CN218329898U

CN218329898U - Theodolite counter point adjusting structure and theodolite

Info

Publication number: CN218329898U
Application number: CN202222257221.XU
Authority: CN
Inventors: 刘宏
Original assignee: Wuhan Tianyu Optical & Electronic Instrument Co ltd
Current assignee: Wuhan Tianyu Optical & Electronic Instrument Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-01-17
Anticipated expiration: 2032-08-24

Abstract

The utility model provides a structure is adjusted to point ware to theodolite, it includes counter point seat, laser pipe, lens subassembly and a plurality of adjusting part, has seted up a through-hole on the counter point seat, and lens subassembly and laser pipe setting are in the through-hole, and the laser pipe forms the light path with the lens subassembly, sets up a plurality of regulation holes with the through-hole intercommunication on the counter point seat, and the setting of adjusting part one-to-one is in the regulation hole, and the adjusting part is adjustable at least partially stretch into in the through-hole and with the lens subassembly butt. The utility model discloses set up the regulation hole with the through-hole intercommunication on the counter point seat, adjusting part passes through the regulation hole and is located the lens subassembly butt in the through-hole, and adjusting part stretches into in the through-hole and adjustable with the part of lens subassembly butt, and then realizes adjusting the position of lens subassembly in the through-hole, and whole regulation structure setting is in the counter point seat to can not cause the volume of counter point seat and theodolite to appear changing.

Description

Theodolite point counter adjusting structure and theodolite

Technical Field

The utility model relates to a measure technical field, especially relate to a structure and theodolite are adjusted to pointers ware to theodolite.

Background

The theodolite is a measuring instrument designed according to the goniometric principle and used for measuring horizontal angles and vertical angles, and is divided into an optical theodolite and an electronic theodolite, wherein the electronic theodolite is the most commonly used electronic theodolite, and the theodolite is a mechanical part of a telescope, so that the telescope can point to different directions. The theodolite is provided with two mutually vertical rotating shafts so as to adjust the azimuth angle and the horizontal height of the telescope. The theodolite is an angle measuring instrument, it is equipped with a sighting part, a horizontal dial and an index of reading, a vertical dial and an index of reading, when measuring, the theodolite is arranged on a tripod, the center of the instrument is aligned to a ground measuring station by a plumb ball or an optical plummet, the instrument is leveled by a level gauge, a telescope is used for aiming at a measuring target, and the horizontal dial and the vertical dial are used for measuring the horizontal angle and the vertical angle. The method comprises the following steps of dividing the method into a precise theodolite and a common theodolite according to the precision; the reading equipment can be divided into an optical theodolite and a vernier theodolite; it is divided into surveying theodolite and direction theodolite according to the structure of axis system.

The laser line in the optical plummet needs to be adjusted before the optical plummet is aligned with the ground measuring station, and the existing adjustment mode is to adjust the position of the whole structure of the optical plummet to adjust the laser line in the plummet, for example, a three-claw base which is provided in patent CN215981786U and is used for various optical plummet and is reinforced and fixed, and the adjustment is realized by adjusting the position of the optical plummet.

But it has problems in that: because the whole structure of the optical plummet is adjusted, the adjusting structure inevitably needs to be large, the volume of the whole theodolite is enlarged, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for a theodolite plummet adjustment structure and theodolite that can achieve plummet adjustment without changing the volume of the theodolite.

The utility model provides a structure is adjusted to point ware to theodolite, include:

the laser tube and the lens assembly form a light path, the counter base is provided with a plurality of adjusting holes communicated with the through holes, the adjusting assemblies are arranged in the adjusting holes in a one-to-one correspondence manner, and at least part of the adjusting assemblies can be adjustably extended into the through holes and are abutted against the lens assembly.

Optionally, the aligning seat includes a cylindrical portion and a disk portion, the cylindrical portion and the disk portion are coaxially fixed, the through hole penetrates through the cylindrical portion and the disk portion along the axial direction of the cylindrical portion and the disk portion, the laser tube is disposed in a portion of the through hole located in the cylindrical portion, the lens assembly is disposed in a portion of the through hole located in the disk portion, the adjusting hole is formed in the disk portion along the radial direction of the disk portion, and the adjusting hole is communicated with the portion of the through hole located in the disk portion.

Optionally, the cake part is provided with three adjusting holes, and the three adjusting holes are not located on the same side of any symmetry axis of the cake part.

Optionally, the lens assembly includes a lens holder and a lens, the lens holder is provided with an embedding hole for embedding the lens, and the lens is embedded in the embedding hole.

Optionally, an outer circumferential surface of the lens holder contacting the adjusting assembly is a tapered surface.

Optionally, the adjusting assembly includes an adjusting stud and a contact, the adjusting stud and the contact are disposed in the adjusting hole, one end of the contact is connected to the adjusting stud, and the other end of the contact is abutted to the lens assembly.

Optionally, the outer surface of the adjusting stud is in threaded connection with the inner wall of the adjusting hole.

Optionally, an inclined plane matched with the conical surface and attached to one end of the contact head, which is abutted to the lens seat, is formed.

Optionally, at least one of the adjusting assemblies further includes a spring, one end of the spring is fixed to the contact head, and the other end of the spring is fixed to the adjusting stud.

A theodolite comprises the theodolite plummet adjusting structure.

The beneficial effects of the utility model are that:

the utility model provides a structure is adjusted to counter point ware to theodolite seted up on the counter point seat with the through-hole intercommunication the regulation hole, adjusting part passes through the regulation hole with be located in the through-hole the lens subassembly butt, adjusting part stretches into in the through-hole and with the part of lens subassembly butt is adjustable, and then realizes adjusting the lens subassembly is in position in the through-hole, whole regulation structure sets up in the counter point seat to can not cause the volume of counter point seat and theodolite to appear changing.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a point counter adjusting structure of a theodolite according to the present invention;

fig. 2 is a schematic cross-sectional view of the adjusting structure of the plummet for the vertical direction of the present invention;

FIG. 3 is a schematic diagram of the lens assembly of FIG. 2;

FIG. 4 is a schematic cross-sectional view of the pie section of FIG. 1;

in the figure, 1-point seat, 11-through hole, 12-adjusting hole, 13-cylindrical part, 14-round cake part, 2-laser tube, 3-lens component, 31-lens seat, 311-embedding hole, 32-lens, 4-adjusting component, 41-adjusting stud, 42-contact and 43-spring.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.

As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a theodolite plummet adjusting structure, which includes: the laser tube adjusting device comprises an aligning seat 1, a laser tube 2, a lens assembly 3 and a plurality of adjusting assemblies 4, wherein a through hole 11 is formed in the aligning seat 1, the lens assembly 3 and the laser tube 2 are arranged in the through hole 11, the laser tube 2 and the lens assembly 3 form a light path, a plurality of adjusting holes 12 communicated with the through hole 11 are formed in the aligning seat 1, the adjusting assemblies 4 are arranged in the adjusting holes 12 in a one-to-one correspondence mode, and at least part of the adjusting assemblies 4 can stretch into the through hole 11 in an adjustable mode and abut against the lens assembly 3.

The utility model discloses in set up on the counter seat 1 with through-hole 11 intercommunication regulation hole 12, adjusting part 4 passes through regulation hole 12 with be located in the through-hole 11 the 3 butts of lens subassembly, adjusting part 4 stretches into in the through-hole 11 and with the part of 3 butts of lens subassembly is adjustable, and then can adjust lens subassembly 3 is in position in the through-hole 11 realizes the light path adjustment to the counter ware, and whole regulation structure setting is in counter seat 1 to can not cause the volume of counter seat and theodolite to appear changing.

Specifically, as shown in fig. 1 and fig. 2, the counter holder 1 includes a cylindrical portion 13 and a circular cake portion 14, the cylindrical portion 13 and the circular cake portion 14 are coaxially fixed, the through hole 11 penetrates through the cylindrical portion 13 and the circular cake portion 14 along the axial direction of the cylindrical portion 13 and the circular cake portion 14, the laser tube 2 is disposed in a portion of the through hole 11 located in the cylindrical portion 13, the lens assembly 3 is disposed in a portion of the through hole 11 located in the circular cake portion 14, the adjusting hole 12 is opened in the circular cake portion 14 along the radial direction of the circular cake portion 14, and the adjusting hole 12 is communicated with a portion of the through hole 11 located in the circular cake portion 14.

It will be appreciated that the larger the number of adjustment apertures 12, the finer the adjustment of the lens assembly 3, but the larger the number of adjustment apertures 12, the more complicated the adjustment.

Therefore, in consideration of the precision and the adjustment difficulty, in this embodiment, the cake portion 14 is provided with three adjustment holes 12. None of the three adjustment holes 12 are located on the same side of any axis of symmetry of the cake portion 14. The purpose of this is that the adjustment assembly 4 is able to provide a support limit for the lens assembly 3 in all directions.

Further, the included angle between the axes of the three adjusting holes 12 is 120 °.

Specifically, the laser tube 2 is used for emitting laser, and the emitted laser is emitted out of the counter abutment 1 through the lens assembly 3. The laser tube 2 is fixed to the cylindrical portion 13. The laser tube 2 and the cylindrical part 13 have various fixing manners, for example, in some embodiments, the laser tube 2 and the through hole 11 are in interference fit and are clamped in the through hole 11; in other embodiments, the laser tube 2 is attached to the inner wall of the through hole 11 by adhesive.

Specifically, as shown in fig. 2 and 3, the lens assembly 3 includes a lens holder 31 and a lens 32, an embedding hole 311 for embedding the lens 32 is formed in the lens holder 31, the lens 32 is embedded in the embedding hole 311, and an outer peripheral surface of the lens holder 31 contacting the adjusting assembly 4 is a conical surface. The purpose of forming the outer peripheral surface of the lens holder 31 as a conical surface is that the conical surface can realize the reversing of the acting force, and the adjusting component 4 moves along the direction perpendicular to the axis of the through hole 11, and through the reversing of the conical surface, the lens holder 31 is pushed to move along the axis of the through hole 11, so as to realize the function of focusing.

Specifically, as shown in fig. 2 and 4, the adjusting assembly 4 includes an adjusting stud 41 and a contact 42, the adjusting stud 41 and the contact 42 are disposed in the adjusting hole 12, one end of the contact 42 is connected to the adjusting stud 41, and the other end of the contact 42 abuts against the lens assembly 3.

The outer surface of the adjusting stud 41 is in threaded connection with the inner wall of the adjusting hole 12, when the adjusting stud 41 is rotated, the adjusting stud 41 moves along the adjusting hole 12, and the contact 42 pushes the lens assembly 3 to move.

The contact 42 and the lens holder 31 abut against one end to form an inclined plane matched and attached with the conical surface, and the inclined plane enables the contact 42 and the lens holder 31 to be stably attached, so that accurate adjustment is facilitated, and the lens holder 31 is stably supported.

In this embodiment, at least one of the adjusting assemblies 4 further includes a spring 43, one end of the spring 43 is fixed to the contact head 42, and the other end of the spring 43 is fixed to the adjusting stud 41, and the spring 43 makes the contact head 42 and the lens holder 31 flexible, so as to protect the lens assembly 3 and prevent the lens assembly 3 from being broken during the adjusting process.

In the actual use process, the adjusting component 4 containing the spring 43 is a real-time adjusting component, the adjusting component 4 not containing the spring 43 is a pre-adjusting component, and only the pre-adjusting component and the real-time adjusting component are adjusted before use, so that the plummet use requirements are met; if during use, a condition occurs that requires adjustment, the lens assembly 3 is adjusted by adjusting the pre-adjustment assembly. The purpose of this way lies in, 1, simplify the regulation operation in using, reduce the difficulty of using of the operator; 2. the spring is contained in the pre-adjusting assembly, so that the condition that the lens assembly 3 is crushed in the adjusting process can be avoided.

The utility model also provides a theodolite, it includes foretell theodolite counter point ware and adjusts the structure.

The utility model discloses beneficial effect is:

the utility model provides a structure is adjusted to point ware to theodolite seted up on the counter point seat with the through-hole intercommunication the regulation hole, adjusting part passes through the regulation hole with be located in the through-hole the lens subassembly butt, adjusting part stretches into in the through-hole and with the part of lens subassembly butt is adjustable, and then realizes adjusting the lens subassembly is in position in the through-hole, whole regulation structure sets up in the counter point seat, can not cause the volume of counter point seat and theodolite to appear changing.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims

1. A theodolite plummet adjusting structure, comprising:

the laser tube and the lens assembly form a light path, the aligning seat is provided with a plurality of adjusting holes communicated with the through holes, the adjusting assemblies are arranged in the adjusting holes in a one-to-one correspondence mode, and at least part of the adjusting assemblies can stretch into the through holes in an adjustable mode and abut against the lens assembly.

2. The theodolite counter point adjusting structure of claim 1, wherein the counter point seat comprises a cylindrical portion and a disk portion, the cylindrical portion is coaxially fixed with the disk portion, the through hole penetrates through the cylindrical portion and the disk portion along the axial direction of the cylindrical portion and the disk portion, the laser tube is disposed in the portion of the through hole in the cylindrical portion, the lens assembly is disposed in the portion of the through hole in the disk portion, the adjusting hole is disposed on the disk portion along the radial direction of the disk portion, and the adjusting hole is communicated with the portion of the through hole in the disk portion.

3. The theodolite plummet adjusting structure as claimed in claim 2, wherein the round cake part is provided with three adjusting holes, and the three adjusting holes are not located on the same side of any symmetry axis of the round cake part.

4. The theodolite point-to-point device adjusting structure according to claim 1, wherein the lens assembly comprises a lens holder and a lens, the lens holder is provided with an embedding hole for embedding the lens, and the lens is embedded in the embedding hole.

5. The theodolite plummet-to-point adjustment structure of claim 4, wherein the outer peripheral surface of said lens holder in contact with said adjustment member is a tapered surface.

6. The theodolite plummet adjustment structure according to claim 5, wherein the adjustment assembly comprises an adjustment stud and a contact, the adjustment stud and the contact are disposed in the adjustment hole, one end of the contact is connected with the adjustment stud, and the other end of the contact is abutted against the lens assembly.

7. The theodolite plummet alignment feature of claim 6 wherein said adjusting stud outer surface is threaded into engagement with said adjusting hole inner wall.

8. The theodolite plummet as recited in claim 6, wherein the end of said contact abutting said lens holder is formed with an inclined surface matching said conical surface.

9. The theodolite plummet adjustment structure of claim 6, wherein at least one of said adjustment assemblies further comprises a spring, one end of said spring being fixed to said contact and the other end of said spring being fixed to said adjustment stud.

10. A theodolite including the theodolite plummet adjustment mechanism of any one of claims 1-9.