Auxiliary hanging tongs for oil exploration

Abstract

The invention provides an oil exploration auxiliary hanging clamp which comprises a hanging clamp head, a clamp handle and a steering regulation and control assembly, the hanging clamp head comprises a clamp head support, a long clamp, a short clamp, a hinge clamp and a buckling clamp, and the inner side stress faces of the clamp head support, the long clamp, the short clamp, the hinge clamp and the buckling clamp are each provided with a slip toothed plate assembly groove; a slip toothed plate is connected into the slip toothed plate assembling groove in a matched mode. When torque is applied after a hanging tong head clamps a pipe fitting or a drill bit or other work pieces, due to the fact that the slip assembling sliding strip on the back of the slip toothed plate and the slip toothed plate assembling groove are obliquely assembled, stress concentration can be effectively dispersed, and therefore the service life of the slip toothed plate is prolonged; and meanwhile, in the torque applying process, the slip toothed plate and the slip toothed plate assembling groove can be matched more tightly, the slip toothed plate is effectively prevented from falling off and loosening, and the clamping stability is improved.

Description

Technical Field

[0001] The invention relates to the technical field of equipment used in the process of oil casing operation, in particular to a lifting tong for auxiliary oil exploration. Background Art

[0002] The auxiliary lifting tongs for oil exploration are mainly composed of a tong handle, a tong head, a balancing boom, etc. When in use, after the fastener is fastened, torque is applied through the tong handle. Due to the wedging effect of the tong head, the tong teeth will bite the pipe column, thereby transmitting torque and realizing the function of making and breaking the buckle.

[0003] For example, application number CN202020033195.0 discloses a safe oil drilling tongs, which relates to the field of drilling tongs, including a tongs handle, one side of which is provided with three tongs jaws, one side of which is provided with a moving groove, in which a trapezoidal moving block is slidably installed, one end of the trapezoidal moving block extends outside the moving groove and is fixedly installed with a tooth plate, and the side of the tooth plate away from the trapezoidal moving block is fixedly installed with teeth. The device can fix the drill rod more stably and prevent the drill rod from sliding through the setting of the teeth, but when the structure applies torque, the connection between the tongs jaws and the tooth plate bears lateral torque, and stress concentration causes the connection to be easily damaged. Summary of the invention

[0004] In order to solve the above problems, the present invention proposes a lifting tong for auxiliary oil exploration to more accurately solve the above problems.

[0005] The present invention is achieved through the following technical solutions: The present invention proposes a lifting tongs for assisting petroleum exploration, comprising a lifting tongs head, a tongs handle and a steering control component, wherein the lifting tongs head comprises a tongs head support, long tongs, short tongs, hinged tongs and snap-on tongs, the inner force-bearing surfaces of the tongs head support, long tongs, short tongs, hinged tongs and snap-on tongs are all provided with a slip tooth plate assembly groove, and the slip tooth plate assembly groove is matched with a slip tooth plate connected therein, one end of the tongs head support is connected to a steering control component, the steering control component comprises a steering control base, the other end of the steering control base is connected to a tongs handle, and the tongs handle is fixedly connected to the steering control base via a pair of connecting arms.

[0006] Furthermore, the slip tooth plate assembly groove is an obliquely opened clamping groove, and the back of the slip tooth plate is integrally formed with a slip assembly slide bar that is slidably clamped in cooperation with the slip tooth plate assembly groove.

[0007] Furthermore, the slotted grooves of the slip tooth plate assembly grooves on the clamp head support, long clamp, short clamp, hinged clamp and snap-on clamp are all in the same inclination, and the back of the slip tooth plate fits the force-bearing surface of the clamp head support, long clamp, short clamp, hinged clamp and snap-on clamp.

[0008] Furthermore, the slip tooth plate assembly groove is a groove with a trapezoidal cross section, and the upper end of the slip tooth plate assembly groove is connected with a bolt for limiting the slip tooth plate.

[0009] Furthermore, the inner side surface of the slip tooth plate is located on an arc surface that matches the diameter of the clamping member, and tooth patterns are provided on the inner arc surface of the slip tooth plate.

[0010] Furthermore, the steering control base is provided with a pair of bearing seats, a steering worm gear is provided inside the steering control base, the steering worm gear is rotatably connected to the pair of bearing seats through a rotating shaft, a steering worm is connected inside the steering control base, and the steering worm gear is meshed with the steering worm gear. Furthermore, a steering control motor is provided on one side of the steering control base, and an output shaft end of the steering control motor is drivingly connected to one end of the steering worm.

[0011] Furthermore, a control box is provided on the outside of the steering control base, in which a processor, an electronic controller and electronic control buttons are integrated; an angle encoder is installed at one end of the rotating shaft connected to the steering worm gear, and the angle encoder is connected to the processor signal in the control box, and the electronic controller is electrically connected to the steering control motor.

[0012] Furthermore, a display is also integrated on the control box arranged outside the steering control base, and the processor is connected to the display screen signal, and the processor is connected to the display screen signal.

[0013] Furthermore, a limit assembly is provided at one end of the steering worm, and the limit assembly includes a limit gear disk fixed to one end of the steering worm, and an electric-controlled telescopic component support plate frame is integrally formed on the outer wall of the steering control base and at the bottom of the limit gear disk, and an electric-controlled telescopic component support plate frame is provided on the electric-controlled telescopic component support plate frame, and the telescopic rod of the electric-controlled telescopic rod extends vertically upward, and a limit pin is provided at the upper end of the telescopic rod of the electric-controlled telescopic rod, and a limit tooth is provided at the upper end of the limit pin which is engaged with the tooth groove of the limit gear disk.

[0014] Beneficial effects of the present invention: 1. When the present invention applies torque after the tongs clamp a pipe or a drill bit or other workpiece, since the slip assembly slide bar on the back of the slip tooth plate is obliquely assembled with the slip tooth plate assembly groove, stress concentration can be effectively dispersed, thereby improving the service life of the slip tooth plate; at the same time, in the process of applying torque, the slip tooth plate and the slip tooth plate assembly groove can be more closely matched, effectively preventing the slip tooth plate from falling off and loosening, thereby improving the clamping stability; 2. The present invention drives the steering worm by a steering control motor, so that the steering worm and the steering worm gear are meshed and transmitted, thereby driving the tongs head to rotate 180 degrees to turn over, so that the assembly direction of the slip tooth plate matches the torque direction; the steering control motor is controlled to start and stop by an electric controller and an electric control button, and the rotation of the steering worm gear is monitored in conjunction with an angle encoder, and the rotation angle is calculated by a processor and displayed on a display screen, so that the deflection angle of the tongs head can be flexibly controlled, and the applicability of different working conditions can be improved; 3. After the angle of the lifting clamp head is adjusted, the present invention controls the extension of the telescopic rod of the electrically controlled telescopic rod until the limiting teeth of the limiting top at the upper end of the telescopic rod are engaged with the tooth grooves of the limiting toothed disc, thereby completing the restriction of the steering worm gear and further achieving the purpose of fixing the deflection angle of the lifting clamp head. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of a first three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of a second three-dimensional structure of the present invention; Figure 3 It is a schematic diagram of the first three-dimensional structure of the lifting clamp head in the present invention; Figure 4 It is a second three-dimensional structural schematic diagram of the lifting clamp head in the present invention; Figure 5 A top view of the structure of the present invention; Figure 6 for Figure 5 Cross-sectional view at AA in the middle.

[0016] In the figure: 1. Clamp head of lifting clamp; 101. Clamp head support; 102. Long clamp; 103. Short clamp; 104. Hinge clamp; 105. Snap-on clamp; 106. Slip tooth plate assembly groove; 1061. Bolt; 107. Slip tooth plate; 1071. Slip assembly slide; 2. Clamp handle; 201. Connecting support arm; 3. Steering control assembly; 301. Steering control base; 302. Bearing seat; 303. Steering worm gear; 304. Steering worm; 305. Steering control motor; 306. Support plate frame of electric control telescopic member; 4. Limit assembly; 401. Limit toothed disc; 402. Electric control telescopic rod; 403. Limit top. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example 1

[0018] A lifting tongs for auxiliary oil exploration, comprising a lifting tongs head 1, a tongs handle 2 and a steering control component 3, wherein the lifting tongs head 1 comprises a tongs head support 101, a long tongs 102, a short tongs 103, a hinged tongs 104 and a buckle tongs 105, Figure 3 and Figure 4 As shown, a slip tooth plate assembly groove 106 is opened on the inner force-bearing surface of the clamp head support 101, the long clamp 102, the short clamp 103, the hinge clamp 104 and the buckle clamp 105, and a slip tooth plate 107 is connected in the slip tooth plate assembly groove 106, the slip tooth plate assembly groove 106 is an obliquely opened card groove, and the back of the slip tooth plate 107 is integrally formed with a slip assembly slide 1071 that is slidably clamped with the slip tooth plate assembly groove 106, the slip tooth plate assembly groove 106 opened on the clamp head support 101, the long clamp 102, the short clamp 103, the hinge clamp 104 and the buckle clamp 105 are inclined in the same direction, and the back of the slip tooth plate 107 is aligned with the clamp head support 101, the long clamp 102, the short clamp 103, the hinge clamp 104 and the buckle clamp 105. The force-bearing surfaces of the pliers 104 and the snap-on pliers 105 fit together, and the slip tooth plate assembly groove 106 is a clamping groove with a trapezoidal cross-section. The upper end of the slip tooth plate assembly groove 106 is connected to a bolt 1061 for limiting the slip tooth plate 107. When torque is applied after the pliers head 1 clamps a workpiece such as a pipe fitting or a drill bit, the slip assembly slide 1071 on the back of the slip tooth plate 107 is obliquely assembled with the slip tooth plate assembly groove 106, which can effectively disperse stress concentration, thereby improving the service life of the slip tooth plate 107; at the same time, in the process of applying torque, the fit between the slip tooth plate 107 and the slip tooth plate assembly groove 106 can be made tighter, effectively preventing the slip tooth plate 107 from falling off and loosening, thereby improving the clamping stability.

[0019] The inner side surface of the slip tooth plate 107 is located on the arc surface that matches the diameter of the clamping member, and the inner arc surface of the slip tooth plate 107 is provided with tooth patterns to increase the contact friction.

[0020] The technical scheme in the above-mentioned embodiment of the present application has at least the following technical effects or advantages: when the torque is applied after the tongs head 1 of the present invention clamps a workpiece such as a pipe fitting or a drill bit, since the cava assembly slide bar 1071 on the back of the cava tooth plate 107 is obliquely assembled with the cava tooth plate assembly groove 106, the stress concentration can be effectively dispersed, thereby improving the service life of the cava tooth plate 107; at the same time, in the process of applying torque, the fit between the cava tooth plate 107 and the cava tooth plate assembly groove 106 can be made tighter, effectively preventing the cava tooth plate 107 from falling off and loosening, thereby improving the clamping stability. Example 2

[0021] Combination Figure 1 , Figure 2 and Figure 6As shown, one end of the clamp head support 101 is connected to a steering control component 3, and the steering control component 3 includes a steering control base 301. The other end of the steering control base 301 is connected to a clamp handle 2, and the clamp handle 2 is fixedly connected to the steering control base 301 through a pair of connecting arms 201. A pair of bearing seats 302 are provided on the steering control base 301, and a steering worm gear 303 is provided inside the steering control base 301. The steering worm gear 303 is rotatably connected to the pair of bearing seats 302 through a rotating shaft. A steering worm 304 is transferred inside the steering control base 301, and the steering worm gear 304 is connected to the steering control base 301. 4 is in transmission meshing with the steering worm gear 303, a steering control motor 305 is provided on one side of the steering control base 301, and the output shaft end of the steering control motor 305 is in transmission connection with one end of the steering worm 304. Due to the different directions of the torque applied to the clamping member, in order to make the assembly direction of the slip tooth plate 107 match the torque direction, it is necessary to control the tongs head 1 to turn over, and the steering control motor 305 drives the steering worm 304 to mesh with the steering worm gear 303, thereby driving the tongs head 1 to rotate 180° for turning over.

[0022] It is worth mentioning that a control box is provided on the outside of the steering control base 301, in which a processor, an electric controller, an electric control button and a display screen are integrated, and an angle encoder is installed at one end of the rotating shaft connected to the steering worm gear 303, and the angle encoder is connected to the processor signal in the control box, the processor is connected to the display screen signal, and the electric controller is electrically connected to the steering control motor 305. The steering control motor 305 is started and stopped by the electric controller and the electric control button, and the rotation of the steering worm gear 303 is monitored in conjunction with the angle encoder, the rotation angle is calculated by the processor, and displayed on the display screen, so that the deflection angle of the tongs head 1 can be flexibly controlled to improve the applicability of different working conditions.

[0023] The technical scheme in the above-mentioned embodiment of the present application has at least the following technical effects or advantages: the present invention drives the steering worm 304 through the steering control motor 305, so that the steering worm 304 engages with the steering worm wheel 303 for transmission, thereby driving the lifting clamp head 1 to rotate 180° to turn over, so that the assembly direction of the cava tooth plate 107 is matched with the torque direction; the steering control motor 305 is controlled to start and stop by the electronic controller and the electronic control button, and the rotation of the steering worm wheel 303 is monitored in conjunction with the angle encoder, the rotation angle is calculated by the processor, and displayed on the display screen, so that the deflection angle of the lifting clamp head 1 can be flexibly controlled to improve the applicability of different working conditions. Example 3

[0024] A limit assembly 4 is provided at one end of the steering worm 304, and the limit assembly 4 includes a limit toothed disc 401 fixed to one end of the steering worm 304, and an electric-controlled telescopic component support plate frame 306 is integrally formed on the outer wall of the steering control base 301 and at the bottom of the limit toothed disc 401, and an electric-controlled telescopic component support plate frame 306 is provided with an electric-controlled telescopic rod 402, and the telescopic rod of the electric-controlled telescopic rod 402 extends vertically upward, and a limit pin 403 is provided at the upper end of the telescopic rod of the electric-controlled telescopic rod 402, and a limit tooth that cooperates with the tooth groove of the limit toothed disc 401 is provided at the upper end of the limit pin 403. After the angle of the lifting clamp head 1 is adjusted, the telescopic rod of the electrically controlled telescopic rod 402 is controlled to extend until the limiting teeth of the limiting top 403 at the upper end of the telescopic rod are engaged with the tooth grooves of the limiting toothed disc 401, thereby completing the restriction of the steering worm gear 303 and achieving the purpose of fixing the deflection angle of the lifting clamp head 1.

[0025] The technical scheme in the above-mentioned embodiment of the present application has at least the following technical effects or advantages: after the angle of the lifting clamp head 1 is adjusted, the present invention controls the extension of the telescopic rod of the electrically-controlled telescopic rod 402 until the limiting teeth of the limiting top 403 at the upper end of the telescopic rod are engaged with the tooth grooves of the limiting toothed disc 401, thereby completing the limitation of the steering worm gear 303, and further achieving the purpose of fixing the deflection angle of the lifting clamp head 1.

[0026] Of course, the present invention may have many other implementations. Based on this implementation, other implementations obtained by ordinary technicians in this field without any creative work are all within the scope of protection of the present invention.

Claims

1. A lifting tong for auxiliary use in petroleum exploration, comprising a lifting tong head (1), a tong handle (2) and a steering control component (3), characterized in that: The lifting clamp head (1) comprises a clamp head support (101), a long clamp (102), a short clamp (103), a hinge clamp (104) and a snap-on clamp (105); the inner force-bearing surfaces of the clamp head support (101), the long clamp (102), the short clamp (103), the hinge clamp (104) and the snap-on clamp (105) are all provided with a slip tooth plate assembly groove (106); and a slip tooth plate (107) is matched and connected in the slip tooth plate assembly groove (106); one end of the clamp head support (101) is connected to a steering control assembly (3); the steering control assembly (3) comprises a steering control base (301); the other end of the steering control base (301) is connected to a clamp handle (2); the clamp handle (2) is fixedly connected to the steering control base (301) via a pair of connecting arms (201).

2. The auxiliary lifting tongs for oil exploration according to claim 1, characterized in that: The slip tooth plate assembly groove (106) is an obliquely opened clamping groove, and the back of the slip tooth plate (107) is integrally formed with a slip assembly slide bar (1071) that is slidably clamped in cooperation with the slip tooth plate assembly groove (106).

3. The auxiliary lifting tongs for oil exploration according to claim 1, characterized in that: The slots (106) of the slip tooth plate assembly grooves (106) provided on the clamp head support (101), the long clamp (102), the short clamp (103), the hinge clamp (104) and the buckle clamp (105) are provided with the same oblique direction, and the back of the slip tooth plate (107) is in contact with the force-bearing surfaces of the clamp head support (101), the long clamp (102), the short clamp (103), the hinge clamp (104) and the buckle clamp (105).

4. The auxiliary lifting tongs for oil exploration according to claim 1, characterized in that: The slip tooth plate assembly groove (106) is a groove having a trapezoidal cross section, and a bolt (1061) for limiting the position of the slip tooth plate (107) is connected to the upper end of the slip tooth plate assembly groove (106).

5. The auxiliary lifting tongs for oil exploration according to claim 1, characterized in that: The inner side surface of the slip tooth plate (107) is located on an arc surface that matches the diameter of the clamping piece, and tooth patterns are provided on the inner arc surface of the slip tooth plate (107).

6. The auxiliary lifting tongs for oil exploration according to claim 1, characterized in that: A pair of bearing seats (302) are provided on the steering control base (301), a steering worm gear (303) is provided inside the steering control base (301), the steering worm gear (303) is rotatably connected to the pair of bearing seats (302) via a rotating shaft, a steering worm (304) is connected inside the steering control base (301), and the steering worm gear (304) is in driving engagement with the steering worm gear (303).

7. The auxiliary lifting tongs for oil exploration according to claim 6, characterized in that: A steering control motor (305) is provided on one side of the steering control base (301), and an output shaft end of the steering control motor (305) is drivingly connected to one end of the steering worm (304).

8. The auxiliary lifting tongs for oil exploration according to claim 6, characterized in that: A control box is provided outside the steering control base (301), and a processor, an electric controller and electric control buttons are integrated in the control box. An angle encoder is installed at one end of the rotating shaft connected to the steering worm gear (303), and the angle encoder is signal-connected to the processor in the control box, and the electric controller is electrically connected to the steering control motor (305).

9. The auxiliary lifting tongs for oil exploration according to claim 8, characterized in that: A display is also integrated on the control box arranged outside the steering control base (301), and the processor is connected to the display screen signal.

10. The auxiliary lifting tongs for oil exploration according to claim 1, characterized in that: A limit assembly (4) is provided at one end of the steering worm (304), and the limit assembly (4) comprises a limit toothed disc (401) fixed to one end of the steering worm (304); an electric-controlled telescopic component support plate frame (306) is integrally formed on the outer wall of the steering control base (301) and located at the bottom of the limit toothed disc (401); an electric-controlled telescopic rod (402) is provided on the electric-controlled telescopic component support plate frame (306); a telescopic rod of the electric-controlled telescopic rod (402) extends vertically upward, and a limit pin (403) is provided at the upper end of the telescopic rod of the electric-controlled telescopic rod (402); and a limit tooth that is matched with a tooth groove of the limit toothed disc (401) is provided at the upper end of the limit pin (403).

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