CN212254079U - Portable gradiometer for land surveying and mapping - Google Patents

Abstract

The utility model discloses a portable gradiometer for surveying and mapping soil, which comprises a measuring box, wherein a scale plate is arranged in the measuring box, a horizontal scale strip is arranged on the surface of the scale plate, the upper part of the scale plate is fixedly connected with a rotating rod, the other end of the rotating rod is fixedly connected with a glass panel, the surface of the scale plate is rotatably connected with a lantern ring, the bottom of the lantern ring is fixedly connected with a pointer, a handle is arranged above the measuring box, sleeves are fixedly connected with the two sides of the measuring box respectively, the sleeves are of a hollow structure, a first telescopic cylinder is movably inserted in the sleeves, one side of the first telescopic cylinder is slidably connected with a sliding plate, the fixing piece can be pulled outwards through the arranged fixing piece, so that a U-shaped inner port of the fixing piece is inserted and combined with the bottom of the first telescopic cylinder, a second telescopic cylinder is fixed, and the rotating rod is arranged, the lantern ring and the pointer can be positioned, so that the pointer can stably indicate the scales.

Description

A portable gradient meter for land surveying and mapping

technical field

The utility model relates to the technical field of gradient instruments, in particular to a portable gradient instrument for land surveying and mapping.

Background technique

The slope (slope) is the degree of steepness of the surface unit. Usually, the ratio of the vertical height h of the slope to the horizontal distance l is called the slope (or the slope ratio), which is represented by the letter i [that is, the tangent of the slope angle (can be written as: i =tan slope angle = h:l)], a slope meter is a common tool used to detect the slope. The existing slope meter often needs to carry multiple measuring tools when measuring, and it is very inconvenient to require multiple people to cooperate in side measurement.

Utility model content

The purpose of this utility model is to provide a portable gradient meter for land surveying and mapping, so as to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the utility model provides the following technical solutions:

A portable slope meter for land surveying and mapping, comprising a measuring box, a scale plate is arranged inside the measuring box, a horizontal scale bar is arranged on the surface of the scale plate, the upper part of the scale plate is fixedly connected with a rotating rod, the The other end of the rotating rod is fixedly connected with the glass panel, the surface of the scale plate is rotatably connected with a collar, the bottom of the collar is fixedly connected with a pointer, a handle is arranged above the measuring box, and two sides of the measuring box are connected. A sleeve is fixedly connected to each side, the sleeve is a hollow structure, a first telescopic cylinder is movably inserted inside the sleeve, a slide plate is slidably connected to one side of the first telescopic cylinder, and the first telescopic cylinder is slidably connected. A second telescopic cylinder is movably connected to one side of the cylinder, and a fixing piece is movably inserted inside the second telescopic cylinder. The fixing piece includes a U-shaped bayonet and a pull plate, and the U-shaped inner opening of the fixing piece is connected to the The bottom of the first telescopic cylinder is movably plugged, the second telescopic cylinder is movably plugged with a third telescopic cylinder, the bottom of the third telescopic cylinder is movably plugged with a fixed cone, and the upper part of the fixed cone is movably plugged. A pressing plate is fixedly connected, and the surfaces of the first telescopic cylinder and the third telescopic cylinder are both provided with telescopic scale bars.

As a further solution of the present invention, the outer side of the scale plate is fixedly connected with the inner wall of the measuring box, and the scale plate is arranged on one side of the measuring box.

As a further solution of the present invention: both the collar and the pointer are located in the middle above the scale plate, the needle tip of the pointer is arranged opposite to the horizontal scale bar, and the pointer is far away from the scale plate and the glass panel.

As a further solution of the present invention, a pulling plate groove is provided at a relative position of the pulling plate, and the pulling plate groove is located inside the second telescopic cylinder.

As a further solution of the present invention, a slideway is provided on the side of the first telescopic cylinder, a slideway is provided at a position opposite to the slideway, and the slideboard is slidably connected to the slideway.

As a further solution of the present invention, the pressing plate is located on the outer side of the third telescopic cylinder, the surface of the third telescopic cylinder is provided with a chute, and the pressing plate is arranged in a sliding connection inside the chute.

Compared with the prior art, the beneficial effects of the present utility model are:

1. Through the set fixing piece, the fixing piece can be pulled outward, so that the U-shaped inner opening of the fixing piece is inserted into the bottom of the first telescopic cylinder, so as to fix the second telescopic cylinder, and the set rotating rod can position the sleeve. Ring and pointer, so that the pointer can indicate the scale smoothly.

2. The fixed cone can be pushed down through the set pressing plate, so that the fixed cone can be pushed to the ground, and the second telescopic cylinder can be fixed at a position perpendicular to the first telescopic cylinder through the set sliding plate.

3. The telescopic scale bar provided can adjust the telescopic length of the device to avoid errors in the side measurement results caused by the different telescopic lengths on both sides of the device.

Description of drawings

FIG. 1 is a schematic diagram of the front view of the internal structure of a portable gradient meter for land surveying and mapping.

FIG. 2 is a schematic diagram of the internal structure of a portable gradient meter for land surveying and mapping in side view.

FIG. 3 is a schematic top view of the structure of a portable gradient meter for land surveying and mapping.

In the figure: skateboard 1, first telescopic cylinder 2, sleeve 3, horizontal scale bar 4, handle 5, collar 6, pointer 7, scale plate 8, measuring box 9, fixing part 10, second telescopic cylinder 11, first Three telescopic cylinders 12 , a pressing plate 13 , a fixed cone 14 , a slideway 15 , a telescopic scale bar 16 , a rotating rod 17 , and a glass panel 18 .

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1 to 3 , in an embodiment of the present invention, a portable gradient meter for land surveying and mapping includes a measuring box 9 , a scale plate 8 is arranged inside the measuring box 9 , and a horizontal scale bar 4 is arranged on the surface of the scale plate 8 , the top of the scale plate 8 is fixedly connected with the rotating rod 17, and the other end of the rotating rod 17 is fixedly connected with the glass panel 18, which can locate the collar 6 and the pointer 7, so that the pointer 7 can indicate the scale smoothly, and the surface of the scale plate 8 is rotated and connected There is a collar 6, the bottom of the collar 6 is fixedly connected with a pointer 7, a handle 5 is provided above the measuring box 9, and both sides of the measuring box 9 are fixedly connected with a sleeve 3, the sleeve 3 is a hollow structure, and the sleeve 3 A first telescopic cylinder 2 is movably inserted into the inside of the first telescopic cylinder 2, a slide plate 1 is slidably connected to one side of the first telescopic cylinder 2, a second telescopic cylinder 11 is movably connected to one side of the first telescopic cylinder 2, and the inside of the second telescopic cylinder 11 A fixing member 10 is movably inserted, which can fix the second telescopic cylinder 11 and the third telescopic cylinder 12 and keep the second telescopic cylinder 11 and the third telescopic cylinder 12 perpendicular to each other. The fixing member 10 includes a U-shaped bayonet and a pull plate, the U-shaped inner opening of the fixing member 10 is movably plugged with the bottom of the first telescopic cylinder 2, the interior of the second telescopic cylinder 11 is movably plugged with a third telescopic cylinder 12, and the bottom of the third telescopic cylinder 12 is movably plugged with a The fixed cone 14 is fixedly connected with a pressing plate 13 above the fixed cone 14, which can push the fixed cone 14 downward, thereby pushing the fixed cone 14 to the ground. The surfaces of the first telescopic cylinder 2 and the third telescopic cylinder 12 are provided with telescopic The scale bar 16 can adjust the telescopic length of the device, so as to avoid the error of the side measurement result caused by the different telescopic lengths of the two sides of the device.

Referring to FIG. 2 , the outer side of the scale plate 8 is fixedly connected to the inner wall of the measurement box 9 , and the scale plate 8 is disposed on one side of the measurement box 9 .

Please refer to FIG. 1, the collar 6 and the pointer 7 are both located in the middle of the upper part of the scale plate 8, the needle tip of the pointer 7 is arranged opposite to the horizontal scale bar 4, the pointer 7 is far away from the scale plate 8 and the glass panel 18, preventing the pointer 7 and the scale plate. 8 or glass panel 18 contact affects the indication effect.

Referring to FIG. 1 , a pull plate slot is provided at a relative position of the pull plate. The pull plate groove is located inside the second telescopic cylinder 11 , and can push the pull plate inward to hide it inside the second telescopic cylinder 11 .

Please refer to FIG. 1 , a slideway 15 is provided on the side of the first telescopic cylinder 2 , a slideway 15 is provided at a position opposite to the slideway 15 , the slideboard 1 is slidably connected with the slideway 15 , and the slide plate 1 can connect the second telescopic cylinder 11 It is fixed at a position perpendicular to the first telescopic cylinder 2 .

Referring to FIG. 1 , the pressing plate 13 is located outside the third telescopic cylinder 12 , the surface of the third telescopic cylinder 12 is provided with a chute, and the pressing plate 13 is located inside the chute for sliding connection.

The working principle of the utility model is:

When in use, move the device to the ground that needs to be measured, pull out the first telescopic cylinder 2 from the inside of the sleeve 3, slide the slide plate 1 to fit with the second telescopic cylinder 11, and then pull out the fixing member 10 to make it. The U-shaped inner opening of the fixing member 10 is inserted into the bottom of the first telescopic cylinder 2, and then the third telescopic cylinder 12 is pulled out from the inside of the second telescopic cylinder 11. By referring to the surfaces of the first telescopic cylinder 2 and the third telescopic cylinder 12 Adjust the length of the two sides to avoid the error of the side measurement result caused by the different telescopic lengths of the two sides, then press down the pressing plate 13, insert the fixed cone 14 into the ground, and then rotate the pointer 7 to indicate the scale on the horizontal scale bar 4. . After use, insert the third telescopic cylinder 12 into the second telescopic cylinder 11, then insert the first telescopic cylinder 2 into the sleeve 3, push the second telescopic cylinder 11 out of the slideway 15, and then push the fixing member 10 into The second telescopic cylinder 11 is inserted into the second telescopic cylinder 11, and the fixing member 10 is pushed into the slot of the pull plate. At this time, the second telescopic cylinder 11 can be pushed into the inside of the first telescopic cylinder 2 to be inserted, and the sliding plate 1 can be slid into the sliding plate again after the insertion. In lane 15, the device can be retracted to the greatest extent possible.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the present utility model, any modifications, equivalent replacements, improvements, etc. made shall be included within the protection scope of the present utility model.

Claims (6)

1. A portable gradiometer for land surveying and mapping, comprising a measuring box (9), characterized in that: the measuring box is characterized in that a scale plate (8) is arranged inside the measuring box (9), a horizontal scale strip (4) is arranged on the surface of the scale plate (8), the upper part of the scale plate (8) is fixedly connected with a rotating rod (17), the other end of the rotating rod (17) is fixedly connected with a glass panel (18), the surface of the scale plate (8) is rotatably connected with a lantern ring (6), the bottom of the lantern ring (6) is fixedly connected with a pointer (7), a handle (5) is arranged above the measuring box (9), sleeves (3) are fixedly connected on two sides of the measuring box (9), the sleeves (3) are of a hollow structure, a first telescopic cylinder (2) is movably inserted in the sleeves (3), a sliding plate (1) is slidably connected on one side of the first telescopic cylinder (2), and a second telescopic cylinder (11) is movably connected on one side of the first telescopic cylinder (2), the utility model discloses a telescopic scale bar, including the flexible section of thick bamboo of second, the inside activity of the flexible section of thick bamboo of second (11) is pegged graft and is had mounting (10), mounting (10) are including U-shaped bayonet socket and arm-tie, the U-shaped internal orifice of mounting (10) with the bottom activity of first flexible section of thick bamboo (2) is pegged graft, the inside activity of the flexible section of thick bamboo of second (11) is pegged graft and is had flexible section of thick bamboo of third (12), the bottom activity of flexible section of thick bamboo of third (12) is pegged graft and is had fixed awl (14), the top fixedly connected with press plate (13) of fixed awl (14), the surface of first flexible section of thick bamboo (2) and flexible section of thick bamboo of.

2. The portable gradiometer for mapping earth of claim 1 wherein: the outside of scale plate (8) and the inner wall fixed connection who measures box (9), just scale plate (8) are located one side setting of measuring box (9).

3. The portable gradiometer for mapping earth of claim 1 wherein: the lantern ring (6) with pointer (7) all are located the middle part of scale plate (8) top, the needle point position and the relative setting of horizontal scale strip (4) of pointer (7), pointer (7) are kept away from scale plate (8) and glass panels (18).

4. The portable gradiometer for mapping earth of claim 1 wherein: the pull plate groove is formed in the opposite position of the pull plate and is located inside the second telescopic cylinder (11).

5. The portable gradiometer for mapping earth of claim 1 wherein: the side of first telescopic cylinder (2) is provided with slide (15), slide (1) and the relative position of slide (15) are provided with the slide rail, slide (1) with slide (15) sliding connection.

6. The portable gradiometer for mapping earth of claim 1 wherein: the pressing plate (13) is located on the outer side of the third telescopic cylinder (12), a sliding groove is formed in the surface of the third telescopic cylinder (12), and the pressing plate (13) is located inside the sliding groove and is in sliding connection with the sliding groove.

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