CN116358812A - Vibration stress load spectrum acquisition equipment - Google Patents
Vibration stress load spectrum acquisition equipment Download PDFInfo
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- CN116358812A CN116358812A CN202310192570.4A CN202310192570A CN116358812A CN 116358812 A CN116358812 A CN 116358812A CN 202310192570 A CN202310192570 A CN 202310192570A CN 116358812 A CN116358812 A CN 116358812A
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- 238000001228 spectrum Methods 0.000 title claims abstract description 39
- 238000003825 pressing Methods 0.000 claims abstract description 69
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 238000001125 extrusion Methods 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 12
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 11
- 239000004917 carbon fiber Substances 0.000 claims description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 11
- 239000002184 metal Substances 0.000 abstract description 2
- 230000002929 anti-fatigue Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 210000000080 chela (arthropods) Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/027—Specimen mounting arrangements, e.g. table head adapters
Abstract
The invention belongs to the technical field of stress detection, and particularly relates to vibration stress load spectrum acquisition equipment, which comprises a load spectrum acquisition device, wherein the load spectrum acquisition device comprises a bracket component, a clamping component, a driving component, a pressing component, a control component and a triggering component, the top end of the bracket component is provided with the clamping component, the driving component is arranged on the inner side of the bracket component, the driving component can control the pressing component to move, the control component is arranged on the lower side of the pressing component, the triggering component is arranged on the top end of the bracket component, the control component can be controlled to work, one end of a workpiece can be fixedly clamped through the load spectrum acquisition device, the change of the vibration amplitude of the workpiece is detected through repeated vibration of the free end of the workpiece after being stressed once, the anti-fatigue degree of the workpiece can be well detected, and the movement of the clamping end is actively avoided, so that interference factors received during stress detection of a metal workpiece are small.
Description
Technical Field
The invention belongs to the technical field of stress detection, and particularly relates to vibration stress load spectrum acquisition equipment.
Background
When the stress detection is carried out on a longer workpiece, vibration stress load of the longer workpiece is required to be collected, and for the longer workpiece, the traditional mode is that after the workpiece is clamped, an active belt drives the workpiece to reciprocate up and down, so that the other end of the workpiece swings, the fatigue degree is detected by reciprocating vibration, and the fatigue degree is detected in the mode, because one end of the clamping always actively moves according to a certain frequency, the result of the workpiece test is indirectly affected to a certain extent.
Disclosure of Invention
To solve the problems set forth in the background art. The invention provides vibration stress load spectrum acquisition equipment which has the characteristics that one end of a workpiece is fixedly clamped, the change of the vibration amplitude of the workpiece is detected by repeatedly vibrating the free end of the workpiece after being stressed once, and the fatigue resistance of the workpiece can be well detected.
In order to achieve the above purpose, the present invention provides the following technical solutions: the vibration stress load spectrum acquisition equipment comprises a load spectrum acquisition device, wherein the load spectrum acquisition device comprises a bracket component, a clamping component, a driving component, a pressing component, a control component and a triggering component;
the clamping assembly is arranged at the top end of the support assembly, the driving assembly is arranged on the inner side of the support assembly, the driving assembly can control the pressing assembly to move, the control assembly is arranged on the lower side of the pressing assembly, the triggering assembly is arranged at the top end of the support assembly, and the control assembly can be controlled to work by the triggering assembly.
As the vibration stress load spectrum acquisition equipment, the bracket assembly comprises a bottom plate, a top plate, a first connecting plate and an inclined top piece, wherein the top plate is arranged right above the bottom plate, the first connecting plate is fixedly connected between the top plate and the bottom plate, and the inclined top piece is fixedly connected to the outer side of the top end of the top plate.
As the vibration stress load spectrum acquisition equipment, the clamping assembly comprises a first fixed plate, a fixed shell, clamping blocks, a detection piece, a telescopic hydraulic rod and an extrusion piece, wherein the outer side of the top end of the top plate is fixedly connected with the first fixed plate, the outer side of the top end of the first fixed plate is fixedly connected with the fixed shell, grooves which are inclined symmetrically on the upper surface and the lower surface are formed in the inner side of the fixed shell, the reducing direction of the cross section of the grooves is the opening direction of the fixed shell, the clamping blocks which are obliquely arranged on the upper side and the lower side are arranged on the inner side of the fixed shell, the inclination angles of the upper side and the lower side of the clamping blocks are the same as the inclination angle of the grooves on the inner side of the fixed shell, the detection piece is clamped between the two clamping blocks, the inner side of the right end of the fixed shell is fixedly connected with the telescopic hydraulic rod, the extrusion piece is fixedly connected with the tail end of the telescopic main shaft of the telescopic hydraulic rod, and the outer side of the left end of the extrusion piece is in contact connection with the outer side of the right end of the clamping block.
As the vibration stress load spectrum acquisition equipment, the clamping assembly further comprises a first strong magnet, a carbon fiber support and a laser transmitter, wherein the first strong magnet is magnetically connected to the lower side of the left end of the detection piece, the carbon fiber support is fixedly connected to the outer side of the bottom end of the first strong magnet, and the laser transmitter is fixedly connected to the inner side of one end of the carbon fiber support.
As the vibration stress load spectrum acquisition equipment, the driving assembly comprises a driving motor, a threaded rod and an internal thread block, wherein the driving motor is fixedly connected to the inner side of the bottom end of the bottom plate through a bracket, the threaded rod is fixedly connected to the tail end of a main shaft of the driving motor, and the internal thread block is connected to the external thread of the threaded rod.
As the vibration stress load spectrum acquisition equipment, the pressure assembly comprises a pressure shell, an inner movable rod, a pressure wheel, a first limit ring, a buffer rubber ring, a movable shell, a first compression spring, a rotating wheel support and a pressing wheel, wherein the outer sides of the front end and the rear end of the pressure shell are respectively fixedly connected with the outer sides of one end of an inner threaded block, the inner movable rod is connected with the inner movable rod in a sliding manner, the right end of the inner movable rod is rotationally connected with the pressure wheel, the outer side of the right end of the inner movable rod is fixedly connected with the first limit ring, the outer side of the right end of the pressure shell is fixedly connected with the buffer rubber ring, the outer side of the left end of the inner movable rod is fixedly connected with the movable shell, the outer side of the right end of the movable shell is in contact connection with the outer side of the left end of the pressure shell, the first compression spring is fixedly connected between the inner side of the left end of the movable shell and the outer side of the left end of the pressure shell, the outer side of the left end of the movable shell is fixedly connected with the rotating wheel support, and the rotating wheel support is rotationally connected with the outer side of the rotating wheel support.
As the vibration stress load spectrum acquisition equipment, the pressing assembly further comprises a single inclined surface clamping strip, a spring seat, a second stretching spring and a second strong magnet, wherein the inner side of the bottom end of the pressing shell is connected with the single inclined surface clamping strip in a sliding mode, the inclined surface part of the top end of the single inclined surface clamping strip is connected with the inner side of the bottom end of the inner movable rod in a clamping mode, the spring seat is fixedly connected with the outer side of the bottom end of the single inclined surface clamping strip, the second stretching spring is fixedly connected between the outer side of the top end of the spring seat and the inner side of the bottom end of the pressing shell, and the second strong magnet is fixedly connected with the outer side of the bottom end of the spring seat.
As the vibration stress load spectrum acquisition equipment, the control assembly comprises a first sliding sleeve, a hollow rod, a magnetic contact head, a second connecting plate, a supporting plate, an A-bracket, a fixed shaft, a second sliding sleeve and a first inner sliding rod, wherein the inner side of one end of the first sliding sleeve is connected with the hollow rod in a sliding manner, the magnetic contact head is fixedly connected with the outer side of the top end of the hollow rod, the outer side of the top end of the magnetic contact head is in contact connection with the outer side of the bottom end of a pressing shell, the outer end face of one end of the first sliding sleeve is fixedly connected with the second sliding sleeve through the second connecting plate, the outer side of the bottom end of the second connecting plate is fixedly connected with the outer side of the top end of the top plate through the supporting plate, the inner side of one end of the second sliding sleeve is connected with the first inner sliding rod in a sliding manner, the top end of the second connecting plate is fixedly connected with the A-bracket, and the front side of the top end of the A-bracket is fixedly connected with the fixed shaft.
As the vibration stress load spectrum acquisition equipment, the control assembly further comprises a limiting rod, a second limiting ring, an expansion head, clamping pliers, a limiting block, a third extension spring, a limiting clamping block, a T-shaped column, a moving plate, limiting feet, a third strong magnet and a fourth extension spring, wherein the limiting rod is fixedly connected to the outer side of one end of the first inner sliding rod, the second limiting ring is fixedly connected to the outer side of the front end of the limiting rod, the expansion head is fixedly connected to the outer side of the top end of the first inner sliding rod, the clamping pliers are in contact connection with the outer side of the outer end face of the fixed shaft, the outer side of one end of the clamping pliers is fixedly connected with the limiting block, the inner side of the top end of the clamping pliers is fixedly connected with the third extension spring, the top end of the clamping pliers is fixedly connected with the limiting clamping block which is obliquely arranged, the T-shaped column is clamped and connected to the outer side of the top end of the limiting clamping block, the outer side of the top end of the T-shaped column is fixedly connected to the bottom end of the moving plate, the outer side of the clamping block is fixedly connected with the outer side of the moving plate, the outer side of the clamping plate is fixedly connected with the outer side of the movable plate, and the outer side of the clamping plate is fixedly connected with the outer side of the movable plate.
As the preferred vibration stress load spectrum acquisition equipment, the triggering component comprises a second fixing plate, a third sliding sleeve, a reinforcing plate, a second inner sliding rod, an upper triggering plate, a lower driven plate, a second compression spring, a rotating support, a transmission rod, a first strip-shaped hole, a second strip-shaped hole and a side support, wherein the bottom end of the second fixing plate is fixedly connected with the outer side of the top end of the top plate, the reinforcing plate is fixedly connected with the outer side of the top end of the second fixing plate, the third sliding sleeve is fixedly connected with the outer sides of the left end and the right end of the reinforcing plate, the inner side of one end of the third sliding sleeve is connected with the second inner sliding rod in a sliding manner, the outer side of the top end of the second inner sliding rod is fixedly connected with the upper triggering plate, the outer side of the bottom end of the second inner sliding rod is fixedly connected with the lower driven plate, the outer side of the bottom end of the reinforcing plate is fixedly connected with the second compression spring, the outer side of the bottom end of the second fixing plate is fixedly connected with the rotating support, one end of the second strip-shaped hole is connected with the inner side of the transmission rod, and the transmission rod is provided with the inner side of the first strip-shaped hole.
Compared with the prior art, the invention has the beneficial effects that: through the load spectrum collection system who sets up, can carry out fixed centre gripping with the one end of work piece, through the vibration after letting the free end of work piece carry out the atress once repeatedly, detect the change of work piece vibration amplitude, the detection work piece that can be fine is tired-resistant degree, because the removal of holding end has been avoided in initiative to the intervention factor that receives in messenger's metal work piece atress detection is less.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
FIG. 3 is a schematic view of a clamping assembly according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present invention;
FIG. 5 is a schematic diagram of a driving assembly according to the present invention;
FIG. 6 is a cross-sectional view of the connection structure of the pressing assembly of the present invention;
FIG. 7 is a cross-sectional view of the overall construction of the pressing assembly of the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7B in accordance with the present invention;
FIG. 9 is a schematic diagram of a connection structure of a control assembly according to the present invention;
FIG. 10 is a schematic diagram of a control assembly according to the present invention;
FIG. 11 is an enlarged schematic view of the structure of FIG. 10C in accordance with the present invention;
FIG. 12 is a schematic view of a trigger assembly according to the present invention;
in the figure:
1. a load spectrum acquisition device;
2. a bracket assembly; 21. a bottom plate; 22. a top plate; 23. a first connection plate; 24. an angled roof;
3. a clamping assembly; 31. a first fixing plate; 32. a fixed housing; 33. a clamping block; 34. a detecting member; 35. a first strong magnet; 36. a carbon fiber support; 37. a laser emitter; 38. a telescopic hydraulic rod; 39. an extrusion;
4. a drive assembly; 41. a driving motor; 42. a threaded rod; 43. an internal thread block;
5. a pressing assembly; 51. a pressing housing; 52. an inner movable rod; 53. a pressing wheel; 54. a first limit ring; 55. a buffer rubber ring; 56. a movable housing; 57. a first compression spring; 58. a runner bracket; 59. a pressing wheel; 591. a single inclined surface clamping strip; 592. a spring seat; 593. a second tension spring; 594. a second strong magnet;
6. a control assembly; 61. a first sliding sleeve; 611. a hollow rod; 612. a magnetic contact; 62. a second connecting plate; 621. a support plate; 622. a tripod; 623. a fixed shaft; 63. the second sliding sleeve; 64. a first inner slide bar; 641. a limit rod; 642. a second limit ring; 65. an expansion head; 66. clamping pliers; 661. a limiting block; 662. a third extension spring; 663. a limit clamping block; 67. a T-shaped column; 68. a moving plate; 681. a limit foot; 682. a third strong magnet; 683. a fourth extension spring;
7. a trigger assembly; 71. a second fixing plate; 72. a third sliding sleeve; 73. a reinforcing plate; 74. a second inner slide bar; 741. an upper trigger plate; 742. a lower driven plate; 743. a second compression spring; 75. rotating the bracket; 76. a transmission rod; 761. a first bar-shaped hole; 762. a second bar-shaped hole; 77. and a side bracket.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-12:
the vibration stress load spectrum acquisition equipment comprises a load spectrum acquisition device 1, wherein the load spectrum acquisition device 1 comprises a bracket component 2, a clamping component 3, a driving component 4, a pressing component 5, a control component 6 and a triggering component 7;
the clamping assembly 3 is installed on the top of support subassembly 2, and drive assembly 4 is installed to the inboard of support subassembly 2, and drive assembly 4 can control the subassembly 5 that applies pressure and remove, and control assembly 6 is installed to the downside of applying pressure subassembly 5, and trigger assembly 7 is installed on the top of support subassembly 2, and trigger assembly 7 can control assembly 6 and work.
Further, the method comprises the steps of;
in an alternative embodiment, the bracket assembly 2 comprises a bottom plate 21, a top plate 22, a first connecting plate 23 and an inclined top piece 24, wherein the top plate 22 is arranged right above the bottom plate 21, the first connecting plate 23 is fixedly connected between the top plate 22 and the bottom plate 21, and the inclined top piece 24 is fixedly connected to the outer side of the top end of the top plate 22.
In an alternative embodiment, the clamping assembly 3 includes a first fixing plate 31, a fixing housing 32, a clamping block 33, a detecting member 34, a telescopic hydraulic rod 38 and an extrusion 39, the outer side of the top end of the top plate 22 is fixedly connected with the first fixing plate 31, the outer side of the top end of the first fixing plate 31 is fixedly connected with the fixing housing 32, the inner side of the fixing housing 32 is provided with a slot with a vertically symmetrical inclination, the shrinking direction of the section of the slot is the opening direction of the fixing housing 32, the inner side of the fixing housing 32 is provided with the clamping block 33 which is obliquely arranged at the upper side and the lower side, the inclination angle of the upper side and the lower side of the clamping block 33 is the same as the inclination angle of the slot at the inner side of the fixing housing 32, the detecting member 34 is clamped between the two clamping blocks 33, the inner side of the right end of the fixing housing 32 is fixedly connected with the telescopic hydraulic rod 38, the outer side of the telescopic spindle of the telescopic hydraulic rod 38 is fixedly connected with the extrusion 39, and the left end of the extrusion 39 is in contact connection with the outer side of the right end of the clamping block 33.
In an alternative embodiment, the clamping assembly 3 further includes a first strong magnet 35, a carbon fiber support 36 and a laser emitter 37, the first strong magnet 35 is magnetically connected to the lower side of the left end of the detecting element 34, the carbon fiber support 36 is fixedly connected to the outer side of the bottom end of the first strong magnet 35, and the laser emitter 37 is fixedly connected to the inner side of one end of the carbon fiber support 36.
In an alternative embodiment, the driving assembly 4 includes a driving motor 41, a threaded rod 42 and an internal thread block 43, the driving motor 41 is fixedly connected to the inner side of the bottom end of the bottom plate 21 through a bracket, the threaded rod 42 is fixedly connected to the end of the main shaft of the driving motor 41, and the internal thread block 43 is screwed to the outer side of the threaded rod 42.
In an alternative embodiment, the pressing assembly 5 includes a pressing shell 51, an inner movable rod 52, a pressing wheel 53, a first stop collar 54, a buffer rubber collar 55, a movable housing 56, a first compression spring 57, a rotating wheel support 58 and a pressing wheel 59, wherein the front end and the rear end of the pressing shell 51 are respectively fixedly connected with one end outer side of the inner threaded block 43, the inner side of the pressing shell 51 is slidably connected with the inner movable rod 52, the right end of the inner movable rod 52 is rotatably connected with the pressing wheel 53, the right end outer side of the inner movable rod 52 is fixedly connected with the first stop collar 54, the right end outer side of the pressing shell 51 is fixedly connected with the buffer rubber collar 55, the left end outer side of the inner movable rod 52 is fixedly connected with the movable housing 56, the right end outer side of the movable housing 56 is in contact connection with the left end outer side of the pressing shell 51, the first compression spring 57 is fixedly connected between the left end inner side of the movable housing 56 and the left end outer side of the pressing shell 51, the left end outer side of the movable housing 56 is fixedly connected with the rotating wheel support 58, and the left end outer side of the rotating wheel support 58 is rotatably connected with the pressing wheel 59.
In an alternative embodiment, the pressing assembly 5 further includes a single inclined surface clamping bar 591, a spring seat 592, a second extension spring 593 and a second strong magnet 594, the bottom end inner side of the pressing housing 51 is slidably connected with the single inclined surface clamping bar 591, the top end inclined surface portion of the single inclined surface clamping bar 591 is in clamping connection with the bottom end inner side of the inner movable rod 52, the bottom end outer side of the single inclined surface clamping bar 591 is fixedly connected with the spring seat 592, the second extension spring 593 is fixedly connected between the top end outer side of the spring seat 592 and the bottom end inner side of the pressing housing 51, and the bottom end outer side of the spring seat 592 is fixedly connected with the second strong magnet 594.
In an alternative embodiment, the control assembly 6 includes a first sliding sleeve 61, a hollow rod 611, a magnetic contact head 612, a second connecting plate 62, a supporting plate 621, a tripod 622, a fixed shaft 623, a second sliding sleeve 63, and a first inner sliding rod 64, wherein an inner side of one end of the first sliding sleeve 61 is slidably connected with the hollow rod 611, an outer side of a top end of the hollow rod 611 is fixedly connected with the magnetic contact head 612, an outer side of a top end of the magnetic contact head 612 is in contact connection with an outer side of a bottom end of the pressing shell 51, an outer end surface of one end of the first sliding sleeve 61 is fixedly connected with the second sliding sleeve 63 through the second connecting plate 62, an outer side of a bottom end of the second connecting plate 62 is fixedly connected with an outer side of a top end of the top plate 22 through the supporting plate 621, an inner side of one end of the second sliding sleeve 63 is slidably connected with the first inner sliding rod 64, an upper end of the second connecting plate 62 is fixedly connected with the tripod 622, and a front side of a top end of the tripod 622 is fixedly connected with the fixed shaft 623.
In an alternative embodiment, the control assembly 6 further includes a limiting rod 641, a second limiting ring 642, an expanding head 65, a clamping jaw 66, a limiting block 661, a third tension spring 662, a limiting clamping block 663, a T-shaped column 67, a moving plate 68, a limiting foot 681, a third strong magnet 682 and a fourth tension spring 683, wherein one end outer side of the first inner sliding rod 64 is fixedly connected with the limiting rod 641, a front end outer side of the limiting rod 641 is fixedly connected with the second limiting ring 642, a top end outer side of the first inner sliding rod 64 is fixedly connected with the expanding head 65, a clamping jaw 66 is in contact connection with the outer side of the top end outer side of the expanding head 65, the clamping jaw 66 is rotationally connected to the outer end outer side of the fixing shaft 623, a limiting block 661 is fixedly connected to the outer side of one end outer side of the clamping jaw 66, a limiting clamping block 663 with the top surface which is arranged obliquely, a T-shaped column 67 is fixedly connected to the outer side of the top end of the moving plate 68, the bottom end outer side of the moving plate 67 is fixedly connected to the bottom end of the moving plate 68, the top end outer side of the moving plate 68 is fixedly connected to the outer side of the hollow plate 68, the outer side of the moving plate 68 is fixedly connected to the outer side of the moving plate 68, and the outer side of the moving plate 68 is fixedly connected to the outer side of the moving plate 68.
In an alternative embodiment, the triggering component 7 includes a second fixing plate 71, a third sliding sleeve 72, a reinforcing plate 73, a second inner sliding rod 74, an upper triggering plate 741, a lower driven plate 742, a second compression spring 743, a rotating support 75, a transmission rod 76, a first bar hole 761, a second bar hole 762 and a side support 77, the bottom end of the second fixing plate 71 is fixedly connected to the outer side of the top plate 22, the reinforcing plate 73 is fixedly connected to the outer side of the top end of the second fixing plate 71, the third sliding sleeve 72 is fixedly connected to the outer sides of both left and right ends of the reinforcing plate 73, the second inner sliding rod 74 is slidingly connected to the inner side of one end of the third sliding sleeve 72, the upper triggering plate 741 is fixedly connected to the outer side of the top end of the second inner sliding rod 74, the lower driven plate 742 is fixedly connected to the outer side of the bottom end of the second inner sliding rod 74, a second compression spring 743 is fixedly connected between the outer side of the top end of the reinforcing plate 73 and the outer side of the bottom end of the upper triggering plate 741, the outer side of the bottom end of the lower driven plate 71 is fixedly connected to the rotating support 75, one end of the outer side of the rotating support 75 is rotatably connected to the transmission rod 76 is provided with the inner side of the first bar hole 641, and the first end of the first bar 76 is provided to the inner side of the second bar hole 762 is connected to the inner side of the first end of the second bar hole 641, and the end of the first end of the second end of the inner sliding rod 76 is located inside the end of the limiting rod 641 is located inside of the limiting hole 641.
In this embodiment: when the load spectrum acquisition device 1 is used for detecting vibration stress conditions of the detection piece 34, the detection piece 34 is required to be installed and clamped, the extrusion piece 39 is driven to move rightwards after the telescopic hydraulic rod 38 is reversely electrified, the extrusion piece 33 is not extruded after the extrusion piece 39 moves rightwards, then the clamping piece 33 can be pushed rightwards, and as the left and right sides of the groove on the inner side of the fixed shell 32 are large, a small and large movable space is reserved after the clamping piece 33 moves rightwards, so that the upper clamping piece 33 and the lower clamping piece 33 can be separated, the detection piece 34 is placed between the upper clamping piece 33 and the lower clamping piece 33, then the telescopic hydraulic rod 38 is positively electrified, the extrusion piece 39 can be driven to move leftwards after the telescopic hydraulic rod 38 is positively electrified, the extrusion piece 39 can extrude the clamping piece 33, so that the clamping piece 33 moves leftwards, and as the left side space of the groove on the inner side of the fixed shell 32 is gradually reduced, the distance between the upper clamping piece 33 and the lower clamping piece 33 is gradually reduced, and the detection piece 33 is clamped and fixed by the clamping piece 33;
after the detection piece 34 is installed and fixed, the laser emitter 37 is required to be installed at the lower side position of the left end of the detection piece 34, the first strong magnet 35 is directly adsorbed on the outer surface of the detection piece 34 through magnetic force, therefore, the detection piece 34 to be detected is required to be made of a material which can be adsorbed by the magnet, the first strong magnet 35 can drive the carbon fiber support 36 to drive the laser emitter 37 to be fixedly installed, the laser emitted by the laser emitter 37 is required to be perpendicular to the front side surface of the detection piece 34 if the detection piece 34 is in a cuboid shape, a piece of paper which moves at a constant speed is arranged right behind the laser emitter 37, a burning trace is left on the paper through the laser emitted by the laser emitter 37, the vibration trace of the detection piece 34 can be detected, the uniform movement of the paper can be realized, for example, one end of the paper can be pulled away from a damping scroll through an electric rubber clamping roller to realize the movement, the power of the laser emitter 37 is required to be proper, the burning trace can be recorded, and the paper is prevented from being burnt by the excessive power of the laser emitter 37;
further, the detecting piece 34 needs to be pressed, so that the detecting piece 34 can vibrate, when the driving motor 41 is electrified, the driving motor 41 drives the threaded rod 42 to rotate, the threaded rod 42 drives the internal thread block 43 to move after rotating, the internal thread block 43 drives the pressing component 5 to move downwards together, specifically, the internal thread block 43 drives the pressing shell 51 to move downwards, the pressing shell 51 drives the internal movable rod 52 to drive the pressing wheel 53 to move downwards, the pressing wheel 53 presses the detecting piece 34, the left end of the detecting piece 34 is bent, when the left end of the detecting piece 34 is bent until contacting and pressing the upper trigger plate 741, the upper trigger plate 741 receives to overcome the elasticity of the second compression spring 743 to move downwards, the upper trigger plate 741 drives the second internal sliding rod 74 to move downwards, the lower driven plate 742 is driven by the second internal sliding rod 74 to move downwards, the lower driven plate 742 drives the rotating bracket 75 to move downwards, the driving rod 76 rotates around the limiting rod 641 fixed on the side bracket 77 to rotate, and the driving rod 76 is a hard driving rod 641 to move upwards through the first hole 641, and the driving rod 76 is arranged on the right side of the limiting rod 641, and the driving rod 76 is made of a hard driving rod 76 is made to move upwards due to the fact that the driving rod 641 is arranged on the first side of the limiting rod 641; the rotating connection part is fixed position rotation, so in order to enable the transmission rod 76 to rotate and drive the first inner sliding rod 64 to move upwards, the transmission rod 76 can move with a certain gap on the two limiting rods 641, the transmission rod can be realized through the first strip-shaped hole 761 and the second strip-shaped hole 762, the limiting rod 641 and the transmission rod 76 can be prevented from being separated by the sliding contact of the second limiting ring 642 on the surface of the transmission rod 76, the first inner sliding rod 64 can stably slide along the second sliding sleeve 63 when moving upwards, the upward movement of the first inner sliding rod 64 drives the expanding head 65 to move upwards, the upward movement of the expanding head 65 drives the clamping pliers 66 to rotate around the fixed shaft 623, the top of the clamping pliers 66 can be opened, when the clamping jaw 66 is opened, the clamping jaw 66 needs to overcome the elastic force of the third stretching spring 662 to move, when the limiting clamping block 663 moves in the opposite direction and is separated from the T-shaped column 67, the T-shaped column 67 can move upwards without being limited, the T-shaped column 67 can move upwards together with the moving plate 68, the moving plate 68 is powered by the elastic force of the fourth stretching spring 683 when moving upwards, the moving plate 68 moves upwards to drive the third strong magnet 682 and the limiting foot 681 to move upwards until the limiting foot 681 moves upwards and contacts with the bottom of the pressing shell 51, a certain gap is formed between the moving plate 68 and the pressing shell 51 through the limiting foot 681, the gap is enough for the second strong magnet 594 to move downwards so as to indirectly drive the single-inclined-plane clamping bar 591 to be completely separated from the inner movable rod 52, the hollow rod 611 and the magnetic contact head 612 are arranged, the magnetic contact head 612 can be magnetically fixed with the bottom of the pressing shell 51 all the time, so that the magnetic contact head 612 can be driven to move together when the pressing shell 51 moves, the magnetic contact head 612 can drive the hollow rod 611 to move up and down on the inner side of the first sliding sleeve 61, the hollow rod 611 can slide up and down stably through the first sliding sleeve 61 without deviation, and the movement of the moving plate 68 is guided through the hollow rod 611;
after the pressing shell 51 moves downwards to a certain position and drives the detecting piece 34 to bend to a certain extent, after the upper trigger plate 741 is pressed according to the working principle, finally, the moving plate 68 can move upwards by the elastic force of the fourth extension spring 683, after the limiting pin 681 contacts with the outer side of the bottom of the pressing shell 51, the third strong magnet 682 is just positioned under the second strong magnet 594 at the moment, the magnetic force generated by the third strong magnet 682 can drive the second strong magnet 594 to move downwards, the second strong magnet 594 moves downwards and can drive the spring seat 592 to overcome the elastic force of the second extension spring 593 to move downwards, the spring seat 592 can drive the single-inclined-surface clamping strip 591 to move downwards and then separate from the inner movable rod 52, at the moment, the inner movable rod 52 can move unconstrained, at the moment, the elastic force of the first compression spring 57 is released, the first compression spring 57 can push the movable shell 56 to move leftwards rapidly, the inner movable rod 52 can drive the pressing wheel 53 to separate from the detecting piece 34 rapidly, thereby the detecting piece 34 can move downwards, the reciprocating piece 34 can move back and forth in a vibration path of the inner movable rod 52 can be recorded by the vibration of the reciprocating piece 37, the vibration of the inner movable rod 52 can be quickly, the vibration of the reciprocating piece can be stopped, and the vibration of the inner movable rod 52 can be quickly moved by the vibration of the reciprocating piece is realized, and the vibration of the inner movable rod 52 is recorded by the vibration path of the vibration rod is 55;
when the detecting piece 34 is not vibrated, the detecting piece 34 needs to be detected for a plurality of times according to a certain time interval, when the detecting piece 34 needs to be vibrated again, the driving motor 41 is electrified, the threaded rod 42 is driven to rotate after the driving motor 41 is electrified so as to drive the internal thread block 43 to move upwards, the electrifying direction of the driving motor 41 is opposite to that of the prior art, the internal thread block 43 moves upwards to drive the pressing shell 51 to move upwards, at the moment, the distance between the movable shell 56 and the pressing shell 51 is far, in the overshoot of the upward movement of the movable shell 56, the movable shell 56 drives the runner bracket 58 so as to drive the pressing wheel 59 to move upwards together, the pressing wheel 59 moves along the track of the inner outer surface of the inclined top piece 24 in the upward movement process, so that when the pressing assembly 5 moves upwards, the pressing wheel 59 continuously moves rightwards, the runner bracket 58 is driven to drive the movable shell 56 to move rightwards so as to overcome the elasticity of the first compression spring 57, and the movable shell 56 drives the internal movable rod 52 to move rightwards, so that the movable rod 52 returns rightwards to be in position and is clamped with the single inclined surface clamp bar 591 again to limit;
in the process of upward movement of the pressing assembly 5, a worker can press the moving plate 68 downward by hand, so that the moving plate 68 overcomes the elasticity of the fourth extension spring 683 and moves downward to return to the original position, because the upper trigger plate 741 is not under the downward pressing force at this time, according to the principle described above, the expanding head 65 does not press the clamping pincers 66 upward, the clamping pincers 66 are under the elasticity of the third extension spring 662 and return to the original position, through the supporting plate 621 provided, two limit clamping blocks 663 can be prevented from contacting each other, the position where the top inclined surface of the limit clamping block 663 stops is realized under the flange on the lower side of the T-shaped column 67 by the supporting plate 621 provided, so that when the moving plate 68 moves downward to drive the T-shaped column 67 to move downward, the inclined surface of the limit clamping block 663 is pushed by the T-shaped column 67, the limit clamping block 663 is expanded together with the clamping pincers 66 and then re-clamped with the upper side of the flange of the T-shaped column 67, thereby realizing complete resetting of the load spectrum acquisition device 1, and when the detecting element 34 needs to be pressed again, the above steps can be repeated.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a vibration atress load spectrum acquisition device which characterized in that: the device comprises a load spectrum acquisition device (1), wherein the load spectrum acquisition device (1) comprises a bracket component (2), a clamping component (3), a driving component (4), a pressing component (5), a control component (6) and a triggering component (7);
the clamping assembly (3) is installed at the top of support subassembly (2), install in the inboard of support subassembly (2) drive assembly (4), drive assembly (4) can control the subassembly (5) that exert pressure removes, install in the downside of subassembly (5) that exert pressure control assembly (6), install in the top of support subassembly (2) trigger assembly (7), trigger assembly (7) can control assembly (6) work.
2. The vibration stressed load spectrum acquisition device of claim 1, wherein: the support assembly (2) comprises a bottom plate (21), a top plate (22), a first connecting plate (23) and an inclined top piece (24), wherein the top plate (22) is arranged right above the bottom plate (21), the first connecting plate (23) is fixedly connected between the top plate (22) and the bottom plate (21), and the inclined top piece (24) is fixedly connected to the outer side of the top end of the top plate (22).
3. The vibration stressed load spectrum acquisition device of claim 2, wherein: clamping component (3) are including first fixed plate (31), fixed casing (32), grip block (33), detection spare (34), flexible hydraulic stem (38) and extrusion piece (39), the top outside fixedly connected with of top board (22) first fixed plate (31), the top outside fixedly connected with of first fixed plate (31) fixed casing (32), the groove of upper and lower face symmetry slope has been seted up to the inboard of fixed casing (32), and the reduction direction of the cross-section of groove is the opening direction of fixed casing (32), the inboard of fixed casing (32) is provided with upper and lower both sides slope setting grip block (33), just the inclination of grip block (33) upper and lower both sides with the inboard groove inclination of fixed casing (32) is the same, two the clamp has between grip block (33) detection spare (34), the inboard fixedly connected with of right-hand member of fixed casing (32) flexible hydraulic stem (38), the main shaft end fixedly connected with of flexible hydraulic stem (38) extrusion piece (39) the outside contact the outside of extrusion piece (39).
4. A vibration stressed load spectrum acquisition device according to claim 3, wherein: the clamping assembly (3) further comprises a first strong magnet (35), a carbon fiber support (36) and a laser emitter (37), the first strong magnet (35) is magnetically connected to the lower side of the left end of the detection piece (34), the carbon fiber support (36) is fixedly connected to the outer side of the bottom end of the first strong magnet (35), and the laser emitter (37) is fixedly connected to the inner side of one end of the carbon fiber support (36).
5. The vibration stressed load spectrum acquisition device of claim 4, wherein: the driving assembly (4) comprises a driving motor (41), a threaded rod (42) and an internal thread block (43), wherein the driving motor (41) is fixedly connected to the inner side of the bottom end of the bottom plate (21) through a bracket, the threaded rod (42) is fixedly connected to the tail end of a main shaft of the driving motor (41), and the internal thread block (43) is connected to the external thread of the threaded rod (42).
6. The vibration stressed load spectrum acquisition device of claim 5, wherein: the pressing assembly (5) comprises a pressing shell (51), an inner movable rod (52), a pressing wheel (53), a first limit ring (54), a buffer rubber ring (55), a movable shell (56), a first compression spring (57), a rotating wheel support (58) and a pressing wheel (59), wherein the outer sides of the front end and the rear end of the pressing shell (51) are respectively fixedly connected with the outer side of one end of an inner threaded block (43), the inner side of the pressing shell (51) is slidably connected with the inner movable rod (52), the right end of the inner movable rod (52) is rotationally connected with the pressing wheel (53), the outer side of the right end of the inner movable rod (52) is fixedly connected with the first limit ring (54), the outer side of the right end of the pressing shell (51) is fixedly connected with the buffer rubber ring (55), the outer side of the left end of the inner movable rod (52) is fixedly connected with the movable shell (56), the outer side of the right end of the movable shell (56) is in contact with the outer side of one end of the pressing shell (51), the outer side of the left end of the movable shell (56) is fixedly connected with the rotating wheel support (56), the outer side of the left end of the rotating wheel bracket (58) is rotatably connected with the extrusion wheel (59).
7. The vibration stressed load spectrum acquisition device of claim 6, wherein: the pressing assembly (5) further comprises a single inclined surface clamping strip (591), a spring seat (592), a second tension spring (593) and a second strong magnet (594), the inner side of the bottom end of the pressing shell (51) is connected with the single inclined surface clamping strip (591) in a sliding mode, the top end inclined surface part of the single inclined surface clamping strip (591) is clamped and connected with the inner side of the bottom end of the inner movable rod (52), the outer side of the bottom end of the single inclined surface clamping strip (591) is fixedly connected with the spring seat (592), the outer side of the top end of the spring seat (592) and the inner side of the bottom end of the pressing shell (51) are fixedly connected with the second tension spring (593), and the outer side of the bottom end of the spring seat (592) is fixedly connected with the second strong magnet (594).
8. The vibration stressed load spectrum acquisition device of claim 7, wherein: the control component (6) comprises a first sliding sleeve (61), a hollow rod (611), a magnetic contact head (612), a second connecting plate (62), a supporting plate (621), a triangular bracket (622), a fixed shaft (623), a second sliding sleeve (63) and a first inner sliding rod (64), wherein one end inner side of the first sliding sleeve (61) is connected with the hollow rod (611) in a sliding manner, the outer side of the top end of the hollow rod (611) is fixedly connected with the magnetic contact head (612), the outer side of the top end of the magnetic contact head (612) is connected with the outer side of the bottom end of the pressing shell (51) in a contact manner, one end outer end face of the first sliding sleeve (61) is fixedly connected with the second sliding sleeve (63) through the second connecting plate (62), the outer side of the bottom end of the second connecting plate (62) is fixedly connected with the outer side of the top end of the top plate (22), one end inner side of the second sliding sleeve (63) is connected with the first inner sliding rod (64), the top end of the second connecting plate (62) is fixedly connected with the top end of the triangular bracket (622), and the triangular bracket (623) is fixedly connected with the fixed shaft (623).
9. The vibration stressed load spectrum acquisition device of claim 8, wherein: the control component (6) further comprises a limiting rod (641), a second limiting ring (642), an expansion head (65), a clamping clamp (66), a limiting block (661), a third tension spring (662), a limiting clamping block (663), a T-shaped column (67), a moving plate (68), a limiting foot (681), a third strong magnet (682) and a fourth tension spring (683), one end outer side of the first inner sliding rod (64) is fixedly connected with the limiting rod (641), the front end outer side of the limiting rod (641) is fixedly connected with the second limiting ring (642), the top end outer side of the first inner sliding rod (64) is fixedly connected with the expansion head (65), the top end outer side of the expansion head (65) is in contact connection with the clamping clamp (66), the clamping clamp (66) is rotationally connected with the outer end outer side of the fixed shaft (623), one end outer side of the clamping clamp (66) is fixedly connected with the limiting block (661), the inner side of the top end of the clamping clamp (66) is fixedly connected with the third tension spring clamp (662), the top end outer side of the clamping clamp (66) is fixedly connected with the clamping clamp (663) is connected with the top end (663), the top outside fixed connection of T shape post (67) is in the bottom outside of movable plate (68), the sliding connection of movable plate (68) is in the one end outside of hollow pole (611), the one end outside fixedly connected with of movable plate (68) spacing foot (681), the left and right sides of movable plate (68) all fixedly connected with third strong magnet (682), the top outside of movable plate (68) with fixedly connected with between the bottom outside of shell (51) that applies pressure fourth extension spring (683).
10. The vibration stressed load spectrum acquisition device of claim 9, wherein: the triggering component (7) comprises a second fixing plate (71), a third sliding sleeve (72), a reinforcing plate (73), a second inner sliding rod (74), an upper triggering plate (741), a lower driven plate (742), a second compression spring (743), a rotating support (75), a transmission rod (76), a first bar-shaped hole (761), a second bar-shaped hole (762) and a side support (77), wherein the bottom end of the second fixing plate (71) is fixedly connected with the outer side of the top plate (22), the outer side of the top end of the second fixing plate (71) is fixedly connected with the reinforcing plate (73), the outer sides of the left end and the right end of the reinforcing plate (73) are fixedly connected with the third sliding sleeve (72), the inner side of one end of the third sliding sleeve (72) is fixedly connected with the second inner sliding rod (74), the outer side of the top end of the second inner sliding rod (74) is fixedly connected with the upper triggering plate (741), the outer side of the bottom end of the second inner sliding rod (74) is fixedly connected with the lower driven plate (73), the outer side of the reinforcing plate (73) is fixedly connected with the second compression spring (741),
the bottom outside fixedly connected with of lower driven plate (742) support (75) rotates in the one end outside of support (75) and is connected with transfer line (76), the left side end of transfer line (76) is provided with first bar hole (761), the one end of transfer line (76) is provided with second bar hole (762), first bar hole (761) with the one end inboard of second bar hole (762) is all sliding connection have gag lever post (641), is located the one end outside of second bar hole (762) inboard rear end outside fixed connection of gag lever post (641) is in side support (77).
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| CN202310192570.4A CN116358812B (en) | 2023-03-02 | 2023-03-02 | Vibration stress load spectrum acquisition equipment |
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| CN202310192570.4A CN116358812B (en) | 2023-03-02 | 2023-03-02 | Vibration stress load spectrum acquisition equipment |
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