CN209279953U - Inclined Laser Rangefinder - Google Patents

Abstract

The utility model discloses an inclined laser range finder, which comprises a base, a laser range finder and an angle plate; the angle plate is arranged on the upper end of the base and is perpendicular to it; Scale line; the laser range finder includes a hinged end and a free end; the hinged end is perpendicular to the angle plate and hinged with the center end of the angle plate; the free end points to the arc end, and the laser range finder takes the hinged end as the center of the circle at rotation in the vertical plane. The inclined laser rangefinder proposed by the utility model can measure the oblique distance between the transmission line and the transmission line at the oblique bottom of the transmission line by setting the laser rangefinder obliquely and using it with the angle plate, and then obtain the distance between the transmission line and the transmission line through angle calculation. The vertical distance on the ground, when measuring the height of the transmission line in this way, it is no longer necessary for the measurement personnel to be under the transmission line, and it can be used in more environments.

Description

Inclined Laser Rangefinder

technical field

The utility model relates to the technical field of power line height measurement, in particular to an inclined laser range finder.

Background technique

In order to ensure the safe height of the overhead transmission line, it is necessary to measure its height; the existing height measurement method is usually to measure the height of the transmission line directly under the transmission line through a distance meter, but due to the complicated erection position of some transmission lines, For example, if the transmission line is above the water surface, it is not convenient for surveyors to measure under the transmission line.

Utility model content

The utility model aims at at least solving one of the technical problems existing in the prior art. For this reason, the utility model proposes an inclined laser range finder, including a base, a laser range finder and an angle plate;

The lower end of the base is provided with adjusting feet for adjusting the level of the base, and the upper end of the base is provided with a vial;

The angle plate is arranged on the upper end of the base and is perpendicular to it. The angle plate includes a center end and an arc end. The arc end is marked with a clip formed between the space extension line from the center end to any point of the arc end and the upper end of the base. Angular tick marks for angular size;

The laser rangefinder includes a hinged end and a free end; the hinged end is perpendicular to the angle plate and hinged with the center end of the angle plate; the free end points to the arc-shaped end, and the laser rangefinder takes the hinged end as the center of the circle Rotate in a vertical plane.

Further, it also includes two inclination adjustment parts, which are respectively arranged on the hinged end and the free end of the laser rangefinder; each of the inclination adjustment parts includes an adjustment cap, a screw rod, a slider and a fixed bearing; the vertical screw rod is The lower end is connected to the base through the fixed bearing, and the upper end is connected to the adjustment cap; the slider is sleeved on the screw rod, and one side of the slider is connected to the laser rangefinder.

Further, the screw lead of the inclination adjusting piece located at the hinged end is larger than the screw lead of the other inclination adjusting piece.

Further, it also includes a support rod; the support rod is arranged vertically, its upper end is connected to the lower end of the angle plate, and the lower end of the support rod is connected to the upper end of the base.

Further, it also includes an extension rod and a hinge rod; the extension rod is arranged at the hinged end of the laser rangefinder; the hinge rod is perpendicular to the angle plate and points to the center end of the angle plate; the extension rod is hinged to the hinge rod .

Further, a pointer is also included; one end of the pointer is connected to the laser range finder, and the other end is a tip pointing to the angular scale line.

The inclined laser rangefinder proposed by the utility model can measure the oblique distance between the transmission line and the transmission line at the oblique bottom of the transmission line by setting the laser rangefinder obliquely and using it with the angle plate, and then obtain the distance between the transmission line and the transmission line through angle calculation. The vertical distance on the ground, when measuring the height of the transmission line in this way, it is no longer necessary for the measurement personnel to be under the transmission line, and it can be used in more environments.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the utility model inclined type laser range finder;

Fig. 2 is a structural schematic diagram after removing the inclination adjustment member in Fig. 1;

Fig. 3 is a structural schematic diagram of the base in Fig. 1;

Fig. 4 is a schematic diagram of the calculation principle of the utility model measuring the height of the transmission line to be measured;

Among them, 1. base; 2. laser rangefinder; 2.1, hinged end; 2.2, free end; 3, angle plate; 3.1, center end; 3.2, arc end; , angle scale line; 7, adjusting cap; 8, screw rod; 9, slider; 10, fixed bearing; 11, support rod; 12, extension rod; 13, hinged rod; 14, pointer; 15, transmission line.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In describing the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal" , "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or It should not be construed as limiting the invention by implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation.

In the description of the present utility model, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "setting" should be understood in a broad sense, for example, it can be fixed connection, setting, or It is detachably connected, set, or integrally connected, set. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

The inclined laser range finder shown in Figures 1, 2, and 3 includes a base 1, a laser range finder 2 and an angle plate 3;

The lower end of the base 1 is provided with an adjustment foot 4 for adjusting the level of the base 1, and the upper end of the base 1 is provided with a level bubble 5; the base 1 can be adjusted by combining the adjustment foot 4 with the level bubble 5, so that the upper end surface is kept horizontal to obtain accurate measurement result;

The angle plate 3 is arranged on the upper end of the base 1 and is perpendicular to it. The angle plate 3 includes a center end 3.1 and an arc end 3.2. The arc end 3.2 is marked with a space extension line and the base for indicating any point from the center end 3.1 to the arc end 3.2. 1 Angle scale line 6 of the size of the included angle formed at the upper end;

The laser range finder 2 includes a hinged end 2.1 and a free end 2.2; the hinged end 2.1 is perpendicular to the angle plate 3 and is hinged with the center end 3.1 of the angle plate 3; the free end 2.2 points to the arc end 3.2, and the laser range finder 2 uses the hinged end 2.1 is the rotation of the center of the circle in the vertical plane.

The inclined laser rangefinder also includes two inclination adjustment parts, the two inclination adjustment parts are respectively arranged on the hinged end 2.1 and the free end 2.2 of the laser rangefinder 2, of course, it can also be arranged near the hinged end 2.1 and the free end 2.2 2 sidewalls of the laser rangefinder; each inclination adjustment member includes an adjustment cap 7, a screw mandrel 8, a slider 9 and a fixed bearing 10; the screw mandrel 8 is vertically arranged, and its lower end is connected with the base 1 through a fixed bearing 10, and the upper end It is connected with the adjustment cap 7; the slider 9 is sleeved on the screw rod 8, and one side of the slider 9 is connected with the laser rangefinder 2. The screw rod 8 lead of the inclination adjustment part located at the hinged end 2.1 is larger than the lead screw 8 of the other inclination adjustment part. Thus, the adjusting cap 7 of the inclination adjusting member corresponding to the screw rod 8 with a large lead belongs to the coarse adjustment knob, and the adjusting cap 7 corresponding to the other inclination adjusting member belongs to the fine adjustment knob, and the corresponding slider when the coarse adjustment knob rotates one circle The moving distance of 9 is longer than the moving distance of slider 9 corresponding to one turn of the fine-tuning knob. When in use, the coarse adjustment knob can be used to adjust first, and then the fine adjustment knob can be used to adjust to improve the adjustment efficiency. During specific adjustment, the adjustment cap 7 is rotated, so that the screw rod 8 rotates accordingly, and the slider 9 is driven to move along the screw rod 8. That is to move up and down, thereby adjusting the height of the laser rangefinder 2, because the laser rangefinder 2 has the hinged end 2.1, so the laser rangefinder 2 rotates with the hinged end 2.1 as the center of the circle until the laser rangefinder 2 The laser emitting end ( That is, the free end 2.2) is irradiated on the transmission line 15 to be measured, and the measurement distance and corresponding angle at this time are recorded.

The inclined laser rangefinder also includes a support rod 11; the support rod 11 is vertically arranged, and its upper end is connected with the lower end of the angle plate 3, and the lower end of the support rod 11 is connected with the upper end of the base 1.

The inclined laser range finder also includes an extension rod 12 and a hinged rod 13; the extension rod 12 is located at the hinged end 2.1 of the laser range finder 2; the hinged rod 13 is perpendicular to the angle plate 3 and points to the center end 3.1 of the angle plate 3; The rod 12 is hinged to the hinge rod 13 . The setting of the extension rod 12 is more conducive to the rotation of the laser range finder 2. If the shell of the laser range finder 2 has been provided with a hinged seat at its hinged end 2.1, the extension rod 12 can no longer be provided, and only the hinged seat and the hinged rod need to be connected. 13 hinges get final product.

The inclined laser rangefinder also includes a pointer 14; one end of the pointer 14 is connected to the laser rangefinder 2, and the other end is a tip pointing to the angular scale line 6. It is easier to observe the angle corresponding to the light emitted by the laser emitting end of the laser rangefinder 2 through the pointer 14 . That is, the pointing of the pointer 14 and the light emitted by the laser emitting end are parallel lines in space and the plane formed is perpendicular to the angle plate 3 .

The calculation principle of the actual height H of the transmission line 15 to be measured is as shown in Figure 4. The distance data obtained by the laser rangefinder 2 from the transmission line 15 to be measured is L, and the distance data of the laser rangefinder 2 obtained by the angle plate 3 is The angle between the emitted light and the horizontal plane is α, and the value of H is L×sinα; through the inclined laser rangefinder of the present utility model, the measuring personnel do not need to be under the transmission line 15 to be measured, and the distance to be measured can be At a certain distance from the transmission line 15, the measurement is not affected by the environment.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications, the scope of the present invention is defined by the claims and their equivalents.

Claims (6)

1. A tilting laser range finder, characterized in that, comprises a base, a laser range finder and an angle plate; The lower end of the base is provided with adjusting feet for adjusting the level of the base, and the upper end of the base is provided with a vial; The angle plate is arranged on the upper end of the base and is perpendicular to it. The angle plate includes a center end and an arc end. The arc end is marked with a clip formed between the space extension line from the center end to any point of the arc end and the upper end of the base. Angular tick marks for angular size; The laser rangefinder includes a hinged end and a free end; the hinged end is perpendicular to the angle plate and hinged with the center end of the angle plate; the free end points to the arc-shaped end, and the laser rangefinder takes the hinged end as the center of the circle Rotate in a vertical plane. 2. The inclined laser range finder according to claim 1, characterized in that, it also includes two inclination adjustment parts, which are respectively located at the hinged end and the free end of the laser range finder; each said inclination adjustment part includes Adjusting cap, screw rod, slider and fixed bearing; the screw rod is vertically arranged, its lower end is connected with the base through the fixed bearing, and the upper end is connected with the adjusting cap; the slider is sleeved on the screw rod, and slides One side of the block is connected with a laser range finder. 3 . The tilting laser range finder according to claim 2 , wherein the screw lead of the tilt adjustment part located at the hinge end is larger than the screw lead of the other tilt adjustment part. 4 . 4. The inclined laser range finder according to claim 1, further comprising a support rod; the support rod is vertically arranged, its upper end is connected to the lower end of the angle plate, and the lower end of the support rod is connected to the upper end of the base. 5. The inclined laser rangefinder according to claim 1, further comprising an extension rod and a hinged rod; the extension rod is arranged at the hinged end of the laser rangefinder; the hinged rod is perpendicular to the angle plate And point to the center end of the angle plate; the extension rod is hinged with the hinge rod. 6. The tilting laser range finder according to claim 1, further comprising a pointer; one end of the pointer is connected to the laser range finder, and the other end is a tip pointing to the angular scale line.