CN218911377U

CN218911377U - Telescopic anti-adhesion stirring pile drill bit

Info

Publication number: CN218911377U
Application number: CN202222955554.XU
Authority: CN
Inventors: 李斌; 肖凤霞; 颜敬; 李天羽; 徐开宝; 谢亮明
Original assignee: Wuhan Ideal Gongda Environmental Geotechnical Technology Co ltd
Current assignee: Wuhan Ideal Gongda Environmental Geotechnical Technology Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-04-25
Anticipated expiration: 2032-11-07

Abstract

The utility model discloses a telescopic anti-sticking stirring pile drill bit in the technical field of stirring piles, which comprises a lantern ring, wherein the inside of the lantern ring is hollow, the top of the lantern ring is provided with a hydraulic rod, the output end of the hydraulic rod is arranged towards one end of the lantern ring, the output end of the hydraulic rod is movably connected with a telescopic shaft, the bottom end of the telescopic shaft is movably connected with the lantern ring in a penetrating way, the outer wall of the bottom end of the telescopic shaft is fixedly provided with a drill bit, the bottom of the lantern ring is uniformly provided with a plurality of spray heads, the bottom of the lantern ring, which is positioned at the center of the plurality of spray heads, is provided with a sponge block, and sprays cleaning liquid through the spray heads to finish the cleaning operation of the telescopic shaft and the drill bit. The hydraulic rod is matched with the telescopic shaft to drive the drill bit to stretch out and draw back, so that foundation piles with different depths are conveniently mixed and stirred, cement slurry attached to the telescopic shaft and the drill bit can be automatically cleaned after stirring, the outer wall of the telescopic shaft is wiped along with the retraction of the telescopic shaft, the cement slurry can be effectively prevented from being attached, and the service lives of the drill bit and the telescopic shaft are prolonged.

Description

Telescopic anti-adhesion stirring pile drill bit

Technical Field

The utility model relates to the technical field of mixing piles, in particular to a telescopic anti-adhesion mixing pile drill bit.

Background

Stirring stake as a mechanical equipment utilizes cement as curing agent, forcedly mix weak soil or sand etc. and curing agent through deep stirring machinery at the ground, make soft foundation induration and improve foundation strength, when using stirring stake to mix cement and soft foundation sand, cement or sand's mud can adhere at the outer wall of stirring stake, if not in time clear up then can cause the mud solid that contains the cement composition, thereby increase stirring stake dead weight, change the size of stirring stake simultaneously, cause stirring stake unable to use, and in prior art, most stirring stake is after using, all washs stirring stake through the manual work, washing step is comparatively loaded down with trivial details, and there is certain potential safety hazard, therefore this application provides a telescopic anti-sticking's stirring stake drill bit.

Disclosure of Invention

The utility model aims to provide a telescopic anti-sticking stirring pile drill bit, which solves the problems that in the prior art, after a plurality of stirring piles are used, the stirring piles are cleaned manually, the cleaning steps are complicated, and certain potential safety hazards exist.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a stirring stake drill bit of telescopic anti-sticking, includes the lantern ring, the inside of lantern ring is the cavity setting, the top of lantern ring is provided with the hydraulic stem, the output of hydraulic stem sets up towards the one end of lantern ring, the output swing joint of hydraulic stem has the telescopic shaft, the bottom and the lantern ring of telescopic shaft run through swing joint, the bottom outer wall of telescopic shaft is fixed with the drill bit, the bottom of lantern ring evenly is fixed with a plurality of shower nozzles, the lantern ring is located the bottom at a plurality of shower nozzle centers and is provided with the sponge piece, spouts the washing liquid through the shower nozzle, accomplishes the cleaning operation to telescopic shaft and drill bit, and the accessible sponge piece cleans the outer wall of telescopic shaft when the telescopic shaft shrink simultaneously, improves the cleaning performance, can effectively prevent that the mud that contains the cement composition from adhering to the outer wall at the telescopic shaft.

As a further scheme of the utility model: the top and the bottom outer wall of hydraulic stem all are fixed with flange, the bottom of hydraulic stem passes through flange and can dismantle with the top of lantern ring and be connected, is connected spacingly through flange to hydraulic stem and lantern ring, can be simultaneously with hydraulic stem and the output shaft of rig be connected spacingly.

As still further aspects of the utility model: the inside of lantern ring evenly is fixed with a plurality of no-resistance bearings, the outer wall of telescopic shaft runs through swing joint with the inner wall of no-resistance bearing, connects spacingly through no-resistance bearing to the telescopic shaft, does not influence its rotation effect simultaneously.

As still further aspects of the utility model: the inner walls of the plurality of unimpeded bearings are uniformly provided with a plurality of limit grooves, the outer walls of the telescopic shafts, which are matched with the positions of the plurality of limit grooves, are respectively fixed with a limit bar, and the plurality of limit bars are respectively connected with the limit grooves matched with the positions in a clamping manner, and are matched with the limit grooves to limit the telescopic shafts in a connecting manner.

As still further aspects of the utility model: the top of the lantern ring is fixed with a water inlet pipe, one end of the water inlet pipe penetrating through the lantern ring is fixedly connected with the input end of the spray head, and cleaning liquid is conveyed into the spray head through the water inlet pipe.

As still further aspects of the utility model: the sponge piece is cavity annular structure setting, the top of sponge piece is fixed with the fixed block, the fixed block passes through the bottom of bolt and lantern ring and can dismantle the connection, connects spacingly through the fixed block to the sponge piece, conveniently changes the sponge piece simultaneously.

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

1. according to the utility model, the hydraulic rod is matched with the telescopic shaft to drive the drill bit to stretch, so that mixing and stirring operations are conveniently carried out on foundation piles with different depths, cement slurry adhered to the telescopic shaft and the drill bit can be automatically cleaned after the stirring operations, and the outer wall of the telescopic shaft is wiped along with the retraction of the telescopic shaft, so that the adhesion of the cement slurry can be effectively prevented, and the service lives of the drill bit and the telescopic shaft are prolonged.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic view of the telescopic shaft of the present utility model;

fig. 3 is a schematic view of a bottom exploded structure of the collar of the present utility model.

In the figure: 1. a collar; 101. an unobstructed bearing; 110. a hydraulic rod; 111. a connecting flange; 120. a water inlet pipe; 121. a spray head; 130. a telescopic shaft; 131. a drill bit; 132. a limit bar; 140. a fixed block; 141. sponge block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, in an embodiment of the utility model, a telescopic anti-adhesion stirring pile drill bit includes a collar 1, wherein the interior of the collar 1 is hollow, a hydraulic rod 110 is arranged at the top of the collar 1, an output end of the hydraulic rod 110 is arranged towards one end of the collar 1, an output end of the hydraulic rod 110 is movably connected with a telescopic shaft 130, a bottom end of the telescopic shaft 130 is movably connected with the collar 1 in a penetrating manner, a drill bit 131 is fixed on an outer wall of the bottom end of the telescopic shaft 130, a plurality of spray heads 121 are uniformly fixed at the bottom of the collar 1, a sponge block 141 is arranged at the bottom of the center of the plurality of spray heads 121, cleaning liquid is sprayed out through the spray heads 121, so that the cleaning operation on the telescopic shaft 130 and the drill bit 131 is completed, meanwhile, when the telescopic shaft 130 is contracted, the outer wall of the telescopic shaft 130 can be wiped through the sponge block 141, the cleaning effect is improved, and mud containing cement components can be effectively prevented from adhering to the outer wall of the telescopic shaft 130.

Wherein, the top and bottom outer wall of hydraulic stem 110 all are fixed with flange 111, and flange 111 is passed through to the bottom of hydraulic stem 110 can be dismantled with the top of lantern ring 1 and be connected, and it is spacing to be connected hydraulic stem 110 and lantern ring 1 through flange 111, can be simultaneously with the hydraulic stem 110 with the output shaft of rig spacing of being connected.

A plurality of unimpeded bearings 101 are uniformly fixed in the lantern ring 1, the outer wall of the telescopic shaft 130 is movably connected with the inner wall of the unimpeded bearings 101 in a penetrating manner, the unimpeded bearings 101 are used for limiting the telescopic shaft 130 in a connecting manner, and meanwhile the rotating effect of the telescopic shaft is not influenced.

The inner walls of the plurality of unimpeded bearings 101 are uniformly provided with a plurality of limit grooves, the outer walls of the telescopic shaft 130 matched with the positions of the plurality of limit grooves are respectively fixed with a limit bar 132, the plurality of limit bars 132 are respectively connected with the limit grooves matched with the positions in a clamping manner, and the telescopic shaft 130 is connected and limited by the limit bars 132 matched with the limit grooves.

A water inlet pipe 120 is fixed at the top of the lantern ring 1, one end of the water inlet pipe 120 penetrating through the lantern ring 1 is fixedly connected with the input end of the spray head 121, and cleaning liquid is conveyed into the spray head 121 through the water inlet pipe 120.

The sponge block 141 is the setting of cavity annular structure, and the top of sponge block 141 is fixed with fixed block 140, and fixed block 140 can be dismantled with the bottom of lantern ring 1 through the bolt and be connected spacing, conveniently changes sponge block 141 simultaneously to sponge block 141 through fixed block 140.

The working principle of the utility model is as follows: the hydraulic rod 110 is connected with the output end of the drilling machine through the connecting flange 111 to the sponge block 141 is fixed at the bottom of the lantern ring 1 through the fixed block 140, and when stirring operation is carried out, the telescopic shaft 130 is driven to move downwards through the start of the hydraulic rod 110, the drilling machine is matched to drive the device to rotate, and stirring operation is completed through the rotation of the drill bit 131.

After the stirring operation is completed, the water inlet pipe 120 is connected with the cleaning liquid conveying equipment, the cleaning liquid is conveyed to the spray head 121 through the water inlet pipe 120, the cleaning liquid is sprayed to the telescopic shaft 130 through the spray head 121, the telescopic shaft 130 and the drill bit 131 are washed, meanwhile, the outer wall of the telescopic shaft 130 is wiped through the sponge block 141 along with the retraction of the telescopic shaft 130, and the slurry adhesion is prevented.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a telescopic stirring stake drill bit that prevents bonding, includes lantern ring (1), its characterized in that: the inside of lantern ring (1) is the cavity setting, the top of lantern ring (1) is provided with hydraulic stem (110), the output of hydraulic stem (110) sets up towards the one end of lantern ring (1), the output swing joint of hydraulic stem (110) has telescopic shaft (130), the bottom and the lantern ring (1) through swing joint of telescopic shaft (130), the bottom outer wall of telescopic shaft (130) is fixed with drill bit (131), the bottom of lantern ring (1) evenly is fixed with a plurality of shower nozzles (121), the bottom that lantern ring (1) are located a plurality of shower nozzle (121) center is provided with sponge piece (141).

2. The telescopic anti-sticking stirring pile drill bit as claimed in claim 1, wherein: the top and bottom outer walls of the hydraulic rod (110) are both fixedly provided with connecting flanges (111), and the bottom of the hydraulic rod (110) is detachably connected with the top of the lantern ring (1) through the connecting flanges (111).

3. The telescopic anti-sticking stirring pile drill bit as claimed in claim 1, wherein: a plurality of unimpeded bearings (101) are uniformly fixed in the lantern ring (1), and the outer wall of the telescopic shaft (130) is movably connected with the inner wall of the unimpeded bearings (101) in a penetrating mode.

4. A telescopic anti-sticking stirring pile drill bit according to claim 3, characterized in that: the inner walls of the non-resistance bearings (101) are uniformly provided with a plurality of limit grooves, the outer walls of the telescopic shafts (130) matched with the positions of the limit grooves are respectively fixed with a limit strip (132), and the limit strips (132) are respectively connected with the limit grooves matched with the positions in a clamping mode.

5. The telescopic anti-sticking stirring pile drill bit as claimed in claim 1, wherein: the top of the lantern ring (1) is fixedly provided with a water inlet pipe (120), and one end of the water inlet pipe (120) penetrating through the lantern ring (1) is fixedly connected with the input end of the spray head (121).

6. The telescopic anti-sticking stirring pile drill bit as claimed in claim 1, wherein: the sponge block (141) is of a hollow annular structure, a fixed block (140) is fixed at the top of the sponge block (141), and the fixed block (140) is detachably connected with the bottom of the lantern ring (1) through bolts.