CN214951289U

CN214951289U - Combined prism for precise triangular elevation measurement

Info

Publication number: CN214951289U
Application number: CN202121221872.2U
Authority: CN
Inventors: 杨统
Original assignee: Wuhan Tiance Surveying And Mapping Technology Co ltd
Current assignee: Wuhan Tiance Surveying And Mapping Technology Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-11-30
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a combined prism for precise triangulation height measurement, which comprises a base and a fixed frame, the fixed frame is rotatably arranged on the base, two groups of fixed frames are rotatably arranged inside the fixed frame, a first prism and a second prism are respectively and slidably arranged inside the two groups of fixed frames, a box body is fixedly arranged on one side of the fixing frame, a first gear and a second gear are respectively and rotatably arranged in the box body, the first gear is engaged with the second gear, one side of the fixing frame is fixedly connected with a rotating shaft, one end of the rotating shaft is fixedly inserted in the inner ring of the second gear, the utility model is convenient for adjusting the angle of the combined prism, the adjusting process is simple and easy to operate, the use difficulty is reduced, the front and back position adjustment of the combined prism can be realized, even if the focal length of the combined prism is adjusted, the application range of the combined prism is improved to a certain extent.

Description

Combined prism for precise triangular elevation measurement

Technical Field

The utility model relates to a triangulation height measurement technical field specifically is a composite prism for accurate triangulation height measurement.

Background

Triangulation is a method of determining the height difference between two control points by observing the horizontal distance and zenith distance (or elevation angle) between the two control points. The method is simple, is slightly limited by terrain conditions, is a basic method for measuring the elevation of the earth control point, and the zenith distance observation is seriously influenced by the refraction of the ground atmosphere. If the atmospheric density is uniformly distributed, the light emitted from the light source L will propagate in all directions in the form of concentric spherical wavefronts with a velocity adapted to the atmospheric density. In practice, the atmospheric density generally decreases with increasing elevation, so the speed of light wave propagation upwards is greater than in the horizontal direction.

However, most of the combined prisms for height measurement in the prior art are inconvenient to adjust in angle, or complicated in adjustment process, and not easy to operate, and most of the existing combined prisms cannot adjust the focal length, that is, the combined prism cannot move back and forth, so that the application range of the combined prism is reduced, and therefore, the combined prism for precise triangular height measurement needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a composite prism for accurate triangulation height measurement is convenient for adjust composite prism's angle, and the simple easy operation of process of adjusting, has reduced the use degree of difficulty, can realize composite prism's front and back position control, even if be convenient for adjust composite prism's focus, improved composite prism's application range to a certain extent to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a combined prism for accurate triangle elevation measurement, includes base and fixed frame, fixed frame rotates and installs on the base, two sets of mounts are installed in the inside rotation of fixed frame, and is two sets of there are first prism and second prism in the inside of mount slidable mounting respectively, one side fixed mounting of fixed frame has the box body, the inside of box body rotates respectively and installs first gear and second gear, first gear and second gear meshing, one side fixedly connected with pivot of mount, the fixed inner circle of pegging graft in the second gear of one end of pivot.

Preferably, the fixing frame is a u-shaped fixing frame, an electric sliding rail is fixedly mounted at the inner top of the fixing frame, connecting seats are fixedly connected to the first prism and the second prism, and the connecting seats are fixedly connected to a sliding seat of the electric sliding rail.

Preferably, the inner wall of the fixing frame is provided with a sliding groove, the first prism and the second prism are fixedly connected with sliding blocks, and the sliding blocks are slidably mounted inside the sliding groove.

Preferably, the other side of the fixing frame is fixedly connected with a first connecting column, and one end of the first connecting column is rotatably installed on the inner wall of the fixing frame through a bearing.

Preferably, one side of the box body is provided with a knob, one end of the knob is fixedly connected with a second connecting column, and one end of the second connecting column is fixedly inserted into the inner ring of the first gear.

Preferably, the rotation centers of the rotating shaft and the first connecting column are located on the same straight line.

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

1. through the design of the knob, the first gear, the second gear and the rotating shaft, the knob rotates to drive the second connecting column to rotate, the second connecting column drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the rotating shaft to rotate, the rotating shaft drives the fixing frame to rotate, the fixing frame drives the first prism and the second prism to rotate, and further the angle of the combined prism can be adjusted;

2. through the design of electronic slide rail, connecting seat, spout and slider, electronic slide rail drives the connecting seat and removes, and the connecting seat drives the combination prism and slides in the inside of mount, and the combination prism drives the slider and slides in the inside of spout, the utility model discloses can realize the front and back position control of combination prism, even if be convenient for adjust the focus of combination prism, improved the application range of combination prism to a certain extent.

Drawings

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

fig. 2 is a schematic structural view of the fixing frame, the first prism and the sliding groove of the present invention;

fig. 3 is a schematic structural diagram of the first gear and the second gear of the present invention.

In the figure: 1. a base; 2. a fixing frame; 3. a fixed mount; 4. an electric slide rail; 5. a connecting seat; 6. a first prism; 7. a first connecting column; 8. a chute; 9. a slider; 10. a second prism; 11. a box body; 12. a first gear; 13. a second connecting column; 14. a knob; 15. a second gear; 16. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "rear," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like, may be used solely for convenience in reference to the figures and to aid in describing the invention, and are not intended to limit the invention.

Referring to fig. 1-3, the present invention provides a technical solution: a combined prism for precise triangulation elevation measurement comprises a base 1 and a fixed frame 2, wherein the fixed frame 2 is rotatably installed on the base 1, two groups of fixing frames 3 are rotatably installed inside the fixed frame 2, a partition plate is fixedly installed inside the fixed frame 2, the combined prism in the fixed frame 2 is prevented from interfering with each other in the rotating process, a first prism 6 and a second prism 10 are respectively slidably installed inside the two groups of fixing frames 3, the sliding process of the combined prism is a process of focusing the prism, and the first prism 6 and the second prism 10 can be separately focused;

the fixing frame 3 is arranged to be a u-shaped fixing frame, the opening of the fixing frame 3 faces downwards, an electric sliding rail 4 is fixedly installed at the inner top of the fixing frame 3, a connecting seat 5 is fixedly connected to each of a first prism 6 and a second prism 10, the connecting seat 5 is fixedly connected to a sliding seat of the electric sliding rail 4, the electric sliding rail 4 drives the connecting seat 5 to move, the connecting seat 5 drives the first prism 6 and the second prism 10 to move, a sliding groove 8 is formed in the inner wall of the fixing frame 3, two groups of sliding grooves 8 are formed in the sliding groove 8, a sliding block 9 is fixedly connected to each of the first prism 6 and the second prism 10, the end portion of the sliding block 9 is arranged to be semi-arc-shaped, the sliding block 9 and the sliding groove 8 are correspondingly arranged, and the sliding block 9 is slidably installed inside the sliding groove 8;

one side of the fixed frame 2 is fixedly provided with a box body 11, a first gear 12 and a second gear 15 are respectively and rotatably arranged in the box body 11, two groups of second gears 15 are arranged, the first gear 12 is engaged with the second gear 15, specifically, the first gear 12 is positioned between the two groups of second gears 15, the two groups of second gears 15 rotate in the same direction, one side of the box body 11 is provided with a knob 14, anti-skid stripes are fixedly connected to the knob 14, one end of the knob 14 is fixedly connected with a second connecting column 13, one end of the second connecting column 13 is fixedly inserted into the inner ring of the first gear 12, specifically, one side of the box body 11 is provided with a through hole, a bearing is fixedly embedded into the through hole, one end of the second connecting column 13 is fixedly inserted into the inner ring of the bearing, the knob 14 is screwed, the knob 14 drives the second connecting column 13 to rotate, the second connecting column 13 drives the first gear 12 to rotate, and the first gear 12 drives the two groups of second gears 15 to rotate;

one side fixedly connected with pivot 16 of mount 3, the fixed inner circle of pegging graft in second gear 15 of the one end of pivot 16, it is specific, the through-hole has been seted up to one side of fixed frame 2, the inside of through-hole is inlayed and is equipped with the bearing, and the fixed inner circle of pegging graft in the bearing of the one end of pivot 16, the first spliced pole 7 of the opposite side fixedly connected with of mount 3, the one end of first spliced pole 7 is passed through the bearing and is rotated and install in the inner wall of fixed frame 2, the rotation center of pivot 16 and first spliced pole 7 is located same straight line, it is specific, the center of rotation and the 16 coincidence of pivot of composite prism, second gear 15 drives pivot 16 and rotates, pivot 16 drives mount 3 and rotates, mount 3 drives first prism 6 and the rotation of second prism 10, and then the angle of adjustable composite prism.

In the specific implementation process, when the angle of the combined prism needs to be adjusted, the knob 14 is screwed, the knob 14 drives the second connecting column 13 to rotate, the second connecting column 13 drives the first gear 12 to rotate, the first gear 12 drives the second gear 15 to rotate, the second gear 15 drives the rotating shaft 16 to rotate, the rotating shaft 16 drives the fixing frame 3 to rotate, the fixing frame 3 drives the first prism 6 and the second prism 10 to rotate, the angle of the combined prism can be adjusted, when focusing is needed, the electric sliding rail 4 is started, the electric sliding rail 4 drives the connecting seat 5 to move, the connecting seat 5 drives the combined prism to slide in the fixing frame 3, and the combined prism drives the sliding block 9 to slide in the sliding groove 8.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a composite prism for accurate triangulation height measurement, includes base (1) and fixed frame (2), its characterized in that: fixed frame (2) rotate and install on base (1), two sets of mount (3) are installed in the inside rotation of fixed frame (2), and are two sets of there are first prism (6) and second prism (10) in the inside difference slidable mounting of mount (3), one side fixed mounting of fixed frame (2) has box body (11), the inside of box body (11) rotates respectively and installs first gear (12) and second gear (15), first gear (12) and second gear (15) meshing, one side fixedly connected with pivot (16) of mount (3), the fixed inner circle of pegging graft in second gear (15) of one end of pivot (16).

2. A combination prism for precision triangulation according to claim 1 characterised by: the utility model discloses a novel prism, including mount (3), interior top fixed mounting of mount (3) has electronic slide rail (4), equal fixedly connected with connecting seat (5) on first prism (6) and second prism (10), connecting seat (5) fixed connection is on the slide of electronic slide rail (4).

3. A combination prism for precision triangulation according to claim 1 characterised by: spout (8) have been seted up to the inner wall of mount (3), equal fixedly connected with slider (9) on first prism (6) and second prism (10), slider (9) slidable mounting is in the inside of spout (8).

4. A combination prism for precision triangulation according to claim 1 characterised by: the other side fixedly connected with first spliced pole (7) of mount (3), the one end of first spliced pole (7) is passed through the bearing and is rotated and install in the inner wall of fixed frame (2).

5. A combination prism for precision triangulation according to claim 1 characterised by: one side of the box body (11) is provided with a knob (14), one end of the knob (14) is fixedly connected with a second connecting column (13), and one end of the second connecting column (13) is fixedly inserted into the inner ring of the first gear (12).

6. A combination prism for precision triangulation according to claim 1 characterised by: the rotating shaft (16) and the rotating center of the first connecting column (7) are positioned on the same straight line.