CN110132109B - Indicator for longitudinal display angle and use method thereof - Google Patents
Indicator for longitudinal display angle and use method thereof Download PDFInfo
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- CN110132109B CN110132109B CN201910502436.3A CN201910502436A CN110132109B CN 110132109 B CN110132109 B CN 110132109B CN 201910502436 A CN201910502436 A CN 201910502436A CN 110132109 B CN110132109 B CN 110132109B
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 27
- 230000008859 change Effects 0.000 abstract description 11
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000003245 coal Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
Abstract
The application provides an indicator for longitudinally displaying an angle and a use method thereof, wherein the indicator for longitudinally displaying the angle comprises an indication main body with an indication line on the surface and a measuring scale for converting the rotation angle of the indication main body in the circumferential direction into a linear length. The deflection state of the indication main body can be reflected by the relative rotation angle of the indication main body and the measurement scale; according to the method, the change of the transverse angle is expressed as the change of the longitudinal scale through the change of the linear length from the rotation angle of the circumferential direction to the measurement scale, so that the application can realize that the longitudinal use visible range is larger under the condition of higher measurement accuracy.
Description
Technical Field
The application relates to the technical field of mining measuring equipment, in particular to an indicator for longitudinally displaying angles and a using method thereof.
Background
In the related construction of the coal mine, due to the influence of geological structures, the angle of the coal stratum is continuously changed, on-site personnel need to master the angle of the coal stratum in real time and adjust the construction angle of a drilling machine or mining mechanical equipment in real time, if the angle of the coal stratum, the construction angle of the drilling machine, the angle after the installation of an anchor rod and the angle after the installation of an anchor cable cannot be rapidly measured, the on-site personnel cannot accurately adjust the construction angle of the drilling machine, and therefore the quality and the safety of the construction of a coal mine tunnel are seriously affected.
In engineering machinery such as a drilling machine and mining machinery, a relatively wide angle indicator is used at present, a pendulum indicator is used at the low end, and an electronic angle meter is used at the high end. In actual use, the low-end pendulum indicator is a lateral display angle, so that the actual indication value is not visible in a large range of angles in the longitudinal direction. The electronic angle meter has the problems of high price, high vibration sensitivity and the like.
CN207779314U discloses a multifunctional angle gauge for mine, which comprises a circular dial, a swinging rope, a pendulum bob, an I steel pipe, a nut group, an II steel pipe, a bolt, angle steel, a telescopic rod and a stay wire; the nut group is formed by sequentially overlapping a plurality of nuts with diameters which are sequentially increased from bottom to top, and the axes of the nuts are overlapped; wherein the circular dial is vertically arranged; the upper end of the swinging rope is fixed with the front center of the circular dial, and the length of the swinging rope is larger than the radius of the circular dial; the pendulum bob is hung at the lower end of the pendulum rope; the I steel pipe is vertically fixed on the upper part of the back surface of the circular dial, and the upper end surface of the I steel pipe exceeds the edge of the circular dial. The precision of this application angle test all relies on the angle that the pendulum rope was instructed on circular calibrated scale, because the calibrated scale is circular setting, and the pendulum rope is circular motion on the calibrated scale, and pendulum rope and calibrated scale all are the level setting, in actual use like this, for horizontal display angle, unable vertical display, and if job site vibration is great when, can produce very big influence to the angle indication precision of pendulum rope.
Disclosure of Invention
In order to solve the technical problem, the application provides an indicator for displaying angles longitudinally and a use method thereof, wherein the indicator for displaying angles longitudinally comprises an indication main body with an indication line on the surface and a measuring scale for converting the rotation angle of the indication main body in the circumferential direction into a linear length. The indication lines are in linear correspondence relative to the rotation angle, namely scale lines on the representative measurement scale are in one-to-one correspondence with the indication lines, and the situation of one-to-many is eliminated. The deflection state of the indication main body can be reflected by the relative rotation angle of the indication main body and the measurement scale; according to the method, the change of the transverse angle is expressed as the change of the longitudinal scale through the change of the linear length from the rotation angle of the circumferential direction to the measurement scale, so that the application can realize that the longitudinal use visible range is larger under the condition of higher measurement accuracy.
Further, the measuring scale is arranged on the outer side of the indication main body, the measuring scale is arranged in parallel with the axis of the indication main body, the measuring scale is hinged with the central shaft of the indication main body through a rotating shaft frame, and the rotating shaft frame is perpendicular to the measuring scale. The rotating frame itself has mass eccentricity and can rotate around the central shaft of the indication main body, and the measuring scale can move relative to the indication main body through the arrangement of the rotating frame, namely the indication main body rotates relative to the measuring scale.
Further, the indication main body is connected with the movable workpiece through a fixing frame, the fixing frame is arranged on the outer sides of the indication main body and the measuring scale, and the fixing frame is connected with the central shaft of the indication main body through a bolt. The setting of mount makes mount and instruction main part be synchronous rotary motion, and the setting of mount makes whole device easily with the installation of activity work piece, facilitates the use.
Further, the bolt includes first connecting portion, second connecting portion and the third connecting portion that link to each other in proper order, first connecting portion one end links to each other with the center pin that instructs the main part, the second connecting portion with pivot frame hinged connection, the third connecting portion links to each other with the mount, the one end that the second connecting portion was kept away from to the third connecting portion is provided with the bolt head. The bolt of this application realizes different connected functions through different connecting portions, utilizes the structure of bolt to link together instruction main part, pivot frame and mount, and can also keep instructing main part and pivot frame to do relative motion.
Further, the upper end of the rotating shaft frame is provided with a first through hole matched with the second connecting part, the lower end of the rotating shaft frame is also provided with a protecting frame, the protecting frame is arranged at the bottom of the indication main body, and the protecting frame is connected with the lower end of the rotating shaft frame through a longitudinal beam. The pivot frame in this application adopts the cross form, and the longeron of one end can play the eccentric distance effect, and the fender bracket plays eccentric effect on the one hand for pivot frame and instruction main part keep relative motion, on the other hand, the protection frame sets up and indicates main part bottom to play certain guard action to the instruction main part.
Further, the fixing frame comprises a fixing main frame, two ends of the fixing main frame are respectively and vertically connected with a side wing frame, the fixing main frame is arranged on the outer side of the axial direction of the indication main body, the side wing frame is connected with the central shaft through the bolt, and a second through hole for the third connecting part to pass through is formed in the side wing frame; and an observation hole matched with the measuring scale is formed in the fixed main frame.
Further, the bolt head is a hexagonal bolt head, the cross section area of the second through hole is larger than the cross section area of the third connecting part, and the cross section area of the second through hole is smaller than the cross section area of the hexagonal bolt head; the locating plate comprises a third through hole matched with the hexagonal bolt head, an adjusting groove matched with the third through hole is further formed in the locating plate, and the adjusting groove is fixedly connected with the side wing frame through a screw. The position of the bolt on the flank frame can be adjusted and limited by the locating plate, and the function of fixing the indication main body can be achieved on the other hand.
The application also discloses a use method comprising the indicator, which comprises the following steps:
s1, arranging a plurality of indication lines on the periphery of an indication main body, and determining the scales of a measurement scale according to the indication lines;
s2, connecting the indication main body with the movable workpiece to enable the indication main body and the movable workpiece to synchronously rotate, and enabling the indication main body and the measuring staff to relatively move;
s3, reading an initial scale and a final scale on the measuring scale, and determining the rotation angle of the movable workpiece.
The indication line on the indication main body is a uniform spiral line, and the measuring scale on the rotating shaft frame is equally divided into a plurality of scale lines on the distance equal to the cylinder, so that the scale lines corresponding to the intersection points of the indication line and the edges of the measuring scale correspond to the absolute deflection angles of the indication main body one by one, and the longitudinal deflection angles of the movable workpiece can be read out.
Further, the setting method of the indication line comprises the steps of equally dividing the circumference line at one end of the indication main body by n, including the end points at two ends of the circumference line, setting n+1 equally divided points on the circumference line, and orderly arranging the n+1 equally divided points on the circumference line at two ends of the indication main body in an staggered manner from the end point at one end of the circumference line; starting from one end point, sequentially connecting n+1 equal dividing points end to form n end-to-end indicating lines; n is a number divisible by 360; the measuring scale is parallel to the axis of the indication main body, the rotation angle of the indication main body is 360/n from one end to the other end of the measuring scale, and the measuring scale lines are uniformly distributed on the measuring scale.
Further, n is 4, the rotation angle of the indication main body is represented by the measurement scale from one end to the other end, 9 measurement scale lines are uniformly arranged on the measurement scale, the length between the adjacent measurement scale lines represents the rotation angle of the indication main body to be 10 degrees, and the rotation angle of the indication main body is represented by the scale lines which are overlapped with the scales of the measurement scale according to the indication lines.
The application also discloses the application of any indicator in the mining mechanical equipment using the angle measuring instrument.
The beneficial effects of this application are as follows:
1. the deflection state of the indication main body can be reflected by the relative rotation angle of the indication main body and the measurement scale;
2. the transverse angle change is expressed as the longitudinal scale change by converting the rotation angle in the circumferential direction to the linear length change on the measuring scale;
3. the rotating frame has eccentric mass and can rotate around the central shaft of the indication main body, and the arrangement of the rotating frame enables the measurement scale to move relatively to the indication main body, namely the indication main body rotates relatively to the measurement scale;
4. according to the device, the fixing frame is arranged, so that the fixing frame and the indication main body do synchronous rotary motion, the whole device is easy to install with the movable workpiece, and the device is convenient to use;
5. the bolt realizes different connection functions through different connection parts, the indication main body, the rotating shaft frame and the fixing frame are connected together through the structure of the bolt, and the indication main body and the rotating shaft frame can be kept to do relative movement;
6. the rotating shaft frame in the application adopts a cross frame form, a longitudinal beam at one end can play a role in eccentricity, the protecting frame plays a role in eccentricity on one hand, so that the rotating shaft frame and the indicating main body keep relatively moving, and on the other hand, the protecting frame is arranged at the bottom of the indicating main body to play a certain role in protecting the indicating main body;
7. the positioning plate is used for adjusting and limiting the position of the bolt on the side wing frame, and on the other hand, the positioning plate can play a role in fixing the indication main body;
8. the application is purely mechanical, simple in structure, low in price, easy to use and maintain, and large in longitudinal use visible range, and the precision can be equivalent to that of a common pendulum indicator.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic view of an indicator of the present application;
FIG. 2 is a schematic view of another indicator of the present application;
FIG. 3 is a top view of the indicator of FIG. 2;
FIG. 4 is a schematic view of the structure of the rotating frame in the present application;
FIG. 5 is a top view of the turret of FIG. 4;
FIG. 6 is a schematic view of a bolt of the present application;
FIG. 7 is a schematic view of a positioning plate according to the present application;
fig. 8 is a schematic view illustrating an arrangement of an indication line on an indication body in the present application.
Detailed Description
In order to more clearly illustrate the general concepts of the present application, a detailed description is provided below by way of example in connection with the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced otherwise than as described herein, and thus the scope of the present application is not limited by the specific embodiments disclosed below.
In addition, in the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," etc. indicate or refer to an azimuth or a positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Example 1
An indicator for displaying an angle longitudinally, as shown in fig. 1, includes an indicating body 1 provided with an indicating line 11 on a surface thereof, and a measuring scale 2 converting a rotation angle of the indicating body 1 in a circumferential direction into a linear length.
When the device is used, the indication main body 1 is connected with the movable workpiece, the indication main body 1 and the movable workpiece synchronously rotate, the indication main body 1 rotates relative to the measuring scale 2, the indication line 11 is arranged on the surface of the indication main body 1, the indication line 11 changes along with the rotation of the indication main body 1, the change of the indication line 11 can be reflected according to scales on the measuring scale 2, the transverse angle swing is displayed on the longitudinal scale, and the main principle is that the circular motion is marked on a straight line.
It can be understood that in this embodiment, the indication body 1 rotates along with the movable workpiece, the measuring scale 2 is in a relatively stationary state, or the measuring scale 2 rotates along with the movable workpiece, so as to indicate that the indication body 1 is in a relatively stationary state.
It will be appreciated that in this embodiment, the indication body 1 may be cylindrical, and may be in a specific shape such as a cone, a cuboid, a cube, etc. if practical.
It will be appreciated that in this embodiment the indicator line 11 on the indicator body 1 and the scale line of the measurement scale 2 are co-operating.
It can be understood that in this embodiment, the position relationship between the indication body and the measurement scale is that the measurement scale may be disposed on the outer side of the indication body, or may be disposed on the inner side of the indication body, so long as the indication body and the measurement scale are relatively displaced, and the rotation angle of the indication body is measured by using the measurement scale.
Example 2
In this embodiment, on the basis of embodiment 1, the structure of the indicator is further described, as shown in fig. 2-6, the measuring scale 2 is hinged to the central axis of the indication body 1 through a rotating shaft frame 3, and the rotating shaft frame 3 is perpendicular to the measuring scale 2. The indication main body 1 is connected with the movable workpiece through a fixing frame 4, the fixing frame 4 is arranged on the outer sides of the indication main body 1 and the measuring scale 2, and the fixing frame 4 is connected with the central shaft of the indication main body 1 through a bolt 5.
The bolt 5 comprises a first connecting part 51, a second connecting part 52 and a third connecting part 53 which are connected in sequence, one end of the first connecting part 51 is connected with the central shaft of the indication main body 1, the second connecting part 52 is hinged with the rotating shaft frame 3, the third connecting part 53 is connected with the fixing frame 4, and one end, far away from the second connecting part 52, of the third connecting part 53 is provided with a bolt head 54.
The upper end of the rotating shaft frame 3 is provided with a first through hole 31 matched with the second connecting part 52, the lower end of the rotating shaft frame 3 is also provided with a protecting frame 32, the protecting frame 32 is arranged at the bottom of the indicating main body 1, and the protecting frame 32 is connected with the lower end of the rotating shaft frame 3 through a longitudinal beam 33.
The fixing frame 4 comprises a fixing main frame 41, two ends of the fixing main frame 41 are respectively and vertically connected with a side wing frame 42, the fixing main frame 41 is arranged on the outer axial side of the indication main body 1, the side wing frame 42 is connected with a central shaft through a bolt 5, and a second through hole for a third connecting part 53 to pass through is formed in the side wing frame 42; the fixed main frame 41 is provided with an observation hole 411 which is matched with the measuring scale 2.
When the movable workpiece is used, the movable workpiece is connected with the fixed frame 4, the fixed frame 4 is fixedly connected with the indication main body 1 through the first connecting part 51 in the bolt 5, so that the movable workpiece drives the fixed frame 4 to further drive the indication main body 1 to synchronously rotate, the fixed frame 4 generates angle change in the direction parallel to the axis of the indication main body 1, the indication main body 1 is synchronous with the fixed frame 4, the measuring staff 2 is hinged with the second connecting part 52 through the rotating shaft bracket 3, and the rotating shaft bracket 3 generates relative rotation with the indication main body 1 due to the eccentric action, when the sliding resistance of the central shaft of the indication main body 1 is not timed, the relative rotation angle of the indication main body 1 is equal to the absolute rotation angle, and the longitudinal deflection angle of the movable workpiece is read out by using the measuring staff 2.
It should be understood that the measuring scale in this embodiment may not be parallel to the axis of the indicating body, as long as the projection of the measuring scale on the indicating body is parallel to the axis of the indicating body.
It will be appreciated that in the present application two measuring scales 2 are symmetrically arranged on both sides of the axis of the indicating body 1, so that the values can be read in both directions.
It will be appreciated that in this embodiment, the fixed frame 4 and the indication body 1 are synchronously moved, or may be out of synchronization, i.e. the movable workpiece is only connected to the central axis of the indication body 1, the indication body 1 is rotated, and the fixed frame 4 and the rotating shaft frame 3 are relatively stationary.
It will be appreciated that, for the sake of measurement accuracy and convenience, the length of the measurement scale 2 in this embodiment is equal to the length of the indication body 1, and the distance between the measurement scale 2 and the surface of the indication body 1 cannot be too large, otherwise the accuracy of the reading will be affected.
It can be understood that, in this embodiment, since the fixing frame 4 is outside the measuring scale 2 and the fixing frame 4 is rotated along with the indication body 1, the observation hole 411 is provided on the fixing main frame 41.
Example 3
In this embodiment, on the basis of embodiment 2, the structure of the indicator is further described, as shown in fig. 2 and 7, the bolt head 54 is a hexagonal bolt head 541, the cross-sectional area of the second through hole is larger than the cross-sectional area of the third connecting portion 53, and the cross-sectional area of the second through hole is smaller than the cross-sectional area of the hexagonal bolt head 541; the outside of flank frame 42 is provided with locating plate 6, and locating plate 6 includes the third through-hole 61 that sets up with the cooperation of hexagonal bolt head 541, still is provided with the adjustment tank 62 that sets up with the cooperation of third through-hole 61 on the locating plate 6, and adjustment tank 62 passes through the screw and links firmly with flank frame 42.
In this embodiment, when the positioning device is used, the spindle bracket 3 is disposed on the outer side of the indication main body 1, the fixing frame 4 is disposed on the outer side of the spindle bracket 3, the bolt 5 sequentially passes through the second through hole and the first through hole 31 and is connected with the central shaft of the indication main body 1, the hexagonal bolt head 541 is clamped on the outer side of the second through hole, if the height of the spindle bracket 3 and the indication main body 1 on the fixing frame 4 is to be adjusted according to actual conditions, the third through hole 61 on the positioning plate 6 is clamped on the hexagonal bolt head 541, so that the hexagonal bolt head 541 cannot move up and down and left and right on the horizontal plane in the third through hole 61, and only can do clamping or taking out movement along the vertical direction, the height of the indication main body 1 is adjusted by utilizing the moving positioning plate 6, and after the position is determined, the hexagonal bolt passes through the adjusting groove 62 and is fixedly connected with the side wing plate.
It will be appreciated that the shape of the adjustment slot 62 is used in this application to adjust not only the height of the circulation tube on the flanks, but also the left and right positions.
Example 4
The embodiment describes the use method of the indicator in detail, which includes:
s1, arranging a plurality of indication lines 11 on the periphery of an indication main body 1, and determining the scales of a measurement scale 2 according to the indication lines 11;
s2, connecting a central shaft of the indication main body 1 with the movable workpiece, so that the indication main body 1 and the movable workpiece do synchronous rotary motion, and the indication main body 1 and the measuring scale 2 do relative motion;
s3, reading an initial scale and a final scale on the measuring scale 2, and determining the rotation angle of the movable workpiece;
the setting method of the indication line 11 includes that n equally dividing the circumference line at one end of the indication main body 1, including the end points at two ends of the circumference line, setting n+1 equally dividing points on the circumference line, and sequentially setting n+1 equally dividing points on the circumference line at two ends of the indication main body 1 in an staggered manner from the end point at one end of the circumference line; starting from one end point, n+1 equal dividing points are sequentially connected end to form n end-to-end indicating lines 11; n is a number divisible by 360; the measuring scale is parallel to the axis of the indication main body, the rotation angle of the indication main body is 360/n from one end to the other end of the measuring scale, and the measuring scale lines are uniformly distributed on the measuring scale.
As shown in fig. 8, n is 4, the measuring scale 2 represents that the rotation angle of the indicating body 1 is 90 ° from one end to the other end, 9 measuring scale lines are uniformly arranged on the measuring scale, the length between adjacent measuring scale lines represents that the rotation angle of the indicating body is 10 °, the rotation angle of the indicating body is represented according to the scale line of the indicating line overlapping with the scale of the measuring scale, and the rotation angle of the indicating body 1 is represented according to the scale line of the indicating line 11 overlapping with the scale of the measuring scale 2. The circumference of the indication main body 1 is unfolded to show that the intersection of the shadow surface and the blank surface forms four indication lines 11, the width of the shadow surface is the width of the cylinder, the indication lines 11 divide the circumference into four parts, namely 360 degrees into four parts, one indication line 11 represents 0-90 degrees from one end to the other end, when the indication main body 1 rotates for a certain angle, the indication lines 11 generate corresponding intersection points in the width direction relative to a certain fixed position, and the corresponding intersection points are reflected on the right measuring scale 2, so that the rotating relative angle value can be easily read.
It is to be understood that, in order to achieve measurement with different accuracy, the present application may be to actively attach an indicator such as a sticker with an indicator line 11 on the outside of the indication body 1.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.
Claims (3)
1. An indicator for displaying an angle longitudinally, characterized by comprising an indication body provided with an indication line on a surface thereof and a measurement scale for converting a rotation angle of the indication body in a circumferential direction into a linear length;
the measuring scale is arranged on the outer side of the indication main body, the measuring scale is arranged in parallel with the axis of the indication main body, the measuring scale is hinged with the central shaft of the indication main body through a rotating shaft bracket, and the rotating shaft bracket is arranged vertically to the measuring scale;
the indicating main body is connected with the movable workpiece through a fixing frame, the fixing frame is arranged on the outer sides of the indicating main body and the measuring scale, and the fixing frame is connected with a central shaft of the indicating main body through a bolt;
the bolt comprises a first connecting part, a second connecting part and a third connecting part which are sequentially connected, one end of the first connecting part is connected with a central shaft of the indication main body, the second connecting part is hinged with the rotating shaft frame, the third connecting part is connected with the fixing frame, and one end of the third connecting part far away from the second connecting part is provided with a bolt head;
the upper end of the rotating shaft frame is provided with a first through hole matched with the second connecting part, the lower end of the rotating shaft frame is also provided with a protection frame, the protection frame is arranged at the bottom of the indication main body, and the protection frame is connected with the lower end of the rotating shaft frame through a longitudinal beam;
the fixing frame comprises a fixing main frame, two ends of the fixing main frame are respectively and vertically connected with a side wing frame, the fixing main frame is arranged on the outer side of the indication main body, the side wing frame is connected with the central shaft through the bolt, and a second through hole for the third connecting part to pass through is formed in the side wing frame; an observation hole matched with the measuring scale is formed in the fixed main frame;
the bolt head is a hexagon bolt head, the cross section area of the second through hole is larger than that of the third connecting part, and the cross section area of the second through hole is smaller than that of the hexagon bolt head; the locating plate comprises a third through hole matched with the hexagonal bolt head, an adjusting groove matched with the third through hole is further formed in the locating plate, and the adjusting groove is fixedly connected with the side wing frame through a screw.
2. A method of using the indicator of claim 1, comprising:
s1, determining scales of a measuring scale according to an indication line, wherein the setting method of the indication line comprises the steps of equally dividing a circumferential line at one end of an indication main body by n, including end points at two ends of the circumferential line, including n+1 equally divided points, sequentially setting the n+1 equally divided points on the circumferential line at two ends of the indication main body in a staggered manner from the end point of one end of the circumferential line, and sequentially connecting the n+1 equally divided points end to end from the end point of one end to form n end-to-end connected indication lines; n is a number divisible by 360; the measuring scale is arranged in parallel with the axis of the indication main body, the rotating angle of the indication main body is 360 degrees/n from one end to the other end, and measuring scale marks are uniformly arranged on the measuring scale;
s2, connecting the indication main body with the movable workpiece to enable the indication main body and the movable workpiece to synchronously rotate, and enabling the indication main body and the measuring staff to relatively move;
s3, reading an initial scale and a final scale on the measuring scale, and determining the rotation angle of the movable workpiece.
3. The use method according to claim 2, wherein n is 4, the measuring scale represents that the rotation angle of the indication body is 90 ° from one end to the other end, 9 measuring graduation lines are uniformly arranged on the measuring scale, the length between adjacent measuring graduation lines represents that the rotation angle of the indication body is 10 °, and the rotation angle of the indication body is represented according to the measuring graduation line which coincides with the graduation of the measuring scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502436.3A CN110132109B (en) | 2019-06-11 | 2019-06-11 | Indicator for longitudinal display angle and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502436.3A CN110132109B (en) | 2019-06-11 | 2019-06-11 | Indicator for longitudinal display angle and use method thereof |
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| CN110132109A CN110132109A (en) | 2019-08-16 |
| CN110132109B true CN110132109B (en) | 2024-01-23 |
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| CN106679548A (en) * | 2017-01-20 | 2017-05-17 | 徐工集团工程机械有限公司 | Device and method for detecting deflection angle of fan nozzle of cleaning sweeper truck and method for adjusting deflection angle of fan nozzle of cleaning sweeper truck |
| CN206177286U (en) * | 2016-11-04 | 2017-05-17 | 杭州巨星科技股份有限公司 | Angle indication level bar |
| CN209894105U (en) * | 2019-06-11 | 2020-01-03 | 济南临工矿山设备科技有限公司 | Indicator for longitudinally displaying angle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US7841094B2 (en) * | 2009-01-27 | 2010-11-30 | Trimble Kaiserslautern Gmbh | Optical instrument with angle indicator and method for operating the same |
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| KR20110093963A (en) * | 2011-06-30 | 2011-08-19 | 주식회사백상 | 3-dimensional displacement measuring device |
| CN206177286U (en) * | 2016-11-04 | 2017-05-17 | 杭州巨星科技股份有限公司 | Angle indication level bar |
| CN106679548A (en) * | 2017-01-20 | 2017-05-17 | 徐工集团工程机械有限公司 | Device and method for detecting deflection angle of fan nozzle of cleaning sweeper truck and method for adjusting deflection angle of fan nozzle of cleaning sweeper truck |
| CN209894105U (en) * | 2019-06-11 | 2020-01-03 | 济南临工矿山设备科技有限公司 | Indicator for longitudinally displaying angle |
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