CN113607543A - Tensile clamp for tubular sample and using method thereof - Google Patents
Tensile clamp for tubular sample and using method thereof Download PDFInfo
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- CN113607543A CN113607543A CN202111119383.0A CN202111119383A CN113607543A CN 113607543 A CN113607543 A CN 113607543A CN 202111119383 A CN202111119383 A CN 202111119383A CN 113607543 A CN113607543 A CN 113607543A
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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
- G01N3/02—Details
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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
- G01N3/02—Details
- G01N3/04—Chucks
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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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Abstract
The invention discloses a tensile fixture for a tubular sample and a using method thereof. This tensile anchor clamps for tubular sample and application method thereof is because fixed core bar and tubular work piece internal surface laminating area are great, so tubular work piece centre gripping is comparatively compacter, the region that the tubular product fracture was destroyed is less, spacing aligning block for adsorbing fixed core bar adsorbs the round end at the chuck dead lever, play the flexible effect of self-aligning when the clamping, tubular work piece can utilize to rotate special chuck and adjust the absorptive intensity of fixed core bar at the in-process of centre gripping, very big improvement the tensile rate of accomplishing of thin tubular product, the lower problem of the rate of accomplishing of thin tubular product centre gripping is solved.
Description
Technical Field
The invention relates to the technical field of tubular sample stretching clamps, in particular to a tubular sample stretching clamp and a using method thereof.
Background
At present, when the pipe is subjected to a tensile test,when the outer diameter of the pipe is larger than 4mm, the bar material wedge block is used as a clamp and the inner part of the clamp is shared
The mandrel, adopt the centre gripping of four sides to play the fixed action at tubular product both ends, to the tubular product of wall thickness and tough, the condition of fracture at the exposed core rarely appears, and to thinner tubular product (the external diameter is less than 4mm), the four sides centre gripping of wedge produces the limitation on the use of the external diameter size of rod, unable centre gripping, can only carry out two sides centre gripping fixedly with panel wedge, clamping area is too little like this, for the antiskid drops, too big power has great destruction to thin tubular product exposed core again, the fracture position of tubular product often appears in the exposed core during messenger's test and makes tensile test end with the failure, so in order to guarantee to test the completion rate of the thin tubular product of different materials, we need to develop a tensile anchor clamps and the application method that are used for tubular sample that can improve the tensile completion rate of tubular product and solve above problem that exists.
Disclosure of Invention
The invention aims to provide a tensile clamp for a tubular sample and a using method thereof, which aim to solve the problem that the finishing rate of clamping and stretching thin pipes is low in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a tensile anchor clamps and application method for tubular sample, includes PMKD, the spacing fixed block of both sides fixedly connected with on PMKD top, fixedly connected with spacing guide rail between the spacing fixed block, spacing guide rail's outside is provided with two sets of adjusting slide, adjusting slide's top fixedly connected with chuck fixed block, the inside of chuck fixed block is provided with special chuck, special chuck is provided with two sets ofly, be provided with tubular workpiece between the special chuck, one side of special chuck is provided with the collet chuck main part, the outside of collet chuck main part is provided with the collet chuck fixed cover.
Preferably, the collet chuck fixing sleeve is arranged outside the special collet chuck, a collet chuck fixing rod is arranged on one side of the collet chuck fixing sleeve, a connecting sleeve is fixedly connected between the collet chuck fixing sleeve and the collet chuck fixing rod, and two sets of mounting grooves are formed in the top end and the bottom end of the collet chuck fixing sleeve.
Preferably, the inside of the collet chuck main body is provided with a mounting hole, and a fixed core rod is arranged inside the mounting hole.
Preferably, the special chuck is internally provided with a limiting and aligning block, and the limiting and aligning block is embedded at one side of the chuck fixing rod.
Preferably, the inside of the collet chuck fixing sleeve is provided with an internal thread, the outside of the connecting sleeve is provided with an external thread, and the collet chuck fixing sleeve is in threaded connection with the outside of the connecting sleeve.
Preferably, the tubular workpiece is sleeved outside the fixed core rod, and the inner surface of the tubular workpiece is attached to the outside of the fixed core rod in a large area.
Preferably, the size of the inside of the adjusting slide block is smaller than the size of the outside of the limiting guide rail, and the adjusting slide block is embedded outside the limiting guide rail and is in sliding connection.
Preferably, one side of the fixed core bar penetrates through one side of the special chuck and extends to the outside of the special chuck, and the other side of the fixed core bar is embedded in the limiting and adjusting block.
Preferably, the two groups of limiting fixed blocks are arranged, the width of the limiting fixed blocks is the same, and the limiting fixed blocks are symmetrically distributed around the vertical center line of the fixed bottom plate.
Preferably, the adjusting slide block is prepared from a graphite copper block, and has a self-lubricating effect to enhance the sliding effect.
Compared with the prior art, the invention has the beneficial effects that: the tensile fixture for the tubular sample and the use method thereof not only realize improvement of the completion rate of the tensile, realize improvement of the stability of the tensile, but also realize convenience in disassembly and assembly;
(1) the fixed core bar and the spring chuck main body are selected according to the inner and outer diameter sizes of the tubular workpiece through the chuck fixed rod, the fixed core bar, the spring chuck main body, the limiting and aligning block and the mounting hole, the fixed core bar is suitable for being just easily placed into the tubular workpiece, the outer diameter of the tubular workpiece is suitable for the spring chuck main body to be in the telescopic range, then the spring chuck main body is connected with the chuck fixed rod through a universal stretcher, the middle part of the tubular workpiece is stretched in a proper length, in the stretching process, the fixed core bar is in large fit with the inner surface of the tubular workpiece, the tubular workpiece is clamped tightly, the area of the tubular workpiece broken is small, the limiting and aligning block for adsorbing the fixed core bar is adsorbed at the round end of the chuck fixed rod and used for adsorbing the fixed core bar and plays a role in self-aligning flexibly during clamping, and the tubular workpiece can utilize the special chuck for rotating to adjust the adsorption strength of the fixed core bar during clamping, the finishing rate of the thin pipe stretching is greatly improved, and the accuracy and the integrity of the detection data are improved;
(2) through the adjusting slide block, the limiting guide rail, the limiting fixed blocks and the fixed bottom plate, when the stretching clamp stretches the tubular workpiece, the tubular workpiece moves outside the limiting guide rail by using the adjusting slide block, the limiting guide rail is fixed between the limiting fixed blocks, the fixed bottom plate at the bottom of the limiting guide rail is connected with the limiting fixed blocks, the levelness of the two groups of limiting fixed blocks is ensured, and thus the parallelism requirement of the installation position of the limiting guide rail is ensured, so that the stretching stability of the tubular workpiece can be ensured in the stretching process, the slipping phenomenon in the stretching process is avoided, meanwhile, the left special chuck is used for stably supporting when clamping the workpiece, the adjusting slide block is moved to the position with the limiting fixed blocks by holding the left special chuck with hands, a pair of clamped special clamps with the tubular workpiece is transversely taken out and clamped on a wedge-shaped plate clamping tool on a stretching machine, and the test stretching is carried out according to the normal operation flow, the detection accuracy is improved;
(3) through the chuck fixed block, the external screw thread, the internal thread, the mounting groove, the fixed cover of collet chuck and adapter sleeve, the chuck fixed block is used for fixing special chuck, guarantee that the work piece is straight when the clamping work piece, do not produce to twist reverse and lean on shape clearance fit with special chuck, it is convenient to load and unload special chuck, the fixed cover of collet chuck outside special chuck and adapter sleeve are screwed through internal thread and external screw thread and are connected, so can realize installation and dismantlement through rotatory, and rotatory tight real degree that changes laminating between the fixed cover of collet chuck and the adapter sleeve, can change spacing aligning block adsorption affinity in step, the quick dismantlement and the installation of special chuck in the tensile anchor clamps have been realized to this structure, the efficiency of maintenance and maintenance has been improved.
Drawings
FIG. 1 is a schematic perspective front sectional view of the present invention;
FIG. 2 is a schematic front sectional view of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic front sectional view of the special chuck of the present invention;
FIG. 5 is a front view of the special chuck of the present invention;
FIG. 6 is a side view of the special chuck of the present invention.
In the figure: 1. a special chuck; 2. a tubular workpiece; 3. a chuck fixing block; 4. adjusting the sliding block; 5. limiting a guide rail; 6. a limit fixing block; 7. fixing the bottom plate; 8. a chuck fixing rod; 9. an external thread; 10. an internal thread; 11. installing a groove; 12. fixing the core rod; 13. a collet body; 14. a collet chuck fixing sleeve; 15. connecting sleeves; 16. a limiting and centering block; 17. and (7) installing holes.
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.
Example 1: referring to fig. 1-6, a tensile fixture for a tubular sample and a using method thereof include a fixed base plate 7, two limiting fixed blocks 6 are fixedly connected to two sides of the top end of the fixed base plate 7, two groups of special chucks 1 are provided, a tubular workpiece 2 is arranged between the special chucks 1, a collet chuck main body 13 is arranged on one side of the special chuck 1, and a collet chuck fixing sleeve 14 is arranged outside the collet chuck main body 13;
the inside of the collet chuck main body 13 is provided with mounting holes 17, the inside of the mounting holes 17 is provided with fixed core bars 12, two groups of limiting fixed blocks 6 are arranged, the width of the limiting fixed blocks 6 is the same, and the limiting fixed blocks 6 are symmetrically distributed about the vertical center line of the fixed bottom plate 7;
specifically, as shown in fig. 1, 2 and 6, a proper fixed core rod 12 and a spring chuck main body 13 are selected according to the inner and outer diameter sizes of the tubular workpiece 2, the fixed core rod 12 is preferably just easy to place inside the tubular workpiece 2, the spring chuck main body 13 is preferably selected so that the outer diameter of the tubular workpiece 2 is in the telescopic range, then the fixed core rod is connected with the chuck fixed rod 8 by a universal stretcher, the middle part of the tubular workpiece is stretched in a proper length, in the stretching process, the fixed core rod 12 is larger in the attaching area with the inner surface of the tubular workpiece 2, the tubular workpiece 2 is clamped tightly, the broken area of the tubular workpiece is less, the stretching jig greatly improves the finishing rate of thin tubular workpiece stretching, and improves the accuracy and the integrity of detection data.
Example 2: the inner surface of the tubular workpiece 2 is attached to the outer part of the fixed core bar 12 in a large area, one side of the fixed core bar 12 penetrates through one side of the special chuck 1 and extends to the outer part of the special chuck 1, and the other side of the fixed core bar 12 is embedded in the limiting and aligning block 16;
specifically, as shown in fig. 1, 2 and 6, the limiting aligning block 16 for adsorbing and fixing the core bar 12 is adsorbed at the round end of the chuck fixing rod 8, and is used for adsorbing and fixing the core bar 12 and playing a role of flexible self-aligning during clamping, the adsorption strength of the fixing core bar 12 can be adjusted by rotating the special chuck 1 during clamping of the tubular workpiece 2, and the drawing fixture greatly improves the finishing rate of drawing thin tubular products.
Example 3: a limiting guide rail 5 is fixedly connected between the limiting fixing blocks 6, two groups of adjusting slide blocks 4 are arranged outside the limiting guide rail 5, the tubular workpiece 2 is sleeved outside the fixing core rod 12, the size of the inside of each adjusting slide block 4 is smaller than that of the outside of the limiting guide rail 5, and the adjusting slide blocks 4 are embedded outside the limiting guide rails 5 and are in sliding connection;
specifically, as shown in fig. 1, fig. 2 and fig. 3, when the tubular workpiece 2 is stretched by the stretching clamp, the tubular workpiece 2 moves outside the limit guide rail 5 by using the adjusting slider 4, the limit guide rail 5 is fixed between the limit fixing blocks 6, the fixing bottom plate 7 at the bottom of the limit guide rail 5 is connected with the limit fixing blocks 6, and the levelness of the two sets of limit fixing blocks 6 is ensured, so that the parallelism requirement of the installation position of the limit guide rail 5 is ensured, the stretching stability of the tubular workpiece 2 can be ensured in the stretching process, and the slipping phenomenon is avoided in the stretching process.
Example 4: a limiting and centering block 16 is arranged inside the special chuck 1, the limiting and centering block 16 is embedded on one side of the chuck fixing rod 8, the adjusting slide block 4 is made of a graphite copper block, and the adjusting slide block 4 has a self-lubricating effect and enhances the sliding effect;
specifically, as shown in fig. 1, 2 and 3, the clamping device plays a role in stably supporting when clamping a workpiece, the left special chuck 1 is held by a hand, the adjusting slide block 4 is moved to the position with the limiting fixing block 6, the clamped special clamp with the tubular workpiece 2 is transversely taken out and clamped onto a wedge-shaped clamping tool of a plate on a stretcher, and the test stretching is performed according to a normal operation process, so that the detection accuracy is improved.
Example 5: the spring chuck fixing sleeve 14 is arranged outside the special chuck 1, a chuck fixing rod 8 is arranged on one side of the spring chuck fixing sleeve 14, a connecting sleeve 15 is fixedly connected between the spring chuck fixing sleeve 14 and the chuck fixing rod 8, and two groups of mounting grooves 11 are formed in the top end and the bottom end of the spring chuck fixing sleeve 14;
specifically, as shown in fig. 1, 4 and 5, the chuck fixing block 3 is used to fix the special chuck 1, so that when a workpiece is clamped, the workpiece is ensured to be straight without torsion and to be in clearance fit with the special chuck 1, and the special chuck 1 is conveniently assembled and disassembled.
Example 6: the top end of the adjusting sliding block 4 is fixedly connected with a chuck fixing block 3, a special chuck 1 is arranged inside the chuck fixing block 3, an internal thread 10 is arranged inside a collet chuck fixing sleeve 14, an external thread 9 is arranged outside a connecting sleeve 15, and the collet chuck fixing sleeve 14 is sleeved outside the connecting sleeve 15 and is in threaded connection;
specifically, as shown in fig. 1, 4 and 5, the collet chuck fixing sleeve 14 and the connecting sleeve 15 outside the special collet chuck 1 are screwed and connected through the internal thread 10 and the external thread 9, so that the installation and the disassembly can be realized through rotation, the tight fit degree between the collet chuck fixing sleeve 14 and the connecting sleeve 15 can be changed through rotation, the adsorption force strength of the limiting and adjusting block 16 can be synchronously changed, the structure realizes the quick disassembly and installation of the special collet chuck 1 in the stretching clamp, and the overhauling and maintaining efficiency is improved.
The working principle is as follows: when the special chuck is used, the special chuck 1 is spliced in the first step, the limiting aligning block 16 for adsorbing and fixing the core rod 12 is adsorbed at the round end of the chuck fixing rod 8, and then the chuck fixing rod 8 and the connecting sleeve 15 are rotatably connected to the tightest position. The collet chuck fixing sleeve 14 and the collet chuck main body 13 are clamped together according to positions, then the collet chuck fixing sleeve 14 is screwed with the large-caliber position of the connecting sleeve 15 without being screwed, the fixing core rod 12 is inserted into the central position of the limiting and aligning block 16 to be sucked, and the limiting and aligning block 16 plays a flexible self-aligning role during clamping;
secondly, fixing the workpiece, selecting a proper fixed core rod 12 and a spring chuck main body 13 according to the inner and outer diameter sizes of the tubular workpiece 2, wherein the fixed core rod 12 is proper for being just easily placed into the tubular workpiece 2, the spring chuck main body 13 is proper for selecting the outer diameter of the tubular workpiece 2 within the telescopic range, inserting the tubular workpiece 2 between the fixed core rod 12 and the spring chuck main body 13 of the special chuck 1, reserving a proper middle gauge length position, placing the left-end special chuck 1 into a spring chuck fixing sleeve 14, and rotating the non-tightened spring chuck fixing sleeve 14 by using a special wrench to the tightest state so that the tubular workpiece 2 cannot be pulled out;
thirdly, stretching the pipe, connecting the pipe with a chuck fixing rod 8 by a universal stretcher, stretching the middle part of the pipe with a proper length, wherein the pipe workpiece 2 moves outside a limiting guide rail 5 by using an adjusting slide block 4 in the stretching process, so that the stretching stability of the pipe workpiece 2 can be ensured in the stretching process, and the slipping phenomenon in the stretching process is avoided, because the joint area between a fixing core rod 12 and the inner surface of the pipe workpiece 2 is large, the pipe workpiece 2 is tightly clamped, the area of the pipe which is broken and damaged is small, holding the left special chuck 1 by a hand, moving the adjusting slide block 4 to the position with the limiting fixing block 6, transversely taking out a pair of clamped special clamps with the pipe workpiece 2, clamping the clamps onto a plate wedge-shaped clamping tool on the stretcher, testing and stretching according to the normal operation flow, and improving the detection accuracy, the stretching clamp greatly improves the finishing rate of the stretching of the thin pipe.
The fourth step dismantles or changes special chuck 1, chuck fixed block 3 in the tensile anchor clamps is used for fixing special chuck 1, guarantee that the work piece is straight when the clamping work piece, do not produce to twist reverse and lean on shape clearance fit with special chuck 1, conveniently load and unload special chuck 1, the fixed cover 14 of spring chuck outside special chuck 1 and adapter sleeve 15 are screwed through internal thread 10 and external screw thread 9 and are connected, so can realize installation and dismantlement through rotatory, and rotatory tight degree of laminating between the fixed cover 14 of spring chuck and the adapter sleeve 15 that changes, can change spacing aligning piece 16 adsorption affinity in step, this structure has realized the quick dismantlement and the installation of special chuck 1 in the tensile anchor clamps, the efficiency of overhaul and maintenance has been improved.
In conclusion, the tubular sample stretching clamp has the advantages that through multiple stretching tests, the tubular workpiece 2 is tightly clamped, the phenomenon of slipping does not occur in the stretching process, most of the fracture damage area is in the middle section, the damage area of the clamping part is less, the stretching completion rate of the thin and thin tube is greatly improved, the accuracy and the integrity of detection data are improved, and the problems that the existing tubular stretching clamp is inconvenient to clamp or the clamping position of the thin and thin tube is greatly damaged by excessive force and the like are solved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A tensile clamp for a tubular test sample and a using method thereof comprise a fixed bottom plate (7), and are characterized in that: the utility model discloses a chuck, including fixed bottom plate (7), the spacing fixed block of both sides fixedly connected with (6) on fixed bottom plate (7) top, fixedly connected with limit guide (5) between limit fixed block (6), the outside of limit guide (5) is provided with two sets of adjusting slide (4), the top fixedly connected with chuck fixed block (3) of adjusting slide (4), the inside of chuck fixed block (3) is provided with special chuck (1), special chuck (1) is provided with two sets ofly, be provided with tubular work piece (2) between special chuck (1), one side of special chuck (1) is provided with collet chuck main part (13), the outside of collet chuck main part (13) is provided with the fixed cover of collet chuck (14).
2. The tensile clamp for the tubular test specimen and the use method thereof according to claim 1 are characterized in that: the fixed cover of collet chuck (14) sets up the outside at special chuck (1), one side of the fixed cover of collet chuck (14) is provided with chuck dead lever (8), fixedly connected with adapter sleeve (15) between the fixed cover of collet chuck (14) and chuck dead lever (8), two sets of mounting groove (11) have been seted up to the top and the bottom of the fixed cover of collet chuck (14).
3. The tensile clamp for the tubular test specimen and the use method thereof according to claim 1 are characterized in that: the spring chuck is characterized in that a mounting hole (17) is formed in the spring chuck body (13), and a fixed core rod (12) is arranged in the mounting hole (17).
4. The tensile clamp for the tubular test specimen and the use method thereof according to claim 1 are characterized in that: the special chuck (1) is internally provided with a limiting and adjusting block (16), and the limiting and adjusting block (16) is embedded at one side of the chuck fixing rod (8).
5. The tensile clamp for the tubular test specimen and the use method thereof according to claim 2 are characterized in that: the inside of the collet chuck fixing sleeve (14) is provided with an internal thread (10), the outside of the connecting sleeve (15) is provided with an external thread (9), and the collet chuck fixing sleeve (14) is in threaded connection with the outside of the connecting sleeve (15).
6. The tensile clamp for the tubular test specimen and the use method thereof according to claim 1 are characterized in that: the tubular workpiece (2) is sleeved outside the fixed core rod (12), and the inner surface of the tubular workpiece (2) is attached to the outside of the fixed core rod (12) in a large area.
7. The tensile clamp for the tubular test specimen and the use method thereof according to claim 1 are characterized in that: the size of the inner part of the adjusting sliding block (4) is smaller than the size of the outer part of the limiting guide rail (5), and the adjusting sliding block (4) is embedded in the outer part of the limiting guide rail (5) and is in sliding connection.
8. The tensile clamp for the tubular test specimen and the use method thereof according to claim 3, wherein the tensile clamp comprises: one side of the fixed core rod (12) penetrates through one side of the special chuck (1) and extends to the outside of the special chuck (1), and the other side of the fixed core rod (12) is embedded in the limiting and aligning block (16).
9. The tensile clamp for the tubular test specimen and the use method thereof according to claim 1 are characterized in that: the two groups of limiting fixing blocks (6) are arranged, the width of the limiting fixing blocks (6) is the same, and the limiting fixing blocks (6) are symmetrically distributed about the vertical center line of the fixing bottom plate (7).
10. The tensile clamp for the tubular test specimen and the use method thereof according to claim 1 are characterized in that: the adjusting slide block (4) is prepared from a graphite copper block, and the adjusting slide block (4) has a self-lubricating effect and enhances the sliding effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111119383.0A CN113607543A (en) | 2021-09-24 | 2021-09-24 | Tensile clamp for tubular sample and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111119383.0A CN113607543A (en) | 2021-09-24 | 2021-09-24 | Tensile clamp for tubular sample and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113607543A true CN113607543A (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111119383.0A Pending CN113607543A (en) | 2021-09-24 | 2021-09-24 | Tensile clamp for tubular sample and using method thereof |
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| Country | Link |
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| CN (1) | CN113607543A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834728A (en) * | 2021-11-26 | 2021-12-24 | 广东安拓普聚合物科技有限公司 | Test equipment for detecting renewable performance of environment-friendly plastic |
| CN114486542A (en) * | 2021-12-28 | 2022-05-13 | 安徽云蒙仪表有限公司 | Glass manages glass pipe detection device for level gauge |
-
2021
- 2021-09-24 CN CN202111119383.0A patent/CN113607543A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834728A (en) * | 2021-11-26 | 2021-12-24 | 广东安拓普聚合物科技有限公司 | Test equipment for detecting renewable performance of environment-friendly plastic |
| CN113834728B (en) * | 2021-11-26 | 2022-03-18 | 广东安拓普聚合物科技有限公司 | Test equipment for detecting renewable performance of environment-friendly plastic |
| CN114486542A (en) * | 2021-12-28 | 2022-05-13 | 安徽云蒙仪表有限公司 | Glass manages glass pipe detection device for level gauge |
| CN114486542B (en) * | 2021-12-28 | 2024-01-12 | 安徽云蒙仪表有限公司 | Glass tube detection device for glass tube liquid level meter |
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