CN214426687U

CN214426687U - Portable theodolite for engineering cost

Info

Publication number: CN214426687U
Application number: CN202120503631.0U
Authority: CN
Inventors: 肖坤友
Original assignee: Zhongtian Shunyun Construction Management Co ltd
Current assignee: Zhongtian Shunyun Construction Management Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-10-19
Anticipated expiration: 2031-03-09

Abstract

The utility model discloses an engineering cost is with portable theodolite, the on-line screen storage device comprises a base, the upper end of base is rotated and is connected with the regulation support, the inboard swing joint in upper end of regulation support has the telescope, the inside fixed mounting of front end of telescope has optical lens, the front end outside of telescope is provided with protection mechanism, protection mechanism includes the sleeve, the position circle has been seted up at telescopic inboard middle part, the front end of telescopic inboard position circle is provided with the protection lens, telescopic front end is provided with fixed establishment, fixed establishment includes the recipient. A portable theodolite for engineering cost can protect optical lens piece in inside through sleeve and protective glass piece, makes dust and gravel unable produce influence and damage to optical lens piece to be convenient for take out the protective glass piece and wash or change, equipment can continue to use in the short time moreover and is not influenced, has improved work efficiency.

Description

Portable theodolite for engineering cost

Technical Field

The utility model relates to a draw surveying instrument technical field, in particular to engineering cost is with portable theodolite.

Background

The theodolite is a measuring instrument for measuring horizontal angles and vertical angles designed according to the angle measuring principle, and is divided into an optical theodolite and an electronic theodolite, wherein the electronic theodolite is most commonly used; the theodolite is a mechanical part of the telescope, so that the telescope can point to different directions; the theodolite is provided with two mutually vertical rotating shafts so as to adjust and adjust the azimuth angle and the horizontal height of the telescope; the theodolite is an angle measuring instrument equipped with a sighting part, a horizontal scale and a reading index, and a vertical scale and a reading index.

The patent document of application number 201720038258.X discloses a portable theodolite, the bottom fixedly connected with disc of theodolite, three logical groove has been seted up to the side surface equidistance of disc, it connects through the pivot to lead to the relative inner wall of groove, the circle cover has been cup jointed in the pivot, the surface of circle cover and the top fixed connection of folded plate, seted up on the folded plate and accomodate the groove, accomodate the inslot sliding connection and have the slider, the both sides of slider respectively with the one end fixed connection of two slide bars. The utility model discloses an to the improvement of folded plate, can make the shrink pole get into and accomodate the groove or stretch out by accomodating in the groove to can adjust the total length between shrink pole and the folded plate, the folded plate can rotate in logical inslot's pivot, has reached the effect of being convenient for adjust whole device space occupancy, and the use of cooperation extrusion spring can promote the fly leaf, makes the kelly joint on the fly leaf on the folded plate, thereby need not screw the bolt and just can fix the shrink pole.

However, when the portable theodolite is applied to the aspect of engineering cost, because the using place is on the construction site, dust and gravel are more in the environment of the construction site, the optical lenses of the theodolite are easily polluted by the dust, the cleaning of the optical lenses is troublesome, and the theodolite cannot be continuously used when the lenses are cleaned, so that the working efficiency is reduced, and the optical lenses are easily scratched by the gravel carried in the air when wind blows.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a portable theodolite for construction costs, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a portable theodolite for engineering cost comprises a base, wherein the upper end of the base is rotatably connected with an adjusting support, the inner side of the upper end of the adjusting support is movably connected with a telescope, an optical lens is fixedly arranged in the front end of the telescope, a protection mechanism is arranged on the outer side of the front end of the telescope and comprises a sleeve, a locating ring is arranged in the middle of the inner side of the sleeve, a protection lens is arranged at the front end of the inner side locating ring of the sleeve, a fixing mechanism is arranged at the front end of the sleeve and comprises an extruding cylinder, a rotating shaft is fixedly connected at the lower end of the extruding cylinder, a locking mechanism is arranged at the upper end of the extruding cylinder and comprises a fixing block, a tension spring is fixedly connected at the rear end of the fixing block, a hook is welded at the rear end of the tension spring, a fixing shaft is movably connected at the inner side of the rear end of the hook, and the two ends of the fixed shaft are fixedly connected with fixed seats.

Preferably, the outer side of the front end of the telescope is provided with a thread structure, the front end of the telescope is in threaded connection with the inner part of the rear end of the sleeve through the thread structure, and the size of the inner surface of the locating ring is the same as that of the inner surface of the front end of the telescope.

Preferably, the external dimension of the protective lens is matched with the internal dimension of the sleeve, and the rear end of the protective lens is attached to the front end of the positioning ring.

Preferably, the recipient is the rubber material, the rear end size of recipient and the inboard size looks adaptation of telescopic front end, the inside size of recipient is the same with the inside size of position circle, and the rear end of recipient laminates with the front end edge of protection lens mutually, the both ends of pivot run through inside the telescopic front end, and the pivot is connected with the inside rotation of telescopic front end.

Preferably, the lower extreme of fixed block and the upper end fixed connection of recipient, the inside size in rear end of couple and the external dimension looks adaptation of fixed axle, the rear end and the fixed axle joint of couple.

Preferably, the lower end of the fixed seat is fixedly connected with the rear side of the upper end of the sleeve.

Compared with the prior art, the utility model discloses following beneficial effect has: the portable theodolite for engineering cost can fix a sleeve at the front end of a telescope in a rotating way through a threaded structure at the front end of the telescope, a protective lens is put in through the front end of the sleeve, the protective lens can be positioned in the middle of the sleeve through a positioning ring, an extrusion cylinder can be turned upwards through the rotating connection of a rotating shaft and the front end of the sleeve, the inner size of the rear end of the extrusion cylinder is matched with the inner size of the front end of the sleeve, the rear end of the extrusion cylinder can be clamped into the inner part of the front end of the sleeve, the protective lens can be fixed in the sleeve, the inner sizes of the front end of the extrusion cylinder and the front end of the telescope are the same through the positioning ring and the extrusion cylinder, the drawing and surveying work of the telescope can not be influenced, a tension spring and a hook can be fixedly connected with the upper end of the extrusion cylinder through a fixing block, a fixing shaft can be fixed at the rear side of the upper end of the sleeve through the clamping connection of the hook and the fixing shaft, make the recipient can lock can not drop at telescopic front end, can protect optical lens in inside through sleeve and protection lens, make dust and grit can't exert an influence and harm to optical lens, it is more at protection lens surface dust, or when the fish tail seriously needs to wash and change, hold between the fingers the couple, under the elastic action of extension spring, pull the couple backward, make couple and fixed axle separation, thereby can open the recipient to the outside upset, and then can take out the protection lens and wash or change, and, equipment can continue to use in the short time and is not influenced, and the work efficiency is improved, and is relatively practical.

Drawings

FIG. 1 is a schematic view of the overall structure of a portable theodolite for construction cost according to the present invention;

FIG. 2 is a schematic overall sectional view of the portable theodolite for construction cost according to the present invention;

FIG. 3 is an exploded view of a protection mechanism of the portable theodolite for construction cost according to the present invention;

FIG. 4 is an enlarged view of the portable theodolite for construction cost according to the present invention;

fig. 5 is the structure diagram of the locking mechanism of the portable theodolite for construction cost.

In the figure: 1. a base; 2. adjusting the bracket; 3. a telescope; 4. an optical lens; 5. a protection mechanism; 51. a sleeve; 52. positioning rings; 53. protecting the lens; 54. a fixing mechanism; 541. an extrusion cylinder; 542. a rotating shaft; 543. a locking mechanism; 5431. a fixed block; 5432. a tension spring; 5433. hooking; 5434. a fixed seat; 5435. and fixing the shaft.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-5, a portable theodolite for construction cost comprises a base 1, an adjusting bracket 2 is rotatably connected to the upper end of the base 1, a telescope 3 is movably connected to the inner side of the upper end of the adjusting bracket 2, an optical lens 4 is fixedly installed inside the front end of the telescope 3, a protection mechanism 5 is arranged outside the front end of the telescope 3, the protection mechanism 5 comprises a sleeve 51, a positioning ring 52 is arranged in the middle of the inner side of the sleeve 51, a protection lens 53 is arranged at the front end of the inner positioning ring 52 of the sleeve 51, a fixing mechanism 54 is arranged at the front end of the sleeve 51, the fixing mechanism 54 comprises a squeezing barrel 541, a rotating shaft 542 is fixedly connected to the lower end of the squeezing barrel 541, a locking mechanism 543 is arranged at the upper end of the squeezing barrel 541, the locking mechanism 543 comprises a fixing block 5431, a tension spring 5432 is fixedly connected to the rear end of the fixing block 5431, a hook 5433 is welded to the rear end of the tension spring 5432, a fixing shaft 5435 is movably connected to the inner side of the rear end of the hook 5433, fixing bases 5434 are fixedly connected to both ends of the fixing shaft 5435.

In this embodiment, a thread structure is provided on the outer side of the front end of the telescope 3, the front end of the telescope 3 is in threaded connection with the inner portion of the rear end of the sleeve 51 through the thread structure, and the inner surface of the positioning ring 52 has the same size as the inner surface of the front end of the telescope 3.

The outer dimension of the protective lens 53 is matched with the inner dimension of the sleeve 51, and the rear end of the protective lens 53 is attached to the front end of the positioning ring 52.

Specifically, through the thread structure at the front end of the telescope 3, the sleeve 51 can be rotationally fixed at the front end of the telescope 3, the protective lens 53 can be put in through the front end of the sleeve 51, the protective lens 53 can be positioned in the middle of the sleeve 51 through the locating ring 52, the optical lens 4 can be protected inside through the sleeve 51 and the protective lens 53, and dust and gravel cannot affect and damage the optical lens 4.

In this embodiment, the extrusion container 541 is made of rubber, the rear end of the extrusion container 541 is matched with the inner side of the front end of the sleeve 51, the inner size of the extrusion container 541 is the same as the inner size of the positioning ring 52, the rear end of the extrusion container 541 is attached to the front end edge of the protective lens 53, two ends of the rotating shaft 542 penetrate through the inner portion of the front end of the sleeve 51, and the rotating shaft 542 is rotatably connected with the inner portion of the front end of the sleeve 51.

The lower end of the fixing block 5431 is fixedly connected with the upper end of the extrusion barrel 541, the inner side size of the rear end of the hook 5433 is matched with the outer size of the fixing shaft 5435, and the rear end of the hook 5433 is clamped with the fixing shaft 5435.

The lower end of the fixing seat 5434 is fixedly connected with the rear side of the upper end of the sleeve 51.

Specifically, the extrusion cylinder 541 can be turned upwards through the rotary connection of the rotating shaft 542 and the front end of the sleeve 51, the rear end of the extrusion cylinder 541 can be clamped into the front end of the sleeve 51 through the adaptation of the rear end dimension of the extrusion cylinder 541 and the front end inner dimension of the sleeve 51, so that the protective lens 53 can be fixed inside the sleeve 51, the drawing and testing work of the telescope 3 can be unaffected through the positioning ring 52 and the same inner dimension of the front end of the telescope 3 as the extrusion cylinder 541 and the front end of the telescope 3, the tension spring 5432 and the hook 5433 can be fixedly connected with the upper end of the extrusion cylinder 541 through the fixing block 5431, the fixing shaft 5435 can be fixed on the rear side of the upper end of the sleeve 51 through the fixing seat 5434, the extrusion cylinder 541 can be locked at the front end of the sleeve 51 without falling through the clamping connection of the hook 5433 and the fixing shaft 5435, when the protective lens 53 has more dust on the surface and is seriously scratched and needs to be cleaned and replaced, hold couple 5433 between fingers, under extension spring 5432's elastic action, pull couple 5433 backward, make couple 5433 and fixed axle 5435 separation to can open recipient 541 outside upset, and then can take out protection lens 53 and wash or change, and, equipment can continue to use in the short time and is not influenced, has improved work efficiency.

It should be noted that, the utility model relates to a portable theodolite for engineering cost, the user fixes the sleeve 51 at the front end of the telescope 3 in a rotating manner, put in the protective lens 53 through the front end of the sleeve 51, turn over the squeeze tube 541 upwards, make the rear end of the squeeze tube 541 snap into the front end of the sleeve 51, can fix the protective lens 53 inside the sleeve 51, through the snap-fit of the hook 5433 and the fixed shaft 5435, make the squeeze tube 541 lockable at the front end of the sleeve 51, can protect the optical lens 4 inside through the sleeve 51 and the protective lens 53, when the surface dust of the protective lens 53 is more, or the scratch is serious and needs to be cleaned and replaced, hold the hook 5433, under the elastic action of the extension spring 5432, pull the hook 5433 backwards, make the hook 5433 separate from the fixed shaft 5435, turn over the squeeze tube 541 outwards and open, can take out the protective lens 53 to clean or replace, the telescope 3 and the optical lens 4 can be continuously used for a short time without influence.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a portable theodolite is used to engineering cost, includes base (1), its characterized in that: the upper end of base (1) is rotated and is connected with regulation support (2), the inboard swing joint in upper end of regulation support (2) has telescope (3), the inside fixed mounting in front end of telescope (3) has optical lens (4), the front end outside of telescope (3) is provided with protection machanism (5), protection machanism (5) include sleeve (51), position circle (52) have been seted up at the inboard middle part of sleeve (51), the front end of the inboard position circle (52) of sleeve (51) is provided with protection lens (53), the front end of sleeve (51) is provided with fixed establishment (54), fixed establishment (54) include recipient (541), the lower extreme fixedly connected with pivot (542) of recipient (541), the upper end of recipient (541) is provided with locking mechanical system (543), locking machanism (543) includes fixed block (5431), the rear end fixedly connected with extension spring (5432) of fixed block (5431), the rear end welding of extension spring (5432) has couple (5433), the inboard swing joint in rear end of couple (5433) has fixed axle (5435), both ends fixedly connected with fixing base (5434) of fixed axle (5435).

2. A portable theodolite for construction costs according to claim 1, characterized in that: the outer side of the front end of the telescope (3) is provided with a thread structure, the front end of the telescope (3) is in threaded connection with the inner part of the rear end of the sleeve (51) through the thread structure, and the size of the inner surface of the locating ring (52) is the same as that of the inner surface of the front end of the telescope (3).

3. A portable theodolite for construction costs according to claim 1, characterized in that: the outer dimension of the protective lens (53) is matched with the inner dimension of the sleeve (51), and the rear end of the protective lens (53) is attached to the front end of the positioning ring (52).

4. A portable theodolite for construction costs according to claim 1, characterized in that: the utility model discloses a lens, including extrusion jar (541), extrusion jar (541) is the rubber material, the inboard size looks adaptation of front end of rear end size and sleeve (51) of extrusion jar (541), the inside size of extrusion jar (541) is the same with the inside size of position circle (52), and the rear end of extrusion jar (541) and the front end edge laminating of protection lens (53), the both ends of pivot (542) run through inside the front end of sleeve (51), and pivot (542) and the inside rotation of front end of sleeve (51) are connected.

5. A portable theodolite for construction costs according to claim 1, characterized in that: the lower extreme of fixed block (5431) and the upper end fixed connection of recipient (541), the inside size of rear end and the external dimension looks adaptation of fixed axle (5435) of couple (5433), the rear end and the fixed axle (5435) joint of couple (5433).

6. A portable theodolite for construction costs according to claim 1, characterized in that: the lower end of the fixed seat (5434) is fixedly connected with the rear side of the upper end of the sleeve (51).