CN104913697A - Protractor - Google Patents
Protractor Download PDFInfo
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- CN104913697A CN104913697A CN201510388527.0A CN201510388527A CN104913697A CN 104913697 A CN104913697 A CN 104913697A CN 201510388527 A CN201510388527 A CN 201510388527A CN 104913697 A CN104913697 A CN 104913697A
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- horizontal arm
- arm
- horizontal
- angle
- level
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a protractor comprising a horizontal arm and a rotary arm. The horizontal arm includes a level, and an angle dial is arranged at one end of the horizontal arm. The horizontal arm and the rotary arm are connected in a rotatable manner, and the connecting part of the horizontal arm and the rotary arm is in the position of the center line of the angle dial. The level is used to position whether the horizontal arm is horizontal. According to the protractor provided by the invention, the horizontal datum line of a horizontal line of a working surface to be tested is determined by the level on the horizontal arm, the rotary arm connected in a rotatable manner with the horizontal arm rotates up and down and thus overlaps with the slope or diagonal line of the working surface to be tested, and therefore, the angle of the working surface to be tested can be obtained by accurately reading the numerical value on the angle dial. The protractor is convenient and quick in operation, saves time and effort, and greatly improves the working efficiency. Moreover, the protractor provided by the embodiment of the invention is simple in structure, easy to carry, not easy to damage, and wide in scope of application.
Description
Technical field
The embodiment of the present invention relates to the angle measurement technique in Geological Engineering, particularly relates to a kind of angle square.
Background technology
At present, mining industry underground tunneling roadway majority is the acclive tunnel of band, during construction when it tunnels, need the angle, the rock stratum straight angle, roadway gradient etc. measuring tunnel bedding fault whether to meet the requirement of construction, thus be convenient to the exploitation etc. of geological exploration, colliery and non-ferrous metal mine.
In prior art, the survey instrument of conventional ore deposit mining roadway working surface angle is tilt gauge, its detailed process taken measurement of an angle is as follows: first the semicircle housing diameter place of tilt gauge is overlapped with on the inclined-plane or oblique line of workplace to be measured, when the suspension wire of accurate tilt gauge keeps vertical, check that Measurement scales line on the semicircle shell of tilt gauge is to obtain working surface angle numerical value to be measured.
But, in actual measurement, adopt tilt gauge to measure, but be easily subject to the windage of tunnel workplace, cause the suspension wire of tilt gauge easily to break, lose, thus cause the error that takes measurement of an angle larger.
Summary of the invention
The invention provides a kind of angle square, to realize the angle of Measurement accuracy ore deposit mining roadway workplace.
The invention provides a kind of angle square, this angle square comprises: horizontal arm and pivot arm, and described horizontal arm comprises level, and one end of described horizontal arm is provided with angle measuring calibration dish; Described horizontal arm and described pivot arm are rotatably connected, and the connecting portion of described horizontal arm and described pivot arm is in the position of center line of described angle measuring calibration dish; Described level is for locating described horizontal arm whether level.
In one embodiment of this invention, described angle square also comprises coupling shaft and nut; Described horizontal arm is connected with described pivot arm with described nut by described coupling shaft.
In one embodiment of this invention, the horizontal center position of described horizontal arm is provided with a cross middle line; Described level comprises transparent horizontal tube, in described transparent horizontal tube, location liquid is housed, and has an air bubble in the liquid of described location, for locating described horizontal arm whether level.
In one embodiment of this invention, described location liquid is water.
In one embodiment of this invention, the length of described transparent horizontal tube is less than the length of described horizontal arm.
In one embodiment of this invention, described level is a circle bubble.
In one embodiment of this invention, described angle measuring calibration dish is installed with the enlarging lens for amplifying the angle measuring calibration on described angle measuring calibration dish.
Angle square provided by the invention, the horizontal horizontal datum of workplace to be measured is determined by the level on horizontal arm, pivot arm simultaneously by being rotationally connected with horizontal arm rotates up and down, wherein, the connecting portion of this horizontal arm and this pivot arm is in the position of center line of angle measuring calibration dish, the inclined-plane of pivot arm and workplace to be measured or oblique line are overlapped, thus the numerical value of accurate read volume horn craving scale can obtain the angle of this workplace to be measured, it is convenient to operation, time saving and energy saving, improve work efficiency greatly; The angle square structure of the present embodiment is simple, easy to carry, not fragile, applied widely simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the front elevation of angle square embodiment one provided by the invention;
Fig. 2 is the vertical view of angle square embodiment one provided by the invention;
Fig. 3 is the left view of angle square embodiment one provided by the invention;
Fig. 4 is the structural representation of another embodiment of angle square provided by the invention.
Description of reference numerals:
10: horizontal arm;
20: pivot arm;
30: coupling shaft
40: nut;
110: level;
111: transparent horizontal tube;
112: location liquid;
113: air bubble;
120: angle measuring calibration dish;
130: cross middle line.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The angle square that the embodiment of the present invention provides, is intended to solve the technical matters that error that prior art chats mining roadway workplace uses tilt gauge to take measurement of an angle is larger.
With embodiment particularly, technical scheme of the present invention is described in detail below.These specific embodiments can be combined with each other below, may repeat no more for same or analogous concept or process in some embodiment.
Fig. 1 is the front elevation of angle square embodiment one provided by the invention, Fig. 2 is the vertical view of angle square embodiment one provided by the invention, Fig. 3 is the left view of angle square embodiment one provided by the invention, as shown in Figure 1-Figure 3, the angle square that the present embodiment provides comprises: horizontal arm 10 and pivot arm 20, this horizontal arm 10 comprises level 110, and one end of this horizontal arm 10 is provided with angle measuring calibration dish 120; This horizontal arm 10 is rotatably connected with this pivot arm 20, and the connecting portion of this horizontal arm 10 and this pivot arm 20 is in the position of center line of angle measuring calibration dish 120; This level 110 is for locating this horizontal arm 10 whether level.
Concrete, this horizontal arm 10 and pivot arm 20 can be made for stainless steel, plastics or wood, and the thickness of this horizontal arm 10 can be 3 millimeters to 5 millimeters, but not as limit.
Above-mentioned horizontal arm 10 comprises level 110, and this level 110 may be used for locating this horizontal arm 10 whether level, so that when surveying work face angle as with reference to benchmark.
One end of above-mentioned horizontal arm 10 is provided with angle measuring calibration dish 120, and the measurement range of this angle measuring calibration dish 120 can 0 degree to 90 degree, also can 0 degree to 180 degree, but not as limit.
Above-mentioned horizontal arm 10 can be rotationally connected with pivot arm 20, and the connecting portion of this horizontal arm 10 and this pivot arm 20 is in the position of center line of angle measuring calibration dish 120, namely this pivot arm 20 can rotate along the angle measuring calibration dish about 120 of horizontal arm 10, thus the concrete angle in surveying work face.
The angle square of the present embodiment is when specifically using, first angle square is placed on workplace to be measured, and draw out the inclined-plane or oblique line that need the workplace to be measured taken measurement of an angle, horizontal alignment is carried out by the level 110 on horizontal arm 10, determine workplace horizontal line benchmark to be measured, then by rotating pivot arm 20 up and down, make pivot arm 20 can be close to the inclined-plane of workplace to be measured or oblique line and overlap with it, thus the numerical value of read volume horn craving scale 120 obtain the angle of this workplace to be measured.
The angle square that the present embodiment provides, the horizontal horizontal datum of workplace to be measured is determined by the level on horizontal arm, pivot arm simultaneously by being rotationally connected with horizontal arm rotates up and down, wherein, the connecting portion of this horizontal arm and this pivot arm is in the position of center line of angle measuring calibration dish, the inclined-plane of pivot arm and workplace to be measured or oblique line are overlapped, thus the numerical value of accurate read volume horn craving scale can obtain the angle of this workplace to be measured, it is convenient to operation, time saving and energy saving, improve work efficiency greatly; The angle square structure of the present embodiment is simple, easy to carry, not fragile, applied widely simultaneously.
As a kind of possible embodiment of the present invention, on the basis of above-described embodiment, the present embodiment further optimizes the structure of angle square.Continue referring to Fig. 1-Fig. 3, in the present embodiment, above-mentioned angle square also comprises coupling shaft 30 and nut 40; Above-mentioned horizontal arm 10 is connected with above-mentioned pivot arm 20 with this nut 40 by this coupling shaft 30, so that horizontal arm 10 and pivot arm 20 can be rotationally connected, and provides convenience for repair demolition.Wherein, above-mentioned coupling shaft 30 is specifically as follows bolt or pin, but not as limit.
As the another kind of possible embodiment of the present invention, on the basis of above-described embodiment, the present embodiment further optimizes the structure of angle square.Fig. 4 is the structural representation of another embodiment of angle square provided by the invention, and as shown in Figure 4, in the present embodiment, the horizontal center position of above-mentioned horizontal arm 10 is provided with a cross middle line 130; Above-mentioned level 110 comprises transparent horizontal tube 111, location liquid 112 is housed in this transparent horizontal tube 111, an air bubble 113 is had in this location liquid 112, for locating this horizontal arm 10 whether level, it should be noted that, when air bubble 113 is positioned at cross middle line 130 place, show that this horizontal arm 10 is levels, otherwise, need the position by adjusting horizontal arm 10 to make this air bubble 113 be in cross middle line 130 place.
Concrete, in the present embodiment, above-mentioned location liquid can be water, but not as limit.
Optionally, in the present embodiment, the length of above-mentioned transparent horizontal tube 111 is less than the length of above-mentioned horizontal arm 10.Concrete, the length of this horizontal arm 10 is 10 centimetres, and the length of this transparent horizontal tube 111 is 4 centimetres, but does not limit with this.
Optionally, in the present embodiment, above-mentioned level 110 can be a circle bubble, thus convenient installation, structure is simple, and concrete, above-mentioned level 110 can be glass air level, plastics air level and metal air level etc., but not as limit.
As the another kind of possible embodiment of the present invention, on the basis of above-mentioned any embodiment, the present embodiment further optimizes the structure of angle square.Continue referring to Fig. 1-Fig. 4, in the present embodiment, above-mentioned angle measuring calibration dish 120 is installed with the enlarging lens (not shown) for the angle measuring calibration line on amplification quantity horn craving scale 120 and numerical value, to be amplified the angle measuring calibration line on angle measuring calibration dish 120 and numerical value by this enlarging lens (not shown), thus make staff can angular values quickly and accurately on identified amount horn craving scale 120.
The angle square that the present embodiment provides, the horizontal horizontal datum of workplace to be measured is determined by the level on horizontal arm, pivot arm simultaneously by being rotationally connected with horizontal arm rotates up and down, wherein, the connecting portion of this horizontal arm and this pivot arm is in the position of center line of angle measuring calibration dish, the inclined-plane of pivot arm and workplace to be measured or oblique line are overlapped, thus the numerical value of accurate read volume horn craving scale can obtain the angle of this workplace to be measured, it is convenient to operation, time saving and energy saving, improve work efficiency greatly; The angle square structure of the present embodiment is simple, easy to carry, not fragile, applied widely simultaneously.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (7)
1. an angle square, is characterized in that, comprising: horizontal arm and pivot arm, and described horizontal arm comprises level, and one end of described horizontal arm is provided with angle measuring calibration dish; Described horizontal arm and described pivot arm are rotatably connected, and the connecting portion of described horizontal arm and described pivot arm is in the position of center line of described angle measuring calibration dish; Described level is for locating described horizontal arm whether level.
2. angle square according to claim 1, is characterized in that, described angle square also comprises coupling shaft and nut;
Described horizontal arm is connected with described pivot arm with described nut by described coupling shaft.
3. angle square according to claim 2, is characterized in that, the horizontal center position of described horizontal arm is provided with a cross middle line; Described level comprises transparent horizontal tube, in described transparent horizontal tube, location liquid is housed, and has an air bubble in the liquid of described location, for locating described horizontal arm whether level.
4. angle square according to claim 3, is characterized in that, described location liquid is water.
5. angle square according to claim 4, is characterized in that, the length of described transparent horizontal tube is less than the length of described horizontal arm.
6. angle square according to claim 2, is characterized in that, described level is a circle bubble.
7. the angle square according to any one of claim 1-6, is characterized in that, described angle measuring calibration dish is installed with the enlarging lens for amplifying the angle measuring calibration on described angle measuring calibration dish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510388527.0A CN104913697A (en) | 2015-07-01 | 2015-07-01 | Protractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510388527.0A CN104913697A (en) | 2015-07-01 | 2015-07-01 | Protractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104913697A true CN104913697A (en) | 2015-09-16 |
Family
ID=54082967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510388527.0A Pending CN104913697A (en) | 2015-07-01 | 2015-07-01 | Protractor |
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| Country | Link |
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| CN (1) | CN104913697A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323237A (en) * | 2016-10-26 | 2017-01-11 | 贵州盘江精煤股份有限公司 | Simple angulometer for measuring mining drilling angle and operation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032642A (en) * | 1988-09-22 | 1989-05-03 | 李福饶 | Vernier type multipurpose drafting instrument |
| CN201078738Y (en) * | 2007-03-28 | 2008-06-25 | 阎满仓 | Sinciput strap type horizontal rule |
| CN201411033Y (en) * | 2009-06-05 | 2010-02-24 | 福建闽威水产实业有限公司 | Special prefabricated house with movable framework for fish raft |
| CN201444033U (en) * | 2009-06-12 | 2010-04-28 | 梁善江 | Staircase dip stick |
| CN204718520U (en) * | 2015-07-01 | 2015-10-21 | 淮南矿业(集团)有限责任公司 | Angle square |
-
2015
- 2015-07-01 CN CN201510388527.0A patent/CN104913697A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032642A (en) * | 1988-09-22 | 1989-05-03 | 李福饶 | Vernier type multipurpose drafting instrument |
| CN201078738Y (en) * | 2007-03-28 | 2008-06-25 | 阎满仓 | Sinciput strap type horizontal rule |
| CN201411033Y (en) * | 2009-06-05 | 2010-02-24 | 福建闽威水产实业有限公司 | Special prefabricated house with movable framework for fish raft |
| CN201444033U (en) * | 2009-06-12 | 2010-04-28 | 梁善江 | Staircase dip stick |
| CN204718520U (en) * | 2015-07-01 | 2015-10-21 | 淮南矿业(集团)有限责任公司 | Angle square |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323237A (en) * | 2016-10-26 | 2017-01-11 | 贵州盘江精煤股份有限公司 | Simple angulometer for measuring mining drilling angle and operation method thereof |
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Application publication date: 20150916 |
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| RJ01 | Rejection of invention patent application after publication |