CN213205558U

CN213205558U - Reaming screw drill

Info

Publication number: CN213205558U
Application number: CN202021287239.9U
Authority: CN
Inventors: 王继伟
Original assignee: Tianjin Yongshun Titanium Petroleum Machinery Co ltd
Current assignee: Tianjin Yongshun Titanium Petroleum Machinery Co ltd
Priority date: 2020-07-05
Filing date: 2020-07-05
Publication date: 2021-05-14
Anticipated expiration: 2030-07-05

Abstract

The utility model discloses a reaming screw rod drilling tool, including the installation pipe, the mounting groove has been seted up to the lower terminal surface of installation pipe, fixed mounting has servo motor in the last lateral wall of mounting groove, servo motor's output fixed mounting has the shaft coupling, the one end fixed mounting that the shaft coupling deviates from servo motor has the lead screw, the cover is equipped with the lead screw cover on the lead screw, the center department of lead screw cover seted up with lead screw assorted screw hole, threaded connection between lead screw and the lead screw cover, symmetry fixed mounting has four lugs on the lateral wall of lead screw cover. The utility model discloses, horizontal sliding sleeve can promote push pedal roll-off installation pipe, and the installation pipe makes the upper end of boring the sword remove to the direction that deviates from the installation pipe, has enlarged the diameter of drilling, and the lower extreme of four boring the sword can drive vertical sliding sleeve upward movement this moment, and the step is simple, labour saving and time saving, the going on of engineering of having accelerated of very big degree.

Description

Reaming screw drill

Technical Field

The utility model relates to a screw rod drilling tool technical field especially relates to a reaming screw rod drilling tool.

Background

The screw drilling tool is a positive displacement downhole power drilling tool which takes drilling fluid as power and converts liquid pressure energy into mechanical energy. When slurry pumped by the slurry pump flows through the bypass valve and enters the motor, a certain pressure difference is formed at an inlet and an outlet of the motor, the rotor is pushed to rotate around the axis of the stator, and the rotating speed and the torque are transmitted to the drill bit through the universal shaft and the transmission shaft, so that the drilling operation is realized.

In the working process of the existing screw drilling tool, because the outer diameter of the drill bit is fixed, the inner diameter of the drilled hole is limited, the drilled hole is small, and if the construction effect is required to be guaranteed, the hole expanding work needs to be carried out on the drilled hole, so that the working steps are complex, time and labor are wasted, and the progress of the engineering is delayed to a great extent.

In order to solve the above problems, we propose a counterbored screw drill.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art "current screw rod drilling tool's the course of work, because the external diameter of drill bit is fixed, just the internal diameter that leads to drilling receives the restriction, and drilling is less, if want to guarantee the construction effect, just need carry out reaming work to drilling, and not only the working procedure is loaded down with trivial details, wastes time and energy moreover, the defect of having delayed going on of engineering of very big degree to but a reaming screw rod drilling tool is provided.

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

a reaming screw drilling tool comprises an installation pipe, wherein the lower end face of the installation pipe is provided with an installation groove, a servo motor is fixedly installed in the upper side wall of the installation groove, an output end of the servo motor is fixedly provided with a coupler, one end of the coupler, which is far away from the servo motor, is fixedly provided with a lead screw, a lead screw sleeve is sleeved on the lead screw, a threaded hole matched with the lead screw is formed in the center of the lead screw sleeve, the lead screw is in threaded connection with the lead screw sleeve, the side wall of the lead screw sleeve is symmetrically and fixedly provided with four connecting blocks, one end of each connecting block, which is far away from the lead screw sleeve, is rotatably connected with a rotating rod, one end of each rotating rod, which is far away from the connecting block, is rotatably connected with a transverse sliding sleeve, a limiting rod is inserted in each transverse sliding sleeve, one end of each limiting rod is fixedly installed on the inner wall of the installation groove, horizontal sliding sleeve sliding connection is on the gag lever post, and is a plurality of the common fixed mounting of terminal surface has the slide bar under the gag lever post, be provided with the reaming mechanism on the slide bar, the lower terminal surface fixed mounting of slide bar has the drill bit.

Preferably, the reaming mechanism includes vertical sliding sleeve, vertical sliding sleeve sliding connection is on the slide bar, the symmetry rotates on the vertical sliding sleeve and is connected with the brill sword, every the brill sword deviates from the equal rotation of one end of vertical sliding sleeve and is connected with the push pedal.

Preferably, one end of each push plate, which is far away from the drill bit, penetrates through the side wall of the installation pipe and is fixedly installed on the side wall of the transverse sliding sleeve, and the push plates are connected in the side wall of the installation pipe in a sliding mode.

Preferably, the lower end surface of the drill bit is spiral, and a plurality of cutting toothed plates are arranged on the side wall of the drill bit.

Preferably, a limiting plate is fixedly mounted on the lower end face of the screw rod, and the area of the upper end of the limiting plate is larger than that of the bottom end of the screw rod sleeve.

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

the top of managing will install is connected with screw rod drilling tool's drive arrangement, aim at the drill bit ground and insert down, when needs reaming, start servo motor, servo motor passes through the output and drives the lead screw rotation, and then make the lead screw cover move down, the lead screw cover can promote four horizontal sliding sleeves through four dwangs and slide along the gag lever post towards the direction that deviates from the lead screw, horizontal sliding sleeve can promote push pedal roll-off installation pipe, the installation pipe makes the upper end of brill sword remove to the direction that deviates from the installation pipe, the diameter of drilling has been enlarged, the lower extreme of four brill knives can drive vertical sliding sleeve upward movement this moment, the step is simple, time and labor saving, the progress of engineering of having accelerated of very big degree.

Drawings

Fig. 1 is a schematic front structural view of a reaming screw drill according to the present invention;

fig. 2 is a schematic view of a top view structure of a lead screw sleeve in a reaming screw drill.

In the figure: the device comprises a longitudinal sliding sleeve 1, a sliding rod 2, a transverse sliding sleeve 3, a rotating rod 4, a mounting groove 5, a mounting pipe 6, a servo motor 7, a screw rod 8, a screw rod sleeve 9, a push plate 10, a limiting rod 11, a drill 12, a drill bit 13, a connecting block 14 and a threaded hole 15.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a reaming screw drill comprises a mounting tube 6, a mounting groove 5 is formed on the lower end surface of the mounting tube 6, a servo motor 7 is fixedly installed in the upper side wall of the mounting groove 5, a coupler is fixedly installed at the output end of the servo motor 7, a lead screw 8 is fixedly installed at one end of the coupler, which is far away from the servo motor 7, a limiting plate is fixedly installed on the lower end surface of the lead screw 8, the area of the upper end of the limiting plate is larger than the area of the bottom end of a lead screw sleeve 9, a lead screw sleeve 9 is sleeved on the lead screw 8, a threaded hole 15 matched with the lead screw 8 is formed in the center of the lead screw sleeve 9, the lead screw 8 is in threaded connection with the lead screw sleeve 9, four connecting blocks 14 are symmetrically and fixedly installed on the side wall of the lead screw sleeve 9, one end, which is far away from the lead, a limiting rod 11 is inserted in each transverse sliding sleeve 3, one end of each limiting rod 11 is fixedly arranged on the inner wall of the mounting groove 5, one ends of the limiting rods 11, which are far away from the inner wall of the mounting groove 5, are fixedly arranged together, the transverse sliding sleeve 3 is connected to the limiting rods 11 in a sliding manner, a sliding rod 2 is fixedly arranged on the lower end face of the limiting rods 11, a hole expanding mechanism is arranged on the sliding rod 2 and comprises a longitudinal sliding sleeve 1, the longitudinal sliding sleeve 1 is connected to the sliding rod 2 in a sliding manner, drilling cutters 12 are symmetrically and rotatably connected to the longitudinal sliding sleeve 1, one end of each drilling cutter 12, which is far away from the longitudinal sliding sleeve 1, is rotatably connected with a push plate 10, one end of each push plate 10, which is far away from the drilling cutters 12, penetrates through the side wall of the mounting pipe 6 and is fixedly arranged on the side wall of the transverse sliding sleeve 3, the lower end surface of the drill bit 13 is spiral, and a plurality of cutting toothed plates are arranged on the side wall of the drill bit 12.

The utility model discloses in, the top that will install pipe 6 is connected with screw rod drilling tool's drive arrangement, aim at ground with drill bit 13 and insert down, when needs reaming, start servo motor 7, servo motor 7 drives lead screw 8 through the output and rotates, and then make lead screw cover 9 downstream, lead screw cover 9 can promote four horizontal sliding sleeves 3 through four dwang 4 and slide along the direction that gag lever post 11 is to deviating from lead screw 8, horizontal sliding sleeve 3 can promote push pedal 10 roll-off installation pipe 6, installation pipe 6 makes the upper end of boring cutter 12 move to the direction of keeping away from installation pipe 6, the diameter of drilling has been enlarged, the lower extreme of four boring cutters 12 can drive vertical sliding sleeve 1 upward movement this moment, the step is simple, time saving and labor saving, the progress of engineering of very big degree of having accelerated.

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 reaming screw rod drilling tool, includes installation pipe (6), its characterized in that, mounting groove (5) have been seted up to the lower terminal surface of installation pipe (6), fixed mounting has servo motor (7) in the last lateral wall of mounting groove (5), the output fixed mounting of servo motor (7) has the shaft coupling, the one end fixed mounting that the shaft coupling deviates from servo motor (7) has lead screw (8), the cover is equipped with lead screw cover (9) on lead screw (8), the center department of lead screw cover (9) seted up with lead screw (8) assorted screw hole (15), threaded connection between lead screw (8) and lead screw cover (9), symmetrical fixed mounting has four piecing (14) on the lateral wall of lead screw cover (9), every piecing (14) deviate from the one end of lead screw cover (9) and all rotate and be connected with horizontal sliding sleeve (3), every dwang (4) deviate from the one end of piecing (14) and all rotate and be connected with horizontal sliding sleeve (3) Every it has gag lever post (11), every all to alternate in horizontal sliding sleeve (3) the equal fixed mounting in one end of gag lever post (11) is on the inner wall of mounting groove (5), and is a plurality of gag lever post (11) deviates from the common fixed mounting in one end of mounting groove (5) inner wall and is in the same place, horizontal sliding sleeve (3) sliding connection is on gag lever post (11), and is a plurality of the common fixed mounting of terminal surface has slide bar (2) under gag lever post (11), be provided with reamer mechanism on slide bar (2), the lower terminal surface fixed mounting of slide bar (2) has drill bit (13).

2. A reaming screw drilling tool according to claim 1, characterized in that the reaming mechanism comprises a longitudinal sliding sleeve (1), the longitudinal sliding sleeve (1) is slidably connected to the sliding rod (2), the longitudinal sliding sleeve (1) is symmetrically and rotatably connected with drilling knives (12), and one end of each drilling knife (12) departing from the longitudinal sliding sleeve (1) is rotatably connected with a push plate (10).

3. A chambered screw drill according to claim 2, wherein the end of each push plate (10) facing away from the drill (12) extends through the side wall of the mounting tube (6) and is fixedly mounted on the side wall of the transverse sliding sleeve (3), and the push plate (10) is slidably connected in the side wall of the mounting tube (6).

4. A chambered screw drill according to claim 2, wherein the lower end surface of the drill bit (13) is helical and the side wall of the drill bit (12) is provided with a plurality of cutting tooth plates.

5. A hole-expanding screw drill according to claim 1, wherein a limiting plate is fixedly mounted on the lower end surface of the screw (8), and the area of the upper end of the limiting plate is larger than that of the bottom end of the screw sleeve (9).