CN220016866U

CN220016866U - Adjustable theodolite

Info

Publication number: CN220016866U
Application number: CN202320518468.4U
Authority: CN
Inventors: 杨建春; 周翠; 陈德钱
Original assignee: Jiangxi Yongyang Construction Engineering Co ltd
Current assignee: Jiangxi Yongyang Construction Engineering Co ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-11-14
Anticipated expiration: 2033-03-16

Abstract

The utility model discloses an adjustable theodolite, comprising: the leveling base is of a cylindrical shell structure with an opening at the top, three connecting sleeves are hinged to the side wall of the leveling base at equal intervals along the circumferential direction, the three connecting sleeves are respectively connected with a telescopic bracket downwards, a circular ring placing plate is arranged in the leveling base along the circumferential direction, a plurality of placing grooves are uniformly formed in the upper side of the circular ring placing plate, rotating balls are arranged in the placing grooves in a matched mode, weight balls with light bottoms and heavy tops are arranged on the rotating balls, a connecting plate is arranged at the top of the weight balls, a rotating assembly is arranged at the top of the connecting plate, an instrument placing base is arranged at the top of the rotating assembly, and an instrument mounting plate is arranged at the top of the instrument placing base; the telescopic bracket comprises a fixed shell which is connected with the bottom of the connecting sleeve through threads, a telescopic rod is arranged in the fixed shell in a sliding mode, a limiting head is arranged at the bottom of the telescopic rod, a plurality of fixing holes are uniformly formed in the side wall of the telescopic rod, and a fixing assembly used for fixing the telescopic rod is arranged on the side wall of the fixed shell.

Description

Adjustable theodolite

Technical Field

The utility model relates to the technical field of surveying and mapping auxiliary equipment, in particular to an adjustable theodolite.

Background

The theodolite is a measuring instrument designed according to the angle measurement principle and used for measuring horizontal angles and vertical angles, and is divided into an optical theodolite and an electronic theodolite; the measuring instrument used in civil engineering measurement at present is mainly an optical theodolite; the theodolite usually needs to adopt a tripod as a support when mapping work is completed, but the existing theodolite support tripod is inconvenient in that the adjusting nuts are adjusted one by one when the length of the existing theodolite support tripod is adjusted, so that the leveling time is long, the efficiency is low, and the operation is quite inconvenient; moreover, most of the existing theodolites can not be quickly and automatically leveled when being used on complex terrains, and inclination is easy to occur, so that measurement data are inaccurate.

The adjusting bracket for the theodolite has the advantages that the adjusting bracket for the theodolite can be used for adjusting the supporting rod according to the demands of staff, however, when the height is adjusted, the locking bolts are required to be screwed out one by one, then the sliding sections are moved, and then the locking bolts are screwed in for fixing, the adjusting time is long, the inconvenience is caused, errors are easy to occur in manual adjustment and movement of the three sliding sections, the supporting unevenness is caused, and the automatic leveling cannot be realized, so that the working efficiency and the data accuracy are affected; in addition, this theodolite support bottom sets up the universal castor, can not stably place when carrying out survey and drawing work in uneven topography or mountain body department, and the practicality is relatively poor.

Disclosure of Invention

In order to solve the problems that the existing theodolite is inconvenient and inaccurate in height adjustment, cannot be automatically leveled to adapt to different terrains and the like, the utility model provides an adjustable theodolite which is different from the prior art, the height adjustment is simple, convenient and accurate, the adjustable theodolite can be suitable for complex terrains, can be automatically leveled, can be adaptive to different specifications of theodolites, and has good practicability.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: an adjustable theodolite comprising:

the leveling base is of a cylindrical shell structure with an opening at the top, three connecting sleeves are hinged to the side wall of the leveling base at equal intervals along the circumferential direction, the three connecting sleeves are respectively connected with a telescopic bracket downwards, a circular ring placing plate is arranged in the leveling base along the circumferential direction, a plurality of placing grooves are uniformly formed in the upper side of the circular ring placing plate, rotating balls are arranged in the placing grooves in a matched mode, weight balls with light bottoms and heavy tops are arranged on the rotating balls, a connecting plate is arranged at the top of the weight balls, a rotating assembly is arranged at the top of the connecting plate, an instrument placing base is arranged at the top of the rotating assembly, and an instrument mounting plate is arranged at the top of the instrument placing base;

the telescopic bracket comprises a fixed shell which is connected with the bottom of the connecting sleeve through threads, a telescopic rod is arranged in the fixed shell in a sliding mode, a limiting head is arranged at the bottom of the telescopic rod, a plurality of fixing holes are uniformly formed in the side wall of the telescopic rod, and a fixing assembly used for fixing the telescopic rod is arranged on the side wall of the fixed shell.

Further, rotating assembly is including rotating the dwang of connecting at the connecting plate top, and dwang top and instrument place a fixed connection, and the locating sleeve has been cup jointed to the dwang outside, and the locating sleeve outside evenly is equipped with a plurality of spacing hole, and connecting plate top just is located locating sleeve one side and is equipped with the bolt seat, is equipped with on the bolt seat with spacing hole matched with fixing bolt.

Further, the fixed subassembly is equipped with the inserted bar including installing the shell at the shell lateral wall, the installation shell is slided and is equipped with the sliding plate, the one side that the sliding plate is close to the shell is equipped with the inserted bar, the inserted bar slides and stretches into in the shell and cooperate with the fixed orifices, the sliding plate opposite side is equipped with the regulation pole, the regulation pole slides and stretches out the shell of installing and be connected with the pull rod, the sliding plate is close to the lateral wall of pull rod and is located and all is connected with the spring between both sides and the installation shell inner wall of adjusting the pole.

Further, the height of the leveling base is higher than the radius of the counterweight ball.

Further, the ring placement plate is inclined to the inside of the leveling level seat.

Furthermore, two groups of mounting holes for mounting theodolites are penetrated and arranged on the instrument mounting plate.

Compared with the prior art, the utility model has the advantages that: according to the adjustable theodolite, the instrument mounting plate is arranged, and two groups of mounting holes are formed, so that the adjustable theodolite can adapt to theodolites with various sizes; the rotating rod is rotatably connected with the connecting plate and is matched with the limiting component, so that the rotating rod can easily rotate in direction and is stably limited; the balance weight ball which is arranged to be light and sunken is matched with the rotating ball, so that the theodolite can be maintained in a horizontal state by itself, and the limit head is arranged to adapt to any complex terrain; the fixing component is arranged, the limiting of the telescopic rod can be relieved by pulling the pull rod, the length adjustment is performed, the operation is convenient and fast, and the practicability is high.

Drawings

FIG. 1 is a side view of an adjustable theodolite of the present utility model;

FIG. 2 is a diagram of the internal construction of a leveling base of an adjustable theodolite according to the present utility model;

FIG. 3 is a schematic illustration of a fixture assembly of an adjustable theodolite according to the present utility model;

FIG. 4 is a schematic view of a rotating assembly of an adjustable theodolite according to the present utility model.

Reference numeral control table:

1. leveling the leveling base; 2. a telescopic bracket; 3. a connecting plate; 4. a rotating assembly; 5. an instrument placement seat; 6. a fixing assembly; 101. connecting sleeves; 102. a circular ring placing plate; 103. a rotating ball; 104. a weight ball; 201. a fixed case; 202. a telescopic rod; 203. a positioning head; 204. a fixing hole; 401. a rotating lever; 402. a limit sleeve; 403. a limiting hole; 404. a bolt seat; 405. a fixing bolt; 501. an instrument mounting plate; 502. a mounting hole; 601. a mounting shell; 602. a sliding plate; 603. a rod; 604. an adjusting rod; 605. a pull rod; 606. and (3) a spring.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In addition, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.

The present utility model will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 4, an adjustable theodolite comprising:

the leveling base 1 is of a cylindrical shell structure with an opening at the top, three connecting sleeves 101 are hinged to the side wall of the leveling base 1 at equal intervals along the circumferential direction, the three connecting sleeves 101 are respectively connected with a telescopic bracket 2 downwards, a circular ring placement plate 102 is arranged in the leveling base 1 along the circumferential direction, a plurality of placement grooves are uniformly formed in the upper side of the circular ring placement plate 102, a rotating ball 103 is arranged in the placement grooves in a matched rotation mode, a weight ball 104 with a light bottom and a heavy top is placed on the rotating ball 103, the leveling base 1 is higher than the radius of the weight ball 104 in height, the circular ring placement plate 102 inclines towards the inside of the leveling base 1, a connecting plate 3 is arranged at the top of the weight ball 104, a rotating component 4 is arranged at the top of the connecting plate 3, an instrument placement base 5 is arranged at the top of the rotating component 4, an instrument placement base 501 is arranged at the top of the instrument placement base 5, two groups of mounting holes 502 for mounting theodolites are formed in a penetrating way on the instrument mounting plate 501, the two groups of theodolites can be mounted according to different sizes of the theodolites, the weight ball 104 is influenced by gravity due to the light and the heavy structure, the rotating ball 103 can automatically rotate under the action of gravity, so that the instrument placement base 5 keeps a horizontal state;

the telescopic bracket 2 comprises a fixed shell 201 which is connected to the bottom of the connecting sleeve 101 through threads, a telescopic rod 202 is arranged in the fixed shell 201 in a sliding manner, a limiting head 203 is arranged at the bottom of the telescopic rod 202, a plurality of fixed holes 204 are uniformly formed in the side wall of the telescopic rod 202, and a fixed assembly 6 for fixing the telescopic rod 202 is arranged on the side wall of the fixed shell 201;

the rotating assembly 4 comprises a rotating rod 401 which is rotationally connected to the top of the connecting plate 3, the top end of the rotating rod 401 is fixedly connected with the instrument placement seat 5, a limiting sleeve 402 is sleeved outside the rotating rod 401, a plurality of limiting holes 403 are uniformly formed in the outer side of the limiting sleeve 402, a bolt seat 404 is arranged on the top of the connecting plate 3 and positioned on one side of the limiting sleeve 402, a fixing bolt 405 matched with the limiting holes 403 is arranged on the bolt seat 404, when the rotating direction is needed, the instrument placement seat 5 is directly rotated manually, the rotating rod 401 is enabled to rotate on the connecting plate 3, and when the rotating rod rotates to a needed position, the fixing bolt 405 is screwed into the corresponding limiting hole 403 to be fixed in a limiting manner;

the fixed assembly 6 comprises a mounting shell 601 arranged on the outer side wall of the fixing shell 201, a sliding plate 602 is arranged in the mounting shell 601 in a sliding manner, a plug rod 603 is arranged on one side, close to the fixing shell 201, of the sliding plate 602, the plug rod 603 extends into the fixing shell 201 in a sliding manner and is matched with the fixing hole 204, an adjusting rod 604 is arranged on the other side of the sliding plate 602, the adjusting rod 604 extends out of the mounting shell 601 in a sliding manner and is connected with a pull rod 605, the sliding plate 602 is close to one side wall of the pull rod 605 and is positioned between two sides of the adjusting rod 604 and the inner wall of the mounting shell, a spring 606 is connected between the two sides of the adjusting rod 604 and the inner wall of the mounting shell, the pull rod 605 is pulled to enable the adjusting rod 604 to drive the sliding plate 602 to move outwards, so that the plug rod 603 moves outwards out of the fixing hole 204 and does not limit the telescopic rod 202 any more, then the pull rod 605 is released after the telescopic rod 202 is moved to a required position, and the spring 606 is compressed and the resilient force enables the plug rod 603 to be inserted inwards into the corresponding fixing hole 204 to limit the telescopic rod 202.

The utility model is implemented in particular:

firstly, adjusting the telescopic bracket 2 according to the height requirement, enabling the telescopic rods 202 to extend out or retract into the fixed shell 201 to adjust the length, pulling the pull rod 605 to enable the adjusting rods 604 to drive the sliding plates 602 to move outwards so as to enable the inserting rods 603 to move outwards out of the fixed holes 204 and not limit the telescopic rods 202 any more, then loosening the pull rod 605 after the movable telescopic rods 202 reach the required position, enabling the sliding plates 602 to drive the inserting rods 603 to insert inwards into the corresponding fixed holes 204 by compression rebound force of the springs 606 so as to limit the telescopic rods 202, and after the three telescopic rods 202 are adjusted, rotating the three connecting sleeves 101 to a proper angle to support stably, and if an uneven land hillside or the like is met, inserting the limiting heads 203 into the ground to fix;

after the adjustment, if the terrain is uneven or the telescopic lengths of the three telescopic rods 202 are error to cause deflection, the counterweight ball 104 is influenced by gravity due to the structure of light upper and sinking, and automatically rotates under the rotation action of the rotating ball 103, so that the instrument placement seat 5 is kept in a horizontal state;

at this time, the theodolite can be mounted on the instrument mounting plate 501, the horizontal measurement requirement of the instrument is guaranteed through bolt fixing, and two groups of mounting holes 502 are formed in the instrument mounting plate 501 and can be mounted according to different sizes of the theodolite;

when the rotation direction is needed, the instrument placement seat 5 is directly rotated manually, so that the rotating rod 401 rotates on the connecting plate 3, and the fixing bolts 405 are screwed into the corresponding limiting holes 403 to be limited and fixed when the rotating rod rotates to a required position.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, those skilled in the art, with consideration of the present disclosure, will be able to devise structural arrangements and embodiments which, although not explicitly described herein, embody the principles of the utility model.

Claims

1. An adjustable theodolite comprising: leveling level seat (1), its characterized in that: the leveling base (1) is of a cylindrical shell structure with an opening at the top, three connecting sleeves (101) are hinged to the side wall of the leveling base (1) at equal intervals along the circumferential direction, three connecting sleeves (101) are respectively connected with a telescopic bracket (2) downwards, a circular ring placing plate (102) is arranged in the leveling base (1) along the circumferential direction, a plurality of placing grooves are uniformly formed in the upper side of the circular ring placing plate (102), rotating balls (103) are arranged in the placing grooves in a matched mode, counter weight balls (104) with light bottoms and heavy tops are arranged on the rotating balls (103), connecting plates (3) are arranged at the tops of the counter weight balls (104), rotating assemblies (4) are arranged at the tops of the connecting plates (3), instrument placing bases (5) are arranged at the tops of the rotating assemblies (4), and instrument mounting plates (501) are arranged at the tops of the instrument placing bases (5);

the telescopic support (2) comprises a fixing shell (201) which is connected to the bottom of the connecting sleeve (101) through threads, a telescopic rod (202) is arranged in the fixing shell (201) in a sliding mode, a limiting head (203) is arranged at the bottom of the telescopic rod (202), a plurality of fixing holes (204) are uniformly formed in the side wall of the telescopic rod (202), and a fixing assembly (6) used for fixing the telescopic rod (202) is arranged on the side wall of the fixing shell (201).

2. An adjustable theodolite according to claim 1, wherein: the rotating assembly (4) comprises a rotating rod (401) which is rotationally connected to the top of the connecting plate (3), the top end of the rotating rod (401) is fixedly connected with the instrument placement seat (5), a limiting sleeve (402) is sleeved outside the rotating rod (401), a plurality of limiting holes (403) are uniformly formed in the outer side of the limiting sleeve (402), a bolt seat (404) is arranged on the top of the connecting plate (3) and located on one side of the limiting sleeve (402), and fixing bolts (405) matched with the limiting holes (403) are arranged on the bolt seat (404).

3. An adjustable theodolite according to claim 1, wherein: the fixed subassembly (6) is including installing install shell (601) of fixed casing (201) lateral wall, install shell (601) interior slip and be equipped with sliding plate (602), sliding plate (602) are close to one side of fixed casing (201) is equipped with inserted bar (603), inserted bar (603) slip stretch into in fixed casing (201) and with fixed orifices (204) cooperate, sliding plate (602) opposite side is equipped with adjusts pole (604), adjust pole (604) slip stretch out install shell (601) outside and be connected with pull rod (605), sliding plate (602) are close to one side wall of pull rod (605) just be located all be connected with spring (606) between adjusting pole (604) both sides with install shell inner wall.

4. An adjustable theodolite according to claim 1, wherein: the height of the leveling seat (1) is higher than the radius of the counterweight ball (104).

5. An adjustable theodolite according to claim 1, wherein: the ring placement plate (102) is inclined towards the inside of the leveling base (1).

6. An adjustable theodolite according to claim 1, wherein: two groups of mounting holes (502) for mounting theodolites are formed in the instrument mounting plate (501) in a penetrating mode.