CN207379908U - Seawater transparency in-situ measurement device - Google Patents

Abstract

The utility model provides a kind of seawater transparency in-situ measurement device, equipped with transmission measuring unit and support fixed cell, supports fixed cell for that will be driven the ship side that measuring unit is fixed on surveying vessel；Being driven measuring unit includes geared capstan, rigid Multi-section telescopic rod and transparent scale；Support fixed cell includes deck of boat locking member and is secured to the telescopic rod Fu Zhi mechanisms of connection；Geared capstan is fixed by deck of boat locking member on the quarter；It is fixed at the top of rigid Multi-section telescopic rod by telescopic rod Fu Zhi mechanisms；Transparent scale is fixedly connected with the end of rigid Multi-section telescopic rod；The end face of at least one gear of geared capstan can be in close contact perpendicular to ship side surface and the flank of tooth with rigid Multi-section telescopic rod beyond hull；Rigid Multi-section telescopic rod at least can be equipped with parallel several grooves for gear tooth insertion on the surface with Gear Contact.The measuring device of the utility model can accurately measure seawater transparency, be especially suitable for applying in the deep sea water measurement of the high grade of transparency.

Description

Seawater transparency in-situ measurement device

Technical field

The utility model belongs to marine exploration field, and in particular to a kind of measuring device of seawater transparency.

Background technology

Seawater transparency represents the degree of seawater light transmission, the i.e. attenuation degree of light in the seawater, it can characterize ocean water The clarification degree of body is a kind of intuitively marine optics parameter.The observation of seawater transparency, to ensure communications and transportation safety, Naval warfare, aquaculture cause etc. suffer from important function.For example, seawater transparency is high, make us it is possible that avoiding submerged reef Or dangerous obstacles.Such as the more coral reefs in China South Sea, but because seawater transparency is big, visual depth is deep, therefore while navigating by water does not go out danger generally Danger.Research seawater transparency also contribute to identification ocean current distribution, ocean ocean current have the water colour different from its surrounding seawater and Transparency.Research seawater transparency also has certain meaning for fishery cultivating industry, for example, abalone, the cultivation requirement sea of sea cucumber Water clarity is high, and supports blood clam, razor clam, oyster and then require seawater transparency low.In addition, sea must be also estimated in naval's military activity Influence of the optical properties such as the transparency of water for war, preferably to be screened and to be pretended.

In the prior art, to the in situ measurement generally use Sai Shi disks method (Secchi plan) of water transparency, i.e., with white The disk of color carrys out the transparency in observation water.Sai Shi disks be earliest by sharp cloth Nao (Liburnau) invent, after by Italy Priest fill in gram (A.Secchi) used first in Mediterranean, then it is wide-spread, descendant be habitually called " Sai Shi disks " or " plug gram transparent scale ".Sai Shi disks are a kind of white plectanes of a diameter of 30cm, are hung with plummet under disk, are to have rope on disk, Rope is marked with the length mark in units of decimetre.Positive one side is aboard ship carried on the back during use, by Sai Shi disks vertically into the water, directly Until not seeing just, the water depth of Sai Shi disks " disappearance " at this time is the transparency of the water body.

Above-mentioned traditional measuring device is more applicable in the relatively low water body of relatively shallower, relatively placidity or transparency. But it for the water body that flow velocity is very fast or transparency is higher, especially for deep sea water, is measured using above-mentioned typical measuring arrangements Resultant error is larger during transparency.Reason includes：Sai Shi disks are hung by tightrope, and the deeper tightrope of depth into seawater is more not easy to protect It is vertical to hold, and Sai Shi disks more easily shift so that measuring numerical value, there are large errors with actual value；In addition deep sea water is transparent Whether degree can often reach hundred meters or more, only visible far from enough with naked eyes identification Sai Shi disks.In the prior art to plug The device of family name's disk method measurement water transparency has many evolutionary approach, including aggravating heavy vertical quality (as aggravated below Sai Shi disks Vertical is either to increase clump weight etc. below Sai Shi disks) or connecting rope inclination angle measurement device is added to convert it vertically Distance, etc..But these evolutionary approach still cannot well solve the problem of Sai Shi disks shift, to measurement accuracy It improves very limited.204594878 U of Chinese patent literature CN disclose a kind of for high flow velocity water body transparency detection measurement Disk, including heavy water clarity disk, sinker, connection steel wire, the more piece that a retractable is arranged outside the connection steel wire is hollow Pipe-in-pipe, the lower end of the connection steel wire are fixed in the section hollow sleeve of end, connect the upper end of steel wire from top position It is stretched out in the hollow sleeve put, forms and covered pipe assembly by the extension type more piece Combined hollow of connection steel wire control；Described Heavy water clarity disk saves hollow sleeve with end by a screw rod and is connected, and sets one to sink in the bottom of heavy water clarity disk Thus hammer forms the free falling mechanism of drawing connection steel wire.The program uses rigid telescopic rod instead of rope, although Reduce the drift occurred when transparent scale uses in water body to a certain extent, but be applied to the larger deep-sea water of transparency During bulk measurement, required casing joint number is more, and such structure has many limitations.On the one hand, more piece combination The stretching, extension of formula hollow sleeve is only to be pulled open section by section by the sinker gravity of transparent scale bottom, if set tube coupling among practice Number is more, then it is difficult to ensure that the casing of each section submerged is all thoroughly pulled open, once having casing not to be fully withdrawn will lead It causes error in reading and is difficult to find and adjust；On the other hand, the retraction impetus of the more piece Combined hollow casing is in steel The position that silk is fixedly connected with end section hollow sleeve, the impetus will be far from surveying vessel after steel wire end section gos deep into seawater, survey Amount person is difficult to control in the case of impetus, and there are greater risks.

Utility model content

In view of above-mentioned limitation in the prior art, the purpose of this utility model is that：A kind of new seawater is provided The in-situ measurement device of transparency can not only effectively avoid error caused by transparent scale drift, and launch and recycle all It is safely controllable, it is thus possible to accurately to measure seawater transparency, be especially suitable for applying in the deep sea water measurement of the high grade of transparency.

The above-mentioned purpose of the utility model is achieved through the following technical solutions：

A kind of in-situ measurement device of seawater transparency is provided, it is described equipped with transmission measuring unit and support fixed cell Support fixed cell be used to for the transmission measuring unit to be fixed on the ship side of surveying vessel, while provide and support vertically； The transmission measuring unit includes geared capstan, rigid Multi-section telescopic rod and transparent scale；The support fixed cell bag It includes deck of boat locking member and is secured to the telescopic rod Fu Zhi mechanisms of connection；The geared capstan passes through the deck of boat locking member It fixes on the quarter；It is fixed at the top of the rigid Multi-section telescopic rod by the telescopic rod Fu Zhi mechanisms, and is vertically placed to ship Beyond body；The upper surface of the transparent scale end most thin with the rigid Multi-section telescopic rod is fixedly connected；Described It the end face of at least one gear of geared capstan can be with the rigid Multi-section telescopic rod in ship perpendicular to ship side surface and the flank of tooth It is in close contact beyond body；The rigid Multi-section telescopic rod at least can on the surface of the Gear Contact be equipped with it is parallel Several grooves are embedded in for the gear tooth.

Measurement thought design of the measuring device of the utility model still based on classical Sai Shi disk methods, but plug therein Family name's disk is no longer rely on heavy vertical or clump weight gravity submerged, but is pulled open downwards just by being fixed on the geared capstan of ship side The mode of property telescopic rod stretches into Sai Shi disks in water.So not only solve the problem of Sai Shi disks drift about with current, and for Depth of the Sai Shi disks apart from the water surface is grasped more accurate, and the process of entire sinking and recycling is more safely controllable.

Measuring device described in the utility model be suitable for different transparencies water body measure, be particularly suitable for transparency compared with High deep sea water.Whether the water transparency in some marine sites only relies on survey crew naked eyes identification Sai Shi disks at hundred meters or more It can be seen that can not realize, therefore the deep-sea in order to be more effectively applied to the high grade of transparency, the utility model is preferably in institute Machine vision metrology unit is further set in the seawater transparency in-situ measurement device stated, for replace human eye measurement the water surface with The distance of lower object；The machine vision metrology unit includes annular float, underwater on one face of annular float Photographic device and the image transmitting antenna on another face of annular float；The annular float inner hollow is simultaneously Equipped with control circuit and battery, control circuit and battery are taken the photograph under water by the watertight connector on the annular float surface with described As device and image transmitting antenna are electrically connected；The annular float is sleeved on around the rigid Multi-section telescopic rod, but not It is in close contact therewith.

In order to which the rigid Multi-section telescopic rod for ensureing described can be sequentially sufficiently tensile, in the preferred scheme of the utility model, The rigid Multi-section telescopic rod is successively tightly sleeved by several section square telescopic sleeves that thickness is identical but internal diameter is different and is formed； Often saving telescopic sleeve all includes telescopic segment and the linkage section more than telescopic segment；The telescopic segment of telescopic sleeve is often saved, a certain Plane is equipped with parallel several grooves, and positional symmetry of the two sides vertical with the plane away from the linkage section is equipped with The identical first through hole of a pair of of size；The linkage section of telescopic sleeve is often saved, it is nested with outer layer telescopic sleeve always, it is telescopic sleeve Between nested encryptions provide intensity；It is set in the linkage section for often saving telescopic sleeve close to the positional symmetry of the telescopic segment Have the second through hole that a pair of of size is identical, through hole be internally provided with can along the first elastic projection of a pair of telescopic sleeve footpath convex, Simultaneously in the telescopic rod Fu Zhi mechanisms higher than the gear position be equipped with can be along a pair of telescopic sleeve radial direction convex Second elastic projection；First elastic projection and the second elastic projection specification match with the first through hole It closes, and the elasticity of the first elastic projection is more than the second elastic projection；The rigid Multi-section telescopic rod is in fully collapsed condition When, in addition to innermost layer telescopic sleeve, the first through hole alignment on remaining all telescopic sleeve is installed on the telescopic rod After Fu Zhi mechanisms, second elastic projection of a pair is embedded in the innermost layer of the first through hole of all alignment, prevents except innermost layer The relative motion between telescopic sleeve in addition, at the end of innermost layer telescopic sleeve is stretched to parallel groove by the gear, Its second through hole aligns with the first through hole that outer layer telescopic sleeve aligns, and the first elastic projection can be embedding in the case where being acted on compared with strong elastic Enter the first through hole of alignment and second elastic projection is radially outward squeezed along telescopic sleeve, pass through elasticity design and /V Device controls the depth of the first through hole of the first elastic projection insertion alignment to be more than the thickness of one layer of telescopic sleeve and be less than The thickness of two layers of telescopic sleeve, at this point, the insertion of first elastic projection makes this section telescopic sleeve be stretched with its layer of outside Heat-Shrinkable Tubings form clamping, and one layer of outside telescopic sleeve can be moved downward with internal layer telescopic sleeve, and then with engaged gears progressively Be stretched, and second elastic projection outwards squeezed out continued to prevent after certain distance it is opposite between remaining telescopic sleeve Movement；The first through hole often saved on telescopic sleeve, the first elastic projection and second in the telescopic rod Fu Zhi mechanisms So coordinate between elastic projection, realizing every section telescopic sleeve can move downward in due course.

In the further preferred scheme of the utility model, described often saves the first elastic projection of telescopic sleeve described Size is set to be more than the /V chassis of second through hole inside second through hole, on the inside of /V chassis the spring of radial direction is set to fix Column, /V chassis outside set a size less than the inclined-plane boss of second through hole；In the often section telescopic sleeve, often The same group of compression spring in gap but socket is left between the spring fixed column of a pair of first elastic projection；With the compression spring It is flexible, the inclined-plane boss can pass through second through hole, pass through inclined convex described in the /V chassis warranties The outwardly amplitude peak of platform is only the maximum gauge of the inclined-plane boss.It is described in the preferred scheme of the utility model Each /V chassis on the inside of the spring fixed columns of two different sizes is set, same size in the first paired elastic projection Spring fixed column is socketed same compression spring, and the compression spring force of the spring fixed column socket of different size is different, thus " the dual spring elasticity boss " formed is easier to realize effective extruding to the second elastic projection.

In the further preferred scheme of the utility model, in the telescopic rod Fu Zhi mechanisms, higher than the gear Position further sets short tube skeleton, and the short tube skeleton includes the short tube of one section of both ends open and fixes the short tube Connector in the telescopic rod Fu Zhi mechanisms；The short tube penetrates for the rigid Multi-section telescopic rod, and described Position of the connector in the telescopic rod Fu Zhi mechanisms can be axially adjustable along rigid Multi-section telescopic rod；The short tube both sides Relatively perforate, each tapping is further along the radially outwardly extending setting sliding groove of short tube, each sliding groove terminal Also perforate；Screw rod is equipped in each sliding groove, each screw rod is inside and outside the short tube, each screw rod One end outside short tube is equipped with adjusting nut, and the one end of each screw rod in short tube is equipped with arc-shaped limit plate, described Second elastic projection on the inside of each arc-shaped limit plate is set, is covered on the screw rod beyond each arc-shaped limit plate It is connected to compression spring；Each compression spring can be by the arc-shaped limit plate lateral surface and the sliding groove terminal Wall pressure contracts.The arc-shaped limit plate is fixedly connected with the screw rod, limits the screw rod along the sliding groove to short tube Outer excessive slip ensures that second elastic projection of a pair is always positioned at the short tube intracavitary；The compression spring exists Inside elastic force is provided under compressive state to the convex block of the arc-shaped limit plate and its medial surface, which is less than described first The outside elastic force of elastic projection.

In order to make the cooperation of capstan winch gear and telescopic rod more stable, in the preferred scheme of the utility model, described is flexible Gan Fuzhi mechanisms further set resilient support to take turns.The resilient support wheel and the gear office of geared capstan are in rigid more piece Telescopic rod both sides；The resilient support wheel includes disk roller and a pair of of roller frame, and a pair of of roller frame is equipped with slideway, and two Slideway is parallel, in the roller frame slideway described in the two axial ends insertion of the disk roller, and can be done in the slideway perpendicular to roller Wheel shaft to slip to increase and decrease the spacing with gear；Spring is equipped in the slideway, is slip of the disk roller away from the gear Resistance is provided；After described spring release, the gear spacing of the disk roller and the capstan winch is close to the rigidity Multi-section telescopic rod The outer diameter of a most thin section, but with the elongation of rigid Multi-section telescopic rod, outer diameter is gradually increased, and the rolling axle can be subject to step by step The extruding of thicker telescopic rod and slided in the slideway, under the action of the spring, disk roller, which can both be gradually distance from gear, to be made Telescopic rod is able to by that and can ensure to play telescopic rod enough supporting roles, stretch the entire of rigid Multi-section telescopic rod Compression process, which can be stablized, to be effectively performed.

In the further preferred scheme of the utility model, one side that the rigid Multi-section telescopic rod is contacted with the disk roller Parallel several grooves are also provided with, and the disk roller is equipped with the tooth with the fit depressions.

In the preferred scheme of the utility model, the transparent scale lower surface is the downward parabola in vertex.

In the preferred scheme of the utility model, the often section length of the rigid Multi-section telescopic rod is identical, is 1~5 meter； It is all 1 meter more preferably often to save length.

Seawater transparency in-situ measurement device described in the utility model is in use, first stretch complete holosystolic rigid more piece It is fixed at the top of contracting bar in the telescopic rod Fu Zhi mechanisms, at this time all first in addition to innermost layer of rigid Multi-section telescopic rod Through hole aligns to form a pair of of square opening groove, square opening groove location is mounted on the second elastic projection of telescopic rod Fu Zhi mechanisms, A pair of second elastic projection gos deep into a pair of of square opening groove preventing the slip between other telescopic sleeves in addition to innermost layer；Just Property Multi-section telescopic rod innermost layer telescopic sleeve latter end is fixedly connected with transparent scale；The telescopic sleeve tooth of transparent scale will be connected with Wheel drive mechanism pulls down, and at the end of first segment telescopic sleeve parallel groove, the first elasticity on same telescopic sleeve is convex Block aligns the square opening groove to be formed into the first through hole, by compared with strong elastic outwardly against second elastic projection, It squeezes distance and is more than individual layer telescopic sleeve thickness less than double-deck telescopic sleeve thickness, the second section telescopic sleeve is no longer by the at this time Two elastic projections control, but are formed and be clamped with first segment telescopic sleeve at its first through hole, therefore the second section telescopic sleeve Start with first segment telescopic sleeve slide downward, and then by stretched under gear drive；Based on same principle, rigidity is more Section telescopic bar interacts in the first elastic projection and the second elastic projection of telescopic rod Fu Zhi mechanisms of each section telescopic sleeve Under, telescopic sleeve by sequentially section by section under it is stretched, make transparent scale progressively underwater certain depth.Rigid Multi-section telescopic rod is deep After entering under water, it is whether visible that transparent scale is observed by naked eyes or the machine vision metrology unit covered by its periphery；Finally Measure the water transparency of the depth, the i.e. waters of transparent scale disappearance.

Compared with prior art, seawater transparency in-situ measurement device described in the utility model has substantially prevented Sai Shi The drift error that is present with when disk principle measures water transparency, and dispensing to Sai Shi disks and recycling are more secure.Always It, the measuring device of the utility model can the effective transparence value of accurately measure high grade of transparency water body, especially deeply The transparence value of seawater.

Description of the drawings

Fig. 1 is the seawater transparency in-situ measurement device overall structure diagram of embodiment 1.

Fig. 2 is the measuring device driving gear group of embodiment 1 and resilient support wheel partial structural diagram.

Fig. 3 a are the external structure signals of a certain section telescopic sleeve of the measuring device rigidity Multi-section telescopic rod of embodiment 1 Figure.

Fig. 3 b are the first elastic projection machines of a certain section telescopic sleeve of the measuring device rigidity Multi-section telescopic rod of embodiment 1 Structure structure diagram.

Fig. 4 be embodiment 1 measuring device in the external structure schematic diagram of short tube skeleton and the second elastic projection mechanism.

Fig. 5 is that the measuring device rigidity Multi-section telescopic rod of embodiment 1 is installed on first, second after telescopic rod Fu Zhi mechanisms Elastic projection mechanism lateral partial structurtes sectional view.

Fig. 6 be embodiment 1 measuring device in machine vision metrology unit external structure schematic diagram.

Specific embodiment

In order to illustrate more clearly of the technical solution of the utility model, specific embodiment of the present utility model is added below With description, and elaboration is further made to the utility model by way of enumerating embodiment, but the technology of the utility model Scheme is not limited to certain specific embodiment described below and cited some specific embodiments.

Embodiment 1

A kind of in-situ measurement device of seawater transparency, equipped with transmission measuring unit and support fixed cell；The branch Support fixed cell is used to the transmission measuring unit being fixed on the ship side of surveying vessel, while provides vertical support；

As shown in Figure 1, transmission measuring unit includes geared winch 11, rigid Multi-section telescopic rod 12 and transparent scale 13；Branch Support fixed cell includes deck of boat locking member 21 and is secured to the telescopic rod Fu Zhi mechanisms 22 of connection；Geared winch 11 passes through the deck of boat Locking member 21 is fixed on the quarter；Rigid 12 top of Multi-section telescopic rod is fixed by telescopic rod Fu Zhi mechanisms 22, and is vertically placed to ship Beyond body；The upper surface of transparent scale 13 end thread most thin with rigid Multi-section telescopic rod 12 is connected, under transparent scale 13 Surface is the downward parabola in vertex；Geared winch 11 is equipped with winch skeleton 111, and three gears 112 are set in winch skeleton 111 The driving gear group of composition, 111 top of winch skeleton set the pivoted arm 113 that driving gear group can be driven to rotate；Driving gear group The end face of front end gear 112 can closely connect perpendicular to ship side surface and the flank of tooth with rigid Multi-section telescopic rod 12 beyond hull It touches；Elastic driven gear mechanism is additionally provided in telescopic rod Fu Zhi mechanisms 22, elastic driven gear mechanism is distinguished with driving gear group In rigid 12 both sides of Multi-section telescopic rod；As shown in Fig. 2, elastic driven gear mechanism includes driven gear 231, a pair of of tooth rest 232, each tooth rest 232 is equipped with slideway 233, and two slideways are parallel, the slideway of the two axial ends insertion tooth rest of driven gear 231 It in 233, and can be done in slideway 233 perpendicular to the axial slip of driven gear 231, to increase and decrease the spacing with driving gear group； Gear axis spring 234 is equipped in slideway 233, resistance is provided for slip of the driven gear 231 away from driving gear group；Gear shaft bullet After spring 234 discharges, the outer diameter ruler of driven gear 231 and spacing 12 innermost layer of close rigid Multi-section telescopic rod of driving gear group Very little, but with the elongation of rigid Multi-section telescopic rod 12, outer diameter is gradually increased, the axis of driven gear 231 can be subject to thicker step by step Telescopic rod extruding and slide in the slideway 233, under the action of gear axis spring 234, driven gear 231 both can be gradual Enable telescopic rod by that and can ensure to play telescopic rod enough supporting roles, make rigidity more away from driving gear group The entire telescopic process of section telescopic bar 12, which can be stablized, to be effectively performed.

As shown in Figure 1, rigid 12 periphery of Multi-section telescopic rod is also cased with machine vision metrology unit 3, in transparent scale 13 enter to replace human eye observation's transparent scale 13 after water.

Rigid Multi-section telescopic rod 12 is covered by several section square telescopic sleeves 12 ' that thickness is identical but internal diameter is different are successively close It connects to be formed；It is identical often to save 12 ' length of Heat-Shrinkable Tubings, is 1 meter；As shown in Figure 3a, often saving telescopic sleeve 12 ' all includes telescopic segment 121 and the linkage section 122 more than telescopic segment；The telescopic segment 121 of telescopic sleeve is often saved, is set in certain two parallel plane There are parallel several grooves 123；Positional symmetry of the two sides vertical with the plane away from linkage section 122 is equipped with a pair of of size phase Same first through hole 124；Often save telescopic sleeve 12 ' linkage section 122 it is nested with outer layer telescopic sleeve always, for telescopic sleeve it Between nested encryptions provide intensity；It often saves in 12 ' linkage section 122 of telescopic sleeve and sets a pair of the close to the position of telescopic segment 121 Two through holes diametrically opposite set a pair of first elastic projection mechanism 120 along telescopic sleeve on a pair of second through hole；Such as Fig. 3 b institutes Show, the first elastic projection mechanism 120 for often saving telescopic sleeve sets size to be more than the second through hole 125 inside the second through hole 125 /V chassis 126,126 inside of each /V chassis sets the spring fixed column 127 of two different sizes, the bullet of same size The same group of compression spring 128 in gap but socket is left between spring fixed column 127,126 outside of /V chassis sets a size to be less than The inclined-plane boss 129 of second through hole 125；With stretching for compression spring 128, inclined-plane boss 129 can pass through the second through hole 125, the amplitude peak for ensureing 129 evagination of inclined-plane boss by /V chassis 126 is fixed.The spring fixed column 127 of different size The compression spring force of socket is different, is consequently formed " dual spring elasticity boss ".

As shown in Figure 4,5, telescopic rod Fu Zhi mechanisms 22 are equipped with installation sliding slot 220 towards the surface of driving gear group, in height Short tube skeleton 221, short tube skeleton 221 are installed in twisting rubber head screw by hand in the position of driving gear group installation sliding slot 220 It is penetrated for rigid Multi-section telescopic rod, and the position in telescopic rod Fu Zhi mechanisms 22 can axially be adjusted along rigid Multi-section telescopic rod It is whole；The relatively perforate of 221 both sides of short tube skeleton, each tapping set sliding groove 222 along short tube skeleton 221 is radially outwardly extending, often A 222 terminal of sliding groove also perforate；A pair of second elastic projection mechanism, wherein sliding groove 222 are set by pair of sliding slot 222 Interior to be equipped with screw rod 223, inside and outside short tube skeleton 221, the one end of each screw rod 223 outside short tube skeleton 221 is set each screw rod There is wing nut 224, the one end of each screw rod 223 in short tube skeleton 221 is equipped with arc panel 225, each 225 inside of arc panel Square boss 226 is set.As shown in figure 5, weak compression spring 227 is each socketed on the screw rod 223 beyond arc panel 225； Each weak compression spring 227 can be by 222 terminal inner wall compressive of 225 lateral surface of arc panel and sliding groove.Arc panel 225 and screw rod 223 are fixedly connected, and excessive slip of the limitation screw rod 223 along sliding groove 222 outside short tube ensures a pair of of square boss 226 always Positioned at 221 intracavitary of short tube skeleton；Weak compression spring 227 is under compression to arc panel 225 and its square boss of medial surface 226 provide inside elastic force, and it is the outside elastic force that the first elastic projection mechanism provides which, which is less than compression spring 128,.

As shown in figure 5, when rigid Multi-section telescopic rod is in fully collapsed condition, first on all telescopic sleeves 12 ' is logical The alignment of hole 124 forms a pair of of square opening groove 124 ', adjusts the second elastic projection mechanism in telescopic rod Fu Zhi mechanisms 22, tightens butterfly Shape nut 224 makes square boss 226 be sidled outside short tube skeleton 221, will be rigid more after 221 middle via of short tube skeleton becomes larger Section telescopic bar penetrates short tube skeleton 221, and will be fixed on what telescopic rod Fu Zhi mechanisms 22 were most admitted at the top of rigid Multi-section telescopic rod In retainer ring 228, then unscrew wing nut 224, square boss 226 is made to be walked inward along square opening groove 124 ', insertion square opening is recessed The innermost layer of slot 124 ' prevents the relative motion between the every other telescopic sleeve in addition to innermost layer telescopic sleeve.

Measurement in use, as shown in Figure 1,5, when any one section telescopic sleeve 12 ' be stretched to by driving gear group it is parallel recessed At the end of slot 123, the inclined-plane boss 129 of the first elastic projection of a pair mechanism of side can reach the position of square opening groove 124 ' It puts, under elastic force stronger compression 128 elastic force effect, inclined-plane boss 129 can be embedded in square opening groove 124 ', and along telescopic sleeve The square boss 226 of the second weaker elastic projection mechanism of 12 ' radial compression elastic force squeezes distance and is more than one layer of telescopic sleeve 12 ' thickness and the thickness for being less than two layers of telescopic sleeve 12 ', at this point, the insertion of inclined-plane boss 129 makes this section telescopic sleeve and its One layer of outside telescopic sleeve forms clamping at the first through hole 124, and one layer of outside telescopic sleeve can be with internal layer telescopic sleeve It moves downward, and then is engaged with driving gear group and is progressively stretched, and square boss 226 continues after outwards being squeezed out certain distance Prevent the relative motion between remaining telescopic sleeve；The often first through hole 124 on section telescopic sleeve 12 ', the first elastic projection machine So coordinate between the second elastic projection mechanism on structure and telescopic rod Fu Zhi mechanisms 22, realizing every section telescopic sleeve can be It is moved downward when appropriate.

As shown in fig. 6, machine vision metrology unit includes annular float 31, the water on 31 lower surface of annular float Lower photographic device 32 and the image transmitting antenna 33 on 31 upper surface of annular float；31 inner hollow of annular float And equipped with control circuit and battery, pass through watertight connector 34 and underwater camera device 32 and the image transmitting on 31 surface of annular float Antenna 33 is electrically connected；Annular float 31 is sleeved on around rigid Multi-section telescopic rod 12 and swims on the water surface, but not with rigidity Multi-section telescopic rod 12 is in close contact.

The seawater transparency in-situ measurement device is in use, first by complete holosystolic rigid 12 top of Multi-section telescopic rod It is fixed in the telescopic rod Fu Zhi mechanisms 22, at this time all first through hole in addition to innermost layer of rigid Multi-section telescopic rod 12 Alignment forms a pair of of square opening groove 124 ', and 124 ' position of square opening groove is mounted on to the short tube skeleton of telescopic rod Fu Zhi mechanisms 22 In 221, deeply a pair of of square opening groove 124 ' is interior for a pair of of square boss 226 in short tube skeleton 221, prevents in addition to innermost layer Slip between other telescopic sleeves 12 '；Rigid Multi-section telescopic rod innermost layer telescopic sleeve latter end is fixedly connected with transparent scale 13； The telescopic sleeve driving gear group for being connected with transparent scale 13 is driven, is engaged the parallel groove 123 on telescopic sleeve surface Mode pulls down, at the end of first segment telescopic sleeve parallel groove 123, inclined-plane boss 129 on same telescopic sleeve into Enter first through hole to align the square opening groove 124 ' to be formed, outwardly against square boss 226, squeeze distance by compared with strong elastic and be more than Individual layer telescopic sleeve thickness and less than double-deck telescopic sleeve thickness, the second section telescopic sleeve is no longer controlled by square boss 226 at this time System, but formed and be clamped with first segment telescopic sleeve at its first through hole, therefore the second section telescopic sleeve starts with first Telescopic sleeve slide downward is saved, and then by stretched under gear drive；Based on same principle, rigid Multi-section telescopic rod is every First elastic projection mechanism of one section telescopic sleeve is under the second elastic projection mechanism interaction of telescopic rod Fu Zhi mechanisms, stretching Heat-Shrinkable Tubings by sequentially section by section under it is stretched, make the progressively underwater certain depth of transparent scale 13.Rigid Multi-section telescopic rod gos deep into After underwater, whether the observation transparent scale 13 of machine vision metrology unit 3 covered by its periphery is visible；Finally measure transparent scale The water transparency of 13 depth, the i.e. waters to disappear.

Claims (11)

1. a kind of in-situ measurement device of seawater transparency, equipped with transmission measuring unit and support fixed cell, the support Fixed cell is used to the transmission measuring unit being fixed on the ship side of surveying vessel, while provides vertical support；Described Being driven measuring unit includes geared capstan, rigid Multi-section telescopic rod and transparent scale；The support fixed cell includes the deck of boat Locking member and the telescopic rod Fu Zhi mechanisms for being secured to connection；The geared capstan is fixed on by the deck of boat locking member On ship side；It is fixed, and is vertically placed to beyond hull by the telescopic rod Fu Zhi mechanisms at the top of the rigid Multi-section telescopic rod； The upper surface of the transparent scale end most thin with the rigid Multi-section telescopic rod is fixedly connected；The geared capstan It the end face of at least one gear can be tight beyond hull with the rigid Multi-section telescopic rod perpendicular to ship side surface and the flank of tooth Contiguity is touched；The rigid Multi-section telescopic rod at least can be equipped on the surface of the Gear Contact it is parallel several recessed Slot is embedded in for the gear tooth.

2. measuring device according to claim 1, it is characterised in that：Machine vision metrology unit is further set, is used for Instead of the distance of the human eye measurement following object of the water surface；The machine vision metrology unit includes annular float, mounted on ring-type Underwater camera device on one face of floating body and the image transmitting antenna on another face of annular float；Described Annular float inner hollow and the watertight for passing through the annular float surface equipped with control circuit and battery, control circuit and battery Connector is electrically connected with the underwater camera device and image transmitting antenna；It is more that the annular float is sleeved on the rigidity Around section telescopic bar, but it is not in close contact therewith.

3. measuring device according to claim 1, it is characterised in that：The rigid Multi-section telescopic rod is by several section thickness Identical but different internal diameter square telescopic sleeve successively is tightly sleeved to be formed；Often saving telescopic sleeve all includes telescopic segment and positioned at stretching Linkage section more than contracting section；The telescopic segment of telescopic sleeve is often saved, on a certain plane equipped with parallel several grooves, with this Positional symmetry of the vertical two sides of plane away from the linkage section is equipped with the identical first through hole of a pair of of size；Often save telescopic The linkage section of pipe, nested with outer layer telescopic sleeve always, the nested encryptions between telescopic sleeve provide intensity；Described every It saves the linkage section of telescopic sleeve and is equipped with the second identical through hole of a pair of of size close to the positional symmetry of the telescopic segment, inside through hole Equipped with can along the first elastic projection of a pair of telescopic sleeve footpath convex, while in the telescopic rod Fu Zhi mechanisms be higher than institute State gear position be equipped with can be along the second elastic projection of a pair of telescopic sleeve radial direction convex；First elastic projection and institute The the second elastic projection specification stated is engaged with the first through hole, and the elasticity of the first elastic projection is more than the second elasticity Convex block.

4. measuring device according to claim 3, it is characterised in that：First elastic projection for often saving telescopic sleeve Size is set to be more than the /V chassis of second through hole inside second through hole, radial direction is set on the inside of /V chassis Spring fixed column, /V chassis outside set a size less than the inclined-plane boss of second through hole；It stretches in the often section In casing, the same group of compression spring in gap but socket is left between the spring fixed column per the first elastic projection of a pair；With institute The flexible of compression spring is stated, the inclined-plane boss can pass through second through hole, pass through the /V chassis warranties The outwardly amplitude peak of the inclined-plane boss is only the maximum gauge of the inclined-plane boss.

5. measuring device according to claim 4, it is characterised in that：Two are set on the inside of each /V chassis not The spring fixed column of same specification, the spring fixed column of same size is socketed same compression bullet in the first paired elastic projection Spring, the compression spring force of the spring fixed column socket of different size are different.

6. any one measuring device according to claim 3-5, it is characterised in that：The telescopic rod Fu Zhi mechanisms On, short tube skeleton is further set in the position higher than the gear, and the short tube skeleton includes the short of one section of both ends open It manages and the short tube is fixed on the connector in the telescopic rod Fu Zhi mechanisms；The short tube is more for the rigidity Section telescopic bar penetrates, and position of the connector in the telescopic rod Fu Zhi mechanisms can be axial along rigid Multi-section telescopic rod Adjustment；The short tube both sides relatively perforate, each tapping is further along the radially outwardly extending setting sliding groove of short tube, institute The each sliding groove terminal also perforate stated；Screw rod is equipped in each sliding groove, each screw rod runs through the short tube Inside and outside, the one end of each screw rod outside short tube is equipped with adjusting nut, and the one end of each screw rod in short tube is set There is arc-shaped limit plate, second elastic projection, each arc limit are set on the inside of each arc-shaped limit plate Compression spring is all socketed on screw rod beyond the plate of position；Each compression spring can be by the arc-shaped limit plate lateral surface With the sliding groove terminal inner wall compressive；The arc-shaped limit plate is fixedly connected with the screw rod, limits the spiral shell Excessive slip of the bar along the sliding groove outside short tube ensures that second elastic projection of a pair is always positioned at the short tube chamber It is interior；The compression spring provides inside elastic force to the convex block of the arc-shaped limit plate and its medial surface under compression, The elastic force is less than the outside elastic force of first elastic projection.

7. measuring device according to claim 1, it is characterised in that：The telescopic rod Fu Zhi mechanisms further set bullet Property support wheel；The resilient support wheel sets the gear office with geared capstan in rigid Multi-section telescopic rod both sides；Described Resilient support wheel includes disk roller and a pair of of roller frame, and a pair of of roller frame is equipped with slideway, and two slideways are parallel, the roller In roller frame slideway described in the two axial ends insertion of wheel, and the slip perpendicular to disk roller axial direction can be done in the slideway to increase and decrease With the spacing of gear；Spring is equipped in the slideway, resistance is provided for slip of the disk roller away from the gear.

8. measuring device according to claim 7, it is characterised in that：The rigid Multi-section telescopic rod connects with the disk roller Tactile is also provided with parallel several grooves on one side, and the disk roller is equipped with the tooth with the fit depressions.

9. measuring device according to claim 1, it is characterised in that：The transparent scale lower surface is that vertex is downward Parabola.

10. measuring device according to claim 1, it is characterised in that：The often section length of the rigid Multi-section telescopic rod It is identical, it is 1~5 meter.

11. measuring device according to claim 1, it is characterised in that：The often section length of the rigid Multi-section telescopic rod All it is 1 meter.