CN109211677A - A kind of rigidity detection device convenient for clamping steel pipe - Google Patents
A kind of rigidity detection device convenient for clamping steel pipe Download PDFInfo
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- CN109211677A CN109211677A CN201811167024.0A CN201811167024A CN109211677A CN 109211677 A CN109211677 A CN 109211677A CN 201811167024 A CN201811167024 A CN 201811167024A CN 109211677 A CN109211677 A CN 109211677A
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- sleeve
- steel pipe
- plummer
- push rod
- detection device
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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
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- 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
- G01N3/40—Investigating hardness or rebound hardness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
- G01N2203/0087—Resistance to crushing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses a kind of rigidity detection devices convenient for clamping steel pipe, including rack, plummer and main baffle, hydraulic cylinder is installed above the rack, and guide rod is installed below hydraulic cylinder, detector is installed below the guide rod, and the outer surface of guide rod is equipped with fixed link, the upper surface of the bottom of the frame is equipped with connection strap, the surface of the overhead gage is reserved with port, the spring stack that the plummer is installed by lower surface is fixedly connected with rack, the surface embedded type of the first sleeve is equipped with iron block, the side of the electromagnetic coil is connected with conducting wire.This is convenient for the rigidity detection device of clamping steel pipe, when steel pipe is burst, protective baffle plate and main baffle form the body structure of a closure, fragment is avoided to sputter, simultaneous buffering pad provides cushion effect, reduce noise, generate magnetic force using electromagnetic coil, passes through switching on and off convenient for handling steel pipe for electric current.
Description
Technical field
The present invention relates to workpiece sensing technical field, specially a kind of rigidity detection device convenient for clamping steel pipe.
Background technique
In machinery production, need to use all kinds of circular tube shaped steel pipes, workpiece is clamped fixation by tubulose steel pipe, to put
On fixed workbench.When carrying out hardness determination to circular tube shaped steel pipe, usually by the inside of pressure head indentation sample, pass through steel
The breakage or deformation of pipe surface calculates its hardness.When detecting, existing is all from outer surface of steel tube screw to steel pipe
Be fixed, stability is poor, press downward to the influence in a flash, being under pressure with gravity in pressure head, steel pipe can with
Pressure head contact shifts in a flash, influences the accuracy of test, and some bad samples are when stress is larger, steel pipe
Surface is easy fried spillage fragment, and risk is larger.
Summary of the invention
The purpose of the present invention is to provide a kind of rigidity detection devices convenient for clamping steel pipe, to solve above-mentioned background technique
Middle proposition is fixed steel pipe from the outside of steel pipe with screw, and stability is poor and bad sample is when stress is larger, steel
The surface of pipe is easy fried spillage fragment, the larger problem of risk.
To achieve the above object, the invention provides the following technical scheme: it is a kind of convenient for clamp steel pipe rigidity detection device,
Including rack, plummer and main baffle, hydraulic cylinder is installed, and guide rod is installed below hydraulic cylinder above the rack,
Detector is installed, and the outer surface of guide rod is equipped with fixed link, the upper surface peace of the bottom of the frame below the guide rod
Equipped with connection strap, and protective baffle plate is installed above connection strap, the inner surface of the protective baffle plate is equipped with cushion, and anti-
Overhead gage is fixedly installed with above guard, the surface of the overhead gage is reserved with port, and the plummer passes through lower surface
The spring stack of installation is fixedly connected with rack, and plummer is connected by the connecting rod of the two sides and the lower end of overhead gage
It connects, first sleeve is installed, and first sleeve passes through the fixed bearing base of inner surface and second sleeve above the plummer
Outer wall be connected with each other, the surface embedded type of the first sleeve is equipped with iron block, and the inside of iron block is equipped with electromagnetic coil,
The side of the electromagnetic coil is connected with conducting wire, and the surface of the second sleeve is run through by push rod, and the end of push rod is equipped with
Fixture block, the main baffle is located at the upper surface of rack, and main baffle is located at the two sides of connection strap, and the inside of the second sleeve is solid
Dingan County is equipped with newel, and the reset spring that newel is installed by outside is connected with each other with push rod.
Preferably, the fixed link is symmetrically arranged with 2 on the outside of guide rod, and the lower end of fixed link is lower than detector
Lower end, and the distance between 2 fixed links are greater than the diameter of first sleeve.
Preferably, the connection strap and protective baffle plate constitute rotational structure, and connection strap is provided with 2, and 2 connections
Item and 2 main baffles constitute " mouth " font structure.
Preferably, the protective baffle plate is set as " bending " font structure, and itself and the hot sticky connection of cushion.
Preferably, the spring stack has 4 in the lower surface spaced set of plummer, and plummer and connecting rod are constituted
Rotational structure.
Preferably, the bearing base on the surface of second sleeve in equiangularly arranged, and bearing base respectively with first sleeve
It is fixedly connected with second sleeve, and the length of first sleeve is less than the length of second sleeve.
Preferably, the electromagnetic coil and push rod are angularly provided with 3, and electricity about the central point of second sleeve
Magnetic coil and push rod position are in same horizontal line.
Preferably, the second sleeve and push rod constitute slide construction, and push rod is made of magnetic material, while push rod
Length is greater than the difference of second sleeve and first sleeve internal diameter.
It compared with prior art, the beneficial effects of the present invention are: should be convenient for the rigidity detection device of clamping steel pipe, anti-guard block
Plate can be rotated above fixed link, while protective baffle plate is connected with each other by connecting rod and plummer, to work as guide rod
When moving down, guide rod drives detector and fixed link to be moved downwards, fixed when detector carries out pressure test to steel pipe
Bar, which moves downward simultaneously, suppresses plummer, so that 2 protective baffle plates be driven inwardly to be closed, to the steel pipe of detection into
Row package protection, so that fixed link suppresses plummer always when steel pipe is burst, protective baffle plate forms one with main baffle and closes
The body structure of conjunction, avoids fragment from sputtering, while the cushion on protective baffle plate surface provides cushion effect, reduces noise, when
When guide rod retraction moves up, spring stack drives plummer to move up, so that 2 protective baffle plates open again, and carries
Platform moves up, so that first sleeve drives steel pipe to move up, conveniently takes out steel pipe；
When steel pipe is installed, its nozzle is inserted in the gap between first sleeve and second sleeve first, due to first sleeve
Surface is equipped with 3 electromagnetic coils, so that electromagnetic coil generates magnetic force after being powered, the magnetic force of generation magnetizes iron block, simultaneously
Due to the magnetism of the magnetic force and push rod, on the contrary, push rod is carried out with iron block, magnetism is attracting, and push rod is promoted to move to the external of second sleeve
It is dynamic, to drive fixture block that the inner wall of steel pipe is fixed, and can the tubulose steel pipe to different-diameter be fixed, while by
It is contrary with the power that detector pushes in the fixed power of push rod, to improve the stability of steel pipe, avoid steel pipe and detection
The offset of generation in a flash of head contact, generates magnetic force also with electromagnetic coil, is convenient for fixing by switching on and off for electric current
With disassembly steel pipe.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is protective baffle plate closing structure schematic diagram of the present invention；
Fig. 3 is that connection strap of the present invention and main baffle install overlooking structure diagram；
Fig. 4 is overhead gage closing structure schematic diagram of the present invention；
Fig. 5 is plummer overlooking structure diagram of the present invention；
Fig. 6 is that first sleeve of the present invention and second sleeve install positive structure diagram.
In figure: 1, rack；2, hydraulic cylinder；3, guide rod；4, detector；5, fixed link；6, connection strap；7, protective baffle plate；8,
Cushion；9, overhead gage；10, port；11, spring stack；12, plummer；13, connecting rod；14, first sleeve；15, bearing base；
16, iron block；17, electromagnetic coil；18, conducting wire；19, second sleeve；20, push rod；21, fixture block；22, main baffle；23, newel；
24, reset spring.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6 is please referred to, the present invention provides a kind of technical solution: a kind of rigidity detection device convenient for clamping steel pipe, packet
Including rack 1, hydraulic cylinder 2, guide rod 3, detector 4, fixed link 5, connection strap 6, protective baffle plate 7, cushion 8, overhead gage 9, port
10, spring stack 11, plummer 12, connecting rod 13, first sleeve 14, bearing base 15, iron block 16, electromagnetic coil 17, conducting wire 18,
Two sleeves 19, push rod 20, fixture block 21, main baffle 22, newel 23 and reset spring 24, the top of rack 1 are equipped with hydraulic cylinder
2, and the lower section of hydraulic cylinder 2 is equipped with guide rod 3, the lower section of guide rod 3 is equipped with detector 4, and the outer surface of guide rod 3 is equipped with admittedly
Fixed pole 5, fixed link 5 is symmetrically arranged with 2 in the outside of guide rod 3, and the lower end of fixed link 5 is lower than the lower end of detector 4, and
The distance between 2 fixed links 5 are greater than the diameter of first sleeve 14, thus when detector 4 is squeezed sample steel pipe, it is fixed
Bar 5 pushes down plummer 12, to burst in a flash in sample, sample steel pipe loses with detector 4 and contacts, fixed link 5 according to
So plummer 12 is suppressed, avoids the rising of fixed link 5 that protective baffle plate 7 is caused to open；
The upper surface of 1 bottom of rack is equipped with connection strap 6, and the top of connection strap 6 is equipped with protective baffle plate 7, connection strap 6 and anti-
Guard 7 constitutes rotational structure, and connection strap 6 is provided with 2, and 2 connection strap 6 and 2 main baffles 22 constitute " mouth " word
Type structure, i.e. the two constitute a closed body structure, carry out package protection to internal sample, avoid the fragment bullet burst
Out；
The inner surface of protective baffle plate 7 is equipped with cushion 8, and the top of protective baffle plate 7 is fixedly installed with overhead gage 9, anti-guard block
Plate 7 is set as " bending " font structure, and itself and the hot sticky connection of cushion 8, and " bow " font structure is convenient for dispersing impact force,
Reduce the impact force that protective baffle plate 7 is subject in itself, and cushion 8 plays the role of damping, buffering, protective baffle plate 7 is carried out
Protection；
The surface of overhead gage 9 is reserved with port 10, and the spring stack 11 that plummer 12 is installed by lower surface is fixed with rack 1
Connection, and plummer 12 is attached by the connecting rod 13 of the two sides and the lower end of overhead gage 9, spring stack 11 is in plummer 12
Lower surface spaced set have 4, and plummer 12 and connecting rod 13 constitute rotational structure, spring stack 11 to plummer 12 into
Row stablizes support, avoids 12 unstability of plummer, when plummer 12 moves up and down, pushes overhead gage 9 to carry out by connecting rod 13
Rotation；
The top of plummer 12 is equipped with first sleeve 14, and the bearing base 15 and second that first sleeve 14 is fixed by inner surface
The outer wall of sleeve 19 is connected with each other, and the surface embedded type of first sleeve 14 is equipped with iron block 16, and the inside of iron block 16 is equipped with
Electromagnetic coil 17, electromagnetic coil 17 and push rod 20 are angularly provided with 3, and electromagnetism about the central point of second sleeve 19
Coil 17 and 20 position of push rod are in same horizontal line, thus when electromagnetic coil 17 has magnetic, the magnetic magnetic with push rod 20
Property is on the contrary, attracting magnetic force makes push rod 20 close to first sleeve 14, so that tubulose steel pipe be fixed；
The side of electromagnetic coil 17 is connected with conducting wire 18, and conducting wire 18 runs through out of iron block 16 to be installed with electromagnetic coil 17, and
And conducting wire 18 carries out circuit connection through with other electromagnetic coils 17 inside first sleeve 14, and 3 electromagnetic coils 17 are adopted
The mode connected with series circuit, so that 3 17 magnetic induction line directions of electromagnetic coil are identical；
The surface of second sleeve 19 is run through by push rod 20, and the end of push rod 20 is equipped with fixture block 21, and bearing base 15 is at second set
The surface of cylinder 19 is in equiangularly arranged, and bearing base 15 is fixedly connected with first sleeve 14 and second sleeve 19 respectively, and the
The length of one sleeve 14 is less than the length of second sleeve 19, and first sleeve 14 is fixedly connected with second sleeve 19, tubulose steel pipe
Pipe shaft is inserted between first sleeve 14 and second sleeve 19, since bearing base 15 is located at the end of first sleeve 14, and push rod 20
Position be located at the head end of first sleeve 14, the steel pipe of different length can be fixed in existing distance difference；
Main baffle 22 is located at the upper surface of rack 1, and main baffle 22 is located at the two sides of connection strap 6, and the inside of second sleeve 19 is solid
Dingan County is equipped with newel 23, and the reset spring 24 that newel 23 is installed by outside is connected with each other with push rod 20, second sleeve
19 constitute slide construction with push rod 20, and push rod 20 is made of magnetic material, while the length of push rod 20 is greater than second sleeve 19
And the difference of 14 internal diameter of first sleeve, push rod 20 are slided on the surface of second sleeve 19, and the position of push rod 20 is changed, from
And the tubulose steel pipe of different-diameter is fixed.
Working principle: as shown in Fig. 1, Fig. 5 and Fig. 6, the both ends of steel pipe are separately mounted to 2 first sleeves 14 first
Inside, the i.e. both ends of steel pipe are respectively inserted in the outside (dotted line is the fixed schematic diagram of steel pipe in attached drawing 5) of 2 second sleeves 19, the
Two sleeves 19 are located in the inner cavity of steel pipe, the power supply of conducting wire 18 are connected later, so that electric current is transferred to electromagnetic coil by conducting wire 18
17, electromagnetic coil 17 generates magnetic force, and magnetizes to iron block 16 so that iron block 16 is containing being magnetic, thus iron block 16 with push away
Bar 20 is attracting, promotes push rod 20 mobile to the outside of second sleeve 19, and push rod 20 drives reset spring 24 to be stretched, until card
Block 21 and the inner wall of steel pipe are fastenedly connected, and under the magnetic force, fixture block 21 is by steel pipe fixing compact；
Start the power supply of hydraulic cylinder 2 later, as shown in Figs 1-4, hydraulic cylinder 2 drives guide rod 3 to move down, and guide rod 3 drives detection
First 4 protrude into the inside of protective baffle plate 7, and when detector 4, which pushes down steel pipe, to be moved down, steel pipe passes through the first sleeve being fixedly connected
14 drive plummers 12 move down, so that plummer 12 moves down spring stack 11, while plummer 12 passes through connecting rod
13 drive overhead gages 9 move down, and overhead gage 9 drives protective baffle plate 7 to be inwardly closed, and guide rod 3 is inserted in the inside of port 10, until
The length of spring stack 11 is minimum, and 2 overhead gages 9 are closed completely at this time, and overhead gage 9 and main baffle 22 form a cabinet；
As shown in Figure 1 and Figure 2, guide rod 3 continues to move down, when the pressure of the application of hydraulic cylinder 2 reaches maximum, detector 4 by
The pressure arrived is maximum, and the pressure value that detector 4 will test passes to external data analysis equipment, thus external number
Tracing analysis figure is converted by pressure value according to analytical equipment, so that the pressure valve of the detected steel pipe is learnt, when hydraulic cylinder 2 exists
Downwards during pressure, when defective products is burst, since fixed link 5 suppresses plummer 12 always, so that 7 He of protective baffle plate
Overhead gage 9 is constantly in the state of closure, so that the fragment burst is splashed on cushion 8, plays the role of reducing impact force；
The back-guiding rod 3 of detection moves up, and loses the pressure of fixed link 5, and spring stack 11 is sprung back again so that plummer 12 to
Upper movement, so that protective baffle plate 7 and overhead gage 9 open again, the power supply of break line 18, electromagnetic coil 17 lose magnetic at this time
Power, under the action of reset spring 24, push rod 20 is retracted the inside of second sleeve 19 again, takes out internal sample later i.e.
It can.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of rigidity detection device convenient for clamping steel pipe, including rack (1), plummer (12) and main baffle (22), special
Sign is: it is equipped with hydraulic cylinder (2) above the rack (1), and guide rod (3) is installed below hydraulic cylinder (2), it is described to lead
It is equipped with below bar (3) detector (4), and the outer surface of guide rod (3) is equipped with fixed link (5), rack (1) bottom
Upper surface is equipped with connection strap (6), and protective baffle plate (7) are equipped with above connection strap (6), the protective baffle plate (7) it is interior
Surface is equipped with cushion (8), and overhead gage (9) are fixedly installed with above protective baffle plate (7), the table of the overhead gage (9)
Face is reserved with port (10), the spring stack (11) and rack (1) company of being fixed that the plummer (12) is installed by lower surface
It connects, and plummer (12) is attached by the connecting rod (13) of the two sides and the lower end of overhead gage (9), the plummer (12)
Top be equipped with first sleeve (14), and first sleeve (14) passes through the fixed bearing base (15) of inner surface and second sleeve
(19) outer wall is connected with each other, and the surface embedded type of the first sleeve (14) is equipped with iron block (16), and iron block (16) is interior
Portion is equipped with electromagnetic coil (17), and the side of the electromagnetic coil (17) is connected with conducting wire (18), the second sleeve (19)
Surface is run through by push rod (20), and the end of push rod (20) is equipped with fixture block (21), and the main baffle (22) is located at rack (1)
Upper surface, and main baffle (22) is located at the two sides of connection strap (6), the inside of the second sleeve (19) is fixedly installed with newel
(23), and the reset spring (24) installed by outside of newel (23) and push rod (20) are connected with each other.
2. a kind of rigidity detection device convenient for clamping steel pipe according to claim 1, it is characterised in that: the fixed link
(5) 2 are symmetrically arranged on the outside of guide rod (3), and the lower end of fixed link (5) is lower than the lower end of detector (4), and 2
The distance between fixed link (5) is greater than the diameter of first sleeve (14).
3. a kind of rigidity detection device convenient for clamping steel pipe according to claim 1, it is characterised in that: the connection strap
(6) rotational structure is constituted with protective baffle plate (7), and connection strap (6) is provided with 2, and 2 connection straps (6) and 2 main baffles
(22) " mouth " font structure is constituted.
4. a kind of rigidity detection device convenient for clamping steel pipe according to claim 1, it is characterised in that: the anti-guard block
Plate (7) is set as " bending " font structure, and itself and cushion (8) hot sticky connection.
5. a kind of rigidity detection device convenient for clamping steel pipe according to claim 1, it is characterised in that: the spring stack
(11) there are 4 in the lower surface spaced set of plummer (12), and plummer (12) and connecting rod (13) constitute rotational structure.
6. a kind of rigidity detection device convenient for clamping steel pipe according to claim 1, it is characterised in that: the bearing base
(15) on the surface of second sleeve (19) in equiangularly arranged, and bearing base (15) respectively with first sleeve (14) and second sleeve
(19) it is fixedly connected, and the length of first sleeve (14) is less than the length of second sleeve (19).
7. a kind of rigidity detection device convenient for clamping steel pipe according to claim 1, it is characterised in that: the electromagnetic wire
Circle (17) and push rod (20) are angularly provided with 3 about the central point of second sleeve (19), and electromagnetic coil (17) and
Push rod (20) position is in same horizontal line.
8. a kind of rigidity detection device convenient for clamping steel pipe according to claim 1, it is characterised in that: described second set
Cylinder (19) and push rod (20) constitute slide construction, and push rod (20) is made of magnetic material, while the length of push rod (20) is greater than
The difference of second sleeve (19) and first sleeve (14) internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811167024.0A CN109211677B (en) | 2018-10-08 | 2018-10-08 | Hardness detection device convenient to centre gripping steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811167024.0A CN109211677B (en) | 2018-10-08 | 2018-10-08 | Hardness detection device convenient to centre gripping steel pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109211677A true CN109211677A (en) | 2019-01-15 |
| CN109211677B CN109211677B (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811167024.0A Active CN109211677B (en) | 2018-10-08 | 2018-10-08 | Hardness detection device convenient to centre gripping steel pipe |
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Cited By (7)
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| CN109900569A (en) * | 2019-03-14 | 2019-06-18 | 岭南师范学院 | A kind of rock sugar rigidity detection device |
| CN111003652A (en) * | 2019-12-14 | 2020-04-14 | 瞿海鹏 | Civil engineering pipe fitting device of taking |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109900569A (en) * | 2019-03-14 | 2019-06-18 | 岭南师范学院 | A kind of rock sugar rigidity detection device |
| CN109900569B (en) * | 2019-03-14 | 2024-01-30 | 岭南师范学院 | Crystal sugar hardness detection device |
| CN112763358A (en) * | 2019-11-04 | 2021-05-07 | 中国石油化工股份有限公司 | Portable in-service pipeline mechanical property detection equipment |
| CN111003652A (en) * | 2019-12-14 | 2020-04-14 | 瞿海鹏 | Civil engineering pipe fitting device of taking |
| CN112014252A (en) * | 2020-09-02 | 2020-12-01 | 徐州工程学院 | Brinell hardness field measuring device for small-diameter pipe |
| CN113188887A (en) * | 2021-04-19 | 2021-07-30 | 刘刚 | Sapphire surface hardness detection device is used in wrist-watch production with protection machanism |
| CN113188887B (en) * | 2021-04-19 | 2024-05-10 | 杭州小曦智能科技有限公司 | Sapphire surface hardness detection device is used in wrist-watch production with protection machanism |
| CN113504140A (en) * | 2021-09-09 | 2021-10-15 | 南通诚利钢结构工程有限公司 | Hardness detection device is used in steel construction production |
| CN113504140B (en) * | 2021-09-09 | 2021-11-26 | 南通诚利钢结构工程有限公司 | Hardness detection device is used in steel construction production |
| CN114509362A (en) * | 2022-04-19 | 2022-05-17 | 南通泽云机械有限公司 | Hardness detection equipment is used in steel construction production based on it is spacing |
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