CN210482306U

CN210482306U - Centering device under quicksand foundation pit

Info

Publication number: CN210482306U
Application number: CN201921332567.3U
Authority: CN
Inventors: 朱其山
Original assignee: Anhui Tongji Hydropower Construction And Installation Co Ltd
Current assignee: Anhui Tongji Hydropower Construction And Installation Co Ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-05-08
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses a righting device under quicksand foundation ditch, two supporting disks including the symmetry setting, the ring channel has been seted up to the base face of two supporting disks, the inner wall sliding connection of ring channel has the annular slab, two rolling discs of the equal fixedly connected with in top of annular slab, four second fixed plates of the equal fixedly connected with respectively of base face of two rolling discs, two third fixed plates, two fourth fixed plates, four L type guide rails and two first motors, the lateral wall of third fixed plate rotates and is connected with first pneumatic cylinder, the lateral wall swing joint that the one end of third fixed plate was kept away from to first pneumatic cylinder has the pull rod, the lateral wall swing joint that the one end of first pneumatic cylinder was kept away from to the pull rod has clamping device, the equal sliding connection of outer wall of four L type guide rails has two movable blocks, the utility model relates to. The utility model discloses, the quicksand of having solved current quicksand foundation ditch is too soft for the problem of the easy slope of stake of foundation ditch.

Description

Centering device under quicksand foundation pit

Technical Field

The utility model relates to a water conservancy construction technical field especially relates to righting device under drift sand foundation ditch.

Background

Quicksand is a phenomenon of soil body, and usually occurs easily in fine-grained, uniform-grained, loose and saturated non-sticky soil. The formation of quicksand is diverse, but it has a great influence on the safety and normal use of buildings.

In the prior art, quicksand of the quicksand foundation pit is too soft, so that a pile of the foundation pit is easy to incline, the inclined pile is not righted in time, and the construction is direct, so that the engineering quality is influenced, and the potential safety hazard exists in the engineering.

SUMMERY OF THE UTILITY MODEL

The drift sand in order to solve current drift sand foundation ditch is too soft for the problem of the easy slope of stake of foundation ditch, the utility model aims at providing a righting device under the drift sand foundation ditch.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the bottom centering device for the quicksand foundation pit comprises two supporting disks which are symmetrically arranged, base planes of the two supporting disks are provided with annular grooves, the inner wall of each annular groove is connected with an annular plate in a sliding manner, the top of each annular plate is fixedly connected with two rotating disks, the base planes of the two rotating disks are respectively and fixedly connected with four second fixing plates, two third fixing plates, two fourth fixing plates, four L-shaped guide rails and two first motors in a symmetrical manner, the side wall of each third fixing plate is rotatably connected with a first hydraulic cylinder, the side wall of one end, far away from the third fixing plates, of each first hydraulic cylinder is movably connected with a pull rod, the side wall of one end, far away from the first hydraulic cylinder, of each pull rod is movably connected with a clamping device, and the outer walls of the four L-;

the clamping device comprises two U-shaped blocks rotatably connected with the pull rod, two outer rings are fixedly connected between the two U-shaped blocks, two sliding grooves are formed in the inner walls of the two outer rings, two inner rings are slidably connected to the inner walls of the two sliding grooves, arc-shaped grooves are formed in the outer walls of the two inner rings, and balls are arranged on the inner walls of the arc-shaped grooves.

Preferably, the base planes of the two support plates are symmetrically and fixedly connected with four first fixing plates, the side walls of the four first fixing plates are provided with first screws, and the side walls of the four second fixing plates are provided with second screws.

Preferably, the bottom of the moving block is fixedly connected with a fifth fixing plate, a lead screw is connected to the side wall of the fifth fixing plate in a threaded penetrating manner, the lead screw is rotatably connected with the third fixing plate and the fourth fixing plate respectively, and the lead screw penetrates through one end of the third fixing plate and is in transmission connection with the first motor.

Preferably, the bottom of the supporting disk is fixedly provided with a second motor, a rotating shaft of the second motor vertically penetrates through the supporting disk upwards, and is connected with a gear in a shaft mode, and the gear is meshed with the outer wall of the rotating disk.

Preferably, the top of the moving block is fixedly connected with a second hydraulic cylinder in an upward inclined manner, and a roller is arranged at the end of a telescopic shaft of the second hydraulic cylinder.

Preferably, the outer walls of the two outer rings are symmetrically and fixedly connected with four sixth fixing plates, and third screws are mounted on the side walls of the four sixth fixing plates.

Compared with the prior art, the utility model discloses the beneficial effect who realizes: fixing a support disc on a built platform or a support, enabling a pile column of a foundation pit to pass through a clamping device and be fastened by rotating a third screw, driving a moving block to slide on an L-shaped guide rail through a lead screw by a first motor, enabling a roller to abut against the pile column, driving the roller to move obliquely and upwards through a telescopic shaft by a second hydraulic cylinder, enabling the roller to slide on the side wall of the pile column and push the pile column to be righted, pulling a pull rod to move downwards by the first hydraulic cylinder after the pile column is righted, and tensioning the pile column in the clamping device downwards to enable the pile column to be fixed in the foundation pit deeply; before righting, observe the incline direction of stake, the second motor passes through gear drive rolling disc and rotates, circles including the outer lane simultaneously and rotates for the gyro wheel is in the incline direction of stake, so that the gyro wheel contradicts the stake and rights.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is a schematic structural view of a part of the present invention;

fig. 3 is a schematic structural view of a part of the present invention;

fig. 4 is a schematic structural view of a part of the present invention;

fig. 5 is a schematic structural diagram of a part of the present invention.

In the figure: 1-supporting disk, 2-first fixing plate, 3-first screw, 4-annular groove, 5-annular plate, 6-rotating disk, 7-second fixing plate, 8-third fixing plate, 9-fourth fixing plate, 10-L-shaped guide rail, 11-first motor, 12-second screw, 13-first hydraulic cylinder, 14-pull rod, 15-clamping device, 16-moving block, 17-fifth fixing plate, 18-lead screw, 19-second motor, 20-gear, 21-second hydraulic cylinder, 22-roller, 23-U-shaped block, 24-outer ring, 25-sliding groove, 26-inner ring, 27-arc groove, 28-ball, 29-sixth fixing plate and 30-third screw.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 5. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

The utility model provides a technical scheme: the drift sand foundation pit lower righting device comprises two supporting discs 1 which are symmetrically arranged, the base surfaces of the two supporting discs 1 are provided with annular grooves 4, the inner wall of the annular groove 4 is connected with an annular plate 5 in a sliding way, the top of the annular plate 5 is fixedly connected with two rotating discs 6, the base surfaces of the two rotating discs 6 are respectively and fixedly connected with four second fixing plates 7, two third fixing plates 8, two fourth fixing plates 9, four L-shaped guide rails 10 and two first motors 11 in a symmetrical way, the side wall of the third fixing plate 8 is rotatably connected with a first hydraulic cylinder 13, the side wall of one end of the first hydraulic cylinder 13 far away from the third fixing plate 8 is movably connected with a pull rod 14, the side wall of one end, far away from the first hydraulic cylinder 13, of the pull rod 14 is movably connected with a clamping device 15, and the outer walls of the four L-shaped guide rails 10 are connected with two moving blocks 16 in a sliding manner;

the clamping device 15 comprises two U-shaped blocks 23 rotatably connected with the pull rod 14, two outer rings 24 are fixedly connected between the two U-shaped blocks 23, two sliding grooves 25 are formed in the inner walls of the two outer rings 24, two inner rings 26 are slidably connected to the inner walls of the two sliding grooves 25, arc-shaped grooves 27 are formed in the outer walls of the two inner rings 26, and balls 28 are arranged on the inner walls of the arc-shaped grooves 27.

Two equal symmetry fixedly connected with four first fixed plate 2 of base face of supporting disk 1, four first screw 3 is all installed to the lateral wall of first fixed plate 2, four second screw 12 is all installed to the lateral wall of second fixed plate 7.

The bottom of the moving block 16 is fixedly connected with a fifth fixing plate 17, a lead screw 18 is threaded on the side wall of the fifth fixing plate 17 in a penetrating manner, the lead screw 18 is respectively rotatably connected with a third fixing plate 8 and a fourth fixing plate 9, and the lead screw 18 penetrates through one end of the third fixing plate 8 and is in transmission connection with the first motor 11.

The bottom of supporting disk 1 is fixed and is provided with second motor 19, the pivot of second motor 19 is vertical upwards to pass supporting disk 1, and the hub connection has gear 20, gear 20 and the outer wall intermeshing of rolling disc 6.

The top of the moving block 16 is fixedly connected with a second hydraulic cylinder 21 in an upward inclined manner, and the end of the telescopic shaft of the second hydraulic cylinder 21 is provided with a roller 22.

The outer walls of the two outer rings 24 are symmetrically and fixedly connected with four sixth fixing plates 29, and third screws 30 are mounted on the side walls of the four sixth fixing plates 29.

When the device is used, the supporting disc 1 is fixed on a built platform or a support, a pile of a foundation pit penetrates through the clamping device 15 and is fastened by rotating the third screw 30, the first motor 11 drives the moving block 16 to slide on the L-shaped guide rail 10 through the lead screw 18, so that the roller 22 is abutted against the pile, the second hydraulic cylinder 21 drives the roller 22 to move upwards in an inclined mode through the telescopic shaft, the roller 22 slides on the side wall of the pile and pushes the pile to be righted, after the pile is righted, the first hydraulic cylinder 13 pulls the pull rod 14 to move downwards, the pile in the clamping device 15 is tensioned downwards, and the pile is deeply fixed in the foundation pit; before righting, observing the inclination direction of the pile, the second motor 19 drives the rotating disc 6 to rotate through the gear 20, and simultaneously the outer ring 24 rotates on the inner ring 26, so that the roller 22 is in the inclination direction of the pile, and the roller 22 abuts against the pile to be righted.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. Righting device under drift sand foundation ditch, including two supporting disks (1) that the symmetry set up, its characterized in that: the base surfaces of the two supporting disks (1) are provided with annular grooves (4), the inner walls of the annular grooves (4) are connected with annular plates (5) in a sliding way, the top of the annular plate (5) is fixedly connected with two rotating discs (6), the base surfaces of the two rotating discs (6) are respectively and symmetrically and fixedly connected with four second fixing plates (7), two third fixing plates (8), two fourth fixing plates (9), four L-shaped guide rails (10) and two first motors (11), the side wall of the third fixing plate (8) is rotationally connected with a first hydraulic cylinder (13), the side wall of one end of the first hydraulic cylinder (13) far away from the third fixed plate (8) is movably connected with a pull rod (14), the side wall of one end, far away from the first hydraulic cylinder (13), of the pull rod (14) is movably connected with a clamping device (15), and the outer walls of the four L-shaped guide rails (10) are connected with two moving blocks (16) in a sliding mode;

the clamping device (15) comprises two U-shaped blocks (23) rotatably connected with the pull rod (14), two outer rings (24) are fixedly connected between the two U-shaped blocks (23), two sliding grooves (25) are formed in the inner walls of the two outer rings (24), two inner rings (26) are slidably connected to the inner walls of the two sliding grooves (25), arc-shaped grooves (27) are formed in the outer walls of the two inner rings (26), and balls (28) are arranged on the inner walls of the arc-shaped grooves (27).

2. The drift sand foundation pit lower righting device of claim 1, characterized in that: two equal symmetry fixedly connected with four first fixed plate (2) of base face of supporting disk (1), four first screw (3) are all installed to the lateral wall of first fixed plate (2), four second screw (12) are all installed to the lateral wall of second fixed plate (7).

3. The drift sand foundation pit lower righting device of claim 1, characterized in that: the bottom of the moving block (16) is fixedly connected with a fifth fixing plate (17), a lead screw (18) is connected to the side wall of the fifth fixing plate (17) in a threaded penetrating mode, the lead screw (18) is respectively connected with the third fixing plate (8) and the fourth fixing plate (9) in a rotating mode, and the lead screw (18) penetrates through one end of the third fixing plate (8) and is in transmission connection with the first motor (11).

4. The drift sand foundation pit lower righting device of claim 1, characterized in that: the bottom of supporting disk (1) is fixed and is provided with second motor (19), the pivot of second motor (19) is vertical upwards to pass supporting disk (1), and the hub connection has gear (20), gear (20) and the outer wall intermeshing of rolling disc (6).

5. The drift sand foundation pit lower righting device of claim 1, characterized in that: the top of the moving block (16) is obliquely and upwards fixedly connected with a second hydraulic cylinder (21), and the end part of a telescopic shaft of the second hydraulic cylinder (21) is provided with a roller (22).

6. The drift sand foundation pit lower righting device of claim 1, characterized in that: the outer walls of the two outer rings (24) are symmetrically and fixedly connected with four sixth fixing plates (29), and third screws (30) are mounted on the side walls of the four sixth fixing plates (29).