CN203587362U - Device for testing wind-resistant performance of building blinds - Google Patents

Device for testing wind-resistant performance of building blinds Download PDF

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Publication number
CN203587362U
CN203587362U CN201320623463.4U CN201320623463U CN203587362U CN 203587362 U CN203587362 U CN 203587362U CN 201320623463 U CN201320623463 U CN 201320623463U CN 203587362 U CN203587362 U CN 203587362U
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China
Prior art keywords
vertical beam
fixed pulley
wind resistance
cylinder
force application
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CN201320623463.4U
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Chinese (zh)
Inventor
蒋荃
刘顺利
刘翼
刘婷婷
刘玉军
赵春芝
马丽萍
戚建强
朱生高
林文
郑雪颖
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China Building Material Test and Certification Group Co Ltd
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China Building Material Test and Certification Group Co Ltd
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Abstract

The utility model relates to a device for testing wind-resistant performance of building blinds, and belongs to the building sun-shading product detection field. The device comprises a test rack, a cylinder system, weights, a pulley system, a force application system, displacement sensors and a control system. The cylinder system is installed at the bottom of the test rack; the weights are disposed on a pallet of the cylinder system; and the pallet is connected to the force application system through a pull rope winding the pulley system, and the force application system and the displacement sensors are respectively located at two side of a test sample. According to test methods, about the wind-resistant performance of the building blinds, prescribed in the JG/T239-2009 "External blinds and shutters - Resistance to wind loads - Test methods", loads are applied to or discharged from the sample by utilization of a manner that the weights are driven by a cylinder to move up and down, so that the wind-resistant performance of the building blinds can be tested, and the device is convenient to operate and can be controlled automatically.

Description

A kind of blind wind resistance testing apparatus for building
Technical field:
The utility model belongs to architectural shading product wind resistance detection field, relates to the detection to blind wind resistance for building, specifically a kind of equipment that blind wind resistance for building is detected.
Background technology:
The domestic detection method for awning wind resistance for building is carried out according to the method for JG/T239-2009 < < Building Outside Shading of Window product wind resistance test method > > regulation at present.But domestic also not with the supporting checkout equipment of the method, in JG/T239-2009 < < Building Outside Shading of Window product wind resistance test method > > standard, also just stipulated position, direction and the size of imposed load.
Utility model content:
In order to adapt to the testing requirement of JG/T239-2009 < < Building Outside Shading of Window product wind resistance test method > >, the purpose of this utility model is to provide a kind of blind wind resistance testing apparatus for building.
For achieving the above object, the scheme that the utility model is taked is: a kind of blind wind resistance testing apparatus for building, it is characterized in that, comprise a test stand, on test stand, set up two relative vertical beams, the crossbeam that can move up and down along test stand perpendicular to two vertical beam place plane layouts one in two vertical beam middle and upper parts has mounted test specimen on crossbeam; Therein on a described vertical beam, be provided with one both perpendicular to described two vertical beams, perpendicular to the sliding bar of described crossbeam, in the inner of sliding bar, connect a force application rod again, described force application rod and the both sides that are arranged on the displacement transducer on vertical beam described in another and are respectively in test specimen; On vertical beam described in another root, upper and lower two groups of fixed pulley groups are installed, every group of fixed pulley group has two fixed pulleys; In the bottom of vertical beam described in another root, be fixed with a cylinder equally, on the piston rod of cylinder, be connected with pallet, on pallet, be placed with loading counterweight, on pallet, bolt has two stay cords, walks around respectively a fixed pulley in upper and lower two groups of fixed pulley groups, is connected on described force application rod; Separately there are two bolts to have the stay cord of the counterweight counterweight of suspention, walk around respectively another fixed pulley in upper and lower two groups of fixed pulley groups, be also connected on described force application rod.
Described crossbeam is realized along moving up and down by following structure of test stand: the top at described test stand is fixed with fixed pulley, is fixed with two set collars on described crossbeam, and a wire rope is walked around described fixed pulley and set collar, and counterweight has been fastened in end.
Described testing apparatus also comprises a control system, is electrically connected to described displacement transducer; Described control system is with control panel, and the program chip that sets of the test procedure of stipulating in inside is equipped with according to JG/T239-2009.
Described cylinder is connected with described air pump by a tracheae, and the junction of described tracheae and cylinder is provided with inlet, outlet solenoid valve, and described solenoid valve is electrically connected to control system.
Described vertical beam can move along test stand.
Described fixed pulley group is arranged on vertical beam actively by support, can move according to the size of blind and testing position.
The outer end of described sliding bar is located in a slip ring, and described slip ring is fixed on described vertical beam.
The utility model coordinates JG/T239-2009 < < Building Outside Shading of Window product wind resistance test method > > standard method, designed the checkout equipment that meets its requirement, it utilizes cylinder to drive counterweight to move up and down and realizes and automatically sample applied or discharge load, also can simulated wind pressure direction and size, easy to operate, can robotization control, can be advantageously used in Building Outside Shading of Window product wind resistance is tested.
Accompanying drawing explanation:
Fig. 1 is the utility model assay device structures sketch.
Fig. 2 is the Local map of the A direction of Fig. 1.
Embodiment:
The utility model, according to the requirement of JG/T239-2009 < < Building Outside Shading of Window product wind resistance test method > >, provides a kind of checkout equipment of blind wind resistance for building of practicality.
Checkout equipment of the present utility model, its main composition, referring to shown in Fig. 1 and Fig. 2, comprises test stand, cylinder, counterweight, pulley, force application system, displacement transducer and control system etc., test specimen is that blind is arranged on test stand.
Test stand can be rectangular parallelepiped tower structure, can part be also plank frame.But must there are two vertical beams of relatively setting up 11,11 ' on test stand, an and vertical crossbeam 12 of the vertical beam set up 11,11 ' place plane relative to two.Two vertical beams can move on test stand.Between two vertical beams, have certain interval, crossbeam 12 is positioned at the middle and upper part of this clearance space.Crossbeam 12 can move up and down in this clearance space, and its mode is: crossbeam 12 is locked between vertical beam 16,16 ' by corner brace; On crossbeam 12, there are two set collars 13,13 ', on the top of test stand 1, fix a fixed pulley 14 and counterweight 15, by steel wire penetrating set collar 13,13 ', fixed pulley 14, be connected in counterweight 15, when needing the position of moving beam 12, shed corner brace, pull counterweight 15, adjustable crossbeam 12 moves up and down, to test desired location.
On crossbeam 12, mounted test specimen 8, made test specimen be positioned at two vertical beams 11,11 ' clearance space.
On the fixed seat at bottom 17 of a vertical beam 11 ', be also fixed with a cylinder system therein.As shown in Figure 2, cylinder system comprises cylinder 21, air pump 22, solenoid valve 23 and pallet 24.Cylinder 21 is fixed on holder 17, and cylinder 21, vertical beam 11 ' can move with holder 17; Air pump 22 is connected with cylinder 21 by tracheae; Junction at tracheae and cylinder 21 is provided with solenoid valve 23, comprises air inlet and gives vent to anger two direction solenoid valves; On the piston rod of cylinder 21, be connected with pallet 24, pallet 24 is connected to force application system by stay cord 25, is placed with and loads counterweight 31 on pallet.
Air pump 22 inputs or outputs air to cylinder 21, input and the output quantity of 23 control cylinder 21 interior air of solenoid valve; Pallet 24 is subject to the input of cylinder 21 interior air and output and does upper and lower motion, thereby drive counterweight on pallet to move up and down, sample is applied or discharges load.
Upper at vertical beam 11 ' equally, pulley system is installed.Pulley system is included in each horizontal support 41,41 ' of installing of upper and lower of vertical beam 11 ', and one group of pulley blocks 42,42 ' of each installation on two stands.Support 41,41 ' is both perpendicular to vertical beam 11,11 ', again perpendicular to crossbeam 12; Be to be all arranged on actively vertical beam 11 ' above, can move according to the size of blind and testing position.Pulley blocks 42,42 ' forms by two parallel fixed pulleys, and one of them fixed pulley is walked around by the stay cord 25 of connecting trays 24; Another fixed pulley is walked around by the stay cord 26 that connects counterweight counterweight 32.
Force application system is arranged on another root vertical beam 11, comprise the several slip rings 53 that are fixed on vertical beam 11, when for a sliding bar, be preferably arranged on the medium position of vertical beam with the horizontal sliding bar 51(being through on slip ring, when being two or three sliding bars, preferably be distributed on vertical beam), the other end of sliding bar connects force application rod 52.Sliding bar 51 is both perpendicular to vertical beam 11,11 ', again perpendicular to crossbeam 12, vertical with the plane of blind; Force application rod 52 is connected to the end of sliding bar 51, moves towards consistent with vertical beam 11,11 '.Upper and lower each two stay cords 25,26 of connecting trays 24 and counterweight counterweight 32, walk around respectively pulley blocks 42,42 ' and are connected on force application rod 52, can make sliding bar 51, force application rod 52 free movement in the horizontal direction.
On vertical beam 11 ', towards the inboard level of test stand, with nut, be fixed with at least one displacement transducer 6, can be according to the required adjusting upper-lower position of test, the probe of displacement transducer is relative with force application rod 52, and displacement transducer 6 and force application rod 52 list in respectively the both sides of test specimen to be measured, upper and lower each two stay cords 25,26 are connected on force application rod 52 through the gap of blind test specimen.
In the utility model, counterweight comprises two kinds, it is a kind of that to be two quality be equivalent to the load of 5N for (510 ± 2) g() counterweight counterweight 32, by stay cord 26, be connected to respectively the two ends up and down of force application rod 52, for applying a small equilibrant to force application rod 52 and sliding bar 51, make force application rod 52 when static, naturally abut on blind sample; Counterweight counterweight 32 suspends in midair, is not placed on pallet 24.Another kind is the loading counterweight 31 applying according to simulated wind pressure, and quantity is variable, as load, uses, and is positioned on pallet 24, by cylinder, drives lifting.
In the utility model, control system, with control panel, is inside equipped with the program setting according to the test procedure of stipulating in JG/T239-2009, can demonstrate displacement and deflection that blind loads front and back; And solenoid valve and displacement transducer manipulative procedure are housed, and be electrically connected to solenoid valve 23, can control the open and close of solenoid valve 23, to realize automatically applying or discharging of load; Be electrically connected to the signal that received bit displacement sensor transmits with displacement transducer 6.
Utilize this checkout equipment to test blind wind resistance for building, operation steps is as follows:
1. sample is installed on the crossbeam of test stand and by it in buttoned-up status, measures and record the length L of sample.
2. displacement transducer and force application rod being moved to desired position in JG/T239-2009 is fixed again;
3. size and wind resistance rating calculation per sample goes out rated load F n, safety load F sand the quality of required loading counterweight and corresponding number.
4. two quality being to the load of 5N for (510 ± 2) g() counterweight walks around fixed pulley by wire rope, through the gap of sample, is connected on force application rod.Simultaneously by pallet in unloading position and load counterweight.
5. by control system, apply initial load 5min, and record the initial distance of blind: D1 0, D2 0, D3 0.
6. by control system imposed load F n, load 5min, unload 2min, record the distance of blind: D1, D2, D3; Record deflection: d1, d2, d3 simultaneously; Observe and record and whether be damaged or functional disorder;
7. sample is oppositely closed completely, repeat above-mentioned test procedure 6;
8. whether by control system imposed load Fs, loading 5min, repeats above-mentioned test procedure 6 and 7, observe and record to be damaged and functional disorder.
9. calculate change in displacement rate, i.e. d1/L * 100%, d2/L * 100%, d3/L * 100%.Experiment finishes.

Claims (7)

1. a blind wind resistance testing apparatus for building, is characterized in that, comprises a test stand,
On test stand, set up two relative vertical beams, the crossbeam that can move up and down along test stand perpendicular to two vertical beam place plane layouts one in two vertical beam middle and upper parts has mounted test specimen on crossbeam;
Therein on a described vertical beam, be provided with one both perpendicular to described two vertical beams, perpendicular to the sliding bar of described crossbeam, in the inner of sliding bar, connect a force application rod again, described force application rod and the both sides that are arranged on the displacement transducer on vertical beam described in another and are respectively in test specimen;
On vertical beam described in another root, upper and lower two groups of fixed pulley groups are installed, every group of fixed pulley group has two fixed pulleys; In the bottom of vertical beam described in another root, be fixed with a cylinder equally, on the piston rod of cylinder, be connected with pallet, on pallet, be placed with loading counterweight, on pallet, bolt has two stay cords, walks around respectively a fixed pulley in upper and lower two groups of fixed pulley groups, is connected on described force application rod;
Separately there are two bolts to have the stay cord of the counterweight counterweight of suspention, walk around respectively another fixed pulley in upper and lower two groups of fixed pulley groups, be also connected on described force application rod.
2. blind wind resistance testing apparatus for building according to claim 1, it is characterized in that, described crossbeam is realized along moving up and down by following structure of test stand: the top at described test stand is fixed with fixed pulley, on described crossbeam, be fixed with two set collars, one wire rope is walked around described fixed pulley and set collar, and counterweight has been fastened in end.
3. blind wind resistance testing apparatus for building according to claim 1, is characterized in that, described testing apparatus also comprises a control system, is electrically connected to described displacement transducer; Described control system is with control panel.
4. blind wind resistance testing apparatus for building according to claim 3, it is characterized in that, described cylinder is connected with described air pump by a tracheae, and the junction of described tracheae and cylinder is provided with inlet, outlet solenoid valve, and described solenoid valve is electrically connected to control system.
5. blind wind resistance testing apparatus for building according to claim 1, is characterized in that, described vertical beam moves along test stand.
6. blind wind resistance testing apparatus for building according to claim 1, is characterized in that, described fixed pulley group is arranged on vertical beam actively by support.
7. blind wind resistance testing apparatus for building according to claim 1, is characterized in that, the outer end of described sliding bar is located in a slip ring, and described slip ring is fixed on described vertical beam.
CN201320623463.4U 2013-10-10 2013-10-10 Device for testing wind-resistant performance of building blinds Active CN203587362U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320623463.4U CN203587362U (en) 2013-10-10 2013-10-10 Device for testing wind-resistant performance of building blinds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320623463.4U CN203587362U (en) 2013-10-10 2013-10-10 Device for testing wind-resistant performance of building blinds

Publications (1)

Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104655444A (en) * 2015-03-19 2015-05-27 常州工学院 Quality detection device for door/window screen and using method thereof
CN105136470A (en) * 2015-08-17 2015-12-09 南京汽车集团有限公司 Automotive back door over-open loading device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104655444A (en) * 2015-03-19 2015-05-27 常州工学院 Quality detection device for door/window screen and using method thereof
CN104655444B (en) * 2015-03-19 2017-03-15 常州工学院 A kind of quality detection device of door and window gauze and its using method
CN105136470A (en) * 2015-08-17 2015-12-09 南京汽车集团有限公司 Automotive back door over-open loading device

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