CN210689604U - Measuring tool for slope inclination angle of step of surface mine - Google Patents

Abstract

The utility model discloses a measuring tool at domatic inclination of surface mine step, including fixed arm, rotor arm and spirit level in its constitution, the one end of fixed arm is rotated through pivot and rotor arm and is connected, is equipped with the angle groove that revolutes the distribution of axes on the fixed arm, be equipped with the axis of perpendicular to pivot on the rotor arm and with the corresponding angle pointer of angle groove on the fixed arm, the spirit level is installed on the fixed arm. The utility model discloses a rotor arm leans on the surface mine step is domatic, utilizes the spirit level to transfer the fixed arm to horizontal position, can read the measured value at the domatic inclination of surface mine step through the relative position of angle pointer and angle groove. The device can not only measure the slope inclination fast, accurately, has advantages such as simple structure, low cost, convenient operation are swift moreover, can effectively reduce measurement cost, improves measurement of efficiency, is fit for popularizing and applying.

Description

Measuring tool for slope inclination angle of step of surface mine

Technical Field

The utility model relates to a simple and easy instrument for measuring domatic inclination of surface mine step belongs to and measures technical field.

Background

The dip angle of the step slope of the surface mine is one of important parameters of mine production, and the dip angle of the step slope is too small, so that the ore recovery rate is influenced, and economic loss is caused; the slope inclination angle of the step is too large, so that landslide risk exists, and potential safety hazard is caused. Therefore, the reasonable slope inclination angle of the step is a necessary condition for the safe production of the surface mine.

Because the existing angle measuring instrument is only suitable for conventional measurement and cannot be used for measuring large-scale step slopes, the steps are generally measured by expensive surveying and mapping instruments at present, and then the slope inclination angles of the step slopes are obtained by calculation. Therefore, it is necessary to design a measuring tool for the slope inclination angle of the step of the surface mine, which has the advantages of simple structure, low cost and convenient and quick operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's drawback, provide a measuring tool at the domatic inclination of surface mine step to reduce measurement cost, improve measurement of efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a measuring tool at domatic inclination of surface mine step, includes fixed arm, rotor arm and spirit level in the constitution, the one end of fixed arm is passed through the pivot and is connected with the rotor arm rotation, is equipped with the angle groove that revolutes the distribution of axes on the fixed arm, be equipped with on the rotor arm along the radial setting of pivot and with the corresponding angle pointer of angle groove on the fixed arm, the spirit level is installed on the fixed arm.

According to the measuring tool for the slope surface inclination angle of the steps of the surface mine, the rotating shaft is located at one end of the rotating arm.

According to the measuring tool for the slope inclination angle of the surface mine step, the length of the fixed arm is larger than that of the rotating arm, and the fixed arm is provided with the groove matched with the rotating arm.

The surface mine step slope inclination angle measuring tool is characterized in that the gradienter is a bubble gradienter.

According to the measuring tool for the slope surface inclination angle of the step of the surface mine, the distribution range of the angle scribed lines is 90 degrees.

According to the measuring tool for the slope inclination angle of the surface mine step, the fixed arm and/or the rotating arm are/is a transparent strip-shaped plate.

The utility model discloses a rotor arm leans on the surface mine step is domatic, utilizes the spirit level to transfer the fixed arm to horizontal position, can read the measured value at the domatic inclination of surface mine step through the relative position of angle pointer and angle groove. The device can not only measure the slope inclination fast, accurately, has advantages such as simple structure, low cost, convenient operation are swift moreover, can effectively reduce measurement cost, improves measurement of efficiency, is fit for popularizing and applying.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of a fixing arm;

FIG. 3 is a schematic view of the construction of the swivel arm;

FIG. 4 is a schematic view of the measurement of the slope angle of the steps of the surface mine.

The reference numbers in the figures are as follows: 1. the device comprises a fixed arm, 1-1 parts of an angle scribing line, 1-2 parts of a fixed arm shaft hole, 2 parts of a rotating arm, 2-1 parts of an angle pointer, 2-2 parts of a rotating arm shaft hole, 3 parts of a rotating shaft, 4 parts of a level gauge, 5 parts of an open mine step slope.

Detailed Description

The utility model provides an instrument of the domatic inclination of rapid survey open mine step. The tool is made of widely available materials and is simple and quick to manufacture.

Referring to fig. 1, 2 and 3, the present invention mainly includes a fixed arm 1, a rotating arm 2, a rotating shaft 3 and a bubble level 4. The fixed arm 1 is connected with the rotating arm 2 through a rotating shaft 3, and a bubble level meter 4 is embedded above the fixed arm 1. The fixed arm 1 is provided with angle graduations 1-1 distributed around the rotating shaft 3, and the rotating arm 2 is provided with angle pointers 2-1 vertically opposite to the axis of the rotating shaft 3, so that the fixed arm 1 and the rotating arm 2 form a protractor suitable for measuring the slope inclination angle of the steps of the surface mine. The measuring range of the protractor is set to be 90 degrees in consideration of the variation range of the slope angle of the step slope of the surface mine.

Referring to fig. 4, the using method of the present invention is as follows:

1. clinging the rotating arm 2 to the step slope 5 of the surface mine to be measured, and simultaneously keeping the rotating shaft 3 horizontal and parallel to the step slope 5 of the surface mine;

2. adjusting the angle of the fixed arm 1, and when the bubble in the bubble level meter 4 is located at the middle position, indicating that the fixed arm 1 is located at the horizontal position;

3. and observing the relative position of the angle pointer 2-1 and the angle scale line 1-1 to obtain a measured value of the slope inclination angle of the step of the surface mine.

In fig. 1, the fixed arm 1 and the rotating arm 2 are both long flat plates, and at least one of them is made of high molecular polymer with high transparency so as to read the measured value. The fixed arm 1 is connected to the end of the rotating arm 2, and in particular, can be connected to the middle of the rotating arm 2.

In order to make the whole tool be shortest after being folded, the fixed arm 1 is preferably connected to the end part of the rotating arm 2, in order to be convenient to carry, the rotating arm 2 can be made shorter, a groove matched with the rotating arm 2 is arranged on the fixed arm 1, and when the measuring tool is closed, the rotating arm 2 is completely arranged in the groove on the fixed arm 1 and is tightly attached.

The tool has the characteristics of simple structure, easiness in manufacturing, low manufacturing cost, convenience in carrying, accuracy in measurement, no power consumption and the like, can quickly and accurately measure the slope angle, detects whether the slope angle meets the production requirement, plays a certain role in safety production of mines, and is suitable for popularization and use.

Claims (5)

1. The utility model provides a measuring tool at domatic inclination of surface mine step, characterized by includes fixed arm (1), rotor arm (2) and spirit level (4) in the constitution, the one end of fixed arm (1) is passed through pivot (3) and is rotated with rotor arm (2) and be connected, is equipped with angle groove (1-1) that revolute axle (3) and distribute on fixed arm (1), be equipped with on rotor arm (2) along the radial setting of pivot (3) and with angle groove (1-1) corresponding angle pointer (2-1) on fixed arm (1), install on fixed arm (1) spirit level (4).

2. A surface mine slope inclination measuring tool according to claim 1, characterized in that the axis of rotation (3) is located at one end of the rotor arm (2).

3. The tool for measuring the slope angle of a surface mine step according to claim 2, wherein the length of the fixed arm (1) is greater than that of the rotating arm (2), and a groove matched with the rotating arm (2) is formed on the fixed arm (1).

4. A surface mine slope inclination measuring tool according to claim 3, characterised in that said level (4) is a bubble level (4).

5. A surface mine slope inclination measuring tool according to claim 4, wherein the angular graduations (1-1) are distributed over 90 °.

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