CN2135768Y

CN2135768Y - Gradient measurer

Info

Publication number: CN2135768Y
Application number: CN 92208433
Authority: CN
Inventors: 罗光志; 罗永瑞; 罗喜成; 井桂林; 井桂琴
Original assignee: 罗光志
Priority date: 1992-04-14
Filing date: 1992-04-14
Publication date: 1993-06-09
Anticipated expiration: 2002-04-14

Abstract

The utility model specially provides a gradient measurer for the engineering measurement of the mountain area. The gradient measurer is composed of the connection of a square plate, a rotary rule, a turning shaft for a plumb, a bobbin winder pulley and a thread rope. When the gradient measurer measures on the ground of the slope, the gradient measurer is put on the ground of the slope. The plumb line points to the angular value on the graduated arc of the angle on the dial, that is, the slope angle of the ground of the slope; the two rotary rules are adjusted to the intersection point of the plumb ball and the semi-circle line, the reading of the dial on the lower rotary rule to the reading of the top left rotary rule is the ratio of slope.

Description

Gradient measurer

The utility model belongs to the technological improvement of engineering surveying instrument, is specifically related to a kind of gradiometer.

The survey battering rule and the tiltmeter on ground, present existing measurement slope, one is to use inconvenience, and multi agent cooperation is wanted in bad operation, and the 2nd, measure and forbidden, not directly perceived again, the 3rd, the price height.

The purpose of this utility model is to fall behind situation at prior art, provides a kind of rational in infrastructure, easy to use, more advanced mountain area construction project to measure specific purpose tool.

The scheme of its solution is: the left side is provided with the unit length chi on a square plate, and the sideline, right side of its chi is the benchmark perpendicular line, is datum water level at the bottom of the square plate, and square plate is provided with 90 ° angle index arc, half garden line and can makes the garden arc groove of plumb bob swing.The higher authorities of rotary ruler and plumb bob line are connected and are fixed on the square plate upper left corner by rotating shaft, plumb bob is being suspended in following connection of plumb bob line in midair, the left end of another rotary ruler is connected and be fixed on the square plate lower left corner by another rotating shaft, with the cotton rope of bolt on reel another rotary ruler right-hand member is connected and constitutes the utility model by being connected reel on the square plate.

Concrete structure of the present utility model is drawn by following examples and accompanying drawing thereof.

Fig. 1: the front view that is gradiometer.

Fig. 2: the left view that is gradiometer.

From Fig. 1-2, the left side of square plate (1) is provided with unit length chi (8), unit length chi (8) sideline, right side is benchmark perpendicular line (4), square plate (1) end is datum water level (17), and square plate (1) is gone up also has 90 ° angle index arc (12), half garden line (10) and garden arc groove (13); Rotating shaft (9) is connected rotary ruler (5) upper end and is fixed on square plate (1) upper left corner with plumb bob line (6) the higher authorities, plumb bob (2) is being suspended in following connection of plumb bob line (6) in midair; Rotating shaft (3) connects the left end of another rotary ruler (16) and be fixed on the lower left corner of square plate (1); Reel (11) is connected square plate (1) top, and the higher authorities' bolt of cotton rope (14) is on reel, and following is connected with the right-hand member hole (15) of another rotary ruler (16); Plumb bob line (6) is the angle of gradient (7) with the angle of benchmark perpendicular line (4).

When measuring, instrument is put on the ground, slope that will survey, or, asks chi to place on the ground, slope with the holder chi, instrument is positioned on the holder chi.Ground, slope under the datum water level of instrument bottom surface changes, and makes the plumb bob swing, plumb bob line and remain vertical with the earth surface level (being earth shell).Like this: (1) plumb bob line refers to the numerical value on the angle index arc, be the angle of gradient on ground, slope, (2) spinning-reel is with instrument dish below rotary ruler and manual instrument dish top rotary ruler, make and be transferred to plumb bob line and line intersection point place, half garden between two rotary rulers, then instrument dish below rotary ruler reading (being that the unit slope is high) is the ratio of slope on ground, slope than instrument dish top rotary ruler reading (for unit level length).

Advantage of the present utility model: the one, simple and reasonable, with low cost; The 2nd, easy to carry, use flexibly, and easy to operate; The 3rd, to measure accurately, data are directly perceived; The 4th, applied widely.

Claims

1, a kind of by square plate, rotary ruler, plumb bob and plumb bob line, the gradiometer that the reel member constitutes, be the specific purpose tool that the mountain area construction project is measured, feature of the present utility model is: on the square plate (1), the left side is provided with unit length chi (8), the sideline, right side of its chi is benchmark perpendicular line (4), and the face of trying to get to the heart of a matter is datum water level (17).Also have 90 ° of angle index arcs (12), half garden line (10), garden arc groove (13), the plumb bob that can swing (2), plumb bob line (6) and rotary ruler (16), (5) that can rotate in addition on the dish.

2, according to the described gradiometer of claim 1, it is characterized in that: rotary ruler (5), plumb bob line (6) upper end are connected by rotating shaft (9) and are fixed on the square plate (1), and plumb bob (2) is suspended in the lower end of plumb bob line (6).

3, according to the described gradiometer of claim 1, it is characterized in that: rotary ruler (16) left end is connected by rotation axis (3) and is fixed on the square plate (1).

4, according to the described gradiometer of claim 1, it is characterized in that: rotary ruler (16) right-hand member is connected by cotton rope (14), and cotton rope (14) bolt is on reel (11), and reel (11) is fixed on the square plate (1).