CN108548731B - A kind of axial workpiece radial shear limit experimental provision - Google Patents
A kind of axial workpiece radial shear limit experimental provision Download PDFInfo
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- CN108548731B CN108548731B CN201810811742.0A CN201810811742A CN108548731B CN 108548731 B CN108548731 B CN 108548731B CN 201810811742 A CN201810811742 A CN 201810811742A CN 108548731 B CN108548731 B CN 108548731B
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- 230000002146 bilateral effect Effects 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
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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
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0025—Shearing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- Seats For Vehicles (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The application discloses a kind of axial workpiece radial shear limit experimental provision, including hydraulic cylinder, upper mounted plate, lifter plate, control system, a left side for bottom plate, right two sides are fixed left respectively, right side vertical plate, it is left, the guiding mechanism of lifter plate along the vertical direction is provided in right side vertical plate, it is left, upper mounted plate is fixed in right side vertical plate upper end, fixer cylinder pressure on upper mounted plate, the piston rod of hydraulic cylinder is fixedly connected with frame, connection frame fixes lifter plate, a left side is provided on lifter plate, right rail flexible supporting device, it is left, the fixed load guide rail of right rail flexible supporting device, load installation load sliding block on guide rail, load fixed upper Cut Block on sliding block, wing bolt is screwed on upper Cut Block, and it is provided with pin hole, lower pin hole is provided on lower Cut Block, lower Cut Block is fixed on oscillating deck by pressure sensor, oscillating deck is in lower fixation Fixation position on plate is adjustable, realizes that load is born by wing bolt using left and right side guide rail flexible supporting device.
Description
Technical field
The present invention relates to a kind of shearing limit experimental provision more particularly to a kind of axial workpiece radial shear limit experiment dresses
It sets.
Background technique
Safety in production is the most important thing of manufacturing enterprise, and some equipment occur since shear strength when designing is insufficient
Safety accident, or even cause casualties, so not only Need Hierarchy Theory calculates the intensity of part, while needing to carry out intensity reality
It tests, structure is complicated for the experimental provision of current shear strength, and operating has certain difficulty, and at high cost.
The application acquires the data of pressure sensor in real time, accurately measures the radial direction of axial workpiece using automatically controlling
Shear strength；Load guide rail is provided with double-flexibility support device, realizes evacuation when loading guide rail stress；Double-flexibility guide supporting dress
It installs and is equipped with synchronizing bar, realize the load guide rail horizontal lifting of double-flexibility device connection；Upper Cut Block, lower Cut Block position is adjustable
It is whole, realize that upper shaft hole, lower shaft hole are coaxial；It is loaded using wing bolt, guarantee load guide rail and loads the essence that is slidably matched of sliding block
Degree.
Summary of the invention
It is an object of the invention to: the downside axis hole position for providing a kind of axial workpiece can adjust, and adjust upper shaft hole position
The guide rail slide block mechanism set uses flexible support, loaded automatic evacuation and the shearing limit experiment for transferring load to wing bolt
Device.
The object of the present invention is achieved like this: a kind of axial workpiece radial shear limit experimental provision, including lower fixation
Plate 2, hydraulic cylinder 5, upper mounted plate 6, lifter plate 10, load guide rail 27, load sliding block 28, left rail flexible supporting device 30,
Right rail flexible supporting device 33, control system, the bottom plate 2 are horizontally disposed in left-right direction, bottom plate 2,
Lifter plate 10, upper mounted plate 6 are arranged in parallel, and left and right side vertical plate lower end is separately fixed at the left and right portion of bottom plate, left,
The guiding mechanism along the vertical direction of lifter plate 10 is provided in right side vertical plate, upper mounted plate 6 is fixed in left and right side vertical plate upper end,
Fixer cylinder pressure 5 on upper mounted plate 6, the piston rod of hydraulic cylinder 5 extend downwardly after passing through upper mounted plate 6, the piston rod of hydraulic cylinder 5
Lower end is fixedly connected with frame 7, the fixed lifter plate 10 in 7 lower end of connection frame；
The right rail flexible supporting device 33 includes right front gear 3301, right backgear 3302, right rail
3307, right rear slider 3308, right front-slider 3312, middle position offers the perforative notch 101 of up and down direction on lifter plate 10,
Left and right side on lifter plate 10 positioned at notch 101 fixes left and right support base, the fixed water in left-right direction of left and right support base respectively
The both ends of the back support rod 31 of flat setting, front support rod 32, back support rod 31, front support rod 32 right part be rotatablely installed the right side respectively
Backgear 3302, right front gear 3301, right backgear 3302 are engaged with right front gear 3301, right backgear 3302 and right front gear
3301 number of teeth is equal, and behind the fixed right side of right backgear 3302 upper end of swing rod 3303, the fixed right front roll bar of right front gear 3301
3309 upper end, it is right after swing rod 3303, right front roll bar 3309 lower end be respectively articulated with right rear slider 3308, right front-slider 3312,
Right rear slider 3308, right front-slider 3312 are separately mounted to the rear portion of right rail 3307, front, right rear slider 3308, it is right before
Sliding block 3312 is connected by right spring 3306, the symmetrical structure of lifter plate 10, the left rail flexibility branch
The symmetrical plane bilateral symmetry of support arrangement 30 and right rail flexible supporting device 33 about the left and right directions of lifter plate 10；
The right rail 3307 is horizontally disposed with along the longitudinal direction, and right rail 3307 and left rail flexible support fill
The fixed load guide rail 27 of left rail in 30 is set, load guide rail 27 is horizontally disposed along left and right directions, loads and pacifies on guide rail 27
Equipped with load sliding block 28, the fixed upper Cut Block 20 of load sliding block 28, upper Cut Block 20 is symmetrically extended with supporting beam in two sides to the left and right
203, butterfly-type bolt 25 is combined on beam 203 supported on both sides, and pre-and post perforative upper shaft hole 201 is provided on upper Cut Block 20,
Perforative lower shaft hole 111 along the longitudinal direction, lower 11 lower end fixation pressure sensor 13 of Cut Block, pressure are provided on lower Cut Block 11
13 lower end of force snesor is fixed on oscillating deck 12, and oscillating deck one end and bottom plate 2 are rotatablely connected, and the other end is in bottom plate
Fixation position on 2 is adjustable；
Control solenoid valve, the pressure sensor 13 of hydraulic cylinder are connect by route with control system.
The axial workpiece radial shear limit experimental provision further includes rear synchronizing bar 34, preamble bar 35, described
The middle part of the fixed right front roll bar 3309 of the right end of preamble bar 35, the fixed left rail flexible support dress in the left end of preamble bar 35
The middle part of the left front swing rod in 30 is set, the right end of synchronizing bar 34, a left side for rear synchronizing bar 34 after the middle part of swing rod 3303 is fixed behind the right side
The middle part for holding the left back swing rod in fixed left rail flexible supporting device 30, to realize the left and right ends water of load guide rail 27
Flat lifting.
Swing rod 3303 behind the right side, right front roll bar 3309 lower end be respectively articulated with right rear slider 3308, right front-slider
3312 structure are as follows: the lower end of swing rod 3303 is rotatablely connected the left part of right rear pin shaft 3305, right rear slider 3308 behind the right side
It is mounted on the rear portion of right rail 3307, the right rear boss 3304 stretched out upwards, right rear boss are provided on right rear slider 3308
The middle part of 3304 fixed right rear pin shafts 3305, the front of right rail 3307 is equipped with right front-slider 3312, right front-slider 3312
It is provided with the right front boss 3313 stretched out upwards, the middle part of the fixed right front pin axis 3310 of right front boss 3313, right front pin axis 3310
Left part be rotatablely connected the lower end of right front roll bar 3309, the right part of the right part of right front pin axis 3310 and right rear pin shaft 3305 is solid respectively
The both ends of fixed right spring 3306.
The structure of the guiding mechanism along the vertical direction of lifter plate 10 is provided on the left and right side vertical plate are as follows: left side
Lower-left seat 14, upper left seat 15 are fixed in lower part, the top of vertical plate 3 respectively, and lower-left seat 14, upper left seat 15 fix left guide post 4 respectively
Upper right seat 16, bottom right seat 17 are fixed in lower end, upper end, top, the lower part of right side vertical plate 9 respectively, and bottom right seat 17, upper right seat 16 are distinguished
Lower end, the upper end of fixed right guide post 8, left guide post 4, right guide post 8 are arranged along the vertical direction, and are parallel to each other, lifter plate 10
Left end, right end are slidably matched with left guide post 4, right guide post 8 respectively.
Vertical beam 202 is extended downwardly in the middle part of upper Cut Block 20,202 lower part of vertical beam is provided with perforative upper shaft hole along the longitudinal direction
201, the left end of oscillating deck 12 is rotatablely connected with 22 upper end of pin, and 22 lower end of pin is fixed on bottom plate 2, oscillating deck 12
Right side be provided with along the longitudinal direction upper and lower through slot 121, bottom plate 2 is provided with through the adaptable position of slot 121
Threaded hole is combined with studs 24 in threaded hole, and 24 top of studs is combined with wing nut 23, and oscillating deck 12 is for adjusting
The position of whole lower Cut Block 11.
The connection frame 7 is in " several " font, the piston rod of the upper end fixer cylinder pressure 5 of connection frame 7, under connection frame 7
Hold the fixed lifter plate 10 in the both sides of zigzag shape, the left support seat 29, right support seat 36, left rail flexible supporting device
30, back support rod 31, front support rod 32, right rail flexible supporting device 33 are located at the centre on the downside of the zigzag shape of connection frame 7
In neutral gear.
The upper shaft hole 201 and 21 clearance fit of axial workpiece of upper Cut Block 20, gap are no more than 0.1mm, lower Cut Block 11
Lower shaft hole 111 and 21 clearance fit of axial workpiece, gap be no more than 0.1mm.
Notch 101 is for avoiding left rail flexible supporting device 30, right rail flexible supporting device 33, load guide rail
27, sliding block 28 is loaded, upper Cut Block 20 is located at the downside of lifter plate 10.
Load sliding block 28, which is fixed, goes up the connection that is detachably fixed that Cut Block 20 is connected by screw bolts structure, under lower Cut Block 11
End fixation pressure sensor 13 is detachably fixed connection using bolt arrangement.
The upper end of wing bolt 25, which is rotatably connected to, compresses boots 26, for protecting the lower surface of lifter plate 10 not to be subject to crushing.
Compared with prior art, the present invention has the advantage that
1. acquiring the data of pressure sensor in real time using automatically controlling, accurately measuring the radial shear of axial workpiece
Intensity；
2. load guide rail is provided with double-flexibility support device, evacuation is realized when loading guide rail stress；
3. double-flexibility support for travel way is provided with synchronizing bar, the load guide rail level liter of double-flexibility device connection is realized
Drop；
4. Cut Block, lower Cut Block position are adjustable on, realize that upper shaft hole, lower shaft hole are coaxial；
5. it is loaded using wing bolt, guarantee load guide rail and loads the precision that is slidably matched of sliding block.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram one of axial workpiece radial shear limit experimental provision.
Fig. 2 is the general structure schematic diagram two of axial workpiece radial shear limit experimental provision.
Fig. 3 is the general structure schematic diagram three of axial workpiece radial shear limit experimental provision.
Fig. 4 is that axial workpiece is fixed and the structural schematic diagram one of load measurement part.
Fig. 5 is that axial workpiece is fixed and the structural schematic diagram two of load measurement part.
Fig. 6 is the signal of axial workpiece load loading position adjustment mechanism.
Fig. 7 is the flexible support structure schematic diagram one of load load guide rail.
Fig. 8 is the flexible support structure schematic diagram two of load load guide rail.
Fig. 9 is the flexible support structure schematic diagram three of load load guide rail.
Figure 10 is the elastic tensioning structural schematic diagram between the mobile sliding block of flexible support.
Specific embodiment
In conjunction with Fig. 1~10, a kind of axial workpiece radial shear limit experimental provision of the invention, including lower bracing frame 1, under
Fixed plate 2, left side vertical plate 3, left guide post 4, hydraulic cylinder 5, upper mounted plate 6, connection frame 7, right guide post 8, right side vertical plate 9, lifter plate
10, lower Cut Block 11, oscillating deck 12, pressure sensor 13, lower-left seat 14, upper left seat 15, upper right seat 16, bottom right seat 17, on cut
It cuts seat 20, pin 22, dish shape nut 23, studs 24, butterfly-type bolt 25, compress boots 26, load guide rail 27, load sliding block
28, left support seat 29, left rail flexible supporting device 30, back support rod 31, front support rod 32, right rail flexible support dress
33, rear synchronizing bar 34, preamble bar 35, right support seat 36, control system are set, the right rail flexible supporting device 33 wraps
Include right front gear 3301, right backgear 3302, it is right after swing rod 3303, right rear pin shaft 3305, right spring 3306, right rail
3307, right rear slider 3308, right front roll bar 3309, right front pin axis 3310, right front-slider 3312,1 upper end of lower bracing frame
Fixed bottom plate 2, bottom plate 2 are horizontally disposed in left-right direction, and bottom plate 2, lifter plate 10, upper mounted plate 6 are mutually flat
Row setting, 3 lower end of left side vertical plate is fixed on 2 left part of bottom plate, and left side vertical plate 3 is arranged along the vertical direction, left side vertical plate 3 it is upper
Fixed upper mounted plate 6 is held, 9 lower end of right side vertical plate is fixed on 2 right part of bottom plate, and right side vertical plate 9 is arranged along the vertical direction, right side
The fixed upper mounted plate 6 in the upper end of vertical plate 9, left side vertical plate 3 and right side vertical plate 9 are arranged in parallel, the lower part of left side vertical plate 3, on
Lower-left seat 14, upper left seat 15 are fixed respectively by portion, and lower-left seat 14, upper left seat 15 fix lower end, the upper end of left guide post 4, right side respectively
Upper right seat 16, bottom right seat 17 are fixed in top, the lower part of vertical plate 9 respectively, and bottom right seat 17, upper right seat 16 fix right guide post 8 respectively
Lower end, upper end, left guide post 4, right guide post 8 are arranged along the vertical direction, and are parallel to each other, the left end of lifter plate 10, right end difference
It is slidably matched with left guide post 4, right guide post 8, the fixed hydraulic cylinder 5 on upper mounted plate 6, the piston rod of hydraulic cylinder 5 passes through upper
It is extended downwardly after fixed plate 6, the piston-rod lower end of hydraulic cylinder 5 is fixedly connected with frame 7, and connection frame 7 is in " several " font, connection frame 7
The fixed lifter plate 10 in the both sides of lower end zigzag shape.
Middle position offers the perforative rectangular notch 101 of up and down direction on lifter plate 10, and left support seat 29 is fixed
It is fixed on the right side of notch 101 in the left side of notch 101, right support seat 36, left support seat 29, right support seat 36 are fixed along left and right
The both ends of the horizontally disposed back support rod 31 in direction, front support rod 32, the right half of the back support rod 31, front support rod 32
It is not rotatablely installed right backgear 3302, right front gear 3301, right backgear 3302, right front gear 3301 are intermeshed, tooth behind the right side
Wheel 3302 is equal with the number of teeth of right front gear 3301, the upper end of swing rod 3303, right front gear behind the fixed right side of right backgear 3302
3301 fix the upper end of right front roll bars 3309, and side, front side are stretched out respectively backward for swing rod 3303,3309 lower part of right front roll bar behind the right side,
The lower end of swing rod 3303 is rotatablely connected the left part of right rear pin shaft 3305 behind the right side, and right rear slider 3308 is mounted on right rail 3307
Rear portion, right rear slider 3308 are provided with the fixed right rear pin shaft 3305 of the right rear boss 3304 stretched out upwards, right rear boss 3304
Middle part, the front of the right rail 3307 be equipped with right front-slider 3312, and right front-slider 3312 is provided with to be stretched out upwards
Right front boss 3313, the middle part of the fixed right front pin axis 3310 of right front boss 3313, the left part of right front pin axis 3310 is rotatablely connected right
The right part of the lower end of front roll bar 3309, the right part of right front pin axis 3310 and right rear pin shaft 3305 fixes the two of right spring 3306 respectively
End, the symmetrical structure of lifter plate 10, the left rail flexible supporting device 30 and right rail flexibility branch
Symmetrical plane bilateral symmetry of the support arrangement 33 about the left and right directions of lifter plate 10, the back support rod 31, front support rod 32
Left part be rotatablely installed left back gear 3002, left front gear 3001 respectively.
The right rail 3307 is horizontally disposed with along the longitudinal direction, and the right side in right rail flexible supporting device 33 is led
The upper surface of the fixed load guide rail 27 of left rail in rail 3307 and left rail flexible supporting device 30, loads 27 edge of guide rail
Left and right directions it is horizontally disposed, load and load sliding block 28 be installed on guide rail 27, the fixed upper Cut Block 20 of load sliding block 28, load
The fixed upper Cut Block 20 of sliding block 28 is connected by screw bolts the connection that is detachably fixed of structure, and two sides are symmetrical to the left and right for upper Cut Block 20
It is extended with supporting beam 203, butterfly-type bolt 25 is combined on beam 203 supported on both sides, the upper end of wing bolt 25 is rotatably connected to
Boots 26 are compressed, is pressed on for butterfly-type bolt 25 and compresses boots 26, the lower surface of lifter plate 10 is protected not to be subject to crushing.Upper Cut Block
20 middle parts extend downwardly vertical beam 202, and 202 lower part of vertical beam is provided with perforative upper shaft hole 201 along the longitudinal direction, on lower Cut Block 11
It is provided with perforative lower shaft hole 111 along the longitudinal direction, lower 11 lower end fixation pressure sensor 13 of Cut Block, lower 11 lower end of Cut Block
Fixation pressure sensor 13 is detachably fixed connection using bolt arrangement, and 13 lower end of pressure sensor is fixed on oscillating deck 12
On, the left end of oscillating deck 12 is rotatablely connected with 22 upper end of pin, and 22 lower end of pin is fixed on bottom plate 2, oscillating deck 12
Right side be provided with along the longitudinal direction upper and lower through slot 121, bottom plate 2 is provided with through the adaptable position of slot 121
Threaded hole is combined with studs 24 in threaded hole, and 24 top of studs is combined with wing nut 23, and oscillating deck 12 is for adjusting
The position of whole lower Cut Block 11, when moving down Cut Block 20, on the upper shaft hole 201 of upper Cut Block 20 and lower Cut Block 11 under
Axis hole 111 is coaxial.
The middle part of the fixed right front roll bar 3309 of the right end of the preamble bar 35, the fixed left side in the left end of preamble bar 35
The middle part of left front swing rod in guide rail flexible supporting device 30, it is right after swing rod 3303 middle part it is fixed after synchronizing bar 34 right end,
The middle part of left back swing rod in the fixed left rail flexible supporting device 30 in the left end of synchronizing bar 34 afterwards, realizes right front roll bar 3309
It is swung with left front swing link synchronous, swing rod 3303 and left back swing link synchronous are swung behind the right side, to realize the left and right two of load guide rail 27
Hold horizontal lifting.
Notch 101 is for avoiding left rail flexible supporting device 30, right rail flexible supporting device 33, load guide rail
27, sliding block 28 is loaded, upper Cut Block 20 is located at the downside of lifter plate 10.The left support seat 29, right support seat 36, left side are led
Rail flexible supporting device 30, back support rod 31, front support rod 32, right rail flexible supporting device 33 are located at the several of connection frame 7
In intermediate neutral gear on the downside of font.
Control solenoid valve, the pressure sensor 13 of hydraulic cylinder are connect by route with control system.
When user of service needs to be measured a certain axial workpiece radial shear limit, Cut Block 20 is replaced with, is made
The upper shaft hole 201 and 21 clearance fit of axial workpiece of Cut Block 20, gap are no more than 0.1mm, replace lower Cut Block 11, cut under making
The lower shaft hole 111 and 21 clearance fit of axial workpiece of seat 11 are cut, gap is no more than 0.1mm, unscrews two butterfly-type bolts 25, make butterfly
The compression boots 26 of 25 upper end of type bolt are not contacted with lifter plate 10, and the piston rod of control hydraulic cylinder 5 moves down, and lifter plate 10 moves down,
Upper Cut Block 20 moves down, and when up and down direction distance of the upper shaft hole 201 of upper Cut Block 20 apart from lower shaft hole 111 is 3-5mm, unscrews
Wing nut 13 adjusts the position of oscillating deck 12, and first successive step upper shaft hole 201 is located at the surface of lower shaft hole 111, controls hydraulic
The piston rod of cylinder 5 continues to move down, and when the upper shaft hole 201 and lower shaft hole 111 of upper 20 lower end of Cut Block are located at sustained height, adjustment adds
The left and right directions position of sliding block 28, the swing position of oscillating deck 12 are carried, keeps upper shaft hole 201 and lower shaft hole 111 coaxial, by axis class zero
Part 21 is inserted into upper shaft hole 201 and lower shaft hole 111, locks wing nut 23, fixed oscillating deck 12, while screwing two butterfly-type
Bolt 25 makes the upper end of two butterfly-type bolts 25 compress boots and contacts with lifter plate 10, without screwing, makes to load 28 position of sliding block not
Change, while upper Cut Block 20 continues to move down when cutting axial workpiece 21, load guide rail 27 moves up, right front gear 3301 with it is right after
Gear 3302 rotates, and right front roll bar 3309 is swung forward, and swing rod 3303 is swung backward behind the right side, right rear slider 3308 and right front-slider
3312 are located remotely from each other, and right spring 3306 is elongated, since left rail flexible supporting device 30 and right rail flexible support fill
The 33 symmetrical plane bilateral symmetries about the left and right directions of lifter plate 10, while the effect of preamble bar 35, rear synchronizing bar 34 are set,
It realizes that load guide rail 27 is horizontal to rise, load sliding block 28 is not loaded, and load is by two butterfly-type bolts 25 on upper Cut Block 20
Share, make load guide rail 27 and load sliding block 28 between the precision that is slidably matched it is unaffected, control hydraulic cylinder 5 piston rod after
Continuous to move down, until axial workpiece 21 is cut, pressure sensor 13 records the pressure change process and fracture of Cut Block 10
When limiting pressure, control system show axial workpiece 21 shear fracture limiting pressure, according to the diameter and meter of axial workpiece
Calculate shear strength.When user needs to carry out shear fracture strength detection to the axial workpiece of other axial workpieces, repeat
Above-mentioned steps.
Claims (10)
1. a kind of axial workpiece radial shear limit experimental provision, including bottom plate (2), hydraulic cylinder (5), upper mounted plate (6),
Lifter plate (10), load guide rail (27), load sliding block (28), left rail flexible supporting device (30), right rail flexibility branch
Support arrangement (33), control system, it is characterised in that: the bottom plate (2) is horizontally disposed in left-right direction, bottom plate
(2), lifter plate (10), upper mounted plate (6) are arranged in parallel, left and right side vertical plate lower end be separately fixed at bottom plate a left side,
Right part is provided with the guiding mechanism along the vertical direction of lifter plate (10) on left and right side vertical plate, and left and right side vertical plate upper end is fixed
Upper mounted plate (6), fixer cylinder pressure (5) on upper mounted plate (6), the piston rod of hydraulic cylinder (5) pass through upper mounted plate (6) it is backward under
It stretches out, the piston-rod lower end of hydraulic cylinder (5) is fixedly connected frame (7), and connection frame (7) lower end is fixed lifter plate (10)；
The right rail flexible supporting device (33) includes right front gear (3301), right backgear (3302), right rail
(3307), right rear slider (3308), right front-slider (3312), it is perforative to offer up and down direction for middle position on lifter plate (10)
Notch (101), the left and right side that notch (101) are located on lifter plate (10) fix left and right support base respectively, and left and right support base is solid
Determine the both ends of back support rod (31) horizontally disposed in left-right direction, front support rod (32), back support rod (31), front support rod
(32) right part is rotatablely installed right backgear (3302), right front gear (3301), right backgear (3302) and right front gear respectively
(3301) it engages, right backgear (3302) is equal with the number of teeth of right front gear (3301), and right backgear (3302) is put behind the fixed right side
The upper end of bar (3303), right front gear (3301) fix the upper end of right front roll bar (3309), swing rod (3303), right front roll bar behind the right side
(3309) lower end is respectively articulated with right rear slider (3308), right front-slider (3312), right rear slider (3308), right front-slider
(3312) it is separately mounted to rear portion, the front of right rail (3307), right rear slider (3308), right front-slider (3312) pass through the right side
Spring (3306) connection, the lifter plate (10) symmetrical structure, the left rail flexible supporting device (30)
Symmetrical plane bilateral symmetry with right rail flexible supporting device (33) about the left and right directions of lifter plate (10)；
The right rail (3307) is horizontally disposed with along the longitudinal direction, and right rail (3307) and left rail flexible support fill
Fixed load guide rail (27) of left rail in (30) is set, load guide rail (27) is horizontally disposed along left and right directions, loads guide rail
(27) load sliding block (28) is installed on, loads Cut Block (20) in sliding block (28) fixation, upper Cut Block (20) two sides to the left and right
It is symmetrically extended with supporting beam (203), is combined with butterfly-type bolt (25) on beam (203) supported on both sides, set on upper Cut Block (20)
It is equipped with pre-and post perforative upper shaft hole (201), perforative lower shaft hole (111) along the longitudinal direction is provided on lower Cut Block (11), under
Cut Block (11) lower end fixation pressure sensor (13), pressure sensor (13) lower end are fixed on oscillating deck (12), oscillating deck
One end and bottom plate (2) are rotatablely connected, and fixation position of the other end on bottom plate (2) is adjustable；
Control solenoid valve, the pressure sensor (13) of hydraulic cylinder are connect by route with control system.
2. axial workpiece radial shear limit experimental provision according to claim 1, it is characterised in that: the axis class zero
Part radial shear limit experimental provision further includes rear synchronizing bar (34), preamble bar (35), the right side of the preamble bar (35)
The middle part of the fixed right front roll bar (3309) in end, the left end of preamble bar (35) are fixed in left rail flexible supporting device (30)
The middle part of left front swing rod, it is right after swing rod (3303) middle part it is fixed after synchronizing bar (34) right end, the left end of rear synchronizing bar (34)
The middle part of left back swing rod in fixed left rail flexible supporting device (30), to realize the left and right ends of load guide rail (27)
Horizontal lifting.
3. axial workpiece radial shear limit experimental provision according to claim 1, it is characterised in that: put behind the right side
Bar (3303), right front roll bar (3309) lower end be respectively articulated with the structure of right rear slider (3308), right front-slider (3312) are as follows: institute
The lower end of swing rod (3303) is rotatablely connected the left part of right rear pin shaft (3305) behind the right side stated, and right rear slider (3308) is mounted on right side
The rear portion of guide rail (3307) is provided with right rear boss (3304), the right rear boss stretched out upwards on right rear slider (3308)
(3304) middle part of fixed right rear pin shaft (3305), the front of right rail (3307) are equipped with right front-slider (3312), before right
Sliding block (3312) is provided with the right front boss (3313) stretched out upwards, and right front boss (3313) is fixed in right front pin axis (3310)
Portion, the left part of right front pin axis (3310) are rotatablely connected the lower end of right front roll bar (3309), the right part of right front pin axis (3310) and the right side
The right part of rear pin shaft (3305) fixes the both ends of right spring (3306) respectively.
4. axial workpiece radial shear limit experimental provision according to claim 1, it is characterised in that: described is left and right
The structure of the guiding mechanism along the vertical direction of lifter plate (10) is provided on cant board are as follows: lower part, the top of left side vertical plate (3)
Respectively fix lower-left seat (14), upper left seat (15), lower-left seat (14), upper left seat (15) fix respectively left guide post (4) lower end, on
Upper right seat (16), bottom right seat (17), bottom right seat (17), upper right seat (16) are fixed in end, top, the lower part of right side vertical plate (9) respectively
Lower end, the upper end of right guide post (8) are fixed respectively, left guide post (4), right guide post (8) are arranged along the vertical direction, and are parallel to each other,
The left end of lifter plate (10), right end are slidably matched with left guide post (4), right guide post (8) respectively.
5. axial workpiece radial shear limit experimental provision according to claim 1, it is characterised in that: upper Cut Block (20)
Middle part extends downwardly vertical beam (202), and vertical beam (202) lower part is provided with perforative upper shaft hole (201) along the longitudinal direction, oscillating deck
(12) left end is rotatablely connected with pin (22) upper end, and pin (22) lower end is fixed on bottom plate (2), oscillating deck (12)
Right side be provided with upper and lower through slot (121), bottom plate (2) and the position being adapted through slot (121) along the longitudinal direction
It is provided with threaded hole, is combined in threaded hole studs (24), studs (24) top is combined with wing nut (23), pendulum
Movable plate (12) is used to adjust the position of lower Cut Block (11).
6. axial workpiece radial shear limit experimental provision according to claim 1-5, it is characterised in that: described
Connection frame (7) be in " several " font, the piston rod of the upper end fixer cylinder pressure (5) of connection frame (7), the lower end of connection frame (7) is several
The both sides of font are fixed lifter plate (10), the left support seat (29), right support seat (36), left rail flexible supporting device
(30), back support rod (31), front support rod (32), right rail flexible supporting device (33) are located at the zigzag shape of connection frame (7)
In the intermediate neutral gear of downside.
7. axial workpiece radial shear limit experimental provision according to claim 1-5, it is characterised in that: above cut
The upper shaft hole (201) and axial workpiece (21) clearance fit of seat (20) are cut, gap is no more than 0.1mm, under lower Cut Block (11)
Axis hole (111) and axial workpiece (21) clearance fit, gap are no more than 0.1mm.
8. axial workpiece radial shear limit experimental provision according to claim 1-5, it is characterised in that: notch
(101) for avoid left rail flexible supporting device (30), right rail flexible supporting device (33), load guide rail (27),
It loads sliding block (28), upper Cut Block (20) is located at the downside of lifter plate (10).
9. axial workpiece radial shear limit experimental provision according to claim 1-5, it is characterised in that: load
Cut Block (20) is connected by screw bolts the connection that is detachably fixed of structure in sliding block (28) fixation, and lower Cut Block (11) lower end is fixed
Pressure sensor (13) is detachably fixed connection using bolt arrangement.
10. axial workpiece radial shear limit experimental provision according to claim 1-5, it is characterised in that: butterfly
The upper end of shape bolt (25), which is rotatably connected to, compresses boots (26), for protecting the lower surface of lifter plate (10) not to be subject to crushing.
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| CN201810811742.0A CN108548731B (en) | 2018-07-23 | 2018-07-23 | A kind of axial workpiece radial shear limit experimental provision |
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| CN109773459B (en) * | 2019-03-19 | 2023-05-26 | 安阳工学院 | Differential bearing tool with computer control system and operation method |
| CN109807600B (en) * | 2019-03-19 | 2023-05-26 | 安阳工学院 | Bearing end part mounting device of forklift differential mechanism and use method |
| CN110082087B (en) * | 2019-05-13 | 2023-11-14 | 超昇速科技(无锡)有限公司 | Motor rotating shaft shearing force resistance testing tool |
| CN110455644A (en) * | 2019-08-06 | 2019-11-15 | 武汉理工大学 | The shearing test device of the two-way exciting of the soil body |
| CN113155420A (en) * | 2020-01-17 | 2021-07-23 | 天津益普科技发展有限公司 | Flexible support adjusting device for resonance rotation bending fatigue testing machine |
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| US5913246A (en) * | 1996-11-19 | 1999-06-15 | Simonelli; Robert Joseph | Mechanical stress test machine |
| CN2742427Y (en) * | 2004-11-03 | 2005-11-23 | 上海大学 | Adhesive strength tester for wood adhesive |
| CN104406841B (en) * | 2014-11-26 | 2016-11-23 | 中国人民解放军空军工程大学 | A kind of change size true triaxial multifunction test system |
| CN206627239U (en) * | 2017-04-06 | 2017-11-10 | 河南理工大学 | A kind of device for boxshear apparatus measurement shearing force |
| CN108152152A (en) * | 2018-01-03 | 2018-06-12 | 上海市城市建设设计研究总院（集团）有限公司 | Full-automatic duplex pressure at right angle device |
| CN208459177U (en) * | 2018-07-23 | 2019-02-01 | 安阳工学院 | A kind of connecting pin shear strength experimental provision |
| CN208459176U (en) * | 2018-07-23 | 2019-02-01 | 安阳工学院 | A kind of shear pin breakage limit detection device |
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