Novel included angle pointing instrument

Abstract

The utility model discloses a novel included angle pointing instrument, which belongs to the technical field of detection tools, and has the following beneficial effects compared with the prior art: the novel included angle pointing instrument is used for paying off, is not influenced by the environment under a mine, can ensure the accuracy of detection, is simple and convenient to use, and comprises an included angle ruler, the included angle ruler comprises two ruler bodies which are connected in a hinged mode, one ends of the two ruler bodies are connected in a hinged mode, the included angle ruler further comprises two linear light sources, the two linear light sources are arranged at the ends, away from the hinged portion, of the two ruler bodies respectively, and light emitted by the linear light sources is parallel to the extending direction of the corresponding ruler bodies.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment technical field especially relates to a novel included angle pointing instrument. BACKGROUND

[0002] The calibration of the middle waist line in the underground is the daily work of the underground operation, at present, the traditional compass, total station instrument and other equipment are used to carry out the line laying calibration of the middle waist line in the underground, but the magnetic influence is produced in the place where the steel support and track are arranged in the underground, the precision of the compass is influenced, the line laying precision is influenced when the compass is used to lay the line, reference Figure 1 When the middle line calibration is carried out in the U-shaped curve, the points need to be given frequently, the line needs to be laid many times, the compass cannot be used to lay the line when the magnetic influence exists in the inside, and the total station instrument or the transit is used to lay the line, the field condition is poor due to the fact that the rubble is usually piled in the mine tunnel, and the instrument cannot be placed.

[0003] In order to solve the above problems, the staff improves the angle ruler to be the included angle pointing instrument in the working area where the steel support and track produce the magnetic influence, specifically, two laser pens are arranged on the two ruler bodies of the angle ruler, the light emitting directions of the laser pens are respectively parallel to the extension directions of the two ruler bodies, the light rays achieve the effect of the pointing calibration, the middle waist line in the underground is calibrated through the included angle pointing instrument, the included angle pointing instrument is not influenced by the magnetism, and the calibration precision can be guaranteed. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the above problems and provides a novel included angle pointing instrument.

[0005] In order to achieve the above object, the technical scheme of the utility model is as follows: a novel included angle pointing instrument, including the included angle ruler, the included angle ruler includes two ruler bodies connected through the hinge, one end of the two ruler bodies is connected through the hinge, two straight light sources are further included, the two straight light sources are arranged at the end parts of the two ruler bodies away from the hinge parts, and the light rays emitted by the straight light sources are parallel to the extension directions of the corresponding ruler bodies.

[0006] Further, the two straight light sources are arranged on the same side of the two ruler bodies.

[0007] Further, the end part of the ruler body is provided with a clamping assembly, the clamping assembly includes a connecting plate detachably fixedly connected with the ruler body and a clamping piece arranged on the connecting plate, and the straight light source is clamped and matched with the clamping piece.

[0008] Further, the end part of one ruler body is provided with a avoiding part, the other ruler body includes a mounting area corresponding to the avoiding part, and the connecting plate on the other ruler body is arranged in the mounting area.

[0009] Further, the connecting plate is further provided with an adjusting plate, the clamping piece is connected with the adjusting plate, a column is arranged between the adjusting plate and the connecting plate, the axis of the column is arranged perpendicularly to the connecting plate, and the adjusting plate and the connecting plate are rotationally matched through the column.

[0010] Further, the adjusting plate is provided with an arc-shaped hole around the column, and the connecting plate is provided with a screw rod corresponding to the arc-shaped hole.

[0011] Further, the column is integrally arranged with the adjusting plate, the connecting plate is provided with a second threaded hole and a second hole rotationally matched with the column, and the screw rod is arranged corresponding to the second threaded hole.

[0012] Further, the clamping piece is integrally arranged with the adjusting plate.

[0013] The novel angle pointing instrument has the following beneficial effects compared with the prior art: the novel angle pointing instrument is used for laying out, is not affected by the environment under the mine, can guarantee the accuracy of detection, and is simple and convenient to use, the angle ruler comprises two ruler bodies which are hingedly connected, one end of the two ruler bodies is hingedly connected, the two linear light sources are arranged at the end portions of the two ruler bodies away from the hinged portions, and the light emitted by the linear light source is parallel to the extension direction of the corresponding ruler body. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram when the centerline of the U-shaped curve is calibrated.

[0015] Figure 2 It is a schematic diagram of the overall structure of the novel angle pointing instrument. Figure 1 .

[0016] Figure 3 It is a schematic diagram of the overall structure of the novel angle pointing instrument. Figure 2 .

[0017] Figure 4 It is a schematic diagram of the overall structure of the novel angle pointing instrument. Figure 3 .

[0018] Figure 5 It is a schematic diagram of the connection structure of the laser pen and the clamping assembly in the novel angle pointing instrument.

[0019] Figure 6 It is a schematic diagram of the exploded structure of the clamping assembly in the novel angle pointing instrument. Figure 1 .

[0020] Figure 7 It is a schematic diagram of the exploded structure of the clamping assembly in the novel angle pointing instrument. Figure 2 .

[0021] Figure 8 The utility model discloses a novel angle pointing instrument middle carding assembly and ruler body disassembly structure schematic diagram.

[0022] In the drawing: 1, ruler body;10, avoiding part;11, first threaded hole;2, angle detection unit;3, straight light source;30, adjusting plate;301, arc hole;302, cylinder;303, clasp spring slot;31, carding piece;32, limiting piece;33, connecting plate;330, first hole;331, second hole;332, second threaded hole;34, first bolt;35, screw;36, limiting ring;37, limiting clasp spring. DETAILED DESCRIPTION

[0023] The utility model will be further explained in detail in combination with the drawings. The drawing is the simplified schematic diagram, just with the schematic way to explain the basic structure of the utility model, therefore it just shows the constitution related with the utility model.

[0024] Please refer to Figures 2-4 The technical scheme of the utility model is: a novel angle pointing instrument, including angle ruler, the angle ruler includes two ruler bodies 1 of articulated connection, the end of two ruler bodies 1 is articulatedly connected, still including two straight light sources 3, two straight light sources are arranged respectively in the end of two ruler bodies 1 away from articulated part, the light ray of straight light source 3 emission is parallel with the extension direction of corresponding ruler body 1.

[0025] Specifically, it needs to be explained that, refer to Figures 2-4 The angle ruler included in the present application is consistent with the angle ruler in prior art, and the ruler body 1 is a steel plate structure, the end of two ruler bodies is articulatedly connected, can be in Figure 2 The coincident state shown in the drawing and Figure 2 , Figure 4The angle scale used in the present application uses a digital angle scale in the prior art as a preferred embodiment, which includes an angle detection unit 2, the angle detection unit 2 includes a digital display screen, a rotary encoder and other structures, and can detect the angle through the angle detection unit 2 and display the angle on the digital display screen when the two scale bodies rotate around the hinge part, which is more convenient to use. The difference between the present application and the prior art is that a straight light source 3 is arranged at the end of each of the two scale bodies, and the straight light source 3 can be selected from existing devices such as a laser pen. The straight light source can emit light parallel to the extension direction of the scale body connected thereto. The light is used as an extension of the scale body itself. When in use, the extension line of one of the two scale bodies can be parallel to or coincided with the reference line, and the angle scale can be adjusted to the angle required to be projected. The light emitted by the straight light source on the other scale body can be used for laying out the line according to the direction of the projected light. This method will not be affected by the environment under the mine, and can ensure the accuracy of the detection and is simple and convenient to use.

[0026] Further, as a preferred embodiment, in actual application, the straight light sources can be arranged on the same side of the two scale bodies or on opposite sides. When arranged on opposite sides, the two scale bodies can be conveniently stored and combined to the state shown in Figure 3 . However, when the straight light sources are arranged on opposite sides of the two scale bodies, one of the straight light sources will be below the scale body when the goniometer is placed, which is not conducive to stable placement and storage. As a preferred embodiment, referring to Figures 3-4 , the two straight light sources 3 are arranged on the same side of the two scale bodies. It should be noted that when the angle scale uses a digital angle scale, the two straight light sources are arranged on the same side of the angle detection unit 2.

[0027] Further, as a specific embodiment, referring to Figure 8 , in order to facilitate the connection and fixation of the straight light source 3 with the scale body, the end of the scale body 1 is provided with a clamping assembly, the clamping assembly includes a connecting plate 33 which is detachably fixedly connected with the scale body 1 and a clamping piece 31 arranged on the connecting plate 33, and the straight light source 3 is clamped and matched with the clamping piece 31. As a specific embodiment, the specific structure of the clamping assembly is that it includes a connecting plate 33 which can be made of a plate body made of stainless steel, plastic or the like, and a first hole 330 is arranged at each corner position. Four first threaded holes 11 corresponding to the four first holes 330 are arranged on the scale body. A first bolt 34 is arranged in the first hole and is threadedly connected with the first threaded hole 11, so as to realize detachable fixed connection. The clamping piece 31 is arranged on the surface of the connecting plate. The straight light source 3 is a cylindrical laser pen, and the clamping piece 31 is a U-shaped clamping piece which is clamped and matched with the cylinder.

[0028] Further, as a preferred embodiment, referring to Figures 2-4The end of one ruler 1 is cut to form an avoiding part 10, and the other ruler 1 comprises a mounting area corresponding to the avoiding part, and the connecting plate 33 on the other ruler 1 is arranged on the mounting area. By the avoiding part 10, the connecting plate can be avoided, and the two rulers are convenient to store.

[0029] Further, as a preferred embodiment, referring to Figures 5-7 The adjusting plate 30 is further arranged on the connecting plate 33, the clamping piece 31 is connected with the adjusting plate 30, and a column 302 is arranged between the adjusting plate 30 and the connecting plate 33. The axis of the column 302 is arranged perpendicularly to the connecting plate 33, and the adjusting plate and the connecting plate are rotationally connected through the column 302. Specifically, the adjusting plate 30 is made of plastic or stainless steel, and the adjusting plate 30 is rotationally connected with the connecting plate through the column 302, so that the adjusting plate 30 and the connecting plate can be rotationally adjusted, the light projection direction of the linear light source clamped on the clamping piece can be adjusted, and it is ensured that the projection direction of the linear light source is parallel to the extension direction of the corresponding ruler.

[0030] Further, as a specific embodiment, referring to Figures 5-7 The arc-shaped hole 301 is arranged on the adjusting plate 30 around the column 302, and the screw rod 35 is arranged on the connecting plate 33 corresponding to the arc-shaped hole 301. Specifically, through the above arrangement, after the angle of the adjusting plate is adjusted, the position of the adjusting plate 30 can be locked by the screw rod 35 passing through the arc-shaped hole 301.

[0031] Further, as a preferred embodiment, referring to Figure 6 、 Figure 7 The column 302 is integrally arranged with the adjusting plate 30, the second threaded hole 332 and the second hole 331 rotationally connected with the column 302 are arranged on the connecting plate 33, and the screw rod 35 is arranged corresponding to the second threaded hole 332. Specifically, the column 302 is a cylindrical column, the end of which is provided with a clamping spring groove 303, the column is rotationally connected with the second hole 331, the end of the second hole is provided with a counterbore hole coaxial with the second hole, when the connecting plate and the adjusting plate are attached, the end of the column is inserted into the counterbore hole, the clamping spring groove 303 is located in the counterbore hole, the end of the column inserted into the counterbore hole is sleeved with a limiting ring 36, a limiting clamping spring is clamped in the clamping spring groove 303 to limit the limiting ring 36, and the limiting ring 36 is limited by the bottom of the counterbore hole, so that the column and the connecting plate are axially limited and connected.

[0032] Further, as a preferred embodiment, the clamping piece 31 is integrally arranged with the adjusting plate 30.

[0033] Obviously, the above embodiments are only examples for clearly illustrating the present application and are not intended to limit the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not required to be enumerated. The changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A new type of goniometer comprising a goniometric scale, the goniometric scale comprising two scale bodies (1) connected by a hinge, the two scale bodies (1) being connected by a hinge at one end, characterised in that, Two linear light sources (3) are arranged at the ends of the two rulers (1) away from the hinged part, and the linear light sources (3) emit light parallel to the extension direction of the corresponding ruler (1).

2. A novel goniometer according to claim 1, characterized in that, The two linear light sources (3) are arranged on the same side of the two rulers.

3. A novel goniometer according to claim 1, characterized in that, The end of the ruler (1) is provided with a clamping assembly, which comprises a connecting plate (33) detachably fixedly connected with the ruler (1) and a clamping piece (31) arranged on the connecting plate (33), and the linear light source (3) is clamped and matched with the clamping piece (31).

4. A novel goniometer according to claim 3, characterized in that, The end of one ruler (1) is provided with a cutaway part (10), and the other ruler (1) comprises a mounting area corresponding to the cutaway part, and the connecting plate (33) on the other ruler (1) is arranged in the mounting area.

5. A novel goniometer according to claim 4, characterized in that, An adjusting plate (30) is further arranged on the connecting plate (33), the clamping piece (31) is connected with the adjusting plate (30), and a column (302) is arranged between the adjusting plate (30) and the connecting plate (33), the axis of the column (302) is arranged perpendicularly to the connecting plate (33), and the adjusting plate and the connecting plate are rotationally matched through the column (302).

6. A novel goniometer according to claim 5, characterized in that An arc-shaped hole (301) is arranged around the column (302) on the adjusting plate (30), and a screw rod (35) corresponding to the arc-shaped hole (301) is arranged on the connecting plate (33).

7. A novel goniometer according to claim 6, characterized in that The column (302) is integrally arranged with the adjusting plate (30), a second threaded hole (332) and a second hole (331) rotationally matched with the column (302) are arranged on the connecting plate (33), and the screw rod (35) is correspondingly arranged in the second threaded hole (332).

8. A novel goniometer according to claim 7, characterized in that The clamping piece (31) is integrally arranged with the adjusting plate (30).

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