CN114942003B - Portable actuating mechanism output end limiting angle detection method and device - Google Patents
Portable actuating mechanism output end limiting angle detection method and deviceInfo
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- CN114942003B CN114942003B CN202210622660.8A CN202210622660A CN114942003B CN 114942003 B CN114942003 B CN 114942003B CN 202210622660 A CN202210622660 A CN 202210622660A CN 114942003 B CN114942003 B CN 114942003B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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Abstract
提供一种便携式执行机构输出端限位角度检测方法及装置，将待检测执行机构同轴扶正装夹约束固定；插入零位工装校调零位；将控制显示器读数归零，并输入标准值；去掉零位工装，开始检测；先后将执行机构分别拨动到左、右极限位置，角度传感器实时检测左、右极限位置限位角检测值，并将检测值在控制显示器显示；于此同时，控制显示器以报警的方式提示限位角合格与否。本发明解决现有执行机构限位角检测方法效率较低、误差大、要求高、不适合快速批量高效精准检测的技术问题；检测结果显示直观、高效、精确；对技术人员要求低；适合快速、批量检测；便于查找不合格原因，同时保证工件装配质量，有效提高生产效率，节约生产成本。
Provided is a portable actuator output end limit angle detection method and device, wherein the actuator to be detected is coaxially straightened, clamped and constrained; a zero position tool is inserted to calibrate the zero position; the control display reading is reset to zero, and a standard value is input; the zero position tool is removed and detection begins; the actuator is moved to the left and right limit positions respectively, and the angle sensor detects the limit angle detection values of the left and right limit positions in real time, and displays the detection values on the control display; at the same time, the control display prompts whether the limit angle is qualified or not in the form of an alarm. The present invention solves the technical problems of the existing actuator limit angle detection method, which is low in efficiency, large in error, high in requirements, and unsuitable for fast, batch, efficient and accurate detection; the detection results are displayed intuitively, efficiently and accurately; the requirements for technical personnel are low; it is suitable for fast and batch detection; it is easy to find the cause of non-compliance, while ensuring the assembly quality of the workpiece, effectively improving production efficiency, and saving production costs.
Description
Technical Field
The invention belongs to the technical field of physical measurement and test angle measurement, and particularly relates to a method and a device for detecting a limiting angle of an output end of a portable executing mechanism.
Background
At present, with the rapid development of aviation and aerospace, the control precision requirement of an actuating mechanism servo control system is higher and higher, and in order to ensure the safety of products, the products are required to have a certain mechanical limiting angle, so that dangerous factors caused by overlarge angle deviation during control errors are prevented.
The actuating mechanism with mechanical limiting angles is increasingly used on aerospace products, the mechanical limiting angles are usually symmetrically arranged, and in order to ensure the safety valve effect of the limiting angles, the mechanical limiting angles of the actuating mechanism are required to be accurately detected, so that subsequent system adjustment is facilitated.
In the prior art, the limit angle detection of the output end of the actuating mechanism is generally carried out by (figure 1) clamping a laser transmitter at the output end of a workpiece, projecting a laser point of the laser transmitter on a height scale which is a certain distance X 0 from the output end of the laser transmitter, measuring the position height H 0 of the laser point on the scale when the output end is in an initial zero position, and rotating the output end anticlockwise to a limit angle 1 Recording laser spot position height H 1, and clockwise rotating output end to limit angle 2 The laser spot position height H 2 is recorded, and then the limit angles in all directions are calculated through trigonometric functions:
Therefore, the measuring method has lower detection efficiency, and because the visual inspection scribing value and the formula calculation method are adopted, the data analysis is troublesome and has larger error, and the measuring method is particularly operated by expertise staff, thus being inconvenient for the efficient and quick measurement of the mass production field. In this regard, the following technical solutions are now proposed.
Disclosure of Invention
The invention solves the technical problems of low efficiency, large error and high requirement of the existing detection method for the limiting angle of the output end of the portable actuating mechanism, and is not suitable for rapid, batch and high-efficiency accurate detection.
The technical scheme includes that an actuating mechanism to be detected is coaxially righted, clamped and restrained and fixed on a detecting end of a limiting angle detecting device of the actuating mechanism, a zero tool is inserted, zero position of the actuating mechanism is adjusted through the zero tool, a control display is reset to zero, a limiting angle standard value of the actuating mechanism is input into the control display, the zero tool is removed, the limiting angle of the actuating mechanism is detected, the actuating mechanism is successively moved to a left limiting position and a right limiting position, angle sensors in the limiting angle detecting device of the actuating mechanism at the left limiting angle and the right limiting angle of the actuating mechanism detect limiting angle of the actuating mechanism in real time, the limiting angle detecting value of the actuating mechanism at the lower end of the left limiting angle and the limiting angle of the right limiting angle of the actuating mechanism are displayed on the control display, and meanwhile the control display prompts whether the detected limiting angle of the actuating mechanism is qualified or not in an alarm mode.
The portable detection device for limiting the output end of the actuating mechanism comprises a shell, a supporting frame is concentrically arranged in the shell, the center of the bottom end of the supporting frame is concentrically connected with an angle sensor, the detection input end of the angle sensor is concentrically connected with the bottom end of a coupler, the top end of the coupler is concentrically connected with the bottom end of a detection mandrel, the middle part of the shaft body of the detection mandrel is concentrically rotatably supported and arranged at the center of an end cover through a bearing piece, the end cover and the top end of the shell are concentrically connected into a whole, the top end of the detection mandrel extends out of the end cover, the top end of the shaft body of the detection mandrel extending out of the end cover is concentrically and interference fit with a central counter bore of the bottom end of a workpiece mandrel of the actuating mechanism and is coaxially limited and rotatably connected with the workpiece mandrel through a workpiece shifting fork, a pair of end cover threaded holes are formed in the upper end face of the end cover, the end cover threaded holes are positioned on the same side behind a workpiece shifting fork support and are coaxially arranged, the end cover threaded holes are axially symmetrically arranged relative to the detection mandrel, the end cover threaded holes are respectively rotatably suitably provided with a positioning cylinder and an eccentric positioning cylinder, the positioning cylinder and the eccentric positioning cylinder are used for righting the workpiece support, the end cover is arranged on the rear side of the end cover, a quick press fixture is also arranged, and the quick press fixture is used for pressing and fixing the workpiece shifting fork support.
The portable executing mechanism output end limiting angle detection device is provided with a zero tool, the zero tool is provided with a positioning end and a leaning end which are mutually perpendicular, the leaning end is provided with a vertical side wall which is attached to the left or right vertical outer side wall of a workpiece shifting fork support which is rightly clamped, the positioning end is in interference fit connection with a positioning groove which is axially symmetrical left and right and is formed on a workpiece mandrel, the positioning groove is mutually perpendicular to a shifting fork groove of a workpiece shifting fork when the zero tool is inserted into the positioning groove, and the workpiece shifting fork of the executing mechanism is reset to a mechanical zero position by the zero tool at the moment.
The angle sensor is electrically connected with the input end of the control display, and the control display is provided with a power switch, an alarm indicator lamp, a zero setting switch, a setting button and a display screen.
In the technical proposal, the method further comprises the following steps,
And S1, clamping, namely connecting a workpiece mandrel of an executing mechanism and a detection end of a portable executing mechanism output end limiting angle detection device into a whole in a coaxial interference fit manner, righting a workpiece shifting fork support of the executing mechanism, and pressing down a handle II of a quick pressing clamp to enable two rubber pressing heads of the quick pressing clamp to press the upper end face of the workpiece shifting fork support for limiting the integral movement of the executing mechanism, wherein only the workpiece shifting fork of the executing mechanism can drive the workpiece mandrel to coaxially rotate around the detection end of the portable executing mechanism output end limiting angle detection device.
And S2, correcting the zero position, namely inserting the zero position tool positioning end into a workpiece mandrel positioning groove of the executing mechanism, and resetting a workpiece shifting fork of the executing mechanism to a mechanical zero position of the executing mechanism.
And S3, adjusting the control display, namely pressing a zeroing switch of the control display to zero the reading of a display screen of the control display, and inputting a limiting angle standard value of a shifting fork of the to-be-detected actuating mechanism workpiece into the control display through a set button.
S4, detecting left limit position, namely manually shifting a shifting fork of an actuating mechanism workpiece to the left limit position, and reading out a numerical value fed back by a display screen of a control displayAnd 1, acquiring whether the detection result of the left limit position of the actuating mechanism is qualified or not through an alarm indicator lamp on a control display.
S5, right limit position detection, namely manually shifting a shifting fork of an actuating mechanism workpiece to a right limit position, and reading out a numerical value fed back by a display screen of a control displayAnd 2, obtaining whether the right limit position detection result of the actuating mechanism is qualified or not through controlling an alarm indicator lamp on the display.
In the technical scheme, in the step S1, the portable executing mechanism output end limiting angle detection device is provided with a positioning cylinder and an eccentric positioning cylinder, the outer cylindrical surfaces of the positioning cylinder and the eccentric positioning cylinder are attached to the rear vertical side wall of the workpiece shifting fork support of the executing mechanism, and the workpiece shifting fork support of the executing mechanism is righted and clamped on the portable executing mechanism output end limiting angle detection device by rotating the eccentric positioning cylinder.
The invention further discloses a portable executing mechanism output end limiting angle detection device, and the portable executing mechanism output end limiting angle detection device is any portable executing mechanism output end limiting angle detection device used by the portable executing mechanism output end limiting angle detection method.
According to the technical scheme, the portable executing mechanism output end limiting angle detection device is further provided with a zero tool, the zero tool is provided with a positioning end and a leaning end which are perpendicular to each other, the leaning end is provided with a vertical side wall which is attached to the left or right vertical outer side wall of a workpiece shifting fork support which is righted and clamped, the positioning end is in interference fit connection with a positioning groove which is axisymmetric left and right and is formed in a workpiece mandrel, in the state that the zero tool is inserted into the positioning groove, the positioning groove is perpendicular to a shifting fork groove of the workpiece shifting fork, and the zero tool enables the workpiece shifting fork of the executing mechanism to reset to a mechanical zero position.
In the technical scheme, the zero-position tool is further provided with the handle I, the handle I is perpendicular to the leaning end, and the handle I is arranged outside the leaning end.
The technical scheme includes that the actuating mechanism comprises a workpiece mandrel, a workpiece shifting fork and a workpiece shifting fork support, the workpiece shifting fork support is tightly pressed, righted and fixedly installed on the upper end face of an end cover of a limiting angle detection device of an output end of the portable actuating mechanism by using a quick pressing clamp, a locating cylinder and an eccentric locating cylinder, the workpiece mandrel and the workpiece shifting fork are concentrically and rigidly connected into a whole, the workpiece mandrel and the workpiece shifting fork are rotatably supported and installed in an inner hole of the workpiece shifting fork support by using bearing pieces, a center counter bore is formed in the bottom end of a shaft body of the workpiece mandrel, locating grooves are formed in the left side and the right side of the bottom end of the workpiece mandrel respectively, the locating grooves are symmetrically arranged by taking the center counter bore as a symmetrical axis, the center counter bore is connected with the top end of a detection mandrel shaft body of the limiting angle detection device of the output end of the portable actuating mechanism in a concentric interference fit mode, the locating grooves are used for being connected with a zero-position tool locating end in a locating plug-in a matching mode, the workpiece shifting fork is used for driving the workpiece mandrel to rotate around the center of the workpiece shifting fork in an angle limiting groove of the workpiece shifting fork support, and the left limit position and the right limit position of the angle limiting groove is used for forming a rotation limiting angle of the workpiece shifting fork of the actuating mechanism.
The technical scheme includes that the quick pressing clamp comprises a clamp mounting seat, a pressing connecting rod, a handle II, a T-shaped pressing plate and a rubber pressing head, the quick pressing clamp is fixedly mounted on the rear side of an end cover through the clamp mounting seat, the pressing connecting rod is mounted on the clamp mounting seat, the handle II is arranged at the operating end of the pressing connecting rod, the pressing connecting rod is fixedly connected with the T-shaped pressing plate and drives the T-shaped pressing plate to vertically press down, the T-shaped pressing plate is used for vertically pressing down, the lower end face of a symmetrical plate body arranged at the executing end of the T-shaped pressing plate is vertically fixedly connected with the rubber pressing head respectively, and the rubber pressing head vertically presses down a workpiece shifting fork support used for pressing and fixing an executing mechanism.
In the technical scheme, the angle sensor is further electrically connected with the input end of the control display, and the control display is provided with a power switch, an alarm indicator lamp, a zero setting switch, a setting button and a display screen.
Compared with the prior art, the invention has the advantages that:
1. After the portable executing mechanism is clamped by the limiting angle detecting device at the output end of the executing mechanism, the detecting value of the control display is adjusted to the zero position by simply inserting the zero position tool, the standard value is input, then the workpiece shifting fork is shifted to the left and right limiting positions, the limiting angle detecting value can be obtained intuitively and accurately through the control display, whether the early warning display detecting result is qualified or not is intuitively judged through the alarm indicator lamp, the detecting efficiency is high, the detecting result precision is reliable, the requirements on technicians are low, and the device is suitable for detecting the limiting angle of the executing mechanism quickly, in batches, efficiently and accurately.
2. The portable actuating mechanism output end limiting angle detection device has the advantages of high coaxiality of all parts, reliable detection and convenient movement.
3. The positioning cylinder and the eccentric positioning cylinder are combined for use, so that the workpiece shifting fork support of the actuator to be detected can be accurately regulated, and a foundation is laid for accurate detection of the actuator.
4. The zero tool is simple in structure, convenient to use, capable of adjusting the zero of the actuating mechanism by inserting, simple, quick, reliable and efficient in mechanical zero resetting adjustment of the actuating mechanism.
5. The control display adopts the control display instrument with the model WF160J of the existing smoke counter, sensor measurement and control technology company as a main body to carry out refitting and detection, has complete functions, has the functions of limiting angle standard value input, limiting angle detection value data display, data zeroing and lamplight alarm, and meets the use requirements of efficiently and intuitively acquiring detection results.
6. The quick pressing clamp is obtained by modifying a vertical quick clamp with the model GH-101B as a basic structure based on the existing quick clamp with the brand of Jia hand goodhand, and is simple to operate and reliable in pressing, and vertical jumping of an actuating mechanism is limited.
7. Compared with the prior laser spot measuring operation, the invention has the advantages of low difficulty, quick data acquisition, easy carrying, simple device assembly, low manufacturing cost, simple and quick operation, accurate reading, light weight, convenient carrying, and convenient finding of unqualified reasons, convenient guidance and assembly, guarantee of assembly quality and improvement of production efficiency, and can reflect the unqualified direction and specific numerical value of the limiting angle of the measured workpiece through the measuring data.
8. The invention is consistent with the measurement principle of the existing measurement method, and has the advantages that the invention only needs to do preparation work before early measurement, namely, the angle sensor and the control display are checked within the precision requirement range, the evaluation analysis of the use effectiveness is ensured, the calibration before the use is carried out according to the field management of a measurement instrument, the device is simple to operate, the on-duty operation can be carried out according to the normalization requirement, no special training is needed, the requirement on operators is greatly reduced compared with the calculation and the measurement of a laser point, the production efficiency is obviously improved, and the production cost is saved.
Drawings
FIG. 1 is a schematic diagram of a prior art method for detecting a limiting angle;
FIG. 2 is an isometric view of a limit angle detection apparatus of the present invention;
FIG. 3 is a front view of a control display in the detection apparatus of the present invention;
FIG. 4 is a front view of the control display of FIG. 2 with the control display removed;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is an enlarged detail isometric view of the end cap and zero tooling of FIG. 2 compressing a workpiece;
FIG. 7 is an isometric view of a positioning cylinder and eccentric positioning cylinder normal adjustment actuator;
FIG. 8 is a front view of FIG. 7;
FIG. 9 is a front view of the end cap before installation of the positioning cylinder and eccentric positioning cylinder;
FIG. 10 is an isometric view of a zero tool;
FIG. 11 is an isometric view of an actuator to be tested;
Fig. 12 is a front view of fig. 11;
FIG. 13 is a right side view of FIG. 12;
FIG. 14 is a left side view of FIG. 12;
FIG. 15 is a left limit state diagram of the actuator;
FIG. 16 is a right limit state diagram of the actuator;
FIG. 17 is a perspective view of the zero tool adjustment actuator to zero;
Fig. 18 is a front view of fig. 17;
FIG. 19 is an isometric view of a quick press clamp;
FIG. 20 is a schematic diagram of a hold-down machine tool for holding down a hold-down link in a quick-press clamp;
FIG. 21 is a front view of the hold down link in a hold down and release condition;
FIG. 22 is a view of the hold down link of FIG. 21 in an undamped condition;
FIG. 23 is a compression state diagram of the compression link of FIG. 21;
FIG. 24 is a top view of the left limit stop detection state of the detection device of the present invention;
FIG. 25 is a top view showing the right limit stop detection state of the detection device according to the present invention;
FIG. 26 is a control circuit diagram of the detecting device of the present invention;
In the figure, the device comprises a 1-actuating mechanism, a 101-workpiece mandrel, a 1011-positioning groove, a 1012-center counter bore, a 102-workpiece shifting fork, a 1021-shifting fork groove, a 103-workpiece shifting fork support, a 1031-angle limiting groove, a 2-portable actuating mechanism output end limiting angle detection device, a 2-1 angle sensor, a 2-2 shell, a 2-3 support frame, a 2-4 coupler, a 2-5 end cover, a 2-501 end cover threaded hole, a 2-6 detection mandrel, a 2-7 eccentric positioning cylinder, a 2-8 positioning cylinder, a 3-zero tool, a 301-positioning end, a 302-leaning end, a 303-handle I, a 4-control display, a 401-zeroing switch, a 102-display screen, a 403-setting button, a 404-power switch, a 405-warning indicator, a 5-quick-pressing clamp, a 501-handle II, a 502-rubber pressing head, a 503-mounting seat, a 504-pressing connecting rod and a 505-T-shaped pressing plate.
Detailed Description
The technical solutions according to the embodiments of the present invention will be clearly and completely described below with reference to fig. 2 to 26 in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The method for detecting the limiting angle of the output end of the portable actuating mechanism comprises the following steps:
And (as shown in figure 2), coaxially righting, clamping and restraining the to-be-detected actuating mechanism 1 to be fixed at the detection end of the portable actuating mechanism output end limiting angle detection device 2, namely, in the step S1, clamping.
The centering clamping, the coaxial clamping and the compressing limiting constraint clamping of the actuating mechanism 1 are key and are used for guaranteeing the detection precision of the actuating mechanism 1.
(With reference to fig. 5), specifically, step S1, clamping, namely, connecting the workpiece mandrel 101 of the actuator 1 and the detection end of the portable actuator output end limiting angle detection device 2 into a whole in a coaxial interference fit manner, wherein the interference fit precision meets the fit precision of a gap of 0.01mm, and after coaxial assembly, the coaxial detection function of the actuator 1 is realized.
The center counter bore 1012 of the workpiece mandrel 101 is coaxially aligned with the protruding center of the detection mandrel 2-6, the end face of the workpiece mandrel 101 is attached to the end face of the detection mandrel 2-6, at the moment, the rotation center of the workpiece is coaxial with the angle sensor 2-1, and coaxial errors are reduced.
Furthermore, it is also necessary to centralize the workpiece fork support 103 of the clamping actuator 1.
(As shown in fig. 7 and 8), in the above embodiment, to solve the problem of righting and adjusting the actuator 1 on the portable actuator output end limit angle detection device 2:
In step S1, the portable actuator output end limiting angle detection device 2 is provided with a positioning cylinder 2-8 and an eccentric positioning cylinder 2-7. The positioning cylinder 2-8 and the eccentric positioning cylinder 2-7 are vertically and suitably mounted on the end cover 2-5 of the device described later.
In order to realize the installation and adjustment of the positioning cylinder 2-8 and the eccentric positioning cylinder 2-7 by adopting a simple structure (as shown in figures 7 to 9), a pair of end cover threaded holes 2-501 are formed in the upper end face of the end cover 2-5, the end cover threaded holes 2-501 are arranged on the same side behind the workpiece shifting fork support 103 in a collinear manner, the end cover threaded holes 2-501 are arranged in a bilateral axisymmetric manner relative to the detection mandrel 2-6, the end cover threaded holes 2-501 are respectively screwed with the positioning cylinder 2-8 and the eccentric positioning cylinder 2-7 in a proper fit manner, and the positioning cylinder 2-8 and the eccentric positioning cylinder 2-7 are used for righting the workpiece shifting fork support 103.
The eccentric positioning cylinder 2-7 is formed by connecting and installing eccentric cylinders on a screw rod in a threaded manner through proper matching, and the eccentric positioning cylinder 2-7 is vertically and fixedly installed in the end cover threaded hole 2-501 corresponding to the end cover 2-5 through proper matching of screw thread rotation of the head of the screw rod.
When the positioning device is used, the outer cylindrical surfaces of the positioning cylinders 2-8 and the eccentric positioning cylinders 2-7 are attached to the rear vertical side wall of the workpiece shifting fork support 103 of the actuating mechanism 1, so that the function of limiting the rotation of the workpiece shifting fork support 103 around the workpiece mandrel 101 in a plane is achieved, and the workpiece shifting fork support 103 is particularly rightly installed. Namely, the workpiece shifting fork support 103 of the actuating mechanism 1 is righted and clamped on the portable actuating mechanism output end limiting angle detection device 2 by rotating the eccentric positioning cylinder 2-7.
Namely, the positioning cylinder 2-8 and the eccentric positioning cylinder 2-7 are rotated to enable the rear side edge of the workpiece shifting fork support 103 to be tightly attached to the positioning cylinder 2-8 and the eccentric positioning cylinder 2-7, so that the workpiece shifting fork support 103 is limited to rotate around the mandrel in a plane.
Therefore, the positioning cylinder 2-8 and the eccentric positioning cylinder 2-7 are combined, the workpiece shifting fork support 103 of the actuator 1 to be detected can be accurately regulated, and a foundation is laid for accurate detection of the actuator 1.
After the workpiece shifting fork support 103 is righted and clamped, the red handle II501 of the quick pressing clamp 5 is pressed down, so that the two rubber pressing heads 502 of the quick pressing clamp 5 press the upper end face of the workpiece shifting fork support 103 and are used for limiting the whole movement of the actuating mechanism 1, namely limiting the up-and-down movement of the actuating mechanism 1, and only the workpiece shifting fork 102 of the actuating mechanism 1 can drive the workpiece mandrel 101 to coaxially rotate around the detection end of the portable actuating mechanism output end limiting angle detection device 2 so as to limit the limiting angle of the actuating mechanism 1 to be detected.
(As in fig. 19-23) in the above embodiment, further, to solve the problem of how to achieve rapid pressing and releasing of the workpiece on the device, the rapid pressing jig 5 includes a jig mounting base 503, a pressing link 504, a handle II501, a T-shaped pressing plate 505, and a rubber pressing head 502.
It should be noted that the clamp mounting seat 503, the pressing connecting rod 504, and the handle II501 have the same structure as the existing structure, namely, the quick clamp of the brand of Jia hand goodhand, and the vertical quick clamp of the model GH-101B.
Wherein, the quick-press clamp 5 is fixedly arranged at the rear side of the end cover 2-5 through a clamp mounting seat 503.
The clamp mounting seat 503 is provided with a compression connecting rod 504, and the compression connecting rod 504 has a four-bar structure.
The operation end of the pressing connecting rod 504 is provided with a handle II501. Handle II501 is used for quick press and release switching of the clamp.
Unlike the prior art, the pressing connecting rod 504 is fixedly connected with the T-shaped pressing plate 505 and drives the T-shaped pressing plate 505 to vertically press down, so as to realize that the T-shaped pressing plate 505 performs a vertical pressing action and a releasing action.
The lower end surfaces of the symmetrical plate bodies arranged at the execution ends of the T-shaped pressing plates 505 are respectively and vertically fixedly connected with a rubber pressing head 502, and the rubber pressing heads 502 are used for pressing and fixing the workpiece shifting fork support 103 of the execution mechanism 1 when being vertically pressed down, so as to limit the vertical movement of the workpiece shifting fork support 103.
The quick pressing clamp 5 is obtained by modifying a vertical quick clamp with the model GH-101B as a basic structure based on the existing quick clamp with the brand of Jia hand goodhand, and is used for limiting the longitudinal runout of the actuating mechanism 1, and is simple to operate and reliable in pressing.
(See fig. 11 to 16) the structure of the actuator 1 to which the present invention is applied is such that the actuator 1 is composed of a work spindle 101, a work fork 102 and a work fork support 103.
The workpiece shifting fork support 103 is tightly pressed, righted and fixedly installed on the upper end face of the end cover 2-5 of the portable executing mechanism output end limiting angle detecting device 2 by using the quick pressing clamp 5, the locating cylinder 2-8 and the eccentric locating cylinder 2-7.
The workpiece mandrel 101 and the workpiece shifting fork 102 of the actuating mechanism 1 are concentrically and rigidly connected into a whole, the workpiece mandrel 101 and the workpiece shifting fork 102 are rotatably supported and installed in an inner hole of the workpiece shifting fork support 103 by bearing pieces, and the workpiece mandrel 101 and the workpiece shifting fork 102 have coaxial rotation function.
On the basis that a central counter bore 1012 is formed in the bottom end of the workpiece mandrel 101, and the central counter bore 1012 is used for coaxially clamping the workpiece and the detection mandrel.
Positioning grooves 1011 are respectively formed on the left side and the right side of the bottom end of the workpiece mandrel 101, and the positioning grooves 1011 are used for zero calibration of the workpiece.
The positioning groove 1011 is arranged in a bilateral axial symmetry way by taking the center counter bore 1012 as a symmetry axis.
The center counter bore 1012 is connected with the top ends of the shaft bodies of the detection mandrels 2-6 of the portable actuating mechanism output end limiting angle detection device 2 in a concentric interference fit mode, the positioning groove 1011 is used for being in positioning, inserting and adapting connection with the positioning end 301 of the zero tool 3, the workpiece shifting fork 102 is used for driving the workpiece mandrel 101 to rotate around the center of the workpiece mandrel 101 in the angle limiting groove 1031 of the workpiece shifting fork support 103, and the left limit position and the right limit position of the angle limiting groove 1031 are used for forming the rotation limiting angle of the workpiece shifting fork 102 of the actuating mechanism 1. Namely, the present invention is applicable to the detection of the limit angle of the above-described structure actuator 1.
And (as shown in fig. 17 and 18), inserting a zero tool 3, and calibrating the zero of the actuating mechanism 1 through the zero tool 3, namely, calibrating the zero in the step S2.
In step S2, zero setting is performed, namely the positioning end 301 of the zero tool 3 is inserted into the positioning groove 1011 of the workpiece mandrel 101 of the actuator 1, so that the mounting end 302 of the zero tool 3 is abutted against the corresponding straight edge of the outer contour of the workpiece to be measured, even if the workpiece shifting fork 102 of the actuator 1 is reset to the mechanical zero position of the actuator 1.
After the workpiece is zeroed, the reading of the control display 4 is zeroed, the limiting angle standard value of the actuating mechanism 1 is input into the control display 4, the zero tool 3 is removed, and the limiting angle of the actuating mechanism 1 is detected, namely, the control display is adjusted in step S3.
Specifically, in step S3, the control display is adjusted by pressing the zeroing switch 401 of the control display 4 to zero the reading of the display screen 402 of the control display 4, and the limiting angle standard value of the workpiece fork 102 of the actuator 1 to be detected is input into the control display 4 through the setting button 403.
The output end of the executing mechanism 1 is successively shifted to the left limit position and the right limit position (combining with fig. 24 and 25), the angle sensor 2-1 in the portable executing mechanism output end limit angle detecting device 2 is used for detecting the limit angle detection value of the output end of the executing mechanism 1 at the left limit position and the right limit position in real time, and displaying the limit angle detection value on the control display 4, and meanwhile, the control display 4 prompts whether the detected limit angle of the executing mechanism 1 is qualified or not in an alarm mode. Namely, step S4, left limit bit detection, and step S5, right limit bit detection, which will be described later.
Specifically, in step S4, the left limit position is detected by manually shifting the workpiece shifting fork 102 of the actuator 1 to the left limit position, and reading out the numerical value fed back by the display screen 402 of the control display 41, And the alarm indicator lamp 405 on the control display 4 is used for obtaining whether the detection result of the left limit position of the actuator 1 is qualified or not.
Specifically, in step S5, right limit position detection, the workpiece shifting fork 102 of the actuator 1 is manually shifted to the right limit position, and the numerical value fed back by the display screen 402 of the control display 4 is read out2, And the alarm indicator lamp 405 on the control display 4 is used for obtaining whether the right limit position detection result of the actuating mechanism 1 is qualified or not.
The portable executing mechanism output end limiting angle detection device is used by the portable executing mechanism output end limiting angle detection method.
The portable actuator output end limit angle detection device 2 is provided with a shell 2-2, and a supporting frame 2-3 is concentrically arranged in the shell 2-2.
Specifically, the support frame 2-3 has mounting holes aligned with the 2-housing 2-2, and then the support frame 2-3 is concentrically and fixedly mounted inside the housing 2-2 using two M4 screws.
The center of the bottom end of the supporting frame 2-3 is concentrically connected with an angle sensor 2-1. Specifically, the angle sensor 2-1 is correspondingly installed and fixed on the support frame 2-3 through three M3 screws.
The detection input end at the top end of the angle sensor 2-1 is concentrically connected with the bottom end of the coupler 2-4, the top end of the coupler 2-4 is concentrically connected with the bottom end of the detection mandrel 2-6, and preferably, the coupler 2-4 is of a coaxial sleeve structure.
The middle part of the shaft body of the detection mandrel 2-6 is concentrically and rotatably supported and arranged at the center position of the end cover 2-5 through a bearing piece, and the arrangement of the bearing piece ensures that the detection mandrel 2-6 rotates flexibly and reliably without clamping stagnation.
The end cover 2-5 and the top end of the shell 2-2 are concentrically connected into a whole, so that the coaxiality of the detection mandrel is ensured. The top end of the detection mandrel 2-6 extends out of the end cover 2-5, and the top end of the shaft body of the detection mandrel 2-6 extending out of the end cover 2-5 is connected with a center counter bore 1012 at the bottom end of a workpiece mandrel 101 of the executing mechanism 1 in a concentric interference fit manner, and the workpiece shifting fork 102 and the workpiece mandrel 101 coaxially limit and rotate, so that the detection precision is ensured.
Therefore, the output end limiting angle detection device 2 of the portable actuating mechanism has the advantages of high coaxiality of all parts, reliable detection and convenient movement.
The rear side of the end cover 2-5 is also provided with a quick-press clamp 5, and the quick-press clamp 5 is used for pressing and fixing a workpiece shifting fork support 103 at the top end of the device.
(In connection with fig. 10) the portable actuator output end limiting angle detection device 2 is provided with a zero tool 3. The zero tool 3 is provided with a positioning end 301 and a leaning end 302 which are mutually perpendicular.
The vertical side wall of the leaning end 302 is attached to the left or right vertical outer side wall of the workpiece shifting fork support 103 which is righted and clamped, the positioning end 301 is in interference insertion fit with a positioning groove 1011 which is axisymmetric on the left and right and is formed in the workpiece mandrel 101, and in a state that the zero tool 3 is inserted into the positioning groove 1011, the positioning groove 1011 is perpendicular to the shifting fork groove 1021 of the workpiece shifting fork 102, and the zero tool 3 at the moment enables the workpiece shifting fork 102 of the actuating mechanism 1 to be reset to a mechanical zero position.
In the above embodiment, the zero tool 3 further has a handle I303, the handle I303 is perpendicular to the vertical sidewall outside the mounting end 302, and the handle I303 is disposed outside the mounting end 302.
Therefore, the zero tool 3 is simple in structure, convenient to use, capable of adjusting the zero position of the actuating mechanism 1 by inserting, and simple, quick, reliable and efficient in mechanical zero resetting adjustment of the actuating mechanism 1.
On the basis, in order to realize the quick visual display of the limit angle detection value of the actuator 1 and facilitate the staff to quickly know whether the detection result is qualified or not, the angle sensor 2-1 is electrically connected with the input end of the control display 4.
The control display 4 of the invention adopts the control display instrument with the model of WF160J of the existing smoke table, the fluid-sensing sensor measurement and control technology company as a main body to carry out refitting and detection.
The control display 4 has a power switch 404, an alarm indicator 405, a zero setting switch 401, a set button 403 and a display screen 402.
The alarm indicator lamp 405 includes two alarm indicator lamps, one of which is whether the left limit is qualified or not, and the other of which is whether the right limit is qualified or not.
The control display 4 has complete functions, and has the functions of limiting angle standard value input, limiting angle detection value data display, data zeroing and lamplight alarm, thereby meeting the use requirement of efficiently and intuitively acquiring detection results.
The invention has the working principle that after the portable executing mechanism output end limit angle detection device 2 is righted, tightly fixed and clamped with the executing mechanism 1, the invention can quickly and intuitively obtain the limit angle detection value through the control display 4 by simply inserting the zero tool 3, adjusting the detection value of the control display 4 to the zero position, inputting the standard value, and then shifting the workpiece shifting fork 102 to the left and right limit positions left and right in turn, and intuitively judging whether the detection result is qualified or not through the alarm indicator 405. Specifically, the output end of the workpiece is rotated clockwise to a left limit position, and the numerical value fed back by the display is when the left limit position is read out1, Rotating the output end of the workpiece anticlockwise to the right limit position, and reading the value fed back by the display when the right limit position is read out to be2, Thereby obtaining that the unidirectional limiting angle of the actuator 1 is1、2, Total limiting angle of the workpiece0=1+2, Taking the invention as an example, the technical requirements are as follows: = ± (26 ° ±0.5°). And simultaneously, visually displaying whether the measurement result is qualified or not through the corresponding indicator lamp. The invention has the advantages of high detection efficiency, reliable detection result precision and low requirements for technicians, and is suitable for rapidly, efficiently and accurately detecting the limit angle of the actuating mechanism 1 in batches.
Compared with the existing laser spot calculation measurement, the invention is free from the restriction of conditions such as a measurement site, ambient temperature and the like, has obvious on-site measurement advantages, and meanwhile, compared with the laser spot measurement, the invention has the advantages of low operation difficulty, quick data acquisition, easy carrying, simple whole device use and assembly, low manufacturing cost, simple and quick operation, accurate and reliable reading and light weight. In addition, the direction and specific numerical value of unqualified limiting angles of the detected workpiece can be reflected through the measurement data, unqualified reasons can be conveniently searched, assembly is conveniently guided, assembly quality is guaranteed, and production efficiency is improved.
Moreover, the device is not only suitable for detecting the servo transmission mechanisms of the same type, but also can be used for precisely measuring other similar products of machines, and the using method and the effect are as obvious. For batch production, the detection is frequent, and the product which is required to be adjusted in time and cannot be intuitively measured by using the measuring tool is particularly suitable.
In summary, the invention is consistent with the measurement principle of the existing measurement method, and is different in that the invention only needs to make preparation work before early measurement, namely, checking that the angle sensor 2-1 and the control display 4 are in the precision requirement range, ensuring the evaluation analysis of the use effectiveness, carrying out the calibration before the use according to the field management of the measurement instrument, and the device has simple operation, can be operated on duty according to the standardization requirement, does not need special training, greatly reduces the requirement on operators compared with the calculation and measurement of laser points, and obviously improves the production efficiency, thereby saving the production cost.
In this specification, each embodiment is described in a related manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (9)
1. A portable executing mechanism output end limit angle detection method is characterized by comprising the steps of coaxially righting, clamping and restraining an executing mechanism (1) to be detected and fixing the executing mechanism to be detected to a detection end of a portable executing mechanism output end limit angle detection device (2), inserting a zero tool (3), correcting and adjusting zero positions of the executing mechanism (1) through the zero tool (3), zeroing readings of a control display (4), inputting limit angle standard values of the executing mechanism (1) to the control display (4), removing the zero tool (3), starting to detect limit angles of the executing mechanism (1), successively poking the output ends of the executing mechanism (1) to left and right limit positions respectively, detecting limit angle detection values of the output ends of the executing mechanism (1) at the left and right limit positions in real time by an angle sensor (2-1) in the portable executing mechanism output end limit angle detection device (2), and displaying the limit angle detection values on the control display (4), and simultaneously, prompting whether the detected limit angles of the executing mechanism (1) are qualified or not in an alarm mode by the control display (4);
The portable actuating mechanism output end limiting angle detection device (2) is provided with a shell (2-2), a supporting frame (2-3) is concentrically arranged in the shell (2-2), the center of the bottom end of the supporting frame (2-3) is concentrically connected with an angle sensor (2-1), the top end detection input end of the angle sensor (2-1) is concentrically connected with the bottom end of a coupler (2-4), the top end of the coupler (2-4) is concentrically connected with the bottom end of a detection mandrel (2-6), the middle part of the shaft body of the detection mandrel (2-6) is concentrically rotatably supported and arranged at the center of the end cover (2-5) through a bearing piece, the end cover (2-5) and the top end of the shell (2-2) are concentrically connected into a whole, the top end of the detection mandrel (2-6) extends out of the end cover (2-5), the top end of the shaft body of the detection mandrel (2-6) extends out of the end cover (2-5) is concentrically connected with a center counter bore (1012) of a workpiece mandrel (101) of the actuating mechanism (1) in an interference fit mode, the workpiece fork (102) is coaxially rotates with the bottom end of the workpiece mandrel (101), the workpiece fork (501) is coaxially rotates with the workpiece mandrel (101), a threaded hole (103) is arranged on the side of the end cover (2-501) and is arranged on the side of the end cover (103), the end cover threaded hole (2-501) is arranged in bilateral axial symmetry relative to the detection mandrel (2-6), the end cover threaded hole (2-501) is respectively screwed with a proper installation positioning cylinder (2-8) and an eccentric positioning cylinder (2-7), the positioning cylinder (2-8) and the eccentric positioning cylinder (2-7) are used for righting the workpiece shifting fork support (103), a quick pressing clamp (5) is further arranged at the rear side of the end cover (2-5), and the quick pressing clamp (5) is used for pressing and fixing the workpiece shifting fork support (103);
The portable executing mechanism output end limiting angle detection device (2) is provided with a zero tool (3), the zero tool (3) is provided with a positioning end (301) and a leaning end (302) which are mutually perpendicular, the leaning end (302) is provided with a vertical side wall which is attached to the left or right vertical outer side wall of a workpiece shifting fork support (103) which is righted and clamped, the positioning end (301) is in interference fit connection with a left and right axisymmetric positioning groove (1011) formed on a workpiece mandrel (101), and in the state that the zero tool (3) is inserted into the positioning groove (1011), the positioning groove (1011) is mutually perpendicular to a shifting fork groove (1021) of the workpiece shifting fork (102), and the zero tool (3) resets the workpiece shifting fork (102) of the executing mechanism (1) to a mechanical zero position;
The angle sensor (2-1) is electrically connected with the input end of the control display (4), and the control display (4) is provided with a power switch (404), an alarm indicator lamp (405), a zero setting switch (401), a setting button (403) and a display screen (402).
2. The method for detecting the limiting angle of the output end of the portable actuator according to claim 1, comprising the steps of,
S1, clamping, namely coaxially and interference-fit connecting a workpiece mandrel (101) of an executing mechanism (1) and a detection end of a portable executing mechanism output end limit angle detection device (2) into a whole and righting a workpiece shifting fork support (103) of the executing mechanism (1), pressing down a handle II (501) of a quick pressing clamp (5), enabling two rubber pressing heads (502) of the quick pressing clamp (5) to press the upper end face of the workpiece shifting fork support (103) so as to limit the integral movement of the executing mechanism (1), and only keeping a workpiece shifting fork (102) of the executing mechanism (1) to drive the workpiece mandrel (101) to coaxially rotate around the detection end of the portable executing mechanism output end limit angle detection device (2);
s2, zero position correction, namely inserting a positioning end (301) of a zero position tool (3) into a positioning groove (1011) of a workpiece mandrel (101) of the actuating mechanism (1) to reset a workpiece shifting fork (102) of the actuating mechanism (1) to a mechanical zero position of the actuating mechanism (1);
s3, adjusting the control display, namely pressing a zeroing switch (401) of the control display (4) to zero the reading of a display screen (402) of the control display (4), and inputting a limiting angle standard value of a workpiece shifting fork (102) of an actuating mechanism (1) to be detected into the control display (4) through a setting button (403);
s4, detecting left limit position, namely manually shifting a workpiece shifting fork (102) of an actuating mechanism (1) to the left limit position, and reading out a numerical value fed back by a display screen (402) of a control display (4) 1, Acquiring whether the detection result of the left limit position of the actuating mechanism (1) is qualified or not through an alarm indicator lamp (405) on a control display (4);
S5, right limit position detection, namely manually stirring a workpiece shifting fork (102) of an actuating mechanism (1) to a right limit position, and reading out a numerical value fed back by a display screen (402) of a control display (4) And 2, acquiring whether the detection result of the right limit position of the actuating mechanism (1) is qualified or not through controlling an alarm indicator lamp (405) on the display (4).
3. The method for detecting the limiting angle of the output end of the portable execution mechanism according to claim 2 is characterized in that in the step S1, the portable execution mechanism output end limiting angle detection device (2) is provided with a positioning cylinder (2-8) and an eccentric positioning cylinder (2-7), the outer cylindrical surfaces of the positioning cylinder (2-8) and the eccentric positioning cylinder (2-7) are attached to the rear vertical side wall of a workpiece shifting fork support (103) of the execution mechanism (1), and the workpiece shifting fork support (103) of the execution mechanism (1) is rightly clamped on the portable execution mechanism output end limiting angle detection device (2) by rotating the eccentric positioning cylinder (2-7).
4. The portable actuator output end limiting angle detection device is characterized by being a portable actuator output end limiting angle detection device (2) used by the portable actuator output end limiting angle detection method according to any one of claims 1-3.
5. The portable actuating mechanism output end limiting angle detection device is characterized in that the portable actuating mechanism output end limiting angle detection device (2) is provided with a zero tool (3), the zero tool (3) is provided with a positioning end (301) and a leaning end (302) which are perpendicular to each other, the leaning end (302) is provided with a vertical side wall which is attached to the left or right vertical outer side wall of a workpiece shifting fork support (103) which is righted and clamped, the positioning end (301) is in interference fit connection with a left and right axisymmetric positioning groove (1011) formed on the workpiece mandrel (101), in the state that the zero tool (3) is inserted into the positioning groove (1011), the positioning groove (1011) is perpendicular to a shifting fork groove (1021) of the workpiece shifting fork (102), and the zero tool (3) resets the workpiece shifting fork (102) of the actuating mechanism (1) to a mechanical zero position.
6. The device for detecting the limiting angle of the output end of the portable actuating mechanism according to claim 5 is characterized in that the zero tool (3) is further provided with a handle I (303), the handle I (303) is perpendicular to the leaning end (302), and the handle I (303) is arranged outside the leaning end (302).
7. The portable actuator output end limiting angle detection device according to claim 4, wherein the actuator (1) comprises a workpiece mandrel (101), a workpiece shifting fork (102) and a workpiece shifting fork support (103), the workpiece shifting fork support (103) is pressed, centered and fixedly installed on the upper end face of an end cover (2-5) of the portable actuator output end limiting angle detection device (2) by using a quick-press clamp (5), a positioning cylinder (2-8) and an eccentric positioning cylinder (2-7), the workpiece mandrel (101) and the workpiece shifting fork (102) are concentrically and rigidly connected into a whole, the workpiece mandrel (101) and the workpiece shifting fork (102) are rotatably supported and installed in an inner hole of the workpiece shifting fork support (103) by using a bearing piece, a center counter bore (1012) is formed at the bottom end of a shaft body of the workpiece mandrel (101), the device comprises a workpiece mandrel (101), wherein positioning grooves (1011) are respectively formed in the left side and the right side of the bottom end of the workpiece mandrel, the positioning grooves (1011) are symmetrically arranged in a left-right axis mode by taking a center counter bore (1012) as a symmetry axis, the center counter bore (1012) is connected with the top end of a shaft body of a detection mandrel (2-6) of a portable executing mechanism output end limiting angle detection device (2) in a concentric interference fit mode, the positioning grooves (1011) are used for being in positioning plug-in fit connection with a positioning end (301) of a zero tool (3), the workpiece shifting fork (102) is used for driving the workpiece mandrel (101) to rotate around the center of the workpiece mandrel (101) in an angle limiting groove (1031) of a workpiece shifting fork support (103), and the left-right limiting position of the angle limiting groove (1031) is used for forming a rotation limiting angle of a workpiece shifting fork (102) of the executing mechanism (1).
8. The portable actuating mechanism output end limiting angle detection device is characterized in that the quick pressing clamp (5) comprises a clamp mounting seat (503), a pressing connecting rod (504), a handle II (501), a T-shaped pressing plate (505) and rubber pressing heads (502), the quick pressing clamp (5) is fixedly mounted on the rear side of an end cover (2-5) through the clamp mounting seat (503), the pressing connecting rod (504) is mounted on the clamp mounting seat (503), the handle II (501) is arranged at the operating end of the pressing connecting rod (504), the pressing connecting rod (504) is fixedly connected with the T-shaped pressing plate (505) and drives the T-shaped pressing plate (505) to vertically press downwards, the T-shaped pressing plate (505) is used for vertically pressing the lower end faces of symmetrical plate bodies arranged at the actuating ends of the T-shaped pressing plate (505) to vertically fixedly connect the rubber pressing heads (502), and the rubber pressing heads (502) are vertically pressed down to be used for pressing a workpiece support (103) of a fixed actuating mechanism (1).
9. The device for detecting the limiting angle of the output end of the portable actuating mechanism according to claim 4, wherein the angle sensor (2-1) is electrically connected with the input end of the control display (4), and the control display (4) is provided with a power switch (404), an alarm indicator lamp (405), a zero setting switch (401), a setting button (403) and a display screen (402).
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