CN112268725B - System and method for testing and evaluating working performance of drilling, grinding and milling tool - Google Patents
System and method for testing and evaluating working performance of drilling, grinding and milling tool Download PDFInfo
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- CN112268725B CN112268725B CN202011159125.0A CN202011159125A CN112268725B CN 112268725 B CN112268725 B CN 112268725B CN 202011159125 A CN202011159125 A CN 202011159125A CN 112268725 B CN112268725 B CN 112268725B
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/58—Investigating machinability by cutting tools; Investigating the cutting ability of tools
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
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Abstract
The invention relates to a working performance test and evaluation system and method for an oil and gas field downhole tool, in particular to a working performance test and evaluation system and method for a well repairing drilling, grinding and milling tool. The system for testing and evaluating the working performance of the drilling, grinding and milling tool comprises a drilling, grinding and milling tool performance testing platform, a signal acquisition and display module and a bit pressure and rotating speed control module, can test the working performance of the whole drilling, grinding and milling tool, and has the advantages of good stability, good centering performance and high control precision. The method for testing and evaluating the working performance of the drilling, grinding and milling tool provided by the invention is comprehensive, and can be used for comprehensively testing and evaluating the working performance of the drilling, grinding and milling tool, wherein the testing of the working performance of the drilling, grinding and milling tool comprises bit pressure analysis and rotating speed analysis, and the quantitative evaluation of the drilling, grinding and milling tool is completed from three angles of working safety, working efficiency and tool wear resistance, so that the requirement for testing and evaluating the working performance of the drilling, grinding and milling tool on site can be better met.
Description
Technical Field
The invention relates to a working performance test and evaluation system and method for an oil and gas field downhole tool, in particular to a working performance test and evaluation system and method for a well repairing drilling, grinding and milling tool.
Background
When the oil gas well is blocked by a shaft, a drilling and milling tool needs to be put down to drill and remove obstacles, and the later-stage large-drift-diameter production is realized. Along with the advance of oil and gas exploration and development to the fields of low permeability, deep layers, sea areas and unconventional fields, the structure of a shaft is more and more complex, and higher requirements are put forward on the working performance of a drilling, grinding and milling tool. The drilling, grinding and milling tool under the current complex working condition generally has the problems of low efficiency, easy slipping, grinding immobility and the like, can not well meet the requirements on site construction efficiency and safety, and urgently needs to improve the working performance of the drilling, grinding and milling tool. The improvement of the working performance of the drilling, grinding and milling tool needs to perform experimental test and quantitative evaluation on the working performance of the drilling, grinding and milling tool, but the existing system for testing and evaluating the working performance of the drilling, grinding and milling tool mainly reforms the existing machine tool, and lacks a special experimental system for comprehensively testing the working performance of the drilling, grinding and milling tool aiming at the whole drilling, grinding and milling tool and having higher control precision, and also lacks a method for comprehensively testing and evaluating the working performance of the drilling, grinding and milling tool at present.
In addition, most of the working performance test systems for the drilling, grinding and milling tools adopt a hydraulic cylinder structure to provide thrust to simulate bit pressure, and have the defects of low control precision, incapability of real-time adjustment, complex hydraulic circuit and the like, so that the test result is not accurate enough. The Chinese invention patent CN201910508640.6 discloses a single-abrasive-particle drilling, grinding and milling tool performance test device, which mainly tests the working performance of a single-abrasive-particle drilling, grinding and milling tool and cannot test the performance of the whole drilling, grinding and milling tool; meanwhile, the patent mainly researches the influence rule of the structure type of the single abrasive particle and the drilling, grinding and milling process parameters on the drilling, grinding and milling process, but the working performance of the drilling, grinding and milling tool cannot be comprehensively tested.
Disclosure of Invention
The invention aims to overcome the defects of the performance test system of the existing drilling, grinding and milling tool, provides a system and a method for testing and evaluating the working performance of the drilling, grinding and milling tool, which can replace the similar products belonging to the current stage patents, and adopts the following technical scheme:
the invention provides a drilling, grinding and milling tool working performance test and evaluation system which comprises a drilling, grinding and milling tool performance test platform, a signal acquisition and display module and a bit pressure and rotating speed control module. The drilling, milling and milling tool performance testing platform consists of a three-phase asynchronous motor, an upper end coupler, a lower end coupler, a connecting joint, a dovetail groove guide rail, an electric cylinder fixing support, an electric cylinder driving motor, an electric cylinder reducer, an electric cylinder, a dovetail groove sliding platform, a workover fluid recovery tank, a four-jaw chuck, a drilling, milling and milling tool, a torque and rotation speed sensor, a planetary gear reducer, a driven pulley, a synchronous belt, a driving pulley, a platform top plate, a platform support, a base rear baffle, a platform base support, a base front baffle, a baffle fastening screw, a workover fluid discharge port, a workover fluid spray head, a coupler fixing support, a platform support upper fastening bolt, a support fastening support, a support fastening bolt, a support fastening flower basket, a support fastening disk, a platform support lower fastening bolt, a foundation bolt, a support fastening disk bolt, a foundation nut, a support pillar fastening support bolt, a support plate centering support plate, a motor fastening bolt, a reducer fastening bolt, an upper thrust bearing, a lower thrust bearing, a joint aligning bearing, a pressure sensor and a guide rail fastening screw; the signal acquisition display module consists of a signal acquisition cabinet, a signal display and a computer host; the drilling pressure and rotating speed control module consists of a frequency converter and a drilling pressure control cabinet, wherein the drilling pressure control cabinet consists of an error alarm indicator lamp, a touch screen, a normal work indicator lamp, a control cabinet body, a stop button, a pause button, a start button and a power switch.
Preferably, the three-phase asynchronous motor is a power source of a drilling, grinding and milling tool performance testing platform, the three-phase asynchronous motor is arranged vertically and is fixed on the lower bottom surface of a platform top plate through a motor fastening bolt, an output shaft of the three-phase asynchronous motor is coaxially and fixedly connected with a driving belt wheel through a key, the driving belt wheel is in belt transmission fit with a driven belt wheel through a synchronous belt, the driven belt wheel is coaxially and fixedly connected with an input shaft of a planetary gear reducer through a key, the planetary gear reducer is fixed on the lower bottom surface of the platform top plate through a reducer fastening bolt, an output shaft of the planetary gear reducer is coaxially and fixedly connected with the upper end of an upper end coupler through a key, the lower end of an upper end coupler is coaxially and fixedly connected with an input shaft of a torque and speed sensor through a key, an output shaft of the torque and speed sensor is coaxially and fixedly connected with the upper end of a lower end coupler through a key, the lower end of a lower end coupler is coaxially and fixedly connected with the upper end of a connecting joint through a key, the lower end of the connecting joint is coaxially and fixedly connected with the upper end of a drilling and milling tool through threads, the lower end surface of the drilling and milling tool is formed by surfacing welding a large number of hard alloy abrasive particles, a four-jaw chuck is arranged below the drilling and milling tool and used for clamping experimental workpieces in different shapes, the four-jaw chuck is fixed in a workover fluid recovery tank through fastening screws, a workover fluid discharge port is arranged at the front end of the workover fluid recovery tank, the workover fluid recovery tank is fixed above a dovetail groove sliding platform bottom plate through the fastening screws, a dovetail groove is arranged on a vertical plate of the dovetail groove sliding platform, the dovetail groove sliding platform can linearly reciprocate along a dovetail groove guide rail, the lower end of the dovetail groove guide rail is fixedly connected with the upper end of a platform base support through guide rail fastening screws, and the lower end of the dovetail groove sliding platform is fixedly connected with the upper end of a pressure sensor through the fastening bolts, the lower end of the pressure sensor is fixedly connected with the upper end of a piston rod of an electric cylinder through threads, the side face of the electric cylinder is fixedly connected with the upper end of a platform base support through an electric cylinder fixing support, the lower end of the electric cylinder is fixedly connected with the upper end of an electric cylinder reducer through a fastening bolt, the lower end of the electric cylinder reducer is fixedly connected with the output shaft of a driving motor of the electric cylinder through a shaft coupling, four supporting legs are arranged below the platform base support, the lower end of the supporting leg of the platform base support is fixedly connected with the ground through an anchor bolt and an anchor nut, the anchor bolt is fixed in the ground through pouring cement, the front end face of the platform base support is fixedly connected with a front base baffle through a baffle fastening bolt, and the rear end face of the platform base support is fixedly connected with a rear base baffle through welding.
Preferably, four platform supporting columns are arranged between the platform top plate and the platform base support, the upper ends of the platform supporting columns and the platform top plate are fixedly connected through upper fastening bolts of the platform supporting columns, the lower ends of the platform supporting columns and the platform base support are fixedly connected through lower fastening bolts of the platform supporting columns, fastening structures are arranged on the back and two sides of the drilling, milling and milling tool performance testing platform, in the fastening structures, the platform supporting columns and the supporting column fastening supports are fixedly connected through supporting column fastening support bolts, the supporting column fastening supports and the supporting column fastening bolts are hinged through fastening screws, the supporting column fastening bolts and the supporting column fastening baskets are fixedly connected through threaded matching, supporting column fastening bolts of the same structure are symmetrically arranged at two ends of the supporting column fastening baskets, the supporting column fastening bolts of the other side and the supporting column fastening discs are fixedly connected through supporting column fastening disc bolts, four supporting column fastening bolts are symmetrically arranged around the supporting column fastening discs, the fixed connection is realized through the supporting column fastening supports and the platform supporting columns, and the pretightening force of the fastening structures can be adjusted through rotating the supporting column fastening baskets.
Preferably, the upper end face of the platform base support is provided with a workover fluid spray head, the workover fluid spray head is fixedly connected with the upper end face of the platform base support through a magnet, workover fluid is injected into an experimental workpiece clamped by the four-jaw chuck through the workover fluid spray head so as to reduce the temperature of the drilling, grinding and milling tool in the working process, and then the workover fluid flows into the workover fluid recovery tank and is discharged through a workover fluid discharge port.
Preferably, the upper end of a coupler fixing frame is fixedly connected with the lower end of a planetary gear reducer through a fastening bolt, the side face of the coupler fixing frame is fixedly connected with a torque speed sensor through a fastening screw, the lower end of the coupler fixing frame is in coaxial clearance fit with the upper end of a connecting joint, the two ends of the centering support plate and the middle of a platform support post are fixedly connected through centering support plate screws, a round hole in the middle of the centering support plate is in coaxial interference fit with the outer ring of a centering bearing, the inner ring of the centering bearing is in coaxial interference fit with the middle of the connecting joint, the upper end of the connecting joint is of a ring structure, an upper thrust centering bearing and a lower thrust centering bearing are sequentially arranged inside a ring on the upper end of the connecting joint from top to bottom, the outer ring of the upper thrust centering bearing and the lower thrust centering bearing is in coaxial interference fit with the round ring on the upper end of the connecting joint, and the lower thrust centering bearing and the lower end coupler are coaxially and fixedly connected through a connecting shaft.
Preferably, the signal acquisition cabinet is connected with the torque and rotation speed sensor through a wire, meanwhile, the signal acquisition cabinet is connected with the host computer through a wire, and the host computer is connected with the signal display through a wire, wherein the signal acquisition cabinet is used for acquiring data of the torque and rotation speed sensor in real time, finishing data processing through the host computer and finally displaying a final result on the signal display.
Preferably, the frequency converter is connected with a three-phase asynchronous motor through a wire, the drilling pressure control cabinet is connected with an electric cylinder driving motor through a wire, meanwhile, the drilling pressure control cabinet is connected with a pressure sensor through a wire, an alarm indicator lamp is arranged on the front end face of a control cabinet box body of the drilling pressure control cabinet, the touch screen, a normal work indicator lamp, a stop button, a pause button, a start button and a power switch, the touch screen can display the current thrust value collected by the pressure sensor in real time, and meanwhile, keys of 'manual advance', 'manual retreat', 'original point return', 'start' and 'stop' are sequentially arranged on the touch screen. When a finger presses a manual forward key or a manual backward key of the touch screen, the electric cylinder driving motor drives the electric cylinder to move forward or backward at a set inching speed, and when the finger loosens, the electric cylinder stops operating; after a finger clicks a 'home point' button of the touch screen, the electric cylinder starts to execute a home point finding action and restores to an initial contraction state; after a finger clicks a start key of the touch screen, the electric cylinder starts to operate according to a set operation speed, and the electric cylinder does not return to the original point position until a stop key is clicked.
The invention provides a method for testing and evaluating the working performance of a drilling, grinding and milling tool, which comprises the following steps:
firstly, selecting a drilling, grinding and milling tool according to the field requirement;
secondly, testing the working performance of the drilling, grinding and milling tool by depending on a working performance test and evaluation system of the drilling, grinding and milling tool;
thirdly, recording and analyzing the working performance test data through a signal acquisition display module;
and fourthly, completing the working performance test and evaluation of the drilling, grinding and milling tool from three angles of working safety, working efficiency and tool wear resistance.
Preferably, in the second step, the working performance test of the drilling, grinding and milling tool comprises bit pressure analysis and rotating speed analysis, wherein the bit pressure analysis changes the bit pressure through a bit pressure control cabinet, and the working performance of the drilling, grinding and milling tool under different bit pressures is determined; and the rotating speed analysis changes the rotating speed through a frequency converter, and determines the working performance of the drilling, grinding and milling tool at different rotating speeds.
Preferably, in the fourth step, the working torque is used as an evaluation index of the working safety of the drilling, grinding and milling tool, and torque data are collected and analyzed through a torque and rotating speed sensor to complete quantitative evaluation of the working safety of the drilling, grinding and milling tool; the quality of the removed workpiece material is used as an evaluation index of the working efficiency of the drilling, grinding and milling tool, and the quantitative evaluation of the working efficiency of the drilling, grinding and milling tool is completed by determining the quality change before and after the test of the experimental workpiece; and the wear quality of the drilling, grinding and milling tool is used as an evaluation index of the wear resistance of the drilling, grinding and milling tool, and the quantitative evaluation of the wear resistance of the drilling, grinding and milling tool is completed by determining the quality change of the drilling, grinding and milling tool before and after the test.
The invention has the following advantages:
(1) The system for testing and evaluating the working performance of the drilling, grinding and milling tool has good stability, can test the working performance of the whole drilling, grinding and milling tool and has better stability, the motor and the speed reducer are driven by the synchronous belt, the motor can be effectively prevented from being damaged due to overload of the drilling, grinding and milling tool, the performance testing platform of the drilling, grinding and milling tool is fixed with the ground through the foundation bolts so as to reduce the vibration of the system, the fastening structure is arranged around the performance testing platform of the drilling, grinding and milling tool, the system vibration in the working process of the drilling, grinding and milling is further reduced, and the stability of the system is improved; the centering performance is good, the centering performance in the working process of the drilling, grinding and milling tool is guaranteed by arranging the coupler fixing frame and the centering support plate and arranging the joint centering bearing at the same time, the damage of equipment caused by overlarge deflection of a transmission shaft is prevented, and meanwhile, the upper thrust centering bearing and the lower thrust centering bearing are arranged in the connecting joint and used for bearing the axial load generated by the electric cylinder; the control precision is high, the mode that the electric cylinder is combined with feedback control is adopted, the rotation of the electric cylinder driving motor is automatically adjusted according to the indication of the pressure sensor, so that stable thrust is provided for providing working bit pressure for the drilling, grinding and milling tool, and compared with the mode that the existing hydraulic cylinder provides thrust, the control precision is high, the real-time adjustment can be realized, the structure is simple, and the like.
(2) The method for testing and evaluating the working performance of the drilling, grinding and milling tool provided by the invention is comprehensive, and can be used for comprehensively testing and evaluating the working performance of the drilling, grinding and milling tool, wherein the testing of the working performance of the drilling, grinding and milling tool comprises bit pressure analysis and rotating speed analysis, and the quantitative evaluation of the drilling, grinding and milling tool is completed from three angles of working safety, working efficiency and tool wear resistance, so that the requirement for testing and evaluating the working performance of the drilling, grinding and milling tool on site can be better met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is an overall structure of a drilling, grinding and milling tool working performance test and evaluation system according to an embodiment of the invention;
FIG. 2 is an internal structure of a testing platform for testing the performance of a drilling, milling and grinding tool according to an embodiment of the present invention;
FIG. 3 is an exploded view of a drill milling tool performance testing platform according to an embodiment of the present invention;
FIG. 4 is a fastening structure of a drilling, grinding and milling tool performance testing platform according to an embodiment of the invention;
FIG. 5 is an overall structure of a drilling, milling and milling tool performance testing platform according to an embodiment of the present invention;
FIG. 6 shows a bearing structure of a drilling, grinding and milling tool performance testing platform according to an embodiment of the present invention;
FIG. 7 shows a thrust structure of a drilling, grinding and milling tool performance testing platform according to an embodiment of the present invention;
FIG. 8 is a block diagram of the weight-on-bit rotational speed control module according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a weight-on-bit control cabinet structure of a weight-on-bit rotational speed control module according to an embodiment of the present invention;
FIG. 10 is a schematic diagram of an embodiment of a signal acquisition and display module;
fig. 11 is a flowchart of a method for testing and evaluating the working performance of a drilling, grinding and milling tool according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, 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.
The system and method for testing and evaluating the working performance of a drilling, grinding and milling tool according to the embodiments of the present invention will be described in detail with reference to fig. 1 to 11.
Referring to fig. 1, an embodiment of the present invention provides a system for testing and evaluating working performance of a drilling, milling and milling tool, including a drilling, milling and milling tool performance testing platform 1, a signal acquisition and display module 2, and a bit pressure and rotation speed control module 3.
Referring to figures 2, 3, 4, 5, 6 and 7, the drilling, grinding and milling tool performance test platform 1 comprises a three-phase asynchronous motor 1.1, an upper end shaft coupling 1.2, a lower end shaft coupling 1.3, a connecting joint 1.4, a dovetail groove guide rail 1.5, an electric cylinder fixing support 1.6, an electric cylinder driving motor 1.7, an electric cylinder reducer 1.8, an electric cylinder 1.9, a dovetail groove sliding platform 1.10, a workover fluid recovery pool 1.11, a four-jaw chuck 1.12, a drilling, grinding and milling tool 1.13, a torque and rotating speed sensor 1.14, a planetary gear reducer 1.15, a driven pulley 1.16, a synchronous belt 1.17, a driving pulley 1.18, a platform top plate 1.19, a platform support 1.20, a base rear baffle 1.21, a platform base support 1.22, a base front baffle 1.23, a baffle fastening screw 1.24, a synchronous belt the device comprises a workover fluid outlet 1.25, a workover fluid spray head 1.26, a coupler fixing frame 1.27, a platform support upper fastening bolt 1.28, a support fastening support 1.29, a support fastening bolt 1.30, a support fastening flower basket 1.31, a support fastening disc 1.32, a platform support lower fastening bolt 1.33, an anchor bolt 1.34, a support fastening disc bolt 1.35, an anchor nut 1.36, a support fastening support bolt 1.37, a centering support plate 1.38, a centering support plate screw 1.39, a motor fastening bolt 1.40, a reducer fastening bolt 1.41, an upper thrust self-aligning bearing 1.42, a lower thrust self-aligning bearing 1.43, a joint self-aligning bearing 1.44, a pressure sensor 1.45 and a guide rail fastening screw 1.46.
Specifically, a three-phase asynchronous motor 1.1 is a power source of a drilling, grinding and milling tool performance testing platform 1, the three-phase asynchronous motor 1.1 is vertically arranged and fixed on the lower bottom surface of a platform top plate 1.19 through a motor fastening bolt 1.40, an output shaft of the three-phase asynchronous motor 1.1 is coaxially and fixedly connected with a driving belt pulley 1.18 through a key, the driving belt pulley 1.18 is in belt transmission fit with a driven belt pulley 1.16 through a synchronous belt 1.17, the driven belt pulley 1.16 is coaxially and fixedly connected with an input shaft of a planetary gear reducer 1.15 through a key, the planetary gear reducer 1.15 is fixed on the lower bottom surface of the platform top plate 1.19 through a reducer fastening bolt 1.41, an output shaft of the planetary gear reducer 1.15 is coaxially and fixedly connected with the upper end of an upper end coupler 1.2 through a key, the lower end of an upper end coupler 1.2 is coaxially and fixedly connected with an input shaft of a torque and speed sensor 1.14 through a key, an output shaft of the torque speed sensor 1.14 is coaxially and fixedly connected with the upper end of a lower end of the coupler 1.3 through a key, the lower end of a lower end coupler 1.3 is coaxially and fixedly connected with the upper end of a connecting joint 1.4 through a key, the lower end of the connecting joint 1.4 is coaxially and fixedly connected with the upper end of a drilling and milling tool 1.13 through threads, the lower end surface of the drilling and milling tool 1.13 is formed by overlaying a large number of hard alloy abrasive particles, a four-jaw chuck 1.12 is arranged below the drilling and milling tool 1.13 and used for clamping experimental workpieces with different shapes, the four-jaw chuck 1.12 is fixed in a workover fluid recovery tank 1.11 through fastening screws, a workover fluid outlet 1.25 is arranged at the front end of the workover fluid recovery tank 1.11, the workover fluid recovery tank 1.11 is fixed above a bottom plate of a dovetail groove sliding platform 1.10 through fastening screws, a dovetail groove is arranged on a vertical plate of the dovetail groove sliding platform 1.10, the dovetail groove sliding platform 1.10 can reciprocate linearly along a dovetail groove guide rail 1.5, the lower end of the dovetail groove guide rail 1.5 is fixedly connected with the upper end of a platform base support 1.22 through a guide rail fastening screw 1.46, the lower end of a dovetail groove sliding platform 1.10 is fixedly connected with the upper end of a pressure sensor 1.45 through a fastening bolt, the lower end of the pressure sensor 1.45 is fixedly connected with the upper end of a piston rod of an electric cylinder 1.9 through threads, the side surface of the electric cylinder 1.9 is fixedly connected with the bottom surface of the upper end of a platform base support 1.22 through an electric cylinder fixing support 1.6, the lower end of the electric cylinder 1.9 is fixedly connected with the upper end of an electric cylinder reducer 1.8 through a fastening bolt, the lower end of the electric cylinder reducer 1.8 is fixedly connected with an output shaft of an electric cylinder driving motor 1.7 through a shaft coupling in a coaxial mode, four supporting legs are arranged below the platform base support 1.22, the lower end of the platform base support 1.22 is fixedly connected with the ground through a foundation bolt 1.34 and a foundation nut 1.36, the foundation bolt 1.34 is fixed inside the ground through pouring cement, the front end surface of the platform base support 1.22 is fixedly connected with a front base baffle 1.23 through a baffle fastening screw 1.24, and the rear baffle 1.21 through welding.
Referring to fig. 3, 4 and 5, in order to improve the stability of the drilling, milling and milling tool performance test platform 1, four platform struts 1.20 are arranged between a platform top plate 1.19 and a platform base support 1.22, the upper ends of the platform struts 1.20 are fixedly connected with the platform top plate 1.19 through platform strut upper fastening bolts 1.28, and the lower ends of the platform struts 1.20 are fixedly connected with the platform base support 1.22 through platform strut lower fastening bolts 1.33. Meanwhile, fastening structures are arranged on the back and two side faces of the drilling, milling and milling tool performance testing platform 1, a platform support column 1.20 and a support column fastening support 1.29 are fixedly connected through a support column fastening support bolt 1.37, the support column fastening support 1.29 and a support column fastening bolt 1.30 are hinged through a fastening screw, the support column fastening bolt 1.30 and a support column fastening flower basket 1.31 are fixedly connected through threaded fit, the support column fastening bolts 1.30 with the same structure are symmetrically arranged at two ends of the support column fastening flower basket 1.31, the support column fastening bolt 1.30 and a support column fastening disc 1.32 at the other side are fixedly connected through a support column fastening disc bolt 1.35, four support column fastening bolts 1.30 are symmetrically arranged around the support column fastening disc 1.32 and fixedly connected with the platform support column 1.20 through the support column fastening support 1.29, and the pretightening force of the fastening structures can be adjusted through rotating the support column fastening flower basket 1.31.
Referring to fig. 2 and 3, in order to reduce the temperature of the drilling, milling and milling tool 1.13 in the working process, a workover fluid nozzle 1.26 is arranged on the upper end surface of the platform base support 1.22, the workover fluid nozzle 1.26 is fixedly connected with the upper end surface of the platform base support 1.22 through a magnet, workover fluid is injected onto an experimental workpiece clamped by the four-jaw chuck 1.12 through the workover fluid nozzle 1.26 to reduce the temperature of the drilling, milling and milling tool in the working process, and then the workover fluid flows into a workover fluid recovery tank 1.11 and is discharged through a workover fluid discharge port 1.25.
Referring to fig. 2, 3 and 6, in order to ensure the centering performance of the drilling, milling and milling tool performance test platform 1, the upper end of a coupler fixing frame 1.27 is fixedly connected with the lower end of a planetary gear reducer 1.15 through a fastening bolt, the side surface of the coupler fixing frame 1.27 is fixedly connected with a torque and speed sensor 1.14 through a fastening screw, the lower end of the coupler fixing frame 1.27 is coaxially clearance-fitted with the upper end of a connecting joint 1.4, the two ends of a centering support plate 1.38 are fixedly connected with the middle of a platform support column 1.20 through centering support plate screws 1.39, a middle round hole of the centering support plate 1.38 is coaxially interference-fitted with an outer ring of a connector centering bearing 1.44, an inner ring of the connector centering bearing 1.44 is coaxially interference-fitted with the middle of the connecting joint 1.4, the upper end of the connecting joint 1.4 is of a circular ring structure, an upper thrust bearing 1.42 and a lower thrust bearing 1.43 are sequentially arranged inside a circular ring of the upper end of the connecting joint 1.4 from top to bottom, and the upper end of the centering bearing is coaxially interference-fitted with the lower thrust bearing through a connecting shaft coupling 1.42 and a lower thrust bearing connecting shaft, and a lower thrust bearing is coaxially interference-fixed with a connecting shaft coupling shaft.
Referring to fig. 10, the signal collecting and displaying module 2 is composed of a signal collecting cabinet 2.1, a signal display 2.2 and a computer host 2.3. Specifically, the signal acquisition cabinet 2.1 is connected with the torque and rotation speed sensor 1.14 through a wire, meanwhile, the signal acquisition cabinet 2.1 is connected with the host computer 2.3 through a wire, and the host computer 2.3 is connected with the signal display 2.2 through a wire. The signal acquisition cabinet 2.1 is used for acquiring data of the torque and rotation speed sensor 1.14 in real time, finishing data processing through the computer host 2.3 and finally displaying a final result on the signal display 2.2.
Referring to fig. 8 and 9, the weight-on-bit rotation speed control module 3 is composed of a frequency converter 3.1 and a weight-on-bit control cabinet 3.2, wherein the weight-on-bit control cabinet 3.2 is composed of an error alarm indicator lamp 3.2.1, a touch screen 3.2.2, a normal operation indicator lamp 3.2.3, a control cabinet box 3.2.4, a stop button 3.2.5, a pause button 3.2.6, a start button 3.2.7 and a power switch 3.2.8.
Specifically, the frequency converter 3.1 is connected with the three-phase asynchronous motor 1.1 through a wire, the bit pressure control cabinet 3.2 is connected with the electric cylinder driving motor 1.7 through a wire, meanwhile, the bit pressure control cabinet 3.2 is connected with the pressure sensor 1.45 through a wire, an alarm indicator lamp 3.2.1, a touch screen 3.2.2, a normal operation indicator lamp 3.2.3, a stop button 3.2.5, a pause button 3.2.6, a start button 3.2.7 and a power switch 3.2.8 are arranged on the front end face of a control cabinet box body 3.2 of the bit pressure control cabinet 3.2, the touch screen 3.2.2 can display the value of the current thrust collected by the pressure sensor 1.45 in real time, and meanwhile, the touch screen 3.2.2 is sequentially provided with keys of "manual forward", "manual backward", "home point", "start" and "stop". When a finger presses a key of 'manual advance' or 'manual retreat' of the touch screen 3.2.2, the electric cylinder driving motor 1.7 drives the electric cylinder 1.9 to advance or retreat according to a set inching speed, and when the finger loosens, the electric cylinder 1.9 stops operating; after a finger clicks a 'return to original point' button of the touch screen 3.2.2, the electric cylinder 1.9 starts to execute an action of finding the original point and restores to an initial contraction state; after the finger clicks the start button of the touch screen 3.2.2, the electric cylinder 1.9 starts to operate according to the set operating speed, and the original position is not returned until the stop button is clicked.
The working process of the working performance test and evaluation system of the drilling, grinding and milling tool provided by the embodiment of the invention is as follows: when the working performance test evaluation system of the drilling, grinding and milling tool needs to be started, firstly, an experimental workpiece is clamped through the four-jaw chuck 1.12, a power switch of the three-phase asynchronous motor 1.1 is turned on, the three-phase asynchronous motor 1.1 starts to rotate, and the rotating speed of the three-phase asynchronous motor 1.1 is adjusted through the frequency converter 3.1 in the bit pressure rotating speed control module 3 so as to simulate the influence of the rotating speed on the drilling, grinding and milling process; then setting the magnitude of thrust to be tested on a bit pressure control cabinet 3.2 in a bit pressure and rotating speed control module 3, wherein according to the set magnitude of the thrust, an electric cylinder 1.9 pushes a dovetail groove sliding platform 1.10 and a four-jaw chuck 1.12 to move upwards along a guide rail, when an experimental workpiece is contacted with a drilling, grinding and milling tool 1.13, a pressure sensor 1.45 starts to display pressure readings, and according to the value of the pressure sensor 1.45, the bit pressure and rotating speed control module 3 adjusts the magnitude of output thrust through feedback adjustment, so that the magnitude of the output thrust of the electric cylinder 1.9 is consistent with the set magnitude of the thrust, and the influence of bit pressure on the drilling, grinding and milling process is simulated; and then the drilling, grinding and milling tool 1.13 starts to perform the drilling, grinding and milling work, and the signal acquisition and display module 2 acquires real-time data of the rotating speed and the torque so as to perform quantitative analysis on the working performance of the drilling, grinding and milling tool 1.13.
When the working performance test evaluation system of the drilling, milling and milling tool needs to be closed, firstly, the 'home position' button of the touch screen 3.2.2 is clicked, the electric cylinder 1.9 starts to execute the home position finding action and recovers the initial contraction state, so that the dovetail groove sliding platform 1.10 and the four-jaw chuck 1.12 are driven to move downwards to the limit position along the guide rail, then the power switch of the three-phase asynchronous motor 1.1 is closed, at the moment, the three-phase asynchronous motor 1.1 stops rotating, and finally, the experimental workpiece clamped by the four-jaw chuck 1.12 is taken down, and the working performance test of the set of drilling, milling and milling tools 1.13 is completed.
When different drilling, grinding and milling tools 1.13 need to be replaced, firstly, a drilling, grinding and milling tool working performance test and evaluation system is closed, the drilling, grinding and milling tool 1.13 tested in the experiment is taken down, then, different drilling, grinding and milling tools 1.13 and a connecting joint 1.4 are fixedly connected through thread matching, meanwhile, a brand new experiment workpiece is replaced, then, the drilling, grinding and milling tool working performance test and evaluation system is started, and the working performance test of different drilling, grinding and milling tools 1.13 is completed according to the method.
Referring to fig. 11, an embodiment of the present invention provides a method for testing and evaluating the working performance of a drilling, grinding and milling tool, including the following steps:
firstly, selecting a drilling, grinding and milling tool 1.13 according to the field requirement;
the second step; according to the system for testing and evaluating the working performance of the drilling, grinding and milling tool, the working performance of the drilling, grinding and milling tool is tested, and the testing of the working performance of the drilling, grinding and milling tool mainly comprises bit pressure analysis and rotating speed analysis, wherein the bit pressure analysis means that the bit pressure is changed through a bit pressure control cabinet 3.2, and the working performance of the drilling, grinding and milling tool 1.13 under different bit pressures is determined; the rotating speed analysis means that the rotating speed is changed through the frequency converter 3.1, and the working performance of the drilling, grinding and milling tool 1.13 at different rotating speeds is determined;
a third step; and the working performance test data is recorded and analyzed through the signal acquisition display module 2.
The fourth step; the working performance test and evaluation of the drilling, grinding and milling tool 1.13 are completed from three angles of working safety, working efficiency and tool wear resistance, wherein the working torque and fluctuation conditions of the drilling, grinding and milling tool 1.13 directly influence the construction safety of a workover string, so that the working torque is used as an evaluation index of the working safety of the drilling, grinding and milling tool 1.13, torque data is collected and analyzed through a torque rotating speed sensor 1.14, and the quantitative evaluation of the working safety of the drilling, grinding and milling tool 1.13 is completed; meanwhile, the removal quality of the experimental workpiece under the same time and the same construction parameters can reflect the working efficiency of the drilling, grinding and milling tool 1.13, so the removal quality of the workpiece material is taken as an evaluation index of the working efficiency of the drilling, grinding and milling tool 1.13, and the quantitative evaluation of the working efficiency of the drilling, grinding and milling tool 1.13 is completed by determining the quality change before and after the test of the experimental workpiece; in addition, the wear quality of the drilling, milling and milling tool 1.13 under the same time and the same construction parameters can reflect the wear resistance of the drilling, milling and milling tool 1.13, and the wear resistance directly influences the service life of the drilling, milling and milling tool 1.13, so the wear quality of the drilling, milling and milling tool 1.13 is used as an evaluation index of the wear resistance of the drilling, milling and milling tool 1.13, the quantitative evaluation of the wear resistance of the drilling, milling and milling tool 1.13 is completed by determining the quality change before and after the testing of the drilling, milling and milling tool 1.13, and the working performance testing and evaluation of the drilling, milling and milling tool 1.13 are finally completed based on the evaluation index.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (3)
1. A drilling, grinding and milling tool working performance test and evaluation system is characterized by comprising a drilling, grinding and milling tool performance test platform, a signal acquisition and display module and a bit pressure and rotating speed control module; the drilling, milling and milling tool performance testing platform consists of a three-phase asynchronous motor, an upper end coupler, a lower end coupler, a connecting joint, a dovetail groove guide rail, an electric cylinder fixing support, an electric cylinder driving motor, an electric cylinder reducer, an electric cylinder, a dovetail groove sliding platform, a workover fluid recovery tank, a four-jaw chuck, a drilling, milling and milling tool, a torque and rotation speed sensor, a planetary gear reducer, a driven pulley, a synchronous belt, a driving pulley, a platform top plate, a platform support, a base rear baffle, a platform base support, a base front baffle, a baffle fastening screw, a workover fluid discharge port, a workover fluid spray head, a coupler fixing support, a platform support upper fastening bolt, a support fastening support, a support fastening bolt, a support fastening flower basket, a support fastening disk, a platform support lower fastening bolt, a foundation bolt, a support fastening disk bolt, a foundation nut, a support pillar fastening support bolt, a support plate centering support plate, a motor fastening bolt, a reducer fastening bolt, an upper thrust bearing, a lower thrust bearing, a joint aligning bearing, a pressure sensor and a guide rail fastening screw; the signal acquisition display module consists of a signal acquisition cabinet, a signal display and a computer host; the drilling pressure and rotating speed control module consists of a frequency converter and a drilling pressure control cabinet, wherein the drilling pressure control cabinet consists of an error alarm indicator lamp, a touch screen, a normal work indicator lamp, a control cabinet body, a stop button, a pause button, a start button and a power switch;
the three-phase asynchronous motor is a power source of a drilling, grinding and milling tool performance testing platform, the three-phase asynchronous motor is vertically arranged and fixed on the lower bottom surface of a platform top plate through a motor fastening bolt, an output shaft of the three-phase asynchronous motor is coaxially and fixedly connected with a driving belt wheel through a key, the driving belt wheel is in belt transmission fit with a driven belt wheel through a synchronous belt, the driven belt wheel is coaxially and fixedly connected with an input shaft of a planetary gear reducer through a key, the planetary gear reducer is fixed on the lower bottom surface of the platform top plate through a reducer fastening bolt, an output shaft of the planetary gear reducer is coaxially and fixedly connected with the upper end of an upper end coupler through a key, the lower end of the upper end coupler is coaxially and fixedly connected with an input shaft of a torque and speed sensor through a key, an output shaft of the torque and speed sensor is coaxially and fixedly connected with the upper end of a lower end coupler through a key, the lower end of a lower end coupler is coaxially and fixedly connected with the upper end of a connecting joint through a key, the lower end of the connecting joint is coaxially and fixedly connected with the upper end of a drilling and milling tool through threads, the lower end surface of the drilling and milling tool is formed by surfacing welding a large number of hard alloy abrasive particles, a four-jaw chuck is arranged below the drilling and milling tool and used for clamping experimental workpieces in different shapes, the four-jaw chuck is fixed in a workover fluid recovery tank through fastening screws, a workover fluid discharge port is arranged at the front end of the workover fluid recovery tank, the workover fluid recovery tank is fixed above a dovetail groove sliding platform bottom plate through the fastening screws, a dovetail groove is arranged on a vertical plate of the dovetail groove sliding platform, the dovetail groove sliding platform can linearly reciprocate along a dovetail groove guide rail, the lower end of the dovetail groove guide rail is fixedly connected with the upper end of a platform base support through guide rail fastening screws, and the lower end of the dovetail groove sliding platform is fixedly connected with the upper end of a pressure sensor through the fastening bolts, the lower end of the pressure sensor is fixedly connected with the upper end of a piston rod of an electric cylinder through threads, the side surface of the electric cylinder is fixedly connected with the bottom surface of the upper end of a platform base support through an electric cylinder fixing support, the lower end of the electric cylinder is fixedly connected with the upper end of an electric cylinder reducer through a fastening bolt, the lower end of the electric cylinder reducer is coaxially and fixedly connected with an output shaft of a driving motor of the electric cylinder through a coupler, four support legs are arranged below the platform base support, the lower ends of the support legs of the platform base support are fixedly connected with the ground through foundation bolts and foundation nuts, the foundation bolts are fixed in the ground through pouring cement, the front end surface of the platform base support is fixedly connected with a front base baffle through a baffle fastening bolt, and the rear end surface of the platform base support is fixedly connected with a rear base baffle through welding; the upper end face of the platform base support is provided with a workover fluid spray head, the workover fluid spray head is fixedly connected with the upper end face of the platform base support through a magnet, workover fluid is injected onto an experimental workpiece clamped by the four-jaw chuck through the workover fluid spray head so as to reduce the temperature of a drilling, grinding and milling tool in the working process, and then the workover fluid flows into a workover fluid recovery tank and is discharged through a workover fluid discharge port;
four platform supporting columns are arranged between the platform top plate and the platform base support, the upper ends of the platform supporting columns are fixedly connected with the platform top plate through platform supporting column upper fastening bolts, the lower ends of the platform supporting columns are fixedly connected with the platform base support through platform supporting column lower fastening bolts, fastening structures are uniformly arranged on the back and two sides of the drilling, milling and tool performance testing platform, in the fastening structures, the platform supporting columns are fixedly connected with the supporting column fastening supports through supporting column fastening support bolts, the supporting column fastening supports are hinged to the supporting column fastening bolts through fastening screws, the supporting column fastening bolts are fixedly connected with the supporting column fastening baskets through threaded matching, supporting column fastening bolts with the same structure are symmetrically arranged at two ends of the supporting column fastening baskets, the supporting column fastening bolts at the other side are fixedly connected with the supporting column fastening discs through supporting column fastening disc bolts, four supporting column fastening bolts are symmetrically arranged around the supporting column fastening discs and are fixedly connected with the platform supporting columns through the supporting column fastening supports, and the pre-tightening force of the fastening structures can be adjusted by rotating the supporting column fastening baskets;
the upper end of a coupler fixing frame is fixedly connected with the lower end of a planetary gear reducer through a fastening bolt, the side face of the coupler fixing frame is fixedly connected with a torque and speed sensor through a fastening screw, the lower end of the coupler fixing frame is in coaxial clearance fit with the upper end of a connecting joint, two ends of a centering support plate are fixedly connected with the middle part of a platform support column through centering support plate screws, a round hole in the middle part of the centering support plate is in coaxial interference fit with an outer ring of a centering bearing, an inner ring of the centering bearing is in coaxial interference fit with the middle part of the connecting joint, the upper end of the connecting joint is of a ring structure, an upper thrust centering bearing and a lower thrust centering bearing are sequentially arranged in a ring at the upper end of the connecting joint from top to bottom, the outer rings of the thrust centering bearing and the lower thrust centering bearing are in coaxial interference fit with the ring at the upper end of the connecting joint, and the thrust centering bearing, the lower thrust centering bearing and the lower end coupler are coaxially fixedly connected through a connecting shaft;
the test evaluation method of the drilling, grinding and milling tool working performance test evaluation system comprises the following steps:
firstly, selecting a drilling, grinding and milling tool according to the field requirement;
secondly, testing the working performance of the drilling, grinding and milling tool by a working performance test and evaluation system of the drilling, grinding and milling tool;
the drilling, grinding and milling tool working performance test comprises bit pressure analysis and rotating speed analysis, wherein the bit pressure analysis changes the bit pressure through a bit pressure control cabinet, and the working performance of the drilling, grinding and milling tool under different bit pressures is determined; the rotating speed analysis changes the rotating speed through a frequency converter, and determines the working performance of the drilling, grinding and milling tool at different rotating speeds;
thirdly, recording and analyzing the working performance test data through a signal acquisition display module;
fourthly, completing the working performance test and evaluation of the drilling, grinding and milling tool from three angles of working safety, working efficiency and tool wear resistance;
the working torque is used as an evaluation index of the working safety of the drilling, grinding and milling tool, and torque data is collected and analyzed through a torque rotating speed sensor to finish quantitative evaluation of the working safety of the drilling, grinding and milling tool; the removal quality of a workpiece material is used as an evaluation index of the working efficiency of the drilling, grinding and milling tool, and quantitative evaluation of the working efficiency of the drilling, grinding and milling tool is completed by determining the quality change before and after test of an experimental workpiece; the wear quality of the drilling, grinding and milling tool is used as an evaluation index of the wear resistance of the drilling, grinding and milling tool, and quantitative evaluation of the wear resistance of the drilling, grinding and milling tool is completed by determining the quality change of the drilling, grinding and milling tool before and after testing.
2. The system for testing and evaluating the working performance of the drilling, milling and milling tool as claimed in claim 1, wherein the signal acquisition cabinet is connected with the torque and rotation speed sensor through a wire, meanwhile, the signal acquisition cabinet is connected with the host computer through a wire, and the host computer is connected with the signal display through a wire, wherein the signal acquisition cabinet is used for acquiring data of the torque and rotation speed sensor in real time, completing data processing through the host computer and finally displaying a final result on the signal display.
3. The system for testing and evaluating the working performance of the drilling, milling and milling tool as claimed in claim 1, wherein the frequency converter is connected with a three-phase asynchronous motor through a lead, the drilling pressure control cabinet is connected with an electric cylinder driving motor through a lead, the drilling pressure control cabinet is connected with the pressure sensor through a lead, an alarm indicator lamp, a touch screen, a normal operation indicator lamp, a stop button, a pause button, a start button and a power switch are arranged on the front end surface of a control cabinet box body of the drilling pressure control cabinet, the touch screen can display the current thrust value collected by the pressure sensor in real time, and the touch screen is sequentially provided with a manual forward key, a manual backward key, a return origin point key, a start key and a stop key; when a finger presses a manual forward key or a manual backward key of the touch screen, the electric cylinder driving motor drives the electric cylinder to move forward or backward according to a set inching speed, and when the finger is released, the electric cylinder stops operating; after a finger clicks a 'home point' button of the touch screen, the electric cylinder starts to execute a home point finding action and restores to an initial contraction state; after a finger clicks a start key of the touch screen, the electric cylinder starts to operate according to a set operation speed, and the electric cylinder does not return to the original point position until a stop key is clicked.
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| CN209802690U (en) * | 2019-06-21 | 2019-12-17 | 四川志方科技有限公司 | Simulation drilling torque test bed of rotary drilling rig |
| CN210013326U (en) * | 2019-02-26 | 2020-02-04 | 安徽鸿杰威尔停车设备有限公司 | Ground steel structure diagonal drawing device with more than two layers |
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| CN110160907B (en) * | 2019-06-13 | 2021-07-16 | 中国石油大学(华东) | Single-abrasive-particle drilling, grinding and milling tool performance test device |
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| CN210013326U (en) * | 2019-02-26 | 2020-02-04 | 安徽鸿杰威尔停车设备有限公司 | Ground steel structure diagonal drawing device with more than two layers |
| CN209802690U (en) * | 2019-06-21 | 2019-12-17 | 四川志方科技有限公司 | Simulation drilling torque test bed of rotary drilling rig |
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