CN215634754U - High-low speed two-gear driving mechanism of power tongs - Google Patents
High-low speed two-gear driving mechanism of power tongs Download PDFInfo
- Publication number
- CN215634754U CN215634754U CN202121766313.XU CN202121766313U CN215634754U CN 215634754 U CN215634754 U CN 215634754U CN 202121766313 U CN202121766313 U CN 202121766313U CN 215634754 U CN215634754 U CN 215634754U
- Authority
- CN
- China
- Prior art keywords
- gear
- driving
- shaft
- shifting fork
- tong
- 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.)
- Active
Links
Images
Abstract
The utility model relates to the technical field of power tongs for oilfield pipes, in particular to a high-speed and low-speed two-gear driving mechanism of a power tong. The gear transmission wheel train in the high-speed and low-speed two-gear driving mechanism of the power tongs comprises a series of gears, two speeds are output, the shifting fork is mainly driven by the swing oil cylinder to rotate, and when the gear is shifted, the shifting fork shifts the clutch sleeve to connect the spline gear with the first driving gear or the second driving gear 7 to transmit torque. The swing oil cylinder is connected with the hydraulic electromagnetic directional valve through an oil pipe, the hydraulic electromagnetic directional valve is controlled by the PLC, remote automatic gear shifting can be achieved, and the human-computer interaction module can perform visual operation.
Description
Technical Field
The utility model relates to the technical field of power tongs for oilfield pipes, in particular to a high-speed and low-speed two-gear driving mechanism of a power tong.
Background
In the screwing-in and unscrewing of the threads of an oil pipe, a sleeve and a drill rod at an oil field well head, a hydraulic power tongs is used, the hydraulic oil pipe main tongs mainly comprise two parts, namely a main tong and a back tong, wherein the main tong is arranged above the back tong, the two parts are connected into a whole through two front support guide rods and a rear support cutter bar, the main tong is supported by a spring on the support guide rods, the screwing-in and unscrewing is realized by clamping a coupling by the back tong, the main tong loosens the coupling along with the clamped oil pipe, and the main tong resets to align to a notch to complete one-time operation.
The power of the hydraulic power tongs is transmitted to the tong head gear through the stroke reducer, and the tong head is rotated to drive the pipe (drilling tool) to rotate through two-stage or one-stage speed reduction usually. When the hydraulic clamp is used, when the screw thread is confirmed or loosened, a lower rotating speed or a higher torque is needed, then the tightening and disassembling efficiency is improved by a higher rotating speed, a gear shifting structure is needed in a transmission structure of the hydraulic clamp, rotating speeds with different heights are provided, and the working condition requirements are met; at present, the gear shifting mechanism is complex in structure, the gear shifting process is usually realized by manually turning a shifting fork shaft, and the gear shifting mechanism is not suitable for remote or automatic operation, so that a device capable of remotely controlling the rotation of the shifting fork is needed to realize the automatic switching of a high-speed gear and a low-speed gear.
SUMMERY OF THE UTILITY MODEL
The utility model solves the problems that: the traditional power tong driving mechanism does not support remote or automatic gear shifting adjustment, and provides a high-speed and low-speed two-gear driving mechanism of a power tong, which can be operated remotely or automatically.
The utility model is realized by the following technical scheme that the high-speed and low-speed two-gear driving mechanism of the power tongs comprises a main tong shell, a hydraulic motor, a driving shaft, an intermediate shaft and a driven shaft; the driving shaft, the intermediate shaft and the driven shaft are rotatably connected to the main tong shell;
the driving shaft is sequentially sleeved with a first driving gear, a spline gear, a second driving gear and a third driving gear from top to bottom, the first driving gear, the second driving gear, the third driving gear and the driving shaft are in clearance fit in a circumferential rotating mode, the spline gear and the driving gear are connected through a spline and a spline groove, the second driving gear and the third driving gear are connected into a relatively fixed whole through a key, the tooth shapes and the moduli of the first driving gear, the spline gear and the second driving gear are all consistent, and a clutch sleeve capable of sliding up and down is sleeved outside the spline gear;
a first intermediate gear and a second intermediate gear are arranged on the intermediate shaft, the first intermediate gear is meshed with the first driving gear, and the second intermediate gear is meshed with the third driving gear;
the driven shaft is provided with a driven gear, the driven gear is meshed with the second intermediate gear, and the driven gear is also meshed with a tong head gear in the main tong shell;
the main tong shell is also rotatably connected with a shifting fork shaft, the shifting fork shaft is fixedly connected with a shifting fork, and a shifting arm of the shifting fork extends into an annular groove of the clutch sleeve;
the main tong shell is also detachably connected with a swing oil cylinder through a bolt, the output end of the swing oil cylinder is connected with one end of a shifting fork shaft, and the swing oil cylinder drives the shifting fork shaft to swing within a certain angle; the swing oil cylinder is connected with a hydraulic electromagnetic directional valve controlled by a PLC controller through an oil pipe.
In this scheme, by the valve position of PLC controller control hydraulic pressure electromagnetic directional valve, realize the pendulum-up of swing hydro-cylinder, the pendulum down, the work that stops, swing hydro-cylinder drive shift fork rotates, drive the separation and reunion cover and slide from top to bottom, when the separation and reunion cover upwards slides, the separation and reunion cover is established simultaneously outside first driving gear and spline gear, the power of driving shaft this moment is transmitted the jackshaft by first driving gear, when the separation and reunion cover slides downwards, the separation and reunion cover is established simultaneously outside spline gear and second driving gear, the power of driving shaft this moment is transmitted the jackshaft by third driving gear transmission, the jackshaft passes through second intermediate gear and driven gear meshing down with power in proper order, final drive jaw gear rotates.
Furthermore, in order to facilitate operation and monitoring, the PLC is also connected with a human-computer interaction module.
Furthermore, in order to facilitate manual operation during shutdown, the other end of the shifting fork shaft extends out of the main clamp shell and is bent twice to form a rocking handle shape.
Furthermore, the shifting fork shaft is connected with the output end of the swing oil cylinder through a key.
Further, in order to increase the stability of power transmission, the driven shaft is provided with two, and the driving shaft and two driven shafts are arranged in a finished product font.
The utility model has the beneficial effects that:
the shifting fork is driven to rotate by the swing oil cylinder, and when the gear is shifted, the shifting fork shifts the clutch sleeve to connect the spline gear with the first driving gear or the second driving gear to transmit torque. The swing oil cylinder is connected with the hydraulic electromagnetic directional valve through an oil pipe, the hydraulic electromagnetic directional valve is controlled by the PLC, remote automatic gear shifting can be achieved, and the human-computer interaction module can perform visual operation.
Drawings
FIG. 1 is an overall structure diagram of a high-low speed two-gear driving mechanism of a power tong according to the present invention;
FIG. 2 is an exploded view of a high and low speed two speed drive mechanism for a power tong according to the present invention;
fig. 3 is a hydraulic control circuit diagram of a high-low speed two-gear driving mechanism of a power tong according to the utility model.
In the figure: 1, a main tong shell; 2 a hydraulic motor; 3, driving the shaft; 4 intermediate shafts; 5 driven shaft; 6 a first driving gear; 7 a spline gear; 8 a second driving gear; 9 a third driving gear; 10 a clutch sleeve; 11 a first intermediate gear; 12 a second intermediate gear; 13 a driven gear; 14, shifting forks; 15 shift fork shaft; 16 swing oil cylinders; 17 a PLC controller; 18 hydraulic electromagnetic directional valves; 19 human-computer interaction module.
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. 1-3, a high-low speed two-gear driving mechanism of a power tong comprises a main tong housing 1, a hydraulic motor 2, a driving shaft 3, an intermediate shaft 4 and a driven shaft 5; the driving shaft 3, the intermediate shaft 4 and the driven shaft 5 are rotatably connected to the main tong shell 1;
the driving shaft 3 is sequentially sleeved with a first driving gear 6, a spline gear 7, a second driving gear 8 and a third driving gear 9 from top to bottom, the first driving gear 6, the second driving gear 8, the third driving gear 9 and the driving shaft 3 are in clearance fit with each other in a circumferential rotating mode, the spline gear 7 is connected with the driving gear through a spline and a spline groove, the second driving gear 8 and the third driving gear 9 are connected into a relatively fixed whole through keys, the tooth shapes and the moduli of the first driving gear 6, the spline gear 7 and the second driving gear 8 are all consistent, and a clutch sleeve 10 capable of sliding up and down is sleeved outside the spline gear 7;
a first intermediate gear 11 and a second intermediate gear 12 are arranged on the intermediate shaft 4, the first intermediate gear 11 is meshed with the first driving gear 6, and the second intermediate gear 12 is meshed with the third driving gear 9;
a driven gear 13 is arranged on the driven shaft 5, the driven gear 13 is meshed with the second intermediate gear 12, and the driven gear 13 is also meshed with a tong head gear in the main tong shell 1;
a shifting fork shaft 15 is also rotatably connected to the main tong housing 1, a shifting fork 14 is fixedly connected to the shifting fork shaft 15, and a shifting arm of the shifting fork 14 extends into an annular groove of the clutch sleeve 10;
the main tong shell 1 is also detachably connected with a swing oil cylinder 16 through a bolt, the output end of the swing oil cylinder 16 is connected with one end of a shifting fork shaft 15, and the swing oil cylinder 16 drives the shifting fork shaft 15 to swing within a certain angle; the swing oil cylinder 16 is connected with a hydraulic electromagnetic directional valve 18 controlled by a PLC 17 through an oil pipe.
In the scheme, the valve position of the hydraulic electromagnetic directional valve 18 is controlled by the PLC 17, the swinging cylinder 16 swings up and down and stops, the swinging cylinder 16 drives the shifting fork 14 to rotate to drive the clutch sleeve 10 to slide up and down, when the clutch sleeve 10 slides upwards, the clutch sleeve 10 is sleeved outside the first driving gear 6 and the spline gear 7 at the same time, the power of the driving shaft 3 is transmitted to the intermediate shaft by the first driving gear 6 at the moment, when the clutch sleeve 10 slides downwards, the clutch sleeve 10 is sleeved outside the spline gear 7 and the second driving gear 8 at the same time, the power of the driving shaft 3 is transmitted to the intermediate shaft 8 by the third driving gear 9 at the moment, the intermediate shaft 8 is engaged with the second intermediate gear 12 and the driven gear 13 to sequentially transmit the power, and finally the jaw gear is driven to rotate.
In practical application, the PLC controller 17 is further connected to a human-computer interaction module 19 for convenience of operation and monitoring.
In practical application, in order to facilitate manual operation during shutdown, the other end of the shifting fork shaft 15 extends out of the main tong housing 1 and is bent twice to form a rocking handle shape.
In practical application, the shifting fork shaft 15 and the output end of the swing oil cylinder 16 are connected through a key.
In practical application, in order to increase the stability of power transmission, the driven shafts 5 are provided with two, and the driving shaft 3 and the two driven shafts 5 are arranged in a shape of Chinese character 'cheng'.
The working principle of the utility model is as follows:
in the embodiment, the number of teeth of the first driving gear 6, the spline gear 7 and the second driving gear 8 is 16, the number of teeth of the third driving gear 9 is 32, the number of teeth of the first intermediate gear 11 is 34, the number of teeth of the second intermediate gear 12 is 20, the number of teeth of the driven gear 13 is 28, the low speed is two-stage speed reduction, the total transmission ratio is 1: 2.975, the high speed stage is one-stage speed reduction, the transmission ratio is 1:0.875, and the high speed ratio and the low speed ratio are 3.4. The shifting fork 14 is driven to rotate by the swing oil cylinder 16, and when the gear is shifted, the shifting fork 14 shifts the clutch sleeve 10 to connect the spline gear 7 with the first driving gear 6 or the second driving gear 7 to transmit torque. The swing oil cylinder 16 is connected with the hydraulic electromagnetic directional valve 18 through an oil pipe, the hydraulic electromagnetic directional valve 18 is controlled by the PLC 17, remote automatic gear shifting can be achieved, and the human-computer interaction module 19 can conduct visual operation.
In conclusion, the high-speed and low-speed two-gear driving mechanism of the power tong has the advantages of being simple in structure, capable of achieving remote or automatic gear shifting and capable of reducing labor.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.
Claims (6)
1. The utility model provides a two grades of actuating mechanism of power tong high-low speed which characterized in that: comprises a main tong shell (1), a hydraulic motor (2), a driving shaft (3), an intermediate shaft (4) and a driven shaft (5); the driving shaft (3), the intermediate shaft (4) and the driven shaft (5) are rotatably connected to the main tong shell (1);
the driving shaft (3) is sequentially sleeved with a first driving gear (6), a spline gear (7), a second driving gear (8) and a third driving gear (9) from top to bottom, the first driving gear (6), the second driving gear (8), the third driving gear (9) and the driving shaft (3) are in clearance fit in a circumferential rotating mode, the spline gear (7) is connected with a driving gear through a spline and a spline groove, the second driving gear (8) and the third driving gear (9) are connected into a relatively fixed whole through keys, the tooth shapes and the moduli of the first driving gear (6), the spline gear (7) and the second driving gear (8) are all consistent, and a clutch sleeve (10) capable of sliding up and down is sleeved outside the spline gear (7);
a first intermediate gear (11) and a second intermediate gear (12) are arranged on the intermediate shaft (4), the first intermediate gear (11) is meshed with the first driving gear (6), and the second intermediate gear (12) is meshed with the third driving gear (9);
a driven gear (13) is arranged on the driven shaft (5), the driven gear (13) is meshed with the second intermediate gear (12), and the driven gear (13) is also meshed with a tong head gear in the main tong shell (1);
a shifting fork shaft (15) is also rotatably connected to the main tong shell (1), a shifting fork (14) is fixedly connected to the shifting fork shaft (15), and a shifting arm of the shifting fork (14) extends into an annular groove of the clutch sleeve (10);
the main tong comprises a main tong shell (1), and is characterized in that a swing oil cylinder (16) is detachably connected to the main tong shell (1) through a bolt, the output end of the swing oil cylinder (16) is connected with one end of a shifting fork shaft (15), and the swing oil cylinder (16) drives the shifting fork shaft (15) to swing within a certain angle; the swing oil cylinder (16) is connected with a hydraulic electromagnetic directional valve (18) controlled by a PLC (programmable logic controller) (17) through an oil pipe.
2. The high-low speed two-gear driving mechanism of the power tong as claimed in claim 1, wherein: the PLC (17) is also connected with a human-computer interaction module (19).
3. The high-low speed two-gear driving mechanism of the power tong as claimed in claim 1, wherein: the hydraulic electromagnetic directional valve (18) is a two-position four-way electromagnetic directional valve.
4. The high-low speed two-gear driving mechanism of the power tong as claimed in claim 1, wherein: the other end of the shifting fork shaft (15) extends out of the main tong shell (1) and is bent twice to form a rocking handle shape.
5. The high-low speed two-gear driving mechanism of the power tong as claimed in claim 1, wherein: the shifting fork shaft (15) is connected with the output end of the swing oil cylinder (16) through a key.
6. The high-low speed two-gear driving mechanism of the power tong as claimed in claim 1, wherein: the two driven shafts (5) are arranged, and the driving shaft (3) and the two driven shafts (5) are arranged in a finished product shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121766313.XU CN215634754U (en) | 2021-07-31 | 2021-07-31 | High-low speed two-gear driving mechanism of power tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121766313.XU CN215634754U (en) | 2021-07-31 | 2021-07-31 | High-low speed two-gear driving mechanism of power tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215634754U true CN215634754U (en) | 2022-01-25 |
Family
ID=79893783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121766313.XU Active CN215634754U (en) | 2021-07-31 | 2021-07-31 | High-low speed two-gear driving mechanism of power tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215634754U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750695A (en) * | 2022-10-25 | 2023-03-07 | 重庆机床(集团)有限责任公司 | Large-scale numerical control gear hobbing machine knife rest gear shifting mechanism and gear shifting method thereof |
-
2021
- 2021-07-31 CN CN202121766313.XU patent/CN215634754U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750695A (en) * | 2022-10-25 | 2023-03-07 | 重庆机床(集团)有限责任公司 | Large-scale numerical control gear hobbing machine knife rest gear shifting mechanism and gear shifting method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215634754U (en) | High-low speed two-gear driving mechanism of power tongs | |
| CN2815564Y (en) | Drilling machine mainshaft box structure using frequency gowernor | |
| CN203801216U (en) | Transmission and lifting device of boat tractor | |
| CN205743775U (en) | Fully automatic hydraulic Power Tong | |
| CN201460890U (en) | Speed-changing excavator | |
| CN101943192B (en) | Two-position six-way speed regulating valve for double-motor driven drill | |
| CN210661227U (en) | Vertical manual four-gear gearbox for drilling machine | |
| CN109396479A (en) | A kind of smart can control bores deep variable-frequency stepless speed-regulating radial drilling machine | |
| CN2298091Y (en) | Self-propelle drilling tapping machine | |
| CN204529201U (en) | The used time delay release control device of stopping of petroleum winch | |
| CN209491357U (en) | A kind of smart can control bores deep variable-frequency stepless speed-regulating cylinder vertical drill | |
| CN210290939U (en) | Portable pneumatic valve spanner | |
| CN2423051Y (en) | Electric hand drill with thread cutting and nut driving machine | |
| CN209491359U (en) | A kind of smart can control bores deep variable-frequency stepless speed-regulating radial drilling machine | |
| CN201136102Y (en) | Automatic tool-replacing mechanism | |
| CN201810606U (en) | Double-motor drive drilling machine double-position six-way speed regulating valve | |
| CN112796359A (en) | Alternative device of adjustable drill bit and clamping tool for excavator | |
| CN220748672U (en) | Hydraulic system of power tongs | |
| CN219733774U (en) | Full-hydraulic control type reversing valve control device | |
| CN202021345U (en) | Main shaft box utilizing electric pushing rod and limiting switch to shift gear | |
| CN206190884U (en) | Shift fork aggregate unit | |
| CN205780795U (en) | A kind of 12 grades of speed changing structures of monolever | |
| CN110952938A (en) | Automatic hydraulic power combination tongs | |
| CN215672086U (en) | Main tong reversing mechanism of power tongs | |
| CN203023406U (en) | Gearbox of steel bar bender |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |