CN213209060U

CN213209060U - Geodetic survey centering device

Info

Publication number: CN213209060U
Application number: CN202022671650.2U
Authority: CN
Inventors: 李小强; 杜伟超; 孙立军; 仲健民; 刘兴春
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-05-14
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to a geodetic survey technical field especially relates to a geodetic survey centering device. The to-be-solved technical problem of the utility model is the problem that needs recalibration after measuring instrument horizontal calibration is difficult and the short distance removes. In order to solve the technical problem, the utility model provides a geodetic survey centering device, including the installation main part, the bottom fixedly connected with bracing piece of installation main part, and the activity has cup jointed spacing pipe on the bracing piece, the bottom swing joint of bracing piece outer wall has three supporting legs, the outer wall swing joint of spacing pipe has three movable rod. The utility model discloses a support sleeve, spring, activity are tied, first loose ring and second loose ring can cooperate the balancing weight, make the vertical state that is in of fixed station and laser surveying main part nature under the effect of gravity, make things convenient for the centering to measure, excellent in use effect is efficient, need not the manual work and carries out the level calibration, and whole centering device simple structure, and the cost of manufacture is low.

Description

Geodetic survey centering device

Technical Field

The utility model relates to a geodetic survey technical field specifically is a geodetic survey centering device.

Background

The surveying and mapping centering rod is used as an indispensable centering device in surveying and mapping, and has wide application in surveying and mapping. At present, when the existing centering rod works, a rod point at the lower end of the centering rod is firstly aligned to a target point to be measured, two supporting rods are adjusted to center a circular bubble, and the upper prism group of the centering rod is vertical to the underground target point due to the fact that the centering rod is vertical. In order to ensure the measurement accuracy, the center of the prism group and the ground point are required to be plumb.

The prior art has at least the following problems which are not solved: 1. the vertical measurement of the existing measuring instrument is manually calibrated, and the centering rod is difficult to achieve high-precision vertical or a large amount of time is spent in the vertical process due to human reasons during engineering measurement or lofting; 2. and in the lofting process, the centering rod needs to be moved frequently, and the measuring instrument needs to be recalibrated after the short-distance movement.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a geodetic survey centering device has solved the difficult problem that needs recalibration after removing with the short distance of measuring instrument horizontal calibration.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a geodetic survey centering device comprises a mounting main body, wherein the bottom of the mounting main body is fixedly connected with a supporting rod, the supporting rod is movably sleeved with a limiting pipe, the bottom end of the outer wall of the supporting rod is movably connected with three supporting legs, the outer wall of the limiting pipe is movably connected with three movable rods, the bottoms of the three movable rods are respectively movably sleeved on the three supporting legs, one sides of the inner walls of the limiting pipes, which are opposite to each other, are respectively provided with a positioning groove, one sides of the inner walls of the supporting rods, which are opposite to each other, are movably connected with a reed, one sides of the reeds, which are opposite to each other, are respectively fixedly connected with a limiting column, the two limiting columns respectively penetrate through the supporting rod and are movably clamped with two positioning grooves matched with the outer sides of the supporting rods, the inner walls of, it is three the bottom of activity is tied runs through three support sleeve respectively and rather than the outer wall swing joint of the first activity ring of below, one side swing joint that first activity ring inner wall is relative has the second activity ring, and one side swing joint that second activity ring inner wall is relative has the fixed station, the upper and lower both sides of fixed station fixedly connected with laser survey main part and balancing weight respectively.

Preferably, the mounting main body is formed by fixedly connecting a circular ring with a disc through three connecting rods, and the balancing weight is movably sleeved in the mounting main body.

Further preferably, the number of the positioning grooves is not less than ten, and the positioning grooves are matched with the two limiting columns and are arranged on one side, opposite to the inner wall of the limiting pipe.

More preferably, the spring is made of elastic metal, and the side section of the spring is of a V-shaped structure.

Preferably, the heights of the first movable ring, the second movable ring and the fixed platform are equal, and the widths of the annular walls of the first movable ring and the second movable ring are equal.

Further preferably, the central axis at the top of the mounting main body coincides with the central axes at the top of the support rod, the fixing table, the laser measuring main body and the balancing weight respectively.

(III) advantageous effects

The utility model provides a geodetic survey centering device possesses following beneficial effect:

(1) through support sleeve, spring, activity bolt, first loose ring and second loose ring can cooperate the balancing weight, make vertical state that is in of fixed station and laser surveying main part nature under the effect of gravity, convenient centering is measured, and excellent in use effect is efficient, need not the manual work and carries out horizontal calibration, and whole centering device simple structure, the cost of manufacture is low.

(2) The utility model discloses a ground survey work efficiency measuring device, including the locating groove, the locating groove is fixed on the supporting leg movable rod, the cooperation through spacing pipe, supporting legs movable rod and reed, the direct spacing pipe that upwards slides of accessible, then the block state of spacing post of unblock and locating groove, and then accomodate or expand three supporting legs, and remove the in-process laser survey main part and remain the horizontality all the time, its operation process is simple degree of automation height, can effectual leveling and convenient maintenance, and can accomplish the centering adjustment in single operation efficient, the effectual geodetic survey work efficiency that has improved.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

fig. 2 is a top view of the structure fixing table of the present invention;

FIG. 3 is a front sectional view of the structural limiting tube of the present invention;

fig. 4 is a cross-sectional view of the structure mounting body of the present invention.

In the figure: 1. mounting the main body; 2. a support bar; 3. a limiting pipe; 4. supporting legs; 5. a movable rod; 6. positioning a groove; 7. a reed; 8. a limiting column; 9. a support sleeve; 10. a spring; 11. a movable bolt; 12. a first movable ring; 13. a second movable ring; 14. a fixed table; 15. a laser measurement body; 16. and a balancing weight.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a geodetic survey centering device comprises a mounting main body 1, the mounting main body 1 is composed of a disc and a ring fixedly connected through three connecting rods, a balancing weight 16 is movably sleeved in the mounting main body 1, the bottom of the mounting main body 1 is fixedly connected with a supporting rod 2, a limiting pipe 3 is movably sleeved on the supporting rod 2, the bottom end of the outer wall of the supporting rod 2 is movably connected with three supporting legs 4, the outer wall of the limiting pipe 3 is movably connected with three movable rods 5, the bottom ends of the three movable rods 5 are respectively movably sleeved on the three supporting legs 4, one side of the inner wall of the limiting pipe 3 opposite to each other is provided with a positioning groove 6, one side of the inner wall of the supporting rod 2 opposite to each other is movably connected with a reed 7, one side of the reed 7 opposite to each other is fixedly connected with a limiting column 8, the reed 7 is made of elastic metal, the side section of the reed 7 is of a V, the number of the positioning grooves 6 is not less than ten, the positioning grooves 6 are matched with two limiting columns 8 and arranged on one side, opposite to the inner wall of the limiting pipe 3, of the limiting pipe, the inner wall of the installation main body 1 is movably connected with three supporting sleeves 9, springs 10 and movable bolts 11 are movably sleeved in the supporting sleeves 9, the springs 10 are movably sleeved on the movable bolts 11, the bottom ends of the three movable bolts 11 respectively penetrate through the three supporting sleeves 9 and are movably connected with the outer wall of a first movable ring 12 below the three supporting sleeves, one side, opposite to the inner wall of the first movable ring 12, is movably connected with a second movable ring 13, one side, opposite to the inner wall of the second movable ring 13, is movably connected with a fixed table 14, the heights of the first movable ring 12 and the second movable ring 13 are equal to the fixed table 14, the widths of the ring walls of the first movable ring 12 and the second movable ring 13 are equal to each other, the upper side and the lower, the central axis at the top of the mounting main body 1 coincides with the central axes at the tops of the support rod 2, the fixed table 14, the laser measuring main body 15 and the balancing weight 16 respectively.

The utility model can be matched with the balancing weight 16 through the supporting sleeve 9, the spring 10, the movable bolt 11, the first movable ring 12 and the second movable ring 13, so that the fixed platform 14 and the laser measuring main body 15 are naturally in a vertical state under the action of gravity, thereby facilitating the centering measurement, having good use effect and high efficiency, needing no manual horizontal calibration, having simple structure and low manufacturing cost, through the matching of the limiting pipe 3, the movable rod 5 and the spring plate 7, the limiting pipe 3 can be directly slid upwards, then the clamping state of the limit column 8 and the positioning groove 6 is unlocked, and then the three supporting legs 4 are accommodated or unfolded, and the laser measuring main body 15 is always kept in a horizontal state in the moving process, the operation process is simple, the automation degree is high, the leveling can be effectively achieved, the leveling can be conveniently kept, the centering adjustment can be efficiently completed in one-man operation, and the geodetic surveying work efficiency is effectively improved.

The working principle is as follows: when needs use centring means to measure, spacing pipe 3 of lapse, under the cooperation of reed 7, make two spacing posts 8 joint simultaneously in two constant head tanks 6 of suitable height, three movable rod 5 is under the removal of spacing pipe 3, drive the outside periphery radial expansion of three supporting legs 4 simultaneously, make placing that this device can be steady with subaerial, through support sleeve 9, spring 10, activity bolt 11, first loose ring 12 and second loose ring 13 can cooperate balancing weight 16, make the vertical state of being in of fixed station 14 and laser measurement main part 15 nature under the effect of gravity, need not the manual work and carry out the level calibration, when need accomodate this device, spacing pipe 3 of lapse makes three supporting legs 4 reset can.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. Geodetic centering device comprising a mounting body (1), characterized in that: the bottom of the installation main body (1) is fixedly connected with a supporting rod (2), the supporting rod (2) is movably sleeved with a limiting pipe (3), the bottom of the outer wall of the supporting rod (2) is movably connected with three supporting legs (4), the outer wall of the limiting pipe (3) is movably connected with three movable rods (5), the bottoms of the three movable rods (5) are respectively movably sleeved on the three supporting legs (4), one side of the inner wall of the limiting pipe (3) opposite to each other is provided with a positioning groove (6), one side of the inner wall of the supporting rod (2) opposite to each other is movably connected with a reed (7), one side of each reed (7) opposite to each other is fixedly connected with a limiting column (8), the two limiting columns (8) respectively penetrate through the supporting rod (2) and are movably clamped with the two positioning grooves (6) matched with the outer side of the supporting rod, the inner wall of the installation main, and the activity has cup jointed spring (10) and activity and has tied (11) in support sleeve (9), spring (10) activity is cup jointed on activity is tied (11), and is three the bottom that activity was tied (11) runs through three support sleeve (9) respectively and is tied with the outer wall swing joint of the first activity ring (12) of its below, one side swing joint that first activity ring (12) inner wall is relative has second activity ring (13), and one side swing joint that second activity ring (13) inner wall is relative has fixed station (14), the upper and lower both sides difference fixedly connected with laser survey main part (15) and balancing weight (16) of fixed station (14).

2. A geodetic centering device according to claim 1, wherein: the mounting main body (1) is composed of a disc and a circular ring fixedly connected with the disc through three connecting rods, and the balancing weight (16) is movably sleeved in the mounting main body (1).

3. A geodetic centering device according to claim 1, wherein: the number of the positioning grooves (6) is not less than ten, and the positioning grooves (6) are matched with two limiting columns (8) and are arranged on one side, opposite to the inner wall of the limiting pipe (3).

4. A geodetic centering device according to claim 1, wherein: the reed (7) is made of elastic metal, and the side section of the reed (7) is of a V-shaped structure.

5. A geodetic centering device according to claim 1, wherein: the heights of the first movable ring (12), the second movable ring (13) and the fixed platform (14) are equal, and the widths of the ring walls of the first movable ring (12) and the second movable ring (13) are equal.

6. A geodetic centering device according to claim 1, wherein: the central axis at the top of the mounting main body (1) coincides with the central axes at the tops of the supporting rod (2), the fixing table (14), the laser measuring main body (15) and the balancing weight (16) respectively.