CN207816714U - A kind of device for the mechanical resistance measuring water plant - Google Patents
A kind of device for the mechanical resistance measuring water plant Download PDFInfo
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- CN207816714U CN207816714U CN201721766390.9U CN201721766390U CN207816714U CN 207816714 U CN207816714 U CN 207816714U CN 201721766390 U CN201721766390 U CN 201721766390U CN 207816714 U CN207816714 U CN 207816714U
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- tensiometer
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- adjusting rod
- fixture
- plant
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Abstract
The utility model provides a kind of device for the mechanical resistance measuring water plant.The device includes holder, upper fixture, lower fixture and tensiometer, and holder includes adjusting rod moving up and down, and tensiometer upper end is connected on adjusting rod, and tensiometer lower end connects upper fixture, and lower fixture is fixedly connected on holder, and positioned at the lower section of upper fixture.When measuring water plant mechanical resistance, detected part is fixed between upper fixture and lower fixture, the fracture strength by detecting detected part can obtain the mechanical resistance of plant.The device can effectively pick out the easily damaged position of plant and obtain the species for being damaged threshold value and easily damaged species and resistance, be conducive to configure suitable species according to hydrodynamic condition in Ecological Restoration Works, promote ecological recovery effect.The device has device distribution method simple, easily operated, high certainty of measurement, the reliable advantage of data.
Description
Technical field
The utility model belongs to aquatic phytoecology research and water plant technical field of biological recovery, and in particular to one
Kind measures the device of the mechanical resistance of water plant.
Background technology
Water plant is the important component of lake ecosystem, is maintaining ecosystem balance, is improving water environment side
Mask plays an important role.Aquatic vegetation is protected and rebuilds the key for being not only to maintain " clear water type " lake, and is lake
Eutrophication controls and the important means of water correction.Hydrodynamic force is one of plant recovery restrictive factor, manual reversion plant
After primary or high sea effect for several times, often there are some species biomass and reduce the phenomenon that even disappearing（Gulati et al,
2008）.Water plant also often occurs for the lake natural ecosystems of unartificial reparation by hydrodynamic force damage phenomenon (Scheffer
et al, 1993; Bachmann et al, 2000）.It can be seen that strong lake Hydrodynamic Process is to manually repairing aquatic plant
Natural vegetation can all damage in object and water body in lake.However, influence of the hydrodynamic force to plant not only has with hydrodynamic intensity
Outside the Pass, also closely related with floristics and its critical flow velocity that can be born.Some plants are adapted to high wind wave, some plants
Since the critical flow velocity that can be born is smaller, it is easy under Lidar Equation impaired.Therefore, it is protected in current China's lake aquatic vegetation
It is highly valued with reparation, and as under the situation for improving lake water quality core missions and means, findding out water plant can hold
The difference for the critical flow velocity that the critical flow velocity received can be born between the difference and different plant species of plant different parts is right
In further investigation aquatic phytoecology feature, large-scale eutrophic lake water plant decline is disclosed to hydrodynamic response machine
Fixture has most important theories meaning, and also for instructing, the species of aquatic vegetation ecological recovery configure and management has practice significance.Water
The critical flow velocity that can be born and its mechanical resistance of plant are closely related, and its mechanical resistance can be by fracture strength come table
Sign.In lake, the pulling force that each position of water plant is born is the drag under wave lake current effect, and a certain position of plant is dragged
When drag force is more than fracture strength, the position is impaired by fracture.Therefore, it is necessary to seek a kind of to carry out what water plant can be born
The apparatus and method that critical flow velocity measures understand fully the easily damaged position of water plant and threshold value crucial, disclose energy between different plant species
The critical flow velocity difference born promotes life for rationally carrying out species configuration according to hydrodynamic condition in Ecological Restoration Works
State recovery effects have great importance.
Utility model content
The utility model is intended to provide a kind of device for the mechanical resistance measuring water plant, can measure the machinery of plant
Resistance is conducive to pick out the easily damaged position of plant to conveniently further calculate the critical flow velocity that water plant can bear
With impaired threshold value, disclose the critical flow velocity difference that can be born of different plant species, be Ecological Restoration Works according to hydrodynamic condition
It rationally carries out species configuration and research method is provided.
To reach above-mentioned purpose, the utility model proposes a kind of devices for the mechanical resistance measuring water plant, including branch
Frame, upper fixture, lower fixture and tensiometer,
The holder includes adjusting rod moving up and down,
The tensiometer upper end is connected on the adjusting rod, and the tensiometer lower end connects the upper fixture,
The lower fixture is fixedly connected on the holder, and positioned at the lower section of the upper fixture.
Further, the adjusting rod is horizontally disposed, and the holder includes the buffer rail being vertically arranged, on the buffer rail
The adjusting rod is connected by clamping device.User can adjust the height of the adjusting rod by adjusting the clamping device
Degree, to adjust the height of the tensiometer so that the device can be suitable for the plant of different height and plant is different waits for
Survey position.
Further, the clamping device is locating clip.
Further, it is connected with hand-rail type capstan winch on the adjusting rod, the twisted rope with capstan winch cooperation is steel wire, described
The free end of steel wire connects the tensiometer.User can accurately adjust the height of tensiometer, make by rotating hand-rail type capstan winch
The detected part of measured plant and plant can accurately be matched by obtaining the device.
Further, the pulling force is calculated as digital display tensiometer.
Further, the material of the holder is metal.
Further, the holder is coating steel pipe.
Further, the lower fixture includes two panels intermediate plate and fastening bolt, and the fastening bolt is pressed from both sides through the two panels
Piece.User can adjust the elastic of lower fixture by adjusting fastening bolt, to adjust and fixation measuring object.
Further, the clip surface is enclosed with gauze, can prevent destruction of the intermediate plate to plant.
Further, the buffer rail height is 2000mm, a diameter of 25mm.
Further, a diameter of 100mm of the adjusting rod, long 400mm.
Further, the tensiometer peak load is 200N, scale division value 0.01N, measurement accuracy 0.01N.
The mechanical resistance that water plant is measured using device described in the utility model, is included the following steps：
1）The root of water plant is fixed on the lower fixture first；
2）The detected part of the water plant is fixed using the upper fixture；
3）The height of the tensiometer is slowly increased until the water plant is broken, and records shown by the tensiometer
Maximum value F, the as fracture strength of the detected part of the water plant.The mechanical resistance of the water plant is answered with the fracture
Power F characterizations.
Further, the detected part is base portion, stem, section or the petiole of the water plant.
By above the technical solution of the utility model it is found that the utility model has device distribution method simple, it is easy to grasp
Make, high certainty of measurement, the reliable advantage of data.Can reveal that water plant fracture strength plant body different parts difference,
It effectively picks out plant easily damaged position and obtains and be damaged threshold value, the mechanical resistance of water plant can also be disclosed and can bear
Difference of the critical flow velocity between different plant species effectively picks out easily damaged species and species that the critical flow velocity that can bear is strong.
The utility model the critical flow velocity that can bear of calculated plant, be conducive in Ecological Restoration Works according to hydrodynamic force item
Part configures suitable species, promotes ecological recovery effect, is suitable for aquatic phytoecology research and water plant maintenance management
Practice.
It should be appreciated that as long as aforementioned concepts and all combinations additionally conceived that describe in greater detail below are at this
Sample design it is not conflicting in the case of can be viewed as the disclosure utility model theme a part.In addition, being wanted
All combinations of the theme of protection are asked to be considered as a part for the utility model theme of the disclosure.
The foregoing and other side of the utility model introduction can be more fully appreciated from the following description in conjunction with attached drawing
Face, embodiment and feature.The feature and/or advantageous effect of other additional aspects such as illustrative embodiments of the utility model
To be obvious in the following description, or will be learnt in the practice by the specific implementation mode instructed according to the utility model.
Description of the drawings
Attached drawing is not intended to drawn to scale.In the accompanying drawings, identical or approximately uniform group each of is shown in each figure
It can be indicated by the same numeral at part.For clarity, in each figure, not each component part is labeled.
Now, by by example and be described in reference to the drawings the utility model various aspects embodiment, wherein：
Fig. 1 is the apparatus structure schematic diagram of the mechanical resistance described in the utility model for measuring water plant.
Fig. 2 is holder described in the utility model and lower clamp structure schematic diagram.
Fig. 3 is the partial structural diagram of adjusting rod and hand-rail type capstan winch described in the utility model.
Fig. 4 is the structural side view of hand-rail type capstan winch described in the utility model.
Wherein, 10 be measure water plant mechanical resistance device, 20 be holder, and 30 be upper fixture, and 40 be tensiometer,
50 be test object, specially plant, and 60 be lower fixture, and 201 be buffer rail, and 202 be adjusting rod, and 203 be locating clip, and 601 are
Intermediate plate, 602 be clamp device, and 70 be hand-rail type capstan winch, and 701 be steel wire, and 702 be capstan winch handle.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.The reality of the disclosure
Apply all aspects of the example it is not intended to cover the utility model.It should be appreciated that a variety of designs and embodiment presented hereinbefore, with
And those of describe in more detail below design and embodiment can in many ways in any one implement, this be because
It is not limited to any embodiment for design disclosed in the utility model and embodiment.In addition, disclosed by the utility model one
A little aspects can be used alone, or otherwise any appropriately combined be used with disclosed by the utility model.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as new to this practicality
The limitation of type.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
Embodiment 1
As shown in Figs 1-4, a kind of device for the mechanical resistance measuring water plant, including holder 20, upper fixture 30, lower folder
Tool 60 and tensiometer 40, the holder 20 include adjusting rod 202 moving up and down, and 40 upper end of the tensiometer is connected to described
On adjusting rod 202,40 lower end of the tensiometer connects the upper fixture 30, and the lower fixture 60 is fixedly connected on the holder 20
On, and positioned at the lower section of the upper fixture 30.
The adjusting rod 202 is horizontally disposed, and the holder 20 includes the buffer rail 201 being vertically arranged, the buffer rail 201
It is upper that the adjusting rod 202 is connected by clamping device 203.
The clamping device 203 is locating clip.
Hand-rail type capstan winch 70 is connected on the adjusting rod 202, the twisted rope 701 with capstan winch cooperation is steel wire, described
The free end of steel wire connects the tensiometer 40.
The tensiometer 40 is digital display tensiometer.
The material of the holder 20 is metal.
The holder 20 is coating steel pipe.
The lower fixture 60 includes two panels intermediate plate 601 and fastening bolt 602, and the fastening bolt 602 runs through the two panels
Intermediate plate 601.
The intermediate plate 601 is coated with gauze, can prevent destruction of the intermediate plate to plant.
201 height of the buffer rail is 2000mm, a diameter of 25mm.
The adjusting rod 202 a diameter of 100mm, long 400mm.
40 peak load of the tensiometer is 200N, scale division value 0.01N, measurement accuracy 0.01N.
The critical flow velocity that the stem of water chestnut can bear is measured using above-mentioned apparatus, the specific steps are：
1）The root of water chestnut is fixed on the lower fixture 60 first；
2）The stem of plant is fixed using the upper fixture 60；
3）The height of the tensiometer 40 is slowly increased until the stem of water chestnut is broken, and records shown by the tensiometer
Maximum valueF=96N, the as fracture strength of the stem.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that：
Can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and objective, modification, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (9)
1. a kind of device for the mechanical resistance measuring water plant, which is characterized in that including holder, upper fixture, lower fixture and drawing
Power meter,
The holder includes adjusting rod moving up and down,
The tensiometer upper end is connected on the adjusting rod, and the tensiometer lower end connects the upper fixture,
The lower fixture is fixedly connected on the holder, and positioned at the lower section of the upper fixture；
Hand-rail type capstan winch is connected on the adjusting rod, the twisted rope with capstan winch cooperation is steel wire, the free end of the steel wire
Connect the tensiometer.
2. the apparatus according to claim 1, which is characterized in that the adjusting rod is horizontally disposed, and the holder includes vertical
The buffer rail of setting connects the adjusting rod on the buffer rail by clamping device.
3. the apparatus of claim 2, which is characterized in that the clamping device is locating clip.
4. the apparatus according to claim 1, which is characterized in that the pulling force is calculated as digital display tensiometer.
5. the apparatus according to claim 1, which is characterized in that the material of the holder is metal.
6. device according to claim 5, which is characterized in that the holder is coating steel pipe.
7. the apparatus according to claim 1, which is characterized in that the lower fixture includes two panels intermediate plate and fastening bolt, institute
It states fastening bolt and runs through the two panels intermediate plate.
8. device according to claim 7, which is characterized in that the clip surface is enclosed with gauze.
9. the apparatus according to claim 1, which is characterized in that the tensiometer peak load is 200N, and scale division value is
0.01N, measurement accuracy 0.01N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721766390.9U CN207816714U (en) | 2017-12-15 | 2017-12-15 | A kind of device for the mechanical resistance measuring water plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721766390.9U CN207816714U (en) | 2017-12-15 | 2017-12-15 | A kind of device for the mechanical resistance measuring water plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207816714U true CN207816714U (en) | 2018-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721766390.9U Active CN207816714U (en) | 2017-12-15 | 2017-12-15 | A kind of device for the mechanical resistance measuring water plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051549A (en) * | 2017-12-15 | 2018-05-18 | 中国科学院南京地理与湖泊研究所 | A kind of apparatus and method for measuring the current critical flow velocity that water plant can be born |
-
2017
- 2017-12-15 CN CN201721766390.9U patent/CN207816714U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051549A (en) * | 2017-12-15 | 2018-05-18 | 中国科学院南京地理与湖泊研究所 | A kind of apparatus and method for measuring the current critical flow velocity that water plant can be born |
| CN108051549B (en) * | 2017-12-15 | 2024-03-15 | 中国科学院南京地理与湖泊研究所 | Device and method for measuring critical flow rate of water flow bearable by aquatic plants |
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