CN112504845B - Device and method for stretching and testing rod-shaped objects - Google Patents
Device and method for stretching and testing rod-shaped objects Download PDFInfo
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- CN112504845B CN112504845B CN202011402120.6A CN202011402120A CN112504845B CN 112504845 B CN112504845 B CN 112504845B CN 202011402120 A CN202011402120 A CN 202011402120A CN 112504845 B CN112504845 B CN 112504845B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The invention belongs to a bar-shaped object testing device and a bar-shaped object tensioning testing method, and particularly relates to a bar-shaped object tensioning testing device and a bar-shaped object tensioning testing method.
Description
Technical Field
The invention belongs to a rod-shaped object testing device, and particularly relates to a rod-shaped object stretching testing device and method.
Background
At present, both the tension test and the prestress tension are procedures required to be carried out on an engineering structural member before the engineering structural member bears external load, wherein the prestress tension can increase the durability of the structural member, improve the rigidity of the structural member and the like, and the tension test is carried out on the structural member, so that the tension test is an important standard for testing whether the structural member is qualified or not.
At present, a stretching test of a rod-shaped object is basically carried out in an integral stretching mode, namely end plates (flange plates) are arranged at two ends of the rod-shaped object to be tested, the stretching test device is used for testing the rod-shaped object by exerting force on the two end plates, wherein the end plates can be directly installed through integral forming, welding or riveting for components needing the end plates before stretching test, directly enter the next working procedure or serve as finished products for output after the test is finished, the two ends of the rod-shaped object are smooth, engineering structural members of the end plates are not needed during production and use, the end plates are needed to be installed at first during stretching test, the end plates are needed to be disassembled after the test is finished, the end plates are generally riveted or welded, the end plates are difficult to assemble with the rod-shaped object to be tested, labor cost is high during disassembling and assembling, working procedures are complex, in addition, whether the end plates are installed through welding, riveting or other modes, positioning requirements are high, deviation easily occurs, the end plates are easy to incline, the rod-shaped object to be tested is stressed unevenly, assembly cannot be carried out when the deviation positions are overlarge, and the connecting positions of the rod-shaped object to be tested and the end plates are damaged.
In the wind-powered electricity generation blade field, the crab-bolt replaces the basic ring to become the connected mode of tower section of thick bamboo and fan foundation to make the structural calculation of crab-bolt be an indispensable link in basic design, and the both ends of crab-bolt all need set up the screw thread, in the test procedure promptly, need to guarantee the integrality of accurate screw thread, can not damage the screw thread, further provide the degree of difficulty for the stretch-draw test of bolt.
Disclosure of Invention
The invention aims to solve the technical problem of providing an efficient and automatic rod-shaped object tensioning testing device, which comprises a pull-up sleeve mechanism, a tensioning mechanism and a conveying mechanism, wherein the pull-up sleeve mechanism comprises a rotary chuck for installing pull sleeves at two ends of a rod-shaped object to be tested, the tensioning mechanism comprises two pull heads which are oppositely arranged and are matched with the pull sleeves, at least one pull head is connected with a tensioning power assembly for driving the pull heads to move towards the other pull head, and two sides of the rod-shaped object to be tested are conveyed into the tensioning mechanism for tensioning testing through the conveying mechanism after the pull sleeves are installed through the rotary chuck.
Further, two rotary chucks are correspondingly arranged, and the two rotary chucks are coaxial.
Further, the connection line of the two rotating chucks is parallel to the connection line of the two sliders.
Still further, the pull-up sleeve mechanism further comprises a chuck moving mechanism, the rotating chuck is arranged on the output end of the chuck moving mechanism, and the output end of the chuck moving mechanism is arranged towards the other rotating chuck.
Furthermore, the pull head comprises two opposite clamping blocks, wherein the distance between the two clamping blocks is larger than the size of the measured rod-shaped object and smaller than the size of the pull sleeve.
Furthermore, the bottoms of the two clamping blocks are provided with limiting plates.
Still further, the pull head still includes the connecting block of being connected with two block and the sliding block of connecting two connecting blocks, block, connecting block and limiting plate enclose and close the accommodation groove that forms and be used for the accommodation sensor.
Still further, tensioning mechanism still includes two parallel arrangement's support, support opposite one side is provided with the slip mounting groove, and at least one pull head slides and sets up in the slip mounting groove.
Still further, rolling bodies are arranged on the pull head or the sliding mounting groove, and the pull head is in rolling connection with the sliding mounting groove through the rolling bodies.
Further, the tensioning power component is an air cylinder or a hydraulic cylinder.
Still further, conveying mechanism includes the mount, sets up X axle removal subassembly on the mount, sets up the Z axle removal subassembly on X axle removal subassembly output and sets up the clamping jaw subassembly at Z axle removal subassembly output.
Further, the conveying mechanism is provided with two groups in the length direction of the rod to be detected.
Further, at least one of the sets of transport mechanisms is movable in the Y-axis direction.
Still further, the spin chuck is disposed on the mount.
Still further still include the feed mechanism of setting up in pull-up cover mechanism one side, feed mechanism includes the material loading frame, sets up at least two material conveying rollers on the material loading frame.
Still further still include setting up the kickoff subassembly at the work or material rest, the kickoff subassembly includes the axle bed, sets up the pivot on the axle bed and sets up at epaxial upset board, still include the drive and grab rotatory drive arrangement at the pivot, upset board one side is located the material conveying roller below.
Further, the turnover plate comprises a receiving plate and a feeding plate which are connected with each other, and an included angle between the receiving plate and the feeding plate is more than or equal to 90 degrees.
Further, the hydraulic oil immersion device also comprises an oil immersion mechanism arranged at one side of the tensioning mechanism.
Still further, the immersion oil mechanism includes the immersion oil tank, sets up the stopper in the immersion oil tank to and the driving piece that the drive stopper moved along the immersion oil tank depth direction.
Still further, still include the unloading mechanism that sets up in immersion oil mechanism one side, unloading mechanism includes and removes the frame and set up the food tray on removing the frame.
The invention also provides a bar stretching testing device, which comprises a feeding mechanism, a pull-up sleeve mechanism, a stretching mechanism, an oil immersing mechanism, a discharging mechanism and a conveying mechanism for conveying a bar to be tested to move along the feeding mechanism to the discharging mechanism, wherein the feeding mechanism comprises a feeding frame, at least two conveying rollers arranged on the feeding frame, a stirring assembly arranged on the feeding frame, the stirring assembly comprises a shaft seat, a rotating shaft arranged on the shaft seat and a turnover plate arranged on the rotating shaft, a driving device for driving the rotation of the rotating shaft, the turnover plate comprises a bearing plate and a feeding plate which are connected with each other, an included angle between the bearing plate and the feeding plate is more than or equal to 90 DEG, the bearing plate is positioned below the conveying rollers, the pull-up sleeve mechanism comprises two corresponding rotating chucks for installing pull sleeves at two ends of the bar to be tested, the tensioning mechanism comprises two pull heads which are oppositely arranged and are used for being clamped with the pull sleeve, the pull heads comprise two clamping blocks which are oppositely arranged, the distance between the two clamping blocks is larger than the size of a measured rod-shaped object and smaller than the size of the pull sleeve, limiting plates are arranged at the bottoms of the two clamping blocks, the pull heads also comprise connecting blocks connected with the two clamping blocks and sliding blocks connected with the two connecting blocks, the clamping blocks, the connecting blocks and the limiting plates enclose to form a containing groove for containing the sensor, rolling bodies are arranged on the pull heads or the sliding mounting groove, the pull heads and the sliding mounting groove are in rolling connection through the rolling bodies, the tensioning power component is an air cylinder or a hydraulic cylinder, at least one pull head is connected with a tensioning power component for driving the pull head to move towards the other pull head, the connecting line of the two rotating chucks is parallel to the connecting line of the two pull heads, the two sides of the rod-shaped object to be tested are provided with pull sleeves through rotating chucks and then are conveyed into a tensioning mechanism through a conveying mechanism for tensioning test, after the test is finished, the rod-shaped object to be tested is conveyed to an upper pull sleeve mechanism for pulling sleeves up and down through the conveying mechanism for testing the rod-shaped object to be tested, and then is conveyed to an oil immersing mechanism for immersing oil through the conveying mechanism, the upper pull sleeve mechanism also comprises a chuck moving mechanism, the rotating chucks are arranged at the output ends of the chuck moving mechanism, the output ends of the chuck moving mechanism are arranged towards the other rotating chucks, the oil immersing mechanism comprises an oil immersing tank, a limiting block arranged in the oil immersing tank and a driving piece for driving the limiting block to move along the depth direction of the oil immersing tank, the blanking mechanism comprises a moving frame and an oil disc arranged on the moving frame, the conveying mechanism comprises a fixing frame, an X-axis moving assembly arranged on the fixing frame, a Z-axis moving assembly arranged on the output end of the X-axis moving assembly and a clamping jaw assembly arranged at the output end of the Z-axis moving assembly, two groups of conveying mechanisms are arranged in the length direction of a measured rod-shaped object, at least one group of conveying mechanisms can move along the Y-axis direction, and the rotating chuck is arranged on the fixing frame.
The invention also provides a rod stretching test method, which comprises a pull-up sleeve mechanism, a stretching mechanism and a conveying mechanism, and comprises the following steps:
the conveying mechanism conveys the measured rod-shaped object to the position of the upper pull sleeve mechanism, and the rotary chuck of the upper pull sleeve mechanism rotates the pull sleeve into two sides of the measured rod-shaped object;
the conveying mechanism conveys the rod-shaped object to be measured after the sleeve is pulled up into two pull heads of the tensioning mechanism, and the pull sleeve is clamped with the pull heads;
controlling a tensioning power assembly to carry out tensioning test;
after the test is finished, the test is conveyed to a lower pull sleeve at the position of an upper pull sleeve mechanism through a conveying mechanism and conveyed to a next station; the pull sleeve is left on the rotary chuck for the next rod to be tested.
Still further, still include the feed mechanism that sets up at one side of pull-up cover mechanism, set up the immersion oil mechanism and the unloading mechanism in tensioning mechanism one side, include:
the conveying mechanism acquires the rod-shaped objects to be tested from the feeding mechanism, sequentially conveys the rod-shaped objects to the oil immersing mechanism for immersing the rod-shaped objects into oil after the test is finished, and finally conveys the rod-shaped objects to the discharging mechanism for discharging.
The invention has the beneficial effects that the pull sleeve mechanism and the conveying mechanism are arranged, so that the automatic installation of the pull sleeve for tensioning test of the measured rod-shaped object is realized, the pull sleeve is taken down for the next measured rod-shaped object to continue to use after the test is finished, one group of pull sleeves are used for tensioning test of a plurality of measured rod-shaped objects, the pull sleeve is disassembled and assembled through the rotary chuck, the installation and the disassembly are high, the pull sleeve can be directly stopped in the rotary chuck after the pull sleeve of the measured rod-shaped object is taken down, the manual work is removed, and the full automation of the measured rod-shaped object is realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a top view of the present invention;
FIG. 4 is a schematic structural view of a feeding mechanism in the present invention;
FIG. 5 is a schematic view of the structure of the pull-up sleeve mechanism of the present invention;
FIG. 6 is a schematic view of a tensioning mechanism according to the present invention;
FIG. 7 is a schematic diagram of a slider according to the present invention;
fig. 8 is a schematic structural view of a conveying mechanism in the present invention.
In the figure, a feeding mechanism is 1; 101-feeding frames; 102, a material conveying roller; 103-axle seat; 104-a rotating shaft; 105-a flipping panel; 2-a pull-up sleeve mechanism; 201-a chuck; 202-chuck shaft seat; 203-a drive motor; 204-a skateboard; 205-a slider; 206-a bottom plate; 207-a guide rail; 208-motor I; 3-a tensioning mechanism; 301-a bracket; 3011-a sliding mounting groove; 3012-positioning holes; 3013-Y axis movement guide; 302-fixing the pull head; 3021-connecting blocks; 3022-a snap block; 3023-a limiting plate; 3024-sliding blocks; 3025-moving the wheel; 303-movable pull heads; 304-tensioning the power assembly; 305-sensor; 4-an oil immersion mechanism; 401-immersing the oil tank; 402-a driver; 403-connecting rod; 404-limiting blocks; 5-a blanking mechanism; 501-a mobile frame; 502-an oil pan; 6-a conveying mechanism; 601-fixing frame; 602-X axis moving frame; 603-X axis moving slide block; 604-Z axis drive bar; 605-a jaw assembly; 606-motor II; 607-gears; 608-rack; 610-a fixed block; 7-a rod to be tested; 8-pulling the sleeve.
Detailed Description
The following detailed description will illustrate the general principles of the invention, examples of which are shown in the accompanying drawings. In the drawings, like reference numbers indicate identical or functionally similar elements.
As shown in fig. 1-8, the invention provides a bar-shaped object stretching testing device, which comprises a pull-up sleeve mechanism 2, a stretching mechanism 3 and a conveying mechanism 6, wherein the pull-up sleeve mechanism 2 comprises rotating chucks for installing stretching sleeves 8 on two ends of a tested bar-shaped object 7, the stretching mechanism 3 comprises two opposite pull heads which are used for being matched with the stretching sleeves 8, at least one pull head is connected with a stretching power assembly 304 for driving the pull head to move towards the other pull head, and two sides of the tested bar-shaped object 7 are conveyed into the stretching mechanism 3 for stretching testing after the stretching sleeves 8 are installed through the rotating chucks.
According to the invention, mainly aiming at rod-shaped objects with clamping structures or threads on two sides, such as anchor bolts of wind power blades, the pull-up sleeve mechanism 2 and the conveying mechanism 6 are arranged, so that the rod-shaped objects 7 to be tested can be automatically installed with the pull sleeve 8 for tension test, after the test is finished, the pull sleeve 8 is taken down for the next rod-shaped objects 7 to be tested to be continuously used, one group of pull sleeves 8 are used for tension test of a plurality of rod-shaped objects 7 to be tested, the pull sleeve 8 is disassembled and assembled through the rotary chuck, the installation and the disassembly efficiency is high, the pull sleeve 8 can be directly stopped in the rotary chuck after the pull sleeve 8 of the rod-shaped objects 7 to be tested is taken down, the manual work is removed, and the full automation of the rod-shaped objects 7 to be tested is realized.
As shown in fig. 1 and 3, the two rotating chucks are correspondingly arranged, the two rotating chucks are coaxial, the two rotating chucks are arranged, the two ends of the rod-shaped object 7 to be measured are not required to be turned over through the conveying mechanism 6, the pulling sleeves 8 are directly conveyed to the middle of the two rotating chucks through the conveying mechanism 6, the rod-shaped object 7 to be measured is coaxial with the rotating chucks, and finally the rod-shaped object 7 to be measured is conveyed to the disc openings of the rotating chucks through the conveying mechanism 6 respectively, or the two rotating chucks are relatively close to be matched with the two ends of the rod-shaped object 7 to be measured, so that the working efficiency is further improved, and the installation procedure is simplified.
Furthermore, the connecting line of the two rotating chucks is parallel to the connecting line of the two pull heads, and in the two processes of pulling up the sleeve 8 and stretching, the rod-shaped object to be measured only needs to be translated through the conveying mechanism 6, so that unnecessary positioning is reduced, and the process efficiency is further improved.
As shown in fig. 5, the pull-up sleeve mechanism 2 further includes a chuck moving mechanism, the rotating chuck is disposed at an output end of the chuck moving mechanism, the output end of the chuck moving mechanism is disposed towards another rotating chuck, specifically, the rotating chuck includes a chuck 201, a chuck shaft seat 202 and a driving motor 203, the driving motor 203 drives three jaws on the chuck 201 to be relatively close to or far away from each other so as to clamp the pull sleeve 8, wherein the chuck moving mechanism includes a bottom plate 206, a sliding plate 204 slidably disposed on the bottom plate 206, and a motor i 208 for driving the sliding plate 204 to linearly move, wherein a guide rail 207 is fixedly disposed on the bottom plate 206, a slider 205 matched with the guide rail 207 is disposed on the sliding plate 204, an output end of the motor i 208 is connected with a screw rod, a screw rod is disposed on the sliding plate 204, the chuck shaft seat 202 is fixedly disposed on the slider 205, in this embodiment, the motor i 208 rotates to drive the screw rod to rotate, the screw rod drives the screw rod sleeve and the sliding plate 204 to linearly move along the direction of the guide rail 207, and drives the chuck 201 to linearly move along the axis thereof, when the conveying mechanism 6 conveys the rod 7 to be measured onto the rotating chuck, and the rod 7 is conveyed onto the rotating chuck, and the rod 7 is not required to be moved towards the rod 7 by the rotating mechanism.
As shown in fig. 7, the pull head includes two oppositely disposed engaging blocks 3022, a distance between the two engaging blocks 3022 is greater than a size of the measured rod 7 and is smaller than a size of the pull sleeve 8, the tensioning power assembly 304 drives at least one of the engaging blocks 3022 to move so as to pull the pull sleeve 8 to tension the measured rod 7, and a distance between the two engaging blocks 3022 is greater than a size of the measured rod 7 and is smaller than a size of the pull sleeve 8, so that the measured rod 7 can pass through the two engaging blocks 3022 and the pull sleeve 8 can be in contact with the two engaging blocks 3022.
The bottom of the two clamping blocks 3022 is provided with the limiting plate 3023, and the limiting plate 3023 can prevent the rod-shaped object 7 to be tested and the pull sleeve 8 from falling along the gap between the clamping blocks 3022, so that the pull sleeve 8 is always kept on the two clamping blocks 3022.
The pull head further comprises a connecting block 3021 connected with the two clamping blocks 3022 and a sliding block 3024 connected with the two connecting blocks 3021, the clamping blocks 3022, the connecting block 3021 and the limiting plate 3023 enclose to form a containing groove for containing the sensor 305, in this embodiment, the clamping blocks 3022 are connected with the tensioning power assembly 304 conveniently through the arrangement of the connecting blocks 3021 and the sliding block 3024, the clamping blocks 3022, the connecting blocks 3021 and the limiting plate 3023 enclose to form the containing groove, the sensor 305 can be arranged in the containing groove to obtain data of tensioning test, the containing groove is formed, the sensor 305 is convenient to install, and meanwhile the service life of the sensor 305 is prolonged.
As shown in fig. 6, the tensioning mechanism 3 further includes two parallel brackets 301, a sliding mounting groove 3011 is disposed on opposite sides of the brackets 301, at least one slider is slidably disposed in the sliding mounting groove 3011, the slider is slidably disposed in the sliding mounting groove 3011, and a tensioning power assembly 304 drives the slider to perform a tensioning test on the rod 7 to be tested, so that good rectilinear motion of the slider is ensured while the slider is supported, wherein the slider includes a fixed slider 302 and a movable slider 303, and the tensioning power assembly 304 is fixedly connected with the movable slider 303.
The rolling bodies are arranged on the pull head or the sliding mounting groove 3011, the pull head is in rolling connection with the sliding mounting groove 3011 through the rolling bodies, specifically, the rolling bodies are moving wheels 3025 arranged on the sliding block 3024 and/or the connecting block 3021, and the rolling bodies are arranged, so that the friction of the movement of the pull head can be reduced, and the loss of the pulling force of the tensioning power assembly 304 is avoided.
Specifically, the tensioning power assembly 304 is an air cylinder or a hydraulic cylinder, preferably a hydraulic cylinder, so as to ensure that the tension is sufficient.
As shown in fig. 1 and 8, the conveying mechanism 6 includes a fixing frame 601, an X-axis moving assembly disposed on the fixing frame 601, a Z-axis moving assembly disposed on an output end of the X-axis moving assembly, and a jaw assembly 605 disposed on an output end of the Z-axis moving assembly, where the X-axis moving assembly includes an X-axis moving frame 602 and an X-axis moving slide 603 disposed on the fixing frame 601, the X-axis moving slide 603 is slidably disposed along a length direction of the X-axis moving frame 602, and further includes a rack 608 disposed on the X-axis moving slide 603, a motor ii 606 disposed on the X-axis moving frame 602 and a gear 607 engaged with the rack 608, the motor ii 606 operates to drive the gear 607 to rotate, the gear 607 drives the X-axis moving slide 603 to move along the X-axis direction, the Z-axis moving assembly includes a Z-axis driving rod 604 slidably disposed on the X-axis moving slide 603, the rack 608 is disposed on the Z-axis driving rod 604, the gear engaged with the X-axis moving slide 603 and the motor ii 606 to rotate the driving gear 607, in this embodiment, the X-axis moving assembly and the Z-axis moving assembly are driven by the rack 608, and the Z-axis moving assembly is simply and the Z-axis moving mechanism is not required to be rotated, and the structure is greatly simplified, and the mechanism is not required to be moved.
The conveying mechanism 6 is provided with two groups in the length direction of the measured rod-shaped object 7, two groups are arranged, clamping is carried out along the length direction of the measured rod-shaped object 7 through two points, and the stability after clamping is improved.
At least one group of conveying mechanisms 6 can move along the Y-axis direction, in the embodiment, the fixing frame 601 can be adjusted along the length direction of the support 301, and can adapt to measured rod-shaped objects 7 of different types, so that the practicability of the tensioning device is improved.
The rotating chuck is arranged on the fixing frame 601, as shown in fig. 2, the rotating chuck is also arranged on the fixing frame 601, particularly the bottom plate 206 is arranged on the fixing frame 601, and when the conveying mechanism 6 adjusts the measured rod-shaped objects 7 with different types, the rotating chuck of the pull-up sleeve mechanism adjusts simultaneously, so that the efficiency is greatly improved.
As shown in fig. 1 and fig. 4, the invention further comprises a feeding mechanism 1 arranged at one side of the pull-up sleeve mechanism 2, the feeding mechanism 1 comprises a feeding frame 101 and at least two feeding rollers 102 arranged on the feeding frame 101, and the feeding mechanism 1 is arranged to facilitate feeding of the rod-shaped object 7 to be tested, wherein at least two feeding rollers 102 are arranged on the feeding frame 101 to ensure stability of the rod-shaped object 7 to be tested in the conveying process.
The feeding mechanism 1 further comprises a stirring assembly arranged on the feeding frame 101, the stirring assembly comprises a shaft seat 103, a rotating shaft 104 arranged on the shaft seat 103 and a turnover plate 105 arranged on the rotating shaft 104, and further comprises a driving device for driving the turnover plate 105 to rotate, one side of the turnover plate 105 is positioned below the feeding roller 102, a stripping assembly is arranged, the tested rod 7 needing to be subjected to tension test can be separated from the feeding roller 102 through the stripping device, the feeding roller 102 continuously conveys the tested rod 7, the tested rod 7 is clamped by the conveying mechanism 6, the working efficiency is improved, particularly as shown in fig. 4, after the tested rod 7 is conveyed onto the conveying roller 102 through other equipment, the rotating shaft 104 is driven to rotate through the driving device, the turnover plate 105 is driven to turn over, the tested rod 7 is stirred, the turnover plate 105 comprises a receiving plate and a feeding plate which are connected with each other, an included angle between the receiving plate and the feeding plate is more than or equal to 90 degrees, the receiving plate is further driven to rotate the rotating shaft 104 after receiving the tested rod 7, the tested rod 7 is conveyed onto the feeding plate 7, and the clamping mechanism is convenient to clamp the tested rod 7.
The invention also comprises an oil immersion mechanism 4 arranged at one side of the tensioning mechanism 3, and the oil immersion mechanism 4 is arranged, so that the tested rod-shaped object 7 is immersed in rust-proof oil after being tensioned and tested to be qualified, and the tested rod-shaped object is convenient to store.
The oil immersion mechanism 4 comprises an oil immersion tank 401, a limiting block 404 arranged in the oil immersion tank 401 and a driving piece 402 for driving the limiting block 404 to move along the depth direction of the oil immersion tank 401, and is used for supporting and fixing the rod-shaped object 7 to be detected by arranging the limiting block 404, and the limiting block 404 is driven to move up and down by arranging the driving piece 402, so that the rod-shaped object 7 to be detected can be immersed up and down in the oil immersion tank 401, and the oil immersion effect is improved.
The invention also comprises a blanking mechanism 5 arranged at one side of the oil immersing mechanism 4, wherein the blanking mechanism 5 comprises a movable frame 501 and an oil pan 502 arranged on the movable frame 501, the blanking mechanism 5 is arranged, and the rod-shaped objects 7 to be tested are arranged after tension test and oil immersing, so that the rod-shaped objects can enter the next working procedure conveniently.
The invention also provides a bar stretching testing device, which comprises a feeding mechanism 1, a pull-up sleeve mechanism 2, a stretching mechanism 3, an oil immersing mechanism 4, a discharging mechanism 5 and a conveying mechanism 6 for conveying the bar 7 to be tested to move along the feeding mechanism 1 to the discharging mechanism 5, wherein the feeding mechanism 1 comprises a feeding frame 101, at least two conveying rollers 102 arranged on the feeding frame 101, a stirring assembly arranged on the feeding frame 101, the stirring assembly comprises a shaft seat 103, a rotating shaft 104 arranged on the shaft seat 103 and a turnover plate 105 arranged on the rotating shaft 104, a driving device for driving the rotating shaft 104 to rotate, the turnover plate 105 comprises a bearing plate and a feeding plate which are connected with each other, an included angle between the bearing plate and the feeding plate is more than or equal to 90 DEG, the bearing plate is positioned below the conveying rollers 102, the pull-up sleeve mechanism 2 comprises two corresponding rotating chucks for installing pull sleeves 8 at two ends of a measured rod 7, the tensioning mechanism 3 comprises two opposite pull heads, the two pull heads are used for being clamped with the pull sleeves 8, the pull heads comprise two opposite clamping blocks 3022, the distance between the two clamping blocks 3022 is larger than the size of the measured rod 7 and smaller than the size of the pull sleeves 8, limiting plates 3023 are arranged at the bottoms of the two clamping blocks 3022, the pull heads further comprise connecting blocks 3021 connected with the two clamping blocks 3022 and sliding blocks 3024 connected with the two connecting blocks 3021, the clamping blocks 3022, the connecting blocks 3021 and the limiting plates 3023 enclose to form a containing groove for containing the sensor 305, rolling bodies are arranged on the pull heads or the sliding mounting grooves 3011, the pull heads and the sliding mounting grooves 3011 are in rolling connection through the rolling bodies, the tensioning power assembly 304 is an air cylinder or a hydraulic cylinder, at least one pull head is connected with a tensioning power component 304 for driving the pull head to move towards the other pull head, the connecting line of two rotating chucks is parallel to the connecting line of the two pull heads, two sides of a measured rod-shaped object 7 are conveyed into the tensioning mechanism 3 through a conveying mechanism after the pull sleeve 8 is installed through the rotating chucks, the measured rod-shaped object 7 is conveyed to the pull sleeve mechanism 2 through the conveying mechanism 6 after being tested, the next measured rod-shaped object 7 is tested, the measured rod-shaped object is conveyed to the oil immersing mechanism 4 through the conveying mechanism 6 for immersing oil, the pull sleeve mechanism 2 further comprises a chuck moving mechanism, the rotating chucks are arranged at the output ends of the chuck moving mechanism, the output ends of the chuck moving mechanism are arranged towards the other rotating chucks, the oil immersing mechanism 4 comprises an oil immersing tank 401, a limiting block 404 arranged in the oil immersing tank 401, and a driving piece 402 for driving the limiting block 404 to move along the depth direction of the oil immersing tank 401, the discharging mechanism 5 comprises a moving frame 501 and an oil disc 502 arranged on the moving frame 501, the conveying mechanism 6 comprises a fixing frame 601, an X-axis moving component arranged on the fixing frame 6 and an output shaft moving component and a Z-axis moving component arranged on the X-axis moving component and a Z-axis moving component 605 arranged on the fixing frame 6 can be arranged in the direction along the length direction of the moving mechanism 6.
The invention also provides a rod stretching test method, which comprises a pull-up sleeve mechanism 2, a stretching mechanism 3 and a conveying mechanism 6, and comprises the following steps:
the conveying mechanism 6 conveys the measured rod-shaped object 7 to the position of the upper pull sleeve mechanism 2, and the rotary chuck of the upper pull sleeve mechanism 2 rotates the pull sleeve 8 into two sides of the measured rod-shaped object 7; the conveying mechanism 6 conveys the rod-shaped object 7 to be measured after the sleeve 8 is pulled up into two pull heads of the tensioning mechanism 3, and the sleeve 8 is clamped with the pull heads; controlling the tensioning power assembly 304 to perform tensioning test; after the test is finished, the test is conveyed to a pull-down sleeve 8 at the position of the pull-up sleeve mechanism 2 through a conveying mechanism 6 and conveyed to a next station; the pull sleeve 8 is left on the spin chuck for the next rod 7 to be tested.
The method can carry out the stretching test by only matching a group of pull sleeves 8 with a plurality of tested rod-shaped objects 7, has fast disassembly and assembly process and high efficiency, can be separated from manual work, and realizes the automatic stretching test of the tested rod-shaped objects 7.
The method also comprises a feeding mechanism 1 arranged at one side of the pull-up sleeve mechanism 2, an oil immersing mechanism 4 and a discharging mechanism 5 arranged at one side of the tensioning mechanism 3, and comprises the following steps: the conveying mechanism 6 acquires the rod-shaped objects 7 to be tested from the feeding mechanism 1, sequentially conveys the rod-shaped objects 7 to the oil immersing mechanism 4 for immersing the rod-shaped objects after the test is finished, and finally conveys the rod-shaped objects to the blanking mechanism 5 for blanking.
Although the invention has been shown and described with respect to a certain embodiment, it is obvious that modifications will occur to others skilled in the art upon the reading and understanding of the specification, and the invention includes all such modifications.
Claims (23)
1. The rod-shaped object stretching testing device comprises an upward pulling sleeve mechanism, a stretching mechanism and a conveying mechanism, wherein the upward pulling sleeve mechanism comprises a rotary chuck used for installing stretching sleeves at two ends of a rod-shaped object to be tested, the stretching mechanism comprises two pull heads which are oppositely arranged and are used for being matched with the stretching sleeves, at least one pull head is connected with a stretching power assembly which drives the pull heads to move towards the other pull head, and two sides of the rod-shaped object to be tested are conveyed into the stretching mechanism for stretching testing through the conveying mechanism after the stretching sleeves are installed through the rotary chuck;
the upper pull sleeve mechanism further comprises a chuck moving mechanism, the rotating chuck is arranged at the output end of the chuck moving mechanism, the output end of the chuck moving mechanism faces to the other rotating chuck, the rotating chuck comprises a chuck, a chuck shaft seat and a driving motor, the driving motor drives three claws on the chuck to be relatively close to or far away from each other so as to clamp a pull sleeve, the chuck moving mechanism comprises a bottom plate, a sliding plate which is arranged on the bottom plate in a sliding manner, and a motor I which drives the sliding plate to move linearly, a guide rail is fixedly arranged on the bottom plate, a sliding block matched with the guide rail is arranged on the sliding plate, a screw rod is connected at the output end of the motor I, a screw sleeve matched with the screw rod is arranged on the sliding plate, and the chuck shaft seat is fixedly arranged on the sliding block;
the tensioning mechanism further comprises two brackets which are arranged in parallel, a sliding mounting groove is formed in one side, opposite to the brackets, of each bracket, at least one pull head is arranged in the sliding mounting groove in a sliding mode, the pull heads are driven by the tensioning power assembly to carry out tensioning test on a rod-shaped object to be tested, each pull head comprises a fixed pull head and a movable pull head, and the tensioning power assembly is fixedly connected with the corresponding movable pull head;
the conveying mechanism comprises a fixing frame, an X-axis moving assembly arranged on the fixing frame, a Z-axis moving assembly arranged on the output end of the X-axis moving assembly and a clamping jaw assembly arranged on the output end of the Z-axis moving assembly, wherein the X-axis moving assembly comprises an X-axis moving frame and an X-axis moving slide block arranged on the fixing frame, the X-axis moving slide block is arranged along the length direction of the X-axis moving frame in a sliding manner, a rack is arranged on the X-axis moving slide block, a gear and a motor are arranged on the X-axis moving frame in a sliding manner, the Z-axis moving assembly comprises a Z-axis driving rod arranged on the X-axis moving slide block in a sliding manner, and the Z-axis driving rod is provided with the rack and the gear and the motor.
2. A rod tension testing apparatus according to claim 1, wherein two of the spin chucks are provided coaxially with each other.
3. A stick tension test apparatus as recited in claim 2, wherein the line connecting the two spin chucks is parallel to the line connecting the two sliders.
4. A stick tension test apparatus as recited in claim 1, wherein the pull-up sleeve mechanism further comprises a chuck moving mechanism, the spin chuck being disposed on a chuck moving mechanism output, the chuck moving mechanism output being disposed toward the other spin chuck.
5. The bar tension testing device of claim 1, wherein the pull head comprises two opposite clamping blocks, the distance between the two clamping blocks is larger than the dimension of the measured bar and smaller than the dimension of the pull sleeve.
6. The bar tension testing device according to claim 5, wherein the bottom of the two clamping blocks is provided with a limiting plate.
7. The bar tension testing device as recited in claim 6, wherein the slider further comprises a connection block connected with the two clamping blocks and a sliding block connecting the two connection blocks, and the clamping blocks, the connection block and the limiting plate are enclosed to form a containing groove for containing the sensor.
8. The stick tension test apparatus of claim 1, the tension mechanism further comprising two parallel-disposed brackets, the brackets having slide mounting slots on opposite sides thereof, at least one slider slidably disposed within the slide mounting slots.
9. The bar tension testing device according to claim 8, wherein rolling bodies are arranged on the pull head or the sliding mounting groove, and the pull head and the sliding mounting groove are in rolling connection through the rolling bodies.
10. A wand tension test device as claimed in claim 1, the tension power assembly being a pneumatic or hydraulic cylinder.
11. A stick tension test apparatus as recited in any one of claims 1-10, wherein the transport mechanism comprises a mount, an X-axis moving assembly disposed on the mount, a Z-axis moving assembly disposed on an output end of the X-axis moving assembly, and a jaw assembly disposed on an output end of the Z-axis moving assembly.
12. The stick tension test apparatus according to claim 11, wherein the conveying mechanism is provided with two sets in a longitudinal direction of the stick to be tested.
13. A stick tension test apparatus as recited in claim 12, wherein at least one of the plurality of transport mechanisms is movable in the Y-axis direction.
14. A wand tension test device as claimed in claim 11, said spin chuck being provided on a fixed mount.
15. A rod tension testing apparatus as recited in any one of claims 1-10, 12-14, further comprising a loading mechanism disposed on one side of the pull-up sleeve mechanism, the loading mechanism comprising a loading frame, at least two feed rolls disposed on the loading frame.
16. The bar tension testing apparatus of claim 15, further comprising a kick-out assembly disposed on the upper frame, the kick-out assembly comprising a shaft seat, a shaft disposed on the shaft seat, and a turnover plate disposed on the shaft, and further comprising a driving device for driving the turnover plate to rotate, wherein one side of the turnover plate is disposed below the feed roller.
17. A stick tension test device as recited in claim 16, wherein the flipping panel comprises a receiving panel and a feeding panel connected to each other with an angle of 90 ° or greater between the receiving panel and the feeding panel.
18. A rod tension testing apparatus as recited in any one of claims 1-10, 12-14, further comprising an oil immersion mechanism disposed on one side of the tension mechanism.
19. A wand tension test apparatus as claimed in claim 18, said dip mechanism comprising a dip tank, a stop block disposed within the dip tank, and a drive member for driving the stop block in a direction of depth of the dip tank.
20. A stick tension test apparatus as recited in claim 18, further comprising a blanking mechanism disposed on one side of the oil immersion mechanism, the blanking mechanism comprising a movable frame and an oil pan disposed on the movable frame.
21. The utility model provides a bar-shaped object stretch-draw testing arrangement, includes feed mechanism, pull-up sleeve mechanism, straining device, immersion oil mechanism and unloading mechanism that set gradually to and carry the transport mechanism that measured bar-shaped object moved along feed mechanism to unloading mechanism, feed mechanism includes including last work or material rest, sets up at least two material conveying rollers on last work or material rest, still includes the kickoff subassembly that sets up at last work or material rest, kickoff subassembly includes the axle bed, sets up pivot and the upset board of setting on the axle bed, still includes the drive and grabs at the rotatory drive arrangement of pivot, the upset board includes interconnect's holding plate and delivery plate, and the contained angle is greater than or equal to 90 between holding plate and the delivery plate, holding plate is located the material conveying roller below, go up pull-up sleeve mechanism includes two corresponding rotating chucks that are used for the bar-shaped object both ends installation pull sleeve that are surveyed, two sliders are used for with the pull sleeve joint, the pull sleeve card, the pull head includes two relatively setting up block, two block blocks that block between two block blocks are located two block large-size and two blocks are installed to two blocks, two block size and two parallel connection, two blocks are installed to two blocks or two blocks are connected to the slider, and two blocks are connected to the draw-down cylinder block, and two parallel connection groove, and two block size of connecting block or two block sets are installed to the slider are connected to the slider, and two block sets are connected to the draw-bar-shaped object, and the slider are equipped with the draw-bar-shaped object through the draw-bar-shaped object, and the draw-bar connector, and the slider is equipped with the draw a groove to the draw-bar connector to the draw wire, the two sides of the rod-shaped object to be tested are provided with pull sleeves through rotating chucks and then are conveyed into a tensioning mechanism through a conveying mechanism for tensioning test, after the test is finished, the rod-shaped object to be tested is conveyed to an upper pull sleeve mechanism for pulling sleeves up and down through the conveying mechanism for testing the rod-shaped object to be tested, and then is conveyed to an oil immersing mechanism for immersing oil through the conveying mechanism, the upper pull sleeve mechanism also comprises a chuck moving mechanism, the rotating chucks are arranged at the output ends of the chuck moving mechanism, the output ends of the chuck moving mechanism are arranged towards the other rotating chucks, the oil immersing mechanism comprises an oil immersing tank, a limiting block arranged in the oil immersing tank and a driving piece for driving the limiting block to move along the depth direction of the oil immersing tank, the blanking mechanism comprises a moving frame and an oil disc arranged on the moving frame, the conveying mechanism comprises a fixing frame, an X-axis moving assembly arranged on the fixing frame, a Z-axis moving assembly arranged on the output end of the X-axis moving assembly and a clamping jaw assembly arranged at the output end of the Z-axis moving assembly, two groups of conveying mechanisms are arranged in the length direction of a measured rod-shaped object, at least one group of conveying mechanisms can move along the Y-axis direction, and the rotating chuck is arranged on the fixing frame.
22. A rod tension testing method of the rod tension testing apparatus according to claim 1 or 21, comprising:
the conveying mechanism conveys the measured rod-shaped object to the position of the upper pull sleeve mechanism, and the rotary chuck of the upper pull sleeve mechanism rotates the pull sleeve into two sides of the measured rod-shaped object;
the conveying mechanism conveys the rod-shaped object to be measured after the sleeve is pulled up into two pull heads of the tensioning mechanism, and the pull sleeve is clamped with the pull heads;
controlling a tensioning power assembly to carry out tensioning test;
after the test is finished, the test is conveyed to a lower pull sleeve at the position of an upper pull sleeve mechanism through a conveying mechanism and conveyed to a next station; the pull sleeve is left on the rotary chuck for the next rod to be tested.
23. The bar tension testing method as recited in claim 22, further comprising a loading mechanism provided at a side of the pull-up sleeve mechanism, an oil immersion mechanism provided at a side of the tensioning mechanism, and a discharging mechanism, comprising:
the conveying mechanism acquires the rod-shaped objects to be tested from the feeding mechanism, sequentially conveys the rod-shaped objects to the oil immersing mechanism for immersing the rod-shaped objects into oil after the test is finished, and finally conveys the rod-shaped objects to the discharging mechanism for discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011402120.6A CN112504845B (en) | 2020-12-04 | 2020-12-04 | Device and method for stretching and testing rod-shaped objects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011402120.6A CN112504845B (en) | 2020-12-04 | 2020-12-04 | Device and method for stretching and testing rod-shaped objects |
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| Publication Number | Publication Date |
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| CN112504845A CN112504845A (en) | 2021-03-16 |
| CN112504845B true CN112504845B (en) | 2023-10-13 |
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| WO2018028555A1 (en) * | 2016-08-08 | 2018-02-15 | 中国铁道科学研究院铁道建筑研究所 | Tensioning device for prefabricated track slab and synchronous relaxation device for pre-tensioned prefabricated track slab |
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| CN112504845A (en) | 2021-03-16 |
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