CN110906921B - Detection device is used in production of fiber-optic gyroscope - Google Patents

Detection device is used in production of fiber-optic gyroscope Download PDF

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Publication number
CN110906921B
CN110906921B CN201911267646.5A CN201911267646A CN110906921B CN 110906921 B CN110906921 B CN 110906921B CN 201911267646 A CN201911267646 A CN 201911267646A CN 110906921 B CN110906921 B CN 110906921B
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horizontally arranged
machine table
fiber
fixed
detection device
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CN110906921A (en
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易军
李慧鹏
邵振华
王玉平
陈彦名
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Zhuzhou Fisrock Photoelectric Technology Co ltd
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Zhuzhou Fisrock Photoelectric Technology Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/58Turn-sensitive devices without moving masses
    • G01C19/64Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
    • G01C19/72Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C25/00Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Manufacturing & Machinery (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Gyroscopes (AREA)

Abstract

The invention belongs to the technical field of fiber optic gyroscope production, and particularly relates to a detection device for fiber optic gyroscope production, aiming at the problem that the conventional detection device for fiber optic gyroscope production cannot detect the angle identification accuracy of a fiber optic gyroscope. According to the invention, the steering engine is installed on the inner wall of the top of the fixed frame, the steering engine can be used for carrying out high-precision angle rotation control on the fixed round box at the top, the scale value with the angle is also divided at the top of the fixed round box, the scale value and the pointer at the top of the fixed frame at the bottom are opposite to the scale value, the steering engine is used for carrying out angle rotation, the scale value and the pointer at the top of the fixed frame at the bottom can be compared with the reading of the optical fiber gyroscope, and the angle detection of the optical fiber gyroscope can be more precise by comparing the scale value with the pointer at the top of the fixed frame at the bottom.

Description

Detection device is used in production of fiber-optic gyroscope
Technical Field
The invention relates to the technical field of optical fiber gyroscope production, in particular to a detection device for optical fiber gyroscope production.
Background
The optical fiber gyroscope is an optical fiber angular velocity sensor, which is one of various optical fiber sensors with the most promising popularization and application. The fiber-optic gyroscope has the advantages of no mechanical moving part, no preheating time, insensitive acceleration, wide dynamic range, digital output, small volume and the like, as well as the annular laser gyroscope. In addition, the fiber-optic gyroscope overcomes the fatal defects of high cost, locking phenomenon and the like of the ring-shaped laser gyroscope.
Through retrieval, the patent with the Chinese patent authorization publication number of CN103743412B discloses a nondestructive testing device for an optical path of a fiber-optic gyroscope, which comprises an infrared imaging system, a lens bracket, an illumination system, a fiber-optic gyroscope fixing component, a five-degree-of-freedom displacement device and an optical flat plate; the infrared imaging system is fixedly connected with the lens support, the lens support is arranged on the optical flat plate, the infrared imaging system is perpendicular to the optical flat plate, and the illuminating system is arranged on the optical flat plate. The optical fiber gyro optical path nondestructive testing device in the patent has the following defects: in the detection process of the fiber-optic gyroscope, the transmission of the optical path is the guarantee for realizing the most basic function, the normal optical path of the fiber-optic gyroscope cannot be damaged, the main detection is the accuracy of detecting the angle identification of the optical path, but the device does not provide a specific detection scheme, so that the detection device for reading the angle accuracy is required to meet the current production requirement.
Disclosure of Invention
The invention provides a detection device for producing an optical fiber gyroscope, which is based on the technical problem that the detection device for producing the optical fiber gyroscope cannot detect the angle identification accuracy of the optical fiber gyroscope.
The invention provides a detection device for producing an optical fiber gyroscope, which comprises a main machine table, wherein a horizontally arranged installation groove is formed in the middle of the top of the main machine table, a horizontally arranged horizontal machine table is connected between the inner walls of two sides of the installation groove through bolts, a horizontal sliding groove is formed in the top of the horizontal machine table, a horizontally arranged moving machine table is connected at the bottom of the sliding groove in a sliding manner, the top of the moving machine table is connected with a vertically arranged fixed frame through bolts, a first hole is formed in the top of the fixed frame, a horizontally arranged fixed round box is sleeved on the circumferential inner wall of the first hole through a bearing, the inner walls of two sides of the fixed frame are connected with a same horizontally arranged fixed plate through bolts, the top of the fixed plate and the inner wall of the top of the fixed frame are connected with a vertically arranged steering engine through bolts, and a vertically arranged driving gear is sleeved on an output shaft of the steering engine, and the driving gear is sleeved with the inner wall of the bottom of the fixed round box, the outer wall of the circumference of the fixed round box is sleeved with three horizontally arranged fixing screws in a threaded manner, one end of each fixing screw is connected with a vertically arranged fastening wheel through a bolt, and the other end of each fixing screw is sleeved with a vertically arranged fixed arc plate through a bearing.
Preferably, the bottom both ends of mainframe platform all have the support column of vertical setting through bolted connection, and the bottom of support column has the PMKD of level setting through bolted connection.
Preferably, the second hole has all been seted up at the both ends of horizontal board, and has cup jointed the screw lead screw that same level set up through the bearing between the circumference inner wall of two second holes, and screw lead screw and removal board screw thread cup joint mutually.
Preferably, one end of the horizontal machine platform is connected with a motor through a bolt, and an output shaft of the motor is connected with one end of the threaded screw rod through a bolt.
Preferably, one side of the top of the main machine table is connected with two vertically arranged connecting rods through bolts, and a horizontally arranged fixed top plate is connected between the tops of the two connecting rods through bolts.
Preferably, one end of the bottom of the fixed top plate is connected with a horizontally arranged display screen through a bolt.
Preferably, one side of the bottom of the main machine table is connected with a horizontally arranged air pump through a bolt.
Preferably, the bottom of the fixed round box is provided with a third hole, the inner wall of the circumference of the third hole is sleeved with a vertically arranged air inlet pipe, and the air inlet pipe is connected with the air outlet end of the air pump.
Preferably, the top of the fixed top plate is connected with a mounting plate horizontally arranged through a bolt, the bottom of the mounting plate is connected with an electric push rod vertically arranged through a bolt, the bottom of the electric push rod is connected with a sealing top plate horizontally arranged through a bolt, and the bottom of the sealing top plate is connected with a rubber ring gasket horizontally arranged through a bolt.
Preferably, a fourth hole is formed in the top of the sealing top plate, and a vertically arranged barometer is sleeved on the top of the circumferential inner wall of the fourth hole.
Compared with the prior art, the invention provides a detection device for producing an optical fiber gyroscope, which has the following beneficial effects:
1. this detection device is used in fiber-optic gyroscope production installs the steering wheel through setting up at fixed frame's top inner wall, and the steering wheel can carry out high accurate angle rotation control to the fixed circle box at top, and the scale interval of angle is also divided at the top of fixed circle box, and the scale interval is relative it with the fixed frame top pointer of bottom, carries out the rotation of angle through the steering wheel, can compare with fiber-optic gyroscope's reading, and the three is compared and to be made fiber-optic gyroscope's angle detect more accurate.
2. This detection device is used in fiber-optic gyroscope production installs the air pump through the bottom that sets up the host computer platform, and top mounting panel bottom is connected with sealed roof and rubber packing ring through electric putter for inside fiber-optic gyroscope is in sealed environment, can make the device carry out fiber-optic gyroscope's leakproofness and detect, more multi-functional.
3. This detection device is used in fiber-optic gyroscope production fixes through three clamping screw through setting up the circumference outer wall at fixed circle box, and the one end of screw rod has cup jointed fixed arc board through the bearing, can carry out different fixes according to fiber-optic gyroscope's size, and protects fiber-optic gyroscope effectively not damaged.
Drawings
FIG. 1 is a schematic view of the overall structure of a detection device for producing a fiber-optic gyroscope according to the present invention;
FIG. 2 is a schematic structural view of a fixed round box of the detection device for producing the fiber-optic gyroscope according to the present invention;
FIG. 3 is a schematic view of a steering engine structure of the detection device for producing the fiber-optic gyroscope according to the present invention;
fig. 4 is a schematic structural view of a sealing top plate of the detection device for producing the fiber-optic gyroscope according to the present invention.
In the figure: the device comprises a support column 1, a host machine table 2, a horizontal machine table 3, a motor 4, a threaded screw rod 5, a movable machine table 6, a fixed frame 7, a fixed round box 8, a display screen 9, a fixed top plate 10, a connecting rod 11, a steering engine 12, a fixed plate 13, a fastening wheel 14, a fixed screw rod 15, a fixed arc plate 16, a rubber gasket 17, an barometer 18, an installation plate 19, an electric push rod 20, a sealed top plate 21, an air pump 22 and a driving gear 23.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, 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 exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1:
a detection device for producing an optical fiber gyroscope is shown in figures 1-3 and comprises a main machine table 2, wherein a horizontally arranged installation groove is formed in the middle of the top of the main machine table 2, a horizontally arranged horizontal machine table 3 is connected between the inner walls of two sides of the installation groove through bolts, a horizontal sliding groove is formed in the top of the horizontal machine table 3, a horizontally arranged moving machine table 6 is connected to the bottom of the sliding groove in a sliding mode, a vertically arranged fixed frame 7 is connected to the top of the moving machine table 6 through bolts, a first hole is formed in the top of the fixed frame 7, a horizontally arranged fixed round box 8 is sleeved on the circumferential inner wall of the first hole through a bearing, a same horizontally arranged fixed plate 13 is connected between the inner walls of two sides of the fixed frame 7 through bolts, a vertically arranged steering engine 12 is connected to the top of the fixed plate 13 and the inner wall of the top of the fixed frame 7 through bolts, the output shaft of steering wheel 12 has cup jointed the drive gear 23 of vertical setting, and drive gear 23 cup joints with the bottom inner wall of fixed circle box 8 mutually, and the circumference outer wall screw thread of fixed circle box 8 has cup jointed the set screw 15 that three level set up, and the one end of set screw 15 has the tight pulley 14 of vertical setting through bolted connection, and the other end of set screw 15 has cup jointed the fixed arc board 16 of vertical setting through the bearing.
The bottom both ends of host computer platform 2 all have support column 1 of vertical setting through bolted connection, and the bottom of support column 1 has the PMKD of level setting through bolted connection, the second hole has all been seted up at the both ends of horizontal board 3, and cup jointed the screw lead screw 5 that same level set up through the bearing between the circumference inner wall in two second holes, and screw lead screw 5 cup joints with 6 screw threads of removal board, there is motor 4 one end of horizontal board 3 through bolted connection, and motor 4's output shaft is connected through the bolt with screw lead screw 5's one end, there are the connecting rod 11 of two vertical settings top one side of host computer platform 2 through bolted connection, and there is the roof 10 of fixing of level setting through bolted connection between the top of two connecting rods 11, there is the display screen 9 of level setting bottom one end of roof 10 through bolted connection.
In the embodiment, when the detection device for producing the optical fiber gyroscope is used, an operator firstly moves the detection device to a proper working position to fix the detection device stably and connect the detection device to a power supply, in the using process, the operator firstly takes the optical fiber gyroscope out and places the optical fiber gyroscope in the middle of the top of the fixed round box 8, rotates the fastening wheel 14, fixes the optical fiber gyroscope at the middle of the fixed round box 8 through the fixed arc plate 16, aligns scales on the circumference of the top of the fixed round box 8 with the top pointer of the fixed frame 7, controls the steering engine 12 to rotate at a specified angle through the controller, operates the steering engine 12 to drive the top fixed round box 8 to rotate precisely, then electrically connects signals of the display screen 9 with signals of the optical fiber gyroscope, detects the readings of the angular deviation values of the optical fiber gyroscope and then displays the readings through the display screen 9, compares the readings of the display screen 9 with the scale values and the deviation angles of the steering engine 12, the detection of the angular deviation accuracy of the optical fiber gyroscope can be carried out.
Example 2:
the utility model provides a detection device is used in production of fiber optic gyroscope, as shown in fig. 1-4, there is the air pump 22 that the level set up bottom one side of host computer platform 2 through bolted connection, third hole has been seted up to the bottom of fixed round box 8, and the circumference inner wall of third hole has cup jointed the intake pipe of vertical setting, and the intake pipe is connected with the end of giving vent to anger of air pump 22, there is the mounting panel 19 that the level set up at the top of fixed roof 10 through bolted connection, and there is the electric putter 20 of vertical setting bottom of mounting panel 19 through bolted connection, and there is the sealed roof 21 of level setting bottom of electric putter 20 through bolted connection, there is the rubber circle pad 17 of level setting bottom of sealed roof 21 through bolted connection, the fourth hole has been seted up at the top of sealed roof 21, and the circumference inner wall top in fourth hole has cup jointed the barometer 18 of vertical setting.
When the optical fiber gyroscope sealing device is used, the mounting plate 19 is mounted at the top of the fixed top plate 10, the electric push rod 20 at the bottom of the mounting plate 19 controls the sealing top plate 21 at the bottom and the rubber gasket 17 to move downwards, the rubber gasket 17 seals the top cover of the optical fiber gyroscope, the air pump 22 at the bottom is used for inflating, and an operator observes whether the pointer reading of the barometer 18 at the top fluctuates or not, so that the optical fiber gyroscope sealing detection can be performed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. A detection device for producing an optical fiber gyroscope comprises a main machine table (2) and is characterized in that a horizontally arranged mounting groove is formed in the middle of the top of the main machine table (2), a horizontally arranged horizontal machine table (3) is connected between the inner walls of the two sides of the mounting groove through bolts, a horizontal sliding groove is formed in the top of the horizontal machine table (3), a horizontally arranged moving machine table (6) is connected to the bottom of the sliding groove in a sliding mode, the top of the moving machine table (6) is connected with a vertically arranged fixed frame (7) through bolts, a first hole is formed in the top of the fixed frame (7), a horizontally arranged fixed round box (8) is sleeved on the circumferential inner wall of the first hole through a bearing, and a same horizontally arranged fixed plate (13) is connected between the inner walls of the two sides of the fixed frame (7) through bolts, the top of the fixed plate (13) and the inner wall of the top of the fixed frame (7) are connected with a vertically arranged steering engine (12) through bolts, the output shaft of the steering engine (12) is sleeved with a vertically arranged driving gear (23), the driving gear (23) is sleeved with the inner wall of the bottom of the fixed round box (8), three horizontally arranged fixing screws (15) are sleeved on the outer wall of the circumference of the fixed round box (8) in a threaded manner, one end of each fixing screw (15) is connected with a vertically arranged fastening wheel (14) through a bolt, the other end of each fixing screw (15) is sleeved with a vertically arranged fixing arc plate (16) through a bearing, one side of the top of the mainframe platform (2) is connected with two vertically arranged connecting rods (11) through bolts, and a horizontally arranged fixing top plate (10) is connected between the tops of the two connecting rods (11) through bolts, the top of the fixed top plate (10) is connected with a horizontally arranged mounting plate (19) through a bolt, the bottom of the mounting plate (19) is connected with a vertically arranged electric push rod (20) through a bolt, the bottom of the electric push rod (20) is connected with a horizontally arranged sealing top plate (21) through a bolt, the bottom of the sealing top plate (21) is connected with a horizontally arranged rubber ring gasket (17) through a bolt, a fourth hole is formed in the top of the sealing top plate (21), a vertically arranged barometer (18) is sleeved on the top of the circumferential inner wall of the fourth hole, a steering engine (12) is controlled by a controller to rotate at a specified angle, after the steering engine (12) is operated to drive the top fixed round box (8) to rotate precisely, a signal of a display screen (9) is electrically connected with a signal of an optical fiber gyroscope, and the display screen (9) displays the detected reading of the angle deviation value of the optical fiber gyroscope, the reading of display screen (9) is compared with the skew angle of scale value and steering wheel (12), can carry out the detection of the angle skew precision of fiber-optic gyroscope.
2. The detection device for producing the fiber-optic gyroscope according to claim 1, wherein the two ends of the bottom of the main machine table (2) are connected with the supporting columns (1) which are vertically arranged through bolts, and the bottoms of the supporting columns (1) are connected with the fixing bottom plates which are horizontally arranged through bolts.
3. The detection device for producing the fiber-optic gyroscope according to claim 1, wherein the two ends of the horizontal machine table (3) are respectively provided with a second hole, the inner circumferential walls of the two second holes are sleeved with a threaded screw rod (5) horizontally arranged through a bearing, and the threaded screw rod (5) is sleeved with the movable machine table (6) in a threaded manner.
4. The detection device for producing the fiber-optic gyroscope according to claim 3, wherein one end of the horizontal machine table (3) is connected with the motor (4) through a bolt, and an output shaft of the motor (4) is connected with one end of the threaded screw rod (5) through a bolt.
5. The detection device for producing the fiber-optic gyroscope as claimed in claim 1, wherein one end of the bottom of the fixed top plate (10) is connected with a horizontally arranged display screen (9) through a bolt.
6. The detecting device for the production of the fiber-optic gyroscope according to claim 1, wherein a horizontally arranged air pump (22) is connected to one side of the bottom of the main machine table (2) through a bolt.
7. The detection device for producing the fiber-optic gyroscope according to claim 6, wherein a third hole is formed in the bottom of the fixed round box (8), a vertically arranged air inlet pipe is sleeved on the circumferential inner wall of the third hole, and the air inlet pipe is connected with an air outlet end of the air pump (22).
CN201911267646.5A 2019-12-11 2019-12-11 Detection device is used in production of fiber-optic gyroscope Active CN110906921B (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3131110C1 (en) * 1981-08-06 1983-02-24 Bodenseewerk Gerätetechnik GmbH, 7770 Überlingen Gyro with a band-suspended Meridian gyro
CN202974319U (en) * 2012-09-25 2013-06-05 中国科学院西安光学精密机械研究所 Dynamic measuring device for angle measurement precision
CN103743412A (en) * 2013-12-24 2014-04-23 北京航天时代光电科技有限公司 Nondestructive detection device for light path of fiber-optic gyroscope
CN102840856B (en) * 2011-06-24 2015-08-26 西安测绘研究所 A kind of gyroscope north finding method of dynamic rotary modulation
CN206300661U (en) * 2016-12-12 2017-07-04 李国栋 A kind of fibre optic gyroscope instrument test device
CN206847874U (en) * 2017-06-01 2018-01-05 安徽瑞邦机械科技有限公司 A kind of gas leak detection device of new energy car battery lid
CN109227744A (en) * 2018-10-09 2019-01-18 罗刚 A kind of plastic part perforating device
CN109405737A (en) * 2018-10-10 2019-03-01 湖南科技大学 Camera system and measurement method towards large-scale metrology
CN208588389U (en) * 2018-07-25 2019-03-08 天津云慧智控科技有限公司 A kind of gyroscope test equipment
CN109839082A (en) * 2019-02-25 2019-06-04 孙亚泉 A kind of detection device for construction engineering quality flatness

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2080558C1 (en) * 1994-11-25 1997-05-27 Валерий Николаевич Логозинский Fibre-optic gyrocompass
CN1412521A (en) * 2002-12-03 2003-04-23 武汉理工大学 Method for detecting deformation of underwater engineering structure based on fibre-optic gyro technique and its device
CN103994761B (en) * 2014-05-15 2016-12-14 北京航空航天大学 A kind of optical fibre gyro double-layer magnetic shielding sensing ring assembly with air-tight cavity and assemble method thereof
CN110455313A (en) * 2019-08-16 2019-11-15 北京神导科讯科技发展有限公司 A kind of detection device of optical fibre gyro

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3131110C1 (en) * 1981-08-06 1983-02-24 Bodenseewerk Gerätetechnik GmbH, 7770 Überlingen Gyro with a band-suspended Meridian gyro
CN102840856B (en) * 2011-06-24 2015-08-26 西安测绘研究所 A kind of gyroscope north finding method of dynamic rotary modulation
CN202974319U (en) * 2012-09-25 2013-06-05 中国科学院西安光学精密机械研究所 Dynamic measuring device for angle measurement precision
CN103743412A (en) * 2013-12-24 2014-04-23 北京航天时代光电科技有限公司 Nondestructive detection device for light path of fiber-optic gyroscope
CN206300661U (en) * 2016-12-12 2017-07-04 李国栋 A kind of fibre optic gyroscope instrument test device
CN206847874U (en) * 2017-06-01 2018-01-05 安徽瑞邦机械科技有限公司 A kind of gas leak detection device of new energy car battery lid
CN208588389U (en) * 2018-07-25 2019-03-08 天津云慧智控科技有限公司 A kind of gyroscope test equipment
CN109227744A (en) * 2018-10-09 2019-01-18 罗刚 A kind of plastic part perforating device
CN109405737A (en) * 2018-10-10 2019-03-01 湖南科技大学 Camera system and measurement method towards large-scale metrology
CN109839082A (en) * 2019-02-25 2019-06-04 孙亚泉 A kind of detection device for construction engineering quality flatness

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