CN102944406A - Laying hen welfare cage bottom net load test device and method thereof - Google Patents
Laying hen welfare cage bottom net load test device and method thereof Download PDFInfo
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- CN102944406A CN102944406A CN2012104772596A CN201210477259A CN102944406A CN 102944406 A CN102944406 A CN 102944406A CN 2012104772596 A CN2012104772596 A CN 2012104772596A CN 201210477259 A CN201210477259 A CN 201210477259A CN 102944406 A CN102944406 A CN 102944406A
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Abstract
The invention belongs to the field of animal husbandry mechanical performance test and particularly relates to a laying hen welfare cage bottom net load test device and a method thereof. Laying hen welfare cage bottom net deformation amount and stress values of a strengthening rib and a suspension beam are measured so as to provide the basis for the design of the whole structure of a laying hen welfare cage with different bottom net structure parameters. The test device comprises a test stand base and a measuring device, wherein the test stand base is used for suspending a test cage, and the measuring device is used for statically reading pretightening force of the strengthening rib, initial pretension exerted by the suspension beam to the bottom net, the stress values of the strengthening rib and the suspension beam under loading action and the bottom net deformation amount. According to the device, the length and width of a rectangular outer frame for installing the bottom net, the pretightening force of the strengthening rib and egg rolling angle can be adjusted according to bottom nets with different areas, netting wire diameters and mesh sizes, and a tension sensor and a displacement meter with high accuracy can be matched. The device is well in butt joint with a laying hen welfare breeding device, and the obtained data can be used for guiding evaluating, developing and popularizing of relevant cages.
Description
Technical field
The invention belongs to animal husbandry mechanical property detection field, particularly a kind of devices and methods therefor of laying hen welfare cage tool spacer screen load test.
Background technology
Along with the raising of China's domestic fowl farming intensive degree, how the laying hen process of raising in cages is guaranteed the laying hen welfare, is produced the study hotspot that safe egg product is current breeding layer chicken industry.In the situation that animal welfare is so concerned, research and development and the popularization of laying hen welfare-type cage tool are the development trends that following laying hen is raised in cages.
The design of laying hen coop base net there are differences because of aquaculture model, age in days, kind, its structural parameters comprise: spacer screen area, mesh wire diameter, the angle of beating it, mesh-density, the reinforcement mode of in the middle of tradition laying hen coop base net adopts filter being installed, and welfare-type bottom net of chiken cage area is large, middle without filter, generally adopt reinforcement and hanging beam as the supporting way of spacer screen.How to carry out the spacer screen load test for different spacer screen parameters, analyze its load and distribute, thereby the one-piece construction of design laying hen welfare breeding cage is to need at present the problem of solution badly.
JB/T7729-2007 has stipulated the measuring method of spacer screen deflection, the mensuration of this spacer screen deflection is only applicable to the factory inspection of product, do not specify the instrument and the relevant apparatus that match with it, therefore can't be applicable to different spacer screen structural parameters are analyzed and researched.Lv Zhongxiao equals the mechanical characteristic of studying meat chicken coop base net in 1991, mainly for traditional meat chicken coop base net load test, do not relate to the laying hen welfare cage tool at the angle of beating it, nobody proposes a kind of device and correlation technique of laying hen welfare cage tool spacer screen load test at present.
Shi Gang equals to carry out in 2010 the mechanical test of the rope web frame of glass-wall building, effectively analyzes the factor such as prestress change, rope anchored end destruction of rope to the impact of load-carrying properties; The object of this test is reticulate texture, uses pulling force sensor and displacement meter image data.But this research method for be the rope web frame of building field, can not apply to simply in the laying hen welfare cage tool spacer screen load test.
Therefore the devices and methods therefor that is necessary to invent a kind of laying hen welfare cage tool spacer screen load test provides foundation to the design of laying hen welfare cage tool spacer screen.
Summary of the invention
The objective of the invention is by laying hen welfare coop base net deflection and reinforcement, hanging beam stress value are measured, coming provides foundation for the integrally-built design of laying hen welfare cage tool of different spacer screen structural parameters.This test unit is comprised of testing table base and measurement mechanism.Wherein the testing table base is used for hanging test cage tool, and measurement mechanism is used for that static state reads the reinforcement pretightning force, hanging beam applies reinforcement under initial tensile force and the load, hanging beam stress value and spacer screen deflection to spacer screen.
Described testing table base has the adjustable rectangle housing of length and width, it is characterized in that, front beam 18 and rear cross beam 1 pass respectively equal in length, the same number of supporting leg 12 from left to right, and each supporting leg 12 front and back corresponds to one group; 2 supporting legs 12 that high order end is one group are by the affixed left support plate 11 of bolt; Two supporting legs that left end is second group 12 are by the affixed reinforcement back up pad 10 of bolt, and on the top affixed upper left beam 14; One group of supporting leg 12 of low order end is by the affixed right support plate 19 of bolt, and on the top affixed upper right beam 20; The interjacent all affixed brace summers 3 on the top of supporting leg 12 of respectively organizing.
Described test cage tool comprises tested spacer screen 9 and the side net 17 that matches with tested spacer screen 9, and tested spacer screen 9 the right and lefts connect 2 side nets 17 by cage with snap ring; Left and right sides net 17 is hung on upper left beam 14 and the upper right beam 20; The rear end of tested spacer screen 9 is suspended on the rear cross beam 1 by linking up with 5.Some reinforcements 2 are close to the below of tested spacer screen 9, and using is threaded is fixed in the middle of reinforcement back up pad 10 and the right support plate 19; Reinforcement 2 is hooked in some hanging beam 4 lower ends, and the upper end is fixed on the brace summer 3.
Described measurement mechanism is to measure installation composition by tension measuring device and deflection.Wherein tension measuring device is used for reading the stress value of reinforcement 2, hanging beam 4; Deflection is measured the deflection that device is used for reading tested spacer screen 9.
In the described pulling force harvester, when the user need to gather the stress data of specific reinforcement 2, pulling force sensor 7 one ends are fixed in reinforcement 2, the affixed screw rod of the other end, screw rod pass left support plate 11 and are connected with pretightning force setting nut 13 in its outside; When the user need to gather the stress data of specific hanging beam 4, test that will be corresponding with it replaced specific hanging beam 4 with hanging beam 8, and pulling force sensor 7 two ends are fixed in respectively brace summer 3 and test with on the hanging beam 8.
Described deflection is measured in the device, and displacement meter 15 is on the ground affixed by displacement meter base 16, and the contact of displacement meter 15 is fixed in the center of tested spacer screen 9 perpendicular to ground.
Described left support plate 11, reinforcement back up pad 10, right support plate 19 tops all are provided with for the fixing hole of reinforcement 2.
Described hanging beam 4 length are different, and are corresponding one by one with hanging beam 8 with test respectively, and test uses the difference of length of the length of hanging beam 8 and corresponding hanging beam 4 greater than the length of pulling force sensor 7.
The upper surface of described upper left beam 14, upper right beam 20, rear cross beam 1 arranges some holes, in order to affixed hook 5; The upper and lower surface of brace summer 3 also is provided with some holes, in order to affixed hanging beam 4 or the test pulling force sensor 7 of installing on the hanging beam 8.
The housing size-adjusting function of described testing table is to realize by base fixture 6, and front beam 18, rear cross beam 1, upper left beam 14, brace summer 3, upper right beam 20 all are equipped with base fixture 6 with the cohesive position of supporting leg 12; When needing the housing size of adjustment test bed, base fixture 6 is unclamped, after adjusting is finished, that base fixture 6 is fastening.
Described left support plate 11, reinforcement back up pad 10 and right support plate 19 are processed with some holes for affixed reinforcement 2, and the user arranges reinforcement 2 according to the tested spacer screen of the test 9 required angles of beating it, thus the position of adjusting hole and quantity.
Described hook 5 is fixed in rear cross beam 1, upper left beam 14, upper right beam 20 by bolt; When the change in size of testing table housing, need to adjust accordingly linking up with 5 position.
The test method of described spacer screen load test device is as follows, at first adjust the housing size of test unit and the layout of reinforcement 2 according to the size of tested spacer screen 9 and the angle of beating it, and constantly tighten pretightning force setting nut 13, by the internal force of pulling force sensor 7 Real-Time Monitoring reinforcements 2, make the pretightning force of each reinforcement 2 reach the test design value; Then carry out load test, load and measure the pulling force numerical value at specific reinforcement 2 or hanging beam 4 places on the spacer screen surface, and the spacer screen deflection.
Characteristics of the present invention:
1, regulatory function preferably.The rectangle housing length and width of floor installation spacer screen can flexible, and is provided with for the device of regulating the reinforcement pretightning force, and the user can also simulate the different angles of beating it by changing the reinforcement back up pad.
2, dock well with aquaculture model.The present invention has taken into full account the design and installation present situation of cultivation equipment under the laying hen welfare aquaculture model, and the data that adopt these apparatus and method to draw can effectively instruct evaluation, exploitation and the popularization of relevant cage tool.
3, applicability is good.Permission is tested the spacer screen of different area, mesh wire diameter, mesh size.
4, measure accurately.This device can be equipped with the higher pulling force sensor of precision, displacement meter, Measurement accuracy reinforcement, hanging beam stress value and spacer screen deflection.
5, with low cost, easy to assembly.The framed structure that the present invention relates to all can adopt the rectangle steel that is easy to get on the market, angle steel etc., and the connection of each several part all can be adopted and be threaded or jackscrew is fixed, and is easy to loading and unloading.
Beneficial effect of the present invention is: this device applicability is good, and the angle angle of beating it is adjustable, and the deflection that is applicable to different spacer screen specifications is measured the field conduct of simulate laying hen welfare cage cultivation device; The user can directly observe the deformation situation of spacer screen and side net under the load, static state reads reinforcement pretightning force, hanging beam spacer screen is applied spacer screen deflection, reinforcement, hanging beam stress value under initial tensile force and the load, to instruct the integrally-built design of laying hen welfare cage tool of different spacer screen parameters.
Description of drawings
Fig. 1 is the schematic three dimensional views of this spacer screen load test device;
Fig. 2 is the left view of this spacer screen load test device;
Fig. 3 is the front elevation of this spacer screen load test device;
Fig. 4 is the schematic three dimensional views of this spacer screen load test device housing size adjustment mechanism.
Among the figure, 1--rear cross beam, 2--reinforcement, 3--brace summer, the 4--hanging beam, 5--hook, 6--base fixture, 7--pulling force sensor, the 8--test is used hanging beam, the tested spacer screen of 9--, 10--reinforcement back up pad, 11--left support plate, the 12--supporting leg, 13--pretightning force setting nut, the upper left beam of 14--, the 15--displacement meter, 16--displacement meter base, 17--side net, the 18--front beam, 19--right support plate, the upper right beam of 20--.
Embodiment
Below in conjunction with drawings and Examples concrete structure of the present invention is further specified.
As depicted in figs. 1 and 2, this test unit is comprised of testing table base and measurement mechanism.Wherein the testing table base is used for hanging test cage tool, and measurement mechanism is used for the static reinforcement pretightning force, hanging beam of reading spacer screen is applied reinforcement, hanging beam stress value, spacer screen deflection under initial tensile force and the load.
The testing table base is characterized in that as shown in figures 1 and 3, and front beam 18 and rear cross beam 1 pass respectively 5 supporting legs 12 of equal in length from left to right, and each supporting leg 12 front and back corresponds to one group, totally 5 groups; 2 supporting legs 12 that high order end is one group are by the affixed left support plate 11 of bolt; Two supporting legs that left end is second group 12 are by the affixed reinforcement back up pad 10 of bolt, and on the top affixed upper left beam 14; One group of supporting leg 12 of low order end is by the affixed right support plate 19 of bolt, and on the top affixed upper right beam 20; Interjacent 2 groups of supporting legs 12 are the affixed brace summer 3 on the top all.Left support plate 11, reinforcement back up pad 10, right support plate 19 tops all are provided with for the fixing hole of reinforcement 2.
The assembling mode of test cage tool and base is tested the cage tool and is comprised tested spacer screen 9 and the side net 17 that matches with tested spacer screen 9 as shown in Figure 1, and tested spacer screen 9 the right and lefts connect 2 side nets 17 by cage with snap ring; Left and right sides net 17 is hung on upper left beam 14 and the upper right beam 20; The rear end of tested spacer screen 9 is suspended on the rear cross beam 1 by linking up with 5.3 reinforcements 2 are close to the below of tested spacer screen 9, and using is threaded is fixed in the middle of reinforcement back up pad 10 and the right support plate 19; Reinforcement 2 is hooked in 3 hanging beam 4 lower ends, and the upper end is fixed on the brace summer 3.
As depicted in figs. 1 and 2, measurement mechanism is to measure installation composition by tension measuring device and deflection.Wherein tension measuring device is used for reading reinforcement 2, tests the stress value with hanging beam 8; Deflection is measured the deflection that device is used for reading tested spacer screen 9.In the pulling force harvester, when the user need to gather the stress data of specific reinforcement 2, pulling force sensor 7 one ends are fixed in reinforcement 2, the affixed screw rod of the other end, screw rod pass left support plate 11 and are connected with pretightning force setting nut 13 in its outside 1; When the user need to gather the stress data of specific hanging beam 4, test that will be corresponding with it replaced specific hanging beam 4 with hanging beam 8, and pulling force sensor 7 two ends are fixed in respectively brace summer 3 and test with on the hanging beam 8.Hanging beam 4 length are different, and are corresponding one by one with hanging beam 8 with test respectively, and test uses the difference of length of the length of hanging beam 8 and corresponding hanging beam 4 greater than the length of pulling force sensor 7.Deflection is measured in the device, and displacement meter 15 is on the ground affixed by displacement meter base 16, and the contact of displacement meter 15 is fixed in the center of tested spacer screen 9 perpendicular to ground.
As shown in Figures 1 to 4, the upper surface of upper left beam 14, upper right beam 20, rear cross beam 1 arranges some holes, in order to affixed hook 5; Hook 5 is fixed in rear cross beam 1, upper left beam 14, upper right beam 20 by bolt; When the change in size of testing table housing, need to adjust accordingly linking up with 5 position.The upper and lower surface of brace summer 3 also is provided with some holes, in order to affixed hanging beam 4 or the test pulling force sensor 7 of installing on the hanging beam 8.
As shown in Figure 2, left support plate 11, reinforcement back up pad 10 and right support plate 19 are processed with some holes for affixed reinforcement 2, and the user arranges reinforcement 2 according to the tested spacer screen of the test 9 required angles of beating it, thus the position of adjusting hole and quantity.
As shown in Figure 4, the testing table base has the adjustable rectangle housing of length and width, its regulatory function is to realize by base fixture 6, front beam 18, rear cross beam 1, upper left beam 14, brace summer 3, upper right beam 20 all are equipped with base fixture 6 with the cohesive position of supporting leg 12, are the linking part of supporting leg 8 and upper left beam 14, front beam 18 shown in the figure; When needing the housing size of adjustment test bed, base fixture 6 is unclamped, after adjusting is finished, that base fixture 6 is fastening.
The test method of spacer screen load test device is as follows, at first adjust the housing size of test unit and the layout of reinforcement 2 according to the size of tested spacer screen 9 and the angle of beating it, and constantly tighten pretightning force setting nut 13, by the internal force of pulling force sensor 7 Real-Time Monitoring reinforcements 2, make the pretightning force of each reinforcement 2 reach the test design value; Then carry out load test, load and measure the pulling force numerical value at specific reinforcement 2 or hanging beam 4 places on the spacer screen surface, and the spacer screen deflection.
The above only be the better embodiment of the present invention, but protection scope of the present invention is not limited to this.Can replace with other section bars the resistance in the time of and for example can installing roller with minimizing manual shift housing size between supporting leg and each beam additional such as the plate that is used for supporting rib stiffener.Anyly be familiar with those skilled in the art in the technical scope that the present invention discloses, the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (4)
1. laying hen welfare cage tool spacer screen load test device is characterized in that, is comprised of testing table base and measurement mechanism; Wherein the testing table base is used for hanging test cage tool, and measurement mechanism is used for static state and reads reinforcement and hanging beam stress value, and the deflection of spacer screen under load;
Described testing table base has the adjustable rectangle housing of length and width, it is characterized in that, front beam (18) and rear cross beam (1) pass respectively equal in length, the same number of supporting leg (12) from left to right, correspond to one group before and after each supporting leg (12); 2 supporting legs (12) that high order end is one group are connected with left support plate (11); The affixed reinforcement back up pads of two supporting legs (12) (10) that left end is second group, and on the top affixed upper left beam (14); One group of supporting leg (12) of low order end is connected with right support plate (19), and on the top affixed upper right beam (20); The interjacent all affixed brace summers (3) on the top of supporting leg (12) of respectively organizing;
Described test cage tool comprises tested spacer screen (9) and the side net (17) that matches with tested spacer screen (9), the affixed 2 side nets of tested spacer screen (9) the right and left (17); Left and right sides net (17) is hung on upper left beam (14) and the upper right beam (20); The rear end of tested spacer screen (9) hangs on the rear cross beam (1); Some reinforcements (2) are close to the below of tested spacer screen (9), are fixed in the middle of reinforcement back up pad (10) and the right support plate (19); Reinforcement (2) is hooked in some hanging beams (4) lower end, and the upper end is fixed on the brace summer (3);
Described measurement mechanism is to measure installation composition by tension measuring device and deflection; Wherein tension measuring device is used for reading reinforcement (2), tests the stress value with hanging beam (8); Deflection is measured device and is used for reading the deflection of tested spacer screen (9);
In the described pulling force harvester, when needing to gather the stress data of specific reinforcement (2), pulling force sensor (7) one ends are fixed in reinforcement (2), the affixed screw rod of the other end, screw rod pass left support plate (11) and are connected with pretightning force setting nut (13) in its outside; When needing to gather the stress data of specific hanging beam (4), test that will be corresponding with it replaces specific hanging beam (4) with hanging beam (8), and pulling force sensor (7) two ends are fixed in respectively on brace summer (3) and the test usefulness hanging beam (8);
Described deflection is measured in the device, and the below of tested spacer screen (9) is equipped with displacement meter (15), and the contact of displacement meter (15) is fixed in the center of tested spacer screen (9) perpendicular to ground.
2. laying hen welfare cage tool spacer screen load test device as described in claim 1, it is characterized in that, described front beam (18), rear cross beam (1), upper left beam (14), brace summer (3), upper right beam (20) all are equipped with base fixture (6) with the cohesive position of supporting leg (12), are used for the housing size of adjustment test bed.
3. laying hen welfare cage tool spacer screen load test device as described in claim 1, it is characterized in that, described left support plate (11), reinforcement back up pad (10) and right support plate (19) are processed with some holes for affixed reinforcement (2), arrange reinforcement (2) according to the angle of beating it that tested spacer screen (9) is required, thus the position of adjusting hole and quantity.
4. a utilization is such as the test unit of spacer screen load test device as described in the claim 1,2 or 3, the method of testing, it is characterized in that, at first adjust the housing size of test unit and the layout of reinforcement (2) according to the size of tested spacer screen (9) and the angle of beating it, and constantly tighten pretightning force setting nut (13), by the internal force of pulling force sensor (7) Real-Time Monitoring reinforcement (2), make the pretightning force of each reinforcement (2) reach the test design value; Then carry out load test, load and measure the pulling force numerical value that specific reinforcement (2) or hanging beam (4) are located on the spacer screen surface, and the spacer screen deflection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210477259.6A CN102944406B (en) | 2012-11-21 | 2012-11-21 | Laying hen welfare cage bottom net load test device and method thereof |
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| CN201210477259.6A CN102944406B (en) | 2012-11-21 | 2012-11-21 | Laying hen welfare cage bottom net load test device and method thereof |
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| CN102944406A true CN102944406A (en) | 2013-02-27 |
| CN102944406B CN102944406B (en) | 2014-12-10 |
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Cited By (5)
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| CN104748957A (en) * | 2015-04-01 | 2015-07-01 | 浪潮电子信息产业股份有限公司 | Stress deformation test platform special for server case |
| CN105638508A (en) * | 2015-12-31 | 2016-06-08 | 西北农林科技大学 | Unitized combined and assembled type egg welfare breeding cage |
| CN107807003A (en) * | 2017-11-28 | 2018-03-16 | 江苏速捷模架科技有限公司 | Whole group scaffold load carrying capacity test equipment |
| CN108106937A (en) * | 2017-12-20 | 2018-06-01 | 广电计量检测（天津）有限公司 | Cargo net strength detection equipment and detection method |
| CN108719127A (en) * | 2018-07-20 | 2018-11-02 | 遵化市龙凤畜牧机械有限公司 | A kind of the cage bottom joist structure and assemble method of automation chicken raising equipment |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748957A (en) * | 2015-04-01 | 2015-07-01 | 浪潮电子信息产业股份有限公司 | Stress deformation test platform special for server case |
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| CN105638508B (en) * | 2015-12-31 | 2019-05-31 | 西北农林科技大学 | A kind of blocking combination assembly type laying hen welfare breeding cage |
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| CN108106937A (en) * | 2017-12-20 | 2018-06-01 | 广电计量检测（天津）有限公司 | Cargo net strength detection equipment and detection method |
| CN108106937B (en) * | 2017-12-20 | 2021-02-02 | 广电计量检测（天津）有限公司 | Cargo net strength detection equipment and detection method |
| CN108719127A (en) * | 2018-07-20 | 2018-11-02 | 遵化市龙凤畜牧机械有限公司 | A kind of the cage bottom joist structure and assemble method of automation chicken raising equipment |
| CN108719127B (en) * | 2018-07-20 | 2023-09-22 | 唐山市龙凤牧业科技有限公司 | Cage bottom joist structure of automatic chicken raising equipment and assembling method |
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