CN214954070U - Laser range finder correcting unit for civil engineering - Google Patents

Abstract

The utility model discloses a laser range finder correcting unit for civil engineering, including base, manual formula telescopic link, foot spiral, U type mount pad and laser range finder body, base top fixed mounting has manual formula telescopic link, rotary mechanism is installed through the foot spiral to the output of manual formula telescopic link, rotary mechanism's top fixed mounting has U type mount pad, the inside laser range finder body of placing of U type mount pad. The utility model discloses an all run through and install first adjust knob in U type mount pad both sides, under the cooperation of first adjust knob and rubber pressing plate, make laser range finder body fix between U type mount pad, guaranteed the stability of instrument, install the round level through embedding at laser range finder body top surface, under the cooperation of foot spiral and runner assembly, can improve the accuracy nature of correction according to the angle of pitch and the angle of deflection of level bubble position control instrument.

Description

Laser range finder correcting unit for civil engineering

Technical Field

The utility model relates to a laser range finder rectifies technical field, specifically is a laser range finder correcting unit for civil engineering.

Background

A laser rangefinder is an instrument that accurately measures the distance to a target using a parameter of modulated laser light. The accurate range finding needs the cooperation of total reflection prism usually, and the distancer of house measurement usefulness, and direct with glossy wall reflection measurement, must be perpendicular between the laser of transmission and the wall, otherwise return signal too weak will not obtain accurate distance, but current laser distancer has many problems or defects:

laser range finder who uses generally is hand-held type laser range finder in traditional civil engineering construction, and the level or vertical of laser when unable assurance measurement causes great error easily, and stability is too low to hand-held type laser range finder mainly relies on the artificial regulation of observation personnel to rectify, and the calibration is not accurate enough and is difficult to maintain.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laser range finder correcting unit for civil engineering to the measurement stability who proposes among the solution above-mentioned background art is low and the inaccurate problem of calibration.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a laser range finder correcting unit for civil engineering, includes base, manual formula telescopic link, foot spiral, U type mount pad and laser range finder body, base top fixed mounting has manual formula telescopic link, the output of manual formula telescopic link passes through connecting plate and foot spiral fixed connection, the foot spiral is installed rotary mechanism through the runner assembly, rotary mechanism's top fixed mounting has U type mount pad, the inside laser range finder body of placing of U type mount pad.

Preferably, four groups of supporting legs are installed to the bottom of base, second adjust knob is installed in the front of manual formula telescopic link.

Preferably, the rotating mechanism is composed of a rotating shaft and a rotating groove, and the rotating assembly is spirally and rotatably connected with the foot through the rotating shaft.

Preferably, first adjusting knob is installed all to run through in U type mount pad both sides, rubber pressing plate is all installed to first adjusting knob's output.

Preferably, the front of the laser range finder body is provided with an eyepiece, the top surface of the laser range finder body is provided with a display screen and a control key, and a circular level is installed in the top surface of the laser range finder body in an embedded mode.

Preferably, the back of laser range finder body is provided with objective and laser emitter, and the back embedding of laser range finder body installs mutually perpendicular's first pipe spirit level and second pipe spirit level.

Compared with the prior art, the utility model discloses an innovation point effect of design is: this laser range finder correcting unit for civil engineering is rational in infrastructure, has following advantage:

(1) the first adjusting knobs penetrate through two sides of the U-shaped mounting seat, and the distance between the two rubber pressing plates fixedly connected with the first adjusting knobs can be controlled and adjusted by rotating the first adjusting knobs, so that the laser range finder body is fixed between the U-shaped mounting seats, the laser range finder body cannot fall down due to unintentional collision to cause damage to the laser range finder body, and the stability of the laser range finder during measurement is ensured;

(2) the circular level is embedded and mounted on the top surface of the laser range finder body, whether the pitch angle and the yaw angle of the laser range finder meet requirements or not is judged according to the position of a level bubble in the circular level, and the level bubble is accurately centered by rotating the height of each direction through the cooperation of the foot screw and the rotating assembly, so that the calibration accuracy is improved, and the measurement is more accurate;

(3) through installing rotary device in U type mount pad bottom, the observer is after selecting the observation point, and the accessible rotates rotary device, surveys the distance between the wall of observation point to different position, and laser range finder body back embedding installs mutually perpendicular's pipe level appearance, and the instrument can be vertically installed and carry out same level adjustment through the foot spiral, can carry out the distance measurement of vertical direction after the regulation is accomplished.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is a schematic view of the vertically disposed overlooking structure of the present invention;

fig. 5 is a schematic side view of the rotating assembly of the present invention.

In the figure: 1. a base; 2. a manual telescopic rod; 3. a connecting plate; 4. a foot spiral; 5. a rotation mechanism; 501. a rotating shaft; 502. a rotating tank; 6. a U-shaped mounting seat; 7. a laser rangefinder body; 701. an eyepiece; 702. a circular level; 703. a first tube level; 704. an objective lens; 705. a laser transmitter; 706. a second tube level; 8. a rubber press plate; 9. a first adjustment knob; 10. a rotating assembly; 11. a second adjustment knob; 12. and (3) a support leg.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a laser range finder correcting device for civil engineering comprises a base 1, a manual telescopic rod 2, a foot spiral 4, a U-shaped mounting seat 6 and a laser range finder body 7, wherein four groups of support legs 12 are installed at the bottom of the base 1, the manual telescopic rod 2 is fixedly installed at the top of the base 1, the manual telescopic rod 2 is formed by sleeving two or more piston type hydraulic cylinders, a piston rod of a piston cylinder at the previous stage is a cylinder barrel of a piston cylinder at the next stage, a second adjusting knob 11 is installed on the front surface of the manual telescopic rod 2, the telescopic length of the manual telescopic rod 2 is adjusted by rotating the second adjusting knob 11, and after the position of an instrument meets the height requirement to be measured, the second adjusting knob 11 is rotated to fix the position;

the output end of a manual telescopic rod 2 is fixedly connected with four groups of foot spirals 4 through a connecting plate 3, the foot spirals 4 are provided with a rotating mechanism 5 through a rotating assembly 10, the rotating mechanism 5 consists of a rotating shaft 501 and a rotating groove 502, the rotating assembly 10 is rotatably connected with the foot spirals 4 through a rotating shaft, the top of the rotating mechanism 5 is fixedly provided with a U-shaped mounting seat 6, two sides of the U-shaped mounting seat 6 are respectively provided with a first adjusting knob 9 in a penetrating way, the output end of the first adjusting knob 9 is provided with a rubber pressing plate 8, a laser range finder body 7 is arranged in the U-shaped mounting seat 6, the type of the laser range finder body 7 can be a PD-64 handheld laser range finder, the front face of the laser range finder body 7 is provided with an eyepiece 701, the top face of the laser range finder body 7 is provided with a display screen and control keys, and the top face of the laser range finder body 7 is embedded with a round level 702, the back of the laser range finder body 7 is provided with an objective lens 704 and a laser emitter 705;

specifically, after the laser range finder body 7 is horizontally placed in the U-shaped mounting seat 6, the first adjusting knob 9 penetrating through the two sides of the inside and the outside of the U-shaped mounting seat 6 is rotated to control the distance between the two rubber press plates 8 fixedly connected with the first adjusting knob 9, so that the laser range finder body 7 is fixed between the U-shaped mounting seats 6, whether the pitch angle and the deflection angle of the laser range finder body 7 meet the requirements or not is judged according to the circular level 702, when the level bubble deviates from the central position, under the matching of the foot spiral 4 and the rotating assembly 10, the U-shaped mounting seat 6 is enabled to conform to the circular level 702 and pitch in the vertical plane, the foot spiral 4 is adjusted in a rotating mode until the leveling bubble is accurately centered, the laser range finder body 7 can horizontally emit the laser emitted by the laser emitter 705 to the surface of the building wall, which indicates that the laser range finder body 7 can measure the horizontal distance after completing the correction;

and the back of laser range finder body 7 is embedded and installed mutually perpendicular's first pipe spirit level 703 and second pipe spirit level 706, through at the inside vertical installation laser range finder body 7 of U type mount pad 6, judge respectively according to first pipe spirit level 703 and second pipe spirit level 706 whether pitch angle and deflection angle meet the demands, adjust foot spiral 4 in the same way and rectify the back, can measure the distance of measuring point to building top wall in the vertical direction.

The working principle is as follows: when the device is used, firstly, the four groups of support legs 12 fixedly installed at the bottom of the base 1 are stably placed at the measuring point position through arranging at the measuring point of a construction site needing to be measured, the second adjusting knob 11 on the front side of the manual telescopic rod 2 is rotated, the length of the manual telescopic rod 2 is adjusted, the manual telescopic rod 2 is formed by sleeving two or more piston type hydraulic cylinders, the piston rod of the piston cylinder at the front side is the cylinder barrel of the piston cylinder at the rear side, when the manual telescopic rod 2 stretches to reach a proper length range, namely, the height accords with the height of an observer, the observation of the observer is facilitated, the second adjusting knob 11 on the front side of the manual telescopic rod 2 is rotated to limit and fix;

secondly, by horizontally placing a laser range finder body 7 in the U-shaped mounting seat 6, the model of the laser range finder body 7 can be a PD-64 handheld laser range finder, by rotating a first adjusting knob 9 penetrating through the two sides of the inside and the outside of the U-shaped mounting seat 6, the distance between two rubber press plates 8 fixedly connected with the first adjusting knob 9 is controlled, so that the laser range finder body 7 is fixed between the U-shaped mounting seats 6, the laser range finder body 7 can not fall off due to unintentional collision to cause damage of the instrument, and then whether the pitch angle and the deflection angle of the laser range finder body 7 meet the requirements is judged according to a circular level 702 embedded and installed on the top surface of the laser range finder body 7, when a level bubble deviates from the central position, under the matching of four groups of foot spirals 4 fixedly connected with the output end of a manual telescopic rod 2 through a connecting plate 3 and a rotating assembly 10, enabling the U-shaped mounting seat 6 to be in pitch in a vertical plane according with the circular level 702, rotating the adjusting foot screw 4 until the level bubble is accurate and centered, enabling the sight line to be horizontal, enabling laser emitted by the laser range finder body 7 through the laser emitter 705 to be horizontally emitted to the surface of a building wall, indicating that the laser range finder body 7 can be corrected to finish measurement of the horizontal distance, observing personnel can observe the position of the wall through an eyepiece 701 and an objective lens 704, adjusting the rotating mechanism 5 when the wall is not in the sight line range, rotating the rotating shaft 501 in the rotating groove 502 to drive the U-shaped mounting seat 6 to horizontally rotate, and starting the laser range finder body 7 to emit laser to measure after finding the position of the wall to be measured;

finally, through vertically putting into laser range finder body 7 in U type mount pad 6 is inside, fix laser range finder body 7 back through first adjust knob 9, whether pitch angle and deflection angle accord with the requirement respectively according to first pipe spirit level 703 and the second pipe spirit level 706 of mutually perpendicular of laser range finder body 7 back embedding installation, when the level bubble off-center position, rotatory regulation foot spiral 4 makes and accords with a pipe spirit level every single move in the vertical plane, until it is accurate central to accord with the level bubble, make the laser ray vertical, then laser range finder body 7 can vertically shoot out to building top wall through the laser of laser emitter 705 transmission, then show that this laser range finder body 7 corrects the measurement that can carry out vertical distance.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a laser range finder correcting unit for civil engineering, includes base (1), manual formula telescopic link (2), foot spiral (4), U type mount pad (6) and laser range finder body (7), its characterized in that: the utility model discloses a laser rangefinder, including base (1), the top fixed mounting of base (1) has manual formula telescopic link (2), the output of manual formula telescopic link (2) passes through connecting plate (3) and foot spiral (4) fixed connection, rotary mechanism (5) are installed through runner assembly (10) in foot spiral (4), the top fixed mounting of rotary mechanism (5) has U type mount pad (6), laser rangefinder body (7) are placed to the inside of U type mount pad (6).

2. The laser range finder correcting device for civil engineering as claimed in claim 1, characterized in that: four groups of support legs (12) are installed to the bottom of base (1), second adjust knob (11) are installed in the front of manual formula telescopic link (2).

3. The laser range finder correcting device for civil engineering as claimed in claim 1, characterized in that: the rotating mechanism (5) is composed of a rotating shaft (501) and a rotating groove (502), and the rotating assembly (10) is rotatably connected with the foot spiral (4) through the rotating shaft.

4. The laser range finder correcting device for civil engineering as claimed in claim 1, characterized in that: u type mount pad (6) both sides all run through and install first adjust knob (9), rubber clamp plate (8) are all installed to the output of first adjust knob (9).

5. The laser range finder correcting device for civil engineering as claimed in claim 1, characterized in that: laser range finder body (7) openly are provided with eyepiece (701), laser range finder body (7) top surface is provided with display screen and control button, and the top surface embedding of laser range finder body (7) installs round level (702).

6. The laser range finder correcting device for civil engineering as claimed in claim 1, characterized in that: the back of the laser range finder body (7) is provided with an objective lens (704) and a laser emitter (705), and a first pipe level (703) and a second pipe level (706) which are perpendicular to each other are embedded in the back of the laser range finder body (7).

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