CN109000544B - Hole center distance measuring device for vertically intersected holes - Google Patents
Hole center distance measuring device for vertically intersected holes Download PDFInfo
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- CN109000544B CN109000544B CN201810780351.7A CN201810780351A CN109000544B CN 109000544 B CN109000544 B CN 109000544B CN 201810780351 A CN201810780351 A CN 201810780351A CN 109000544 B CN109000544 B CN 109000544B
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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
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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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- Length-Measuring Instruments Using Mechanical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention belongs to the technical field of mechanical measuring devices, and particularly relates to a hole center distance measuring device for a vertical intersecting hole, which comprises a base, a measuring scale and a measuring head, wherein a measuring support and a hollow rotating platform are sequentially arranged on the base along the X-axis direction, a support cross rod is arranged on the measuring support, and a measuring support sliding along the Y-axis direction is arranged on the support cross rod; the hollow rotary platform comprises a box body and an output rotary table which is rotatably arranged on the box body, the rotating center line of the output rotary table faces to the X-axis direction, and a clamp for clamping a workpiece is arranged on the output rotary table; the measuring scale is arranged on the measuring frame in a sliding mode along the Z-axis direction, faces the X-axis direction and is located between the measuring frame and the clamp; the measuring head is a cone which shrinks downwards, the measuring head is arranged on the measuring scale in a sliding mode along the X-axis direction, and the small end of the measuring head faces downwards. Has the advantages that: the invention reduces the workload when rotating the workpiece or measuring the relative position of the hole, improves the measurement precision and reduces certain cost.
Description
Technical Field
The invention belongs to the technical field of mechanical measuring devices, and particularly relates to a hole center distance measuring device for vertically intersected holes.
Background
Generally, a part with two perpendicularly-intersected holes has a certain precision requirement on the distance between the centers of the two holes, but because the two perpendicularly-intersected holes are not on the same plane, the measurement of the distance between the centers of the two perpendicularly-intersected holes by a general measuring tool or a general checking tool is difficult, and a large error exists in the measurement aspect, so that the dimensional precision of the center hole cannot be accurately grasped. Meanwhile, for some small and medium-sized enterprises to measure by using some high-precision instruments, the trouble of increasing the cost is also brought.
Disclosure of Invention
The invention provides a hole center distance measuring device for vertically intersected holes, aiming at solving the problems of difficulty in measuring the center distance of the vertically intersected holes and large measuring error in the prior art.
In order to solve the technical problem, the technical scheme adopted by the invention is that the hole center distance measuring device of the vertical intersected holes comprises a base, a measuring scale and a measuring head, wherein a measuring support and a hollow rotating platform are sequentially arranged on the base along the X-axis direction, a support cross rod is arranged on the measuring support, and a measuring frame sliding along the Y-axis direction is arranged on the support cross rod; the hollow rotary platform comprises a box body and an output rotary table which is rotatably arranged on the box body, the rotating center line of the output rotary table faces to the X-axis direction, and a clamp for clamping a workpiece is arranged on the output rotary table; the measuring scale is arranged on the measuring frame in a sliding mode along the Z-axis direction, faces the X-axis direction and is located between the measuring frame and the clamp; the measuring head is in a downward-contracted conical shape, is arranged on the measuring scale in a sliding manner along the X-axis direction, and has a small end facing downwards;
the measuring head is connected with the measuring scale in a sliding manner along the X-axis direction through the measuring head connecting piece, a large scale is carved on the measuring scale along the X-axis direction, and a small scale matched with the large scale is carved on the measuring head connecting piece along the X-axis direction;
the clamp comprises a clamp body and an operating rod, the clamp body is fixedly connected with the output rotary table, one side of the clamp body, which is far away from the output rotary table, is sequentially extended outwards to form a fixed clamping block and a clamping bulge, a sliding clamping block which moves close to or far away from the fixed clamping block is arranged on the clamp body in a sliding mode, the fixed clamping block, the sliding clamping block and the clamping bulge are arranged in a direction perpendicular to the X axis, the operating rod penetrates through the clamping bulge and is in threaded connection with the clamping bulge, and one end of the operating rod is fixedly connected with the sliding clamping block;
the workpiece to be measured is provided with two vertically intersected holes, the two holes are not in the same plane, during measurement, the workpiece is placed between the fixed clamping block and the sliding clamping block, the axes of the two holes are perpendicular to the X-axis direction, the axis of the first hole is in the same direction as the axis of the measuring head, and then the operating rod is screwed to drive the sliding clamping block to slide towards the fixed clamping block so as to clamp the workpiece; then, the position of the measuring head is adjusted, so that the small end of the measuring head is inserted into the first hole until the measuring head is matched with the first hole, the axis of the measuring head is coincided with the axis of the first hole, the reading of the large scale relative to the measuring head connecting piece is observed firstly, the reading aligned with the large scale on the small scale is observed, and the scale at the moment is marked as l1；
After the position of the first hole is measured, the measuring head is enabled to be located at a safe position in a sliding mode, the output turntable drives the clamp and the workpiece to rotate 90 degrees by operating the hollow rotating platform, the axis of the second hole is enabled to be identical to the axis of the measuring head in direction, and the first hole is measured repeatedlyAnd (3) recording the reading of the large scale relative to the measuring head connecting piece, observing the reading aligned with the large scale on the small scale, and recording the scale at the moment as l2(ii) a The hole center distance of two perpendicularly intersecting holes is: l2-l1。
Preferably, a connecting column extends upwards from the large end of the measuring head, the measuring head connecting piece is U-shaped, the connecting column is fixedly connected with the measuring head connecting piece, X guide grooves are formed in two sides of the measuring scale, and X guide convex strips matched with the X guide grooves extend inwards from two sides of the measuring head connecting piece. The dipperstick is located the recess that is the dipperstick connecting piece of U type, and when sliding the gauge head connecting piece along the dipperstick, the gauge head connecting piece drives the gauge head and slides along the dipperstick, and the setting of X direction sand grip and X guide way improves the gauge head along the gliding direction precision of X axle direction, improves this measuring device's measurement accuracy.
As preferred, the fixed dipperstick connecting piece that is provided with on the dipperstick, the dipperstick passes through the dipperstick connecting piece and slides and set up on the measuring rack, the Y guide way has all been seted up to the both sides of measuring rack, it has the through-hole to run through on the dipperstick connecting piece, the measuring rack passes the through-hole, the both sides of through-hole all inwards extend have with Y guide way complex Y direction sand grip.
Furthermore, the bottom of the measuring support extends outwards to form a connecting block, the connecting block is fixedly arranged on the base, the number of the measuring supports is two, the measuring supports are distributed at intervals along the Y-axis direction, and two ends of the support cross rod are respectively fixedly arranged at the top ends of the two measuring supports. The arrangement of the two measuring supports improves the stability and the reliability of the measuring device.
Further, one side of the box body, which is far away from the output rotary disc, is provided with a control box, a boss extends upwards from the base, a containing groove is formed in the top end of the boss, the control box is arranged in the containing groove, and the box body is fixedly connected with the boss. The hollow rotary platform is the prior art, such as the hollow rotary platform disclosed in patent No. 201520701416.6, the rotation angle of the output turntable can be set to 90 degrees, and the cost is low while the measurement accuracy of the measuring device is improved.
Has the advantages that: according to the hole center distance measuring device for the vertically intersected holes, the measuring head is driven to move in the Y-axis direction by respectively sliding the measuring frame, the measuring head is driven to move in the Z-axis direction by sliding the measuring scale connecting piece, and the measuring head is driven to move in the X-axis direction by sliding the measuring head connecting piece, so that the measuring head slides in a three-coordinate system, and the hole center distance measuring device is simple in structure and convenient and fast to operate; meanwhile, the hollow rotary platform and the clamp in the measuring device can accurately turn the part by 90 degrees, so that the measurement of the hole center distance of the vertically intersected holes is more convenient and accurate; the method can reduce the workload and improve the measurement precision when rotating the workpiece or measuring the relative position of the hole, and can reduce certain cost for certain small enterprises to a certain extent.
Drawings
FIG. 1 is a schematic perspective view of a hole center distance measuring device for vertically intersecting holes according to the present invention;
FIG. 2 is an exploded view of the assembly of the measuring tape and the measuring head of the hole center distance measuring device of the vertically intersecting holes of the present invention;
FIG. 3 is an exploded view of the assembly of the fixture and hollow rotating platform of the hole center distance measuring device of the vertically intersecting holes of the present invention;
FIG. 4 is a schematic perspective view of a hole center distance measuring device for vertically intersecting holes according to the present invention, when measuring a first hole;
FIG. 5 is a schematic perspective view of a second hole measured by the pitch-measuring device for perpendicularly intersecting holes according to the present invention;
in the figure, 1, a base, 1-1, a boss, 1-2, a containing groove, 2, a measuring scale, 2-1, an X guide groove, 2-2, a large scale, 2-3, a measuring scale connecting piece, 2-4, a through hole, 2-5, a Y guide convex strip, 3, a measuring head, 3-1, a connecting column, 3-2, a measuring head connecting piece, 3-3, an X guide convex strip, 3-4, a small scale, 4, a measuring support, 4-1, a connecting block, 5, a hollow rotary platform, 5-1, a box body, 5-2, an output turntable, 5-3, a control box, 6, a support cross rod, 7, a measuring frame, 7-1, a Y guide groove, 8, a clamp, 8-1, a clamp body, 8-2, an operating rod, 8-3, a fixed clamping block, 8-4, The clamping device comprises clamping protrusions 8-5, a sliding clamping block 9, X screws 10, Y screws 11, support screws 12, pins 13, clamp screws 14, box screws 15, a workpiece 15-1, a first hole 15-2 and a second hole.
Detailed Description
Examples
As shown in fig. 1 to 5, a hole center distance measuring device for a vertical intersecting hole includes a base 1, a measuring scale 2 and a measuring head 3, wherein a measuring support 4 and a hollow rotating platform 5 are sequentially arranged on the base 1 along an X-axis direction, a support cross rod 6 is arranged on the measuring support 4, and a measuring frame 7 sliding along a Y-axis direction is arranged on the support cross rod 6; the hollow rotary platform 5 comprises a box body 5-1 and an output rotary table 5-2 rotatably arranged on the box body 5-1, the rotation center line of the output rotary table 5-2 faces the X-axis direction, a clamp 8 for clamping a workpiece 15 is arranged on the output rotary table 5-2, a control box 5-3 is arranged on one side of the box body 5-1 away from the output rotary table 5-2, a boss 1-1 extends upwards from the base 1, a containing groove 1-2 is arranged at the top end of the boss 1-1, the control box 5-3 is arranged in the containing groove 1-2, the box body 5-1 is fixedly connected with the boss 1-1 through a box body screw 14, the hollow rotary platform 5 is the prior art, and can be selected from the hollow rotary platform 5 disclosed in patent No. 201520701416.6, the cost is low while the measurement precision of the measurement device is improved; the measuring scale 2 is arranged on the measuring frame 7 in a sliding mode along the Z-axis direction, and the measuring scale 2 is arranged towards the X-axis direction and is located between the measuring frame 7 and the clamp 8; the measuring head 3 is a cone which shrinks downwards, the measuring head 3 is arranged on the measuring scale 2 in a sliding mode along the X-axis direction, and the small end of the measuring head faces downwards.
In order to improve the precision of the measuring device, a connecting column 3-1 extends upwards from the large end of the measuring head 3, a U-shaped measuring head connecting piece 3-2 is fixedly arranged on the connecting column 3-1, the measuring head connecting piece 3-2 is fixedly connected with the connecting column 3-1 through an X screw 9, X guide grooves 2-1 are formed in two sides of the measuring scale 2, and X guide convex strips 3-3 matched with the X guide grooves 2-1 extend inwards from two sides of the measuring head connecting piece 3-2; a measuring scale connecting piece 2-3 is fixedly arranged on the measuring scale 2, the measuring scale connecting piece 2-3 is fixedly connected with the measuring scale 2 through a Y screw 10, the measuring scale 2 is arranged on a measuring frame 7 in a sliding mode through the measuring scale connecting piece 2-3, Y guide grooves 7-1 are formed in two sides of the measuring frame 7, through holes 2-4 penetrate through the measuring scale connecting piece 2-3, the measuring frame 7 penetrates through the through holes 2-4, and Y guide convex strips 2-5 matched with the Y guide grooves 7-1 extend inwards from two sides of the through holes 2-4; the measuring scale 2 is provided with a large scale 2-2 along the X-axis direction, and the measuring head connecting piece 3-2 is provided with a small scale 3-4 matched with the large scale 2-2 along the X-axis direction. After the measuring head connecting piece 3-2 slides for a certain distance along the measuring scale 2 and stops sliding, the reading of the large scale 2-2 of the measuring head connecting piece 3-2 relative to the large scale 2-2 is observed, and then the reading of the small scale 3-4 aligned with the large scale 2-2 is observed, so that the aim of accurate measurement is fulfilled.
In order to make the structure of the measuring device simple and ensure the stability and reliability of the measuring device, the bottom end of the measuring support 4 extends outwards to form a connecting block 4-1, the connecting block 4-1 is fixed on the base 1 through a support screw 11, the number of the measuring supports 4 is two, the two measuring supports 4 are distributed at intervals along the Y-axis direction, the upper part of the measuring support 4 is penetrated with a cross rod through hole 2-4 along the Y-axis direction, and two ends of a support cross rod 6 respectively penetrate through the cross rod through holes 2-4 of the two measuring supports 4 and are fixed on the measuring supports 4 through pins 12; the clamp 8 comprises a clamp body 8-1 and an operating rod 8-2, the clamp body 8-1 is fixedly connected with the output turntable 5-2 through a clamp screw 13, one side of the clamp body 8-1 far away from the output turntable 5-2 is sequentially extended outwards with a fixed clamping block 8-3 and a clamping bulge 8-4, the clamp body 8-1 is provided with a sliding clamping block 8-5 which moves close to or far away from the fixed clamping block 8-3 in a sliding way, the fixed clamping block 8-3, the sliding clamping block 8-5 and the clamping bulge 8-4 are arranged along the direction vertical to the X axis, the operating rod 8-2 penetrates through the clamping protrusion 8-4 and is in threaded connection with the clamping protrusion 8-4, and one end of the operating rod 8-2 is fixedly connected with the sliding clamping block 8-5. The workpiece 15 is placed between the fixed clamping block 8-3 and the sliding clamping block 8-5, the axis of the hole to be measured is perpendicular to the X-axis direction, the operating rod 8-2 is screwed, the sliding clamping block 8-5 is driven to slide towards the fixed clamping block 8-3 to clamp the workpiece 15, and the clamp is simple and reliable in structure, convenient to assemble, simple and convenient to operate and low in cost.
The working principle is as follows:
the workpiece 15 to be measured is provided with two vertically intersected holes which are not in the same plane, the base 1 is placed on a horizontal table, then the workpiece 15 is placed between a fixed clamping block 8-3 and a sliding clamping block 8-5, the axes of the two holes are perpendicular to the X-axis direction, the axis of the first hole 15-1 is the same as the axis of the measuring head 3, and then an operating rod 8-2 is screwed to drive the sliding clamping block 8-5 to slide towards the fixed clamping block 8-3 to clamp the workpiece 15;
after a workpiece 15 is clamped, the measuring head 3 is driven to move in the Y-axis direction by respectively sliding the measuring frame 7, the measuring scale connecting piece 2-3 is driven to move in the Z-axis direction by sliding the measuring scale connecting piece 3-3, the measuring head 3 is driven to move in the X-axis direction by sliding the measuring scale connecting piece 3-2, the position of the measuring head 3 is adjusted, the small end of the measuring head 3 is inserted into the first hole 15-1 until the measuring head 3 is matched with the first hole 15-1, the axis of the measuring head 3 is overlapped with the axis of the first hole 15-1 at the moment, after the position of the measuring head 3 is adjusted, as shown in figure 4, the reading of the large scale 2-2 of the measuring head connecting piece 3-2 relative to the large scale 2-2 is observed, the reading of the small scale 3-4 aligned with the large scale 2-2 is observed
；
After the position of the first hole 15-1 is measured, the measuring head 3 is located at a safe position by respectively sliding the measuring scale connecting piece 2-3, the measuring frame 7 and the measuring head connecting piece 3-2, the hollow rotary platform 5 is operated, the output rotary disc 5-2 drives the clamp 8 and the workpiece 15 to rotate for 90 degrees, the axis of the second hole 15-2 is the same as the axis of the measuring head 3, after the rotation is finished, the steps of measuring the first hole 15-1 are repeated, the position of the measuring head 3 is adjusted by respectively sliding the measuring frame 7 to drive the measuring head 3 to move in the Y-axis direction, sliding the measuring scale connecting piece 2-3 to drive the measuring head 3 to move in the Z-axis direction and sliding the measuring head connecting piece 3-2 to drive the measuring head 3 to move in the X-axis direction, and the small end of the measuring head 3 is inserted into the second hole 15-2 until the measuring head 3 is matched with the second hole 15-2, at this time, the axis of the measuring head 3 and the second hole 15-2, and after the position is adjusted, observing the reading of the large scale 2-2 of the measuring head connecting piece 3-2 relative to the large scale 2-2, and then observing the reading of the small scale 3-4 aligned with the large scale 2-2, and recording the scale at the moment as the scale at the moment
；
Thus, the distance between the centers of two vertically crossed holes can be measured, and the distance between the centers of two vertically crossed holes is
。
Claims (5)
1. A hole center distance measuring device of a vertical intersection hole is characterized in that: the measuring device comprises a base (1), a measuring scale (2) and a measuring head (3), wherein a measuring support (4) and a hollow rotary platform (5) are sequentially arranged on the base (1) along the X-axis direction, a support cross rod (6) is arranged on the measuring support (4), and a measuring frame (7) sliding along the Y-axis direction is arranged on the support cross rod (6); the hollow rotary platform (5) comprises a box body (5-1) and an output rotary table (5-2) rotatably arranged on the box body (5-1), the rotating center line of the output rotary table (5-2) faces to the X-axis direction, and a clamp (8) used for clamping a workpiece (15) is arranged on the output rotary table (5-2); the measuring scale (2) is arranged on the measuring frame (7) in a sliding mode along the Z-axis direction, and the measuring scale (2) is arranged towards the X-axis direction and located between the measuring frame (7) and the clamp (8); the measuring head (3) is in a downward-shrinking conical shape, the measuring head (3) is arranged on the measuring scale (2) in a sliding mode along the X-axis direction, and the small end of the measuring head faces downwards;
the measuring head (3) is connected with the measuring scale (2) in a sliding mode along the X-axis direction through a measuring head connecting piece (3-2), a large scale (2-2) is carved on the measuring scale (2) along the X-axis direction, and a small scale (3-4) matched with the large scale (2-2) is carved on the measuring head connecting piece (3-2) along the X-axis direction;
the clamp (8) comprises a clamp body (8-1) and an operating rod (8-2), the clamp body (8-1) is fixedly connected with the output turntable (5-2), one side, far away from the output turntable (5-2), of the clamp body (8-1) is sequentially and outwardly extended with a fixed clamping block (8-3) and a clamping protrusion (8-4), a sliding clamping block (8-5) which is close to or far away from the fixed clamping block (8-3) is arranged on the clamp body (8-1) in a sliding manner, the fixed clamping block (8-3), the sliding clamping block (8-5) and the clamping protrusion (8-4) are arranged in a direction perpendicular to the X axis, and the operating rod (8-2) penetrates through the clamping protrusion (8-4) and is in threaded connection with the clamping protrusion (8-4), one end of the operating rod (8-2) is fixedly connected with the sliding clamping block (8-5);
the workpiece (15) to be measured is provided with two vertically intersected holes, the two holes are not in the same plane, during measurement, the workpiece (15) is placed between the fixed clamping block (8-3) and the sliding clamping block (8-5), the axes of the two holes are perpendicular to the X-axis direction, the axis of the first hole (15-1) is in the same direction as the axis of the measuring head (3), and then the operating rod (8-2) is screwed to drive the sliding clamping block (8-5) to slide towards the fixed clamping block (8-3) so as to clamp the workpiece (15); then, adjusting the position of the measuring head (3) to enable the small end of the measuring head (3) to be inserted into the first hole (15-1) until the measuring head (3) is matched with the first hole (15-1), enabling the axis of the measuring head (3) to be overlapped with the axis of the first hole (15-1), observing the reading of the large scale (2-2) relative to the measuring head connecting piece (3-2), observing the reading aligned with the large scale (2-2) on the small scale (3-4), and recording the scale at the moment as l1；
After the position of the first hole (15-1) is measured, the measuring head (3) is enabled to be located at a safe position in a sliding mode, the hollow rotating platform (5) is operated, the output rotating disc (5-2) drives the clamp (8) and the workpiece (15) to rotate 90 degrees, the axis of the second hole (15-2) is enabled to be the same as the axis of the measuring head (3), the step when the first hole (15-1) is measured is repeated, the reading of the large scale (2-2) relative to the measuring head connecting piece (3-2) is recorded, the reading aligned with the large scale (2-2) on the small scale (3-4) is observed, and the scale at the moment is marked as l2(ii) a Then two perpendicular phasesThe hole center distance of the intersection holes is as follows: l2-l1。
2. The apparatus of claim 1, wherein: the measuring head is characterized in that a connecting column (3-1) extends upwards from the large end of the measuring head (3), the measuring head connecting piece (3-2) is U-shaped, the connecting column (3-1) is fixedly connected with the measuring head connecting piece (3-2), X guide grooves (2-1) are formed in two sides of the measuring scale (2), and X guide convex strips (3-3) matched with the X guide grooves (2-1) extend inwards from two sides of the measuring head connecting piece (3-2).
3. The pitch measurement device of a perpendicularly intersecting hole according to claim 1 or 2, wherein: the utility model discloses a measuring scale, including dipperstick (2), Y guide way (7-1) have all been seted up to the both sides of measuring frame (7), it has through-hole (2-4) to run through on dipperstick connecting piece (2-3), through-hole (2-4) are passed in measuring frame (7), the both sides of through-hole (2-4) all inwards extend have with Y guide way (7-1) complex Y direction sand grip (2-5) to go up fixed dipperstick connecting piece (2) that is provided with, dipperstick (2) slide to set up on measuring frame (7), Y guide way (7-1) has all been seted up to the both sides of measuring frame (7).
4. The apparatus of claim 1, wherein: the bottom of measuring support (4) outwards extends has connecting block (4-1), connecting block (4-1) is fixed to be set up on base (1), the quantity of measuring support (4) is two, two measure support (4) along Y axle direction interval distribution, the both ends of support horizontal pole (6) are fixed respectively and are set up the top of measuring support (4) two.
5. The apparatus of claim 1, wherein: one side of the box body (5-1) far away from the output rotary table (5-2) is provided with a control box (5-3), a boss (1-1) extends upwards on the base (1), a containing groove (1-2) is formed in the top end of the boss (1-1), the control box (5-3) is arranged in the containing groove (1-2), and the box body (5-1) is fixedly connected with the boss (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810780351.7A CN109000544B (en) | 2018-07-17 | 2018-07-17 | Hole center distance measuring device for vertically intersected holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810780351.7A CN109000544B (en) | 2018-07-17 | 2018-07-17 | Hole center distance measuring device for vertically intersected holes |
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| Publication Number | Publication Date |
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| CN109000544A CN109000544A (en) | 2018-12-14 |
| CN109000544B true CN109000544B (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810780351.7A Active CN109000544B (en) | 2018-07-17 | 2018-07-17 | Hole center distance measuring device for vertically intersected holes |
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| CN109839047B (en) * | 2019-03-14 | 2021-03-16 | 江苏理工学院 | Part surface hole position and center distance size detection tool |
| CN111089559A (en) * | 2019-12-12 | 2020-05-01 | 江苏理工学院 | Detection tool for hole distance, hole-to-plane distance and plane-to-plane distance |
| CN111174661B (en) * | 2020-01-21 | 2021-08-24 | 江苏理工学院 | Hole center distance measuring device for vertically intersected holes |
| CN111947541B (en) * | 2020-07-10 | 2021-12-21 | 江苏理工学院 | Detection method of trapezoidal table size detection device |
| CN114353636B (en) * | 2022-01-06 | 2023-10-24 | 柳州科路测量仪器有限责任公司 | Hole distance measuring device for two holes with vertical axes |
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| CN104374279A (en) * | 2014-11-07 | 2015-02-25 | 常州耐之力刀具制造有限公司 | Hole center distance measurement device for perpendicularly-crossed holes |
| CN105203003B (en) * | 2015-09-14 | 2017-07-21 | 苏州东方模具科技股份有限公司 | The detection method of glass mold baseline positioning hole |
| CN105841587B (en) * | 2016-03-28 | 2018-06-26 | 重庆建设工业(集团)有限责任公司 | A kind of centering measuring apparatus for being used to detect two cross bore centre-to-centre spacing in cross holes |
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2018
- 2018-07-17 CN CN201810780351.7A patent/CN109000544B/en active Active
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