CN114151319B - Packing adjusting system and method - Google Patents
Packing adjusting system and method Download PDFInfo
- Publication number
- CN114151319B CN114151319B CN202111437287.0A CN202111437287A CN114151319B CN 114151319 B CN114151319 B CN 114151319B CN 202111437287 A CN202111437287 A CN 202111437287A CN 114151319 B CN114151319 B CN 114151319B
- Authority
- CN
- China
- Prior art keywords
- packing
- driving
- pressing cap
- drive
- control system
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
Abstract
The application relates to a packing regulating system and method, and relates to the field of oil-gas equipment. The packing adjusting system comprises a control system, a driving system, a packing pressing cap tightening device and a packing pressing cap; the control system is used for sending a driving signal to the driving system; the driving system is used for receiving the driving signal sent by the control system and driving the packing cap pressing and loosening device to move according to the driving signal; and the packing pressing cap loosening and tightening device is used for screwing or unscrewing the packing pressing cap under the driving of the driving system. This application is used for solving the unstable problem of packing pressurized.
Description
Technical Field
The application relates to the field of oil and gas equipment, in particular to a packing adjusting system and method.
Background
At present, in an oil and gas field operation field, a packing pressing cap of a plunger pump adopts a mode of mechanically preventing looseness or regularly performing packing pressing cap pre-tightening.
By adopting a mechanical fixing and anti-loosening mode, although the pressing cap can be ensured not to be loosened, the pressure of the pressing cap on the packing in the process can change along with the long operation time, and if the packing is worn quickly, the extrusion force borne by the packing is reduced, so that the sealing effect is influenced; if the deposit of packing dress valve box terminal surface increases, then can compress the packing space, lead to the extrusion force that the packing receives to increase, so have very big influence to the life of packing.
In addition, regular pretension also only carries out the pretension to the pressure cap that becomes flexible, to excessive compression packing, leads to the packing to press the phenomenon that the moment of torsion of cap is big, can not carry out the adjustment of moment of torsion, and the extrusion force that to a great extent packing receives increases, also can influence the life-span.
Disclosure of Invention
The application provides a packing adjusting system and method for solving the problem that packing is unstable under pressure.
In a first aspect, an embodiment of the present application provides a packing adjusting system, which includes a control system, a driving system, a packing pressing cap tightening device, and a packing pressing cap;
the control system is used for sending a driving signal to the driving system;
the driving system is used for receiving the driving signal sent by the control system and driving the packing gland tightening device to move according to the driving signal;
and the packing pressing cap loosening and tightening device is used for screwing or unscrewing the packing pressing cap under the driving of the driving system.
Optionally, the packing gland tightening device comprises a driving wheel, a load wheel and a transmission chain;
the control system is connected with the input end of the driving system, the output shaft of the driving system penetrates through the driving wheel and the load wheel, and the load wheel is connected with the packing pressing cap through the transmission chain.
Optionally, the packing adjustment system further comprises a displacement sensor;
the displacement sensor is used for acquiring displacement information of the packing pressing cap and sending the displacement information to the control system, wherein the displacement information is used for indicating whether the packing pressing cap rotates or not;
and the control system is used for acquiring the displacement information sent by the displacement sensor and generating the driving signal according to the displacement information.
Optionally, the control system is specifically configured to determine whether the packing gland rotates according to the displacement information, obtain a determination result, and generate the driving signal according to the determination result.
Optionally, the control system is specifically configured to generate a forward rotation signal if the determination result indicates that the packing gland rotates, and use the forward rotation signal as the driving signal;
the driving system is specifically configured to receive the forward rotation signal sent by the control system, drive the driving wheel and the load wheel according to the forward rotation signal, rotate along an output shaft of the driving system away from the driving system, and screw the packing pressing cap.
Optionally, the control system is specifically configured to generate a reverse signal if the packing pressing cap is not rotated according to the determination result, and use the reverse signal as the driving signal;
the driving system is specifically configured to receive the reverse rotation signal sent by the control system, drive the driving wheel and the load wheel according to the reverse rotation signal, rotate toward the driving system along an output shaft of the driving system, and unscrew the packing pressing cap.
Optionally, the control system is further configured to obtain a torque value of the packing gland, and if the torque value is smaller than a preset torque value, generate a forward rotation signal, and use the forward rotation signal as the driving signal;
the driving system is specifically configured to receive the forward rotation signal sent by the control system, drive the driving wheel and the load wheel according to the forward rotation signal, rotate along an output shaft of the driving system away from the driving system, and screw the packing pressing cap.
Optionally, the control system is further configured to obtain a torque value of the packing gland, generate a limit torque signal if the torque value is equal to a preset torque value, and use the limit torque signal as the driving signal;
the driving system is specifically configured to receive the torque limiting signal sent by the control system, drive the load wheel to stop rotating according to the torque limiting signal, drive the driving wheel to rotate along an output shaft of the driving system away from the driving system, and stop rotating the packing gland.
Optionally, the driving system and the packing gland tightening device are arranged in a one-to-one correspondence manner.
Optionally, the number of the drive systems is one, and the number of the packing gland tightening mechanisms is at least two;
the packing adjusting system further comprises a linkage chain, and the linkage chain is connected with the driving wheels.
In a second aspect, an embodiment of the present application provides a packing adjustment method, including:
controlling a driving system to drive a packing pressing cap loosening and tightening device, and screwing a packing pressing cap according to a preset torque value;
acquiring displacement information of the packing pressing cap, wherein the displacement information is used for indicating whether the packing pressing cap rotates or not;
judging whether the packing pressing cap rotates or not according to the displacement information to obtain a judgment result;
and controlling the driving system to drive the packing pressing cap tightening and loosening device according to the judgment result, and screwing or unscrewing the packing pressing cap.
Optionally, according to the determination result, controlling the driving system to drive the packing pressing cap tightening device to screw or unscrew the packing pressing cap includes:
if the judgment result is that the packing pressing cap rotates, controlling the driving system to drive the packing pressing cap tightening and loosening device, and screwing the packing pressing cap according to the preset torque value;
and if the judgment result shows that the packing pressing cap does not rotate, controlling the driving system to drive the packing pressing cap loosening and tightening device to loosen the packing pressing cap.
Optionally, the controlling the driving system to drive the packing gland tightening device, and after unscrewing the packing gland, the method further includes:
acquiring a torque value of the packing pressing cap;
and if the torque value is smaller than the preset torque value, controlling the driving system to drive the packing pressing cap tightening and loosening device, and screwing the packing pressing cap according to the preset torque value.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages: in the embodiment of the application, a packing governing system is provided, press cap resilient means and packing to press the cap including control system, actuating system, packing, control system is used for sending drive signal to actuating system, and actuating system is used for receiving the drive signal that control system sent to press cap resilient means motion according to drive signal drive packing, and packing is pressed cap resilient means and is used for under actuating system's drive, screws or unscrews packing and presses the cap. This application passes through the actuating signal that actuating system received control system sent to press cap take-up unit according to actuating signal drive packing, the cap is pressed to the packing of screwing or unscrewing, make the packing can work under a stable packing force operating mode, make the packing keep good leakproofness, reduce because of the packing is too loose, cause the packing department to pierce and lose efficacy, and lead to the packing wearing and tearing speed to accelerate when tension, and then improve the life of packing, the unstable problem of packing pressurized has been solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
FIG. 1 is a schematic structural diagram of a packing adjustment system according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a packing adjustment system according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of an installed packing adjustment system according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a packing adjustment system according to an embodiment of the present application;
FIG. 5 is a schematic flow chart illustrating a method for packing adjustment according to an embodiment of the present disclosure;
fig. 6 is a flow chart illustrating a method for packing adjustment according to an embodiment of the present application.
Description of reference numerals: the device comprises a control system 1, a driving system 2, a packing pressing cap 3, a packing pressing cap 4, a driving wheel 31, a load wheel 32, a transmission chain 33, a linkage chain 34, a hydraulic end 5 and a support frame 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.
In the embodiment of the present application, as shown in fig. 1, a packing adjusting system is provided, which includes a control system 1, a driving system 2, a packing pressing cap tightening device 3, and a packing pressing cap 4.
The control system 1 is used for sending a driving signal to the driving system 2;
the driving system 2 is used for receiving the driving signal sent by the control system 1 and driving the packing cap pressing and loosening device 3 to move according to the driving signal;
and the packing pressing cap loosening and tightening device 3 is used for screwing or unscrewing the packing pressing cap 4 under the driving of the driving system.
This application is through the actuating signal that actuating system received control system sent to press the cap take-up unit according to actuating signal drive packing, the cap is pressed to the packing of screwing or unscrewing, make the packing can work under a stable packing force operating mode, make the packing keep good leakproofness, reduce because of the packing is too loose, cause packing department to pierce and leak the inefficacy, and lead to packing wearing and tearing speed to accelerate when too tight, and then improve the life of packing, the unstable problem of packing pressurized has been solved.
In one embodiment, as shown in fig. 2, the packing gland tensioner 3 includes a drive wheel 31, a load wheel 32 and a drive chain 33.
The control system 1 is connected with the input end of the driving system 2, the output shaft of the driving system 2 penetrates through the driving wheel 31 and the load wheel 32, and the load wheel 32 is connected with the packing pressing cap 4 through the transmission chain 33.
The number of the driving systems 2 is one, and the number of the packing gland elastic devices 3 is at least two. The packing adjustment system further includes a linkage chain 34, the linkage chain 34 connecting each of the drive wheels 31. The packing gland 4 is connected with the packing in the hydraulic end 5. As shown in fig. 3, the drive system 2 is mounted on a support frame 6. The position of actuating system 2 is fixed unchangeable, axial back-and-forth movement can be done along actuating system 2's output shaft to packing pressure cap take-up unit 3, drive wheel 31 constitutes the torque limiter with load wheel 32, in time make independent effectual control to the torque value of every packing pressure cap 4, realize overload protection, when the torque value of packing pressure cap 4 equals to predetermine the torque value promptly, under the circumstances of actuating system 2 operation, load wheel 32 stall, drive wheel 31 deviates from actuating system 2 along actuating system 2's output shaft and rotates, stop to the packing and press cap 4 to carry the moment of torsion, the cap 4 is pressed to the stall packing, and can in time feed back to control system 1, make control system 1 stop power output.
The drive system 2 and packing gland tightening means 3 take a one-to-many form. The output shaft of the driving system 2 penetrates through a driving wheel 31 and a load wheel 32 in the packing pressing cap elastic device 3 directly connected with the driving system 2, the packing pressing cap elastic device 3 directly connected with the driving system 2 is directly driven by the driving system 2 to move, and the packing pressing cap elastic device 3 directly connected with the driving system 2 moves together with the packing pressing cap elastic device 3 not directly connected with the driving system 2 through a linkage chain 34. Realize that 2 drive of a actuating system 3 motions of a plurality of packing pressure cap take-up units, also can realize dismantling and installing when a plurality of packing pressure caps 4, can also realize the dismouting of single packing pressure cap 4 through the numerical value of adjusting every moment of torsion limiter. Can realize that the packing presses the quick assembly disassembly function of cap 4, improve dismouting efficiency, reduce intensity of labour, in addition, simple structure is easily installed and is changed, easy to maintain.
The packing adjustment system also includes a displacement sensor. The displacement sensor is used for acquiring displacement information of the packing pressing cap 4 and sending the displacement information to the control system 1, wherein the displacement information is used for indicating whether the packing pressing cap 4 rotates or not; and the control system 1 is used for acquiring the displacement information sent by the displacement sensor and generating a driving signal according to the displacement information. Wherein, the displacement information may be a distance value that the packing gland 4 moves.
The control system 1 is specifically configured to determine whether the packing pressing cap 4 rotates according to the displacement information, obtain a determination result, and generate a driving signal according to the determination result.
The control system 1 is specifically configured to generate a forward rotation signal if the packing pressure cap 4 rotates according to the judgment result, and use the forward rotation signal as a driving signal; the driving system 2 is specifically configured to receive a forward rotation signal sent by the control system 1, drive the driving wheel 31 and the load wheel 32 in the packing pressing cap loosening and tightening device 3 according to the forward rotation signal, and rotate away from the driving system 2 along an output shaft of the driving system 2, so as to tighten the packing pressing cap 4.
The control system 1 is specifically configured to generate an inversion signal if the packing pressing cap 4 does not rotate according to the determination result, and use the inversion signal as a driving signal; the driving system 2 is specifically configured to receive the reversal signal sent by the control system 1, drive the driving wheel 31 and the load wheel 32 in the packing cap tightening device 3 according to the reversal signal, rotate toward the driving system 2 along the output shaft of the driving system 2, and loosen the packing cap 4.
After the packing pressing cap 4 is unscrewed, the control system 1 is further configured to obtain a torque value of the packing pressing cap 4, and if the torque value is smaller than a preset torque value, a forward rotation signal is generated and used as a driving signal; the driving system 2 is specifically configured to receive a forward rotation signal sent by the control system 1, drive the driving wheel 31 and the load wheel 32 in the packing pressing cap tightening device 3 according to the forward rotation signal, rotate away from the driving system 2 along an output shaft of the driving system 2, and tighten the packing pressing cap 4. The preset torque value may be an empirical value or a numerical value obtained through multiple tests.
In the process of screwing the packing pressing cap 4, the control system 1 is also used for acquiring a torque value of the packing pressing cap 4, if the torque value is equal to a preset torque value, a limiting torque signal is generated, and the limiting torque signal is used as a driving signal; the driving system 2 is specifically configured to receive the torque limiting signal sent by the control system 1, and drive the load wheel 32 to stop rotating according to the torque limiting signal, so as to drive the driving wheel 31 in the packing cap pressing take-up unit 3 to rotate along the output shaft of the driving system 2 away from the driving system 2, and stop rotating the packing cap pressing 4. When the torque value is equal to the preset torque value, the torque limiter limits the torque force in a slip manner, i.e., the load wheel 32 stops rotating and the driving wheel 31 continues to rotate. And timely feeds back the power to the control system 1, so that the control system 1 stops power output, and the control system 1 controls the driving system 2 to stop running.
This application is through the actuating signal that actuating system received control system sent to press the cap take-up unit according to actuating signal drive packing, the cap is pressed to the packing of screwing or unscrewing, make the packing can work under a stable packing force operating mode, make the packing keep good leakproofness, reduce because of the packing is too loose, cause packing department to pierce and leak the inefficacy, and lead to packing wearing and tearing speed to accelerate when too tight, and then improve the life of packing, the unstable problem of packing pressurized has been solved. The packing of having realized the plunger pump presses the cap automatic pretension function under unoperated state, has solved the present manual work and has patrolled and examined the current situation that wastes time and energy, the moment of torsion is nonuniform, makes the plunger pump maintain the maintenance more convenient.
In one embodiment, as shown in fig. 4, the packing gland tensioner 3 includes a drive wheel 31, a load wheel 32 and a drive chain 33.
The control system 1 is connected with the input end of the driving system 2, the output shaft of the driving system 2 penetrates through the driving wheel 31 and the load wheel 32, and the load wheel 32 is connected with the packing pressing cap 4 through a transmission chain 33.
The driving system 2 and the packing gland elastic device 3 are arranged in a one-to-one correspondence mode. The drive system 2 and packing gland tightening means 3 take a one-to-one form. The independent disassembly and assembly of each packing pressing cap 4 can be realized. Can realize that the packing presses the quick assembly disassembly function of cap 4, improve dismouting efficiency, reduce intensity of labour, in addition, simple structure easily installs and changes easy to maintain.
The drive system 2 is mounted on a support frame 6. The position of actuating system 2 is fixed unchangeable, axial back-and-forth movement can be done along actuating system 2's output shaft to packing pressure cap take-up unit 3, drive wheel 31 constitutes the torque limiter with load wheel 32, in time make independent effectual control to the torque value of every packing pressure cap 4, realize overload protection, when the torque value of packing pressure cap 4 equals to predetermine the torque value promptly, under the circumstances of actuating system 2 operation, load wheel 32 stall, drive wheel 31 deviates from actuating system 2 along actuating system 2's output shaft and rotates, stop to the packing and press cap 4 to carry the moment of torsion, the cap 4 is pressed to the stall packing, and can in time feed back to control system 1, make control system 1 stop power output.
The packing adjustment system also comprises a displacement sensor. The displacement sensor is used for acquiring displacement information of the packing pressing cap 4 and sending the displacement information to the control system 1, wherein the displacement information is used for indicating whether the packing pressing cap 4 rotates or not; and the control system 1 is used for acquiring the displacement information sent by the displacement sensor and generating a driving signal according to the displacement information. The displacement information may be a distance value that the packing gland 4 moves.
The control system 1 is specifically configured to determine whether the packing pressing cap 4 rotates according to the displacement information, obtain a determination result, and generate a driving signal according to the determination result.
The control system 1 is specifically configured to generate a forward rotation signal if the packing pressure cap 4 rotates according to the judgment result, and use the forward rotation signal as a driving signal; the driving system 2 is specifically configured to receive a forward rotation signal sent by the control system 1, drive the driving wheel 31 and the load wheel 32 in the packing pressing cap loosening and tightening device 3 according to the forward rotation signal, and rotate away from the driving system 2 along an output shaft of the driving system 2, so as to tighten the packing pressing cap 4.
The control system 1 is specifically configured to generate an inversion signal if the packing pressing cap 4 does not rotate according to the determination result, and use the inversion signal as a driving signal; the driving system 2 is specifically configured to receive the reverse signal sent by the control system 1, drive the driving wheel 31 and the load wheel 32 in the packing cap tightening and loosening device 3 according to the reverse signal, and rotate toward the driving system 2 along the output shaft of the driving system 2 to loosen the packing cap 4.
After the packing pressing cap 4 is unscrewed, the control system 1 is further configured to obtain a torque value of the packing pressing cap 4, and if the torque value is smaller than a preset torque value, a forward rotation signal is generated and used as a driving signal; the driving system 2 is specifically configured to receive a forward rotation signal sent by the control system 1, drive the driving wheel 31 and the load wheel 32 in the packing pressing cap tightening device 3 according to the forward rotation signal, rotate away from the driving system 2 along an output shaft of the driving system 2, and tighten the packing pressing cap 4. The preset torque value may be an empirical value or a numerical value obtained through multiple tests.
In the process of screwing the packing pressing cap 4, the control system 1 is also used for acquiring a torque value of the packing pressing cap 4, if the torque value is equal to a preset torque value, a limiting torque signal is generated, and the limiting torque signal is used as a driving signal; the driving system 2 is specifically configured to receive the torque limiting signal sent by the control system 1, and drive the load wheel 32 to stop rotating according to the torque limiting signal, drive the driving wheel 31 in the packing cap pressing take-up unit 3 to deviate from the driving system 2 along the output shaft of the driving system 2, and stop rotating the packing cap pressing 4. When the torque value is equal to the preset torque value, the torque limiter limits the torque in a slip manner, i.e., the load wheel 32 stops rotating and the driving wheel 31 continues to rotate. And timely feeding back to the control system 1 to stop the power output of the control system 1, and controlling the driving system 2 to stop running by the control system 1.
This application passes through the actuating signal that actuating system received control system sent to press cap take-up unit according to actuating signal drive packing, the cap is pressed to the packing of screwing or unscrewing, make the packing can work under a stable packing force operating mode, make the packing keep good leakproofness, reduce because of the packing is too loose, cause the packing department to pierce and lose efficacy, and lead to the packing wearing and tearing speed to accelerate when tension, and then improve the life of packing, the unstable problem of packing pressurized has been solved. The packing of having realized the plunger pump presses the cap automatic pretension function under unoperated state, has solved the present manual work and has patrolled and examined the current situation that wastes time and energy, the moment of torsion is nonuniform, makes the plunger pump maintain the maintenance more convenient.
Based on the same concept, in the embodiment of the present application, as shown in fig. 5, a packing adjusting method is provided, and is applied to the control system 1, where the packing adjusting method mainly includes:
The preset torque value may be an empirical value or a numerical value obtained through multiple tests.
In one embodiment, before the control driving system drives the packing pressing cap tightening and loosening device and screws the packing pressing cap according to the preset torque value, the packing adjusting method further includes: and determining that the plunger pump is in a non-working state. When the plunger pump is in a non-working state, the packing is adjusted, and the situation that the sealing performance is poor in the packing adjusting process is avoided, so that the normal work of the plunger pump is influenced.
The displacement information may be a distance value that the packing presses the cap to move.
And 503, judging whether the packing gland rotates or not according to the displacement information to obtain a judgment result.
And step 504, controlling a driving system to drive a packing pressing cap tightening and loosening device according to the judgment result, and screwing or unscrewing the packing pressing cap.
This application is passed through control system control drive system drive packing and is pressed cap straining device, press the cap according to the packing of predetermineeing the torque value of screwing, press the cap whether to rotate according to the packing again, control drive system drive packing presses cap straining device, the cap is pressed to the packing of perhaps unscrewing, make the packing can work under a stable packing force operating mode, make the packing keep good leakproofness, reduce because of the packing is too loose, cause packing department thorn to leak and become invalid, and lead to packing wearing and tearing speed to accelerate when too tight, and then improve the life of packing, the unstable problem of packing pressurized has been solved. Make plunger pump packing press the cap and compress tightly the packing with invariable predetermined torque value all the time, reach packing pressurized stabilization function, guarantee the leakproofness of packing and plunger to increase of service life. The packing of having realized the plunger pump presses the automatic pretension function of cap under unoperated state, has solved present artifical current situation of patrolling and examining time-consuming and energy-consuming, moment of torsion are nonuniform, makes the plunger pump maintain the maintenance more convenient.
In one embodiment, according to the determination result, the driving system is controlled to drive the packing pressing cap loosening and tightening device to screw or unscrew the packing pressing cap, including: if the judgment result is that the packing pressing cap rotates, controlling a driving system to drive a packing pressing cap loosening and tightening device, and screwing the packing pressing cap according to a preset torque value; if the judgment result is that the packing pressing cap does not rotate, the driving system is controlled to drive the packing pressing cap loosening and tightening device to unscrew the packing pressing cap.
So reciprocal, make plunger pump packing press the cap and compress tightly the packing with invariable predetermined torque value all the time, reach packing pressurized stabilization function, guarantee the leakproofness of packing and plunger to increase of service life.
In one embodiment, the control driving system drives the packing pressing cap loosening and tightening device, and after the packing pressing cap is loosened, the packing adjusting method further comprises the following steps: acquiring a torque value of a packing pressing cap; if the torque value is smaller than the preset torque value, the driving system is controlled to drive the packing pressing cap loosening and tightening device, and the packing pressing cap is screwed according to the preset torque value.
In one embodiment, the control driving system drives the packing pressing cap loosening and tightening device, and after the packing pressing cap is screwed according to a preset torque value, the packing adjusting method further comprises the following steps: the torque value of the packing pressing cap is obtained, if the torque value is equal to the preset torque value, the driving system is controlled to drive the packing pressing cap loosening and tightening device, and the packing pressing cap stops rotating.
In one embodiment, as shown in fig. 6, the method of packing adjustment includes:
And 603, judging whether the packing pressing cap rotates or not by the control system according to the displacement information. If yes, go to step 604, otherwise go to step 605.
And step 604, controlling the driving system to rotate forwards by the control system, driving the packing pressing cap tightening and loosening device by the driving system, and screwing the packing pressing cap according to a preset torque value.
And step 605, the control system controls the driving system to reversely rotate, the driving system drives the packing pressing cap loosening and tightening device, and the packing pressing cap is unscrewed.
And 606, the control system acquires a torque value of the packing pressing cap.
In step 607, the control system determines whether the torque value is less than a predetermined torque value, if so, step 601 is executed, otherwise, step 608 is executed.
And step 608, controlling the driving system to drive the packing pressing cap loosening and tightening device by the control system, and stopping rotating the packing pressing cap.
It should be noted that in the description of the present application, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above description is merely illustrative of particular embodiments of the invention that enable those skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (12)
1. A packing adjusting system is characterized by comprising a control system, a driving system, a packing pressing cap tightening device and a packing pressing cap;
the control system is used for sending a driving signal to the driving system;
the driving system is used for receiving the driving signal sent by the control system and driving the packing cap pressing and loosening device to move according to the driving signal;
the packing pressing cap tightening device is used for screwing or unscrewing the packing pressing cap under the driving of the driving system;
the packing adjusting system also comprises a displacement sensor;
the displacement sensor is used for acquiring displacement information of the packing pressing cap and sending the displacement information to the control system, wherein the displacement information is used for indicating whether the packing pressing cap rotates or not;
and the control system is used for acquiring the displacement information sent by the displacement sensor and generating the driving signal according to the displacement information.
2. The packing adjustment system of claim 1, wherein the packing cap tensioner includes a drive wheel, a load wheel, and a drive chain;
the control system is connected with the input end of the driving system, the output shaft of the driving system penetrates through the driving wheel and the load wheel, and the load wheel is connected with the packing pressing cap through the transmission chain.
3. The packing adjustment system according to claim 2, wherein the control system is specifically configured to determine whether the packing gland rotates according to the displacement information, obtain a determination result, and generate the driving signal according to the determination result.
4. The packing adjustment system of claim 3, wherein the control system is specifically configured to generate a forward rotation signal if the packing gland rotates as a result of the determination, and use the forward rotation signal as the driving signal;
the driving system is specifically configured to receive the forward rotation signal sent by the control system, drive the driving wheel and the load wheel according to the forward rotation signal, rotate along an output shaft of the driving system away from the driving system, and screw the packing press cap.
5. The packing adjustment system according to claim 3, wherein the control system is specifically configured to generate a reverse signal if the packing gland is not rotated as a result of the determination, and use the reverse signal as the driving signal;
the driving system is specifically configured to receive the reverse rotation signal sent by the control system, drive the driving wheel and the load wheel according to the reverse rotation signal, rotate toward the driving system along an output shaft of the driving system, and unscrew the packing pressing cap.
6. The packing adjustment system of claim 5, wherein the control system is further configured to obtain a torque value of the packing gland, and if the torque value is smaller than a preset torque value, generate a forward rotation signal, and use the forward rotation signal as the driving signal;
the driving system is specifically configured to receive the forward rotation signal sent by the control system, drive the driving wheel and the load wheel according to the forward rotation signal, rotate along an output shaft of the driving system away from the driving system, and screw the packing pressing cap.
7. The packing adjustment system according to claim 4 or 6, wherein the control system is further configured to obtain a torque value of the packing gland, and if the torque value is equal to a preset torque value, generate a limit torque signal, and use the limit torque signal as the driving signal;
the driving system is specifically configured to receive the torque limiting signal sent by the control system, drive the load wheel to stop rotating according to the torque limiting signal, drive the driving wheel to deviate from the driving system along an output shaft of the driving system, and stop rotating the packing pressing cap.
8. The packing adjustment system of claim 1, wherein the drive system and the packing gland tightening mechanism are arranged in a one-to-one correspondence.
9. The packing adjustment system according to claim 2, wherein the number of the drive systems is one, and the number of the packing gland tensioners is at least two;
the packing adjusting system further comprises a linkage chain, and the linkage chain is connected with the driving wheels.
10. A method of packing regulation, comprising:
controlling a driving system to drive a packing pressing cap loosening and tightening device, and screwing a packing pressing cap according to a preset torque value;
acquiring displacement information of the packing pressing cap, wherein the displacement information is used for indicating whether the packing pressing cap rotates or not;
judging whether the packing pressing cap rotates or not according to the displacement information to obtain a judgment result;
and controlling the driving system to drive the packing pressing cap loosening and tightening device to screw or unscrew the packing pressing cap according to the judgment result.
11. The packing adjustment method according to claim 10, wherein the controlling the driving system to drive the packing pressing cap tightening/loosening device to tighten or loosen the packing pressing cap according to the determination result includes:
if the judgment result is that the packing pressing cap rotates, controlling the driving system to drive the packing pressing cap loosening and tightening device, and screwing the packing pressing cap according to the preset torque value;
and if the judgment result shows that the packing pressing cap does not rotate, controlling the driving system to drive the packing pressing cap loosening and tightening device to loosen the packing pressing cap.
12. The packing adjustment method according to claim 11, wherein the controlling the drive system to drive the packing gland tightening mechanism after unscrewing the packing gland, the method further comprises:
acquiring a torque value of the packing pressing cap;
and if the torque value is smaller than the preset torque value, controlling the driving system to drive the packing pressing cap tightening and loosening device, and screwing the packing pressing cap according to the preset torque value.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111437287.0A CN114151319B (en) | 2021-11-29 | 2021-11-29 | Packing adjusting system and method |
| PCT/CN2022/071327 WO2023092836A1 (en) | 2021-11-29 | 2022-01-11 | Packing adjustment system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111437287.0A CN114151319B (en) | 2021-11-29 | 2021-11-29 | Packing adjusting system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114151319A CN114151319A (en) | 2022-03-08 |
| CN114151319B true CN114151319B (en) | 2022-10-11 |
Family
ID=80784239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111437287.0A Active CN114151319B (en) | 2021-11-29 | 2021-11-29 | Packing adjusting system and method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114151319B (en) |
| WO (1) | WO2023092836A1 (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3643501A (en) * | 1969-11-18 | 1972-02-22 | Ingersoll Rand Co | Wrenching system and method |
| US4027530A (en) * | 1976-03-31 | 1977-06-07 | Standard Pressed Steel Co. | Simplified apparatus for and method of tightening fasteners |
| CA2311036A1 (en) * | 2000-06-09 | 2001-12-09 | Oil Lift Technology Inc. | Pump drive head with leak-free stuffing box, centrifugal brake and polish rod locking clamp |
| CN203978368U (en) * | 2014-06-04 | 2014-12-03 | 中国石油化工股份有限公司 | Oil water well test blowout-proof pressure cap gear type adjuster |
| CN105156059B (en) * | 2015-09-25 | 2017-08-25 | 长春市艾必利务科技有限公司 | A kind of automatic winding device of beam-pumping unit packing with remote monitoring function |
| CN106382218B (en) * | 2016-11-30 | 2019-05-10 | 潍坊胜利石化机械有限公司 | Automatic tight packing unit |
| CN209687452U (en) * | 2019-02-20 | 2019-11-26 | 大庆宏升石油机械设备制造有限公司 | A kind of beam-pumping unit portal disc radical elasticity self-checking device |
| CN112963113A (en) * | 2021-02-05 | 2021-06-15 | 东营市昌瑞石油机械配件有限责任公司 | Polish rod sealer with automatic tightening device |
| CN113338834A (en) * | 2021-07-26 | 2021-09-03 | 中国石油大学胜利学院 | Automatic pressure regulating polish rod sealing device |
| CN113701956A (en) * | 2021-08-18 | 2021-11-26 | 孙文海 | A multistage detection is from screwing up protection system for preventing well head packing from leaking |
-
2021
- 2021-11-29 CN CN202111437287.0A patent/CN114151319B/en active Active
-
2022
- 2022-01-11 WO PCT/CN2022/071327 patent/WO2023092836A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN114151319A (en) | 2022-03-08 |
| WO2023092836A1 (en) | 2023-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114151319B (en) | Packing adjusting system and method | |
| US10758910B2 (en) | Horizontal grinding machine with engine fuel consumption control | |
| CN215110345U (en) | Motor belt drive tensioner | |
| US11466711B2 (en) | Clamping device for a screw connection | |
| CN113338834A (en) | Automatic pressure regulating polish rod sealing device | |
| CN111535264B (en) | Lifting weir gate system and method for constructing lifting weir gate system | |
| CN101832344B (en) | Method and device for adjusting altitude of assistant separator levers of double action clutch | |
| CN211899708U (en) | Novel steel strand pulling machine | |
| CN205315625U (en) | Belt tightener for concrete mixer | |
| CN210438199U (en) | Wire winding device | |
| CN108609560A (en) | A kind of pressing device for sealing bucket | |
| CN106838167B (en) | Tensioning apparatus and compressor | |
| CN208252559U (en) | A kind of extruder stop nut structure | |
| CN202971777U (en) | Corn straw recycling machine and belt tensioner thereof | |
| CN206860798U (en) | Tensioning apparatus and compressor | |
| CN204900713U (en) | Single round formula belt drive overspeed device tensioner | |
| CN104475191A (en) | Axle roller distance adjusting structure | |
| CN215256116U (en) | Automatic pressure regulating polish rod sealing device | |
| CN218921041U (en) | Threshing concave plate automatic regulating device of combine harvester | |
| CN209696163U (en) | A kind of treadmill that adjustable treadbelt is elastic | |
| CN203072329U (en) | Spring chain tensioning device for cotton stalk pulling and mulch removing machine | |
| CN211677905U (en) | Crushing wall locking device for multi-cylinder crusher | |
| CN203544418U (en) | Belt delivery device for steel belt bundling machine | |
| CN220677433U (en) | Blade adjusting mechanism of pet food conditioner | |
| CN216492106U (en) | Electric control hydraulic clutch device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |