CN108801236A - A kind of mine laser indicator device - Google Patents

Abstract

The invention discloses a mining laser pointing device, which comprises a flameproof housing with a built-in flameproof cavity, a laser and a laser power supply placed in the flameproof cavity, and a lens placed on the flameproof housing Components and adjustment components; the lens assembly includes a focusing lens barrel, an objective lens and an eyepiece placed in the focusing lens barrel, and a field diaphragm is installed in front of the objective lens; The front side of the explosion shell is connected, and the emitting end of the laser is connected in the rotating sphere with clearance fit; the advantages of the present invention are that it is not only simple in structure and easy to use, but also ensures the accuracy of the centerline and waistline of the mine roadway. It provides a strong guarantee for the driving direction and slope control, and the economic effect is very good.

Description

A mining laser pointing device

technical field

The invention relates to a laser pointing device, in particular to a mining laser pointing device.

Background technique

The midline is the reference line to ensure that the mine roadway is constructed according to the design, and it is the basis for the standardization of mine safety and quality. The midline is very important in guiding the roadway excavation, especially in special links such as through and overpasses. Now the laser used The pointing instrument is a linear laser beam, which can only provide a basis for the center line, and the waist line can only be completed by manual wire drawing, which is troublesome and has large errors.

Contents of the invention

The object of the present invention is to provide a mining laser pointing device, which not only has a simple structure and is easy to use, but also ensures the accuracy of the centerline and waistline of the mine roadway, provides a strong guarantee for the control of the driving direction and slope, and has a good economic effect.

The technical solution of the present invention is: a mining laser pointing device, including a flameproof casing with a built-in flameproof cavity, a laser and a laser power supply placed in the flameproof cavity, and a laser power supply placed in the flameproof casing The lens assembly and the adjusting assembly on the lens assembly; the lens assembly includes a focusing lens barrel, an objective lens and an eyepiece placed in the focusing lens barrel, and a field diaphragm is installed in front of the objective lens; the focusing lens barrel rotates the sphere and The front sides of the flameproof housings are connected, and at the same time, the emitting end of the laser is connected in the rotating sphere with clearance fit.

As a preferred technical solution, it also includes a cylindrical fixing seat, and the adjustment assembly includes four adjustment knobs placed on the cylindrical fixing seat and respectively located at the upper, lower, left, and right positions. The inner side is in contact with the outer wall of the flameproof shell, adjusting the adjusting knobs on the left and right positions can make the flameproof shell move horizontally in the cylindrical fixed seat; adjusting the adjusting knobs on the upper and lower positions The flameproof enclosure can be moved in the longitudinal direction in the cylindrical fixed seat.

As a preferred technical solution, the front side of the flameproof casing seals the laser tube and the laser power supply of the laser inside the flameproof casing through flameproof glass.

As a preferred technical solution, the objective lens adopts a doublet lens composed of a concave lens and a convex lens, and the eyepiece adopts a symmetrical lens composed of two meniscus-shaped concave lenses.

As a preferred technical solution, the positive and negative wires of the laser are correspondingly connected to the positive and negative wires of the laser power supply.

As a preferred technical solution, the emitting end of the laser is connected with a loose fit in the rotating sphere and is fastened and fixed by a pressure ring.

As a preferred technical solution, the diameter of the field diaphragm is 0.6-1.0mm.

The advantages of the present invention are:

1. The invention not only has a simple structure and is convenient to use, but also ensures the accuracy of the center line and the waist line of the mine roadway, provides a strong guarantee for the control of the driving direction and slope, and has good economic effects.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and embodiment:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic diagram of the lens assembly of the present invention;

Among them: 1 flameproof shell, 2 laser, 3 laser power supply;

4 lens components, 41 focusing lens barrel, 42 objective lens, 43 eyepiece, 44 field diaphragm;

5. Rotating sphere, 6. Cylindrical fixed seat, 7. Adjustment knob.

Detailed ways

Embodiment: Referring to Fig. 1 and Fig. 2, a mine laser pointing device includes a flameproof housing 1 with a built-in flameproof cavity, a laser 2 and a laser power supply 3 placed in the flameproof cavity, and a laser power supply 3 placed in the flameproof cavity. The lens assembly 4 and the adjustment assembly on the flameproof housing 1; wherein the lens assembly 4 includes a focusing lens barrel 41, an objective lens 42 and an eyepiece 43 placed in the focusing lens barrel 41, and a field stop 44 is installed in front of the objective lens 42 The focusing lens barrel 41 is connected to the front side of the flameproof casing 1 by rotating the sphere 5, and the front side of the flameproof casing 1 seals the laser tube of the laser 2 and the laser power supply 3 inside the flameproof casing 1 through the flameproof glass At the same time, the emitting end of the laser 2 is connected to the rotating sphere 5 with a clearance fit and fixed by the pressure ring, and the positive and negative wires of the laser 2 are correspondingly connected with the positive and negative wires of the laser power supply 3 .

The present invention also includes a cylindrical fixed seat 6, wherein the adjustment assembly includes four adjustment knobs 7 placed on the cylindrical fixed seat 6 and located at the upper, lower, left and right positions respectively, and the inner ends of the adjustment knobs 7 are in contact with the partition On the outer wall of the explosion shell 1, adjusting the adjusting knob 7 on the left and right positions can make the flameproof shell 1 move horizontally in the cylindrical fixed seat 6; adjusting the adjusting knob 7 on the upper and lower positions can make The flameproof casing 1 moves along the longitudinal direction in the cylindrical fixed seat 6 .

Objective lens 42 of the present invention adopts the doublet lens that is made up of a concave lens and a convex lens, and eyepiece 43 adopts the symmetrical lens that is made up of two meniscus-shaped concave lenses, and the diameter of field diaphragm 44 is 0.6-1.0mm, improves laser The directionality of the beam compresses the divergence angle of the laser beam.

The above-mentioned embodiments only illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical ideas disclosed in the present invention should still be covered by the claims of the present invention.

Claims (7)

1. a kind of mine laser indicator device, which is characterized in that the explosion-proof casing including being built-in with explosion-proof chamber is placed in the flame proof The laser and Laser Power Devices of intracavitary, and the lens assembly and adjusting part that are placed on the explosion-proof casing；

The lens assembly includes focusing barrel, the object lens and eyepiece being placed in the focusing barrel, and is equipped with before object lens Field stop；The focusing barrel on front side of rotating sphere and the explosion-proof casing by being connected, while the hair of the laser Splaying is penetrated to be connected in the rotating sphere.

2. mine laser indicator device according to claim 1, which is characterized in that further include tubular fixed seat, the tune It includes four adjusting knobs for being placed in the tubular fixed seat and being located at upper and lower, left and right position, the tune to save component Section knob inner end contact on the explosion-proof casing outer wall, adjustment be located at left and right position on adjusting knob can make every Quick-fried shell moves in the horizontal direction in tubular fixed seat；The adjusting knob that adjustment is located on upper and lower position can make flame proof shell Body moves along the longitudinal direction in tubular fixed seat.

3. mine laser indicator device according to claim 1, which is characterized in that the front side of the explosion-proof casing by every The laser tube of laser and Laser Power Devices are sealed in inside explosion-proof casing by quick-fried glass.

4. mine laser indicator device according to claim 1, which is characterized in that the object lens are used by a concavees lens With a convex lens group at cemented doublet, the eyepiece uses saturating by the symmetric form that forms of concavees lens of two panels falcate Mirror.

5. mine laser indicator device according to claim 1, which is characterized in that the positive and negative polarity wire of the laser with The positive and negative polarity wire of the Laser Power Devices is correspondingly connected with.

6. mine laser indicator device according to claim 1, which is characterized in that match the transmitting splaying of the laser Conjunction is connected in rotating sphere and by trim ring clamping fixed.

7. mine laser indicator device according to claim 1, which is characterized in that a diameter of 0.6- of the field stop 1.0mm。