CN113776413A - Rock core structural surface angle measuring device and detection method - Google Patents
Rock core structural surface angle measuring device and detection method Download PDFInfo
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- CN113776413A CN113776413A CN202111065803.1A CN202111065803A CN113776413A CN 113776413 A CN113776413 A CN 113776413A CN 202111065803 A CN202111065803 A CN 202111065803A CN 113776413 A CN113776413 A CN 113776413A
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- 239000011435 rock Substances 0.000 title claims abstract description 41
- 238000001514 detection method Methods 0.000 title abstract description 10
- 230000007704 transition Effects 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 claims description 22
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 239000012780 transparent material Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 239000000314 lubricant Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001050 lubricating effect Effects 0.000 description 6
- 238000005553 drilling Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
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- 239000003921 oil Substances 0.000 description 1
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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
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
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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
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
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Abstract
The application relates to the technical field of rock core detection, in particular to a rock core structural plane angle measuring device and a rock core structural plane angle measuring method. The present application has the following effects: the rock core is clamped and fixed between the two semicircular shells, the measuring sleeve is driven to slide outside the two semicircular shells, and then the measuring sleeve is driven to rotate, so that the reference point of the angle scale mark is located on the transition edge line of the rock core structural surface, and the transition edge line can clearly and completely fall on the scale of the angle scale mark, so that the inclination angle of the rock core structural surface is accurately measured.
Description
Technical Field
The application relates to the technical field of rock core detection, in particular to a rock core structural plane angle measuring device and a detection method.
Background
In geological exploration engineering, drilling equipment is generally adopted to drill cores below the earth surface, and the cores are detected and comprehensively analyzed to correctly recognize deep geological structures and find out the shape and the extension condition of rock masses, so that the method plays an important guiding role in construction of civil engineering, mining of mineral products and the like.
The detection content after core drilling includes but is not limited to detection of the surface state of the core structure. The occurrence, inclination angle, extension scale, density and cementation and filling conditions of the structural surface are important factors influencing the strength and stability of the rock mass. Wherein, the dip angle of the core structural surface refers to the included angle (acute angle) between the core structural surface and the horizontal plane. In the related art, the inclination angle of the core structural surface is generally detected by means of an angle measuring tool such as a goniometer.
In view of the above-mentioned related technologies, the inventor found that a core sample drilled by a drilling apparatus is generally cylindrical, and when the core sample is measured by using an angle ruler, the angle ruler can only be in line contact with the side wall of the core sample, and during the measurement, a portion having a gap between the angle ruler and the core sample needs to be visually observed to estimate a specific position where a boundary of a core structure surface falls on a scale line of the angle ruler, so that a detection result has a certain error and is not accurate enough.
Disclosure of Invention
In order to improve the accuracy of the detection result of the inclination angle of the core structural surface, the application provides a core structural surface angle measuring device and a detection method.
In a first aspect, the present application provides a core structural plane angle measurement device, which adopts the following technical scheme:
the utility model provides a rock core structural plane angle measuring device, includes rock core fixed establishment and dip angle measurement mechanism, rock core fixed establishment includes two semi-circular shells to closing the setting, and two semi-circular shells are used for fixing the rock core centre gripping, dip angle measurement mechanism is including measuring the sleeve pipe, it establishes outside two semi-circular shells to measure the coaxial cover of sleeve pipe, and measures the sleeve pipe and rotate the setting, semi-circular shell and measurement sleeve pipe all adopt transparent material to make, be equipped with the angle scale mark on the measurement sheathed tube lateral wall.
By adopting the technical scheme, the core is clamped and fixed between the two semicircular shells, if the core is in a single section, the core can be directly placed, and if the core is in multiple sections, the core is spliced in sequence; after the core is fixed, the measuring sleeve is driven to slide outside the two semicircular shells so as to move to a proper measuring position, then the measuring sleeve is driven to rotate so as to enable the reference point of the angle scale mark to be located on the transition edge line of the core structure surface, and the transition edge line can clearly and completely fall on the scale of the angle scale mark at the moment so as to accurately measure the inclination angle of the core structure surface.
Optionally, the length of the measuring sleeve is smaller than that of the semicircular shell, the measuring sleeve is slidably arranged on the semicircular shell, and the measuring sleeve is symmetrically provided with two holding pieces along the axial section of the measuring sleeve.
By adopting the technical scheme, when the length of the measuring sleeve is relatively small, the resistance on moving the measuring sleeve is relatively small; meanwhile, external force is applied to the measuring sleeve through the holding piece, so that the movement and rotation of the measuring sleeve are facilitated, the aim of saving labor can be achieved, and meanwhile, the measuring sleeve can be moved to a more accurate position so as to improve the accuracy of a measuring result.
Optionally, a limiting sleeve is arranged between the semicircular shell and the measuring sleeve, the limiting sleeve, the semicircular shell and the measuring sleeve are coaxially arranged, the limiting sleeve is made of a transparent material, and the length of the limiting sleeve is greater than that of the measuring sleeve and smaller than that of the semicircular shell.
By adopting the technical scheme, the limiting sleeve is used for limiting the mutual involution of the middle parts of the two semicircular shells so as to ensure that the middle parts of the two semicircular shells are not easy to separate from each other; especially, the semicircular shell is longer, and when the multistage cores are spliced in the semicircular shell, the limiting sleeve can be used for finishing the coaxiality between the two semicircular shells, so that the mutually spliced multistage cores can be kept coaxial more easily, and the accuracy of a measuring result is improved.
Optionally, the semicircular shell is in interference fit with the limiting sleeve, and a transparent lubricating layer is arranged between the outer side wall of the semicircular shell and the inner side wall of the limiting sleeve.
Through adopting above-mentioned technical scheme, the lubricant film is used for reducing the frictional resistance between semicircle casing and the spacing sleeve pipe under the prerequisite that does not influence the core observation effect to make spacing sleeve pipe overlap more easily and establish outside two semicircle casings.
Optionally, both ends of the semicircular shell are detachably provided with the fixing seats, the end portions of the semicircular shell are arranged in the fixing seats in a penetrating mode, and the semicircular shell penetrates through the fixing seats.
By adopting the technical scheme, the fixing seat is used for clamping the end parts, close to each other, of the two semicircular shells, so that the end parts, close to each other, of the two semicircular shells are not easy to separate from each other, and the stability of the two semicircular shells in relative combination is further improved; simultaneously, the fixing base all lifts two semicircle casings off the ground, and semicircle casing keeps the level, and placing of rock core and measuring sheathed tube rotation are all more convenient.
Optionally, there is axial ranging mechanism on the fixing base, axial ranging mechanism is including establishing first infrared emission subassembly, first infrared receiving assembly and the first processing unit that shows on arbitrary fixing base, first infrared emission subassembly and first infrared receiving assembly set up side by side and all are connected with the first processing unit electricity that shows, the one end rotation that the measurement sleeve pipe is close to axial ranging mechanism is provided with the reflecting plate that is used for reflecting the infrared pipeline of first emission subassembly transmission.
By adopting the technical scheme, when the transition side line of the rock core structural surface is wider along the axial direction of the semicircular shell, the reference point of the angle scale line on the measuring sleeve is moved to one side of the transition side line, then the reflecting plate is driven to rotate on the measuring sleeve, so that the reflecting plate reflects the light of the first infrared transmitting assembly, the first infrared receiving assembly receives the infrared light again, and the distance between the measuring sleeve and the axial distance measuring mechanism can be measured by calculating the transmission time consumption of the infrared light; and then, the measuring sleeve is driven to slide along the axial direction of the measuring sleeve, so that the reference point of the angle scale mark on the measuring sleeve moves to the other side of the transition sideline, the distance between the measuring sleeve and the axial distance measuring mechanism is measured again, the first display processing unit processes data to obtain and display the moving amount of the measuring sleeve, the position of the middle point of the transition sideline along the axial direction of the semicircular shell is determined, and the inclination angle of the rock core structural plane is measured at the moment, so that the measuring sleeve is more accurate.
Optionally, be equipped with circumference range finding mechanism on the fixing base, circumference range finding mechanism is including establishing the second infrared emission subassembly on the fixing base that is close to axial range finding mechanism, establishing the second infrared receiving assembly on the fixing base of keeping away from axial range finding mechanism and establishing the second display processing unit on arbitrary fixing base, second infrared emission subassembly and second infrared receiving assembly all set up in succession along measuring sheathed tube circumference, and first infrared emission subassembly and second infrared emission subassembly establish on the different circumferences of core fixed establishment, second infrared emission subassembly and second infrared receiving assembly set up relatively, the reflecting plate still is used for reflecting the partial infrared light of the infrared emission of second infrared emission subassembly transmission.
Through adopting above-mentioned technical scheme, when the transition sideline of core structural plane was along semi-circular shell's circumference broad, earlier remove one side to the transition sideline with the angle scale mark reference point on the measurement sleeve pipe, and keep the position of reflecting plate unchangeable, order about the measurement sleeve pipe again and rotate, so that the angle scale mark reference point on the measurement sleeve pipe removes the opposite side to the transition sideline, the reflecting plate shelters from the light of second infrared emission subassembly in the different regions of measurement sleeve pipe circumference this moment, and through calculating reflecting plate pivoted angle, can obtain and show the turned angle who measures the sheathed tube, thereby confirm the midpoint position of transition sideline along semi-circular shell circumference, the accuracy nature of the inclination measuring result of core structural plane has further been improved.
In a second aspect, the present application provides a method for detecting an angle of a core structural plane, which adopts the following technical scheme:
a method for detecting the angle of a core structural surface is applied to a core structural surface angle measuring device and comprises the following steps:
s1, transversely arranging any semicircular shell between two fixed seats in a penetrating manner, and then placing a rock core in the middle of the semicircular shell; if the core is a single section, directly placing the core, and if the core is a plurality of sections, splicing the core in sequence;
s2, penetrating the other semicircular shell between the two fixing seats, and enabling the two semicircular shells to be arranged in an involutory mode;
s3, driving any one fixing seat to slide from one end of the semicircular shell to the other end of the semicircular shell until the fixing seat replaces the other fixing seat, sleeving a measuring sleeve outside the two semicircular shells in the sliding process, and sleeving the other fixing seat on the original position of the sliding fixing seat;
s4, driving the measuring sleeve to rotate outside the two semicircular shells, and aligning the scales on the angle scale marks with the transition sidelines of the structural surface of the rock core; when the transition sidelines between the rock core structural surfaces are larger than 1cm along the axial direction of the semicircular shell, determining the middle points of the transition sidelines through an axial distance measuring mechanism, and when the transition sidelines between the rock core structural surfaces are larger than 1cm along the circumferential direction of the semicircular shell, determining the middle points of the transition sidelines through a circumferential distance measuring mechanism;
and S5, reading the angle scale marks, and recording the measurement result.
By adopting the technical scheme, the measuring sleeve is sleeved outside the rock core, and the inclination angle of the rock core structural surface can be accurately measured by measuring the angle scale marks on the measuring sleeve.
In summary, the present application includes at least one of the following beneficial technical effects:
the rock core is clamped and fixed between the two semicircular shells, the measuring sleeve is driven to slide outside the two semicircular shells, and then the measuring sleeve is driven to rotate, so that the reference point of the angle scale mark is located on the transition edge line of the rock core structure surface, and the transition edge line can clearly and completely fall on the scale of the angle scale mark, so that the inclination angle of the rock core structure surface is accurately measured;
through setting up axial ranging mechanism and axial ranging mechanism, further improve measuring result's accuracy.
Drawings
FIG. 1 is a schematic structural diagram of an entire angle measuring device for a core structural plane according to an embodiment of the present application;
FIG. 2 is a longitudinal cross-sectional view of an angle measuring apparatus for a core structural plane according to an embodiment of the present application;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic structural diagram of the whole measuring sleeve in the embodiment of the present application;
FIG. 5 is an enlarged view of portion B of FIG. 1;
FIG. 6 is a schematic view of the operation of the axial distance measuring mechanism in the embodiment of the present application;
FIG. 7 is a schematic view of the operation of the circumferential distance measuring mechanism in the embodiment of the present application.
Description of reference numerals: 1. a semi-circular housing; 2. a fixed seat; 21. perforating; 3. a limiting sleeve; 4. a lubricating layer; 5. measuring a casing; 51. a grip; 52. a limiting chute; 53. a limiting slide block; 54. a reflective plate; 6. an axial distance measuring mechanism; 61. a first infrared emitting assembly; 62. a first infrared receiving component; 63. a first display processing unit; 7. a circumferential distance measuring mechanism; 71. a second infrared emitting assembly; 72. a second infrared receiving component; 73. and a second display processing unit.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses core structural plane angle measuring device. Referring to fig. 1, the core structural plane angle measuring apparatus includes a core fixing mechanism and an inclination measuring mechanism. The core fixing mechanism is used for clamping and fixing the core. The dip angle measuring mechanism is used for measuring the dip angle of the core structural surface.
Referring to fig. 1 and 2, the core fixing mechanism includes two semicircular shells 1, and two semicircular shells 1 are to closing the setting, and the core is fixed through two semicircular shells 1 centre gripping. Both sides of the semicircular shell 1 for mutual involution are provided with rounded corners, so that the two semicircular shells 1 can be involuted or separated conveniently. Two semicircle casings 1 all adopt transparent material to make, can adopt transparent PC material, and can also cover on the inside wall of semicircle casing 1 and have wear-resisting membrane to make the inside wall of two semicircle casings 1 be difficult for producing wearing and tearing because of the friction of core.
The internal diameter and the length of semicircle casing 1 can carry out reasonable setting according to the size and the degree of depth of actual coring sample, but the internal diameter of semicircle casing 1 needs to be equal to the external diameter of core, and the length of semicircle casing 1 needs to be greater than the length of the core that the single was bored and is got, for example the core sleeve length that drilling equipment adopted is 1m, the internal diameter is 20cm, then semicircle casing 1 can set up to 1.4m length, 20cm internal diameter.
Referring to fig. 1 and 2, in order to facilitate the placement of the core in the semicircular shell 1, both ends of the semicircular shell 1 can be detachably provided with fixing seats 2. Fixing base 2 is the cushion of cuboid form, and the middle part of fixing base 2 is equipped with the perforation 21 that runs through fixing base 2, and the diameter of perforation 21 equals the external diameter of semi-circular shell 1, and semi-circular shell 1's tip all wears to establish in fixing base 2. During specific construction, wear to establish between two fixing bases 2 with a semicircle casing 1 earlier to make the opening orientation of this semicircle casing 1 keep away from the direction on ground, then place the rock core on this semicircle casing 1, wear to establish between two fixing bases 2 with second semicircle casing 1 again, and make two semicircle casings 1 fixed with the rock core centre gripping can. Fixing base 2 can carry out the centre gripping to the one end that two semicircle casings 1 are close to each other this moment to make the core keep firm in two semicircle casings 1.
Referring to fig. 2 and 3, in order to further improve the stability of the two semicircular shells 1 after being mutually folded, the two semicircular shells 1 are respectively sleeved with a limiting sleeve 3. The length of the limiting sleeve 3 is smaller than that of the semicircular shell 1, and the limiting sleeve 3 is located between the two fixing seats 2. The limiting sleeve 3 is a transparent round pipe with the inner diameter equal to the outer diameter of the semicircular shell 1, and the semicircular shell 1 and the limiting sleeve 3 are in interference fit. The limiting sleeve 3 and the semicircular shell 1 can be made of the same material. The limiting sleeve 3 is used for limiting the mutual involution of the middle parts of the two semicircular shells 1, so that the middle parts of the two semicircular shells 1 are not easy to separate from each other; especially, when semicircle casing 1 is longer, and the multistage core splices each other in semicircle casing 1, the axiality between two semicircle casings 1 can be repaiied to spacing sleeve pipe 3 to make the multistage core of splicing each other keep coaxial more easily, thereby improve measuring result's accuracy.
And a lubricating layer 4 is arranged between the outer side wall of the semicircular shell 1 and the inner side wall of the limiting sleeve 3. The lubricating layer 4 may be formed of a transparent oil film. The lubricating layer 4 is used for reducing the frictional resistance between the semicircular shell 1 and the limiting sleeve 3 on the premise of not influencing the observation effect of the rock core, so that the limiting sleeve 3 is more easily sleeved outside the two semicircular shells 1.
Referring to fig. 2 and 4, the inclination angle measuring mechanism includes a measuring sleeve 5, the material of the measuring sleeve 5 is the same as that of the semicircular shell 1, and the measuring sleeve 5 is sleeved outside the limiting sleeve 3. The inner diameter of the measuring sleeve 5 is equal to the outer diameter of the limiting sleeve 3, and the measuring sleeve 5 is in clearance fit with the limiting sleeve 3, so that the measuring sleeve 5 can smoothly slide on the limiting sleeve 3, and the measuring sleeve 5 can rotate on the limiting sleeve 3. The side wall of the measuring sleeve 5 is provided with angle scale lines, and the inclination angle of the rock core structural surface can be measured by aligning the angle scale lines with the transition side lines of the rock core structural surface. In order to enable reading to be more convenient and faster, the angle scale marks can be symmetrically arranged in two groups along the cross section of the middle part of the measuring sleeve 5, and when the inclination directions of the rock core mechanism surfaces are different, a group of proper angle scale marks can be selected for use.
In order to facilitate the sliding and rotation of the measuring sleeve 5, one end of the measuring sleeve 5 is symmetrically provided with two holding members 51 along the axial section of the measuring sleeve 5. The holding member 51 has a structure with one open end and the other closed end, and the open end of the holding member 51 is fixedly connected with the measuring sleeve 5. By holding the holding part 51, the measuring tube 5 can be driven easily and with little effort.
Referring to fig. 1 and 5, an axial distance measuring mechanism 6 is arranged on the fixing base 2, and the axial distance measuring mechanism 6 is used for measuring the displacement of the measuring sleeve 5 sliding on the limiting sleeve 3. The axial distance measuring mechanism 6 may be disposed on any one of the fixing bases 2, and in this embodiment, the axial distance measuring mechanism 6 is disposed on the fixing base 2 far away from the holding member 51. The axial distance measuring mechanism 6 comprises a first infrared emitting assembly 61, a first infrared receiving assembly 62 and a first display processing unit 63. The first infrared emission component 61 and the first infrared receiving component 62 are arranged side by side on the same horizontal line, and the first display processing unit 63 is electrically connected with both the first infrared emission component 61 and the first infrared receiving component 62.
Referring to fig. 3 and 4, a limiting sliding groove 52 is arranged on the outer side wall of one end of the measuring sleeve 5 close to the axial distance measuring mechanism 6, the limiting sliding groove 52 is a ring groove coaxial with the measuring sleeve 5, and the limiting sliding groove 52 is arranged in a staggered manner in the axial direction of the measuring sleeve 5 and the angle scale mark. The limiting sliding groove 52 is internally provided with a limiting sliding block 53 in a sliding manner, and the limiting sliding block 53 and the limiting sliding groove 52 can be both arranged in a dovetail shape or a T shape. The limiting slide block 53 is fixedly connected with a reflecting plate 54 at one side far away from the bottom of the limiting slide groove 52, and when the limiting slide block 53 slides in the limiting slide groove 52, the reflecting plate 54 can rotate on the measuring sleeve 5. The reflecting plate 54 is an arc segment with an acute radian, the maximum diameter of the reflecting plate 54 is larger than the distance between the first infrared emitting assembly 61 and the first receiving assembly and the measuring sleeve 5, and the reflecting plate 54 is used for reflecting infrared rays emitted by the first infrared emitting assembly 61.
Referring to fig. 6, when the transition edge line of the core structural plane is wider along the axial direction of the semicircular shell 1, for example, greater than 1cm, the reference point of the angle scale line on the measuring sleeve 5 is moved to one side of the transition edge line, and then the reflection plate 54 is driven to rotate on the measuring sleeve 5, so that the reflection plate 54 reflects the light of the first infrared emitting assembly 61, at this time, the first infrared receiving assembly 62 can receive the light emitted by the first infrared emitting assembly 61, and the distance between the measuring sleeve 5 and the axial distance measuring mechanism 6 can be measured by calculating the propagation time of the infrared light; and then, the measuring sleeve 5 is driven to slide along the axial direction of the measuring sleeve, so that the reference point of the angle scale mark on the measuring sleeve 5 moves to the other side of the transition sideline, the distance between the measuring sleeve 5 and the axial distance measuring mechanism 6 is measured again, the first display processing unit 63 processes data, the moving amount of the measuring sleeve 5 is obtained and displayed, the position of the middle point of the transition sideline along the axial direction of the semicircular shell 1 is determined, and the inclination angle of the rock core structural plane is measured at the moment, so that the measuring sleeve is more accurate.
Referring to fig. 7, a circumferential distance measuring mechanism 7 is arranged on the fixed seat 2, and the circumferential distance measuring mechanism 7 is used for measuring the rotating angle of the measuring sleeve 5 on the limiting sleeve 3. The circumferential distance measuring mechanism 7 includes a second infrared transmitting assembly 71, a second infrared receiving assembly 72 and a second display processing unit 73. The second infrared emitting assembly 71 is arranged on the fixed base 2 close to the axial distance measuring mechanism 6, and the second infrared receiving assembly 72 is arranged on the fixed base 2 far away from the axial distance measuring mechanism 6.
The second infrared transmitting assembly 71 and the second infrared receiving assembly 72 are both continuously arranged along the circumference of the measuring sleeve 5, and the diameters of the second infrared transmitting assembly 71 and the second infrared receiving assembly 72 when being circumferentially arranged are equal and are both smaller than the maximum diameter of the reflecting plate 54, so that the second infrared receiving assembly 72 can smoothly receive infrared light emitted by the second infrared transmitting assembly 71, and the reflecting plate 54 can block part of the infrared light emitted by the second infrared transmitting assembly 71.
Referring to fig. 7, the radius of the second infrared transmitting assembly 71 when the second infrared transmitting assembly 71 is circumferentially arranged is smaller than the distance between the first infrared transmitting assembly 61 and the axis of the measuring sleeve 5, that is, the first infrared transmitting assembly 61 and the second infrared transmitting assembly 71 are arranged on different circumferences of the fixed base 2, so that the first infrared receiving assembly 62 is not easy to receive the infrared ray emitted by the second infrared transmitting assembly 71 reflected by the reflecting plate 54. The second display processing unit 73 may be fixed to any one of the fixing seats 2, and in this embodiment, the second display processing unit 73 is fixed to the fixing seat 2 close to the axial distance measuring mechanism 6. The second display processing unit 73 is electrically connected to both the second infrared transmitting assembly 71 and the second infrared receiving assembly 72.
Referring to fig. 7, when the transition borderline of the core structural plane is wider along the circumferential direction of the semicircular shell 1, for example, greater than 1cm, the reference point of the angle scale mark on the measuring sleeve 5 is moved to one side of the transition borderline, and the position of the reflection plate 54 is kept unchanged, and then the measuring sleeve 5 is driven to rotate, so that the reference point of the angle scale mark on the measuring sleeve 5 is moved to the other side of the transition borderline, at this time, the reflection plate 54 shields the light of the second infrared emission component 71 in different areas of the measuring sleeve 5 circumferential direction, and the rotation angle of the measuring sleeve 5 can be obtained and displayed by calculating the rotation angle of the reflection plate 54, thereby determining the midpoint position of the transition borderline along the circumferential direction of the semicircular shell 1, and further improving the accuracy of the inclination angle measurement result of the core structural plane.
The embodiment of the application also discloses a method for detecting the angle of the core structural surface. The method for detecting the angle of the core structural surface applies a core structural surface angle measuring device, and specifically comprises the following steps:
s1, transversely penetrating any semicircular shell 1 between two fixed seats 2, and then placing a rock core in the middle of the semicircular shell 1; if the core is a single section, directly placing the core, and if the core is a plurality of sections, splicing the core in sequence;
s2, penetrating the other semicircular shell 1 between the two fixed seats 2, enabling the two semicircular shells 1 to be arranged in an involutory mode, and then coating lubricating oil on the outer side walls of the two semicircular shells 1 to form a lubricating layer 4;
s3, then driving any one fixing seat 2 to slide from one end of the semicircular shell 1 to the other end of the semicircular shell 1 until the fixing seat 2 replaces the other fixing seat 2, sleeving a limiting sleeve 3 outside the two semicircular shells 1 in the sliding process of the fixing seat 2, sleeving a measuring sleeve 5 outside the semicircular shells 1, and sleeving the other fixing seat 2 on the original position of the sliding fixing seat 2;
s4, driving the measuring sleeve 5 to rotate outside the two semicircular shells 1, and aligning the scales on the angle scale marks with the transition side lines of the structural surface of the rock core; when the transition borderline between the core structural surfaces is wider along the axial direction of the semicircular shell 1, the middle point of the transition borderline is determined through the axial distance measuring mechanism 6, and when the transition borderline between the core structural surfaces is wider along the circumferential direction of the semicircular shell 1, the middle point of the transition borderline is determined through the circumferential distance measuring mechanism 7;
and S5, reading the angle scale marks, and recording the measurement result.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a core structural plane angle measuring device which characterized in that: including core fixed establishment and dip measurement mechanism, core fixed establishment includes two semicircle casings (1) to closing the setting, and two semicircle casings (1) are used for fixing the core centre gripping, dip measurement mechanism is including measuring sleeve pipe (5), it establishes outside two semicircle casings (1) to measure the coaxial cover of sleeve pipe (5), and measures sleeve pipe (5) and rotate the setting, semicircle casing (1) all adopts transparent material to make with measuring sleeve pipe (5), be equipped with angle scale mark on the lateral wall of measuring sleeve pipe (5).
2. A core structure face angle measuring device according to claim 1, characterized in that: the length of measuring sleeve pipe (5) is less than the length of semicircle casing (1), measuring sleeve pipe (5) slide and set up on semicircle casing (1), measuring sleeve pipe (5) are provided with two grips (51) along the axial cross-section symmetry of measuring sleeve pipe (5).
3. A core structure face angle measuring device according to claim 2, characterized in that: be equipped with stop collar (3) between semicircle casing (1) and measurement sleeve pipe (5), stop collar (3) and semicircle casing (1) and the equal coaxial setting of measurement sleeve pipe (5), and stop collar (3) adopt transparent material to make, the length of stop collar (3) is greater than the length of measuring sleeve pipe (5) and is less than the length of semicircle casing (1).
4. A core structure face angle measuring device according to claim 3, characterized in that: semicircle casing (1) and spacing sleeve pipe (3) interference fit, and be equipped with transparent lubricant film (4) between the lateral wall of semicircle casing (1) and the inside wall of spacing sleeve pipe (3).
5. A core structure face angle measuring device according to claim 2, characterized in that: the both ends of semicircle casing (1) all can be dismantled and be provided with fixing base (2), the tip of semicircle casing (1) is all worn to establish in fixing base (2), and semicircle casing (1) runs through the setting with fixing base (2).
6. A core structure face angle measurement device according to claim 5, wherein: there are axial range finding mechanism (6) on fixing base (2), axial range finding mechanism (6) is including establishing first infrared emission subassembly (61), first infrared receiving assembly (62) and first demonstration processing unit (63) on arbitrary fixing base (2), first infrared emission subassembly (61) and first infrared receiving assembly (62) set up side by side and all are connected with first demonstration processing unit (63) electricity, it is provided with reflecting plate (54) that are used for reflecting the infrared ray of first emission subassembly transmission to measure the one end rotation that sleeve pipe (5) are close to axial range finding mechanism (6).
7. A core structure face angle measurement device according to claim 6, wherein: a circumferential distance measuring mechanism (7) is arranged on the fixed seat (2), the circumferential distance measuring mechanism (7) comprises a second infrared transmitting assembly (71) arranged on the fixed seat (2) close to the axial distance measuring mechanism (6), a second infrared receiving assembly (72) arranged on the fixed seat (2) far away from the axial distance measuring mechanism (6) and a second display processing unit (73) arranged on any fixed seat (2), the second infrared transmitting assembly (71) and the second infrared receiving assembly (72) are both continuously arranged along the circumferential direction of the measuring sleeve (5), and the first infrared emission component (61) and the second infrared emission component (71) are arranged on different circumferences of the core fixing mechanism, the second infrared transmitting component (71) and the second infrared receiving component (72) are oppositely arranged, the reflecting plate (54) is also used for reflecting part of infrared rays emitted by the second infrared emitting assembly (71).
8. A method for detecting the angle of a core structural surface is characterized by comprising the following steps: use of the core structure face angle measurement device according to claim 7, comprising the steps of:
s1, transversely arranging any semicircular shell (1) between two fixed seats (2) in a penetrating manner, and then placing a rock core in the middle of the semicircular shell (1); if the core is a single section, directly placing the core, and if the core is a plurality of sections, splicing the core in sequence;
s2, penetrating the other semicircular shell (1) between the two fixed seats (2), and enabling the two semicircular shells (1) to be oppositely arranged;
s3, driving any one fixing seat (2) to slide from one end of the semicircular shell (1) to the other end of the semicircular shell (1) until the fixing seat (2) replaces the other fixing seat (2), sleeving a measuring sleeve (5) outside the two semicircular shells (1) in the sliding process, and sleeving the other fixing seat (2) on the original position of the sliding fixing seat (2);
s4, driving the measuring sleeve (5) to rotate outside the two semicircular shells (1), and aligning scales on the angle scale marks with transition side lines of the structural surface of the rock core; when the transition sidelines between the rock core structural surfaces are larger than 1cm along the axial direction of the semicircular shell (1), determining the middle points of the transition sidelines through an axial distance measuring mechanism (6), and when the transition sidelines between the rock core structural surfaces are larger than 1cm along the circumferential direction of the semicircular shell (1), determining the middle points of the transition sidelines through a circumferential distance measuring mechanism (7);
and S5, reading the angle scale marks, and recording the measurement result.
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| JPH08233521A (en) * | 1995-02-28 | 1996-09-13 | Toho Technol Kk | Distance measuring method, rotary-angle measuring method, moving-distance measuring device, position measuring device, size measuring device, rotary-angle measuring device and rotary-position measuring device |
| CN207019636U (en) * | 2017-05-30 | 2018-02-16 | 上海永鼎光电子技术有限公司 | Fiber end face angle measurement unit |
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