An auxiliary device for horizontal directional drilling rig construction and a directional assistance method

Abstract

The present invention belongs to the technical field of auxiliary equipment for horizontal directional drilling rigs, and particularly provides an auxiliary device for horizontal directional drilling rig construction and a directional assistance method. An auxiliary device for horizontal directional drilling rig construction includes a mobile base, a lifting assembly, an auxiliary support plate, a connecting plate, an auxiliary positioning seat, a gripper driving assembly, and a gripper assembly; A directional assistance method for horizontal directional drilling rig construction includes the following steps: adjusting the drilling angle of the horizontal directional drilling rig; adjusting the extension lengths of the output ends of the two height adjustment seats; driving the gripper assembly to rotate to the feeding position by the gripper driving assembly and grasping the drilling short section; driving the gripper assembly to reset and putting down the drilling short section; Step Five: The horizontal directional drilling rig drives the drilling short section to feed. Driving and moving to adjust the extension lengths of the output ends of the two height adjustment seats so that the auxiliary support plate adheres to the bottom of the horizontal directional drilling rig to achieve auxiliary support for the horizontal directional drilling rig.

Description

Technical Field

[0001] The present invention belongs to the technical field of horizontal directional drilling rig auxiliary equipment, and in particular provides an auxiliary device for horizontal directional drilling rig construction and a directional auxiliary method. Background Art

[0002] Horizontal directional drilling rigs can be used to achieve underground horizontal directional drilling without excavating the ground surface. The drilling generally forms an arc-shaped channel that is approximately straight. After drilling, the cables and pipes to be laid are connected and the holes are expanded and pulled back, thereby achieving the laying of cables, pipes, etc.

[0003] However, there is currently a lack of equipment to assist horizontal directional drilling rigs during their construction, resulting in low efficiency in drilling short section connection and insufficient stability when the horizontal directional drilling rigs are working. Summary of the Invention

[0004] In order to solve the above problems, the present invention provides an auxiliary device and a directional auxiliary method for horizontal directional drilling construction.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: an auxiliary device for horizontal directional drilling rig construction, including a mobile base, a lifting assembly, an auxiliary support plate, a connecting plate, an auxiliary positioning seat, a gripper drive assembly, and a gripper assembly. The fixed end of the lifting assembly is assembled on the upper surface of the mobile base, the gripper drive assembly is fixedly installed on the mobile base through a column, the auxiliary support plate is horizontally assembled on the lifting end of the lifting assembly, the auxiliary positioning seat is fixedly installed on the upper surface of the auxiliary support plate through a connecting plate, the gripper assembly is assembled on the output end of the gripper drive assembly, and the gripper assembly is located directly above the auxiliary positioning seat.

[0006] Furthermore, an inverted trapezoidal groove is axially opened in the middle of the upper surface of the auxiliary positioning seat.

[0007] Furthermore, a plurality of supporting unit plates are detachably fixed on the auxiliary supporting plate in an array.

[0008] Further, the gripper driving assembly includes a first mounting seat, a second mounting seat, a first base shaft, a second base shaft, a first sliding cylinder, a second sliding cylinder, a connecting arm, a limiting groove, a rotating cylinder, a synchronous pulley, a driving motor, and a bearing cylinder. The first mounting seat is mounted on the moving base through a column. The top end of the first mounting seat is equipped with a first base shaft. One end of the second mounting seat is assembled on the first mounting seat through the first base shaft, and the other end of the second mounting seat is equipped with a second base shaft. The second sliding cylinder is sleeved on the second base shaft, and the two are in clearance fit and can slide relative to each other. The first sliding cylinder is assembled on the outer wall of the second sliding cylinder through a connecting arm. A rotating cylinder is rotatably arranged outside the second sliding cylinder. The driving motor is assembled on the first sliding cylinder. A synchronous pulley is coaxially fixed outside the rotating cylinder. The synchronous pulley is connected to the driving pulley by a synchronous belt. The driving pulley is coaxially fixed to the output end of the driving motor. The output end of the rotating cylinder is the output end of the gripper driving assembly. The gripper assembly is assembled on the rotating cylinder.

[0009] Further, the gripper assembly includes a first arm body, an adjusting rod, a second arm body, a mounting groove, a top seat, a lead screw mechanism, a first robotic arm, a second robotic arm, and a clamping claw. The top of the first arm body is assembled on the output end of the gripper driving assembly. The bottom end of the first arm body is hinged to the second arm body. The mounting groove is assembled below the second arm body. The top seat is embedded in the mounting groove. One end of the bottom of the top seat is fixed with a lead screw mechanism, and the other end of the bottom of the top seat is fixed with a second robotic arm. The output end of the lead screw mechanism is fixed with a first robotic arm. Arc-shaped clamping claws are arranged at the output ends of the first robotic arm and the second robotic arm.

[0010] Further, two telescopic cylinders are symmetrically fixed at the bottom of the mounting groove, and locking assemblies are assembled on both telescopic cylinders.

[0011] Further, the locking assembly includes a base plate, a base, a hinge shaft, a locking rod, an arc groove, a limiting shaft, and a top support seat. The base plate is connected to the telescopic cylinder, and a plurality of bases are arranged on the surface of the base plate in a rectangular array. One end of the locking rod is hinged to the bottom of the side wall of the base through the hinge shaft. A limiting shaft is radially assembled in the middle of the locking rod. The other end of the locking rod is assembled with a top support seat. An arc groove is opened at the top of the side wall of the base, and the limiting shaft is slidably assembled in the arc groove.

[0012] A directional assistance method for horizontal directional drilling construction includes the following steps:

[0013] Step 1: Adjust the drilling angle of the horizontal directional drill.

[0014] Step 2: Drive the moving base to the bottom of the horizontal directional drill and adjust the extension lengths of the output ends of the two height adjustment seats, so that the auxiliary support plate supports and adheres to the bottom of the horizontal directional drill, realizing the auxiliary support for the horizontal directional drill.

[0015] Step 3: Drive the gripper driving assembly to drive the gripper assembly to rotate to the feeding position and grab the drilling sub;

[0016] Step 4: Drive the gripper assembly to reset and lower the drilling sub so that the drilling sub is located on the auxiliary positioning seat, so as to use the auxiliary positioning seat to straighten and support the drilling sub;

[0017] Step 5: The horizontal directional drill drives the drilling sub to feed.

[0018] The beneficial effects of using the present invention are:

[0019] 1. The device drives the moving base to move, adjusts the extension lengths of the output ends of the two height adjusting seats, and the auxiliary support plate adheres to the bottom of the horizontal directional drill to achieve the auxiliary support for the horizontal directional drill;

[0020] 2. The auxiliary positioning seat is arranged parallel to the auxiliary support plate, and an inverted trapezoidal groove is formed on the auxiliary positioning seat for adaptively bearing the drilling sub to achieve the straightening and support for the drilling sub;

[0021] 3. The gripper assembly can realize the loading and unloading of the drilling sub, and can also be selectively locked on the drilling sub by using the locking assembly, and the hydraulic cylinder is used to drive the bearing cylinder to move axially to achieve the auxiliary feeding of the drilling sub. Description of the Drawings

[0022] Figure 1 is the structural schematic diagram of the present invention;

[0023] Figure 2 is the structural schematic diagram of the gripper assembly of the present invention;

[0024] Figure 3 is the structural schematic diagram of the gripper driving assembly of the present invention;

[0025] Figure 4 is the structural schematic diagram of the locking assembly of the present invention;

[0026] Figure 5 is the side view structural schematic diagram of the gripper driving assembly of the present invention.

[0027] The reference numerals include: 1 - moving base; 2 - lifting assembly; 3 - auxiliary support plate; 31 - support unit plate; 4 - connecting plate; 5 - auxiliary positioning seat; 6 - gripper drive assembly; 6` - column; 61 - first mounting seat; 62 - second mounting seat; 63 - first base shaft; 64 - second base shaft; 65 - first sliding cylinder; 66 - second sliding cylinder; 67 - connecting arm; 68 - limiting groove; 69 - rotating cylinder; 610 - synchronous pulley; 611 - drive motor; 612 - bearing cylinder; 613 - hydraulic cylinder; 7 - gripper assembly; 71 - first arm body; 72 - adjusting rod; 73 - second arm body; 74 - mounting groove; 75 - top seat; 76 - lead screw mechanism; 77 - first robotic arm; 78 - second robotic arm; 79 - clamping jaw; 710 - telescopic cylinder; 711 - locking assembly; 7111 - base plate; 7112 - base; 7113 - hinge shaft; 7114 - locking rod; 7115 - arc groove; 7116 - limiting shaft; 7117 - top support seat. Detailed implementation manners

[0028] The present invention will be described in detail below with reference to the accompanying drawings.

[0029] Refer to Figures 1 - 5 , an auxiliary device for horizontal directional drilling rig construction, including a moving base 1, a lifting assembly 2, an auxiliary support plate 3, a connecting plate 4, an auxiliary positioning seat 5, a gripper drive assembly 6, and a gripper assembly 7. The fixed end of the lifting assembly 2 is assembled on the upper surface of the moving base 1. The gripper drive assembly 6 is fixedly installed on the moving base 1 through a column 6`. The auxiliary support plate 3 is horizontally assembled on the lifting end of the lifting assembly 2. The auxiliary positioning seat 5 is fixedly installed on the upper surface of the auxiliary support plate 3 through the connecting plate 4. The gripper assembly 7 is assembled on the output end of the gripper drive assembly 6, and the gripper assembly 7 is located directly above the auxiliary positioning seat 5.

[0030] Preferably, as shown in Figure 1 , the auxiliary support plate 3 and the auxiliary positioning seat 5 are coaxially arranged vertically. The connecting plate 4 is located on one side of the auxiliary support plate 3 and the auxiliary positioning seat 5, that is, the front view of the assembled auxiliary support plate 3, the connecting plate 4 and the auxiliary positioning seat 5 is C-shaped, leaving a clearance space for convenient cooperation with the drilling rig.

[0031] Furthermore, the connecting plate 4 is a plate member with adjustable height.

[0032] A groove is axially formed in the middle of the upper surface of the auxiliary positioning seat 5. The groove is an inverted trapezoidal groove or a triangular groove.

[0033] A plurality of support unit plates 31 are detachably fixed on the auxiliary support plate 3 in an array, which improves the adaptability of support on the one hand and also enhances the replaceability on the other hand.

[0034] The gripper driving assembly 6 includes a first mounting base 61, a second mounting base 62, a first base shaft 63, a second base shaft 64, a first sliding cylinder 65, a second sliding cylinder 66, a connecting arm 67, a limiting groove 68, a rotating cylinder 69, a synchronous pulley 610, a driving motor 611, and a bearing cylinder 612. The first mounting base 61 is mounted on the moving base 1 through a column. The top end of the first mounting base 61 is equipped with a first base shaft 63. One end of the second mounting base 62 is assembled on the first mounting base 61 through the first base shaft 63, and the other end of the second mounting base 62 is equipped with a second base shaft 64. The second sliding cylinder 66 is sleeved on the second base shaft 64, and the two are in clearance fit and can slide relative to each other. The first sliding cylinder 65 is assembled on the outer wall of the second sliding cylinder 66 through the connecting arm 67. A rotating cylinder 69 is rotatably arranged outside the second sliding cylinder 66. The driving motor 611 is assembled on the first sliding cylinder 65. A synchronous pulley 610 is coaxially fixed outside the rotating cylinder 69. The synchronous pulley 610 is connected to the driving pulley by a synchronous belt. The driving pulley is coaxially fixed to the output end of the driving motor 611. The output end of the rotating cylinder 69 is the output end of the gripper driving assembly 6. The gripper assembly 7 is assembled on the rotating cylinder 69.

[0035] Preferably, one side of the bearing cylinder 612 abuts against the rotating cylinder 69, and a hydraulic cylinder 613 is assembled between the other side of the bearing cylinder 612 and the second mounting base 62.

[0036] The gripper assembly 7 includes a first arm body 71, an adjusting rod 72, a second arm body 73, a mounting groove 74, a top seat 75, a lead screw mechanism 76, a first robotic arm 77, a second robotic arm 78, and a clamping claw 79. The top of the first arm body 71 is assembled on the output end of the gripper driving assembly 6. The bottom end of the first arm body 71 is hinged to the second arm body 73. The mounting groove 74 is assembled below the second arm body 73. The top seat 75 is embedded in the mounting groove 74. One end of the bottom of the top seat 75 is fixed with a lead screw mechanism 76, and the other end of the bottom of the top seat 75 is fixed with a second robotic arm 78. The output end of the lead screw mechanism 76 is fixed with a first robotic arm 77. Arc-shaped clamping claws 79 are arranged at the output ends of the first robotic arm 77 and the second robotic arm 78.

[0037] Preferably, both the first robotic arm 77 and the second robotic arm 78 have at least four degrees of freedom.

[0038] Two telescopic cylinders 710 are symmetrically fixed at the bottom of the mounting groove 74, and locking assemblies 711 are assembled on both telescopic cylinders 710.

[0039] The locking assembly 711 includes a base plate 7111, a base 7112, a hinge shaft 7113, a locking rod 7114, an arc groove 7115, a limiting shaft 7116 and a top support seat 7117. The base plate 7111 is connected to the telescopic cylinder 710, and a plurality of bases 7112 are arranged in a rectangular array on the surface of the base plate 7111. One end of the locking rod 7114 is hinged to the bottom of the side wall of the base 7112 through the hinge shaft 7113. A limiting shaft 7116 is radially assembled in the middle of the locking rod 7114. A top support seat 7117 is assembled at the other end of the locking rod 7114. An arc groove 7115 is formed at the top of the side wall of the base 7112, and the limiting shaft 7116 is slidably assembled in the arc groove 7115.

[0040] The telescopic cylinder 710 is used to adjust the distance between the two locking assemblies 711 to adapt to drilling subs of different specifications and sizes. A screw is assembled on the limiting shaft 7116. Tightening the screw can lock the limiting shaft 7116 and fix the angle of the locking rod 7114. The locking rod 7114 is a telescopic rod. When the locking rod 7114 extends along its inclined direction, it can clamp and fix the drilling sub located on the auxiliary positioning seat 5.

[0041] A directional assistance method for horizontal directional drilling rig construction specifically includes the following steps:

[0042] Step 1: Adjust the drilling angle of the horizontal directional drilling rig;

[0043] Step 2: Drive the moving base 1 to move to the bottom of the horizontal directional drilling rig, and adjust the height of the auxiliary support plate 3 by adjusting the lifting assembly 2 so that the auxiliary support plate 3 supports and adheres to the bottom surface of the horizontal directional drilling rig to achieve auxiliary support for the horizontal directional drilling rig;

[0044] Step 3: Use the drive motor 611 to drive the rotating drum 69 to rotate, drive the gripper assembly 7 to rotate to the feeding position of the drilling sub, and use the clamping claws 79 to grab the drilling sub;

[0045] Step 4: Drive the gripper assembly 7 to reset and lower the drilling sub so that the drilling sub is located on the auxiliary positioning seat 5 to facilitate the straightening and support of the drilling sub by the auxiliary positioning seat 5;

[0046] Step 5: The horizontal directional drilling rig drives the drilling sub to feed;

[0047] Optionally, use the locking assembly 711 to lock the drilling sub, and use the hydraulic cylinder to drive the bearing cylinder 612 to move axially, thereby realizing the auxiliary feeding of the drilling sub.

[0048] The above content is only a preferred embodiment of the present invention. For those of ordinary skill in the art, many changes can be made in the specific implementation manners and application scopes according to the idea of the present invention. As long as these changes do not depart from the concept of the present invention, they all fall within the protection scope of the present invention.

Claims

1. An auxiliary device for horizontal directional drilling rig construction, characterized in that: Including a mobile base, a lifting assembly, an auxiliary support plate, a connecting plate, an auxiliary positioning seat, a gripper driving assembly, and a gripper assembly. The fixed end of the lifting assembly is assembled on the upper surface of the mobile base. The gripper driving assembly is fixedly installed on the mobile base through a column. The auxiliary support plate is horizontally assembled on the lifting end of the lifting assembly. The auxiliary positioning seat is fixedly installed on the upper surface of the auxiliary support plate through the connecting plate. The gripper assembly is assembled on the output end of the gripper driving assembly, and the gripper assembly is located directly above the auxiliary positioning seat; In the middle of the upper surface of the auxiliary positioning seat, an inverted trapezoidal groove is axially provided; The gripper driving assembly includes a first mounting seat, a second mounting seat, a first base shaft, a second base shaft, a first sliding cylinder, a second sliding cylinder, a connecting arm, a limiting groove, a rotating cylinder, a synchronous pulley, a driving motor, and a bearing cylinder. The first mounting seat is installed on the mobile base through a column. The top end of the first mounting seat is assembled with the first base shaft. One end of the second mounting seat is assembled on the first mounting seat through the first base shaft, and the other end of the second mounting seat is assembled with the second base shaft. The second sliding cylinder is sleeved on the second base shaft, and the two are in clearance fit and can slide relative to each other. The first sliding cylinder is assembled on the outer wall of the second sliding cylinder through the connecting arm. A rotating cylinder is rotatably arranged outside the second sliding cylinder. The driving motor is assembled on the first sliding cylinder. A synchronous pulley is coaxially fixed outside the rotating cylinder. The synchronous pulley is connected to the driving pulley by a synchronous belt. The driving pulley is coaxially fixed to the output end of the driving motor. The output end of the rotating cylinder is the output end of the gripper driving assembly. The gripper assembly is assembled on the rotating cylinder.

2. The auxiliary device for horizontal directional drilling rig construction according to claim 1, characterized in that: A plurality of support unit plates are detachably fixed in an array on the auxiliary support plate.

3. The auxiliary device for horizontal directional drill construction according to claim 1, characterized in that: The gripper assembly includes a first arm body, an adjusting rod, a second arm body, a mounting groove, a top seat, a lead screw mechanism, a first robotic arm, a second robotic arm, and a clamping claw. The top of the first arm body is assembled on the output end of the gripper driving assembly. The bottom end of the first arm body is hinged to the second arm body. The mounting groove is assembled below the second arm body. The top seat is embedded in the mounting groove. One end of the bottom of the top seat is fixed with a lead screw mechanism, and the other end of the bottom of the top seat is fixed with a second robotic arm. The output end of the lead screw mechanism is fixed with a first robotic arm. Arc-shaped clamping claws are arranged at the output ends of the first robotic arm and the second robotic arm.

4. An auxiliary device for horizontal directional drilling rig construction according to claim 3, characterized in that: Two telescopic cylinders are symmetrically fixed at the bottom of the mounting groove, and locking assemblies are assembled on both telescopic cylinders.

5. The auxiliary device for horizontal directional drill construction according to claim 4, characterized in that: The locking assembly includes a base plate, a base, a hinge shaft, a locking rod, an arc groove, a limiting shaft, and a top support seat. The base plate is connected to the telescopic cylinder, and a plurality of bases are arranged on the surface of the base plate in a rectangular array. One end of the locking rod is hinged to the bottom of the side wall of the base through the hinge shaft. A limiting shaft is radially assembled in the middle of the locking rod. The other end of the locking rod is assembled with the top support seat. An arc groove is opened at the top of the side wall of the base, and the limiting shaft is slidably assembled in the arc groove.

6. A directional assistance method for horizontal directional drilling rig construction, which applies the auxiliary device for horizontal directional drilling rig construction described in claim 1, characterized in that, Including the following steps: Step 1: Adjust the drilling angle of the horizontal directional drill; Step 2: Drive the mobile base to the bottom of the horizontal directional drill, and adjust the extension lengths of the output ends of the two height adjustment seats, so that the auxiliary support plate supports and adheres to the bottom of the horizontal directional drill, realizing the auxiliary support for the horizontal directional drill; Step 3: Drive the gripper driving component to drive the gripper component to rotate to the feeding position and grab the drilling sub; Step 4: Drive the gripper component to reset and lower the drilling sub so that the drilling sub is located on the auxiliary positioning seat, so as to use the auxiliary positioning seat to straighten and support the drilling sub; Step 5: The horizontal directional drill drives the drilling sub to feed.

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