CN111879629B - Multifunctional pin shaft performance detection device - Google Patents
Multifunctional pin shaft performance detection device Download PDFInfo
- Publication number
- CN111879629B CN111879629B CN202010679773.2A CN202010679773A CN111879629B CN 111879629 B CN111879629 B CN 111879629B CN 202010679773 A CN202010679773 A CN 202010679773A CN 111879629 B CN111879629 B CN 111879629B
- Authority
- CN
- China
- Prior art keywords
- hole
- shaped
- groove
- positioning hole
- performance detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 45
- 238000010008 shearing Methods 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000005452 bending Methods 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 14
- 238000011056 performance test Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
-
- 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
-
- 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
-
- 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
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Fluid Pressure (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a multi-functional round pin axle performance detection device, relates to round pin axle performance detection device technical field, including base, braced frame, afterburning mechanism, briquetting, pressure sensor, performance detection auxiliary module, braced frame is equipped with square opening, the center department at braced frame's top is equipped with the nut, afterburning mechanism includes the lead screw that sets up along vertical direction, lead screw and nut threaded connection, the upper end of lead screw is connected with the handle, pressure sensor can dismantle fixed connection in the up end of briquetting, the bar through-hole that vertical direction set up has been seted up on the braced frame's of briquetting both sides lateral wall, the briquetting pass through the spring and be connected with braced frame, performance detection auxiliary module and braced frame's bottom can dismantle fixed connection, the lower extreme and the pressure sensor of lead screw mutually support each other and use, the lower extreme of briquetting is equipped with the bellying. The invention can detect the toughness and the shearing resistance of the pin shaft, is convenient to use and has high detection efficiency.
Description
Technical Field
The invention relates to the technical field of pin shaft performance detection devices, in particular to a multifunctional pin shaft performance detection device.
Background
The chain is always subjected to high-frequency vibration and alternating load in the running process, so that the chain is required to have excellent shearing resistance and fatigue resistance, the pin roll is an important component of the chain, and the toughness and shearing resistance of the pin roll have important influence on the performances of the chain. In order to ensure that the shearing resistance and toughness of the pin shaft meet the requirements, isothermal quenching and tempering treatment are generally carried out on the pin shaft, the rationality of the heat treatment process and occasional tempering brittleness can influence the shearing resistance and toughness of the pin shaft, and the toughness and shearing resistance of the pin shaft after heat treatment are required to be detected in order to ensure that the pin shaft performance is qualified.
Regarding the toughness detection of the pin shaft, related detection devices have been disclosed, such as the patent with the application number of 201610718521.X, a device for detecting the brittleness of the pin shaft is disclosed, the device amplifies the pressing force by using a jack and a lever principle, and can detect the toughness of a large-size pin shaft, but the device cannot detect the shearing resistance of the pin shaft, and has the disadvantages of large volume, being unfavorable for the toughness detection of a small-size pin shaft and low detection efficiency.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a multifunctional pin shaft performance detection device which can detect the toughness and the shearing resistance of a pin shaft, is applicable to pin shafts of various specifications, can realize the conversion of toughness detection and shearing resistance detection only by replacing simple components, and has high detection efficiency.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the utility model provides a multi-functional round pin axle performance detection device, includes base, braced frame, stressing mechanism, briquetting, pressure sensor and performance detection auxiliary module, braced frame's bottom and the upper surface fixed connection of base, braced frame's front and back terminal surface all be equipped with square opening, braced frame's top center department be equipped with the through-hole A who link up upper and lower terminal surface, be equipped with the nut in the fixed nut that is equipped with in through-hole A department, stressing mechanism include along the lead screw that sets up of vertical direction, the lower extreme of lead screw pass the nut to inside extension of braced frame, and with nut threaded connection, the upper end of lead screw fixedly equipped with fixed block, the fixed block on be equipped with through-hole B, through-hole B sliding connection have the handle in the through-hole B, pressure sensor can dismantle fixed connection in the up end of briquetting, the lateral wall of braced frame of briquetting both sides on set up the bar through-hole that sets up vertical direction, the briquetting include the briquetting main part and fixed connection in the briquetting main part both ends, the lateral wall inside the through-hole to be stretched into to with the lateral wall internal surface sliding connection of through-hole, the upper end of lead screw pass through-hole, the fixed block is equipped with the second through-hole that can be equipped with the fixed connection with the second through-hole between the fixed connection of bar-shaped sensor and the fixed connection with the bottom of the fixed connection piece and the fixed connection bolt, can be equipped with the second end of the fixed connection bolt and the end that has the fixed connection can be equipped with the fixed connection with the end between the end of bar to the bolt and the end, the protruding part is matched with the performance detection auxiliary module.
Preferably, the briquetting main part up end central point put and be equipped with the recess, the recess including being located the circular recess of lower part to and be located the square recess on upper portion, the central axis of square recess overlap with the axis of circular recess, the side length of square recess be greater than the diameter of circular recess, pressure sensor detachable fixed connection in circular recess, pressure sensor's top upwards stretch into in the square recess, square recess in still be equipped with metal gasket, metal gasket's lower extreme and pressure sensor's top fixed connection, the lower extreme of lead screw use with metal gasket cooperation.
Preferably, the bottom end of the screw rod is fixedly connected with a pressure bearing, the pressure sensor is connected with a display through a signal wire, and the display is arranged on the outer side of the supporting frame.
Preferably, a side opening is further formed in the middle of the side wall of the support frame where the lower end of the strip-shaped through hole is located, a fixing strip integrally formed with the square frame is arranged at the lower part in the side opening, and a positioning hole A is formed in the middle of the fixing strip; the performance detection module is fixedly connected with the lower part of the supporting frame through a positioning nail penetrating through the positioning hole A.
Preferably, the protruding part is a protruding part with an inverted triangle section, and the performance detection auxiliary module is a bending lower die for detecting the toughness of the pin shaft.
Preferably, the press bending lower die is of a cube-shaped structure, the lower part of the cube-shaped structure is provided with a positioning hole B penetrating through the left end face and the right end face, the middle part of the top end of the cube-shaped structure is provided with a pin shaft fixing groove along the front-back direction, and the top end of the cube-shaped structure is also provided with a V-shaped groove which is vertically crossed with the pin shaft fixing groove and is horizontally arranged; the positioning hole B is matched with the positioning hole A.
Preferably, the number of the positioning holes B is 3, namely a first positioning hole B, a second positioning hole B and a third positioning hole B; the number of the V-shaped grooves is 3, namely a first V-shaped groove, a second V-shaped groove and a third V-shaped groove, the center line of the groove bottom of the first V-shaped groove and the axis of the third positioning hole B are positioned in the same vertical plane, the center line of the groove bottom of the second V-shaped groove and the axis of the second positioning hole B are positioned in the same vertical plane, the included angles of the center lines of the groove bottom of the first V-shaped groove, the center line of the groove bottom of the second V-shaped groove and the center line of the groove bottom of the third V-shaped groove are different, and when the press bending lower die is fixed through positioning nails penetrating through the positioning hole A and the positioning hole B, the axis of the positioning hole B, the center line of the groove bottom of the V-shaped groove above the positioning hole B and the center line of the bottom of the bulge are positioned in the same vertical plane; the inner end surface of the fixing strip and the inner side wall surface of the square opening are positioned on the same plane, the width of the press bending lower die is matched with the width of the square opening, and the support frame can be pushed in or pulled out in a sliding mode of the two side wall surfaces of the press bending lower die and the inner side wall surface of the direction opening.
Preferably, the bellying be round pin axle shearing briquetting, the performance detect auxiliary module be round pin axle shearing fixing base, round pin axle shearing fixing base include with the cube shaped supporting shoe that the bending die width is the same, cube shaped supporting shoe be equipped with link up about terminal surface lower part central point put locating hole C, locating hole C and locating hole A cooperation use, be equipped with round pin axle fixture on the top of cube shaped supporting shoe and be located locating hole C's top, round pin axle fixture include fixed connection in the first fixed plate on cube shaped supporting shoe top and be located the second fixed plate of first fixed plate top, first fixed plate and second fixed plate set up along controlling the direction, be equipped with the gap between first fixed plate and second fixed plate, be equipped with along the first V-arrangement fixed slot of fore-and-aft direction setting at the middle part of second fixed plate lower terminal surface, and be equipped with the second V-arrangement fixed slot with the position of locating hole A symmetry, wait to detect the first V-arrangement fixed slot and the second fixed slot, and the lug boss A that the lug is connected with the lug, the lug is equipped with the lug boss through the lug, the lug is connected to the lug, the lug is equipped with the lug boss through the lug, the lug is connected to the lug boss is parallel with the lug, the lug is equipped with the lug boss is fixed to the lug boss.
Preferably, the bottom end of the protrusion is provided with a round corner structure of R2.
The multifunctional pin shaft performance detection device has the following beneficial effects:
1. the invention has multiple functions, namely, the toughness of the pin shaft can be detected, the shearing resistance of the pin shaft can be detected, and the invention is suitable for detecting the pin shafts with various specifications, in particular for detecting the pin shaft with the diameter smaller than or equal to 5 mm;
2. when the pin shaft detection device is used for detecting pin shafts of different types or performance of different projects, the detection can be started only by replacing simple components or displacing the performance detection auxiliary module, and the whole process is convenient to use and high in detection efficiency.
Drawings
Fig. 1: the front structure of the invention is schematically shown;
fig. 2: a cross-sectional view at B-B1 of the present invention;
fig. 3: schematic side view structure of the invention;
fig. 4: a cross-sectional view at C-C1 of the present invention;
fig. 5: a top view of the present invention;
fig. 6: the structure of the press bending lower die is schematically shown;
fig. 7: a partial enlarged view at the point of the present invention A;
fig. 8: the front view and the side view of the pin roll shearing fixing seat are provided;
fig. 9: according to the pin shaft shearing press block, a front view and a side view of the matching relation between the pin shaft shearing press block and the press block main body are provided;
1: support frame, 2: lead screw, 3: fixed block, 4: handle, 5: briquetting, 6: protrusion, 7: square opening, 8: first fixing bolt, 9: second fixing bolt, 10: spring, 11: bending a lower die, 12: pin shaft to be detected, 13: positioning nails, 14: base, 15: side openings, 16: bar-shaped through holes, 17: fixing strip, 18: positioning holes a,19: bolts B,20: bolts C,21: cube-shaped support blocks, 22: positioning holes C,23: first fixed plate, 24: second fixed plate, 25: first V-shaped fixing groove, 26: second V-shaped fixing groove, 27: bolts a,28: pin fixing groove, 29: pressure bearing, 30: pressure sensor, 31: metal gasket, 32: bumps a,33: bump B,1-1: bottom end, 1-2: top, 5-1: connecting block, 5-2: briquetting main body, 5-2-1: circular groove, 5-2-2: square groove, 5-3: screw hole, 11-1: first V-groove, 11-2: second V-groove, 11-3, third V-groove, 11-4: first positioning holes B,11-5: second positioning holes B,11-6: and a third positioning hole B.
Detailed Description
The following detailed description of the embodiments of the present invention in a stepwise manner is provided merely as a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present invention should be included in the scope of the present invention.
In the description of the present invention, it should be noted that, the positional or positional relationship indicated by the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, and specific orientation configuration and operation, and thus should not be construed as limiting the present invention.
Example 1,
As shown in fig. 1-7, a multifunctional pin performance detection device comprises a base 14, a support frame 1, a stress application mechanism, a pressing block 5, a pressure sensor 30 and a performance detection auxiliary module, wherein the bottom end 1-1 of the support frame is fixedly connected with the upper surface of the base 14, square openings 7 are respectively arranged on the front end surface and the rear end surface of the support frame 1, a through hole A penetrating through the upper end surface and the lower end surface is arranged at the center of the top end 1-2 of the support frame 1, a nut (not shown in the drawing) is fixedly arranged at the through hole A, the stress application mechanism comprises a screw rod 2 arranged along the vertical direction, the lower end of the screw rod 2 penetrates through the nut to extend into the support frame 1 and is in threaded connection with the nut, a fixed block 3 is fixedly arranged at the upper end of the screw rod 2, a through hole B is arranged on the fixed block 3, a handle 4 is slidably connected in the through hole B, the pressure sensor 30 is detachably and fixedly connected to the upper end face of the pressing block 5, the side wall of the supporting frame 1 at two sides of the pressing block 5 is provided with a strip-shaped through hole 16 arranged in the vertical direction, the pressing block 5 comprises a pressing block main body 5-2 and connecting blocks 5-1 fixedly connected to two ends of the pressing block main body 5-2, the connecting blocks 5-1 extend into the strip-shaped through hole 16 and are slidably connected with the inner surface of the side wall of the strip-shaped through hole 16, the side wall of the supporting frame 1 above the strip-shaped through hole is also provided with a first fixing bolt 8, the outer side end face of the connecting block 5-1 is provided with a second fixing bolt 9, a spring 10 is connected between the first fixing bolt 8 and the second fixing bolt 9, the performance detection auxiliary module is detachably and fixedly connected with the bottom of the supporting frame, the screw rod can be taken out or put in through the square opening, the lower end of the screw rod 2 is matched with the pressure sensor for use, the lower end of the pressing block 5 is detachably connected with a protruding part, and the protruding part is matched with the performance detection auxiliary module for use;
as shown in fig. 7, a groove is formed in the center of the upper end surface of the pressing block main body 5-2, the groove comprises a circular groove 5-2-1 at the lower part and a square groove 5-2-2 at the upper part, the central axis of the square groove 5-2-2 is overlapped with the axis of the circular groove 5-2-1, the side length of the square groove 5-2-2 is larger than the diameter of the circular groove 5-2-1, the pressure sensor 30 is detachably and fixedly connected in the circular groove 5-2-1, the top end of the pressure sensor 30 extends upwards into the square groove 5-2-2, a metal gasket 31 is further arranged in the square groove 5-2-2, the lower end of the metal gasket 31 is fixedly connected with the top end of the pressure sensor 30, and the lower end of the screw 2 is matched with the metal gasket 31;
as shown in fig. 3, a side opening 15 is further provided in the middle of the side wall of the support frame 1 where the lower end of the strip-shaped through hole 16 is located, a fixing strip 17 integrally formed with the square frame 1 is provided at the lower part in the side opening 15, and a positioning hole a18 is provided in the middle of the fixing strip 17; the press bending lower die 11 is fixedly connected with the lower part of the supporting frame 1 through a positioning nail 13 penetrating through a positioning hole A18;
as shown in fig. 2 and 3, the protruding part is a protruding part 6 with an inverted triangle cross section, and as shown in fig. 1-4, the performance detection auxiliary module is a press bending lower die 11 for detecting the toughness of the pin shaft;
as shown in fig. 6, the press bending lower die 11 is in a cube structure, the lower part of the cube structure is provided with a positioning hole B penetrating through the left end face and the right end face, the middle part of the top end of the cube structure is provided with a pin fixing groove 28 along the front-back direction, and the top end of the cube structure is also provided with a V-shaped groove which is vertically crossed with the pin fixing groove 28 and is horizontally arranged; the positioning hole B is matched with the positioning hole A18 for use;
as shown in FIG. 6, the number of the positioning holes B is 3, namely a first positioning hole B11-4, a second positioning hole B11-5 and a third positioning hole B11-6; the number of the V-shaped grooves is 3, namely a first V-shaped groove 11-1, a second V-shaped groove 11-2 and a third V-shaped groove 11-3, the bottom center line of the first V-shaped groove 11-1 and the axis of a third positioning hole B11-6 are positioned in the same vertical plane, the bottom center line of the second V-shaped groove 11-2 and the axis of a second positioning hole B11-5 are positioned in the same vertical plane, the bottom center line of the third V-shaped groove 11-3 and the axis of a first positioning hole B11-4 are positioned in the same vertical plane, the included angles of the bottoms of the first V-shaped groove 11-1, the second V-shaped groove 11-2 and the third V-shaped groove 11-3 are different, and when the press bending lower die 11 is fixed through a positioning nail 13 penetrating through a positioning hole A18 and a positioning hole B, and the bottom center line of the V-shaped groove above the positioning hole B and the bottom center line of a boss 6 are positioned in the same vertical plane; the inner end surface of the fixing strip 17 and the inner side wall surface of the square opening 7 are positioned on the same plane, the width of the press bending lower die 11 is matched with the width of the square opening 7, and the support frame 1 can be pushed in or pulled out in a mode that the two side wall surfaces of the press bending lower die 11 slide with the inner side wall surface of the direction opening 7.
The embodiment discloses a structure for detecting the toughness of a pin shaft, as shown in fig. 1-7, when the toughness of the pin shaft is required to be detected, the pin shaft 12 to be detected is placed on a pin shaft fixing groove 28 and is opposite to a corresponding V-shaped groove, a handle 4 is rotated, the lower end of a screw rod 2 is pressed down to a metal gasket 31, a pressing block 5 is pushed to move down, a protrusion 6 is pressed down to the pin shaft 12 to be detected, when the pin shaft 12 to be detected is pressed and bent to be the same with the included angle of the groove bottom of the V-shaped groove, the pin shaft to be detected is not broken, the toughness of the pin shaft to be detected is qualified, and the toughness index of the pin shaft 12 to be detected can be detected by observing a display.
Further, the axis of the positioning hole B, the central line of the bottom of the V-shaped groove above the positioning hole B and the central line of the bottom edge of the bulge 6 are positioned in the same vertical plane, so that the pin shaft 12 to be detected is ensured to be stressed uniformly, and the detection result is objective and accurate.
Furthermore, in order to adapt to the detection of the toughness of the pin shafts to be detected with different specifications, the invention is provided with a plurality of V-shaped grooves with matched positioning holes B, and when the toughness of the pin shafts with different sizes is required to be detected, the corresponding V-shaped grooves are only required to be moved to the central positions matched with the positioning holes A18 and fixed by the positioning nails 13.
EXAMPLE 2,
The present embodiment is modified on the basis of embodiment 1, specifically, as shown in fig. 7: the bottom end of the screw rod 2 is fixedly connected with a pressure bearing 29, the pressure sensor 30 is connected with a display (not shown in the figure) through a signal wire, and the display is arranged on the outer side of the supporting frame 1.
In this embodiment, in order to make the lead screw 2 and the metal washer 31 better match, the pressure bearing 29 is provided in this embodiment; further, the display is disposed at the outer side of the supporting frame 1, for example, can be fixed at the top of the supporting frame 1, so that the pressure value can be conveniently observed in real time, and the toughness data of the pin shaft 12 to be detected can be visually and visually observed.
EXAMPLE 3,
As shown in fig. 1-7, a multifunctional pin performance detection device comprises a base 14, a support frame 1, a stress application mechanism, a pressing block 5, a pressure sensor 30 and a performance detection auxiliary module, wherein the bottom end 1-1 of the support frame is fixedly connected with the upper surface of the base 14, square openings 7 are respectively arranged on the front end face and the rear end face of the support frame 1, a through hole A penetrating through the upper end face and the lower end face is arranged at the center of the top end 1-2 of the support frame 1, a nut is fixedly arranged at the through hole A, the stress application mechanism comprises a screw rod 2 arranged along the vertical direction, the lower end of the screw rod 2 penetrates through the nut to extend into the support frame 1 and is in threaded connection with the nut, a fixed block 3 is fixedly arranged at the upper end of the screw rod 2, a through hole B is arranged on the fixed block 3, a handle 4 is slidably connected to the through hole B, the pressure sensor 30 is detachably and fixedly connected to the upper end face of the pressing block 5, the side wall of the supporting frame 1 at two sides of the pressing block 5 is provided with a strip-shaped through hole 16 arranged in the vertical direction, the pressing block 5 comprises a pressing block main body 5-2 and connecting blocks 5-1 fixedly connected to two ends of the pressing block main body 5-2, the connecting blocks 5-1 extend into the strip-shaped through hole 16 and are slidably connected with the inner surface of the side wall of the strip-shaped through hole 16, the side wall of the supporting frame 1 above the strip-shaped through hole is also provided with a first fixing bolt 8, the outer side end face of the connecting block 5-1 is provided with a second fixing bolt 9, a spring 10 is connected between the first fixing bolt 8 and the second fixing bolt 9, the performance detection auxiliary module is detachably and fixedly connected with the bottom of the supporting frame, the screw rod can be taken out or put in through the square opening, the lower end of the screw rod 2 is matched with the pressure sensor for use, the lower end of the pressing block 5 is detachably connected with a protruding part, and the protruding part is matched with the performance detection auxiliary module for use;
as shown in fig. 7, a groove is formed in the center of the upper end surface of the pressing block main body 5-2, the groove comprises a circular groove 5-2-1 at the lower part and a square groove 5-2-2 at the upper part, the central axis of the square groove 5-2-2 is overlapped with the axis of the circular groove 5-2-1, the side length of the square groove 5-2-2 is larger than the diameter of the circular groove 5-2-1, the pressure sensor 30 is detachably and fixedly connected in the circular groove 5-2-1, the top end of the pressure sensor 30 extends upwards into the square groove 5-2-2, a metal gasket 31 is further arranged in the square groove 5-2-2, the lower end of the metal gasket 31 is fixedly connected with the top end of the pressure sensor 30, and the lower end of the screw 2 is matched with the metal gasket 31;
as shown in fig. 3, a side opening 15 is further provided in the middle of the side wall of the support frame 1 where the lower end of the strip-shaped through hole 16 is located, a fixing strip 17 integrally formed with the square frame 1 is provided at the lower part in the side opening 15, and a positioning hole a18 is provided in the middle of the fixing strip 17; the pin shaft shearing fixing seat is fixedly connected with the lower part of the supporting frame 1 through a positioning nail 13 penetrating through a positioning hole A18;
as shown in fig. 7 and 8, the protruding part is a pin shearing press block, the performance detection auxiliary module is a pin shearing fixing seat, the pin shearing fixing seat comprises a cubic supporting block 21 with the same width as that of the bending lower die, the cubic supporting block 21 is provided with a positioning hole C22 penetrating through the center position of the lower parts of the left end face and the right end face, the positioning hole C22 is matched with the positioning hole A18 for use, a pin clamping mechanism is arranged at the top end of the cubic supporting block 21 and above the positioning hole C22, the pin clamping mechanism comprises a first fixing plate 23 fixedly connected to the top end of the cubic supporting block 21 and a second fixing plate 24 arranged above the first fixing plate 23, the first fixing plate 23 and the second fixing plate 24 are arranged along the left direction and the right direction, a gap is arranged between the first fixing plate 23 and the second fixing plate 24, the middle part of the lower end face of the second fixing plate 24 is provided with a first V-shaped fixing groove 25 which is arranged along the front-back direction, the middle part of the upper end face of the first fixing plate 23 and the position which is symmetrical to the first V-shaped fixing groove 25 are provided with a second V-shaped fixing groove 26, the pin shaft 12 to be detected is arranged between the first V-shaped fixing groove 25 and the second V-shaped fixing groove 26, the first fixing plate 23 and the second fixing plate 24 are connected through a bolt A27, the pin shaft 12 to be detected is tightly pressed through the bolt A27, the pin shaft shearing pressing block comprises a lug A32 and a lug B33 which are arranged in parallel, the top ends of the lug A32 and the lug B33 are detachably and fixedly connected with the lower end face of the pressing block main body 5-2, a groove is formed between the lug A32 and the lug B33, the width of the groove is 0.05-0.1 mm wider than the width of the second fixing plate 24, and the groove is matched with a pin shaft clamping mechanism.
The embodiment discloses a specific structure for detecting the shearing force resistance of a pin shaft, and when the pin shaft is used, the pin shaft needs to be replaced, and the specific replacement method comprises 2 steps:
(1) Pulling out the positioning nail 13, pulling out the press bending lower die 11 from the square opening 7, unscrewing the first fixing bolts 8 at the two ends of the pressing block 5, unloading the pressure sensor at the top end of the pressing block 5, replacing the pin shaft shearing pressing block with the pressing block 5, fixing the pressure sensor 30, screwing up the first fixing bolts 8, pushing the pin shaft shearing fixing seat along the square opening 7, and fixing through the positioning nail 13;
(2) In the method, the mounting hole of the pin shaft shearing press block and the mounting hole of the bulge 6 are reserved on the lower end surface of the press block 5, threads are arranged in the mounting hole, corresponding through holes are formed in the pin shaft shearing press block and the bulge 6, and the pin shaft shearing press block or the bulge 6 is fixed on the press block 5 through countersunk screws.
EXAMPLE 4,
As shown in fig. 2 and 3, the bottom end of the protrusion 6 is provided with a rounded corner structure of R2, so as to improve the compression resistance of the protrusion and prolong the service life.
Claims (4)
1. A multi-functional round pin axle performance detection device, characterized by: the device comprises a base, a supporting frame, a stressing mechanism, a pressing block, a pressure sensor and a performance detection auxiliary module, wherein the bottom end of the supporting frame is fixedly connected with the upper surface of the base, square openings are formed in the front end face and the rear end face of the supporting frame, a through hole A penetrating through the upper end face and the lower end face is formed in the center of the top end of the supporting frame, a nut is fixedly arranged at the through hole A, the stressing mechanism comprises a screw rod arranged in the vertical direction, the lower end of the screw rod penetrates through the nut to extend towards the inside of the supporting frame and is in threaded connection with the nut, a fixed block is fixedly arranged at the upper end of the screw rod, a through hole B is formed in the fixed block, a handle is connected in a sliding mode in the through hole B, a detachable mode to the upper end face of the pressing block, a connecting block is arranged on the side wall of the supporting frame on two sides of the pressing block in a vertical direction, the connecting block comprises a pressing block main body and a connecting block fixedly connected to the two ends of the pressing block, the connecting block stretches into the inside of the bar-shaped through hole and is in sliding connection with the inner surface of the side wall of the bar-shaped through hole, a first side wall of the supporting frame above the through hole is provided with a through hole B, a through hole B is further arranged on the side wall, a second side wall above the supporting frame is provided with a second side wall of the square connecting block is fixedly connected with a second end of the pressing block, a second side of the pressing block is capable of being matched with the second side sensor is provided with a second side-shaped sensor, a second side bolt, and a second side is capable of a bolt is capable of being fixedly connected with a second side bolt is capable with a side end is capable with a lifting module, and a lifting bolt is capable with a lifting end;
the pressure sensor is detachably and fixedly connected in the circular groove, the top end of the pressure sensor extends into the square groove upwards, a metal gasket is further arranged in the square groove, the lower end of the metal gasket is fixedly connected with the top end of the pressure sensor, and the lower end of the screw rod is matched with the metal gasket;
the bottom end of the screw rod is also fixedly connected with a pressure bearing, the pressure sensor is connected with a display through a signal wire, and the display is arranged on the outer side of the supporting frame;
the middle part of the side wall of the support frame where the lower end of the strip-shaped through hole is positioned is also provided with a side opening, the lower part in the side opening is provided with a fixing strip integrally formed with the square frame, and the middle part of the fixing strip is provided with a positioning hole A; the performance detection module is fixedly connected with the lower part of the supporting frame through a positioning nail penetrating through the positioning hole A;
the bulge part is a bulge with an inverted triangle section, and the performance detection auxiliary module is a bending lower die for detecting the toughness of the pin shaft; or the bellying be round pin axle shearing briquetting, the performance detect auxiliary module be round pin axle shearing fixing base, round pin axle shearing fixing base include with the cube shaped supporting shoe that the die width is the same under the bending, cube shaped supporting shoe be equipped with the locating hole C that link up about terminal surface lower part central point put, locating hole C and locating hole A cooperation use, top and the top that is located locating hole C of cube shaped supporting shoe be equipped with round pin axle fixture, round pin axle fixture include fixed connection in the first fixed plate on cube shaped supporting shoe top and be located the second fixed plate of first fixed plate top, first fixed plate and second fixed plate set up along controlling the direction, be equipped with the gap between first fixed plate and second fixed plate, be equipped with along the first V-arrangement fixed slot of front and back direction at the middle part of first fixed plate up end, and with the symmetrical position of first V-arrangement fixed slot be equipped with the second V-arrangement fixed slot, wait to detect the round pin axle and locate between first V-arrangement fixed slot and the second V-arrangement fixed slot, and the lug boss A and the lug boss through the lug, the lug that the lug is connected with the lug boss, the lug is equipped with the lug boss through the lug boss is connected to the lug, the lug boss is equipped with the lug boss.
2. The multifunctional pin performance detection device as claimed in claim 1, wherein: the lower bending die is of a cube-shaped structure, the lower part of the cube-shaped structure is provided with a positioning hole B penetrating through the left end face and the right end face, the middle part of the top end of the cube-shaped structure is provided with a pin shaft fixing groove along the front-back direction, and the top end of the cube-shaped structure is also provided with a V-shaped groove which is vertically crossed with the pin shaft fixing groove and is horizontally arranged; the positioning hole B is matched with the positioning hole A.
3. The multifunctional pin performance detection device as claimed in claim 2, wherein: the number of the positioning holes B is 3, namely a first positioning hole B, a second positioning hole B and a third positioning hole B; the number of the V-shaped grooves is 3, namely a first V-shaped groove, a second V-shaped groove and a third V-shaped groove, the center line of the groove bottom of the first V-shaped groove and the axis of the third positioning hole B are positioned in the same vertical plane, the center line of the groove bottom of the second V-shaped groove and the axis of the second positioning hole B are positioned in the same vertical plane, the included angles of the center lines of the groove bottom of the first V-shaped groove, the center line of the groove bottom of the second V-shaped groove and the center line of the groove bottom of the third V-shaped groove are different, and when the press bending lower die is fixed through positioning nails penetrating through the positioning hole A and the positioning hole B, the axis of the positioning hole B, the center line of the groove bottom of the V-shaped groove above the positioning hole B and the center line of the bottom of the bulge are positioned in the same vertical plane; the inner end surface of the fixing strip and the inner side wall surface of the square opening are positioned on the same plane, the width of the press bending lower die is matched with the width of the square opening, and the support frame can be pushed in or pulled out in a sliding mode of the two side wall surfaces of the press bending lower die and the inner side wall surface of the square opening.
4. A multi-functional pin performance test apparatus as claimed in claim 3, wherein: the bottom of the bulge is provided with a round corner structure of R2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010679773.2A CN111879629B (en) | 2020-07-15 | 2020-07-15 | Multifunctional pin shaft performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010679773.2A CN111879629B (en) | 2020-07-15 | 2020-07-15 | Multifunctional pin shaft performance detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111879629A CN111879629A (en) | 2020-11-03 |
| CN111879629B true CN111879629B (en) | 2024-02-13 |
Family
ID=73151245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010679773.2A Active CN111879629B (en) | 2020-07-15 | 2020-07-15 | Multifunctional pin shaft performance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111879629B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607553A (en) * | 2021-08-27 | 2021-11-05 | 江苏博朗森思医疗器械有限公司 | Testing jig for cutting knife pin of anastomat |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB216266A (en) * | 1923-03-24 | 1924-05-29 | John Hummerston | A new or improved combined strain stress proportionality indicator and extensometer |
| KR20020016240A (en) * | 2000-08-25 | 2002-03-04 | 채영석 | Rectangular biaxial tension and shear test machine on plane |
| US6945553B1 (en) * | 2004-10-28 | 2005-09-20 | Gerres Ronald F | Pressure hitch |
| CN201880817U (en) * | 2010-12-09 | 2011-06-29 | 福州高意通讯有限公司 | Bending and shearing clamp for pin of papilionaceous encapsulation device |
| WO2012100780A1 (en) * | 2011-01-25 | 2012-08-02 | Aalborg Universitet | Shear and tension or compression biaxial material testing fixture |
| CN203830511U (en) * | 2014-04-18 | 2014-09-17 | 苏州铭峰精密机械有限公司 | Small-gap U-shaped end machining progressive die |
| CN205280485U (en) * | 2015-09-11 | 2016-06-01 | 河南航天精工制造有限公司 | Round pin frock for shear test |
| CN205317583U (en) * | 2016-01-06 | 2016-06-15 | 黑龙江八一农垦大学 | Many functional material mechanical test platform |
| CN205449659U (en) * | 2016-03-22 | 2016-08-10 | 山东科技大学 | Novel hardness test centre gripping device |
| CN106442148A (en) * | 2016-08-24 | 2017-02-22 | 浙江昂星链条有限公司 | Fragility detector used for chain pin shaft |
| CN106872271A (en) * | 2017-02-22 | 2017-06-20 | 江苏通鼎光电科技有限公司 | A kind of protective metal shell flaring test device |
| CN107664607A (en) * | 2017-09-21 | 2018-02-06 | 贵州航天新力铸锻有限责任公司 | Round metal pin shearing test simple frock |
| CN207066882U (en) * | 2017-08-31 | 2018-03-02 | 沧州云台山试验机厂 | A kind of Cement Intensity of Breaking Tester |
| CN207288671U (en) * | 2017-10-12 | 2018-05-01 | 宁波市四通达模具制造有限公司 | A kind of stop gauge of progressive die |
| CN207423704U (en) * | 2017-09-21 | 2018-05-29 | 江门市东业实业有限公司 | A kind of device for testing tensile force |
| CN208459138U (en) * | 2018-08-06 | 2019-02-01 | 中山市华塑塑胶科技有限公司 | Electronic universal tester |
| CN109738300A (en) * | 2018-10-31 | 2019-05-10 | 中国飞机强度研究所 | A kind of curved scissors combination test apparatus of pin shaft base part |
| CN110346223A (en) * | 2019-07-03 | 2019-10-18 | 中国商用飞机有限责任公司 | Bending shear coupling test device |
| CN110425967A (en) * | 2019-08-29 | 2019-11-08 | 青岛征和工业股份有限公司 | A kind of pin shaft bending degree detecting device |
| CN209624251U (en) * | 2018-11-28 | 2019-11-12 | 六安强力电机有限公司 | A kind of asynchronous machine shell device for detecting performance |
| CN110595896A (en) * | 2019-08-07 | 2019-12-20 | 安徽延达智能科技有限公司 | Lifting type multifunctional detection unit |
| CN210626174U (en) * | 2019-09-30 | 2020-05-26 | 扬州大学 | Small-sized multifunctional material mechanics testing machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6650102B2 (en) * | 2001-08-24 | 2003-11-18 | Symyx Technologies, Inc. | High throughput mechanical property testing of materials libraries using a piezoelectric |
| CZ306556B6 (en) * | 2015-06-23 | 2017-03-08 | České Vysoké Učení Technické V Praze, Fakulta Strojní, Ústav Materiálového Inženýrství | An indentation head, an instrumented measurement system and a method of determining mechanical properties of materials the indentation method |
-
2020
- 2020-07-15 CN CN202010679773.2A patent/CN111879629B/en active Active
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB216266A (en) * | 1923-03-24 | 1924-05-29 | John Hummerston | A new or improved combined strain stress proportionality indicator and extensometer |
| KR20020016240A (en) * | 2000-08-25 | 2002-03-04 | 채영석 | Rectangular biaxial tension and shear test machine on plane |
| US6945553B1 (en) * | 2004-10-28 | 2005-09-20 | Gerres Ronald F | Pressure hitch |
| CN201880817U (en) * | 2010-12-09 | 2011-06-29 | 福州高意通讯有限公司 | Bending and shearing clamp for pin of papilionaceous encapsulation device |
| WO2012100780A1 (en) * | 2011-01-25 | 2012-08-02 | Aalborg Universitet | Shear and tension or compression biaxial material testing fixture |
| CN203830511U (en) * | 2014-04-18 | 2014-09-17 | 苏州铭峰精密机械有限公司 | Small-gap U-shaped end machining progressive die |
| CN205280485U (en) * | 2015-09-11 | 2016-06-01 | 河南航天精工制造有限公司 | Round pin frock for shear test |
| CN205317583U (en) * | 2016-01-06 | 2016-06-15 | 黑龙江八一农垦大学 | Many functional material mechanical test platform |
| CN205449659U (en) * | 2016-03-22 | 2016-08-10 | 山东科技大学 | Novel hardness test centre gripping device |
| CN106442148A (en) * | 2016-08-24 | 2017-02-22 | 浙江昂星链条有限公司 | Fragility detector used for chain pin shaft |
| CN106872271A (en) * | 2017-02-22 | 2017-06-20 | 江苏通鼎光电科技有限公司 | A kind of protective metal shell flaring test device |
| CN207066882U (en) * | 2017-08-31 | 2018-03-02 | 沧州云台山试验机厂 | A kind of Cement Intensity of Breaking Tester |
| CN107664607A (en) * | 2017-09-21 | 2018-02-06 | 贵州航天新力铸锻有限责任公司 | Round metal pin shearing test simple frock |
| CN207423704U (en) * | 2017-09-21 | 2018-05-29 | 江门市东业实业有限公司 | A kind of device for testing tensile force |
| CN207288671U (en) * | 2017-10-12 | 2018-05-01 | 宁波市四通达模具制造有限公司 | A kind of stop gauge of progressive die |
| CN208459138U (en) * | 2018-08-06 | 2019-02-01 | 中山市华塑塑胶科技有限公司 | Electronic universal tester |
| CN109738300A (en) * | 2018-10-31 | 2019-05-10 | 中国飞机强度研究所 | A kind of curved scissors combination test apparatus of pin shaft base part |
| CN209624251U (en) * | 2018-11-28 | 2019-11-12 | 六安强力电机有限公司 | A kind of asynchronous machine shell device for detecting performance |
| CN110346223A (en) * | 2019-07-03 | 2019-10-18 | 中国商用飞机有限责任公司 | Bending shear coupling test device |
| CN110595896A (en) * | 2019-08-07 | 2019-12-20 | 安徽延达智能科技有限公司 | Lifting type multifunctional detection unit |
| CN110425967A (en) * | 2019-08-29 | 2019-11-08 | 青岛征和工业股份有限公司 | A kind of pin shaft bending degree detecting device |
| CN210626174U (en) * | 2019-09-30 | 2020-05-26 | 扬州大学 | Small-sized multifunctional material mechanics testing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111879629A (en) | 2020-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201083656Y (en) | Steel wire clamp for drawing | |
| CN111879629B (en) | Multifunctional pin shaft performance detection device | |
| CN207081617U (en) | A kind of rubbery sample compresses fastener | |
| CN201535736U (en) | Clamp for clamping hardness test sample | |
| CN202101925U (en) | Plastic fastener insertion and extraction force testing fixture | |
| CN208334103U (en) | Electric cylinder fatigue tester | |
| CN217443396U (en) | OLED aging test fixture | |
| CN102071308B (en) | Double-layer clamping device for bent axle | |
| CN210893867U (en) | Tool checking fixture for quick inspection of automobile mounting bracket | |
| CN210863394U (en) | Plastic tensile testing device | |
| CN117666184A (en) | FPC pressure head for LCD power-on detection | |
| CN210090653U (en) | Automatic testing device for switching power supply | |
| CN200965500Y (en) | Spring supporting lower fixture for direct tensile test | |
| CN2639891Y (en) | Liquid crystal screen testing clamping apparatus | |
| CN216207170U (en) | Novel automobile bumper support buckle insertion and extraction force testing device | |
| CN211553614U (en) | Withstand voltage test equipment is used in gloves production | |
| CN204731405U (en) | Direct access electric energy meter calibrating frock | |
| CN211402002U (en) | Hardness tester convenient for testing cylindrical surface of cylinder | |
| CN215640688U (en) | Scratch-resistant test pressure head device | |
| CN210210305U (en) | Fixing mechanism and test bench | |
| CN218512169U (en) | Stores pylon solder joint intensity testing arrangement | |
| CN221409286U (en) | Pressing mechanism for electronic main board test | |
| CN219416978U (en) | Light-load combined stretching and compressing experimental device | |
| CN220507913U (en) | Hole detection tool | |
| CN219875870U (en) | Jig for testing thrust of camera |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |