Quick-assembly clamping device for oil field drill bit assembly

Abstract

The utility model relates to the technical field of drill bit assembly, and discloses a fast-assembly clamping device for oil field drill bit assembly, which comprises a drill bit, a fixing block, a connecting block, a sleeve rod and an assembly rod, the fixing block is located at the top of the drill bit, the connecting block is located at the top of the fixing block and is attached to the surface of the fixing block, and the sleeve rod is connected with the sleeve rod. The sleeve rod is located at the top of the connecting block and fixedly connected with the top of the connecting block, the assembling rod is located in an inner cavity of the sleeve rod and movably connected with the inner cavity of the sleeve rod, and a containing groove is formed in an inner cavity of the fixing block. The problems that in the assembly process of the oil field drill bit, more connecting structures and fixing structures need to be consumed, more time and energy of a user are consumed, and then the oil field drill bit and output equipment can be stably connected; due to the fact that the assembling process of the oil field drill bit is tedious, a user cannot conveniently and rapidly assemble the oil field drill bit.

Description

Technical Field

[0001] The utility model belongs to the technical field of drill bit assembly, in particular to a quick-assembly clamping device for oil field drill bit assembly. Background Art

[0002] An oilfield drill bit is a tool used to drill underground rocks in oilfield exploration and production. It is usually made of steel, has a solid structure and sharp cutting parts, and is able to cut and break in underground rocks and convert them into small pieces for easy extraction. The oilfield drill bit plays a key role in the oil well drilling process, and its design and use directly affect the efficiency and cost of drilling.

[0003] During the exploration and exploitation of oil fields, oilfield drill bits can penetrate underground rock layers by rotation and applied pressure to form wellbores for oil wells or natural gas wells, and the sharp cutting parts of the oilfield drill bits can cut and break underground rocks into small pieces, which are convenient for extraction from the wellbore and subsequent processing. The oilfield drill bits will collect geological samples during the drilling process, which can be used to evaluate the characteristics of the formation, the quality and distribution of oil and gas resources. Through drilling and geological sample analysis, the oilfield drill bits can help determine the potential of oil reservoirs, including information on oil and gas reserves, production and recoverability. In general, oilfield drill bits play a vital role in oilfield exploration and exploitation, and their performance and use effects directly affect the success of oilfield development. The problems with the above technology are: in the process of assembling the oilfield drill bits, it is necessary to consume more connecting structures and fixing structures and consume more time and energy of the user before the oilfield drill bits can be firmly connected to the output device. Because the assembly process of the oilfield drill bits is relatively cumbersome, it is not convenient for users to quickly assemble the oilfield drill bits. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a quick-install clamping device for assembling an oilfield drill bit, which can overcome the above problems or at least partially solve the above problems.

[0005] The utility model is realized in this way: a quick-install clamping device for assembling an oilfield drill bit comprises a drill bit, a fixing block, a connecting block, a sleeve rod and an assembling rod, wherein the fixing block is located at the top of the drill bit, the connecting block is located at the top of the fixing block and fits with the surface of the fixing block, the sleeve rod is located at the top of the connecting block and is fixedly connected to the top of the connecting block, the assembling rod is located in the inner cavity of the sleeve rod and is movably connected to the inner cavity of the sleeve rod, a placement groove is provided in the inner cavity of the fixing block; a positioning mechanism used in conjunction with the drill bit is provided in the inner cavity of the placement groove; and a transmission mechanism used in conjunction with the positioning mechanism is provided in the inner cavity of the placement groove.

[0006] In order to improve the convenience of assembly of the drill bit, preferably, the positioning mechanism includes two positioning rods, and the two positioning rods are respectively located on the left and right sides of the inner cavity of the placement slot, and pull rods are fixedly connected at the opposite ends of the two positioning rods. A movable groove is provided on the front side of the pull rod. By setting the positioning mechanism, the positioning rod can achieve the effect of quickly combining the drill bit and the assembly rod through the mutual cooperation of the fixed block and the connecting block, thereby improving the quick installation effect of the drill bit and the output device.

[0007] In order to improve the mobility of the positioning mechanism, preferably, the transmission mechanism includes a servo motor, a turntable is fixedly connected to the output end of the rear side of the servo motor, the rear side of the turntable is movably connected to a support rod through a rotating shaft, the rear side of the support rod is fixedly connected to the inner wall of the placement groove, and the left and right sides of the turntable are fixedly connected with traction rods, and the rear surface of the traction rod is in contact with the inner cavity of the movable groove. By setting up the transmission mechanism, the servo motor can achieve the function of quickly driving the pull rod and the positioning rod to move through the movable groove through the mutual cooperation of the turntable and the traction rod, so as to facilitate the user to quickly assemble and disassemble the drill bit and improve the use efficiency of the drill bit.

[0008] In order to improve the movement stability of the transmission mechanism, preferably, the top and bottom of the pull rod are fixedly connected with a movable plate, the inner cavity of the movable plate is movably connected to a limit rod, and the side of the limit rod close to the inner wall of the placement groove is fixedly connected to the inner wall of the placement groove. By setting the movable plate and the limit rod, the limit rod can assist the pull rod and the positioning rod to move stably through the movable plate, thereby avoiding the deviation of the pull rod and the positioning rod during the movement.

[0009] In order to improve the adjustment convenience of the assembly rod, preferably, the front side of the sleeve rod is connected with a positioning pin through a thread, and the front side of the assembly rod is provided with a plug-in slot, the number of the plug-in slots is multiple and evenly distributed on the front side of the assembly rod, and the rear side of the positioning pin passes through the sleeve rod and extends to the inner cavity of the plug-in slot. By setting the positioning pin and the plug-in slot, the positioning pin can cooperate with the plug-in slot to quickly adjust the connection length of the sleeve rod and the assembly rod.

[0010] In order to improve the docking effect of the positioning rod, preferably, connecting holes are opened on the left and right sides of the fixing block, and positioning grooves are opened on the left and right sides of the inner cavity of the connecting block. The opposite sides of the two positioning rods pass through the connecting holes and extend to the inner cavity of the positioning groove. By setting the connecting holes and the positioning grooves, the connecting holes can enable the positioning rod to be quickly docked with the positioning grooves.

[0011] In order to improve the installation convenience of the servo motor, preferably, the bottom of the servo motor is fixedly connected with a fixing plate, and the bottom of the fixing plate is fixedly connected to the inner wall of the placement groove by bolts. By setting the fixing plate, the fixing plate can facilitate the user to quickly install the servo motor.

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

[0013] The utility model provides a drill bit, a fixed block, a connecting block, a sleeve rod, an assembly rod, a placement slot, a positioning mechanism and a transmission mechanism, and starts a servo motor. The servo motor drives the turntable to rotate through its output end, and the turntable ensures its own rotation stability through the support rod during the rotation, and drives the traction rod to rotate. The traction rod drives the pull rod to move through the track of the movable slot during the rotation, and the pull rod drives the positioning rod to move while moving. After the positioning rod moves to a suitable position, the drill bit is docked with the connecting block. During the docking process, the fixed block needs to be fitted with the connecting block. After the connection is completed, the servo motor is started again to make the output end of the servo motor rotate in the opposite direction, so as to achieve the effect of quickly resetting the positioning rod through the movable groove and the pull rod through the cooperation of the turntable and the traction rod, and the positioning rod will be inserted into the inner cavity of the positioning groove during the resetting process, so as to achieve the effect of quickly assembling the drill bit. After the drill bit is assembled, the positioning pin is rotated to disengage the positioning pin from the inner cavity of the plug-in groove, and then the assembly rod is pulled for adjustment. After the assembly rod is adjusted to the appropriate position, the positioning pin is rotated in the opposite direction to insert the positioning pin into the inner cavity of the plug-in groove, so as to achieve the effect of quickly adjusting the installation position of the drill bit. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of a three-dimensional structure provided by an embodiment of the utility model;

[0015] Figure 2 The embodiment of the utility model provides a three-dimensional cross-sectional view;

[0016] Figure 3 It is a schematic diagram of adjusting the assembly rod provided by the embodiment of the utility model;

[0017] Figure 4 It is a schematic diagram of the connection of the internal structure of the placement slot provided by the embodiment of the utility model;

[0018] Figure 5 The utility model embodiment provides Figure 2 A partial enlarged view of point A in the middle.

[0019] In the figure: 1. drill bit; 2. fixed block; 3. connecting block; 4. sleeve rod; 5. assembly rod; 6. placement slot; 7. positioning mechanism; 8. transmission mechanism; 701. positioning rod; 702. pull rod; 703. movable slot; 801. servo motor; 802. turntable; 803. support rod; 804. traction rod; 9. movable plate; 10. limit rod; 11. positioning pin; 12. plug-in slot; 13. connecting hole; 14. positioning slot; 15. fixed plate. DETAILED DESCRIPTION

[0020] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0021] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0022] like Figures 1 to 5As shown, an embodiment of the utility model provides a quick-install clamping device for assembling an oilfield drill bit, comprising a drill bit 1, a fixed block 2, a connecting block 3, a sleeve rod 4 and an assembly rod 5, wherein the fixed block 2 is located at the top of the drill bit 1, the connecting block 3 is located at the top of the fixed block 2 and fits with the surface of the fixed block 2, the sleeve rod 4 is located at the top of the connecting block 3 and is fixedly connected to the top of the connecting block 3, the assembly rod 5 is located in the inner cavity of the sleeve rod 4 and is movably connected to the inner cavity of the sleeve rod 4, and the inner cavity of the fixed block 2 is provided with a placement groove 6; the inner cavity of the placement groove 6 is provided with a positioning mechanism 7 used in conjunction with the drill bit 1;The inner cavity of the placement groove 6 is provided with a transmission mechanism 8 used in conjunction with the positioning mechanism 7. The positioning mechanism 7 includes two positioning rods 701, and the two positioning rods 701 are respectively located on the left and right sides of the inner cavity of the placement groove 6. The opposite ends of the two positioning rods 701 are fixedly connected with a pull rod 702, and the front side of the pull rod 702 is provided with a movable groove 703. By setting the positioning mechanism 7, the positioning rod 701 can achieve the effect of quickly combining the drill bit 1 with the assembly rod 5 through the mutual cooperation of the fixed block 2 and the connecting block 3, thereby improving the quick installation effect of the drill bit 1 and the output device. The transmission mechanism 8 includes a servo motor 801, and the output end of the servo motor 801 is fixedly connected with a turntable 802, and the rear side of the turntable 802 is connected to the output end of the servo motor 801. A support rod 803 is movably connected to the rotating shaft, and the rear side of the support rod 803 is fixedly connected to the inner wall of the placement groove 6. The left and right sides of the rotating disk 802 are fixedly connected with traction rods 804. The rear surface of the traction rod 804 contacts the inner cavity of the movable groove 703. By setting the transmission mechanism 8, the servo motor 801 can cooperate with the rotating disk 802 and the traction rod 804 to quickly drive the pull rod 702 and the positioning rod 701 to move through the movable groove 703, so as to facilitate the user to quickly assemble and disassemble the drill bit 1 and improve the use efficiency of the drill bit 1. The top and bottom of the pull rod 702 are fixedly connected to the movable plate 9, and the inner cavity of the movable plate 9 is movably connected to the limit rod 10. The limit rod 1 0 is fixedly connected to the inner wall of the placement groove 6 on one side thereof, and by setting the movable plate 9 and the limiting rod 10, the limiting rod 10 plays the role of assisting the pull rod 702 and the positioning rod 701 to move stably through the movable plate 9, thereby avoiding the pull rod 702 and the positioning rod 701 from deviating during the movement. The front side of the sleeve rod 4 is connected with a positioning pin 11 through a thread, and the front side of the assembly rod 5 is provided with a plug-in groove 12. The number of the plug-in grooves 12 is multiple and evenly distributed on the front side of the assembly rod 5. The rear side of the positioning pin 11 passes through the sleeve rod 4 and extends to the inner cavity of the plug-in groove 12. By setting the positioning pin 11 and the plug-in groove 12, the positioning pin 11 plays the role of being able to cooperate with the plug-in groove 12 to achieve The function of quickly adjusting the connection length of the sleeve rod 4 and the assembly rod 5 is that the left and right sides of the fixing block 2 are provided with connection holes 13, and the left and right sides of the inner cavity of the connecting block 3 are provided with positioning grooves 14. The opposite sides of the two positioning rods 701 pass through the connection holes 13 and extend to the inner cavity of the positioning groove 14. By setting the connection holes 13 and the positioning groove 14, the connection holes 13 play a role in enabling the positioning rods 701 to quickly dock with the positioning groove 14. The bottom of the servo motor 801 is fixedly connected with a fixing plate 15, and the bottom of the fixing plate 15 is fixedly connected with the inner wall of the placement groove 6 by bolts. By setting the fixing plate 15, the fixing plate 15 plays a role in facilitating the user to quickly install the servo motor 801. ;

[0023] The working principle of this utility model:

[0024] When in use, start the servo motor 801, the servo motor 801 will drive the turntable 802 to rotate through its own output end, and the turntable 802 will ensure its own rotation stability through the support rod 803 during the rotation, and drive the traction rod 804 to rotate, and the traction rod 804 will drive the pull rod 702 to move through the opening track of the movable groove 703 during the rotation, and the pull rod 702 will drive the positioning rod 701 to move while moving. After the positioning rod 701 moves to the appropriate position, the drill bit 1 is docked with the connecting block 3. During the docking process, the fixing block 2 needs to be fitted with the connecting block 3. After the docking is completed, start the servo motor 801 again to make the servo The output end of the motor 801 rotates in the opposite direction, thereby achieving the mutual cooperation between the turntable 802 and the traction rod 804, and achieving the effect of quickly resetting the positioning rod 701 through the movable groove 703 and the pull rod 702. The positioning rod 701 will be inserted into the inner cavity of the positioning groove 14 during the resetting process, thereby achieving the effect of quickly assembling the drill bit 1. After the drill bit 1 is assembled, the positioning pin 11 is rotated to disengage the positioning pin 11 from the inner cavity of the plug-in groove 12, and then the assembly rod 5 is pulled for adjustment. After the assembly rod 5 is adjusted to the appropriate position, the positioning pin 11 is rotated in the opposite direction to insert the positioning pin 11 into the inner cavity of the plug-in groove 12, thereby achieving the effect of quickly adjusting the installation position of the drill bit 1.

[0025] The specific models and specifications of the drill bit 1, assembly rod 5, servo motor 801 and positioning pin 11 proposed in this application need to be selected and determined according to the actual specifications of the device, etc. The specific selection calculation method adopts the existing technology in this field, so it will not be described in detail.

[0026] The circuit connection method and control method of the servo motor 801 proposed in this application are both existing technologies in this field, so they will not be described in detail.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] The above description is only a preferred embodiment of the utility model, and does not constitute any form of limitation to the utility model. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent will not depart from the scope of the technical solution of the utility model.

Claims

1. A quick-install clamping device for assembling an oilfield drill bit, comprising a drill bit (1), a fixing block (2), a connecting block (3), a sleeve rod (4) and an assembly rod (5), characterized in that: The fixing block (2) is located at the top of the drill bit (1); the connecting block (3) is located at the top of the fixing block (2) and is in contact with the surface of the fixing block (2); the sleeve rod (4) is located at the top of the connecting block (3) and is fixedly connected to the top of the connecting block (3); the assembly rod (5) is located in the inner cavity of the sleeve rod (4) and is movably connected to the inner cavity of the sleeve rod (4); and the inner cavity of the fixing block (2) is provided with a placement groove (6); The inner cavity of the placement groove (6) is provided with a positioning mechanism (7) for use with the drill bit (1); The inner cavity of the placement groove (6) is provided with a transmission mechanism (8) used in conjunction with the positioning mechanism (7).

2. A quick-release clamping device for assembling an oilfield drill bit as claimed in claim 1, characterized in that: The positioning mechanism (7) comprises two positioning rods (701), the two positioning rods (701) are respectively located on the left and right sides of the inner cavity of the placement slot (6), and the opposite ends of the two positioning rods (701) are fixedly connected to a pull rod (702), and a movable slot (703) is provided on the front side of the pull rod (702).

3. A quick-install clamping device for assembling an oilfield drill bit as claimed in claim 2, characterized in that: The transmission mechanism (8) comprises a servo motor (801), a rotating disk (802) being fixedly connected to the output end at the rear side of the servo motor (801), a supporting rod (803) being movably connected to the rear side of the rotating disk (802) via a rotating shaft, the rear side of the supporting rod (803) being fixedly connected to the inner wall of the placement groove (6), and the left and right sides of the rotating disk (802) being fixedly connected to traction rods (804), the rear surface of the traction rod (804) being in contact with the inner cavity of the movable groove (703).

4. A quick-install clamping device for assembling an oilfield drill bit as claimed in claim 2, characterized in that: The top and bottom of the pull rod (702) are fixedly connected to a movable plate (9), the inner cavity of the movable plate (9) is movably connected to a limit rod (10), and the limit rod (10) is fixedly connected to the inner wall of the placement groove (6) on one side thereof close to the inner wall of the placement groove (6).

5. The quick-install clamping device for assembling an oilfield drill bit according to claim 1, characterized in that: The front side of the sleeve rod (4) is connected to a positioning pin (11) via a thread, and the front side of the assembly rod (5) is provided with a plug-in slot (12). The plug-in slots (12) are multiple in number and evenly distributed on the front side of the assembly rod (5), and the rear side of the positioning pin (11) passes through the sleeve rod (4) and extends to the inner cavity of the plug-in slot (12).

6. A quick-install clamping device for assembling an oilfield drill bit as claimed in claim 2, characterized in that: The fixing block (2) is provided with connecting holes (13) on both left and right sides, the inner cavity of the connecting block (3) is provided with positioning grooves (14) on both left and right sides, and the opposite sides of the two positioning rods (701) pass through the connecting holes (13) and extend to the inner cavity of the positioning grooves (14).

7. A quick-install clamping device for assembling an oilfield drill bit as claimed in claim 3, characterized in that: A fixing plate (15) is fixedly connected to the bottom of the servo motor (801), and the bottom of the fixing plate (15) is fixedly connected to the inner wall of the placement groove (6) by means of bolts.

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