CN219551490U - Alignment mechanism and surveying instrument - Google Patents

Abstract

The utility model discloses a measuring mechanism and a surveying and mapping measuring instrument. The surveying and mapping measuring instrument comprises: a shell, a plurality of prisms, water glass, an outer beveled glass, an inner beveled glass, an inner photosensitive ring piece, and an outer photosensitive ring chip, laser transmitter and processor; the water glass is set on the top of the shell of the measuring mechanism; the beveled glass of the outer ring is set at the position where the water glass is set on the shell; the beveled glass of the inner ring is located in the annular ring of the beveled glass of the outer ring; The photosensitive ring is set under the vertical projection of the inner beveled glass; the outer photosensitive ring is set under the vertical projection of the outer beveled glass; the laser transmitter is set at the center of the inner beveled glass ring; the processor is set at The casing of the measuring mechanism is connected with the photosensitive ring sheet of the inner ring, the display and the photosensitive ring sheet of the outer ring. The utility model can carry out multi-point measurement at the same time, and is convenient to use and has higher efficiency.

Description

A measuring mechanism and surveying and mapping measuring instrument

technical field

The utility model relates to the technical field of surveying and mapping instruments, in particular to a measuring mechanism and a surveying and mapping measuring instrument.

Background technique

Surveying and mapping is literally understood as surveying and drawing. It is based on computer technology, photoelectric technology, network communication technology, space science, and information science. It is based on global navigation satellite positioning system (GNSS), remote sensing (RS), and geographic information system (GIS). The technical core is to select the existing feature points and boundaries on the ground and obtain the graphics and position information reflecting the current situation of the ground through measurement means for engineering construction, planning and design and administrative management.

Surveying and mapping measuring instruments are instruments that establish horizontal line of sight and measure the horizontal distance and horizontal angle between ground points. They are particularly important surveying and mapping instruments in the field of surveying and mapping.

However, most of the existing surveying and mapping measuring instruments are aiming type. The distance and horizontal angle are measured by aiming at the target ruler through the telescope, so that it can only measure one point at a time, and the data needs to be recorded once to measure a point, which makes the measurement steps more cumbersome. The time is inconvenient, resulting in low surveying and mapping efficiency.

Utility model content

The purpose of the utility model is to provide a measuring mechanism and a surveying and mapping measuring instrument to solve the problem of inconvenient use of the existing surveying and mapping measuring instruments.

The technical scheme of the utility model is:

A measuring mechanism, comprising: a cylindrical shell; a plurality of prisms, arranged on the prism rod at the position to be measured; water glass, in the shape of a ring, arranged at the top of the shell of the measuring mechanism; the beveled glass of the outer ring , which is annular in shape, and is arranged at the position where the water glass is arranged on the outer shell, and the top of the outer beveled glass is connected to the inner top of the shell; the inner beveled glass, which is annular in shape, is located In the annular ring, the top of the beveled glass of the inner ring is connected to the inner top of the shell; the photosensitive ring sheet of the inner ring is arranged under the vertical projection of the beveled glass of the inner ring; the photosensitive ring sheet of the outer ring is arranged on the outer ring Under the vertical projection of the beveled glass; the laser emitter is arranged at the center of the annular ring of the inner beveled glass; the processor is arranged in the shell of the measuring mechanism, and is connected with the photosensitive ring sheet of the inner ring and the The laser emitter is connected with the photosensitive ring sheet of the outer ring to obtain the light signals of the photosensitive ring sheet of the inner ring and the photosensitive ring sheet of the outer ring.

Further, the zero scale line is engraved on both the outer photosensitive ring film and the inner photosensitive ring film,

Further, a display is also included, and the display is connected to the processor.

A surveying and mapping measuring instrument, comprising the above-mentioned calibration mechanism, and further comprising: a base bracket and a leveling plate, the base bracket is arranged under the casing of the calibration mechanism, and is used to carry the calibration mechanism, The leveling plate is arranged between the measuring mechanism and the base support.

Further, the leveling plate includes: an upper base, connected to the bottom end of the housing of the measuring mechanism; a lower base, connected to the base bracket; a leveling bubble, arranged on the top surface of the upper base; a plurality of foot screws, It is arranged between the upper base and the lower base.

Further, the base bracket is a tripod bracket, and the outriggers are telescopic.

Compared with the prior art, the beneficial effects of the utility model are:

1. The utility model can receive more than two laser beams reflected by the prism at the same time, and measure the horizontal distance and horizontal angle between several points on the ground at the same time, which greatly improves the measurement efficiency. The calculation results are displayed in the On the display screen, the difficulty of work is greatly reduced.

2. The utility model realizes the level adjustment of the calibration mechanism itself through the leveling plate, which is more convenient to use.

Description of drawings

Fig. 1 is the front view of the external structure schematic diagram of surveying and mapping measuring instrument of the present utility model;

Fig. 2 is the front view of the internal structure diagram of the surveying and mapping measuring instrument of the present utility model;

3 is a schematic diagram of the position and structure of the outer beveled glass, the inner photosensitive ring piece, the inner beveled glass, the outer photosensitive ring piece, and the laser emitter of the measuring mechanism of the utility model;

Fig. 4 is a top view of the positional relationship diagram between the measuring mechanism and the prism of the utility model.

Among them, 11. Processor, 12. Display, 121. Keyboard, 13. Prism, 2. Water glass, 3. Leveling plate, 31. Level bubble, 4. Foot screw adjustment handwheel group, 5. Base bracket, 6 , Outer beveled glass, 7. Inner photosensitive ring, 8. Inner beveled glass, 9. Outer photosensitive ring, 10. Laser emitter.

Detailed ways

Below in conjunction with accompanying drawing 1 to accompanying drawing 4, the specific embodiment of the utility model is described in detail. In describing the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal" , "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating Or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

The terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of these features; in the description of the present utility model, unless otherwise specified, the meaning of "plurality" is two or more.

It should be noted that the circuit connections involved in this utility model all adopt conventional circuit connection methods, and do not involve any innovation.

Example

As shown in Figures 1 to 4, the utility model discloses a calibration mechanism and its surveying and mapping measuring instrument, wherein the surveying and mapping measuring instrument includes: a calibration mechanism and a base bracket 5, and the calibration mechanism includes: a housing, a plurality of Prism 13, water glass 2, outer beveled glass 6, inner beveled glass 8, inner photosensitive ring 7, outer photosensitive ring 9, laser emitter 10 and processor 11, the shell is cylindrical; as shown Shown in 4, a plurality of prisms 13 are arranged on the prism bar of the position to be measured; As shown in Figure 3, water glass 2 is ring-shaped, is arranged on the shell top of described measuring mechanism; Outer beveled glass 6 is ring-shaped, sets At the position where the water glass 2 is arranged in the housing, the top of the outer beveled glass 6 is connected to the inner top of the housing; the inner beveled glass 8 is annular and is positioned in the annular ring of the outer beveled glass 6, The top of the inner beveled glass 8 is connected to the inner top of the housing; the inner photosensitive ring sheet 7 is arranged under the vertical projection of the inner beveled glass 8, and the edge is flush with the edge of the inner beveled glass 8; The ring photosensitive ring plate 9 is arranged under the vertical projection of the outer beveled glass 6, and the edge is flush with the edge of the outer beveled glass 6; the laser emitter 10 is arranged at the center of the inner beveled glass 8 annular ring position; the processor 11 is arranged in the housing of the measuring mechanism, and is connected with the photosensitive ring sheet 7 of the inner ring, the laser transmitter 10 and the photosensitive ring sheet 9 of the outer ring, and obtains the photosensitive ring sheet 7 of the inner ring and the photosensitive ring sheet of the outer ring. The light signal of the halo piece 9, the opening, closing, participating distance, and the function of the angle of the laser transmitter 10 are all controlled by the processor.

Preferably, in order to improve measurement efficiency, a leveling plate 3 is also included, and the leveling plate 3 is arranged between the measuring mechanism and the base support 5 .

Specifically, the leveling plate 3 includes: an upper base, a lower base, a plurality of foot screws 4 and a level bubble 31, the upper base is connected to the bottom end of the housing of the measuring mechanism; the support between the lower base and the top of the base bracket 5 The base is connected; the level bubble 31 is arranged on the top surface of the upper base; a plurality of foot screws 4 are arranged between the upper base and the lower base.

When in use, by turning the hand wheel of the foot screw 4, the corresponding part of the upper base can be raised and lowered, and by observing the bubble position of the level bubble 31, when the level bubble 31 is always in the middle position, it means that the leveling plate 3 is in a horizontal state, that is, , to make the measuring body level.

It is worth noting that the foot screw 4 was purchased from the base foot screw assembly of Yidai Hardware, and its adjustment and installation methods also use the existing adjustment and installation methods.

Preferably, in order to improve stability, the base bracket 5 is a tripod bracket with telescopic legs.

Preferably, in order to reflect the measurement results more intuitively, a display 12 is also included, connected to the processor 11, a keyboard 121 is arranged on the display 12, and the file management, new file, preservation, formatting, and copying in the display 12 are controlled by the keyboard 121 Various operation functions such as entering data.

Preferably, the laser transmitter 10 emits a horizontal plane laser beam, that is, emits a single-plane and horizontal laser beam in a 360-degree direction

Specifically, the laser emitter 10 emits a horizontal laser beam, the laser beam passes through the inner beveled glass 8, undergoes the first refraction, and continues to pass through the outer beveled glass 6 for the second refraction, and then emits infinitely outward;

The infinitely emitted laser light encounters the prism and is reflected back in the shape of a light beam, which reversely passes through the beveled glass 6 of the outer ring and the beveled glass 8 of the inner ring, completes secondary refraction, and shoots back to the laser transmitter 10;

The beveled glass 6 of the outer ring and the beveled glass 8 of the inner ring are both beam splitters, and the two laser beams separated by the beam splitter are shot onto the photosensitive ring sheet 9 of the outer ring and the photosensitive ring sheet 7 of the inner ring respectively;

The photosensitivity of the light-sensing ring sheet is an existing technology, which senses the laser line and converts the digital transmission to the processor 11, that is, the direction and the reflected distance of the reflected laser can be measured;

When the horizontal angle received by the photosensitive ring sheet 9 of the outer ring and the photosensitive ring sheet 7 of the inner ring is consistent, the processor 11 sends out the sound of successful measurement of the prism;

During specific implementation: the measuring principle is that zero scale lines are engraved on the outer ring photosensitive ring sheet 9 and the inner ring photosensitive ring sheet 7, and the laser light reflected from the outside passes through the outer ring beveled glass 6 and the inner ring beveled glass 8 respectively. On the photosensitive ring sheet under its projection, the light signals emitted by the outer ring photosensitive ring sheet 9 and the inner ring photosensitive ring sheet 7 are accepted by the processor 11, and the processor 11 judges the reflected light point position of the bar. At this time, the display 12 Displays the positions of multiple reflected light spots, marked sequentially from the right side of the zero scale line on the outer ring photosensitive ring 9 and the inner ring photosensitive ring 7: 1-+∞, the farther the zero scale mark is, the larger the number becomes , the number of each mark corresponds to the reflection source: the mark of prism 13, through the method explained above, calculate the direction angle of the light at each mark number, that is, the angle between the two light spots on each number Angle, if the direction angle of the light point on the inner ring photosensitive ring 7 and the outer ring photosensitive ring sheet 9 is inconsistent, it means that the reflected strip line does not return to the original point, and a deflection occurs. If consistent, the processor 11 sends the No. prism measuring success sound.

Specifically, the ranging principle is:

The distance from the laser beam to the beveled glass 6 on the outer ring to the laser emitter 10 is the same as the distance from the beveled glass 6 to the photosensitive ring sheet 9 on the outer ring. The prism 13 reflects the laser beam to the beveled glass 6 of the outer ring and then reflects it to the photosensitive ring sheet 9 of the outer ring, because the distance between the beveled glass 6 of the outer ring and the laser transmitter 10 and the distance from the beveled glass 6 of the outer ring to the photosensitive ring sheet 9 of the outer ring The distance is the same, so, after the processor 11 receives the laser beam signal reflected by the outer photosensitive ring sheet 9, it calculates the time from when the laser emitter 10 sends out the light speed to the time when the outer photosensitive ring sheet 9 receives the reflected laser beam , multiplied by the speed of light of the laser beam and divided by 2, the distance between the prism and the collimator can be calculated.

The above disclosures are only a few preferred specific embodiments of the utility model, but the utility model embodiment is not limited thereto, and any changes conceivable by those skilled in the art should fall into the protection of the utility model scope.

Claims (6)

1. An alignment mechanism, comprising:

a housing, cylindrical;

a plurality of prisms (13) disposed on the prism rod at the position to be measured;

the water glass (2) is annular in shape and is arranged at the top end of the shell of the calibration mechanism;

the outer ring inclined glass (6) is annular in shape and is arranged at the position of the shell where the water glass (2) is arranged, and the top end of the outer ring inclined glass (6) is connected with the top end of the inside of the shell;

the inner ring inclined glass (8) is annular and is positioned in the annular ring of the outer ring inclined glass (6), and the top end of the inner ring inclined glass (8) is connected to the inner top end of the shell;

the inner ring light-sensitive ring piece (7) is arranged under the vertical projection of the inner ring inclined glass (8);

the outer ring light-sensing ring piece (9) is arranged under the vertical projection of the outer ring inclined glass (6);

the laser emitter (10) is arranged at the center of the annular ring of the inner ring inclined glass (8);

the processor (11) is arranged in the shell of the alignment mechanism and connected with the inner ring light sensing ring piece (7) and the outer ring light sensing ring piece (9) to obtain light signals of the inner ring light sensing ring piece (7) and the outer ring light sensing ring piece (9).

2. An alignment mechanism according to claim 1, characterized in that zero graduation marks are engraved on both the outer ring light-sensing ring (9) and the inner ring light-sensing ring (7).

3. An alignment mechanism according to claim 1, further comprising a display (12), the display (12) being coupled to the processor (11).

4. A surveying instrument comprising a measuring mechanism according to any one of claims 1 to 3, further comprising: the leveling device comprises a base support (5) and a leveling disc (3), wherein the base support (5) is arranged below a shell of the leveling mechanism and used for bearing the leveling mechanism, and the leveling disc (3) is arranged between the leveling mechanism and the base support (5).

5. A surveying instrument according to claim 4, wherein the levelling disc (3) comprises:

an upper base connected with the bottom end of the shell of the alignment mechanism;

the lower base is connected with the base bracket (5);

a leveling bubble (31) provided on the top surface of the upper base;

and a plurality of foot spirals (4) arranged between the upper base and the lower base.

6. A surveying instrument according to claim 4, wherein the base support (5) is a tripod and the legs are telescopic.