CN107607012B - Plug gauge special for large diameter - Google Patents
Plug gauge special for large diameter Download PDFInfo
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- CN107607012B CN107607012B CN201710957439.7A CN201710957439A CN107607012B CN 107607012 B CN107607012 B CN 107607012B CN 201710957439 A CN201710957439 A CN 201710957439A CN 107607012 B CN107607012 B CN 107607012B
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- dial indicator
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- 238000009434 installation Methods 0.000 claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 abstract description 12
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a large-diameter special plug gauge which comprises a plug gauge body which is arched and provided with a bottom bayonet, a handle arranged at the upper part of the plug gauge body, and a dial indicator vertically penetrating through the plug gauge body, wherein the plug gauge body is provided with a bottom bayonet; an elastic measuring arm is arranged in a bayonet at the bottom of the plug gauge body, a vertical through hole for installing a dial indicator is formed in the plug gauge body, an installation boss communicated with the vertical through hole is arranged at the top of the vertical through hole, the upper part of the dial indicator is fixedly connected with the installation boss through a connecting cylinder, and an elastic adjusting component for adjusting the installation height of the dial indicator is arranged in the installation boss; the measuring needle at the bottom of the dial indicator sequentially passes through the installation boss and the vertical through hole to extend downwards and vertically penetrate into a measuring hole arranged on the elastic measuring arm, and the measuring hole separates the elastic measuring arm into a first elastic measuring arm and a second elastic measuring arm. The invention has simple structure and convenient operation, reduces the measurement error of manual operation and improves the working efficiency.
Description
Technical Field
The invention relates to a plug gauge measuring device, in particular to a large-diameter special plug gauge.
Background
In the machining process, the aperture of many large-diameter parts is measured on line, and the aperture is measured by using measuring tools such as an inner diameter gauge, various plug gauges and the like. In mass production, the inside micrometer is limited by the structure, so that blind holes with short depth cannot be detected, and the detection efficiency is low. The limit plug gauge is adopted to judge whether the test result is qualified or not, the test result cannot be digitized, the accuracy of measurement is affected, the test result is easy to wear, and the test result is scrapped once worn.
Disclosure of Invention
The invention aims to solve the defects of the background technology and provide the large-diameter special plug gauge with high measurement accuracy and high measurement efficiency.
In order to achieve the purpose, the large-diameter special plug gauge comprises a plug gauge body which is arched and provided with a bottom bayonet, a handle arranged at the upper part of the plug gauge body, and a dial indicator vertically penetrating through the plug gauge body;
the plug gauge is characterized in that an elastic measuring arm is arranged in a bayonet at the bottom of the plug gauge body, an elastic adjusting assembly used for adjusting the installation height of the elastic measuring arm is sleeved on the upper portion of a measuring needle of the dial indicator, the bottom of the measuring needle of the dial indicator vertically penetrates through a measuring hole in the elastic measuring arm in a downward extending mode, and side walls on two sides of the length direction of the plug gauge body are arc-shaped surfaces.
Further, a vertical through hole for installing a dial indicator is formed in the plug gauge body, an installation boss communicated with the vertical through hole is arranged at the top of the vertical through hole, and the upper part of the dial indicator is fixedly connected with the installation boss through a connecting barrel; the measuring needle at the bottom of the dial indicator sequentially passes through the mounting boss and the vertical through hole to extend downwards and vertically penetrate into the measuring hole arranged on the elastic measuring arm.
Further, the measurement aperture separates the elastic measurement arm into a first elastic measurement arm and a second elastic measurement arm; a first measuring head is arranged between the bottom of one side of the plug gauge body and the bottom of the first elastic measuring arm, a second measuring head is arranged between the bottom of the other side of the plug gauge body and the bottom of the second elastic measuring arm, and the arrangement direction of the first measuring head and the second measuring head is perpendicular to the axial direction of the dial indicator measuring needle; and an elastic adjusting screw which is perpendicular to the axial direction of the dial indicator probe is arranged on the side wall of one side of the second measuring head of the plug gauge body.
Further, the inside of installation boss is provided with the ladder inner chamber that is used for installing elastic adjustment subassembly, elastic adjustment subassembly includes from last to down overlaps adjusting nut, measuring needle spring and the thrust collar of establishing in proper order on the percentage table measuring needle, the top and the bottom face butt of adjusting nut of measuring needle spring, the bottom and the top face butt of thrust collar of measuring needle spring, the bottom face of thrust collar laminates with the ladder face of ladder inner chamber mutually.
Further, the upper outer wall of the connecting cylinder is fixedly connected with the dial indicator through a nut, and the lower inner wall of the connecting cylinder is connected with the outer wall of the installation boss through threads.
Further, a lateral mounting hole for mounting an elastic adjusting screw is formed in the side wall of one side, provided with the second measuring head, of the plug gauge body, the elastic adjusting screw is composed of a pressure spring and a screw, one end of the pressure spring is abutted to the lateral inner wall of the lateral mounting hole, and the other end of the pressure spring is abutted to the screw.
Further, the plug gauge further comprises a first auxiliary positioning mechanism and a second auxiliary positioning mechanism which are arranged at two sides of the plug gauge body in the length direction; the first auxiliary positioning mechanism is located right above the first measuring head, and the second auxiliary positioning mechanism is located right above the second measuring head.
Further, the first auxiliary positioning mechanism comprises a pressure head and a first screw rod, one end of the pressure head is fixedly connected with the upper part of one side of the plug gauge body, which is provided with the first measuring head, through a screw, and the other end of the first screw rod is connected with the first screw rod through a nut.
Further, the second auxiliary positioning mechanism comprises a pressing rod which is vertically arranged in the length direction of the plug gauge body and second screw rods which are arranged on two sides of the length direction of the pressing rod, the middle of the pressing rod is fixedly connected with the upper part of one side of the plug gauge body, which is provided with the second measuring head, through screws, and two ends of the pressing rod are respectively connected with the second screw rods through nuts.
Still further, the handle passes through screw and the upper portion fixed connection of plug gauge body.
Still further, the dial indicator is located on a side of the handle adjacent to the first elastic measuring arm, and the length of the first elastic measuring arm is smaller than the length of the second elastic measuring arm.
Compared with the prior art, the invention has the following advantages:
The bayonet of the plug gauge body is internally provided with the first elastic measuring arm and the second elastic measuring arm, when measuring heads on two sides of the measuring body are compressed, force is transmitted to the first elastic measuring arm and the second elastic measuring arm to be extruded, and the compressed horizontal displacement of the first measuring head and the second measuring head passes through an angle 1 on a needle point of a measuring needle of a dial indicator: 1 is converted into a displacement in the vertical direction, and the number of the displacement is displayed by a scale. The invention has simple structure, convenient operation and strong practicability, reduces the measurement error of manual operation, improves the working efficiency, and is particularly suitable for measuring parts such as discs, boxes, shells and the like which have small aperture tolerance and are produced in large quantities.
Drawings
FIG. 1 is a schematic diagram of a large diameter special plug gauge;
FIG. 2 is a schematic view of the plug gauge body of FIG. 1 along the direction K;
FIG. 3 is a schematic top view of the plug gauge body of FIG. 1;
In the figure: 1-plug gauge body, 1.1-bayonet, 1.2-elasticity measuring arm, 1.21-first elasticity measuring arm, 1.22-second elasticity measuring arm, 1.3-vertical through hole, 1.4-installation boss, 1.41-ladder inner chamber, 1.5-measuring hole, 1.6-transverse installation hole, 2-handle, 3-dial gauge, 4-connecting barrel, 5-elasticity adjusting component, 5.1-adjusting nut, 5.2-needle spring, 5.3-thrust ring, 6.1-first gauge head, 6.2-second gauge head, 7-elasticity adjusting screw, 7.1-pressure spring, 7.2-screw, 8.1-first auxiliary positioning mechanism, 8.11-pressure head, 8.12-first screw, 8.2-second auxiliary positioning mechanism, 8.21-pressure lever, 8.22-second screw.
Detailed Description
The invention will now be described in further detail with reference to the drawings and to specific examples.
The special plug gauge with the large diameter comprises a plug gauge body 1 which is arched and provided with a bottom bayonet 1.1, a handle 2 arranged on the upper portion of the plug gauge body 1, and a dial indicator 3 vertically penetrating through the plug gauge body 1, wherein the handle 2 is fixedly connected with the upper portion of the plug gauge body 1 through a screw. The plug gauge body 1 is processed by adopting alloy structural steel materials, and the surface of the outer circle part needs nitriding treatment so as to meet the national requirements on the plug gauge. Elastic measuring arms 1.2 are arranged in bayonets 1.1 at the bottom of the plug gauge body 1, vertical through holes 1.3 for installing a dial indicator 3 are formed in the plug gauge body 1, installation bosses 1.4 communicated with the vertical through holes 1.3 are formed in the tops of the vertical through holes 1.3, the upper portion of the dial indicator 3 is fixedly connected with the installation bosses 1.4 through a connecting barrel 4, the outer wall of the upper portion of the connecting barrel 4 is fixedly connected with the dial indicator 3 through nuts, and the inner wall of the lower portion of the connecting barrel 4 is connected with the outer wall of the installation boss 1.4 through threads.
The measuring needle at the bottom of the dial indicator 3 sequentially passes through the mounting boss 1.4 and the vertical through hole 1.3 to extend downwards and vertically to penetrate into the measuring hole 1.5 arranged on the elastic measuring arm 1.2, the measuring hole 1.5 divides the elastic measuring arm 1.2 into a first elastic measuring arm 1.21 and a second elastic measuring arm 1.22, the dial indicator 3 is positioned on one side of the handle 2, which is close to the first elastic measuring arm 1.21, and the length of the first elastic measuring arm 1.21 is smaller than that of the second elastic measuring arm 1.22. A first measuring head 6.1 is arranged between the bottom of one side of the plug gauge body 1 and the bottom of the first elastic measuring arm 1.21, a second measuring head 6.2 is arranged between the bottom of the other side of the plug gauge body 1 and the bottom of the second elastic measuring arm 1.22, and the arrangement direction of the first measuring head 6.1 and the second measuring head 6.2 is vertical to the axial direction of the measuring needle of the dial indicator 3; the first measuring head 6.1 and the second measuring head 6.2 are spherical alloy measuring heads. The first measuring head 6.1 and the second measuring head 6.2 are spherical alloy measuring heads and adopt two modes: and (5) fixing by double screws, and fixing by screws and nuts. The double screw rod is mainly used for shallow blind holes (Kong Changxiao to 5 mm), and the measuring head is a full alloy optical rod which needs to be bonded and fixed. The set screw mainly plays roles of positioning and controlling the protruding amount of the measuring head and hard ejection of the measuring head when the measuring head needs to be polished and replaced. The screw and nut fixing mode is mainly used for installing, adjusting and fastening the threaded alloy measuring head.
The two side walls of the length direction of the plug gauge body 1 are arc-shaped surfaces, and an elastic adjusting screw 7 which is perpendicular to the axial direction of the dial indicator 3 measuring needle is arranged on the side wall of one side of the second measuring head 6.2. The lateral wall of one side of the second measuring head 6.2 of the plug gauge body 1 is provided with a transverse mounting hole 1.6 for mounting an elastic adjusting screw 7, the elastic adjusting screw 7 consists of a pressure spring 7.1 and a screw 7.2, one end of the pressure spring 7.1 is abutted with the transverse inner wall of the transverse mounting hole 1.6, and the other end of the pressure spring 7.1 is abutted with the screw 7.2.
The installation boss 1.4 is internally provided with an elastic adjusting component 5 for adjusting the installation height of the dial indicator 3, the inside of the installation boss 1.4 is provided with a ladder inner cavity 1.41 for installing the elastic adjusting component 5, the elastic adjusting component 5 comprises an adjusting nut 5.1, a needle spring 5.2 and a thrust ring 5.3 which are sequentially sleeved on a needle of the dial indicator 3 from top to bottom, the top of the needle spring 5.2 is abutted with the bottom end surface of the adjusting nut 5.1, the bottom of the needle spring 5.2 is abutted with the top end surface of the thrust ring 5.3, and the bottom end surface of the thrust ring 5.3 is abutted with the ladder surface of the ladder inner cavity 1.41.
The plug gauge further comprises a first auxiliary positioning mechanism 8.1 and a second auxiliary positioning mechanism 8.2 which are arranged on two sides of the plug gauge body 1 in the length direction; the first auxiliary positioning mechanism 8.1 is located directly above the first measuring head 6.1, and the second auxiliary positioning mechanism 8.2 is located directly above the second measuring head 6.2. The first auxiliary positioning mechanism 8.1 comprises a pressure head 8.11 and a first screw rod 8.12, one end of the pressure head 8.11 is fixedly connected with the upper part of one side of the plug gauge body 1, provided with the first measuring head 6.1, through a screw, and the other end of the first screw rod 8.12 is connected with the first screw rod 8.12 through a nut. The second auxiliary positioning mechanism 8.2 comprises a pressing rod 8.21 which is vertically arranged in the length direction of the plug gauge body 1, and second screw rods 8.22 which are arranged on two sides of the pressing rod 8.21 in the length direction, wherein the middle part of the pressing rod 8.21 is fixedly connected with the upper part of one side of the plug gauge body 1, on which the second measuring head 6.2 is arranged, through screws, and two ends of the pressing rod 8.21 are respectively connected with the second screw rods 8.22 through nuts. The first auxiliary positioning mechanism and the second auxiliary positioning mechanism are mainly positioned by the end face of the orifice, and the specific structure can be designed according to actual conditions. For the measurement of the through hole, the auxiliary positioning mechanism can effectively reduce the measurement error. The auxiliary positioning mechanism is only a selecting mechanism, and the blind holes for positioning the bottom end surfaces of the available holes can be installed without being needed.
The application method of the invention comprises the following steps: first, the first measuring head 6.1 and the second measuring head 6.2 are respectively arranged on the left side and the right side of the plug gauge body 1 to ensure that the outer wall of the plug gauge body 1 slightly protrudes and the protruding quantity is basically consistent, and then the plug gauge body is fastened and loose-proof through a measuring head jackscrew. Then, the position of the thrust ring 5.3 is adjusted when the dial indicator 3 is installed, the situation that the measuring needle of the plug gauge body 1 is stuck and fixed (can be in interference fit) after the upper and lower movement space is reserved is guaranteed, the measuring needle is inserted into the elastic measuring arm, the measuring needle spring 5.2 and the adjusting nut 5.1 are installed in sequence, the force measurement is adjusted to meet national standards, and then the handle 2 is fixed through the connecting barrel 4 and is connected to the plug gauge body 1 through bolts or screws. Finally, an elastic adjusting screw 7 is installed, and the protruding point of the adjusting screw 7.2 is larger than the measured hole diameter. When in use, the dial indicator 3 is firstly installed and preloaded for a certain amount of travel. When the plug gauge body 1 is inserted into the measured hole, the arc surfaces on two sides of the plug gauge body 1 form an automatic centering mechanism, so that the accuracy of the measuring position is ensured. After measuring the gauge head of body both sides is extruded, transmit first elasticity measuring arm and second elasticity measuring arm with the power and extrude, the horizontal displacement volume that compresses first gauge head and second gauge head is through angle 1 on the needle point of the measuring needle of percentage table: 1 is converted into a displacement in the vertical direction, and the number of the displacement is displayed by a scale. The plug gauge bottom end face, the first auxiliary positioning mechanism 8.1 and the second auxiliary positioning mechanism 8.2 are utilized for axial positioning, so that the error of a measuring system can be effectively reduced.
While the invention has been described with respect to specific embodiments thereof, it should be noted that any changes and substitutions that would be apparent to those skilled in the art are within the scope of the invention as disclosed herein are intended to be encompassed by the present invention.
Claims (7)
1. A special plug gauge of major diameter, its characterized in that: comprises a plug gauge body (1) which is arched and provided with a bottom bayonet (1.1), a handle (2) arranged at the upper part of the plug gauge body (1), and a dial indicator (3) vertically penetrating through the plug gauge body (1);
an elastic measuring arm (1.2) is arranged in a bottom bayonet (1.1) of the plug gauge body (1), and the elastic measuring arm (1.2) is divided into a first elastic measuring arm (1.21) and a second elastic measuring arm (1.22) by a measuring hole (1.5); an elastic adjusting component (5) for adjusting the installation height of the dial indicator is sleeved on the upper part of the measuring pin of the dial indicator (3), the bottom of the measuring pin of the dial indicator (3) vertically penetrates through the plug gauge body (1) to extend downwards and vertically penetrate into a measuring hole (1.5) formed in the elastic measuring arm (1.2), and side walls on two sides of the length direction of the plug gauge body (1) are arc-shaped surfaces; the plug gauge comprises a plug gauge body (1), wherein a vertical through hole (1.3) for installing a dial indicator (3) is formed in the plug gauge body (1), an installation boss (1.4) communicated with the vertical through hole is arranged at the top of the vertical through hole (1.3), and the upper part of the dial indicator (3) is fixedly connected with the installation boss (1.4) through a connecting cylinder (4); the measuring needle at the bottom of the dial indicator (3) sequentially passes through the mounting boss (1.4) and the vertical through hole (1.3) to extend downwards and vertically penetrate into the measuring hole (1.5) arranged on the elastic measuring arm (1.2);
A first measuring head (6.1) is arranged between the bottom of one side of the plug gauge body (1) and the bottom of the first elastic measuring arm (1.21), a second measuring head (6.2) is arranged between the bottom of the other side of the plug gauge body (1) and the bottom of the second elastic measuring arm (1.22), and the arrangement direction of the first measuring head (6.1) and the second measuring head (6.2) is perpendicular to the axial direction of the measuring needle of the dial indicator (3); an elastic adjusting screw (7) which is perpendicular to the axial direction of the measuring needle of the dial indicator (3) is arranged on the side wall of the plug gauge body (1) positioned at one side of the second measuring head (6.2);
A lateral mounting hole (1.6) for mounting an elastic adjusting screw (7) is formed in the side wall of one side, provided with the second measuring head (6.2), of the plug gauge body (1), the elastic adjusting screw (7) is composed of a pressure spring (7.1) and a screw (7.2), one end of the pressure spring (7.1) is abutted with the lateral inner wall of the lateral mounting hole (1.6), and the other end of the pressure spring (7.1) is abutted with the screw (7.2);
The large-diameter special plug gauge also comprises a first auxiliary positioning mechanism (8.1) and a second auxiliary positioning mechanism (8.2) which are arranged at two sides of the plug gauge body (1) in the length direction; the first auxiliary positioning mechanism (8.1) comprises a pressure head (8.11) and a first screw (8.12); the second auxiliary positioning mechanism (8.2) comprises a pressing rod (8.21) which is arranged perpendicular to the length direction of the plug gauge body (1), and second screws (8.22) which are arranged on two sides of the pressing rod (8.21) in the length direction;
When the plug gauge body (1) is inserted into a measured hole, arc surfaces at two sides of the plug gauge body (1) form an automatic centering mechanism, so that the accuracy of a measuring position is ensured; after the measuring heads on two sides of the plug gauge body are extruded, transmitting force to a first elastic measuring arm (1.21) and a second elastic measuring arm (1.22) to extrude, and enabling the compressed horizontal displacement of the first measuring head and the second measuring head to pass through an angle 1 on a needle point of a measuring needle of a dial indicator: 1 is converted into a displacement in the vertical direction, and the number of the displacement is displayed by a scale.
2. The large diameter special plug gauge of claim 1, wherein: the inside of installation boss (1.4) is provided with ladder inner chamber (1.41) that are used for installing elasticity adjusting part (5), elasticity adjusting part (5) are including from last to down overlap adjusting nut (5.1), needle spring (5.2) and thrust collar (5.3) of establishing in proper order on percentage table (3) measuring needle, the bottom face butt of adjusting nut (5.1) and the top of needle spring (5.2), the bottom of needle spring (5.2) and the top face butt of thrust collar (5.3), the bottom face of thrust collar (5.3) is laminated mutually with the ladder face of ladder inner chamber (1.41).
3. The large diameter special plug gauge of claim 2, wherein: the upper outer wall of the connecting cylinder (4) is fixedly connected with the dial indicator (3) through a nut, and the lower inner wall of the connecting cylinder (4) is connected with the outer wall of the installation boss (1.4) through threads.
4. A large diameter special plug gauge according to claim 3, wherein: the first auxiliary positioning mechanism (8.1) is located right above the first measuring head (6.1), and the second auxiliary positioning mechanism (8.2) is located right above the second measuring head (6.2).
5. The large diameter special plug gauge of claim 4, wherein: one end of the pressure head (8.11) is fixedly connected with the upper part of one side of the plug gauge body (1) provided with the first measuring head (6.1) through a screw, and the other end of the first screw (8.12) is connected with the first screw (8.12) through a nut.
6. The large diameter special plug gauge of claim 5, wherein: the middle part of the pressure lever (8.21) is fixedly connected with the upper part of one side of the plug gauge body (1) provided with the second measuring head (6.2) through a screw, and two ends of the pressure lever (8.21) are respectively connected with the second screw (8.22) through nuts.
7. The large diameter special plug gauge according to any one of claims 1 to 6, wherein: the dial indicator (3) is positioned on one side of the handle (2) close to the first elastic measuring arm (1.21), and the length of the first elastic measuring arm (1.21) is smaller than that of the second elastic measuring arm (1.22); the handle (2) is fixedly connected with the upper part of the plug gauge body (1) through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957439.7A CN107607012B (en) | 2017-10-16 | 2017-10-16 | Plug gauge special for large diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957439.7A CN107607012B (en) | 2017-10-16 | 2017-10-16 | Plug gauge special for large diameter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107607012A CN107607012A (en) | 2018-01-19 |
| CN107607012B true CN107607012B (en) | 2024-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710957439.7A Active CN107607012B (en) | 2017-10-16 | 2017-10-16 | Plug gauge special for large diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107607012B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254617B (en) * | 2020-10-28 | 2022-08-12 | 陕西法士特汽车传动集团有限责任公司 | Inner hole measuring gauge checking fixture |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3942207A1 (en) * | 1989-12-21 | 1991-06-27 | Hermann Koeltgen Diatest Feinm | Bore measurement appts. with sprung sensing pins - connecting U=shaped spring collar to measurement sensor preventing its displacement along bore axis |
| JP2008064576A (en) * | 2006-09-06 | 2008-03-21 | Mitsutoyo Corp | Inner diameter measuring device |
| CN101294790A (en) * | 2007-04-23 | 2008-10-29 | 严为民 | Floating type checking platform |
| CN101319864A (en) * | 2008-06-25 | 2008-12-10 | 无锡富瑞德精密机械有限公司 | Plug gauge head pore diameter measurement mechanism |
| CN102506653A (en) * | 2011-10-28 | 2012-06-20 | 无锡富瑞德精密机械有限公司 | Width measurement mechanism |
| CN104567606A (en) * | 2014-12-20 | 2015-04-29 | 重庆大江渝强塑料制品有限公司 | Lever type inside diameter detection device for workpiece |
| CN206321176U (en) * | 2016-12-14 | 2017-07-11 | 江门市力泰科技有限公司 | A kind of large aperture band table feeler gauge |
| CN207379384U (en) * | 2017-10-16 | 2018-05-18 | 东风汽车有限公司 | large diameter special plug gauge |
-
2017
- 2017-10-16 CN CN201710957439.7A patent/CN107607012B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3942207A1 (en) * | 1989-12-21 | 1991-06-27 | Hermann Koeltgen Diatest Feinm | Bore measurement appts. with sprung sensing pins - connecting U=shaped spring collar to measurement sensor preventing its displacement along bore axis |
| JP2008064576A (en) * | 2006-09-06 | 2008-03-21 | Mitsutoyo Corp | Inner diameter measuring device |
| CN101294790A (en) * | 2007-04-23 | 2008-10-29 | 严为民 | Floating type checking platform |
| CN101319864A (en) * | 2008-06-25 | 2008-12-10 | 无锡富瑞德精密机械有限公司 | Plug gauge head pore diameter measurement mechanism |
| CN102506653A (en) * | 2011-10-28 | 2012-06-20 | 无锡富瑞德精密机械有限公司 | Width measurement mechanism |
| CN104567606A (en) * | 2014-12-20 | 2015-04-29 | 重庆大江渝强塑料制品有限公司 | Lever type inside diameter detection device for workpiece |
| CN206321176U (en) * | 2016-12-14 | 2017-07-11 | 江门市力泰科技有限公司 | A kind of large aperture band table feeler gauge |
| CN207379384U (en) * | 2017-10-16 | 2018-05-18 | 东风汽车有限公司 | large diameter special plug gauge |
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| Publication number | Publication date |
|---|---|
| CN107607012A (en) | 2018-01-19 |
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Effective date of registration: 20211115 Address after: 442022 No. 20, Zhaojiagou community, TIYU Road, Zhangwan District, Shiyan City, Hubei Province Applicant after: DONGFENG EQUIPMENT MANUFACTURING Co.,Ltd. Applicant after: DONGFENG MOTER Co.,Ltd. Address before: 430056 No. 10, Dongfeng Avenue, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province Applicant before: DONGFENG MOTER Co.,Ltd. |
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