CN214832827U

CN214832827U - Dewatering well pipe lowering tool

Info

Publication number: CN214832827U
Application number: CN202121457237.4U
Authority: CN
Inventors: 项菲; 董立春; 李岩
Original assignee: China 22MCC Group Corp Ltd
Current assignee: China 22MCC Group Corp Ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-11-23
Anticipated expiration: 2031-06-29

Abstract

The utility model relates to the construction field of building, municipal administration and the like, in particular to a dewatering well pipe lowering tool, which comprises a support and a lifting appliance, wherein the support is connected with the lifting appliance through an electric hoist, the lifting appliance comprises a fixed plate, a telescopic support and a lifting handle, the fixed plate is connected with the lifting handle through a support rod, the lower end of the support rod is provided with a spring buckle, the outside of the support rod is sleeved with a sleeve, and the lower end of the sleeve is provided with a clamping groove matched with the spring buckle; a plurality of telescopic supports are evenly arranged on the outer side of the sleeve in the circumferential direction, each telescopic support comprises a first rod piece and a second rod piece, one end of the first rod piece is connected with the sleeve, the other end of the first rod piece is hinged to the top of the second rod piece, and the bottom of the second rod piece is movably connected with the fixing plate. The utility model discloses simple structure, portable can be applicable to the perpendicular transportation of the precipitation well casing of multiple size, is guaranteeing that the well casing descends under the prerequisite of straightness that hangs down, improves the installation effectiveness of well casing.

Description

Dewatering well pipe lowering tool

Technical Field

The utility model belongs to the technical field of construction such as building, municipal administration and specifically relates to a instrument is transferred to precipitation well casing.

Background

In construction such as building and municipal administration, if the foundation is in an area with shallow underground water level and abundant water, in order to provide a dry and safe construction environment for a foundation pit, a pipe well dewatering method is needed to carry out foundation pit engineering dewatering, and the underground water level of an aquifer which can cause confined water of a foundation pit bottom plate to gush suddenly is reduced by excavating a first-level coating. Because the dewatering well is deep in depth, a plurality of sections of well pipes are usually required to be lowered, the well pipes are generally hoisted by using a truck crane after drilling and cleaning, but because the hoisting arm needs to move for many times in the hoisting process, the verticality of the well pipes is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a simple structure, convenient to use improves precipitation well casing transfer instrument of the installation accuracy of precipitation well.

The utility model adopts the following technical scheme:

a dewatering well pipe lowering tool comprises a support and a lifting appliance, wherein the support is connected with the lifting appliance through an electric hoist, the lifting appliance comprises a fixed plate, a telescopic support and a lifting handle, the fixed plate is connected with the lifting handle through a support rod, a spring buckle is arranged at the lower end of the support rod, a sleeve is sleeved outside the support rod, and a clamping groove matched with the spring buckle is arranged at the lower end of the sleeve; a plurality of telescopic supports are evenly arranged on the outer side of the sleeve in the circumferential direction, each telescopic support comprises a first rod piece and a second rod piece, one end of the first rod piece is connected with the sleeve, the other end of the first rod piece is hinged to the top of the second rod piece, and the bottom of the second rod piece is movably connected with the fixing plate.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses simple structure, portable is applicable to the perpendicular transportation of precipitation well casing of multiple size, guarantees that the multisection well casing transfers to the wellhole at same position, guarantees the straightness that hangs down of well casing, improves the installation accuracy of well casing, leads to and has practiced thrift mechanical cost, has saved the straightness's of adjustment time that hangs down of well casing, has also reduced personnel's input, has improved work efficiency greatly.

Further, the utility model discloses a preferred scheme is:

the upper part of the sleeve is fixedly provided with an annular hoop, the first rod piece is arranged along the radial direction of the hoop, and one end of the first rod piece is fixedly connected with the hoop.

The bottom of the second rod piece is of a ball head structure, a bearing is arranged on the fixing plate corresponding to the ball head structure, and the ball head structure is arranged in the bearing.

The hoisting handle comprises an annular frame and connecting rods, the annular frame is sleeved on the top end of the supporting rod, the center of the supporting rod is overlapped with the center of the annular frame, and the supporting rod is connected with the annular frame through the connecting rods.

Drawings

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

FIG. 2 is a schematic structural view of the stay bar;

FIG. 3 is a schematic structural view of a telescopic bracket;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic view of the ball head structure mounted in a bearing;

FIG. 6 is a diagram illustrating the usage of the present invention;

in the figure: hoisting a handle 1: an annular frame 101; a connecting rod 102; a stay bar 2; a sleeve 3; a ferrule 4; a telescopic bracket 5; a first rod member 501; a second rod member 502; a fixed plate 6; a spring buckle 7; a card slot 8; a rotating shaft 9; a cross member 10; a column 11; an electric hoist 12; a wire rope 13; a well pipe 14; a ball head structure 15; a bearing 16; and a threaded joint 17.

Detailed Description

The invention is further described with reference to the following figures and specific embodiments.

A well casing lowering tool for a dewatering well mainly comprises a support and a lifting appliance, wherein the support mainly comprises a cross beam 10 and two upright posts 11, the tops of the two upright posts 11 are fixedly connected through the cross beam 10, and an electric hoist 12 is installed on the cross beam 10.

The lifting appliance mainly comprises a fixed plate 6, a telescopic bracket 5 and a lifting handle 1. Fixed plate 6 is circular steel sheet, is connected through vaulting pole 2 between fixed plate 6 and the hoist and mount handle 1, and the bottom and the fixed plate 6 welding of vaulting pole 2, the top and the hoist and mount handle 1 fixed connection of vaulting pole 2. Hoist and mount handle 1 comprises annular frame 101 and connecting rod 102, and annular frame 101 suit has many connecting rods 102 on the top of vaulting pole 2 between annular frame 101 and the vaulting pole 2 evenly welded, is provided with four connecting rods 102 in this embodiment, and during the installation, guarantees the central axis of fixed plate 6, the central axis of annular frame 101 and the central coincidence of vaulting pole 2.

The lower extreme of vaulting pole 2 is provided with a spring buckle 7, and the outside cover of vaulting pole 2 is equipped with a sleeve 3, and the lower extreme of sleeve 3 is provided with draw-in groove 8 with spring buckle 7 matched with.

The upper end of the sleeve 3 is sleeved with an annular hoop 4, and the hoop 4 is welded and fixed with the outer wall of the sleeve 2. A plurality of telescopic supports 5 are uniformly arranged between the hoop 4 and the fixing plate 6 in the circumferential direction, and in the embodiment, four telescopic supports 5 are arranged.

The telescopic support 5 mainly comprises a first rod piece 501 and a second rod piece 502, the first rod piece 501 is arranged along the radius direction of the hoop 4, the end head of one end of the first rod piece 501 is welded with the hoop 4 to form a whole, the other end of the first rod piece 501 and the top end of the second rod piece 502 are respectively and correspondingly provided with a shaft hole, the first rod piece 501 and the second rod piece 502 are hinged through a rotating shaft 9 in the shaft hole, the bottom end of the second rod piece 502 is provided with a ball head structure 15, a bearing 16 is fixedly arranged at a position, corresponding to each ball head structure 15, of the fixing 6, the ball head structure 15 is arranged in the bearing 16, and the second rod piece 502 can rotate in the bearing 16 through the ball head structure 15. In this embodiment, the ball head structure 15 and the bearing 16 are integrally formed by a single-rod ball head-rod end joint bearing, the bottom end of the second rod 502 is welded with a threaded joint, and the single-rod ball head-rod end joint bearing is in threaded connection with the bottom end of the second rod 502.

In the application of the embodiment, the device is placed in the well pipe 14, the sleeve 3 on the support rod 2 is pushed downwards, the second rod member 502 is inclined outwards until the spring fastener 7 is ejected out of the clamping groove hole 8, the telescopic bracket 5 is completely expanded, and the first rod member 501 is supported on the inner wall of the well pipe 14 and supports the well pipe 14. Then it is firm with the ligature of hoist and mount handle 1 of wire rope 13 one end, open the switch of electric hoist 12, wire rope 13 slowly withdraws, slowly hoist this device and well casing 14 wholly, slowly send into under the wellhole, transfer to the assigned position to well casing 14 down, then utilize supplementary steel pipe or other stock to stretch into the inside spring buckle 7 of stirring of well casing 14, deviate from spring buckle 7 from draw-in groove 8, telescopic bracket 5 withdraws, then withdraw this device wholly from the well casing 14 through electric hoist 12. And then repeating the steps, and hoisting the rest of the well pipes 14 until all the well pipes 14 are completely lowered.

The utility model discloses simple structure, portable is applicable to the perpendicular transportation of precipitation well casing 14 of various sizes, because electric hoist 12 positions are fixed on the support, and multisection well casing 14 is transferred along the wellhole in same position, has guaranteed well casing 14's the straightness that hangs down, compares with the method of traditional truck crane hanging pipe, has practiced thrift mechanical cost, has saved the adjusting time of well casing straightness that hangs down, has reduced personnel's input, has also improved work efficiency greatly.

The above is only the concrete embodiments of the present invention, but the protection of the present invention is not limited to this, and all the equivalent changes or replacements proposed to the technical features of the present technical solution, which can be considered by those skilled in the art, are included in the protection scope of the present invention.

Claims

1. The utility model provides a instrument is transferred to precipitation well casing, includes support and hoist, and the support passes through the electric hoist to be connected its characterized in that with the hoist: the lifting appliance comprises a fixed plate, a telescopic support and a lifting handle, wherein the fixed plate is connected with the lifting handle through a support rod, the lower end of the support rod is provided with a spring buckle, a sleeve is sleeved outside the support rod, and the lower end of the sleeve is provided with a clamping groove matched with the spring buckle; a plurality of telescopic supports are evenly arranged on the outer side of the sleeve in the circumferential direction, each telescopic support comprises a first rod piece and a second rod piece, one end of the first rod piece is connected with the sleeve, the other end of the first rod piece is hinged to the top of the second rod piece, and the bottom of the second rod piece is movably connected with the fixing plate.

2. The dewatering well casing lowering tool according to claim 1, wherein: the upper part of the sleeve is fixedly provided with an annular hoop, the first rod piece is arranged along the radial direction of the hoop, and one end of the first rod piece is fixedly connected with the hoop.

3. The dewatering well casing lowering tool according to claim 2, wherein: the bottom of the second rod piece is of a ball head structure, a bearing is arranged on the fixing plate corresponding to the ball head structure, and the ball head structure is arranged in the bearing.

4. The dewatering well casing lowering tool according to claim 1, wherein: the hoisting handle comprises an annular frame and connecting rods, the annular frame is sleeved on the top end of the supporting rod, the center of the supporting rod is overlapped with the center of the annular frame, and the supporting rod is connected with the annular frame through the connecting rods.