CN107389025B - Theodolite rack - Google Patents
Theodolite rack Download PDFInfo
- Publication number
- CN107389025B CN107389025B CN201710760037.8A CN201710760037A CN107389025B CN 107389025 B CN107389025 B CN 107389025B CN 201710760037 A CN201710760037 A CN 201710760037A CN 107389025 B CN107389025 B CN 107389025B
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- Prior art keywords
- balance
- rack
- ring
- theodolite
- hole
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
- G01C1/02—Theodolites
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a theodolite rack, which is characterized in that a balance rack is roughly placed at a centering position, laser is turned on, balance rings are slid, support legs are held by two hands, a straight line emitted by a laser lamp is centered with a centering point, and after centering is completed, a jack bolt is screwed to realize positioning of the balance rack. And installing a theodolite, and carrying out fine centering and leveling through the theodolite. The structure enables rough centering and leveling to be an integral step, and leveling is completed simultaneously when centering is completed. The invention is convenient for rough centering and leveling of the theodolite, reduces errors and reduces the steps of centering and leveling.
Description
Technical Field
The invention relates to a theodolite bench.
Background
The theodolite is the instrument of measuring horizontal angle and vertical angle, the theodolite needs to carry out thick centering and thick flattening with the help of the instrument earlier when using, then carry out thin centering and thin flattening through the theodolite, current thick centering and thick flattening's mode is generally realized through adjusting the theodolite rack, at present, the well-known theodolite rack comprises tripod and platform two parts, need adjust three stabilizer blades and carry out thick centering, flattening when using, and current theodolite rack is in thick centering, the mutual influence of flattening, cause and repeated centering, flattening, the step is loaded down with trivial details, the error is great, it is thus visible that this kind of centering, flattening mode is not practical.
Disclosure of Invention
Aiming at the defects, the invention provides the theodolite rack which is convenient for rough centering and leveling of the theodolite and reduces errors.
In order to solve the technical problems, the invention comprises three support legs and a main body rack supported by the three support legs, and is characterized in that: the middle part of main part rack is equipped with the through-hole, the through-hole swivelling joint has the balance rack, and the balance rack is hollow structure, and the ring is equipped with the counter weight ring on the inner wall of balance rack lower part, and the central line of counter weight ring is on same straight line with the central line of balance rack, be equipped with centering device on the inner wall of counter weight ring, the surface rotation of balance rack lower part is connected with the balance ring.
The balancing stand is characterized in that a spherical protruding portion is arranged on the middle portion of the balancing stand in an annular mode, an annular groove is formed in the inner wall of the through hole in an annular mode, a connecting ring is arranged in the annular groove, a plurality of rotating cavities are uniformly distributed on the connecting ring, rolling balls are connected in each rotating cavity in a rotating mode, the side portions of each rolling ball extend out of the rotating cavities and are in contact with the side faces of the spherical protruding portion, and the circle center of the spherical protruding portion is higher than that of the connecting ring.
The inner wall of the through hole is provided with a first groove in a ring mode, the middle of the balance rack is provided with a second groove corresponding to the first groove in a ring mode, and a plurality of rolling balls are connected between the first groove and the second groove in a rotating mode.
The inner wall of through-hole is gone up to encircle and is equipped with first recess, the middle part ring of balanced rack is equipped with the second recess that corresponds with first recess, is equipped with the go-between first recess and the second recess, the equipartition has a plurality of chambeies that change on the go-between, and every changes the intracavity and all rotates to be connected with the spin, and the lateral part of every spin all stretches out and changes the chamber and rotate to connect between first recess and second recess.
The inner wall of the through hole is annularly provided with a plurality of first rotating grooves which are arranged at intervals, the middle part of the balancing stand is annularly provided with a plurality of second rotating grooves which are arranged at intervals and correspond to the first rotating grooves, and rolling balls are respectively and rotatably connected between the two corresponding first rotating grooves and the second rotating grooves.
The diameter of the balance stand gradually becomes smaller from top to bottom, and the aperture of the through hole gradually becomes smaller from top to bottom; the upper surface of balance rack is equipped with the mounting hole, the bellied lower part of sphere is equipped with the fretwork area.
The lateral part of main part rack is equipped with balanced rack complex jack-up bolt.
The centering device is a laser lamp arranged on the inner wall of the counterweight ring.
The outer surface ring of balance rack lower part is equipped with the slide, be equipped with on the inner circumference face of balance ring with slide complex slider, the central line of balance ring and the central line of balance rack are on same straight line.
Each supporting leg comprises a guide rail rod and a sliding rod which is connected to the guide rail rod in a sliding mode, a jacking pin matched with the guide rail rod is arranged on the side portion of the sliding rod, and a connecting rod is arranged between every two adjacent supporting legs.
The advantage effect after adopting above-mentioned scheme is: and (3) roughly placing the balance rack at a centering position, opening laser, sliding the balance ring, holding the supporting legs by two hands, centering the straight line emitted by the laser lamp and the centering point, and screwing the jacking bolt after centering is finished to realize positioning of the balance rack. And installing a theodolite, and carrying out fine centering and leveling through the theodolite. The structure enables rough centering and leveling to be an integral step, and leveling is completed simultaneously when centering is completed.
In summary, the method is convenient for rough centering and leveling of the theodolite, reduces errors, and reduces the steps of centering and leveling.
Drawings
The following detailed description of specific embodiments of the invention refers to the accompanying drawings, which illustrate in further detail:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a structure of the body gantry;
FIG. 3 is another structural schematic view of the body gantry;
FIG. 4 is a top view of the balancing stand;
FIG. 5 is a schematic structural view of a connecting ring;
FIG. 6 is a schematic view of a construction of the balancing stand;
FIG. 7 is a schematic view of another construction of the balancing stand;
fig. 8 is a third structural schematic diagram of the balance stand.
Detailed Description
As shown in fig. 1-2, the theodolite stand comprises three support legs 1 and a main body stand 5 supported by the three support legs 1, in this embodiment, each support leg 1 comprises a guide rail rod 11 and a slide rod 12 slidably connected to the guide rail rod 11, a pushing pin 13 matched with the guide rail rod 11 is arranged at the side part of the slide rod 12, the position of the slide rod 12 on the guide rail rod 11 can be adjusted by sliding the slide rod 12, and the slide rod 12 is fixed by the pushing pin 13, so that the height of the main body stand 5 can be adjusted. In addition, the lower surface of the main body rack 5 is provided with three grooves in a ring, three slide bars 12 are correspondingly hinged in the grooves, hinge holes are formed in the grooves in the embodiment, the end parts of the slide bars 12 are provided with hinge shafts matched with the hinge holes, locking nuts are screwed on the hinge shafts, the support angles of the support legs 1 are adjusted, and the support angles of the support legs 1 are fixed through the locking nuts. In this embodiment, the lower end of each guide rail 11 is provided with a sharp corner, and the sharp corner can be inserted into the ground to fix the support legs 1. The connecting rods 14 are arranged between two adjacent support legs 1, after the supporting angles of the support legs 1 are adjusted, the connecting rods 14 are fixed on the side parts of the support legs 1 through bolts, the supporting strength of the connecting rods 14 can be increased, and the supporting stability of the support legs 1 is improved.
As shown in fig. 1, a through hole 51 is provided in the middle of the main body stand 5, a balance stand 8 is rotatably connected to the through hole 51, a mounting hole 85 is provided on the upper surface of the balance stand 8, and a theodolite is fixed in the mounting hole 85 by a bolt. The following four mounting modes of the balancing stand 8 are adopted in the present embodiment: as shown in fig. 5 and 8, in the first installation mode, a spherical protruding portion 80 is annularly arranged in the middle of the balancing stand 8, a ring groove is annularly arranged on the inner wall of the through hole 51, a connecting ring 9 is arranged in the ring groove, a plurality of rotating cavities 91 are uniformly distributed on the connecting ring 9, rolling balls 53 are rotationally connected in each rotating cavity 91, the side portion of each rolling ball 53 extends out of the rotating cavity 91 and contacts with the side face of the spherical protruding portion 80, the circle center of the spherical protruding portion 80 is higher than that of the connecting ring 9, the connecting ring 9 can support the protruding portion 80 through the structure, and the balancing stand 8 can swing at multiple angles in the through hole 51. The side parts of the main body rack 5 in the above four installation modes are all provided with the jacking bolts 7 matched with the balance rack 8, and the balance rack 8 can be positioned through the jacking bolts 7 after being adjusted. As shown in fig. 2 and 7, in the second installation mode, a first groove 52 is formed on the inner wall of the through hole 51 in a ring manner, a second groove 84 corresponding to the first groove 52 is formed on the middle part of the balance stand 8 in a ring manner, a plurality of rolling balls 53 are rotationally connected between the first groove 52 and the second groove 84, one part of the rolling balls 53 are rotationally connected in the first groove 52, and the other part of the rolling balls 53 are rotationally connected in the second groove 84, so that the connection between the balance stand 8 and the main stand 5 can be realized, and the swing of the balance stand 8 in the through hole 51 can be realized; as shown in fig. 2 and 5, in the third installation mode, a first groove 52 is annularly arranged on the inner wall of the through hole 51, a second groove 84 corresponding to the first groove 52 is annularly arranged in the middle of the balancing stand 8, a connecting ring 9 is arranged between the first groove 52 and the second groove 84, a plurality of rotating cavities 91 are uniformly distributed on the connecting ring 9, a rolling ball 53 is rotatably connected in each rotating cavity 91, the side part of each rolling ball 53 extends out of the rotating cavity 91 and is rotatably connected between the first groove 52 and the second groove 84, the rotating cavity 91, the first groove 52 and the second groove 84 form a space for the rolling ball 53 to rotate, and meanwhile, the rolling ball 53 connects the balancing stand 8 on the main stand 5, so that the balancing stand 8 can swing in the through hole 51; as shown in fig. 3 and 6, in the fourth installation mode, a plurality of first rotating grooves 54 are annularly arranged on the inner wall of the through hole 51 at intervals, a plurality of second rotating grooves 87 are annularly arranged in the middle of the balance rack 8 at intervals and correspond to the first rotating grooves 54, rolling balls 53 are rotatably connected between the corresponding two first rotating grooves 54 and the corresponding second rotating grooves 87, one part of the rolling balls 53 are rotatably connected in the first rotating grooves 54, the other part of the rolling balls 53 are rotatably connected in the second rotating grooves 87, and the moving positions of the rolling balls 53 can be avoided by the rotation mode, so that the connection between the balance rack 8 and the main rack 5 is realized, and the balance rack 8 swings in the through hole 51.
As shown in fig. 1, the lower part of the balancing stand 8 is opened, a weight ring 82 is arranged on the inner wall of the opening in a ring mode, the center line of the weight ring 82 and the center line of the balancing stand 8 are on the same straight line, and a centering device is arranged on the inner wall of the weight ring 82. As shown in fig. 1, the centering device in this embodiment includes a laser lamp 83 disposed on the inner wall of the weight ring 82, and the specific structure of the laser lamp 83 is the prior art and will not be described herein. In this embodiment, the laser lamp 83 is adhered to the inner wall of the counterweight ring 82, and the light emitted by the laser lamp 83 has a certain deviation from the center line of the balancing stand 8, so that the purpose of coarse centering can be achieved by this arrangement mode. In this embodiment, the diameter of the balancing stand 8 gradually decreases from top to bottom, and the aperture of the through hole 51 gradually decreases from top to bottom, so that the balancing stand 8 can maintain balance. As shown in fig. 6 and 7, the lower part of the balancing stand 8 is provided with a hollowed-out area 88, and the hollowed-out area 88 can improve the brightness inside the balancing stand 8 and reduce the weight of the balancing stand 8. In addition, other structures can be adopted to improve the brightness of the inside of the balance rack 8, for example, three connecting plates arranged at intervals can be arranged at the lower part of the balance rack 8, a light-transmitting gap exists between two adjacent connecting plates, the counterweight ring 82 is fixedly connected on the inner walls of the three connecting plates, so that the brightness of the inside of the balance rack 8 can be improved, and the weight of the balance rack 8 is reduced.
As shown in fig. 1 and fig. 6-8, the outer surface of the lower part of the balancing stand 8 is rotatably connected with a balancing ring 90, in this embodiment, a slide way 89 is annularly arranged on the outer surface of the lower part of the balancing stand 8, a slide block matched with the slide way 89 is arranged on the inner circumferential surface of the balancing ring 90, the matching relationship between the slide block and the slide way 89 is that in the prior art, the slide block is slidably connected on the slide way 89, the balancing stand 90 can be rotated, the center line of the balancing ring 90 and the center line of the balancing stand 8 are in the same straight line, the balancing ring 90 with the structure can play a role of counterweight, and in the use process, the balancing stand 8 can be rotated by stirring the balancing ring 90, so that the verticality of the balancing stand 8 can be improved.
The using process comprises the following steps: the balance rack 8 is roughly placed at the centering position, the laser lamp 83 is turned on, the balance ring 90 is slid, the support legs 1 are held by two hands, the straight line emitted by the laser lamp 83 is centered with the centering point, and after centering is completed, the positioning of the balance rack 8 is realized by screwing the jacking bolts. And installing a theodolite, and carrying out fine centering and leveling through the theodolite. The structure enables rough centering and leveling to be an integral step, and leveling is completed simultaneously when centering is completed.
The present invention is not limited to the above-described embodiments, and those skilled in the art can make several changes and modifications without departing from the spirit and scope of the present invention.
Claims (8)
1. The theodolite bench comprises three supporting legs (1) and a main body bench (5) supported by the three supporting legs (1), and is characterized in that: the middle part of the main body rack (5) is provided with a through hole (51), the through hole (51) is rotationally connected with a balance rack (8), the balance rack (8) is of a hollow structure, a balance weight ring (82) is arranged on the inner wall of the lower part of the balance rack (8) in a ring mode, the center line of the balance weight ring (82) and the center line of the balance rack (8) are on the same straight line, a centering device is arranged on the inner wall of the balance weight ring (82), and the outer surface of the lower part of the balance rack (8) is rotationally connected with a balance ring (90);
the middle part of the balancing stand (8) is annularly provided with a spherical protruding part (80), an annular groove is annularly arranged on the inner wall of the through hole (51), a connecting ring (9) is arranged in the annular groove, a plurality of rotating cavities (91) are uniformly distributed on the connecting ring (9), rolling balls (53) are rotationally connected in each rotating cavity (91), the side part of each rolling ball (53) extends out of the rotating cavity (91) and is contacted with the side surface of the spherical protruding part (80), and the circle center of the spherical protruding part (80) is higher than that of the connecting ring (9);
the inner wall of the through hole (51) is provided with a first groove (52) in a surrounding mode, the middle of the balance rack (8) is provided with a second groove (84) corresponding to the first groove (52) in a surrounding mode, and a plurality of rolling balls (53) are connected between the first groove (52) and the second groove (84) in a rotating mode.
2. A theodolite stage according to claim 1, wherein: the inner wall of through-hole (51) is gone up to encircle and is equipped with first recess (52), the middle part ring of balanced rack (8) is equipped with second recess (84) that correspond with first recess (52), is equipped with go-between (9) between first recess (52) and second recess (84), the equipartition has a plurality of commentaries on classics chambeies (91) on go-between (9), all rotates in every commentaries on classics chambeies chamber (91) and is connected with spin (53), and the lateral part of every spin (53) all stretches out commentaries on classics chamber (91) and rotates and connect between first recess (52) and second recess (84).
3. A theodolite stage according to claim 1, wherein: the inner wall of the through hole (51) is annularly provided with a plurality of first rotating grooves (54) which are arranged at intervals, the middle part of the balance rack (8) is annularly provided with a plurality of second rotating grooves (87) which are arranged at intervals and correspond to the first rotating grooves (54), and rolling balls (53) are rotationally connected between the corresponding two first rotating grooves (54) and the corresponding second rotating grooves (87).
4. A theodolite stage according to any one of claims 1-3, wherein: the diameter of the balance rack (8) gradually decreases from top to bottom, and the aperture of the through hole (51) gradually decreases from top to bottom; the upper surface of balance rack (8) is equipped with mounting hole (85), the lower part of balance rack (8) is equipped with fretwork district (88).
5. A theodolite stage according to claim 4, wherein: the side part of the main body rack (5) is provided with a jacking bolt (7) matched with the balance rack (8).
6. A theodolite stage according to claim 5, wherein: the centering device is a laser lamp (83) arranged on the inner wall of the counterweight ring (82).
7. A theodolite stage according to claim 6, wherein: the outer surface ring of balance rack (8) lower part is equipped with slide (89), be equipped with on the inner circumference face of balance ring (90) with slide (89) complex slider, the central line of balance ring (90) is on same straight line with the central line of balance rack (8).
8. A theodolite stage according to claim 7, wherein: each supporting leg (1) comprises a guide rail rod (11) and a sliding rod (12) which is connected to the guide rail rod (11) in a sliding mode, a jacking pin (13) matched with the guide rail rod (11) is arranged on the side portion of the sliding rod (12), and a connecting rod (14) is arranged between every two adjacent supporting legs (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710760037.8A CN107389025B (en) | 2017-08-30 | 2017-08-30 | Theodolite rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710760037.8A CN107389025B (en) | 2017-08-30 | 2017-08-30 | Theodolite rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107389025A CN107389025A (en) | 2017-11-24 |
| CN107389025B true CN107389025B (en) | 2023-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710760037.8A Active CN107389025B (en) | 2017-08-30 | 2017-08-30 | Theodolite rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107389025B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202442701U (en) * | 2012-03-06 | 2012-09-19 | 王文波 | Theodolite tripod |
| CN205664812U (en) * | 2016-05-31 | 2016-10-26 | 南京江源测绘有限公司 | Theodolite support frame |
| CN106949909A (en) * | 2017-04-20 | 2017-07-14 | 上海市计量测试技术研究院 | A kind of gyro calibiatio i system and method based on astronomical azimuth |
| CN207317786U (en) * | 2017-08-30 | 2018-05-04 | 国网山东省电力公司昌乐县供电公司 | Theodolite rack |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7685725B2 (en) * | 2007-11-02 | 2010-03-30 | Raytheon Company | Apparatus and method for theodolite support |
-
2017
- 2017-08-30 CN CN201710760037.8A patent/CN107389025B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202442701U (en) * | 2012-03-06 | 2012-09-19 | 王文波 | Theodolite tripod |
| CN205664812U (en) * | 2016-05-31 | 2016-10-26 | 南京江源测绘有限公司 | Theodolite support frame |
| CN106949909A (en) * | 2017-04-20 | 2017-07-14 | 上海市计量测试技术研究院 | A kind of gyro calibiatio i system and method based on astronomical azimuth |
| CN207317786U (en) * | 2017-08-30 | 2018-05-04 | 国网山东省电力公司昌乐县供电公司 | Theodolite rack |
Non-Patent Citations (1)
| Title |
|---|
| 宁金忠 ; 李灿.经纬仪安置在多齿分度台上的整平方法.计量技术.1999,(第006期),全文. * |
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| CN107389025A (en) | 2017-11-24 |
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