Auxiliary butt joint device of petroleum drilling rotating rod
By designing a centering and adjustment structure for the movable base and rollers, the problem that existing oil drilling rod auxiliary docking devices cannot adapt to rods of different diameters has been solved, achieving efficient and stable rod docking and improving overall assembly quality and work efficiency.
Patent Information
- Application Number
- CN202521214363.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-13
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-06-13
AI Technical Summary
Existing oil drilling pipe auxiliary docking devices cannot adaptively adapt to pipes of different diameters, resulting in the need for repeated adjustments of the positioning clamps during pipe docking, making it impossible to achieve the desired position in one go and affecting docking efficiency.
An auxiliary docking device was designed, comprising a movable base, rollers, a positioning mechanism, a lifting mechanism, and a cylinder. The cylinder pushes the push block to drive the rollers for centering adjustment, adapting to the clamping requirements of rotating rods of different diameters and achieving automatic centering and clamping.
It improves the accuracy and stability of the rotating rod docking, simplifies the operation process, reduces the complexity of manual adjustment, and significantly improves work efficiency, making it suitable for high-precision industrial scenarios.
Smart Images

Figure CN223952616U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of oil drilling, especially to the auxiliary butt joint device of oil drilling rotary rod. BACKGROUND
[0002] The auxiliary butt joint device of oil drilling rotary rod is a device for simplifying the connection process of drill rods, which helps the operator to quickly align and connect the drill rod threads through accurate positioning and stable clamping, reduces manual intervention, improves operation efficiency and safety, such device can reduce labor intensity, avoid thread damage, and adapt to harsh downhole environment, and is widely used in complex drilling scenes such as deep well and horizontal well.
[0003] The existing auxiliary butt joint device of oil drilling rotary rod has obvious limitations, and its fixed structure cannot adapt to rotary rods of different diameters. In actual operation, due to the difference in the diameter of the rotary rod, the operator has to repeatedly adjust the position and clamping force of the positioning clamp, which not only increases the preparation time before butt joint, but also easily causes positioning deviation due to repeated adjustment. This design defect makes it impossible to achieve one-time accurate positioning during the butt joint process of the rotary rod, which seriously affects the overall efficiency of the drilling operation. Especially in the operation scene where the rotary rod needs to be frequently replaced, a lot of time is spent on clamp adjustment during each butt joint, which not only reduces the work efficiency, but also increases the labor intensity of the operator.
[0004] Therefore, in view of the problem that the existing auxiliary butt joint device of oil drilling rotary rod cannot adapt to rotary rods of different diameters during use, resulting in the need to repeatedly adjust the positioning clamp during the butt joint of the rotary rod and the inability to be in place at one time, affecting the butt joint efficiency, a kind of auxiliary butt joint device of oil drilling rotary rod can be designed. SUMMARY
[0005] In order to overcome the problem that the existing auxiliary butt joint device of oil drilling rotary rod cannot adapt to rotary rods of different diameters during use, resulting in the need to repeatedly adjust the positioning clamp during the butt joint of the rotary rod and the inability to be in place at one time, affecting the butt joint efficiency.
[0006] The utility model discloses a technical scheme for an auxiliary butt joint device of a petroleum drilling rotary rod, comprising a movable base, a roller, a positioning mechanism arranged on the movable base, a lifting mechanism arranged on the top left side of the movable base, a mounting seat arranged on the lifting mechanism, a cylinder connected to the right side of the mounting seat, a push block fixed to the output end of the cylinder, the cylinder being used to drive the push block to move left and right, two first positioning shafts installed on the upper side of the mounting seat, side clamping jaws rotatably connected to the outer sides of the two first positioning shafts, a second positioning shaft installed on the top of each of the two side clamping jaws, linkage blocks rotatably connected to the outer sides of the two second positioning shafts, a third positioning shaft installed on the top of the push block, the linkage blocks being rotatably connected to the third positioning shaft, two fourth positioning shafts arranged on the top of the mounting seat, the linkage blocks being rotatably connected to the fourth positioning shafts, and the push block and the left ends of the two side clamping jaws each being rotatably connected to a roller.
[0007] Preferably, the cylinder is arranged to drive the push block to slide left and right inside the mounting seat when in operation, the two third positioning shafts are driven to move synchronously when the push block moves right, the third positioning shafts slide along the slots of the linkage blocks, an outward pushing force is applied to the linkage blocks, the linkage blocks are rotated around the fourth positioning shafts, the linkage blocks are cooperated with the second positioning shafts when rotating, the side clamping jaws are expanded outward around the first positioning shafts, and the three rollers are adjusted in center, so as to adapt to rotary rods of different diameters, and the problem that the existing auxiliary butt joint device of the petroleum drilling rotary rod cannot adapt to rotary rods of different diameters when in use, the positioning clamp needs to be repeatedly adjusted when the rotary rods are butt jointed, and the butt joint efficiency is affected is solved.
[0008] Preferably, the positioning mechanism comprises a support assembly and a counterweight assembly, the support assembly is used to support the whole device, and the counterweight assembly is used to balance the weight of the device.
[0009] Preferably, the support assembly comprises a sleeve, an adjusting screw and a gasket, the four sides of the bottom of the movable base are each provided with a sleeve, the inside of the sleeve is threadedly connected with the adjusting screw, and the bottom of the adjusting screw is provided with the gasket.
[0010] Preferably, the counterweight assembly comprises a counterweight box and a counterweight block, the right side of the top of the movable base is provided with the counterweight box, and the counterweight block is placed in the inside of the counterweight box.
[0011] Preferably, the lifting mechanism comprises a driving assembly and a mounting assembly, the driving assembly is used to drive the mounting seat to lift, and the mounting assembly is used to support the mounting seat.
[0012] Preferably, the driving assembly comprises a mounting frame, a driving motor, a lead screw and a moving seat, the left side of the top of the movable base is provided with the mounting frame, the inside bottom surface of the mounting frame is installed with the driving motor, the output end of the driving motor is connected with the lead screw, the top of the lead screw is rotatably connected with the inside top surface of the mounting frame, and the outside of the lead screw is threadedly connected with the moving seat.
[0013] Preferably, the mounting assembly comprises a fixed platform and a support rod, the left side of the moving base is provided with the fixed platform, and the bottom of the fixed platform is provided with two support rods fixedly connected with the moving base.
[0014] The utility model discloses the beneficial effects of:
[0015] Through the centering adjusting structure of the three rollers, the clamping demand of different diameter rotating rods can be effectively adapted, the versatility and flexibility of the equipment are significantly improved, the high-precision positioning of the rotating rod during butt joint installation is ensured, the installation error caused by the center deviation is avoided, the overall assembly quality is improved, at the same time, the centering clamping function reduces the vibration and deviation of the rotating rod during the operation process, enhances the working stability, prolongs the service life of the equipment, in addition, this structure simplifies the operation process, reduces the complexity of manual adjustment, significantly improves the working efficiency, is suitable for the industrial scene of high-precision requirement, provides reliable guarantee for automatic production. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The utility model discloses a three -dimensional structure schematic diagram of the utility model is shown as the following figure:
[0017] Figure 2 The utility model discloses a three -dimensional structure schematic diagram of the utility model is shown as the following figure:
[0018] Figure 3 The utility model discloses a three -dimensional structure schematic diagram of the utility model is shown as the following figure:
[0019] Figure 4 The utility model discloses a three -dimensional structure schematic diagram of the utility model is shown as the following figure:
[0020] Figure 5 The utility model discloses a three -dimensional structure schematic diagram of the utility model is shown as the following figure.
[0021] The utility model discloses a three -dimensional structure schematic diagram of the utility model is shown as the following figure: 1, moving base, 21, sleeve, 22, adjusting screw, 23, gasket, 24, counterweight box, 25, counterweight, 31, mounting frame, 32, drive motor, 33, screw, 34, moving seat, 35, fixed platform, 36, support rod, 4, mounting seat, 5, air cylinder, 6, push block, 7, first positioning shaft, 8, side clamping jaw, 9, second positioning shaft, 10, linkage block, 11, third positioning shaft, 12, fourth positioning shaft, 13, roller. DETAILED DESCRIPTION
[0022] The utility model will be further explained in connection with the drawings and examples.
[0023] Please refer to Figures 1-5The utility model provides an embodiment: petroleum drilling rotary rod's auxiliary butt joint device, including mobile base 1, still including gyro wheel 13, mobile base 1 is provided with positioning mechanism, the top left side of mobile base 1 is provided with elevating system, be provided with mounting seat 4 on elevating system, the right side of mounting seat 4 is connected with cylinder 5, the output of cylinder 5 is fixed with push piece 6, cylinder 5 is used for driving push piece 6 left and right movement, the upside of mounting seat 4 is installed with two first positioning shaft 7, the outside of two first positioning shaft 7 is all rotatably connected with side jaw 8, the top of two side jaw 8 is all installed with second positioning shaft 9, the outside of two second positioning shaft 9 is all rotatably connected with linkage block 10, the top of push piece 6 is installed with third positioning shaft 11, linkage block 10 is rotatably connected with third positioning shaft 11, the top of mounting seat 4 is provided with two fourth positioning shaft 12, linkage block 10 is rotatably connected with fourth positioning shaft 12, push piece 6 and the left end of two side jaw 8 are all rotatably connected with gyro wheel 13, drive through cylinder 5, when operating, cylinder 5 output end promotes push piece 6 along mounting seat 4 inside left and right sliding, when push piece 6 moves to the right, will drive two third positioning shaft 11 synchronous displacement, third positioning shaft 11 moves along the guide groove of linkage block 10 at this moment, exerts radial push on linkage block 10, promotes linkage block 10 to generate rotary motion around fourth positioning shaft 12, linkage block 10 rotates in the process through the cooperation with second positioning shaft 9, drive side jaw 8 radial expansion movement around first positioning shaft 7, finally realize three gyro wheel 13 synchronous center position adjustment, to adapt to the clamping demand of different diameter rotary rod.
[0024] Please refer to Figure 1 and Figure 5 In the embodiment, the positioning mechanism comprises a support assembly and a counterweight assembly, the support assembly is used for supporting the whole device, and the counterweight assembly is used for balancing the counterweight of the device. The support assembly comprises a sleeve 21, an adjusting screw 22 and a gasket 23. The four sides of the bottom of the mobile base 1 are provided with the sleeves 21. The adjusting screws 22 are threadedly connected in the sleeves 21. The bottom of the adjusting screw 22 is provided with the gasket 23. By arranging the adjusting screw 22, when the adjusting screw 22 is rotated, the gasket 23 can be brought into contact with the ground, so that the friction between the gasket 23 and the ground is relied on to limit the movement of the whole device. The counterweight assembly comprises a counterweight box 24 and a counterweight block 25. The right side of the top of the mobile base 1 is provided with the counterweight box 24. The counterweight block 25 is placed in the counterweight box 24. By arranging the counterweight block 25, the weight of the left side of the upper part of the mobile base 1 can be balanced, and the stability of the whole device is improved.
[0025] Please refer to Figures 1-3In the embodiment, the lifting mechanism comprises a driving assembly and a mounting assembly. The driving assembly is used to drive the mounting base 4 to lift, and the mounting assembly is used to support the mounting base 4. The driving assembly comprises a mounting frame 31, a driving motor 32, a screw rod 33 and a moving base 34. The mounting frame 31 is arranged on the top left side of the moving base 1. The driving motor 32 is arranged on the inner bottom surface of the mounting frame 31. The output end of the driving motor 32 is connected with the screw rod 33. The top of the screw rod 33 is rotationally connected with the inner top surface of the mounting frame 31. The moving base 34 is threadedly connected with the outer side of the screw rod 33. The driving motor 32 is arranged to drive the screw rod 33 to rotate during operation. The screw rod 33 drives the moving base 34 to lift when rotating, so as to adjust the height of the mounting base 4. The mounting assembly comprises a fixed platform 35 and a support rod 36. The fixed platform 35 is arranged on the left side of the moving base 34. Two support rods 36 are arranged on the bottom of the fixed platform 35. The support rods 36 are fixedly connected with the moving base 34. The fixed platform 35 and the support rods 36 are arranged to provide mounting space for fixing the mounting base 4. The support rods 36 can improve the stability of the fixed platform 35.
[0026] During operation, the device is moved to a position by the moving base 1. The adjusting screw rod 22 on the four sides of the bottom is rotated to make the gasket 23 tightly press the ground to fix the device. At the same time, the counterweight block 25 in the counterweight box 24 balances the weight on the left side to keep stable. Then, the driving motor 32 in the mounting frame 31 drives the screw rod 33 to rotate, and drives the moving base 34 to lift. The moving base 34 drives the fixed platform 35 and the mounting base 4 and all components thereon to lift together through the support rod 36. The roller 13 is adjusted to a suitable height of the rotating rod. Finally, the push block 6 is pushed to move to the right in the mounting base 4 by the cylinder 5, and drives the third positioning shaft 11 on the top to move. The shaft slides in the notch of the linkage block 10 and forces the linkage block 10 to rotate outward around the fourth positioning shaft 12 on the top of the mounting base 4. The rotating linkage block 10 drives the two side clamping jaws 8 to rotate outward and expand around the first positioning shaft 7 on the mounting base 4 through the second positioning shaft 9, so that the three rollers 13 connected to the ends of the side clamping jaws 8 and the push block 6 are synchronously moved radially. The device realizes automatic centering and clamping of the petroleum drilling rotating rod with different diameters, and assists in completing the butt joint.
[0027] Through the above steps, by setting the cylinder 5, the cylinder 5 piston rod extends, pushes the push block 6 to slide right in the mounting seat 4 guide groove, the push block 6 drives two third positioning shafts 11 to move right synchronously through rigid connection, makes the third positioning shaft 11 move along the inclined slot of the linkage block 10, due to the effect of the inclined surface of the slot, the movement of the third positioning shaft 11 is converted into the thrust force to the linkage block 10, forces the linkage block 10 to rotate with the fourth positioning shaft 12 as the fulcrum, the rotation of the linkage block 10 converts the rotary motion into the radial displacement of the side jaw 8 through the cooperation of the curve profile on it and the second positioning shaft 9, so that the three rollers 13 expand outward or shrink inward synchronously, complete the automatic centering and clamping of the different diameter rotating rods, so as to solve the problem that the existing auxiliary butt joint device of the oil drilling rotating rod cannot adapt to different diameter rotating rods during use, resulting in the need to repeatedly adjust the positioning clamp during the butt joint of the rotating rod, which cannot be in place at one time, affecting the butt joint efficiency.
Claims
1. Auxiliary butt joint device for petroleum drilling rotary rod, comprising a mobile base (1); characterized in that: Also include the scroll (13), the mobile base (1) is provided with a positioning mechanism, the top left side of the mobile base (1) is provided with a lifting mechanism, the lifting mechanism is provided with a mounting seat (4), the right side of the mounting seat (4) is connected with the cylinder (5), the output end of the cylinder (5) is fixed with the push block (6), the cylinder (5) is used to drive the push block (6) to move left and right, the upper side of the mounting seat (4) is installed with two first positioning shafts (7), the outer side of the two first positioning shafts (7) is rotatably connected with the side clamping jaw (8), the top of the two side clamping jaws (8) is installed with the second positioning shaft (9), the outer side of the two second positioning shafts (9) is rotatably connected with the linkage block (10), the top of the push block (6) is installed with the third positioning shaft (11), the linkage block (10) is rotatably connected with the third positioning shaft (11), the top of the mounting seat (4) is provided with two fourth positioning shafts (12), the linkage block (10) is rotatably connected with the fourth positioning shaft (12), the push block (6) and the left end of the two side clamping jaws (8) are rotatably connected with the scroll (13).
2. The auxiliary butt-joining device for a petroleum drilling swivel rod according to claim 1, characterized in that: The positioning mechanism comprises a support assembly and a counterweight assembly, the support assembly is used for supporting the whole device, and the counterweight assembly is used for balancing the device counterweight.
3. The auxiliary butt-joining device for a petroleum drilling swivel rod according to claim 2, characterized in that: The support assembly comprises a sleeve (21), an adjusting screw (22) and a gasket (23), the bottom four sides of the mobile base (1) are provided with the sleeve (21), the inside of the sleeve (21) is threadedly connected with the adjusting screw (22), and the bottom of the adjusting screw (22) is provided with the gasket (23).
4. The auxiliary butt-joining device for a petroleum drilling swivel rod according to claim 2, characterized in that: The counterweight assembly comprises a counterweight box (24) and a counterweight block (25), the right side of the top of the mobile base (1) is provided with the counterweight box (24), and the inside of the counterweight box (24) is placed with the counterweight block (25).
5. The auxiliary butt-joining device for a petroleum drilling swivel rod according to claim 1, characterized in that: The lifting mechanism comprises a driving assembly and a mounting assembly, the driving assembly is used for driving the mounting seat (4) to lift, and the mounting assembly is used for supporting the mounting seat (4).
6. The auxiliary butt-joining device for a petroleum drilling swivel rod according to claim 5, characterized in that: The driving assembly comprises an installation frame (31), a driving motor (32), a lead screw (33) and a moving seat (34), the left side of the top of the mobile base (1) is provided with the installation frame (31), the inside bottom surface of the installation frame (31) is installed with the driving motor (32), the output end of the driving motor (32) is connected with the lead screw (33), the top of the lead screw (33) is rotatably connected with the inside top surface of the installation frame (31), and the outside of the lead screw (33) is threadedly connected with the moving seat (34).
7. The auxiliary butt-joining device for a petroleum drilling swivel rod according to claim 6, characterized in that: The mounting assembly comprises a fixed platform (35) and a support rod (36), the left side of the moving seat (34) is provided with the fixed platform (35), and the bottom of the fixed platform (35) is installed with two support rods (36), and the support rod (36) is fixedly connected with the moving seat (34).