CN213956203U - Pipe diameter and thickness measuring instrument - Google Patents
Pipe diameter and thickness measuring instrument Download PDFInfo
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- CN213956203U CN213956203U CN202120128065.XU CN202120128065U CN213956203U CN 213956203 U CN213956203 U CN 213956203U CN 202120128065 U CN202120128065 U CN 202120128065U CN 213956203 U CN213956203 U CN 213956203U
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Abstract
The utility model discloses a pipe diameter and thickness measuring instrument, which comprises a fixed platform, a diameter measuring device and a clamping and centering device for fixing pipes, wherein the diameter measuring device is provided with at least four first distance measuring sensors and four second distance measuring sensors, the four first distance measuring sensors are respectively positioned at the central position of the pipes, the measuring directions of the four first distance measuring sensors are respectively directed to four different positions of the inner wall of the pipes, the four second distance measuring sensors are positioned outside the pipes, and the measuring directions of the four second distance measuring sensors are respectively directed to four different positions of the outer wall of the pipes; the four positions pointed by the four first ranging sensors correspond to the four positions pointed by the four second ranging sensors respectively. The utility model discloses a pipe diameter measuring calibrator's detection efficiency is high, and detects the rate of accuracy height, the error that exists when avoiding the tubular product to detect.
Description
Technical Field
The utility model relates to a tubular product measuring equipment field, more specifically the pipeline calibrator that says so.
Background
At present, in the production process of pipes, the inner diameter, the outer diameter, the thickness, the eccentricity and the like of the pipes need to be detected after the pipes are extruded and cut, so that the produced pipes meet the requirements. But present generally detect tubular product through the manual work, artifical detection efficiency is lower, and artifical the measuring can have certain error to hardly guarantee the qualification rate of tubular product.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tubular product calliper calibrator, the utility model discloses a tubular product calliper calibrator's detection efficiency is high, and detects the rate of accuracy height, the error that exists when avoiding tubular product to detect.
The technical scheme is as follows:
the pipe diameter and thickness measuring instrument is characterized by comprising a fixed platform, a diameter measuring device and a clamping and centering device for fixing a pipe, wherein the diameter measuring device is provided with at least four first distance measuring sensors and four second distance measuring sensors, the four first distance measuring sensors are respectively positioned at the central position of the pipe, the measuring directions of the four first distance measuring sensors respectively point to four different positions of the inner wall of the pipe, the four second distance measuring sensors are positioned outside the pipe, and the measuring directions of the four second distance measuring sensors respectively point to four different positions of the outer wall of the pipe; the four positions pointed by the four first ranging sensors correspond to the four positions pointed by the four second ranging sensors respectively.
The four second ranging sensors are uniformly distributed on the same circumference respectively; the center of the tube corresponds to the center of the circumference.
The diameter measuring device comprises a first distance measuring fixing plate and a second distance measuring fixing plate, the first distance measuring fixing plate and the second distance measuring fixing plate are arranged oppositely, and the first distance measuring fixing plate is connected with the second distance measuring fixing plate.
The four first ranging sensors are fixed on the first ranging fixing plate, and the four second ranging sensors are fixed on the first ranging fixing plate and/or the second ranging fixing plate.
The first distance measurement fixing plate is of a circular structure, a distance measurement fixing seat is fixed at the center of the first distance measurement fixing plate, and the four first distance measurement sensors are fixed on the distance measurement fixing seat respectively.
The clamping and centering device comprises a clamping and fixing plate, a clamping and centering driving piece and a clamping and centering mechanism, the clamping and centering mechanism is movably connected with the clamping and fixing plate, the clamping and centering driving piece is connected with the clamping and centering mechanism, and the clamping and centering driving piece and the clamping and fixing plate are respectively connected with the diameter measuring device.
The clamping and centering mechanism comprises four clamping and centering components and four linkage rods, the clamping and centering driving piece is connected with one of the clamping and centering components, the four clamping and centering components are sequentially connected through the linkage rods, and the pipe is located between the four clamping and centering components.
The clamping and centering assembly comprises a clamping and centering claw and an anti-skidding clamping plate, the anti-skidding clamping plate is fixed on the clamping and centering claw, and the clamping and centering assembly is right to clamp and center the pipe.
The fixed platform is further provided with a moving device, the moving device comprises a moving driving piece, two moving guide rails and a moving bottom plate, the two moving guide rails are arranged oppositely, the moving driving piece is connected with the moving bottom plate, the lower surface of the moving bottom plate is respectively connected with the two moving guide rails through sliding blocks, and the diameter measuring device and the clamping and centering device are fixed on the moving bottom plate.
The fixed platform is also provided with a pipe supporting assembly, and the clamping and centering device is positioned between the pipe supporting assembly and the diameter measuring device; the pipe supporting component comprises a pipe supporting plate, and a supporting groove is formed in the pipe supporting plate.
The advantages or principles of the invention are explained below:
1. the utility model discloses a diameter measuring device includes four first range finding sensors and four second range finding sensors, the inner wall of the directional tubular product of direction of measurement of four first range finding sensors, the outer wall of the directional tubular product of direction of measurement of four second range finding sensors. When the pipe diameter and thickness measuring instrument is used for measuring a pipe, the pipe is firstly clamped and centered through the clamping and centering device, and then the pipe is measured through the four first distance measuring sensors and the four second distance measuring sensors respectively.
The distance between the first ranging sensor and the corresponding second ranging sensor is a, the distance a can be determined after the first ranging sensor and the second ranging sensor are installed, and the distance a is known data. The four second distance measuring sensors measure the distance between the second distance measuring sensors and the outer wall of the pipe, and the distance is b. The distances measured by the four first distance measuring sensors are the distances from the first distance measuring sensors to the inner wall of the pipe, and the distances are c.
Obtaining the thickness d of the pipe according to the measured data, wherein d = a-b-c; when the first distance measuring sensor is positioned at the central position of the pipe, the outer diameter e, e = (a-b) × 2 of the pipe; the internal diameter f, f = e-2 × d of the tube.
When the outer diameter, the inner diameter and the thickness of the pipe obtained according to the data measured by the four first distance measuring sensors and the four second distance measuring sensors are different, the ovality of the pipe can be calculated according to the calculated maximum outer diameter and the calculated minimum inner diameter, wherein the ovality = (maximum outer diameter-minimum inner diameter) × the nominal outer diameter × 100%; and according to the maximum thickness and the minimum thickness of the pipe obtained by the calculation, the eccentricity of the pipe can be obtained, and the eccentricity of the pipe is not less than (maximum thickness-minimum thickness)/100% of maximum thickness.
The utility model discloses a four first range finding sensors, four second range finding sensors measure tubular product respectively, can calculate data such as thickness, internal diameter, external diameter, ovality, the eccentricity of obtaining tubular product promptly through measured data. The utility model discloses need not have improved the detection efficiency of tubular product through manual measurement, compare in manual detection, this tubular product diameter measuring calibrator's detection rate of accuracy is higher, has the error when having avoided detecting. The utility model discloses a four first range finding sensors and four second range finding sensors measure the different positions of tubular product respectively, have improved the rate of accuracy of detected data.
2. In an embodiment, four second distance measuring sensors may be uniformly distributed on the same circumference, and in this embodiment, the distance between two second distance measuring sensors which are oppositely arranged is g, and the distances from the two second distance measuring sensors to the outer wall of the pipe are h and i respectively; the distances from the first distance measuring sensor to the inner wall of the pipe, which respectively correspond to the two second distance measuring sensors, are j and k respectively; the distance between the first ranging sensor and the corresponding second ranging sensor is a.
The outer diameter e of the pipe can also be obtained by the following formula: e = g-h-i;
the inner diameter f of the pipe can then also be obtained by the following formula: f = a-h-j or f = a-i-k.
Drawings
FIG. 1 is a schematic structural view of the pipe diameter and thickness measuring instrument of the present embodiment;
FIG. 2 is a second schematic structural view of the pipe diameter and thickness measuring instrument of the present embodiment;
FIG. 3 is a third schematic structural view of the pipe diameter and thickness measuring instrument of the present embodiment;
FIG. 4 is a schematic view of the combination of two clamping and centering jaws of the pipe caliper of the present embodiment;
FIG. 5 is a schematic illustration of pipe measurement in one embodiment;
FIG. 6 is a schematic illustration of pipe measurement in another embodiment;
description of reference numerals:
10. a fixed platform; 20. a diameter measuring device; 30. a clamping and centering device; 21. a first ranging sensor; 22. a second ranging sensor; 23. a first ranging fixing plate; 24. a second ranging fixing plate; 25. connecting a straight shaft; 26. a distance measuring fixed seat; 31. clamping the fixing plate; 32. clamping the centering drive; 33. clamping the centering assembly; 34. a linkage rod; 331. an anti-slip splint; 332. a first jaw; 333. a second jaw; 334. a connecting plate; 335. a connecting shaft; 336. rotating the connecting shaft; 40. a rotating shaft; 50. a mobile device; 51. moving the driving member; 52. a moving guide rail; 53. moving the base plate; 54. a proximity switch; 60. a tube support plate.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "center", "inner", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
As shown in fig. 1 to 4, the present embodiment discloses a pipe diameter and thickness measuring instrument, which includes a fixing platform 10, a diameter measuring device 20, and a clamping and centering device 30 for fixing a pipe. The diameter measuring device 20 is provided with at least four first distance measuring sensors 21 and four second distance measuring sensors 22, the four first distance measuring sensors 21 are respectively located at the center of the pipe, and the four second distance measuring sensors 22 are located outside the pipe. The measuring directions of the four first distance measuring sensors 21 point to four different positions of the inner wall of the pipe respectively, and the measuring directions of the four second distance measuring sensors 22 point to four different positions of the outer wall of the pipe respectively; and four positions at which the four first ranging sensors 21 are directed correspond to four positions at which the four second ranging sensors 22 are directed, respectively. Preferably, the first and second distance measuring sensors 21 and 22 are laser distance measuring sensors or infrared distance measuring sensors.
In one embodiment, four first distance measuring sensors 21 may be disposed at the center of the tube, and four second distance measuring sensors 22 are respectively and uniformly distributed on the same circumference; the center of the tube corresponds to the center of the circumference.
In order to fix the four first distance measuring sensors 21 and the four second distance measuring sensors 22, the diameter measuring device 20 of the present embodiment further includes a first distance measuring fixing plate 23 and a second distance measuring fixing plate 24. The first distance measuring fixing plate 23 and the second distance measuring fixing plate 24 are oppositely arranged, and the first distance measuring fixing plate 23 is connected with the second distance measuring fixing plate 24.
In order to realize the connection and fixation of the first ranging fixing plate 23 and the second ranging fixing plate 24, the diameter measuring device 20 further comprises a plurality of connecting straight shafts 25, one ends of the connecting straight shafts 25 are fixed on the first ranging fixing plate 23, the other ends of the connecting straight shafts 25 are fixed on the second ranging fixing plate 24, and the first ranging fixing plate 23 and the second ranging fixing plate 24 are connected and fixed through the connecting straight shafts 25. Preferably, the plurality of connecting straight shafts 25 are uniformly distributed on the outer edges of the first distance measuring fixing plate 23 and the second distance measuring fixing plate 24. Preferably, the middle portion of the second distance measuring fixing plate 24 is a circular hollow structure having a diameter larger than the outer diameter of the pipe, and the pipe can pass through the hollow structure.
In the present embodiment, the second distance measuring fixing plate 24 is located between the clamping and centering device 30 and the first distance measuring fixing plate 23. The four first ranging sensors 21 are fixed on the first ranging fixing plate 23, and the four second ranging sensors 22 can be all fixed on the first ranging fixing plate 23; the four second ranging sensors 22 can also be fixed on the second ranging fixing plate 24; and a part of the second distance measuring sensor 22 is fixed on the first distance measuring fixing plate 23, and a part of the second distance measuring sensor 22 is fixed on the second distance measuring fixing plate 24.
Preferably, in the present embodiment, two oppositely disposed second distance measuring sensors 22 are fixed on the first distance measuring fixing plate 23, and the other two oppositely disposed second distance measuring sensors 22 are fixed on the second distance measuring fixing plate 24.
The first distance measuring fixing plate 23 and the second distance measuring fixing plate 24 are both circular structures. In order to realize the fixed installation of the first ranging sensor 21, a ranging fixing base 26 is fixed at the center of the first ranging fixing plate 23, and the four first ranging sensors 21 are respectively fixed on the ranging fixing base 26. In order to realize the fixed installation of the second distance measuring sensor 22, two distance measuring fixing seats 26 which are oppositely arranged are installed on the first distance measuring fixing plate 23, and the two second distance measuring sensors 22 are respectively fixed on the two distance measuring fixing seats 26. Also install two relative range finding fixing bases 26 that set up on second range finding fixed plate 24, two second range finding sensors 22 are fixed in respectively on these two range finding fixing bases 26.
The first distance measuring sensor 21 and the second distance measuring sensor 22 need to clamp and center the pipe by the clamping and centering device 30 before the pipe is measured. The clamping and centering device 30 includes a clamping and fixing plate 31, a clamping and centering driving member 32, and a clamping and centering mechanism. The clamping and centering mechanism is movably connected with the clamping and centering fixing plate 31, the clamping and centering driving piece 32 is connected with the clamping and centering mechanism, and the clamping and centering driving piece 32 and the clamping and centering fixing plate 31 are respectively connected with the diameter measuring device 20. Preferably, the clamping and positioning driving member is a driving cylinder, and the clamping and positioning driving member is fixed on the second distance measuring fixing plate 24 through a cylinder bottom pillar. The middle part of the clamping fixing plate 31 is also a circular hollow structure, and the diameter of the circular hollow structure is larger than the inner diameter of the pipe.
Furthermore, the clamping and centering mechanism comprises four clamping and centering assemblies 33 and four linkage rods 34, the clamping and centering driving member 32 is connected with one clamping and centering assembly 33 adjacent to the clamping and centering driving member, the clamping and centering driving member 32 drives the clamping and centering assembly 33 connected with the clamping and centering driving member to rotate, and the four clamping and centering assemblies 33 are sequentially connected through the linkage rods 34. The pipe is located between the four clamping and centering assemblies 33, one clamping and centering assembly 33 is driven to rotate by the clamping and centering driving piece 32, and the other three clamping and centering assemblies 33 are driven to rotate by the clamping and centering assembly 33 through the linkage rod 34, so that the clamping and centering of the pipe are realized.
The clamping and centering assembly 33 comprises a clamping and centering claw and an anti-slip clamping plate 331, the anti-slip clamping plate 331 is fixed on the clamping and centering claw, and the clamping and centering assembly 33 clamps and centers the pipe through the anti-slip clamping plate 331. Further, the clamping and centering jaw comprises a first jaw 332 and a second jaw 333 which are oppositely arranged, and the first jaw 332 and the second jaw 333 are connected through a plurality of connecting plates 334. A clamping plate fixing plate is fixed at one end of the first clamping jaw 332 and the second clamping jaw 333, and the anti-skid clamping plate 331 is fixed on the clamping plate fixing plate.
The adjacent clamping and centering clamping jaws are connected through a linkage 34, and in order to realize the connection between the linkage 34 and the clamping and centering clamping jaws, two connecting shafts 335 are further fixed between the first clamping jaw 332 and the second clamping jaw 333. One end of each trace 34 is connected to one of the connecting shafts 335 of one of the clamping and centering jaws, and the other end of the trace 34 is connected to one of the connecting shafts 335 of its adjacent clamping and centering jaw.
The clamping and centering clamping jaw is rotatably connected with the clamping and fixing plate 31, and the clamping and centering clamping jaw can rotate relative to the clamping and fixing plate 31. In order to realize the rotary connection between the clamping and centering clamping jaw and the clamping and fixing plate 31, a rotary connecting shaft 336 is further fixed between the first clamping jaw 332 and the second clamping jaw 333, and a connecting through hole which penetrates the rotary connecting shaft 336 from left to right is formed in the middle of the rotary connecting shaft 336.
In this embodiment, four rotating shafts 40 are disposed on the second distance measuring fixing plate 24, first ends of the four rotating shafts 40 are respectively fixed on the second distance measuring fixing plate 24, and the other ends of the four rotating shafts 40 are respectively connected with the clamping fixing plate 31 after passing through the connecting through holes on the rotating connecting shafts 336 on the four clamping and centering jaws. After the clamping and centering jaw is connected with the clamping and fixing plate 31 through the rotating connecting shaft 336 and the rotating shaft 40, the clamping and centering jaw can rotate relative to the rotating shaft 40.
In this embodiment, a moving device 50 is further disposed on the fixed platform 10, the moving device 50 is connected to the clamping and centering device 30 and the diameter measuring device 20, and the moving device 50 can drive the clamping and centering device 30 and the diameter measuring device 20 to move.
Further, the moving device 50 includes a moving driving member 51, two moving guide rails 52 disposed opposite to each other, and a moving base plate 53. The movable driving part 51 is connected with a movable bottom plate 53, the lower surface of the movable bottom plate 53 is respectively connected with two movable guide rails 52 through a sliding block, and the diameter measuring device 20 and the clamping and centering device 30 are fixed on the movable bottom plate 53 through a fixed seat. Preferably, the movable driving member 51 is a driving cylinder, the driving cylinder drives the movable bottom plate 53 to move on the two movable rails 52, and the movable bottom plate 53 drives the diameter measuring device 20 and the clamping and centering device 30 to move.
The moving device 50 further includes two proximity switches 54, and the two proximity switches 54 are respectively disposed at opposite ends of the moving base plate 53.
In order to facilitate the support of the pipe during the measurement of the pipe, the fixing platform 10 is further provided with a pipe supporting assembly, and the clamping and centering device 30 is located between the pipe supporting assembly and the diameter measuring device 20; the tube supporting component comprises two tube supporting plates 60, and supporting grooves are formed in the tube supporting plates 60.
Before the pipe is measured, the end of the pipe to be measured is first placed in the supporting grooves of the two pipe supporting plates 60. Then, the moving device 50 drives the clamping and centering device 30 and the diameter measuring device 20 to move towards the direction close to the pipe, one end of the pipe is placed between the four clamping and centering jaws, the four first distance measuring sensors 21 are located inside the pipe, and the four second distance measuring sensors 22 are located outside the pipe. Then, the four clamping and centering clamping jaws are driven by the clamping and centering driving part 32 to clamp and center the pipe, so that the four first distance measuring sensors 21 are positioned at the center of the pipe. The pipe is then measured by four first distance measuring sensors 21 and four second distance measuring sensors 22. After the pipe is measured, the moving device 50 drives the clamping and centering device 30 and the diameter measuring device 20 to move in a direction away from the pipe.
As shown in fig. 5, in an embodiment, a distance between the first ranging sensor 21 and the corresponding second ranging sensor 22 is a, the distance a can be determined after the first ranging sensor 21 and the second ranging sensor 22 are installed, and the distance a is known data. The four second distance measuring sensors 22 measure the distance between the second distance measuring sensors 22 and the outer wall of the pipe, and the distance is b. The distance measured by the four first distance measuring sensors 21 is the distance from the first distance measuring sensors 21 to the inner wall of the pipe, and the distance is c.
Obtaining the thickness d of the pipe according to the measured data, wherein d = a-b-c; when the first distance measuring sensor 21 is located at the center of the pipe, the outer diameter e, e = (a-b) × 2; the internal diameter f, f = e-2 × d of the tube.
When the outer diameter, the inner diameter and the thickness of the pipe obtained according to the data measured by the four first distance measuring sensors 21 and the four second distance measuring sensors 22 are different, the ovality of the pipe can be calculated according to the calculated maximum outer diameter and the calculated minimum inner diameter, wherein the ovality = (maximum outer diameter-minimum inner diameter) × the nominal outer diameter × 100%; and according to the maximum thickness and the minimum thickness of the pipe obtained by the calculation, the eccentricity of the pipe can be obtained, and the eccentricity of the pipe is not less than (maximum thickness-minimum thickness)/100% of maximum thickness.
This embodiment is measured tubular product respectively through four first range sensor 21, four second range sensor 22, can calculate data such as thickness, internal diameter, external diameter, ovality, the eccentricity of obtaining tubular product promptly through measured data. This embodiment need not pass through manual measurement, has improved the detection efficiency of tubular product, compares in manual detection, and this tubular product caliper gauge's detection accuracy is higher, has had the error when having avoided detecting. In this embodiment, the four first distance measuring sensors 21 and the four second distance measuring sensors 22 are used to measure different positions of the pipe respectively, so as to improve the accuracy of the detection data.
As shown in fig. 6, in another embodiment, four second distance measuring sensors 22 may be uniformly distributed on the same circumference, in this embodiment, the distance between two oppositely disposed second distance measuring sensors 22 is g, and the distances from the two second distance measuring sensors 22 to the outer wall of the pipe are h and i, respectively; the distances from the first distance measuring sensor 21 to the inner wall of the pipe, which respectively correspond to the two second distance measuring sensors 22, are j and k respectively; the distance between the first ranging sensor 21 and its corresponding second ranging sensor 22 is a.
The outer diameter e of the pipe can also be obtained by the following formula: e = g-h-i;
the inner diameter f of the pipe can then also be obtained by the following formula: f = a-h-j or f = a-i-k.
This application is through setting up four first range finding sensors 21, four second range finding sensors 22, can calculate respectively and obtain data such as the internal diameter of four groups of tubular products, external diameter, and the accessible is taken the average value with four groups of tubular product internal diameter, external diameter data as the internal diameter, the external diameter of tubular product, still can screen before the calculation and fall the recalculation behind the abnormal data.
The embodiment of the present invention is not limited to this, according to the above-mentioned content of the present invention, the common technical knowledge and the conventional means in the field are utilized, without departing from the basic technical idea of the present invention, the present invention can also make other modifications, replacements or combinations in various forms, all falling within the protection scope of the present invention.
Claims (10)
1. The pipe diameter and thickness measuring instrument is characterized by comprising a fixed platform, a diameter measuring device and a clamping and centering device for fixing a pipe, wherein the diameter measuring device is provided with at least four first distance measuring sensors and four second distance measuring sensors, the four first distance measuring sensors are respectively positioned at the central position of the pipe, the measuring directions of the four first distance measuring sensors respectively point to four different positions of the inner wall of the pipe, the four second distance measuring sensors are positioned outside the pipe, and the measuring directions of the four second distance measuring sensors respectively point to four different positions of the outer wall of the pipe; the four positions pointed by the four first ranging sensors correspond to the four positions pointed by the four second ranging sensors respectively.
2. The pipe diameter and thickness measuring instrument of claim 1, wherein four of the second distance measuring sensors are uniformly distributed on the same circumference; the center of the tube corresponds to the center of the circumference.
3. The pipe diameter and thickness measuring instrument of claim 1, wherein the diameter measuring device comprises a first distance measuring fixing plate and a second distance measuring fixing plate, the first distance measuring fixing plate and the second distance measuring fixing plate are arranged oppositely, and the first distance measuring fixing plate is connected with the second distance measuring fixing plate.
4. The tube caliper according to claim 3, wherein four first distance measuring sensors are fixed on the first distance measuring fixing plate, and four second distance measuring sensors are fixed on the first distance measuring fixing plate and/or the second distance measuring fixing plate.
5. The pipe caliper and thickness gauge according to claim 3, wherein the first distance measuring fixing plate is a circular structure, a distance measuring fixing seat is fixed at the center of the first distance measuring fixing plate, and four first distance measuring sensors are respectively fixed on the distance measuring fixing seat.
6. The tube diameter and thickness measuring instrument according to any one of claims 1 to 5, wherein the clamping and centering device comprises a clamping and fixing plate, a clamping and centering driving member and a clamping and centering mechanism, the clamping and centering mechanism is movably connected with the clamping and fixing plate, the clamping and centering driving member is connected with the clamping and centering mechanism, and the clamping and centering driving member and the clamping and fixing plate are respectively connected with the diameter measuring device.
7. The tube caliper gauge according to claim 6, wherein the clamping and centering mechanism comprises four clamping and centering assemblies and four linkage rods, the clamping and centering driving member is connected with one of the clamping and centering assemblies, the four clamping and centering assemblies are sequentially connected through the linkage rods, and the tube is positioned between the four clamping and centering assemblies.
8. The pipe caliper according to claim 7, wherein the clamping and centering assembly comprises a clamping and centering jaw and an anti-slip clamping plate, the anti-slip clamping plate is fixed on the clamping and centering jaw, and the clamping and centering assembly clamps and centers the pipe through the anti-slip clamping plate.
9. The pipe diameter and thickness measuring instrument according to any one of claims 1 to 5, wherein a moving device is further disposed on the fixed platform, the moving device includes a moving driving member, two moving guide rails disposed opposite to each other, and a moving bottom plate, the moving driving member is connected to the moving bottom plate, the lower surface of the moving bottom plate is respectively connected to the two moving guide rails through sliders, and the diameter measuring device and the clamping and centering device are fixed to the moving bottom plate.
10. The pipe caliper gauge according to claim 1, wherein a pipe support assembly is further disposed on the fixed platform, and the clamping and centering device is located between the pipe support assembly and the caliper gauge; the pipe supporting component comprises a pipe supporting plate, and a supporting groove is formed in the pipe supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120128065.XU CN213956203U (en) | 2021-01-18 | 2021-01-18 | Pipe diameter and thickness measuring instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120128065.XU CN213956203U (en) | 2021-01-18 | 2021-01-18 | Pipe diameter and thickness measuring instrument |
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| CN213956203U true CN213956203U (en) | 2021-08-13 |
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| CN202120128065.XU Active CN213956203U (en) | 2021-01-18 | 2021-01-18 | Pipe diameter and thickness measuring instrument |
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| CN (1) | CN213956203U (en) |
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2021
- 2021-01-18 CN CN202120128065.XU patent/CN213956203U/en active Active
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Denomination of utility model: Pipe diameter and thickness gauge Effective date of registration: 20221102 Granted publication date: 20210813 Pledgee: Bank of China Limited Guangzhou Development Zone Branch Pledgor: GUANGZHOU SEALION SOFTWARE TECHNOLOGY CO.,LTD. Registration number: Y2022980020467 |
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Granted publication date: 20210813 Pledgee: Bank of China Limited Guangzhou Development Zone Branch Pledgor: GUANGZHOU SEALION SOFTWARE TECHNOLOGY CO.,LTD. Registration number: Y2022980020467 |
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