阅读说明：本技术 灌注桩钢护筒扫孔设备 (Cast-in-place pile steel casing hole sweeping equipment ) 是由 孙慧峰 于 2020-11-06 设计创作，主要内容包括：本发明公开了一种灌注桩钢护筒扫孔设备,包括：可移动支架；扫孔机构,其包括设于所述可移动支架上的第一支撑架、转动设于所述第一支撑架上的转轴、所述转轴上间隔设有多个连接绳、顶面与多个连接绳端部共同连接的圆形扫孔盘,所述扫孔盘底部周向间隔设有多个清理齿,所述扫孔盘同轴贯穿设有安装孔,所述安装孔内可拆卸连接有单向阀；排渣机构,其包括与所述安装孔底部连通的定位筒,所述定位筒的底部连接有上端直径大下端直径小的收纳箱,所述收纳箱的顶部周向固设有环形密封板,所述扫孔盘上设有密封组件。本发明通过设置排渣机构实现将灌注桩内壁上的杂物进行收集,可有效减少灌注桩钢护筒底部的杂物,从而实现减少除去杂物的工作量。(The invention discloses a cast-in-place pile steel casing hole sweeping device, which comprises: a movable support; the hole sweeping mechanism comprises a first support frame arranged on the movable support, a rotating shaft rotatably arranged on the first support frame, a plurality of connecting ropes arranged on the rotating shaft at intervals, and a circular hole sweeping disc with the top surface connected with the end parts of the connecting ropes together, wherein a plurality of cleaning teeth are arranged at the bottom of the hole sweeping disc at intervals in the circumferential direction, the hole sweeping disc is coaxially provided with a mounting hole in a penetrating manner, and a one-way valve is detachably connected in the mounting hole; the slag discharging mechanism comprises a positioning cylinder communicated with the bottom of the mounting hole, the bottom of the positioning cylinder is connected with a containing box with a large upper end diameter and a small lower end diameter, an annular sealing plate is fixedly arranged on the circumferential direction of the top of the containing box, and a sealing assembly is arranged on the hole sweeping disc. The invention realizes the collection of the sundries on the inner wall of the cast-in-place pile by arranging the slag discharge mechanism, and can effectively reduce the sundries at the bottom of the steel pile casing of the cast-in-place pile, thereby realizing the reduction of the workload of removing the sundries.)

1. Bored concrete pile steel protects a section of thick bamboo and sweeps hole equipment, its characterized in that includes:

the movable support is erected above the cast-in-place pile steel casing;

the hole sweeping mechanism comprises a first support frame arranged on the movable support, a rotating shaft rotatably arranged on the first support frame, a plurality of connecting ropes arranged on the rotating shaft at intervals, and a circular hole sweeping disc with the top surface connected with the end parts of the connecting ropes together, wherein a plurality of cleaning teeth are arranged at intervals in the circumferential direction at the bottom of the hole sweeping disc, the cleaning teeth are vertically arranged downwards, the horizontal cross section of each cleaning tooth is arc-shaped so as to be attached to the inner wall of a steel casing of the cast-in-place pile, the hole sweeping disc is coaxially provided with a mounting hole in a penetrating manner, a one-way valve is detachably connected in the mounting hole, and the rotating shaft is connected with an output shaft of a motor;

the slag discharging mechanism comprises a positioning cylinder communicated with the bottom of the mounting hole, the positioning cylinder and the mounting hole are coaxially arranged, the bottom of the positioning cylinder is connected with a containing box with a large upper end diameter and a small lower end diameter, the lower end of the positioning cylinder is lower than the lower end of the containing box, the lower end of the positioning cylinder is slightly higher than the lower end of the cleaning teeth, an annular sealing plate is fixedly arranged on the top of the containing box in the circumferential direction, the sealing plate is vertically arranged, the top of the sealing plate is not in contact with the hole sweeping disc and the cleaning teeth to form a slag discharging channel, a sealing assembly is arranged on the hole sweeping disc and comprises an annular sliding groove formed by upward sinking of the bottom of the hole sweeping disc, the sliding groove and the hole sweeping disc are coaxially arranged, an annular sealing block capable of sliding up and down is arranged in the sliding groove, and the bottom of the sealing block upwards sinks to form an annular sealing groove to accommodate, the top of the sealing block is symmetrically provided with two containing grooves along the central axis thereof, positioning balls are rotationally arranged in the containing grooves, the bottom of the sliding groove is symmetrically provided with two threaded holes along the central axis thereof, the tops of the threaded holes are flush with the top surface of the hole sweeping disc, threaded rods are arranged in the threaded holes, and the lower ends of the threaded rods are connected with the positioning balls;

the cleaning mechanism comprises a mud box arranged on the movable support and a second support frame arranged on the top surface of the hole sweeping disc, wherein the mud box is respectively communicated with an output pipe and an input pipe, and the lower ends of the output pipe and the input pipe are detachably connected with the second support frame.

2. A cast-in-place pile steel casing hole sweeping apparatus according to claim 1, wherein the suction fans are all covered with a steel wire mesh.

3. A cast-in-place pile steel casing hole sweeping device as claimed in claim 1, wherein a cover body capable of being opened and closed is arranged at the top of the threaded hole.

4. The cast-in-place pile steel casing hole sweeping equipment according to claim 1, wherein the suction fan supplies power to the storage battery.

5. A cast-in-place pile steel casing hole sweeping equipment according to claim 1, wherein the top of the threaded rod is recessed downwards to form a groove with a triangular horizontal section, and the cast-in-place pile steel casing hole sweeping equipment further comprises two driving rods with a triangular horizontal section, and the driving rods are matched with the recesses so as to drive the threaded rod to move up and down through the driving rods.

6. A cast-in-place pile steel casing hole sweeping apparatus according to claim 1, wherein the one-way valve is communicated with an air duct, and an end of the air duct is located outside the cast-in-place pile steel casing.

7. The cast-in-place pile steel casing hole sweeping equipment according to claim 1, wherein five limiting plates are arranged on the rotating shaft at intervals, and one connecting rope is correspondingly connected between any two adjacent limiting plates.

8. A cast-in-place pile steel casing hole sweeping apparatus according to claim 1, wherein the movable support comprises a support body and a moving wheel provided at the bottom of the support body, and the height of the support body is adjustable.

Technical Field

The invention relates to the technical field of cast-in-place pile construction equipment. More particularly, the invention relates to hole sweeping equipment for a cast-in-place pile steel casing.

Background

With the advance of urbanization process in China, the construction requirements of ports and highway bridges in coastal areas are increasing day by day. The existing construction of the water cast-in-place pile generally adopts a steel pile casing construction process, and the steel pile casing needs to be subjected to hole sweeping treatment in the cast-in-place pile steel pile casing construction process. At present, hole sweeping of a cast-in-place pile steel pile casing is generally realized through hole sweeping equipment, but impurities can fall into the bottom of the cast-in-place pile steel pile casing in the hole sweeping process of the existing hole sweeping equipment, and the workload of removing the impurities is increased.

Disclosure of Invention

An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.

The invention also aims to provide hole sweeping equipment for the cast-in-place pile steel pile casing, which can collect sundries on the inner wall of the cast-in-place pile by arranging the slag discharge mechanism, effectively reduce the sundries at the bottom of the cast-in-place pile steel pile casing and further reduce the workload of removing the sundries.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a cast-in-place pile steel casing hole sweeping apparatus, including: .

The movable support is erected above the cast-in-place pile steel casing;

the hole sweeping mechanism comprises a first support frame arranged on the movable support, a rotating shaft rotatably arranged on the first support frame, a plurality of connecting ropes arranged on the rotating shaft at intervals, and a circular hole sweeping disc with the top surface connected with the end parts of the connecting ropes together, wherein a plurality of cleaning teeth are arranged at intervals in the circumferential direction at the bottom of the hole sweeping disc, the cleaning teeth are vertically arranged downwards, the horizontal cross section of each cleaning tooth is arc-shaped so as to be attached to the inner wall of a steel casing of the cast-in-place pile, the hole sweeping disc is coaxially provided with a mounting hole in a penetrating manner, a one-way valve is detachably connected in the mounting hole, and the rotating shaft is connected with an output shaft of a motor;

the slag discharging mechanism comprises a positioning cylinder communicated with the bottom of the mounting hole, the positioning cylinder and the mounting hole are coaxially arranged, the bottom of the positioning cylinder is connected with a containing box with a large upper end diameter and a small lower end diameter, the lower end of the positioning cylinder is lower than the lower end of the containing box, the lower end of the positioning cylinder is slightly higher than the lower end of the cleaning teeth, an annular sealing plate is fixedly arranged on the top of the containing box in the circumferential direction, the sealing plate is vertically arranged, the top of the sealing plate is not in contact with the hole sweeping disc and the cleaning teeth to form a slag discharging channel, a sealing assembly is arranged on the hole sweeping disc and comprises an annular sliding groove formed by upward sinking of the bottom of the hole sweeping disc, the sliding groove and the hole sweeping disc are coaxially arranged, an annular sealing block capable of sliding up and down is arranged in the sliding groove, and the bottom of the sealing block upwards sinks to form an annular sealing groove to accommodate, the top of the sealing block is symmetrically provided with two containing grooves along the central axis thereof, positioning balls are rotationally arranged in the containing grooves, the bottom of the sliding groove is symmetrically provided with two threaded holes along the central axis thereof, the tops of the threaded holes are flush with the top surface of the hole sweeping disc, threaded rods are arranged in the threaded holes, and the lower ends of the threaded rods are connected with the positioning balls;

the cleaning mechanism comprises a mud box arranged on the movable support and a second support frame arranged on the top surface of the hole sweeping disc, wherein the mud box is respectively communicated with an output pipe and an input pipe, and the lower ends of the output pipe and the input pipe are detachably connected with the second support frame.

Preferably, the suction fans are all covered with steel wire meshes.

Preferably, the top of the threaded hole is provided with a cover body capable of opening and closing.

Preferably, the suction fan supplies power to the storage battery.

Preferably, the top of the threaded rod is recessed downwards to form a groove with a triangular horizontal section, and the threaded rod further comprises two driving rods with horizontal sections matched with the triangular groove, and the driving rods drive the threaded rod to move up and down through the driving rods.

Preferably, the check valve is communicated with an air duct, and the end part of the air duct is positioned outside the cast-in-place pile steel protecting cylinder.

Preferably, five limiting plates are arranged on the rotating shaft at intervals, and one connecting rope is correspondingly connected between any two adjacent limiting plates.

Preferably, the movable support comprises a support body and a movable wheel arranged at the bottom of the support body, and the height of the support body is adjustable.

The invention at least comprises the following beneficial effects:

firstly, the invention realizes the collection of the sundries on the inner wall of the cast-in-place pile by arranging the slag discharge mechanism, and can effectively reduce the sundries at the bottom of the steel pile casing of the cast-in-place pile, thereby realizing the reduction of the workload of removing the sundries.

Secondly, the length of the connection is adjusted by arranging a rotating shaft, so that the position of the hole sweeping disc is adjusted; cleaning teeth are arranged at the bottom of the hole sweeping disc to realize the cleaning of impurities on the inner wall of the cast-in-place pile steel casing; the storage box is arranged to collect the sundries so as to reduce the sundries from directly falling into the bottom of the steel pile casing of the cast-in-place pile, and the sundries can increase the weight of the storage box after entering the storage box, so that the hole sweeping disc can move downwards along the inner wall of the steel pile casing; the sealing of the collecting box is realized by arranging the sealing block, the sliding groove and the sealing plate, and the influence of slurry on the suction fan is avoided when the slurry is injected into the bottom of the cast-in-place pile steel casing through the mounting hole.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of a cast-in-place pile steel casing hole sweeping device according to one technical scheme of the invention;

FIG. 2 is an enlarged view of A in FIG. 1;

fig. 3 is a schematic structural view of the threaded rod according to one embodiment of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.

As shown in fig. 1 to 3, the present invention provides a cast-in-place pile steel casing hole sweeping apparatus, comprising:

the movable support 2 is erected above the cast-in-place pile steel casing 1;

the hole sweeping mechanism comprises a first support frame 3 arranged on the movable support 2, a rotating shaft 4 rotatably arranged on the first support frame 3 (the rotating shaft 4 is rotatably connected with the first support frame 3), a plurality of connecting ropes 5 arranged on the rotating shaft 4 at intervals (the connecting ropes 5 are extended and retracted through the rotation of the rotating shaft 4), and a circular hole sweeping disc 16 with the top surface connected with the end parts of the connecting ropes 5, a plurality of cleaning teeth 15 are circumferentially arranged at intervals at the bottom of the hole sweeping disc 16, the cleaning teeth 15 are vertically and downwards arranged, the horizontal section of the cleaning teeth 15 is arc-shaped to be attached to the inner wall of the cast-in-place pile steel casing 1 (the edges of the cleaning teeth 15 are of a blade-shaped structure), the hole sweeping disc 16 is coaxially provided with a mounting hole 12 in a penetrating way, a one-way valve 11 is detachably connected in the mounting hole 12, the rotating shaft 4 is connected with an output shaft of a motor so as to drive the rotating shaft 4 to rotate through the motor;

the slag discharging mechanism comprises a positioning cylinder 13 communicated with the bottom of the mounting hole 12, the positioning cylinder 13 and the mounting hole 12 are coaxially arranged, the bottom of the positioning cylinder 13 is connected with a containing box 14 with a large upper end diameter and a small lower end diameter, the lower end of the positioning cylinder 13 is lower than the lower end of the containing box 14 (the bottom of the positioning cylinder 13 is open), the lower end of the positioning cylinder 13 is slightly higher than the lower end of the cleaning teeth 15 (so as to clean the impurities at the bottom of the side wall of the cast-in-place pile steel casing 1), an annular sealing plate 17 is fixedly arranged on the top of the containing box 14 in the circumferential direction, the sealing plate 17 is vertically arranged, the top of the sealing plate 17 is not in contact with the hole sweeping disc 16 and the cleaning teeth 15 to form a slag discharging channel (the impurities cleaned by the cleaning teeth 15 are discharged into the containing box 14 through the slag discharging channel), and a sealing component is arranged on, seal assembly includes sweep the 16 bottom surfaces of hole dish and upwards sunken annular spout 18 that forms, spout 18 with sweep the coaxial setting of hole dish 16, be equipped with gliding annular seal piece 19 from top to bottom in the spout 18 (seal piece 19 with the coaxial setting of spout 18), the bottom surfaces of seal piece 19 upwards sunken annular seal groove 20 that forms is in order to hold sealing plate 17, 19 tops of seal piece are equipped with two holding tanks along its central axis symmetry, the holding tank internal rotation is equipped with the location ball (the diameter of location ball is greater than the width of holding tank notch), the bottom of spout 18 is equipped with two screw holes along its central axis symmetry, the top of screw hole with sweep the top surface of hole dish 16 and flush, threaded hole in be equipped with threaded rod 21 (threaded rod 21 with the screw hole phase-match), the lower extreme of threaded rod 21 with the connection of location ball (the diameter of threaded rod 21 slightly is less than the diameter of holding tank notch is less than Width), wherein a plurality of suction fans are arranged at intervals on the bottom surface of the hole-sweeping disc 16 above the containing box 14, the suction fans all face the slag discharge passage, the sealing block 19 is completely located in the sliding groove 18 when the check valve 11 is connected with the mounting hole 12, and the sealing plate 17 is located in the sealing groove 20 when the check valve 11 is separated from the mounting hole 12;

the cleaning mechanism comprises a mud tank 7 arranged on the movable support 2 and a second support frame 10 arranged on the top surface of the hole sweeping disc 16, wherein the mud tank 7 is respectively communicated with an output pipe 9 and an input pipe 8, and the lower ends of the output pipe 9 and the input pipe 8 are detachably connected with the second support frame 10.

In the technical scheme, a movable support 2 is erected above a cast-in-place pile steel casing 1, the connecting part of the connecting rope 5 and the hole sweeping disc 16 is arranged close to the edge of the hole sweeping disc 16, two containing tanks are symmetrically arranged along the central axis of the sealing block 19, the vertical cross sections of the containing tanks are in a U-arc shape, the cast-in-place pile concrete pile further comprises a slurry pump, the slurry pump is connected with the output pipe 9, a plurality of cleaning ports are arranged on the containing box 14 at intervals, and openable cover plates are arranged at the cleaning ports.

In the using process, the movable support 2 is erected above the cast-in-place pile steel casing 1, the hole sweeping disc 16 is placed in the cast-in-place pile steel casing 1, the cleaning teeth 15 are attached to the side wall of the cast-in-place pile steel casing 1, the rotating shaft 4 drives the hole sweeping disc 16 to move downwards through the connecting rope 5, the check valve 11 is connected with the mounting hole 12 at the moment, after the hole sweeping disc 16 moves downwards to a certain height (which can be determined based on the height of the cast-in-place pile steel casing 1, such as 1/8 of the height of the cast-in-place pile steel casing 1), slurry is injected into the cast-in-place pile steel casing 1 through the input pipe 8 until the slurry is flush with the top of the cast-in-place pile steel casing 1, then the hole sweeping disc 16 continues to move downwards to a certain height (such as cast-in-place pile steel casing 13/8), the hole sweeping disc 16 is moved upwards while the slurry enters the slurry tank 7 through the input pipe 8, and the hole sweeping disc 16 is, and cleaning sundries in the storage box 14 through a cleaning opening, then putting the hole sweeping disc 16 into the cast-in-place pile steel casing 1 again, repeating the above operations until the hole sweeping disc 16 reaches the bottom of the cast-in-place pile steel casing 1, finally moving the hole sweeping disc 16 out of the cast-in-place pile steel casing 1, removing the one-way valve 11, moving the sealing block 19 downwards to the position of the sealing plate 17 in the sealing groove 20, finally putting the hole sweeping disc 16 into the cast-in-place pile steel casing 1 to a certain height (the distance from the hole sweeping disc 16 to the cast-in-place pile steel casing 1 is 1/2 of the height of the cast-in-place pile steel casing 1), injecting slurry into the cast-in-place pile steel casing 1 through the mounting hole 12, thereby cleaning sundries at the bottom of the cast-in-place pile steel casing 1, and moving the movable support 2 after cleaning.

By adopting the technical scheme, the slag discharging mechanism is arranged to collect the impurities on the inner wall of the cast-in-place pile, so that the impurities at the bottom of the cast-in-place pile steel casing 1 can be effectively reduced, and the workload of removing the impurities is reduced; the length of the connection is adjusted by arranging the rotating shaft 4, so that the position of the hole sweeping disc 16 is adjusted; cleaning teeth 15 are arranged at the bottom of the hole sweeping disc 16 to realize the cleaning of impurities on the inner wall of the cast-in-place pile steel casing 1; sundries are collected by arranging the containing box 14, so that the sundries are reduced from directly falling into the bottom of the cast-in-place pile steel casing 1, and the sundries can increase the weight of the containing box 14 after entering the containing box 14, and the hole sweeping disc 16 can move downwards along the inner wall of the steel casing; the collection box is sealed by the sealing block 19, the sliding groove 18 and the sealing plate 17, and the influence of slurry on the suction fan is avoided when the slurry is injected into the bottom of the cast-in-place pile steel casing 1 through the mounting hole 12.

In another technical scheme, a steel wire mesh is covered on the suction fan. By adopting the technical scheme, the suction fan is protected.

In another technical scheme, the top of the threaded hole is provided with a cover body which can be opened and closed. By adopting the technical scheme, the threaded hole is prevented from being blocked by sundries.

In another technical scheme, the suction fan supplies power to the storage battery. By adopting the technical scheme, the power supply of the suction fan is realized.

In another technical scheme, the top of the threaded rod 21 is recessed downwards to form a groove 22 with a triangular horizontal section, the sealing device further comprises two driving rods with horizontal sections and a triangle, the driving rods are matched with the recesses to drive the threaded rod 21 to move up and down through the driving rods, and when the sealing block 19 needs to move up and down, the driving rods are inserted into the groove 22 to rotate so as to adjust the up and down movement of the sealing block 19. By adopting the technical scheme, the sealing block 19 is driven to move up and down.

In another technical scheme, the one-way valve 11 is communicated with an air duct, and the end part of the air duct is positioned outside the cast-in-place pile steel casing 1. By adopting the technical scheme, the gas between the hole sweeping disc 16 and the bottom of the cast-in-place pile steel casing 1 can be conveniently exhausted.

In another technical scheme, five limiting plates 6 are arranged on the rotating shaft 4 at intervals, and one connecting rope 5 is correspondingly connected between any two adjacent limiting plates 6. By adopting the technical scheme, the position of the connecting rope 5 is limited.

In another technical scheme, the movable support 2 comprises a support body and a movable wheel arranged at the bottom of the support body, and the height of the support body is adjustable. Adopt this technical scheme to in according to actual need adjust the height of support body.

The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. The application, modification and variation of the cast-in-place pile steel casing 1 hole sweeping device of the present invention will be apparent to those skilled in the art.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.