CN113418492A - Device for automatically detecting bending difference of leveling staff - Google Patents
Device for automatically detecting bending difference of leveling staff Download PDFInfo
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- CN113418492A CN113418492A CN202110684552.9A CN202110684552A CN113418492A CN 113418492 A CN113418492 A CN 113418492A CN 202110684552 A CN202110684552 A CN 202110684552A CN 113418492 A CN113418492 A CN 113418492A
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- 238000005452 bending Methods 0.000 title claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 96
- 238000005259 measurement Methods 0.000 abstract description 13
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 238000012795 verification Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 229910001374 Invar Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
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- 239000000203 mixture Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
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Abstract
The invention discloses a device for automatically detecting the bending difference of a leveling staff, which relates to the technical field of detection devices and adopts the technical scheme that: comprises a detection box, a small belt conveyor and a detection device; the bottom surface of the detection box is provided with a strip-shaped hole with the width consistent with that of a conveying belt of the small belt conveyor, and the strip-shaped hole is positioned right above the conveying belt of the small belt conveyor; the transmission direction of the small belt conveyor is parallel to the bottom surface of the detection box; the detection device comprises a first electric push rod, a vertical connecting rod and a distance measuring sensor; the outer wall of the bottom surface of the detection box is provided with a length measuring sensor positioned on the left side of the strip-shaped hole; the outer wall of the bottom surface of the detection box is provided with a photoelectric sensor positioned on the right side of the strip-shaped hole; the inside of detection case is equipped with the detection treater. The problem of the tolerance that leads to with the manual measurement of steel ruler among the prior art is great can be solved, and can practice thrift manpower and materials when accurate measurement calculates, be applicable to the levelling staff of various length.
Description
Technical Field
The invention relates to the technical field of detection devices, in particular to a device for automatically detecting the bending difference of a leveling staff.
Background
Leveling staff, abbreviated as leveling staff. Is a main tool for carrying out leveling measurement by matching with a level gauge. The length of the leveling rod is 3 meters generally, and the leveling rod is divided into a common leveling rod and a precise leveling rod. The common leveling staff is generally wooden, and black, white and red-white centimeter divisions are respectively sprayed on two surfaces of the common leveling staff, and the lengths are marked from bottom to top; the precise leveling staff is an invar alloy band ruler which is arranged in the center of a wooden frame, lcm or 0.5 cm-spaced dividing lines are sprayed on the ruler, and a spring is used for stretching the ruler surface, so that the precision leveling staff is also called an invar leveling staff.
At present, according to the requirements of the national verification regulation JJJG 8-1991 leveling staff verification regulation, the leveling staff needs to verify the item of bending difference so as to judge whether the leveling staff is qualified. The bending difference is the difference between the average value of the sum of the bending differences of the two sides and the middle reading number.
In the prior art, a worker firstly puts the scale on the side, then draws a thin straight line through two ends of the scale, respectively measures the distance from the scale dividing plane to the thin straight line at two ends and the center of the scale surface of the scale, and the difference between the average value of the readings at the two ends and the middle reading is the bending difference. The verification method needs two persons to use the steel ruler and the thin straight line to perform matched detection, is time-consuming and labor-consuming, and is inconvenient to save manpower and material resources; meanwhile, the steel ruler is used as a standard device, and then manual calculation is carried out, so that the tolerance is large, and precision leveling is not facilitated.
Disclosure of Invention
The invention aims to provide a device for automatically detecting the bending difference of a leveling staff, which can solve the problem of large tolerance caused by artificial measurement by using a steel ruler in the prior art, can save manpower and material resources while accurately measuring and calculating, and is suitable for leveling staff with various lengths.
The technical purpose of the invention is realized by the following technical scheme: a device for automatically detecting the bending difference of a leveling staff comprises a detection box, a small-sized belt conveyor and a detection device, wherein the bottom surface of the detection box is provided with a strip-shaped hole with the width consistent with the width of a conveyor belt of the small-sized belt conveyor, and the strip-shaped hole is positioned right above the conveyor belt of the small-sized belt conveyor; the conveying direction of the small belt conveyor is parallel to the bottom surface of the detection box; the detection device comprises a first electric push rod, a vertical connecting rod and a distance measuring sensor, wherein one end of the first electric push rod is fixedly connected with the right side wall of the detection box, the other end of the first electric push rod is fixedly connected with the top end of the vertical connecting rod, and the bottom end of the vertical connecting rod penetrates through the strip-shaped hole and is fixedly connected with the distance measuring sensor; the outer wall of the bottom surface of the detection box is provided with a length measuring sensor positioned on the left side of the strip-shaped hole, and the detection direction of the length measuring sensor is vertically downward and is opposite to a conveyor belt of the small belt conveyor; the outer wall of the bottom surface of the detection box is provided with a photoelectric sensor, the detection direction of the photoelectric sensor is vertically downward, and the photoelectric sensor and the right side edge of the strip-shaped hole are positioned on the same straight line; the detection direction of the distance measuring sensor is vertically downward and is opposite to a conveyor belt of the small belt conveyor; a detection processor is arranged in the detection box and is respectively and electrically connected with the small belt conveyor, the length measuring sensor, the distance measuring sensor, the photoelectric sensor and the first electric push rod; the detection processor is used for controlling the small-sized belt conveyor to stop moving when the photoelectric sensor detects the leveling staff, sending a starting instruction to the first electric push rod, controlling the first electric push rod to drive the distance measuring sensor to move right above a measuring point according to the length information of the leveling staff detected by the length measuring sensor, and measuring the distance of the measuring point by the distance measuring sensor to obtain a distance measuring result.
By adopting the technical scheme, when the device for detecting the bending difference of the leveling staff is used, the detected leveling staff is driven to move by the small belt conveyor; the length of the measured leveling staff is convenient to detect through the length measuring sensor, and the detection processor controls the first electric push rod to drive the distance measuring sensor to move right above the measuring point according to the length information of the measured leveling staff; measuring the distance of the measuring point by a distance measuring sensor, thereby calculating the bending difference of the measured leveling staff according to the distance measuring result; the photoelectric sensor is convenient to sense the leveling staff, so that the leveling staff can be detected when the measured leveling staff moves to a proper position; through the poor device of automated inspection levelling rod bending that comprises detection case, small-size belt conveyor and detection device, can solve the great problem of tolerance that leads to with the artificial measurement of steel ruler that exists among the prior art, and can practice thrift manpower and materials when accurate measurement calculates, be applicable to the levelling rod of various length.
The invention is further configured to: a second electric push rod is arranged on the outer wall of the bottom surface of the detection box, and the moving direction of the second electric push rod is vertical downward; and a mark stamp is arranged at the bottom end of the second electric push rod, and a stamp pattern of the mark stamp is opposite to a conveying belt of the small belt conveyor.
Through adopting above-mentioned technical scheme, when the bending difference that detects the treater and calculate the levelling rod is not conform to the examination rule requirement, detect the treater and send start-up instruction to second electric putter, second electric putter drives the conveyer belt removal of mark seal to small-size belt conveyor, is convenient for do the mark to unqualified levelling rod to be convenient for distinguish qualified and unqualified levelling rod.
The invention is further configured to: the second electric push rod is located on the right side of the strip-shaped hole and is electrically connected with the detection processor.
The invention is further configured to: baffle plates with the length being consistent with that of the small belt conveyor are arranged on the front side and the rear side of a conveying belt of the small belt conveyor along the conveying direction, and the baffle plates are parallel to each other.
Through adopting above-mentioned technical scheme, through two baffles, be convenient for make measured horizontal standard ruler remain throughout and parallel with small-size belt conveyor's transmission direction, avoid because of being measured the detection inaccuracy that horizontal standard ruler skew leads to.
The invention is further configured to: the conveying belt of the small belt conveyor is provided with a plurality of limiting strips at equal intervals, and the limiting strips are perpendicular to the conveying direction of the small belt conveyor.
Through adopting above-mentioned technical scheme, the bottom through will being surveyed the levelling rod offsets with spacing, is convenient for fix by the measuring level to make by the measuring level follow the motion of blend stop and move, avoid appearing blocking in the motion by the measuring level.
The invention is further configured to: the outer wall of the bottom surface of the detection box is provided with a plurality of supporting columns.
The invention is further configured to: the outer wall of the top of the detection box is provided with a display screen.
Through adopting above-mentioned technical scheme, through the display screen, be convenient for show the bending difference that is surveyed by survey level gauge.
The invention is further configured to: and a collecting box is arranged below the tail end of the conveying belt of the small belt conveyor.
By adopting the technical scheme, the leveling staff convenient to measure is collected through the collecting box
The invention is further configured to: the width of the conveying belt of the small belt conveyor is consistent with that of the leveling staff.
In conclusion, the invention has the following beneficial effects: the measured level scale is driven to move by a small belt conveyor; the length of the measured leveling staff is convenient to detect through the length measuring sensor, and the detection processor controls the first electric push rod to drive the distance measuring sensor to move right above the measuring point according to the length information of the measured leveling staff; measuring the distance of the measuring point by a distance measuring sensor, thereby calculating the bending difference of the measured leveling staff according to the distance measuring result; the photoelectric sensor is convenient to sense the leveling staff, so that the leveling staff can be detected when the measured leveling staff moves to a proper position; through the poor device of automated inspection levelling rod bending that comprises detection case, small-size belt conveyor and detection device, can solve the great problem of tolerance that leads to with the artificial measurement of steel ruler that exists among the prior art, and can practice thrift manpower and materials when accurate measurement calculates, be applicable to the levelling rod of various length.
Drawings
FIG. 1 is a schematic structural diagram in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a conveyor belt of a small belt conveyor in an embodiment of the invention.
In the figure: 1. a detection box; 2. a small belt conveyor; 3. a collection box; 4. a support pillar; 5. a length measuring sensor; 6. a ranging sensor; 7. a first electric push rod; 8. a vertical connecting rod; 9. a strip-shaped hole; 10. a baffle plate; 11. a limiting strip; 12. a photosensor; 13. a detection processor; 14. a display screen; 15. a second electric push rod; 16. and marking a seal.
Detailed Description
The present invention is described in further detail below with reference to FIGS. 1-2.
Example (b): a device for automatically detecting the bending difference of a leveling staff comprises a detection box 1, a small belt conveyor 2 and a detection device, wherein the small belt conveyor 2 is positioned right below the detection box 1, and the transmission direction of the small belt conveyor is parallel to the bottom surface of the detection box 1; the bottom surface of the detection box 1 is provided with a strip-shaped hole 9 with the width consistent with the width of the conveyor belt of the small belt conveyor 2, the length of the strip-shaped hole 9 is equal to or more than 5 meters, and the strip-shaped hole 9 is positioned right above the conveyor belt of the small belt conveyor 2; the transmission direction of the small belt conveyor 2 is parallel to the bottom surface of the detection box 1; the detection device comprises a first electric push rod 7, a vertical connecting rod 8 and a distance measuring sensor 6, one end of the first electric push rod 7 is fixedly connected with the right side wall of the detection box 1, the other end of the first electric push rod is fixedly connected with the top end of the vertical connecting rod 8, and the bottom end of the vertical connecting rod 8 penetrates through a strip-shaped hole 9 and is fixedly connected with the distance measuring sensor 6; the outer wall of the bottom surface of the detection box 1 is provided with a length measuring sensor 5 positioned on the left side of the strip-shaped hole 9, and the detection direction of the length measuring sensor 5 is vertically downward and is just opposite to the conveyor belt of the small belt conveyor 2; the outer wall of the bottom surface of the detection box 1 is provided with a photoelectric sensor 12, the detection direction of the photoelectric sensor 12 is vertically downward and is positioned on the same straight line with the right side edge of the strip-shaped hole 9; the detection direction of the distance measuring sensor 6 is vertically downward and is opposite to the conveyor belt of the small belt conveyor 2; a detection processor 13 is arranged in the detection box 1, and the detection processor 13 is respectively and electrically connected with the small belt conveyor 2, the length measuring sensor 5, the distance measuring sensor 6, the photoelectric sensor 12 and the first electric push rod 7; detection processor 13 for when photoelectric sensor 12 detects the levelling staff, control small-size belt conveyor 2 stop motion, and send start instruction to first electric putter 7, according to the levelling staff length information that length-measuring sensor 5 detected, control first electric putter 7 and drive range sensor 6 and move directly over to the measuring point, the measuring point includes ruler face both ends and the central authorities of surveyed levelling staff, carry out the range finding by range sensor 6 to the measuring point and obtain the range finding result, detection processor 13 receives the range finding result and controls small-size belt conveyor 2 to continue the motion, calculate the bending difference of levelling staff according to the range finding result simultaneously.
In the embodiment, when the device for detecting the bending difference of the leveling staff is used, the detected leveling staff is driven to move by the small belt conveyor 2; the length of the measured leveling staff is convenient to detect through the length measuring sensor 5, and the detection processor 13 controls the first electric push rod 7 to drive the distance measuring sensor 6 to move right above a measuring point according to the length information of the measured leveling staff; measuring the distance of the measuring point by the distance measuring sensor 6, thereby calculating the bending difference of the measured leveling staff according to the distance measuring result; the photoelectric sensor 12 is convenient for sensing the leveling staff, so that the leveling staff can be detected when the measured leveling staff moves to a proper position; through the poor device of automated inspection levelling rod bending that comprises detection case 1, small-size belt conveyor 2 and detection device, can solve the great problem of tolerance that leads to with the artificial measurement of steel ruler that exists among the prior art, and can practice thrift manpower and materials when accurate measurement calculates, be applicable to the levelling rod of various length.
A second electric push rod 15 is arranged on the outer wall of the bottom surface of the detection box 1, and the moving direction of the second electric push rod 15 is vertical downward; the bottom end of the second electric push rod 15 is provided with a mark stamp 16, and a stamp pattern of the mark stamp 16 is opposite to the conveyor belt of the small belt conveyor 2.
In this embodiment, when the bending difference that detection processor 13 calculated the levelling rod does not conform to the examination rule requirement, detection processor 13 sends start instruction to second electric putter 15, and second electric putter 15 drives mark seal 16 and removes to the conveyer belt of small-size belt conveyor 2, is convenient for do the mark to unqualified levelling rod to be convenient for distinguish qualified and unqualified levelling rod.
The second electric push rod 15 is located on the right side of the strip-shaped hole 9, and the second electric push rod 15 is electrically connected with the detection processor 13.
The front side and the rear side of the conveying belt of the small belt conveyor 2 are respectively provided with a baffle 10 with the length consistent with that of the small belt conveyor 2 along the conveying direction, and the two baffles are parallel to each other.
In this embodiment, through two baffles 10, be convenient for make the measured level gauge keep all the time to be parallel with the direction of transmission of small-size belt conveyor 2, avoid because of the measuring level gauge skew detection that leads to inaccurate.
The conveyer belt of small-size belt conveyor 2 is equidistant to be equipped with a plurality of spacing strips 11, and spacing strip 11 is perpendicular with small-size belt conveyor 2's transmission direction, and the interval between two adjacent spacing strips 11 is equal to or more than 5 meters.
In this embodiment, through the bottom that will be surveyed the levelling rod and offsetting with spacing 11, be convenient for fixed surveyed the levelling rod to make surveyed the levelling rod follow the motion and the motion of blend stop, avoid appearing blocking in the motion by the levelling rod.
The outer wall of the bottom surface of the detection box 1 is provided with a plurality of support columns 4.
The outer wall of the top of the detection box 1 is provided with a display screen 14.
In this embodiment, the display screen 14 facilitates displaying the bending difference measured by the leveling staff being measured.
A collecting box 3 is arranged below the tail end of the conveying belt of the small belt conveyor 2.
In this embodiment, by collecting the box 3, it is convenient to collect the leveling staff that is finished with the measurement
The belt width of the small belt conveyor 2 corresponds to the width of the leveling staff.
The working principle is as follows: when the device for detecting the bending difference of the leveling staff is used, a worker places the staff surface of the detected leveling staff upwards on the starting point of the conveying belt of the small belt conveyor 2; the baffle plates 10 are arranged on the front side and the rear side of the conveying belt of the small belt conveyor 2, so that the position of the measured level scale can be corrected, and the measurement accuracy can be increased conveniently; because friction force exists between the baffle 10 and the measured leveling staff, the bottom end of the measured leveling staff is abutted against the limiting strips 11 by arranging the limiting strips 11 on the conveying belt of the small belt conveyor 2, so that the limiting strips 11 can drive the measured leveling staff to move conveniently, and the influence of the friction force on the measured leveling staff is avoided; when the measured level gauge completely passes through the length measuring sensor 5, the length measuring sensor 5 transmits the detected length information to the detection processor 13; when the photoelectric sensor 12 detects the detected level scale, the photoelectric sensor 12 transmits information to the detection processor 13, and then the detection processor 13 sends a stop instruction to the small belt conveyor 2 to control the small belt conveyor 2 to stop moving; the detection processor 13 sends a starting instruction to the first electric push rod 7, controls the first electric push rod 7 to drive the distance measuring sensor 6 to move right above a measuring point according to the length information of the measured leveling staff, which is detected by the length measuring sensor 5, and the distance measuring sensor 6 measures the distance of the measuring point; after the measurement is finished, the distance measuring sensor 6 transmits the measured data information to the detection processor 13, and the detection processor 13 calculates the difference between the average value of the data at the two ends and the data at the center according to the data information at the two ends and the center of the surface of the measured leveling staff measured by the distance measuring sensor 6 to obtain the bending difference of the measured leveling staff; after the detection processor 13 transmits the obtained bending difference data information to the display screen 14, the display screen 14 displays the bending difference information; meanwhile, the detection processor 13 sends a starting instruction to the small belt conveyor 2, the small belt conveyor 2 is started, the detected level scale continues to move, and the level scale falls into the collection box 3 after passing through the tail end of the conveyor belt of the small belt conveyor 2; until the next measured level gauge is detected by the photoelectric sensor 12, the detection processor 13 sends a stop instruction to the small belt conveyor 2 again; if the bending difference of the measured leveling ruler does not meet the requirement of the verification regulation, the detection processor 13 sends a starting instruction to the second electric push rod 15, the second electric push rod 15 drives the marking stamp 16 to mark the measured leveling ruler, and then the measured leveling ruler falls into the collection box 3 after passing through the tail end of the conveyor belt of the small belt conveyor 2; whether there is the mark through the levelling staff who collects in the box 3, the staff of being convenient for sorts qualified and unqualified levelling staff.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides an automatic detect device of levelling rod bending difference which characterized by: the device comprises a detection box (1), a small-sized belt conveyor (2) and a detection device, wherein the bottom surface of the detection box (1) is provided with a strip-shaped hole (9) with the width consistent with that of a conveyor belt of the small-sized belt conveyor (2), and the strip-shaped hole (9) is positioned right above the conveyor belt of the small-sized belt conveyor (2); the conveying direction of the small belt conveyor (2) is parallel to the bottom surface of the detection box (1); the detection device comprises a first electric push rod (7), a vertical connecting rod (8) and a distance measuring sensor (6), one end of the first electric push rod (7) is fixedly connected with the right side wall of the detection box (1), the other end of the first electric push rod is fixedly connected with the top end of the vertical connecting rod (8), and the bottom end of the vertical connecting rod (8) penetrates through a strip-shaped hole (9) and is fixedly connected with the distance measuring sensor (6); the outer wall of the bottom surface of the detection box (1) is provided with a length measuring sensor (5) positioned on the left side of the strip-shaped hole (9), and the detection direction of the length measuring sensor (5) is vertically downward and is just opposite to a conveyor belt of the small belt conveyor (2); a photoelectric sensor (12) is arranged on the outer wall of the bottom surface of the detection box (1), the detection direction of the photoelectric sensor (12) is vertically downward, and the photoelectric sensor and the right side edge of the strip-shaped hole (9) are positioned on the same straight line; the detection direction of the distance measuring sensor (6) is vertically downward and is opposite to the conveying belt of the small belt conveyor (2); a detection processor (13) is arranged in the detection box (1), and the detection processor (13) is respectively and electrically connected with the small belt conveyor (2), the length measuring sensor (5), the distance measuring sensor (6), the photoelectric sensor (12) and the first electric push rod (7); the detection processor (13) is used for controlling the small-sized belt conveyor (2) to stop moving when the photoelectric sensor (12) detects the leveling staff, sending a starting instruction to the first electric push rod (7), controlling the first electric push rod (7) to drive the distance measuring sensor (6) to move right above a measuring point according to the length information of the leveling staff detected by the length measuring sensor (5), measuring the distance of the measuring point by the distance measuring sensor (6) to obtain a distance measuring result, receiving the distance measuring result and controlling the small-sized belt conveyor (2) to continue moving, and meanwhile calculating the bending difference of the leveling staff according to the distance measuring result.
2. The apparatus of claim 1 for automatically detecting a differential bend in a levelling rod, wherein: a second electric push rod (15) is arranged on the outer wall of the bottom surface of the detection box (1), and the moving direction of the second electric push rod (15) is vertical downward; a mark stamp (16) is arranged at the bottom end of the second electric push rod (15), and a stamp pattern of the mark stamp (16) is opposite to a conveyor belt of the small belt conveyor (2).
3. The apparatus of claim 2, wherein the means for automatically detecting a bend difference of the levelling rod comprises: the second electric push rod (15) is located on the right side of the strip-shaped hole (9), and the second electric push rod (15) is electrically connected with the detection processor (13).
4. The apparatus of claim 1 for automatically detecting a differential bend in a levelling rod, wherein: baffle plates (10) with the length being consistent with that of the small belt conveyor (2) are arranged on the front side and the rear side of a conveying belt of the small belt conveyor (2) along the conveying direction, and the baffle plates are parallel to each other.
5. The apparatus of claim 1 for automatically detecting a differential bend in a levelling rod, wherein: the conveying belt of the small belt conveyor (2) is provided with a plurality of limiting strips (11) at equal intervals, and the limiting strips (11) are perpendicular to the conveying direction of the small belt conveyor (2).
6. The apparatus of claim 1 for automatically detecting a differential bend in a levelling rod, wherein: the outer wall of the bottom surface of the detection box (1) is provided with a plurality of support columns (4).
7. The apparatus of claim 1 for automatically detecting a differential bend in a levelling rod, wherein: and a display screen (14) is arranged on the outer wall of the top of the detection box (1).
8. The apparatus of claim 1 for automatically detecting a differential bend in a levelling rod, wherein: a collecting box (3) is arranged below the tail end of the conveying belt of the small belt conveyor (2).
9. The apparatus of claim 1 for automatically detecting a differential bend in a levelling rod, wherein: the width of the conveying belt of the small belt conveyor (2) is consistent with that of the leveling staff.
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