CN202420477U - Triaxial perpendicular topographical change measuring device - Google Patents

Triaxial perpendicular topographical change measuring device Download PDF

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Publication number
CN202420477U
CN202420477U CN2011204639088U CN201120463908U CN202420477U CN 202420477 U CN202420477 U CN 202420477U CN 2011204639088 U CN2011204639088 U CN 2011204639088U CN 201120463908 U CN201120463908 U CN 201120463908U CN 202420477 U CN202420477 U CN 202420477U
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CN
China
Prior art keywords
crossbeam
guide rails
along
slide block
triaxial
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
CN2011204639088U
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Chinese (zh)
Inventor
龚家国
贾仰文
周祖昊
牛存稳
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China Institute of Water Resources and Hydropower Research
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China Institute of Water Resources and Hydropower Research
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Publication date
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Priority to CN2011204639088U priority Critical patent/CN202420477U/en
Application granted granted Critical
Publication of CN202420477U publication Critical patent/CN202420477U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relates to a triaxial perpendicular topographical change measuring device, which comprises two down-slope guide rails which are mutually in parallel and kept inclined relative to the horizontal plane. A crossbeam capable of moving along the two down-slope guide rails can be arranged between the two down-slope guide rails, at least one vertical scale perpendicular to the plane determined by the two down-slope guide rails and capable of moving along the crossbeam is arranged on the crossbeam, and a horizontal scale along the crossbeam is arranged on the crossbeam. By the aid of the slide guide rails and strict triaxial perpendicular relation, a strict observation coordinate system is formed so that observation points can be more accurately positioned, and errors and arbitrariness of artificially determining the direction are avoided. The water flow boundary condition observed by the triaxial perpendicular topographical change measuring device is strictly limited as the cross section of water flow to be more effectively in line with computing requirements of hydraulics, so that reliability and precision of test observation and computing results thereof are effectively enhanced, and the triaxial perpendicular topographical change measuring device is an effective tool for measuring slope erosion form and the erosion water flow boundary condition under the condition of rainfall.

Description

A kind of three deformation measurement mechanisms vertically
Technical field
The utility model relates to a kind of three deformation measurement mechanisms vertically, is a kind of hydrological experiment measurement mechanism, is a kind of landform measure of the change device that surface soil is received the water erosion experiment.
Background technology
Slope soil erosion is to be the terrestrial erosion process of main drive with the water movement, and therefore, the water stream characteristics parameter in the underlying surface form evolution process and the different moment must be accurately measured in its mechanism research.Yet owing to produce the condition of confluxing in difference in the erosion caused by sloping surfaces process, like the combined action of soil, vegetation, landform etc., surface configuration develops rapidly, and the current boundary condition changes frequent.Yet, because the influence of the raindrop of rainfall does not also have the contactless surface configuration automatic measurement system under the rainfall environment at present.Experimental study in the past mainly takes the artificial visually examine to locate, and measures the characteristic parameter of surface configuration and flow shape.This method is difficult to guarantee, to accurate location and the measuring accuracy thereof that specifically locates.
Summary of the invention
In order to overcome prior art problems, the utility model provides a kind of three deformation measurement mechanisms vertically.Described device uses guide rail to form definite plane, uses scale that the hollow face of land of water erosion is accurately measured.
The purpose of the utility model is achieved in that a kind of three deformation measurement mechanisms vertically; Comprise: two with surface level suitable sloping guide rail that keep and that be parallel to each other; Being provided with between described two suitable sloping guide rails can be along two crossbeam that move along sloping guide rails; Described crossbeam be provided with at least one with two along the determined plane of sloping guide rail vertical scale vertical and that can move along crossbeam, described crossbeam is provided with the horizontal ruler along crossbeam.
The beneficial effect that the utility model produces is: through rail plate and strict three-dimensional vertical relation; Formed strict observation coordinate system; Make that the location of observation station is relatively accurate, avoided artificial in the past and confirmed that the sum of errors of direction is random, make observed result more objective.The current boundary condition strictness of adopting the utility model to observe is restricted to the xsect of current; Meet the hydraulics calculation requirement more; The reliability and the precision of test observation and result of calculation thereof have effectively been improved; Be the effective tool of domatic etching pattern under the condition of raining and the measurement of erosion current boundary condition, the observation instrument of science is provided for the research of indoor and outdoor water erosion mechanism.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Fig. 1 is the structural representation of the embodiment one said device of the utility model;
Fig. 2 is the measuring principle synoptic diagram of the embodiment one said device of the utility model.
Embodiment
Embodiment one:
Present embodiment is a kind of three deformation measurement mechanisms vertically, and is as shown in Figure 1.Present embodiment comprises: two with surface level suitable sloping guide rail 1,5 that keep and that be parallel to each other; Being provided with between described two suitable sloping guide rails can be along two crossbeam 2 that move along sloping guide rails; Described crossbeam be provided with at least one with two along the determined plane of sloping guide rail vertical scale 4 vertical and that can move along crossbeam, described crossbeam is provided with the horizontal ruler 3 along crossbeam.
The said device of present embodiment is in order to solve the problem that surface configuration change procedure in the rainfall erosion process is measured, the face of land mima type microrelief measure of the change device that utilized three vertical principle design.As shown in Figure 2, through two along sloping guide rails (Fig. 2 middle conductor AB representative is along sloping guide rail owing to be side view, so two overlap along sloping guide rails and to be straight line) experimental plot under the various gradient conditions inside and outside the measuring chamber very easily.
During concrete observation, at first determine the measuring frequency section position, afterwards two parallel suitable sloping guide rails being placed on the measuring frequency section is in the experiment sub-district at center, through adjustment and mobile two positions along sloping guide rails, confirms to test the position and the width of sub-district.Then crossbeam is moved to by measuring frequency section along suitable sloping guide rail, on crossbeam, move vertical scale, confirm an observation station,, can obtain the distance of observation station between the projection that projects to ground surface on the crossbeam through the measurement of vertical scale.Represent measuring frequency section by line segment CD among Fig. 2, measuring frequency section is perpendicular to paper in Fig. 2.The intersection point E of line segment CD and line segment AB represents the projection of observation station on crossbeam; The intersection point F of line segment CD and irregular curve represents the projection of observation station at ground surface; So the distance between the EF, the just distance (irregular curve among Fig. 2 is represented tested ground surface) of the vertical tape measure of needs.Vertical scale is moved along crossbeam, can obtain a plurality of observation stations on the measuring frequency section.Through reading the horizontal ruler on the crossbeam, can obtain the horizontal relative distance between the observation station.Through analyzing the difference between the vertical rod reading of each observation station, confirm the horizontal direction variable quantity of the erosion caused by sloping surfaces form.
Present embodiment is through two parallel suitable sloping guide rails; (measurement plane among Fig. 2 is perpendicular to paper to definite measurement plane that is formed by countless observation stations; By straight line AB representative), it is just can measure accurately as a reference that this measurement plane of confirming has been arranged.These two parallel suitable sloping guide rails can be arranged on sloping both sides, also can be arranged on the centre on slope, should keep certain distance between two parallel guide rails, make crossbeam keep necessary stablizing.
Described crossbeam also is a guide rail.Crossbeam can be vertical with two parallel guide rails, also can keep a definite angle with two guide rails.Keep which type of angle between crossbeam and two closed slides, which type of measuring frequency section is key be to need to form.
For making the crossbeam can be along level and smooth moving on the sloping guide rail, and receive two constraints along sloping guide rails, crossbeam with along sloping guide rail position contacting slide block can be set.Slide block is fixedly connected with crossbeam, is slidingly connected with guide rail.Guide rail plays the effect of constraint to slide block, slide block is slided on guide rail, and can not depart from guide rail.With respect to two suitable sloping guide rails, two slide blocks to be set also on the crossbeam.Two slide blocks can be arranged on the crossbeam two ends, also can be arranged in the middle of the crossbeam with two along on the relative position of sloping guide rail.Crossbeam and two slide blocks can directly weld, normality mode such as bonding is fixed together; Also can the slide block and the crossbeam of an end be fixed together with the normality mode; The slide block of the other end uses fixing abnormal fixed connection (fixed connection that promptly can the conveniently break away from) mode of jackscrew; Can regulate two distances between the slide block like this, adapt to two, measure to adapt to different inclination slopes along different distances between the sloping guide rail.
For making on crossbeam, moving that vertical scale can be level and smooth, the crossbeam slide block can be set on crossbeam.The crossbeam slide block receives the constraint of crossbeam, can only move along crossbeam, is equivalent in measurement plane, move along straight line.Cross this straight line and the plane vertical, be measuring frequency section with measurement plane, observation station the projection on the crossbeam and observation station in the projection of ground surface all in this measuring frequency section.In fact; Vertically scale moves the plane that is scanned out and is measuring frequency section on crossbeam; And vertically scale passes through in this plane just; Could be correct measure observation station accurate distance between the projection on the crossbeam and the projection of observation station at ground surface, for terrestrial erosion research offers precise data.
Vertically scale can have many kinds of forms, simply can hold a kind of ruler of hard, directly measures the distance between the crossbeam slide block and the face of land.The scale card perhaps is set on the crossbeam slide block, ruler is stuck on the crossbeam slide block.Ruler can slide up and down in the scale card, to adapt to the variation on the face of land.
The scale card can have various ways; Simply can on the crossbeam slide block, open the groove that matches with the ruler width together; The ruler of hard is placed in the groove, uses an elastic mechanism that ruler is pushed down, it can not broken away from from the groove of crossbeam slide block; And ruler can slide up and down in groove the touching, leave behind of staff.Also can use the jackscrew rather than the elastic mechanism that have handwheel, prevent to break away from the groove in the ruler.
Each part, parts such as the described guide rail of present embodiment, slide block, scale can use metal or rigid plastic manufacturing, also can use wood materials, or other hard materials.Metal material can be stainless steel or other nonferrous materialss.Plastics can be organic chemical industry's materials that PVC etc. has certain strength and stiffness.The described fixed connection of present embodiment comprises: welding, the bonding or connected mode different according to manufactured materials that be threaded.
Embodiment two:
Present embodiment is the improvement of embodiment one, is the refinement of embodiment one about crossbeam.Described crossbeam one end of present embodiment is fixedly connected with and can be provided with near the other end of said crossbeam with fastening bolt 203 and the moving slider 202 crossbeam locking and that can on suitable sloping guide rail, slide along the fixedly slide block 201 that slides on the sloping guide rail.
If the metal material of crossbeam and slide block use stainless steel etc., then the described fixedly slide block of present embodiment can be welding with being fixedly connected of crossbeam, also can use a plurality of screws fastening.Described moving slider then needs threaded screw, and jackscrew withstands on the crossbeam through screw, produces fixation, and holding screw has the handwheel of conveniently tightening.
Embodiment three:
Present embodiment is the improvement of the foregoing description, is the improvement of the foregoing description about the crossbeam slide block.The described crossbeam of present embodiment is provided with at least one crossbeam slide block 401 that can move along crossbeam, and described crossbeam slide block is provided with the scale card, and described scale card is connected to vertical scale on the crossbeam.
Be convenient measurement, a plurality of crossbeam slide blocks can be set on crossbeam, a vertical scale is set on each crossbeam slide block, a plurality of vertical scales just are set, can on a measuring frequency section, simultaneously a plurality of observation stations be measured like this.
Embodiment four:
Present embodiment is the improvement of the foregoing description, is the refinement of the foregoing description other parts about each, and present embodiment is described along sloping guide rail, crossbeam, scale, and fixedly the manufacturing materials of slide block, moving slider, crossbeam slide block is a stainless steel.
The scale card can be the jackscrew that has handwheel, also can be the hold down gag that has elastic mechanism.
What should explain at last is; Below only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to the preferred arrangement scheme the utility model is specified, those of ordinary skill in the art should be appreciated that can be to technical scheme of the present invention (such as the crossbeam that adopts different polygonal cross-sections; Make vertical scale and crossbeam slide block form different observation angles etc. with measuring frequency section) make amendment or be equal to replacement, and do not break away from the spirit and the scope of technical scheme of the present invention.

Claims (4)

1. one kind three deformation measurement mechanisms vertically; It is characterized in that; Comprise: two with surface level suitable sloping guide rail that keep and that be parallel to each other; Described two can be along being provided with between the sloping guide rails along two crossbeams that move along sloping guide rails, described crossbeam be provided with at least one with two along the vertical vertical scale that also can move along crossbeam in the determined plane of sloping guide rail, described crossbeam is provided with the horizontal ruler along crossbeam.
2. device according to claim 1; It is characterized in that; Described crossbeam one end is fixedly connected with the fixedly slide block that can on suitable sloping guide rail, slide, and the other end of said crossbeam is provided with moving slider fastening bolt and crossbeam locking and that can on suitable sloping guide rail, slide.
3. device according to claim 1 and 2 is characterized in that, described crossbeam is provided with at least one crossbeam slide block that can move along crossbeam, and described crossbeam slide block is provided with the scale card, and described scale card is connected to vertical scale on the crossbeam.
4. device according to claim 3 is characterized in that, described leading along sloping guide rail, crossbeam, scale, and fixedly the manufacturing materials of slide block, moving slider, crossbeam slide block is a stainless steel.
CN2011204639088U 2011-11-21 2011-11-21 Triaxial perpendicular topographical change measuring device Expired - Fee Related CN202420477U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204639088U CN202420477U (en) 2011-11-21 2011-11-21 Triaxial perpendicular topographical change measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204639088U CN202420477U (en) 2011-11-21 2011-11-21 Triaxial perpendicular topographical change measuring device

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104266630A (en) * 2014-09-02 2015-01-07 中国水利水电科学研究院 High-precision terrain measuring system
CN105783822A (en) * 2016-04-29 2016-07-20 河海大学 Reinforced ecological slope protection waterpower erosion measuring instrument
CN106198369A (en) * 2016-06-30 2016-12-07 水利部牧区水利科学研究所 A kind of soil drifting measurement apparatus and soil drifting measuring method
CN109164035A (en) * 2018-08-22 2019-01-08 国诚集团有限公司 soil erosion rate monitoring method
CN112284337A (en) * 2020-11-25 2021-01-29 武汉大学 River model multi-parameter measuring device and walking control method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104266630A (en) * 2014-09-02 2015-01-07 中国水利水电科学研究院 High-precision terrain measuring system
CN105783822A (en) * 2016-04-29 2016-07-20 河海大学 Reinforced ecological slope protection waterpower erosion measuring instrument
CN105783822B (en) * 2016-04-29 2018-07-13 河海大学 Reinforcement ecological revetment water erosion measuring instrument
CN106198369A (en) * 2016-06-30 2016-12-07 水利部牧区水利科学研究所 A kind of soil drifting measurement apparatus and soil drifting measuring method
CN106198369B (en) * 2016-06-30 2019-06-28 水利部牧区水利科学研究所 A kind of soil drifting measuring device and soil drifting measurement method
CN109164035A (en) * 2018-08-22 2019-01-08 国诚集团有限公司 soil erosion rate monitoring method
CN109164035B (en) * 2018-08-22 2021-08-31 国诚集团有限公司 Soil erosion rate monitoring method
CN112284337A (en) * 2020-11-25 2021-01-29 武汉大学 River model multi-parameter measuring device and walking control method thereof
CN112284337B (en) * 2020-11-25 2021-08-03 武汉大学 River model multi-parameter measuring device and walking control method thereof

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GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120905

Termination date: 20141121