CN112857972A - Movable building steel structure quality detection device - Google Patents
Movable building steel structure quality detection device Download PDFInfo
- Publication number
- CN112857972A CN112857972A CN202110115991.8A CN202110115991A CN112857972A CN 112857972 A CN112857972 A CN 112857972A CN 202110115991 A CN202110115991 A CN 202110115991A CN 112857972 A CN112857972 A CN 112857972A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 45
- 238000001514 detection method Methods 0.000 title claims abstract description 45
- 239000010959 steel Substances 0.000 title claims abstract description 45
- 238000010276 construction Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 6
- 238000003466 welding Methods 0.000 description 13
- 238000009434 installation Methods 0.000 description 4
- 238000009435 building construction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009778 extrusion testing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention belongs to the technical field of detection devices, and particularly relates to a mobile building steel structure quality detection device which aims at the problems that the existing detection device is inconvenient to use, poor in steel structure fixing effect and low in continuous detection efficiency, and accuracy of a detection result is greatly influenced. The invention can adjust the position of the pressing plate according to the detection requirement, is convenient to use, has good fixing effect on the steel structure during detection, has high detection efficiency and greatly improves the accuracy of the detection result.
Description
Technical Field
The invention relates to the technical field of detection devices, in particular to a mobile building steel structure quality detection device.
Background
As is well known, a building steel structure quality detection device is an auxiliary device which is used for performing extrusion test on a building steel structure in the building construction process so as to better understand the compression resistance degree of the building steel structure, thereby ensuring the building quality, and is widely used in the field of building steel structures; the existing building steel structure quality detection device comprises a placing plate, four groups of supporting rods, a top plate, a pressure applying cylinder, telescopic rods and a pressure moving block, wherein the four groups of supporting rods are respectively arranged on the left front side, the left rear side, the right front side and the right rear side of the top end of the placing plate, the top ends of the four groups of supporting rods are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the top plate, the pressure applying cylinder is arranged at the top end of the top plate, the telescopic rods are installed at the bottom output end of the pressure applying cylinder, the bottom end of each telescopic rod is provided with a pressure detector, the lower end of each pressure detector is provided with a pressure detection sheet; when the building steel structure quality detection device is used, a steel structure is placed on the placing plate, the pressing cylinder is started to drive the pressing block to move longitudinally after the steel structure is placed, the steel structure is pressed, the steel structure is bent under the action of the pressing block and the placing plate, and the pressure value on the pressure detector is recorded in real time.
But this kind of detection device of current uses inconveniently, is not good to the fixed effect of steel construction moreover, lasts detection efficiency low, great influence the accuracy of testing result.
Disclosure of Invention
The invention aims to solve the defects that the existing detection device is inconvenient to use, has poor fixing effect on a steel structure and low continuous detection efficiency, and greatly influences the accuracy of a detection result, and provides the mobile detection device for the quality of the steel structure of the building.
In order to achieve the purpose, the invention adopts the following technical scheme:
a mobile construction steel structure quality detection device comprises a bottom plate, wherein two brackets are symmetrically and fixedly arranged on the bottom plate, rotating rods are symmetrically and fixedly arranged on the two brackets, guide wheels are fixedly arranged on the two rotating rods, a placing plate is fixedly arranged at the top of the bottom plate, a plurality of guide cylinders are rotatably arranged at the top of the placing plate, two baffle plates are symmetrically and fixedly arranged at the top of the placing plate, two side plates are symmetrically and fixedly arranged at the top of the bottom plate, the same top plate is fixedly arranged at the tops of the two side plates, first mounting plates are respectively and slidably arranged on the two side plates, clamping plates are respectively and fixedly arranged on the two first mounting plates, the same sliding plate is slidably arranged on the two side plates, one end of a connecting rod is fixedly arranged on the sliding plate, supporting plates are respectively and slidably arranged on the two side plates, the same fixing plate, the other end fixed mounting of connecting rod has the clamp plate on the fixed plate, and slidable mounting has the screw rod on the second mounting panel, and the top fixed mounting of screw rod has the knob, and the bottom of screw rod is rotated and is installed on the clamp plate, and the top fixed mounting of roof has driving motor, and the one end of drive shaft is fixed mounting on driving motor's the output shaft.
Preferably, the sliding grooves are formed in the two first mounting plates, the limiting rods are fixedly mounted in the two sliding grooves, and the supporting rods are slidably mounted on the two limiting rods.
Preferably, the two sliding grooves are internally and fixedly provided with pressure springs, and the two pressure springs are fixedly connected with the two supporting rods correspondingly.
Preferably, the top ends of the two transmission rods are movably mounted on the sliding plate, and the bottom ends of the two transmission rods are correspondingly movably mounted on the two support rods.
Preferably, the top of the top plate is fixedly provided with a mounting box, and the driving motor is fixedly arranged in the mounting box.
Preferably, the second mounting plate is provided with a sliding rod in a sliding manner, and the second mounting plate is fixedly mounted at the bottom end of the sliding rod.
Preferably, the other end of the driving shaft is fixedly provided with a sector gear, the fixing plate is provided with a mounting groove, and two racks are fixedly mounted in the mounting groove.
Preferably, sliding holes are formed in the two side plates, and the two first mounting plates are correspondingly slidably mounted in the two sliding holes.
Compared with the prior art, the invention has the advantages that:
(1) the scheme is characterized in that the device is provided with a bottom plate, a bracket, a rotating rod, a guide wheel, a placing plate, a guide cylinder, a baffle, a side plate, a top plate, a first mounting plate, a clamping plate, a sliding chute, a limiting rod, a supporting rod, a pressure spring, a transmission rod, a sliding plate, a connecting rod, a supporting plate, a fixing plate, a second mounting plate, a sliding rod, a pressing plate, a mounting box, a driving motor, a driving shaft, a sector gear, a mounting groove and a rack, the driving shaft is driven by the driving motor to rotate, the driving shaft drives the fixing plate to move up and down, the fixing plate drives the pressing plate to move, the pressing plate can strike and extrude the steel structure through moving, meanwhile, the fixed plate drives the sliding plate to move through the connecting rod, the sliding plate drives the two first mounting plates to move, the two first mounting plates drive the clamping plate to move to clamp and fix the steel structure, the stability of the steel structure is ensured, the detection efficiency is high, the effect is good, and the accuracy of a detection result is greatly improved;
(2) this scheme is through having set up screw rod, knob, can drive the screw rod through rotating the knob and rotate, and the screw rod drives the clamp plate and removes to can adjust the position of clamp plate, it is very convenient to use.
The invention can adjust the position of the pressing plate according to the detection requirement, is convenient to use, has good fixing effect on the steel structure during detection, has high detection efficiency and greatly improves the accuracy of the detection result.
Drawings
FIG. 1 is a schematic structural diagram of a mobile construction steel structure quality detection device provided by the invention;
FIG. 2 is a schematic side view of a part of the structure of a mobile construction steel structure quality detection device according to the present invention;
fig. 3 is a schematic structural view of a driving shaft, a sector gear and the like of the mobile construction steel structure quality detection device provided by the invention;
FIG. 4 is a schematic structural view of part A of FIG. 1 of a mobile construction steel structure quality detection device according to the present invention;
fig. 5 is a schematic structural view of part B of fig. 2 of a mobile construction steel structure quality detection device according to the present invention.
In the figure: 1. a base plate; 2. a support; 3. a rotating rod; 4. a guide wheel; 5. placing the plate; 6. a material guide cylinder; 7. a baffle plate; 8. a side plate; 9. a top plate; 10. a first mounting plate; 11. a splint; 12. a chute; 13. a limiting rod; 14. a support bar; 15. a pressure spring; 16. a transmission rod; 17. a slide plate; 18. a connecting rod; 19. a support plate; 20. a fixing plate; 21. a second mounting plate; 22. a slide bar; 23. pressing a plate; 24. a screw; 25. a knob; 26. mounting a box; 27. a drive motor; 28. a drive shaft; 29. a sector gear; 30. mounting grooves; 31. a rack.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-5, a mobile construction steel structure quality detection device comprises a bottom plate 1, two brackets 2 are symmetrically and fixedly installed on the bottom plate 1, rotating rods 3 are respectively and rotatably installed on the two brackets 2, guide wheels 4 are respectively and fixedly installed on the two rotating rods 3, a placing plate 5 is fixedly installed on the top of the bottom plate 1, a plurality of material guide cylinders 6 are rotatably installed on the top of the placing plate 5, two baffle plates 7 are symmetrically and fixedly installed on the top of the placing plate 5, two side plates 8 are symmetrically and fixedly installed on the top of the bottom plate 1, the same top plate 9 is fixedly installed on the top of the two side plates 8, first mounting plates 10 are respectively and slidably installed on the two side plates 8, clamping plates 11 are respectively and fixedly installed on the two first mounting plates 10, the same sliding plate 17 is slidably installed on the two side plates 8, one end of a connecting rod 18 is fixedly installed on the, the two supporting plates 19 are fixedly provided with the same fixing plate 20, the bottom of the fixing plate 20 is fixedly provided with a second mounting plate 21, the other end of the connecting rod 18 is fixedly arranged on the fixing plate 20, the second mounting plate 21 is provided with a pressing plate 23 in a sliding manner, the second mounting plate 21 is provided with a screw rod 24 in a threaded manner, the top end of the screw rod 24 is fixedly provided with a knob 25, the bottom end of the screw rod 24 is rotatably arranged on the pressing plate 23, the top of the top plate 9 is fixedly provided with a driving motor 27, and the output shaft of the driving motor 27 is fixedly provided.
In this embodiment, all seted up spout 12 on two first mounting panels 10, equal fixed mounting has gag lever post 13 in two spouts 12, and equal slidable mounting has bracing piece 14 on two gag lever posts 13, has ensured the stable slip of two bracing pieces 14.
In this embodiment, equal fixed mounting has pressure spring 15 in two spouts 12, and two pressure springs 15 correspond fixed connection with two bracing pieces 14 for can drive two first mounting panels 10 earlier and remove when two bracing pieces 14 remove.
In this embodiment, the sliding plate 17 is movably mounted with top ends of two transmission rods 16, and bottom ends of the two transmission rods 16 are correspondingly movably mounted on the two support rods 14, so that the sliding plate 17 can drive the two support rods 14 to move when moving.
In this embodiment, the top of the top plate 9 is fixedly installed with the installation box 26, and the driving motor 27 is fixedly installed in the installation box 26, so as to ensure the stable operation of the driving motor 27.
In this embodiment, the sliding rod 22 is slidably mounted on the second mounting plate 21, and the second mounting plate 21 is fixedly mounted at the bottom end of the sliding rod 22, so that the second mounting plate 21 can stably move.
In this embodiment, a sector gear 29 is fixedly mounted at the other end of the driving shaft 28, a mounting groove 30 is formed in the fixing plate 20, and two racks 31 are fixedly mounted in the mounting groove 30, so that the driving shaft 28 can rotate to drive the fixing plate 20 to move up and down.
In this embodiment, all seted up the sliding hole on two curb plates 8, two first mounting panels 10 correspond slidable mounting in two sliding holes, have guaranteed the steady slip of two first mounting panels 10.
Example two
Referring to fig. 1-5, a mobile construction steel structure quality detection device comprises a bottom plate 1, two brackets 2 are symmetrically and fixedly installed on the bottom plate 1 through welding, rotating rods 3 are respectively and rotatably installed on the two brackets 2, guide wheels 4 are respectively and fixedly installed on the two rotating rods 3 through welding, a placing plate 5 is fixedly installed on the top of the bottom plate 1 through welding, a plurality of material guiding cylinders 6 are rotatably installed on the top of the placing plate 5, two baffle plates 7 are symmetrically and fixedly installed on the top of the placing plate 5, two side plates 8 are symmetrically and fixedly installed on the top of the bottom plate 1 through welding, the same top plate 9 is fixedly installed on the tops of the two side plates 8 through welding, first mounting plates 10 are respectively and slidably installed on the two side plates 8, clamping plates 11 are fixedly installed on the two first mounting plates 10 through welding, and the same sliding plate 17 is slidably installed on the, one end of a connecting rod 18 is installed on the sliding plate 17 through welding and fixing, support plates 19 are installed on the two side plates 8 in a sliding mode, the same fixing plate 20 is installed on the two support plates 19 through welding and fixing, a second mounting plate 21 is installed at the bottom of the fixing plate 20 through welding and fixing, the other end of the connecting rod 18 is installed on the fixing plate 20 through welding and fixing, a pressing plate 23 is installed on the second mounting plate 21 in a sliding mode, a screw rod 24 is installed on the second mounting plate 21 in a threaded mode, a knob 25 is installed on the top end of the screw rod 24 through welding and fixing, the bottom end of the screw rod 24 is installed on the pressing plate 23 in a rotating mode, a driving motor 27 is installed at the top of the top.
In this embodiment, all seted up spout 12 on two first mounting panels 10, all installed gag lever post 13 through welded fastening in two spout 12, equal slidable mounting has bracing piece 14 on two gag lever posts 13, has ensured the stable slip of two bracing pieces 14.
In this embodiment, all there is pressure spring 15 through welded fastening in two spouts 12, and two pressure springs 15 correspond fixed connection with two bracing pieces 14 for can drive two first mounting panels 10 earlier and remove when two bracing pieces 14 remove.
In this embodiment, the sliding plate 17 is movably mounted with top ends of two transmission rods 16, and bottom ends of the two transmission rods 16 are correspondingly movably mounted on the two support rods 14, so that the sliding plate 17 can drive the two support rods 14 to move when moving.
In this embodiment, the top of the top plate 9 is fixedly provided with a mounting box 26 by welding, and the driving motor 27 is fixedly arranged in the mounting box 26 by screws, so that the stable operation of the driving motor 27 is ensured.
In this embodiment, the sliding rod 22 is slidably mounted on the second mounting plate 21, and the second mounting plate 21 is fixedly mounted at the bottom end of the sliding rod 22 by welding, so that the stable movement of the second mounting plate 21 is ensured.
In this embodiment, the other end of the driving shaft 28 is fixedly welded with a sector gear 29, the fixing plate 20 is provided with an installation groove 30, and two racks 31 are fixedly welded in the installation groove 30, so that the driving shaft 28 can rotate to drive the fixing plate 20 to move up and down.
In this embodiment, all seted up the sliding hole on two curb plates 8, two first mounting panels 10 correspond slidable mounting in two sliding holes, have guaranteed the steady slip of two first mounting panels 10.
In the embodiment, when a steel structure needs to be detected, the device is moved to a proper position through a plurality of guide wheels 4, the steel structure is placed on the placing plate 5, the steel structure is pushed to the proper position through a plurality of guide cylinders 6, the driving motor 27 is connected to a power supply, the driving motor 27 is started, the driving motor 27 drives the driving shaft 28 to rotate, the driving shaft 28 drives the sector gear 29 to rotate, the sector gear 29 drives the fixing plate 20 to move up and down through cooperation with the two racks 31, the fixing plate 20 drives the second mounting plate 21 to move, the second mounting plate 21 drives the pressing plate 23 to move, the pressing plate 23 extrudes the steel structure through movement, the fixing plate 20 drives the sliding plate 17 to move through the connecting rod 18, the sliding plate 17 drives the two support rods 14 to move through the two drive rods 16, due to the elastic action of the two pressure springs 15, the two support rods, two first mounting panels 10 drive two splint 11 and remove, and two splint 11 fix the steel construction centre gripping through removing, have ensured the stability of steel construction when detecting to can drive screw rod 24 through rotating knob 25 and rotate, screw rod 24 drives clamp plate 23 and removes, thereby can change the position of clamp plate 23, it is very convenient to use.
The above description is only a 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 as the technical solutions and the inventive concepts of the present invention in the technical scope of the present invention.
Claims (8)
1. The movable building steel structure quality detection device comprises a bottom plate (1) and is characterized in that two supports (2) are symmetrically and fixedly mounted on the bottom plate (1), rotating rods (3) are rotatably mounted on the two supports (2), guide wheels (4) are fixedly mounted on the two rotating rods (3), a placing plate (5) is fixedly mounted at the top of the bottom plate (1), a plurality of material guide cylinders (6) are rotatably mounted at the top of the placing plate (5), two baffle plates (7) are symmetrically and fixedly mounted at the top of the placing plate (5), two side plates (8) are symmetrically and fixedly mounted at the top of the bottom plate (1), the same top plate (9) is fixedly mounted at the tops of the two side plates (8), first mounting plates (10) are slidably mounted on the two side plates (8), and clamping plates (11) are fixedly mounted on the two first mounting plates (10), sliding mounting has same slide (17) on two curb plate (8), fixed mounting has the one end of connecting rod (18) on slide (17), equal sliding mounting has backup pad (19) on two curb plate (8), fixed mounting has same fixed plate (20) on two backup pad (19), the bottom fixed mounting of fixed plate (20) has second mounting panel (21), the other end fixed mounting of connecting rod (18) is on fixed plate (20), sliding mounting has clamp plate (23) on second mounting panel (21), threaded mounting has screw rod (24) on second mounting panel (21), the top fixed mounting of screw rod (24) has knob (25), the bottom of screw rod (24) is rotated and is installed on clamp plate (23), the top fixed mounting of roof (9) has driving motor (27), fixed mounting has the one end of drive shaft (28) on the output shaft of driving motor (27).
2. The mobile construction steel structure quality detection device according to claim 1, wherein the two first mounting plates (10) are respectively provided with a sliding groove (12), the two sliding grooves (12) are respectively and fixedly provided with a limiting rod (13), and the two limiting rods (13) are respectively and slidably provided with a support rod (14).
3. The mobile construction steel structure quality detection device according to claim 2, wherein a pressure spring (15) is fixedly installed in each of the two sliding grooves (12), and the two pressure springs (15) are correspondingly and fixedly connected with the two support rods (14).
4. The mobile construction steel structure quality detection device according to claim 1, wherein the sliding plate (17) is movably provided with top ends of two transmission rods (16), and bottom ends of the two transmission rods (16) are correspondingly movably provided on the two support rods (14).
5. The mobile construction steel structure quality detection device as claimed in claim 1, wherein a mounting box (26) is fixedly mounted on the top of the top plate (9), and the driving motor (27) is fixedly mounted in the mounting box (26).
6. The mobile construction steel structure quality detection device according to claim 1, wherein the second mounting plate (21) is slidably mounted with a slide bar (22), and the second mounting plate (21) is fixedly mounted at the bottom end of the slide bar (22).
7. The mobile construction steel structure quality detection device according to claim 1, wherein a sector gear (29) is fixedly mounted at the other end of the driving shaft (28), a mounting groove (30) is formed in the fixing plate (20), and two racks (31) are fixedly mounted in the mounting groove (30).
8. The mobile construction steel structure quality detection device according to claim 1, wherein two side plates (8) are provided with sliding holes, and the two first mounting plates (10) are correspondingly and slidably mounted in the two sliding holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110115991.8A CN112857972A (en) | 2021-01-28 | 2021-01-28 | Movable building steel structure quality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110115991.8A CN112857972A (en) | 2021-01-28 | 2021-01-28 | Movable building steel structure quality detection device |
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| Publication Number | Publication Date |
|---|---|
| CN112857972A true CN112857972A (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110115991.8A Pending CN112857972A (en) | 2021-01-28 | 2021-01-28 | Movable building steel structure quality detection device |
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| CN (1) | CN112857972A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115484196A (en) * | 2021-06-15 | 2022-12-16 | 宁夏鸿睿鑫电子科技有限责任公司 | Network communication equipment protocol test system |
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| CN210442008U (en) * | 2019-09-23 | 2020-05-01 | 上海鼎艺冶金科技有限公司 | Steel construction engineering fastening detection device |
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| CN212144321U (en) * | 2020-03-23 | 2020-12-15 | 蔡开义 | Tensile aligning device of construction steel bar |
| CN212275438U (en) * | 2020-03-03 | 2021-01-01 | 李婧 | Building wall compressive strength check out test set |
| CN212340877U (en) * | 2020-04-02 | 2021-01-12 | 成都科丰芯缘科技有限公司 | Detection device for vehicle steel plate performance |
| CN212397796U (en) * | 2020-04-28 | 2021-01-26 | 湖州博星科技有限公司 | Steel structure machining equipment |
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2021
- 2021-01-28 CN CN202110115991.8A patent/CN112857972A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5412995A (en) * | 1994-06-10 | 1995-05-09 | Factory Mutual Research Corporation | Single-ply roof cover fatigue tester |
| CN207051120U (en) * | 2017-08-09 | 2018-02-27 | 李晓龙 | A kind of device for detecting structural steel intensity |
| CN208109565U (en) * | 2018-02-23 | 2018-11-16 | 泉州南一工业设计服务有限公司 | A kind of construction steel structure quality detection device |
| US20200171890A1 (en) * | 2018-11-08 | 2020-06-04 | Citic Dicastal Co., Ltd | On-line wheel airtightness detecting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115484196A (en) * | 2021-06-15 | 2022-12-16 | 宁夏鸿睿鑫电子科技有限责任公司 | Network communication equipment protocol test system |
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Application publication date: 20210528 |
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