

Abstract

The utility model relates to a concrete pipe pile is with spiral pile driver, including unsettled square board, circular groove that passes through is seted up at the middle part of square board, circular inslot bearing installation circular carousel that passes through, circular carousel's middle part grafting installation lifter, square board's top surface installation motor, the output shaft installation bevel gear of motor, the top surface fixed mounting umbrella ring gear of circular carousel, the umbrella ring gear and the central line collineation of circular carousel. The utility model discloses construction small in noise, it is little to the influence of all ring edge borders, easy operation, the efficiency of construction is higher, can reduce the construction cost of pile.

Description

Spiral pile driver for concrete pipe pile

Technical Field

The utility model relates to the field of construction machinery, specifically indicate a concrete pipe pile is with spiral pile driver.

Background

The engineering pile plays a role in bearing force in building and construction, can greatly enhance the strength of the foundation, improve the engineering quality of the building and ensure the personal safety of workers and owners. The common methods for piling comprise a hammering method, a vibration method, a water jetting method, a pile pressing method and the like, large noise is easily generated in the construction process, the living environment of surrounding residents is damaged, the spiral pile driver has the advantage of low noise and can improve the construction environment, but the spiral pile driver firstly punches holes on the ground and then puts a reinforcement cage for pouring concrete, the construction process is complex, the construction period is long, and the construction efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide a concrete pipe pile is with spiral pile driver, construction small in noise, little to the influence of all ring edge borders, easy operation, the efficiency of construction is higher, can reduce the construction cost of pile.

The utility model is realized by the following technical proposal, the utility model provides a screw pile driver for concrete pipe pile, which comprises a suspended square plate, the four corners of the bottom surface of the square plate are respectively fixedly provided with a support bar, the middle part of the square plate is provided with a circular through groove, a circular turntable is arranged in the circular through groove by a bearing, the middle part of the circular turntable is provided with a rectangular through groove, a lifting rod with a rectangular cross section is inserted and installed in the rectangular through groove, the periphery of the lifting rod is contacted and matched with the inner periphery of the rectangular through groove, one side of the top surface of the square plate is fixedly provided with a motor, an output shaft of the motor is fixedly provided with a bevel gear, the top surface of the circular turntable is fixedly provided with a bevel gear ring, the bevel gear ring is collinear with the central line of the circular turntable, the bevel gear ring is engaged and matched with the bevel gear ring, the bearing at the lower end of the periphery of the, the central line collineation of round bar and drilling rod, the periphery suit tubular pile of round bar, lifter, tubular pile are the same with round bar length, and the lower extreme of drilling rod is toper structure and periphery fixed mounting helical blade, and the external diameter of drilling rod is less than the internal diameter of tubular pile, and the external diameter of pressure plate is greater than the external diameter of tubular pile.

The device is supported by the support rods arranged at four corners of the square plate, the space requirement of loading and unloading parts in the construction process is met, the square plate is provided with a circular through groove, a circular turntable is mounted in the circular through groove through a bearing, the middle part of the circular turntable is provided with a rectangular through groove, a lifting rod is inserted and mounted in the rectangular through groove, the lifting rod can be driven to rotate by rotating the circular turntable, the top surface of the square plate is fixedly provided with a motor, an output shaft of the motor is fixedly provided with a bevel gear, the top surface of the circular turntable is fixedly provided with a bevel gear ring, the square plate supports the motor, the bevel gear can be driven to rotate by the motor, the bevel gear ring is driven to rotate by the meshing action of the bevel gear and the bevel gear ring, finally, the circular turntable is driven to rotate by the bevel gear ring, the effect of driving the lifting rod to rotate is realized, the periphery of, the lifting rod can be lifted while rotating, the round rod is fixedly inserted below the lifting rod, the drill rod is fixedly inserted below the round rod, the round rod and the drill rod can be driven to rotate by rotating the lifting rod, the drill rod drives the spiral blade to rotate, the lower end of the drill rod is of a conical structure, the spiral blade can convert the spiral motion of the drill rod into downward linear motion, the drill rod can move downwards all the time by rotating the spiral blade, namely the spiral blade can prevent the drill rod from idling underground, the drill rod can be drilled into the ground, the drill rod can drive the round rod and the lifting rod to move downwards, the lower end of the periphery of the lifting rod is provided with a pressure plate by a bearing, so that the lifting rod can drive the pressure plate to move downwards, the tubular pile is sleeved on the periphery of the round rod, the outer diameter of the pressure plate is larger than that of the tubular pile, so that the tubular pile can be pressed downwards by the pressure plate, and the tubular pile is kept in a relatively static, avoid pressure plate and tubular pile to produce the friction.

Preferably, the lower end of the tubular pile is a conical plug, the upper end of the tubular pile is a conical slot, and the same tubular pile is in head-tail tight insertion fit. When increasing the tubular pile, can peg graft the tubular pile head and the tail, in the toper slot is inserted to the toper plug, enable the tubular pile to keep the central line collineation all the time, avoid the tubular pile to take place the dislocation, further improve the load-carrying capacity of tubular pile.

Preferably, rectangular lugs are fixedly mounted at the lower ends of the lifting rod and the round rod, rectangular grooves are formed in the upper ends of the round rod and the drill rod, and the rectangular lugs are in insertion fit with the corresponding rectangular grooves. Through the grafting cooperation of rectangle recess and rectangle lug, can realize the high-speed joint of lifter, round bar and drilling rod, can realize the transmission of lifter, round bar and drilling rod again, it is comparatively convenient when using.

Preferably, through holes are formed in two sides of the rectangular groove respectively, screw holes are formed in two sides of the rectangular bump respectively, bolts are installed in the screw holes in a threaded mode, and the bolts penetrate through the corresponding through holes respectively. After the lifting rod, the round rod and the drill rod are sequentially connected end to end, the bolt is screwed, so that the lifting rod, the round rod and the drill rod can be locked.

As optimization, the inner walls of the periphery of the rectangular through groove are provided with the bull's eye bearings, and the bull's eye bearings are connected with the periphery of the lifting rod in a sliding mode. The friction force between the lifting rod and the rectangular through groove can be further reduced through the bull's eye bearing, and the lifting process of the lifting rod is more stable.

Preferably, the wedges are fixedly arranged at the lower ends of the supporting rods. When using, the underground is squeezed into to the wedge, can further prevent that the position of bracing piece from taking place the skew and leading to the drilling offset to can further improve the utility model discloses a pile precision.

Preferably, the lower ends of the supporting rods are fixedly connected through connecting rods. The position of bracing piece can further be injectd through the connecting rod to form stable bearing structure, enable the utility model discloses it is more firm.

And as optimization, the upper end of the lifting rod is fixedly provided with a limiting block, and the diameter of the limiting block is larger than the length of the diagonal line of the rectangular through groove. The position of the lifting rod can be limited through the limiting block, the lifting rod is prevented from being separated from the rectangular through groove, and the lifting rod can conveniently perform reciprocating lifting work.

Preferably, the tubular pile is a reinforced concrete cast pile. The reinforced concrete pile has excellent compression resistance, corrosion resistance, long service life and low cost, and is suitable for building engineering.

The utility model has the advantages that: the utility model can convert the rotary motion into downward pressure, thereby completing the piling work, having small construction noise, small influence on the surrounding environment, simple operation, higher construction efficiency and reducing the construction cost of piling; and the utility model discloses a structure is simple relatively, does not have accurate hydraulic system, and the maintenance of being convenient for can further reduce the maintenance cost in the use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of the view from the direction A of FIG. 1;

shown in the figure:

1. square plate, 2, bracing piece, 3, circular carousel, 4, lifter, 5, motor, 6, bevel gear, 7, bevel gear ring, 8, pressure plate, 9, round bar, 10, drilling rod, 11, tubular pile.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

A spiral pile driver for concrete pipe piles comprises a suspended square plate 1, supporting rods 2 are fixedly installed at four corners of the bottom surface of the square plate 1 respectively, a circular through groove is formed in the middle of the square plate 1, a circular rotary table 3 is installed in the circular through groove through a bearing, a rectangular through groove is formed in the middle of the circular rotary table 3, a lifting rod 4 with a rectangular cross section is installed in the rectangular through groove in an inserting mode, the periphery of the lifting rod 4 is in contact fit with the inner periphery of the rectangular through groove, a motor 5 is fixedly installed on one side of the top surface of the square plate 1, a bevel gear 6 is fixedly installed on an output shaft of the motor 5, a bevel gear ring 7 is fixedly installed on the top surface of the circular rotary table 3, the bevel gear ring 7 is collinear with the central line of the circular rotary table 3, the bevel gear 6 is in meshing fit with the bevel gear ring 7, a pressure plate 8 is installed on the lower end bearing of the periphery, the fixed grafting drilling rod 10 in below of round bar 9, the central line collineation of round bar 9 and drilling rod 10, the periphery suit tubular pile 11 of round bar 9, lifter 4, tubular pile 11 are the same with round bar 9 length, and the lower extreme of drilling rod 10 is toper structure and periphery fixed mounting helical blade, and the external diameter of drilling rod 10 is less than the internal diameter of tubular pile 11, and the external diameter of pressure plate 8 is greater than the external diameter of tubular pile 11.

When using, will the utility model discloses hoist to the position that needs the pile, align lifter 4 with the position of waiting to punch, the position can be injectd to the wedge of 2 lower extremes of bracing piece the utility model discloses a position prevents the utility model discloses skew takes place at the during operation position, then lifts lifter 4 to the highest point, inserts the lower extreme of drilling rod 10 in waiting to punch the position again, falls lifter 4, makes the rectangle lug of 4 lower extremes of lifter insert in the rectangle recess of drilling rod upper end, then screws up the bolt that corresponds to can lock lifter 4 and drilling rod 10.

The motor 5 is started, an output shaft of the motor 5 drives the bevel gear 6 to rotate, the bevel gear 6 is meshed with the bevel gear ring 7, the bevel gear ring 7 can be driven to rotate, the bevel gear ring 7 drives the circular turntable 3 to rotate, the lifting rod 4 can be clamped by the rectangular through groove on the circular turntable 3, the lifting rod 4 can be driven to rotate, the lifting rod 4 can move downwards along the rectangular through groove 3 under the action of self gravity while rotating, the lifting rod 4 drives the drill rod 10 to rotate and move downwards, and the drill rod 10 can drill into the underground.

When the lifting rod 4 descends to the lowest point, the motor 5 is stopped, the lifting rod 4 stops rotating at the moment, then the bolt is unscrewed, the lifting rod 4 is separated from the drill rod 10, the lifting rod 4 is lifted, then the sleeved round rod 9 and the pipe pile 11 are placed between the lifting rod 4 and the drill rod 10, the round rod 9 and the rectangular convex blocks at the lower end of the lifting rod 4 are respectively inserted into the corresponding rectangular grooves, and then the bolt is screwed down, so that the lifting rod 4, the round rod 9 and the drill rod 10 are locked.

After the motor 5 is restarted, the drill rod 10 continues to drill underground, the drill rod 10 drives the round rod 9 to move downwards, the round rod 9 drives the lifting rod 4 to move downwards, the lifting rod 4 drives the pressure plate 8 to move downwards, and the pressure plate 8 can be in contact with the upper end of the tubular pile 11 and is pressed into the underground.

When the lifting rod 4 falls to the lowest point again, the steps are repeated, and the sleeved round rod 9 and the sleeved tubular pile 11 are added, so that the pile falling depth can be determined according to design requirements; the tubular piles 11 can be spliced and matched, and can keep a firm connection relationship in the piling process and the use process in the future.

After piling to suitable degree of depth, the upper end that lies in the tubular pile 11 of the top this moment is parallel and level with ground, then the antiport motor 5, and then motor 5 can drive lifter 4 antiport through gear 6, ring gear 7, circular carousel 3, lifter 4 drives round bar 9 and drilling rod 10 antiport to enable round bar 9 and drilling rod 10 to upwards remove, unscrew the bolt, thereby can take out round bar 9 and the unloading of drilling rod 10 festival.

The utility model comprises two processes of drilling a drill rod downwards and pressing a tubular pile in, and taking out the drill rod, the operation is simple, the drill rod and the tubular pile can be simultaneously pressed into the ground, the construction steps are reduced, and the construction efficiency is improved; compared with the direct pouring pile, the prefabricated pipe pile saves the concrete solidification time of the on-site pouring pile, shortens the construction period and can reduce the construction cost of piling; the utility model can convert the rotary motion into downward pressure, thereby completing the piling work, having small construction noise and little influence on the surrounding environment, having relatively simple structure, no precise hydraulic system, convenient maintenance and further reducing the maintenance cost in the use process; and simultaneously, the utility model discloses can directly impress the tubular pile, can further compact soil in the in-process that the tubular pile impresses, concrete placement stake for what ordinary spiral pile driver went on, the utility model discloses an engineering stake is more firm, and the engineering quality is higher.

Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.

Claims

1. The utility model provides a concrete pipe pile is with spiral pile driver which characterized in that: the lifting device comprises a suspended square plate (1), supporting rods (2) are fixedly mounted at four corners of the bottom surface of the square plate (1) respectively, a circular through groove is formed in the middle of the square plate (1), a circular rotary table (3) is mounted in the circular through groove through a bearing, a rectangular through groove is formed in the middle of the circular rotary table (3), a lifting rod (4) with a rectangular cross section is inserted and mounted in the rectangular through groove, the periphery of the lifting rod (4) is in contact fit with the inner periphery of the rectangular through groove, a motor (5) is fixedly mounted on one side of the top surface of the square plate (1), a bevel gear (6) is fixedly mounted on an output shaft of the motor (5), a bevel gear ring (7) is fixedly mounted on the top surface of the circular rotary table (3), the bevel gear ring (7) is collinear with the central line of the circular rotary table (3), the bevel gear ring (6) is in meshing fit with the bevel gear ring (7), a pressure plate, fixed grafting round bar (9) in below of lifter (4), fixed grafting drilling rod (10) in below of round bar (9), the central line collineation of round bar (9) and drilling rod (10), the periphery suit tubular pile (11) of round bar (9), lifter (4), tubular pile (11) are the same with round bar (9) length, the lower extreme of drilling rod (10) is toper structure and periphery fixed mounting helical blade, the external diameter of drilling rod (10) is less than the internal diameter of tubular pile (11), the external diameter of pressure plate (8) is greater than the external diameter of tubular pile (11).

2. The spiral pile driver for concrete pipe piles according to claim 1, characterized in that: the lower extreme of tubular pile (11) be the toper plug, the upper end is the toper slot, the inseparable cooperation of pegging graft of same tubular pile (11) end to end.

3. The spiral pile driver for concrete pipe piles according to claim 1, characterized in that: the lower ends of the lifting rod (4) and the round rod (9) are fixedly provided with rectangular lugs, the upper ends of the round rod (9) and the drill rod (10) are provided with rectangular grooves, and the rectangular lugs are in insertion fit with the corresponding rectangular grooves.

4. The spiral pile driver for concrete pipe piles according to claim 3, wherein: through holes are respectively formed in two sides of the rectangular groove, screw holes are respectively formed in two sides of the rectangular convex block, bolts are installed in the screw holes in a threaded mode, and the bolts respectively penetrate through the corresponding through holes.

5. The spiral pile driver for concrete pipe piles according to claim 1, characterized in that: the inner wall all around of the rectangular through groove is provided with a bull's eye bearing, and the bull's eye bearing is connected with the lifting rod (4) in a sliding mode all around.

6. The spiral pile driver for concrete pipe piles according to claim 1, characterized in that: the lower ends of the supporting rods (2) are fixedly provided with wedges.

7. The spiral pile driver for concrete pipe piles according to claim 1, characterized in that: the lower ends of the supporting rods (2) are fixedly connected through connecting rods.

8. The spiral pile driver for concrete pipe piles according to claim 1, characterized in that: the upper end of the lifting rod (4) is fixedly provided with a limiting block, and the diameter of the limiting block is larger than the length of the diagonal line of the rectangular through groove.

9. The spiral pile driver for concrete pipe piles according to claim 1, characterized in that: the tubular pile (11) is a reinforced concrete cast pile.