CN213209037U

CN213209037U - Improved device based on GPS (global positioning system) water depth measurement

Info

Publication number: CN213209037U
Application number: CN202022512658.4U
Authority: CN
Inventors: 杨平; 陈居斌; 徐小洁
Original assignee: Zhejiang Dingce Geographic Information Technology Co ltd
Current assignee: Zhejiang Dingce Geographic Information Technology Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-05-14
Anticipated expiration: 2030-11-03

Abstract

The utility model relates to an improve device based on GPS bathymetric survey, it includes the measuring stick and installs in the GPS measuring apparatu of measuring stick one end, and the one end that the GPS measuring apparatu was kept away from to the measuring stick is equipped with strutting arrangement, and strutting arrangement includes a plurality of bracing pieces of arranging around the measuring stick axis direction is equidistant, and a side surface that the GPS measuring apparatu was kept away from to the bracing piece is the level setting. This application has the effect of the error when reducing the measuring stick and measuring the depth of water.

Description

Improved device based on GPS (global positioning system) water depth measurement

Technical Field

The application relates to the field of surveying and mapping instruments, in particular to an improved device based on GPS water depth measurement.

Background

The measurement of the height from a water bottom point to the water surface is a central link of seabed measurement and seabed terrain measurement, and aims to provide channel depth for ship navigation and determine the position, depth and properties of navigation obstacles.

The existing method for measuring water depth is simple and crude, a heavy object is generally tied to one end of a rope when the water depth is measured, the rope is deeply inserted into the water and then is recorded until the heavy object contacts the water bottom, and therefore the water depth is obtained.

The other method is to use the measuring rod to extend into the water bottom for measurement, but in order to keep the measuring rod stable, the end part extending into the water bottom is generally arranged in a pointed manner, when sludge exists in the water bottom, the depth of the tip of the measuring rod inserted into the sludge cannot be controlled, and finally the measuring rod has errors, so that the measurement is inaccurate.

SUMMERY OF THE UTILITY MODEL

In order to reduce the error when measuring stick measures the depth of water, this application provides an improvement device based on GPS bathymetric survey.

The application provides an improve device based on GPS bathymetric survey adopts following technical scheme:

the utility model provides an improve device based on GPS bathymetric survey, includes the measuring stick and installs in the GPS measuring apparatu of measuring stick one end: the one end that the GPS measuring apparatu was kept away from to the measuring stick is equipped with strutting arrangement, and strutting arrangement includes a plurality of bracing pieces of arranging around the measuring stick axis direction is equidistant, and one side surface that the GPS measuring apparatu was kept away from to the bracing piece is the level setting.

By adopting the technical scheme, when the water depth needs to be measured, because the height difference exists in the same water area, the GPS measuring instrument is utilized to carry out coordinate positioning every time the measurement is carried out, so as to ensure the accuracy of data; after recording the position, put into the measuring stick along vertical direction under water, until bracing piece and submarine contact, the bracing piece butt in submarine plane to make the bracing piece keep the horizontality, record the position that the horizontal plane is located the measuring stick, take out the measuring stick, measure the vertical distance between the bottom side of the mark to the bracing piece of horizontal plane on the measuring stick, for the depth of water of this coordinate, use this method to measure, need not to insert the measuring stick to the silt in, measure more accurately.

Preferably, the supporting device further comprises a first gear arranged at one end of the supporting rod, the first gear is rotatably connected to the side wall of the measuring rod, and the first gear is partially positioned in the measuring rod; the measuring rod is internally connected with a sliding rod in a sliding mode along the vertical direction, a rack is arranged on the periphery of the sliding rod, and the rack is meshed with the first gear.

Through adopting above-mentioned technical scheme, when the measuring stick stretches into to the bottom and takes out to the surface of water, the resistance between bracing piece and the rivers is great, through the first gear of rack control and rotates to the control bracing piece rotates, realizes receiving and releasing of bracing piece, when needing to remove the measuring stick, withdraws the bracing piece, reduces and the surface of water between the resistance, makes the operation more convenient laborsaving.

Preferably, a flexible supporting member is fixedly connected between every two supporting rods.

Through adopting above-mentioned technical scheme, increase and the submarine area of contact between, more stable when making the measuring stick keep vertical.

Preferably, the measuring rod and the flexible supporting member are both provided with a plurality of through holes.

By adopting the technical scheme, when the supporting rod is retracted and put down, water flows through the through hole, so that the water flow resistance of the supporting rod and the flexible supporting piece is reduced, and the operation is more labor-saving.

Preferably, a limiting device used for limiting the sliding rod to slide freely is arranged between the sliding rod and the measuring rod.

By adopting the technical scheme, an operator is not required to control the sliding rod all the time, and only the limiting device is required to be controlled when the supporting rod is retracted, so that the supporting rod is freely retracted, and the operation is more labor-saving and convenient.

Preferably, the periphery of the measuring rod is connected with a buoy in a sliding mode, and the buoy is located below the limiting device.

Through adopting above-mentioned technical scheme, make the one end that is located the surface of water of measuring stick remain stable through the buoy, reduce the strength of artificial fixed cost.

Preferably, the measuring rod is provided with scale marks along the vertical direction, and the side surface of the buoy close to the measuring rod is provided with a transparent block.

Through adopting above-mentioned technical scheme, be equipped with the scale mark, the operator of being convenient for directly carries out the reading to the depth of water, and transparent piece is convenient for the operator reading, can not shelter from the scale mark part.

Preferably, a plurality of sliding grooves are formed in the sliding rod in the vertical direction, a plurality of sliding rods are fixed on the inner wall of the measuring rod and correspond to the sliding grooves one to one, and one end portions of the sliding rods are connected in the sliding grooves in a sliding mode.

Through adopting above-mentioned technical scheme, make the slide bar remain stable when vertical direction removes, make operating stability higher.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the scheme, one end of the measuring rod is provided with the supporting device, so that one side of the supporting rod is abutted against the water bottom surface, the stability of the measuring rod is kept, meanwhile, the measuring rod is prevented from being inserted into silt to cause inaccurate measurement, and the error of the measuring rod in measuring the water depth is reduced;

2. in the scheme, the resistance of the measuring rod in water movement is reduced by retracting and releasing the supporting rod, so that the operation is simpler, more convenient and more labor-saving;

3. in this scheme, it is more convenient that the manual operation when making the measurement through setting up the buoy, through the transparent piece that sets up in the buoy with locate the scale mark on the measuring stick, be convenient for carry out direct reading to the depth of water, the operation is swift convenient.

Drawings

Fig. 1 is a schematic structural diagram in the embodiment of the present application.

Fig. 2 is a schematic view of a partial structure of the inside of the measuring rod of fig. 1.

Fig. 3 is a partial sectional view of fig. 1, showing the internal structure thereof.

Description of reference numerals: 1. a GPS measuring instrument; 2. a measuring rod; 21. accommodating grooves; 22. scale lines; 3. a support device; 31. a support bar; 32. a flexible support; 33. a first gear; 34. a through hole; 4. a slide bar; 41. a rack; 42. a chute; 43. a slide bar; 5. a limiting device; 51. a second gear; 52. a worm gear; 53. a worm; 54. a handle; 6. a float; 61. a transparent block.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses an improve device based on GPS bathymetric survey. Referring to fig. 1, including measuring stick 2, the one end of measuring stick 2 is most advanced setting, and the other end of measuring stick 2 is connected with GPS measuring instrument 1, and the one end that GPS measuring instrument 1 was kept away from to measuring stick 2 is equipped with strutting arrangement 3.

When an operator needs to measure the water depth, the GPS measuring instrument 1 is used for positioning the coordinate, and then the tip part of the measuring rod 2 is inserted into the underwater silt, so that the supporting device 3 is abutted to the underwater surface, and the measuring rod 2 is kept vertical and stable. The position of the measuring rod 2 on the horizontal plane is marked, the water depth can be obtained by calculating the distance between the marked position of the measuring rod 2 and the bottom side of the supporting device 3 in the vertical direction, the operation is simple and convenient, the labor is saved, and the error caused by inserting sludge during the water depth measurement is reduced.

The support device 3 includes four support rods 31 arranged at equal intervals around the axis direction of the measuring rod 2, one side surface of the support rod 31 far away from the GPS measuring instrument 1 is horizontally arranged, the side is abutted against the water bottom surface, and the support rod 31 is closer to the GPS measuring instrument 1 than the tip of the measuring rod 2, namely, the tip of the measuring rod 2 exceeds the part of the support rod 31 and is inserted into sludge, the bottom side of the support rod 31 is supported on the water bottom surface, and the measuring rod 2 is further in a stable state.

Referring to fig. 1 and 2, a first gear 33 is fixed on a side surface of the support rod 31 near one end of the measuring rod 2, the first gear 33 is rotatably connected to a side wall of the measuring rod 2, two ends of the rotating shaft respectively penetrate through the first gear 33 and are rotatably connected to an inner wall of the measuring rod 2, and the first gear 33 is partially located in the measuring rod 2.

The inside of the measuring rod 2 is connected with a sliding rod 4 in a sliding manner along the vertical direction, four side surfaces of the sliding rod 4 are provided with racks 41 along the vertical direction, and the four racks 41 are respectively meshed with the four first gears 33 in a one-to-one correspondence manner.

When the operator need put into the measuring stick 2 submarine with when drawing out the water, in order to reduce the resistance that measuring stick 2 received, through vertical direction slip slide bar 4, drive first gear 33 and rotate to drive bracing piece 31 and rotate, withdraw bracing piece 31, reduce the rivers resistance that bracing piece 31 received, thereby reduce the resistance that measuring stick 2 received in the aquatic, make the operation more convenient laborsaving.

A flexible supporting piece 32 is fixedly connected between every two groups of supporting rods 31, the flexible supporting pieces 32 are arranged in a fan shape, when the measuring rod 2 is placed in the water bottom, one side, close to the water bottom, of each flexible supporting piece 32 is flush with the surface of one side, close to the water bottom, of each supporting rod 31, so that the contact area between the measuring rod 2 and the water bottom is further increased, and the stability of the measuring rod 2 is increased; and the thickness of the flexible support 32 is smaller than that of the support rod 31. The surfaces of the flexible supporting part 32 and the supporting rod 31 are provided with a plurality of through holes 34, so that water flows through the flexible supporting part 32 and the supporting rod 31 when the flexible supporting part and the supporting rod 31 are folded and released, and the resistance of the water is further reduced.

Referring to fig. 1, the periphery of the measuring stick 2 is provided with four accommodating grooves 21 arranged along the vertical direction, so that the supporting stick 31 is partially hidden in the accommodating grooves 21.

Referring to fig. 2 and 3, four sliding rods 43 are fixed on the inner wall of the measuring rod 2, four sliding grooves 42 are formed in the periphery of the sliding rod 4 along the vertical direction, the four sliding rods 43 correspond to the four sliding grooves 42 one by one, and one end portion of each sliding rod 43 is slidably connected in the corresponding sliding groove 42. The slide lever 4 is stabilized while sliding in the vertical direction.

Referring to fig. 3, a limiting device 5 for limiting the sliding rod 4 to slide freely is arranged between the sliding rod 4 and the measuring rod 2, the limiting device 5 comprises a second gear 51 rotatably connected in the measuring rod 2, the second gear 51 is closer to the GPS measuring instrument 1 than the first gear 33 in the vertical direction, and the second gear 51 is meshed with the rack 41.

The limiting device 5 further comprises a worm gear 52 which is coaxial with the second gear 51, the worm gear 52 is fixedly connected to one side of the second gear 51, and the worm gear 52 is rotatably connected in the measuring rod 2; the limiting device 5 further comprises a worm 53 rotatably connected in the measuring rod 2, the worm 53 is partially positioned outside the measuring rod 2, the worm 53 is meshed with the worm wheel 52, and a handle 54 is fixed at one end of the worm 53 positioned outside the measuring rod 2 so as to facilitate the rotation of an operator.

Referring to fig. 1, a buoy 6 is slidably connected to the outer periphery of the measuring rod 2, the buoy 6 is suspended on the water surface, and the buoy 6 is located below the limiting device 5. Buoy 6 is the cyclic annular setting cover and locates the periphery of measuring stick 2, and buoy 6's inner ring is fixed with transparent piece 61, transparent piece 61 and measuring stick 2's periphery wall sliding connection, and prescribes a limit to through frictional force between transparent piece 61 and the measuring stick 2, and measuring stick 2's periphery wall is equipped with scale mark 22, and scale mark 22 uses the bottom surface of bracing piece 31 as the initiating line, and the one end that is close to GPS measuring apparatu 1 is constantly extended along.

When measuring stick 2 inserts subaquely, make strutting arrangement 3 level with the subaqueous surface, slide buoy 6, make buoy 6 be located the horizontal plane to make measuring stick 2 more stable, and aim at which reading in scale mark 22 according to transparent 61's lower surface, directly reachd the depth of water in this region, transparent 61 makes things convenient for the operator's reading.

The implementation principle of the improved device based on GPS water depth measurement in the embodiment of the application is as follows: when the water depth of a certain water area needs to be measured, firstly, a GPS measuring instrument 1 is used for positioning a coordinate; then the measuring rod 2 is inserted into the water bottom surface along the vertical direction, at the moment, the supporting device 3 is in a folded state, namely the supporting rod 31 is positioned in the accommodating groove 21, so that the resistance is reduced;

when the tip portion of the measuring rod 2 is inserted into the underwater sludge, the operator rotates the worm 53 to rotate the worm wheel 52, so as to rotate the second gear 51, so that the sliding rod 4 slides in the vertical direction, so as to rotate the first gear 33, so as to open the support rod 31, that is, when the support rod 31 is in the horizontal state, the lower side surface of the support rod 31 is flush with the underwater surface, so that the measuring rod 2 is kept stable;

when the measuring stick 2 is stabilized, the buoy 6 is slid so that the lower side of the buoy 6 is located at the horizontal plane, further stabilizing the measuring stick 2, and by observing the lower surface of the transparent block 61, the reading of the graduation mark 22 is known as the water depth at the coordinate, i.e. the vertical distance between the bottom side of the support stick 31 and the bottom side surface of the transparent block 61.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an improve device based on GPS bathymetric survey, includes measuring stick (2) and installs in GPS measuring apparatu (1) of measuring stick (2) one end, its characterized in that: one end of the measuring rod (2) far away from the GPS measuring instrument (1) is provided with a supporting device (3), the supporting device (3) comprises a plurality of supporting rods (31) which are distributed at equal intervals around the axis direction of the measuring rod (2), and one side surface of each supporting rod (31) far away from the GPS measuring instrument (1) is horizontally arranged.

2. The improved GPS bathymetry based device of claim 1, wherein: the supporting device (3) further comprises a first gear (33) arranged at one end of the supporting rod (31), the first gear (33) is rotatably connected to the side wall of the measuring rod (2), and the first gear (33) is partially positioned in the measuring rod (2); a sliding rod (4) is connected in the measuring rod (2) in a sliding mode along the vertical direction, a rack (41) is arranged on the periphery of the sliding rod (4), and the rack (41) is meshed with the first gear (33).

3. The improved GPS bathymetry based device of claim 2, wherein: a flexible supporting piece (32) is fixedly connected between every two supporting rods (31).

4. The improved GPS bathymetry based device of claim 3, wherein: the measuring rod (2) and the flexible supporting piece (32) are both provided with a plurality of through holes (34).

5. The improved GPS bathymetry based device of claim 2, wherein: and a limiting device (5) used for limiting the sliding rod (4) to freely slide is arranged between the sliding rod (4) and the measuring rod (2).

6. The improved GPS bathymetry based device of claim 5, wherein: the periphery of the measuring rod (2) is connected with a buoy (6) in a sliding mode, and the buoy (6) is located below the limiting device (5).

7. The improved GPS bathymetry based device of claim 6, wherein: the measuring rod (2) is provided with scale marks (22) along the vertical direction, and the side surface of the buoy (6) close to the measuring rod (2) is provided with a transparent block (61).

8. The improved GPS bathymetry based device of claim 2, wherein: a plurality of sliding grooves (42) are formed in the sliding rod (4) in the vertical direction, a plurality of sliding rods (43) are fixed on the inner wall of the measuring rod (2), the sliding rods (43) correspond to the sliding grooves (42) one to one, and one end portions of the sliding rods (43) are connected into the sliding grooves (42) in a sliding mode.