CN218521785U

CN218521785U - Core drawing device for prestressed pipe pile

Info

Publication number: CN218521785U
Application number: CN202222692507.0U
Authority: CN
Inventors: 高德领; 徐海标; 李琦; 胡迎风; 周松
Original assignee: Anhui Construction Co ltd Of China Construction Sixth Engineering Bureau
Current assignee: China Construction Sixth Bureau Eighth Construction Co.,Ltd.
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-02-24
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a prestressed pipe pile core drawing device in the technical field of auxiliary devices for building construction, which comprises a fixed seat; a support; the water inlet and the water outlet which are communicated with the water inlet cavity and the water discharge cavity are respectively arranged on the outer wall of the lifting column; the rotating shaft coaxially penetrates through the lifting column and is driven to rotate by a motor arranged at the top of the lifting column; the plurality of sawtooth plates are fixedly connected to the lower end of the rotating shaft; and the lifting mechanism is used for driving the lifting column to vertically move. Through the rotation of motor drive serration plate for serration plate can stir garrulous to the earth in the tubular pile, and the intracavity of intaking is carried with water by the water inlet to outside water pump simultaneously, and dilutes the earth that the garrulous got off, makes earth form mud as far as possible, then extracts the mud that forms through outside pumping equipment via a play water cavity, can discharge the earth in the tubular pile by the at utmost like this.

Description

Core drawing device for prestressed pipe pile

Technical Field

The utility model relates to a construction auxiliary device technical field specifically is a core device is drawn to prestressing force tubular pile.

Background

The prestressed pipe pile is used as a foundation for bearing the load of an upper building, and in order to ensure the effective transmission of the load, the soil body in the prestressed pipe pile needs to be dug cleanly and then poured with concrete.

A novel pile core drawing device for prestressed pipe piles is disclosed in Chinese patent No. CN203701100U through retrieval, and comprises: steel pipe, spiral steel sheet and torsion iron bar, its characterized in that: the spiral steel plate is welded at one end of the steel pipe through a welding seam, and the torsion iron rod is inserted into the steel pipe through an eyelet formed in the body of the steel pipe.

Among the above-mentioned prior art, the adoption rotates the steel pipe to make spiral steel sheet produce the shear force to the earth in the tubular pile, make earth transferred to the tubular pile oral area under the shear force effect, there is following defect in this kind of mode: need artifical mode to rotate torsion iron bar and come rotatory steel pipe, and the resistance of spiral steel sheet when to the cutting of earth is great for intensity of labour when workman manually operation is great, in addition because the spiral steel sheet is artifical rotatory, its rotational speed is lower, can't be discharged fast by the earth that cuts down, makes the earth that is cut out earlier can be by the phenomenon of backfilling, has increased the tubular pile and has drawn core work load.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, a core device is drawn to prestressing force tubular pile is provided, in order to solve the above-mentioned technical problem, the utility model provides a following technical scheme:

the utility model provides a: the utility model provides a core device is drawn to prestressing force tubular pile, includes:

the fixing seat is provided with a through hole for the pipe pile to freely pass through;

the support is arranged on the fixed seat;

the lifting column vertically penetrates through the support and can freely slide up and down, two cavities are arranged in the lifting column, the two cavities are respectively defined as a water inlet cavity and a water drainage cavity, and a water inlet and a water outlet communicated with the water inlet cavity and the water drainage cavity are respectively arranged on the outer wall of the lifting column;

the rotating shaft coaxially penetrates through the lifting column and is driven to rotate by a motor arranged at the top of the lifting column;

the plurality of sawtooth plates are fixedly connected to the lower end of the rotating shaft;

and the lifting mechanism is used for driving the lifting column to vertically move.

In the prestressed tubular pile core drawing device, the fixed seat is provided with the ferrule, and the ferrule is coaxial with the through hole.

In the core device for prestressed pipe piles, the support is provided with the guide sleeve, and the guide sleeve is slidably sleeved on the lifting column.

In the above prestressed tubular pile coring device, the lifting mechanism includes:

the stepping motor is arranged on the support;

the gear is sleeved on a motor shaft of the stepping motor;

and the rack is fixedly connected to the lifting column, the length direction of the rack is parallel to the axial direction of the lifting column, and the rack is meshed with the gear.

In the core device for the prestressed tubular pile, one end of the serrated plate facing to the radial outer side of the lifting column is provided with a side scraping plate vertically extending upwards.

Compared with the prior art, the beneficial effects of the utility model are that: through the rotation of motor drive serration plate, make serration plate can stir garrulous to the earth in the tubular pile, outside water pump carries water intracavity into by the water inlet simultaneously, and dilute the mud that the garrulous got off, make earth form mud as far as possible, then extract the mud that forms through outside pumping equipment via a play water cavity, can discharge the earth in the tubular pile by the at utmost like this, through setting up the vertical removal of elevating system drive lift post, make the lift post need not manual operation, the labor intensity is reduced, because the mode of taking out after adopting the dilution carries out earth and handles, the phenomenon that earth backfills can not produce.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic bottom view of the structure of FIG. 1;

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

FIG. 4 is an exploded schematic view of the structure of FIG. 2;

FIG. 5 is an enlarged view of a portion of the structure shown at B in FIG. 4;

fig. 6 is an enlarged view of a portion of the structure at C in fig. 4.

In the figure: 1-motor, 2-water inlet, 3-lifting column, 4-water outlet, 5-rack, 6-gear, 7-guide sleeve, 8-support, 9-ferrule, 10-stepping motor, 11-fixing seat, 12-side scraper, 13-sawtooth plate, 14-rotating shaft, 15-water inlet cavity, 16-drainage cavity, 17-spring, 18-lifting ring, 19-dredging rod, 20-mounting sleeve, 21-fixing ring, 22-fixing sleeve, 23-arc groove, 24-driving rod and 25-thin rod.

Detailed Description

The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

Examples

As shown in fig. 1 to 6, the present embodiment provides a technical solution: a prestressed pipe pile core drawing device comprises a fixed seat 11 which can be sleeved on one end, exposed out of a foundation pit, of a pipe pile, a through hole type penetrating opening is formed in the fixed seat 11 and can penetrate through the pipe pile, the fixed seat 11 can be sleeved on the pipe pile, a support 8 with an approximately U-shaped outer outline is arranged on the fixed seat 11, two side plates of the support 8 are welded on the fixed seat 11, a through hole type sliding groove is formed in a transverse plate of the support 8, a lifting column 3 capable of freely sliding up and down is arranged in the sliding groove in a penetrating mode, the lower end of the lifting column 3 can penetrate through the penetrating opening, a rotating shaft 14 is coaxially arranged on the lifting column 3 in a penetrating mode, the rotating shaft 14 can freely rotate in the lifting column 3, the lower end of the rotating shaft penetrates through the lifting column 3 and is coaxially connected with an installation sleeve 20, four serrated plates 13 are fixedly connected to the periphery of the installation sleeve 20 along an axial array of the installing sleeve, the serrated plates 13 are in a serrated shape, a serrated plate 13 is arranged in a serrated shape, a screw at the upper end of the lifting column 3 is provided with a motor 1, and a motor shaft 1 can be connected with the rotating shaft 14 through a coupler, so that the motor 1 can be powered on an external power supply;

the outer edge of the lifting column 3 is welded with a rack 5, the length direction of the rack 5 is parallel to the axial direction of the lifting column 3, in addition, two support plates are welded on a support 8, one support plate is horizontally provided with a stepping motor 10, a motor shaft of the stepping motor 10 is sleeved with a gear 6, the gear 6 and the rack 5 are in an external meshing state, when soil inside the pile is cleaned, firstly, an external power supply supplies power to the stepping motor 10, the motor shaft of the stepping motor 10 rotates and drives the gear 6 to rotate, and the gear 6 is meshed with the rack 5, so that the rack 5 can be driven to vertically move, the lifting column 3 is driven to move downwards, the serrated plate 13 extends into the pipe pile and is driven by the motor to rotate, the serrated plate 13 can rotate and stir the soil inside the pipe pile, and the soil is stirred;

the bottom of the lifting column 3 is provided with two cavities in a blind hole form, the two cavities are respectively defined as a water inlet cavity 15 and a water outlet cavity 16, in addition, the outer wall of the lifting column 3 is provided with two water inlets 2 and two water outlets 4 which are respectively communicated with the water inlet cavity 15 and the water outlet cavity 16, the water inlets 2 are communicated with an external water pump through pipelines, the water outlets 4 are communicated with an external water pump through pipelines, thus when the serration plate 13 is used for stirring the soil, the external water pump conveys water into the water inlet cavity 15 from the water inlets 2 and sprays the water from the lower end opening part of the water inlet cavity 15, the stirred soil is impacted, the soil can be diluted into mud slurry by the water, then the external water pump is controlled by an external controller to start the water pump at intervals (which can be set to be 5-10 min), the diluted soil is absorbed by the water outlets 4 and the water outlet cavity 16, the mud slurry can be discharged from the water outlets 4, and the mud inside the pile is emptied without manual operation, so that the labor intensity of workers is lower, in addition, the mud is firstly crushed into the mud is firstly pumped out, the progress is avoided, the soil emptying efficiency and the soil of the pile is improved, and the soil refilling efficiency is improved;

the upper surface of the support 8 is provided with a guide sleeve 7 with a notch, the guide sleeve 7 and the sliding groove are in a coaxial state, the lifting column 3 is slidably arranged in the guide sleeve 7 in a penetrating manner, the guide sleeve 7 can slide on the lifting column 3 along the axial direction of the lifting column, the guide sleeve 7 can guide the up-and-down movement of the lifting column 3 and can reinforce the lifting column 3, and the notch on the guide sleeve 7 can be used for the rack 5 to freely pass through, so that the movement of the rack is prevented from being influenced;

two handles are respectively arranged on two sides of the fixed seat 11, the fixed seat 11 is convenient to transport by arranging the handles, and the fixed seat 11 can be moved by holding the two handles when being carried;

one end of the serrated plate 13, which is far away from the rotating shaft 14, is provided with a side scraping plate 12 which extends vertically upwards, and the side scraping plate 12 rotates synchronously with the rotating shaft 14, so that when soil in the tubular pile is discharged, the side scraping plate 12 scrapes the soil on the inner wall of the tubular pile, the soil discharging effect on the tubular pile is improved, and the concrete pouring quality is prevented from being influenced;

an annular ferrule 9 is fixedly connected to the fixed seat 11, the inner diameter of the ferrule 9 is matched with the outer diameter of the tubular pile, and the ferrule is coaxial with the through opening, so that after the through opening is sleeved into the tubular pile, the ferrule is sleeved on the tubular pile, and the mounting stability of the fixed seat 11 and the tubular pile can be improved;

the lower end of the lifting column 3 is coaxially connected with a hollow fixed sleeve 22, an inner hole on the fixed sleeve 22 can allow a rotating shaft to freely penetrate out, the lower end of the fixed sleeve 22 is sleeved with a lifting ring 18, the lifting ring 18 can freely slide up and down on the fixed sleeve 22, the lifting ring 18 and the fixed sleeve 22 are connected through a key, a spring 17 is sleeved on the fixed sleeve 22, the spring 17 elastically supports against the lifting ring 18 and drives the lifting ring 18 to move downwards, two lug blocks are arranged on the lifting ring 18, dredging rods 19 are vertically fixedly connected to the two lug blocks, the two dredging rods 19 respectively penetrate into the water inlet cavity 15 and the water outlet cavity 16, a lug block is arranged on the mounting sleeve 20, a driving rod 24 is vertically arranged on the lug block, a ball is rotatably embedded at the upper end of the driving rod, a fixed ring 21 is coaxially arranged on the lower end face of the lifting ring 18, two arc-shaped grooves 23 are arranged on the lower end face of the fixed ring 21, and rolls on the lower end face of the fixed ring 21, and can roll to in the arc wall 23, when the ball rolls on the lower terminal surface of solid fixed ring 21, will produce drive power upwards to lift ring 18, make lift ring 18 drive dredging rod 19 and move upwards, then after the ball rolls to the arc wall in, the spring will be turned into the extension state by the compression state, and drive lift ring 18 and move down, make lift ring 18 move down, and then make dredging rod 19 move down, so relapse fast, make dredging rod 19 can reciprocate from top to bottom fast, realize producing the mediation effect to the inside silt of intake chamber, play water cavity, can fix a plurality of slender poles 25 on dredging rod 19 in addition, slender pole 25 axial and dredging rod 19 axial vertical, like this when dredging rod vertical movement, can make slender pole 25 produce great mediation scope, improve the mediation effect to the silt.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a core device is drawn to prestressing force tubular pile which characterized in that includes:

the fixing seat (11) is provided with a through hole for the pipe pile to freely pass through;

the support (8) is arranged on the fixed seat (11);

the lifting column (3) vertically penetrates through the support (8) and can freely slide up and down, two cavities are arranged in the lifting column (3), the two cavities are respectively defined as a water inlet cavity (15) and a water drainage cavity (16), and a water inlet (2) and a water outlet (4) communicated with the water inlet cavity (15) and the water drainage cavity (16) are respectively arranged on the outer wall of the lifting column (3);

the rotating shaft (14) is coaxially arranged on the lifting column (3) in a penetrating manner and is driven to rotate by a motor (1) arranged at the top of the lifting column (3);

the sawtooth plates (13) are fixedly connected to the lower end of the rotating shaft (14);

the lifting mechanism is used for driving the lifting column (3) to vertically move.

2. A prestressed pipe pile coring device as claimed in claim 1, wherein a ferrule (9) is provided on the fixing seat (11), and the ferrule (9) is coaxial with the through opening.

3. A prestressed pipe pile coring device according to claim 1, wherein a guide sleeve (7) is provided on the support (8), and the guide sleeve (7) is slidably fitted over the lifting column (3).

4. The prestressed tubular pile coring device of claim 1, wherein said lifting mechanism comprises:

the stepping motor (10) is arranged on the support (8);

the gear (6) is sleeved on a motor shaft of the stepping motor (10);

and the rack (5) is fixedly connected to the lifting column (3), the length direction of the rack is parallel to the axial direction of the lifting column (3), and the rack (5) is meshed with the gear (6).

5. A prestressed pipe pile coring device as set forth in claim 1, wherein the end of said serration plate (13) facing the radially outer side of the elevating column (3) is provided with a side blade (12) extending vertically upward.