CN115031605B - Multi-contact device for measuring inner and outer diameters of pipeline - Google Patents
Multi-contact device for measuring inner and outer diameters of pipeline Download PDFInfo
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- CN115031605B CN115031605B CN202210533875.2A CN202210533875A CN115031605B CN 115031605 B CN115031605 B CN 115031605B CN 202210533875 A CN202210533875 A CN 202210533875A CN 115031605 B CN115031605 B CN 115031605B
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- 238000005259 measurement Methods 0.000 claims abstract description 23
- 230000001360 synchronised effect Effects 0.000 claims abstract description 5
- 230000003068 static effect Effects 0.000 claims 1
- 230000001788 irregular Effects 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000009472 formulation Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring 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
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
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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
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The device comprises an inner diameter contact mechanism, an inner diameter measurement structure and an outer wall measurement structure, wherein the inner diameter contact mechanism consists of a driving structure and a multipoint contact structure. The device locking structure is also arranged on the inner diameter contact mechanism. The driving structure drives the multipoint contact structure to synchronously expand the circle center in the measured pipeline, so that the multipoint contact structure is contacted with the inner wall of the pipeline at a plurality of points, and after the multipoint contact structure is contacted with the inner wall of the pipeline at a plurality of points, the inner diameter measuring structure is driven to measure the inner diameter of the pipeline on one hand, and meanwhile, the outer wall measuring structure is used for measuring the outer diameter of the pipeline, so that the synchronous measurement of the inner diameter, the outer diameter and the thickness of the irregular pipeline is realized. The device locking structure locks the driving structure, so that the measuring work stability of the multi-contact measuring pipeline inner and outer diameter device is ensured, and the accuracy of measuring the inner diameter, the outer diameter and the thickness of an irregular pipeline is ensured. The device for measuring the inner diameter and the outer diameter of the pipeline by multiple contacts is simple to operate, has strong applicability and is beneficial to field use and construction cost formulation.
Description
Technical Field
The invention relates to a measuring tool, in particular to a multi-contact device for measuring the inner diameter and the outer diameter of a pipeline for engineering cost.
Background
Engineering cost is project budget and expense allocation basis. The engineering cost needs to use various devices to measure and evaluate various aspects of construction or construction profiles, and along with the rising of engineering cost industry, the measuring tool used by the engineering cost is continuously developed, and particularly, the measuring tool for the engineering material with a special shape is continuously improved.
When engineering cost carries out pipeline measurement, the common tool is a large micrometer, a large vernier caliper or a common graduated scale, and the circle center of the pipeline can not be accurately positioned when the tool is used for measurement, and particularly the measuring difficulty of the inner diameter, the outer diameter and the thickness of an irregular pipeline is larger, and the measuring result is inaccurate. In order to make the pipeline measurement result accurate, CN 21474767U gives a device for measuring the inner diameter and the outer diameter of a pipeline, and the device is visually arranged in a pipeline cavity through three groups of spring telescopic rods. The following drawbacks can occur with visual inspection of the placement device: 1. the device is difficult to ensure parallel with the cross section of the pipeline, and the positioning mechanism can incline, so that the measurement of the inner diameter and the outer diameter of the pipeline is wrong; 2. when the inner diameter of the pipeline is large enough and the release of the spring tension is close to the limit, the spring tension is too small, the extrusion force of the three groups of spring telescopic rods to the pipeline wall is reduced, the friction force to the pipeline wall is reduced, the gravity of the positioning mechanism is larger than the friction force to cause oblique falling, and the inner diameter and the outer diameter can be measured wrongly; in addition, the inner diameter measuring ruler and the outer diameter measuring ruler of the device are provided with only one contact respectively, so that measured data are only values of one point position, and are not true values of the inner diameter and the outer diameter of a pipeline, measurement errors can occur, and the various measurement errors have adverse effects on the establishment of engineering cost.
Disclosure of Invention
The invention aims to solve the problems of low precision of measuring the inner diameter and the outer diameter of a pipeline and influence on the establishment of engineering cost in the prior art, and provides the multi-contact device for measuring the inner diameter and the outer diameter of the pipeline, which is convenient to operate, can synchronously measure the inner wall, the outer wall and the wall thickness of the pipeline at one time and has high measurement precision.
The object of the present invention can be achieved. The multi-contact measuring pipeline inner and outer diameter device comprises an inner diameter contact mechanism, an inner diameter measuring structure and an outer wall measuring structure, and is characterized in that: the inner diameter contact mechanism comprises a driving structure and a multi-point contact structure,
The driving structure consists of a manual rod, a transverse plate, a driving shaft, a bearing, a rotating circular plate, an annular sliding block, a fixed circular plate, a gear ring, a driving gear and an annular guide rail, wherein the bearing is arranged in a mounting hole of the fixed circular plate, the driving shaft is arranged in an annular ring in the bearing, the transverse plate is fixed at the top of the driving shaft, the rotating rod is fixed at the outer end of the transverse plate, the driving gear is fixedly arranged below the fixed circular plate by the driving shaft, the gear ring is meshed with the driving gear, the gear ring is fixed in an inner ring of the annular sliding block in an interference fit mode, the outer wall of the annular sliding block is provided with an annular limiting block, the inner wall of the annular guide rail is provided with an annular limiting groove, the annular guide rail is fixedly arranged below the circular plate, the annular sliding block is fixedly arranged above the rotating circular plate, the annular sliding block and the rotating circular plate are provided with a plane synchronous rotating track under the driving of the driving gear,
The multipoint contact structure consists of a limiting chute, a rotary circular plate, a fixed circular plate, pipe orifice contact blocks, measuring round rods, straight rods and arc limiting grooves, wherein the upper surface of the fixed circular plate is provided with a plurality of limiting chutes at equal angles by taking the circle center as a reference, each limiting chute is internally attached and slidingly connected with a sliding block, the bottom of each sliding block is fixedly connected with a straight rod, the bottom of each straight rod is fixedly provided with a pipe orifice contact plate, a measuring round rod is fixed below each pipe orifice contact plate, the rotary circular plate is provided with a plurality of arc limiting grooves with equal quantity at equal intervals corresponding to the number of the limiting chutes, the straight rods penetrate through the arc limiting grooves in a one-to-one correspondence manner and are attached and slidingly connected with the inner walls of the arc limiting grooves,
The inner diameter measuring structure consists of a sliding block, a straight block, a measuring plate and a first scale mark, wherein the first scale mark is positioned at the edge of a notch of any one of the limiting sliding grooves at the top of the fixed circular plate and is parallel to the limiting sliding groove, the top of the sliding block positioned in the limiting sliding groove is fixed with the straight block, the measuring plate is fixed on the straight block, the part of the measuring plate which extends out in the direction far away from the notch is positioned above the first scale mark and is provided with a linear moving track,
The outer wall measurement structure comprises contact rod, first sliding sleeve, first L shaped plate, second scale mark and second sliding sleeve, second L shaped plate and arbitrary straight-bar lower extreme level right angle fixed connection, be equipped with the second scale mark on the lateral wall face before the second L shaped plate, second L shaped plate outer wall and second sliding sleeve inner wall laminating sliding connection, first L shaped plate is connected perpendicularly to second sliding sleeve bottom, first L shaped plate outer wall and first sliding sleeve inner wall laminating sliding connection, the fixed contact rod of level on the first sliding sleeve, the straight-bar that the other end of contact rod is directional, the end of the directional straight-bar of contact rod becomes the toper and laminating with the pipeline outer wall under the measurement state.
The invention relates to a multi-contact device for measuring the inner diameter and the outer diameter of a pipeline, wherein a straight rod and a measuring round rod are coaxial, and the lower surfaces of pipe orifice contact plates on all the straight rods are on the same plane.
The invention relates to a multi-contact device for measuring the inner diameter and the outer diameter of a pipeline, wherein a plurality of groups of arc-shaped limiting grooves and measuring round rods are arranged, the distances between a plurality of sliding blocks on a fixed circular plate and the center of the fixed circular plate are equal, and the straight line distances between the measuring round rods below the sliding blocks and the center of the fixed circular plate are equal.
The invention relates to a multi-contact device for measuring the inner diameter and the outer diameter of a pipeline, wherein an annular sliding block driven by a manual rod through a driving gear and a gear ring and a rotary circular plate are provided with forward and reverse rotation tracks, an expanding or contracting track which takes the center of the pipeline as a reference and takes the inner wall of the pipeline as a target is driven by an arc-shaped limit groove of the rotary circular plate through a straight rod, and a measuring circular rod connected with the straight rod is contacted with or separated from the inner wall of the pipeline at the same time.
The invention relates to a multi-contact device for measuring the inner diameter and the outer diameter of a pipeline, wherein a threaded sleeve is fixed on a transverse plate, a threaded rod is connected in the threaded sleeve in a threaded manner, a nut is arranged on the threaded rod, a locking plate is arranged below the threaded rod to form a device locking structure, the threaded rod is provided with a linear up-and-down reciprocating movement track on the threaded sleeve, the threaded rod moves downwards, and the locking plate and a fixed circular plate are pressed and attached to form a locking state of a driving structure; the threaded rod moves upwards, and the locking plate and the fixed circular plate are separated into an unlocking state of the driving structure.
The invention relates to a multi-contact device for measuring the inner diameter and the outer diameter of a pipeline, wherein the outer side wall of a measuring plate (22) is flush with the outer wall of a measuring round rod (110) below the measuring plate (22).
The multi-contact device for measuring the inner diameter and the outer diameter of the pipeline is different from the prior art in that the multi-contact device for measuring the inner diameter and the outer diameter of the pipeline comprises an inner diameter contact mechanism, an inner diameter measurement structure and an outer wall measurement structure, wherein the inner diameter contact mechanism consists of a driving structure and a multi-point contact structure, and a device locking structure is further arranged on the inner diameter contact mechanism. The driving structure drives the multipoint contact structure to synchronously expand the circle center in the measured pipeline, so that the multipoint contact structure is contacted with the inner wall of the pipeline at multiple points, and after the multipoint contact structure is contacted with the inner wall of the pipeline at multiple points, the measuring structure is driven to measure the inner diameter of the pipeline on one hand, and meanwhile, the outer wall measuring structure synchronously measures the outer diameter of the pipeline, so that the inner diameter, the outer diameter and the thickness of the irregular pipeline are measured. The device locking structure locks the driving structure, so that the measuring work stability of the multi-contact measuring pipeline inner and outer diameter device is ensured, and the accuracy of measuring the inner diameter, the outer diameter and the thickness of an irregular pipeline is ensured. The device for measuring the inner diameter and the outer diameter of the pipeline by multiple contacts is simple to operate, has strong applicability and is beneficial to field use and construction cost formulation.
The multi-contact pipe inner and outer diameter measuring device of the present invention will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a three-dimensional structure diagram of a multi-contact pipe inner and outer diameter measuring device according to the present invention.
Fig. 2 is a front view of the structure of the multi-contact measuring pipe inner and outer diameter device of the present invention.
Fig. 3 is a right side view of the structure of the multi-contact measuring pipe inner and outer diameter device of the present invention.
Fig. 4 is a top view three-dimensional structure diagram of the multi-contact pipe inner and outer diameter measuring device of the invention.
Fig. 5 is a bottom three-dimensional structure diagram of the multi-contact pipe inner and outer diameter measuring device of the invention.
Fig. 6 is a schematic view of the cross-section A-A in fig. 2.
Fig. 7 is a schematic view showing an application state of the multi-contact pipe inner and outer diameter measuring device according to the present invention.
Detailed Description
Reference numerals in the drawings represent respectively:
1 an inner diameter contact mechanism; 11 manual lever; 12 transverse plates; 13 a drive shaft; a 14 bearing; 15 limiting sliding grooves; 16, rotating the circular plate; 17 annular slide blocks; 18, fixing a circular plate; 19 pipe orifice contact blocks; 110 measuring a round bar; 111 limit sliding blocks; 112 arc-shaped limit grooves; 113 ring gear; 114 a drive gear; 115 straight rods; 116 an annular guide rail;
2 an inner diameter measuring structure; 21 straight blocks; 22 measuring plates; 23 first scale line;
3, an outer wall measuring structure; 31 a contact lever; 32 a first sliding sleeve; 33 a first L-shaped plate; 34 a second L-shaped plate; a second graduation mark 35; 36 a second sliding sleeve;
4, a device locking structure; 41 threaded rod; 42 locking plates; a 43 nut; 44 threaded sleeves.
As shown in fig. 1, the multi-contact measuring pipe inner and outer diameter device of the present invention comprises an inner diameter contact mechanism 1, an inner diameter measuring structure 2 and an outer wall measuring structure 3. Wherein the inner diameter contact mechanism 1 comprises a drive structure and a multipoint contact structure.
As shown in fig. 1 to 6, the driving structure is constituted by a manual lever 11, a traverse plate 12, a drive shaft 13, a bearing 14, a rotary disk 16, an annular slider 17, a fixed disk 18, a ring gear 113, a drive gear 114, and an annular guide rail 116. The bearing 14 is arranged in the mounting hole of the fixed circular plate 18, the driving shaft 13 is arranged in the inner ring of the bearing 14, the transverse plate 12 is fixed at the top of the driving shaft 13, and the rotating rod 11 is fixed at the outer end of the transverse plate 12. The drive shaft 13 is fixedly provided with a driving gear 114 below the fixed circular plate 18, the driving gear 114 is engaged with a connecting gear ring 113, and the gear ring 113 is fixed in the inner ring of the annular slide 17 in an interference fit manner. The outer wall of the annular slide block 17 is provided with an annular limiting block, and the inner wall of the annular guide rail 116 is provided with an annular limiting groove. The annular guide rail 116 is in sliding connection with a limiting block on the outer wall of the annular sliding block 17 through an annular limiting groove. An annular guide rail 116 is fixed below the circular plate 18, and an annular slider 17 is fixed above the rotating circular plate 16. The annular slider 17 and the rotary disk 16 have a planar synchronous rotation locus driven by the drive gear 114.
As shown in fig. 1-6, the multipoint contact structure is composed of a limiting chute 15, a rotating circular plate 16, a fixed circular plate 18, pipe orifice contact blocks 19, measuring round rods 110, straight rods 115 and arc limiting grooves 112, wherein the upper surface of the fixed circular plate 18 is provided with a plurality of limiting chutes 15 at equal angles by taking the circle center as a reference, each limiting chute 15 is internally adhered and connected with a sliding block 111, the bottom of each sliding block 111 is fixedly connected with a straight rod 115, the bottom of each straight rod 115 is fixedly provided with a pipe orifice contact plate 19, a measuring round rod 110 is fixed below each pipe orifice contact plate 19, a plurality of arc limiting grooves 112 with the same number are arranged on the rotating circular plate 16 at equal intervals corresponding to the number of the limiting chutes 15, and the straight rods 115 correspondingly penetrate through the arc limiting grooves 112 one by one and are adhered and connected with the inner walls of the arc limiting grooves 112 in a sliding manner.
As shown in fig. 1, 3 and 4, the inner diameter measuring structure 2 is composed of a sliding block 111, a straight block 21, a measuring plate 22 and a first scale line 23, wherein the first scale line 23 is positioned at the edge of a notch of any one of the limiting sliding grooves 15 at the top of the fixed circular plate 18 and is parallel to the limiting sliding grooves 15, the straight block 21 is fixed at the top of the sliding block 111 positioned in the limiting sliding groove 15, the measuring plate 22 is fixed on the straight block 21, and the part of the measuring plate 22 extending out in the direction far away from the notch is positioned above the first scale line 23 and has a linear moving track on the scale line 23. After the inner diameter measuring structure 2 is in multipoint contact with the inner wall of the pipeline, the diameter of the inner wall of the pipeline can be directly measured.
As shown in fig. 1, fig. 2, fig. 4, fig. 5, fig. 7, the outer wall measurement structure 3 comprises contact rod 31, first sliding sleeve 32, first L-shaped plate 33, second L-shaped plate 34, second scale mark 35 and second sliding sleeve 36, second L-shaped plate 34 is fixed with the horizontal right angle of arbitrary straight-bar 115 lower extreme, be equipped with second scale mark 35 on the second L-shaped plate 34 front side wall face, second L-shaped plate 34 outer wall and the laminating sliding connection of second sliding sleeve 36 inner wall, first L-shaped plate 33 is connected perpendicularly to second sliding sleeve 36 bottom, first L-shaped plate 33 outer wall and first sliding sleeve 32 inner wall laminating sliding connection, horizontal fixed contact rod 31 on the first sliding sleeve 32, the straight-bar 115 that is connected is directed to another end of contact rod 31, the end that the straight-bar 115 was directed to contact rod 31 is toper and laminating with the pipeline outer wall under the metering state.
After the multipoint contact structure is contacted with the outer wall of the pipeline, the contact rod 31 is contacted with the outer wall of the pipeline, and the outer wall metering assembly 3 meters the thickness of the pipeline, so that the inner diameter, the outer diameter and the thickness of the irregular pipeline are metered.
As shown in fig. 1,2, 3, 6 and 7, in the multi-contact measuring pipe inner and outer diameter device, the straight rod 115 is coaxial with the measuring round rod 110. The lower surfaces of the nozzle contact plates 19 on all the straight bars 115 are on the same plane.
As shown in fig. 1,4 and 5, in the multi-contact pipe inner and outer diameter measuring device of the present invention, four groups of arc-shaped limiting grooves 112 and measuring round bars 110 are provided. The four sets of sliders 111 are equally spaced from the center of the fixed circular plate 18 on the fixed circular plate 18. The measuring round bar 110 under the slider 111 is at the same straight line distance from the center of the fixed circular plate 18.
In the multi-contact pipe inner and outer diameter measuring device, the annular sliding block 17 driven by the shaking manual lever 11, the driving gear 114 and the gear ring 113 and the rotating circular plate 16 have rotating tracks in the positive and negative directions. The straight rod 115 has an expanding or contracting track which aims at the inner wall of the pipeline by taking the center of the pipeline as a reference through the driving of the arc-shaped limiting groove 112 of the rotary circular plate 16. The measuring round bar 110 connected with the straight bar 115 touches or breaks away with the inner wall of the pipeline at the same time.
As shown in fig. 1, a threaded sleeve 44 is fixed on the transverse plate 12, a threaded rod 41 is connected in the threaded sleeve 44 in a threaded manner, a nut 43 is arranged on the threaded rod 41, and a locking plate 42 is arranged below the threaded rod 41 to form the device locking structure 4. The threaded rod 41 has a straight up-and-down reciprocating path on the threaded sleeve 44. The threaded rod 41 moves downwards, and the locking plate 42 is tightly pressed and attached with the fixed circular plate 18 to be in a locking state of a driving structure; the threaded rod 41 moves up and the locking plate 42 is separated from the fixed circular plate 18 into an unlocked state of the drive structure. The device locking structure 4 is fixed to the driving structure, so that the inner diameter measuring structure 2 and the outer wall measuring structure 3 are ensured to be in stable contact with the pipeline, and the inner diameter, the outer diameter and the thickness of the irregular pipeline are ensured to be measured accurately.
As shown in fig. 1, the outer side wall of the measuring plate (22) is flush with the outer wall of the measuring round bar (110) below the measuring plate (22).
When the multi-contact device for measuring the inner diameter and the outer diameter of the pipeline is used, firstly, the manual rod 11 rotates according to the inner diameter of the pipeline to drive the driving shaft 13 to rotate, the driving shaft 13 drives the gear ring 113 to rotate through the driving gear 114, the gear ring 113 drives the annular sliding block 17 and the rotating circular plate 16 to rotate along the annular guide rail 116, and after the rotating circular plate 16 drives the pipe orifice contact block 19 to rotate to a preset position, the measuring circular rod 110 is placed in the pipeline and the pipe orifice contact block 19 is supported at the top of the pipeline orifice. The manual rod 11 is rotated again to enable the gear ring 113 to drive the annular sliding block 17 to rotate along the annular guide rail 116, the rotating circular plate 16 which is in linkage with the annular sliding block 17 pushes the straight rod 115 to move along the arc-shaped limiting groove 112 through the arc-shaped limiting groove 112, the straight rod 115 drives the limiting sliding block 111 to move along the limiting sliding groove 15 on one hand, and the measuring circular rod 110 is driven by the other hand to enable the measuring circular rod 110 to conduct circle center synchronous unfolding. In the process that the measuring round rod 110 is unfolded to coincide with the center of a pipe and is simultaneously contacted with the inner wall of the pipe at multiple points, the straight block 21 and the limit sliding block 111 follow, the straight block 21 drives the measuring plate 22 to move along the first scale line 23, and after the measuring round rod 110 is contacted with the inner wall of the pipe, the measuring plate 22 and the first scale line 23 cooperate to give measured data in the pipe, and the measured data are recorded and read according to the measured data; after the reading of the measured value of the inner diameter of the pipeline is completed, the second sliding sleeve 36 on the second L-shaped plate 34 is shifted, and the first sliding sleeve 32 on the first L-shaped plate 33 is shifted; the contact bar 31 is brought into contact with the outer wall of the pipe. The contact bar 31 and the inside diameter measuring structure 2 cooperate to make thickness and outside diameter measurements of the pipe and to give readings. The multi-contact device for measuring the inner diameter and the outer diameter of the pipeline realizes the measurement of the inner diameter, the outer diameter and the thickness of the irregular pipeline, has simple measurement operation and accurate measurement result, and is beneficial to the use of manufacturing engineering.
The above examples are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (6)
1. The utility model provides an external diameter device in multi-contact measurement pipeline, includes internal diameter contact mechanism (1), internal diameter measurement structure (2) and outer wall measurement structure (3), its characterized in that: the inner diameter contact mechanism (1) comprises a driving structure and a multi-point contact structure,
The driving structure is composed of a manual rod (11), a transverse plate (12), a driving shaft (13), a bearing (14), a rotating circular plate (16), an annular sliding block (17), a fixed circular plate (18), a gear ring (113), a driving gear (114) and an annular guide rail (116), wherein the bearing (14) is arranged in a mounting hole of the fixed circular plate (18), the driving shaft (13) is arranged in an inner ring of the bearing (14), the transverse plate (12) is fixed at the top of the driving shaft (13), the manual rod (11) is fixed at the outer end of the transverse plate (12), the driving gear (114) is fixedly arranged below the fixed circular plate (18) by the driving shaft (13), the gear ring (113) is meshed with the gear ring (113), the gear ring (113) is fixed in an inner ring of the annular sliding block (17) in an static fit mode, an annular limiting groove is arranged on the inner wall of the annular guide rail (116), the annular guide rail (116) is in sliding connection with a limiting block on the outer wall of the annular sliding block (17) through the annular limiting groove, the annular guide rail (116) is fixed below the fixed on the fixed circular sliding block (18) and fixed on the rotating circular plate (16), the annular slide block (17) and the rotary circular plate (16) are driven by the driving gear (114) to have a plane synchronous rotation track,
The multipoint contact structure consists of a limiting chute (15), a rotating circular plate (16), a fixed circular plate (18), a pipe orifice contact plate (19), a measuring circular rod (110), straight rods (115) and arc limiting grooves (112), wherein the upper surface of the fixed circular plate (18) is provided with a plurality of limiting chutes (15) at equal angles by taking the circle center as a reference, each limiting chute (15) is internally stuck with a sliding block (111), the bottom of each sliding block (111) is fixedly connected with a straight rod (115), the bottom of each straight rod (115) is fixedly connected with a pipe orifice contact plate (19), a measuring circular rod (110) is fixed below each pipe orifice contact plate (19), a plurality of arc limiting grooves (112) with the same number are arranged on the rotating circular plate (16) at equal intervals corresponding to the number of the limiting chutes (15), the straight rods (115) penetrate through the arc limiting grooves (112) in a one-to-one mode and are stuck with the inner walls of the arc limiting grooves (112) in a sliding connection,
The inner diameter measuring structure (2) consists of a sliding block (111), a straight block (21), a measuring plate (22) and a first scale line (23), wherein the first scale line (23) is positioned at the edge of a notch of any one limit chute (15) at the top of a fixed circular plate (18) and is parallel to the limit chute (15), the straight block (21) is fixed at the top of the sliding block (111) positioned in the limit chute (15), the measuring plate (22) is fixed on the straight block (21), the part of the measuring plate (22) which protrudes in the direction far away from the notch is positioned above the first scale line (23) and is provided with a linear moving track on the first scale line (23),
The outer wall measurement structure (3) comprises a contact rod (31), a first sliding sleeve (32), a first L-shaped plate (33), a second L-shaped plate (34), a second scale mark (35) and a second sliding sleeve (36), the second L-shaped plate (34) is fixedly connected with the lower end of any straight rod (115) at a right angle, a second scale mark (35) is arranged on the front side wall surface of the second L-shaped plate (34), the outer wall of the second L-shaped plate (34) is in fit sliding connection with the inner wall of the second sliding sleeve (36), the bottom of the second sliding sleeve (36) is vertically connected with the first L-shaped plate (33), the outer wall of the first L-shaped plate (33) is in fit sliding connection with the inner wall of the first sliding sleeve (32), the contact rod (31) is horizontally fixed on the first sliding sleeve (32), the other end of the contact rod (31) points to the connected straight rod (115), and the end of the straight rod (115) points to the straight rod (115) at a conical shape and is fit with the outer wall of a pipeline in a metering state.
2. The multi-contact measuring pipe inner and outer diameter device according to claim 1, wherein: the straight rods (115) are coaxial with the measuring round rod (110), and the lower surfaces of the pipe orifice contact plates (19) on all the straight rods (115) are on the same plane.
3. The multi-contact measuring pipe inner and outer diameter device according to claim 1 or 2, wherein: the arc limiting grooves (112) and the measuring round rods (110) are provided with a plurality of groups, the distance between the sliding blocks (111) and the center of the fixed circular plate (18) on the fixed circular plate (18) is equal, and the straight line distance between the measuring round rods (110) below the sliding blocks (111) and the center of the fixed circular plate (18) is equal.
4. A multi-contact measuring pipe inner and outer diameter device according to claim 3, wherein: the manual rod (11) is provided with a positive and negative two-direction rotating track through an annular sliding block (17) driven by a driving gear (114) and a gear ring (113) and a rotating circular plate (16), the straight rod (115) is provided with an expanding or contracting track which takes the center of a pipeline as a reference and takes the inner wall of the pipeline as a target through the driving of an arc-shaped limiting groove (112) of the rotating circular plate (16), and a measuring circular rod (110) connected with the straight rod (115) is simultaneously contacted with or separated from the inner wall of the pipeline.
5. The multi-contact measuring pipe inner and outer diameter device according to claim 1, wherein: a thread sleeve (44) is fixed on the transverse plate (12), a threaded rod (41) is connected in the thread sleeve (44) in a threaded manner, a nut (43) is arranged on the threaded rod (41), a locking plate (42) is arranged below the threaded rod (41) to form a device locking structure (4), the threaded rod (41) is provided with a straight up-and-down reciprocating track on the thread sleeve (44), the threaded rod (41) moves downwards, and the locking plate (42) and the fixed circular plate (18) are pressed and attached to form a locking state of a driving structure; the threaded rod (41) moves upwards, and the locking plate (42) is separated from the fixed circular plate (18) into an unlocking state of the driving structure.
6. The multi-contact measuring pipe inner and outer diameter device according to claim 1, wherein: the outer side wall of the measuring plate (22) is flush with the outer wall of the measuring round rod (110) below the measuring plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210533875.2A CN115031605B (en) | 2022-05-17 | 2022-05-17 | Multi-contact device for measuring inner and outer diameters of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210533875.2A CN115031605B (en) | 2022-05-17 | 2022-05-17 | Multi-contact device for measuring inner and outer diameters of pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115031605A CN115031605A (en) | 2022-09-09 |
| CN115031605B true CN115031605B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210533875.2A Active CN115031605B (en) | 2022-05-17 | 2022-05-17 | Multi-contact device for measuring inner and outer diameters of pipeline |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3026622A (en) * | 1960-03-28 | 1962-03-27 | Standard Gage Co Inc | Dial bord gages having an extended range |
| KR20160149771A (en) * | 2015-06-19 | 2016-12-28 | 주식회사 흥인이엔씨 | Apparatus for measuring position change of underground |
| CN208751444U (en) * | 2018-10-24 | 2019-04-16 | 山西北方机械制造有限责任公司 | A kind of internal-and external diameter integral type measuring device |
| CN210051272U (en) * | 2019-05-28 | 2020-02-11 | 常州市武进长江滚针轴承有限公司 | Detection tool for synchronizer inner ring production |
| CN214747674U (en) * | 2020-07-30 | 2021-11-16 | 内蒙古诚钢管道科技有限公司 | Pipeline internal and external diameter measuring device |
| KR20210143137A (en) * | 2021-09-13 | 2021-11-26 | 이상용 | Composition of marking off and measuring device using contact points and marking off and measurement method using the same |
-
2022
- 2022-05-17 CN CN202210533875.2A patent/CN115031605B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3026622A (en) * | 1960-03-28 | 1962-03-27 | Standard Gage Co Inc | Dial bord gages having an extended range |
| KR20160149771A (en) * | 2015-06-19 | 2016-12-28 | 주식회사 흥인이엔씨 | Apparatus for measuring position change of underground |
| CN208751444U (en) * | 2018-10-24 | 2019-04-16 | 山西北方机械制造有限责任公司 | A kind of internal-and external diameter integral type measuring device |
| CN210051272U (en) * | 2019-05-28 | 2020-02-11 | 常州市武进长江滚针轴承有限公司 | Detection tool for synchronizer inner ring production |
| CN214747674U (en) * | 2020-07-30 | 2021-11-16 | 内蒙古诚钢管道科技有限公司 | Pipeline internal and external diameter measuring device |
| KR20210143137A (en) * | 2021-09-13 | 2021-11-26 | 이상용 | Composition of marking off and measuring device using contact points and marking off and measurement method using the same |
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| CN115031605A (en) | 2022-09-09 |
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