CN109282727B - Gas type inner diameter measuring tool for detecting equal-diameter deep holes - Google Patents
Gas type inner diameter measuring tool for detecting equal-diameter deep holes Download PDFInfo
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- CN109282727B CN109282727B CN201811214005.9A CN201811214005A CN109282727B CN 109282727 B CN109282727 B CN 109282727B CN 201811214005 A CN201811214005 A CN 201811214005A CN 109282727 B CN109282727 B CN 109282727B
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques 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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention discloses a gas type inner diameter measuring tool for detecting an equal diameter deep hole, which comprises a parallel type positioning and clamping mechanism, a self-adaptive measuring and displaying mechanism, a measuring position regulating and controlling mechanism and a system controller. The system controller controls the parallel type positioning and clamping mechanism to realize automatic positioning and clamping between the full-automatic inner diameter measuring tool and the measured workpiece; under the support of the parallel type positioning and clamping mechanism, the system controller controls the measuring position regulating mechanism to drive the self-adaptive measuring and displaying mechanism to move to the position to be measured of the inner diameter of the equal-diameter deep hole of the measured workpiece; and finally, the self-adaptive measuring and displaying mechanism is used for measuring and displaying the inner diameter of the position to be measured of the equal-diameter deep hole of the measured workpiece. The full-automatic inner diameter measuring tool provided by the invention adopts a parallel mechanism to rapidly realize positioning and clamping, and adopts a gas-type self-adaptive measuring mechanism with high sensitivity, so that the full-automatic inner diameter measuring tool is convenient to operate, is simple and feasible, and can obviously improve the efficiency and the accuracy of the detection of the inner diameter of the deep hole with the equal diameter.
Description
Technical Field
The invention discloses a gas type inner diameter measuring tool, in particular relates to a gas type inner diameter measuring tool for detecting a deep hole with equal diameter, and belongs to the technical field of deep hole detection tools.
Background
With the increasing wide application of large and ultra-large parts in modern aircraft, steamship, large precision instruments and other products, the requirements for automatic measuring tools for deep-hole or ultra-deep-hole parts with the hole depth to aperture ratio of more than 5 are also increasing. The traditional aperture measuring method based on calipers and calipers has large artificial influence factors, such as detection positioning and the like, so that special measuring tools appear for detecting the inner diameter of the deep hole/ultra-deep hole, but the existing deep hole inner diameter measuring tool is generally in the problem of difficult positioning with the detected workpiece, and the sensitivity of a detecting unit needs to be further improved.
Disclosure of Invention
The invention aims to solve the technical problems that the existing deep hole measuring tool in the background technology is complex in measuring process, low in automation degree, low in sensitivity of a detection unit and the like, and provides an air type inner diameter measuring tool for detecting the deep hole with the same diameter.
In order to solve the problems, the invention adopts the following technical scheme:
a gas formula internal diameter measuring tool for waiting diameter deep hole to detect, its characterized in that: the measuring tool comprises a parallel type positioning and clamping mechanism, a self-adaptive measuring and displaying mechanism, a measuring position regulating mechanism and a system controller.
The parallel type positioning and clamping mechanism comprises a fixed platform, a movable platform, a first connecting rod, a second connecting rod, a radial sliding block and a cylinder; one end of the fixed platform, which is contacted with the workpiece to be tested, is provided with a conical positioning surface, the center of the fixed platform is provided with a first through hole, and two first guide holes are uniformly distributed around the through hole; the movable platform is positioned at the other end far away from the conical positioning surface of the fixed platform, an air cylinder is arranged between the fixed platform and the movable platform, an air cylinder shell is fixed on the end surface of the fixed platform, an air cylinder piston rod is connected with the movable platform, a trisection radial chute is formed in the circumferential direction on the end surface of the movable platform adjacent to the fixed platform, a second through hole is formed in the center of the movable platform, and two guide holes are uniformly distributed around the second through hole; three groups of connecting rod slide block mechanisms are arranged between the fixed platform and the movable platform, and each group of connecting rod slide block mechanisms comprises a connecting rod I, a connecting rod II and a radial slide block; one end of the connecting rod I is fixedly connected to the trisected outer circle of the fixed platform; the second connecting rod is in an asymmetric V shape, one end of the second connecting rod is connected with a radial sliding block in a radial sliding groove of the movable platform through a cylindrical hinge, and the middle part of the second connecting rod is also connected with the first connecting rod through a cylindrical hinge.
The self-adaptive measuring and displaying mechanism comprises a cylinder barrel, a conical piston, a left cylinder cover, a right cylinder cover, a pressure spring, a hollow piston rod, a T-shaped sleeve, a measuring head seat, a measuring head, an inner diameter dial indicator and a mounting bracket; the cylinder barrel is internally provided with a conical piston, the left end face and the right end face of the cylinder barrel are respectively connected with a left cylinder cover and a right cylinder cover, and a group of trisection radial through holes are formed in a certain cross section of the middle part of the cylinder barrel along the radial direction; the conical surface of the conical sliding block faces to the right, trisection sliding grooves are formed in the conical surface of the conical sliding block along a bus method of the conical sliding block, a measuring head seat is arranged in each sliding groove, and the measuring head seat penetrates through a radial through hole in the sleeve and is connected with a measuring head; the pressure spring is arranged between the conical piston and the right cylinder cover; the left end of the hollow piston rod coaxially penetrates through the conical piston, the right end of the hollow piston rod is provided with a sealing cantilever, and the sealing cantilever is provided with an air inlet; the T-shaped sleeve is sleeved on the hollow piston rod, and the left end of the T-shaped sleeve is fixedly connected with the right cylinder cover; sliding bearings I are arranged between the hollow piston rod and the right cylinder cover as well as between the hollow piston rod and the T-shaped sleeve, the right end of the hollow piston rod extends out of the T-shaped sleeve, the right end of the T-shaped sleeve is connected with an annular supporting disc, an inner diameter dial indicator is arranged between the annular supporting disc and a sealing cantilever of the hollow piston rod through an installing bracket, and an inner diameter dial indicator measuring head is connected with the sealing cantilever.
The measuring position regulating and controlling mechanism comprises a driving motor, a motor bracket, a gear, a rack, a sleeve, an annular supporting disc, a guide rod and a sliding bearing II; the driving motor is arranged on the end surface of the fixed platform, which is close to the movable platform, through a motor bracket; the gear is arranged on the output shaft of the driving motor; the sleeve is sleeved on the T-shaped sleeve through a sliding bearing II at two ends, and the rack is arranged on the sleeve and meshed with the gear; one end of the sleeve, which is far away from the fixed platform, is connected with the annular supporting disc through a third sliding bearing; two guide rods are uniformly distributed on the annular supporting disc along the circumferential direction; the guide rod slidably passes through the movable platform and the fixed platform;
the T-shaped sleeve of the self-adaptive measuring and displaying mechanism is sleeved in the sleeve of the measuring position regulating mechanism, the inner diameter dial indicator, the mounting bracket and the annular supporting disk extend out of the sleeve, and the parallel type positioning and clamping mechanism is sleeved on the sleeve of the measuring position regulating mechanism through a first through hole of the fixed platform and a second through hole of the movable platform;
the system controller is electrically connected with the driving motor and the air cylinder.
As a preferred embodiment, the number of the air cylinders is 3, and each air cylinder is positioned at three equal parts of a certain circle on the end surface of the positioning platform.
The cone angle of the conical locating surface of the fixed platform is designed according to the chamfer angle of the orifice of the tested workpiece 2.
The left end of the hollow piston rod is coaxially and fixedly connected with the conical piston; a sliding sealing ring (not shown) is arranged between the conical piston and the cylinder barrel.
Sliding bearings I are arranged between the hollow piston rod and the right cylinder cover as well as between the hollow piston rod and the T-shaped sleeve.
One end of the measuring head seat, which is close to the conical piston, is provided with a rotatable cylindrical pin, and the cylindrical pin can slide along the conical piston chute; the measuring head is in threaded connection with the measuring head seat, and the adjustable distance between the measuring head and the measuring head seat is 1-3 mm.
The pressure spring is in a compression state when the measuring tool does not work, and the conical piston moves leftwards by the elasticity of the pressure spring to drive the measuring head seat and the measuring head to be in a retraction state.
And a sliding bearing III is arranged between the annular supporting disc and the slender sleeve.
The beneficial effects of the invention are as follows:
1. the gas type inner diameter measuring tool for detecting the equal-diameter deep holes adopts the parallel mechanism to simultaneously realize positioning and clamping, thereby being beneficial to auxiliary inner diameter measurement and simplifying the composition structure of the measuring tool.
2. The gas type inner diameter measuring tool for detecting the deep holes with the same diameter adopts the gas type automatic measuring mechanism, fully utilizes the variability of the volume of pressure gas and the sensitivity of reaction, is favorable for ensuring the detection precision of the inner diameter of the deep holes, and is also favorable for avoiding scratching the surface of a workpiece.
3. The gas type inner diameter measuring tool for detecting the equal-diameter deep holes adopts an automatic parallel clamping and positioning mechanism and a measuring position adjusting mechanism, so that the operation of the measuring tool is simplified, and the measuring efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a parallel positioning and clamping mechanism according to the present invention;
FIG. 3 is a cross-sectional view of the adaptive measurement and display mechanism of the present invention;
FIG. 4 is a schematic diagram of a measuring position regulating mechanism according to the present invention;
FIG. 5 is a schematic diagram of an embodiment of the present invention.
Detailed Description
In order to make the contents of the present invention more comprehensible, embodiments accompanied with figures are further described below.
As shown in fig. 1, a gas type inner diameter measuring tool for detecting a deep hole with equal diameter comprises a parallel type positioning and clamping mechanism 1000, an adaptive measuring and displaying mechanism 2000, a measuring position regulating mechanism 3000 and a system controller.
As shown in fig. 2, the parallel positioning and clamping mechanism 1000 includes a fixed platform 1001, a movable platform 1002, a first connecting rod 1003, a second connecting rod 1004, a radial slide 1005, and a cylinder 1006; the end of the fixed platform 1001, which is contacted with the measured workpiece 2, is provided with a conical positioning surface, the cone angle of the conical positioning surface is designed according to the chamfer angle of the orifice of the measured workpiece 2, the center of the fixed platform 1001 is provided with a first through hole, and the end surface of the fixed platform around the first through hole is axially provided with two first guide holes; the movable platform 1002 is positioned at the other end far away from the conical positioning surface of the fixed platform 1001, a trisection radial chute is formed on the end surface of the movable platform 1002 adjacent to the fixed platform 1001 along the circumferential direction, a second through hole is formed in the center of the movable platform 1002, and two second guide holes are axially formed on the end surface of the movable platform around the second through hole; three groups of connecting rod slide block mechanisms are arranged between the fixed platform 1001 and the movable platform 1002, and each group of connecting rod slide block mechanisms comprises a connecting rod one 1003, a connecting rod two 1004 and a radial slide block 1005; one end of a first connecting rod 1003 is fixedly connected to an outer circle which is trisected by the fixed platform 1001; the connecting rod II 1004 is in an asymmetric V shape, one end of the connecting rod II 1004 is connected with a radial sliding block 1005 in a radial sliding groove of the movable platform 1002 through a cylindrical hinge, and the middle part of the connecting rod II 1004 is also connected with the connecting rod I1003 through a cylindrical hinge; the cylinder 1006 housing is fixed on the end face of the fixed platform 1001, the piston rods of the cylinders 1006 are connected with the movable platform 1002, the number of the cylinders 1006 is 3, and each cylinder 1006 is located at a three-equal part of a circle on the end face of the fixed platform 1001.
As shown in fig. 3, the adaptive measuring and display mechanism 2000 includes a cylinder 2001, a conical piston 2002, a left cylinder cover 2003, a right cylinder cover 2004, a compression spring 2007, a hollow piston rod 2008, a T-shaped sleeve 2009, a gauge head base 2005, a gauge head 2006, an inner diameter dial indicator 2010, and a mounting bracket 2011; the cylinder 2001 is internally provided with a conical piston 2002, the left end face and the right end face of the cylinder 2001 are respectively connected with a left cylinder cover 2003 and a right cylinder cover 2004, and a group of trisected radial through holes are formed in the middle part of the cylinder 2001 along the radial direction; a conical piston 2002 with a sliding sealing ring (not shown) arranged between the cylinder 2001 faces to the right, trisection sliding grooves are formed in the conical surface of the conical piston 2002 along a bus method of the conical piston 2002, a measuring head seat 2005 is arranged in each sliding groove, one end of the measuring head seat 2005 close to the conical piston 2002 is provided with a rotatable cylindrical pin, the cylindrical pin can slide along the sliding groove of the conical piston 2002, the other end of the measuring head seat 2005 penetrates through a radial through hole in the sleeve, a measuring head 2006 is connected by adopting threads, and the adjustable distance between the measuring head 2006 and the measuring head seat 2005 is 1-3 mm; the pressure spring 2007 is arranged between the conical piston and the right cylinder cover 2004, the pressure spring is in a compression state when the measuring tool does not work, the measuring head seat 2005 and the measuring head 2006 are in a retraction state, the elastic force of the pressure spring 2007 enables the conical piston 2002 to move left, and the measuring head seat 2005 and the measuring head 2006 are driven to extend out of the radial through hole on the sleeve; the left end of a hollow piston rod 2008 coaxially and fixedly connected with the conical piston 2002 coaxially penetrates through the conical piston 2002, the right end of the hollow piston rod 2008 is provided with a sealing cantilever, and an air inlet is formed in the sealing cantilever; the T-shaped sleeve 2009 is sleeved on the hollow piston rod 2008, and the left end of the T-shaped sleeve 2009 is fixedly connected with the right cylinder cover 2004; a first 2012 of sliding bearings is arranged between the hollow piston rod 2008 and the right cylinder cover 2004 as well as between the hollow piston rod 2008 and the T-shaped sleeve 2009, the right end of the hollow piston rod 2008 extends out of the T-shaped sleeve, the right end of the T-shaped sleeve is connected with an annular supporting disc 3006, an inner diameter dial indicator 2010 is arranged between the annular supporting disc and a sealing cantilever of the hollow piston rod through a mounting bracket 2011, and a measuring head of the inner diameter dial indicator 2010 is connected with the sealing cantilever.
As shown in fig. 4, the measurement position regulating mechanism 3000 includes a driving motor 3001, a motor bracket 3002, a gear 3003, a rack 3004, a sleeve 3005, an annular supporting disk 3006, a guide rod 3007, a slide bearing two 3008; the driving motor 3001 is mounted on the end face of the fixed platform 1001, which is close to the movable platform, through a motor bracket 3002; the gear 3003 is mounted on the output shaft of the driving motor 3001; the sleeve 3005 is sleeved on the T-shaped sleeve through a second sliding bearing 3008 at two ends, and a rack 3004 is arranged on the sleeve 3005 and meshed with the gear 3003; one end of the sleeve 3005, which is far away from the fixed platform 1001, is connected with the annular supporting disc 3006 through a third sliding bearing; the annular supporting disc 3006 is provided with two guide rods 3007 uniformly distributed along the circumferential direction; guide rods 3007 slidably pass through the movable platform 1002 and the fixed platform 1001.
The system controller is electrically connected with the driving motor 3001 and the reversing control valve of the cylinder 1006.
The working process of the gas type inner diameter measuring tool for detecting the equal-diameter deep hole is as follows:
1) Preparing before measurement, firstly selecting a proper measuring head 2006 according to the size of the inner diameter of a deep hole with the same diameter as the measured workpiece, and connecting the measuring head 2006 with a measuring head seat 2005; providing pressure to the cavity at the left end of the conical piston 2002 through the air inlet at the right end of the hollow piston rod 2008; the calibration work of the measuring tool is completed by means of an inner diameter standard ring gauge and a pressure spring 2007, a calibration value is recorded, and the zero position of an inner diameter dial indicator 2010 is adjusted.
2) During measurement, as shown in fig. 5, a system controller controls a parallel type positioning and clamping mechanism 1000 to realize automatic positioning and clamping between the gas type inner diameter measuring tool 1 and the measured workpiece 2; under the support of the parallel type positioning and clamping mechanism 1000, the system controller controls the measuring position regulating mechanism 3000 to drive the self-adaptive measuring and displaying mechanism 2000 to move to the position to be measured of the inner diameter of the equal-diameter deep hole of the measured workpiece 2; and finally, the self-adaptive measuring and displaying mechanism 2000 is used for measuring and displaying the inner diameter of the position to be measured of the equal-diameter deep hole of the measured workpiece 2, and the specific implementation steps are as follows:
a) Placing a fixed platform 1001 of a parallel type positioning and clamping mechanism 1000 on the end face of a deep hole of a measured workpiece 2, simultaneously starting three air cylinders 1006, and driving three first connecting rods 1003 to clamp the outer surface of the measured workpiece 2 through a movable platform 1002, a radial sliding block 1005 and a second connecting rod 1004 to finish positioning and clamping of the gas type inner diameter measuring tool 1 and the measured workpiece 2;
b) Under the support of the parallel type positioning and clamping mechanism 1000, a driving motor 3001 is started, and the self-adaptive measuring and displaying mechanism 2000 is driven to run to a position to be measured of the deep hole inner diameter of the workpiece 2 to be measured through a pinion 3003, a rack 3004, an elongated sleeve 3005, a shape supporting disc 3006, a guide rod 3007 and a sliding bearing II 3008;
c) Under the action of the gas pressure of the cavity at the left end of the conical piston 2002 and the elasticity of the pressure spring 2007 and the action force of the hole walls of the three measuring heads 2006, the conical piston 2002 can slide left and right in the cylinder 2001 correspondingly, as the cone angle of the conical surface of the conical piston 2002 is 45 degrees, the axial displacement of the conical piston 2002 is the single-side radius variation of the hole diameter to be measured, the axial displacement of the conical piston 2002 is reflected to the inner diameter dial indicator 2010 through the hollow piston rod 2008, the numerical value is read, and the inner diameter size of the current position is calculated by combining the calibration value.
d) If the inner diameters of holes at different positions on the same section are required to be measured, only the right end of the T-shaped sleeve 2009 is required to be rotated, so that three measuring heads 2006 rotate in the current section under the constraint of the conical piston 2002 and the measuring head seat 2005; if the inner diameters of deep holes on different interfaces need to be measured, the driving motor 3001 needs to be started, and the self-adaptive measuring and displaying mechanism 2000 is driven to operate to the corresponding section of the inner diameter to be measured through the pinion 3003, the rack 3004 and the slender sleeve 3005.
The above description is only one preferred embodiment of the gas type inner diameter gauge for detecting the equal diameter deep hole according to the present invention, but the scope of the present invention is not limited to this example.
Claims (4)
1. A gas formula internal diameter measuring tool for waiting diameter deep hole to detect, its characterized in that: the measuring tool comprises a parallel type positioning and clamping mechanism, a self-adaptive measuring and displaying mechanism, a measuring position regulating and controlling mechanism and a system controller;
the parallel type positioning and clamping mechanism comprises a fixed platform, a movable platform, a first connecting rod, a second connecting rod, a radial sliding block and a cylinder; one end of the fixed platform, which is contacted with the workpiece to be tested, is provided with a conical positioning surface, the center of the fixed platform is provided with a first through hole, and two first guide holes are uniformly distributed around the through hole; the movable platform is positioned at the other end far away from the conical positioning surface of the fixed platform, an air cylinder is arranged between the fixed platform and the movable platform, an air cylinder shell is fixed on the end surface of the fixed platform, an air cylinder piston rod is connected with the movable platform, a trisection radial chute is formed in the circumferential direction on the end surface of the movable platform adjacent to the fixed platform, a second through hole is formed in the center of the movable platform, and two guide holes are uniformly distributed around the second through hole; three groups of connecting rod slide block mechanisms are arranged between the fixed platform and the movable platform, and each group of connecting rod slide block mechanisms comprises a connecting rod I, a connecting rod II and a radial slide block; one end of the connecting rod I is fixedly connected to the trisected outer circle of the fixed platform; the second connecting rod is in an asymmetric V shape, one end of the second connecting rod is connected with a radial sliding block in a radial sliding groove of the movable platform through a cylindrical hinge, and the middle part of the second connecting rod is also connected with the first connecting rod through a cylindrical hinge;
the self-adaptive measuring and displaying mechanism comprises a cylinder barrel, a conical piston, a left cylinder cover, a right cylinder cover, a pressure spring, a hollow piston rod, a T-shaped sleeve, a measuring head seat, a measuring head, an inner diameter dial indicator and a mounting bracket; the cylinder barrel is internally provided with a conical piston, the left end face and the right end face of the cylinder barrel are respectively connected with a left cylinder cover and a right cylinder cover, and a group of trisection radial through holes are formed in a certain cross section of the middle part of the cylinder barrel along the radial direction; the conical surface of the conical piston faces to the right, trisection sliding grooves are formed in the conical surface of the conical piston along the direction of a bus of the conical surface of the conical piston, a measuring head seat is arranged in each sliding groove, and the measuring head seat penetrates through a radial through hole in the cylinder barrel and is connected with a measuring head; the pressure spring is arranged between the conical piston and the right cylinder cover; the left end of the hollow piston rod coaxially penetrates through the conical piston, the right end of the hollow piston rod is provided with a sealing cantilever, and the sealing cantilever is provided with an air inlet; the T-shaped sleeve is sleeved on the hollow piston rod, and the left end of the T-shaped sleeve is fixedly connected with the right cylinder cover; sliding bearings I are arranged between the hollow piston rod and the right cylinder cover as well as between the hollow piston rod and the T-shaped sleeve, the right end of the hollow piston rod extends out of the T-shaped sleeve, the right end of the T-shaped sleeve is connected with an annular supporting disc, an inner diameter dial indicator is arranged between the annular supporting disc and a sealing cantilever of the hollow piston rod through an installing bracket, and an inner diameter dial indicator measuring head is connected with the sealing cantilever;
the measuring position regulating and controlling mechanism comprises a driving motor, a motor bracket, a gear, a rack, a sleeve, an annular supporting disc, a guide rod and a sliding bearing II; the driving motor is arranged on the end surface of the fixed platform, which is close to the movable platform, through a motor bracket; the gear is arranged on the output shaft of the driving motor; the sleeve is sleeved on the T-shaped sleeve through a sliding bearing II at two ends, and the rack is arranged on the sleeve and meshed with the gear; one end of the sleeve, which is far away from the fixed platform, is connected with the annular supporting disc through a third sliding bearing; two guide rods are uniformly distributed on the annular supporting disc along the circumferential direction; the guide rod slidably passes through the movable platform and the fixed platform;
the T-shaped sleeve of the self-adaptive measuring and displaying mechanism is sleeved in the sleeve of the measuring position regulating mechanism, the inner diameter dial indicator, the mounting bracket and the annular supporting disk extend out of the sleeve, and the parallel type positioning and clamping mechanism is sleeved on the sleeve of the measuring position regulating mechanism through a first through hole of the fixed platform and a second through hole of the movable platform;
the system controller is electrically connected with the driving motor and the air cylinder;
the left end of the hollow piston rod is coaxially and fixedly connected with the conical piston; a sliding sealing ring is arranged between the conical piston and the cylinder barrel;
the measuring method of the gas type inner diameter measuring tool for detecting the equal-diameter deep hole comprises the following steps:
1) Preparing before measurement, namely selecting a proper measuring head according to the inner diameter of a deep hole with the same diameter as the measured workpiece, and connecting the measuring head with a measuring head seat; providing pressure to a cavity at the left end of the conical piston through an air inlet at the right end of the hollow piston rod; the calibration work of the gas type inner diameter measuring tool for detecting the equal-diameter deep holes is completed by means of an inner diameter standard ring gauge and a pressure spring, a calibration value is recorded, and the zero position of the inner diameter dial indicator is adjusted;
2) During measurement, the system controller controls the parallel type positioning and clamping mechanism to realize automatic positioning and clamping between the gas type inner diameter measuring tool and the measured workpiece; under the support of the parallel type positioning and clamping mechanism, the system controller controls the measuring position regulating mechanism to drive the self-adaptive measuring and displaying mechanism to move to the to-be-measured position of the inner diameter of the equal-diameter deep hole of the measured workpiece, and the inner diameter measuring and displaying of the to-be-measured position of the equal-diameter deep hole of the measured workpiece is completed by the self-adaptive measuring and displaying mechanism, and the specific implementation steps are as follows:
a) The method comprises the steps that a fixed platform of a parallel type positioning and clamping mechanism is placed on the end face of a deep hole of a measured workpiece, three cylinders are started simultaneously, and the first connecting rods are driven to clamp the outer surface of the measured workpiece through a movable platform, radial sliding blocks and the second connecting rods, so that the positioning and clamping of the gas type inner diameter measuring tool and the measured workpiece are completed;
b) Under the support of the parallel type positioning and clamping mechanism, a driving motor is started, and the self-adaptive measuring and displaying mechanism is driven to operate to a position to be measured of the deep hole inner diameter of the workpiece to be measured through a gear, a rack, a sleeve, an annular supporting disc, a guide rod and a sliding bearing II;
c) Under the action of the gas pressure of the cavity at the left end of the conical piston and the elasticity of the pressure spring and the action force of the hole walls of the three measuring heads, the conical piston can slide left and right in the cylinder barrel correspondingly, and the axial displacement of the conical piston is the single-side radius variation of the hole diameter to be measured because the cone angle of the conical surface of the conical piston is 45 degrees, the axial displacement of the conical piston is reflected to an inner diameter dial indicator through a hollow piston rod, the numerical value is read, and the inner diameter size of the current position is calculated by combining the calibration value;
d) If the inner diameters of holes at different positions on the same section are required to be measured, only the right end of the T-shaped sleeve is required to be rotated, so that three measuring heads rotate in the current section under the constraint of the conical piston and the measuring head seat; if the inner diameters of deep holes on different sections need to be measured, a driving motor needs to be started, and the self-adaptive measuring and displaying mechanism is driven to run on the section to be measured through a gear, a rack and a sleeve.
2. The gas type inner diameter gauge for detecting a deep hole with equal diameter according to claim 1, wherein: the number of the air cylinders is 3.
3. The gas type inner diameter gauge for detecting a deep hole with equal diameter according to claim 1, wherein: the cone angle of the fixed platform cone-shaped positioning surface is designed according to the chamfer angle of the orifice of the tested workpiece.
4. The gas type inner diameter gauge for detecting a deep hole with equal diameter according to claim 1, wherein: one end of the measuring head seat, which is close to the conical piston, is provided with a rotatable cylindrical pin, and the cylindrical pin can slide along the conical piston chute; the measuring head is in threaded connection with the measuring head seat, and the adjustable distance between the measuring head and the measuring head seat is 1-3 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811214005.9A CN109282727B (en) | 2018-10-18 | 2018-10-18 | Gas type inner diameter measuring tool for detecting equal-diameter deep holes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811214005.9A CN109282727B (en) | 2018-10-18 | 2018-10-18 | Gas type inner diameter measuring tool for detecting equal-diameter deep holes |
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| CN109282727A CN109282727A (en) | 2019-01-29 |
| CN109282727B true CN109282727B (en) | 2023-08-29 |
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| CN109855557A (en) * | 2019-03-15 | 2019-06-07 | 浙江岩创科技有限公司 | A kind of device of measurement rock-boring deformation |
| CN113028946B (en) * | 2021-03-11 | 2022-07-01 | 国网新疆电力有限公司电力科学研究院 | Device and method for measuring inner diameter of cable protection pipe |
| CN113970285B (en) * | 2021-11-04 | 2024-04-05 | 上海机电工程研究所 | Device and method for measuring diameter of inner cavity of initiating explosive device ejection actuator cylinder |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4211014A (en) * | 1977-11-12 | 1980-07-08 | Hermann Koltgen | Devices for inspecting bores |
| JPH0269601A (en) * | 1988-09-05 | 1990-03-08 | Tokyo Seimitsu Co Ltd | Inside diameter measuring instrument |
| CN201115875Y (en) * | 2007-10-30 | 2008-09-17 | 国营红阳机械厂 | Large diameter fast positioning clamping chuck |
| JP2012013666A (en) * | 2010-08-04 | 2012-01-19 | Sansui Engineering Co Ltd | Hole diameter measuring device for borehole etc. having inside hole diameter larger than diameter of borehole opening |
| WO2012125300A1 (en) * | 2011-03-15 | 2012-09-20 | Siemens Energy, Inc. | Self centering bore measurement unit |
| CN203024695U (en) * | 2013-01-04 | 2013-06-26 | 广西工学院 | Measurement tool for measuring wall thickness of deep hole in long shaft part with flange plate |
| CN103182911A (en) * | 2013-03-27 | 2013-07-03 | 常熟理工学院 | Tire removing machine |
| CN103245273A (en) * | 2013-04-26 | 2013-08-14 | 天津立林螺杆机械有限公司 | Ultra-deep aperture measuring instrument |
| CN103759663A (en) * | 2014-01-28 | 2014-04-30 | 杭州浙大精益机电技术工程有限公司 | Device for online detecting geometrical quantity of ends of seamless steel tubes |
| CN203758488U (en) * | 2014-03-11 | 2014-08-06 | 昆明理工大学 | Long pipe inner diameter measuring device |
| CN105547106A (en) * | 2016-02-02 | 2016-05-04 | 南京信息职业技术学院 | Depth aperture internal diameter measurement device |
| CN206248006U (en) * | 2016-12-21 | 2017-06-13 | 西南石油大学 | Deep hole internal diameter measuring instrument |
| CN106907979A (en) * | 2017-03-31 | 2017-06-30 | 长春市美科汽车零部件有限公司 | taper hole diameter measuring tool |
| CN107345791A (en) * | 2017-09-08 | 2017-11-14 | 江苏利普机械有限公司 | A kind of more size servo detection devices of laser and its detecting system |
| CN207317764U (en) * | 2017-10-26 | 2018-05-04 | 绵阳恒弘机械制造有限责任公司 | A kind of new three-coordinates measuring machine |
| CN207317696U (en) * | 2017-11-10 | 2018-05-04 | 重庆水泵厂有限责任公司 | A kind of deep hole internal diameter measuring device |
| CN209416236U (en) * | 2018-10-18 | 2019-09-20 | 南京信息职业技术学院 | A kind of gas formula inner diameter gauge for the detection of equal diameter deep hole |
-
2018
- 2018-10-18 CN CN201811214005.9A patent/CN109282727B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4211014A (en) * | 1977-11-12 | 1980-07-08 | Hermann Koltgen | Devices for inspecting bores |
| JPH0269601A (en) * | 1988-09-05 | 1990-03-08 | Tokyo Seimitsu Co Ltd | Inside diameter measuring instrument |
| CN201115875Y (en) * | 2007-10-30 | 2008-09-17 | 国营红阳机械厂 | Large diameter fast positioning clamping chuck |
| JP2012013666A (en) * | 2010-08-04 | 2012-01-19 | Sansui Engineering Co Ltd | Hole diameter measuring device for borehole etc. having inside hole diameter larger than diameter of borehole opening |
| WO2012125300A1 (en) * | 2011-03-15 | 2012-09-20 | Siemens Energy, Inc. | Self centering bore measurement unit |
| CN203024695U (en) * | 2013-01-04 | 2013-06-26 | 广西工学院 | Measurement tool for measuring wall thickness of deep hole in long shaft part with flange plate |
| CN103182911A (en) * | 2013-03-27 | 2013-07-03 | 常熟理工学院 | Tire removing machine |
| CN103245273A (en) * | 2013-04-26 | 2013-08-14 | 天津立林螺杆机械有限公司 | Ultra-deep aperture measuring instrument |
| CN103759663A (en) * | 2014-01-28 | 2014-04-30 | 杭州浙大精益机电技术工程有限公司 | Device for online detecting geometrical quantity of ends of seamless steel tubes |
| CN203758488U (en) * | 2014-03-11 | 2014-08-06 | 昆明理工大学 | Long pipe inner diameter measuring device |
| CN105547106A (en) * | 2016-02-02 | 2016-05-04 | 南京信息职业技术学院 | Depth aperture internal diameter measurement device |
| CN206248006U (en) * | 2016-12-21 | 2017-06-13 | 西南石油大学 | Deep hole internal diameter measuring instrument |
| CN106907979A (en) * | 2017-03-31 | 2017-06-30 | 长春市美科汽车零部件有限公司 | taper hole diameter measuring tool |
| CN107345791A (en) * | 2017-09-08 | 2017-11-14 | 江苏利普机械有限公司 | A kind of more size servo detection devices of laser and its detecting system |
| CN207317764U (en) * | 2017-10-26 | 2018-05-04 | 绵阳恒弘机械制造有限责任公司 | A kind of new three-coordinates measuring machine |
| CN207317696U (en) * | 2017-11-10 | 2018-05-04 | 重庆水泵厂有限责任公司 | A kind of deep hole internal diameter measuring device |
| CN209416236U (en) * | 2018-10-18 | 2019-09-20 | 南京信息职业技术学院 | A kind of gas formula inner diameter gauge for the detection of equal diameter deep hole |
Non-Patent Citations (1)
| Title |
|---|
| 自定心内径测量装置设计;郭燕等;《工具技术》;第51卷(第3期);1-4 * |
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