CN2392165Y

CN2392165Y - Laser theodolite

Info

Publication number: CN2392165Y
Application number: CN 99239834
Authority: CN
Inventors: 顾天放; 王源仁; 陈洪凯
Original assignee: SUZHOU FOIF CO Ltd
Current assignee: SUZHOU FOIF CO Ltd
Priority date: 1999-09-30
Filing date: 1999-09-30
Publication date: 2000-08-16
Anticipated expiration: 2009-09-30

Abstract

The utility model relates to a laser theodolite, which comprises a laser beam emitting apparatus and a telescope part, wherein, the laser beam emitting apparatus comprises a laser generator (4) and a focusing apparatus; the telescope part comprise an object lens group (1), a focusing lens group (2), an eye lens group (11) and a graticule group (10). The utility model is characterized in that a roof ridge half five square prism (3) is arranged between the focusing lens group (2) and the graticule group (10); a light entering prism (8) is fixed at the upper part of the larger surface (12) of the roof ridge half five square prism in a glued adhesion mode, and a steering prism (9) is fixed at the lower part of the larger surface (12) in a glued adhesion mode. The utility model can directly carry out visual observation and laser plumbing position observation through the telescope. The utility model has the advantage of convenient operation. An observed image is a positive image.

Description

Laser transit

The utility model relates to a kind of surveying instrument, particularly a kind of transit.

In the prior art, laser transit comprises laser beam emitter and telescope part, described laser beam emitter comprises laser generator, the focalizer that the laser beam that is used for that described laser generator is sent focuses on, described telescope partly comprises the objective lens that is positioned at the front portion, be positioned at the focusing lens group at middle part, be positioned at the eyepiece group at rear portion, the front portion of described eyepiece group is provided with the graticule group, described objective lens, the focusing lens group, the graticule group, the eyepiece group is positioned on the telescopical optical axis, between graticule group and focusing lens group, be provided with the square of two right-angle prism gummeds of usefulness of reflection and transmission effect, the video that its eyepiece place observes is an inverted image, can not directly visual observation target when opening laser, can not direct visual laser plumbing position.

The purpose of this utility model be to provide a kind of can from eyepiece observe just as laser transit.

The technical solution of the utility model is: a kind of laser transit, comprise laser beam emitter and telescope part, described laser beam emitter comprises laser generator, the focalizer that the laser beam that is used for that described laser generator is sent focuses on, described telescope partly comprises the objective lens that is positioned at the front portion, be positioned at the focusing lens group at middle part, be positioned at the eyepiece group at rear portion, the front portion of described eyepiece group is provided with the graticule group, described objective lens, the focusing lens group, the graticule group, the eyepiece group is positioned on the telescopical optical axis, be provided with ridge half five square glass prisms between described focusing lens group and the described graticule group, the top gummed of the big face on described ridge half five square glass prisms is fixed with into light prism; Describedly advance the light prism and be provided with first reflecting surface, described first reflecting surface the beam reflection that comes from laser generator to the direction of objective lens and light beam and telescopical light shaft coaxle after making reflection, describedly advance the light prism and be provided with light splitting surface, this light splitting surface is divided into two bundles to the first reflecting surface beam reflected, a branch of direction of light is before identical with the light splitting surface beam split, and another Shu Guang enters the ridge face on ridge half five square glass prisms; The bottom gummed of the big face on described ridge half five square glass prisms is fixed with and turns to prism, the described prism that turns to is provided with second reflecting surface, the reflection of this second reflecting surface comes from described ridge face beam reflected, light beam after described second reflecting surface reflection and telescopical light shaft coaxle and directive eyepiece prescription to.

The utility model compared with prior art has following advantage:

Can be by direct visual observation of telescope and laser plumbing position detection, easy to use, the video that is observed for just as.

The utility model will be further described below in conjunction with drawings and Examples:

Accompanying drawing 1 is a light path principle figure of the present utility model;

Accompanying drawing 2 is a structure cut-open view of the present utility model;

Accompanying drawing 3 for ridge half five square glass prisms, advance the light prism, the structural drawing when turning to prism to be fixed on the one;

Accompanying drawing 4 is the front view of ridge half five square glass prisms;

Accompanying drawing 5 is the front view of light prism into;

Accompanying drawing 6 is for turning to the front view of prism;

Accompanying drawing 7 is the right view of ridge half five square glass prisms;

Accompanying drawing 8 is the left view of ridge half five square glass prisms; Wherein:

[1], objective lens; [2], focusing lens group; [3], ridge half five square glass prisms; [4], laser generator; [5], the first focus lamp group; [6], right-angle prism; [7], the second focus lamp group; [8], advance the light prism; [9], turn to prism; [10], graticule group; [11], eyepiece group; [12], big face; [13], light splitting surface; [14], first inclined-plane; [15], first reflecting surface; [16], ridge face; [17], second reflecting surface; [18], ridge angle; [19], first angle; [20], second angle; [21], the 3rd angle; [22], the 4th angle; [23], the 5th angle; [24], facet; [25], advance the light face; [26], second inclined-plane;

Embodiment: referring to accompanying drawing, a kind of laser transit, comprise laser beam emitter and telescope part, described laser beam emitter comprises laser generator [4], be used for focalizer that the laser beam that described laser generator [4] is sent is focused on, described telescope partly comprises the objective lens [1] that is positioned at the front portion, be positioned at the focusing lens group [2] at middle part, be positioned at the eyepiece group [11] at rear portion, the front portion of described eyepiece group [11] is provided with graticule group [10], described objective lens [1], focusing lens group [2], graticule group [10], eyepiece group [11] is positioned on the telescopical optical axis, be provided with ridge half five square glass prisms [3] between described focusing lens group [2] and the described graticule group [10], the top gummed of the big face [12] on described ridge half five square glass prisms [3] is fixed with into light prism [8]; Describedly advance light prism [8] and be provided with first reflecting surface [15], described first reflecting surface [15] the beam reflection that comes from laser generator [4] to the direction of objective lens [1] and light beam and telescopical light shaft coaxle after making reflection, describedly advance light prism [8] and be provided with light splitting surface [13], this light splitting surface [13] is divided into two bundles to first reflecting surface [15] beam reflected, a branch of direction of light is before identical with light splitting surface [13] beam split, and another Shu Guang enters the ridge face [16] on ridge half five square glass prisms [3]; The bottom gummed of the big face [12] on described ridge half five square glass prisms [3] is fixed with and turns to prism [9], the described prism [9] that turns to is provided with second reflecting surface [17], this second reflecting surface [17] reflection comes from described ridge face [16] beam reflected, light beam and telescopical light shaft coaxle and directive eyepiece group [11] direction after described second reflecting surface [17] reflection.Specifically, advance light face [25] from the light beam of laser generator [4] perpendicular to what advance light prism [8], after first reflecting surface [15] reflection, to the light splitting surface that is coated with beam splitting coating [13], light beam is divided into two bundles, a branch of through telescopical focusing lens group [2], objective lens [1] projects on the target, another bundle enters ridge half five square glass prisms [3], after ridge face [16] reflection,, project on second reflecting surface [17] through turning to first inclined-plane [14] of prism [9], after this reflecting surface total reflection, through second inclined-plane [26], again by graduation version group [10], eyepiece group [11] enters the eye pupil of human eye.

Referring to accompanying drawing 3, accompanying drawing 4, accompanying drawing 7, accompanying drawing 8, ridge angle [18] on described ridge half five square glass prisms [3] is 90 degree, big face [12] on described ridge half five square glass prisms [3] is called first angle [19] with the facet [24] of the vertical direction in left side, and its angle is 59 degree.

Referring to accompanying drawing 5, described to advance light prism [8] be prism, and the described angle that advances between light face [25] and described first reflecting surface [25] that advances on the light prism [8] is called second angle [20], and its angle is 45 degree; The described angle that advances between light face [25] and the described light splitting surface [13] that advances on the light prism [8] is called the 3rd angle [21], and its angle is 31 degree.

Referring to accompanying drawing 6, the described prism [9] that turns to is four prisms, describedly turns to second reflecting surface [17] on the prism [9] and turns to the angle between first inclined-plane [14] on the prism [9] to be called the 4th angle [22], and its angle is 62; Describedly turn to second reflecting surface [17] on the prism [9] and turn to the angle between second inclined-plane [26] on the prism [9] to be called the 5th angle [23], its angle is 59 degree.

Referring to accompanying drawing 1, described focalizer comprises the first focus lamp group [5], right-angle prism [6], the second focus lamp group [7], described right-angle prism [6] is an isosceles right-angle prism, the optical axis of the optical axis of the described first focus lamp group [5] and the described second focus lamp group [7] is perpendicular, and a light beam that the described first focus lamp group [5] penetrates and a right angle face of described right-angle prism [6] are perpendicular.The laser beam that laser generator [4] sends forms directional light through the first focus lamp group [5], turnover 90 degree after the reflection of the inclined-plane of right-angle prism [6], being focused into the cross section through the second focus lamp group [7] again is the light beam of point-like substantially, impinges perpendicularly on into light prism [8].Be provided with the height that right-angle prism [6] can reduce the laser beam emitter.

Claims

1, a kind of laser transit, comprise laser beam emitter and telescope part, described laser beam emitter comprises laser generator [4], be used for focalizer that the laser beam that described laser generator [4] is sent is focused on, described telescope partly comprises the objective lens [1] that is positioned at the front portion, be positioned at the focusing lens group [2] at middle part, be positioned at the eyepiece group [11] at rear portion, the front portion of described eyepiece group [11] is provided with graticule group [10], described objective lens [1], focusing lens group [2], graticule group [10], eyepiece group [11] is positioned on the telescopical optical axis, it is characterized in that: be provided with ridge half five square glass prisms [3] between described focusing lens group [2] and the described graticule group [10], the top gummed of the big face [12] on described ridge half five square glass prisms [3] is fixed with into light prism [8]; Describedly advance light prism [8] and be provided with first reflecting surface [15], described first reflecting surface [15] the beam reflection that comes from laser generator [4] to the direction of objective lens [1] and light beam and telescopical light shaft coaxle after making reflection, describedly advance light prism [8] and be provided with light splitting surface [13], this light splitting surface [13] is divided into two bundles to first reflecting surface [15] beam reflected, a branch of direction of light is before identical with light splitting surface [13] beam split, and another Shu Guang enters the ridge face [16] on ridge half five square glass prisms [3]; The bottom gummed of the big face [12] on described ridge half five square glass prisms [3] is fixed with and turns to prism [9], the described prism [9] that turns to is provided with second reflecting surface [17], this second reflecting surface [17] reflection comes from described ridge face [16] beam reflected, light beam and telescopical light shaft coaxle and directive eyepiece group [11] direction after described second reflecting surface [17] reflection.

2, laser transit according to claim 1, it is characterized in that: the ridge angle [18] on described ridge half five square glass prisms [3] is 90 degree, big face [12] on described ridge half five square glass prisms [3] is called first angle [19] with the facet [24] of the vertical direction in left side, and its angle is 59 degree.

3, laser transit according to claim 1, it is characterized in that: described to advance light prism [8] be prism, the described angle that advances between light face [25] and described first reflecting surface [25] that advances on the light prism [8] is called second angle [20], and its angle is 45 degree; The described angle that advances between light face [25] and the described light splitting surface [13] that advances on the light prism [8] is called the 3rd angle [21], and its angle is 31 degree.

4, laser transit according to claim 1, it is characterized in that: the described prism [9] that turns to is four prisms, describedly turn to second reflecting surface [17] on the prism [9] and turn to the angle between first inclined-plane [14] on the prism [9] to be called the 4th angle [22], its angle is 62; Describedly turn to second reflecting surface [17] on the prism [9] and turn to the angle between second inclined-plane [26] on the prism [9] to be called the 5th angle [23], its angle is 59 degree.

5, laser transit according to claim 1, it is characterized in that: described focalizer comprises the first focus lamp group [5], right-angle prism [6], the second focus lamp group [7], described right-angle prism [6] is an isosceles right-angle prism, the optical axis of the optical axis of the described first focus lamp group [5] and the described second focus lamp group [7] is perpendicular, and a light beam that the described first focus lamp group [5] penetrates and a right angle face of described right-angle prism [6] are perpendicular.