CN111829468B - A kind of multi-cone section deep hole measuring device and using method thereof - Google Patents
A kind of multi-cone section deep hole measuring device and using method thereof Download PDFInfo
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- CN111829468B CN111829468B CN202010674469.9A CN202010674469A CN111829468B CN 111829468 B CN111829468 B CN 111829468B CN 202010674469 A CN202010674469 A CN 202010674469A CN 111829468 B CN111829468 B CN 111829468B
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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
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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
- G01B21/10—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 diameters
- G01B21/14—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 diameters internal diameters
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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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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
本发明公开了一种多锥段深孔测量装置及其使用方法，本发明采用了三爪式胀紧机构，能够通过前、后中心调节轴与大、小锥块的配合，完成前、后卡爪沿深孔零件径向的移动，使得前后卡爪能与深长孔内壁接触，从而实现测量装置在深长孔内的精确定位。本发明采用了探规水平放置的药室孔径测量机构，通过摆动式测头底部与探规触头接触，将测量过程中径向位移量变动可以一定比例关系传递至水平放置探规触头，实现了结构尺寸较大的精密测量元件可在狭小深孔空间内的使用，避免了结构干涉。本发明采用测量单元独立于整体测量装置的设计，实现了测量单元沿轴向运动的精度保证。
The invention discloses a multi-cone section deep hole measuring device and a method of using the same. The invention adopts a three-claw type tightening mechanism, which can complete the front and rear through the cooperation of the front and rear center adjustment shafts with large and small cone blocks. The movement of the claws along the radial direction of the deep hole part enables the front and rear claws to contact the inner wall of the deep long hole, thereby realizing the precise positioning of the measuring device in the deep long hole. The invention adopts a medicine chamber aperture measuring mechanism with a probe gauge placed horizontally, and through the contact between the bottom of the swing probe and the probe gauge contact, the change of the radial displacement during the measurement process can be transmitted to the horizontally placed probe gauge contact in a certain proportional relationship. The precise measuring element with larger structure size can be used in the narrow and deep hole space, and the structure interference is avoided. The present invention adopts the design that the measuring unit is independent of the overall measuring device, and realizes the precision guarantee of the measuring unit moving along the axial direction.
Description
Technical Field
The invention belongs to the technical field of measuring devices, and particularly relates to a multi-cone-section deep hole measuring device and a using method thereof.
Background
The gun chamber is formed by combining a plurality of conical sections and cylindrical sections, chamber parameters are important indexes influencing the performance of the gun, and battle technical indexes such as the shooting accuracy and the shooting precision of a gun system are inevitably influenced by the geometric parameters of the chamber directly or indirectly. Accurate measurement of artillery chamber geometry is an important component in artillery barrel measurement.
Because the artillery powder chamber belongs to a variable-taper deep hole, inflection points exist among cones, the aperture change range is large, the hole body is long, and a measuring instrument is influenced by factors such as artillery structures and sensor technology limitations, the artillery powder chamber geometric measurement is higher in measurement difficulty, low in measurement efficiency and insufficient in measurement precision compared with the object outline dimension measurement, and therefore, no good solution exists for measuring the powder chamber geometric parameters in China all the time.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to design a multi-cone-section deep hole measuring device with high measuring efficiency, high measuring precision, simple structure and high structural reliability and a using method thereof.
In order to achieve the purpose, the technical scheme of the invention is as follows: a multi-cone-section deep hole measuring device comprises a protective shell, a front base cover plate and a rear base cover plate, wherein the front base cover plate and the rear base cover plate are respectively arranged on two sides of the protective shell;
a conveying belt guide wheel is fixed on the inner side of the front base cover plate, a servo driving motor is installed on the outer side of the rear base cover plate through a motor support, and a conveying belt is arranged between the conveying belt guide wheel and an output shaft of the servo driving motor;
a front central adjusting shaft and a rear central adjusting shaft are arranged between the front base cover plate and the rear base cover plate, the front central adjusting shaft is a solid shaft, the front end of the front central adjusting shaft is provided with threads, and the front central adjusting shaft is in threaded connection with the front base cover plate to form a screw pair; the rear central adjusting shaft is a hollow shaft, the middle section of the rear central adjusting shaft is provided with threads, and the rear central adjusting shaft is in threaded connection with the rear base cover plate to form a screw pair; the rear end of the front central adjusting shaft penetrates through the hollow part of the rear central adjusting shaft, and the tail ends of the front central adjusting shaft and the rear central adjusting shaft extend to the outer side of the rear base cover plate; a small conical block is mounted at the front end of the front central adjusting shaft and fixed by a front end retaining ring, a large conical block is mounted at the front end of the rear central adjusting shaft and fixed by a rear end retaining ring; the rear end of the front central adjusting shaft is provided with a front end adjusting rocker, the front end adjusting rocker drives the front central adjusting shaft to rotate, and the front central adjusting shaft moves along the axial direction; the rear end of the rear central adjusting shaft is provided with a rear end adjusting rocker, the rear end adjusting rocker drives the rear central adjusting shaft to rotate, and the rear central adjusting shaft moves along the axial direction;
the bottom of the front-end clamping jaw is provided with a conical surface matched with the small conical block, the bottom of the rear-end clamping jaw is provided with a conical surface matched with the large conical block, the conical surface at the bottom of the front-end clamping jaw is contacted with the conical surface of the small conical block on the front central adjusting shaft, and the conical surface at the bottom of the rear-end clamping jaw is contacted with the conical surface of the large conical block on the rear central adjusting shaft;
a grating ruler and a linear guide rail are further arranged between the front base cover plate and the rear base cover plate, a slider is arranged above the linear guide rail and is in sliding contact with the linear guide rail, the slider reciprocates along the linear guide rail, a measuring unit is arranged above the slider and comprises a transition plate, a measuring rod mounting frame, a swing type measuring rod, a detecting gauge, a pin shaft, a reset spring and a grating reading head, the transition plate is fixedly connected onto the slider through screws, the measuring rod mounting frame is fixedly connected onto the transition plate through screws, the swing type measuring rod is arranged on the measuring rod mounting frame through the pin shaft, the reset spring is arranged on the pin shaft, the extending ends on the two sides of the reset spring are respectively clamped onto the measuring rod mounting frame and the swing type measuring rod, and the detecting gauge is arranged on the transition plate through fixing screws, the bottom of the swing measuring rod is in contact with a front-end contact of the probe gauge, the grating reading head is fixed on the side edge of the transition plate through a screw, and the grating ruler is connected with the grating reading head;
the transition plate is also provided with a conveyor belt fixing frame, the conveyor belt fixing frame is fixedly connected onto the transition plate through screws, the conveyor belt is provided with a fixing hole, the conveyor belt fixing frame is provided with two cylindrical heads, and the cylindrical heads penetrate through the fixing hole in the conveyor belt and tightly press the conveyor belt onto the conveyor belt fixing frame through nuts;
and a handle and a wire arranging end are arranged on the outer side of the rear base cover plate.
A use method of a multi-cone-section deep hole measuring device comprises the following steps:
A. and (3) installing the multi-cone-section deep hole measuring device into the deep hole part to be measured, and positioning the multi-cone-section deep hole measuring device by adjusting the front end adjusting rocker and the rear end adjusting rocker.
B. Sequentially electrifying the driving motor, the grating ruler and the probe gauge, moving the measuring unit along the inner wall of the cylinder of the deep-hole part to be measured, and starting to record the measuring value R1 of the current probe gauge after the measuring value of the probe gauge is stably displayed in the moving process;
C. the measuring unit moves along the axis of the measured deep hole under the driving of the driving motor, the measuring numerical value R2 of the probe gauge is recorded again after the unit to be measured passes through the inner wall of the cone of the deep hole part, and meanwhile, the grating ruler records the axial displacement distance L of the measuring unit;
D. the cone angle is calculated according to the following calculation:
and (6) ending.
Compared with the prior art, the invention has the following beneficial effects:
1. because the three-jaw expansion mechanism is adopted, three jaws in the three-jaw expansion mechanism are uniformly distributed, the front jaw and the rear jaw can move along the radial direction of the deep hole part through the matching of the front central adjusting shaft and the rear central adjusting shaft with the large conical block and the small conical block, so that the front jaw and the rear jaw can be contacted with the inner wall of the deep long hole, and the accurate positioning of the measuring device in the deep long hole is realized.
2. The invention adopts the medicine chamber aperture measuring mechanism with the horizontally placed feeler gauge, and the bottom of the swing type measuring head is contacted with the feeler gauge contact head, so that the radial displacement change in the measuring process can be transmitted to the horizontally placed feeler gauge contact head in a certain proportion relation, thereby realizing the use of a precision measuring element with larger structural size in a narrow deep hole space and avoiding structural interference.
3. The measuring unit is independent of the whole measuring device, the whole measuring device is fixed, the measuring unit is fixed on the guide rail sliding block, and the motor drags the conveying belt to realize the axial movement of the measuring unit.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an axial sectional detail of the present invention;
FIG. 3 is a schematic diagram of the measurement mode of the present invention;
FIG. 4 is a schematic view of the three-jaw positioning of the present invention;
FIG. 5 is a schematic view of a three-jaw positioning structure of the present invention;
fig. 6 is a schematic view of the measuring principle of the taper of the medicine chamber.
In the figure: 1. front base cover plate, 2, front end clamping jaw, 3, grating ruler, 4, grating reading head, 5, conveyor belt, 6, rear base cover plate, 7, handle, 8, wire arranging end, 9, driving motor, 10, rear end clamping jaw, 11, protective shell, 12, conveyor belt fixing frame, 13, linear guide rail, 14, conveyor belt guide wheel, 15, front center adjusting shaft, 16, measuring rod mounting frame, 17, swing measuring rod, 18, probe gauge, 19, rear center adjusting shaft, 20, motor support, 21, front end adjusting rocker, 22, rear end adjusting rocker, 23, rear positioning support, 24, transition plate, 25, slide block, 26, front positioning support, 27, fixing screw, 28, pin shaft, 29, reset spring, 30, small cone, 31, front end retainer ring, 32, rear end retainer ring, 33, large cone, 34, clamping groove, 35 and part.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1-5, when the multi-cone deep hole measuring device works, the multi-cone deep hole measuring device is placed in a corresponding position inside a deep hole part 35 to be measured, the front end adjusting rocker 21 is manually shaken, the front end adjusting rocker 21 drives the front center adjusting shaft 15 to rotate, the front center adjusting shaft 15 is in threaded connection with the front base cover plate 1 to form a screw pair, the front center adjusting shaft 15 can move along the radial direction, a small cone block 30 is installed on the front center adjusting shaft 15, the conical surface of the small cone block 30 is in contact with the conical surfaces at the bottoms of three front end clamping jaws 2, when the front center adjusting shaft 15 rotates and moves forwards along an axis, the small cone block pushes the three front end clamping jaws 2 to simultaneously expand outwards along the direction of the clamping grooves 34 on the front positioning support 26, and the shaking of the front end adjusting rocker 21 is stopped until the three front end clamping jaws 2 are reliably contacted with the inner wall of the pipe to. Similarly, the rear end adjusting rocker 22 is manually rocked, the rear end adjusting rocker 22 drives the rear center adjusting shaft 19 to rotate, the rear center adjusting shaft 19 is in threaded connection with the rear base cover plate 6 to form a screw pair, the rear center adjusting shaft 19 can move along the radial direction, the rear center adjusting shaft 19 is provided with a large conical block 33, the large conical block 33 is in contact with the bottom conical surfaces of the three rear end clamping claws 10, when the rear center adjusting shaft 19 rotates and moves forwards along the axis, the large conical block pushes the three rear end clamping claws 10 to simultaneously expand outwards until the three rear end clamping claws 10 are in reliable contact with the inner wall of the pipe to be tested, and then the rocking of the rear end adjusting rocker 22 is stopped. And positioning the multi-cone-section deep hole measuring device in the pipe fitting to be measured. The power supply is turned on, the driving motor 9 drives the measuring unit to move along the linear guide rail 13 through the conveyor belt 5, the bottom of the swing type measuring rod 17 in the measuring unit is always kept in contact with a contact of the probe gauge 18 under the action of the return spring 29, when the swing type measuring rod 17 is in contact with the inner wall of the pipe to be measured to measure, and when the diameter of the inner wall of the pipe to be measured changes, the swing type measuring rod 17 can swing correspondingly by taking the pin shaft 28 as a rotation center, because the front end contact of the probe gauge 18 is always in contact with the bottom of the swing type measuring rod 17, the swing displacement of the swing type measuring rod 17 generated by the change of the inner diameter of the pipe to be measured can be recorded, the change of the inner diameter of the pipe to be measured can be calculated, and meanwhile, the grating reading head 4 fixed on one side of the transition.
The invention is designed aiming at the multi-cone section deep hole of the gun chamber, but is suitable for the measurement of various multi-cone section deep holes.
The above-described examples merely represent one embodiment of the present invention and are not to be construed as limiting the scope of the invention. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step, belong to the scope of protection of the present invention.
Claims (2)
1. The utility model provides a many cones section deep hole measuring device which characterized in that: the protective device comprises a protective shell (11), and a front base cover plate (1) and a rear base cover plate (6) which are respectively arranged on two sides of the protective shell (11), wherein a front positioning support (26) is fixed on the front base cover plate (1), and a rear positioning support (23) is fixed on the rear base cover plate (6); three front-end clamping jaws (2) are uniformly arranged in a clamping groove (34) on the front positioning support (26) along the circumferential direction to form a front-end three-jaw type expansion mechanism, and three rear-end clamping jaws (10) are uniformly arranged in the clamping groove (34) on the rear positioning support (23) along the circumferential direction to form a rear-end three-jaw type expansion mechanism;
a conveyor belt guide wheel (14) is fixed on the inner side of the front base cover plate (1), a driving motor (9) is installed on the outer side of the rear base cover plate (6) through a motor support (20), and a conveyor belt (5) is arranged between the conveyor belt guide wheel (14) and an output shaft of the driving motor (9);
a front center adjusting shaft (15) and a rear center adjusting shaft (19) are arranged between the front base cover plate (1) and the rear base cover plate (6), the front center adjusting shaft (15) is a solid shaft, the front end of the front center adjusting shaft is provided with threads, and the front center adjusting shaft is in threaded connection with the front base cover plate (1) to form a screw pair; the rear central adjusting shaft (19) is a hollow shaft, the middle section of the rear central adjusting shaft is provided with threads, and the rear central adjusting shaft is in threaded connection with the rear base cover plate (6) to form a screw pair; the rear end of the front central adjusting shaft (15) penetrates through the hollow rear central adjusting shaft (19), and the tail ends of the front central adjusting shaft (15) and the rear central adjusting shaft (19) extend to the outer side of the rear base cover plate (6); a small conical block (30) is installed at the front end of the front center adjusting shaft (15), the small conical block (30) is fixed by a front end retainer ring (31), a large conical block (33) is installed at the front end of the rear center adjusting shaft (19), and the large conical block (33) is fixed by a rear end retainer ring (32); the rear end of the front central adjusting shaft (15) is provided with a front end adjusting rocker (21), the front end adjusting rocker (21) drives the front central adjusting shaft (15) to rotate, and the front central adjusting shaft (15) moves along the axial direction; a rear end adjusting rocker (22) is arranged at the rear end of the rear center adjusting shaft (19), the rear end adjusting rocker (22) drives the rear center adjusting shaft (19) to rotate, and the rear center adjusting shaft (19) moves along the axial direction;
the bottom of the front-end clamping jaw (2) is provided with a conical surface matched with the small conical block (30), the bottom of the rear-end clamping jaw (10) is provided with a conical surface matched with the large conical block (33), the conical surface at the bottom of the front-end clamping jaw (2) is contacted with the conical surface of the small conical block (30) on the front central adjusting shaft (15), and the conical surface at the bottom of the rear-end clamping jaw (10) is contacted with the conical surface of the large conical block (33) on the rear central adjusting shaft (19);
a grating ruler (3) and a linear guide rail (13) are further arranged between the front base cover plate (1) and the rear base cover plate (6), a sliding block (25) is arranged above the linear guide rail (13), the sliding block (25) is in sliding contact with the linear guide rail (13), the sliding block (25) reciprocates along the linear guide rail (13), a measuring unit is arranged above the sliding block (25), the measuring unit comprises a transition plate (24), a measuring rod mounting frame (16), a swing type measuring rod (17), a probe gauge (18), a pin shaft (28), a reset spring (29) and a grating reading head (4), the transition plate (24) is fixedly connected onto the sliding block (25) through screws, the measuring rod mounting frame (16) is fixedly connected onto the transition plate (24) through screws, the swing type measuring rod (17) is mounted onto the measuring rod mounting frame (16) through the pin shaft (28), the reset spring (29) is installed on the pin shaft (28), the extending ends of two sides of the reset spring (29) are respectively clamped on the measuring rod installation frame (16) and the swing-type measuring rod (17), the probe gauge (18) is installed on the transition plate (24) through a fixing screw (27), the bottom of the swing-type measuring rod (17) is contacted with a front end contact of the probe gauge (18), the grating reading head (4) is fixed on the side edge of the transition plate (24) through a screw, and the grating ruler (3) and the grating reading head (4) are connected with each other;
the transition plate (24) is further provided with a conveyor belt fixing frame (12), the conveyor belt fixing frame (12) is fixedly connected onto the transition plate (24) through screws, the conveyor belt (5) is provided with fixing holes, the conveyor belt fixing frame (12) is provided with two cylindrical heads, the cylindrical heads penetrate through the fixing holes in the conveyor belt (5), and the conveyor belt (5) is tightly pressed onto the conveyor belt fixing frame (12) through nuts;
and a handle (7) and a wire arranging end (8) are arranged on the outer side of the rear base cover plate (6).
2. A method of using the multi-cone deep hole measuring device of claim 1, wherein: the method comprises the following steps:
A. the multi-cone-section deep hole measuring device is arranged in a deep hole part (35) to be measured, and the positioning of the multi-cone-section deep hole measuring device is completed by adjusting a front end adjusting rocker (21) and a rear end adjusting rocker (22);
B. sequentially electrifying a driving motor (9), a grating ruler (3) and a probe gauge (18), moving a measuring unit along the inner wall of a cylinder of the deep-hole part to be measured (35), and starting to record the measuring value R1 of the current probe gauge (18) after the measuring value of the probe gauge (18) is stably displayed in the moving process;
C. the measuring unit moves along the axis of the measured deep hole under the driving of a driving motor (9), the measuring unit records the measuring value R2 of the probe gauge (18) again after passing through the conical inner wall of the deep hole part (35), and simultaneously the grating ruler (3) records the axial displacement distance L of the measuring unit;
D. the cone angle is calculated according to the following calculation:
and (6) ending.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010674469.9A CN111829468B (en) | 2020-07-14 | 2020-07-14 | A kind of multi-cone section deep hole measuring device and using method thereof |
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| CN202010674469.9A CN111829468B (en) | 2020-07-14 | 2020-07-14 | A kind of multi-cone section deep hole measuring device and using method thereof |
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| CN111829468B true CN111829468B (en) | 2021-05-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113551608B (en) * | 2021-07-13 | 2022-05-20 | 大连理工大学 | A profile measuring device and method for multi-cone-section deep-hole parts |
| CN115388837B (en) * | 2022-08-16 | 2024-08-16 | 西北核技术研究所 | A deep hole morphology measurement device for different hole diameters |
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| CN111829468A (en) | 2020-10-27 |
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