Positioning assembly of belt carrier titanium plate drill bit guider

Abstract

The utility model relates to the technical field of drill bit guiders, in particular to a belt loop titanium plate drill bit guider positioning assembly which comprises a drill rod and a belt loop titanium plate drill bit, a guide plate assembly is fixedly connected to the lower portion of the drill rod through bolts, and the front end of the guide plate assembly is in threaded connection with the belt loop titanium plate drill bit. The guide plate assembly comprises a guide plate body, an installation cavity is formed in the inner side of the guide plate body, an interlayer cooling pipe is fixedly connected to the middle of the inner side of the installation cavity, a grid-shaped heat dissipation plate is fixedly connected to the top end of the inner side of the installation cavity and located above the interlayer cooling pipe, and an annular cooling mechanism is installed at the front end of the interlayer cooling pipe. The front end of the annular cooling mechanism is fixedly connected with a connecting mechanism used for being matched with a belt loop titanium plate drill bit for heat dissipation. According to the titanium plate loop drill bit, the heat dissipation efficiency of the titanium plate loop drill bit and the guide plate assembly is improved, efficient absorption and conduction of heat of the titanium plate loop drill bit are achieved, and the service life of the guide plate and the titanium plate loop drill bit is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of drill bit guide technology, specifically a drill bit guide positioning assembly with a looped titanium plate. Background Technology

[0002] A looped titanium plate drill bit guide positioning assembly is a positioning device used to precisely guide a looped titanium plate drill bit for drilling. The looped titanium plate drill bit guide positioning assembly is usually composed of a looped titanium plate drill bit, a guide plate, and a drill rod. The guide plate is installed at the end of the looped titanium plate drill bit in an inclined position. The end of the plate is designed to be sharp or arc-shaped. When the rotation of the looped titanium plate drill bit stops, the radial component force is used to cleverly change the forward direction. When rotating, the surface breaking action ensures straight forward movement.

[0003] However, in actual operation, the intense friction between the drill bit with looped titanium plate and the soil during drilling generates a large amount of heat. The existing cooling system of the drilling rig is limited by the layout of the cooling pipes, which makes it impossible to efficiently and accurately deliver the coolant to the drill bit with looped titanium plate. This causes the drill bit with looped titanium plate and the front end of the guide plate to be in a high-temperature state for a long time, resulting in continuous deterioration of the material properties, overheating and wear, and shortening the service life of the guide plate. Therefore, a positioning component for a drill bit guide with looped titanium plate is proposed to address the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a guide positioning component to solve the problem that the intense friction between the looped titanium plate drill bit and the soil generates a large amount of heat. However, the existing cooling system of the drilling rig is limited by the layout of the cooling pipes, which makes it impossible to efficiently and accurately deliver the coolant to the looped titanium plate drill bit. This causes the looped titanium plate drill bit and the front end of the guide plate to be in a high-temperature state for a long time, shortening the service life of the guide plate.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A positioning assembly for a drill bit guide with a looped titanium plate includes a drill rod and a looped titanium plate drill bit. A guide plate assembly is bolted to the lower part of the drill rod, and the looped titanium plate drill bit is threaded to the front end of the guide plate assembly. The guide plate assembly includes a guide plate body, an inner cavity for mounting, a partition cooling pipe fixedly connected to the middle of the inner cavity, and a grid-shaped heat dissipation plate fixedly connected to the top of the inner cavity. The grid-shaped heat dissipation plate is positioned above the partition cooling pipe, and an annular cooling mechanism is installed at the front end of the partition cooling pipe. The annular cooling mechanism has a connecting mechanism fixedly connected to its front end for heat dissipation of the loop titanium plate drill bit; the annular cooling mechanism includes an arc-shaped heat-conducting block, which is fixedly disposed at the front end of the inner side of the mounting cavity. An arc-shaped threaded tube is fixedly connected to the inner side of the arc-shaped heat-conducting block. A diverting rod is fixedly connected to the inner wall of the arc-shaped threaded tube. Diverting grooves are opened in the two corner areas of the inner side of the diverting rod. Sealing balls are fixedly connected to both ends of the arc-shaped threaded tube. A sealing seat is fixedly connected to one side of the sealing ball. The sealing seat is connected in a through connection with the partition cooling pipe.

[0007] As a further optimization of this utility model, the connecting mechanism includes a heat-conducting seat, which is fixedly connected to an arc-shaped heat-conducting block. A movable cavity is formed at the center of the heat-conducting seat. A limiting plate is fixedly connected to the bottom of the inner side of the movable cavity. A support spring is fixedly connected to the front end of the limiting plate. A connecting seat is fixedly connected to the front end of the support spring. The vertical cross-section of the connecting seat is "T"-shaped. The rear end of the connecting seat extends to the middle of the inner side of the movable cavity. The connecting seat and the movable cavity are slidably connected. The front end of the connecting seat is in contact with the rear end of the loop titanium plate drill bit.

[0008] As a further optimization of this utility model, the number of heat-conducting seats is set to several, and the several heat-conducting seats are evenly distributed in an arc-shaped array on the arc-shaped outer wall of the guide plate body. The shape of the active cavity is a three-section cylinder, and the front end of the active cavity extends to the outside of the heat-conducting seat.

[0009] As a further optimization of this utility model, the two sealing balls are arranged in a spherical shape, the inner side of the sealing ball is connected to the inner side of the arc-shaped threaded pipe, and the sealing ball and the corresponding sealing seat are located on the same horizontal line.

[0010] As a further optimization of this utility model, the two sealing seats are arranged symmetrically at the center, the inner side of the sealing seat is a cavity structure, and the inner sides of the two sealing seats correspond to the top and bottom of the front end of the partition cooling pipe, respectively.

[0011] As a further optimization of this utility model, the partition cooling pipe extends to the outside of the guide plate body, and a partition is fixedly connected to the center of the inner side of the partition cooling pipe, with the partition located between the two sealing seats.

[0012] As a further optimization of this utility model, the grille-shaped heat dissipation plate and the partition cooling pipe are in close contact with each other, the shape of the lower surface of the grille-shaped heat dissipation plate is adapted to the shape of the upper surface of the partition cooling pipe, and the top of the grille-shaped heat dissipation plate extends above the guide plate body.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] In this invention, the heat dissipation efficiency of the loop titanium plate drill bit and the guide plate assembly is significantly improved by the guide plate assembly. Through the close cooperation of the annular cooling mechanism and the connecting mechanism, the heat of the loop titanium plate drill bit is efficiently absorbed and conducted, effectively solving the problems of inaccurate coolant delivery and poor heat dissipation in traditional cooling systems. This extends the service life of the guide plate and the loop titanium plate drill bit, reduces construction costs, and provides a strong guarantee for the long-term use of the drilling rig. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the overall rear structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the guide plate assembly of this utility model;

[0018] Figure 4 This is an exploded structural diagram of the partition cooling pipe of this utility model;

[0019] Figure 5 This is a schematic diagram of the annular cooling mechanism of this utility model;

[0020] Figure 6 This is a schematic diagram of the connection mechanism of this utility model;

[0021] Figure 7 This is a schematic cross-sectional view of the arc-shaped threaded tube of this utility model.

[0022] Figure 8 This utility model Figure 7 A schematic diagram of the structure at point A.

[0023] In the diagram: 1. Drill pipe;

[0024] 2. Guide plate assembly; 21. Guide plate body; 22. Mounting cavity; 23. Partition cooling pipe; 24. Grille-shaped heat dissipation plate; 25. Annular cooling mechanism; 26. Connecting mechanism; 27. Partition;

[0025] 3. Loop titanium plate drill bit;

[0026] 4. Part slot;

[0027] 251. Arc-shaped heat-conducting block; 252. Arc-shaped threaded tube; 253. Diverter rod; 254. Diverter groove; 255. Sealing ball; 256. Sealing seat;

[0028] 261. Heat-conducting base; 262. Movable cavity; 263. Limiting plate; 264. Support spring; 265. Connecting base. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0031] Please see Figure 1-8 This utility model provides a technical solution:

[0032] A positioning assembly for a drill bit guide with a loop titanium plate includes a drill rod 1 and a loop titanium plate drill bit 3. A guide plate assembly 2 is bolted to the lower part of the drill rod 1, and the loop titanium plate drill bit 3 is threaded to the front end of the guide plate assembly 2. The guide plate assembly 2 includes a guide plate body 21, an installation cavity 22 is formed on the inner side of the guide plate body 21, a partition cooling pipe 23 is fixedly connected to the middle of the inner side of the installation cavity 22, and a grid-shaped heat dissipation plate 24 is fixedly connected to the top of the inner side of the installation cavity 22. The grid-shaped heat dissipation plate 24 is located above the partition cooling pipe 23, and an annular cooling mechanism 25 is installed at the front end of the partition cooling pipe 23. The front end is fixedly connected to a connecting mechanism 26 for heat dissipation of the loop titanium plate drill bit 3; the annular cooling mechanism 25 includes an arc-shaped heat-conducting block 251, which is fixedly installed at the front end inside the mounting cavity 22. An arc-shaped threaded tube 252 is fixedly connected to the inner side of the arc-shaped heat-conducting block 251. A diverter rod 253 is fixedly connected to the inner wall of the arc-shaped threaded tube 252. Diverter grooves 254 are opened in the two corner areas inside the diverter rod 253. Sealing balls 255 are fixedly connected to both ends of the arc-shaped threaded tube 252. A sealing seat 256 is fixedly connected to one side of the sealing ball 255. The sealing seat 256 is connected to the interlayer cooling pipe 23.

[0033] As a further implementation of this solution, the connecting mechanism 26 includes a heat-conducting seat 261, which is fixedly connected to the arc-shaped heat-conducting block 251. A movable cavity 262 is formed at the center of the heat-conducting seat 261. The movable cavity 262 is a three-section cylinder. The front end of the movable cavity 262 extends to the outside of the heat-conducting seat 261. A limiting plate 263 is fixedly connected to the bottom of the inner side of the movable cavity 262. A support spring 264 is fixedly connected to the front end of the limiting plate 263, and a connecting seat 265 is fixedly connected to the front end of the support spring 264. The vertical cross-section of the connecting seat 265 is "T" shaped. The rear end of the connecting seat 265 extends to the middle of the inner side of the movable cavity 262. The connecting seat 265 and the movable cavity 262 are slidably connected. The front end of the connecting seat 265 is in contact with the rear end of the loop titanium plate drill bit 3. The elasticity of the support spring 264 ensures that the connecting seat 265 always moves forward, so as to be in close contact with the rear end of the loop titanium plate drill bit 3, ensuring that heat can be efficiently transferred from the loop titanium plate drill bit 3 to the connecting seat 265, and then transferred to the arc-shaped heat-conducting block 251 through the heat-conducting seat 261.

[0034] As a further implementation of this solution, the number of heat conduction seats 261 is set to several. The several heat conduction seats 261 are evenly distributed in an arc-shaped array on the arc-shaped outer wall of the guide plate body 21. This layout can evenly absorb heat in the circumferential direction where the front end of the guide plate body 21 contacts the loop titanium plate drill bit 3, thus avoiding local overheating.

[0035] As a further implementation of this solution, the two sealing balls 255 are arranged in a spherical shape, and the inner side of the sealing ball 255 is connected to the inner side of the arc-shaped threaded tube 252. The sealing ball 255 and the corresponding sealing seat 256 are located on the same horizontal line. The spherical structure of the sealing ball 255 allows the coolant to be distributed in the arc-shaped threaded tube 252 at a relatively uniform flow rate when entering and exiting, reducing the problems of sudden changes in coolant flow rate and uneven local pressure caused by unreasonable structure at the interface.

[0036] As a further implementation of this solution, the two sealing seats 256 are arranged symmetrically in the center. The inner side of the sealing seat 256 is a cavity structure. The inner sides of the two sealing seats 256 correspond to the top and bottom of the front end of the partition cooling pipe 23, respectively. This symmetrical arrangement matches the structure of the partition cooling pipe 23.

[0037] As a further implementation of this solution, the partition cooling pipe 23 extends to the outside of the guide plate body 21, and a partition 27 is fixedly connected to the center of the inner side of the partition cooling pipe 23. The partition 27 is located between two sealing seats 256, so that the upper and lower layers of coolant separated by the partition 27 in the partition cooling pipe 23 can enter and exit the annular cooling mechanism 25 through the corresponding sealing seats 256 respectively.

[0038] As a further implementation of this solution, the grid-shaped heat dissipation plate 24 and the partition cooling pipe 23 are attached to each other. The shape of the lower surface of the grid-shaped heat dissipation plate 24 is adapted to the shape of the upper surface of the partition cooling pipe 23. The top of the grid-shaped heat dissipation plate 24 extends to the top of the guide plate body 21. The upper surface of the grid-shaped heat dissipation plate 24 is provided with heat dissipation grooves. After absorbing heat, the coolant flowing in the partition cooling pipe 23 dissipates the heat to the surrounding environment through the grid-shaped heat dissipation plate 24, thereby reducing the temperature of the coolant and improving the continuous working capacity of the cooling system.

[0039] Working process: During use, the transmission component of the drilling rig is connected to the slot 4 at the top of the drill rod 1. At the same time, the top of the partition cooling pipe 23 is connected to the cooling pipe of the drilling rig through a rotatable seal. The partition 27 inside the partition cooling pipe 23 divides the coolant into upper and lower layers. The coolant in the lower layer of partition 27 flows into the sealing ball 255 on the left side through the bottom sealing seat 256. The sealing ball 255 then delivers the coolant to the arc-shaped threaded pipe 252. The arc-shaped threaded pipe 252 is tightly connected to the arc-shaped heat-conducting block 251. The arc-shaped heat-conducting block 251 is tightly connected to the rear end of the loop titanium plate drill bit 3 through the connecting mechanism 26, and can absorb the heat generated by the loop titanium plate drill bit 3. It should be noted that the limiting plate 263 applies elastic force to the connecting seat 265 through the movable cavity 262, causing the connecting seat 265 to move forward, thereby closely fitting with the rear end of the loop titanium plate drill bit 3, and thus effectively absorbing the heat generated therefrom. In addition, the arc-shaped heat-conducting block 251 can also absorb the heat at the contact point between the front end of the guide plate body 21 and the loop titanium plate drill bit 3.

[0040] As the coolant flows within the arc-shaped threaded tube 252, it comes into full contact with the diverter rod 253 on the inner side of the tube. Two diverter grooves 254 are provided at the two corners of the inner side of the diverter rod 253. This causes the coolant within the arc-shaped threaded tube 252 to have an up-and-down flow effect under the action of the diverter grooves 254, thereby creating a certain amount of mixed flow within the tube. This ensures a continuous cooling effect on the loop titanium plate drill bit 3. The coolant then flows through the sealing ball 255 on the right side to the top of the partition 27, and finally flows out through the partition cooling tube 23, thus achieving coolant circulation and continuous cooling of the loop titanium plate drill bit 3 and the front end of the guide plate assembly 2. It should be noted that the grid-shaped heat dissipation plate 24 is tightly fitted with the partition cooling tube 23, and its top is located on the outside of the guide plate assembly 2. The grid-shaped heat dissipation plate 24 can be used to cool the contact area between the partition cooling tube 23 and the guide plate body 21.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A back-up assembly for a no-go titanium back-up bit guide comprising a drill rod (1) and a no-go titanium back-up bit (3), characterized in that: The lower part of the drill rod (1) is fixedly connected with a guide plate assembly (2) through bolts, and the front end of the guide plate assembly (2) is threadedly connected with a loop titanium plate drill bit (3). The guide plate assembly (2) comprises a guide plate body (21), the inner side of the guide plate body (21) is provided with a mounting cavity (22), the middle part of the inner side of the mounting cavity (22) is fixedly connected with a partition cooling pipe (23), the top end of the inner side of the mounting cavity (22) is fixedly connected with a grid-shaped heat dissipation plate (24), the grid-shaped heat dissipation plate (24) is located above the partition cooling pipe (23), the front end of the partition cooling pipe (23) is provided with a ring-shaped cooling mechanism (25), and the front end of the ring-shaped cooling mechanism (25) is fixedly connected with a connecting mechanism (26) for matching heat dissipation of the loop titanium plate drill bit (3). The ring-shaped cooling mechanism (25) comprises an arc-shaped heat conduction block (251), the arc-shaped heat conduction block (251) is fixedly arranged at the front end of the inner side of the mounting cavity (22), the inner side of the arc-shaped heat conduction block (251) is fixedly connected with an arc-shaped threaded pipe (252), the inner wall of the arc-shaped threaded pipe (252) is fixedly connected with a shunt rod (253), two corner regions of the inner side of the shunt rod (253) are both provided with a shunt inclined chute (254), and both ends of the arc-shaped threaded pipe (252) are fixedly connected with sealing balls (255).

2. A buttoned titanium blade bit pilot positioning assembly according to claim 1, wherein: The connecting mechanism (26) comprises a heat conduction seat (261), the heat conduction seat (261) is fixedly connected with the arc-shaped heat conduction block (251), the center of the inside of the heat conduction seat (261) is provided with a movable cavity (262), the bottom end of the inner side of the movable cavity (262) is fixedly connected with a limiting disc (263), the front end of the limiting disc (263) is fixedly connected with a supporting spring (264), the front end of the supporting spring (264) is fixedly connected with a connecting seat (265), the vertical sectional shape of the connecting seat (265) is a "T" shape, the rear end of the connecting seat (265) extends to the middle part of the inner side of the movable cavity (262), the connecting seat (265) is slidingly connected with the movable cavity (262), and the front end of the connecting seat (265) is attached to the rear end of the loop titanium plate drill bit (3).

3. A button bit pilot positioning assembly according to claim 2, wherein: The number of the heat conduction seats (261) is arranged to be several, the arc-shaped arrays of the several heat conduction seats (261) are uniformly distributed on the arc-shaped outer wall of the guide plate body (21), the shape of the movable cavity (262) is a three-sectioned cylinder, and the front end of the movable cavity (262) extends to the outer side of the heat conduction seat (261).

4. A button bit pilot positioning assembly according to claim 1 wherein: The two sealing balls (255) are arranged in a spherical shape, the inner side of the sealing ball (255) is in communication with the inner side of the arc-shaped threaded pipe (252), and the sealing ball (255) and the corresponding sealing seat (256) are located on the same horizontal line.

5. A button bit pilot positioning assembly according to claim 1 wherein: The sealing seat (256) is in through connection with the partition cooling pipe (23), the two sealing seats (256) are centrally symmetrically arranged, the inner side of the sealing seat (256) is a cavity structure, and the inner sides of the two sealing seats (256) correspond to the top of the front end of the partition cooling pipe (23) and the bottom of the front end respectively.

6. A buttoned titanium board bit pilot positioning assembly according to claim 1, wherein: The partition cooling pipe (23) extends to the outer side of the guide plate body (21), and the partition (27) is fixedly connected to the center of the inner side of the partition cooling pipe (23); the position of the partition (27) is located between the two sealing seats (256).

7. A button bit pilot positioning assembly according to claim 1 wherein: The grid-shaped heat dissipation plate (24) is in mutual adhesion with the partition cooling pipe (23), the shape of the lower surface of the grid-shaped heat dissipation plate (24) is matched with the shape of the upper surface of the partition cooling pipe (23), and the top end of the grid-shaped heat dissipation plate (24) extends to the upper side of the guide plate body (21).

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