CN211230260U

CN211230260U - Spiral pile driver

Info

Publication number: CN211230260U
Application number: CN201921805177.3U
Authority: CN
Inventors: 罗云勇; 魏军
Original assignee: Sichuan Road And Bridge Construction Group Traffic Engineering Co ltd
Current assignee: Sichuan Road And Bridge Construction Group Traffic Engineering Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-08-11
Anticipated expiration: 2029-10-25

Abstract

The utility model relates to a spiral pile driver belongs to pile equipment field, including frame, king-post and carriage, the carriage below is rotated and is provided with the drilling rod, is provided with the driving source on the carriage, and the lower extreme of king-post has set firmly the guide cylinder coaxial with the drilling rod, and the bottom of guide cylinder can and ground butt, and the internal diameter and the drilling rod maximum diameter of guide cylinder equal, and the coaxial rotation of outer wall of guide cylinder is provided with the swivel becket, is provided with on the king-post to be used for driving swivel becket pivoted drive assembly, and the outer wall of swivel becket is provided with and is used for clearing up ground scraper blade. After drilling at the drilling rod and punching earth from guide cylinder top opening part conveying and drop around the guide cylinder, the swivel becket on the drive guide cylinder is rotatory to it is rotatory around the guide cylinder to drive the scraper blade, scrapes the earth that drops around the guide cylinder together, and throws earth away from the guide cylinder, thereby clears up ground around the guide cylinder, effectively avoids subaerial earth to collapse and backfill into the deep hole, promotes the stability after muddy earth founds the stake shaping.

Description

Spiral pile driver

Technical Field

The utility model relates to a pile driving equipment, in particular to screw pile driver.

Background

The spiral pile driver is pile driving equipment for driving a drill rod drill bit to form a hole in an underground drilling machine through a power head, a drill hole with a certain depth is drilled on the ground through the drill rod and the drill bit, then a reinforcement cage and a guide pipe are placed in the drill hole, concrete is poured into the reinforcement cage, and finally the pile body is manufactured.

Chinese patent with publication number CN206667252U discloses a screw pile driver, which comprises a frame, a distribution box disposed on the frame, and a tower rod rotatably disposed on the frame, wherein the tower rod slides along the length direction thereof and is provided with a sliding frame, the sliding frame is rotatably provided with a drill rod, the sliding frame is internally provided with a rotating motor connected with the drill rod and driving the drill rod to rotate, and a power cord is connected between the rotating motor and the distribution box. The rotary motor is clamped to drive the drill rod to rotate, and the rotary motor slides downwards along with the tower rod, so that the drill rod performs drilling operation on the ground.

However, when the screw pile driver performs a drilling operation, soil at the bottom of the ground is conveyed to the ground through the drill rod and is accumulated around the drilled hole, and after the drill rod is pulled out after the drilling operation is completed, the soil accumulated around the hole is easily knocked by the lifted drill rod or a constructor and collapses, so that part of the soil is filled back into the drilled deep hole, soil at the bottom of the deep hole is loosened, and the stability of the concrete vertical pile is adversely affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw pile driver has in time to clear up earth around the drilling, reduces earth and backfills possible advantage.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a screw pile driver, includes the frame, rotates the tower pole that sets up on the frame and slides the carriage that sets up on the tower pole along tower pole length direction, the carriage below is rotated and is provided with the drilling rod, the fixed driving source that is used for driving drilling rod pivoted that is provided with on the carriage, the lower extreme of tower pole has set firmly the guide cylinder coaxial with the drilling rod, the bottom of guide cylinder can and ground butt, the internal diameter and the drilling rod maximum diameter of guide cylinder equal, the coaxial rotation of outer wall of guide cylinder is provided with the swivel becket, be provided with on the tower pole and be used for driving swivel becket pivoted drive assembly, the outer wall of swivel becket is provided with and is used for clearing up ground scraper.

By the technical scheme, when a constructor punches the ground, the tower rod is rotated to be in a vertical state to enable the drill rod to vertically face the ground, the bottom of the guide cylinder is abutted against the ground, then the driving source is started, the sliding frame is lowered, the drilling operation is carried out on the ground, after the drill rod extrudes and conveys soil from an opening above the guide cylinder and drops around the guide cylinder, the driving component is started to drive the rotating ring on the guide cylinder to rotate, thereby driving the scraper outside the rotating ring to rotate around the guide cylinder and scraping the soil falling around the guide cylinder together, wherein in the process of moving around the guide cylinder, is thrown away from the guide cylinder under the action of centrifugal force, so that the ground around the guide cylinder is emptied, and after the drill rod is lifted after drilling, soil on the ground is not easy to collapse and is backfilled into the deep hole, and the stability of the concrete vertical pile after molding is improved.

The utility model discloses further set up to: the driving assembly comprises a motor, a gear and a gear ring, the motor is fixedly arranged on the side wall of the tower rod, the gear is coaxially and fixedly connected to an output shaft of the motor, the gear ring is coaxially and fixedly arranged on the outer wall of the rotating ring, and the gear ring is meshed with the gear.

Through above-mentioned technical scheme, follow guide cylinder top opening part extrusion conveying with earth at the drilling rod to fall back around the guide cylinder, the starter motor drives the gear rotation, and through gear and ring gear meshing, it is rotatory on the guide cylinder to drive the swivel becket, thereby makes the scraper blade in the swivel becket outside scrape away guide cylinder earth around, keeps deep hole opening ground clean and tidy around, effectively avoids subaerial earth to backfill into in the deep hole.

The utility model discloses further set up to: the diapire of scraper blade is higher than ground, the brush-holder stud has set firmly along diapire length direction on the face of scraper blade, the bottom surface of brush-holder stud is provided with the brush hair with ground contact.

Through above-mentioned technical scheme, when the scraper blade was around guide cylinder rotation in a circumferential direction, one section distance off the ground was cleaned for using the brush hair to earth in the space on nearly ground, effectively avoided scraper blade and the bellied stone rigidity striking in ground, brought the damage to the scraper blade, promoted scraper blade life.

The utility model discloses further set up to: the scraper blade is provided with the polylith along the even interval of rotating ring circumference.

Through above-mentioned technical scheme, when the swivel becket rotated, drive the polylith scraper blade and clear up ground simultaneously, share the reaction force that receives the scraper blade, effectively avoid the scraper blade to receive and drive the stress range that reaction force surpassed the scraper blade and can bear to bring the damage to the scraper blade, promote the life of scraper blade.

The utility model discloses further set up to: the top wall of the scraper is arranged to be a downward inclined surface along the direction far away from the rotating ring.

Through above-mentioned technical scheme, set up the scraper blade into the outside extension of self-steering section of thick bamboo outer wall, its height reduces gradually, when satisfying ground clearance requirement around the deep hole, it is big more to combine to receive centrifugal force from the more distant department scraper blade of guide cylinder axis distance on earth, is thrown away from the sleeve more easily, so piled up earth volume is still less on the more distant scraper blade of distance guide cylinder, still can play timely clearance effect to earth after the high reduction of scraper blade, reduce scraper blade manufacturing material quantity, practice thrift the cost.

The utility model discloses further set up to: the scraper blade is the arc, the convex surface orientation of scraper blade is unanimous with the rotating ring direction of rotation, the face and the ground of scraper blade are perpendicular.

Through above-mentioned technical scheme, set up the scraper blade into the arc on perpendicular to ground to the convex surface that makes the scraper blade is followed the direction of advance when the swivel becket moves towards the scraper blade, thereby makes the scraper blade at the rotation in-process, plays the guide effect by the convex surface to the earth around the guide cylinder, combines the centrifugal force that earth received, makes earth more easily pushed away outside the scraper blade working range, reduces the work load of scraper blade, improves scraper blade life.

The utility model discloses further set up to: the outer wall of swivel becket is fixed and is provided with vertical axis of rotation, the scraper blade rotates and sets up in the axis of rotation, the concave surface size and the swivel becket lateral wall size looks adaptation of scraper blade, be provided with on the swivel becket and be used for restricting the scraper blade at the state of changeing open and with the locating part of swivel becket lateral wall laminating state.

Through the technical scheme, when needs carry out drilling work, can rotate the scraper blade and not laminate with the swivel becket with the scraper blade, scraper blade work area diameter is greater than the position of the big footpath of guide cylinder, then use the current scraper blade position of locating part restriction, can drive the swivel becket rotatory, begin the clearance work to earth around the guide cylinder, end at the clearance work, when daily pile driver of accomodating, can rotate the scraper blade and laminate with the swivel becket, the locating part limits the scraper blade position once more, reduce the public space that the scraper blade occupied, make the structure compacter, conveniently accomodate the pile driver.

The utility model discloses further set up to: the locating part is the bolt, the fixed otic placode that is used for the butt at the convex surface of the state scraper blade of turning round that is provided with of outer wall of swivel becket, first screw hole has been seted up on the otic placode, set up the through-hole that corresponds with first screw hole on the scraper blade, set up the second screw hole that corresponds at the through-hole under scraper blade and the swivel becket laminating state on the outer wall of swivel becket, the bolt passes the through-hole to with first screw hole or second screw hole threaded connection.

Through the technical scheme, when the scraper blade needs to rotate operating condition, rotatory scraper blade, the otic placode on the swivel becket is contacted to the convex surface that makes the scraper blade, penetrate the bolt from the through-hole department of scraper blade concave surface again, and with the first screw hole threaded connection on the otic placode, thereby it is fixed with the scraper blade, when the scraper blade needs to be accomodate, rotatory scraper blade to with the swivel becket laminating state, then penetrate the through-hole with the bolt from scraper blade convex surface one side, and with the swivel becket on the second screw hole, can fix the scraper blade in the state of accomodating, and is easy to operate.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

firstly, after a drill rod is punched to convey soil from an opening above a guide cylinder and drop the soil around the guide cylinder, a rotating ring on the guide cylinder is driven to rotate, so that a scraper is driven to rotate around the guide cylinder, the soil dropping around the guide cylinder is scraped together, the soil is thrown away from the guide cylinder, the ground around the guide cylinder is emptied, the soil on the ground is effectively prevented from collapsing and backfilling into a deep hole, and the stability of the formed concrete vertical pile is improved;

when the scraper rotates around the guide cylinder in the circumferential direction, the scraper is away from the ground for a certain distance to replace the mode that bristles are used for cleaning soil in a space close to the ground, so that the scraper is effectively prevented from being rigidly impacted with stone protruding from the ground, the damage to the scraper is avoided, and the service life of the scraper is prolonged;

thirdly, finishing the cleaning work, when daily pile driver of accomodating, can rotate the scraper blade to with the swivel becket laminating, use the locating part to limit the scraper blade position, reduce the public space that the scraper blade occupied, make the structure compacter, conveniently accomodate the pile driver.

Drawings

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

FIG. 2 is a schematic structural view of the scraper blade of the present invention in a turned-open state;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural view of the scraper storage state of the present invention.

Reference numerals: 1. a frame; 11. a tower pole; 12. a carriage; 13. a drill stem; 2. a guide cylinder; 3. a rotating ring; 4. a drive assembly; 41. a motor; 42. a gear; 43. a ring gear; 5. a squeegee; 51. a brush bar; 52. brushing; 6. a rotating shaft; 61. a bolt; 62. an ear plate; 63. a first threaded hole; 64. a through hole; 65. and a second threaded hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the screw pile driver comprises a frame 1, a tower rod 11 rotatably arranged on the frame 1 and a sliding frame 12 arranged on the tower rod 11 in a sliding manner along the length direction of the tower rod 11, wherein the tower rod 11 is stretched and contracted through a piston rod of an air cylinder on the frame 1 to drive the tower rod 11 to rotate around the rotation center of the tower rod on the frame 1, and the sliding frame 12 is matched with a screw rod lifter arranged on the sliding frame through a screw rod on the tower rod 11, so that the tower rod 11 can move along the length direction of the tower rod 11. When the tower rod 11 is in a vertical state, a drill rod 13 is rotatably arranged below the sliding frame 12, a driving source for driving the drill rod 13 to rotate is fixedly arranged above the sliding frame 12, the driving source is a motor, and an output shaft of the driving source is coaxially and fixedly connected with the drill rod 13.

As shown in fig. 1 and 2, a guide cylinder 2 is fixedly connected to the end of the tower rod 11, the guide cylinder 2 is coaxially arranged with the drill rod 13, and the inner diameter of the guide cylinder 2 is the same as the maximum hole-enlarging size of the drill rod 13. The outer wall of guide cylinder 2 has seted up the round annular along self circumference, and the annular endotheca is equipped with swivel ring 3, and swivel ring 3 can rotate around guide cylinder 2. The tower pole 11 is provided with a driving component 4 for driving the rotating ring 3 to rotate, the driving component 4 comprises a motor 41, a gear 42 and a gear ring 43, the gear ring 43 is coaxially and fixedly sleeved on the outer wall of the rotating ring 3, the motor 41 is fixedly arranged on the side wall of the tower pole 11, the gear 42 is coaxially and fixedly connected with an output shaft of the motor 41, and the gear 42 is meshed with the gear ring 43.

As shown in fig. 2 and 3, the outer wall of the rotating ring 3 is located below the gear ring 43, a rotating shaft 6 is fixedly arranged along the vertical direction, and the scraper 5 is rotatably arranged on the rotating shaft 6. The scraper 5 is an arc-shaped plate, and when the scraper 5 rotates to the concave surface of the scraper to be contacted with the rotating ring 3, the concave surface of the scraper 5 is coaxial with the rotating ring 3. Three scraping plates 5 are evenly distributed along the circumferential direction of the rotating ring 3 at intervals, namely, the central angle formed by the two ends of the scraping plates 5 and the axes of the scraping plates 5 is less than one third of a circle. The convex surface orientation of scraper blade 5 is unanimous with the direction of advance of rotating back scraper blade 5 of swivel ring 3, and scraper blade 5 is rotating the in-process that advances, and the working face that promotes earth and advance is the front of scraper blade 5, and the front and the ground of scraper blade 5 are perpendicular.

As shown in FIG. 2, the bottom surface of the scraper 5 is parallel to the ground and 5cm to 10cm away from the ground, and the top surface of the scraper 5 is inclined downwards from the end of the scraper 5 close to the rotating shaft 6 to the end far away from the rotating shaft 6. The lower edge of the surface of the scraper 5 is provided with a brush rod 51 in an attaching manner, and the brush rod 51 is fixedly connected with the scraper 5 through a bolt. The bottom wall of the brush bar 51 carries bristles 52 which terminate flush with the floor.

As shown in fig. 2 and 3, an ear plate 62 for limiting the rotation angle of the scraper 5 is vertically and fixedly arranged on the outer wall of the rotating ring 3, and the ear plate 62 can contact with the convex surface of the scraper 5 in the rotated state. When the scraper 5 rotates to the maximum angle, that is, when the scraper 5 abuts against the lug plate 62, the tangent plane of the scraper 5 at the contact position of the scraper 5 and the rotating ring 3 is perpendicular to the tangent plane of the rotating ring 3. The lug plate 62 is provided with a first threaded hole 63 perpendicular to the whole front surface of the scraper 5, the scraper 5 is provided with a through hole 64 corresponding to the first threaded hole 63, and the bolt 61 is inserted into the through hole 64 of the concave surface of the scraper 5 from the back surface of the scraper 5, namely, the through hole 64 of the concave surface of the scraper 5 and screwed with the first threaded hole 63 on the lug plate 62, so that the scraper 5 is fixed in a working state. Referring to fig. 4, the rotating ring 3 is provided with a second threaded hole 65, and when the scraper 5 rotates to be attached to the rotating ring 3, the second threaded hole 65 corresponds to the through hole 64 of the scraper 5. At this time, the bolt 61 is inserted into the through hole 64 from the front surface of the blade 5 and is screwed into the second screw hole 65, so that the blade 5 can be fixed in a state of being attached to the rotating ring 3, the structure is more compact, and the pile driver can be conveniently stored.

The specific working process is as follows: when the constructor punches the ground, the tower rod 11 is rotated to a vertical state, the drill rod 13 is vertically oriented to the ground, and the bottom of the guide cylinder 2 is abutted to the ground. The motor is then started and the carriage 12 is lowered to begin the drilling operation in the ground. After the drill rod 13 extrudes and conveys soil from an opening above the guide cylinder 2 and drops around the guide cylinder 2, the motor 41 is started again to drive the gear 42 to rotate, the gear 42 is meshed with the gear ring 43 to drive the rotating ring 3 to rotate on the guide cylinder 2, the dropped soil around the guide cylinder 2 is scraped together, and the soil is thrown away from the guide cylinder 2 under the action of centrifugal force in the moving process around the guide cylinder 2, so that the ground around the guide cylinder 2 is emptied. After the drill rod 13 is lifted after drilling, earth on the ground is not easy to collapse and backfill into the deep hole, and the stability of the formed concrete vertical pile is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a spiral pile driver, includes frame (1), rotates tower pole (11) of setting on frame (1) and slides carriage (12) of setting on tower pole (11) along tower pole (11) length direction, carriage (12) below is rotated and is provided with drilling rod (13), the fixed driving source that is used for driving drilling rod (13) pivoted that is provided with on carriage (12), its characterized in that: the lower extreme of tower pole (11) sets firmly guide cylinder (2) coaxial with drilling rod (13), the bottom and the ground butt of guide cylinder (2), the internal diameter of guide cylinder (2) equals with drilling rod (13) maximum diameter, the outer wall coaxial rotation of guide cylinder (2) is provided with swivel becket (3), be provided with on tower pole (11) and be used for driving swivel becket (3) pivoted drive assembly (4), the outer wall of swivel becket (3) is provided with and is used for clearing up ground scraper blade (5).

2. A screw pile driver according to claim 1, characterised in that: the driving assembly (4) comprises a motor (41), a gear (42) and a gear ring (43), the motor (41) is fixedly arranged on the side wall of the tower rod (11), the gear (42) is coaxially and fixedly connected to an output shaft of the motor (41), the gear ring (43) is coaxially and fixedly arranged on the outer wall of the rotating ring (3), and the gear ring (43) is meshed with the gear (42).

3. A screw pile driver according to claim 1, characterised in that: the bottom wall of the scraper blade (5) is higher than the ground, a brush rod (51) is fixedly arranged on the surface of the scraper blade (5) along the length direction of the bottom wall, and bristles (52) contacted with the ground are arranged on the bottom surface of the brush rod (51).

4. A screw pile driver according to claim 1, characterised in that: the scraper (5) is provided with a plurality of blocks at even intervals along the circumferential direction of the rotating ring (3).

5. A screw pile driver according to claim 1, characterised in that: the top wall of the scraper (5) is arranged to be a downward inclined surface along the direction far away from the rotating ring (3).

6. A screw pile driver according to claim 1, characterised in that: the scraper blade (5) are arc-shaped plates, the convex surface orientation of the scraper blade (5) is consistent with the rotating direction of the rotating ring (3), and the plate surface of the scraper blade (5) is vertical to the ground.

7. Screw pile driver according to claim 6, characterised in that: the outer wall of swivel becket (3) is fixed and is provided with vertical axis of rotation (6), scraper blade (5) are rotated and are set up on axis of rotation (6), the concave surface size and swivel becket (3) lateral wall size looks adaptation of scraper blade (5), be provided with on swivel becket (3) and be used for restricting scraper blade (5) at the state of revolving open and with the locating part of swivel becket (3) lateral wall laminating state.

8. Screw pile driver according to claim 7, characterised in that: the locating part is bolt (61), the fixed otic placode (62) that is used for the butt at the convex surface of the state scraper blade of running aside that is provided with of outer wall of swivel becket (3), first screw hole (63) have been seted up on otic placode (62), set up through-hole (64) that correspond with first screw hole (63) on scraper blade (5), set up second screw hole (65) that correspond at through-hole (64) under scraper blade (5) and swivel becket (3) laminating state on the outer wall of swivel becket (3), bolt (61) pass through-hole (64) to with first screw hole (63) or second screw hole (65) threaded connection.