CN110715856A - Equipment for detecting tensile strength and cold bending performance of small-diameter steel bar - Google Patents
Equipment for detecting tensile strength and cold bending performance of small-diameter steel bar Download PDFInfo
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- CN110715856A CN110715856A CN201911067022.9A CN201911067022A CN110715856A CN 110715856 A CN110715856 A CN 110715856A CN 201911067022 A CN201911067022 A CN 201911067022A CN 110715856 A CN110715856 A CN 110715856A
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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
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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
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- 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
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- 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
- G01N2203/0017—Tensile
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- 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
- G01N2203/0023—Bending
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- 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
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0228—Low temperature; Cooling means
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- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of steel bar cold bending and tensile stress detection, and discloses equipment for detecting tensile strength and cold bending performance of a small-diameter steel bar. This tensile strength and cold-bending performance check out test set of minor diameter reinforcing bar through using backup pad, bearing seat and install bin as the main part, can install all the other members in the main part, fixes equipment inside the box through the organism simultaneously, and the top cap of organism can be opened or close through the bearing, and the pulley is installed to the bottom of organism, has the compact structure that makes equipment, not fragile effect when transportation and removal, reaches compact structure, the volume is littleer and portable's purpose.
Description
Technical Field
The invention relates to the technical field of steel bar cold bending and tensile stress detection, in particular to equipment for detecting the tensile strength and the cold bending performance of a small-diameter steel bar.
Background
Along with the continuous development of scientific technology, the production technology is also advanced at a high speed, the manufacturing difficulty and strength are higher and higher, and correspondingly, if the manufactured product does not meet the requirements, the manufactured product has greater destructive power on the life health and property safety of people, so the engineering detection link is an essential project in production and construction, the reinforcing steel bars are widely applied due to the special performance of the reinforcing steel bars, the effect of the reinforcing steel bars is also important, and the detection on the quality of the reinforcing steel bars is an important link in the engineering detection.
The properties of steel bars are mainly divided into two main categories: one is service performance, the other is process performance, the cold bending and the tensile strength of the steel bar belong to process performance, the cold bending of steel is that the steel bar can bear bending without cracking performance at normal temperature, the tensile strength is the resistance of the maximum uniform plastic deformation of the steel bar, the two are main performances of the steel bar, when the two performances are not up to standard, the steel bar is easy to bend and break or break, and the unqualified steel bar has great potential safety hazard after being used by mistake, so that the life and property safety of people is greatly threatened.
Present reinforcing bar check out test set, general structure is comparatively complicated, and is bulky, inconvenient staff carries when needs are at the witnessed inspections, and some simple and easy check out test set are then because the facility is simple and crude, it is comparatively hard to lead to the operation, and the testing result is accurate inadequately, do not in time cool down reinforcing bar bending part when specifically having the clod wash to detect, the temperature of reinforcing bar is too high, cause the testing result error that obtains to appear, and a simple and easy equipment is under general condition, only can correspond and detect a performance, if need detect multiple performance and just need carry different equipment, reduced detection efficiency when having increased work load.
To some defects of the existing equipment that above proposed, provided a tensile strength and cold bending performance check out test set of minor diameter reinforcing bar, had tensile strength and the cold bending performance that can detect the reinforcing bar, portable carries out water-cooling and has effects such as sewage recovery to the cold bending reinforcing bar, and effectual some equipment of having solved can't carry out multiple performance detection, and the too big use of volume is inconvenient, and the detection accuracy is not high scheduling problem does benefit to engineering detection personnel to carry out the witnessed inspections.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides equipment for detecting the tensile strength and the cold bending performance of a small-diameter steel bar, which has the advantages of compact structure, portability, capability of detecting various performances, water cooling and water recycling functions, high detection accuracy and the like, and solves the problems of overlarge volume, low detection accuracy and single detection function of some conventional equipment.
(II) technical scheme
In order to realize the purposes of compact structure, convenient carrying, capability of carrying out detection of various performances, water cooling and water recovery functions and high detection accuracy, the invention provides the following technical scheme: the utility model provides a tensile strength and cold-bending property check out test set of minor diameter reinforcing bar, includes the organism, its characterized in that: a supporting plate is fixedly connected inside the machine body, a clamp is movably connected at the top of the supporting plate, a butterfly screw is arranged at the top of the clamp, a clamping ring is fixedly connected at the right side surface of the clamp, a sliding block is fixedly connected at the bottom of the clamp, a distance measuring plate is fixedly connected at the top of the supporting plate, a threaded rod is rotatably connected inside the supporting plate, a stop block is movably sleeved at the outer side of the threaded rod, a bearing seat is fixedly connected at the bottom of the supporting plate, a water recovery box is arranged inside the bearing seat, a recovery pipeline is fixedly connected at the top of the water recovery box, a filtering layer is fixedly connected inside the water recovery box, a water supply box is fixedly connected at the right side of the bearing seat and below the supporting plate, a water outlet pipe is fixedly connected inside the water supply box, a spray head, the front end fixedly connected with of base extends to the inside connecting block of organism, and the front end fixedly connected with telescopic link of connecting block, the front end of telescopic link are surely connected with and are pushed away the head, the inside fixedly connected with controlling means of install bin, and the bottom of organism is provided with the pulley.
Preferably, through holes are formed in the left side wall and the right side wall of the machine body and used for placing the steel bars to be tested.
Preferably, the supporting plate is provided with water leakage holes, so that used water can enter the recovery pipeline conveniently.
Preferably, the supporting plate is provided with a sliding groove matched with the sliding block, so that the sliding block can move left and right in the supporting plate.
Preferably, a water inlet pipe is fixedly connected between the water recovery tank and the water supply tank, so that water in the water recovery tank enters the water supply tank again.
Preferably, an automatic locking device is arranged between the threaded rod and the stop block, so that the stop block cannot move after being set at a certain position.
Preferably, a bearing is arranged at the joint of the top cover and the side plate of the machine body, so that the top cover can be opened.
Preferably, the hose is made of a plastic material, so that the hose can move within a certain range.
Preferably, the front plate of the machine body is provided with an adjusting turntable of a threaded rod, and the position of the stop block can be adjusted.
Preferably, a push rod is installed on one side, close to the outside of the machine body, of the sliding block, so that the hydraulic cylinder can drive the clamp to move through the push rod and the sliding block.
Preferably, the surface of the distance measuring plate is marked with scale marks which are used as reference standards for adjusting the stop block.
(III) advantageous effects
Compared with the prior art, the invention provides equipment for detecting the tensile strength and the cold bending property of the small-diameter steel bar, which has the following beneficial effects:
1. this tensile strength and cold-formed bending performance check out test set of minor diameter reinforcing bar, pass through the backup pad, anchor clamps, the slider, the push rod, the cooperation of controlling means and pneumatic cylinder is used, drive under the pneumatic cylinder, control device controls the removal, pneumatic cylinder power is set for to controlling means, stretch to the reinforcing bar, data calculation among the controlling means obtains tensile strength when according to breaking, rethread telescopic link, the pushing head, the threaded rod, the cooperation of dog and range finding board is used, but the cold-formed bending of carrying out steerable angle of the reinforcing bar of centre gripping, the effect that has the different performance of detection reinforcing bar, the cost is saved has been reached, work efficiency's purpose is improved.
2. This tensile strength and cold-formed performance check out test set of minor diameter reinforcing bar uses through the cooperation of feed water tank, outlet pipe, hose and shower nozzle, when carrying out the cold-formed to the reinforcing bar, and the water in the feed water tank passes through the outlet pipe, the hose is followed the shower nozzle blowout, because the hose uses plastic material, can be according to the water spray direction of the change adjustment shower nozzle of reinforcing bar bending position, has good cooling effect and convenient operation, has reached the degree of accuracy that improves reinforcing bar cold-formed performance detection time measuring.
3. This tensile strength and clod wash performance check out test set of minor diameter reinforcing bar, through the recovery pipeline, the water recycling bin, the filter layer, the cooperation of hole and inlet tube that leaks is used, when the reinforcing bar clod wash, shower nozzle spun rivers get into the hole that leaks, get into the water recycling bin through the recovery pipeline, the filter layer in the recovery bin filters the back with water, open the inlet tube and pour into the feed tank into water again, have the effect of recycling the cooling water back, reached water conservation environmental protection and saved cost's purpose.
4. This tensile strength and cold-bending performance check out test set of minor diameter reinforcing bar through using backup pad, bearing seat and install bin as the main part, can install all the other members in the main part, fixes equipment inside the box through the organism simultaneously, and the top cap of organism can be opened or close through the bearing, and the pulley is installed to the bottom of organism, has the compact structure that makes equipment, not fragile effect when transportation and removal, reaches compact structure, the volume is littleer and portable's purpose.
Drawings
FIG. 1 is a schematic view of a right side cut-away structure of the present invention;
FIG. 2 is a front sectional view of the present invention;
FIG. 3 is a schematic top view of the cover-removed structure of the present invention.
In the figure: 1-machine body, 2-supporting plate, 3-clamp, 4-butterfly screw, 5-clamping ring, 6-slide block, 7-distance measuring plate, 8-threaded rod, 9-stop block, 10-bearing seat, 11-water recovery tank, 12-recovery pipeline, 13-filter layer, 14-water supply tank, 15-water outlet pipe, 16-hose, 17-spray head, 18-installation tank, 19-base, 20-connecting block, 21-telescopic rod, 22-push head, 23-control device, 24-pulley, 25-through hole, 26-water leakage hole, 27-water inlet pipe, 28-bearing, 29-adjusting turntable, and 30-push rod.
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. 1-3, a device for detecting tensile strength and cold bending property of a small-diameter steel bar comprises a machine body 1, a supporting plate 2 is fixedly connected inside the machine body 1, a clamp 3 is movably connected on the top of the supporting plate 2, a butterfly screw 4 is arranged on the top of the clamp 3, a clamping ring 5 is fixedly connected on the right side surface of the clamp 3, a sliding block 6 is fixedly connected on the bottom of the clamp 3, one side of the sliding block 6, which is close to the outside of the machine body 1, is movably connected with a hydraulic cylinder through a push rod 30, so that the hydraulic cylinder can drive the clamp 3 to move through the push rod 30 and the sliding block 6, a sliding groove matched with the sliding block 6 is formed in the supporting plate 2, so that the sliding block 6 can move left and right inside the supporting plate 2 to drive the clamp 3 to move, so as to stretch or fix the steel bar, a distance measuring plate 7, when the steel bar is cold-bent, the position of the stop block 9 is adjusted according to the scale mark, the cold-bent angle of the steel bar can be determined according to the requirement, a groove for the stop block 9 to pass through is arranged in the middle of the distance measuring plate 7, the adjustment of the stop block 9 is convenient, the threaded rod 8 is rotatably connected in the support plate 2, the stop block 9 is movably sleeved on the outer side of the threaded rod 8, the adjusting turntable 29 of the threaded rod 8 is arranged on the front plate of the machine body 1, the position of the stop block 9 can be adjusted by rotating the adjusting turntable 9, the automatic locking device is arranged between the threaded rod 8 and the stop block 9, the stop block 9 can not move after being set to the position, the cold-bent limit effect on the steel bar is achieved, the bearing seat 10 is fixedly connected at the bottom of the support plate 2, the water recovery box 11 is arranged in the bearing seat 10, the top of the water recovery box 11 is fixedly connected with a recovery pipeline 12, the filter layer 13 is fixedly, the inside of the water supply tank 14 is fixedly connected with a water outlet pipe 15, the water outlet pipe 15 is fixedly connected with a spray head 17 through a hose 16, the hose 16 is made of plastic materials, the hose 16 can move in a certain range, the water spraying direction can be adjusted at any time according to the change of the bending of the reinforcing steel bar, the other end of the water outlet pipe 15 is connected with a water pump, a water inlet pipe 27 is fixedly connected between the water recovery tank 11 and the water supply tank 14 and is controlled by an electromagnetic valve, so that the water in the water recovery tank 11 enters the water supply tank 14 again, the upper surface of the supporting plate 2 is provided with a water leakage hole 26, the water sprayed by the spray head 17 when in use enters the recovery pipeline 12 through the water leakage hole 26 and then enters the water recovery tank 11 for recovery and reuse, the back of the machine body 1 is fixedly connected with a mounting tank 18, the inner wall of the mounting tank, base 19's right side fixedly connected with extends to organism 1 inside connecting block 20, connecting block 20's right side fixedly connected with telescopic link 21, telescopic link 21's right-hand member fixedly connected with cuts somebody's hair 22, the inside fixedly connected with controlling means 23 of install bin 18, power devices's such as pneumatic cylinder output can be adjusted, and carry out data analysis, organism 1's bottom fixedly connected with pulley 24, the same through-hole 25 of diameter has been seted up to the symmetry on organism 1's the left and right sides wall, be used for putting into the reinforcing bar that awaits measuring, be connected through bearing 28 between organism 1's top cap and the curb plate, make the top cap open or close.
The working principle is as follows: in the initial state, the cover plate is closed, all structures are positioned in the machine body 1, the dust prevention is facilitated, the scratch prevention is realized, during the work, the top cover is opened, the power supply is switched on, the steel bar to be tested penetrates through the box wall of the machine body 1 through the through hole 25 and is placed into the clamp 3, the hydraulic cylinder is controlled to work, the slide block 6 is driven through the push rod 30, the clamp 3 is driven by the slide block 6 to move along the groove formed in the support plate 2, the butterfly screw 4 is screwed, the steel bar is locked on the clamp 3, if the tensile strength of the steel bar needs to be tested, the output power of the hydraulic cylinder is adjusted through the control device 23, the clamp 3 is driven to move towards two sides, the steel bar to be tested is stretched, the tensile strength is calculated according to the display data of the control device 23 after the steel bar is pulled off, if the cold bending performance, when the steel bar is cold-bent, the cold-bending angle is generally selected, the threaded rod 8 is rotated by rotating the adjusting turntable 29, the threaded rod 8 drives the stop block 9 to move, the stop block 9 is automatically locked after moving the stop block 9 to a proper scale according to the required cold-bending angle and the scale marks on the distance measuring plate 7, the driving device connected with the base 19 is started again, the telescopic rod 21 is extended, the steel bar is cold-bent by using the push head 22, the cold-bending is stopped when the bent top of the steel bar touches the stop block 9, the water pump is started in the cold-bending process of the steel bar, water in the water supply tank 14 passes through the water outlet pipe 15 and the hose 16 and then is sprayed out by the spray head 17, the shape of the hose is changed according to the position of the steel bar, the water spraying position of the spray head 17 is adjusted, the used water enters the recovery pipeline 12 through the water leakage hole 26, enters the water recovery tank 11 through the filter layer, the water in the water recovery tank 11 is poured into the water supply tank 14, and the water is recovered and reused.
In conclusion, this tensile strength and cold-bending performance check out test set of minor diameter reinforcing bar, through backup pad 2, anchor clamps 3, slider 6, push rod 30, the cooperation of controlling means 23 and pneumatic cylinder is used, under the pneumatic cylinder drive, anchor clamps can remove about, controlling means 23 sets for the pneumatic cylinder power, stretch the reinforcing bar, data calculation in controlling means 23 obtains tensile strength when according to the snapping, rethread telescopic link 21, push head 22, threaded rod 8, dog 9 and range finding board 7's cooperation is used, can be to the cold-bending of carrying out steerable angle of the reinforcing bar that the clamp is good, have the effect that detects the reinforcing bar different performance, reached saving cost, improve work efficiency's purpose. This tensile strength and the cold-formed performance check out test set of minor diameter reinforcing bar, through feed water tank 14, outlet pipe 15, the cooperation of hose 16 and shower nozzle 17 is used, when carrying out the cold-formed to the reinforcing bar, water in the feed water tank 14 passes through outlet pipe 15, hose 16 is from shower nozzle 17 blowout, because hose 16 uses plastic material, can adjust the water spray direction of shower nozzle 17 according to the change of reinforcing bar bending position, good cooling effect has and convenient operation, the degree of accuracy when having reached improvement reinforcing bar cold-formed performance detection time. This tensile strength and clod wash performance check out test set of minor diameter reinforcing bar, through recovery pipeline 12, water recovery box 11, the filter layer 13, the cooperation of hole 26 and inlet tube 27 that leaks is used, when the reinforcing bar clod wash, 17 spun rivers of shower nozzle get into hole 26 that leaks, get into water recovery box 11 through recovery pipeline 12, filter layer 13 in the recovery box 11 filters the back with water, open inlet tube 27 and reinject into the supply tank with water, the effect of recycling after having the cooling water recovery, the purpose of water conservation environmental protection and saving cost has been reached. This tensile strength and cold-bending performance check out test set of minor diameter reinforcing bar, through using backup pad 2, bearing seat 13 and install bin 18 as the main part, can install all the other members in the main part, fix equipment inside the box through organism 1 simultaneously, the top cap of organism 1 can be opened or close through bearing 28, pulley (24) are installed to the bottom of organism (1), compact structure that has messenger's equipment, not fragile effect during transportation and removal, reach compact structure, the volume is littleer and portable's purpose.
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 (10)
1. The utility model provides a tensile strength and cold-bending property check out test set of minor diameter reinforcing bar, includes organism (1), its characterized in that: the machine body (1) is fixedly connected with a supporting plate (2) inside, the top of the supporting plate (2) is movably connected with a clamp (3), the top of the clamp (3) is provided with a butterfly screw (4), the right side surface of the clamp (3) is fixedly connected with a clamping ring (5), the bottom of the clamp (3) is fixedly connected with a sliding block (6), the top of the supporting plate (2) is fixedly connected with a distance measuring plate (7), the inside of the supporting plate (2) is rotatably connected with a threaded rod (8), the outer side of the threaded rod (8) is movably sleeved with a stop block (9), the bottom of the supporting plate (2) is fixedly connected with a bearing seat (10), the inside of the bearing seat (10) is provided with a water recovery tank (11), the top of the water recovery tank (11) is fixedly connected with a recovery pipeline (12), the inside of the water recovery tank (11) is fixedly connected with a filtering layer (13), the right, inside fixedly connected with outlet pipe (15) of feed water tank (14), the hose (16) fixedly connected with shower nozzle (17) that passes through of outlet pipe (15), back fixedly connected with install bin (18) of organism (1), inner wall fixedly connected with base (19) of install bin (18), the front end fixedly connected with of base (19) extends to inside connecting block (20) of organism (1), the front end fixedly connected with telescopic link (21) of connecting block (20), the front end fixedly connected with of telescopic link (21) pushes away head (22), inside fixedly connected with controlling means (23) of install bin (18), the bottom of organism (1) is provided with pulley (24).
2. The apparatus for testing the tensile strength and cold bending property of a small-diameter steel bar according to claim 1, wherein: through holes (25) are formed in the left side wall and the right side wall of the machine body (1).
3. The apparatus for testing the tensile strength and cold bending property of a small-diameter steel bar according to claim 1, wherein: and water leakage holes (26) are formed in the supporting plate (2).
4. The apparatus for testing the tensile strength and cold bending property of a small-diameter steel bar according to claim 1, wherein: the supporting plate (2) is provided with a sliding groove matched with the sliding block (6).
5. The apparatus for testing the tensile strength and cold bending property of a small-diameter steel bar according to claim 1, wherein: a water inlet pipe (27) is fixedly connected between the water recovery tank (11) and the water supply tank (14).
6. The apparatus for testing the tensile strength and cold bending property of a small-diameter steel bar according to claim 1, wherein: and an automatic locking device is arranged between the threaded rod (8) and the stop block (9).
7. The apparatus for testing the tensile strength and cold bending property of a small-diameter steel bar according to claim 1, wherein: and a bearing (28) is arranged at the joint of the top cover and the side plate of the machine body (1).
8. The apparatus for testing the tensile strength and cold bending property of a small-diameter steel bar according to claim 1, wherein: the front plate of the machine body (1) is provided with an adjusting turntable (29) corresponding to the threaded rod (8).
9. The apparatus for testing the tensile strength and cold bending property of a small-diameter steel bar according to claim 1, wherein: and a push rod (30) is arranged on one side of the sliding block (6) close to the outer part of the machine body.
10. The apparatus for testing the tensile strength and cold bending property of a small-diameter steel bar according to claim 1, wherein: the surface of the distance measuring plate (7) is marked with scale marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911067022.9A CN110715856A (en) | 2019-11-04 | 2019-11-04 | Equipment for detecting tensile strength and cold bending performance of small-diameter steel bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911067022.9A CN110715856A (en) | 2019-11-04 | 2019-11-04 | Equipment for detecting tensile strength and cold bending performance of small-diameter steel bar |
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| Publication Number | Publication Date |
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| CN110715856A true CN110715856A (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911067022.9A Withdrawn CN110715856A (en) | 2019-11-04 | 2019-11-04 | Equipment for detecting tensile strength and cold bending performance of small-diameter steel bar |
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| CN (1) | CN110715856A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855413A (en) * | 2020-08-11 | 2020-10-30 | 上海交通大学 | Tensile-bending coupling strength test system for composite material fan blade root element grade test sample |
-
2019
- 2019-11-04 CN CN201911067022.9A patent/CN110715856A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855413A (en) * | 2020-08-11 | 2020-10-30 | 上海交通大学 | Tensile-bending coupling strength test system for composite material fan blade root element grade test sample |
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Application publication date: 20200121 |
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