Copper-clad wire tensile testing machine with good fixing effect
Technical Field
The invention belongs to the technical field of physical tests, and particularly relates to a copper-clad wire tensile testing machine with a good fixing effect.
Background
The mechanical experiment is an indispensable one in the physical course experiment, students can intuitively and clearly understand physical knowledge through the experiment, the tensile test of the material is a branch in the mechanical experiment, the students can clearly know the tensile capability strength of the material through the tensile test experiment, the correlation of elasticity and extension length is studied, and the accurate elasticity coefficient is obtained.
The invention provides a material tensile test testing machine for students in physical classes, which is characterized in that the name of the invention is 201810155171.X, and comprises a base, wherein moving wheels are arranged at four corners of the bottom of the base, a detection host and an upright post are arranged at the top of the base, a display screen is arranged on the front surface of the detection host, a motor is arranged at the bottom of the left side of the upright post, a screw is arranged at the top power output end of the motor, and a lifting block is connected to the outer wall of the screw in a threaded manner.
However, the existing copper clad wire tensile testing machine also has the problems that the copper clad wire is easy to fall off during detection, the fixing effect on the copper clad wire is poor, inconvenient movement during detection test is not needed, and the length of the rotating frame cannot be adjusted according to the use requirement.
Therefore, the copper-clad wire tensile testing machine with good fixing effect is very necessary.
Disclosure of Invention
In order to solve the technical problems, the invention provides a copper clad wire tensile testing machine with good fixing effect, which aims to solve the problems that the copper clad wire is easy to fall off during detection, the fixing effect on the copper clad wire is poor, inconvenient movement during detection test is not needed, and the length of a rotating frame cannot be adjusted according to the use requirement in the existing copper clad wire tensile testing machine. The utility model provides a copper clad line tensile testing machine that fixed effect is good, includes vertical installing frame, magic tape buckle, adjustable removal mount structure, copper clad line clamping reinforcing seat structure, lead screw, vertical U type spout, slider, the link that takes internal thread, tension sensor, horizontal fixed plate, vertical positioning tube, manual swivel mount structure, ball bearing, display screen and miniature PLC, the magic tape buckle transversely glue joint in the lower part outside of vertical installing frame and horizontal fixed plate; the adjustable movable fixing frame structure is arranged at the lower parts of the longitudinal mounting frame and the transverse fixing plate; the copper wire clamping and reinforcing seat structure is respectively arranged on the right side of the upper part of the transverse fixing plate and the lower part of the tension sensor; the screw rod is inserted into the middle position inside the ball bearing; the longitudinal U-shaped chute is arranged at the upper part of the right side of the longitudinal mounting frame; the sliding block is in sliding clamping connection with the right side of the inside of the longitudinal U-shaped chute; the connecting frame with the internal thread is in threaded connection with the outer side of the screw rod and is glued with the right side of the sliding block at the left end; the tension sensor screw is arranged on the right side of the lower part of the connecting frame with the internal thread; the transverse fixing plates are respectively and transversely welded on the upper part and the lower part of the right side of the longitudinal mounting frame; the longitudinal positioning tube is embedded in the left side of the transverse fixing plate far away from the lower end of the screw rod; the manual rotating frame structure is arranged at the upper part of the screw rod; the display screen is embedded in the lower part of the front surface of the longitudinal installation frame; the miniature PLC is embedded in the lower side of the inside of the longitudinal installation frame; the adjustable movable fixing frame structure comprises a transverse bottom plate, a shaft frame, bolts and nuts, a fixing support, a hook and loop fastener, an anti-slip support and a movable bottom wheel, wherein the transverse bottom plate is respectively arranged on the lower parts of the longitudinal installation frame and the transverse fixing plate far away from the upper end of the screw rod through screws; the shaft frames are respectively welded on the left side and the right side of the transverse bottom plate; the bolt and the nut are connected with the connecting part of the shaft frame and the fixed bracket in a threaded manner; the magic tape female buckle is glued on the outer side of the upper part of the fixed bracket; the anti-skid support is glued at the lower part of the fixed support; the movable bottom wheel screws are arranged at four corners of the middle lower part of the transverse bottom plate.
Preferably, the copper wire clamping and reinforcing seat structure comprises a connecting block, a U-shaped clamping frame, a reinforcing limiting block, a fixing nut, a jacking bolt and a jacking cushion block, wherein the connecting block is respectively arranged on the right side of the upper part of the transverse fixing plate, which is far away from the upper end of the screw rod, and the lower part of the tension sensor by bolts; the U-shaped clamping frame is welded at the upper part of the connecting block; the fixing nut is embedded in the lower part of the right side of the connecting block; the jacking bolt is in threaded connection with the middle position of the fixing nut; the jacking cushion block is glued on the left side of the jacking bolt.
Preferably, the manual rotating frame structure comprises a fixed seat, a transverse positioning tube, a transverse connecting rod, a limiting stop lever and a crank, wherein the fixed seat is welded at the upper end of the screw rod; the transverse positioning tube is transversely embedded in the middle of the fixing seat; the limiting stop rods are respectively glued at the left end and the right end of the transverse connecting rod; the crank is longitudinally welded on the left side of the upper part of the transverse connecting rod.
Preferably, the fixing support is adhered to the hook and loop fastener through the hook and loop fastener.
Preferably, the height of the limit stop lever is three to five millimeters higher than the height of the transverse positioning tube.
Preferably, the sections of the reinforcing limiting block and the jacking cushion block are respectively arranged in a semicircular shape.
Preferably, the fixing support is arranged at the lower part of the shaft frame through bolts and nuts.
Preferably, the transverse connecting rod is transversely inserted into the middle position of the inner side of the transverse positioning tube.
Preferably, grid-shaped anti-slip patterns are also carved on the outer side of the crank.
Preferably, the ball bearings are respectively embedded in the upper end and the lower end of the longitudinal positioning tube at the outer ring and the left side of the upper part of the transverse fixing plate far away from the upper end of the screw rod.
Preferably, the anti-skid support is a trapezoidal rubber support.
Preferably, the tension sensor specifically adopts a DYLF-102 tension sensor, the miniature PLC specifically adopts an FX2N miniature programmable controller, the display screen specifically adopts an LCM12864ZB display screen, and the tension sensor is electrically connected with the input end of the miniature PLC; the display screen is electrically connected with the output end of the miniature PLC.
Compared with the prior art, the invention has the beneficial effects that:
according to the copper clad wire clamping device, the sections of the reinforced limiting block and the jacking cushion block are respectively arranged in a semicircular shape, so that the jacking bolts can be screwed in the fixing nuts when the copper clad wire clamping device is used, the jacking bolts can be used for jacking copper clad wires between the jacking cushion block and the reinforced limiting block conveniently, and further the clamping and fixing degree of the copper clad wires can be improved.
According to the invention, the fixing support is arranged at the lower part of the shaft frame through the bolts and the nuts, so that the bolts and the nuts are unscrewed and the fixing support is upwards broken when detection test is needed, thereby enabling the movable bottom wheel to be in contact with the ground, pushing the longitudinal mounting frame and facilitating the movement of the testing machine.
According to the invention, the transverse connecting rod is transversely inserted in the middle position of the inner side of the transverse positioning pipe, so that the length of the transverse connecting rod inserted in the transverse positioning pipe can be randomly adjusted in use, and the length of the left end or the right end of the transverse connecting rod can be conveniently adjusted, and the labor intensity when the crank is rotated can be saved when the length of the left side is increased.
According to the invention, the fixing support is adhered to the magic tape sub-buckle through the magic tape main buckle, so that the fixing support is conveniently fixed, and the fixing support can be prevented from affecting the movement of the movable bottom wheel.
In the invention, the outer side of the crank is also provided with grid-shaped anti-skid patterns, which is beneficial to improving the anti-skid effect of the handle during use.
In the invention, the height of the limit stop lever is three to five millimeters higher than that of the transverse positioning tube, which is beneficial to preventing the transverse connecting rod from being pulled out of the transverse positioning tube when in use.
According to the invention, the ball bearings are respectively embedded in the upper and lower ends of the longitudinal positioning tube and the left side of the upper part of the transverse fixing plate, which is far away from the upper end of the screw rod, at the outer ring, so that the positioning effect on the screw rod can be better achieved during use.
According to the invention, the anti-skid support is particularly a trapezoidal rubber support, so that the anti-skid effect of the anti-skid support when the anti-skid support is contacted with the ground can be improved when the anti-skid support is used.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of an adjustable movable fixing frame structure of the present invention.
Fig. 3 is a schematic structural view of a copper clad wire clamping and reinforcing seat structure of the present invention.
Fig. 4 is a schematic structural view of the manual rotating frame structure of the present invention.
In the figure:
1. a longitudinal mounting frame; 2. magic tape fastener; 3. an adjustable moving mount structure; 31. a transverse bottom plate; 32. a shaft frame; 33. a bolt and a nut; 34. a fixed bracket; 35. a female hook of the magic tape; 36. an anti-slip bracket; 37. moving the bottom wheel; 4. the copper wire clamps the reinforcement seat structure; 41. a connecting block; 42. a U-shaped clamping frame; 43. reinforcing a limiting block; 44. a fixing nut; 45. a jack bolt; 46. jacking the cushion block; 5. a screw rod; 6. longitudinal U-shaped sliding grooves; 7. a slide block; 8. a connecting frame with internal threads; 9. a tension sensor; 10. a transverse fixing plate; 11. a longitudinal positioning tube; 12. a manual rotating frame structure; 121. a fixing seat; 122. a transverse positioning tube; 123. a transverse connecting rod; 124. a limit stop lever; 125. a crank; 13. a ball bearing; 14. a display screen; 15. miniature PLC.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
examples
As shown in fig. 1 and 2
The invention provides a copper clad wire tensile testing machine with good fixing effect, which comprises a longitudinal mounting frame 1, a magic tape buckle 2, an adjustable movable fixing frame structure 3, a copper clad wire clamping and reinforcing seat structure 4, a screw rod 5, a longitudinal U-shaped chute 6, a sliding block 7, a connecting frame 8 with internal threads, a tension sensor 9, a transverse fixing plate 10, a longitudinal positioning tube 11, a manual rotating frame structure 12, a ball bearing 13, a display screen 14 and a miniature PLC15, wherein the magic tape buckle 2 is transversely glued on the outer sides of the lower parts of the longitudinal mounting frame 1 and the transverse fixing plate 10; the adjustable movable fixing frame structure 3 is arranged at the lower parts of the longitudinal installation frame 1 and the transverse fixing plate 10; the copper wire clamping and reinforcing seat structure 4 is respectively arranged on the right side of the upper part of the transverse fixing plate 10 and the lower part of the tension sensor 9; the screw rod 5 is inserted into the middle position inside the ball bearing 13; the longitudinal U-shaped chute 6 is arranged at the upper part of the right side of the longitudinal mounting frame 1; the sliding block 7 is in sliding clamping connection with the right side inside the longitudinal U-shaped chute 6; the connecting frame 8 with internal threads is in threaded connection with the outer side of the screw rod 5 and is glued with the right side of the sliding block 7 at the left end; the tension sensor 9 is arranged on the right side of the lower part of the connecting frame 8 with the internal thread by a screw; the transverse fixing plates 10 are respectively and transversely welded on the upper part and the lower part of the right side of the longitudinal installation frame 1; the longitudinal positioning tube 11 is embedded in the left side of the transverse fixing plate 10, which is far away from the lower end of the screw rod 5; the manual rotating frame structure 12 is arranged at the upper part of the screw rod 5; the display screen 14 is embedded in the lower part of the front surface of the longitudinal mounting frame 1; the miniature PLC15 is embedded in the lower side of the inside of the longitudinal installation frame 1; the ball bearings 13 are respectively embedded into the upper and lower ends of the longitudinal positioning tube 11 and the left side of the upper part of the transverse fixing plate 10, which is far away from the upper end of the screw rod 5, at the outer ring, so that the screw rod 5 can be better positioned during use; the adjustable movable fixing frame structure 3 comprises a transverse bottom plate 31, a shaft frame 32, a bolt nut 33, a fixed bracket 34, a hook and loop fastener 35, an anti-slip bracket 36 and a movable bottom wheel 37, wherein the transverse bottom plate 31 is respectively arranged at the lower parts of the upper ends of the longitudinal mounting frame 1 and the transverse fixing plate 10, which are far away from the screw rod 5, by screws; the shaft frames 32 are respectively welded on the left side and the right side of the transverse bottom plate 31; the bolt and nut 33 is in threaded connection with the connection part of the shaft frame 32 and the fixed bracket 34; the magic tape female buckle 35 is glued on the outer side of the upper part of the fixed bracket 34; the anti-skid bracket 36 is glued on the lower part of the fixed bracket 34; the movable bottom wheels 37 are arranged at four corners of the middle lower part of the transverse bottom plate 31 by screws; the fixed bolster 34 install the lower part at the axle frame 32 through bolt nut 33, when needs detect the experiment, unscrew bolt nut 33 to upwards break the fixed bolster 34 off with fingers and thumb, thereby make and remove return pulley 37 and ground contact, thereby promote vertical installing frame 1 and conveniently remove this test machine, the fixed bolster 34 adhere on the magic tape button 2 through the magic tape button 35, thereby conveniently play the fixed bolster 34 and fix the effect, and can prevent that fixed bolster 34 from influencing and remove the return pulley 37, the anti-skidding support 36 specifically adopt trapezoidal rubber support, can improve the anti-skidding effect when anti-skidding support 36 and ground contact when using.
As shown in fig. 1 and fig. 3, in the above embodiment, specifically, the copper clad wire clamping and reinforcing seat structure 4 includes a connection block 41, a u-shaped clamping frame 42, a reinforcing limiting block 43, a fixing nut 44, a jacking bolt 45 and a jacking cushion block 46, wherein the connection block 41 is respectively and bolted to the right side of the upper part of the transverse fixing plate 10, which is far from the upper end of the screw rod 5, and the lower part of the tension sensor 9; the U-shaped clamping frame 42 is welded at the upper part of the connecting block 41; the fixing nut 44 is embedded in the lower right part of the connecting block 41; the jacking bolt 45 is in threaded connection with the middle position of the fixing nut 44; the jacking cushion block 46 is glued on the left side of the jacking bolt 45; the sections of the reinforcing limiting block 43 and the jacking cushion block 46 are respectively arranged in a semicircular shape, and the jacking bolts 45 are screwed in the fixing nuts 44 when the copper clad wire clamping device is used, so that the jacking bolts 45 are conveniently utilized to jack the copper clad wire between the jacking cushion block 46 and the reinforcing limiting block 43 tightly, and further the clamping and fixing degree of the copper clad wire can be improved.
As shown in fig. 1 and fig. 4, in the above embodiment, specifically, the manual rotating frame structure 12 includes a fixing seat 121, a transverse positioning tube 122, a transverse connecting rod 123, a limit stop lever 124 and a crank 125, where the fixing seat 121 is welded at the upper end of the screw rod 5; the transverse positioning tube 122 is transversely embedded in the middle of the fixing seat 121; the limiting stop rods 124 are respectively glued at the left end and the right end of the transverse connecting rod 123; the crank 125 is longitudinally welded on the left side of the upper part of the transverse connecting rod 123; the transverse connection pole 123 transversely peg graft in the inboard intermediate position of transverse positioning pipe 122, can adjust the length of transverse connection pole 123 grafting in transverse positioning pipe 122 at will when using, and conveniently adjust the length of transverse connection pole 123 left end or right-hand member to can save the intensity of labour when rotatory crank 125 when increasing left length, the outside of crank 125 still scribble latticed antiskid line, can improve the antiskid effect of gripping when using, the height of spacing pin 124 be higher than the height of transverse positioning pipe 122 by three millimeters to five millimeters, can prevent that transverse connection pole 123 from taking out in transverse positioning pipe 122 when using.
In the working process, when the test machine is used, a copper clad wire to be detected is placed on the inner side of the U-shaped clamping frame 42, the jacking bolt 45 is screwed in the fixing nut 44, the wire end of the copper clad wire is clamped by the reinforcing limiting block 43 and the jacking cushion block 46, then the handle is held to rotate the transverse connecting rod 123 to drive the screw rod 5 to rotate through the transverse positioning tube 122, the connecting frame 8 with internal threads is matched with the screw rod 5 to slide upwards in the longitudinal U-shaped sliding groove 6 through the sliding block 7, the tension of the copper clad wire to be detected is detected through the tension sensor 9, then the detected signal is transmitted into the display screen 14 through the micro PLC15 to display the tension value, and when the test machine is not used, the bolt and the nut 33 are unscrewed, the fixing support 34 is upwards broken, so that the movable bottom wheel 37 is contacted with the ground, and the longitudinal mounting frame 1 is pushed to conveniently move the test machine.
By using the technical scheme of the invention or under the inspired by the technical scheme of the invention, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical effects fall into the protection scope of the invention.