Rotary drilling rod of rotary drilling rig

Abstract

The utility model discloses a rotary drilling rod of a rotary drilling rig, which belongs to the technical field of building construction and comprises a first section of drill rod, the bottom of the innermost drill rod is connected with a water discharging disc, the bottom of the water discharging disc is connected with a buffer component, the bottom of the buffer component is connected with a mounting seat, and an orientation component is arranged in the mounting seat. According to the utility model, through the arrangement of the orientation assembly, the square head connecting screw drives the fluted disc to enter the through groove, the clamping block is meshed with the fluted disc under the elastic acting force of the spring III, so that the direction of the square head connecting screw can be fixed, the disassembly and assembly of the square head connecting screw can be controlled by moving the control rod, and the positioning operation is simple, so that the use effect of the device is better; by arranging the buffering assembly, sliding friction exists between the anti-disengaging block and the limiting groove, the damping effect can be achieved, the telescopic block can enter the sleeve base during drilling machining, and the first spring and the second spring deform to achieve the good buffering and damping effect on the device.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and in particular relates to a rotary drilling rod of a rotary drilling rig. Background Art

[0002] The rotary drilling rod is a tubular structure that is used between the rotary drilling rig and the rotary drilling bit to transmit torque, axial pressure and other loads. It is a set of rods made of several sections of steel pipes of different diameters and internal and external keys. The rotary drilling rod is mainly divided into two structural forms: friction drill rod and machine lock drill rod.

[0003] Chinese patent application No. 202222140160.9 discloses a rotary drilling rod of a rotary drilling rig, including a first section of drill rod, an external key is fixedly welded on the outside of the first section of drill rod, a convex tooth is fixedly welded on one side of the external key, a buffer is fixedly installed in the tooth groove of the external key and the convex tooth, an elastic pad is fixedly installed on one side of the buffer, a rubber shock-absorbing pad is fixedly installed on the top of the first section of drill rod, and the innermost drill rod is movably sleeved inside the first section of drill rod. The utility model is provided with a buffer and an elastic pad in the tooth groove of the external key, and the convex teeth of the external key and the internal key are set to be semicircular. When the two sections of drill rod are aligned, the misaligned convex teeth slide from the semicircular edge into the tooth groove, which plays a calibration and correction role. The semicircular edge of the convex tooth is connected to the corresponding groove on the elastic pad. When the drill rod is running, the buffer is compressed by the lateral axial force, which plays a buffering role on the connection between the inner key convex tooth and the inner key tooth groove.

[0004] In the above-mentioned public patent, after the square head is threadedly connected to the mounting seat, multiple bolts are locked into the mounting seat to position the square head. The operation is cumbersome and the use effect is poor. This rotary drilling drill rod has no buffer structure, and the impact with the rigid rock during the drilling process is relatively large, affecting the stability of the device. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a rotary drilling rod of a rotary drilling rig, which has the characteristics of convenient orientation and high stability.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotary drilling rod of a rotary drilling rig, comprising a first section of drill rod, the surface of the innermost drill rod is sleeved with the first section of drill rod, the top of the innermost drill rod is connected with a connection, the bottom of the innermost drill rod is connected with a drain pan, the bottom of the drain pan is connected with a buffer assembly, the bottom of the buffer assembly is connected with a mounting seat, the interior of the mounting seat is provided with an directional assembly, and the interior of the mounting seat is embedded with a square head connecting screw.

[0007] Preferably, the directional assembly includes a toothed disk, a card block, a control rod, a spring three and a through slot, wherein a through slot is provided inside the mounting seat, two card blocks are embedded inside the through slot, a spring three is installed on the side of the card block, a control rod is connected to the side of the card block, a toothed disk is connected to the bottom of the square-headed connecting screw, the side end of the card block is a toothed structure, and the card block and the toothed disk are meshed with each other.

[0008] Preferably, the control rod is in a T-shaped cap rod structure, and the surface of the clamping block is tightly fitted with the inner groove wall of the through groove.

[0009] Preferably, the buffer assembly includes a telescopic block, a sleeve, a limit groove and a spring, wherein the bottom of the drain pan is connected to the telescopic block, the top of the mounting seat is connected to the sleeve, the interior of the sleeve is provided with a limit groove, and the interior of the limit groove is embedded with a spring.

[0010] Preferably, the inner grooves of the telescopic block and the sleeve are both square block structures, and anti-drop blocks are connected to both sides of the telescopic block.

[0011] Preferably, two auxiliary rods are connected to the bottom of the drain pan, two springs are sleeved on the surface of the auxiliary rods, and two slide grooves are provided inside the sleeve.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a directional component, and the square head connecting screw drives the toothed disc into the through groove. Under the elastic force of spring three, the block is engaged with the toothed disc to fix the direction of the square head connecting screw. The disassembly and assembly of the square head connecting screw can be controlled by moving the control rod. The positioning operation is simple, so that the use effect of the device is better.

[0014] 2. The utility model sets a buffer component, and the sliding friction between the anti-drop block and the limit groove can play a damping role. During drilling, the telescopic block will enter the inside of the sleeve, and the deformation of spring 1 and spring 2 can play a good buffering and shock absorbing role for the device. The auxiliary rod is connected and reinforced to further improve the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 This is the front view of the directional component of the utility model;

[0017] Figure 3 This is the front view of the buffer component of the utility model.

[0018] In the figure: 1. connection; 2. first section of drill rod; 3. innermost drill rod; 4. drain pan; 5. buffer assembly; 51. telescopic block; 52. anti-drop block; 53. sleeve; 54. limit groove; 55. spring one; 56. auxiliary rod; 57. spring two; 6. mounting seat; 7. square head connecting screw; 8. directional assembly; 81. toothed disc; 82. block; 83. control rod; 84. spring three; 85. through groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example 1

[0021] See also Figure 1-3 The utility model provides the following technical solutions: a rotary drilling rod of a rotary drilling rig, comprising a first section of drill rod 2, the surface of the innermost drill rod 3 is sleeved with the first section of drill rod 2, the top of the innermost drill rod 3 is connected with a connection 1, the bottom of the innermost drill rod 3 is connected with a drain pan 4, the bottom of the drain pan 4 is connected with a buffer component 5, the bottom of the buffer component 5 is connected with a mounting seat 6, the interior of the mounting seat 6 is provided with an directional component 8, and the interior of the mounting seat 6 is embedded with a square head connecting screw 7.

[0022] Specifically, the directional assembly 8 includes a toothed disc 81, a block 82, a control rod 83, a spring three 84 and a through slot 85. The mounting seat 6 is provided with a through slot 85, and two blocks 82 are embedded in the through slot 85. The side of the block 82 is provided with a spring three 84, and the side of the block 82 is connected to the control rod 83. The bottom of the square head connecting screw 7 is connected to the toothed disc 81, and the side end of the block 82 is a toothed structure, and the block 82 and the toothed disc 81 are meshed with each other.

[0023] By adopting the above technical solution, the square head connecting screw 7 drives the toothed disc 81 to enter the through groove 85. Under the elastic force of the spring three 84, the block 82 engages with the toothed disc 81 to fix the direction of the square head connecting screw 7. The positioning operation is simple, so that the device can be used more effectively.

[0024] Specifically, the control rod 83 is a T-shaped cap rod structure, and the surface of the block 82 is tightly fitted with the inner groove wall of the through groove 85 .

[0025] By adopting the above technical solution, the assembly and disassembly of the square-end connecting screw 7 can be controlled by moving the control rod 83, and the through groove 85 limits the block 82 to make the engagement between the block 82 and the toothed disc 81 more stable and firm.

[0026] When this embodiment is used, the connection 1 is first connected to the pulling rope, the outer side of the innermost drill rod 3 is covered with the first section of the drill rod 2, the drain tray 4 can be moved to drain the accumulated water, and the square head connecting screw 7 is threadedly engaged with the mounting seat 6 to complete the connection and assembly, and the square head connecting screw 7 drives the toothed disc 81 to enter the through groove 85. Under the elastic force of the spring three 84, the block 82 is engaged with the toothed disc 81 to fix the direction of the square head connecting screw 7, and the disassembly and assembly of the square head connecting screw 7 can be controlled by moving the control rod 83. The positioning operation is simple, so that the use effect of the device is better, and the rotary drilling rig can drive the rotary drilling drill rod to rotate to perform drilling processing.

[0027] Example 2

[0028] The present embodiment is different from the embodiment 1 in that the buffer assembly 5 includes a telescopic block 51, a sleeve 53, a limiting groove 54 and a spring 55. The bottom of the drain pan 4 is connected to the telescopic block 51, the top of the mounting seat 6 is connected to the sleeve 53, the interior of the sleeve 53 is provided with a limiting groove 54, and the interior of the limiting groove 54 is embedded with a spring 55.

[0029] Specifically, the inner grooves of the telescopic block 51 and the sleeve 53 are both in a square block structure, and both sides of the telescopic block 51 are connected with anti-dropping blocks 52 .

[0030] By adopting the above technical solution, the sliding friction between the anti-slip block 52 and the limiting groove 54 can play a damping role. During drilling, the telescopic block 51 will enter the sleeve 53, and the deformation of spring 1 55 and spring 2 57 can play a good buffering and shock-absorbing role for the device.

[0031] Specifically, two auxiliary rods 56 are connected to the bottom of the drain pan 4 , a spring 57 is sleeved on the surface of the auxiliary rods 56 , and two slide grooves are provided inside the sleeve seat 53 .

[0032] By adopting the above technical solution, the auxiliary rod 56 slides in a limited position with the inner slide groove of the sleeve 53, which can further improve the stability of the device and make the use effect of the device better.

[0033] When this embodiment is in use, the sliding friction between the anti-slip block 52 and the limiting groove 54 can play a damping role. During drilling, the telescopic block 51 will enter the inside of the sleeve 53. The deformation of spring 1 55 and spring 2 57 can play a good buffering and shock absorbing role for the device. The auxiliary rod 56 is used for connection and reinforcement to further improve the stability of the device.

[0034] The structure and use principle of the connection 1, the first drill rod 2, the innermost drill rod 3, the drain pan 4, the mounting seat 6 and the square head connecting screw 7 in the utility model have been disclosed in Chinese patent application No. 202222140160.9 which discloses a rotary drilling rod of a rotary drilling rig. The working principle is to connect the connection 1 to the pulling rope, the outer side of the innermost drill rod 3 is covered with the first drill rod 2, the drain pan 4 is moved to drain the accumulated water, and the square head connecting screw 7 is threadedly engaged with the mounting seat 6 to complete the connection and fixation, and the rotary drilling rig drives the rotary drilling rod to rotate to perform drilling processing.

[0035] The working principle and use process of the utility model are as follows: when the utility model is used, the connection 1 is first connected to the pulling rope, the outer side of the innermost drill rod 3 is covered with the first section of the drill rod 2, the drain pan 4 can be moved to drain the accumulated water, the square head connecting screw 7 is threadedly engaged with the mounting seat 6 to complete the connection and assembly, the square head connecting screw 7 drives the toothed disc 81 to enter the through groove 85, and the block 82 is engaged with the toothed disc 81 under the elastic force of the spring three 84 to fix the direction of the square head connecting screw 7 by moving the control rod 83. The disassembly and assembly of the square head connecting screw 7 can be controlled, and the positioning operation is simple, so that the use effect of the device is better. The rotary drilling rig can drive the rotary drilling rod to rotate to perform drilling processing. There is sliding friction between the anti-slip block 52 and the limit groove 54, which can play a damping role. During drilling processing, the telescopic block 51 will enter the inside of the sleeve 53, and the deformation of the spring one 55 and the spring two 57 can play a good buffering and shock absorbing role for the device. The connection and reinforcement of the auxiliary rod 56 further improves the stability of the device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotary drilling rod of a rotary drilling rig, comprising a first section of the drill rod, characterized in that: The surface of the innermost drill rod is covered with the first section of the drill rod, the top of the innermost drill rod is connected with a connection, the bottom of the innermost drill rod is connected with a drain pan, the bottom of the drain pan is connected with a buffer assembly, the bottom of the buffer assembly is connected with a mounting seat, the interior of the mounting seat is provided with a directional assembly, and the interior of the mounting seat is embedded with a square head connecting screw; The directional assembly includes a toothed disc, a clamping block, a control rod, a spring three and a through slot, wherein the mounting seat is provided with a through slot, two clamping blocks are embedded in the through slot, a spring three is installed on the side of the clamping block, a control rod is connected to the side of the clamping block, a toothed disc is connected to the bottom of the square head connecting screw, the side end of the clamping block is a toothed structure, and the clamping block and the toothed disc are meshed with each other; The buffer assembly includes a telescopic block, a sleeve, a limiting groove and a spring, wherein the bottom of the drain pan is connected to the telescopic block, the top of the mounting seat is connected to the sleeve, the interior of the sleeve is provided with a limiting groove, and the interior of the limiting groove is embedded with a spring.

2. The rotary drilling rod of a rotary drilling rig according to claim 1, characterized in that: The control rod is in a T-shaped cap rod structure, and the surface of the clamping block is tightly fitted with the inner groove wall of the through groove.

3. The rotary drilling rod of a rotary drilling rig according to claim 1, characterized in that: The inner grooves of the telescopic block and the sleeve seat are both in a square block structure, and both sides of the telescopic block are connected with anti-dropping blocks.

4. The rotary drilling rod of a rotary drilling rig according to claim 1, characterized in that: The bottom of the drain pan is connected with two auxiliary rods, the surfaces of the auxiliary rods are sleeved with two springs, and the interior of the sleeve seat is provided with two sliding grooves.

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