CN112268793A - Inner diameter deformation measurement process and device for pipe ring rigidity detection - Google Patents
Inner diameter deformation measurement process and device for pipe ring rigidity detection Download PDFInfo
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- 238000005259 measurement Methods 0.000 title claims description 38
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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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
- G01B5/30—Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
- G01M5/0058—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems of elongated objects, e.g. pipes, masts, towers or railways
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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Abstract
The invention discloses an inner diameter deformation measuring process and a device for detecting the ring stiffness of a pipe, which comprises a measuring base and support columns, wherein a measuring pressure plate is connected between the two support columns, one side of each support column is provided with a mounting plate, two ends of the mounting plate are connected with two sides of the support column, one side of the mounting plate is connected with a transverse measuring piece, the other side of the mounting plate is connected with a radial measuring piece, the measuring pressure plate is provided with a chute, one end of the radial measuring piece penetrates through the chute in a sliding manner, one side of the measuring pressure plate is connected with a pushing piece, the output end of the pushing piece is connected with one end of the radial measuring piece, the top of the transverse measuring piece is connected with a distance sensor, and the distance sensor is electrically connected with the pushing piece. Meanwhile, the operation of the radial measuring piece is controlled by a measuring signal of the distance sensor, so that the measuring result is more accurate.
Description
Technical Field
The invention relates to the technical field of pipe detection, in particular to an inner diameter deformation measurement process and device for pipe ring stiffness detection.
Background
The ring stiffness is widely used internationally to express the external pressure load resistance of the plastic pipe. In actual engineering use, once the ring stiffness index of the plastic pipe is unqualified, the engineering quality and the service life are directly influenced, the ring stiffness of the pipe in the ISO standard is called ring stiffness, the physical meaning of the ring stiffness is the stiffness of a pipe section, and the ring stiffness can also be calculated by the following formula, wherein S in the formula represents the ring stiffness, and D represents the average value of the inner diameter of a pipe ring, namely the average value of the inner diameter change.
When in test measurement, the upper and lower pressure plates of the ring stiffness measuring instrument are used for applying pressure to the pipe, the pressed inner diameter of the pipe is changed, the average value after a plurality of groups of data are recorded is calculated by measuring the inner diameter change value, when the inner diameter of the pipe is measured, the upper and lower measuring systems are connected, the upper measuring system is connected with the upper pressure plate, the lower measuring system is pressed on the inner wall of the pipe ring through self gravity, the upper and lower measuring systems are connected with a spring stay wire type displacement sensor, when in inner diameter deformation measurement, a person is required to insert the pressure rods used for upper and lower measurement into the pipe ring respectively, when the person inserts the upper and lower pressure rods, the person can not ensure that the upper and lower pressure rods are positioned at the central axis position of the pipe ring through visual observation after placing, because the contact surface of the pipe ring and the pressure plates is arc-shaped, when the pressure plates press the pipe, after the upper pressure rod and the lower pressure rod deviate from the central axis for a certain distance, a certain amount of deviation exists between the contact surface of the pressure rods and the pressure plate in the area outside the pipe ring, and the inner diameter measuring device cannot detect the change of the inner diameter of the pipe ring at the first time, so that the accumulative calculation of the average value of the change of the inner diameter is not facilitated.
Disclosure of Invention
The invention aims to provide an inner diameter deformation measurement process and device for pipe ring rigidity detection, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the inner diameter deformation measuring process and the device for detecting the ring stiffness of the pipe comprise a measuring base and supporting columns connected to two sides of the measuring base, wherein a measuring pressure plate is connected between the two supporting columns, a mounting plate is arranged on one side of one of the supporting columns, two ends of the mounting plate are connected with two sides of the supporting column, a transverse measuring piece is connected to one side of the mounting plate, a radial measuring piece is connected to the other side of the mounting plate, a sliding groove is formed in the measuring pressure plate, one end of the radial measuring piece penetrates through the sliding groove in a sliding mode, a pushing piece is connected to one side of the measuring pressure plate, the output end of the pushing piece is connected with one end of the radial measuring piece, a distance sensor is connected to the top of the transverse measuring piece and is electrically connected with the pushing piece, the distance sensor is used for detecting, the central shaft of the inner diameter of the pipe can be accurately measured, and the measurement accuracy is improved.
Preferably, the horizontal measuring part includes fixing base and sliding seat, mounting panel one side is equipped with first recess, the fixing base is connected in mounting panel one side, sliding seat bottom sliding connection is inside first recess, distance sensor connects respectively at fixing base and sliding seat top, is favorable to the sliding block to slide along the transverse section of tubular product.
Preferably, the fixing seat and the end, far away from the mounting panel, of the sliding seat are connected with a pipeline clamping jaw, so that the pipe can be clamped conveniently, and the pipe is prevented from shaking during measurement.
Preferably, radial measurement spare is including removing seat and connecting plate, one side that first recess was kept away from to the mounting panel is equipped with the second recess, it is inside the second recess to remove seat sliding connection, the one end that the second recess was kept away from to the removal seat is equipped with the groove of going through, the groove both sides wall that passes through is connected with the threaded rod, the connecting plate slides and runs through the groove of going through, and two threaded rods and connecting plate both sides contact, be connected with intraductal measurement spare threaded rod on the connecting plate and be favorable to stablizing the connecting plate at the inslot portion of going through, avoid dropping out at the operation in-process connecting plate and.
Preferably, intraductal measuring part includes measuring stick and lower measuring stick, it connects on the connecting plate to go up the measuring stick, and goes up the measuring stick and be located the mounting panel bottom, be equipped with the kidney slot on the connecting plate, and the kidney slot is located the measuring stick bottom, the kidney slot is passed to measuring stick one end down, fastening nut has been cup jointed in the measuring stick outside down, and the laminating of fastening nut and the kidney slot outside, go up the measuring stick and be connected with the internal diameter measurement appearance down between the measuring stick, be favorable to measuring the tubular product internal diameter.
Preferably, the top of the connecting plate is connected with an I-shaped block, the bottom of the I-shaped block is connected inside the sliding groove in a sliding mode, one side of the I-shaped block is connected with the pushing piece, and the bottom of the I-shaped block is clamped inside the sliding groove, so that the stability of the whole sliding of the connecting plate is improved.
Preferably, the pushing part comprises an electric push rod, one side of the measuring pressure plate is connected with a support plate, the electric push rod is connected to the top of the support plate, the output end of the electric push rod is connected with one side of the I-shaped block, the electric push rod is electrically connected with the distance sensor, the electric push rod runs under the control of a running signal measured by the distance sensor, and the electric push rod pushes the connecting plate to run, so that the connecting plate slides more accurately, and the naked eye observation is avoided.
Preferably, the mounting panel both sides are connected with the regulating plate, the support column both sides are equipped with the adjustment tank, adjustment tank internal connection has the regulation post, the regulation post slides in proper order and runs through adjustment tank and regulating plate, the one end that the regulation post passed the regulating plate is connected with adjusting nut, through the regulation of regulating plate and regulation pole, is convenient for adjust the position of installation, avoids the mounting panel to play the hindrance effect to the operation of measuring the clamp plate.
Preferably, the inner diameter deformation measuring process for detecting the rigidity of the pipe ring,
a: and cutting a pipe sample, and placing the pipe between the measuring pressing plate and the measuring base.
b: and pushing the transverse measuring piece, and controlling the radial measuring piece to operate so as to obtain a measuring middle axial surface.
c: and starting the in-pipe measuring piece connected with the radial measuring piece, measuring the inner diameter deformation value of the pipe on the axial surface through the in-pipe measuring piece, obtaining an average value through multiple groups of measurements, and calculating to obtain the annular rigidity value of the pipe.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, when the ring stiffness of the pipe is measured, the measured sample piece is placed at the bottom of the measuring pressure plate, and the central axis of the pipe can be accurately found through the common fixed point action of the transverse measuring piece and the radial measuring piece, so that the trouble that the pipe is traditionally penetrated through by naked eyes of a person is avoided, meanwhile, the operation of the radial measuring piece is controlled through a measuring signal of a distance sensor at the top of the transverse measuring piece, so that the measuring result is more accurate, the pipe inner wall can be conveniently measured by the pipe inner measuring piece at the first time through the central axis which is jointly positioned by the transverse measuring piece and the radial measuring piece, and the problem that the measured data of the pipe inner measuring piece is reduced when the pipe inner measuring piece deviates from the central axis.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the top plate removed from FIG. 1;
FIG. 3 is a schematic view of a partial cut-away structure of the device after a pipe is placed;
FIG. 4 is a schematic view of a partially sectioned front view structure of the device after the tube is taken away;
FIG. 5 is a schematic view of a partially sectioned side view of the device after the tube is taken away;
FIG. 6 is a view of a radial measurement member;
FIG. 7 is a schematic view of the structure of the measuring member inside the pipe;
FIG. 8 is an enlarged view of the structure at A in FIG. 3;
fig. 9 is an enlarged schematic view of B in fig. 6.
In the figure: 1-a measuring base; 2-a support column; 3-measuring the pressure plate; 4-mounting a plate; 5-a lateral measuring member; 6-a radial measuring member; 7-a chute; 8-a pusher; 9-a distance sensor; 10-a fixed seat; 11-a sliding seat; 12-a first groove; 13-a pipe gripper; 14-a movable seat; 15-a connecting plate; 16-a second groove; 17-a traffic slot; 18-a threaded rod; 19-a measuring piece inside the pipe; 20-upper measuring rod; 21-lower measuring rod; 22-kidney slot; 23-a fastening nut; 24-inner diameter gauge; 25-an i-shaped block; 26-a support plate; 27-an electric push rod; 28-adjusting plate; 29-an adjustment tank; 30-adjusting the nut; 31-adjusting column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: an inner diameter deformation measurement process and a device for pipe ring rigidity detection comprise a measurement base 1 and support columns 2 connected to two sides of the measurement base 1, wherein a measurement pressure plate 3 is connected between the two support columns 2, a pipe to be measured is placed between the measurement pressure plate 3 and the measurement base 1, one side of one support column 2 is provided with a mounting plate 4, two ends of the mounting plate 4 are connected with two sides of the support column 2, one side of the mounting plate 4 is connected with a transverse measurement piece 5, the other side of the mounting plate 4 is connected with a radial measurement piece 6, the measurement pressure plate 3 is provided with a chute 7, one end of the radial measurement piece 6 slidably penetrates through the chute 7, one side of the measurement pressure plate 3 is connected with a pushing piece 8, the output end of the pushing piece 8 is connected with one end of the radial measurement piece 6, the top of the transverse measurement piece 5, the distance sensor 9 is used to detect the running signal of the transverse measuring member 5 and this running signal controls the running path of the pushing member 8. In the scheme, the distance sensor 9 is preferably of an ADK-LS-1500-R model, when the pipe is measured, the pipe is firstly placed between the measuring pressure plate 3 and the measuring base 1, when the pipe is placed, the radial measuring part 6 can be adjusted to a proper position to be close to the outer side of the pipe according to the diameter of the pipe to be measured, the transverse measuring part 5 is simultaneously pushed, the distance sensor 9 generates a running signal by measuring the running path of the transverse measuring part 5, meanwhile, the distance sensor 9 transmits the signal to the pushing part 8, the radial measuring part 6 pushes half of the transverse measuring part 5 to run under the control of the pushing part 8 to obtain the centerline axis surface of the pipe by controlling the pushing part 8 to run the corresponding path, the device does not need to intentionally observe the inner diameter position of the pipe, only needs to push the transverse measuring part 5 after the pipe is placed stably, the centerline axis surface of the pipe is necessarily the half of the running path of the transverse measuring part, the running path of the transverse measuring part 5 does not need to be the transverse diameter direction of the pipe, so that the central axial plane of the pipe is more convenient and fast to find
In the scheme, the transverse measuring part 5 comprises a fixed seat 10 and a sliding seat 11, a first groove 12 is arranged on one side of the mounting plate 4, the fixed seat 10 is connected to one side of the mounting plate 4, the bottom of the sliding seat 11 is connected inside the first groove 12 in a sliding manner, the distance sensors 9 are respectively connected to the tops of the fixed seat 10 and the sliding seat 11, meanwhile, in order to keep the stability of the pipe in the measuring process, a pipeline clamping jaw 13 is connected to one ends, away from the mounting plate 4, of the fixed seat 10 and the sliding seat 11, when the pipe is placed stably during measurement, the pipeline clamping jaw 13 on the outer side of the fixed seat 10 is tightly clamped with the wall of the pipe, the sliding seat 11 is pushed at the same time, the bottom of the sliding seat 11 is connected with the first groove 12, under the external thrust, the sliding seat 11 runs along the first groove 12 until the pipeline clamping jaw 13 on, the distance sensor 9 arranged on the tops of the fixed seat 10 and the sliding seat 11 measures the running distance of the sliding seat 11 at the position, transmits the running signal to the pushing part 8 and controls the pushing part 8 to run.
In the scheme, the radial measuring piece 6 comprises a moving seat 14 and a connecting plate 15, a second groove 16 is arranged on one side, away from a first groove 12, of the mounting plate 4, the moving seat 14 is connected inside the second groove 16 in a sliding manner, a through groove 17 is arranged at one end, away from the second groove 16, of the moving seat 14, threaded rods 18 are connected to two side walls of the through groove 17, the connecting plate 15 penetrates through the through groove 17 in a sliding manner, the two threaded rods 18 are in contact with two sides of the connecting plate 15, in order to ensure the stability of the connecting plate 15 when being pushed by the measuring pressure plate 3, a workpiece block 25 is arranged at the top of the connecting plate 15, the bottom of the workpiece block 25 is connected inside the sliding groove 7 in a sliding manner, one side of the workpiece block 25 is connected with the pushing piece 8, an in-pipe measuring piece 19 is connected to the connecting plate 15, the measuring, stop measuring the operation of clamp plate 3, at measuring clamp plate 3 operation in-process, because connecting plate 15 top is inside spout 7 through I-shaped block 25 card, connecting plate 15 is by push motion, and connecting plate 15 both sides slide along passing through groove 17, measures clamp plate 3 after the operation stop, will pass through threaded rod 18 fastening of passing through groove 17 both sides wall for threaded rod 18 and the contact of connecting plate 15 both sides wall are stabilized inside passing through groove 17, keep the stability of follow-up motion.
In the scheme, the in-pipe measuring part 19 comprises an upper measuring rod 20 and a lower measuring rod 21, the upper measuring rod 20 is connected to a connecting plate 15, the upper measuring rod 20 is positioned at the bottom of a mounting plate 4, a kidney-shaped groove 22 is formed in the connecting plate 15, the kidney-shaped groove 22 is positioned at the bottom of the upper measuring rod 20, one end of the lower measuring rod 21 penetrates through the kidney-shaped groove 22, a fastening nut 23 is sleeved on the outer side of the lower measuring rod 21, the fastening nut 23 is attached to the outer side of the kidney-shaped groove 22, an inner diameter measuring instrument 24 is connected between the upper measuring rod 20 and the lower measuring rod 21, the inner diameter measuring instrument 24 is an inner diameter measuring instrument 24 used for measuring ring stiffness and is a spring type measuring instrument, the inner diameter measuring instrument 24 is a spring and a contact probe at the upper measuring rod 20 to ensure the measurement shrinkage, the contact probe and a shrinkage line are at the, after the inner wall of the pipe deforms, a deformation value detected by the inner diameter measuring instrument 24 is obtained, and the value is recorded.
The pushing part 8 in the scheme comprises an electric push rod 27, the electric push rod 27 in the scheme has the preferred model of GRA-L25, one side of the measuring pressure plate 3 is connected with a support plate 26, the electric push rod 27 is connected with the top of the support plate 26, the output end of the electric push rod 27 is connected with one side of the I-shaped block 25, the electric push rod 27 is electrically connected with a distance sensor 9, after a pipeline clamping jaw 13 on the outer side of a sliding seat 11 is clamped with the wall of a pipe, the distance sensor 9 connected with the top of the sliding seat 11 and the top of a fixed seat 10 detects the moving path of the sliding seat 11, the distance sensor 9 transmits the changed path to the electric push rod 27, the electric push rod 27 runs half of the moving path of the sliding seat 11 under the signal control, at the moment, the electric push rod 27 pushes a connecting plate 15 to run to a perpendicular line connecting the fixed, the last measuring stick 20 of connection on connecting plate 15 and lower measuring stick 21 just are located the central axis of tubular product this moment, and personnel pass through the trouble of visual observation when having avoided traditional internal diameter measurement, also detect the central axis face of tubular product the very first time through internal diameter measuring apparatu 24 simultaneously, have improved the accuracy when internal diameter measurement.
In the scheme, in order to realize better operation of the mounting plate 4 and simultaneously avoid the interference of the mounting plate 4 on the operation of the measuring pressure plate 3 in the mounting process, the two sides of the mounting plate 4 are connected with the adjusting plates 28, the adjusting plates 28 are mainly used for supporting and fixing the mounting plate 4, one end of a direction block of the adjusting plates 28 is connected with the side wall of the mounting plate 4, one end of a circular plate block of the adjusting plates 28 is used for adjustment, the two sides of the support column 2 are provided with the adjusting grooves 29, the adjusting grooves 29 are waist-shaped and are convenient for subsequent adjustment, the adjusting grooves 29 are internally connected with the adjusting columns 31, one end of each adjusting column 31 in each adjusting groove 29 is in a circular truncated cone shape and plays a limiting role on the adjusting columns 31, the other ends of the adjusting columns 31 penetrate through the adjusting grooves 29 to be connected with the circular plates of the adjusting plates 28, when the position of the mounting plate 4 is adjusted, the adjusting nut 30 is loosened to push the mounting plate 4, the mounting plate 4 drives the adjusting plate 28 and the adjusting column 31 connected with the mounting plate to slide along the adjusting groove 29, and after the position of the mounting plate 4 is determined, the adjusting nut 30 and the adjusting column 31 are fastened to prevent the mounting plate 4 from shaking.
The inner diameter deformation measurement process for detecting the pipe ring stiffness comprises the following steps:
a: and cutting a pipe sample, and placing the pipe between the measuring pressing plate 3 and the measuring base 1.
b: and pushing the transverse measuring piece 5 and controlling the radial measuring piece 6 to operate so as to obtain a measuring middle axial surface.
c: and starting the in-pipe measuring piece 19 connected with the radial measuring piece 6, measuring the inner diameter deformation value of the pipe on the axial surface through the in-pipe measuring piece 19, obtaining an average value through multiple groups of measurements, and calculating to obtain the annular rigidity value of the pipe.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Tubular product ring rigidity detects uses internal diameter deformation measuring device, including measuring base (1) and connecting support column (2) in measuring base (1) both sides, two be connected with between support column (2) and measure clamp plate (3), its characterized in that: one side of one of the supporting columns (2) is provided with a mounting plate (4), two ends of the mounting plate (4) are connected with two sides of the supporting column (2), one side of the mounting plate (4) is connected with a transverse measuring piece (5), the other side of the mounting plate (4) is connected with a radial measuring piece (6), a sliding groove (7) is arranged on the measuring pressure plate (3), one end of the radial measuring piece (6) penetrates through the sliding chute (7) in a sliding way, one side of the measuring pressure plate (3) is connected with a pushing piece (8), the output end of the pushing piece (8) is connected with one end of the radial measuring piece (6), the top of the transverse measuring piece (5) is connected with a distance sensor (9), and the distance sensor (9) is electrically connected with the pushing piece (8), the distance sensor (9) is used for detecting a running signal of the transverse measuring piece (5), and the running signal controls a running path of the pushing piece (8).
2. The inner diameter deformation measuring device for detecting the rigidity of the pipe ring according to claim 1, characterized in that: horizontal measuring part (5) include fixing base (10) and sliding seat (11), mounting panel (4) one side is equipped with first recess (12), fixing base (10) are connected in mounting panel (4) one side, sliding seat (11) bottom sliding connection is inside first recess (12), distance sensor (9) are connected respectively at fixing base (10) and sliding seat (11) top.
3. The inner diameter deformation measuring device for detecting the rigidity of the pipe ring according to claim 2, characterized in that: and one ends of the fixed seat (10) and the sliding seat (11) far away from the mounting plate (4) are connected with a pipeline clamping jaw (13).
4. The inner diameter deformation measuring device for detecting the rigidity of the pipe ring according to claim 2, characterized in that: radial measurement spare (6) are including removing seat (14) and connecting plate (15), one side that first recess (12) was kept away from in mounting panel (4) is equipped with second recess (16), it is inside second recess (16) to remove seat (14) sliding connection, the one end that second recess (16) were kept away from in removal seat (14) is equipped with through groove (17), through groove (17) both sides wall is connected with threaded rod (18), connecting plate (15) slide and pass through groove (17), and two threaded rod (18) and connecting plate (15) both sides contact, be connected with intraductal measurement spare (19) on connecting plate (15).
5. The inner diameter deformation measuring device for detecting the rigidity of the pipe ring according to claim 4, wherein: intraductal measuring part (19) include measuring stick (20) and lower measuring stick (21), go up measuring stick (20) and connect on connecting plate (15), and go up measuring stick (20) and be located mounting panel (4) bottom, be equipped with kidney slot (22) on connecting plate (15), and kidney slot (22) are located measuring stick (20) bottom, kidney slot (22) are passed to measuring stick (21) one end down, fastening nut (23) have been cup jointed in measuring stick (21) outside down, and fastening nut (23) and laminating in kidney slot (22) outside, go up measuring stick (20) and be connected with internal diameter measurement appearance (24) down between measuring stick (21).
6. The inner diameter deformation measuring device for detecting the rigidity of the pipe ring according to claim 4, wherein: the top of the connecting plate (15) is connected with an I-shaped block (25), the bottom of the I-shaped block (25) is connected inside the sliding groove (7) in a sliding mode, and one side of the I-shaped block (25) is connected with the pushing piece (8).
7. The inner diameter deformation measuring device for detecting the rigidity of the pipe ring according to claim 6, wherein: the push piece (8) comprises an electric push rod (27), one side of the measuring pressure plate (3) is connected with a support plate (26), the electric push rod (27) is connected to the top of the support plate (26), the output end of the electric push rod (27) is connected with one side of the I-shaped block (25), the electric push rod (27) is electrically connected with the distance sensor (9), and the electric push rod (27) runs under the control of a running signal measured by the distance sensor (9).
8. The inner diameter deformation measuring device for detecting the rigidity of the pipe ring according to claim 1, characterized in that: mounting panel (4) both sides are connected with regulating plate (28), support column (2) both sides are equipped with adjustment tank (29), adjustment tank (29) internal connection has regulation post (31), regulation post (31) slide in proper order and run through adjustment tank (29) and regulating plate (28), the one end that the regulation post passed regulating plate (28) is connected with adjusting nut (30).
9. The inner diameter deformation measurement process for pipe ring stiffness detection according to claim 1:
a: cutting a pipe sample, and placing the pipe between the measuring pressing plate (3) and the measuring base (1);
b: pushing the transverse measuring piece (5) and controlling the radial measuring piece (6) to operate so as to obtain a measuring middle axial surface;
c: and starting the in-pipe measuring piece (19) connected with the radial measuring piece (6), measuring the pipe inner diameter deformation value on the middle axial surface through the in-pipe measuring piece (19), obtaining an average value through multiple groups of measurements, and calculating to obtain the pipe ring rigidity value.
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| CN2019220449539 | 2019-11-25 | ||
| CN201922044953 | 2019-11-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354416A (en) * | 2022-01-17 | 2022-04-15 | 广东石油化工学院 | Petrochemical machinery pipeline strength detection device |
| CN117405060A (en) * | 2023-12-14 | 2024-01-16 | 东北石油大学 | Inner diameter measuring device for machining and detection method thereof |
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|---|---|---|---|---|
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| CN215217550U (en) * | 2021-06-02 | 2021-12-17 | 江苏瑞洁塑料管材管件有限公司 | Length measuring tool for detecting rigidity of pipe ring |
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| CN114354416A (en) * | 2022-01-17 | 2022-04-15 | 广东石油化工学院 | Petrochemical machinery pipeline strength detection device |
| CN114354416B (en) * | 2022-01-17 | 2023-09-29 | 广东石油化工学院 | Petrochemical machinery pipeline intensity detection device |
| CN117405060A (en) * | 2023-12-14 | 2024-01-16 | 东北石油大学 | Inner diameter measuring device for machining and detection method thereof |
| CN117405060B (en) * | 2023-12-14 | 2024-02-06 | 东北石油大学 | Inner diameter measuring device for machining and detection method thereof |
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