CN108709703B - Calibrating device for building outer glass curtain wall testing machine - Google Patents
Calibrating device for building outer glass curtain wall testing machine Download PDFInfo
- Publication number
- CN108709703B CN108709703B CN201810884977.2A CN201810884977A CN108709703B CN 108709703 B CN108709703 B CN 108709703B CN 201810884977 A CN201810884977 A CN 201810884977A CN 108709703 B CN108709703 B CN 108709703B
- Authority
- CN
- China
- Prior art keywords
- curtain wall
- verification
- flow
- simulated
- glass curtain
- 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.)
- Active
Links
- 239000011521 glass Substances 0.000 title claims abstract description 46
- 238000012360 testing method Methods 0.000 title claims description 39
- 238000012795 verification Methods 0.000 claims abstract description 68
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000004088 simulation Methods 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
- G01F25/15—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters specially adapted for gas meters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
- G01L27/002—Calibrating, i.e. establishing true relation between transducer output value and value to be measured, zeroing, linearising or span error determination
- G01L27/005—Apparatus for calibrating pressure sensors
-
- 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
- G01M3/007—Leak detector calibration, standard leaks
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid Mechanics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to a calibrating device for an external glass curtain wall tester of a building, which comprises a simulated curtain wall used for being installed at a detection air opening of a corresponding glass curtain wall tester, wherein the simulated curtain wall is a rigid plate, the air opening is arranged on the simulated curtain wall, a simulated window is arranged on the air opening, a pressure value channel and a flow value channel are arranged on the simulated window, and a gas flowmeter calibrating unit used for calibrating a gas flowmeter of the glass curtain wall tester and a pressure sensor calibrating unit used for calibrating a pressure sensor of the glass curtain wall tester are connected to the simulated window. The invention solves the problem that the laboratory verification environment is inconsistent with the field verification environment in the prior art.
Description
Technical Field
The invention relates to a calibrating device for an outer glass curtain wall tester of a building in the calibrating field.
Background
The glass curtain wall needs to be installed on the building outer wall, and the three physical properties of wind pressure resistance, air permeability and rainwater leakage performance of the glass curtain wall need to be tested and detected. The testing machine capable of testing and detecting the glass curtain wall is called a glass curtain wall testing machine, the existing glass curtain wall testing machine comprises a testing machine frame, a suction fan, a pressure sensor, a gas flowmeter and the like are arranged on the testing machine frame, and the glass curtain wall testing machine further comprises a plurality of standard baffles for testing. When the glass curtain wall is tested, the baffle is firstly arranged on the stand of the testing machine, a detection air opening for the glass curtain wall to detect is formed between the baffle and the stand of the testing machine, then the glass curtain wall is arranged at the detection air opening, the suction fan of the testing machine generates a positive pressure environment and a negative pressure environment, the air leakage performance of the glass curtain wall, namely the air tightness, is detected through the pressure sensor, and the gas flowmeter is used for detecting whether the gas flow generated by the suction fan can meet the test requirement. The purpose of baffle can change the size of detecting the wind gap through increasing and decreasing the baffle to adapt to the glass curtain wall of equidimension not.
According to the verification rules, the pressure sensors and the gas flow meters in the glass curtain wall testing machine are required to be removed and taken to a verification laboratory for verification, and the verification environment of the laboratory is inconsistent with the use environment of the sensors, so that a certain influence is caused on the final verification result.
Disclosure of Invention
The invention aims to provide a calibrating device for an external glass curtain wall tester for a building, which aims to solve the problem that the laboratory calibrating environment is inconsistent with the field use environment in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides an outer glass curtain wall testing machine calibrating installation of building, is including being used for installing the simulation curtain in the testing machine frame of corresponding glass curtain wall testing machine, and the simulation curtain is pieced together by two piece at least closing plates, is provided with the simulation curtain wind gap on one of them closing plate, is provided with the simulation window on the simulation curtain wind gap, and the simulation window is including being used for installing the front side on corresponding closing plate for the simulation window body of windward side, and the simulation window body has and eases the chamber, and the windward side of simulation window body is provided with the intercommunication the wind gap with the air intake that eases the chamber, and the leeward side of simulation window body is provided with pressure value passageway and flow value passageway, calibrating installation still includes the gas flowmeter verification unit that carries out the verification to the gas flowmeter of glass curtain wall testing machine and is used for carrying out the pressure sensor verification unit that the verification to the pressure sensor of glass curtain wall testing machine.
The gas flowmeter verification unit comprises a flow verification gas circuit connected with the flow value channel, at least two standard flowmeters capable of working independently respectively are connected to the flow verification gas circuit, the pressure sensor verification unit comprises a pressure verification gas circuit connected with the pressure value channel, and the pressure verification gas circuit comprises at least two standard pressure sensors working independently respectively.
The lee side of the simulation window is connected with an instrument cabin, and the gas flowmeter verification unit and the pressure sensor verification unit are both arranged in the instrument cabin.
Each standard flowmeter is a one-way flowmeter, the flow verification gas circuit comprises a first flow verification gas circuit and a second flow verification gas circuit which are arranged in parallel, a first switch valve is arranged on the first flow verification gas circuit, a second switch valve is arranged on the second flow verification gas circuit, the air inlet end of each standard flowmeter is connected with the first flow verification gas circuit together with the air inlet circuit, the air outlet end of each standard flowmeter is connected with the second flow verification gas circuit together with the air outlet circuit, and switch valves are arranged on the air outlet circuit, the air inlet circuit and the gas circuit where each standard flowmeter is located.
The beneficial effects of the invention are as follows: when the device is used, the simulated curtain wall made of the rigid plate is arranged at the detection air port on the glass curtain wall tester rack, the pressure sensor of the glass curtain wall tester is detected through the pressure sensor detecting unit connected with the pressure value channel of the simulated window, the gas flowmeter of the glass curtain wall tester is detected through the gas flowmeter detecting unit connected with the flow value channel of the simulated window, the pressure sensor and the gas flowmeter on the glass curtain wall tester are not required to be dismantled, and the detection environments of the pressure sensor and the gas flowmeter on the glass curtain wall tester are ensured to be consistent with the use environments.
Drawings
FIG. 1 is a state of use diagram of one embodiment of the present invention;
FIG. 2 is a schematic illustration of the cooperation of the assay device of FIG. 1 with a glass curtain wall tester;
FIG. 3 is a schematic view of the lifting mechanism of FIG. 1;
FIG. 4 is a schematic view of the structure of the simulation window and the instrument pod of FIG. 1;
FIG. 5 is a schematic view of the structure of the dummy window of FIG. 1;
FIG. 6 is a schematic view of the structure of the windward side of the simulation window of FIG. 5;
FIG. 7 is a schematic view of the leeward side of FIG. 5;
FIG. 8 is a schematic diagram of the mating of the gas flow meter verification unit of FIG. 4 with a simulated window;
FIG. 9 is a schematic diagram of the mating of the pressure sensor verification unit of FIG. 4 with a simulated window.
Detailed Description
An embodiment of a verification device for an exterior glass curtain wall testing machine of a building is shown in fig. 1-9: in the drawing, item 50 represents a tester frame of the glass curtain wall tester, item 51 represents a self-assembled baffle plate of the glass curtain wall tester, and when the glass curtain wall tester is tested, a certain number of baffle plates are required to be installed on the tester frame, and a detection air port is formed between the baffle plates and the tester frame.
The glass curtain wall testing machine calibrating device comprises a simulated curtain wall 52 arranged at a detection air opening, the whole simulated curtain wall is of a strip-shaped structure with the length arranged along the horizontal direction, and the simulated curtain wall is of a rigid plate structure in the embodiment.
The simulated curtain wall 53 is provided with a simulated curtain wall air opening, the simulated curtain wall air opening is provided with a simulated window 2, the rear side of the simulated window is connected with an instrument cabin 12, the simulated window 2 comprises a simulated window body which is arranged on a flexible sealing plate, the front side of the simulated window body is a windward side, the simulated window body comprises a front side plate 4, a rear side plate and four side walls 1 arranged between the front side plate and the rear side plate, the whole simulated window body is of a square structure, the four side walls are of hollow structures, and a relaxation cavity 7 is formed by the front side plate, the rear side plate and the four side walls. The windward side of the simulation window body, namely the front side plate, is provided with a plurality of air inlets 3 which are left and right and communicated with the relaxation cavity, and each air inlet 3 is uniformly arranged at intervals along the circumference of the same circle center. Screw holes 5 with axes extending along the front-rear direction are arranged in the middle and around the front side plate, and the simulation window body can be fixed on the flexible sealing plate through penetrating connecting screws from front to rear when in use. The leeward side, namely the rear side plate, of the simulation window body is provided with a flow value taking channel 17 and a pressure value taking channel 18, wherein the flow value taking channel 17 is positioned at the right rear side of the circle center position surrounded by each air inlet. The leeward side pressure of the dummy window body is provided with a reinforcing rib structure 19 protruding forward. The outer ring of the leeward side of the simulation window is exposed out of the instrument cabin, and the position can be matched with the pressing strip, and the simulation window is pressed and fixed through the pressing strip.
The verification device further comprises a gas flowmeter verification unit 14 connected with the flow value channel 17 and used for verifying a gas flowmeter of the glass curtain wall tester, and a pressure sensor verification unit 16 connected with the pressure value channel and used for verifying a pressure sensor of the glass curtain wall tester. The gas flowmeter verification unit and the pressure sensor verification unit are installed in the instrument cabin 12, and in the invention, the gas flowmeter verification unit comprises a first standard flowmeter 27, a second standard flowmeter 28 and a third standard flowmeter 29, wherein the three measuring range limit values are sequentially increased from small to large, each standard flowmeter is a unidirectional flowmeter, the gas direction passing through the gas flowmeter can only be one direction, a first flow verification gas circuit 21 and a second flow verification gas circuit 22 which are arranged in parallel are connected to a flow value channel, a first switch valve 23 is arranged on the first flow verification gas circuit 21, and a second switch valve 24 is arranged on the second flow verification gas circuit 22. The three standard flow meters are arranged in parallel, the air inlet ends of the three standard flow meters are connected with the first flow verification air passage 21 together with the air inlet passage 25, the air outlet ends of the three standard flow meters are connected with the second flow verification air passage 22 together with the air outlet passage 26, the air inlet passage 25 and the air passages of the standard flow meters are all provided with switching valves, the switching valves of the air passages of the standard flow meters are flow regulating valves, and the switching valves of the air passages of the air outlet passage and the air inlet passage are also flow regulating valves. The pressure sensor verification unit comprises a first standard pressure sensor 32, a second standard pressure sensor 33 and a third standard pressure sensor 34, wherein the three measurement range limit values are sequentially increased from small to large, the standard pressure sensors are arranged in parallel and are connected with a pressure value channel through a first gas circuit, a switching valve and a spiral pipeline 35 are connected in series on the gas circuit of each standard pressure sensor, and the spiral pipeline 35 can further improve gas stability and ensure verification accuracy of the standard pressure sensor. In the drawing, the term 13 denotes an intake pipe communicating with the intake passage, and the term 15 denotes an exhaust pipe communicating with the exhaust passage. Item 41 in the figure shows a gas pressure regulating proportional valve connected between the pressure take-off channel and the flow verification gas circuit; item 42 represents a control panel that is connected to the corresponding instrument in the instrument pod via wireless control.
The verification device further comprises a lifting mechanism, the lifting mechanism is used for simulating lifting on a machine frame of the testing machine, the lifting mechanism comprises a pair of power wire clamping devices 54 which are arranged at intervals, each power wire clamping device 54 comprises a wire clamping device body and two clamping bodies which are oppositely arranged, one clamping body is a fixed clamping body 59 which is fixed relative to the wire clamping device body, the other clamping body is a movable clamping body 58 which is movable relative to the wire clamping device body and is matched with the fixed clamping body to clamp and lift a steel wire rope, each clamping body is provided with a circulating clamping surface for driving the corresponding steel wire rope to move upwards, the power wire clamping device further comprises a driving mechanism for driving the circulating clamping surface of the corresponding steel wire rope to rotate, a pressing rod 56 is hinged to the wire clamping device body, the two pressing rods 56 are connected through a connecting rod 57, the movable clamping body 58 is arranged on the pressing rod, a linkage rod 55 is hinged to the pressing rod, a guide rail 61 which extends along the up-down direction is arranged at the upper end of the wire clamping device body, and a pin roll which is matched with the guide rail in a guide manner is arranged at the upper end of the linkage rod 55. In this embodiment, each clamping body includes a rotating sprocket arranged up and down, and a circulating chain belt is provided on the rotating sprocket, and the circulating clamping surface is formed by the outer peripheral surface of the circulating chain belt. During the use, set up in the round pin axle of gangbar upper end and hang in the test machine frame through the chain, have the promotion wire rope between two circulation grip faces, the standard board is connected to the lower extreme of promotion wire rope, and one of them circulation grip face rotates, and circulation grip face gives the effort that promotes wire rope up, and the promotion wire rope gives the effort that two circulation grip faces were one orientation, because the upper end of gangbar is drawn, therefore two circulation grip faces have and are close to the removal trend to it is tight to promote wire rope, prevent that the promotion wire rope from deviating from.
The instrument cabin is also provided with a power supply and a CPU9 for controlling each switch valve and connected with each standard pressure sensor and each standard flowmeter in a sampling way, wherein a term 10 in the figure indicates the power supply, and the rear side of the instrument cabin is provided with a liquid crystal touch screen 11. When the door and window testing machine 40 is tested, the simulation window is arranged on the flexible sealing plate, the suction fan of the glass curtain wall testing machine can generate positive pressure and negative pressure, and the gas flow meter of the door and window testing machine is tested by taking the example, when the suction fan of the door and window testing machine generates positive pressure, the first switch valve is opened, corresponding to the standard flow meter, the air inlet channel is closed, the air outlet channel is opened, the gas flow meter of the glass curtain wall testing machine can be tested in a positive pressure range, when the suction fan of the glass curtain wall testing machine sucks air to generate negative pressure, the second switch valve is opened, the air inlet channel is closed, the gas flow meter of the door and window testing machine can be tested in a negative pressure range, and through the selection of the air channel, each standard flow meter can be tested in a positive pressure and negative pressure value mode, so that one standard flow meter is omitted, the use of the standard flow meter is reduced, the cost is saved, and the glass curtain wall testing machine can be arranged in a cabin after the number of the standard flow meters is reduced, and high integration is realized. The on-off valves on the air path where the standard flowmeter is located are flow regulating valves, and through the use of the flow regulating valves, the state generation of small flow and high pressure can be realized, and the state of the small flow and the state of the high pressure are the main working states of the door and window testing machine. The multi-working-condition online simulation detection is realized jointly by adjusting the switching valves of the exhaust gas channel and the air inlet channel and the blowing and sucking fan of the door and window testing machine. The plurality of standard flow meters and standard pressure sensors are used to ensure the accuracy of the verification within the corresponding detection range. The verification device can also be used for verifying the glass curtain wall tester.
In other embodiments of the invention, the analog window may also be a single layer structure; the number of standard pressure sensors in the pressure sensor verification unit can be set as required, for example, two, four or other numbers; the number of standard flow meters in the gas flow meter verification unit can also be two, four or other numbers; the spiral tube of the pressure verification gas circuit can be omitted.
Claims (1)
1. The utility model provides a glass curtain wall testing machine calibrating installation outside building which characterized in that: comprises a simulated curtain wall arranged at a detection air opening of a corresponding glass curtain wall testing machine, wherein the simulated curtain wall is a rigid plate, a simulated curtain wall air opening is arranged on the simulated curtain wall, a simulated window is arranged on the simulated curtain wall air opening, a pressure value channel and a flow value channel are arranged on the simulated window, a gas flowmeter verification unit for verifying a gas flowmeter of the glass curtain wall testing machine and a pressure sensor verification unit for verifying a pressure sensor of the glass curtain wall testing machine are connected on the simulated window, the verification device also comprises a lifting mechanism for lifting on a testing machine frame, the lifting mechanism comprises a pair of power wire clamping devices which are arranged at intervals, each power wire clamping device comprises a wire clamping device body and two clamping bodies which are oppositely arranged, one clamping body is a fixed clamping body which is fixed relative to the wire clamping device body, the other clamping body is a movable clamping body which can move relative to the wire clamping body to be matched with the fixed clamping body so as to clamp and lift the steel wire rope, each clamping body is provided with a circulating clamping surface for driving the corresponding steel wire rope to move upwards, the power wire clamping device also comprises a driving mechanism for driving the circulating clamping surface of the fixed clamping body to rotate, the wire clamping body is hinged with a pressing rod, the two pressing rods are connected through a connecting rod, the movable clamping body is arranged on the pressing rod, the pressing rod is hinged with a linkage rod, the upper end of the wire clamping body is provided with a guide rail extending along the up-down direction, the upper end of the linkage rod is provided with a pin roll matched with the guide rail in a guiding and moving way, each clamping body comprises a rotating chain wheel which is arranged up-down, the rotating chain wheel is provided with a circulating chain belt, the circulating clamping surface consists of the outer circumferential surface of the circulating chain belt, the lifting steel wire rope is arranged between the two circulating clamping surfaces, the gas flowmeter unit comprises a flow verification gas path connected with the flow verification channel, the flow verification gas circuit is connected with at least two standard flow meters capable of working independently respectively, the pressure sensor verification unit comprises a pressure verification gas circuit connected with the pressure value channel, the pressure verification gas circuit comprises at least two standard pressure sensors working independently respectively, the leeward side of the simulation window is connected with an instrument cabin, the gas flow meter verification unit and the pressure sensor verification unit are both arranged in the instrument cabin, each standard flow meter is a one-way flow meter, the flow verification gas circuit comprises a first flow verification gas circuit and a second flow verification gas circuit which are arranged in parallel, the first flow verification gas circuit is provided with a first switch valve, the second flow verification gas circuit is provided with a second switch valve, the air inlet end of each standard flow meter is connected with the first flow verification gas circuit together with the air inlet circuit, the air outlet end of each standard flow meter is connected with the second flow verification gas circuit together with the air outlet circuit, the air inlet circuit and the air circuit of each standard flow meter are all provided with switch valves, the standard flow meters are all arranged on the air circuit, and the three standard flow meters are first standard flow meters, the limit value of which are in turn from small to large in size, the second standard flow meters are the third standard flow meters.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018106336283 | 2018-06-20 | ||
| CN201810633628 | 2018-06-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108709703A CN108709703A (en) | 2018-10-26 |
| CN108709703B true CN108709703B (en) | 2024-04-02 |
Family
ID=63875647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810884977.2A Active CN108709703B (en) | 2018-06-20 | 2018-08-06 | Calibrating device for building outer glass curtain wall testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108709703B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254877B (en) * | 2020-09-03 | 2022-10-18 | 河南大亘计量检测研究院有限公司 | Calibrating device of building element testing machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101200968B1 (en) * | 2012-08-31 | 2012-11-13 | 주식회사 디에스윈 | Smart window test apparatus |
| CN203479371U (en) * | 2013-09-17 | 2014-03-12 | 陕西天仪智能仪表有限公司 | Gas flow standard device |
| CN204373928U (en) * | 2015-01-15 | 2015-06-03 | 淮安市计量测试所 | The calibrating device of building doors and windows comprehensive physical performance aircraft |
| CN206904593U (en) * | 2017-03-09 | 2018-01-19 | 佛山市顺德区港华燃气有限公司 | A kind of combustion gas bidirectional measuring regulator |
| CN108173169A (en) * | 2018-01-26 | 2018-06-15 | 郑州东辰科技有限公司 | A kind of power gripper |
| CN208505549U (en) * | 2018-06-20 | 2019-02-15 | 河南省计量科学研究院 | Build outer glass curtain wall testing machine calibrating installation |
-
2018
- 2018-08-06 CN CN201810884977.2A patent/CN108709703B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101200968B1 (en) * | 2012-08-31 | 2012-11-13 | 주식회사 디에스윈 | Smart window test apparatus |
| CN203479371U (en) * | 2013-09-17 | 2014-03-12 | 陕西天仪智能仪表有限公司 | Gas flow standard device |
| CN204373928U (en) * | 2015-01-15 | 2015-06-03 | 淮安市计量测试所 | The calibrating device of building doors and windows comprehensive physical performance aircraft |
| CN206904593U (en) * | 2017-03-09 | 2018-01-19 | 佛山市顺德区港华燃气有限公司 | A kind of combustion gas bidirectional measuring regulator |
| CN108173169A (en) * | 2018-01-26 | 2018-06-15 | 郑州东辰科技有限公司 | A kind of power gripper |
| CN208505549U (en) * | 2018-06-20 | 2019-02-15 | 河南省计量科学研究院 | Build outer glass curtain wall testing machine calibrating installation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108709703A (en) | 2018-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108709696B (en) | Calibrating device for building exterior door and window testing machine | |
| CN208187659U (en) | A kind of test device for external window air tightness detection | |
| CN205426439U (en) | Valve seal nature detection frock | |
| CN204143285U (en) | Temperature/humidity verification box | |
| CN108827625A (en) | A kind of building element testing machine calibrating installation and its simulation window | |
| CN109681417B (en) | Vacuum system | |
| CN108709703B (en) | Calibrating device for building outer glass curtain wall testing machine | |
| CN217358930U (en) | Air resistance detection device of gas filter | |
| CN208688801U (en) | Building element testing machine calibrating installation and its simulation window | |
| CN208313531U (en) | Calibrating installation for the calibrating of glass curtain wall testing machine | |
| CN108731931A (en) | A kind of building element testing machine calibrating installation and calibration method | |
| CN208313532U (en) | Calibrating installation for the calibrating of building curtain wall testing machine | |
| CN208313535U (en) | Door/window testing machine calibrating installation and combinations thereof gas flowmeter | |
| CN108007536A (en) | A kind of valve-embedded condition checkout gear of intelligent gas meter and detection method | |
| CN208313534U (en) | Building external doors and windows testing machine calibrating installation | |
| CN104406794A (en) | Experimental device for detecting aeroengine guider | |
| CN108709699A (en) | A kind of building curtain wall testing machine calibrating installation | |
| CN208313533U (en) | Building curtain wall testing machine calibrating installation | |
| CN204493246U (en) | A kind of lift fan system for air cushion ship model performance curve gauging means | |
| CN108709701B (en) | Calibrating device for on-site door and window detector | |
| CN208505550U (en) | Door/window testing machine calibrating installation and its simulation window | |
| CN111097556A (en) | Environmental test chamber for detecting release amount of volatile pollutants | |
| CN217043924U (en) | Variable air volume control system of fume hood | |
| CN208505549U (en) | Build outer glass curtain wall testing machine calibrating installation | |
| CN208313536U (en) | Live door and window detector calibrating installation |
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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: No. 10 Baifo Road, Guancheng District, Zhengzhou City, Henan Province, 450000 Applicant after: Henan Institute of Metrology and Testing Science Applicant after: ZHENGZHOU DONGCHEN SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 450008 No. 21, Huayuan Road, Henan, Zhengzhou Applicant before: HENAN PROVINCE INSTITUTE OF METROLOGY Country or region before: China Applicant before: ZHENGZHOU DONGCHEN SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |