CN102374840A - Middle pan comprehensive measurement gauge of scraper conveyor for coal mine and measurement method using same - Google Patents

Abstract

The invention belongs to the technical field of measuring tools for mechanical processing, and relates to a comprehensive measuring tool and a measuring method for a middle groove of a scraper conveyor used in coal mines. It includes: main ruler, combined base, auxiliary ruler, positioning guide rail, screws and wing nuts. It is characterized in that the main ruler and the auxiliary ruler are marked with scales and have long grooves. The vertical inner plane of the ruler, the measuring surface is 100mm away from the zero position of the scale; the measuring point of the auxiliary ruler is the apex of the left end, and the distance between the measuring point and the zero position of the scale is 100mm; On the same horizontal plane, the vertical scale is perpendicular to the base; the positioning guide rail has two mutually perpendicular through slots, the vertical scale of the combined base passes through the two positioning guide rails, and the main scale and the auxiliary scale pass through the horizontal guide rails of the positioning guide rail respectively Groove, and perpendicular to the vertical scale of the combination base, the main scale is on the top, and the auxiliary scale is below; the main scale and the auxiliary scale are respectively fixed on the vertical scale of the combination base with screws and wing nuts.

Description

Comprehensive measuring tool and measuring method for the middle groove of scraper conveyor used in coal mine

technical field

The invention relates to the technical field of measuring tools for mechanical processing, in particular to a comprehensive measuring tool and a measuring method for a middle groove of a scraper conveyor used in coal mines.

Background technique

The traditional method of measuring the middle groove is to use ordinary measuring tools to measure from both ends of the middle groove. Because the measuring surface of the groove width is not at the same measurement height as the inner and outer sides of the bent plate and the side of the rail seat, the dimensions from the inner opening of the groove width to the inner side of the bent plate, and the groove width The dimensions from the inner mouth to the outer side of the bent plate, and the groove width from the inner mouth to the center of the rail seat are all spatial dimensions, which cannot be directly measured. The traditional method is not only difficult to measure, but also takes a long time, and the measurement results are not accurate enough, which is time-consuming and laborious and cannot be guaranteed. Product quality, but also affect product installation and performance.

Contents of the invention

The object of the present invention is to provide a comprehensive measuring tool and measuring method for the middle groove of a scraper conveyor used in coal mines, which can not only measure accurately but also be versatile, flexible and convenient, and can directly and accurately measure the number of grooves in the front middle space size.

The technical solution adopted in the present invention is: the comprehensive inspection tool for the middle groove of the scraper conveyor used in coal mines is composed of a main ruler, a combined base, an auxiliary ruler, a positioning guide rail, screws and butterfly nuts. The main ruler and the auxiliary ruler are marked with scales and have long grooves. The measuring surface of the main ruler is the inner plane perpendicular to the left end of the main ruler. The distance m from the measuring surface to the zero position of the scale is 100mm, or the left end of the main ruler is the measuring point. The distance from the measuring point to the zero position of the scale is 100mm; the measuring point of the auxiliary scale is the apex of the left end, and the distance n from the measuring point to the zero position of the scale is 100mm; there is a long groove on the vertical scale of the combined base, and a concave hole on the bottom surface of the base The bottom surfaces of the left and right ends are on the same horizontal plane, and the vertical scale is perpendicular to the base; the positioning guide rail has two mutually perpendicular guide rail grooves, and the vertical scale of the combined base passes through the vertical guide rail grooves of the upper and lower positioning guide rails. The ruler and the auxiliary ruler pass through the horizontal guide rail grooves of the upper and lower positioning guide rails, and are perpendicular to the vertical scale of the combined base; the positioning guide rail and the main ruler, the positioning guide rail and the auxiliary ruler are fixed on the combined base by screws and wing nuts On the up and down positions of the vertical scale of the seat, the main scale is on the top and the auxiliary scale is on the bottom.

The measurement method of the comprehensive inspection tool for the middle groove of the scraper conveyor used in coal mines is:

Measure the horizontal distance c from the inner opening of the upper groove width of the middle groove to the outside of the bent plate:

First place the inspection tool on the middle plate of the middle groove, and take the middle plate as a reference, so that the two bottom surfaces of the combined base are fully in contact with the middle plate; adjust the auxiliary ruler so that its height is measured on the inner line of the upper groove width of the middle groove within the range and make the measurement point of the auxiliary scale contact with the width of the groove on the middle groove, reset the scale reading of the auxiliary scale to zero and perpendicular to the vertical scale of the combination base, and lock the auxiliary scale; The measuring surface is in contact with the outside of the bent plate and is perpendicular to the vertical scale of the combined base, lock the main scale, read the reading on the scale of the main scale, and obtain the horizontal distance c from the width of the groove on the middle groove to the outside of the bent plate accurate data;

The horizontal distance a from the width of the slot on the middle slot to the inner side of the rail seat:

As mentioned above, fix the measuring point of the auxiliary ruler in contact with the width of the groove on the middle groove, put the measuring surface of the main ruler in contact with the inner side of the rail seat and perpendicular to the vertical ruler of the combined base, lock the main ruler, and read Take the reading on the main scale scale to get the accurate data of the horizontal distance a from the width of the groove on the middle groove to the inner surface of the rail seat;

The horizontal distance from the width of the groove on the middle groove to the center line of the rail seat:

When the horizontal distance from the width of the groove on the middle groove to the center line of the rail seat is required, calculate a+d/2 to get its accurate value; (the groove width d of the rail seat is measured with an ordinary measuring tool)

Measure the horizontal distance b from the width of the groove on the middle groove to the inner side of the bent plate:

As mentioned above, fix the measuring point of the auxiliary ruler in contact with the inner opening of the upper groove of the middle groove, put the measuring point of the main ruler in contact with the inner side of the curved plate and perpendicular to the vertical ruler of the combined base, lock the main ruler, and read Take the reading on the scale of the main scale to get the accurate data of the horizontal distance b from the width of the groove on the middle groove to the inner side of the bent plate.

The beneficial effects of the present invention are as follows: 1. Realize the direct measurement of multiple spatial dimensions of the front middle groove, which solves the problems of poor detection of the original spatial dimensions, long time-consuming, and poor detection accuracy. The measurement method is simplified and the detection speed is improved. 2. The detection accuracy is guaranteed, the detection efficiency is improved, and the consistency of the size of the middle groove in the batch is guaranteed. The product quality is effectively controlled, resulting in considerable economic benefits. 3. Flexible and convenient to use, suitable for various types of front conveyor middle grooves, making the detection more accurate, flexible and convenient, and achieving the purpose of general use.

Description of drawings

Below in conjunction with accompanying drawing and example the utility model is further described

Figure 1 is a schematic diagram of the structure of the comprehensive measurement and inspection tool for the middle groove of the coal mine scraper conveyor with the inner plane perpendicular to the left end of the main ruler as the measuring surface;

Fig. 2 is the A-A sectional view of Fig. 1;

Fig. 3 is the B-B sectional view of Fig. 1;

Fig. 4 is a schematic structural diagram of the comprehensive measurement and inspection tool for the middle groove of the coal mine scraper conveyor with the left end of the main ruler as the measurement point;

Fig. 5 is a schematic diagram of measuring the horizontal distances of the grooves in the middle of the part.

Detailed ways

In the figure: 1 main scale, 2 combination base, 3 auxiliary scales, 4 positioning guide rails, 5 screws, 6 wing nuts;

a: The horizontal distance from the width of the groove on the middle groove to the inner surface of the rail seat;

b: The horizontal distance from the inner opening of the upper groove width of the middle groove to the inner side of the bent plate;

c: the horizontal distance from the inner opening of the upper groove width of the middle groove to the outer side of the bent plate;

d: rail seat groove width;

m: the distance from the measuring surface (point) of the main ruler to the zero position of the scale;

n: the distance from the measuring point of the sub-scale to the zero position of the scale.

As shown in Figures 1 to 3, it is composed of main ruler 1, combined base 2, auxiliary ruler 3, positioning guide rail 4, screw 5 and wing nut 6; the main ruler 1 and auxiliary ruler 2 are marked with scales and lengths Groove, the measuring surface of the main ruler 1 is the inner plane perpendicular to the left end of the main ruler, the distance m from the measuring surface to the zero position of the scale is 100mm, or the left end of the main ruler 1 is the measuring point, and the distance from the measuring point to the zero position of the scale is 100mm; The measurement point of the auxiliary ruler 3 is the apex of the left end, and the distance n from the measurement point to the zero position of the scale is 100mm; the vertical scale of the combination base 2 has a long groove, and the bottom surface of the base has a groove, and the bottom surfaces of the left and right ends are on the same horizontal plane Above, the vertical scale is perpendicular to the base; the positioning guide rail 4 has two guide rail grooves perpendicular to each other, the vertical scale of the combined base 2 passes through the vertical guide rail grooves of the upper and lower positioning guide rails 4, the main ruler 1 and the auxiliary ruler 3 Pass through the horizontal guide rail grooves of the upper and lower positioning guide rails 4, and be perpendicular to the vertical scale of the combined base 2; the positioning guide rail 4 and the main ruler 1, the positioning guide rail 4 and the auxiliary ruler 3 are all passed through the screw 5 and the wing nut 6 It is fixed on the upper and lower positions of the vertical scale of the combined base 2 (screws respectively pass through the holes on the positioning guide rail and the long slots on the vertical scale of the combined base, the horizontal long slots of the main scale or the auxiliary scale), and the main scale 1 is on the Above, sub-ruler 3 is below. The main scale 1 and the auxiliary scale 3 can move up and down on the vertical scale through the up and down positioning guide rails, and can also move left and right on the vertical scale through the horizontal long grooves thereon.

The measurement method of the comprehensive inspection tool for the middle groove of the scraper conveyor used in coal mines is:

Measure the horizontal distance c from the inner opening of the upper groove width of the middle groove to the outside of the bent plate:

As shown in Figure 1, first place the inspection tool on the middle plate of the middle groove, and use the middle plate as a reference to make the two bottom surfaces of the combined base fully contact with the middle plate; adjust the auxiliary ruler so that its height is on the upper groove of the middle groove Within the measurement range of the slot width line and make the measuring point of the auxiliary ruler contact the slot width inner opening of the middle groove, reset the scale reading of the auxiliary ruler to zero and perpendicular to the vertical ruler of the combination base, and lock the auxiliary ruler ;Then contact the measuring surface of the main ruler with the outside of the bent plate and be perpendicular to the vertical scale of the combination base, lock the main ruler, read the reading on the scale of the main ruler, and obtain the width of the upper groove of the middle groove from the inner mouth to the bend Accurate data of the horizontal distance c outside the plate;

The horizontal distance a from the width of the slot on the middle slot to the inner side of the rail seat:

As mentioned above, fix the measuring point of the auxiliary ruler in contact with the width of the groove on the middle groove, put the measuring surface of the main ruler in contact with the inner side of the rail seat and perpendicular to the vertical ruler of the combined base, lock the main ruler, and read Take the reading on the main scale scale to get the accurate data of the horizontal distance a from the width of the groove on the middle groove to the inner surface of the rail seat;

The horizontal distance from the width of the groove on the middle groove to the center line of the rail seat:

When the horizontal distance from the width of the groove on the middle groove to the center line of the rail seat is required, calculate a+d/2 to get its accurate value; (the groove width d of the rail seat is measured with an ordinary measuring tool)

Measure the horizontal distance b from the width of the groove on the middle groove to the inner side of the bent plate:

As mentioned above, the measuring point of the fixed auxiliary ruler is in contact with the width of the groove on the middle groove. As shown in Figure 4, the measuring point of the main ruler is in contact with the inner surface of the curved plate and is perpendicular to the vertical scale of the combined base. Lock the main scale and read the reading on the scale of the main scale to obtain the accurate data of the horizontal distance b from the width of the groove on the middle groove to the inner side of the bent plate.

Claims (2)

1. A comprehensive inspection tool for the middle groove of a scraper conveyor used in coal mines, characterized in that it consists of a main ruler (1), a combined base (2), an auxiliary ruler (3), a positioning guide rail (4), a screw (5 ) and wing nut (6); the main ruler (1) and the auxiliary ruler (3) are marked with scales and have long grooves, the measuring surface of the main ruler (1) is the inner plane perpendicular to the left end of the main ruler, and the measurement The distance m from the surface to the zero position of the scale is 100mm, or the left end of the main ruler (1) is the measuring point, and the distance from the measuring point to the zero position of the scale is 100mm; The distance n of the position is 100mm; the vertical scale of the combination base (2) has a long groove, the bottom surface of the base has a groove, the bottom surfaces of the left and right ends are on the same horizontal plane, and the vertical scale is perpendicular to the base; the positioning guide rail (4 ) has two guide rail grooves perpendicular to each other, the vertical scale of the combination base (2) passes through the vertical guide rail grooves of the upper and lower positioning guide rails (4), and the main ruler (1) and the auxiliary ruler (3) respectively pass through The horizontal guide rail grooves of the upper and lower positioning guide rails (4) are perpendicular to the vertical scale of the combined base (2); the positioning guide rail (4) and the main scale (1), the positioning guide rail (4) and the auxiliary scale (3) All are fixed on the vertical scale upper and lower positions of the combined base (2) by screws (5) and wing nuts (6), the main ruler (1) is on the top, and the auxiliary ruler (3) is below. 2. A measuring method with the middle groove comprehensive inspection tool of the scraper conveyor for coal mine according to claim 1, is characterized in that: Measure the horizontal distance c from the inner opening of the upper groove width of the middle groove to the outside of the bent plate: First place the inspection tool on the middle plate of the middle groove, and take the middle plate as a reference, so that the two bottom surfaces of the combined base (2) are in full contact with the middle plate; adjust the auxiliary ruler (3) so that its height is on the upper groove of the middle groove Within the measurement range of the groove width and inside line and make the measuring point of the auxiliary ruler (3) contact with the groove width inside of the middle groove, reset the scale reading of the auxiliary ruler (3) to zero and perpendicular to the combination base (2) Lock the auxiliary ruler (3); then make the measuring surface of the main ruler (1) contact the outside of the bent plate and be perpendicular to the vertical ruler of the combination base (2), lock the main ruler (1), Read the reading on the scale of the main ruler (1) to obtain the accurate data of the horizontal distance c from the width of the groove on the middle groove to the outside of the bent plate; The horizontal distance a from the width of the slot on the middle slot to the inner side of the rail seat: As mentioned above, the measuring point of the fixed sub-ruler (3) is in contact with the width of the groove on the middle groove, and the measuring surface of the main ruler (1) is in contact with the inner surface of the rail seat and is perpendicular to the vertical direction of the combined base (2). Straight ruler, lock the main ruler (1), read the reading on the scale of the main ruler (1), and get the accurate data of the horizontal distance a from the width of the groove on the middle groove to the inner surface of the rail seat; The horizontal distance from the width of the groove on the middle groove to the center line of the rail seat: When the horizontal distance from the width of the groove on the middle groove to the center line of the rail seat is required, calculate a+d/2 to get its exact value; Measure the horizontal distance b from the width of the groove on the middle groove to the inner side of the bent plate: As mentioned above, fix the measurement point of the auxiliary ruler (3) in contact with the inner opening of the groove width on the middle groove, and make the measurement point of the main ruler (1) contact with the inner side of the curved plate and perpendicular to the vertical direction of the combined base (2). Straight ruler, lock the main ruler (1), read the reading on the scale of the main ruler (1), the accurate data of the horizontal distance b from the width of the groove on the middle groove to the inner side of the bent plate can be obtained.

Images