CN102692172B - Non-contact height measuring scale - Google Patents

Abstract

A non-contact height measuring ruler relates to a measuring ruler. The purpose of the present invention is to solve the problems of high price, low versatility and cumbersome calculation steps of existing non-contact height measuring instruments due to the steep terrain of the measuring object in the existing height measuring work. The ruler surface of the arc-shaped scale is an arc-shaped surface, and the horizontal ruler frame, the vertical ruler frame and the arc-shaped scale ruler are sequentially connected to form a fan-shaped ruler frame, and the adjusting bolt passes through the through hole to connect the adjusting nut, and the pointer is located In the plane where the fan-shaped ruler frame is located, one end of the pointer passes through the intersection of the vertical ruler frame and the horizontal ruler frame and is fixed on the adjustment bolt. There are two pointer protrusions on the end of the pointer near the adjustment bolt, and the two pointer protrusions Pointer gaps are formed between them, and there is a pointer sight on the end of the pointer far away from the adjusting bolt. The invention is used to measure height.

Description

non-contact height gauge

technical field

The invention relates to a measuring ruler, in particular to a non-contact height measuring ruler.

Background technique

At present, in the existing height measurement work, there is a problem that the survey workers cannot directly measure the height due to the steep terrain where the measurement object is located, and there will be a great potential safety hazard in the direct forced measurement. Although the theodolite used in the existing measurement work can be carried out Non-contact height measurement, but due to the high price of theodolite, poor versatility, the steps of measuring height and subsequent calculations are relatively cumbersome, which also makes the measurement work difficult.

Contents of the invention

The purpose of the present invention is to provide a non-contact height measuring ruler, to solve the existing safety hazards in the measurement work due to the steep terrain where the measurement object is located in the existing height measurement work, and the existing non-contact height measuring instruments are expensive and common. The problem of small size and cumbersome calculation steps.

The technical scheme adopted by the present invention to solve the above-mentioned technical problems is: the non-contact height measuring ruler includes a horizontal ruler frame, a vertical ruler frame, an arc-shaped scale, a pointer, an adjusting bolt and an adjusting nut, and the arc-shaped scale The scale surface is a quarter arc surface protruding outward in the radial direction, and the side of the arc scale is processed with scales. The horizontal ruler frame, the vertical ruler frame and the arc scale are fixedly connected at the beginning and end to form a fan shape. The ruler frame, the intersection of the vertical ruler frame and the horizontal ruler frame is processed with a through hole, the adjustment bolt passes through the through hole and is connected with an adjustment nut, the pointer is located in the plane where the fan-shaped ruler frame is located, and one end of the pointer passes through the vertical ruler. The intersection of the frame and the level ruler frame is fixedly connected to the adjusting bolt, and the end of the pointer close to the adjusting bolt is processed with two pointer protrusions symmetrical to the central axis of the pointer length direction, and a pointer gap is formed between the two pointer protrusions. A pointer sight is processed on the end of the pointer away from the adjusting bolt, and the pointer sight is attached to the side where the scale of the arc-shaped scale is located, and an observation window is processed on the vertical ruler frame.

The beneficial effects of the present invention are: the present invention is used in the surveying work of measuring height, especially in the surveying work of steep terrain, the present invention is simple in structure, easy to operate, and the measured data can be directly converted by the tangent formula in mathematics That is, the calculation steps are simple; the present invention can visually see the measured object through the setting of the horizontal ruler frame, the vertical ruler frame, the arc scale, the pointer and the observation window; the setting of the observation window is to facilitate the measurement workers to be timely and effective The observation of the pointer; the work of the pointer depends on manual adjustment to make the pointer gap, the pointer front sight and the three points on the measured object line up to complete the measurement work.

Description of drawings

Fig. 1 is a schematic view of the structure of the front view of the present invention, Fig. 2 is a schematic view of the structure of the right view of Fig. 1, Fig. 3 is a schematic view of the structure of the front view of the pointer, Fig. 4 is a schematic view of the structure of the right view of Fig. State diagram.

Detailed ways

Specific embodiment 1: This embodiment is described in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5. The non-contact height measuring ruler in this embodiment includes a horizontal frame 1, a vertical frame 2, an arc Scale 3, pointer 4, adjusting bolt 5 and adjusting nut 6, the scale surface of described arc-shaped scale 3 is a quarter arc surface protruding outward along the radial direction, and the side of arc-shaped scale 3 is processed with Scale, the horizontal ruler frame 1, the vertical ruler frame 2 and the arc scale ruler 3 are fixedly connected from the beginning to the end to form a fan-shaped ruler frame, and the intersection of the vertical ruler frame 2 and the horizontal ruler frame 1 is processed with a through hole 7, and the adjustment bolt 5 is connected with the adjustment nut 6 through the through hole 7, the pointer 4 is located in the plane where the fan-shaped ruler frame is located, and one end of the pointer 4 passes through the intersection of the vertical ruler frame 2 and the horizontal ruler frame 1 and is fixedly connected to the adjustment bolt 5 On the end of the pointer 4 close to the adjustment bolt 5, two pointer protrusions 8 symmetrical to the central axis in the direction of the pointer length are processed, and a pointer gap 9 is formed between the two pointer protrusions 8, and the pointer 4 is far away from the adjustment bolt 5. A pointer sight 10 is processed at one end, and the pointer sight 10 is attached to the side where the scale of the arc-shaped scale 3 is located, and an observation window 11 is processed on the vertical ruler frame 2 .

Embodiment 2: In conjunction with FIG. 1 , FIG. 2 and FIG. 5 , the adjusting nut 6 in this embodiment is an ingot nut. The ingot nut controls the rotation of the adjusting bolt 5. By adjusting the ingot nut, the pointer 4 fixed on the adjusting bolt 5 swings with the rotation of the ingot nut, so that the pointer rotates to a position in line with the measuring point. The ingot nut makes the present invention Easy to operate and flexible. Other components and connections are the same as those in the first embodiment.

Specific embodiment three: in conjunction with Fig. 1, Fig. 2 and Fig. 5 explanation, the height of vertical ruler frame 2 described in this embodiment is 20 centimeters to 30 centimeters, the height of described observation window 11 is 15 centimeters to 25 centimeters, so The height of the observation window 11 is less than the height of the vertical ruler frame 2. Because the observation window 11 is processed in the vertical ruler frame 2, the observation window 11 and the vertical ruler frame 2 provided in this way are conducive to the good observation of the surveyor, and the measurement result is accurate and the error is small. When the height of the vertical ruler frame 2 is 25 cm, when the height of observation window 11 is 20 centimeters, the observation window 11 on the vertical ruler frame 2 has the best effect of observing the measuring object at this time, and it is also convenient to observe the scale on the curved scale 3 indicated by the pointer 4 Values, other compositions and connections are the same as those in Embodiment 1 or 2.

Embodiment 4: As described in conjunction with FIG. 1 , FIG. 2 and FIG. 5 , the non-contact height measuring ruler in this embodiment further includes a connecting shaft 12 , and the connecting shaft 12 is installed on the bottom surface of the level frame 1 . The setting of the connecting shaft 12 is to fix the present invention with the tripod 14 so that the present invention has good stability during the measurement process. Tripod 14 is a commercially available existing product. Other components and connections are the same as those in the third embodiment.

Embodiment 5: As illustrated in FIG. 1 and FIG. 5 , the non-contact height measuring ruler in this embodiment further includes a leveling device 13 , and the leveling device 13 is arranged on the side of the level frame 1 . The setting of the leveling device 13 is to level the plane where the present invention is located, which is beneficial to the accuracy of the measurement results. Other compositions and connections are the same as those in Embodiment 4.

Specific Embodiment 6: With reference to FIG. 1 and FIG. 5 , the leveling device 13 in this embodiment is a horizontal bead rolling leveling device. The horizontal bead rolling leveling device is a commercially available leveling device with low price, wide application and good effect. The other components and connections are the same as those in Embodiment 5.

The operation process of the present invention is described in conjunction with specific embodiment one, two, three, four, five and six: at first determine three observation points, each observation point is respectively 15 meters, 20 meters and 25 meters to the distance of measuring object, secondly Support the upper tripod 14 at the first observation point, fix the present invention on the tripod by the connecting shaft 12 of the present invention, adjust the pointer 4 to the position of 0 ° and point to the measuring object at the same time, then observe the leveling device 13 Adjust the tripod of the tripod so that the level frame 1 remains horizontal, measure, measure the height from the lowest point of the measured object to the ground, and then adjust the ingot nut 6 to make the pointer 4 fixed on the adjustment bolt 5 follow the ingot nut 6 to rotate and move, adjust the ingot nut 6 until the pointer 4 points to the highest point of the measured object, when the pointer notch 9, the pointer front 10 and the three highest points on the measured object are in line, record the scale value pointed by the pointer 4 . The sum of the values obtained by observing the lowest point and the highest point of the measuring object is the height of the measuring object. The setting of the second observation point and the third observation point is to calculate the average value of multiple measurements to accurately measure the results and reduce the error. The operation steps of the second observation point and the third observation point are the same as those of the first observation point.

Claims (1)

1. A non-contact height measuring ruler, characterized in that said non-contact height measuring ruler comprises a horizontal ruler frame (1), a vertical ruler frame (2), an arc-shaped scale (3), a pointer (4) , adjusting bolt (5) and adjusting nut (6), the scale surface of described arc scale (3) is a quarter arc surface protruding outward along the radial direction, the side of arc scale (3) Processing has scale, and described horizontal ruler frame (1), vertical ruler frame (2) and arc-shaped scale ruler (3) are fixedly connected from head to tail successively to form fan-shaped ruler frame, and vertical ruler frame (2) and horizontal ruler frame (1 ) is processed with a through hole (7), the adjusting bolt (5) passes through the through hole (7) and is connected with an adjusting nut (6), the pointer (4) is located in the plane where the fan-shaped ruler frame is located, and the pointer (4 ) passes through the intersection of the vertical ruler frame (2) and the horizontal ruler frame (1) and is fixedly connected to the adjustment bolt (5), and the end of the pointer (4) close to the adjustment bolt (5) is processed with two A pointer protrusion (8) symmetrical to the central axis in the direction of the pointer length, a pointer gap (9) is formed between the two pointer protrusions (8), and a pointer sight ( 10), the pointer front sight (10) is attached to the side where the scale of the arc-shaped scale (3) is located, and the vertical ruler frame (2) is processed with an observation window (II); The adjusting nut (6) is an ingot nut; The height of described vertical ruler frame (2) is 20 centimeters to 30 centimetres, and the height of described observation window (II) is 15 centimeters to 25 centimetres, and the height of described observation window (II) is less than vertical ruler frame (2) )the height of; The non-contact height measuring ruler also includes a connecting shaft (12), and the bottom surface of the level frame (1) is equipped with a connecting shaft (12); The non-contact height measuring ruler also includes a leveling device (13), and the leveling device (13) is arranged on the side of the level ruler frame (1); The leveling device (13) is a horizontal bead rolling leveling device; The above-mentioned operation process of the non-contact height measuring ruler first determines three observation points, and the distance from each observation point to the measuring object is 15 meters, 20 meters and 25 meters respectively, and secondly supports the upper tripod at the first observation point ( 14), fix the non-contact height measuring ruler on the tripod through the connecting shaft (12), adjust the pointer (4) to the position with an angle of 0° and point to the measuring object at the same time, and then adjust it by observing the leveling device (13) The stand of the tripod keeps the level frame (1) level, and then measures the height from the lowest point of the measured object to the ground, and then adjusts the ingot nut (6) to make the pointer fixed on the adjustment bolt (5) (4) Move with the rotation of the ingot nut (6), adjust the ingot nut (6) until the pointer (4) points to the highest point of the measured object, when the pointer notch (9), the pointer front sight (10) and the measured object When the three points of the highest point are in a line, record the scale value pointed by the pointer (4); The sum of the values obtained by observing the lowest point and the highest point of the measuring object is the height of the measuring object. The setting of the second observation point and the third observation point is to calculate the average value of multiple measurements to accurately measure the results and reduce the error. The operation steps of the second observation point and the third observation point are the same as those of the first observation point.