CN114252349A - Glass fiber reinforced plastic fiber profile strength detection device - Google Patents
Glass fiber reinforced plastic fiber profile strength detection device Download PDFInfo
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- CN114252349A CN114252349A CN202210187102.3A CN202210187102A CN114252349A CN 114252349 A CN114252349 A CN 114252349A CN 202210187102 A CN202210187102 A CN 202210187102A CN 114252349 A CN114252349 A CN 114252349A
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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
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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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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- 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
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
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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
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2873—Cutting or cleaving
Abstract
The invention discloses a device for detecting the strength of a glass fiber reinforced plastic sectional material, which comprises a machine body, wherein a test cavity and a driving cavity are arranged in the machine body, an outward through inlet and outlet groove is respectively arranged in each of the left side surface and the right side surface of the test cavity, a communicating groove which is communicated with the test cavity downwards is respectively arranged in each of the left side surface and the right side surface of the driving cavity, and a bearing plate is connected in the driving cavity in a vertically sliding manner; the invention can test the impact strength or the bending strength of the glass fiber reinforced plastic through one detection block, thereby increasing the reliability of the test result; the glass fiber reinforced plastic can be broken in an impact test or a bending strength test, so that the invention can continuously test the tensile property, the compressive property and the wear resistance of the broken glass fiber reinforced plastic, and reduces the test materials.
Description
Technical Field
The invention relates to the technical field of testing, in particular to a device for detecting the strength of a glass fiber reinforced plastic fiber profile.
Background
Glass Fiber Reinforced Plastic (GFRP) is a fiber reinforced plastic, which is a reinforced plastic made of unsaturated polyester, epoxy resin and phenolic resin matrix reinforced by glass fiber, glass fiber or its product as reinforcing material, and is called glass Fiber Reinforced Plastic (FRP), or glass Fiber Reinforced Plastic (FRP), and is different from toughened glass.
Glass steel need carry out quality control in process of production, and the flow of glass steel quality control is generally comparatively loaded down with trivial details at present, and one kind of data in glass steel strength test need a special equipment promptly to detect, and this kind of detection flow has prolonged to detect consuming time, and if will carry out multinomial test to glass steel, then need consume a large amount of glass steel, and frequent selective examination can produce the burden to the enterprise.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a device for detecting the strength of a glass fiber reinforced plastic fiber section.
The invention provides a device for detecting the strength of a glass fiber reinforced plastic profile, which comprises a machine body, wherein a test cavity and a drive cavity are arranged in the machine body, an outward through inlet and outlet groove is respectively arranged in each of the left side surface and the right side surface of the test cavity, a communicating groove communicated with the test cavity downwards is respectively arranged in each of the left side surface and the right side surface of the drive cavity, a bearing plate is connected in the drive cavity in a vertical sliding manner, extension plates extending into the two communicating grooves are fixedly arranged on the lower side surface of the bearing plate respectively, a saw blade is connected to the lower side surface of each extension plate through a connecting mechanism, a lower groove is arranged in the lower side surface of the drive cavity, a lifting motor is fixedly arranged on the upper side surface of the machine body, a first threaded shaft extending into the lower groove after penetrating through the drive cavity is arranged on the lower side surface of the lifting motor, and the first threaded shaft is in threaded connection with the bearing plate, the upper side of the test chamber is internally provided with an upper groove communicated with the lower groove, the upper groove is internally provided with a detection block, the detection block is internally provided with a test groove with a downward opening, the test groove is internally provided with a butt block, the upper side of the test groove is fixedly provided with a pressure sensor contacted with the butt block, the upper groove is internally provided with a pressure mechanism capable of driving the detection block to move, the lower side of the test chamber is fixedly provided with two clamping blocks, the clamping blocks are positioned at the left side of the upper groove, the upper side of the clamping blocks is internally provided with two rectangular grooves, the upper sides of the clamping blocks are provided with special-shaped plates extending into the two rectangular grooves, the lower sides of the special-shaped plates are connected with the lower sides of the rectangular grooves through a spring, the lower sides of the rectangular grooves are provided with an electromagnet, and the right side of the inlet and outlet groove at the right side is connected with a sliding plate in a left-right sliding manner, the slide can move to in the test cavity, the slide internal rotation is connected with and extends to the cooperation axle of slide left and right sides, just the left end of cooperation axle is equipped with the friction plate admittedly, be equipped with in the test cavity and drive two the grip block with the slide side-to-side motion, and drive friction plate pivoted actuating mechanism.
Preferably, coupling mechanism is including locating the backup pad of extension board downside, it is connected with driven shaft to rotate on the side of backup pad, the saw bit is fixed in on the driven shaft, just be equipped with the ratchet on the driven shaft, respectively be equipped with a rack on the side about the test chamber, be equipped with on the ratchet with No. three gears of rack toothing.
Preferably, the pressure mechanism is including locating detect the threaded concave surface in the piece right flank, the side horizontal sliding connection that goes up the groove has the movable block, just the downside internal rotation of movable block be connected with can with concave surface threaded connection's No. two threaded shafts, the movable block through No. two spring coupling in the right flank of going up the groove, just be equipped with the electro-magnet No. two on the right flank of going up the groove, be equipped with pressure motor in the side of going up the groove, the drive shaft is installed to pressure motor's downside, be equipped with a gear in the drive shaft, just No. two epaxial gears that are equipped with of thread, the side of going up the groove is equipped with the electro-magnet No. three.
Preferably, the pressure mechanism is still including locating take-up reel on the screw shaft lateral surface, around being equipped with the coil of wire in the take-up reel, the leading flank internal rotation of going up the groove is connected with accepts the axle, the coil of wire in accept the side of going up of axle, and the end of coil of wire is fixed in detect the side of going up of piece, be equipped with the draw-in groove in detecting the left side of piece, just be equipped with the pop-up groove in going up the left side of groove, the left side of pop-up groove has the fixture block through No. three spring coupling, just be equipped with No. four electro-magnets in the left side of pop-up groove.
Preferably, actuating mechanism is including locating test motor on the downside of test cavity, special system axle is installed to test motor's right flank, specially epaxial three-section screw thread that is equipped with, the grip block with the right flank of slide has a threading board through No. four spring coupling respectively, and is three the threading board respectively with specially epaxial three-section screw thread threaded connection.
Preferably, the driving mechanism further comprises a matching groove arranged in the right side face of the matching shaft, a mounting block is arranged on the right side face of the access groove, an embedded shaft is rotatably connected in the mounting block, and a sliding block extending into the matching groove is fixedly arranged at the left end of the embedded shaft and is connected with the special shaft through a gear set.
Preferably, be equipped with a fixed block and a motion piece on the downside of test chamber, the motion piece through No. five spring coupling in the trailing flank of test chamber, just be equipped with No. five electromagnets on the trailing flank of test chamber.
Preferably, one of the clamping blocks is provided with a first distance sensor, and the rear side surface of the test cavity is provided with a second distance sensor.
The invention provides a glass fiber reinforced plastic fiber profile strength detection device, which has the following beneficial effects:
the invention can shear the glass fiber reinforced plastic to intercept small sections of the glass fiber reinforced plastic for testing, thereby increasing the convenience of testing, and the shearing action can flatten the left and right sections of the glass fiber reinforced plastic for testing, thereby reducing the error of the subsequent wear resistance test;
the invention can test the impact strength or the bending strength of the glass fiber reinforced plastic through one detection block, thereby increasing the reliability of the test result;
the glass fiber reinforced plastic can be broken in an impact test or a bending strength test, so that the invention can continuously test the tensile property, the compressive property and the wear resistance of the broken glass fiber reinforced plastic, and reduces the test materials.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 at the friction plate;
FIG. 3 is a schematic view of the structure at the clamping block of FIG. 1;
FIG. 4 is a schematic view of the structure A-A of FIG. 3;
FIG. 5 is a schematic top view of the fixture block of FIG. 1;
FIG. 6 is a schematic view of the structure at the upper trough of FIG. 1;
FIG. 7 is a schematic diagram of the structure of the detection block in FIG. 6;
FIG. 8 is a schematic view of the connection mechanism of FIG. 1;
in the figure:
11. a body; 12. a test chamber; 13. a drive chamber; 14. a communicating groove; 15. a carrier plate; 16. an extension plate; 17. a saw blade; 18. a lower groove; 19. a connecting mechanism; 20. a lifting motor; 21. a first threaded shaft; 22. an upper groove; 23. a detection block; 24. a test slot; 25. a butting block; 26. a pressure sensor; 27. a pressure mechanism; 28. a concave surface; 29. a movable block; 30. a second threaded shaft; 31. a second electromagnet; 32. a pressure motor; 33. a drive shaft; 34. a second gear; 35. a take-up reel; 36. a bearing shaft; 37. coiling the wire; 38. a card slot; 39. a pop-up slot; 40. a clamping block; 41. a fourth electromagnet; 44. a support plate; 45. a driven shaft; 46. a rack; 47. a ratchet wheel; 48. a third gear; 49. a clamping block; 50. a rectangular groove; 51. a profiled plate; 52. an electromagnet; 53. a slide plate; 54. a friction plate; 55. a drive mechanism; 56. testing the motor; 57. specially manufacturing a shaft; 58. a thread plate; 60. a mating shaft; 61. a mating groove; 62. mounting blocks; 63. an embedded shaft; 64. a gear set; 65. a fixed block; 66. a motion block; 67. a fifth electromagnet; 68. a slot is arranged in and out; 69. a third electromagnet; 70. a first distance sensor; 71. and a second distance sensor.
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 to 8, a device for detecting strength of a glass fiber reinforced plastic profile according to an embodiment of the present invention includes a machine body 11, a testing chamber 12 and a driving chamber 13 are disposed in the machine body 11, an outward through in-out groove 68 is disposed in each of left and right sides of the testing chamber 12, a communicating groove 14 downwardly communicating with the testing chamber 12 is disposed in each of left and right sides of the driving chamber 13, a bearing plate 15 is slidably connected to the driving chamber 13 up and down, extension plates 16 respectively extending into the two communicating grooves 14 are fixedly disposed on a lower side of the bearing plate 15, a saw blade 17 is connected to a lower side of the extension plate 16 through a connecting mechanism 19, a lower groove 18 is disposed in a lower side of the driving chamber 13, a lifting motor 20 is fixedly disposed on an upper side of the machine body 11, and a first threaded shaft 21 extending into the lower groove 18 after penetrating through the driving chamber 13 is mounted on a lower side of the lifting motor 20, the first threaded shaft 21 is in threaded connection with the bearing plate 15, an upper groove 22 communicated with the lower groove 18 is formed in the upper side face of the test cavity 12, a detection block 23 is arranged in the upper groove 22, a test groove 24 with a downward opening is formed in the detection block 23, a butt block 25 is arranged in the test groove 24, a pressure sensor 26 in contact with the butt block 25 is fixedly arranged on the upper side face of the test groove 24, a pressure mechanism 27 capable of driving the detection block 23 to move is arranged in the upper groove 22, two clamping blocks 49 are fixedly arranged on the lower side face of the test cavity 12, the clamping blocks 49 are located on the left side of the upper groove 22, two rectangular grooves 50 are formed in the upper side face of each clamping block 49, special-shaped plates 51 extending into the two rectangular grooves 50 are arranged on the upper side faces of the clamping blocks 49, and the lower side faces of the special-shaped plates 51 are connected to the lower side faces of the rectangular grooves 50 through a spring, just be equipped with electro-magnet 52 No. one on the downside of rectangular channel 50, the right side it has slide 53 to go into sliding connection from side to side on the 68 downside of groove, slide 53 can move extremely in the test chamber 12, slide 53 internal rotation is connected with and extends to the cooperation axle 60 of the slide 53 left and right sides, just the left end of cooperation axle 60 is equipped with friction plate 54 admittedly, be equipped with in the test chamber 12 and drive two grip block 49 with slide 53 side to side movement, and drive friction plate 54 pivoted actuating mechanism 55.
In a preferred embodiment, the connecting mechanism 19 includes a support plate 44 provided on the lower side of the extension plate 16, a driven shaft 45 is rotatably connected to a side surface of the support plate 44, the saw blade 17 is fixed to the driven shaft 45, a ratchet wheel 47 is arranged on the driven shaft 45, a rack 46 is respectively arranged on the left side surface and the right side surface of the test cavity 12, a third gear 48 meshed with the rack 46 is arranged on the ratchet wheel 47, when the carrying plate 15 moves downward, the extension plate 16 and the supporting plate 44 are driven to move downward, and the third gear 48 is driven by the rack 46 to rotate, and the third gear 48 can drive the driven shaft 45 and the saw blade 17 to rotate through the ratchet wheel 47, when the bearing plate 15 moves upward, the third gear 48 is not rotated by the ratchet wheel 47 to rotate the driven shaft 45.
In a preferred embodiment, the pressure mechanism 27 includes a concave surface 28 with threads arranged in the right side surface of the detection block 23, the upper side surface of the upper groove 22 is connected with a movable block 29 in a left-right sliding manner, a second threaded shaft 30 capable of being in threaded connection with the concave surface 28 is connected in the lower side surface of the movable block 29 in a rotating manner, the movable block 29 is connected to the right side surface of the upper groove 22 through a second spring, a second electromagnet 31 is arranged on the right side surface of the upper groove 22, a pressure motor 32 is arranged in the upper side surface of the upper groove 22, a driving shaft 33 is installed on the lower side surface of the pressure motor 32, a first gear is arranged on the driving shaft 33, a second gear 34 is arranged on the second threaded shaft 30, a third electromagnet 69 is arranged on the upper side surface of the upper groove 22, when the second electromagnet 31 is in a power-off state, the movable block 29 is located at the left limit under the elastic force of the second spring, at this time, the second threaded shaft 30 is meshed with the concave surface 28, and at this time, the first gear is meshed with the second gear 34, in this process, the second threaded shaft 30 can support the detection block 23 and prevent the detection block 23 from falling down, if the driving shaft 33 rotates at this time, the rotation of the driving shaft 33 enables the second threaded shaft 30 to rotate through the meshing of the first gear and the second gear 34, and the rotation of the second threaded shaft 30 drives the detection block 23 in threaded connection therewith to move up and down.
In a preferred embodiment, the pressure mechanism 27 further includes a winding roll 35 disposed on an outer side surface of the first threaded shaft 21, a coil 37 is wound in the winding roll 35, a receiving shaft 36 is rotatably connected to a front side surface of the upper groove 22, the coil 37 is wound on an upper side surface of the receiving shaft 36, a terminal end of the coil 37 is fixed to an upper side surface of the detecting block 23, a latching groove 38 is disposed in a left side surface of the detecting block 23, an ejecting groove 39 is disposed in a left side surface of the upper groove 22, a latching block 40 is connected to the left side surface of the ejecting groove 39 through a third spring, a fourth electromagnet 41 is disposed in the left side surface of the ejecting groove 39, the latching block 40 is completely disposed in the ejecting groove 39 when the fourth electromagnet 41 is in a power-off state, the coil 37 is in a relaxed state when the carrier plate 15 is at an upper limit, and the coil 37 does not affect the up-down movement of the detecting block 23, when the first threaded shaft 21 rotates positively, the bearing plate 15 is driven to move downwards, and when the bearing plate 15 moves to the lower limit, the coil 37 is in a tightened state, at this time, the detection block 23 is pulled by the coil 37 and is located at the upper limit, and when the detection block 23 is located at the upper limit, the position of the clamping groove 38 corresponds to that of the clamping block 40.
In a preferred embodiment, the drive mechanism 55 comprises a test motor 56 provided on the underside of the test chamber 12, a specially-made shaft 57 is arranged on the right side surface of the test motor 56, three sections of threads are arranged on the specially-made shaft 57, the right side surfaces of the clamping block 49 and the sliding plate 53 are respectively connected with a thread plate 58 through a four-number spring, the three thread plates 58 are respectively in threaded connection with three sections of threads on the special shaft 57, when the screw plates 58 connected to the two third gears 48 are moved close to each other as the special shaft 57 is rotated forward, the holding blocks 49 tend to move close to each other, and the screw plate 58 connected with the slide plate 53 is moved leftward, at which time the slide plate 53 is moved leftward, when the special shaft 57 rotates reversely, the screws 59 connected to the third gear 48 are moved away from each other, and the screw plate 58 connected to the slide plate 53 is moved rightward.
In a preferred embodiment, the driving mechanism 55 further includes a fitting groove 61 disposed in a right side surface of the fitting shaft 60, a mounting block 62 is disposed on a side surface of the right access groove 68, an insertion shaft 63 is rotatably connected to the mounting block 62, a slider extending into the fitting groove 61 is fixedly disposed at a left end of the insertion shaft 63 and is connected to the special shaft 57 through a gear set 64, when the special shaft 57 rotates, the insertion shaft 63 is driven to rotate through the gear set 64, when the insertion shaft 63 rotates, the fitting shaft 60 and the friction plate 54 are driven to rotate through the slider, and if the sliding plate 53 moves left and right in the process, the slider slides left and right in the fitting groove 61, and the friction plate 54 keeps a rotating state.
In a preferred embodiment, a fixed block 65 and a moving block 66 are arranged on the lower side surface of the test chamber 12, the moving block 66 is connected to the rear side surface of the test chamber 12 through a five-spring, and a five-electromagnet 67 is arranged on the rear side surface of the test chamber 12, and when the five-electromagnet 67 is electrified, the moving block 66 is repelled and is close to the fixed block 65.
In a preferred embodiment, a first distance sensor 70 is arranged on one of the clamping blocks 49, a second distance sensor 71 is arranged on the rear side surface of the test chamber 12, the first distance sensor 70 can detect the distance between the two clamping blocks 49, and the second distance sensor 71 can detect the moving distance of the sliding plate 53.
The invention relates to a glass fiber reinforced plastic fiber section strength detection device, which comprises the following working procedures:
when the glass fiber reinforced plastic profile is detected, the glass fiber reinforced plastic to be detected sequentially penetrates through the two special-shaped plates 51 from left to right and extends to the right side of the inlet and outlet groove 68, then the first electromagnet 52 is electrified, the first electromagnet 52 attracts the special-shaped plates 51 when being electrified, the special-shaped plates 51 are abutted to the glass fiber reinforced plastic and press the glass fiber reinforced plastic on the upper side of the clamping block 49, then the lifting motor 20 is electrified and drives the first threaded shaft 21 to rotate forwards, at the moment, the bearing plate 15, the extension plate 16 and the saw blade 17 move downwards, in the process, the saw blade 17 rotates and cuts the glass fiber reinforced plastic, when the bearing plate 15 moves to the lower limit, the first threaded shaft 21 rotates backwards until the bearing plate 15 resets to the upper limit, and at the moment, the glass fiber reinforced plastic cutting surface in the testing cavity 12 is flat.
If the bending strength test is to be performed, the pressure motor 32 is powered on and the second threaded shaft 30 is rotated, the detection block 23 moves downwards, the detection block 23 abuts against the glass fiber reinforced plastic in the test cavity 12 in the downward movement process, the abutting block 25 is in contact with the glass fiber reinforced plastic, the pressure sensor 26 can sense the pressure applied to the glass fiber reinforced plastic, when the pressure applied to the pressure sensor 26 reaches a threshold value, the glass fiber reinforced plastic in the test cavity 12 still has no crack, or when the distance of the detection block 23 descending is short, the bending strength test of the glass fiber reinforced plastic is qualified, when the distance of the detection block 23 descending is short, the deformation amount of the glass fiber reinforced plastic is small, and then the second threaded shaft 30 rotates reversely until the detection block 23 moves to the upper limit.
When the impact strength test is required, the fourth electromagnet 41 and the second electromagnet 31 are electrified, when the fourth electromagnet 41 is electrified, the fourth electromagnet 41 can move into the clamping groove 38 and limit the movement of the detection block 23, when the second electromagnet 31 is electrified, the movable block 29 is attracted and the second threaded shaft 30 is not contacted with the detection block 23 any more, when the third electromagnet 69 is electrified and repels the detection block 23, then the fourth electromagnet 41 is electrified reversely, when the fixture block 40 is attracted and separated from the clamping groove 38, the detection block 23 loses support and impacts the glass fiber reinforced plastic downwards under the action of gravity and the repulsive force of the third electromagnet 69, the maximum pressure received by the pressure sensor 26 is the impact force borne by the glass fiber reinforced plastic, when the first threaded shaft 21 is impacted, the bearing plate 15 moves downwards and the wire coil 37 pulls the detection block 23 to move upwards, when the bearing plate 15 moves to the lower limit, the fourth electromagnet 41 is electrified again, at this moment, the fixture block 40 moves into the fixture groove 38 again, and then the first threaded shaft 21 rotates reversely until the bearing plate 15 moves to the upper limit, at this moment, the coil 37 is released again, and at this moment, the next impact strength test can be carried out.
If the glass fiber reinforced plastic is broken in the impact strength test or the bending strength test, the left half glass fiber reinforced plastic is retained on the upper side of the clamping block 49, the right half glass is abutted against the lower side surface of the test cavity 12 and is positioned between the fixed block 65 and the moving block 66, then if the compression test is to be carried out, the test motor 56 drives the special shaft 57 to rotate forwardly, the five electromagnets 67 are electrified with small power, the moving block 66 is close to the fixed block 65 and does not incline the right half glass fiber reinforced plastic, the right half glass fiber reinforced plastic can still move left and right at the moment, the two threaded plates 58 on the left side of the special shaft 57 rotate forwardly are close to each other, the clamping blocks 49 tend to approach each other, the pressure borne by the glass fiber reinforced plastic in the two clamping blocks 49 is increased along with the increase of the rotation time of the special shaft 57, and the right half glass fiber reinforced plastic is pushed leftwards in the process by the friction plate 54, and the special shaft 57 rotates reversely until reset after a certain time, the first distance sensor 70 can detect the change of the distance between the two clamping blocks 49 in the forward rotation process of the special shaft 57, the change of the distance is the deformation quantity of the glass fiber reinforced plastics which is compressed, if a tensile test is needed, the special shaft 57 rotates reversely for a certain time and then rotates forwards for resetting, and the change of the distance between the clamping blocks 49 in the reverse rotation process of the special shaft 57 is the deformation quantity of the glass fiber reinforced plastics which is stretched.
After the compression test, the abrasion resistance test can be carried out, the first electromagnet 52 is powered off, the clamping block 49 can move freely, the fifth electromagnet 67 is powered on with rated power, the moving block 66 presses and fixes the right half of the glass fiber reinforced plastic, the special shaft 57 rotates forwards and the clamping blocks 49 are close to each other, the time for the special shaft 57 to rotate forwards in the extrusion test is alpha, the time for the special shaft 57 to rotate forwards in the abrasion resistance test is gamma, the rotating friction plate 54 can be in contact with the right side surface of the right half of the glass fiber reinforced plastic when the gamma is equal to the alpha, the rotating friction plate 54 can rub the right half of the glass fiber reinforced plastic when the gamma is greater than the alpha, the distance detected by the second distance sensor 71 can convert the abrasion loss of the glass fiber reinforced plastic in the process when the gamma is greater than the set time, and the right side surface of the glass fiber reinforced plastic is cut flatly in the feeding process, the error of the wear amount is reduced, and then the special shaft 57 is reversely rotated until reset, at which time the wear amount detection is completed.
It should be understood that the above embodiments are merely exemplary, and are not intended to limit the present application. Various modifications and alterations of the above-described embodiments may be made by those skilled in the art in light of the teachings of this application without departing from the scope thereof.
Claims (9)
1. The utility model provides a glass steel fiber section bar intensity detection device, includes organism (11), its characterized in that: be equipped with test chamber (12) and drive chamber (13) in organism (11), respectively be equipped with one in the side of controlling of test chamber (12) and outwards link up business turn over groove (68), be equipped with one in the side of controlling of drive chamber (13) respectively and communicate downwards in the intercommunication groove (14) of test chamber (12), sliding connection has loading board (15) about in drive chamber (13), the downside of loading board (15) has set firmly extension board (16) that extends to two respectively in the intercommunication groove (14), the downside of extension board (16) is connected with saw bit (17) through coupling mechanism (19), be equipped with down groove (18) in the downside of drive chamber (13), the upside of organism (11) has set firmly elevator motor (20), just the downside of elevator motor (20) is installed and is run through extend to behind drive chamber (13) a threaded shaft (21) in the down groove (18), just a threaded shaft (21) with loading board (15) threaded connection, be equipped with in the upside of test chamber (12) with upper groove (22) of lower groove (18) intercommunication, be equipped with in upper groove (22) and detect piece (23), be equipped with opening decurrent test groove (24) in detecting piece (23), be equipped with butt joint piece (25) in test groove (24), just the upside of test groove (24) set firmly with pressure sensor (26) of butt joint piece (25) contact, be equipped with in upper groove (22) and drive the pressure mechanism (27) of detecting piece (23) motion.
2. The strength detection device for the glass fiber reinforced plastic fiber section bar according to claim 1, wherein: the downside of test chamber (12) has set firmly two grip blocks (49), grip block (49) are located the left side of last groove (22), and be equipped with two rectangular channels (50) in the upside of grip block (49), just the upside of grip block (49) is equipped with and extends to two heterotypic board (51) in rectangular channel (50), the downside of heterotypic board (51) through a spring coupling in the downside of rectangular channel (50), just be equipped with an electro-magnet (52) on the downside of rectangular channel (50), right side about sliding connection has slide (53) on advancing groove (68) downside, slide (53) can move to in test chamber (12), slide (53) internal rotation is connected with and extends to cooperation axle (60) of the slide (53) left and right sides, just the left end of cooperation axle (60) is firmly equipped with friction plate (54), and a driving mechanism (55) which can drive the two clamping blocks (49) and the sliding plate (53) to move left and right and drive the friction plate (54) to rotate is arranged in the test cavity (12).
3. The strength detection device for the glass fiber reinforced plastic fiber section bar according to claim 1, wherein: coupling mechanism (19) are including locating backup plate (44) of extension board (16) downside, it is connected with driven shaft (45) to rotate on the side of backup plate (44), saw bit (17) are fixed in on driven shaft (45), just be equipped with ratchet (47) on driven shaft (45), respectively be equipped with one rack (46) on the side of controlling of test chamber (12), be equipped with on ratchet (47) with No. three gear (48) of rack (46) meshing.
4. The strength detection device for the glass fiber reinforced plastic fiber section bar according to claim 1, wherein: the pressure mechanism (27) comprises a concave surface (28) which is arranged on the right side surface of the detection block (23) and is internally provided with threads, the upper side surface of the upper groove (22) is connected with a movable block (29) in a left-right sliding way, and a second threaded shaft (30) which can be in threaded connection with the concave surface (28) is rotationally connected with the lower side surface of the movable block (29), the movable block (29) is connected to the right side surface of the upper groove (22) through a second spring, a second electromagnet (31) is arranged on the right side surface of the upper groove (22), a pressure motor (32) is arranged in the upper side surface of the upper groove (22), a driving shaft (33) is arranged on the lower side surface of the pressure motor (32), a first gear is arranged on the driving shaft (33), and a second gear (34) is arranged on the second threaded shaft (30), and a third electromagnet (69) is arranged on the upper side surface of the upper groove (22).
5. The device for detecting the strength of the glass fiber reinforced plastic fiber section bar according to claim 3, wherein: pressure mechanism (27) are still including locating take-up reel (35) on threaded shaft (21) the lateral surface, take-up reel (37) are equipped with around in take-up reel (35), the leading flank internal rotation of going up groove (22) is connected with accepts axle (36), take-up reel (37) wind in accept the side of going up of axle (36), and the end of take-up reel (37) is fixed in detect the side of going up of piece (23), be equipped with draw-in groove (38) in the left surface of detecting piece (23), just be equipped with ejection groove (39) in the left surface of going up groove (22), the left surface of ejection groove (39) has fixture block (40) through No. three spring coupling, just be equipped with No. four electro-magnet (41) in the left surface of ejection groove (39).
6. The strength detection device for the glass fiber reinforced plastic fiber section bar according to claim 2, wherein: actuating mechanism (55) is including locating test motor (56) on test chamber (12) downside, special system axle (57) is installed to the right flank of test motor (56), be equipped with three-section screw thread on special system axle (57), grip block (49) with the right flank of slide (53) has a threading board (58), three through No. four spring coupling respectively threading board (58) respectively with three-section threaded connection on the special system axle (57).
7. The strength detection device for the glass fiber reinforced plastic fiber section bar according to claim 6, wherein: actuating mechanism (55) still including locating cooperation groove (61) in cooperation axle (60) right flank, the right side be equipped with installation piece (62) on business turn over groove (68) side, installation piece (62) internal rotation is connected with embedding axle (63), the left end of embedding axle (63) is equipped with admittedly and extends to the slider in cooperation groove (61), and through gear train (64) with special axle (57) are connected.
8. The strength detection device for the glass fiber reinforced plastic fiber section bar according to claim 1, wherein: be equipped with a fixed block (65) and a motion piece (66) on the downside of test chamber (12), motion piece (66) through No. five spring coupling in the trailing flank of test chamber (12), just be equipped with No. five electro-magnets (67) on the trailing flank of test chamber (12).
9. The strength detection device for the glass fiber reinforced plastic fiber section bar according to claim 2, wherein: one clamping block (49) is provided with a first distance sensor (70), and the rear side surface of the test cavity (12) is provided with a second distance sensor (71).
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| CN202210187102.3A CN114252349B (en) | 2022-02-28 | 2022-02-28 | Glass fiber reinforced plastic fiber section bar strength detection device |
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| CN114252349B (en) | 2022-05-17 |
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