CN114577120A - Quality detection device of metering device - Google Patents
Quality detection device of metering device Download PDFInfo
- Publication number
- CN114577120A CN114577120A CN202210411323.4A CN202210411323A CN114577120A CN 114577120 A CN114577120 A CN 114577120A CN 202210411323 A CN202210411323 A CN 202210411323A CN 114577120 A CN114577120 A CN 114577120A
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 description 20
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention relates to the technical field of quality detection devices, in particular to a quality detection device of metering equipment, which comprises two concave seats, wherein the two concave seats are symmetrically arranged, supporting plates are respectively arranged at the tops of the two concave seats through screws, a top plate is arranged between the top ends of the two supporting plates through screws, bearings are respectively arranged at the top ends of the two supporting plates in a penetrating manner, a lead screw is tightly inserted between the inner rings of the two bearings, a first screw tube is sleeved on the surface of the lead screw in a threaded manner, and a fixing tube is movably sleeved on the surface of the lead screw. According to the invention, through the arrangement of the photoelectric sensor and the reflector, the pipeline emitted by the photoelectric sensor is irradiated in the reflector, meanwhile, light is reflected in the photoelectric sensor from the reflector, the time interval between two signals of reflected light and emergent light is measured, and the length between the two signals is measured, so that whether the length of the length measuring instrument is standard or not is conveniently detected, and the stability of the operation is improved.
Description
Technical Field
The invention relates to the technical field of quality detection devices, in particular to a quality detection device of metering equipment.
Background
The measuring instruments and devices are divided into length measuring instruments, thermotechnical measuring instruments, weighing instrument measuring instruments, hardness force measuring instruments, capacity measuring instruments and electric measuring instruments. When quality detection is performed on the measuring instruments, whether the length of the measuring instruments is in a standard or not needs to be measured, and the prior art does not have perfect length standard measuring equipment.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a quality detection device of a measuring instrument.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a quality detection device of metering equipment comprises two concave seats, wherein the two concave seats are symmetrically arranged, supporting plates are respectively installed at the tops of the two concave seats through screws, a top plate is installed between the top ends of the two supporting plates through screws, bearings are respectively installed at the top ends of the two supporting plates in a penetrating mode, a lead screw is tightly inserted between the inner rings of the two bearings, a first solenoid is sleeved on the surface of the lead screw in a threaded mode, a fixed pipe is movably sleeved on the surface of the lead screw, first sliding blocks are respectively installed at the bottoms of the fixed pipe and the first solenoid through screws, photoelectric sensors and reflectors are respectively installed at the bottom ends of the two first sliding blocks through screws, the positions between the photoelectric sensors and the reflectors correspond to each other, a second sliding block is installed at the top of the first solenoid through screws, a concave piece is installed between the top ends of the two supporting plates through screws, one end of the second sliding block is slidably mounted inside the concave part, a connecting plate is mounted outside the fixed pipe through a screw, one end of the connecting plate is mounted on the side face of the concave part through a screw, one end of the lead screw is connected with a driving mechanism, a base is placed between the two concave seats, the base is connected with the two concave seats through a positioning mechanism, a measuring tool fixing mechanism is mounted at the top of the base through a screw, the measuring tool fixing mechanism comprises a supporting seat which is mounted at the top of the base through a screw, a second strip hole extending to the side face of the supporting seat is formed in the surface of the supporting seat, a screw rod is mounted on the inner side face of the second strip hole through a screw, a sliding pipe is movably sleeved on the surface of the screw rod, a first clamping plate is mounted on the surface of the sliding pipe through a screw, and a second clamping plate is arranged on one side of the second strip hole, the second clamping plate corresponds to the first clamping plate in position, a second spiral tube is sleeved on the surface of the screw rod in a threaded manner, the end part of the second spiral tube is in contact with the end part of the sliding tube, a first pressure spring is sleeved on the surface of the screw rod, the two ends of the first pressure spring are respectively installed on the inner side surface of the second strip hole and the end part of the sliding tube through screws, a limiting mechanism is arranged on the side surface of the supporting seat and comprises an installation tube, one end of the installation tube is installed on the side surface of the supporting seat through screws, an installation rod is installed at the other end of the installation tube in a sliding manner, a movable block is installed at one end of the installation rod through screws, a movable block is installed at the top of the movable block through screws, a first strip hole is formed in the top of the base, the positions of the first strip hole and the movable block correspond to each other side surface, a first fixed rod is welded between two symmetrical side surfaces in the first strip hole, the surface sliding cover of first dead lever is equipped with the fixed block, the bottom at the movable block is passed through with screw in the top of fixed block, the surface activity cover of first dead lever is equipped with second pressure spring, the medial surface in the side of fixed block and first rectangular hole is passed through with screw in the both ends of second pressure spring, there is the display screen side of roof through the screw mounting, there is the PLC controller side of base through the screw mounting, the PLC controller passes through the wire and is connected with display screen and photoelectric sensor respectively, the PLC controller passes through the wire and is connected with driving motor.
Preferably, the top ends of the second clamping plate and the first clamping plate are provided with stop blocks through screws, and the two stop blocks correspond to each other in position.
Preferably, a first fixing plate is installed at the bottom end of one of the first sliding blocks through a screw, the side face of the first fixing plate and the emitting end of the photoelectric sensor are located on the same plane, and the other end of the first fixing plate and the surface of the movable block are arranged in parallel.
Preferably, a second fixing plate is installed at the top of the movable block through a screw, and the volume of the second fixing plate is smaller than that of the movable block.
Preferably, the positioning mechanism comprises an installation block and a first screw hole, the first screw hole is formed in the top of the concave seat, the installation block is arranged inside the concave seat, the installation block is installed on the side face of the base through screws, a plurality of second screw holes are formed in the surface of the installation block, a stud is inserted into internal threads of the first screw hole, and one end of the stud is inserted into the second screw hole.
Preferably, at least five second screw holes are formed in the second screw hole, and the five second screw holes are arranged at equal intervals.
Preferably, a second fixing rod is mounted on a side surface of one of the first sliding blocks through a screw, and the other end of the second fixing rod penetrates through a side surface of the other first sliding block and is mounted on a side surface of the supporting plate through a screw.
Preferably, actuating mechanism includes the motor mount pad, the side at one of them backup pad is passed through the screw installation to the one end of motor mount pad, there is driving motor at the top of motor mount pad through the screw installation, driving motor's expansion end passes through the shaft coupling and installs the one end at the lead screw.
Preferably, the length of the mounting block is the same as the length of the female socket.
Preferably, the top of the second spiral pipe extends to the upper part of the second long hole, and anti-skid threads are arranged along the arc surface of the second long hole.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, by arranging the photoelectric sensor and the reflector, the pipeline emitted by the photoelectric sensor is irradiated in the reflector, meanwhile, light is reflected in the photoelectric sensor from the reflector, and the time interval between two signals of reflected light and emergent light is measured to measure the length between the two signals, so that whether the length of the length measuring instrument is standard or not is conveniently detected, and the stability of the operation is improved;
according to the invention, the screw rod, the concave block, the second sliding block, the screw pipe, the fixed pipe and the two first sliding blocks are arranged, the driving motor drives the screw rod to rotate, the screw pipe drives the screw pipe to rotate, the screw pipe drives the second sliding block to slide in the concave block, the screw pipe drives the first sliding blocks to synchronously move, and the distance between the two first sliding blocks is conveniently adjusted according to the length of the metering device.
Drawings
FIG. 1 is an isometric view of a quality detection device of a metrology instrumentation apparatus of the present invention;
FIG. 2 is a schematic view of the connection structure of two supporting plates and a concave member of the quality control device of a measuring instrument device according to the present invention;
FIG. 3 is a schematic view of the connection structure of the concave member and the second sliding block of the quality detection device of the measuring instrument and apparatus of the present invention;
FIG. 4 is a schematic view of a gauge clamping mechanism of the quality detection apparatus of the metrology instrumentation device of the present invention;
FIG. 5 is a schematic view of a connection structure of a first fixing rod, a fixing block and a second pressure spring of the quality detection device of the measuring instrument apparatus according to the present invention;
FIG. 6 is a schematic view of a connection structure of a fixing tube and a photoelectric sensor of a quality detecting apparatus of a measuring instrument device according to the present invention;
FIG. 7 is a schematic view of a first solenoid and mirror connection of a mass measuring device of a metrology instrument apparatus of the present invention;
FIG. 8 is a schematic view of a connection structure of two first sliding blocks and a second fixing rod of the quality detection device of the measuring instrument apparatus according to the present invention;
FIG. 9 is a schematic view of a mounting block and stud connection structure of a quality control device of a metrology instrumentation tool in accordance with the present invention;
FIG. 10 is a schematic view of the connection structure of the female socket and the stud of the quality detection device of the measuring instrument and equipment.
In the figure: the device comprises a motor mounting seat 1, a driving motor 2, a bearing 3, a second fixing rod 4, a screw rod 5, a first solenoid 6, a top plate 7, a display screen 8, a supporting plate 9, a first sliding block 10, a first fixing plate 11, a concave seat 12, a stud 13, a mounting block 14, a screw rod 15, a supporting seat 16, a mounting pipe 17, a mounting rod 18, a PLC (programmable logic controller) 19, a movable block 20, a base 21, a first long hole 22, a concave part 23, a connecting plate 24, a fixing pipe 25, a second sliding block 26, a sliding pipe 27, a second solenoid 28, a first clamping plate 29, a first pressure spring 30, a stop block 31, a second clamping plate 32, a second long hole 33, a first fixing rod 34, a fixing block 35, a second pressure spring 36, a second fixing plate 37, a photoelectric sensor 38, a reflector 39, a first screw hole 40 and a second screw hole 41.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
The quality detection device of the metering device equipment shown in fig. 1-10 comprises two concave seats 12, the two concave seats 12 are symmetrically arranged, supporting plates 9 are respectively installed at the tops of the two concave seats 12 through screws, a top plate 7 is installed between the top ends of the two supporting plates 9 through screws, bearings 3 are respectively installed at the top ends of the two supporting plates 9 in a penetrating manner, a lead screw 5 is tightly inserted between the inner rings of the two bearings 3, a first solenoid 6 is sleeved on the surface of the lead screw 5 in a threaded manner, a fixed pipe 25 is movably sleeved on the surface of the lead screw 5, first sliding blocks 10 are respectively installed at the bottoms of the fixed pipe 25 and the first solenoid 6 through screws, the bottom end of one of the first sliding blocks 10 is provided with a first fixing plate 11 through a screw, the side surface of the first fixing plate 11 and the emitting end of the photoelectric sensor 38 are positioned on the same plane, and the other end of the first fixing plate 11 and the surface of the movable block 20 are arranged in parallel. The top of the movable block 20 is provided with a second fixing plate 37 by screws, and the volume of the second fixing plate 37 is smaller than that of the movable block 20. The fixing plate 11 and the second fixing plate 37 play a limiting role on two sides of the metering device, and stability of positions where the two sides of the metering device are placed is improved. The side of one of the first sliding blocks 10 is provided with a second fixing rod 4 through a screw, and the other end of the second fixing rod 4 penetrates through the side of the other first sliding block 10 and is arranged on the side of the supporting plate 9 through a screw. The second fixing lever 4 is used to stabilize the position of the other first slider 10.
The photoelectric sensors 38 and the reflective mirrors 39 are respectively installed at the bottom ends of the two first sliding blocks 10 through screws, the positions between the photoelectric sensors 38 and the reflective mirrors 39 correspond, the photoelectric sensors 38 irradiate the reflective mirrors in a sent pipeline, meanwhile, light is reflected in the photoelectric sensors 38 from the reflective mirrors 39, the time interval between two signals of reflected light and sent light is measured, the length between the two signals is measured, whether the length of the length measuring instrument is standard or not is detected conveniently, and the operation stability is improved.
There is second sliding block 26 at the top of first screwed pipe 6 through the mounting screw, there is concave part 23 through the mounting screw between the top of two backup pads 9, the inside at concave part 23 of one end slidable mounting of second sliding block 26, there is connecting plate 24 outside fixed pipe 25 through the mounting screw, the side at concave part 23 is passed through the mounting screw to the one end of connecting plate 24, lead screw 5's one end is connected with actuating mechanism, base 21 has been placed between two concave seats 12, actuating mechanism includes motor mount pad 1, the side at one of them backup pad 9 is passed through the mounting screw to the one end of motor mount pad 1, there is driving motor 2 at the top of motor mount pad 1 through the mounting screw, the expansion end of driving motor 2 passes through the shaft coupling and installs the one end at lead screw 5. When the distance between the two first sliding blocks 10 is adjusted, only the PLC 19 needs to be operated, the PLC 19 controls the driving motor 2 to be powered on to work, the movable end of the driving motor 2 drives the screw rod 5 to rotate between the two supporting plates 9 through the bearing 3, meanwhile, the screw rod 5 applies torque force to the first screw pipe 6, the first screw pipe 6 drives the second sliding block 26, the second sliding block 26 applies acting force to the concave part 23, at the moment, the second sliding block 26 is limited by the concave part 23, so that the first screw pipe 6 can conveniently move on the surface of the screw rod 5, the first screw pipe 6 drives the first sliding block 10 to move, the first sliding block 10 drives the reflective mirror 39 to move synchronously, the length between the reflective mirror 39 and the photoelectric sensor 38 is adjusted, and the adaptive adjustment is carried out according to the length of a metering device.
The base 21 and the two concave seats 12 are connected through a positioning mechanism, the positioning mechanism comprises an installation block 14 and a first screw hole 40, the first screw hole 40 is arranged at the top of the concave seat 12, the installation block 14 is arranged in the concave seat 12, the installation block 14 is arranged on the side face of the base 21 through a screw, a plurality of second screw holes 41 are formed in the surface of the installation block 14, a stud 13 is inserted into the internal thread of the first screw hole 40, and one end thread of the stud 13 is inserted into the second screw hole 41. At least five second screw holes 41 are formed, and the five second screw holes 41 are arranged at equal intervals. When the horizontal position of the metering device is adjusted, only the base 21 needs to be adjusted, when the position of the base 21 is adjusted, the stud 13 is rotated firstly, the stud 13 rotates at the internal thread of the first screw hole 40 after being stressed, the stud 13 is convenient to rotate at the internal thread of the second screw hole 41, the stud 13 is rotated out from the internal thread of the second screw hole 41 and is used for rotating the stud 13 out from the internal thread of the second screw hole 41, the base 21 can be conveniently pushed, the base 21 drives the mounting block 14 to synchronously move, and the base 21 is convenient to drive the metering scale to move in the horizontal direction. After the movement is completed, the stud 13 can be rotated, and the stud 13 can be screwed in the second screw hole 41 after being stressed, so that the position of the mounting block 14 is fixed. The length of the mounting block 14 is the same as the length of the female socket 12. For facilitating sliding of the mounting block 14 within the female socket 12 and for facilitating adjustment of the distance between the mounting block 14 and the female socket 12. The top of the second spiral tube 28 extends to the upper side of the second elongated hole 33, and anti-slip threads are formed along the arc surface of the second elongated hole 33. A exert the effort on being used for making things convenient for staff's hand to the second solenoid 28, the second solenoid 28 of being convenient for rotates at the surface screw thread of screw rod 15, and the second solenoid 28 of being convenient for moves on screw rod 15, has promoted the convenience of staff's operation.
The measuring tool fixing mechanism is installed on the top of the base 21 through a screw, the measuring tool fixing mechanism comprises a supporting seat 16, the supporting seat 16 is installed on the top of the base 21 through a screw, a second long-strip hole 33 extending to the side face of the supporting seat 16 is formed in the surface of the supporting seat 16, a screw rod 15 is installed on the inner side face of the second long-strip hole 33 through a screw, a sliding pipe 27 is movably sleeved on the surface of the screw rod 15, a first clamping plate 29 is installed on the surface of the sliding pipe 27 through a screw, a second clamping plate 32 is arranged on one side of the second long-strip hole 33, the second clamping plate 32 corresponds to the first clamping plate 29 in position, a second spiral pipe 28 is sleeved on the surface of the screw rod 15 in a threaded manner, the end portion of the second spiral pipe 28 is in contact with the end portion of the sliding pipe 27, a first pressure spring 30 is sleeved on the surface of the screw rod 15, two ends of the first pressure spring 30 are respectively installed on the inner side face of the second long-strip hole 33 and the end portion of the sliding pipe 27 through screws, a stop block 31 is installed at the top ends of the second clamping plate 32 and the first clamping plate 29 through screws, the positions of the two stops 31 correspond. The second clamping plate 32 and the first clamping plate 29 are used for fixing two sides of the metering device, and meanwhile, the two stop blocks 31 are used for limiting the top of the metering device, so that the stability of clamping the metering device between the second clamping plate 32 and the first clamping plate 29 is improved. When the measuring instrument is clamped and fixed, the measuring instrument is firstly placed at the top of the supporting seat 16, the second clamping plate 32 and the first clamping plate 2 are placed at two sides of the measuring instrument, the side surface of the measuring instrument is contacted with the side surface of the second clamping plate 32, the second screw pipe 28 is simultaneously rotated, the second screw pipe 28 is stressed and then rotates on the surface of the screw rod 15 in a threaded manner, the second screw pipe 28 pushes the sliding pipe 27, the sliding pipe 27 is stressed and then moves on the surface of the screw rod 15, the sliding pipe 27 pushes the first pressure spring 30, the length of the first pressure spring 30 is stressed and then is compressed, meanwhile, the first clamping plate 29 pushes the measuring instrument, the other side of the measuring instrument is contacted with the side surface of the second clamping plate 32, the measuring instrument is clamped and fixed by the first clamping plate 29 and the second clamping plate 32, the length of the first pressure spring 30 is contracted, and further the first pressure spring 30 is convenient for pushing the sliding pipe 27 by self acting force, the sliding tube 27 drives the first clamping plate 29 to reset after being stressed. When the measuring device is clamped and fixed, one end of the measuring device is required to be adjusted to be in contact with the side face of the first fixing plate 11, the other end of the measuring device pushes the second fixing plate 37, the second fixing plate 37 pushes the movable block 20 after being stressed, the movable block 20 drives the mounting rod 18 to slide in the mounting pipe 17, the movable block 20 pushes the fixed block 35 to slide in the first long hole 22, the fixed block 35 slides on the surface of the first fixing rod 34 at the same time, the fixed block 35 pushes the second pressure spring 36, the second pressure spring 36 contracts in length after being stressed, the second pressure spring 36 pushes the fixed block 35 through self acting force, and the fixed block 35 drives the second fixing plate 37 to push the measuring device through the movable block 20 so as to clamp and fix the two sides of the measuring device.
A limiting mechanism is arranged on the side face of the supporting seat 16, the limiting mechanism comprises an installation pipe 17, one end of the installation pipe 17 is installed on the side face of the supporting seat 16 through a screw, an installation rod 18 is installed at the other end of the installation pipe 17 in a sliding mode, a movable block 20 is installed at one end of the installation rod 18 through a screw, a movable block 20 is installed at the top of the movable block 20 through a screw, a first long-strip-shaped hole 22 is formed in the top of the base 21, the first long-strip-shaped hole 22 corresponds to the movable block 20 in position, a first fixing rod 34 is welded between two symmetrical side faces inside the first long-strip-shaped hole 22, a fixing block 35 is sleeved on the surface of the first fixing rod 34 in a sliding mode, the top end of the fixing block 35 is installed at the bottom of the movable block 20 through a screw, a second pressure spring 36 is sleeved on the surface of the first fixing rod 34 in a movable mode, two ends of the second pressure spring 36 are installed on the side face of the fixing block 35 and the inner side face of the first long-strip-shaped hole 22 through a screw, the display screen 8 is installed through the screw in the side of roof 7, and PLC controller 19 is installed through the screw in the side of base 21, and PLC controller 19 passes through the wire to be connected with display screen 8 and photoelectric sensor 38 respectively, and PLC controller 19 passes through the wire to be connected with driving motor 2.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The utility model provides a quality detection device of measuring instrument equipment, includes two concave type seats (12), two concave type seat (12) symmetrical arrangement, its characterized in that, two the backup pad (9) are all installed through the screw in the top of concave type seat (12), two roof (7) are installed through the screw between the top of backup pad (9).
2. The quality detection device of the metering device equipment as claimed in claim 1, wherein the top ends of the two support plates (9) are respectively provided with a bearing (3) in a penetrating manner, the inner rings of the two bearings (3) are tightly inserted with a lead screw (5), the surface of the lead screw (5) is provided with a first solenoid (6) in a threaded manner, the surface of the lead screw (5) is provided with a fixed pipe (25) in a movable manner, the bottoms of the fixed pipe (25) and the first solenoid (6) are respectively provided with a first sliding block (10) through screws, the bottom ends of the two first sliding blocks (10) are respectively provided with a photoelectric sensor (38) and a reflective mirror (39) through screws, and the positions of the photoelectric sensor (38) and the reflective mirror (39) are corresponding to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210411323.4A CN114577120A (en) | 2022-04-19 | 2022-04-19 | Quality detection device of metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210411323.4A CN114577120A (en) | 2022-04-19 | 2022-04-19 | Quality detection device of metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114577120A true CN114577120A (en) | 2022-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210411323.4A Pending CN114577120A (en) | 2022-04-19 | 2022-04-19 | Quality detection device of metering device |
Country Status (1)
| Country | Link |
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| CN (1) | CN114577120A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623894A (en) * | 2022-04-19 | 2022-06-14 | 安正计量检测有限公司 | Chemical instrumentation measures detection device |
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| WO2018232809A1 (en) * | 2017-06-24 | 2018-12-27 | 东北大学 | Rotational vibration test stand for aeroengine blisk based on laser vibrometer and use |
| CN109405750A (en) * | 2018-11-29 | 2019-03-01 | 河北银箭体育用品股份有限公司 | Javelin detection device |
| CN209639680U (en) * | 2019-02-02 | 2019-11-15 | 鞍山长风无损检测设备有限公司 | A device for measuring the length of section steel by laser |
| CN215984303U (en) * | 2021-10-26 | 2022-03-08 | 惠州市富斯经典家具有限公司 | Measuring device is used in sofa processing |
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2022
- 2022-04-19 CN CN202210411323.4A patent/CN114577120A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206134064U (en) * | 2016-07-21 | 2017-04-26 | 马俊东 | Special learning by experimentation device of student's physics class |
| WO2018232809A1 (en) * | 2017-06-24 | 2018-12-27 | 东北大学 | Rotational vibration test stand for aeroengine blisk based on laser vibrometer and use |
| CN207456389U (en) * | 2017-10-26 | 2018-06-05 | 河北高达电子科技有限公司 | A kind of displacement sensor calibration verification device |
| CN109405750A (en) * | 2018-11-29 | 2019-03-01 | 河北银箭体育用品股份有限公司 | Javelin detection device |
| CN209639680U (en) * | 2019-02-02 | 2019-11-15 | 鞍山长风无损检测设备有限公司 | A device for measuring the length of section steel by laser |
| CN215984303U (en) * | 2021-10-26 | 2022-03-08 | 惠州市富斯经典家具有限公司 | Measuring device is used in sofa processing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623894A (en) * | 2022-04-19 | 2022-06-14 | 安正计量检测有限公司 | Chemical instrumentation measures detection device |
| CN114623894B (en) * | 2022-04-19 | 2024-12-06 | 安正计量检测有限公司 | A chemical instrument measurement and detection device |
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