CN218671445U

CN218671445U - Bottom levelling device of surveying instrument

Info

Publication number: CN218671445U
Application number: CN202223201271.2U
Authority: CN
Inventors: 周声声; 张浩城; 刘子良
Original assignee: Guangdong Yusheng Survey Engineering Co ltd
Current assignee: Guangdong Yusheng Survey Engineering Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-03-21
Anticipated expiration: 2032-11-29

Abstract

The utility model provides a bottom levelling device of surveying instrument belongs to surveying instrument technical field, including surveying device and levelling mechanism, there is the supporting leg bottom of surveying device through hinge fixed mounting, and the bottom of supporting leg is provided with the fixed sleeve, and the flexible leg has been cup jointed in the spacing activity of fixed sleeve's center department, and the lateral wall fixed mounting of levelling mechanism has the fixed column. The utility model discloses a, through adjusting the length of stretching out of flexible regulation post, can make each group's supporting leg unanimous with mapping device's bottom center department contained angle, make and form a set of regular triangle structure between each group's the bottom of supporting leg, stability is higher, can realize whole quick leveling to levelling mechanism and mapping device simultaneously, the level precision is high, when mapping device start survey and drawing, only need finely tune can realize the level control, reduce the leveling work of mapping device during operation, the efficiency of mapping work has been improved.

Description

Bottom levelling device of surveying instrument

Technical Field

The utility model relates to a surveying instrument field particularly, relates to a bottom levelling device of surveying instrument.

Background

Engineering surveying generally refers to collecting spatial information of a construction area using a special surveying instrument, and drawing the collected information into a topographic map for subsequent engineering construction, and the surveying instrument is a measuring instrument having functions of orientation, distance measurement, angle measurement, height measurement, mapping, photogrammetry, and the like.

The prior art publication No. CN217637359U discloses a surveying instrument for engineering surveying and mapping with a leveling structure at the bottom, which comprises a surveying instrument body, wherein the surveying instrument body is movably placed at the top of a bracket in parallel, a controller is embedded at the side of the surveying instrument body, a horizontal ruler is embedded at the side of the surveying instrument body, and a handle is fixedly connected to the top of the surveying instrument body; a connecting rod fixedly connected at the end of the surveying instrument body. The surveying instrument for engineering surveying and mapping with the leveling structure at the bottom is convenient for a tester to adjust the height of the surveying instrument body through the arranged threaded rods and the arranged threaded sleeves, and the height of the surveying instrument body can be adjusted from four directions by the tester due to the four threaded rods, so that the surveying instrument body is adjusted to be in a parallel state, and whether the surveying instrument body is in the parallel state or not is convenient for the tester to be in the parallel state during leveling through the matching use of the leveling ruler, thereby providing convenience for the post-detection of the tester;

but prior art still has certain limitation, current surveying instrument adopts longer tripod supporting mechanism when the outdoor use more, prior art's four corners screw thread is adjusted can't with the surveying instrument phase-match of triangular supports type, and current surveying instrument generally adopts to visualize when using, make the surveying instrument tend to the level, realize the level of accurate regulation surveying instrument through adjusting the surveying instrument when using, but the regulation of visualing makes surveying instrument and horizontality have great error easily, lead to follow-up leveling operation to need to invest in more time and energy, influence surveying work's efficiency.

How to invent a bottom leveling device of a surveying instrument to improve the problems becomes a problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a bottom levelling device of surveying instrument aims at improving the poor problem of leveling precision before the prior art surveying instrument uses.

The utility model discloses a realize like this:

the utility model provides a bottom leveling device of a surveying instrument, which comprises a surveying instrument and a leveling mechanism, wherein the bottom of the surveying instrument is fixedly provided with a supporting leg through a hinge, the bottom of the supporting leg is provided with a fixed sleeve, a telescopic leg is sleeved at the center of the fixed sleeve in a limiting movement manner, the outer side wall of the leveling mechanism is fixedly provided with a fixed column, a telescopic adjusting column is sleeved in the internal limiting movement manner of the fixed column, the tail end of the telescopic adjusting column is rotatably connected with a fixed hinge shaft, the other end of the fixed hinge shaft is fixedly connected with the fixed sleeve, and the side wall of the fixed column is provided with a fixed bolt;

through the above scheme, through adjusting the length of stretching out of flexible regulation post, can make each group's supporting leg unanimous with mapping device's bottom center department contained angle, make and form a set of regular triangle structure between the bottom of each group's supporting leg, stability is higher, can realize whole quick leveling to levelling mechanism and mapping device simultaneously, when mapping device start survey and drawing, only need finely tune can realize the leveling, improve the efficiency of survey and drawing leveling operation greatly.

Preferably, the contact part of the side wall of the telescopic adjusting column and the fixed column is kept attached;

through above-mentioned scheme, when adjusting the extension length of fixed column through flexible regulation post, the lateral wall of flexible regulation post can offset tightly with the contact site of fixed column, prevents that the fixed column from rocking and the displacement, has guaranteed the stability of adjusting.

Preferably, the outer side wall of the telescopic adjusting column is provided with a scale groove;

through the scheme, the scale groove that sets up through flexible regulation post lateral wall can adjust each group's flexible regulation post extension length and keep unanimous, further can make the interval between each group's fixed sleeve and the levelling mechanism equal, and each group's supporting leg is unanimous with mapping device's bottom center department contained angle, forms a set of regular triangle structure between the bottom of each group's supporting leg, has higher support and stable effect.

Preferably, the leveling mechanism is designed to be an annular structure;

through the scheme, the annular design of the leveling mechanism is not influenced when the theodolite in the surveying and mapping device observes the fixed measuring mark right below through the vertical axis of the sighting axis of the observation window.

Preferably, an external thread is designed at the contact position of the fixing bolt and the fixing column, a thread groove matched with the contact part of the fixing column and the fixing bolt is arranged at the contact part of the fixing bolt and the fixing column, and the fixing bolt and the fixing column are in threaded connection;

through above-mentioned scheme, can realize tightly supporting to the fixed column through twisting fixing bolt, can realize fixing the operation to the fixed column.

Preferably, the top of each group of fixed columns is fixedly provided with a horizontal bubble;

through the scheme, the quick leveling of the leveling mechanism can be realized by observing the bubbles at the center of the horizontal bubble during adjustment, the quick leveling of the surveying and mapping device is further realized, and the surveying and mapping device only needs to be finely adjusted after being put into operation, so that the leveling operation of the surveying and mapping device during operation is greatly reduced, and the efficiency of the surveying and mapping operation is improved.

The utility model has the advantages that:

by adjusting the extension length of the telescopic adjusting column, included angles between each group of supporting legs and the center of the bottom of the surveying and mapping device can be consistent, a group of regular triangle structures are formed between the bottoms of each group of supporting legs, the stability is higher, meanwhile, the leveling mechanism and the surveying and mapping device can be integrally and quickly leveled, the horizontal accuracy is high, when the surveying and mapping device is started up for surveying and mapping, the horizontal adjustment can be realized only through fine adjustment, the leveling work during the work of the surveying and mapping device is reduced, and the efficiency of the surveying and mapping work is improved;

the leveling mechanism can realize the limitation and fixation of the supporting leg through the fixed column, the telescopic adjusting column, the fixed hinge shaft and the fixed sleeve, the extension angle of the supporting leg is prevented from changing and shaking, and the stable operation of the surveying instrument is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of an overall structure of a bottom leveling device of a surveying instrument according to an embodiment of the present invention;

fig. 2 is a schematic view of a leveling mechanism of a bottom leveling device of a surveying instrument according to an embodiment of the present invention;

fig. 3 is a schematic diagram of an internal structure of a fixing column of a bottom leveling device of a surveying instrument according to an embodiment of the present invention.

In the figure: 1. a mapping device; 2. supporting legs; 3. a telescopic leg; 4. a leveling mechanism; 31. fixing the sleeve; 41. fixing a column; 42. a telescopic adjusting column; 43. fixing a hinge shaft; 44. fixing the bolt; 45. horizontal bubble.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.

Examples

Referring to fig. 1-3, a bottom leveling device of a surveying instrument, including surveying device 1 and leveling mechanism 4, the bottom of surveying device 1 has supporting leg 2 through hinge fixed mounting, the bottom of supporting leg 2 is provided with fixed sleeve 31, the spacing activity of center department of fixed sleeve 31 has cup jointed flexible leg 3, the lateral wall fixed mounting of leveling mechanism 4 has fixed column 41, the inside spacing activity of fixed column 41 has cup jointed flexible regulation post 42, the end of flexible regulation post 42 rotates and is connected with fixed hinge 43, the other end and the fixed sleeve 31 looks fixed connection of fixed hinge 43, the lateral wall of fixed column 41 is provided with fixing bolt 44.

Referring to fig. 3, the contact portion of the side wall of the telescopic adjusting post 42 and the fixed post 41 is kept in contact.

Further, the outer side wall of the telescopic adjusting column 42 is provided with a scale groove.

The leveling mechanism 4 is designed to have a ring structure.

Referring to fig. 3, the contact portion between the fixing bolt 44 and the fixing column 41 is designed with an external thread, and the contact portion between the fixing column 41 and the fixing bolt 44 is provided with a thread groove adapted to the external thread, and the fixing bolt 44 and the fixing column 41 are connected by a thread.

Further, a horizontal bubble 45 is fixedly mounted on the top of each set of fixing posts 41.

The working principle of the bottom leveling device of the surveying instrument is as follows:

when the surveying and mapping work is carried out by the surveying and mapping device 1, the surveying and mapping device 1 is required to be adjusted to be in a horizontal state to ensure the measuring accuracy, firstly, a flat surveying and mapping point is selected, then, each group of supporting legs 2 are simultaneously rotated, extended and expanded, when the supporting legs 2 are rotated and expanded, the telescopic adjusting columns 42 can be driven to extend out from the fixed columns 41, the supporting legs 2 are rotated and expanded to a proper angle, the extending lengths of the telescopic adjusting columns 42 are checked through the surfaces of the telescopic adjusting columns 42 and the scales at the outlets of the fixed columns 41, the extending lengths of each group of telescopic adjusting columns 42 are finely adjusted until the extending lengths of each group of telescopic adjusting columns 42 are kept the same, then, the fixing bolts 44 are screwed, so that the fixing bolts 44 deeply penetrate into the fixed columns 41 and are tightly abutted against the telescopic adjusting columns 42, the fixing of the telescopic adjusting columns 42 is realized, and the intervals between each group of fixing sleeves 31 and the leveling mechanisms 4 are equal, therefore, the tops of the fixed column 41 and the leveling mechanism 4 are in parallel with the bottom of the surveying device 1 in the horizontal direction, the included angle between each group of supporting legs 2 and the center of the bottom of the surveying device 1 is consistent, a group of regular triangle structures are formed between the bottoms of each group of supporting legs 2, compared with the irregular triangle structures, the stability is higher, then the supporting legs 2 are placed at the surveying and mapping position, whether the position of the air bubble in the horizontal bubble 45 is in the center is observed after the supporting legs are stably erected, the extending length of the telescopic legs 3 is further adjusted to adapt to uneven ground, the horizontal bubble 45 is observed until each group of horizontal bubbles 45 are in the horizontal state, the horizontal bubble 45 is horizontal, namely, the leveling mechanism 4 is also in the horizontal state, further, the surveying and mapping mechanism 4 is parallel to the surveying and mapping device 1 in the horizontal direction, at the moment, the surveying and mapping device 1 is also in the horizontal state, so that the surveying and mapping device 1 can realize the rapid leveling operation of the whole surveying and mapping device 1 before the surveying and mapping device 1 are put into operation, when surveying and mapping at 1 start of mapping device, only need the fine setting can realize the leveling, improve the efficiency of survey and drawing leveling operation greatly, leveling mechanism 4 can realize spacing and fixed to supporting leg 2 through fixed column 41, flexible regulation post 42, fixed hinge 43 and fixed sleeve 31 simultaneously, prevents that the extension angle of supporting leg 2 from changing and rocking, has guaranteed the steady operation of surveying instrument.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bottom levelling device of surveying instrument, its characterized in that, includes mapping device (1) and levelling mechanism (4), there is supporting leg (2) bottom of mapping device (1) through hinge fixed mounting, the bottom of supporting leg (2) is provided with fixed sleeve (31), flexible leg (3) have been cup jointed in the spacing activity of center department of fixed sleeve (31), the lateral wall fixed mounting of levelling mechanism (4) has fixed column (41), the inside spacing activity of fixed column (41) has been cup jointed flexible regulation post (42), the end rotation of flexible regulation post (42) is connected with fixed hinge (43), the other end and the fixed sleeve (31) looks fixed connection of fixed hinge (43), the lateral wall of fixed column (41) is provided with fixing bolt (44).

2. The bottom leveling device of a surveying instrument according to claim 1, characterized in that the contact portion of the side wall of the telescopic adjusting post (42) and the fixed post (41) is kept fit.

3. Bottom levelling device for surveying instruments according to claim 1, characterized in that the outer side wall of the telescopic adjusting post (42) is provided with a scale groove.

4. Bottom levelling device for a surveying instrument according to claim 1, characterized in that the levelling means (4) is of annular structural design.

5. The bottom leveling device of the surveying instrument according to claim 1, wherein the contact portion of the fixing bolt (44) and the fixing column (41) is designed with an external thread, and the contact portion of the fixing column (41) and the fixing bolt (44) is provided with a matched thread groove, and the fixing bolt (44) and the fixing column (41) are connected by a thread.

6. Bottom levelling device for a surveying instrument according to claim 1 characterized in that a level bulb (45) is fixedly mounted on top of each set of the fixing posts (41).