CN109282726B - Detection device for autonomously measuring inner diameter of deep hole - Google Patents
Detection device for autonomously measuring inner diameter of deep hole Download PDFInfo
- Publication number
- CN109282726B CN109282726B CN201811213792.5A CN201811213792A CN109282726B CN 109282726 B CN109282726 B CN 109282726B CN 201811213792 A CN201811213792 A CN 201811213792A CN 109282726 B CN109282726 B CN 109282726B
- Authority
- CN
- China
- Prior art keywords
- rod
- cover
- bearing
- supporting
- screw rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 6
- 239000011295 pitch Substances 0.000 description 5
- 238000009530 blood pressure measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
Abstract
The invention discloses a detection device for autonomously measuring the inner diameter of a deep hole, which comprises a traction supporting unit and a measurement unit, wherein the traction supporting unit and the measurement unit can be arranged in the deep hole of a measured workpiece, and the measurement unit is sleeved at the middle part of the traction supporting unit. When the inner diameter of the deep hole is measured, the traction supporting unit drives the measuring unit to move in the deep hole of the measured workpiece, and the measuring unit finishes the inner diameter measurement of the position to be measured of the deep hole of the measured workpiece. The invention has compact structure, reasonable load distribution and strong adaptability, and can remarkably improve the accuracy and efficiency of measuring the inner diameter of the deep hole.
Description
Technical Field
The invention discloses an inner diameter detection device, in particular relates to an autonomous measurement deep hole inner diameter detection device, and belongs to the technical field of deep hole detection tools.
Background
With the increasing requirements of products such as modern airplanes, ships, large-scale precise instruments and the like on the detection precision and efficiency of deep holes or ultra-deep holes of large-scale and ultra-large-scale parts, the automatic detection technical device based on autonomous walking receives high importance. However, how to ensure reliable running of the autonomous travelling mechanism on the inner surface of the hole wall and to fully improve the measurement precision of the detection device is an important technical problem that must be solved in developing a novel autonomous measurement deep hole detection device.
Disclosure of Invention
The invention aims to solve the technical problems that the existing deep hole automatic measuring tool in the background technology has insufficient positioning reliability, low measuring precision of a measuring head and the like.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a detection device independently measures deep hole internal diameter, includes traction support unit and the measuring unit that can place in the deep hole of measured work piece, measuring unit suit in traction support unit middle part.
The traction supporting unit comprises a driving motor I, a screw rod, a traction mechanism and a supporting mechanism; an output shaft of the driving motor is connected with a power input end of the screw rod; one end of the screw rod, which is connected with an output shaft of the driving motor, is sleeved with the traction mechanism, and the other end is sleeved with the supporting mechanism.
The traction mechanism and the supporting mechanism comprise a supporting cover, a supporting cylinder, a translation bracket, a fixed rod, a swinging rod, a translation rod and a driving rod; the outer circle of the supporting cover is uniformly provided with three fixed rods along the circumferential direction; one end of the central hole of the supporting cylinder is fixedly connected with the supporting cover, the other end of the central hole is connected with the screw rod through a first bearing, and three guide grooves which are uniformly distributed are also formed in the axial direction at one end of the supporting cylinder, which is close to the first bearing; the translation bracket is arranged in the guide groove and connected with the screw rod through a thread pair, the fixed rod is connected with one end of the upper swing rod and one end of the lower swing rod through a rotating pair respectively, the other end of one end of the upper swing rod and the other end of the lower swing rod are connected with the translation rod through rotating pairs, and the upper swing rod and the lower swing rod are mutually parallel; one end of the driving rod is connected with the middle part of the lower swing rod through a revolute pair, and the other end of the driving rod is connected with the translation bracket.
The measuring unit comprises a shell cylinder, a cylinder cover I, a cylinder cover II, a combined conical sliding block, a measuring head seat, a ball head measuring rod and a displacement detection sensor; the two ends of the shell cylinder are connected with a cylinder cover I and a cylinder cover II, and a combined conical sliding block is arranged in the central hole of the shell cylinder; the cylinder cover I and the cylinder cover II are respectively connected with the middle part of the screw rod through a bearing IV; the bearing IV is externally connected with a bearing end cover IV, and the bearing end covers IV at the two ends are respectively pressed on the end surfaces of the cylinder cover I and the cylinder cover II; the combined conical sliding block comprises an axial conical sliding block and a radial conical sliding block, the radial conical sliding block can slide relatively along a first radial sliding groove of the axial conical sliding block, and a second sealing cover is covered on a center hole of the small end of the radial conical sliding block; a group of trisection sliding grooves II are formed in the circumferential direction of the radial frustum sliding block along the direction of a bus, and one sliding groove II and the radial sliding groove I are positioned on the same longitudinal section; the second chute is internally connected with the measuring head seat through a rotary pin; the measuring head seat penetrates through the trisection radial through hole in the middle of the shell barrel, and the tail end of the measuring head seat is connected with the ball head measuring rod through threads; the two sides of the second sealing cover are respectively provided with a first pressure spring and a second pressure spring; the other end of the pressure spring is pressed on the inner side end surface of the cylinder cover; the other end of the second pressure spring passes through the central hole of the combined conical sliding block and is pressed on the inner side end surface of the translation end cover; the translation end cover is arranged in a trisection radial chute which is circumferentially distributed at the right end of the shell barrel, and the outer side of the translation end cover is connected with the adjusting nut in a direction; the adjusting nut is connected with the outer circle of the shell cylinder through threads; the inner side of the cylinder cover II is provided with a displacement detection sensor and a driving motor II; the measuring head of the displacement detection sensor is always in contact with the end face of the large end of the axial frustum sliding block; the output shaft of the second driving motor can rotate to pass through the second cylinder cover and be connected with the first driving gear; the driving gear is meshed with the driven gear sleeved on the screw rod.
The traction mechanism also comprises a combined driving wheel, a first bearing end cover and a second bearing which are connected with the tail end of the translation rod; the combined driving wheel comprises a first supporting frame, a driving wheel fixed on the first supporting frame and a driving motor sleeved on the driving wheel, and a first pressure spring and a first pressure sensor for fine adjustment of radial positions are further arranged between the combined driving wheel and the translation rod; the second bearing is arranged at one end of the screw rod close to the first driving motor; the bearing end cover is pressed on the supporting cover and the two end surfaces of the bearing at the same time.
The supporting mechanism also comprises a combined follower wheel, a second bearing end cover and a third bearing which are connected with the tail end of the translation rod; the combined traveling wheel comprises a second support frame and a traveling wheel on the second support frame; a second pressure spring and a second pressure sensor for fine adjustment of the radial position are also arranged between the combined follower wheel and the translation rod; the bearing III is arranged at one end of the screw rod far away from the driving motor I; and the bearing end cover III is pressed on the three end surfaces of the support cover and the bearing at the same time.
The first compression spring and the second compression spring which are subjected to radial position fine adjustment have the same characteristic parameters, and the elastic force generated by the first compression spring is smaller than that generated by the second compression spring.
The translation bracket of the traction mechanism and the screw rod are provided with a first nut, the outer circle of the first nut is fixedly connected with the translation bracket, and the first nut is connected with the screw rod through a thread pair; the translation bracket of the supporting mechanism and the screw rod are provided with a second nut, the outer circle of the second nut is fixedly connected with the translation bracket, and the second nut is connected with the screw rod through a thread pair; the screw pitch of the first nut is the same as that of the second nut, and the screw threads are opposite in rotation direction; the screw rod and the first nut are connected with the second nut, and the two ends of the screw rod and the second nut are provided with threads with the same screw pitch and opposite screw directions.
The beneficial effects of the invention are as follows:
1. the invention adopts a driving motor to carry the screw rod with two sections of opposite rotation directions and identical screw pitches, and simultaneously realizes the supporting adjustment of the traction mechanism and the measuring supporting mechanism, thereby simplifying the structure and reducing the number of the driving motors.
2. The invention adopts the combined conical sliding block, thereby not only realizing the conversion of radial displacement into axial displacement, facilitating the measurement, but also realizing the automatic centering operation of the measuring module and effectively improving the measuring precision of the inner diameter.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the traction support unit of the present invention;
FIG. 3 is a cross-sectional view of the traction support unit of the present invention;
FIG. 4 is a schematic diagram of a measuring unit according to the present invention;
FIG. 5 is a schematic view of an axial frustum slider structure of the present invention;
FIG. 6 is a schematic view of a radial frustum slider of the present invention;
fig. 7 is a schematic view of a mobile bracket according to the present invention.
Detailed Description
In order to make the contents of the present invention more comprehensible, the following description is further made with reference to fig. 1 to 7.
As shown in fig. 1, a detection device for autonomously measuring the inner diameter of a deep hole comprises a traction supporting unit 1 capable of being placed in the deep hole of a workpiece to be measured and a measuring unit 2 sleeved in the middle of the traction supporting unit 1.
As shown in fig. 2, 3 and 7, the traction support unit 1 includes a driving motor one 101, a screw 102, a traction mechanism and a support mechanism; an output shaft of the first driving motor 101 is connected with a power input end of the screw rod 102; one end of the screw rod 102, which is connected with an output shaft of the driving motor, is sleeved with a traction mechanism, and the other end of the screw rod is sleeved with a supporting mechanism; the traction mechanism and the supporting mechanism comprise a supporting cover 103, a supporting cylinder 104, a translation bracket 105, a fixed rod 106, an upper swing rod 107, a lower swing rod 126, a translation rod 109 and a driving rod 108; three fixed rods 106 are uniformly distributed on the outer circle of the supporting cover 103 along the circumferential direction; one end of the central hole of the supporting cylinder 104 is fixedly connected with the supporting cover 103, the other end of the supporting cylinder is connected with the screw rod 102 through a first bearing 124, and three uniformly distributed guide grooves 104-1 are also formed in the axial direction at one end of the supporting cylinder 104, which is close to the first bearing 124; the translation bracket 105 is arranged in the guide groove 104-1, is connected with the screw rod 102 through a screw pair, the fixed rod 106 is respectively connected with one end of the upper swing rod 107 and one end of the lower swing rod 126 through a rotating pair, the other ends of the upper swing rod 107 and the lower swing rod 126 are connected with the translation rod 109 through rotating pairs, and the upper swing rod 107 and the lower swing rod 126 are mutually parallel; one end of the driving rod 108 is connected with the middle part of the lower swing rod 126 by a revolute pair, and the other end is connected with the translation bracket 105.
The traction mechanism further comprises a combined driving wheel 120, a first bearing end cover 122 and a second bearing 123 which are connected with the tail end of the translation rod 109; the combined driving wheel comprises a first supporting frame, a driving wheel fixed on the first supporting frame and a second driving motor sleeved on the driving wheel, and a third pressure spring and a first pressure sensor for fine adjustment of radial positions are further arranged between the combined driving wheel and the translation rod 109; the second bearing 123 is arranged at one end of the screw rod 102 close to the first driving motor 101; bearing end cap one 122 is pressed against both end faces of support cap 103 and bearing two 123.
The supporting mechanism also comprises a combined follower wheel 121, a second bearing end cover 125 and a third bearing 127 which are connected with the tail end of the translation rod 109; the combined traveling wheel comprises a second support frame and a traveling wheel on the second support frame; a pressure spring IV and a pressure sensor II with fine adjustment of radial positions are further arranged between the combined follower wheel and the translation rod 109; the third bearing 127 is arranged at one end of the screw rod 102 far away from the first driving motor 101; bearing cap three 127 presses against both the support cap 103 and the bearing three 127 end face.
The third compression spring and the fourth compression spring with the fine adjustment of the radial positions have the same characteristic parameters.
The translation bracket 105 of the traction mechanism is provided with a first nut with an outer circle fixedly connected with the translation bracket 105 and the first nut is connected with the screw rod 102 by a thread pair.
Similarly, the translational bracket 105 of the supporting mechanism and the screw rod 102 are provided with a second nut, the outer circle of the second nut is fixedly connected with the translational bracket 105, and the second nut is connected with the screw rod 102 through a thread pair.
The screw pitch of the first nut is the same as that of the second nut, and the screw threads are opposite in rotation direction; the screw rod 102 and the first nut are connected with the second nut, and the two ends of the screw rod are provided with threads with the same pitch and opposite rotation directions.
As shown in fig. 4, the measuring unit 2 includes a casing 201, a first cover 202, a second cover 203, a combined conical slider, a probe holder 207, a ball probe 208, and a displacement detection sensor 213; the shell cylinder is sleeved on the screw rod, and a combined conical slide block is sleeved on the screw rod in the shell cylinder 201; the two ends of the shell cylinder are connected with a cylinder cover I202 and a cylinder cover II 203, and the cylinder cover I202 and the cylinder cover II 203 are respectively connected with the screw rod 102 through a bearing IV 211; the bearing IV is externally connected with a bearing end cover IV 215, and the bearing end covers IV 215 at the two ends are respectively pressed on the end surfaces of the cylinder cover I202 and the cylinder cover II 203;
as shown in fig. 5 and 6, the combined conical slide block comprises an axial conical slide block 216 and a radial conical slide block 217, the radial conical slide block 217 can slide relatively along a radial chute of the axial conical slide block 216, and a second sealing cover 218 is covered on a center hole at the small end of the radial conical slide block 217; a group of trisection sliding grooves II are formed in the circumferential direction of the radial frustum sliding block 217 along the direction of a bus, wherein one sliding groove II and the radial sliding groove I are positioned on the same longitudinal section; the second chute is connected with the measuring head seat 207 through a rotating pin; the measuring head seat 207 passes through a trisection radial through hole in the middle of the shell barrel 201, and the tail end of the measuring head seat 207 is connected with the ball measuring rod 208 through threads; two sides of the second sealing cover 218 are respectively provided with a first compression spring 214 and a second compression spring 215; the other end of the first compression spring 214 is pressed on the inner side end surface of the first cylinder cover 202; the other end of the second compression spring 215 passes through a central hole of the combined conical slide block and is pressed on the inner side end surface of the translation end cover 209, and the elastic force generated by the first compression spring 214 is smaller than that generated by the second compression spring 215; the translation end cover 209 is arranged in trisection radial sliding grooves distributed along the circumferential direction at the right end of the shell barrel 201, and the outer side of the translation end cover 209 is connected with the adjusting nut 210; the adjusting nut 210 is connected with the outer circle of the shell 201 through threads; the inner side of the cylinder cover II 203 is provided with a displacement detection sensor 213 and a driving motor II 206; the measuring head of the displacement detection sensor is always in contact with the end face of the large end of the axial frustum sliding block 216; an output shaft of the second driving motor 206 can rotate to pass through the second cylinder cover 203 and be connected with the first driving gear 205; the driving gear 205 is meshed with the driven gear 204 sleeved on the screw 102.
The working process of the detection device for autonomously measuring the inner diameter of the deep hole is as follows:
1) Before measurement, firstly, determining a proper ball measuring rod 208 according to the size of the deep hole inner diameter of a measured workpiece, and connecting the ball measuring rod with a measuring head seat 207; the elastic force of the first compression spring 214 and the second compression spring 215 is regulated and controlled by adjusting the position of the adjusting nut 210 by means of the corresponding standard ring gauge with the inner diameter, the calibration work of the measuring unit is completed, and the calibration value, namely the measured value L of the displacement detection sensor 213 is recorded 0 。
2) During measurement, the traction supporting unit 1 drives the measuring unit 2 to move in the measured deep hole, the measuring unit 2 finishes the inner diameter measurement of the position to be measured of the measured deep hole, and the specific implementation steps are as follows:
a) The automatic measuring deep hole inner diameter detection device is placed in a measured deep hole, a first driving motor 101 is started, a traction mechanism and a supporting mechanism are driven by a screw rod 102, and a measuring unit 2 is adjusted to a corresponding detection position;
b) Starting a second driving motor 101 on the three combined driving wheels to drive an automatic deep hole inner diameter measuring device to move in the deep hole of the measured workpiece; when the pressure measurement value of the first pressure sensor on the combined driving wheel or the second pressure sensor on the combined following wheel reaches a maximum set value, starting the first driving motor 101, and enabling the combined driving wheel and the combined following wheel to move inwards along the aperture direction through the traction mechanism and the supporting mechanism; when the pressure measurement value of the first pressure sensor on the combined driving wheel or the second pressure sensor on the combined following wheel reaches a minimum set value, starting the first driving motor 101, and enabling the combined driving wheel and the combined following wheel to move outwards along the aperture direction through the traction mechanism and the supporting mechanism; when the pressure measurement value of the first pressure sensor on the combined driving wheel or the second pressure sensor on the combined traveling wheel is positioned between the maximum set value and the minimum set value, the radial positions of the combined driving wheel and the combined traveling wheel are adjusted by utilizing the third pressure spring and the fourth pressure spring which are used for fine adjustment of the radial positions of the combined driving wheel and the combined traveling wheel; finally, the combined driving wheel and the combined follower wheel are always pressed on the inner wall of the deep hole;
c) When the measuring unit 2 moves along with the traction supporting unit 1 in the deep hole, the geometric centroid positions of the three ball head measuring rods 208 are automatically adjusted by the radial frustum sliding blocks 217 according to the aperture change of the measured position, so that instantaneous centering operation is realized; simultaneously, under the action of the force of the inner walls of the self-holes, the three ball measuring rods 208 drive the axial frustum sliding blocks 216 to axially slide, and the corresponding measured values L of the displacement detection sensors 213 are recorded and combined with the L 0 And calculating the instantaneous measurement value of the inner diameter of the deep hole.
d) If the inner diameters of holes at different positions on the same cross section are required to be measured, only the driving motor II 206 is required to be started, and the driving gear I205 and the driven gear 204 drive the measuring unit 2 to rotate around the screw 102, so that the three ball measuring rods 208 are rotated to corresponding measuring positions.
The above is only a preferred embodiment of the detection device for autonomously measuring the inner diameter of a deep hole according to the present invention, but the scope of the present invention is not limited to this example.
Claims (2)
1. The utility model provides an independently measure detection device of deep hole internal diameter, includes pulls supporting element and measuring element, measuring element suit in pulling supporting element middle part, its characterized in that:
the traction supporting unit comprises a driving motor I, a screw rod, a traction mechanism and a supporting mechanism; an output shaft of the first driving motor is connected with a power input end of the screw rod, one end of the screw rod connected with the output shaft of the first driving motor is also sleeved with a traction mechanism, and the other end of the screw rod is sleeved with a supporting mechanism;
the traction mechanism and the supporting mechanism comprise a supporting cover, a supporting cylinder, a translation bracket, a fixed rod, an upper swing rod, a lower swing rod, a translation rod and a driving rod; the outer circle of the supporting cover is uniformly provided with three fixed rods along the circumferential direction; one end of the supporting cylinder is coaxially and fixedly connected with the supporting cover, the other end of the supporting cylinder is sleeved on the screw rod through a first bearing, and three guide grooves which are uniformly distributed are also formed in the axial direction at one end, close to the first bearing, of the supporting cylinder; the translation bracket is arranged in the guide groove and connected with the screw rod through a thread pair, the fixed rod is connected with one end of the upper swing rod and one end of the lower swing rod through a revolute pair respectively, the other ends of the upper swing rod and the lower swing rod are connected with the translation rod through revolute pairs, and the upper swing rod and the lower swing rod are parallel and equal in length; one end of the driving rod is connected with the middle part of the lower swing rod through a revolute pair, and the other end of the driving rod is connected with the translation bracket through a revolute pair;
the measuring unit comprises a shell cylinder, a cylinder cover I, a cylinder cover II, a combined conical sliding block, a measuring head seat, a ball head measuring rod and a displacement detection sensor; the two ends of the shell cylinder are connected with a cylinder cover I and a cylinder cover II, and a combined conical sliding block is arranged in the central hole of the shell cylinder; the cylinder cover I and the cylinder cover II are respectively connected with the middle part of the screw rod through a bearing IV; the bearing IV is externally connected with a bearing end cover IV, and the bearing end covers IV at the two ends are respectively pressed on the end surfaces of the cylinder cover I and the cylinder cover II; the combined conical sliding block comprises an axial conical sliding block and a radial conical sliding block, the radial conical sliding block can slide relatively along a radial sliding groove I of the axial conical sliding block, and a second sealing cover is covered on a central hole at the small end of the radial conical sliding block; a group of trisection sliding grooves II are formed in the circumferential direction of the radial frustum sliding block along the direction of a bus, and one sliding groove II and the radial sliding groove I are positioned on the same longitudinal section; the second chute is internally connected with the measuring head seat through a rotary pin; the measuring head seat penetrates through a trisection radial through hole in the middle of the shell barrel, and the tail end of the measuring head seat is connected with the ball head measuring rod through threads; the two sides of the second sealing cover are respectively provided with a first pressure spring and a second pressure spring; the other end of the pressure spring is pressed on the inner side end surface of the cylinder cover; the other end of the second compression spring passes through the central hole of the combined conical sliding block and is pressed on the inner side end surface of the translation end cover, and the elastic force generated by the first compression spring is smaller than that generated by the second compression spring; the translation end cover is arranged in a trisection radial chute which is circumferentially distributed at the right end of the shell barrel, and the outer side of the translation end cover is connected with the adjusting nut; the adjusting nut is connected with the outer circle of the shell cylinder through threads; the inner side of the cylinder cover II is provided with a displacement detection sensor and a driving motor II; the measuring head of the displacement detection sensor is always in contact with the end face of the large end of the axial frustum sliding block; the output shaft of the second driving motor can rotate to pass through the second cylinder cover and be connected with the first driving gear; the first driving gear is meshed with a driven gear sleeved on the screw rod;
the traction mechanism also comprises a combined driving wheel, a first bearing end cover and a second bearing which are connected with the tail end of the translation rod; the combined driving wheel comprises a first supporting frame, a driving wheel fixed on the first supporting frame and a driving motor sleeved on the driving wheel, and a pressure spring III and a pressure sensor I with fine adjustment of radial positions are further arranged between the combined driving wheel and the translation rod; the second bearing is arranged at one end of the screw rod close to the first driving motor; the first bearing end cover is pressed on the supporting cover and the two end surfaces of the bearing at the same time;
the translation bracket of the traction mechanism and the screw rod are provided with a first nut, the outer circle of the first nut is fixedly connected with the translation bracket, and the first nut is connected with the screw rod through a thread pair; the translation bracket of the supporting mechanism and the screw rod are provided with a second nut, the outer circle of the second nut is fixedly connected with the translation bracket, and the second nut is connected with the screw rod through a thread pair; the screw pitch of the first nut is the same as that of the second nut, and the screw threads are opposite in rotation direction; the screw rod and the first nut are connected with the second nut, and the two ends of the screw rod and the second nut are provided with threads with the same screw pitch and opposite screw directions.
2. The autonomous measurement deep hole inner diameter detection device according to claim 1, wherein: the supporting mechanism also comprises a combined follower wheel, a second bearing end cover and a third bearing which are connected with the tail end of the translation rod; the combined traveling wheel comprises a second support frame and a traveling wheel on the second support frame; a compression spring IV and a pressure sensor II with fine adjustment of radial positions are further arranged between the combined follower wheel and the translation rod; the bearing III is arranged at one end of the screw rod far away from the driving motor I; the bearing end cover III is pressed on the support cover and the bearing three end surfaces simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213792.5A CN109282726B (en) | 2018-10-18 | 2018-10-18 | Detection device for autonomously measuring inner diameter of deep hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213792.5A CN109282726B (en) | 2018-10-18 | 2018-10-18 | Detection device for autonomously measuring inner diameter of deep hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109282726A CN109282726A (en) | 2019-01-29 |
| CN109282726B true CN109282726B (en) | 2024-04-16 |
Family
ID=65176623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811213792.5A Active CN109282726B (en) | 2018-10-18 | 2018-10-18 | Detection device for autonomously measuring inner diameter of deep hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109282726B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111829468B (en) * | 2020-07-14 | 2021-05-28 | 大连理工大学 | Multi-cone-section deep hole measuring device and using method thereof |
| CN114413827B (en) * | 2022-03-03 | 2023-11-10 | 西安航空学院 | Long tube inner wall roughness measuring device and measuring method thereof |
| CN115388837A (en) * | 2022-08-16 | 2022-11-25 | 西北核技术研究所 | Deep hole morphology measuring device for different apertures |
| CN115157008A (en) * | 2022-09-02 | 2022-10-11 | 江苏宏达数控科技股份有限公司 | Hole depth detector for numerical control machine tool |
| CN115420174A (en) * | 2022-11-03 | 2022-12-02 | 山东乐普矿用设备股份有限公司 | Intelligent measuring device for inner diameter of hydraulic cylinder of heading machine |
| CN115585725B (en) * | 2022-12-12 | 2023-03-03 | 华兴智慧(北京)科技有限公司 | Aperture detection device that metal insert used |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2734556A1 (en) * | 1977-07-30 | 1979-02-08 | Denzer | Distance measuring equipment for sewer survey cameras - has microswitch operated by notches in hauling cable sheathing to check length of cable run |
| JP2005256532A (en) * | 2004-03-15 | 2005-09-22 | Tsuneo Yamauchi | Hole size variation measuring device |
| JP2010256076A (en) * | 2009-04-22 | 2010-11-11 | Toshiba Corp | Apparatus of measuring inner diameter of deep hole part for large structure |
| WO2012072010A1 (en) * | 2010-11-29 | 2012-06-07 | 合肥市百胜科技发展股份有限公司 | Outlet guide fitting for diameter measuring instrument |
| CN103443581A (en) * | 2011-03-15 | 2013-12-11 | 西门子能量股份有限公司 | Self centering bore measurement unit |
| CN203615897U (en) * | 2013-09-23 | 2014-05-28 | 北京石油化工学院 | Pipeline internal diameter measure apparatus based on displacement sensor |
| CN104089561A (en) * | 2014-07-30 | 2014-10-08 | 中国计量科学研究院 | Deep hole inner diameter measuring system |
| CN203981133U (en) * | 2014-07-24 | 2014-12-03 | 中北大学 | A kind of single laser list PSD storage type Deep Hole Straightness Test Device |
| CN106066165A (en) * | 2016-07-25 | 2016-11-02 | 南京信息职业技术学院 | Self-centering inside diameter measurement machine people |
| KR20170023611A (en) * | 2015-08-24 | 2017-03-06 | (주)대륙전설 | Endoscope type pipe inner diameter and titing measurement system having multi-stage rack gear |
| CN106949856A (en) * | 2017-06-01 | 2017-07-14 | 南京信息职业技术学院 | A kind of deep hole linear degree robot measurement based on PSD |
| CN208983992U (en) * | 2018-10-18 | 2019-06-14 | 南京信息职业技术学院 | A kind of detection device of autonomous measurement deep hole internal diameter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3855951B2 (en) * | 2002-05-17 | 2006-12-13 | Ｊｆｅエンジニアリング株式会社 | Pipeline shape measuring apparatus and method |
-
2018
- 2018-10-18 CN CN201811213792.5A patent/CN109282726B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2734556A1 (en) * | 1977-07-30 | 1979-02-08 | Denzer | Distance measuring equipment for sewer survey cameras - has microswitch operated by notches in hauling cable sheathing to check length of cable run |
| JP2005256532A (en) * | 2004-03-15 | 2005-09-22 | Tsuneo Yamauchi | Hole size variation measuring device |
| JP2010256076A (en) * | 2009-04-22 | 2010-11-11 | Toshiba Corp | Apparatus of measuring inner diameter of deep hole part for large structure |
| WO2012072010A1 (en) * | 2010-11-29 | 2012-06-07 | 合肥市百胜科技发展股份有限公司 | Outlet guide fitting for diameter measuring instrument |
| CN103443581A (en) * | 2011-03-15 | 2013-12-11 | 西门子能量股份有限公司 | Self centering bore measurement unit |
| CN203615897U (en) * | 2013-09-23 | 2014-05-28 | 北京石油化工学院 | Pipeline internal diameter measure apparatus based on displacement sensor |
| CN203981133U (en) * | 2014-07-24 | 2014-12-03 | 中北大学 | A kind of single laser list PSD storage type Deep Hole Straightness Test Device |
| CN104089561A (en) * | 2014-07-30 | 2014-10-08 | 中国计量科学研究院 | Deep hole inner diameter measuring system |
| KR20170023611A (en) * | 2015-08-24 | 2017-03-06 | (주)대륙전설 | Endoscope type pipe inner diameter and titing measurement system having multi-stage rack gear |
| CN106066165A (en) * | 2016-07-25 | 2016-11-02 | 南京信息职业技术学院 | Self-centering inside diameter measurement machine people |
| CN106949856A (en) * | 2017-06-01 | 2017-07-14 | 南京信息职业技术学院 | A kind of deep hole linear degree robot measurement based on PSD |
| CN208983992U (en) * | 2018-10-18 | 2019-06-14 | 南京信息职业技术学院 | A kind of detection device of autonomous measurement deep hole internal diameter |
Non-Patent Citations (1)
| Title |
|---|
| 自定心深孔参数测量装置及测量方法;郭燕等;《工具技术》;第51卷(第5期);第127-129页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109282726A (en) | 2019-01-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109282726B (en) | Detection device for autonomously measuring inner diameter of deep hole | |
| CN206192654U (en) | Planet ball screw pair 's two -way change loading device | |
| CN204269365U (en) | A kind of pretension adjustable rolling ball screw pair moment of friction dynamic measurement device | |
| CN102095541B (en) | Experiment table for studying friction mechanism of precision ball screw pair | |
| CN108827627B (en) | Gear meshing force detection device | |
| CN103934723A (en) | Controllable adjusting and measuring device of ball screw pretightening force and pretensioning amount | |
| CN110095217B (en) | Device and method for measuring friction torque of rolling bearing | |
| CN102735387B (en) | Static torque precise testing device and torque testing method using same | |
| CN106441882B (en) | The two-way load-variable device and loading method of planetary roller screw pair | |
| CN109556778A (en) | A kind of ball screw assembly, pretightning force on-line monitoring method based on electric current | |
| CN203572643U (en) | Electromechanical servo mechanism rigidity testing device | |
| CN103353392B (en) | A kind of Automated condtrol torsional bending testing machine | |
| CN208983992U (en) | A kind of detection device of autonomous measurement deep hole internal diameter | |
| CN113551608A (en) | Profile measuring device and method for multi-cone-section deep-hole part | |
| CN201885839U (en) | Precise ball-screw pair friction mechanism research experiment table | |
| CN203464923U (en) | Device for automatically detecting precision of size of bearing | |
| CN203100657U (en) | Detection device for depth dimensions of nut closing-up grooves | |
| CN103900439A (en) | Device for detecting radial runout of tip of main shaft of tailstock of lathe and axial endplay of main shaft | |
| CN103884257A (en) | Plane spiral self-centering micrometer device | |
| CN116604379A (en) | Mechanical gripper device and clamping force control method thereof | |
| CN103737172A (en) | Dynamic detection mechanism for feed pressure | |
| CN207147681U (en) | A kind of one-way clutch torque automatic detection device | |
| CN205915149U (en) | Vice outer raceway grinder of ball | |
| CN210037209U (en) | Radial loading device for vibration measurement of thin-wall bearing | |
| CN214502335U (en) | Bevel gear shaft gear taper detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |