CN203720061U - Experiment device for testing mechanical characteristics of root system - Google Patents
Experiment device for testing mechanical characteristics of root system Download PDFInfo
- Publication number
- CN203720061U CN203720061U CN201420041875.1U CN201420041875U CN203720061U CN 203720061 U CN203720061 U CN 203720061U CN 201420041875 U CN201420041875 U CN 201420041875U CN 203720061 U CN203720061 U CN 203720061U
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- casing
- root system
- rack body
- fixture
- bracing frame
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses an experiment device for testing mechanical characteristics of a root system. The experiment device comprises a bracket body, motors, movable rails, a movable transverse beam, a hook, a clamp and a box body, wherein the motors are arranged at the two ends of the top of the bracket body, respectively, and are connected with the movable rails by through holes in the bracket body; the movable rails at left and right ends are fixedly connected with left and right side walls of the bracket body; the two ends of the movable transverse beam are connected with the movable rails fixed at the left and right sides of the bracket body, respectively; the movable transverse beam is provided with the hook, and the other end of the hook is connected with the clamp; the box body is arranged below the clamp. Therefore, the experiment device can be particularly suitable for a test for determining frictional characteristics between the root system and a soil body.
Description
Technical field
The utility model relates to mechanical field, refers to especially a kind of for measuring the experimental provision of root system mechanical characteristics.
Background technology
In the past, because China is not enough to the understanding of importance of water and soil resources, to the overcut of forest and to the excessive exploitation of resource, make China face serious soil erosion problem.The various geologic hazards that caused by soil erosion problem are very unfavorable to the people's livelihood of China and economic development.A series of landslides that Yiliang, Yunnan in 2012 occurs to cause after earthquake cause tens of people wrecked, more than 20,000 between house impaired or collapse, 500Duo Suo school is impaired, and local schoolhouse security level is fallen back 20 years.In recent years, along with the development of national economy, the people are also strengthening gradually to the consciousness of soil-water protection.Developed up till now multiple controlling soil erosion and prevented the measure of landslide, wherein biological control measure is especially widely utilized.Adopting biological control measure to administer soil body landslide organically combines slope project and ecological recovery; protection landslide not only can conserve water and soil; can also preserve the ecological environment and beautify the environment, make harmony between man and nature coexistence, effectively solve the contradiction between economic development and environment protection.
Long-term scientific research is verified with practice, and biological control measure is the effective measures of controlling soil erosion, prevent landslide.Root system of plant, as the vitals of plant vital activity, plays vital effect in the biological control measure of controlling soil erosion.Physical action process between root system of plant and soil relates to a series of mechanics problems.Therefore, the solid soil mechanics mechanism of researching plant root is administered water and soil conservation and is prevented that soil body landslide has vital role carrying out biological control measure.Anchorage effect by root system of plant to soil, the fragile slipping plane that root system of plant is distributed in side slope or massif as friction pile prevents landslide.Root-native complex is as a kind of mechanical model of the root system of plant fixing soil body, wherein the interaction of root system of plant and the soil body can be regarded as the internal force of root-native complex, this internal force does not consider that it is among the ess-strain of root-native complex, but characteristic generation effect to whole-native complex.
At present, the root system research work of forest is mainly to pay close attention to fine-root biomass and root system and soil environment interaction etc. field.Wherein, the fine-root in root system and soil environment interaction field and the research of the friction anchoring property on soil contact interface, directly determined the internal stability of root soil complex.The tension pull out force of root system of plant is an important parameter that characterizes root system of plant fixing soil body mechanical function mechanism.When the soil body wrecks generation slipping plane, the moderate finite deformation of root system of plant can be delivered to the suffered pulling capacity of root system of plant the stable deep layer soil body, also the suffered pulling capacity of root system of plant can be converted into the side friction resistance of root system of plant and reduce the suffered pulling capacity of root system of plant itself, can increase like this ability of the root system of plant fixing soil body.And in the middle of existing technology, neither one is completely for the support that can measure experiment of friction performance between root system and the soil body.
Utility model content
In view of this, the purpose of this utility model is to propose a kind of for measuring the experimental provision of root system mechanical characteristics, can be specially adapted for measuring the device of experiment of friction performance between root system and the soil body.
What based on above-mentioned purpose the utility model, provide is a kind of for measuring the experimental provision of root system mechanical characteristics, comprise rack body, motor, moving track, moving beam, hook, fixture and casing, two ends at described rack body top are respectively arranged with described motor, and motor is connected with described moving track by the through hole arranging on described rack body described in each, the moving track at two ends, described left and right is fixedly connected with the left and right sides wall of described rack body respectively; The two ends of described moving beam are connected with the described moving track that is fixed on the described rack body left and right sides respectively, on described moving beam, be provided with described hook, the other end of described hook is connected with described fixture simultaneously, places described casing below described fixture.
Alternatively, describedly for measuring the experimental provision of root system mechanical characteristics, also comprise bracing frame, described casing contacts with ground by support frame as described above.
Further, support frame as described above comprises upper backup pad, lower supporting plate and is arranged on the bracing frame between upper and lower back up pad, support frame as described above is X-shaped, the upper end of this bracing frame and the bottom surface of described upper backup pad are hinged, the lower end of this bracing frame coordinates with the leading screw arranging on described lower supporting plate by nut, and one end of described leading screw is provided with rocking handle.
Further, described fixture is two steel plates, between described two steel plates, by least two group screws, nut, connects.
Alternatively, described casing is symmetrical casing.
Alternatively, cover and be provided with hole on described casing, the narrowest place in this hole is larger than root system the widest part to be measured.
Further, described hole is arranged on the center of this box cover.
Further, the side plate of described casing is designed to can dismounting, and other side plate and described casing are integrated.
Further, below the described fixture of distance, described casing is placed at 50mm place.
Further, described casing adopts organic glass or steel plate to make.
As can be seen from above, the utility model provide for measuring the experimental provision of root system mechanical characteristics, by the two ends at described rack body top, be respectively arranged with described motor, and motor is connected with described moving track by the through hole arranging on described rack body described in each, the moving track at two ends, described left and right is fixedly connected with the left and right sides wall of described rack body respectively; The two ends of described moving beam are connected with the described moving track that is fixed on the described rack body left and right sides respectively, on described moving beam, be provided with described hook, the other end of described hook is connected with described fixture simultaneously, places described casing below described fixture.Thereby, of the present inventionly for measuring the experimental provision of root system mechanical characteristics, can provide experimental enviroment reliably for experiment of friction performance between root system and the soil body.
Accompanying drawing explanation
Fig. 1 is that the utility model embodiment is a kind of for measuring the schematic diagram of the experimental provision of root system mechanical characteristics;
Fig. 2 is the structural representation of the utility model embodiment casing.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.
Consult shown in Fig. 1, a kind of for measuring the schematic diagram of the experimental provision of root system mechanical characteristics for the utility model embodiment, described comprises rack body 101, motor 102, moving track 103, moving beam 104, hook 105, fixture 106 and casing 107 for measuring the experimental provision of root system mechanical characteristics.In an embodiment, rack body 101 is inverted U, and preferably, the end that rack body 101 contacts with ground is designed to be wider than other parts of rack body 101, can more stably support whole described test unit.Two ends at rack body 101 tops are respectively arranged with motor 102, and each motor 102 is connected with moving track 103 by the through hole arranging on rack body 101.Preferably, fixed for two moving tracks 103 that make to arrange, the moving track 103 at two ends, left and right is fixedly connected with the left and right sides wall of rack body 101 respectively.The two ends of moving beam 104 are connected with the moving track 103 that is fixed on rack body 101 left and right sides respectively, and moving beam 104 can move up and down in the track routes of moving track 103.Preferably, moving track 103 is designed to screw rod, and the two ends of moving beam 104 respectively fixed card, on this screw rod, make screw rod rotation under the effect of motor 102, drive moving beam 104 to move up and down.On moving beam 104, be provided with hook 105, link up with 105 the other end simultaneously and be connected with fixture 106.In the present embodiment, casing 107 is placed at 50mm place below apart from fixture 106.
As another embodiment of the present utility model, describedly for measuring the experimental provision of root system mechanical characteristics, also comprise bracing frame 108, casing 107 contacts with ground by bracing frame 108.Preferably, bracing frame 108 is designed with the device that can carry out lift adjustment.Preferably, bracing frame 108 comprises upper backup pad, lower supporting plate and is arranged on the bracing frame between upper and lower back up pad.Wherein, bracing frame is X-shaped, and the upper end of this bracing frame and the bottom surface of upper backup pad are hinged, and the lower end of this bracing frame coordinates with the leading screw arranging on lower supporting plate by nut, and one end of this leading screw is provided with rocking handle.Bracing frame 108 shakes rocking handle when regulating height, drive leading screw rotates, and the nut between leading screw and bracing frame lower end is designed to respectively left-hand threaded nut, right-handed nut, thereby screw thread direction of motion is contrary, the bottom that causes X-shaped bracing frame is apart from increasing or dwindling, thus the height of change X-shaped bracing frame.
In addition, fixture 106 is two steel plates, between two steel plates, by least two group screws, nut, connects, and fixture 106 can carry out according to the difference of root system to be measured the adjustment of the degree of packing.
Consulting shown in Fig. 2, is the structural representation of the utility model embodiment casing, and described casing 107 is symmetrical casing.Wherein, arrange porosely 202 on the upper cover 201 of casing 107, the narrowest place in hole 202 is larger than root system the widest part to be measured.In the present embodiment, hole 202 is rectangle, wide 10mm, high 40mm, and this design can meet the size of root system to be measured generally.Preferably, hole 202 is arranged on the center of this upper cover 201.In addition, the side plate of described casing 107 can dismounting, and other side plate and casing 107 are integrated.After this side plate dismounting, by this side, to casing 107, banket, bury root and hit reality.
It should be noted that, described casing can adopt organic glass to make, thereby when carrying out between root system and the soil body experiment of friction performance, the test situation when casing that can make by organic glass is observed drawing between root system and the soil body.Certainly, described casing can also adopt steel plate to make, and the casing endurance that steel plate is made is very good.
When carrying out between root system and the soil body experiment of friction performance, by dismantling this side plate, banket, hit reality, and then banket, hit reality, constantly banket, hit reality.Certainly, banketing, hitting in real process again and again, also need root system one end to be embedded in the soil body, the other end passes hole 202.Thereby, form the packing between needed root system and the soil body in our test.And described for the experimental provision of measuring root system mechanical characteristics between for root system and the soil body during experiment of friction performance, this test root system part is buried by the soil body, and root system another part passes hole 202.106 root systems of imbedding in casing 107 soil bodys by 202 pairs, hole carry out experiment of friction performance, this root system are carried out to drawing.Can find out, casing 107 of the present utility model, in order to carry out experiment of friction performance between root system and the soil body, is designed to bury from the side soil, buries root and hits reality, from the upper cover 201 of casing 107, carries out drawing work.
This shows, what the utility model proposes is a kind of for measuring the experimental provision of root system mechanical characteristics, creationary having designed at the two ends at rack body top is respectively arranged with described motor, and each motor is connected with moving track by the through hole arranging on rack body; The two ends of moving beam are connected with the moving track that is fixed on the described rack body left and right sides respectively; On moving beam, be provided with hook, the other end of hook is connected with fixture simultaneously, places described casing below fixture; Meanwhile, design ingenious, to be convenient to testing crew operation, improved its test efficiency; And the described scope of application designs for root system pull-out test; Meanwhile, testing crew is easy and simple to handle, time saving and energy saving; Finally, whole described simple in structure for measuring the experimental provision of root system mechanical characteristics, be easy to use.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle; any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. one kind for measuring the experimental provision of root system mechanical characteristics, it is characterized in that, comprise rack body, motor, moving track, moving beam, hook, fixture and casing, two ends at described rack body top are respectively arranged with described motor, and motor is connected with described moving track by the through hole arranging on described rack body described in each, the moving track at two ends, described left and right is fixedly connected with the left and right sides wall of described rack body respectively; The two ends of described moving beam are connected with the described moving track that is fixed on the described rack body left and right sides respectively, on described moving beam, be provided with described hook, the other end of described hook is connected with described fixture simultaneously, places described casing below described fixture.
2. device according to claim 1, is characterized in that, describedly for measuring the experimental provision of root system mechanical characteristics, also comprises bracing frame, and described casing contacts with ground by support frame as described above.
3. device according to claim 2, it is characterized in that, support frame as described above comprises upper backup pad, lower supporting plate and is arranged on the bracing frame between upper and lower back up pad, support frame as described above is X-shaped, the upper end of this bracing frame and the bottom surface of described upper backup pad are hinged, the lower end of this bracing frame coordinates with the leading screw arranging on described lower supporting plate by nut, and one end of described leading screw is provided with rocking handle.
4. according to the device described in claim 2 or 3, it is characterized in that, described fixture is two steel plates, between described two steel plates, by least two group screws, nut, connects.
5. device according to claim 1, is characterized in that, described casing is symmetrical casing.
6. test unit according to claim 1, is characterized in that, covers and be provided with hole on described casing, and the narrowest place in this hole is larger than root system the widest part to be measured.
7. device according to claim 6, is characterized in that, described hole is arranged on the center of this box cover.
8. device according to claim 7, is characterized in that, the side plate of described casing is designed to can dismounting, and other side plate and described casing are integrated.
9. according to the device described in claim 1 to 8 any one, it is characterized in that, below the described fixture of distance, described casing is placed at 50mm place.
10. device according to claim 9, is characterized in that, described casing adopts organic glass or steel plate to make.
Priority Applications (1)
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CN201420041875.1U CN203720061U (en) | 2014-01-22 | 2014-01-22 | Experiment device for testing mechanical characteristics of root system |
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CN201420041875.1U CN203720061U (en) | 2014-01-22 | 2014-01-22 | Experiment device for testing mechanical characteristics of root system |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105486629A (en) * | 2015-12-30 | 2016-04-13 | 内蒙古农业大学 | Pressure-controllable root soil drawing experimental device |
CN106442317A (en) * | 2016-10-21 | 2017-02-22 | 长江勘测规划设计研究有限责任公司 | Plant single-root pulling-out strength determination device and test method |
CN108605466A (en) * | 2018-04-23 | 2018-10-02 | 山东省农业科学院玉米研究所(山东省农业科学院玉米工程技术研究中心) | A kind of bathmic device of monitoring crop seeds main root and monitoring method |
CN109765177A (en) * | 2019-03-14 | 2019-05-17 | 华中农业大学 | A kind of paddy field soil sticks force measuring instrument |
CN109946223A (en) * | 2019-03-19 | 2019-06-28 | 南宁学院 | A kind of cassava pulls up the rig for model test of mechanical analysis test |
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2014
- 2014-01-22 CN CN201420041875.1U patent/CN203720061U/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105486629A (en) * | 2015-12-30 | 2016-04-13 | 内蒙古农业大学 | Pressure-controllable root soil drawing experimental device |
CN105486629B (en) * | 2015-12-30 | 2018-12-11 | 内蒙古农业大学 | A kind of root soil drawing experimental provision of controllable pressure |
CN106442317A (en) * | 2016-10-21 | 2017-02-22 | 长江勘测规划设计研究有限责任公司 | Plant single-root pulling-out strength determination device and test method |
CN106442317B (en) * | 2016-10-21 | 2023-05-23 | 长江勘测规划设计研究有限责任公司 | Plant single-root extraction strength measuring device and method |
CN108605466A (en) * | 2018-04-23 | 2018-10-02 | 山东省农业科学院玉米研究所(山东省农业科学院玉米工程技术研究中心) | A kind of bathmic device of monitoring crop seeds main root and monitoring method |
CN108605466B (en) * | 2018-04-23 | 2020-12-22 | 山东省农业科学院玉米研究所(山东省农业科学院玉米工程技术研究中心) | Device and method for monitoring growth force of main roots of crop seeds |
CN109765177A (en) * | 2019-03-14 | 2019-05-17 | 华中农业大学 | A kind of paddy field soil sticks force measuring instrument |
CN109946223A (en) * | 2019-03-19 | 2019-06-28 | 南宁学院 | A kind of cassava pulls up the rig for model test of mechanical analysis test |
CN109946223B (en) * | 2019-03-19 | 2021-09-10 | 南宁学院 | Model test stand for cassava pulling mechanical analysis test |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20150122 |
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EXPY | Termination of patent right or utility model |