CN206683665U - Instrument fixed support and analogue noise test system - Google Patents

Instrument fixed support and analogue noise test system Download PDF

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Publication number
CN206683665U
CN206683665U CN201720490092.5U CN201720490092U CN206683665U CN 206683665 U CN206683665 U CN 206683665U CN 201720490092 U CN201720490092 U CN 201720490092U CN 206683665 U CN206683665 U CN 206683665U
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CN
China
Prior art keywords
support
support meanss
instrument
stabilising arrangement
test system
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.)
Expired - Fee Related
Application number
CN201720490092.5U
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Chinese (zh)
Inventor
李雨珂
曾旸
陆柏函
严媛
陈新月
李�权
黄跃峰
郭小平
张晶
孙伟
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Beijing Forestry University
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Beijing Forestry University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Forestry University filed Critical Beijing Forestry University
Priority to CN201720490092.5U priority Critical patent/CN206683665U/en
Application granted granted Critical
Publication of CN206683665U publication Critical patent/CN206683665U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

It the utility model is related to technology of instrument and meter field, more particularly to a kind of instrument fixed support and analogue noise test system.The instrument fixed support, suitable for the analogue noise test system based on forest belt, including support meanss and stabilising arrangement;The support meanss are used to connect instrument, and are provided with the support meanss at one or many places label;The label is used to show preset height;The stabilising arrangement and the dismantled and assembled connection of the support meanss, the stabilising arrangement are used to support the support meanss.The analogue noise test system, including described instrument fixed support.The purpose of this utility model is to provide instrument fixed support and analogue noise test system, to solve the technical problem that the fixation procedure of simulated sound source and noise analyzer present in prior art is cumbersome, takes time and effort.

Description

Instrument fixed support and analogue noise test system
Technical field
It the utility model is related to technology of instrument and meter field, more particularly to a kind of instrument fixed support and analogue noise test System.
Background technology
Expanded with the high speed of modern city, urban highway traffic also continues to develop, while is also brought to roadside Substantial amounts of traffic noise pollution;Life of the noise pollution to people causes huge puzzlement.Therefore using the side of high efficient and reliable Method, which reduces traffic noise, turns into a big study hotspot in recent years;Wherein, accurate measurement and Analyze noise signal are that specific aim prevents Noise is controlled, and effectively solves the problems, such as the premise of pollution from environmental noise.
In order to reduce influence of the traffic noise to people's normal life, typically plant forest belt in the both sides of road, with up to Make the normal life of its purpose, finally guarantee people that decay to traffic noise is absorbed.Difference is made an uproar in order to obtain different forest belts The influence situation of acoustic frequency decay, the test of forest belt analogue noise decay is carried out.In the analogue noise attenuation test of forest belt, if Put noise of the simulation sound source with a variety of covering senior middle schools low frequency, the noise reduction in varying level direction position, different vertical direction position Effect is tested and analyzed, to disclose noise spatially attenuation.
In the analogue noise attenuation test of forest belt, how rational fixed-analog sound source and noise analyzer are critically important One of factor.There is not suitable equipment to be used to test.
In the analogue noise attenuation test of forest belt, the fixed form of testing position of sound source and noise analyzer is simulated such as Under:
1st, the fixation of sound source is simulated:It is fixed on usually using glass rope by sound source is simulated on camera trivets, and uses tape measure Measure, adjust the preset height of simulation sound source, such as 1.2m;The predeterminated position of which fixed-analog sound source, its process is cumbersome, consumption It is time-consuming longer.
2nd, the fixation of noise analyzer:It is independently assembled with the rope made of hemp and metallic rod, one or more noise analyzer is set Put the different height in metallic rod.When the predeterminated position of noise analyzer is fixed, different height is measured with tape measure, its mistake Journey is cumbersome, wastes time and energy.Further, since the preset height of metallic rod is higher, such as height is more than 4.5m, therefore upright metallic bar When need 2 people more than hand steered fixation, take human resources it is more.
Therefore, this application provides a kind of instrument fixed support and analogue noise test system regarding to the issue above.
Utility model content
The purpose of this utility model is to provide instrument fixed support, with solve simulated sound source present in prior art and The technical problem that the fixation procedure of noise analyzer is cumbersome, takes time and effort.
The purpose of this utility model, which also resides in, provides analogue noise test system, to solve to simulate present in prior art The technical problem that the fixation procedure of sound source and noise analyzer is cumbersome, takes time and effort.
Based on above-mentioned first purpose, instrument fixed support provided by the utility model, made an uproar suitable for the simulation based on forest belt Sounding test system, including support meanss and stabilising arrangement;
The support meanss are used to connect instrument, and are provided with the support meanss at one or many places label;Institute Label is stated to be used to show preset height;
The stabilising arrangement and the dismantled and assembled connection of the support meanss, the stabilising arrangement are used to support the support dress Put.
Optimal technical scheme of the present utility model is, the stabilising arrangement include at least three along the support meanss week To the pole set gradually;One end of each pole can be fixedly connected with the support meanss, and the other end is away from described Support meanss;
Each axial direction of the pole is set with the axial direction of the support meanss in angle.
Optimal technical scheme of the present utility model is, the stabilising arrangement is included in the stabilization that is connected with each pole Center portion, the stable central part can be fixedly connected with the support meanss;
The stable central part with the connected mode of the support meanss be spirally connected, clamping or flange are connected.
Optimal technical scheme of the present utility model is that the label includes graduation mark and/or fixture;
When the label includes graduation mark, the graduation mark is axially arranged along the support meanss;
When the label includes fixture, the fixture is used to be fixedly connected with instrument.
Optimal technical scheme of the present utility model is that the support meanss axially include the multiple supports being spirally connected successively along it Connecting portion;Or the support meanss are expansion link.
Based on above-mentioned second purpose, analogue noise test system provided by the utility model, including described instrument are fixed Support.
Optimal technical scheme of the present utility model is that the instrument fixed support includes being used to be fixedly connected with simulation sound source Pallet, the one end of the support meanss away from the stabilising arrangement are connected with the pallet;The pallet can be along the support The axial reciprocating movement of device;
The pallet is connected with least one leveling bubble.
Optimal technical scheme of the present utility model is that the instrument fixed support includes solar protection devices;The pallet and/or The support meanss are connected with the solar protection devices, and the solar protection devices can relative to the pallet adjust angle and/or Highly;
The surface area on one surface of maximum of the solar protection devices is not less than the half of the tray area.
Optimal technical scheme of the present utility model is that the support bracket fastened label of instrument includes being used to be fixedly connected to make an uproar The fixture of sound analyzer;The quantity of the label is multiple;
The stabilising arrangement includes at least three poles, and at least three pole can be along the axial direction of the support meanss It is fixedly connected successively with the support meanss, and circumference of at least three pole along the support meanss is set gradually.
Optimal technical scheme of the present utility model is that the one end of the support meanss away from the stabilising arrangement is provided with fixed Pulley;
The instrument fixed support includes rope;One end of the rope is connected with the fixture, and the other end bypasses institute State fixed pulley and extend to the stabilising arrangement.
The beneficial effects of the utility model:
Instrument fixed support provided by the utility model, including support meanss and stabilising arrangement;Pass through stabilising arrangement and branch The dismantled and assembled connection of support arrangement, to improve the support bracket fastened portable performance of instrument;Connection support can also be supported by stabilising arrangement Device, so that simulation sound source, the instrument such as noise analyzer are fixed on suitable testing position by support meanss, simulation sound source, After the testing position of the instruments such as noise analyzer is fixed, personnel are not needed to help support meanss with fixed-analog under normal circumstances The position of the instruments such as sound source, noise analyzer, saves manpower;By set in support meanss at one or many places mark Thing, in order to which testing crew is quickly found out the default test height of the instruments such as simulation sound source, noise analyzer, it is not necessary to use skin The survey tools such as chi measure, its process relative ease, greatly improve adjustment, stent onomatopoeia during testing crew experiment The efficiency of the instruments such as source, noise analyzer, adjustment, fixed-analog sound source, noise analyzer during testing crew experiment are saved Deng the time of instrument.
Analogue noise test system provided by the utility model, including instrument fixed support, solve and deposit in the prior art Simulation sound source and noise analyzer fixation procedure is cumbersome, the technical problem that takes time and effort.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the support bracket fastened first structure schematic diagram of instrument that the utility model embodiment provides;
Fig. 2 is support bracket fastened second structural representation of instrument that the utility model embodiment provides;
Fig. 3 is support bracket fastened 3rd structural representation of instrument that the utility model embodiment provides;
Fig. 4 is the structural representation for the support bracket fastened stabilising arrangement of instrument that the utility model embodiment provides.
Icon:100- support meanss;110- stabilising arrangements;111- poles;The stable central parts of 112-;120- labels; 121- graduation marks;122- fixtures;130- pallets;140- solar protection devices;150- fixed pulleys;160- ropes.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.
Embodiment
Referring to shown in Fig. 1-Fig. 4, present embodiments providing a kind of instrument fixed support;Fig. 1-Fig. 3 is that the utility model is real The support bracket fastened three kinds of structural representations of instrument of example offer are provided;Wherein, Fig. 1 is to consolidate for being fixedly connected with the instrument of simulation sound source Fixed rack, Fig. 2 and Fig. 3 are the instrument fixed support for being fixedly connected with noise analyzer;Fig. 4 carries for the utility model embodiment The structural representation of the support bracket fastened stabilising arrangement of instrument of confession.
Referring to the instrument fixed support that shown in Fig. 1-Fig. 4, the present embodiment provides, surveyed suitable for the analogue noise based on forest belt Test system, including support meanss 100 and stabilising arrangement 110.
Support meanss 100 are used to connect instrument, and instrument for example can be simulated sound source, noise analyzer or other instrument Device.At one or many places label 120 is provided with support meanss 100;Label 120 is used to show preset height, default position Put;Such as the instrument such as simulation sound source, noise analyzer is fixedly mounted on the height at label 120 or where label 120, In another example the instrument such as simulation sound source, noise analyzer is in by modes such as suspensions at label 120 or the place of label 120 Height.
Stabilising arrangement 110 and 100 dismantled and assembled connection of support meanss, such as stabilising arrangement 110 pass through spiral shell with support meanss 100 Connect, clamping or flange connection etc. mode connect.
Stabilising arrangement 110 is used to support, connect support meanss 100, by stabilising arrangement 110 so that support meanss 100 are straight It is vertical, and then the instruments such as simulation sound source, noise analyzer is reached default testing position.
Alternatively, support meanss 100 are provided with least one leveling bubble (not shown), to ensure support meanss 100 is vertical.
Instrument fixed support described in the present embodiment, including support meanss 100 and stabilising arrangement 110;Pass through stabilising arrangement 110 with 100 dismantled and assembled connection of support meanss, to improve the support bracket fastened portable performance of instrument;Stabilising arrangement 110 can also be passed through Support connection support meanss 100, so that the instrument such as simulation sound source, noise analyzer is fixed on suitably by support meanss 100 After the testing position of the instrument such as testing position, simulation sound source, noise analyzer is fixed, personnel are not needed to help under normal circumstances Support meanss 100 save manpower with the position of the instruments such as fixed-analog sound source, noise analyzer;By in support meanss 100 It is upper set at one or many places label 120, in order to which testing crew is quickly found out simulation sound source, the instrument such as noise analyzer Default test height, it is not necessary to measured using survey tools such as tape measures, its process relative ease, greatly improve experiment people The efficiency of the instrument such as adjustment, fixed-analog sound source, noise analyzer, is adjusted during having saved testing crew experiment during member's experiment The time of the instruments such as whole, fixed-analog sound source, noise analyzer.
In the alternative of the present embodiment, stabilising arrangement 110 is set successively including at least three along the circumference of support meanss 100 The pole 111 put;One end of each pole 111 can be fixedly connected with support meanss 100, and the other end is away from support meanss 100; The quantity of pole 111 is such as can be 3,4,5, it is preferable that the quantity of pole 111 is 3.
Each axial direction of pole 111 is set with the axial direction of support meanss 100 in angle;The axial direction of pole 111 fills with support The axial angle for putting 100 for example can be 60 degree, 80 degree, 110 degree, 120 degree etc..
In the alternative of the present embodiment, stabilising arrangement 110 includes the stable central part 112 being connected with each pole 111, Stable central part 112 can be fixedly connected with support meanss 100;By stablizing central part 112 in order to connecting with support meanss 100 Connect.Each pole 111 can be fixedly connected with stablizing central part 112, can also can be relative to the axial direction for stablizing central part 112 Rotate, such as one end of each pole 111 is fixedly connected with ring set, ring set is socketed on stable central part 112.
Alternatively, stable central part 112 with the connected mode of support meanss 100 be spirally connected, clamping or flange are connected.It is excellent The connected mode of selection of land, stable central part 112 and support meanss 100 is to be spirally connected, and its connected mode is fast and convenient.
In the alternative of the present embodiment, label 120 includes graduation mark 121 and/or fixture 122.Can that is, mark Note thing 120 includes graduation mark 121, and either label 120, which includes fixture 122 or label 120, includes the He of graduation mark 121 Fixture 122.
When label 120 includes graduation mark 121, graduation mark 121 is axially arranged along support meanss 100.
When label 120 includes fixture 122, fixture 122 is used to be fixedly connected with instrument.
In the alternative of the present embodiment, support meanss 100 are expansion link;By expansion link so as to adjusting supporting device 100 height.
Or multiple support connecting portions that support meanss 100 include being spirally connected successively along its axial direction;Alternatively, support connection Portion includes the second end of corresponding support connection first end and support connection;Support the support connection first end of connecting portion being capable of spiral shell The support for connecing adjacent support connecting portion connects the second end;Alternatively, support connection first end is internal thread, support connection second Hold as external screw thread, or support connection first end be external screw thread, it is internal thread that support, which connects the second end,.
It is shown in Figure 1, as the alternative of the present embodiment, present embodiments provide a kind of for being fixedly connected with simulation The instrument fixed support of sound source, suitable for the analogue noise test system based on forest belt;The instrument fixed support includes being used for The pallet 130 of simulation sound source is fixedly connected with, such as simulation sound source is placed on pallet 130, or simulation sound source is connected by fixed Fitting is fixed on pallet 130.
The one end of support meanss 100 away from stabilising arrangement 110 is connected with pallet 130;Such as stabilising arrangement 110 is arranged on branch The bottom of support arrangement 100, pallet 130 are arranged on the top of support meanss 100.
Pallet 130 can move along the axial reciprocating of support meanss 100;By being moved along the axial reciprocating of support meanss 100 Dynamic pallet 130, a rational position is adjusted to by pallet 130, such as is adjusted to default graduation mark 121, and then is made solid The simulation sound source being scheduled on pallet 130 is adjusted to a rational position, namely simulation sound source is adjusted to predeterminated position, to enter Row simulated test.
Wherein, the mode that axial reciprocating of the pallet 130 along support meanss 100 moves, such as can be to be enclosed on outside pallet 130 In support meanss 100, pallet 130 is adjusted to after predeterminated position, and pallet 130 is locked in into support meanss by locking device 100 predeterminated position;Such as can be pallet 130 be fixed in support meanss 100, support meanss 100 it is Height Adjustable, lead to The height of support meanss 100 is overregulated so that axial reciprocating of the pallet 130 along support meanss 100 moves.
Alternatively, pallet 130 is connected with least one leveling bubble (not shown).By leveling bubble, in order to Leveling pallet 130;The quantity for the leveling bubble that pallet 130 is set for example can be 1,2,3,4,6 etc..It is optional Ground, pallet 130 are provided with 2 leveling bubbles, 2 leveling bubbles be arranged on pallet 130 it is diagonal on.
Alternatively, instrument fixed support includes solar protection devices 140;Pallet 130 and/or support meanss 100 and solar protection devices 140 connections, i.e., pallet 130 is connected with solar protection devices 140, and either support meanss 100 are connected or pallet with solar protection devices 140 130 and support meanss 100 be connected with solar protection devices 140.By solar protection devices 140 to block the mould being arranged on pallet 130 The instruments such as onomatopoeia source, it can avoid simulating the instruments such as sound source under sunshine, can effectively reduce the instruments such as simulation sound source The heating temp of continuous firing, and then being normally carried out for experiment has been ensured to a certain extent.For example, the experiment of greenbelt noise reduction is more Carried out in summer, winter, summer temperature is high, illumination is strong, and the heating of sound source instrument continuous firing is serious, is hidden by solar protection devices 140 Fever phenomenon can be eased after keeping off the sun.
Alternatively, solar protection devices 140 can adjust angle and/or height relative to pallet 130;That is the energy of solar protection devices 140 Enough to adjust angle relative to pallet 130, either solar protection devices 140 can adjust height or solar protection devices relative to pallet 130 140 can adjust angle and height relative to pallet 130;By adjusting the angle and/or height of solar protection devices 140, in order to Solar protection devices 140 adjusts in time according to the position of the sun.
Alternatively, the surface area on one surface of maximum of solar protection devices 140 is not less than the half of the area of pallet 130, to carry High-sunshade effect.Alternatively, the surface area on one surface of maximum of solar protection devices 140 is more than the area of pallet 130.
Alternatively, solar protection devices 140 includes sunshade connecting rod (not marked in figure) and sunshading board (not marked in figure);Pallet 130 and/or support meanss 100 be connected with sunshading board by sunshade connecting rod;Sunshade connecting rod is adjustable lever, such as can be Metal snake rasp bar, flexible metallic rod etc.;Sunshading board for example can be plastic plate, metallic plate etc..
Referring to shown in Fig. 2, Fig. 3, as the alternative of the present embodiment, present embodiments provide a kind of for being fixedly connected The instrument fixed support of noise analyzer, suitable for the analogue noise test system based on forest belt;The instrument is support bracket fastened Label 120 includes being used for the fixture 122 for being fixedly connected with noise analyzer;The quantity of label 120 is multiple;Alternatively, The interval of adjacent marker thing 120 is identical.
Stabilising arrangement 110 includes at least three poles 111, and at least three poles 111 can be along the axial direction of support meanss 100 It is fixedly connected successively with support meanss 100, and circumference of at least three poles 111 along support meanss 100 is set gradually.
Alternatively, noise analyzer includes data transmission module;At the trial, the data message of noise analyzer monitoring can Transmitted by data transmission module to control terminal, controlling the control instruction of terminal can be transmitted by data transmission module to noise Analyzer;Wherein, terminal is controlled to be used for the data message stored or Analyze noise analyzer monitors, or control noise analyzer Related work.Data transmission module includes but is not limited to the wireless mode such as bluetooth, infrared;It can also be wire transmission mode.
Shown in Figure 3, alternatively, the one end of support meanss 100 away from stabilising arrangement 110 is provided with fixed pulley 150.
Instrument fixed support includes rope 160;One end of rope 160 is connected with fixture 122, and the other end bypasses fixed pulley 150 extend to stabilising arrangement 110.When noise analyzer does not have data transmission module, or the data transfer mould of noise analyzer Block can not the used time, can manually control noise analyzer, the mode of the artificial data message for reading noise analyzer monitoring is tried Test.For example, make axial direction of the noise analyzer along support meanss 100 slide up and down by rope and fixed pulley 150, manual control noise The measurement of analyzer, digital independent.Alternatively, fixture 122 is dismantled from support meanss 100, makes one end of rope 160 with consolidating Determine the position connection in the support meanss 100 at the place of part 122, the other end extends to stabilising arrangement 110 around fixed pulley 150;Can To avoid when moving back and forth noise analyzer, fixture 122 damages noise analyzer.
The present embodiment additionally provides a kind of analogue noise test system, including above-mentioned instrument fixed support.Instrument fixes branch Frame can be the instrument fixed support for being fixedly connected with noise analyzer, can be the instrument for being fixedly connected with simulation sound source Fixed support, can also be other supports.
Analogue noise test system described in the present embodiment has the advantages of instrument fixed support, originally applies disclosed in example The instrument fixed support the advantages of be not repeated to describe herein.
Finally it should be noted that:Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System;Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should Understand:It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type.

Claims (10)

1. a kind of instrument fixed support, suitable for the analogue noise test system based on forest belt, it is characterised in that filled including support Put and stabilising arrangement;
The support meanss are used to connect instrument, and are provided with the support meanss at one or many places label;The mark Note thing is used to show preset height;
The stabilising arrangement and the dismantled and assembled connection of the support meanss, the stabilising arrangement are used to support the support meanss.
2. instrument fixed support according to claim 1, it is characterised in that the stabilising arrangement includes at least three along institute State the pole that the circumference of support meanss is set gradually;One end of each pole can be fixedly connected with the support meanss, The other end is away from the support meanss;
Each axial direction of the pole is set with the axial direction of the support meanss in angle.
3. instrument fixed support according to claim 2, it is characterised in that the stabilising arrangement includes and each branch The stable central part of bar connection, the stable central part can be fixedly connected with the support meanss;
The stable central part with the connected mode of the support meanss be spirally connected, clamping or flange are connected.
4. according to the instrument fixed support described in claim any one of 1-3, it is characterised in that the label includes graduation mark And/or fixture;
When the label includes graduation mark, the graduation mark is axially arranged along the support meanss;
When the label includes fixture, the fixture is used to be fixedly connected with instrument.
5. according to the instrument fixed support described in claim any one of 1-3, it is characterised in that the support meanss are along its axial direction Including the multiple support connecting portions being spirally connected successively;Or the support meanss are expansion link.
6. a kind of analogue noise test system, it is characterised in that fix branch including the instrument described in claim any one of 1-5 Frame.
7. analogue noise test system according to claim 6, it is characterised in that the instrument fixed support includes being used for The pallet of simulation sound source is fixedly connected with, the one end of the support meanss away from the stabilising arrangement is connected with the pallet;It is described Pallet can move along the axial reciprocating of the support meanss;
The pallet is connected with least one leveling bubble.
8. analogue noise test system according to claim 7, it is characterised in that the instrument fixed support includes sunshade Device;The pallet and/or the support meanss are connected with the solar protection devices, and the solar protection devices can be relative to described Pallet adjusts angle and/or height;
The surface area on one surface of maximum of the solar protection devices is not less than the half of the tray area.
9. analogue noise test system according to claim 6, it is characterised in that the support bracket fastened label of instrument Including the fixture for being fixedly connected with noise analyzer;The quantity of the label is multiple;
The stabilising arrangement includes at least three poles, and at least three pole can be along the axial direction of the support meanss successively It is fixedly connected with the support meanss, and circumference of at least three pole along the support meanss is set gradually.
10. analogue noise test system according to claim 9, it is characterised in that the support meanss are away from described steady The one end for determining device is provided with fixed pulley;
The instrument fixed support includes rope;One end of the rope is connected with the fixture, and the other end is around described fixed Pulley extends to the stabilising arrangement.
CN201720490092.5U 2017-05-04 2017-05-04 Instrument fixed support and analogue noise test system Expired - Fee Related CN206683665U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720490092.5U CN206683665U (en) 2017-05-04 2017-05-04 Instrument fixed support and analogue noise test system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720490092.5U CN206683665U (en) 2017-05-04 2017-05-04 Instrument fixed support and analogue noise test system

Publications (1)

Publication Number Publication Date
CN206683665U true CN206683665U (en) 2017-11-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720490092.5U Expired - Fee Related CN206683665U (en) 2017-05-04 2017-05-04 Instrument fixed support and analogue noise test system

Country Status (1)

Country Link
CN (1) CN206683665U (en)

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