Drill bit guiding device of vertical shaft drilling machine

Abstract

The utility model discloses a drill bit guiding device of a vertical shaft drilling machine, and particularly relates to the technical field of drill bit guiding, the drill bit guiding device comprises an installation mechanism installed on a drill bit of the vertical shaft drilling machine, the installation mechanism is used for drilling guiding of the drill bit of the vertical shaft drilling machine, and the installation mechanism comprises an installation frame arranged outside a drill bit body. First threaded holes are formed in the two sides of the top of the mounting frame, a first bolt is in threaded connection with the interior of each first threaded hole, a fixing mechanism for positioning the drill bit body is arranged in the mounting frame, and the fixing mechanism comprises a limiting groove formed in the mounting frame; the two sides of the interior of the limiting groove are movably connected with two-way threaded rods through bearings. The mounting frame can be detached from the vertical shaft drilling machine through the first bolts, the mounting frame can be conveniently replaced, the arc-shaped fixing plate can be taken down from the connecting plate through the second bolts, the arc-shaped fixing plate can be conveniently and independently replaced, and the service life of the vertical shaft drilling machine is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of drill bit guidance, in particular to a drill bit guidance device for a vertical well drilling machine. Background Art

[0002] Drill bit guidance for shaft drilling rigs refers to the technology that uses various guiding devices and systems to ensure that the drill bit drills accurately along the predetermined path during the drilling process. It is crucial to improve drilling efficiency, ensure drilling safety and reduce costs by guiding the drill bit.

[0003] For example, a coring drill bit positioning and guiding device provided in the Chinese patent application with application number 202321972245.1 includes a coring drill bit and a connecting ring, the top of the connecting ring and the inside of the connecting plate are fixedly connected with a fixing mechanism, and the left and right sides of the connecting plate are fixedly connected with a supporting mechanism; the fixing mechanism includes a clamping assembly and a limiting assembly, the limiting assembly is arranged on the clamping assembly, the clamping assembly includes a threaded hole, the threaded hole is opened inside the two connecting plates, the two threaded holes are threadedly connected with a threaded rod, the threaded rod is fixedly connected with a handle on the side away from the coring drill bit, the threaded rod is rotatably connected with a clamping ring on the side close to the coring drill bit, the left and right sides of the clamping ring are fixedly connected with mounting plates, and the left and right sides of the top of the connecting ring are fixedly connected with long plates. In this technical solution, by setting a fixing mechanism, the position of the coring drill bit can be further positioned and fixed when the coring drill bit is connected to the mechanical equipment.

[0004] However, the technical solution still has the following problem: in the technical solution, the two connecting plates and the mechanical device are fixedly connected, and when the device is damaged by a collision, it is impossible to remove it from the mechanical device and replace it. Utility Model Content

[0005] The purpose of the utility model is to provide a drill bit guide device for a shaft drilling rig, wherein a mounting frame can be disassembled from the shaft drilling rig by a first bolt, so that the mounting frame can be replaced conveniently, and an arc-shaped fixing plate can be removed from a connecting plate by a second bolt, so that the arc-shaped fixing plate can be replaced separately, thereby extending the service life of the utility model and solving the above-mentioned deficiencies in the technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vertical shaft drilling rig drill bit guide device, comprising a mounting mechanism installed on the vertical shaft drilling rig drill bit, the mounting mechanism is used as a drilling guide for the vertical shaft drilling rig drill bit, the mounting mechanism comprises a mounting frame arranged outside the drill bit body, first threaded holes are opened on both sides of the top of the mounting frame, and a first bolt is threadedly connected to the inside of each of the first threaded holes.

[0007] Preferably, a fixing mechanism for positioning the drill bit body is provided inside the mounting frame, and the fixing mechanism includes a limit groove opened inside the mounting frame, and both sides of the limit groove are movably connected with bidirectional threaded rods through bearings, and both ends of each of the bidirectional threaded rods are connected to a limit plate through a thread, and one side of the limit plate passes through the mounting frame and extends out of one side of the mounting frame, and the two limit plates on the same side are fixed with the same connecting plate on the adjacent sides, and the two connecting plates are fixed with an arc-shaped fixing plate on the adjacent sides, and the drill bit body is located between the two arc-shaped fixing plates for positioning the drill bit body.

[0008] Preferably, a pulley is passed through one end of the two bidirectional threaded rods, and the same belt is provided on the outside of the two pulleys. One end of one of the bidirectional threaded rods passes through the mounting frame and extends out of one side of the mounting frame. A handle is fixedly provided on one end of the bidirectional threaded rod extending out of one side of the mounting frame for driving the bidirectional threaded rod to rotate.

[0009] Preferably, a second threaded hole is provided on the arc-shaped fixing plate, and a third threaded hole is provided on the connecting plate. The second threaded hole and the third threaded hole are connected internally with a second bolt through threads, so that the arc-shaped fixing plate can be replaced separately.

[0010] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0011] 1. Sleeve the mounting frame on the outside of the drill body, then rotate the first bolt, rotate the first bolt into the first threaded hole on the mounting frame, and then rotate it into the mounting hole on the shaft drilling rig through the first threaded hole, so that the mounting frame can be fixed on the drill body. When the mounting frame is damaged by collision, the first bolt is rotated out from the shaft drilling rig, so that the mounting frame can be removed from the shaft drilling rig, which is convenient for replacing the mounting frame;

[0012] 2. Place the drill body between the two arc-shaped fixing plates and turn the handle. The handle can drive the bidirectional threaded rod to rotate. The rotation of the bidirectional threaded rod can drive the limit plate to move. The limit plate drives the arc-shaped fixing plate to move. Move the two arc-shaped fixing plates to both sides of the drill body to limit and guide the drill body, so that the drill body always maintains its verticality, improves the drilling accuracy, turns the second bolt, and turns the second bolt out from the second threaded hole and the third threaded hole. The arc-shaped fixing plate can be removed from the connecting plate, which is convenient for replacing the arc-shaped fixing plate separately, thereby extending the service life of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0014] Figure 1 It is a front view of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the installation mechanism of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the fixing mechanism of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the second threaded hole, the third threaded hole and the second bolt of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the mounting frame of the utility model;

[0019] Figure 6 It is a rear view of the utility model.

[0020] Description of reference numerals:

[0021] 1 drill body;

[0022] 2 mounting mechanism, 201 mounting frame, 202 first threaded hole, 203 first bolt;

[0023] 3 fixing mechanism, 301 limiting groove, 302 bidirectional threaded rod, 303 limiting plate, 304 connecting plate, 305 arc-shaped fixing plate, 306 pulley, 307 belt, 308 handle;

[0024] 4 second threaded hole, 5 third threaded hole, 6 second bolt. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] The utility model provides Figure 1-6 A vertical shaft drilling rig drill bit guide device shown in the figure comprises a mounting mechanism 2 mounted on the vertical shaft drilling rig drill bit, the mounting mechanism 2 is used as a drilling guide for the vertical shaft drilling rig drill bit, the mounting mechanism 2 comprises a mounting frame 201 arranged outside the drill bit body 1, first threaded holes 202 are opened on both sides of the top of the mounting frame 201, and a first bolt 203 is threadedly connected inside each of the first threaded holes 202;

[0027] The mounting frame 201 is placed on the outside of the drill body 1, and then the first bolt 203 is rotated to rotate the first bolt 203 into the first threaded hole 202 on the mounting frame 201, and then rotated into the mounting hole on the shaft drilling machine through the first threaded hole 202, so that the mounting frame 201 can be fixed on the drill body 1;

[0028] When the mounting frame 201 is damaged by collision, the first bolt 203 can be turned out from the shaft drilling rig, so that the mounting frame 201 can be removed from the shaft drilling rig, which makes it convenient to replace the mounting frame 201 alone.

[0029] like Figure 3 As shown, the mounting frame 201 is provided with a fixing mechanism 3 for positioning the drill body 1, and the fixing mechanism 3 includes a limiting groove 301 opened in the mounting frame 201, and both sides of the limiting groove 301 are movably connected with a bidirectional threaded rod 302 through a bearing, and both ends of each bidirectional threaded rod 302 are connected with a limiting plate 303 through a thread, and one side of the limiting plate 303 passes through the mounting frame 201 and extends out of one side of the mounting frame 201, and the two limiting plates 303 on the same side are fixed with the same connecting plate 304 on the side close to each other, and the two connecting plates 304 are fixed with an arc-shaped fixing plate 305 on the side close to each other, and the drill body 1 is located between the two arc-shaped fixing plates 305;

[0030] like Figure 3 As shown, one end of the two bidirectional threaded rods 302 is penetrated by a pulley 306, and the two pulleys 306 are provided with a same belt 307 outside. One end of one of the bidirectional threaded rods 302 penetrates the mounting frame 201 and extends out of one side of the mounting frame 201, and one end of the bidirectional threaded rod 302 extending out of one side of the mounting frame 201 is fixed with a handle 308;

[0031] Place the drill body 1 between the two arc-shaped fixing plates 305 and turn the handle 308. The handle 308 can drive the bidirectional threaded rod 302 to rotate. The two bidirectional threaded rods 302 can rotate at the same time under the action of the pulley 306 and the belt 307. The rotation of the bidirectional threaded rod 302 can drive the limit plate 303 to move, the limit plate 303 drives the connecting plate 304 to move, and the connecting plate 304 drives the arc-shaped fixing plate 305 to move. Move the two arc-shaped fixing plates 305 to both sides of the drill body 1, and limit and guide the drill body 1 through the two arc-shaped fixing plates 305, so that the drill body 1 always maintains its verticality, thereby improving the drilling accuracy.

[0032] like Figure 4As shown, the arc-shaped fixing plate 305 is provided with a second threaded hole 4, the connecting plate 304 is provided with a third threaded hole 5, and the second threaded hole 4 and the third threaded hole 5 are connected to each other with a second bolt 6 threadedly connected therein;

[0033] By rotating the second bolt 6 and taking it out from the second threaded hole 4 and the third threaded hole 5, the arc-shaped fixing plate 305 can be removed from the connecting plate 304, so that the arc-shaped fixing plate 305 can be replaced separately, thereby extending the service life of the utility model.

[0034] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A drill bit guide device for a vertical shaft drilling rig, characterized in that: It comprises a mounting mechanism (2) mounted on a drill bit of a vertical shaft drilling rig, wherein the mounting mechanism (2) is used as a drilling guide for the drill bit of the vertical shaft drilling rig; The mounting mechanism (2) comprises a mounting frame (201) arranged outside the drill body (1); A fixing mechanism (3) for positioning the drill body (1) is provided inside the mounting frame (201); The fixing mechanism (3) comprises a limiting groove (301) provided inside the mounting frame (201), both sides of the limiting groove (301) being movably connected with bidirectional threaded rods (302) via bearings, both ends of each bidirectional threaded rod (302) being threadedly connected with a limiting plate (303), one side of the limiting plate (303) passing through the mounting frame (201) and extending out of one side of the mounting frame (201), the adjacent sides of two limiting plates (303) located on the same side are fixedly provided with a same connecting plate (304), and the adjacent sides of the two connecting plates (304) are fixedly provided with an arc-shaped fixing plate (305).

2. A vertical shaft drilling rig drill bit guide device according to claim 1, characterized in that: First threaded holes (202) are provided on both sides of the top of the mounting frame (201), and a first bolt (203) is threadedly connected inside each of the first threaded holes (202).

3. A vertical shaft drilling rig drill guide device according to claim 1, characterized in that: The drill bit body (1) is located between two arc-shaped fixing plates (305).

4. A vertical shaft drilling rig drill guide device according to claim 1, characterized in that: A pulley (306) is provided through one end of each of the two bidirectional threaded rods (302), and a same belt (307) is provided outside the two pulleys (306).

5. A vertical shaft drilling rig drill guide device according to claim 1, characterized in that: One end of one of the bidirectional threaded rods (302) passes through the mounting frame (201) and extends out of one side of the mounting frame (201), and a handle (308) is fixedly provided on one end of the bidirectional threaded rod (302) extending out of one side of the mounting frame (201).

6. A vertical shaft drilling rig drill guide device according to claim 1, characterized in that: The arc-shaped fixing plate (305) is provided with a second threaded hole (4), the connecting plate (304) is provided with a third threaded hole (5), and the second threaded hole (4) and the third threaded hole (5) are connected to each other and are internally threadedly connected with a second bolt (6).

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