CN111929146A - A observation device for metal material fatigue crack propagation - Google Patents
A observation device for metal material fatigue crack propagation Download PDFInfo
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- CN111929146A CN111929146A CN202010562386.0A CN202010562386A CN111929146A CN 111929146 A CN111929146 A CN 111929146A CN 202010562386 A CN202010562386 A CN 202010562386A CN 111929146 A CN111929146 A CN 111929146A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The invention discloses an observation device for metal material fatigue crack propagation, relates to the technical field of metal material fatigue observation devices, and solves the problems that the observation device for metal material fatigue crack propagation is inconvenient to automatically clamp parts for detection and cannot adjust the observation height according to requirements. The utility model provides an observation device for metal material fatigue crack growth, includes the base, the inboard swing joint of base has the third lead screw, the upper end slidable mounting of third lead screw has the support shell, the one end fixed mounting of base has the support column, the inboard swing joint of support shell has the second lead screw, the one end fixed mounting of second lead screw has a rotating gear, the upper end slidable mounting of second lead screw has the fixed plate, the equal fixed mounting of lower extreme of fixed plate both sides has the protective housing, the inboard movable mounting of protective housing has the transfer line. The invention can conveniently and automatically clamp the part for detection, can adjust the observation height according to the requirement and is convenient to use.
Description
Technical Field
The invention relates to the technical field of metal material fatigue observation, in particular to an observation device for metal material fatigue crack propagation.
Background
With the rapid development of social economy, metal fatigue refers to the process that materials and components gradually generate local permanent accumulated damage at one or more positions under the action of cyclic stress or cyclic strain, and crack or complete fracture suddenly occurs after a certain number of cycles, when the materials and structures are subjected to repeated load, although the stress value does not exceed the strength limit of the materials all the time, even the stress value is lower than the elastic limit, the materials and structures can be damaged, the damage phenomenon of the materials and structures under the repeated action of alternating load is called metal fatigue damage, the mechanical property of the materials is determined according to static force experiments, the mechanical property does not fully reflect the property of the materials under the action of alternating stress, therefore, parts or structures working under the action of alternating load are designed according to static load if, sudden failures often occur during use.
However, the existing observation device for the fatigue crack propagation of the metal material is inconvenient for automatically clamping parts for detection, and the observation height cannot be adjusted according to the requirement; therefore, the existing requirements are not met, and an observation device for fatigue crack propagation of metal materials is provided for the purpose.
Disclosure of Invention
The invention aims to provide an observation device for metal material fatigue crack propagation, which solves the problems that the observation device for metal material fatigue crack propagation proposed in the background art is inconvenient for automatically clamping a part for detection, cannot adjust the observation height according to requirements and the like.
In order to achieve the purpose, the invention provides the following technical scheme: an observation device for metal material fatigue crack propagation comprises a base, wherein the inner side of the base is movably connected with a third screw rod, the upper end of the third screw rod is slidably provided with a supporting shell, and one end of the base is fixedly provided with a supporting column;
the inner side of the supporting shell is movably connected with a second lead screw, one end of the second lead screw is fixedly provided with a rotating gear, the upper end of the second lead screw is slidably provided with a fixed plate, the lower ends of the two sides of the fixed plate are fixedly provided with a protective shell, the inner side of the protective shell is movably provided with a transmission rod, one side of the transmission rod is fixedly provided with a connecting gear, the outer surface of the other side of the transmission rod is movably connected with a transmission belt, the upper end of the transmission belt is movably connected with a connecting sleeve, the outer surface of the connecting sleeve is movably connected with a fixed block, the inner side of the fixed block is movably connected with an adjusting rod, one side of the adjusting rod is fixedly provided with a clamping plate, one side of the two ends of the clamping plate is fixedly provided with a limiting slide block, the outer surface of one side of one of the pull rods is connected with an adjusting sleeve in a sliding manner, the upper end of one side of one of the pull rods is fixedly provided with a limiting block, and the limiting block is connected with the supporting shell through a limiting groove;
the inner side of the supporting column is movably connected with a first lead screw, one end of the first lead screw is connected with a supporting device in a sliding mode, a transmission gear is fixedly installed on the outer surface of the lower end of the first lead screw, one end of the transmission gear is connected with a rack in a meshed mode, one end of the rack is fixedly installed with a first rack belt, one end of the first rack belt is connected with a transmission box through a rotating shaft, telescopic columns are fixedly installed at the lower ends of the two sides of the transmission box, a pull cable is fixedly installed at the lower end of the inner side of each telescopic column, a limiting block is fixedly installed at one end of the lower end of each pull cable, a threaded rod is movably connected to the inner side of one side;
the inner side of the supporting device is fixedly provided with a wire column, the lower end of one end of the wire column is fixedly provided with a connector, the inner side of one end of the supporting device is fixedly provided with a connecting sleeve, the inner side of the connecting sleeve is connected with an adjusting column through an adjusting spring, the upper end of the adjusting column is fixedly provided with a pull disc, the lower end of the adjusting column is fixedly provided with two steel cables, both sides of the lower end of the connecting sleeve are fixedly provided with supporting shaft columns, one side of each supporting shaft column is fixedly provided with a connecting splint, one end of the connecting splint is fixedly provided with a limiting pulley, the lower end of the supporting shaft column is connected with the adjusting column through a short connecting column, one side of the upper end of the adjusting column is fixedly provided with a connecting block, one side of the adjusting column is fixedly provided with an arc-, the observation column is connected with the arc-shaped clamping block through a limiting groove, and a connecting port is arranged on the upper end face of the observation column.
Preferably, the supporting device comprises a supporting frame, a limiting connecting block and a detection head, the supporting frame is fixedly mounted at one end of the limiting connecting block, and the detection head is fixedly mounted at the lower end of one end of the supporting frame.
Preferably, the telescopic column comprises a connecting shaft sleeve, a supporting shaft rod and a spring, the spring is fixedly mounted on the inner side of the connecting shaft sleeve, and the supporting shaft rod is fixedly mounted at the upper end of the spring.
Preferably, one end of the supporting shell and one side of the third screw rod are fixedly provided with a motor shell, the inner side of the motor shell is fixedly provided with a motor through a screw, and the motor is connected with the second screw rod through a coupler.
Preferably, the limiting slide block passes through the fix with screw with splint, the protective housing passes through the spout with the fixed block and is connected, one side of splint is provided with anti-skidding line, the opposite side of adapter sleeve passes through the bearing and connects the inboard at the fixed block.
Preferably, the spacing groove includes circular slot and bar groove, the surface of circular slot is provided with a plurality of bar groove, the size of a dimension in bar groove is the same with the size of a dimension of stopper completely, the surface of adjusting collar passes through the inboard of bearing joint support shell, the adjusting collar passes through spring coupling with the pull rod.
Preferably, the outer surface of the second rack belt is provided with a connecting rack, the length of the connecting rack is half of the circumference of the second rack belt, and both sides of the support shell are provided with scale bars.
Preferably, one end of the rack is completely attached to one end of the first rack belt, the rack and the first rack belt are fixed through welding, and the upper end of the telescopic column is fixed to the lower end of the transmission case through a screw.
Preferably, the limit connecting block is in threaded connection with the first screw rod, one end of the limit connecting block is fixed to one end of the support frame in a welding mode, and the lower end of one end of the support frame is fixed to the upper end of the detection head through a screw.
Preferably, the connecting shaft sleeve is fixed with the base through a screw, the inner side of the connecting shaft sleeve is completely attached to the lower end of the spring, the inner side of the connecting shaft sleeve is fixed with the spring through welding, the upper end of the spring is fixed to the lower end of the supporting shaft rod through welding, a stay cable is fixed to the center of the lower end of the supporting shaft rod through welding, and the stay cable is connected with the connecting shaft sleeve through a round hole.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the connecting gear is contacted with the second rack belt, the second rack belt is not rotated because the pull rod limits the second rack belt, so that the second rack belt stirs the connecting gear to rotate, the connecting gear drives the transmission rod to rotate, the transmission rod drives the transmission belt to rotate, the transmission belt drives the connecting sleeve to rotate, the connecting sleeve drives the adjusting rod on the inner side to rotate, the connecting sleeve pushes the adjusting rod to move because the adjusting rod is limited by the limiting groove, the adjusting rod pushes the clamping plates, two clamping plates clamp parts, and the device is convenient for automatically clamping the parts;
2. according to the invention, the rack at one end of the first rack belt is contacted with the transmission gear, when the fixed plate is limited to the bottom, the fixed plate cannot move, the second screw rod can continue to rotate, so that the second screw rod drives the rotating gear to rotate, the rotating gear drives the first rack belt to rotate, the first rack belt drives the rack to rotate, the rack drives the transmission gear to rotate, the transmission gear drives the first screw rod to rotate, and the first screw rod drives the supporting device to lift, so that the detected height can be adjusted, and different detection requirements can be met;
3. according to the invention, the pull disc is released, the adjusting column is pulled to return to the initial position by the adjusting spring on the inner side of the connecting sleeve, the adjusting column loosens the steel cable, the connecting block is loosened by the steel cable, the adjusting column is not limited, the adjusting column is pulled to rotate to return to the initial position, the adjusting column rotates to a vertical state, the arc-shaped fixture block on one side of the adjusting column is buckled on the inner side of the limiting groove, the observing column is fixed by the arc-shaped fixture block, and the device is convenient to mount and dismount the observing column.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a cross-sectional view of the base of the present invention;
FIG. 3 is a schematic view of a partial structure of the fixing block according to the present invention;
FIG. 4 is a schematic view of a portion of the protective case of the present invention;
FIG. 5 is a schematic view of a partial structure of the support post of the present invention;
FIG. 6 is a partial structural view of the support shell of the present invention;
FIG. 7 is a schematic view of a partial structure of an adjustment column according to the present invention;
fig. 8 is a partial structural schematic view of the connecting sleeve of the invention.
In the figure: 1. a base; 2. a support pillar; 3. a first lead screw; 4. a support device; 5. a transmission case; 6. a transmission gear; 7. a first rack belt; 8. a rack; 9. a rotating gear; 10. a second lead screw; 11. a telescopic column; 12. a cable; 13. a threaded rod; 14. a limiting block; 15. a belt pulley; 16. a knob; 17. a third screw rod; 18. a support housing; 19. a fixing plate; 20. a fixed block; 21. connecting sleeves; 22. adjusting a rod; 23. a splint; 24. a transmission belt; 25. a transmission rod; 26. a connecting gear; 27. a second rack belt; 28. a pull rod; 29. A limiting block; 30. an adjusting sleeve; 31. a limiting groove; 32. a protective shell; 33. a limiting slide block; 34. pulling the disc; 35. observing the column; 36. a limiting groove; 37. a connecting port; 38. an arc-shaped fixture block; 39. an adjustment column; 40. supporting the axle column; 41. connecting the clamping plates; 42. connecting sleeves; 43. an adjustment column; 44. a connector; 45. adjusting the spring; 46. a limiting pulley; 47. a steel cord; 48. connecting blocks; 49. a limiting spring; 50. a short connecting column; 51. A wire guide post.
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.
Referring to fig. 1 to 8, an embodiment of the present invention includes: an observation device for metal material fatigue crack propagation comprises a base 1, wherein the inner side of the base 1 is movably connected with a third screw rod 17, the upper end of the third screw rod 17 is slidably provided with a support shell 18, and one end of the base 1 is fixedly provided with a support column 2;
a second screw rod 10 is movably connected to the inner side of the supporting shell 18, a rotating gear 9 is fixedly installed at one end of the second screw rod 10, a fixing plate 19 is slidably installed at the upper end of the second screw rod 10, a protective shell 32 is fixedly installed at the lower ends of both sides of the fixing plate 19, a transmission rod 25 is movably installed at the inner side of the protective shell 32, a connecting gear 26 is fixedly installed at one side of the transmission rod 25, a transmission belt 24 is movably connected to the outer surface of the other side of the transmission rod 25, a connecting sleeve 21 is movably connected to the upper end of the transmission belt 24, a fixing block 20 is movably connected to the outer surface of the connecting sleeve 21, an adjusting rod 22 is movably connected to the inner side of the fixing block 20, a clamping plate 23 is fixedly installed at one side of the adjusting rod 22, a limiting slide block 33 is fixedly installed at one side of both ends, an adjusting sleeve 30 is connected to the outer surface of one side of one of the pull rods 28 in a sliding manner, a limiting block 29 is fixedly installed at the upper end of one side of one of the pull rods 28, the limiting block 29 is connected with the support shell 18 through a limiting groove 31, the limiting block 29 is pulled to be taken out of the inner side of the limiting groove 31 by pulling the pull rod 28, the pull rod 28 loses the limiting position, the pull rod 28 is rotated to drive the second rack belt 27 to rotate so as to adjust the extending length of the connecting rack on the outer surface of the second rack belt 27, the pull rod 28 is released, the limiting block 29 is pulled to return to the initial position by a spring on the inner side of the adjusting sleeve 30, the limiting block 29 is buckled on the inner side of the limiting groove 31 so that the limiting pull rod 28 is not rotated, a detection part is placed on the upper end surface of the fixing plate 19, the motor on the inner side of the motor shell is installed at, the fixing plate 19 drives the protective shell 32 to move, the connecting gear 26 is installed at the lower end of one side of the protective shell 32, when the connecting gear 26 is in contact with the second rack 27, the second rack 27 is limited by the pull rod 28 and does not rotate, so that the second rack 27 stirs the connecting gear 26 to rotate, the connecting gear 26 drives the transmission rod 25 to rotate, the transmission rod 25 drives the transmission belt 24 to rotate, the transmission belt 24 drives the connecting sleeve 21 to rotate, the connecting sleeve 21 drives the adjusting rod 22 on the inner side to rotate, the adjusting rod 22 is limited by the limiting groove 31, so that the connecting sleeve 21 pushes the adjusting rod 22 to move, the adjusting rod 22 pushes the clamping plates 23 to enable the clamping plates 23 to clamp parts, and the device is;
a first screw rod 3 is movably connected to the inner side of the supporting column 2, a supporting device 4 is slidably connected to one end of the first screw rod 3, a transmission gear 6 is fixedly mounted on the outer surface of the lower end of the first screw rod 3, one end of the transmission gear 6 is meshed with a rack 8, one end of the rack 8 is fixedly mounted with a first rack belt 7, one end of the first rack belt 7 is connected with the transmission case 5 through a rotating shaft, telescopic columns 11 are fixedly mounted at the lower ends of the two sides of the transmission case 5, a stay cable 12 is fixedly mounted at the lower end of the inner side of the telescopic column 11, a limiting block 14 is fixedly mounted at one end of the lower end of the stay cable 12, a threaded rod 13 is movably connected to the inner side of the limiting block 14, a belt pulley 15 is movably connected to the outer surface of one end of the, by rotating the knob 16, the knob 16 drives the belt pulley 15 to rotate, the belt pulley 15 drives the threaded rods 13 on both sides to rotate, the threaded rods 13 drive the limiting blocks 14 to move, the limiting blocks 14 drive the inhaul cable 12 to move forwards, so that the inhaul cable 12 is loosened, because the telescopic column 11 comprises the connecting shaft sleeve, the supporting shaft rod and the spring, the connecting shaft sleeve jacks up the supporting shaft rod through the spring, the supporting shaft rod jacks up the transmission case 5, so that the first rack belt 7 on the inner side of the transmission case 5 is contacted with the rotating gear 9, the rack 8 at one end of the first rack belt 7 is contacted with the transmission gear 6, when the fixed plate 19 reaches a bottom limiting position, the fixed plate 19 cannot move, the second lead screw 10 can continue to rotate, so that the second lead screw 10 drives the rotating gear 9 to rotate, the rotating gear 9 drives the first rack belt 7 to rotate, the first rack belt 7 drives the rack 8 to rotate, the rack, the first screw rod 3 drives the supporting device 4 to lift, so that the height of the supporting device can be adjusted to meet different detection requirements;
a wire column 51 is fixedly arranged on the inner side of the supporting device 4, a connector 44 is fixedly arranged at the lower end of one end of the wire column 51, a connecting sleeve 42 is fixedly arranged on the inner side of one end of the supporting device 4, the inner side of the connecting sleeve 42 is connected with an adjusting column 43 through an adjusting spring 45, a pull disc 34 is fixedly arranged at the upper end of the adjusting column 43, two steel cables 47 are fixedly arranged at the lower end of the adjusting column 43, supporting shaft columns 40 are fixedly arranged on both sides of the lower end of the connecting sleeve 42, a connecting clamp plate 41 is fixedly arranged on one side of each supporting shaft column 40, a limiting pulley 46 is fixedly arranged at one end of each connecting clamp plate 41, an adjusting column 39 is connected at the lower end of each supporting shaft column 40 through a connecting short column 50, a connecting block 48 is fixedly arranged on one side of the upper end of each adjusting column 39, an arc-, the observation column 35 is connected with the arc-shaped fixture block 38 through the limiting groove 36, the upper end face of the observation column 35 is provided with a connecting port 37, the pull disc 34 is pulled to pull the adjusting column 43, the adjusting column 43 pulls the two steel cables 47, the steel cables 47 pull the connecting block 48 through the limiting pulley 46, the connecting block 48 pulls the adjusting column 39 to rotate, the adjusting column 39 drives the arc-shaped fixture block 38 to move, the two adjusting columns 39 are unfolded, the proper observation column 35 is inserted into the inner side of the supporting device 4, the connecting port 37 on the upper end face of the observation column 35 wraps the connecting head 44 on the inner side of the supporting device 4, the observation column 35 is electrified with the connecting head 44, the adjusting column 43 is pulled to return to the initial position by releasing the pull disc 34 and utilizing the adjusting spring 45 on the inner side of the connecting sleeve 42, the adjusting column 43 is loosened from the steel cable 47, the steel cable 47 loosens the connecting block 48, the adjusting column 39 is not limited, the limiting spring 49, the adjusting column 39 is rotated back to the vertical state, and the arc-shaped clamping block 38 on one side of the adjusting column 39 is buckled on the inner side of the limiting groove 36 to fix the observation column 35, so that the device is convenient to mount and dismount the observation column 35.
Further, strutting arrangement 4 includes support frame, spacing connecting block and detects the head, and the one end fixed mounting of spacing connecting block has the support frame, and the lower extreme fixed mounting of support frame one end has and detects the head, and the device conveniently detects through installation strutting arrangement 4 for the device facilitates the use.
Further, flexible post 11 includes connecting sleeve, supporting shaft pole and spring, and the inboard fixed mounting of connecting sleeve has the spring, and the upper end fixed mounting of spring has the supporting shaft pole, and the device is through the cooperation of the flexible post 11 of installation with transmission case 5 for the device conveniently adjusts the height of transmission case 5 and uses.
Further, a motor shell is fixedly mounted at one end of the supporting shell 18 and one side of the third screw rod 17, a motor is fixedly mounted on the inner side of the motor shell through a screw, the motor is connected with the second screw rod 10 through a coupler, and the device is convenient to use through mounting the motor.
Further, a limiting slide block 33 is fixed with the clamping plate 23 through screws, the protective shell 32 is connected with the fixed block 20 through a sliding groove, anti-slip lines are arranged on one side of the clamping plate 23, the other side of the connecting sleeve 21 is connected to the inner side of the fixed block 20 through a bearing, the device is limited by the limiting slide block 33 through the matching of the limiting slide block 33 and the clamping plate 23, the connecting sleeve 21 of the device pushes the adjusting rod 22 to move, the adjusting rod 22 pushes the clamping plate 23 to enable the clamping plate 23 to be two, and the clamping plate 23 clamps parts, so that the device can conveniently and automatically clamp the parts.
Further, the limiting groove 31 comprises a circular groove and a plurality of strip-shaped grooves, the outer surface of the circular groove is provided with a plurality of strip-shaped grooves, the size of the strip-shaped grooves is completely the same as that of the limiting block 29, the outer surface of the adjusting sleeve 30 is connected with the inner side of the supporting shell 18 through a bearing, the adjusting sleeve 30 is connected with the pull rod 28 through a spring, the device pulls the pull rod 28, the pull rod 28 pulls the limit block 29 to be taken out from the inner side of the limit groove 31, so that the pull rod 28 loses the limit, the pull rod 28 is rotated to drive the second gear band 27 to rotate, the extension length of the connecting rack on the outer surface of the second gear band 27 is adjusted, the pull rod 28 is released, the limiting block 29 is pulled to return to the initial position by the spring on the inner side of the adjusting sleeve 30, the limiting block 29 is buckled on the inner side of the limiting groove 31, the limiting pull rod 28 is not rotated, and therefore the device can clamp parts with different widths.
Further, the outer surface of the second rack belt 27 is provided with a connecting rack, the length of the connecting rack is half of the circumference of the second rack belt 27, both sides of the supporting shell 18 are provided with scale bars, and the device is matched with the connecting rack through the second rack belt 27, so that the device is convenient to adjust and use.
Further, the one end of rack 8 and the one end of first rack area 7 laminate completely, rack 8 and first rack area 7 pass through welded fastening, fix with screw is passed through at the lower extreme of transmission case 5 in the upper end of flexible post 11, the device is through the cooperation of the one end of installation rack 8 and first rack area 7, drive the running gear 9 through second lead screw 10 and rotate, running gear 9 drives first rack area 7 and rotates, first rack area 7 drives rack 8 and rotates, rack 8 drives drive gear 6 and rotates, drive gear 6 drives first lead screw 3 and rotates, first lead screw 3 drives strutting arrangement 4 and goes up and down, make its height that adjusts the detection, in order to adapt to different detection demands.
Further, the limit connecting block passes through threaded connection with first lead screw 3, and welded fastening is passed through with the one end of support frame to the one end of limit connecting block, and the lower extreme of support frame one end passes through the fix with screw with the upper end of detecting the head, and the device is through the cooperation of installing first lead screw 3 and detecting the head for the device utilizes the rotation of first lead screw 3, conveniently adjusts and detects the head height.
Further, the connecting shaft sleeve passes through the fix with screw with base 1, the inboard of connecting shaft sleeve is laminated completely with the lower extreme of spring, the inboard and the spring of connecting shaft sleeve pass through welded fastening, welded fastening is passed through at the lower extreme of supporting shaft pole in the upper end of spring, the central point of supporting shaft pole lower extreme puts through welded fastening cable 12, cable 12 passes through the round hole with the connecting shaft sleeve and is connected, the device is through rotating knob 16, knob 16 drives belt pulley 15 and rotates, belt pulley 15 drives the threaded rod 13 of both sides and rotates, threaded rod 13 drives stopper 14 and removes, stopper 14 drives cable 12 and moves forward, make its cable 12 relax, because flexible post 11 is including connecting shaft sleeve, supporting shaft pole and spring, make its connecting shaft sleeve pass through the spring and jack up the supporting shaft pole, the supporting shaft pole jacks up transmission case 5, make the device facilitate.
The working principle is as follows: when in use, the using condition of each mechanism is checked, the device is moved to a working area, the pull disc 34 is pulled to pull the adjusting column 43, the adjusting column 43 pulls the two steel cables 47, the steel cables 47 pull the connecting block 48 through the limiting pulley 46, the connecting block 48 pulls the adjusting column 39 to rotate, the adjusting column 39 drives the arc-shaped clamping block 38 to move, the two adjusting columns 39 are unfolded, the proper observation column 35 is inserted into the inner side of the supporting device 4, the connecting port 37 on the upper end surface of the observation column 35 wraps the connecting head 44 on the inner side of the supporting device 4, the observation column 35 and the connecting head 44 are electrified, the pull disc 34 is removed, the adjusting column 43 is pulled to return to the initial position by the adjusting spring 45 on the inner side of the connecting sleeve 42, the adjusting column 43 loosens the steel cables 47, the steel cables 47 loosens the connecting block 48, the adjusting column 39 is not limited, the adjusting column 39 is pulled to rotate to return to the initial position, the adjusting column 39 is rotated back to the vertical state, the arc-shaped clamping block 38 at one side of the adjusting column 39 is buckled at the inner side of the limiting groove 36 to fix the observation column 35, so that the device is convenient to mount and dismount the observation column 35, the pull rod 28 is pulled to pull the limiting block 29 to be taken out from the inner side of the limiting groove 31, the pull rod 28 loses the limiting position, the pull rod 28 is rotated to drive the second rack belt 27 to rotate to adjust the extending length of the connecting rack on the outer surface of the second rack belt 27, the pull rod 28 is released, the spring at the inner side of the adjusting sleeve 30 is utilized to pull the limiting block 29 to return to the initial position, the limiting block 29 is buckled at the inner side of the limiting groove 31, the limiting pull rod 28 is not rotated, the detection part is placed on the upper end surface of the fixing plate 19, the motor at one end of the supporting shell 18 is mounted at the inner side of the shell to drive the second screw rod 10, the fixing plate 19 drives the protective shell 32 to move, the connecting gear 26 is installed at the lower end of one side of the protective shell 32, when the connecting gear 26 is in contact with the second rack 27, the second rack 27 is limited by the pull rod 28 and is not rotating, the second rack 27 is made to stir the connecting gear 26 to rotate, the connecting gear 26 drives the transmission rod 25 to rotate, the transmission rod 25 drives the transmission belt 24 to rotate, the transmission belt 24 drives the connecting sleeve 21 to rotate, the connecting sleeve 21 drives the adjusting rod 22 at the inner side to rotate, the adjusting rod 22 is limited by the limiting slide block 33, the connecting sleeve 21 pushes the adjusting rod 22 to move, the adjusting rod 22 pushes the clamping plates 23 to enable the two clamping plates 23 to clamp parts, the device is convenient for automatically clamping parts, the parts can be well rotated by using the third screw rod 17 and the second screw rod 10, the device can be detected at any position, when, the detection is carried out through the supporting device 4, the knob 16 is rotated to drive the belt pulley 15 to rotate, the belt pulley 15 drives the threaded rods 13 at two sides to rotate, the threaded rods 13 drive the limiting blocks 14 to move, the limiting blocks 14 drive the inhaul cables 12 to move forwards to enable the inhaul cables 12 to be loosened, the telescopic column 11 comprises a connecting shaft sleeve, a supporting shaft rod and a spring, the connecting shaft sleeve jacks up the supporting shaft rod through the spring, the supporting shaft rod jacks up the transmission case 5 to enable the first rack belt 7 at the inner side of the transmission case 5 to be contacted with the rotating gear 9, the rack 8 at one end of the first rack belt 7 is contacted with the transmission gear 6, when the fixed plate 19 is limited at the bottom, the fixed plate 19 cannot move, the second screw rod 10 can continuously rotate to enable the second screw rod to drive the rotating gear 9 to rotate, the rotating gear 9 drives the first rack belt 7 to rotate, the first rack belt 7 drives the, the transmission gear 6 drives the first screw rod 3 to rotate, and the first screw rod 3 drives the supporting device 4 to lift, so that the height of detection can be adjusted to meet different detection requirements.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. An observation device for metal material fatigue crack propagation, comprising a base (1), characterized in that: a third screw rod (17) is movably connected to the inner side of the base (1), a supporting shell (18) is slidably mounted at the upper end of the third screw rod (17), and a supporting column (2) is fixedly mounted at one end of the base (1);
the inboard swing joint of support shell (18) has second lead screw (10), the one end fixed mounting of second lead screw (10) has running gear (9), the upper end slidable mounting of second lead screw (10) has fixed plate (19), the equal fixed mounting of lower extreme of fixed plate (19) both sides has protective housing (32), the inboard movable mounting of protective housing (32) has transfer line (25), one side fixed mounting of transfer line (25) has connecting gear (26), the surface swing joint of the opposite side of transfer line (25) has drive belt (24), the upper end swing joint of drive belt (24) has adapter sleeve (21), the surface swing joint of adapter sleeve (21) has fixed block (20), the inboard swing joint of fixed block (20) has regulation pole (22), one side fixed mounting of regulation pole (22) has splint (23), a limiting sliding block (33) is fixedly installed on one side of each of two ends of the clamping plate (23), the lower end of the connecting gear (26) is connected with a second rack (27) in a meshed mode, two ends of the inner sides of the two second racks (27) are connected with the inner side of the supporting shell (18) through two pull rods (28), an adjusting sleeve (30) is connected to the outer surface of one side of one of the pull rods (28) in a sliding mode, a limiting block (29) is fixedly installed at the upper end of one side of one of the pull rods (28), and the limiting block (29) is connected with the supporting shell (18) through a limiting groove (31);
the inner side of the supporting column (2) is movably connected with a first lead screw (3), one end of the first lead screw (3) is slidably connected with a supporting device (4), a transmission gear (6) is fixedly arranged on the outer surface of the lower end of the first lead screw (3), one end of the transmission gear (6) is meshed with a rack (8), a first rack strip (7) is fixedly arranged at one end of the rack (8), one end of the first rack strip (7) is connected with a transmission case (5) through a rotating shaft, telescopic columns (11) are fixedly arranged at the lower ends of two sides of the transmission case (5), a cable (12) is fixedly arranged at the inner lower end of each telescopic column (11), a limiting block (14) is fixedly arranged at one end of the lower end of the cable (12), a threaded rod (13) is movably connected with the inner side of the limiting block (14), and a belt pulley (15, a knob (16) is movably connected to the middle position of the belt pulley (15);
the utility model discloses a wire guide device for the elevator, including strutting arrangement, supporting device, adjusting shaft post, adjusting plate, adjusting clamp plate, connecting clamp plate, adjusting post, adjusting clamp plate, adjusting pulley, adjusting device, adjusting, adjust one side fixed mounting of post (39) upper end has connecting block (48), one side fixed mounting who adjusts post (39) has arc fixture block (38), the opposite side fixed mounting who adjusts post (39) has spacing spring (49), one side swing joint of arc fixture block (38) has observation post (35), it is connected through spacing groove (36) with arc fixture block (38) to observe post (35), the up end of observing post (35) is provided with connector (37).
2. An observation apparatus for fatigue crack propagation in metallic materials according to claim 1, wherein: the supporting device (4) comprises a supporting frame and a limiting connecting block, the supporting frame is fixedly mounted at one end of the limiting connecting block, and an observing head is fixedly mounted on the inner side of the observing column (35).
3. An observation apparatus for fatigue crack propagation in metallic materials according to claim 1, wherein: the telescopic column (11) comprises a connecting shaft sleeve, a supporting shaft rod and a spring, the spring is fixedly mounted on the inner side of the connecting shaft sleeve, and the supporting shaft rod is fixedly mounted at the upper end of the spring.
4. An observation apparatus for fatigue crack propagation in metallic materials according to claim 1, wherein: one end of the supporting shell (18) and one side of the third screw rod (17) are fixedly provided with motor shells, the inner sides of the motor shells are fixedly provided with motors through screws, and the motors are connected with the second screw rod (10) through couplers.
5. An observation apparatus for fatigue crack propagation in metallic materials according to claim 1, wherein: spacing slider (33) pass through the fix with screw with splint (23), protective housing (32) pass through the spout with fixed block (20) and are connected, one side of splint (23) is provided with anti-skidding line, the inboard at fixed block (20) is passed through the bearing connection to the opposite side of adapter sleeve (21).
6. An observation apparatus for fatigue crack propagation in metallic materials according to claim 1, wherein: spacing groove (31) include circular slot and bar groove, the surface of circular slot is provided with a plurality of bar groove, the size of a dimension in bar groove is the same with the size of a dimension of stopper (29) completely, the surface of adjusting collar (30) passes through the inboard of bearing joint support shell (18), adjusting collar (30) pass through spring coupling with pull rod (28).
7. An observation apparatus for fatigue crack propagation in metallic materials according to claim 1, wherein: the outer surface of the second rack belt (27) is provided with a connecting rack, the length of the connecting rack is half of the perimeter of the second rack belt (27), and both sides of the supporting shell (18) are provided with scale bars.
8. An observation apparatus for fatigue crack propagation in metallic materials according to claim 1, wherein: one end of the rack (8) is completely attached to one end of the first rack strip (7), the rack (8) and the first rack strip (7) are fixed through welding, and the upper end of the telescopic column (11) is fixed to the lower end of the transmission case (5) through a screw.
9. An observation apparatus for fatigue crack propagation of a metallic material according to claim 2, wherein: the limiting connecting block is connected with the first screw rod (3) through threads, and one end of the limiting connecting block is fixed with one end of the supporting frame through welding.
10. An observation apparatus for fatigue crack propagation of a metallic material according to claim 3, wherein: the connecting shaft sleeve is fixed with the base (1) through screws, the inner side of the connecting shaft sleeve is completely attached to the lower end of the spring, the inner side of the connecting shaft sleeve is fixed with the spring through welding, the upper end of the spring is fixed to the lower end of the supporting shaft rod through welding, the center of the lower end of the supporting shaft rod is provided with a stay cable (12) through welding, and the stay cable (12) is connected with the connecting shaft sleeve through a round hole.
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| CN111929146B (en) | 2023-06-13 |
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