CN115479566A - Measuring device for measuring relative position of pipe connecting joint - Google Patents
Measuring device for measuring relative position of pipe connecting joint Download PDFInfo
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- CN115479566A CN115479566A CN202211243434.5A CN202211243434A CN115479566A CN 115479566 A CN115479566 A CN 115479566A CN 202211243434 A CN202211243434 A CN 202211243434A CN 115479566 A CN115479566 A CN 115479566A
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- measuring head
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- main body
- correcting block
- sensor
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 37
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 230000001915 proofreading effect Effects 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
- 238000012937 correction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/10—Manufacturing or assembling aircraft, e.g. jigs therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
-
- 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
- G01B21/02—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 length, width, or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
- G01B21/24—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes for testing alignment of axes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention provides a measuring device for measuring the relative position of a pipe connecting joint, belongs to the technical field of aviation product assembly detection, is a detecting device for confirming the relative position of an aviation product after assembly, and can be used for measuring the relative position of the joint after the connection of a hydraulic conduit. The invention is characterized in that a displacement sensor, a sensor working rod, a singlechip module and the like are arranged in a main machine body and used for data acquisition and conversion display, a measuring head main body in a right triangle shape is connected with the main machine body through a double-screw joint, the sensor working rod penetrates through the double-screw joint and is connected with a correcting block positioned at the lower end of the measuring head main body, and the gap of the pipe joint is calculated by utilizing a trigonometric function relationship through the upward movement distance of the correcting block and the included angle of the lower end of the measuring head main body. The invention has convenient operation and visual display, can be used in an area which is not open, improves the inspection efficiency and the operability, and improves the measurement accuracy and the reliability by using the sensor and the singlechip.
Description
Technical Field
The invention belongs to the technical field of aviation product assembly detection, relates to a measuring device for measuring the relative position of a connecting joint of a pipe, is a detecting device for confirming the relative position of an aviation product after assembly, and can be used for measuring the relative position of the joint after the connection of a hydraulic conduit.
Background
In the aircraft assembly process, because the operating space is not opened, the relative position of the hydraulic conduit connection rear joint is difficult to measure, the measurement is carried out only by the vernier caliper at the present stage, the operation difficulty is large, the accuracy of the measurement result is low, the repeated confirmation measurement causes low inspection efficiency, and the detection tool cannot meet the existing detection requirement.
Disclosure of Invention
In order to solve the problems, the invention provides a measuring device for measuring the relative position of a connecting joint of a pipe, which adopts a measuring head with a specific structure to meet the inspection requirement of a deflection gap, and adopts a sensor to acquire data, thereby effectively improving the accuracy and the inspection efficiency of a measuring result.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a measuring device for surveying buret attach fitting relative position, measuring device includes upper cover 1, host computer body 2, display 3, screws up screw 4, single chip module 5, the module of charging 6, power module 7, displacement sensor 8, spring 9, guide post 10, sensor work lever 11, two stud joint 12, measuring head main part 13, shift knob 14, record button 15, reset button 16, charge mouthful 17, behind the measuring head lid 18 and correction block 19.
The main machine body 2 is used as a main bearing structure of the measuring device, is used for bearing electronic components and is the most basic structure for realizing measurement, and the upper cover 1 is fixedly connected to the upper end of the main machine body 2 through a tightening screw 4; the display 3 is fixed on the outer wall of the main machine body 2 and used for displaying measured values and displaying real-time values and original recorded values.
The single chip microcomputer module 5, the charging module 6, the power supply module 7, the displacement sensor 8, the sensor working rod 11, the double-screw joint 12, the switch button 14, the recording button 15, the reset button 16 and the charging port 17 form a data acquisition structure of the measuring device; the singlechip module 5 is used for converting the displacement data of the displacement sensor 8 into gap data between pipe joints, reflecting the gap data to the display 3, fixing the gap data on the circuit board, and fixing the circuit board inside the main machine body 2 by using the tightening screw 4; the charging module 6 and the power module 7 jointly supply power to the singlechip module 5, the display 3 and the displacement sensor 8, the charging module 6 and the displacement sensor are fixed in the main body 2, the charging module 6 is charged through a charging port 17, and the charging port 17 is arranged on the side surface of the main body 2; the displacement sensor 8 is fixed at the lower end of the inner side of the main machine body 2 and is matched with the sensor working rod 11 for use, and when the displacement sensor 8 is used, displacement signals of the sensor working rod 11 are collected by the displacement sensor 8 and are transmitted to the single chip microcomputer module 5 for processing; the double-stud connector 12 is of a hollow columnar structure, the upper end of the double-stud connector is fixedly connected to the lower surface of the main machine body 2, the upper end of the sensor working rod 11 is matched with the displacement sensor 8, and the lower end of the sensor working rod penetrates through the lower surface of the main machine body 2 and the double-stud connector 12 in sequence; the switch button 14 is used for switching on and off the measuring device, the recording button 15 is used for recording data, the reset button 16 is used for resetting the data, and the three are fixed on the side surface of the main body 2.
The measuring head main body 13, the tightening screw 4, the measuring head rear cover 18, the correcting block 19, the spring 9 and the guide column 10 form a working structure of the measuring device; the measuring head main body 13 is a box body with a right triangle-shaped outer contour, the upper surface of a top horizontal plate of the measuring head main body is fixedly connected with the lower end of a double-stud joint 12, so that the main body 2 is connected with the measuring head main body 13 through the double-stud joint 12, the lower end of a sensor working rod 11 penetrates through the top horizontal plate of the measuring head main body 13 and then is fixedly connected with a correcting block 19, and a square hole is formed in the position, close to the lower position, of the inclined plane of the measuring head main body 13; the correcting block 19 is arranged in the measuring head main body 13, the upper end of one side of the correcting block is provided with a plate-shaped structure which is fixedly connected with the sensor working rod 11, so that the sensor working rod 11 can move up and down along with the correcting block 19, when the correcting block 19 is positioned at an initial position, the lower end face of the correcting block is flush with the lowest end of the measuring head main body 13, at the moment, the plate-shaped structure of the correcting block 19 is extended out of a square hole on the inclined surface of the measuring head main body 13, and along with the upward movement of the correcting block 19, the plate-shaped structure gradually enters the measuring head main body 13 until completely entering, so that the measurement is prevented from being influenced; the measuring head rear cover 18 is fixed on the vertical surface of the measuring head main body 13 through a tightening screw 4 and is used for limiting the position of the correction block 19, a strip-shaped groove is formed along the movement direction of the correction block 19, one side of the correction block 19 without a plate-shaped structure penetrates through the strip-shaped groove to extend out of the measuring head rear cover 18, and the lower end face of the correction block 19 can be attached to the plane of a pipe joint; guide post 10 be located 18 bar inslots of lid behind the measuring head, its upper end fixed connection is in 18 bar inslots of lid behind the measuring head upper end, its lower extreme runs through spring 9 and proofreading and correct 19 after-fixing at the inside lower extreme of measuring head main part 13, make proofreading and correct 19 can follow guide post 10 and upwards remove and compression spring 9, spring 9 kick-backs and makes proofreading and correct 19 reseing after finishing measuring.
Furthermore, the measuring range of the displacement sensor 8 is 10.0mm, and the resolution is 0.01mm.
The use method of the measuring device comprises the following steps:
step one, the switch button 14 is pressed to start the computer, and the reset button 16 is pressed to zero.
Step two: the measuring device is arranged above the pipe joint, the lower end of the measuring head body 13 is positioned above the joint seam of the pipe joint, the bottom surface of the correcting block 19 is attached to the upper surface of one pipe joint, the vertical surface of the measuring head body 13 is attached to the side wall of the pipe joint, the measuring device is pressed, the correcting block 19 is driven to compress the spring 9 along the guide column 10, the correcting block 19 drives the sensor working rod 11 to move upwards until the inclined surface of the measuring head body 13 is closely attached to the other pipe joint, and the limit position is reached.
Step three: and pressing a recording button 15 to complete one recording, wherein the measuring device has the measuring principle that the measuring device is pressed to the limit position, the upward movement distance of the correcting block 19 is h, and the pipe joint gap b can be calculated by the displacement h of the sensor by utilizing the trigonometric function relation b = h multiplied by tan theta, wherein theta is the included angle between the vertical surface and the inclined surface of the measuring head body 13.
Step four: the measuring device is picked up and the value on the display 3 is observed, and the observed value can be measured several times for increasing reliability and accuracy.
Step five: pressing the switch button 14 turns off the machine and puts the measuring device back into the storage box.
The invention has the beneficial effects that:
the invention provides a digital display gap measuring device for inspectors, which is convenient to operate and intuitive in display, can be used in an area which is not open, improves the inspection efficiency and operability, and improves the measurement accuracy and reliability due to the use of a sensor and a single chip microcomputer.
Drawings
Fig. 1 is a front view of a measuring device.
Fig. 2 is a left side view of the measuring device.
Fig. 3 is a rear view of the measuring device.
Fig. 4 is a schematic diagram of the measurement device.
In the figure: 1, covering the cover; 2, a main machine body; 3, a display; 4, screwing down the screw; 5, a singlechip module; 6, a charging module; 7, a power supply module; 8, a displacement sensor; 9, a spring; 10 a guide post; 11 a sensor lever; 12 double-stud joints; 13 a head body; 14 switch buttons; 15 a record button; 16 a reset button; 17 a charging port; 18 a rear cover of the measuring head; and 19 correcting the block.
Detailed Description
The present invention is further illustrated by the following specific examples.
Examples
The utility model provides a measuring device for surveying buret attach fitting relative position, measuring device includes upper cover 1, host computer body 2, display 3, screws up screw 4, single chip module 5, the module of charging 6, power module 7, displacement sensor 8, spring 9, guide post 10, sensor work lever 11, two stud joint 12, measuring head main part 13, shift knob 14, record button 15, reset button 16, charge mouthful 17, behind the measuring head lid 18 and correction block 19.
The main machine body 2 is used as a main bearing structure of the measuring device, is used for bearing electronic components and is the most basic structure for realizing measurement, and the upper cover 1 is fixedly connected to the upper end of the main machine body 2 through a tightening screw 4; the display 3 is fixed on the outer wall of the main body 2 and is used for displaying measured values, real-time values and original recorded values, as shown in fig. 1.
As shown in fig. 1 and fig. 2, the single chip microcomputer module 5, the charging module 6, the power module 7, the displacement sensor 8, the sensor working rod 11, the double-stud connector 12, the switch button 14, the recording button 15, the reset button 16 and the charging port 17 form a data acquisition structure of the measuring device; the singlechip module 5 is used for converting the displacement data of the displacement sensor 8 into gap data between pipe joints, reflecting the gap data to the display 3, fixing the gap data on the circuit board, and fixing the circuit board inside the main machine body 2 by screwing screws; the charging module 6 and the power module 7 jointly supply power to the singlechip module 5, the display 3 and the displacement sensor 8, the singlechip module and the display are fixed in the main body 2, the charging module 6 is charged through a charging port 17, and the charging port 17 is arranged on the side surface of the main body 2; the displacement sensor 8 is fixed at the lower end of the inner side of the main machine body 2 and is matched with the sensor working rod 11 for use, and when the displacement sensor 8 is used, displacement signals of the sensor working rod 11 are collected by the displacement sensor 8 and transmitted to the single chip microcomputer module 5 for processing; the double-stud connector 12 is of a hollow columnar structure, the upper end of the double-stud connector is fixedly connected to the lower surface of the main machine body 2, the upper end of the sensor working rod 11 is matched with the displacement sensor 8, and the lower end of the sensor working rod penetrates through the lower surface of the main machine body 2 and the double-stud connector 12 in sequence; the switch button 14 is used for switching on and off the measuring device, the recording button 15 is used for recording data, the reset button 16 is used for resetting the data, and the three are all fixed on the side face of the main body 2.
As shown in fig. 2 and 3, the measuring head body 13, the tightening screw 4, the measuring head rear cover 18, the correcting block 19, the spring 9 and the guide post 10 form the working structure of the measuring device; the measuring head main body 13 is a box body with a right triangle-shaped outer contour, the upper surface of a top horizontal plate of the measuring head main body is fixedly connected with the lower end of a double-stud joint 12, so that the main body 2 is connected with the measuring head main body 13 through the double-stud joint 12, the lower end of a sensor working rod 11 penetrates through the top horizontal plate of the main body 13 and then is fixedly connected with a correcting block 19, and a square hole is formed in the lower position of the inclined surface of the measuring head main body 13; the correcting block 19 is arranged in the measuring head main body 13, the upper end of one side of the correcting block is provided with a plate-shaped structure which is fixedly connected with the sensor working rod 11, so that the sensor working rod 11 can move up and down along with the correcting block 19, when the correcting block 19 is positioned at an initial position, the lower end face of the correcting block is flush with the lowest end of the measuring head main body 13, the plate-shaped structure of the correcting block 19 extends out of a square hole of the inclined surface of the measuring head main body 13, and along with the upward movement of the correcting block 19, the plate-shaped structure gradually enters the measuring head main body 13 until completely entering, so that the measurement is prevented from being influenced; the measuring head rear cover 18 is fixed on the vertical surface of the measuring head main body 13 through a tightening screw 4 and is used for limiting the position of the correcting block 19, a strip-shaped groove is formed along the moving direction of the correcting block 19, one end of the correcting block 19 penetrates through the strip-shaped groove to extend out of the measuring head rear cover 18, and the lower end face of the correcting block 19 can be attached to the plane of a pipe joint; guide post 10 be located 18 bar inslots of lid behind the measuring head, its upper end fixed connection is in 18 bar groove upper ends of lid behind the measuring head, its lower extreme runs through spring 9 and proofreading and correct 19 after-fixing at the inside lower extreme of measuring head main part 13, make proofreading and correct 19 can follow guide post 10 and up remove and compression spring 9, spring 9 kick-backs and makes proofreading and correct 19 reseing after finishing measuring.
The use method of the measuring device comprises the following steps:
step one, the switch button 14 is pressed to start the computer, and the reset button 16 is pressed to zero.
Step two: the measuring device is placed above the pipe joints, the lower end of the measuring head body 13 is positioned above the joint seam of the pipe joints, the bottom surface of the correcting block 19 is attached to the upper surface of one pipe joint, the vertical surface of the measuring head body 13 is attached to the side wall of the pipe joint, the measuring device is pressed, the correcting block 19 is driven to compress the spring 9 along the guide column 10, and the correcting block 19 drives the sensor operating rod 11 to move upwards until the inclined surface of the measuring head body 13 is tightly attached to the other pipe joint, namely, the limit position is reached, as shown in fig. 4.
Step three: the record button 15 is pressed to complete one record.
Step four: the measuring device is taken up, the pipe joint gap b =3.53mm is observed on the display 3, and the value can be known through multiple times of measurement and observation.
Step five: pressing the switch button 14 turns off the machine and puts the measuring device back into the storage box.
The above-mentioned embodiments only express the embodiments of the present invention, but not should be understood as the limitation of the scope of the invention patent, it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the concept of the present invention, and these all fall into the protection scope of the present invention.
Claims (4)
1. A measuring device for measuring the relative position of a pipe connecting joint is characterized by comprising an upper cover (1), a main machine body (2), a display (3), a single chip microcomputer module (5), a charging module (6), a power module (7), a displacement sensor (8), a spring (9), a guide column (10), a sensor working lever (11), a double-screw joint (12), a measuring head main body (13), a switch button (14), a recording button (15), a reset button (16), a charging port (17), a measuring head rear cover (18) and a correcting block (19);
the main machine body (2) is used as a main bearing structure of the measuring device and is used for bearing electronic components, and the upper cover (1) is fixedly connected to the upper end of the main machine body (2); the display (3) is fixed on the outer wall of the main machine body (2) and is used for displaying a measurement value;
the single chip microcomputer module (5), the charging module (6), the power supply module (7), the displacement sensor (8), the sensor working rod (11), the double-screw joint (12), the switch button (14), the recording button (15), the reset button (16) and the charging port (17) form a data acquisition structure; the singlechip module (5) is used for converting displacement data of the displacement sensor (8) into gap data between pipe joints, reflecting the gap data to the display (3) and fixing the gap data inside the main machine body (2); the charging module (6) and the power supply module (7) jointly supply power to the singlechip module (5), the display (3) and the displacement sensor (8), the charging module and the displacement sensor are fixed inside the main machine body (2), the charging module (6) is charged through a charging port (17), and the charging port (17) is arranged on the side face of the main machine body (2); the displacement sensor (8) is fixed at the lower end of the inner side of the main machine body (2) and is matched with the sensor working rod (11) for use, and when the displacement sensor is used, displacement signals of the sensor working rod (11) are collected by the displacement sensor (8) and transmitted to the single chip microcomputer module (5) for processing; the double-screw joint (12) is of a hollow columnar structure, the upper end of the double-screw joint is fixedly connected to the lower surface of the main machine body (2), the upper end of the sensor working rod (11) is matched with the displacement sensor (8), and the lower end of the sensor working rod penetrates through the lower surface of the main machine body (2) and the double-screw joint (12) in sequence; the switch button (14) is used for switching on and off the measuring device, the recording button (15) is used for recording data, the reset button (16) is used for resetting the data, and the switch button, the recording button and the reset button are all fixed on the side face of the main body (2);
the measuring head main body (13), the measuring head rear cover (18), the correcting block (19), the spring (9) and the guide column (10) form a working structure; the measuring head main body (13) is a box body with a right-angled triangle-shaped outer contour, the upper surface of a top horizontal plate of the measuring head main body is fixedly connected with the lower end of a double-screw joint (12), so that the main body (2) is connected with the measuring head main body (13) through the double-screw joint (12), the lower end of a sensor working rod (11) penetrates through the top horizontal plate of the measuring head main body (13) and then is fixedly connected with a correcting block (19), and a square hole is formed in the position, close to the lower position, of the inclined surface of the measuring head main body (13); the correcting block (19) is arranged in the measuring head main body (13), the upper end of one side of the correcting block is provided with a plate-shaped structure and is used for being fixedly connected with the sensor working rod (11), so that the sensor working rod (11) can move up and down along with the correcting block (19), when the correcting block (19) is positioned at an initial position, the lower end surface of the correcting block is flush with the lowest end of the measuring head main body (13), at the moment, the plate-shaped structure of the correcting block (19) is extended out from a square hole on the inclined surface of the measuring head main body (13), and along with the upward movement of the correcting block (19), the plate-shaped structure gradually enters the measuring head main body (13) until completely entering, so that the measurement is prevented from being influenced; the measuring head rear cover (18) is fixed on the vertical surface of the measuring head main body (13) and used for limiting the correcting block (19), a strip-shaped groove is formed along the movement direction of the correcting block (19), one side of the correcting block (19) without a plate-shaped structure penetrates through the strip-shaped groove and extends out of the measuring head rear cover (18), and the lower end face of the correcting block (19) can be attached to the plane of a pipe joint; guide post (10) be located behind the measuring head lid (18) bar inslot, its upper end fixed connection is in behind the measuring head lid (18) bar groove upper end, its lower extreme runs through spring (9) and proofreading block (19) after-fixing at the inside lower extreme of measuring head main part (13), make proofreading block (19) can follow guide post (10) rebound and compression spring (9), spring (9) kick-back makes proofreading block (19) reset after finishing measuring.
2. A measuring device for measuring relative positions of pipe joints according to claim 1, wherein the upper cover (1) is fixedly attached to the upper end of the main body (2) by tightening screws (4).
3. A measuring device for measuring the relative position of the pipe joints according to claim 1, characterized in that the rear cover (18) of the measuring head is fixed to the vertical surface of the measuring head body (13) by means of tightening screws (4).
4. A measuring device for measuring the relative position of a pipe connection joint according to claim 1, characterized in that the displacement sensor (8) has a span of 10.0mm and a resolution of 0.01mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211243434.5A CN115479566A (en) | 2022-10-12 | 2022-10-12 | Measuring device for measuring relative position of pipe connecting joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211243434.5A CN115479566A (en) | 2022-10-12 | 2022-10-12 | Measuring device for measuring relative position of pipe connecting joint |
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| Publication Number | Publication Date |
|---|---|
| CN115479566A true CN115479566A (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211243434.5A Pending CN115479566A (en) | 2022-10-12 | 2022-10-12 | Measuring device for measuring relative position of pipe connecting joint |
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| CN (1) | CN115479566A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03115803U (en) * | 1990-03-14 | 1991-12-02 | ||
| JPH0639656U (en) * | 1992-11-04 | 1994-05-27 | 株式会社エイクラ通信 | Rail clearance analysis device |
| JPH0674912U (en) * | 1992-11-04 | 1994-10-21 | 株式会社エイクラ通信 | Rail clearance measuring device |
| JP2003075268A (en) * | 2001-09-06 | 2003-03-12 | Central Japan Railway Co | Measuring instrument for temperature or joint gap of rail |
| CN210689503U (en) * | 2019-09-25 | 2020-06-05 | 天津捷力自动化设备有限公司 | Hydraulic measuring device for fixed grid spacing of grid displacement sensor |
| CN111238344A (en) * | 2020-03-10 | 2020-06-05 | 广东省特种设备检测研究院 | Measuring instrument and method for gap between escalator step and skirt panel |
| CN215338115U (en) * | 2020-12-28 | 2021-12-28 | 华晨宝马汽车有限公司 | Surface difference measuring tool and measuring device |
-
2022
- 2022-10-12 CN CN202211243434.5A patent/CN115479566A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03115803U (en) * | 1990-03-14 | 1991-12-02 | ||
| JPH0639656U (en) * | 1992-11-04 | 1994-05-27 | 株式会社エイクラ通信 | Rail clearance analysis device |
| JPH0674912U (en) * | 1992-11-04 | 1994-10-21 | 株式会社エイクラ通信 | Rail clearance measuring device |
| JP2003075268A (en) * | 2001-09-06 | 2003-03-12 | Central Japan Railway Co | Measuring instrument for temperature or joint gap of rail |
| CN210689503U (en) * | 2019-09-25 | 2020-06-05 | 天津捷力自动化设备有限公司 | Hydraulic measuring device for fixed grid spacing of grid displacement sensor |
| CN111238344A (en) * | 2020-03-10 | 2020-06-05 | 广东省特种设备检测研究院 | Measuring instrument and method for gap between escalator step and skirt panel |
| CN215338115U (en) * | 2020-12-28 | 2021-12-28 | 华晨宝马汽车有限公司 | Surface difference measuring tool and measuring device |
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