CN111551095A - Portable device and method for detecting hole inner diameter value and part cylindricity - Google Patents
Portable device and method for detecting hole inner diameter value and part cylindricity Download PDFInfo
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- CN111551095A CN111551095A CN202010415170.1A CN202010415170A CN111551095A CN 111551095 A CN111551095 A CN 111551095A CN 202010415170 A CN202010415170 A CN 202010415170A CN 111551095 A CN111551095 A CN 111551095A
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- bracket
- measuring head
- cylindricity
- main body
- measuring heads
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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
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
- G01B5/201—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures for measuring roundness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a portable device for detecting the bore diameter value and the cylindricity of a part, which comprises a bracket, a sliding device and a measuring head A, wherein the bracket is provided with a dial indicator; the sliding device comprises a measuring head B arranged on the same side of the measuring head A. The detection of the inner diameter of the hole is realized by sliding in the hole and contacting with the wall of the hole; the cylindricity of the part is detected by sliding on the outer side of the part and contacting with the outer side surface of the part. The invention effectively realizes the detection of the bore diameter or the cylindricity of the part through the mutual matching of the A measuring head and the B measuring head; when the invention is used for detection, the detection position does not need to be continuously adjusted, so that the error of the adjustment position is avoided; the invention has simple structure and strong practicability.
Description
Technical Field
The invention relates to the technical field of aperture and cylindricity detection, in particular to a portable device and a method for detecting an aperture value and a part cylindricity.
Background
The traditional detection method for the large-diameter inner hole and the cylindricity is to manually and directly detect by using an inner micrometer, wherein an internal representation value of a micrometer on the inner micrometer is an inner diameter tolerance value of a detected part; when the precision requirement of the measured part is high, the measurement is difficult or the error is large by using a general measuring tool, the detection method has low efficiency, and the quality is difficult to ensure. The large-batch detection of the part is always difficult because workers are required to continuously adjust the detection position during detection.
The detection in the prior art has the following defects:
a. when the precision requirement of the measured part is high, the measurement is difficult or the error is large by using a general measuring tool, the detection method has low efficiency and the quality is difficult to ensure;
b. during detection, workers are required to continuously adjust the detection position.
Disclosure of Invention
The invention aims to provide a portable device and a method for detecting the inner diameter value of a hole and the cylindricity of a part, which can effectively detect the inner diameter of the hole and the cylindricity of the part and have high working efficiency; during detection, workers do not need to continuously adjust the detection position.
The invention is realized by the following technical scheme:
a portable device for detecting the hole inside diameter value and the part cylindricity comprises a bracket provided with a dial indicator, a sliding device sleeved outside the bracket and approaching or departing from a measuring head of the dial indicator, and an A measuring head arranged on one side of the bracket, which is far away from the dial indicator; the sliding device comprises a measuring head B arranged on the same side of the measuring head A.
Further, in order to better realize the invention, the bracket comprises a bracket main body and fixed blocks arranged on two sides of the bracket main body, wherein the fixed blocks comprise an A fixed block connected with the dial indicator and a B fixed block connected with the A measuring head.
Furthermore, in order to better realize the invention, the dial indicator comprises a dial plate, a sleeve connected with the dial plate and a test head arranged on one side of the sleeve far away from the dial plate; the axial line of the sleeve in the length direction is parallel to the axial line of the bracket main body in the length direction; the sleeve is connected with the A fixed block through a set screw.
Furthermore, in order to better realize the invention, the sliding device also comprises a sliding block which is sleeved on the outer side of the bracket main body and linearly reciprocates along the length direction of the bracket main body; the B measuring head is detachably arranged on the sliding block, and a lug is arranged on one side, away from the B measuring head, of the sliding block.
Further, in order to better implement the invention, the A fixed block is arranged between the sliding device and the B fixed block.
Furthermore, in order to better realize the invention, the measuring head A and the measuring head B have the same structure and comprise a connecting shaft connected with the fixed block or the sliding block B and a spherical measuring head arranged at one end of the connecting shaft; the connecting shaft is arranged in parallel with the bracket main body; the tops of the two spherical measuring heads are arranged in opposite directions or are arranged in a back-to-back manner.
Further, in order to better implement the present invention, the connecting line of the two connecting shafts and the bracket main body are parallel to each other.
A portable hole inner diameter value detection method is characterized in that: the method specifically comprises the following steps:
step S1: the tops of the two spherical measuring heads are arranged oppositely;
step S2: placing the bracket on the top surface of the part and enabling the two spherical measuring heads to be positioned in the hole to be measured;
step S3: adjusting the positions of the two spherical measuring heads to enable the two spherical measuring heads to be respectively contacted with the side wall of the hole; when the two spherical measuring heads are respectively contacted with the side wall of the hole, the reading of the dial indicator is recorded; then there are: measured bore diameter = theoretical value + indicator change.
A portable hole cylindricity detection method is characterized in that: the method specifically comprises the following steps:
step S1: arranging the tops of the two spherical measuring heads in opposite directions;
step S2: placing the bracket on the top surface of the part and enabling the part to be measured to be located between the two spherical measuring heads;
step S3: adjusting the positions of the two spherical measuring heads to enable the two spherical measuring heads to be respectively contacted with the side walls of the part; when the two spherical measuring heads are respectively contacted with the side wall of the hole, the reading of the dial indicator is recorded; then there are: cylindricity = theoretical value + indicator variation of the part under test.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) the invention effectively realizes the detection of the bore diameter or the cylindricity of the part through the mutual matching of the A measuring head and the B measuring head;
(2) when the invention is used for detection, the detection position does not need to be continuously adjusted, so that the error of the adjustment position is avoided;
(3) the invention has simple structure and strong practicability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic structural view of a stent according to the present invention;
FIG. 4 is a side view of the stent of the present invention;
FIG. 5 is a schematic view of the sliding device according to the present invention;
FIG. 6 is a side view of the slide of the present invention;
001, a bracket; 0011. a through hole; 002. a dial indicator; 003. a, fixing blocks; 004. a sliding device; 0041. a slider; 00411. a chute; 0042. a tab; 005. b, measuring a head; 006. and (A) measuring heads.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
Example 1:
the invention is realized by the following technical scheme, as shown in fig. 1-6, the portable device for detecting the bore diameter value and the cylindricity of the part comprises a bracket 001 provided with a dial indicator 002, a sliding device 004 sleeved outside the bracket 001 and close to or far away from a measuring head of the dial indicator 002, and an A measuring head 006 arranged on one side of the bracket 001 far away from the dial indicator 002; the sliding device 004 comprises a B measuring head 005 arranged on the same side of the A measuring head 006; the micrometer gauge head is connected with a sliding device 004.
It should be noted that, with the above improvement, when detecting the aperture of the inner hole, the tops of the a probe 006 and the B probe 005 are arranged opposite to each other; the bracket 001 is horizontally placed right above the inner hole, so that the A measuring head 006 and the B measuring head 005 are both in the inner hole, and the A measuring head 006 is in contact with the inner wall of the hole; then, the B gauge head 005 moves in the horizontal direction through the sliding device 004, and stops moving when contacting with the inner wall of the inner diameter, at this time, the gauge head of the dial gauge 002 is driven by the sliding device 004 to rotate the pointer of the driving dial by a certain value, so that the aperture = theoretical value + indicator variation of the measured inner hole is obtained, if the pointer rotates clockwise, the indicator variation is a positive value, and if the pointer rotates anticlockwise, the indicator variation is a negative value; when the measuring head is in a horizontal state, the variation of the pointer is 0.
When detecting the cylindricity of the part, the tops of the a measuring head 006 and the B measuring head 005 are arranged oppositely; then, the part to be detected is placed between the A measuring head 006 and the B measuring head 005, and in the whole detection process, the support 001 is positioned right above the part and is in a horizontal state; firstly, the a probe 006 is controlled to contact with the outer side surface of the part, and then the B probe 005 is also contacted with the outer side surface of the part through the sliding device 004; when the measuring head A006 and the measuring head B005 are both in contact with the outer side face of the part, the movement is stopped, at the moment, the measuring head of the dial gauge 002 is driven by the sliding device 004 to rotate the pointer of the driving dial by a certain numerical value, so that the aperture = the theoretical value + the indicator variation of the measured inner hole is obtained, if the pointer rotates clockwise, the indicator variation is a positive value, and if the pointer rotates anticlockwise, the indicator variation is a negative value; when the measuring head is in a horizontal state, the variation of the pointer is 0.
A portable hole inner diameter value detection method is characterized in that: the method specifically comprises the following steps:
step S1: the tops of the two spherical measuring heads are arranged oppositely;
step S2: placing the bracket 001 on the top surface of the part and enabling the two spherical measuring heads to be positioned in the hole to be measured;
step S3: adjusting the positions of the two spherical measuring heads to enable the two spherical measuring heads to be respectively contacted with the side wall of the hole; when the two spherical measuring heads are respectively contacted with the side wall of the hole, the reading of the dial indicator 002 is recorded; then there are: measured bore diameter = theoretical value + indicator change.
A portable hole cylindricity detection method is characterized in that: the method specifically comprises the following steps:
step S1: arranging the tops of the two spherical measuring heads in opposite directions;
step S2: placing the bracket 001 on the top surface of the part and positioning the part to be measured between two spherical measuring heads;
step S3: adjusting the positions of the two spherical measuring heads to enable the two spherical measuring heads to be respectively contacted with the side walls of the part; when the two spherical measuring heads are respectively contacted with the side wall of the hole, the reading of the dial indicator 002 is recorded; then there are: cylindricity = theoretical value + indicator variation of the part under test.
Example 2:
the present embodiment is further optimized on the basis of the above embodiments, as shown in fig. 1 and fig. 2, further, in order to better implement the present invention, the bracket 001 includes a bracket 001 main body and fixed blocks installed at two sides of the bracket 001 main body, where the fixed blocks include an a fixed block 003 connected to the dial indicator 002 and a B fixed block connected to the a measuring head 006.
Further, in order to better implement the present invention, the dial indicator 002 includes a dial plate, a sleeve connected to the dial plate, and a testing head installed on one side of the sleeve away from the dial plate; the axial line of the sleeve in the length direction is parallel to the axial line of the bracket 001 in the length direction; the sleeve is connected with the A fixed block 003 through a set screw.
It should be noted that, through the above improvement, be provided with through-hole 00110011 on the fixed block of a, the sleeve is installed in through-hole 00110011 and is realized the fixed of sleeve and support 001 through holding screw, and the long direction of through-hole 00110011 sets up along the long direction of support 001, and the test head passes the drill way and is connected with slider 004. Therefore, when the sliding device 004 is controlled to do linear motion along the length direction of the bracket 001, the measuring head drives the pointer of the dial indicator 002 to deflect.
The dial gauge 002 belongs to the prior art, and the invention mainly adopts a lever-type dial gauge 002; a length measuring instrument converts a general linear displacement linear motion into a rotary motion of a pointer through a lever, and then performs reading on a dial. In this regard, the internal structure thereof will not be described in detail.
Other parts of this embodiment are the same as those of the above embodiment, and thus are not described again.
Example 3:
the embodiment is further optimized on the basis of the above embodiment, as shown in fig. 1, and further, in order to better implement the present invention, the sliding device 004 further includes a sliding block 0041 which is sleeved outside the main body of the bracket 001 and linearly reciprocates along the length direction of the main body of the bracket 001; the B measuring head 005 is detachably mounted on the sliding block 0041, and one side, far away from the B measuring head 005, of the sliding block 0041 is provided with a lug plate 0042.
As shown in fig. 6, the slider 0041 is provided with a through groove 00411, and the bracket 001 body is mounted on the through groove 00411, so as to realize the sliding of the slider 0041 and the bracket 001 body.
The test head of the micrometer 002 is connected to the side of the tab 0042 close to the micrometer.
Further, in order to better implement the present invention, as shown in fig. 1, the a block 003 is located between the slide 004 and the B block.
Further, in order to better implement the present invention, the a measuring head 006 and the B measuring head 005 have the same structure, and include a connecting shaft connected to the B fixing block or the slider 0041, and a spherical measuring head mounted at one end of the connecting shaft; the connecting shaft is arranged in parallel with the main body of the bracket 001; the tops of the two spherical measuring heads are arranged in opposite directions or are arranged in a back-to-back manner.
Further, in order to better implement the present invention, a line connecting the two connecting shafts is parallel to the main body of the carrier 001.
Other parts of this embodiment are the same as those of the above embodiment, and thus are not described again.
Example 4:
the embodiment is a preferred embodiment of the present invention, and as shown in fig. 1 to 6, a portable device for detecting a hole inner diameter value and a part cylindricity includes a bracket 001 provided with a dial indicator 002, a sliding device 004 sleeved outside the bracket 001 and approaching or departing from a probe of the dial indicator 002, and an a probe 006 arranged on a side of the bracket 001 away from the dial indicator 002; the slide device 004 comprises a B measuring head 005 arranged on the same side of the a measuring head 006.
Further, in order to better implement the present invention, the bracket 001 includes a bracket 001 main body, and fixed blocks installed at two sides of the bracket 001 main body, where the fixed blocks include an a fixed block 003 connected to the dial indicator 002, and a B fixed block connected to the a measuring head 006.
Further, in order to better implement the present invention, the dial indicator 002 includes a dial plate, a sleeve connected to the dial plate, and a testing head installed on one side of the sleeve away from the dial plate; the axial line of the sleeve in the length direction is parallel to the axial line of the bracket 001 in the length direction; the sleeve is connected with the A fixed block 003 through a set screw.
Further, in order to better implement the present invention, the sliding device 004 further includes a sliding block 0041 which is sleeved outside the main body of the bracket 001 and linearly reciprocates along the length direction of the main body of the bracket 001; the B measuring head 005 is detachably mounted on the sliding block 0041, and one side, far away from the B measuring head 005, of the sliding block 0041 is provided with a lug plate 0042.
Further, in order to better implement the present invention, the a-block 003 is located between the sliding device 004 and the B-block.
Further, in order to better implement the present invention, the a measuring head 006 and the B measuring head 005 have the same structure, and include a connecting shaft connected to the B fixing block or the slider 0041, and a spherical measuring head mounted at one end of the connecting shaft; the connecting shaft is arranged in parallel with the main body of the bracket 001; the tops of the two spherical measuring heads are arranged in opposite directions or are arranged in a back-to-back manner.
Further, in order to better implement the present invention, a line connecting the two connecting shafts is parallel to the main body of the carrier 001.
Other parts of this embodiment are the same as those of the above embodiment, and thus are not described again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (9)
1. The utility model provides a portable downthehole footpath value, part cylindricity detection device which characterized in that: the measuring instrument comprises a bracket (001) provided with a dial indicator (002), a sliding device (004) which is sleeved outside the bracket (001) and is close to or far away from a measuring head of the dial indicator (002), and an A measuring head (006) arranged on one side of the bracket (001) far away from the dial indicator (002); the sliding device (004) comprises a measuring head B (005) arranged on the same side of the measuring head A (006).
2. The portable hole diameter value and part cylindricity detecting device according to claim 1, characterized in that: the support (001) comprises a support (001) main body and fixed blocks arranged on two sides of the support (001) main body, wherein each fixed block comprises an A fixed block (003) connected with a dial indicator (002) and a B fixed block connected with an A measuring head (006).
3. The portable hole diameter value and part cylindricity detecting device according to claim 2, characterized in that: the dial indicator (002) comprises a dial plate, a sleeve connected with the dial plate and a test head arranged on one side of the sleeve far away from the dial plate; the axial line of the sleeve in the length direction is parallel to the axial line of the bracket (001) main body in the length direction; the sleeve is connected with the A fixed block (003) through a set screw.
4. A portable aperture value, part cylindricity detecting device according to claim 3, characterized in that: the sliding device (004) also comprises a sliding block (0041) which is sleeved at the outer side of the main body of the bracket (001) and does linear reciprocating motion along the length direction of the main body of the bracket (001); b gauge head (005) demountable installation is on slider (0041) keep away from one side of B gauge head (005) and is provided with auricle (0042).
5. The portable hole diameter value and part cylindricity detecting device according to claim 4, characterized in that: the A fixed block (003) is positioned between the sliding device (004) and the B fixed block.
6. The portable hole diameter value and part cylindricity detecting device according to claim 5, characterized in that: the measuring head A (006) and the measuring head B (005) have the same structure and comprise a connecting shaft connected with the fixed block B or the sliding block B (0041) and a spherical measuring head arranged at one end of the connecting shaft; the connecting shaft is arranged in parallel with the main body of the bracket (001); the tops of the two spherical measuring heads are arranged in opposite directions or are arranged in a back-to-back manner.
7. The portable hole diameter value and part cylindricity detecting device according to claim 6, wherein: the connecting line of the two connecting shafts is parallel to the main body of the bracket (001).
8. The portable pore size value detection method according to any one of claims 1 to 7, wherein: the method specifically comprises the following steps:
step S1: the tops of the two spherical measuring heads are arranged oppositely;
step S2: placing a bracket (001) on the top surface of the part and enabling two spherical measuring heads to be positioned in the hole to be measured;
step S3: adjusting the positions of the two spherical measuring heads to enable the two spherical measuring heads to be respectively contacted with the side wall of the hole; when the two spherical measuring heads are respectively contacted with the side wall of the hole, the reading of a dial indicator (002) is recorded; then there are: measured bore diameter = theoretical value + indicator change.
9. A portable hole cylindricity detecting method according to any one of claims 1-7, characterized in that: the method specifically comprises the following steps:
step S1: arranging the tops of the two spherical measuring heads in opposite directions;
step S2: placing a bracket (001) on the top surface of the part and enabling the part to be measured to be located between two spherical measuring heads;
step S3: adjusting the positions of the two spherical measuring heads to enable the two spherical measuring heads to be respectively contacted with the side walls of the part; when the two spherical measuring heads are respectively contacted with the side wall of the hole, the reading of a dial indicator (002) is recorded; then there are: cylindricity = theoretical value + indicator variation of the part under test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010415170.1A CN111551095A (en) | 2020-05-15 | 2020-05-15 | Portable device and method for detecting hole inner diameter value and part cylindricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010415170.1A CN111551095A (en) | 2020-05-15 | 2020-05-15 | Portable device and method for detecting hole inner diameter value and part cylindricity |
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| Publication Number | Publication Date |
|---|---|
| CN111551095A true CN111551095A (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010415170.1A Pending CN111551095A (en) | 2020-05-15 | 2020-05-15 | Portable device and method for detecting hole inner diameter value and part cylindricity |
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| CN (1) | CN111551095A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3863350A (en) * | 1972-09-15 | 1975-02-04 | Finike Italiana Marposs | Gauge provided with a rapid and automatic zero-setting device |
| CN101487683A (en) * | 2009-02-25 | 2009-07-22 | 安徽昊方机电股份有限公司 | Ultra-large diameter accurate detector |
| CN201378039Y (en) * | 2009-03-20 | 2010-01-06 | 宝山钢铁股份有限公司 | Oil casing collar measuring gauge |
| CN202361925U (en) * | 2011-11-26 | 2012-08-01 | 山东康达集团有限公司 | Measuring tool used for measuring seal groove diameters of components |
| CN202928479U (en) * | 2012-10-22 | 2013-05-08 | 北京金风科创风电设备有限公司 | Dimension measuring device |
| CN104075642A (en) * | 2014-06-30 | 2014-10-01 | 成都飞机工业（集团）有限责任公司 | Detecting device for detecting diameters of cylinders and inner diameters of round holes |
-
2020
- 2020-05-15 CN CN202010415170.1A patent/CN111551095A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3863350A (en) * | 1972-09-15 | 1975-02-04 | Finike Italiana Marposs | Gauge provided with a rapid and automatic zero-setting device |
| CN101487683A (en) * | 2009-02-25 | 2009-07-22 | 安徽昊方机电股份有限公司 | Ultra-large diameter accurate detector |
| CN201378039Y (en) * | 2009-03-20 | 2010-01-06 | 宝山钢铁股份有限公司 | Oil casing collar measuring gauge |
| CN202361925U (en) * | 2011-11-26 | 2012-08-01 | 山东康达集团有限公司 | Measuring tool used for measuring seal groove diameters of components |
| CN202928479U (en) * | 2012-10-22 | 2013-05-08 | 北京金风科创风电设备有限公司 | Dimension measuring device |
| CN104075642A (en) * | 2014-06-30 | 2014-10-01 | 成都飞机工业（集团）有限责任公司 | Detecting device for detecting diameters of cylinders and inner diameters of round holes |
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Application publication date: 20200818 |
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| RJ01 | Rejection of invention patent application after publication |