CN216075120U

CN216075120U - Bored concrete pile digs sediment device at bottom of stake soon

Info

Publication number: CN216075120U
Application number: CN202122364325.6U
Authority: CN
Inventors: 陈政; 赵延露; 曹明瑞; 白生利; 邓闯; 黄英魁; 雷尚成; 丁天; 张鹏; 高文斌; 刘洋; 梁积铭; 徐小龙; 鲁俊良; 徐鹏; 廖培岭; 杨政
Original assignee: CCCC Seventh Engineering Co Ltd
Current assignee: CCCC Seventh Engineering Co Ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-03-18
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses a bored concrete pile rotary digging pile bottom slag removing device, which comprises a hoisting assembly, wherein a pile bottom fixing assembly is connected with the hoisting assembly, a pile bottom power assembly is arranged on the pile bottom fixing assembly, and a slag removing assembly is arranged on the pile bottom power assembly; fixed subassembly includes the stabilizer bar at the bottom of the stake, telescopic link and arc, the inside flexible hole that is provided with of stabilizer bar, the inside in flexible hole is the symmetry and is provided with the telescopic link, telescopic link and the sealed cooperation in flexible hole, and the telescopic link can only slide along the length direction of stabilizer bar in flexible hole, form the pressure chamber between two telescopic link tip in flexible hole, the pressure chamber links to each other with pipeline's one end, the telescopic link links to each other with the arc, the telescopic link, when fixed subassembly is accomodate at the bottom of the stake, distance between two arcs is less than the internal diameter in stake base hole, when fixed subassembly struts at the bottom of the stake, distance between two arcs is greater than the internal diameter in stake base hole. The utility model can drill deeper pile foundation holes and can improve the efficiency.

Description

Bored concrete pile digs sediment device at bottom of stake soon

Technical Field

The utility model relates to the field of pile foundation hole construction equipment, in particular to a rotary excavating pile bottom slag removing device for a cast-in-place pile.

Background

In the highway construction process, the bridge is inevitably needed to be assumed, the most important thing in the bridge construction is the construction of a pile foundation hole, in the prior art, the pile foundation hole is usually constructed in a pile foundation hole mode, a submersible drilling machine is adopted in construction equipment with the highest construction efficiency, and the submersible drilling machine drives a mud digging part to rotate and remove slag by using a rotating rod with the length of dozens of meters when in use. However, such a device has a problem that when a deeper pile foundation hole needs to be drilled, the length of the rotating rod is insufficient, and the lengthened rotating rod is inconvenient to pull and pull the dredging part, because the upside rotating rod is too long, the device on the ground is likely to turn on one's side, or the time for the rotating rod to ascend or descend is prolonged, so that the efficiency of drilling the pile foundation hole is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a rotary digging pile bottom slag removing device for a cast-in-place pile.

The purpose of the utility model is realized by the following technical scheme:

a bored concrete pile rotary excavating pile bottom slag removal device comprises a hoisting assembly, a pile bottom fixing assembly, a pile bottom power assembly and a slag removal assembly, wherein the pile bottom fixing assembly is connected with the hoisting assembly, the pile bottom power assembly is arranged on the pile bottom fixing assembly, and the slag removal assembly is arranged on the pile bottom power assembly;

the pile bottom fixing component comprises a stabilizing rod, a telescopic rod and an arc-shaped plate, a telescopic hole penetrating through the stabilizing rod is arranged in the stabilizing rod along the length direction of the stabilizing rod, the telescopic rods are symmetrically arranged inside the telescopic holes and are in sealing fit with the telescopic holes, the telescopic rods can only slide along the length direction of the stabilizing rod in the telescopic holes, a pressure cavity is formed between the end parts of the two telescopic rods in the telescopic holes, the pressure cavity is connected with one end of the conveying pipeline, the other end of the telescopic rod is connected with the inner wall of the arc-shaped plate, the outer wall of the arc-shaped plates is matched with the inner wall of the pile foundation hole, when the pile bottom fixing assembly of the telescopic rod is stored, the distance between the two arc-shaped plates is smaller than the inner diameter of the pile foundation hole, when the pile bottom fixing assembly is unfolded, the distance between the two arc-shaped plates is larger than the inner diameter of the pile foundation hole.

Furthermore, the cross sections of the telescopic rod and the telescopic hole are square, and the axial leads of the two arc-shaped plates are parallel.

Furthermore, two opposite side walls of the pressure cavity are provided with penetrating first threaded holes, the axial lead of each first threaded hole is parallel to the axial lead of the arc-shaped plate, a dividing column is connected between the two first threaded holes in a sealing mode, a second threaded hole is formed in the dividing column, the first threaded holes are matched with the second threaded holes, the dividing column divides the telescopic hole into two sections with the same length, and the dividing column does not divide the pressure cavity.

Further, the pile bottom power assembly comprises a transmission rod, a sealing box body, a driving motor, a guide rod and a guide block, the lower end of the transmission rod is connected with the slag removing assembly, the upper end of the transmission rod sequentially penetrates through the first threaded hole, the second threaded hole and the first threaded hole and then is connected with an output shaft of the driving motor, the driving motor is arranged in the sealing box body, the output shaft of the driving motor is connected with the wall of the sealing box body in a sealing mode, the sealing box body is fixedly arranged on the guide block, the guide block is arranged on the guide rod, the guide block is located on the guide rod and can only slide up and down on the guide rod, the lower end of the guide rod is fixed on the stabilizer rod, and threads matched with the second threaded hole are arranged on the side wall of the transmission rod.

Furthermore, a sliding hole which penetrates through the guide block and is matched with the guide rod is formed in the guide block.

Further, the cross section of the sliding hole is a regular polygon.

Furthermore, the slag removing assembly comprises a conical barrel and a slag removing plate, the slag removing plate is arranged at the large-diameter end of the conical barrel, the small-diameter end of the conical barrel is connected with the lower end of the transmission rod, and the conical barrel and the transmission rod are coaxially arranged.

Furthermore, a plurality of water filtering holes which penetrate through the side wall of the conical barrel are arranged.

Furthermore, the lifting assembly comprises a lifting machine and a hydraulic source, the lifting machine and the hydraulic source are both arranged on the ground, the lifting machine is connected with the stabilizing rod through a rope, and the hydraulic source is connected with the other end of the conveying pipeline through a power pump.

The utility model has the beneficial effects that:

1) according to the utility model, the hoisting component hoists the pile bottom fixing component, the pile bottom power component and the slag removal component by using the rope, during slag removal, the arc-shaped plate in the pile bottom fixing component is fixed on the inner wall of the pile base hole, and the pile bottom power component drives the slag removal component to directly remove slag, so that the length of the rotating rod is reduced, the rope winding/unwinding speed is very high, the working efficiency is not reduced, the equipment cannot be turned on one side, and a deeper pile foundation hole can be built.

2) In the power component at the bottom of the pile, threaded connection between transfer line and the stabilizer bar, after the stabilizer bar is fixed, can drive the conical barrel when the transfer line rotates and rotate, the conical barrel rotates and drives the slag cleaning board and clear away the sediment, and the conical barrel is used for collecting the sediment after the slag cleaning board cleared up.

3) When the arc is used for fixing the stabilizer bar, the arc is tightly attached to the inner wall of the pile foundation hole, and meanwhile, the arc extrudes the inner wall of the pile foundation hole, so that the pile foundation hole is further reinforced.

Drawings

FIG. 1 is a schematic view of a connection structure according to the present invention;

FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1;

FIG. 3 is a schematic view of the driving rod engaged with the stabilizer bar;

FIG. 4 is an enlarged view of the structure at B of FIG. 1;

in the figure, 1-a stabilizer bar, 2-a telescopic rod, 3-an arc plate, 4-a telescopic hole, 5-a pressure cavity, 6-a conveying pipeline, 7-a pile foundation hole, 8-a first threaded hole, 9-a segmentation column, 10-a second threaded hole, 11-a transmission rod, 12-a sealing box body, 13-a driving motor, 14-a guide rod, 15-a guide block, 16-a sliding hole, 17-a conical barrel, 18-a slag removing plate, 19-a water filtering hole, 20-a crane, 21-a hydraulic source, 22-a rope and 23-a crane disc.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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 obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a bored concrete pile rotary excavating pile bottom slag removal device comprises a hoisting assembly, a pile bottom fixing assembly, a pile bottom power assembly and a slag removal assembly, wherein the pile bottom fixing assembly is connected with the hoisting assembly, the pile bottom power assembly is arranged on the pile bottom fixing assembly, and the slag removal assembly is arranged on the pile bottom power assembly; fixed subassembly includes stabilizer bar 1 at the bottom of the stake, telescopic link 2 and

arc

3, 1 inside telescopic hole 4 that sets up the run-through along stabilizer bar 1's length direction of stabilizer bar, telescopic hole 4's inside is the symmetry and is provided with telescopic link 2, telescopic link 2 and telescopic hole 4 seal fit, and telescopic link 2 can only slide along stabilizer bar 1's length direction in telescopic hole 4, form pressure chamber 5 between 2 tip of two telescopic links in telescopic hole 4, pressure chamber 5 links to each other with pipeline 6's one end, telescopic link 2's the other end links to each other with arc 3's inner wall, arc 3's the outer wall and pile foundation hole 7's inner wall cooperation, telescopic link 2, when fixed subassembly was accomodate at the bottom of the stake, distance between two arc 3 is less than pile foundation hole 7's internal diameter, when fixed subassembly struts at the bottom of the stake, distance between two arc 3 is greater than pile foundation hole 7's internal diameter. Wherein, stabilizer bar 1's main function plays the stabilizing effect, and effectual assurance transfer line 11 drives the scarfing cinder subassembly and rotates. In this patent, have hydraulic oil in the pressure chamber 5, through pipeline 6 when pouring into hydraulic oil into pressure chamber 5, two telescopic links 2 are released to both sides simultaneously in flexible hole 4 to make two arcs 3 hug closely on the inner wall in pile foundation hole 7, when accomodating, two telescopic links 2 also can inwards shrink simultaneously.

Preferably, the cross sections of the telescopic rod 2 and the telescopic hole 4 are square, and the axial leads of the two arc-shaped plates 3 are parallel. The telescopic rod 2 and the telescopic hole 4 are both arranged to be square, the purpose of the telescopic rod is to prevent the telescopic rod 2 from rotating in the telescopic hole 4, the axial leads of the two arc-shaped plates 3 are arranged to be parallel lines, and the purpose of the telescopic rod is to enable the drilled holes to be vertical and downward.

Preferably, two opposite side walls of the pressure cavity 5 are provided with first threaded holes 8 which penetrate through the pressure cavity, the axial lead of each first threaded hole 8 is parallel to the axial lead of the arc-shaped plate 3, a dividing column 9 is connected between the two first threaded holes 8 in a sealing mode, a second threaded hole 10 is formed in the dividing column 9, the first threaded holes 8 are matched with the second threaded holes 10, the dividing column 9 divides the telescopic hole 4 into two sections with equal length, and the dividing column 9 does not divide the pressure cavity 5. The diameters of the first threaded hole 8 and the second threaded hole 10 are equal or unequal, but the first threaded hole and the second threaded hole all need to be matched with the transmission rod 11, so that the transmission rod 11 is coaxial with the pile foundation hole 7.

The pile bottom power assembly comprises a transmission rod 11, a sealing box body 12, a driving motor 13, a guide rod 14 and a guide block 15, the lower end of the transmission rod 11 is connected with a slag removal assembly, the upper end of the transmission rod 11 sequentially penetrates through a first threaded hole 8, a second threaded hole 10 and the first threaded hole 8 and then is connected with an output shaft of the driving motor 13, the driving motor 13 is arranged inside the sealing box body 12, the output shaft of the driving motor 13 is connected with the wall of the sealing box body 12 in a sealing mode, the sealing box body 12 is fixedly arranged on the guide block 15, the guide block 15 is arranged on the guide rod 14, the guide block 15 can only slide up and down on the guide rod 14, the lower end of the guide rod 14 is fixed on the stabilizer bar 1, and threads matched with the second threaded hole 10 are arranged on the side wall of the transmission rod 11. The transmission rod 11 is a cylindrical rod, the outer side of the transmission rod is provided with threads, the transmission rod 11 moves when rotating under the action of the threads, and after the stabilizer bar 1 is fixed, the transmission rod 11 can rotate clockwise or anticlockwise. The purpose of the sealing box 12 is to prevent the driving motor 13 from being soaked, the guide rod 14 is used for limiting the guide block 15, so that the guide block 15 can only slide up and down on the guide rod 14, and the sliding of the guide block 15 drives the sealing box 12 to slide, so that the driving motor 13 drives the transmission rod 11 to rotate and move up and down.

Preferably, the guide block 15 is provided with a sliding hole 16 penetrating and engaged with the guide bar 14. The cross section of the slide hole 16 is a regular polygon. The guide bar 14 is used to stabilize the guide block 15, and since the driving motor 13 is rotated to exert a force on the guide bar 14, the guide bar 14 is formed in a regular polygon shape in cross section, and if it is formed in a circle, the driving rod 11 is easily out of axis with the pile hole 7.

Preferably, the slag removing assembly comprises a conical barrel 17 and a slag removing plate 18, the slag removing plate 18 is arranged at the large-diameter end of the conical barrel 17, the small-diameter end of the conical barrel 17 is connected with the lower end of the transmission rod 11, and the conical barrel 17 is coaxially arranged with the transmission rod 11. The conical barrel 17 is provided with a small upper part and a large lower part so as to conveniently discharge slag in the conical barrel 17. The slag removal assembly is prior art. The side wall of the conical barrel 17 is provided with a plurality of water filtering holes 19 which penetrate through. The water filtering holes 19 are arranged to facilitate water filtering after water outlet.

The hoisting assembly comprises a hoisting machine 20 and a hydraulic source 21, the hoisting machine 20 and the hydraulic source 21 are both arranged on the ground, the hoisting machine 20 is connected with the stabilizer bar 1 through a rope 22, and the hydraulic source 21 is connected with the other end of the conveying pipeline 6 through a power pump. The hoisting assembly is in the prior art, a hydraulic source 21 supplies oil to a pressure cavity in the pile bottom fixing assembly, and a hoisting machine 20 lifts the pile bottom fixing assembly, the pile bottom power assembly and the slag removal assembly through a rope 22. The cable 22, the conveying pipe 6 and the cable connected to the driving motor 13 are different wire reels, and in general, the crane 20 is connected to the lifting plate 23 through the cable 22, and the lifting plate 23 is connected to the stabilizer bar 1 through the cable 22, so that the cable 22 is prevented from interfering with the guide bar 14, the airtight box 12 and the like.

The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the utility model is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a bored concrete pile digs sediment device at bottom of stake soon which characterized in that: the pile bottom power assembly is arranged on the pile bottom fixing assembly, and the slag removal assembly is arranged on the pile bottom power assembly;

the pile bottom fixing assembly comprises a stabilizer bar (1), telescopic rods (2) and an arc-shaped plate (3), wherein telescopic holes (4) penetrating through the stabilizer bar (1) are formed in the stabilizer bar (1) along the length direction of the stabilizer bar (1), the telescopic rods (2) are symmetrically arranged in the telescopic holes (4), the telescopic rods (2) are in sealing fit with the telescopic holes (4), the telescopic rods (2) can only slide along the length direction of the stabilizer bar (1) in the telescopic holes (4), a pressure cavity (5) is formed between the end parts of the two telescopic rods (2) in the telescopic holes (4), the pressure cavity (5) is connected with one end of a conveying pipeline (6), the other end of the telescopic rod (2) is connected with the inner wall of the arc-shaped plate (3), and the outer wall of the arc-shaped plate (3) is matched with the inner wall of a pile base hole (7), when the fixing component at the bottom of the pile is stored, the distance between the arc-shaped plates (3) is smaller than the inner diameter of the pile foundation hole (7), and when the fixing component at the bottom of the pile is spread, the distance between the arc-shaped plates (3) is larger than the inner diameter of the pile foundation hole (7).

2. The rotary excavating pile bottom slag removing device for the cast-in-place pile according to claim 1, which is characterized in that: the cross sections of the telescopic rod (2) and the telescopic hole (4) are square, and the axial leads of the two arc-shaped plates (3) are parallel.

3. The rotary excavating pile bottom slag removing device for the cast-in-place pile according to claim 2, which is characterized in that: all be provided with first screw hole (8) that run through on two lateral walls that pressure chamber (5) is relative, the axial lead of first screw hole (8) with the axial lead of arc (3) is parallel, two sealing connection has between first screw hole (8) cuts apart post (9), be provided with second screw hole (10) on cutting apart post (9), first screw hole (8) with second screw hole (10) cooperation, it will to cut apart post (9) flexible hole (4) are cut apart into two sections that length equals, just cut apart post (9) will pressure chamber (5) are cut apart.

4. The rotary excavating pile bottom slag removing device for the cast-in-place pile according to claim 3, which is characterized in that: the pile bottom power assembly comprises a transmission rod (11), a sealing box body (12), a driving motor (13), a guide rod (14) and a guide block (15), the lower end of the transmission rod (11) is connected with the slag removing assembly, the upper end of the transmission rod (11) sequentially penetrates through a first threaded hole (8), a second threaded hole (10) and a first threaded hole (8) and then is connected with an output shaft of the driving motor (13), the driving motor (13) is arranged in the sealing box body (12), the output shaft of the driving motor (13) is in sealing connection with the wall of the sealing box body (12), the sealing box body (12) is fixedly arranged on the guide block (15), the guide block (15) is arranged on the guide rod (14), and the guide block (15) can only slide up and down on the guide rod (14), the lower end of the guide rod (14) is fixed on the stabilizer bar (1), and the side wall of the transmission rod (11) is provided with a thread matched with the second threaded hole (10).

5. The rotary excavating pile bottom slag removing device for the cast-in-place pile according to claim 4, which is characterized in that: the guide block (15) is provided with a sliding hole (16) which penetrates through and is matched with the guide rod (14).

6. The rotary excavating pile bottom slag removing device for the cast-in-place pile according to claim 5, which is characterized in that: the cross section of the sliding hole (16) is a regular polygon.

7. The rotary excavating pile bottom slag removing device for the cast-in-place pile according to claim 4 or 5, which is characterized in that: the slag removing assembly comprises a conical barrel (17) and a slag removing plate (18), the slag removing plate (18) is arranged at the large-diameter end of the conical barrel (17), the small-diameter end of the conical barrel (17) is connected with the lower end of the transmission rod (11), and the conical barrel (17) and the transmission rod (11) are coaxially arranged.

8. The rotary excavating pile bottom slag removing device for the cast-in-place pile according to claim 7, which is characterized in that: the side wall of the conical barrel (17) is provided with a plurality of penetrating water filtering holes (19).

9. The rotary excavating pile bottom slag removing device for the cast-in-place pile according to claim 7, which is characterized in that: the lifting assembly comprises a lifting machine (20) and a hydraulic source (21), the lifting machine (20) and the hydraulic source (21) are arranged on the ground, the lifting machine (20) is connected with the stabilizing rod (1) through a rope (22), and the hydraulic source (21) is connected with the other end of the conveying pipeline (6) through a power pump.