CN108592758B - Pitch detection device - Google Patents
Pitch detection device Download PDFInfo
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- CN108592758B CN108592758B CN201810666161.2A CN201810666161A CN108592758B CN 108592758 B CN108592758 B CN 108592758B CN 201810666161 A CN201810666161 A CN 201810666161A CN 108592758 B CN108592758 B CN 108592758B
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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
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
- G01B5/143—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures between holes on a workpiece
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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
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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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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- General Physics & Mathematics (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention discloses a hole distance detection device, and belongs to the technical field of detection equipment. The angle measuring device comprises a lower ruler, a lower auxiliary ruler slide block mechanism, an upper ruler, an upper auxiliary ruler slide block mechanism, a central shaft and a transparent angle disc provided with angle scales; the lower ruler comprises a lower rectangular ruler plate, scales are arranged on the side wall of the lower rectangular ruler plate along the length direction of the lower rectangular ruler plate, a lower connecting column is fixedly connected to the left end of the top surface of the lower rectangular ruler plate, two lower ruler clamping strips parallel to the lower rectangular ruler plate are fixedly connected to the right side face of the lower connecting column at intervals from top to bottom in parallel, a lower ruler sliding groove is formed between the two lower ruler clamping strips, and a lower shaft seat is fixedly connected to the left side face of the lower connecting column. The invention has various functions, can realize the detection and measurement of the hole distance and the angle position relation among the three holes, the distance between the measuring hole and the side line and the like, does not need the cooperation of other detection devices, has accurate measurement and high positioning precision, and can greatly reduce the detection times, shorten the detection time and improve the working efficiency particularly for the detection of multiple holes.
Description
Technical Field
The invention belongs to the technical field of detection equipment, and particularly relates to a hole distance detection device.
Background
During the manufacturing process of mechanical parts, the distance between holes processed on the parts needs to be measured and detected. The existing hole distance measuring device has single function, can only detect the hole distance with fixed distance, and cannot be used for directly measuring the hole distance; the distance between the two holes can be detected at the same time, and the parts with more holes need to be detected one by one, so that the measurement times are more, the time is long, and the efficiency is greatly reduced; when the position relation between the holes needs to be measured, the holes can be completed only by matching other devices such as a protractor and the like, and the work is complicated; when the distance between two holes of the measuring part is larger, the small measuring device has insufficient range; when the aperture to be detected is small, the measurement of the distance between the two holes is not easy to carry out. The requirement of actual detection cannot be met.
Disclosure of Invention
The invention aims to solve the problems that the existing hole distance measuring device has single function, can only detect the hole distance with fixed distance and cannot be used for directly measuring the hole distance; the distance between the two holes can be detected at the same time, and the parts with more holes need to be detected one by one, so that the measurement times are more, the time is long, and the efficiency is greatly reduced; when the position relation between the holes needs to be measured, the holes can be completed only by matching other devices such as a protractor and the like, and the work is complicated; when the distance between two holes of the measuring part is larger, the small measuring device has insufficient range; when the aperture to be detected is small, the measurement of the distance between the two holes is not easy to carry out. The problem that the requirement of actual detection cannot be met is solved, and the pitch detection device is provided.
In order to achieve the purpose, the invention adopts the following technical scheme: a hole distance detection device comprises a lower ruler, a lower auxiliary ruler slide block mechanism, an upper ruler, an upper auxiliary ruler slide block mechanism, a central shaft and a transparent angle disc provided with angle scales; the lower ruler comprises a lower rectangular ruler plate, scales are arranged on the side wall of the lower rectangular ruler plate along the length direction of the lower rectangular ruler plate, a lower connecting column is fixedly connected to the left end of the top surface of the lower rectangular ruler plate, two lower ruler clamping strips parallel to the lower rectangular ruler plate are fixedly connected to the right side surface of the lower connecting column in parallel at intervals from top to bottom, a lower ruler sliding groove is formed between the two lower ruler clamping strips, and a lower shaft seat is fixedly connected to the left side surface of the lower connecting column;
the lower auxiliary ruler sliding block mechanism comprises a lower auxiliary ruler reading sliding block and a lower auxiliary ruler measuring sliding block which are arranged in parallel at intervals, and lower auxiliary ruler rib plates are connected to the middle part of the lower auxiliary ruler reading sliding block and the middle part of the lower auxiliary ruler measuring sliding block, so that the cross section of the lower auxiliary ruler sliding block mechanism is dumbbell-shaped, a lower auxiliary ruler clamping groove is formed between the lower auxiliary ruler reading sliding block and the lower auxiliary ruler measuring sliding block and on two sides of each lower auxiliary ruler rib plate, and lower auxiliary ruler scales are arranged on the side wall of the lower auxiliary ruler reading sliding block;
the upper ruler comprises an upper rectangular ruler plate, scales are arranged on the side wall of the upper rectangular ruler plate along the length direction of the upper rectangular ruler plate, an upper connecting column is fixedly connected to the left end of the bottom surface of the upper rectangular ruler plate, two upper ruler clamping strips parallel to the upper rectangular ruler plate are fixedly connected to the right side surface of the upper connecting column in parallel at intervals from top to bottom, an upper ruler sliding groove is formed between the two upper ruler clamping strips, and an upper shaft seat is fixedly connected to the left side surface of the upper connecting column;
the upper auxiliary ruler sliding block mechanism comprises an upper auxiliary ruler reading sliding block and an upper auxiliary ruler measuring sliding block which are arranged in parallel at intervals, and an upper auxiliary ruler rib plate is connected to the middle part of the upper auxiliary ruler reading sliding block and the middle part of the upper auxiliary ruler measuring sliding block, so that the section of the upper auxiliary ruler sliding block mechanism is dumbbell-shaped, an upper auxiliary ruler clamping groove is formed between the upper auxiliary ruler reading sliding block and the upper auxiliary ruler measuring sliding block and on two sides of the upper auxiliary ruler rib plate respectively, and upper auxiliary ruler scales are arranged on the side wall of the upper auxiliary ruler reading sliding block;
the lower ruler and the upper ruler are symmetrically arranged, so that the lower ruler clamping strips are opposite to the upper ruler clamping strips, a lower auxiliary ruler rib plate in the lower auxiliary ruler sliding block mechanism is arranged in a lower ruler sliding groove, and two lower ruler clamping strips in the lower ruler are clamped in lower auxiliary ruler clamping grooves on two sides of the lower auxiliary ruler rib plate; an upper auxiliary ruler rib plate in the upper auxiliary ruler sliding block mechanism is arranged in an upper ruler sliding groove, and two upper ruler clamping strips in the upper ruler are clamped in upper auxiliary ruler clamping grooves on two sides of the upper auxiliary ruler rib plate; the edge of one side, facing the upper ruler, of the lower auxiliary ruler measuring slide block is fixedly connected with a lower semi-conical boss, the edge of one side, facing the lower ruler, of the upper auxiliary ruler measuring slide block is fixedly connected with an upper semi-conical boss, and when the lower auxiliary ruler measuring slide block and the upper auxiliary ruler measuring slide block are closed together, the lower semi-conical boss and the upper semi-conical boss form a complete conical boss; the central shaft sequentially penetrates through the upper shaft seat, the lower shaft seat and the transparent angle disc to connect the upper ruler, the lower ruler and the transparent angle disc.
Preferably, the one end of center pin is provided with center pin circular cone boss, has seted up the external screw thread on the other end of center pin, and is equipped with fastening nut on the external screw thread, and the cover is equipped with the spring on the center pin that is close to center pin circular cone boss one side, go up chi, lower chi and transparent angle disc suit on the center pin between center pin circular cone boss and fastening nut to make transparent angle disc lean on to fastening nut one side, the directive of center pin circular cone boss is the same with the directive of semicircle cone boss, last semicircle cone boss down.
Preferably, the right ends of the two lower clamping strips are provided with a tightening device, and the right ends of the two upper clamping strips are provided with a tightening device; each screwing device comprises a bottom plate, a screw hole plate and a screwing rib plate perpendicular to the middle of the screw hole plate are fixedly connected to one side face of the bottom plate, a screw hole provided with a screwing bolt is formed in each of the screw hole plates on two sides of each screwing rib plate, the screwing rib plate on each screwing device is arranged in the corresponding lower ruler sliding groove or the corresponding upper ruler sliding groove, and each screwing bolt on each screwing device is screwed and matched with the screw hole formed in the right end of the corresponding lower ruler clamping strip or the right end of the corresponding upper ruler clamping strip.
Preferably, a lower auxiliary ruler convex block is arranged on one side surface of the lower auxiliary ruler reading slide block facing the upper ruler, and an upper auxiliary ruler groove is arranged at a position corresponding to the position of the lower auxiliary ruler convex block on one side surface of the upper auxiliary ruler reading slide block facing the lower ruler.
Preferably, a fastening screw hole communicated with the lower auxiliary ruler clamping groove is formed in the lower auxiliary ruler reading sliding block, and a lower auxiliary ruler fastening bolt is arranged in the fastening screw hole; and a fastening screw hole communicated with the upper auxiliary ruler clamping groove is formed in the upper auxiliary ruler reading sliding block, and an upper auxiliary ruler fastening bolt is arranged in the fastening screw hole.
The invention has the beneficial effects that:
the invention has various functions, can realize the detection and measurement of the hole distance and the angle position relation among three holes, the distance between a measuring hole and a side line and the like, does not need the cooperation of other detection devices, has accurate measurement and high positioning precision, can greatly reduce the detection times, shorten the detection time, improve the working efficiency and meet the actual use requirement particularly for the detection of multiple holes.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the lower and upper ruler;
FIG. 3 is a schematic structural diagram of a lower auxiliary ruler slide block mechanism and an upper auxiliary ruler slide block mechanism;
FIG. 4 is a schematic view of the structure of the central shaft;
FIG. 5 is a schematic view of the tightening device;
FIG. 6 is a schematic view of the pitch detection assembly of the present invention after it has been fully deployed;
FIG. 7 is a schematic view showing a three-hole position relationship in use state measured by the present pitch-row measuring apparatus;
fig. 8 is a schematic structural view of a state of use when the present pitch detection apparatus is used to measure the distance from a hole to a certain side line.
Detailed Description
It should be noted that the terms left, right, front, rear, etc. are defined with reference to the view shown in fig. 1, and it should be understood that the use of the terms should not limit the scope of protection claimed in the present application.
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 1 to 5, a pitch detection device comprises a lower ruler 1, a lower auxiliary ruler slide block mechanism 2, an upper ruler 5, an upper auxiliary ruler slide block mechanism 6, a central shaft 8 and a transparent angle disc 7 provided with angle scales; the lower ruler 1 comprises a lower rectangular ruler plate 1a, scales are arranged on the side wall of the lower rectangular ruler plate 1a along the length direction of the lower rectangular ruler plate 1a, a lower connecting column 1b is fixedly connected to the left end of the top surface of the lower rectangular ruler plate 1a, two lower ruler clamping strips 1c parallel to the lower rectangular ruler plate 1a are fixedly connected to the right side surface of the lower connecting column 1b in parallel at intervals from top to bottom, a lower ruler sliding groove 1d is formed between the two lower ruler clamping strips 1c, and a lower shaft seat 1e is fixedly connected to the left side surface of the lower connecting column 1 b;
the lower auxiliary ruler slide block mechanism 2 comprises a lower auxiliary ruler reading slide block 2a and a lower auxiliary ruler measuring slide block 2b which are arranged in parallel at intervals, and lower auxiliary ruler ribbed plates 2c are connected to the middle part of the lower auxiliary ruler reading slide block 2a and the middle part of the lower auxiliary ruler measuring slide block 2b, so that the section of the lower auxiliary ruler slide block mechanism 2 is dumbbell-shaped, a lower auxiliary ruler clamping groove 2d is formed between the lower auxiliary ruler reading slide block 2a and the lower auxiliary ruler measuring slide block 2b and on two sides of the lower auxiliary ruler ribbed plates 2c, and lower auxiliary ruler scales 2e are arranged on the side wall of the lower auxiliary ruler reading slide block 2 a;
the upper ruler 5 comprises an upper rectangular ruler plate 5a, the side wall of the upper rectangular ruler plate 5a is provided with scales along the length direction of the upper rectangular ruler plate 5a, the left end of the bottom surface of the upper rectangular ruler plate 5a is fixedly connected with an upper connecting column 5b, two upper ruler clamping strips 5c parallel to the upper rectangular ruler plate 5a are fixedly connected to the right side surface of the upper connecting column 5b from top to bottom at intervals in parallel, an upper ruler sliding groove 5d is formed between the two upper ruler clamping strips 5c, and an upper shaft seat 5e is fixedly connected to the left side surface of the upper connecting column 5 b;
the upper auxiliary ruler sliding block mechanism 6 comprises an upper auxiliary ruler reading sliding block 6a and an upper auxiliary ruler measuring sliding block 6b which are arranged in parallel at intervals, an upper auxiliary ruler ribbed plate 6c is connected to the middle of the upper auxiliary ruler reading sliding block 6a and the middle of the upper auxiliary ruler measuring sliding block 6b, so that the section of the upper auxiliary ruler sliding block mechanism 6 is dumbbell-shaped, an upper auxiliary ruler clamping groove 6d is formed between the upper auxiliary ruler reading sliding block 6a and the upper auxiliary ruler measuring sliding block 6b and on two sides of the upper auxiliary ruler ribbed plate 6c, and upper auxiliary ruler scales 6e are arranged on the side wall of the upper auxiliary ruler reading sliding block 6 a;
the lower ruler 1 and the upper ruler 5 are symmetrically arranged, so that a lower ruler clamping strip 1c is opposite to an upper ruler clamping strip 5c, a lower auxiliary ruler rib plate 2c in the lower auxiliary ruler sliding block mechanism 2 is arranged in a lower ruler sliding groove 1d, and two lower ruler clamping strips 1c in the lower ruler 1 are clamped into lower auxiliary ruler clamping grooves 2d on two sides of the lower auxiliary ruler rib plate 2 c; an upper auxiliary ruler rib plate 6c in the upper auxiliary ruler sliding block mechanism 6 is arranged in an upper ruler sliding groove 5d, and two upper ruler clamping strips 5c in the upper ruler 5 are clamped in upper auxiliary ruler clamping grooves 6d on two sides of the upper auxiliary ruler rib plate 6 c; the edge of one side, facing the upper ruler 5, of the lower auxiliary ruler measuring slide block 2b is fixedly connected with a lower semi-conical boss 2f, the edge of one side, facing the lower ruler 1, of the upper auxiliary ruler measuring slide block 6b is fixedly connected with an upper semi-conical boss 6f, and when the lower auxiliary ruler measuring slide block 2b and the upper auxiliary ruler measuring slide block 6b are closed together, the lower semi-conical boss 2f and the upper semi-conical boss 6f form a complete conical boss; the central shaft 8 sequentially penetrates through the upper shaft seat 5e, the lower shaft seat 1e and the transparent angle disc 7 to connect the upper ruler 5, the lower ruler 1 and the transparent angle disc 7.
On the basis of the above technical scheme, as shown in fig. 4, one end of the central shaft 8 is provided with a central shaft conical boss 8a, the other end of the central shaft 8 is provided with an external thread 8b, a fastening nut 8c is assembled on the external thread 8b, a spring 8d is sleeved on the central shaft 8 close to one side of the central shaft conical boss 8a, the upper ruler 5, the lower ruler 1 and the transparent angle disc 7 are sleeved on the central shaft 8 between the central shaft conical boss 8a and the fastening nut 8c, and the transparent angle disc 7 is close to one side of the fastening nut 8c, and the direction of the central shaft conical boss 8a is the same as the direction of the lower semicircular conical boss 2f and the upper semicircular boss 6 f. So set up, as shown in fig. 6, when measuring the pitch-row of two holes, in order to increase the range, rotate lower ruler 1 and upper ruler 5 to 180 around center pin 8, lower ruler 1 and upper ruler 5 are on a straight line to with spring 8d, center pin circular cone boss 8a retract in upper axle bed 5e, lower axle bed 1e, insert lower semicircle circular cone boss 2f, upper half circular cone boss 6f respectively and wait to detect downthehole two and measure. One end of the spring 8d is propped against the central shaft conical boss 8a, the other end of the spring 8d is propped against the transparent angle disc 7, and after the measurement is finished, the spring 8d ejects the central shaft conical boss 8a again.
On the basis of the technical scheme, as shown in fig. 1, 2 and 5, the right ends of two lower caliper strips 1c are provided with a tightening device 3, and the right ends of two upper caliper strips 5c are provided with a tightening device 3; each tightening device 3 comprises a bottom plate 3a, a screw hole plate 3b and a tightening rib plate 3c perpendicular to the middle of the screw hole plate 3b are fixedly connected to one side face of the bottom plate 3a, a screw hole provided with a tightening bolt 3d is formed in each screw hole plate 3b on two sides of the tightening rib plate 3c, the tightening rib plate 3c on each tightening device 3 is arranged in the corresponding lower ruler sliding groove 1d or the corresponding upper ruler sliding groove 5d, and each tightening bolt 3d on each tightening device 3 is in tightening fit with a screw hole formed in the right end of the corresponding lower ruler clamping strip 1c or the right end of the corresponding upper ruler clamping strip 5 c. So set up, utilize to screw up device 3 and screw up two lower chi draw-in strips 1c, two upper ruler draw-in strips 5c fixedly, simultaneously with lower vice chi slider mechanism 2 restriction in lower chi spout 1d, go up vice chi slider mechanism 6 restriction in upper ruler spout 5d, avoid droing.
On the basis of the technical scheme, as shown in fig. 3, a lower auxiliary ruler convex block 2k is arranged on one side surface of the lower auxiliary ruler reading slide block 2a facing the upper ruler 5, and an upper auxiliary ruler groove 6k is arranged on one side surface of the upper auxiliary ruler reading slide block 6a facing the lower ruler 1 and corresponding to the lower auxiliary ruler convex block 2 k. So set up, when lower chi 1 and upper ruler 5 fold for in lower vice chi lug 2k card on the vice chi slider mechanism 2 of lower was put last vice chi recess 6k on supreme vice chi slider mechanism 6, fixed vice chi slider mechanism 2 of lower becomes an organic whole with last vice chi slider mechanism 6, improves stability and reliability, satisfies the user demand.
On the basis of the technical scheme, as shown in fig. 3, a fastening screw hole communicated with a lower auxiliary ruler clamping groove 2d is formed in a lower auxiliary ruler reading sliding block 2a, and a lower auxiliary ruler fastening bolt 2h is arranged in the fastening screw hole; and a fastening screw hole communicated with the upper auxiliary ruler clamping groove 6d is formed in the upper auxiliary ruler reading sliding block 6a, and an upper auxiliary ruler fastening bolt 6h is arranged in the fastening screw hole. So set up, when adjusting position of vice chi reading slider 2a, last vice chi reading slider 6a down, fix through vice chi fastening bolt 2h down, last vice chi fastening bolt 6h respectively, avoid taking place the drunkenness, satisfy the user demand.
The working principle of the pitch detection device is as follows:
firstly, detecting the distance between two holes: rotate lower chi 1 and upper ruler 5 around center pin 8, fold lower chi 1 and upper ruler 5 for lower vice chi lug 2k card on lower vice chi slider mechanism 2 is put to last vice chi recess 6k on last vice chi slider mechanism 6, fixes lower vice chi slider mechanism 2 and goes up vice chi slider mechanism 6 and becomes an organic whole, screws up fastening nut 8c this moment, further fixes lower chi 1 and upper ruler 5. And moving the lower auxiliary ruler sliding block mechanism 2 and the upper auxiliary ruler sliding block mechanism 6, accurately positioning the lower auxiliary ruler sliding block mechanism 2 and the upper auxiliary ruler sliding block mechanism 6 to the size position required by detection through the main scales on the lower ruler 1 and the upper ruler 5 and the auxiliary scales on the lower auxiliary ruler sliding block mechanism 2 and the upper auxiliary ruler sliding block mechanism 6, and then respectively screwing down the lower auxiliary ruler fastening bolt 2h and the upper auxiliary ruler fastening bolt 6h to fix the position of the lower auxiliary ruler sliding block mechanism 2 on the lower ruler 1 and the position of the upper auxiliary ruler sliding block mechanism 6 on the upper ruler 5. And (3) inserting the central shaft conical boss 8a into one hole to be detected, inserting the lower semicircular conical boss 2f and the upper semicircular conical boss 6f which are combined into a whole into the other hole to be detected, and detecting whether the distance between the two holes meets the requirement or reading the actual hole distance between the two holes.
Secondly, detecting the distance between three holes: as shown in fig. 7, the fastening nut 8c on the central shaft 8 is loosened, the lower ruler 1 and the upper ruler 5 are rotated around the central shaft 8, the lower ruler 1 and the upper ruler 5 are separated, the auxiliary ruler slide block mechanism 2 on the lower ruler 1 is slid, the position, required by a first hole to be detected, is accurately positioned through the main scale on the lower ruler 1 and the auxiliary scale on the auxiliary ruler slide block mechanism 2, and then the lower auxiliary ruler fastening bolt 2h is screwed down; the upper auxiliary ruler slide block mechanism 6 on the upper ruler 5 slides, the main scale on the upper ruler 5 and the auxiliary scale on the upper auxiliary ruler slide block mechanism 6 are used for accurately positioning to the second position of the size required by the hole to be detected, and then the upper auxiliary ruler fastening bolt 6h is screwed down. And then inserting a central shaft conical boss 8a on the central shaft 8 into a third hole to be detected, inserting a lower semi-conical boss 2f into the first hole to be detected, inserting an upper semi-conical boss 6f into the second hole to be detected, and detecting whether the distance of the three holes meets the requirement or reading the actual hole distance between the three holes.
①, detecting the position relation between the holes, as shown in figure 7, detecting the position relation between one hole and other two holes, loosening the fastening nut 8c on the central shaft 8, rotating the lower ruler 1 and the upper ruler 5 around the central shaft 8 to separate the lower ruler 1 from the upper ruler 5, sliding the lower auxiliary ruler slider mechanism 2 on the lower ruler 1 and the upper auxiliary ruler slider mechanism 6 on the upper ruler 5, then respectively screwing the lower auxiliary ruler fastening bolt 2h and the upper auxiliary fastening bolt 6h, fixing the position of the lower auxiliary ruler slider mechanism 2 on the lower ruler 1 and the position of the upper auxiliary ruler slider mechanism 6 on the upper ruler 5, then inserting the upper half cone boss 6f on the upper auxiliary ruler slider mechanism 6 into the first hole to be detected, respectively inserting the central shaft cone boss 8a on the central shaft 8 and the lower half cone boss 2f on the lower auxiliary ruler slider mechanism 2 into the other two holes to be detected, screwing the fastening nut 8c, and measuring the included angle between the upper ruler 5 and the lower ruler 1 through the transparent angle disc 7, namely, and determining the corresponding position of the hole to be detected, and the corresponding hole distance between the upper ruler slider mechanism.
②, as shown in fig. 8, detecting the distance from a hole to a side line, namely loosening the fastening nut 8c on the central shaft 8, rotating the lower ruler 1 and the upper ruler 5 around the central shaft 8 to separate the lower ruler 1 from the upper ruler 5, adjusting the upper ruler 5 and the lower ruler 1 simultaneously, setting the included angle of the upper ruler 5 and the lower ruler 1 to be 90 degrees through the transparent angle disc 7, screwing the fastening nut 8c on the central shaft 8, attaching the lower ruler 1 to the side line to be detected, moving the upper auxiliary ruler slide block mechanism 6 on the upper ruler 5 to insert the conical boss 6f on the upper auxiliary ruler slide block mechanism 6 into the upper half hole to be detected, fixing the upper auxiliary ruler fastening bolt 6h on the upper auxiliary ruler slide block mechanism 6, and reading the reading of the upper ruler 5, namely the distance from the hole to the side line to be detected.
The limitation of the protection scope of the present invention is understood by those skilled in the art, and various modifications or changes which can be made by those skilled in the art without inventive efforts based on the technical solution of the present invention are still within the protection scope of the present invention.
Claims (5)
1. A pitch-row detection device is characterized in that: the angle measuring device comprises a lower ruler, a lower auxiliary ruler slide block mechanism, an upper ruler, an upper auxiliary ruler slide block mechanism, a central shaft and a transparent angle disc provided with angle scales; the lower ruler comprises a lower rectangular ruler plate, scales are arranged on the side wall of the lower rectangular ruler plate along the length direction of the lower rectangular ruler plate, a lower connecting column is fixedly connected to the left end of the top surface of the lower rectangular ruler plate, two lower ruler clamping strips parallel to the lower rectangular ruler plate are fixedly connected to the right side surface of the lower connecting column in parallel at intervals from top to bottom, a lower ruler sliding groove is formed between the two lower ruler clamping strips, and a lower shaft seat is fixedly connected to the left side surface of the lower connecting column;
the lower auxiliary ruler sliding block mechanism comprises a lower auxiliary ruler reading sliding block and a lower auxiliary ruler measuring sliding block which are arranged in parallel at intervals, and lower auxiliary ruler rib plates are connected to the middle part of the lower auxiliary ruler reading sliding block and the middle part of the lower auxiliary ruler measuring sliding block, so that the cross section of the lower auxiliary ruler sliding block mechanism is dumbbell-shaped, a lower auxiliary ruler clamping groove is formed between the lower auxiliary ruler reading sliding block and the lower auxiliary ruler measuring sliding block and on two sides of each lower auxiliary ruler rib plate, and lower auxiliary ruler scales are arranged on the side wall of the lower auxiliary ruler reading sliding block;
the upper ruler comprises an upper rectangular ruler plate, scales are arranged on the side wall of the upper rectangular ruler plate along the length direction of the upper rectangular ruler plate, an upper connecting column is fixedly connected to the left end of the bottom surface of the upper rectangular ruler plate, two upper ruler clamping strips parallel to the upper rectangular ruler plate are fixedly connected to the right side surface of the upper connecting column in parallel at intervals from top to bottom, an upper ruler sliding groove is formed between the two upper ruler clamping strips, and an upper shaft seat is fixedly connected to the left side surface of the upper connecting column;
the upper auxiliary ruler sliding block mechanism comprises an upper auxiliary ruler reading sliding block and an upper auxiliary ruler measuring sliding block which are arranged in parallel at intervals, and an upper auxiliary ruler rib plate is connected to the middle part of the upper auxiliary ruler reading sliding block and the middle part of the upper auxiliary ruler measuring sliding block, so that the section of the upper auxiliary ruler sliding block mechanism is dumbbell-shaped, an upper auxiliary ruler clamping groove is formed between the upper auxiliary ruler reading sliding block and the upper auxiliary ruler measuring sliding block and on two sides of the upper auxiliary ruler rib plate respectively, and upper auxiliary ruler scales are arranged on the side wall of the upper auxiliary ruler reading sliding block;
the lower ruler and the upper ruler are symmetrically arranged, so that the lower ruler clamping strips are opposite to the upper ruler clamping strips, a lower auxiliary ruler rib plate in the lower auxiliary ruler sliding block mechanism is arranged in a lower ruler sliding groove, and two lower ruler clamping strips in the lower ruler are clamped in lower auxiliary ruler clamping grooves on two sides of the lower auxiliary ruler rib plate; an upper auxiliary ruler rib plate in the upper auxiliary ruler sliding block mechanism is arranged in an upper ruler sliding groove, and two upper ruler clamping strips in the upper ruler are clamped in upper auxiliary ruler clamping grooves on two sides of the upper auxiliary ruler rib plate; the edge of one side, facing the upper ruler, of the lower auxiliary ruler measuring slide block is fixedly connected with a lower semi-conical boss, the edge of one side, facing the lower ruler, of the upper auxiliary ruler measuring slide block is fixedly connected with an upper semi-conical boss, and when the lower auxiliary ruler measuring slide block and the upper auxiliary ruler measuring slide block are closed together, the lower semi-conical boss and the upper semi-conical boss form a complete conical boss; the central shaft sequentially penetrates through the upper shaft seat, the lower shaft seat and the transparent angle disc to connect the upper ruler, the lower ruler and the transparent angle disc.
2. The pitch detection device of claim 1, wherein: the one end of center pin is provided with center pin circular cone boss, has seted up the external screw thread on the other end of center pin, and is equipped with fastening nut on the external screw thread, and the cover is equipped with the spring on the center pin that is close to center pin circular cone boss one side, go up chi, lower chi and transparent angle disc suit on the center pin between center pin circular cone boss and fastening nut to make transparent angle disc lean on to fastening nut one side, the directive of center pin circular cone boss is the same with the directive of semicircle cone boss, last semicircle cone boss down.
3. The pitch detection device of claim 2, wherein: the right ends of the two lower ruler clamping strips are provided with a tightening device, and the right ends of the two upper ruler clamping strips are provided with a tightening device; each screwing device comprises a bottom plate, a screw hole plate and a screwing rib plate perpendicular to the middle of the screw hole plate are fixedly connected to one side face of the bottom plate, a screw hole provided with a screwing bolt is formed in each of the screw hole plates on two sides of each screwing rib plate, the screwing rib plate on each screwing device is arranged in the corresponding lower ruler sliding groove or the corresponding upper ruler sliding groove, and each screwing bolt on each screwing device is screwed and matched with the screw hole formed in the right end of the corresponding lower ruler clamping strip or the right end of the corresponding upper ruler clamping strip.
4. A pitch detection device according to claim 3, wherein: a lower auxiliary ruler convex block is arranged on one side surface of the lower auxiliary ruler reading slide block facing the upper ruler, and an upper auxiliary ruler groove is arranged at the position corresponding to the lower auxiliary ruler convex block on one side surface of the upper auxiliary ruler reading slide block facing the lower ruler.
5. The pitch detection device of claim 4, wherein: a fastening screw hole communicated with the lower auxiliary ruler clamping groove is formed in the lower auxiliary ruler reading sliding block, and a lower auxiliary ruler fastening bolt is arranged in the fastening screw hole; and a fastening screw hole communicated with the upper auxiliary ruler clamping groove is formed in the upper auxiliary ruler reading sliding block, and an upper auxiliary ruler fastening bolt is arranged in the fastening screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810666161.2A CN108592758B (en) | 2018-06-21 | 2018-06-21 | Pitch detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810666161.2A CN108592758B (en) | 2018-06-21 | 2018-06-21 | Pitch detection device |
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| CN108592758A CN108592758A (en) | 2018-09-28 |
| CN108592758B true CN108592758B (en) | 2020-07-28 |
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| CN201810666161.2A Active CN108592758B (en) | 2018-06-21 | 2018-06-21 | Pitch detection device |
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| CN112484606A (en) * | 2020-11-20 | 2021-03-12 | 昌河飞机工业（集团）有限责任公司 | Mounting angle positioning detection tool and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52108945U (en) * | 1976-02-13 | 1977-08-18 | ||
| CN201415568Y (en) * | 2009-04-28 | 2010-03-03 | 陕西科技大学 | Multifunctional ruler for teaching |
| CN203511079U (en) * | 2013-10-28 | 2014-04-02 | 湖北工业大学 | Multifunctional teaching ruler |
| CN206154977U (en) * | 2016-08-27 | 2017-05-10 | 乌鲁木齐职业大学 | Machine design tool ruler |
| CN106441025B (en) * | 2016-10-31 | 2018-10-23 | 河南平高电气股份有限公司 | The right-angle side pitch-row survey tool of structure hole on parts rake |
| CN108731570A (en) * | 2017-04-21 | 2018-11-02 | 兰州兰石重型装备股份有限公司 | A kind of pitch-row size detection vernier scale and application method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52108945U (en) * | 1976-02-13 | 1977-08-18 | ||
| CN201415568Y (en) * | 2009-04-28 | 2010-03-03 | 陕西科技大学 | Multifunctional ruler for teaching |
| CN203511079U (en) * | 2013-10-28 | 2014-04-02 | 湖北工业大学 | Multifunctional teaching ruler |
| CN206154977U (en) * | 2016-08-27 | 2017-05-10 | 乌鲁木齐职业大学 | Machine design tool ruler |
| CN106441025B (en) * | 2016-10-31 | 2018-10-23 | 河南平高电气股份有限公司 | The right-angle side pitch-row survey tool of structure hole on parts rake |
| CN108731570A (en) * | 2017-04-21 | 2018-11-02 | 兰州兰石重型装备股份有限公司 | A kind of pitch-row size detection vernier scale and application method |
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| CN108592758A (en) | 2018-09-28 |
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