CN2443325Y

CN2443325Y - Reflector for laser measuring distance

Info

Publication number: CN2443325Y
Application number: CN 00256151
Authority: CN
Inventors: 朱兆庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-10-24
Filing date: 2000-10-24
Publication date: 2001-08-15
Anticipated expiration: 2010-10-24

Abstract

The utility model relates to a reflecting device used for laser range finders, laser ranging all-station apparatuses for reflecting targets at the time of measuring the underground distance and the ground engineering distance. The reflecting device comprises a reflecting pole, a vertical line, a plummet ball and a self-locking device. The outer surface of the reflecting pole is covered with a fluorescent coating and an ordinary paint coating; both ends of the vertical line penetrating through the outer side of the reflecting pole are both remained with definite length, the lower end of the vertical line is connected with the plummet ball; the self-locking device is a closed or semi-closed structure which is eccentrically arranged in an inner cavity of the reflecting pole. The utility model has the advantages of simple and fast installation, convenient and easy operation and convenient carrying, eliminates the error of centralization of targets, increases the measurement range and is suitable for the measurement with measurement range within 300 meters.

Description

The reflection unit that is used for laser ranging

The utility model relates to down-hole, tunnel, adopts the reflection unit that standard, stope and ground surface works etc. utilize laser ranging.

In the past, there was following shortcoming in the reflection equipment that is used for laser ranging: volume, weight that (1) is arranged on the reflecting prism on the support are big, carry inconvenience; Need put or centring under point, leveling etc., troublesome poeration, waste time and energy.When (2) utilizing reflecting plate to measure, the operator needs reflecting plate dominated by hand and makes reflecting plate near the measuring point vertical line, and must make reflecting plate perpendicular to stadimeter, otherwise is difficult to guarantee distance accuracy.This reflecting plate is difficult to the centering target, thereby has prolonged Measuring Time owing to be easy to bump dynamic vertical, has increased operator's the work difficulty and the error of centralization, has reduced distance accuracy.

The purpose of this utility model is exactly to provide a kind of when 300 meters are measured with interior distance, can eliminate target the error of centralization, guarantee the reflection unit that is used for laser ranging of distance accuracy, it is time saving and energy saving, easy to carry that this device is operated.

In order to achieve the above object, technical solution of the present utility model is: the reflection unit that is used for laser ranging comprises reflection post, plumb bob, vertical line and self-locking device; This reflection post is that two ends are respectively equipped with and can be the right cylinder of cavity by center pit, the centre of vertical line; This self-locking device is sealing or the semi-closed structure that is arranged on eccentric throw 〉=2 millimeter at the position of matching in the reflection post inner chamber and with vertical line; This vertical line stretches out the outer all remaining certain-length in two ends of reflection post, and this vertical line lower end links with the plumb bob that is greater than or equal to reflection post weight; Be coated with fluorescent coating, common lacquer coat on the outside surface of this reflection post; The fluorescent coating of this reflection post is provided with the laser center sight line that is positioned on the same circumference.

The reflection post comprises hollow cylinder, upward stifled and following stifled, the uncovered and last stifled formation immovable fitting in this cylindrical upper end, and the uncovered and following stifled formation immovable fitting in this cylindrical lower end or the two are structure as a whole; Also be provided with on this reflection post the last stifled fixed screw that is fixed on the reflection post.

Go up the breach that stifled upper surface is provided with 2 dismounting screws symmetrically or is positioned at edge, the center pit that is located on the stifled lower surface is a bellmouth.

Self-locking device is the steel wire that is Ω shape, have the iron bar of hook or have the copper coin of through hole.

Be coated with the fluorescent coating that accounts for the 88-95% that reflects column length, the common lacquer coat that accounts for the 5-12% of reflection column length on the outside surface of reflection post.

This device is settled simple and fast, operates simple and easyly, is easy to carry; The reflection post moves up and down freely along vertical line, can any position self-locking on vertical line.Because the reflection post is directly to hang on the measuring point, thereby has eliminated the error of centralization of target.Because scribbling fluorescent, the outside surface of reflection post strengthens the reflection lacquer, increased ranging, be convenient to sight target, as long as even there is some laser to impinge upon on the reflection post, in the tunnel of dark, also can see very glittering target, and can only demonstrate to the distance of reflection post by eye, and can never the display background distance.Be used for laser range finder, laser ranging total powerstation reflectance target when the range observation of underworkings and ground surface works, ranging can reach 300 meters.In addition, on the suitable outside surface of reflection post, scribble common lacquer, can be used for in-plant measurement.

Below in conjunction with the drawings and specific embodiments the utility model is done explanation in further detail:

Description of drawings: Fig. 1 is the structural representation of this device

Fig. 2 is the A-A cut-open view among Fig. 1

Fig. 3 is used for the schematic diagram of laser ranging for this device

As seen from Figure 1, Figure 2, this device comprises reflection post 5, vertical line 1, plumb bob 7 and self-locking device, is coated with the fluorescent coating 4 of the 88-95% that accounts for the reflection column length and the common lacquer coat 11 of the 5-12% that accounts for the reflection column length on the outside surface of this reflection post; Also being provided with on the fluorescent coating 4 of reflection post 5 is positioned on the same circumference and the laser center sight line 10 bigger with the color distortion of fluoresent coating.

This reflection post 5 comprises hollow cylinder, upward blocks up 8 and down stifled 6, uncovered and the last stifled formation immovable fitting in this cylindrical upper end, also be provided with on the reflection post the last fixed screw 3 that is fixed on the reflection post that blocks up, the uncovered and following stifled formation immovable fitting in this cylindrical lower end or the two are structure as a whole; Should go up on stifled 8 and down stifled 6 and be respectively equipped with center pit 18,17, the center pit that is positioned on stifled 8 lower surfaces is a bellmouth.Upward stifled 8 upper surface also is provided with 2 or 4 breach of dismantling screws 2 or being positioned at edge symmetrically, and it is mainly used in to dismantle to go up and blocks up 8, so that vertical line 1 is installed.

This self-locking device is set for the eccentric in reflection post 5 inner chambers and the sealing or the semi-closed structure that match with vertical line 1.This self-locking device is the steel wire that is Ω shape, have the iron bar of hook or have the copper coin of through hole.Among Fig. 2, this self-locking device for eccentric be fixed on block up on 8 the lower surface and with one section steel wire 9 of its formation enclosed construction; Can certainly be other structure, as be fixed on stifled 8 lower surfaces or be fixed on iron bar or copper coin on the reflection post 5 inner chamber walls, and the hook on this iron bar or the through hole on the copper coin should depart from the center line that reflects post.Depart from the center line that reflects post 5 as long as satisfy the position that vertical line 1 matches with reflection unit.When the weight with the joining plumb bob 7 in vertical line 1 lower end is greater than or equal to the weight of reflection post 5, the eccentric throw at the position of matching with vertical line in this self-locking device 〉=2 millimeter.The roughness of weight, vertical line 1 and the center pit of the weight of the size of above-mentioned eccentric throw and plumb bob 7, reflection post 5 all has relation.The roughness of vertical line 1 or center pit 18,17 is big more, and above-mentioned eccentric throw is more little.The weight of plumb bob 7 is big more, and above-mentioned eccentric throw is more little.

The center section of this vertical line 1 passes the center pit 18 on stifled 8 earlier, and extends along the bellmouth face on the last stifled lower surface, walks around from the outer end of steel wire 9 again, passes down the center pit 17 on stifled 6 at last.Vertical line 1 stretches out the outer two ends of right cylinder and all wants remaining certain-length, and its upper end can link with measuring point 12 when range finding, and its lower end and plumb bob 7 link.This vertical line 1 can be cotton rope, nylon rope etc.

The principle of work of this self-locking device is: when vertical line 1 does not stress or only when the one end is stressed, vertical line is less for the friction force of reflection post 5, can move up and down like a cork.When the stressed vertically tension of vertical line 1, because the effect of the eccentric steel wire 9 that is provided with, the friction force of vertical line and center hole wall increases, and reflection post 5 locks on the vertical line 1 automatically.Experiment showed, that the condition that reflection post 5 can self-locking on vertical line 1 is: steel wire 9 allows the eccentric throw at the position that vertical lines 1 pass to want 〉=2 millimeters, the weight that is greater than or equals to reflect post 5 with the weight of the joining plumb bob 7 in vertical line lower end.

As shown in Figure 3, the principle of work of this reflection unit is: the upper end of vertical line 1 and measuring point 12 link, the laser axis 13 that is positioned at the laser range finder 15 on the theodolite telescope 16 is corresponding with the laser center sight line 10 on reflection post 5 outside surfaces, theodolite telescope 16 to look optical axis 14 corresponding with the lower end of reflecting post.Reflection post 5 is cylindric, and the center line of its center line and plumb bob 7 coincides, and the distance when plumb bob rotates between the outer cylinder surface of reflection post and laser range finder, the theodolite telescope does not change.Be provided with self-locking device in reflection post inner chamber, when vertical line 1 hypomere was lax, reflection post 5 glided automatically, and the reflection post pins automatically during the vertical line tension.A little upwards mention plumb bob 7, just relax the vertical line 1 that is tightened up, reflection post 5 is uncaged, and can easily go up the reflection post 5 of pushing on vertical line.Reflection post surface has fluorescent reflection lacquer 4, because fluorescent reflection lacquer can make reflected light strengthen, thereby has increased ranging, can reach 300 meters farthest; As there is not a fluorescent reflection lacquer coat, ranging≤40 meter.

Claims

1, the reflection unit that is used for laser ranging comprises reflection post (5), plumb bob (7), vertical line (1) and self-locking device; This reflection post is that two ends are respectively equipped with the center pit (18) (17) that can pass through vertical line (1), middlely are the right cylinder of cavity; This self-locking device is the sealing or the semi-closed structure of eccentric throw 〉=2 that are arranged on the position of matching in reflection post (5) inner chamber and with vertical line (1) millimeter; This vertical line (1) stretches out the outer all remaining certain-length in two ends of reflection post, and this vertical line lower end links with the plumb bob (7) that is greater than or equal to reflection post weight; Be coated with fluorescent coating (4), common lacquer coat (11) on the outside surface of this reflection post; The fluorescent coating of this reflection post (5) is provided with the laser center sight line (10) that is positioned on the same circumference.

2, the reflection unit that is used for laser ranging according to claim 1, it is characterized in that described reflection post (5) comprises hollow cylinder, goes up stifled (8) and blocks up (6) down, uncovered and the last stifled formation immovable fitting in this cylindrical upper end, the uncovered and following stifled formation immovable fitting in this cylindrical lower end or the two are structure as a whole; Also be provided with on this reflection post the last stifled fixed screw (3) that is fixed on the reflection post.

3, the reflection unit that is used for laser ranging according to claim 2, it is characterized in that the described upper surface of stifled (8) is provided with 2 breach of dismantling screws (2) or being positioned at edge symmetrically, the center pit (18) that is located on the stifled lower surface is a bellmouth.

4,, it is characterized in that described self-locking device is the steel wire that is Ω shape, has the iron bar of hook or have the copper coin of through hole according to claim 1, the 2 or 3 described reflection units that are used for laser ranging.

5, the reflection unit that is used for laser ranging according to claim 4, it is characterized in that being coated with on the outside surface of described reflection post (5) 88-95% that accounts for the reflection column length fluorescent coating (4), account for the common lacquer coat (11) of the 5-12% of reflection column length.

6, according to claim 1, the 2 or 3 described reflection units that are used for laser ranging, it is characterized in that being coated with on the outside surface of described reflection post (5) 88-95% that accounts for the reflection column length fluorescent coating (4), account for the common lacquer coat (11) of the 5-12% of reflection column length.