CN207717077U - A kind of portable gradiometer of land surveying - Google Patents

Abstract

The utility model discloses a kind of portable gradiometers of land surveying, including main body on gradiometer, the through hole that the surface of main body opens up on the gradiometer is fixedly connected with fixed link, the surface activity of the fixed link is connected with roller bearing, the surface of the roller bearing has been respectively fixedly connected with pointer and pendular body, and the one end of the pendular body far from roller bearing is fixedly connected with gravity sphere.The portable gradiometer of the land surveying, pass through the roller bearing being connected in fixed link, pointer and pendular body is set to coordinate gravitation ball physical efficiency as the gradient changes and corresponding angle occurs, pass through the dial of body surfaces on gradiometer, can value of slope directly be read according to pointer, by pulling out telescopic rod and will contact to earth bar and tested ground contact keeping parallelism, realizing when engineering staff stands can be used portable gradiometer to be measured and read out value of slope, completion measurement work of bending over or squat down, the measurement method provided a convenient for engineering staff are not had in use thus.

Description

A kind of portable gradiometer of land surveying

Technical field

The utility model is related to field of measuring technique, the portable gradiometer of specially a kind of land surveying.

Background technology

Gradiometer is the mapping accessory product of a slope measuring function, and in land surveying, engineering staff needs to use A variety of measuring instruments, gradiometer are exactly one such, but for gradiometer currently on the market, and the levelling tube used is surveyed Amount mode, engineering staff are needing to obtain value of slope with reference to gradient conversion table in use, and in the gradient for measuring ground Value is to need engineering staff to bend over or squat down to read measured value, thus this measurement process is more inconvenient.

Utility model content

The purpose of this utility model is to provide a kind of portable gradiometers of land surveying, to solve above-mentioned background technology The problem of middle proposition.

To achieve the above object, the utility model provides the following technical solutions：A kind of portable gradiometer of land surveying, Including main body on gradiometer, the through hole that the surface of main body opens up on the gradiometer is fixedly connected with fixed link, the fixation The surface activity of bar is connected with roller bearing, and the surface of the roller bearing has been respectively fixedly connected with pointer and pendular body, and the pendular body is remote One end from roller bearing is fixedly connected with gravity sphere, and main body is provided with hand holding handle, the surface of the hand holding handle on the gradiometer It is fixedly connected with anti-skid bulge, the lower surface of main body is fixedly connected with main body under gradiometer, the gradiometer on the gradiometer The side of lower main body is fixedly connected with metal cartridge, and telescopic rod is fixedly connected at the top of the metal cartridge inner cavity, described to stretch The bottom of contracting bar is fixedly connected with the bar that contacts to earth, and the surface of main body is fixedly connected with dial, the dial on the gradiometer Edge be fixedly connected with transparent shield.

Preferably, the both ends of the roller bearing are fixedly connected with pointer, and the quantity of pointer is two.

Preferably, the lower surface of main body is provided with the bar slot that contacts to earth under the gradiometer.

Preferably, the surface of main body is provided with arc-shaped cavity under the gradiometer.

Preferably, the side of main body is fixedly connected with button block on the gradiometer.

Preferably, the top of the metal cartridge is fixedly connected with button block.

Compared with prior art, the utility model has the beneficial effects that：The portable gradiometer of the land surveying, passes through company The roller bearing being connected in fixed link makes pointer and pendular body that gravitation ball physical efficiency be coordinated corresponding angle occur as the gradient changes Degree directly can read value of slope by the dial of body surfaces on gradiometer according to pointer, by pulling out telescopic rod and will touch The thin end of the scroll contacts keeping parallelism with tested ground, realizes when engineering staff stands and portable gradiometer can be used to be measured and read out slope Angle value, thus do not have to completion measurement work of bending over or squat down in use, the measurement side provided a convenient for engineering staff Formula.

Description of the drawings

Fig. 1 is the utility model section structural schematic diagram；

Fig. 2 is the utility model positive structure diagram.

In figure：Main body, 2 fixed links, 3 roller bearings, 4 pointers, 5 pendular bodies, 6 gravity spheres, 7 hand holding handles, 8 are prevented on 1 gradiometer Main body under sliding protrusion, 9 gradiometers, 10 metal cartridges, 11 telescopic rods, 12 contact to earth bar, 13 dials, 14 transparent shields, 15 touch The thin end of the scroll slot, 16 arc-shaped cavities, 17 button blocks.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of portable gradiometer of land surveying, packet Include main body 1 on gradiometer, the side of main body 1 is fixedly connected with button block 17 on gradiometer, and the surface of main body 1 opens up on gradiometer Through hole is fixedly connected with fixed link 2, and the surface activity of fixed link 2 is connected with roller bearing 3, and the both ends of roller bearing 3 are fixed with pointer 4 Connection, and the quantity of pointer 4 is two, the surface of roller bearing 3 has been respectively fixedly connected with pointer 4 and pendular body 5, and pendular body 5 is separate One end of roller bearing 3 is fixedly connected with gravity sphere 6, by the roller bearing 3 being connected in fixed link 2, pointer 4 and pendular body 5 is made to match Closing gravity sphere 6 can change with the gradient and corresponding angle occur, and main body 1 is provided with hand holding handle 7 on gradiometer, hold The surface of handle 7 is fixedly connected with anti-skid bulge 8, and the lower surface of main body 1 is fixedly connected with main body 9 under gradiometer, slope on gradiometer The lower surface of main body 9 is provided with the bar slot 15 that contacts to earth under degree instrument, and the surface of main body 9 is provided with arc-shaped cavity 16, the gradient under gradiometer The side of main body 9 is fixedly connected with metal cartridge 10 under instrument, and the top of metal cartridge 10 is fixedly connected with button block 17, metal cartridge Telescopic rod 11 is fixedly connected at the top of 10 inner cavities, telescopic rod 11 can be collapsible into metal cartridge 10 when need not use In, keep gradiometer easy to carry, the bottom of telescopic rod 11 is fixedly connected with the bar 12 that contacts to earth, and the bar 12 that contacts to earth can 360 deg rotation Turn, therefore adapt to different ground, the surface of main body 1 is fixedly connected with dial 13 on gradiometer, by main on gradiometer The dial 13 on 1 surface of body directly can read value of slope according to pointer 4, and the scale value on dial 13 is converted into through over-angle The edge of the value shown after the conversion process of the gradient, dial 13 is fixedly connected with transparent shield 14, by pulling out telescopic rod 11 and will contact to earth bar 12 and tested ground contact keeping parallelism, realize i.e. available portable gradiometer survey when engineering staff stands Value of slope is measured and read, thus does not have to completion measurement work of bending over or squat down in use, for the engineering staff side of providing Just measurement method.

Operation principle：When using land surveying portable gradiometer, telescopic rod 11 is pulled open, contact to earth bar 12 and ground are made It contacts and keeping parallelism, when ground forms the gradient, gravity sphere 6 is affected by gravity perpendicular to the ground always, thus gravitation ball Body 6 drives pointer 4 by pendular body 5, so that pointer 4 is had change in location on dial 13, so as to realize that engineering staff is surveying Saving muscle power is kept standing position when measuring the gradient and facilitates reading scale value.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of land surveying portable gradiometer, including main body on gradiometer（1）, it is characterised in that：On the gradiometer Main body（1）The through hole that opens up of surface be fixedly connected with fixed link（2）, the fixed link（2）Surface activity be connected with rolling Axis（3）, the roller bearing（3）Surface be respectively fixedly connected with pointer（4）And pendular body（5）, the pendular body（5）Far from roller bearing （3）One end be fixedly connected with gravity sphere（6）, main body on the gradiometer（1）It is provided with hand holding handle（7）, the hand holding handle （7）Surface be fixedly connected with anti-skid bulge（8）, main body on the gradiometer（1）Lower surface be fixedly connected under gradiometer Main body（9）, main body under the gradiometer（9）Side be fixedly connected with metal cartridge（10）, the metal cartridge（10）Inner cavity Top be fixedly connected with telescopic rod（11）, the telescopic rod（11）Bottom be fixedly connected with the bar that contacts to earth（12）, the gradient Main body on instrument（1）Surface be fixedly connected with dial（13）, the dial（13）Edge be fixedly connected with transparent protection Cover（14）.

2. a kind of portable gradiometer of land surveying according to claim 1, it is characterised in that：The roller bearing（3）'s Both ends are and pointer（4）It is fixedly connected, and pointer（4）Quantity be two.

3. a kind of portable gradiometer of land surveying according to claim 1, it is characterised in that：It is main under the gradiometer Body（9）Lower surface be provided with the bar slot that contacts to earth（15）.

4. a kind of portable gradiometer of land surveying according to claim 1, it is characterised in that：It is main under the gradiometer Body（9）Surface be provided with arc-shaped cavity（16）.

5. a kind of portable gradiometer of land surveying according to claim 1, it is characterised in that：It is main on the gradiometer Body（1）Side be fixedly connected with button block（17）.

6. a kind of portable gradiometer of land surveying according to claim 1, it is characterised in that：The metal cartridge （10）Top and button block（17）It is fixedly connected.