CN110952938A - Automatic hydraulic power combination tongs - Google Patents
Automatic hydraulic power combination tongs Download PDFInfo
- Publication number
- CN110952938A CN110952938A CN201911161879.7A CN201911161879A CN110952938A CN 110952938 A CN110952938 A CN 110952938A CN 201911161879 A CN201911161879 A CN 201911161879A CN 110952938 A CN110952938 A CN 110952938A
- Authority
- CN
- China
- Prior art keywords
- gear
- tong
- shell
- guide rod
- jaw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
- E21B19/163—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe piston-cylinder actuated
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/165—Control or monitoring arrangements therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/165—Control or monitoring arrangements therefor
- E21B19/166—Arrangements of torque limiters or torque indicators
Abstract
The invention discloses an automatic hydraulic power combination tong, which comprises a main tong mechanism, a back-up tong mechanism and a hydraulic driving component, wherein the main tong mechanism comprises a main tong body and a back-up tong body; the main tong mechanism comprises a shell, wherein an opening gear is arranged on one side of the shell, and a rotatable first jaw plate frame is arranged in the middle of the opening gear; the back-up tong mechanism comprises a back-up tong main body arranged right below the shell, the back-up tong main body is fixedly connected with the shell through a guide rod component, and a rotatable second jaw plate frame coaxial with the first jaw plate frame is arranged in the back-up tong main body; the hydraulic driving assembly comprises a hydraulic pump fixed above the shell, a reversing valve connected with the hydraulic pump and a driving oil cylinder assembly connected with the second jaw plate frame, and an output shaft of the hydraulic pump is connected with the transmission shaft; the invention has simple structure, convenient operation and excellent working performance.
Description
Technical Field
The invention belongs to the technical field of petroleum drilling auxiliary equipment, and particularly relates to an automatic hydraulic power combination tongs.
Background
The hydraulic power tongs are a workover tool for mechanically screwing and unscrewing a screw thread tool operated by the power of the workover rig, and have the advantages of obvious advantages and convenient use. The largest and most burdensome workload of operating workers in the well repairing process is to thread the oil pipes and the drilling tools, and pipe tongs or chain tongs are used in the past, so that the labor intensity is high, and the operation is dangerous. The hydraulic power tongs are mechanical screwing and unscrewing tools operated by the power of the workover rig, so that the labor intensity of workover workers can be greatly reduced, and the occurrence of injury accidents is avoided or reduced.
The existing power tongs have complex mechanism, troublesome operation and unsatisfactory working performance.
Disclosure of Invention
Aiming at the problems, the invention provides an automatic hydraulic power combination pliers, which well solves the problems of complex structure, troublesome operation and non-ideal working performance of the existing power pliers.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: an automatic hydraulic power combination tong comprises a main tong mechanism, a back-up tong mechanism and a hydraulic driving component;
the main tong mechanism comprises a shell, wherein an opening gear is arranged on one side of the shell, a rotatable first jaw plate frame is arranged in the middle of the opening gear, a plurality of first jaw plates which contract along the radial direction of the first jaw plate frame are arranged on the circumference of the first jaw plate frame, an opening gear cover fixed on the opening gear is arranged above the first jaw plate frame, a connecting plate which rotates synchronously with the first jaw plate frame is arranged above the opening gear cover, a brake piece is fixed on the connecting plate, and a brake assembly is arranged on the brake piece; a transmission assembly connected with the opening gear is arranged on the other side of the shell, and a safety door is arranged at the opening of the opening gear cover;
the transmission assembly comprises a transmission gear arranged on the outer edge of the opening gear, the transmission gear is meshed with a transition gear, the transition gear is meshed with a driving gear, and the driving gear penetrates through a transmission shaft in the shell;
the back-up tong mechanism comprises a back-up tong main body arranged right below the shell, the back-up tong main body is fixedly connected with the shell through a guide rod component, a rotatable second jaw plate frame coaxial with the first jaw plate frame is arranged in the back-up tong main body, a plurality of second jaw plates radially contracting along the second jaw plate frame are arranged on the circumference of the second jaw plate frame, and a back-up tong main body cover fixed on the back-up tong main body is arranged above the second jaw plate frame;
the hydraulic drive subassembly is including being fixed in the hydraulic pump of casing top, the switching-over valve of being connected with the hydraulic pump and the drive oil cylinder subassembly of being connected with second jaw grillage, and the output shaft of hydraulic pump is connected in the transmission shaft.
Furthermore, the brake assembly comprises a main caliper cover fixed on the shell, first friction plates fixed on the upper side and the lower side of the main caliper cover, and second friction plates arranged above the brake plates, wherein a brake disc is arranged above the second friction plates, and the brake disc is connected to the main caliper cover through a pre-tightening bolt.
Furthermore, the emergency exit rotates to be connected on the casing, and the emergency exit downside is provided with the outside semi-annular board of opening, is provided with the extension spring between emergency exit and the brake disc.
Further, a righting roller is arranged on the first friction plate.
Further, the driving gear includes a high speed gear and a low speed gear.
Further, the driving oil cylinder assembly comprises an oil cylinder connected with the back-up tong main body, a plunger capable of sliding in a reciprocating mode is arranged in the oil cylinder, a rack is arranged on the plunger in the axis direction, a pinion meshed with the rack is arranged on one side of the oil cylinder, a large gear of a coaxial line is integrally connected with the pinion, and gear teeth meshed with the large gear are arranged on the outer edge of the second jaw plate frame.
Furthermore, the oil cylinder is connected with the reversing valve through an oil pipe.
Furthermore, the guide rod assembly comprises a guide rod, a guide rod sleeve sleeved on the guide rod and a spring arranged between the guide rod sleeve and the guide rod, the spring is sleeved on the guide rod, two ends of the spring are respectively in sleeve contact with the guide rod and the guide rod, the upper end of the guide rod is hinged with the shell, and the lower end of the guide rod sleeve is connected with the back-up wrench main body.
Furthermore, a pressure gauge is arranged on the reversing valve.
Furthermore, a hanging cylinder is arranged on the upper side surface of the shell.
Compared with the prior art, the invention has the following beneficial effects:
1. the reversing valve controls the supply and the reversing of oil of the hydraulic pump and the driving oil cylinder assembly simultaneously, the first jaw plate frame rotates through the transmission of the transmission assembly, the first jaw plate slides towards the inside of the first jaw plate frame, the first jaw plate tightens the upper pipe body of a pipe or a drilling tool, at the moment, the second jaw plate frame on the back-up tong main body drives the driving oil cylinder assembly to transmit, hydraulic pressure is converted into mechanical force to drive the second jaw plate frame to rotate, the second jaw plate slides towards the second jaw plate frame, the second jaw plate tightens the lower pipe body of the pipe or the drilling tool, the first jaw plate frame drives the second jaw plate frame to continue rotating through the combined transmission of the hydraulic pump and the transmission assembly to drive the upper pipe body of the pipe or the drilling tool to be screwed and screwed up and down, and the hydraulic wrench has the advantages of simple structure, convenient operation and superior working.
2. And a brake disc on the brake assembly is always subjected to the pre-tightening friction force of the second friction plate and the first friction plate to provide braking force for the brake disc.
3. The semicircular annular plate on the safety door can prevent the first jaw frame from rotating to the main tong mechanism, and the safety door is closed when a pipe tool or a drilling tool enters the main tong mechanism, so that the use safety of the invention is improved.
4. The righting roller arranged on the first friction plate can ensure that the rotation axis of the second jaw plate frame and the opening gear is unchanged, reduce the vibration caused by the rotation of the opening gear and improve the use reliability of the invention.
5. The guide rod and the guide rod sleeve in the guide rod component can slide relatively, so that the distance between the main clamp mechanism and the back clamp mechanism can be adjusted, and the application range of the invention is widened.
6. The pressure gauge on the reversing valve can reflect the oil pressure force, can directly reflect the torque provided by the second jaw plate frame, and is convenient to use.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic structural view of a main clamp mechanism;
FIG. 3 is a schematic structural view of a back-up tong mechanism;
FIG. 4 is a schematic view of a drive cylinder assembly;
FIG. 5 is a schematic view of a brake assembly;
figure 6 is a top view of the security door;
FIG. 7 is a schematic view of a guide bar assembly;
fig. 8 is a schematic view of the engagement of the shedding gear and the transition gear.
In the figure: 1. a main tong mechanism; 2. a back-up tong mechanism; 3. a hydraulic drive assembly; 4. a brake assembly; 5. a transmission assembly; 6. a safety door; 7. a guide bar assembly; 8. a semi-annular plate; 9. a tension spring; 10. righting the roller; 11. A pressure gauge; 12. a hanging cylinder; 101. a housing; 102. a shedding gear; 103. a first jaw plate frame; 104. a first jaw plate; 105. an open gear cover; 106. a coupling plate; 107. a brake pad; 201. a back-up tong body; 202. a second jaw plate frame; 203. a second jaw plate; 204. a back-up tong body cover; 301. a hydraulic pump; 302. a diverter valve; 303. Driving the cylinder assembly; 41. a main tong cover; 42. a first friction plate; 43. a second friction plate; 44. a brake disc; 45. pre-tightening the bolts; 51. a transmission gear; 52. a transition gear; 53. a driving gear; 54. a drive shaft; 3031. an oil cylinder; 3032. a plunger; 3033. a pinion gear; 3034. a bull gear; 71. a guide bar; 72. a guide rod sleeve; 73. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-8, the automatic hydraulic power combination pliers of the present invention comprise a main plier mechanism 1, a back-plier mechanism 2 and a hydraulic drive assembly 3;
the main jaw mechanism 1 comprises a shell 101, an opening gear 102 is arranged on one side of the shell 101, a rotatable first jaw frame 103 is arranged in the middle of the opening gear 102, a plurality of first jaw plates 104 which contract along the radial direction of the first jaw frame 103 are arranged on the circumference of the first jaw frame 103, an opening gear cover 105 fixed on the opening gear 102 is arranged above the first jaw frame 103, a connecting plate 106 which rotates synchronously with the first jaw frame 103 is arranged above the opening gear cover 105, a brake block 107 is fixed on the connecting plate 106, and a brake assembly 4 is arranged on the brake block 107; the other side of the shell 101 is provided with a transmission assembly 5 connected with a hatch gear 102, and the hatch of a hatch gear cover 105 is provided with a safety door 6;
in this embodiment, first jaw 104 has two along circumference equipartition on first jaw frame 103 to, be provided with between first jaw frame 103 and the opening gear 102 and climb the slope board, climb the slope board and set up about first jaw 104 symmetry, when guaranteeing first jaw frame 103 just reversing, the homoenergetic makes first jaw 104 tighten pipe utensil or drilling tool.
The transmission assembly 5 comprises a transmission gear 51 arranged on the outer edge of the opening gear 102, the transmission gear 51 is meshed with a transition gear 52, the transition gear 52 is meshed with a driving gear 53, and the driving gear 53 is arranged on a transmission shaft 54 in the shell 101 in a penetrating manner; during assembly, two transmission gears 51 are arranged on the outer edge of the opening gear 102, and the transition gears 52 are meshed with the transmission gears 51, so that the first jaw frame 103 can continue to rotate when a pipe or a drilling tool is tightened, and screwing and unscrewing operations are completed.
The back-up tong mechanism 2 comprises a back-up tong main body 201 arranged right below the shell 101, the back-up tong main body 201 is fixedly connected with the shell 101 through a guide rod assembly 7, a rotatable second jaw frame 202 coaxial with the first jaw frame 103 is arranged in the back-up tong main body 201, a plurality of second jaw plates 203 radially contracting along the second jaw frame 202 are arranged on the circumference of the second jaw frame 202, and a back-up tong main body cover 204 fixed on the back-up tong main body 201 is arranged above the second jaw frame 202;
in this embodiment, second jaw 203 has two along circumference equipartition on second jaw frame 202 to, be provided with between second jaw frame 202 and the back-up tong main part 201 and climb the slope board, climb the slope board and about second jaw 203 symmetry setting, when guaranteeing that second jaw frame 203 is just reversing, the homoenergetic makes second jaw 203 step up pipe utensil or drilling tool.
The hydraulic driving assembly 3 comprises a hydraulic pump 301 fixed above the housing 101, a reversing valve 302 connected with the hydraulic pump 301, and a driving oil cylinder assembly 303 connected with the second jaw frame 202, wherein the output shaft of the hydraulic pump 301 is connected with the transmission shaft 54.
In this embodiment, the brake assembly 4 includes a main caliper cover 41 fixed on the housing 101, a first friction plate 42 fixed on the upper and lower sides of the main caliper cover 41, and a second friction plate 43 disposed above the brake plate 107, wherein a brake disc 44 is disposed above the second friction plate 43, and the brake disc 44 is connected to the main caliper cover 41 through a pre-tightening bolt 45; during assembly, a pre-tightening bolt 45 connected to the main caliper cover 41 penetrates through the brake disc 44, a spring 73 is sleeved on the pre-tightening bolt 45, the spring 73 applies pressure to the brake disc 44, and the brake disc 44 on the brake assembly 4 is always subjected to pre-tightening friction force of the second friction plate 43 and the first friction plate 42 to provide braking force for the brake disc 107.
In the embodiment, the safety door 6 is rotationally connected to the housing 101, a semi-annular plate 8 with an outward opening is arranged at the lower side of the safety door 6, and a tension spring 9 is arranged between the safety door 6 and the brake disc 44; the semicircular annular plate 8 on the safety door 6 can prevent the first jaw frame 103 from going into the master jaw mechanism 1 when rotating, and the safety door 6 is closed when a pipe tool or a drilling tool enters the master jaw mechanism 1, thereby improving the safety of the use of the present invention.
In this embodiment, the first friction plate 42 is provided with the centering rollers 10, the sizes of the openings of the first friction plate 42 and the shedding gear 102 are the same, the opening ports of the first friction plate 42 are both provided with the centering rollers 10 symmetrical to the openings, and the centering rollers 10 can ensure that the rotation axes of the second jaw frame 202 and the shedding gear 102 are not changed, reduce the vibration caused by the rotation of the shedding gear 102, and improve the reliability of the use of the present invention.
In this embodiment, the driving gear 53 includes a high-speed gear and a low-speed gear, and a shifting fork type gear shifting structure may be mounted on the transmission shaft 54 for adjusting the engagement between the high-speed gear and the low-speed gear and the transition gear 52, so that the first jaw frame 103 has high and low rotation speeds, and the working efficiency of the present invention is improved.
In this embodiment, the driving cylinder assembly 303 includes an oil cylinder 3031 connected to the back-up wrench main body 201, a plunger 3032 sliding back and forth is disposed in the oil cylinder 3031, a rack is disposed on the plunger 3032 along an axial direction, a pinion 3033 engaged with the rack is disposed on one side of the oil cylinder 3031, the pinion 3033 is integrally connected to a large gear 3034 coaxial with the axis, and gear teeth engaged with the large gear 3034 are disposed on an outer edge of the second jaw frame 202. During assembly, the oil cylinder 3031 is connected with the reversing valve 302 through an oil pipe, and the reversing valve 302 controls the actions of the hydraulic pump 301 and the oil cylinder 3031 simultaneously, so that the first jaw frame 103 and the second jaw frame 202 rotate synchronously, and the control is convenient and the operation is simple.
In this embodiment, the guide rod assembly 7 includes a guide rod 71, a guide rod sleeve 72 sleeved on the guide rod 71, and a spring 73 disposed between the guide rod sleeve 72 and the guide rod 71, the spring 73 is sleeved on the guide rod, two ends of the spring 73 are respectively contacted with the guide rod 71 and the guide rod sleeve 72, an upper end of the guide rod 71 is hinged to the housing 101, and a lower end of the guide rod sleeve 72 is connected to the back-up wrench main body 201. The guide rod 71 and the guide rod sleeve 72 in the guide rod component 7 can slide relatively, so that the distance between the main tong mechanism 1 and the back-up tong mechanism 2 can be adjusted, and the application range of the invention is widened.
In this embodiment, the pressure gauge 11 is arranged on the reversing valve 302, so that the oil pressure can be reflected, the torque provided by the second jaw frame 202 can be directly reflected, and the use is convenient.
The upper side surface of the shell 101 is provided with a hanging cylinder 12, so that the hanging device is convenient to hoist.
When the hydraulic tong is used, the reversing valve 302 controls the supply and reversing of oil of the hydraulic pump 301 and the driving oil cylinder assembly 303 at the same time, the first jaw frame 103 rotates through the transmission of the transmission assembly 5, the first jaw plate 104 slides towards the inside of the first jaw frame 103, the first jaw plate 104 tightens the upper pipe body of a pipe tool or a drilling tool, at this time, the second jaw frame 202 on the back tong main body 201 transforms hydraulic pressure into mechanical force through the transmission of the driving oil cylinder assembly 303, the second jaw frame 202 is driven to rotate, the second jaw plate 203 slides towards the second jaw frame 202, the second jaw plate 203 tightens the lower pipe body of the pipe tool or the drilling tool, the first jaw frame 103 drives the second jaw frame 202 to rotate continuously through the combined transmission of the hydraulic pump 301 and the transmission assembly 5, and the upper pipe body of the pipe tool or the drilling tool is driven to be screwed and unscrewed in a memorability.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides an automatic change hydraulic power combination pincers which characterized in that: comprises a main tong mechanism (1), a back-up tong mechanism (2) and a hydraulic drive component (3);
the main tong mechanism (1) comprises a shell (101), an opening gear (102) is arranged on one side of the shell (101), a rotatable first jaw frame (103) is arranged in the middle of the opening gear (102), a plurality of first jaw plates (104) which contract along the radial direction of the first jaw frame (103) are arranged on the circumference of the first jaw frame (103), an opening gear cover (105) fixed on the opening gear (102) is arranged above the first jaw frame (103), a connecting plate (106) which rotates synchronously with the first jaw frame (103) is arranged above the opening gear cover (105), a brake block (107) is fixed on the connecting plate (106), and a brake assembly (4) is arranged on the brake block (107); a transmission assembly (5) connected with the opening gear is arranged on the other side of the shell (101), and a safety door (6) is arranged at the opening of the opening gear cover (105);
the transmission assembly (5) comprises a transmission gear (51) arranged on the outer edge of the opening gear (102), the transmission gear (51) is meshed with a transition gear (52), the transition gear (52) is meshed with a driving gear (53), and the driving gear (53) penetrates through a transmission shaft (54) in the shell (101);
the back-up tong mechanism (2) comprises a back-up tong main body (201) arranged right below the shell (101), the back-up tong main body (201) is fixedly connected with the shell (101) through a guide rod component (7), a rotatable second jaw frame (202) coaxial with the first jaw frame (103) is arranged in the back-up tong main body (201), a plurality of second jaw plates (203) radially contracting along the second jaw frame (202) are arranged on the circumference of the second jaw frame (202), and a back-up tong main body cover (204) fixed on the back-up tong main body (201) is arranged above the second jaw frame (202);
the hydraulic drive assembly (3) comprises a hydraulic pump (301) fixed above the shell, a reversing valve (302) connected with the hydraulic pump (301) and a drive oil cylinder assembly (303) connected with the second jaw frame (202), and an output shaft of the hydraulic pump (301) is connected with the transmission shaft (54).
2. The automated hydraulic power combining vise of claim 1, wherein: the brake assembly (4) comprises a main caliper cover (41) fixed on a shell (101), first friction plates (42) fixed on the upper side and the lower side of the main caliper cover (41), and second friction plates (43) arranged above a brake plate (107), wherein a brake disc (44) is arranged above the second friction plates (43), and the brake disc (44) is connected to the main caliper cover (41) through a pre-tightening bolt (45).
3. The automated hydraulic power combining vise of claim 2, wherein: the safety door (6) is rotationally connected to the shell (101), a semi-annular plate (8) with an outward opening is arranged on the lower side of the safety door (6), and a tension spring (9) is arranged between the safety door (6) and the brake disc (44).
4. The automated hydraulic power combining vise of claim 3, wherein: the first friction plate (42) is provided with a righting roller (10).
5. The automated hydraulic power combining vise of claim 1, wherein: the drive gear (53) includes a high speed gear and a low speed gear.
6. The automated hydraulic power combining vise of claim 1, wherein: the driving oil cylinder assembly (303) comprises an oil cylinder (3031) connected with the back-up tong main body (201), a plunger (3032) capable of sliding in a reciprocating mode is arranged in the oil cylinder (3031), a rack is arranged on the plunger (3032) in the axial direction, a pinion (3033) meshed with the rack is arranged on one side of the oil cylinder (3031), the pinion (3033) is integrally connected with a large gear (3034) of a coaxial line, and gear teeth meshed with the large gear (3034) are arranged on the outer edge of the second jaw plate frame (202).
7. The automated hydraulic power combining vise of claim 6, wherein: the oil cylinder (3031) is connected with the reversing valve (302) through an oil pipe.
8. The automated hydraulic power combining vise of claim 1, wherein: the guide rod assembly (7) comprises a guide rod (71), a guide rod sleeve (72) sleeved on the guide rod (71) and a spring (73) arranged between the guide rod sleeve (72) and the guide rod (71), the spring (73) is sleeved on the guide rod (71), two ends of the spring (73) are respectively in contact with the guide rod (71) and the guide rod sleeve (72), the upper end of the guide rod (71) is hinged to the shell (101), and the lower end of the guide rod sleeve (72) is connected with the back-up wrench main body (201).
9. The automated hydraulic power combining vise of claim 1, wherein: and a pressure gauge (11) is arranged on the reversing valve (302).
10. The automated hydraulic power combining vise of claim 1, wherein: the upper side surface of the shell (101) is provided with a hanging cylinder (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911161879.7A CN110952938A (en) | 2019-11-22 | 2019-11-22 | Automatic hydraulic power combination tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911161879.7A CN110952938A (en) | 2019-11-22 | 2019-11-22 | Automatic hydraulic power combination tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110952938A true CN110952938A (en) | 2020-04-03 |
Family
ID=69978400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911161879.7A Pending CN110952938A (en) | 2019-11-22 | 2019-11-22 | Automatic hydraulic power combination tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110952938A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116624114A (en) * | 2023-07-18 | 2023-08-22 | 江苏如石机械股份有限公司 | Multifunctional drilling power tongs |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2284857Y (en) * | 1994-05-29 | 1998-06-24 | 杨春会 | Power wrench head brake and steering control mechanism |
| CN201407003Y (en) * | 2009-04-24 | 2010-02-17 | 付蕾 | Rear guide rod connecting mechanism for main tongs and back-up tongs of power tongs |
| CN201747303U (en) * | 2010-09-09 | 2011-02-16 | 莱州市霸力石油机械有限公司 | Safe and automatic protection and locking system for hydraulic power tong |
| CN201747300U (en) * | 2010-08-10 | 2011-02-16 | 吴立中 | Hydraulic control loop of power tongs |
| CN201891397U (en) * | 2010-12-06 | 2011-07-06 | 刘承建 | Three-purpose hydraulic power tongs |
| CN202117589U (en) * | 2011-06-21 | 2012-01-18 | 中国地质装备总公司 | Special quick hydraulic screwing-off clamp for geological wire-line core drilling rod |
| CN205743775U (en) * | 2016-07-08 | 2016-11-30 | 东营市天亿石油工具制造有限公司 | Fully automatic hydraulic Power Tong |
| CN208416471U (en) * | 2018-06-08 | 2019-01-22 | 江苏新象股份有限公司 | Micro- dental impression casing, oil pipe Power Tong |
| CN110439486A (en) * | 2018-05-03 | 2019-11-12 | 付蕾 | A kind of ultra-large type casing tong |
-
2019
- 2019-11-22 CN CN201911161879.7A patent/CN110952938A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2284857Y (en) * | 1994-05-29 | 1998-06-24 | 杨春会 | Power wrench head brake and steering control mechanism |
| CN201407003Y (en) * | 2009-04-24 | 2010-02-17 | 付蕾 | Rear guide rod connecting mechanism for main tongs and back-up tongs of power tongs |
| CN201747300U (en) * | 2010-08-10 | 2011-02-16 | 吴立中 | Hydraulic control loop of power tongs |
| CN201747303U (en) * | 2010-09-09 | 2011-02-16 | 莱州市霸力石油机械有限公司 | Safe and automatic protection and locking system for hydraulic power tong |
| CN201891397U (en) * | 2010-12-06 | 2011-07-06 | 刘承建 | Three-purpose hydraulic power tongs |
| CN202117589U (en) * | 2011-06-21 | 2012-01-18 | 中国地质装备总公司 | Special quick hydraulic screwing-off clamp for geological wire-line core drilling rod |
| CN205743775U (en) * | 2016-07-08 | 2016-11-30 | 东营市天亿石油工具制造有限公司 | Fully automatic hydraulic Power Tong |
| CN110439486A (en) * | 2018-05-03 | 2019-11-12 | 付蕾 | A kind of ultra-large type casing tong |
| CN208416471U (en) * | 2018-06-08 | 2019-01-22 | 江苏新象股份有限公司 | Micro- dental impression casing, oil pipe Power Tong |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116624114A (en) * | 2023-07-18 | 2023-08-22 | 江苏如石机械股份有限公司 | Multifunctional drilling power tongs |
| CN116624114B (en) * | 2023-07-18 | 2023-10-13 | 江苏如石机械股份有限公司 | Multifunctional drilling power tongs |
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Application publication date: 20200403 |
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