CN213579298U - Theodolite for soft soil - Google Patents
Theodolite for soft soil Download PDFInfo
- Publication number
- CN213579298U CN213579298U CN202022479709.8U CN202022479709U CN213579298U CN 213579298 U CN213579298 U CN 213579298U CN 202022479709 U CN202022479709 U CN 202022479709U CN 213579298 U CN213579298 U CN 213579298U
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- theodolite
- supporting
- soft soil
- center
- adjusting
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Abstract
The utility model discloses a theodolite for soft soil property, include: a theodolite body; the theodolite body is connected to the upper part of the frame body; the support body includes: the theodolite body is connected to the upper part of the support body; the supporting legs comprise 3 supporting legs, the upper ends of the supporting legs are hinged to the supporting body, and the 3 supporting legs are uniformly distributed around the central axis of the supporting body; the area of the lower surface of the supporting plate is larger than that of the lower surface of the supporting leg, the upper part of the supporting plate is connected with the lower end of the supporting leg through a universal joint, and the lower surface of the supporting plate is provided with anti-skid nails. The lower ends of the supporting legs are relatively sharp, and when the supporting legs are placed on soft soil in the prior art, the area of the lower ends of the supporting legs is small, so that the pressure between the lower ends of the supporting legs and the ground is large, the supporting legs are prone to sinking into the ground due to gravity, and therefore the theodolite is prone to deflecting on the soft soil on the ground, and inaccurate measurement is achieved.
Description
Technical Field
The utility model relates to a surveying instrument technical field especially relates to a theodolite for soft soil property.
Background
The theodolite is the instrument that is used for the land survey and drawing must be equipped with, and the used supporting legs lower extreme of current theodolite is comparatively sharp-pointed, when placing the supporting legs on soft soil property, because supporting legs lower extreme area is less, consequently the pressure between supporting legs lower extreme and ground is great for the supporting legs is absorbed in ground because of gravity easily, thereby leads to the theodolite to incline at soft soil property subaerial easily, leads to measuring inaccurate.
Disclosure of Invention
In order to solve the defects and shortcomings of the prior art, the utility model aims to provide a theodolite for soft soil.
The technical scheme of the utility model is that: a theodolite for soft soil, comprising:
a theodolite body;
the theodolite body is connected to the upper part of the frame body;
the support body includes:
the theodolite body is connected to the upper part of the support body;
the supporting legs comprise 3 supporting legs, the upper ends of the supporting legs are hinged to the supporting body, and the 3 supporting legs are uniformly distributed around the central axis of the supporting body;
the area of the lower surface of the supporting plate is larger than that of the lower surface of the supporting leg, the upper part of the supporting plate is connected with the lower end of the supporting leg through a universal joint, and the lower surface of the supporting plate is provided with anti-skid nails.
Furthermore, the supporting legs are telescopic rods.
Further, the support body still includes:
the theodolite body is fixedly connected right above the adjusting ball;
the balancing weight is fixedly connected under the adjusting ball, the integral gravity center of the balancing weight and the theodolite body is positioned on a connecting line of the spherical center of the adjusting ball and the gravity center of the theodolite body, and the integral gravity center of the balancing weight and the theodolite body is positioned at the lower part of the spherical center of the adjusting ball;
the adjusting hole is arranged on the support body and is communicated up and down, the inner wall of the adjusting hole is a spherical surface matched with the adjusting ball, and the adjusting ball is rotatably arranged in the adjusting hole.
Furthermore, the adjusting ball is a permanent magnet, and the support body is made of metal.
Further, still include:
and the counterweight block is fixedly connected with the adjusting ball through the counterweight connecting rod.
Further, M1L 1> M2L 2, wherein M1 is the weight mass, L1 is the distance from the center of gravity of the weight to the center of the adjusting ball, M2 is the mass of the theodolite body, and L2 is the distance from the center of gravity of the theodolite body to the center of the adjusting ball.
Furthermore, the balancing weight is in an inverted cone shape, and the center of the bottom surface of the inverted cone shape is fixedly connected with the balancing weight connecting rod.
Further, still include:
the spirit level, spirit level fixed connection is on the theodolite body, and the level of spirit level is perpendicular with balancing weight focus and theodolite focus's line.
Further, still include:
the screwing screw hole is arranged at the side part of the support body and penetrates through the inner surface and the outer surface of the support body;
and the screwing bolt is matched with the screwing screw hole, the length of the screwing bolt is greater than that of the screwing screw hole, and the screwing bolt is in threaded connection with the screwing screw hole.
Furthermore, the end part of the screwing bolt is fixedly connected with a rubber pad.
The utility model has the advantages that: compared with the prior art, the method has the advantages that,
1) the utility model has the advantages that the surface area of the supporting plate is larger than the lower end area of the supporting leg, so that the pressure between the supporting plate and the ground is smaller than the pressure between the supporting leg and the ground, the supporting plate is more difficult to sink into the ground for soft soil, and the azimuth inclination of the theodolite body caused by the sinking of the supporting leg into the ground can be avoided when the device is placed on the supporting plate; in addition, the anti-skid nails are arranged on the lower surface of the supporting plate, so that the friction force between the supporting plate and the ground is larger, and the phenomenon that the theodolite body is inclined due to the fact that the angle between the supporting legs is increased due to the fact that the supporting plate slips between the supporting plate and the ground in the using process is avoided;
2) the utility model makes the height of the theodolite body adjustable by setting the supporting legs as telescopic rods, so as to meet the height requirement during measurement;
3) the utility model discloses a balancing weight makes the theodolite body and the focus of the totality of balancing weight lie in the line of adjusting the centre of sphere and theodolite body focus, and lie in and adjust the centre of sphere lower part, make under the action of gravity, balancing weight focus and theodolite body focus line are vertical all the time, thereby make the theodolite body obtain automatic leveling, compare prior art, the utility model discloses a mechanical mechanism utilizes gravity automatic leveling, need not manually, adjusts more simply, also need not to reply accurate circuit structure, and the requirement is lower to service environment, and is more durable;
4) the utility model discloses, through setting up the regulation ball as the permanent magnet, set up the supporter as the metal material, if the balancing weight swings in the adjustment process, can lead to the magnetic flux on the supporter to change, because lenz's law, the regulation ball can receive a reverse action's electromagnetic force to hinder its motion in adjusting the downthehole rotation, thus make the balancing weight swing stopped fast, make the leveling time shorter;
5) the utility model can adjust the gravity center of the balancing weight and the theodolite body lower through the counterweight connecting rod, so that the deviation caused by the gravity center deviation of the theodolite is reduced;
6) the utility model discloses a M1L 1> M2L 2, wherein M1 is the balancing weight quality, L1 is the distance of balancing weight focus to adjusting the ball center, M2 is theodolite body quality, L2 is the distance of theodolite body focus to adjusting the ball center, make the focus be located all the time under adjusting the ball center, make theodolite body focus and adjusting the line of ball focus to vertical state stability forever;
7) the utility model adopts the conical balancing weight, and because the top of the cone is provided with only one point, whether the balancing weight is vibrating or not can be easily judged by the relative motion of the reference object and the top of the cone;
8) the utility model can conveniently detect whether the theodolite body is leveled through the gradienter;
9) the utility model fixes the adjusting ball surface by the end of the rotating bolt through rotating the screwing bolt in the rotating screw hole, so that the position of the adjusting ball is fixed, and the theodolite body is prevented from being touched to change the position of the theodolite body and being not leveled any more in use;
10) the utility model discloses a bolt end fixed connection rubber pad of screwing for the frictional force increase between bolt of screwing and the adjusting ball makes the adjusting ball fixed more steady.
Drawings
Fig. 1 is a schematic perspective view of an embodiment 1 of the present invention;
FIG. 2 is a partial schematic view of FIG. 1 at A;
FIG. 3 is an exploded view of example 1 of the present invention;
FIG. 4 is a partial schematic view of FIG. 3 at B;
fig. 5 is a schematic perspective view of a support plate according to embodiment 1 of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
example 1: referring to fig. 1 to 5, a theodolite for soft soil includes: a theodolite body 1; the theodolite body 1 is connected to the upper part of the frame body 2; the support body includes: the theodolite body 1 is connected to the upper part of the support body 3; the supporting legs 2-1, the supporting legs 2-1 include 3, the upper end of the supporting leg 2-1 is hinged on the supporting body 3, 3 supporting legs 2-1 are evenly distributed around the central axis of the supporting body 3; the area of the lower surface of the supporting plate 2-2 is larger than that of the lower surface of the supporting foot 2-1, the upper portion of the supporting plate 2-2 is connected with the lower end of the supporting foot 2-1 through a universal joint 2-3, and the lower surface of the supporting plate 2-2 is provided with an anti-skid nail 2-2-1.
Further, the supporting feet 2-1 are telescopic rods.
Further, the frame body 2 further includes: the theodolite body 1 is welded and connected right above the adjusting ball 6; the balancing weight 4 is welded and connected under the adjusting ball 6, the integral gravity center of the balancing weight 4 and the theodolite body 1 is positioned on a connecting line of the spherical center of the adjusting ball 6 and the gravity center of the theodolite body 1, and the integral gravity center of the balancing weight 4 and the theodolite body 1 is positioned at the lower part of the spherical center of the adjusting ball 6; the adjustable support comprises an adjusting hole 3-1, the supporting body 3 is provided with the adjusting hole 3-1 which is communicated up and down, the inner wall of the adjusting hole 3-1 is a spherical surface matched with an adjusting ball 6, and the adjusting ball 6 is rotatably arranged in the adjusting hole 3-1.
Furthermore, the adjusting ball 6 is a permanent magnet, and the support body 3 is made of metal.
Further, still include: and the counterweight block 4 is connected with the adjusting ball 6 in a welding manner through the counterweight connecting rod 5.
Further, M1 × L1> M2 × L2, wherein M1 is the mass of the weight 4, L1 is the distance from the center of gravity of the weight 4 to the center of the adjusting ball 6, M2 is the mass of the theodolite body 1, and L2 is the distance from the center of gravity of the theodolite body 1 to the center of the adjusting ball 6.
Furthermore, the balancing weight 4 is in an inverted cone shape, and the center of the bottom surface of the inverted cone shape is connected with the balancing weight connecting rod 5 in a welding mode.
Further, still include: spirit level 7, 7 welded connection of spirit level is on theodolite body 1, and the level of spirit level 7 is perpendicular with the line of 4 centrobarics of balancing weight and theodolite focus.
Further, still include: screwing the screw hole 3-2, wherein the screw hole 3-2 starts to be arranged at the side part of the support body 3, and the screw hole 3-2 penetrates through the inner surface and the outer surface of the support body 3; the screwing bolt 8 is matched with the screwing screw hole 3-2, the length of the screwing bolt 8 is larger than that of the screwing screw hole 3-2, and the screwing bolt 8 is in threaded connection with the screwing screw hole 3-2.
Furthermore, a rubber gasket 8-1 is bonded at the end of the screwing bolt 8.
The utility model has the advantages that,
1) the utility model has the advantages that the surface area of the supporting plate 2-2 is larger than the surface area of the supporting foot 2-1 under the supporting plate 2-2, so that the pressure between the supporting plate 2-2 and the ground is smaller than the pressure between the supporting foot 2-1 and the ground, the supporting plate 2-2 is more difficult to sink into the ground for soft soil, and the azimuth inclination of the theodolite body 1 caused by the fact that the supporting foot 2-1 sinks into the ground can be avoided when the device is placed on the supporting plate; in addition, the anti-skid nails 2-2-1 are arranged on the lower surface of the supporting plate 2-2, so that the friction force between the supporting plate 2-2 and the ground is larger, and the phenomenon that the theodolite body 1 is inclined due to the increase of the angle between the supporting legs 2-1 caused by the skid between the supporting plate 2-2 and the ground in the use process is avoided;
2) the utility model adopts the supporting legs 2-1 as telescopic rods, so that the height of the theodolite body 1 can be adjusted to meet the height requirement during measurement;
3) the utility model discloses a balancing weight 4 makes the focus of theodolite body 1 and the totality of balancing weight 4 lie in the line of adjusting ball 6 centre of sphere and theodolite body 1 focus, and lie in adjusting ball 6 centre of sphere lower part, make under the action of gravity, balancing weight 4 centre of sphere and theodolite body 1 focus line is vertical all the time, thereby makes theodolite body 1 obtain automatic leveling, compares prior art, the utility model discloses a mechanical mechanism utilizes gravity automatic leveling, need not manually, adjusts more simply, also need not to compound accurate circuit structure, and is lower to the service environment requirement, more durable;
4) the utility model discloses a set up adjusting ball 6 as the permanent magnet, set up supporter 3 as the metal material, if balancing weight 4 swings in the adjustment process, can lead to the magnetic flux on supporter 3 to change, because lenz's law, adjusting ball 6 can receive a reverse action electromagnetic force to hinder its motion in adjusting hole 3-1 rotation, thereby makes balancing weight 4 swing stopped fast, makes the leveling time shorter;
5) the utility model can adjust the gravity center of the balancing weight 4 and the theodolite body 1 lower through the counterweight connecting rod 5, so that the deviation caused by the gravity center deviation of the theodolite is reduced;
6) the utility model discloses a M1L 1> M2L 2, wherein M1 is balancing weight 4 quality, L1 is the distance of balancing weight 4 focus to adjusting ball 6 center, M2 is theodolite body 1 quality, L2 is the distance of theodolite body 1 focus to adjusting ball 6 center, make the focus be located all the time under adjusting ball 6 center, make theodolite body 1 focus and adjusting ball 6 focus's line to vertical state stability forever;
7) the utility model adopts the conical shape as the balancing weight 4, and because the top of the cone is only provided with one point, whether the balancing weight 4 still vibrates can be easily judged by the relative movement of a reference object and the top of the cone;
8) the utility model can conveniently detect whether the theodolite body 1 is leveled through the level 7;
9) the utility model fixes the end of the rotating bolt to the surface of the adjusting ball 6 by rotating the screwing bolt 8 in the rotating screw hole, so that the position of the adjusting ball 6 is fixed, and the theodolite body 1 is prevented from being touched to change the position of the theodolite body 1 to be not horizontal in use;
10) the utility model discloses a fix connection rubber pad 8-1 at the bolt 8 end of screwing for the frictional force between the bolt 8 of screwing and the adjusting ball 6 increases, makes adjusting ball 6 fixed more steady.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. A theodolite for soft soil, comprising:
a theodolite body (1);
the theodolite body (1) is connected to the upper part of the frame body (2);
it is characterized in that the frame body comprises:
the theodolite body (1) is connected to the upper part of the support body (3);
the supporting legs (2-1), the supporting legs (2-1) include 3, the upper ends of the supporting legs (2-1) are hinged on the supporting body (3), and the 3 supporting legs (2-1) are uniformly distributed around the central axis of the supporting body (3);
the area of the lower surface of the supporting plate (2-2) is larger than that of the lower surface of the supporting leg (2-1), the upper part of the supporting plate (2-2) is connected with the lower end of the supporting leg (2-1) through a universal joint (2-3), and the lower surface of the supporting plate (2-2) is provided with anti-skid nails (2-2-1).
2. Theodolite for soft soil according to claim 1, wherein the supporting feet (2-1) are telescopic rods.
3. The theodolite for soft soil according to claim 1,
the support body (2) still includes:
the theodolite body (1) is fixedly connected right above the adjusting ball (6);
the balancing weight (4) is fixedly connected under the adjusting ball (6), the integral gravity center of the balancing weight (4) and the theodolite body (1) is located on a connecting line of the sphere center of the adjusting ball (6) and the gravity center of the theodolite body (1), and the integral gravity center of the balancing weight (4) and the theodolite body (1) is located at the lower part of the sphere center of the adjusting ball (6);
the support body (3) is provided with an adjusting hole (3-1) which is communicated up and down, the inner wall of the adjusting hole (3-1) is a spherical surface matched with the adjusting ball (6), and the adjusting ball (6) is rotatably arranged in the adjusting hole (3-1).
4. Theodolite for soft soil according to claim 3, wherein the adjusting ball (6) is a permanent magnet and the support body (3) is made of metal.
5. The theodolite for soft soil according to claim 3, further comprising:
the counterweight block (4) is fixedly connected with the adjusting ball (6) through the counterweight connecting rod (5).
6. Theodolite for soft soils according to claim 3, characterized in that M1L 1> M2L 2, where M1 is the weight of the counterweight (4), L1 is the distance from the center of gravity of the counterweight (4) to the center of the adjusting sphere (6), M2 is the weight of the theodolite body (1), and L2 is the distance from the center of gravity of the theodolite body (1) to the center of the adjusting sphere (6).
7. The theodolite for soft soil according to any one of claims 3 to 6, wherein the weight block (4) is in an inverted cone shape, and the center of the bottom of the inverted cone shape is fixedly connected with the weight connecting rod (5).
8. The theodolite for soft soil according to any one of claims 3 to 6, further comprising:
spirit level (7), spirit level (7) fixed connection is on theodolite body (1), and the level of spirit level (7) is perpendicular with balancing weight (4) focus and theodolite focus's line.
9. The theodolite for soft soil according to any one of claims 3 to 6, further comprising:
the screwing screw hole (3-2) is arranged at the side part of the support body (3), and the screwing screw hole (3-2) penetrates through the inner surface and the outer surface of the support body (3);
the screwing bolt (8), the screwing bolt (8) is matched with the screwing screw hole (3-2), the length of the screwing bolt (8) is larger than that of the screwing screw hole (3-2), and the screwing bolt (8) is in threaded connection with the screwing screw hole (3-2).
10. The theodolite for soft soil according to claim 9, wherein a rubber pad (8-1) is fixedly connected to an end of the tightening bolt (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022479709.8U CN213579298U (en) | 2020-10-30 | 2020-10-30 | Theodolite for soft soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022479709.8U CN213579298U (en) | 2020-10-30 | 2020-10-30 | Theodolite for soft soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213579298U true CN213579298U (en) | 2021-06-29 |
Family
ID=76532249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022479709.8U Expired - Fee Related CN213579298U (en) | 2020-10-30 | 2020-10-30 | Theodolite for soft soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213579298U (en) |
-
2020
- 2020-10-30 CN CN202022479709.8U patent/CN213579298U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210629 Termination date: 20211030 |
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| CF01 | Termination of patent right due to non-payment of annual fee |