CN212689924U

CN212689924U - Soil layer reamer capable of preventing drill jamming

Info

Publication number: CN212689924U
Application number: CN202020915219.5U
Authority: CN
Inventors: 佟功喜; 孟楠楠; 靳宗福; 刘兆营; 陈波
Original assignee: Tianjin Bowei Zhongtian Drilling Tools Co ltd
Current assignee: Tianjin Bowei Zhongtian Drilling Tools Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-03-12
Anticipated expiration: 2030-05-27

Abstract

The utility model discloses a soil layer enlarger that anti-sticking bored relates to non-excavation soil layer drilling tool technical field, and the outer wall to current soil layer enlarger is not an integral, and consequently the intensity of structure is high inadequately, needs the back-and-forth movement drill bit when the reaming is interrupted simultaneously to lead to the wearing and tearing of welding seam, the following scheme is put forward now to the life of reducing mechanism, including the dabber, the outside fixed mounting of dabber has a toper section of thick bamboo, the one end outer lane welding of toper section of thick bamboo has a plurality of alloy teeth, the fixed welding of other end outer lane of toper section of thick bamboo has square pipe, the nozzle has been seted up on the square pipe, the welding of one side of square pipe has the brill. The utility model discloses simple structure is novel, conveniently carries out the reaming to the soil layer, reduces earth to the damage of a toper section of thick bamboo, and extension fixture's life improves reaming work efficiency, is fit for carrying out marketing.

Description

Soil layer reamer capable of preventing drill jamming

Technical Field

The utility model relates to a non-excavation soil layer drilling tool technical field especially relates to a soil layer enlarger of anti-sticking brill.

Background

The soil layer reamer is applied to the technical field of trenchless soil layer drilling tools, the trenchless technology refers to a technology and a method for detecting, checking, repairing and laying various underground public facilities under the condition of not excavating the earth surface, the trenchless guiding drilling laying pipeline is a pipe laying technology developed by introducing modern guiding technology on the basis of the traditional pipe-jacking method and the pipe laying method which can not perform directional horizontal drilling, and the construction sequence is as follows generally: the method comprises the steps of firstly drilling a first-stage hole along the design track of a to-be-laid pipeline by using a pipe laying machine arranged on the ground, then installing a reamer at the unearthed end by using a passed drill rod to perform back expansion so as to enlarge the diameter suitable for laying a production pipeline, and then pulling the to-be-laid pipeline into the hole, so that pipeline construction is realized on the premise of not damaging the landform. The effective hole of current soil layer enlarger expands, but the outer wall of current soil layer enlarger is not an integral, therefore the intensity of structure is not high enough, need back-and-forth movement drill bit when the reaming is interrupted simultaneously to lead to the wearing and tearing of welding seam, reduce the life of device, we provide a soil layer enlarger of anti-sticking brill for this.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of soil layer enlarger of anti-sticking brill, the outer wall of having solved current soil layer enlarger is not an integral, therefore the intensity of structure is high inadequately, needs back-and-forth movement drill bit when the reaming is interrupted simultaneously to lead to the wearing and tearing of welding seam, the life of reducing mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a soil layer enlarger of anti-sticking brill, includes the dabber, the outside fixed mounting of dabber has a toper section of thick bamboo, the welding of the one end outer lane of a toper section of thick bamboo has a plurality of alloy teeth, the fixed welding in other end outer lane of a toper section of thick bamboo has square pipe, the nozzle has been seted up on the square pipe, the welding of one side of square pipe has the brill sword, the runner groove has been seted up to the outer wall of a toper section of thick bamboo, the spray tube is installed to the inner wall in runner groove, the water course has been seted.

Preferably, the vertical sections at the two ends of the conical cylinder are of isosceles triangle structures, the conical cylinder is connected in an integrated mode, the alloy teeth are welded to the outer wall of one end of the conical cylinder, the alloy teeth are four groups, and each group is provided with four alloy teeth.

Preferably, the outer ring of the drill rod is provided with a previous-stage drill hole, a hole wall is arranged inside the previous-stage drill hole, a hole is formed inside the hole wall, and the outer ring of the drill rod is in contact with the inner wall of the hole.

Preferably, the dabber is cylindrical structure, and the inner wall at the dabber is seted up in the water course, the one end fixedly connected with box of water course, and the other end and the drilling rod fixed connection of box.

Preferably, a streamline-shaped curved plate is welded on the outer wall of the runner groove, the curved plate is communicated with the spray pipe on one side of the opposite direction of the rotation direction of the mandrel, and the square pipe is communicated with the nozzle.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an installation dabber, a conical cylinder, alloy tooth, square pipe, nozzle, drill cutter, runner duct, spray tube, water course, pore wall, hole and drilling rod isotructure, wherein through seting up the runner duct on a conical cylinder and being used for clearing up the mud dirt that produces when drilling, avoid earth to glue on the bent plate through setting up the spray tube, through the reduction that is equipped with the alloy tooth because the wearing and tearing of back-and-forth movement drill bit that need cause when the reaming is interrupted; the life of the device is prolonged, the device simple structure is novel, conveniently carries out reaming to the soil layer, reduces earth to the damage of a toper section of thick bamboo, and extension device's life improves reaming work efficiency, is fit for carrying out marketing.

Drawings

Fig. 1 is a schematic front view of a soil layer reamer for preventing drill jamming according to the present invention;

fig. 2 is an elevation structural schematic diagram of a fixing ring and a gear of the soil layer reamer for preventing drill jamming according to the present invention.

In the figure: 1 mandrel, 2 conical cylinders, 3 alloy teeth, 4 square tubes, 5 nozzles, 6 drill cutters, 7 runner grooves, 8 spray pipes, 9 water channels, 10 hole walls, 11 holes and 12 drill rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, the soil layer reamer for preventing drill sticking comprises a mandrel 1, a conical cylinder 2 is fixedly installed outside the mandrel 1, a plurality of alloy teeth 3 are welded on the outer ring of one end of the conical cylinder 2, a square pipe 4 is fixedly welded on the outer ring of the other end of the conical cylinder 2, a nozzle 5 is arranged on the square pipe 4, a drill cutter 6 is welded on one side of the square pipe 4, a runner groove 7 is arranged on the outer wall of the conical cylinder 2, a spray pipe 8 is installed on the inner wall of the runner groove 7, a water channel 9 is arranged inside the mandrel 1, and a drill rod 12 is fixedly installed at one end of.

The perpendicular cross-section at the both ends of a toper section of thick bamboo 2 is the isosceles triangle structure, a toper section of thick bamboo 2 formula as an organic whole is connected, alloy tooth 3 and the one end outer wall welding of a toper section of thick bamboo 2, and alloy tooth 3 has four groups, and every group is equipped with four alloy teeth, the outer lane of drilling rod 12 is equipped with the one-level drilling, and the inside pore wall 10 that is equipped with of one-level drilling, the inside of pore wall 10 is equipped with hole 11, the outer lane of drilling rod 12 and the inner wall contact of hole 11, dabber 1 is cylindrical structure, and water course 9 sets up the inner wall at dabber 1, the one end fixedly connected with box of water course 9, and the other end and the drilling rod 12 fixed connection of box, the welding has the streamlined bent plate on the 7 outer walls of runner groove, the bent plate is in dabber 1 direction.

In the embodiment, when reaming is needed, firstly, a female buckle on a mandrel 1 is screwed on a drill rod 12, then the drill rod 12 rotates to pull the reamer to move towards the inside of a hole, water is introduced into a water channel 9, meanwhile, a drill bit 6 also contacts the hole wall 10, the drill bit 6 with the gradually enlarged circumferential diameter is contacted with the hole wall 10 to gradually grind the hole wall 10 to be larger, then the diameter of the hole 11 is enlarged until the hole wall 10 is contacted with a curved plate, when the drill bit 6 is contacted with the hole wall 10, cooling water flows into a square pipe 4 through the water channel 9 to cool the square pipe 4, simultaneously, a nozzle sprays 5 water to the drill bit 4 and a flow channel groove 3 to cool and clean the hole wall 10 and the curved plate, after the drill bit 6 digs the hole wall 10 on the square pipe 2, soil falls onto the square pipe 2, the reamer continuously feeds to enable the reamer to be pushed to the flow channel groove 7, at the time, the curved plate is abutted against the hole wall 10, the soil, simultaneously the bent plate utilizes the rotation of reamer to make self form the heliciform and change taking earth away from square pipe 2, and the water in the square pipe 2 gets into the bent plate 33 in, and spray tube 8 is outside the water injection in the bent plate to the bent plate, and then with earth rush out the bent plate outside, 2 outer walls of toper section of thick bamboo add alloy tooth 3, reduce the wearing and tearing of the butt weld that cause owing to need back-and-forth movement drill bit when the reaming is interrupted.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a soil layer enlarger of anti-sticking brill, includes dabber (1), its characterized in that, the outside fixed mounting of dabber (1) has a toper section of thick bamboo (2), the one end outer lane welding of toper section of thick bamboo (2) has a plurality of alloy teeth (3), the fixed welding of the other end outer lane of toper section of thick bamboo (2) has square pipe (4), nozzle (5) have been seted up on square pipe (4), one side welding of square pipe (4) has drill cutter (6), runner groove (7) have been seted up to the outer wall of toper section of thick bamboo (2), spray tube (8) are installed to the inner wall of runner groove (7), water course (9) have been seted up to the inside of dabber (1), the one end fixed mounting of dabber (1.

2. The soil layer reamer capable of preventing drill jamming as claimed in claim 1, wherein the vertical sections of two ends of the conical cylinder (2) are of isosceles triangle structures, the conical cylinder (2) is connected in an integrated mode, the alloy teeth (3) are welded with the outer wall of one end of the conical cylinder (2), the number of the alloy teeth (3) is four, and each group is provided with four alloy teeth.

3. An anti-sticking soil layer reamer as claimed in claim 1, wherein the outer ring of the drill rod (12) is provided with a previous stage bore hole, and the interior of the previous stage bore hole is provided with a hole wall (10), the interior of the hole wall (10) is provided with a hole (11), and the outer ring of the drill rod (12) is in contact with the inner wall of the hole (11).

4. The soil layer reamer of claim 1, wherein the mandrel (1) is of a cylindrical structure, the water channel (9) is formed in the inner wall of the mandrel (1), one end of the water channel (9) is fixedly connected with a female buckle, and the other end of the female buckle is fixedly connected with the drill rod (12).

5. The soil layer reamer of the anti-sticking drill according to claim 1, characterized in that a streamline-shaped curved plate is welded on the outer wall of the runner groove (7), the curved plate is communicated with the spray pipe (8) at one side of the mandrel (1) in the opposite direction of the rotation direction, and the square pipe (4) is communicated with the nozzle (5).