CN111551324A - Food package sealing performance detection device - Google Patents
Food package sealing performance detection device Download PDFInfo
- Publication number
- CN111551324A CN111551324A CN202010562041.5A CN202010562041A CN111551324A CN 111551324 A CN111551324 A CN 111551324A CN 202010562041 A CN202010562041 A CN 202010562041A CN 111551324 A CN111551324 A CN 111551324A
- Authority
- CN
- China
- Prior art keywords
- symmetrical
- hollow box
- hinged
- fixedly connected
- symmetry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating 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
- G01M3/32—Investigating 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 for containers, e.g. radiators
- G01M3/3209—Details, e.g. container closure devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating 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
- G01M3/32—Investigating 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 for containers, e.g. radiators
- G01M3/3281—Investigating 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 for containers, e.g. radiators removably mounted in a test cell
- G01M3/329—Investigating 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 for containers, e.g. radiators removably mounted in a test cell for verifying the internal pressure of closed containers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
Abstract
The invention discloses a food package tightness detection device, which comprises symmetrical round plates and is characterized in that: the symmetry the plectane is fixed connection montant respectively, the symmetry the montant is the hollow box of fixed connection respectively, the symmetry the hollow box is provided with the circular slot respectively, the symmetry the hollow box is fixed intercommunication hollow tube one respectively, the symmetry the hollow box is the square pole one of fixed connection symmetry respectively, every the one end of square pole one difference fixed connection horizontal pole, the symmetry the horizontal pole is the one end of fixed connection square pole two respectively, the symmetry the hollow box is fixed connection fixed block one of two sets of symmetries respectively, the symmetry the square pole two is fixed connection hold-down mechanism respectively, the symmetry the hollow box is fixed connection detection mechanism respectively. The invention relates to the field of detection equipment, in particular to a device for detecting the sealing property of food packages. The invention is convenient for detecting the sealing performance of food packages.
Description
Technical Field
The invention relates to the field of detection equipment, in particular to a device for detecting the sealing property of food packages.
Background
After the food is subjected to internal and external packaging, the food can be well protected so as to avoid damage. This requires good sealing properties of the food package. The intelligent sealing tester is an instrument for measuring the sealing performance of food packages. The tightness is an important performance index of food packaging, and directly influences the quality of packaged products.
At present, a vacuum chamber is vacuumized to enable a sample immersed in water to generate internal and external pressure difference, the external escape condition of gas in the sample is observed, and therefore the sealing performance of the sample is judged; the vacuum chamber is vacuumized, so that the internal and external pressure difference is generated on the sample, and the shape recovery condition of the sample after the sample expands and releases the vacuum is observed, so that the sealing performance of the sample is judged. And a vacuum detection mode is adopted, so that the operation is complex. Once the package is damaged, the food in the package bag is soaked in water and can not be sold, which causes resource waste. This is a disadvantage of the prior art.
Disclosure of Invention
The invention aims to provide a device for detecting the sealing property of food packages, which is convenient for detecting the sealing property of the food packages.
The invention adopts the following technical scheme to realize the purpose of the invention:
the utility model provides a food package leakproofness detection device, includes symmetrical plectane, its characterized in that: the symmetry the plectane is fixed connection montant respectively, the symmetry the montant is the hollow box of fixed connection respectively, the symmetry the hollow box is provided with the circular slot respectively, the symmetry the hollow box is fixed intercommunication hollow tube one respectively, the symmetry the hollow box is the square pole one of fixed connection symmetry respectively, every the one end of square pole one difference fixed connection horizontal pole, the symmetry the horizontal pole is the one end of fixed connection square pole two respectively, the symmetry the hollow box is fixed connection fixed block one of two sets of symmetries respectively, the symmetry the square pole two is fixed connection hold-down mechanism respectively, the symmetry the hollow box is fixed connection detection mechanism respectively.
As a further limitation of the technical scheme, the pressing mechanism comprises symmetrical round rods, the symmetrical square rods are respectively and fixedly connected with one ends of the corresponding round rods, the symmetrical round rods are respectively and fixedly connected with bracket plates at the other ends, the bracket plates are fixedly connected with the symmetrical fixed blocks II, one fixed block II is fixedly connected with the motor II, an output shaft of the motor II penetrates through one fixed block II, an output shaft of the motor II is fixedly connected with one end of the screw rod II, and a bearing at the other end of the screw rod II is connected with the other fixed block II.
As a further limitation of the technical scheme, two sections of reverse threads of the second screw rod are respectively in threaded connection with a second sliding block, the support plate is hinged to one end of two groups of symmetrical fifth connecting rods, the other end of each group of symmetrical fifth connecting rods is respectively hinged to a U-shaped plate, two symmetrical sliding blocks are respectively hinged to one end of a sixth connecting rod, and the other ends of the six symmetrical connecting rods are respectively hinged to the middle parts of the corresponding fifth connecting rods.
As a further limitation of the technical scheme, the six symmetrical connecting rods are respectively and fixedly connected with the first square plate, and the five connecting rods on the inner side are respectively and fixedly connected with the second square plate.
As a further limitation of the technical scheme, the detection mechanism includes four first motors, the symmetrical hollow boxes are respectively and fixedly symmetrical to the first motors, four groups of symmetrical fixed blocks are respectively and bearing-connected to one end of a first screw, an output shaft of each first motor is respectively and fixedly connected to one end of a corresponding first screw, and two sections of reverse threads of each first screw are respectively and threadedly connected to a first sliding block.
As a further limitation of the technical scheme, each first sliding block is hinged to one end of a fourth connecting rod, the other end of each fourth connecting rod is hinged to a third connecting rod, one end of each third connecting rod is hinged to the corresponding hollow box body, the other end of each third connecting rod is hinged to a second hollow box body with an arc opening, the symmetrical hollow box bodies are hinged to one ends of two groups of symmetrical second connecting rods, the middle part of each second connecting rod is hinged to the corresponding second hollow box body with the arc opening, the other end of each second connecting rod is hinged to a first hollow box body with the arc opening, each second hollow box body with the arc opening is hinged to one end of the symmetrical first connecting rod, and the other end of each first connecting rod is hinged to the corresponding first hollow box body with the arc opening.
As a further limitation of the technical scheme, one of the arc-shaped open hollow boxes is fixedly communicated with a second hollow pipe, and the other of the arc-shaped open hollow boxes is fixedly communicated with a third hollow pipe.
Compared with the prior art, the invention has the advantages and positive effects that:
1. the area that the square board one, the square board two formed is for the flat parallelogram that accords with the food package bag, has realized through ingenious structural design that four square boards move to the center in the clamping process earlier on, can stable clamp firmly the wrapping bag, can not move too big clamp and explode the wrapping bag because of certain direction again.
2. The moving amplitude of the arc-shaped opening hollow box close to the center is large through ingenious mechanical design, the moving amplitude of the arc-shaped opening hollow box far away from the center is small, the middle position of the packaging bag is convenient to place when the packaging bag is opened, and the packaging bag is clamped and fixed from two sides to the center in a swinging mode when the packaging bag is clamped, so that the packaging bag is firmer and more reasonable.
3. The device is provided with a second motor, the second motor rotates to drive related elements to move, the six connecting rods and the five connecting rods swing and are close to each other at the same time, the first square plate and the second square plate are close to each other, the first square plate and the second square plate extrude the packaging bag to generate pressure for the packaging bag, the two sides of the packaging bag are expanded, and the sealing performance of the food packaging bag is conveniently detected.
4. The device is provided with a first motor, the first motor drives the relevant elements to move, the first arc-opening hollow box and the second arc-opening hollow box are in contact with the packaging bag, the packaging bag cannot be scratched by the arc-opening of the first arc-opening hollow box and the second arc-opening hollow box, the hollow box is in contact with the packaging bag, and when the packaging bag leaks air, detection of the first hollow tube, the second hollow tube and the three pairs of air flows of the hollow tubes is achieved.
5. The wrapping bag is damaged, and the food in the wrapping bag can be packed once more, avoids causing the wasting of resources.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a partial perspective view of the first embodiment of the present invention.
Fig. 3 is a partial perspective view of the second embodiment of the present invention.
Fig. 4 is a schematic view of a partial three-dimensional structure of the present invention.
Fig. 5 is a partial perspective view illustrating a fourth embodiment of the present invention.
Fig. 6 is a schematic partial perspective view of the present invention.
Fig. 7 is a schematic diagram of a partial three-dimensional structure according to the present invention.
Fig. 8 is a schematic partial perspective view illustrating a seventh embodiment of the present invention.
Fig. 9 is a partial perspective view illustrating an eighth embodiment of the present invention.
Fig. 10 is a schematic perspective view of the present invention.
In the figure: 1. the device comprises a first motor, a second motor, a first screw rod, a second screw rod, a third screw rod, a fourth screw rod, a fifth screw rod, a sixth screw rod, a fifth screw rod.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
As shown in fig. 1-10, the invention includes symmetrical circular plates 9, the symmetrical circular plates 9 are respectively and fixedly connected with vertical rods 10, the symmetrical vertical rods 10 are respectively and fixedly connected with hollow boxes 4, the symmetrical hollow boxes 4 are respectively provided with circular grooves 12, the symmetrical hollow boxes 4 are respectively and fixedly communicated with hollow tubes 11, the symmetrical hollow boxes 4 are respectively and fixedly connected with symmetrical square rods 5, each square rod 5 is respectively and fixedly connected with one end of a cross rod 6, the symmetrical cross rods 6 are respectively and fixedly connected with one end of a square rod 7, the symmetrical hollow boxes 4 are respectively and fixedly connected with two groups of symmetrical fixed blocks 13, the symmetrical square rods 7 are respectively and fixedly connected with a pressing mechanism, and the symmetrical hollow boxes 4 are respectively and fixedly connected with a detection mechanism.
The pressing mechanism comprises symmetrical round rods 22, the symmetrical square rods 7 are respectively and fixedly connected with the corresponding ends of the round rods 22, the symmetrical other ends of the round rods 22 are respectively and fixedly connected with support plates 24, the support plates 24 are fixedly connected with the symmetrical fixed blocks two 32, one of the fixed blocks two 32 is fixedly connected with a motor two 23, an output shaft of the motor two 23 penetrates through one of the fixed blocks two 32, an output shaft of the motor two 23 is fixedly connected with one end of a screw rod two 25, and a bearing at the other end of the screw rod two 25 is connected with the other fixed block two 32.
Two sections of reverse threads of the second screw rod 25 are respectively in threaded connection with a second sliding block 26, the support plate 24 is hinged to one end of two groups of symmetrical five connecting rods 30, the other end of each group of symmetrical five connecting rods 30 is respectively in hinged connection with a U-shaped plate 27, the symmetrical second sliding blocks 26 are respectively hinged to one end of a sixth connecting rod 31, and the other ends of the symmetrical sixth connecting rods 31 are respectively in hinged connection with the middle parts of the corresponding fifth connecting rods 30.
The six symmetrical connecting rods 31 are fixedly connected with the first square plate 28 respectively, and the five inner connecting rods 30 are fixedly connected with the second square plate 29 respectively.
The detection mechanism comprises four motors I1, the symmetrical hollow box bodies 4 are respectively fixedly symmetrical to the motors I1, four groups of symmetrical fixing blocks I13 are respectively in bearing connection with one ends of screws I2, the output shaft of each motor I1 is respectively fixedly connected with one end of the corresponding screw I2, and two sections of reverse threads of each screw I2 are respectively in threaded connection with a sliding block I3.
Each first sliding block 3 is hinged to one end of a fourth connecting rod 20, the other end of each fourth connecting rod 20 is hinged to a third connecting rod 19, one end of each third connecting rod 19 is hinged to the corresponding hollow box 4, the other end of each third connecting rod 19 is hinged to a second arc-opening hollow box 17, the symmetrical hollow box 4 is hinged to one end of two groups of symmetrical second connecting rods 18, the middle portion of each second connecting rod 18 is hinged to the corresponding second arc-opening hollow box 17, the other end of each second connecting rod 18 is hinged to a first arc-opening hollow box 15, each second arc-opening hollow box 17 is hinged to one end of a symmetrical first connecting rod 16, and the other end of each first connecting rod 16 is hinged to the corresponding first arc-opening hollow box 15.
Each first arc-shaped open hollow box 15 is fixedly communicated with a second hollow tube 14, and each second arc-shaped open hollow box 17 is fixedly communicated with a third hollow tube 21.
The first motor 1 and the second motor 23 are respectively electrically connected with a controller.
The working process of the invention is as follows: and debugging the controller to enable the controller to respectively control the first motor 1 and the second motor 23 according to the type of the packaging bag.
In the initial state, the two square plates I28 are far away from each other, the square plates I28 and II 29 are far away from each other, and the symmetrical arc-opening hollow boxes I15 and the symmetrical arc-opening hollow boxes II 17 are far away from each other.
According to different foods in the packaging bag, such as flour, fried foods and other volatile organic molecules, detectors are respectively arranged on the first hollow tube 11, the second hollow tube 14 and the third hollow tube 21, and the detectors are connected with a controller.
The middle part of the packaging bag is placed in the area formed by the first square plate 28 and the second square plate 29.
The arc-shaped opening of the arc-shaped opening hollow box II 17, the arc-shaped opening hollow box I15 and the circular groove 12 which are contacted with the packaging bag should be matched with the shape of the packaging bag to be detected, and the arc-shaped opening should be tightly attached to the packaging bag after the plastic bag is clamped by the square plate I28 and the square plate II 29.
The controller is opened, the second motor 23 is opened by the controller, the second motor 23 drives the second screw 25 to rotate, the second screw 25 drives the second slider 26 to move towards the direction close to each other, the second slider 26 drives the sixth connecting rod 31 to change, the sixth connecting rod 31 drives the fifth connecting rod 30 to swing, the fifth connecting rod 30 drives the U-shaped plate 27 to swing, the U-shaped plate 27 drives the fifth connecting rod 30 to swing, the sixth connecting rod 31 drives the first square plate 28 to swing, the fifth connecting rod 30 drives the second square plate 29 to swing, the first square plate 28 and the second square plate 29 clamp the packaging bag to expand, the end of the packaging bag enters the circular groove 12 to contact the hollow box body 4, and the second motor 23 is closed by the controller.
The controller turns on the first motor 1, the first motor 1 drives the first screw rod 2 to rotate, the first screw rod 2 drives the first slider 3 to move towards the direction close to each other, the first slider 3 drives the fourth connecting rod 20 to swing, the fourth connecting rod 20 drives the third connecting rod 19 to swing, the third connecting rod 19 drives the second arc-opening hollow box 17 to swing, the second arc-opening hollow box 17 drives the second connecting rod 18 and the first connecting rod 16 to swing, the second arc-opening hollow box 17 drives the third hollow pipe 21 to swing, the second connecting rod 18 and the first connecting rod 16 drive the first arc-opening hollow box 15 to swing, the first arc-opening hollow box 15 drives the second arc-opening hollow box 14 to swing until the second arc-opening hollow box 17 and the first arc-opening hollow box 15 contact the packaging bag (pressure sensors are arranged at the arc-opening of the first arc-opening hollow box 15 and the second arc-opening hollow box 17 and the circular groove 12 until. When the air leaks from the packaging bag, the detectors on the first hollow tube 11, the second hollow tube 14 and the third hollow tube 21 detect the molecules, and the detectors send detection results to the controller.
According to the detection result, special treatment is carried out on the corresponding part of the packaging bag during processing, so that the air tightness is improved.
The above disclosure is only for the specific embodiment of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art should fall within the scope of the present invention.
Claims (7)
1. A food package tightness detection device comprises symmetrical round plates (9), and is characterized in that:
the symmetrical circular plates (9) are respectively and fixedly connected with a vertical rod (10);
the symmetrical vertical rods (10) are respectively and fixedly connected with the hollow box body (4);
the symmetrical hollow box bodies (4) are respectively provided with a circular groove (12);
the symmetrical hollow box bodies (4) are respectively fixedly communicated with a first hollow pipe (11);
the symmetrical hollow box bodies (4) are respectively and fixedly connected with symmetrical square rods I (5);
each square rod I (5) is fixedly connected with one end of a cross rod (6) respectively;
the symmetrical transverse rods (6) are respectively and fixedly connected with one end of a second square rod (7);
the symmetrical hollow box bodies (4) are respectively and fixedly connected with two groups of symmetrical first fixing blocks (13);
the symmetrical second square rods (7) are respectively and fixedly connected with a pressing mechanism;
the symmetrical hollow box bodies (4) are respectively and fixedly connected with a detection mechanism.
2. The food package sealability detection apparatus of claim 1 wherein: hold-down mechanism includes the round bar (22) of symmetry, the symmetry the square beam two (7) respectively fixed connection correspond the one end of round bar (22), the symmetry the other end of round bar (22) is fixed connection mounting panel (24) respectively, mounting panel (24) fixed connection symmetrical fixed block two (32), one fixed block two (32) fixed connection motor two (23), the output shaft of motor two (23) passes one fixed block two (32), the one end of the output shaft fixed connection screw rod two (25) of motor two (23), another is connected to the other end bearing of screw rod two (25) fixed block two (32).
3. The food package sealability detection apparatus of claim 2 wherein: two sections of reverse threads of the second screw rod (25) are respectively in threaded connection with a second sliding block (26), the support plate (24) is hinged to one ends of two groups of symmetrical fifth connecting rods (30), the other ends of the five connecting rods (30) in each group are respectively in hinged connection with a U-shaped plate (27), the two symmetrical sliding blocks (26) are respectively in hinged connection with one end of a sixth connecting rod (31), and the other ends of the six symmetrical connecting rods (31) are respectively in hinged connection with the middle parts of the corresponding fifth connecting rods (30).
4. The food package sealability detection apparatus of claim 3 wherein: the six symmetrical connecting rods (31) are fixedly connected with the first square plate (28) respectively, and the five symmetrical connecting rods (30) are fixedly connected with the second square plate (29) respectively.
5. The food package sealability detection apparatus of claim 1 wherein: the detection mechanism comprises four motors I (1), the hollow box bodies (4) are symmetrical and are fixed and symmetrical respectively, four groups of symmetrical fixed blocks I (13) are connected with one ends of screws I (2) through bearings respectively, the output shaft of each motor I (1) is fixedly connected with one end of the corresponding screw I (2), and two sections of reverse threads of each screw I (2) are connected with a sliding block I (3) through threads respectively.
6. The food package sealability detection apparatus of claim 5 wherein: each sliding block I (3) is hinged with one end of a connecting rod IV (20) respectively, the other end of each connecting rod IV (20) is hinged with a connecting rod III (19) respectively, one end of each connecting rod III (19) is hinged with the corresponding hollow box body (4) respectively, the other end of each connecting rod III (19) is hinged with a hollow box II (17) with an arc-shaped opening respectively, the symmetrical hollow box body (4) is hinged to one ends of two groups of symmetrical connecting rods (18) respectively, the middle parts of the two connecting rods (18) are hinged to the corresponding arc-opening hollow box bodies (17) respectively, the other ends of the two connecting rods (18) are hinged to the arc-opening hollow box bodies (15) respectively, each arc-opening hollow box body (17) is hinged to one end of the symmetrical connecting rod body (16) respectively, and the other end of the connecting rod body (16) is hinged to the corresponding arc-opening hollow box body (15) respectively.
7. The food package sealability detection apparatus of claim 6 wherein: each first arc-shaped open hollow box (15) is fixedly communicated with a second hollow tube (14) respectively, and each second arc-shaped open hollow box (17) is fixedly communicated with a third hollow tube (21) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010562041.5A CN111551324A (en) | 2020-06-18 | 2020-06-18 | Food package sealing performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010562041.5A CN111551324A (en) | 2020-06-18 | 2020-06-18 | Food package sealing performance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111551324A true CN111551324A (en) | 2020-08-18 |
Family
ID=72005320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010562041.5A Withdrawn CN111551324A (en) | 2020-06-18 | 2020-06-18 | Food package sealing performance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111551324A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112108405A (en) * | 2020-10-20 | 2020-12-22 | 姜志 | Online gas tightness detection device |
-
2020
- 2020-06-18 CN CN202010562041.5A patent/CN111551324A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112108405A (en) * | 2020-10-20 | 2020-12-22 | 姜志 | Online gas tightness detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201397217Y (en) | Capacitor leakage detection device | |
| CN111610097B (en) | Polymer material four-way or two-way tensile test equipment | |
| CN111551324A (en) | Food package sealing performance detection device | |
| CN109029860A (en) | A kind of food pack gas leak detection device | |
| CN113310629A (en) | A gas tightness detection device for aluminum alloy die casting | |
| CN201107160Y (en) | Accumulator air tightness testing apparatus | |
| CN215678677U (en) | Soft-package battery insulation testing device | |
| CN109470412A (en) | A kind of detecting device for sealing property of ball valves | |
| CN201892609U (en) | Air tightness tester of motorcycle damping cylinder | |
| CN214584518U (en) | Bidirectional tensile testing machine for thin film material | |
| CN216955044U (en) | Dry detection leakage device for pipe | |
| CN205940887U (en) | Test stand for airtightness of casing | |
| CN111366523B (en) | Device for measuring water vapor transmittance of back film | |
| CN113218943A (en) | High-precision testing method and system for plastic thin-wall shell | |
| CN208223337U (en) | Novel cross shaft detection device | |
| CN110231128A (en) | Helium leak test mechanism | |
| CN203203763U (en) | Battery leakage test device | |
| CN216717736U (en) | Closed gas tightness testing platform | |
| CN212275171U (en) | Food vacuum packaging's leakproofness detection device | |
| CN214200954U (en) | Universal tensile testing machine of electron convenient to it is fixed | |
| CN210464838U (en) | Airtight detection device of product of single chip microcomputer control | |
| CN220437972U (en) | PE pipe pressure detection device | |
| CN218003060U (en) | Integrated structure of selective examination equipment and selective examination equipment | |
| CN221100931U (en) | Withstand voltage tester with automatic verification function | |
| CN220795266U (en) | Motor rotation test equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200818 |