CN115655891A - Plastic building material testing machine and using method thereof - Google Patents
Plastic building material testing machine and using method thereof Download PDFInfo
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- CN115655891A CN115655891A CN202211089049.XA CN202211089049A CN115655891A CN 115655891 A CN115655891 A CN 115655891A CN 202211089049 A CN202211089049 A CN 202211089049A CN 115655891 A CN115655891 A CN 115655891A
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Abstract
The invention discloses plastic building material testing equipment and discloses a plastic building material testing machine and a using method thereof. The invention adjusts the radian of the elastic memory plate according to the bending degree of the plastic building material to be tested or the pipe diameter of the plastic pipe under the mutual matching of the designed structures such as the hydraulic cylinder, the tension meter, the traction rope, the winding roller, the wire guide wheel, the fastening bolt, the fixed teeth, the movable teeth, the second sliding groove, the buffer spring and the like, so that the plastic building material to be tested and the plastic pipe are conveniently connected and fixed, the plastic building material to be tested is only subjected to two lateral pulling forces in the testing process, the precision of a testing value can be improved to a certain extent, the counter-acting force applied to the hydraulic cylinder of the driving equipment can be weakened, a certain protection effect can be achieved on the hydraulic cylinder, and the precision of a testing and metering result can be ensured on the basis of buffering.
Description
Technical Field
The invention relates to plastic building material testing equipment, in particular to a plastic building material testing machine and a using method thereof.
Background
The plastic building material is a new star which is rising slowly in the building material industry, with the rapid growth of the industry of the housing areas in China and the increase of the investment of the infrastructure of the country, the plastic building material in China has become the second major pillar industry which is only inferior to packaging in the plastic industry, the annual speed is increased by more than 15 percent, the research, development, popularization and application pace of the industry is accelerated, the production scale of the industry is continuously enlarged, the technical level is steadily improved, particularly, plastic sections and pipes enter the stable and mature growth period and become the best plastic building material variety, new plastic pipes are applied in more than 30 percent of areas in China, some provinces and cities which develop quickly reach 90 percent, some towns in the three-east provinces, inner Mongolia and other areas, more than 40 percent of newly-built houses use plastic doors and windows, and more than 40 percent of newly-built houses use plastic windows.
The technical problem solved by the patent is that the existing steel wire mesh framework composite pipe lacks the tensile strength test and the length of a melting zone of an electric melting pipe fitting for the composite pipe is based, the steel wire mesh framework composite pipe consists of inner layer plastic, a middle reinforcing layer and outer layer plastic, wherein the bonding strength of the middle reinforcing layer and the inner and outer layers determines the key of the tensile strength of the whole pipeline, and after the pipeline is connected by electric melting, the tensile strength of the whole pipeline system depends on the connection strength of an electric melting joint. At present, no strength testing mechanism is reported, and the technical problem is solved under the mutual matching of the structures such as a tensile testing machine, a plastic composite pipe, a machine base connector, an electric melting sleeve and the like.
For example, the Chinese patent discloses "a compression and tension test device and a use method of a plastic product" (patent No. CN 108593438A), which solves the technical problems that the conventional compression and tension test device of the plastic product still has the problems of low automation degree, incapability of simultaneously performing a tension and compression test, unsatisfactory tension and compression test effect and inconvenient fixed installation of a plastic film, and the use method of the compression and tension test device of the plastic product is complicated and is inconvenient for workers to master.
However, the plastic building materials to be tested are mostly installed in a clamping manner, the stress direction of the plastic building materials to be tested includes friction, downward pressure, upward pressure and the like besides lateral tension, which easily affects the accuracy of the measured value, the installation and fixed model of the plastic building materials to be tested is single, and the detection work of the plastic building materials with various models cannot be satisfied, and when the plastic building materials to be tested are broken, a severe reaction force is generated at the moment, which easily causes a certain damage to the driving member, so that a plastic building material testing machine and a using method thereof are urgently needed in the present stage to solve the above problems,
disclosure of Invention
The invention provides a plastic building material testing machine and a using method thereof, aiming at the problems that in the prior art, the plastic building material to be tested is mostly clamped, the stress direction of the plastic building material to be tested comprises a lateral tensile force, a friction force, a downward pressure, an upward pressure and the like, the accuracy of a measured value is easily influenced, the installation and fixed model of the plastic building material to be tested is single, the detection work of the plastic building materials with various models cannot be met, a severe reaction force is generated at the moment when the plastic building material to be tested is broken, a driving part is easily damaged to a certain extent and the like.
In order to solve the technical problems, the invention is solved by the following technical scheme:
the plastic building material testing machine comprises a base, wherein a connecting seat is arranged at the top of the base, a second sliding groove is formed in the top of the connecting seat, a second sliding seat is connected to the inner side of the second sliding groove in a sliding mode, the side face of the second sliding seat is fixedly connected with the end face of the inner side of the second sliding groove through a buffer spring, the top of the second sliding seat is fixedly connected with the bottom of an elastic memory plate through a bridge-shaped connecting frame, a piston groove is formed in the side, away from the connecting seat, of the elastic memory plate, a piston is movably sleeved in the piston groove, the end of the elastic memory plate is fixedly connected with one end of a traction cable, the other end of the traction cable is wound and connected with the surface of a winding roller through a guide wire wheel, and a blocking cover is arranged on the side, away from the connecting seat, of the elastic memory plate.
Preferably, the bottom of the connecting seat is fixedly connected with a first sliding seat, the first sliding seat is slidably connected in a first sliding groove formed in the top of the base, the side surface of the first sliding seat is fixedly connected with the end surface of the inner side of the first sliding groove through a hydraulic cylinder, the surface of the first sliding seat, which is back to the hydraulic cylinder, is fixedly connected with the surface, which is close to the lateral seat through a tension meter, and the outer contour surface of the lateral seat is fixedly connected with the inner side wall of the first sliding groove.
Preferably, the wire guide wheel is located in a concave groove formed in the end portion of the platform frame, the side end portion of the wire guide wheel is fixedly connected with a transfer shaft, a first bearing is sleeved on the surface of the transfer shaft, and the first bearing is clamped on the inner side wall of the concave groove.
Preferably, a second sliding groove is formed in the position, corresponding to the first sliding seat, of the inner side wall of the first sliding groove, a second sliding block is connected in the second sliding groove in a sliding mode, and the second sliding block is fixedly connected with the opposite surface of the first connecting seat.
Preferably, a first sliding groove is formed in the position, corresponding to the second sliding seat, of the inner side wall of the second sliding groove, a first sliding block is connected in the first sliding groove in a sliding mode, and the first sliding block is fixedly connected with the opposite surface of the second connecting seat.
Preferably, the side edge of the bottom of the blocking cover is hinged to the top of the base through a second elastic hinge, one side, far away from the second elastic hinge, of the bottom of the blocking cover is connected with a magnetic buckle in an embedded mode, a magnetic sticker is attracted to the bottom of the magnetic buckle, and the magnetic sticker is connected to the top of the base in an embedded mode in a clamped mode.
Preferably, the number of the elastic memory plates is two, the two elastic memory plates are symmetrically arranged by taking the blocking cover as a reference, and sealing gaskets are fixedly connected to opposite surfaces of the two elastic memory plates.
Preferably, the surface of the winding roller is sleeved with a second bearing, the second bearing is clamped at the top of the platform frame, the surface of each winding roller is wound and connected with two traction cables, and the winding directions of the two traction cables on the surface of the winding roller are opposite.
Preferably, the fixed surface of the wind-up roll is connected with fixed teeth, the fixed teeth are mutually meshed with movable teeth arranged on the inner side wall of the movable sleeve, the end part of each movable tooth is hinged to the inner side wall of the movable sleeve through a first elastic hinge, a third bearing is sleeved on the surface of the movable sleeve and is connected to the inner side wall of a clamping groove formed in the top of the platform frame, a threaded hole is formed in the side surface of the platform frame corresponding to the movable sleeve, a fastening bolt is connected to the end part of the fastening bolt, close to the movable sleeve, of the threaded hole in an internal thread manner, a threaded rod is fixedly connected to one surface of the piston, which deviates from the sealing gasket, a threaded cylinder is connected to the surface of the threaded rod in a threaded manner, a fourth bearing is sleeved on the surface of the threaded cylinder, and the fourth bearing is connected to one surface, which deviates from the sealing gasket, of the elastic memory plate.
A use method of a plastic building material testing machine comprises the following process flows:
step S1: the winding roller is twisted, so that the traction cable can be wound and connected on the surface of the winding roller, the torsion acting on the winding roller is removed, and the stability of the winding roller can be ensured under the mutual matching of the fixed teeth and the movable teeth;
step S2: after the radian of the elastic memory plate is changed, the side end face of the plastic building material to be tested is attached to the sealing pad, the threaded cylinder is twisted to rotate in the fourth bearing, and under the combined action effect of the torsion and the thread biting force, the piston can be pulled to move to one side away from the plastic building material to be tested, so that the piston groove is in a negative pressure state, the suction force of the negative pressure on the plastic building material to be tested is utilized, and the plastic building material to be tested can be only subjected to two lateral tension forces in the testing process, so that the accuracy of a testing value can be improved to a certain degree;
and step S3: after the installation work of the plastic building material to be tested is finished, the hydraulic cylinder is controlled to operate, the hydraulic cylinder can apply lateral tension to the plastic building material to be tested through the elastic memory plate in the retraction action process until the plastic building material to be tested is pulled apart by the tension, and because the elastic memory plate applies the lateral tension to the plastic part to be tested, one surface of the second sliding seat, which is far away from the buffer spring, is always attached and connected with the end surface of the inner side of the second sliding groove, the tension is the same as the tension value measured by the tension meter, and the accuracy of a test metering result can be ensured on the basis of buffering;
and step S4: when the plastic building material to be tested is fractured, the second sliding seat can drive the first sliding block to slide in the sliding groove, so that the stability of the plastic building material to be tested in the stress direction can be improved to a certain degree, the buffer spring can play a certain buffer effect and can weaken the reaction force applied to the hydraulic cylinder of the driving device, the hydraulic cylinder can be protected to a certain degree, and the blocking cover is used for preventing fragments of the plastic building material to be tested from being scattered to the periphery at the fracture moment.
Due to the adoption of the technical scheme, the invention has the remarkable technical effects that:
1. the invention adjusts the radian of the elastic memory plate according to the bending degree of the plastic building material to be tested or the pipe diameter of the plastic pipe under the mutual matching of the designed structures such as the hydraulic cylinder, the tension meter, the traction cable, the winding roller, the wire guide wheel, the fastening bolt, the fixed teeth, the movable teeth, the threaded rod, the threaded cylinder, the second sliding groove, the buffer spring and the like, so that the plastic building material to be tested and the plastic pipe are conveniently connected and fixed, the plastic building material to be tested is only subjected to two lateral pulling forces in the testing process, the precision of a testing value can be improved to a certain degree, the reaction force applied to the hydraulic cylinder of the driving equipment can be weakened, a certain protection effect can be achieved on the hydraulic cylinder, and the precision of a testing and metering result can be ensured on the basis of buffering.
2. According to the invention, through the designed first sliding seat, the first sliding groove, the second sliding seat, the connecting seat, the hydraulic cylinder and the tension meter, after the installation work of the plastic building material to be tested is completed, the hydraulic cylinder is controlled to operate, the hydraulic cylinder can apply lateral tension to the plastic building material to be tested through the elastic memory plate in the retraction action process until the plastic building material to be tested is pulled apart by the tension, and because the elastic memory plate applies the lateral tension to the plastic part to be tested, one surface of the second sliding seat, which is far away from the buffer spring, is always attached and connected with the end surface on the inner side of the second sliding groove, the tension is the same as the tension value measured by the tension meter, and the precision of a test metering result can be ensured on the basis of buffering.
3. According to the invention, by twisting the winding roller through the designed traction cable, the winding roller, the wire guide wheel, the fastening bolt, the threaded hole, the fixed teeth, the movable teeth and the movable sleeve, the traction cable can be wound and connected on the surface of the winding roller, the torsion acting on the winding roller is removed, and the stability of the winding roller can be ensured under the mutual matching of the fixed teeth and the movable teeth.
4. According to the invention, through the designed threaded rod, the threaded cylinder, the fourth bearing and the sealing gasket, after the radian of the elastic memory plate is changed, the side end surface of the plastic building material to be tested is attached to the sealing gasket, the threaded cylinder is twisted to rotate in the fourth bearing, and under the combined action effect of torsion and thread biting force, the piston can be pulled to move towards one side away from the plastic building material to be tested, so that the piston groove is in a negative pressure state, and the suction force of the negative pressure on the plastic building material to be tested is utilized, so that the plastic building material to be tested can be only subjected to two lateral tension forces in the testing process, and the accuracy of a testing value can be improved to a certain extent.
5. According to the invention, through the designed first sliding groove, the first sliding block, the second sliding groove and the buffer spring, when the plastic building material to be tested is fractured, the second sliding seat can drive the first sliding block to slide in the sliding groove, so that the stability of the plastic building material to be tested in the stress direction can be improved to a certain extent, and the buffer spring can play a certain buffer effect, can weaken the counter-acting force applied to the hydraulic cylinder as a driving device, and can play a certain protection effect on the hydraulic cylinder.
6. According to the invention, through the designed separation cover, the separation cover can be opened and closed through the second elastic hinge, and when the magnetic buckle is separated from the magnetic paste, the sealing cover is in a half-opened state, so that the operation of workers is facilitated, and the separation cover is used for preventing fragments generated at the moment of fracture of the plastic building material to be tested from drifting around.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is an enlarged schematic view of the structure at a in the present invention.
Fig. 3 is an enlarged schematic view of the structure at C in the present invention.
Fig. 4 is a schematic perspective view of the base of the present invention.
FIG. 5 is a schematic cross-sectional view of the horizontal plate of the present invention.
FIG. 6 is an enlarged view of the structure at B in the present invention.
The names of the parts designated by the numerical references in the drawings are as follows:
1. a base; 2. a connecting seat; 3. a first sliding seat; 4. a first sliding groove; 5. a tension meter; 6. a hydraulic cylinder; 7. a lateral square seat; 8. a second sliding groove; 9. a second sliding seat; 10. a buffer spring; 11. an elastic memory plate; 12. a traction cable; 13. a wire guide wheel; 14. a wind-up roll; 15. a platform frame; 16. a concave groove; 17. a transfer shaft; 18. a first bearing; 19. a second bearing; 20. fixing teeth; 21. a movable tooth; 22. a first elastic hinge; 23. a movable sleeve; 24. a third bearing; 25. a card slot; 26. a threaded hole; 27. fastening a bolt; 28. a first chute; 29. a first slider; 30. a barrier shield; 31. a second elastic hinge; 32. magnetic buckling; 33. magnetic sticking; 34. a second slider; 35. a second chute; 36. a bridge type connecting frame; 37. a piston groove; 38. a piston; 39. a gasket; 40. a fourth bearing; 41. a threaded barrel; 42. a threaded rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
A plastic building material testing machine and a using method thereof are disclosed as figures 1-6, and the plastic building material testing machine comprises a base 1, wherein the top of the base 1 is provided with a connecting seat 2, the top of the connecting seat 2 is provided with a second sliding groove 8, the inner side of the second sliding groove 8 is connected with a second sliding seat 9 in a sliding manner, the side surface of the second sliding seat 9 is fixedly connected with the end surface of the inner side of the second sliding groove 8 through a buffer spring 10, the top of the second sliding seat 9 is fixedly connected with the bottom of an elastic memory plate 11 through a bridge-shaped connecting frame 36, one side of the elastic memory plate 11, which is far away from the connecting seat 2, is provided with a piston groove 37, a piston 38 is movably sleeved in the piston groove 37, the end part of the elastic memory plate 11 is fixedly connected with one end of a traction cable 12, the other end of the traction cable 12 is wound and connected with the surface of a winding roller 14 by bypassing a guide wheel 13, and one side of the elastic memory plate 11, which is far away from the connecting seat 2, is provided with a blocking cover 30.
Specifically, the bottom of the connecting seat 2 is fixedly connected with a first sliding seat 3, the first sliding seat 3 is slidably connected in a first sliding groove 4 formed in the top of the base 1, the side face of the first sliding seat 3 is fixedly connected with the end face of the inner side of the first sliding groove 4 through a hydraulic cylinder 6, one face of the first sliding seat 3, which is far away from the hydraulic cylinder 6, is fixedly connected with one face, which is close to the side seat 7, through a tension meter 5, and the outer contour face of the side seat 7 is fixedly connected with the inner side wall of the first sliding groove 4.
The specific wire guide wheel 13 is located in a concave groove 16 formed in the end part of the platform frame 15, the side end part of the wire guide wheel 13 is fixedly connected with a switching shaft 17, a first bearing 18 is sleeved on the surface of the switching shaft 17, the first bearing 18 is connected to the inner side wall of the concave groove 16 in a clamped mode, and through the designed wire guide wheel 13, the wire guide wheel 13 is used for changing the conduction direction of the index line.
Specifically, a second sliding groove 35 is formed in a position, corresponding to the first sliding seat 3, of the inner side wall of the first sliding groove 4, a second sliding block 34 is connected in the second sliding groove 35 in a sliding manner, and the second sliding block 34 is fixedly connected with the opposite surface of the first connecting seat 2.
Specifically, a first sliding groove 28 is formed in the position, corresponding to the second sliding seat 9, of the inner side wall of the second sliding groove 8, a first sliding block 29 is connected in the first sliding groove 28 in a sliding mode, and the first sliding block 29 is fixedly connected with the opposite surface of the second connecting seat 2.
Specifically, the side edge of separation cover 30 bottom is articulated through second elasticity hinge 31 and base 1's top, separation cover 30 bottom keeps away from one side embedded connection magnetic buckle 32 of second elasticity hinge 31, magnetic buckle 32's bottom actuation has magnetic paste 33, the embedded joint of magnetic paste 33 is at base 1's top, first spout 28 through the design, first slider 29, second glide groove 8 and buffer spring 10, in the twinkling of an eye of the cracked plastics building materials of awaiting measuring, second glide seat 9 can drive first slider 29 and slide the action in the spout, thereby can improve the stability of the plastics building materials of awaiting measuring in the direction of force of atress to a certain extent, and buffer spring 10 can play certain buffering effect, can weaken the reaction force that receives as the drive arrangement pneumatic cylinder 6, thereby can play certain guard effect to pneumatic cylinder 6.
Specifically, the quantity of elasticity memory board 11 is two, and two elasticity memory boards 11 use separation cover 30 to set up as the reference thing symmetry, and the equal fixedly connected with of opposite face of two elasticity memory boards 11 fills up 39, separation cover 30 through the design, separation cover 30 accessible second elasticity hinge 31 carries out the action of opening and shutting, and when magnetism is detained 32 and is broken away from magnetism subsides 33, the sealed cowling is in half open state, be convenient for staff's operation, separation cover 30 is used for preventing to await measuring plastics building materials and is taking place the produced piece in the twinkling of an eye of fracture and wafts all around.
Specifically, the surface of the winding roller 14 is sleeved with a second bearing 19, the second bearing 19 is clamped at the top of the platform frame 15, the surface of each winding roller 14 is wound and connected with two traction cables 12, the winding directions of the two traction cables 12 on the surface of the winding roller 14 are opposite, the traction cables 12 can be wound and connected on the surface of the winding roller 14 by twisting the winding roller 14 through the designed traction cables 12, the winding roller 14, the wire guide wheel 13, the fastening bolts 27, the threaded holes 26, the fixed teeth 20, the movable teeth 21 and the movable sleeve 23, the torsion acting on the winding roller 14 can be removed, under the mutual matching of the fixed teeth 20 and the movable teeth 21, the stability of the winding roller 14 can be ensured, the fastening bolts 27 are twisted to rotate in the threaded holes 26, the movable sleeve 23 is separated from the limiting friction effect at the end of the fastening bolts 27, at the moment, the movable sleeve 23 can drive the fixed teeth 20 to perform reverse rotation through the movable teeth 21, under the effect of the reset elastic memory plate 11, so that the traction cables 12 on the winding roller 14 can be separated from the surface, the plastic pipe to be tested can be conveniently adjusted according to the bending degree of the building material to be conveniently connected with the plastic to be tested building material pipe diameter. Specifically, the fixed teeth 20 are fixedly connected to the surface of the wind-up roll 14, the fixed teeth 20 are meshed with movable teeth 21 arranged on the inner side wall of a movable sleeve 23, the end portion of each movable tooth 21 is hinged to the inner side wall of the movable sleeve 23 through a first elastic hinge 22, a third bearing 24 is sleeved on the surface of the movable sleeve 23, the third bearing 24 is clamped on the inner side wall of a clamping groove 25 formed in the top of a platform frame 15, a threaded hole 26 is formed in the side surface of the platform frame 15 corresponding to the position of the movable sleeve 23, the end portion of a fastening bolt 27 in threaded connection with the threaded hole 26 is connected with the side close to the movable sleeve 23, a threaded rod 42 is fixedly connected to the side of the piston 38 departing from the sealing gasket 39, after the change of the radian of the elastic memory plate 11 is completed through the threaded rod 42, the threaded cylinder 41, the fourth bearing 40 and the sealing gasket 39, the side end surface of the plastic building material to be tested is attached to the sealing gasket 39, the threaded cylinder 41 performs a rotating motion in the fourth bearing 40 under the combined effect of torsion and the effect of the torsion and the thread engaging force, so that the piston 38 is pulled to move to the side away from the side of the plastic to be tested building material to be tested, the piston 37 is in a negative pressure state, the state of the piston surface of the threaded rod 41, and the threaded cylinder 41, the elastic memory plate to be tested building material to be tested, so that the elastic memory plate can be tested, the elastic bearing 41 can be tested, the elastic memory plate can be tested, the tested can be tested by the elastic bearing 41, and the elastic memory plate can be connected to be tested, the first sealing gasket 41 in the elastic memory plate under the tensile force of the elastic memory plate under the elastic bearing 41. A using method of a plastic building material testing machine comprises the following process flows:
step S1: the winding roller 14 is twisted, so that the traction cable 12 can be wound and connected on the surface of the winding roller 14, the torsion acting on the winding roller 14 is removed, the fixed teeth 20 and the movable teeth 21 are matched with each other, so that the stability of the winding roller 14 can be ensured, the fastening bolt 27 is twisted to rotate in the threaded hole 26, the movable sleeve 23 is separated from the limiting friction effect of the end part of the fastening bolt 27, at the moment, the movable sleeve 23 can drive the fixed teeth 20 to perform reverse rotation action through the movable teeth 21, under the action of the reset elastic force of the elastic memory plate 11, the traction cable 12 on the winding roller 14 can be separated from the surface of the fixing bolt, the radian of the elastic memory plate 11 can be adjusted according to the bending degree of the plastic building material to be tested or the pipe diameter of the plastic pipe, and the connection and fixation of the plastic building material to be tested and the plastic pipe are facilitated;
step S2: after the change of the radian of the elastic memory plate 11 is completed, the side end surface of the plastic building material to be tested is attached to the sealing gasket 39, the threaded cylinder 41 is twisted to rotate in the fourth bearing 40, and under the combined action of the torsion and the thread biting force, the piston 38 can be pulled to move to one side away from the plastic building material to be tested, so that the piston groove 37 is in a negative pressure state, and the suction force of the negative pressure on the plastic building material to be tested is utilized, so that the plastic building material to be tested can be only subjected to two lateral tension forces in the testing process, and the accuracy of a testing value can be improved to a certain extent;
and step S3: after the installation work of the plastic building material to be tested is finished, the hydraulic cylinder 6 is controlled to operate, the hydraulic cylinder 6 can apply lateral tension to the plastic building material to be tested through the elastic memory plate 11 in the retraction action process until the plastic building material to be tested is pulled apart by the tension, and as the elastic memory plate 11 applies the lateral tension to the plastic part to be tested, one surface of the second sliding seat 9 departing from the buffer spring 10 is always attached and connected with the end surface of the inner side of the second sliding groove 8, the tension is the same as the tension measured by the tension meter 5, and the accuracy of a measuring result can be guaranteed on the basis of buffering;
and step S4: at the moment when the plastic building material to be tested is broken, the second sliding seat 9 drives the first sliding block 29 to slide in the sliding groove, so that the stability of the plastic building material to be tested in the stress direction can be improved to a certain extent, the buffer spring 10 can play a certain buffering effect and can weaken the counter-acting force applied to the hydraulic cylinder 6 of the driving device, the hydraulic cylinder 6 can be protected to a certain extent, and the blocking cover 30 is used for preventing fragments generated at the moment when the plastic building material to be tested is broken from drifting around.
The working principle is as follows: the winding roller 14 is twisted to connect the traction cable 12 on the surface of the winding roller 14, the torsion acting on the winding roller 14 is removed, the stability of the winding roller 14 can be ensured under the mutual matching of the fixed teeth 20 and the movable teeth 21, the fastening bolt 27 is twisted to rotate in the threaded hole 26, the movable sleeve 23 is separated from the restrictive friction effect of the end part of the fastening bolt 27, at the moment, the movable sleeve 23 can drive the fixed teeth 20 to perform reverse rotation action through the movable teeth 21, under the action of the restoring elastic force of the elastic memory plate 11, the traction cable 12 on the winding roller 14 can be separated from the surface of the traction cable, the radian of the elastic memory plate 11 can be adjusted according to the bending degree of the plastic building material or the pipe diameter of the plastic pipe to be tested, the connection and fixation of the plastic building material to be tested and the plastic pipe are facilitated, after the change of the radian of the elastic memory plate 11 is completed, the end surface of the plastic building material is attached to the sealing gasket 39, the twisting thread cylinder 41 rotates in the fourth bearing 40, under the combined action of the torsion and the thread biting force, the piston 38 can be pulled to move towards one side far away from the plastic building material to be tested, so that the piston groove 37 is in a negative pressure state, the suction force of the negative pressure to the plastic building material to be tested is utilized, so that the plastic building material to be tested can only be subjected to two lateral tension forces in the testing process, the precision of the testing value can be improved to a certain extent, after the installation work of the plastic building material to be tested is completed, the hydraulic cylinder 6 is controlled to operate, the hydraulic cylinder 6 can apply the lateral tension force to the plastic building material to be tested through the elastic memory plate 11 in the retraction process until the plastic building material to be tested is torn off by the tension force, and as the elastic memory plate 11 applies the lateral tension force to the plastic building material to be tested, one side of the second sliding seat 9 departing from the buffer spring 10 is always attached to and connected with the end face of the inner side of the second sliding groove 8, so that the pulling force is the same as the pulling force value measured by the tension meter 5, the accuracy of a measuring result is guaranteed on the basis of buffering, when a plastic building material to be tested is fractured, the second sliding seat 9 can drive the first sliding block 29 to slide in the sliding groove, the stability of the plastic building material to be tested in the stress direction can be improved to a certain degree, the buffer spring 10 can play a certain buffering effect, the counterforce borne by the hydraulic cylinder 6 serving as a driving device can be weakened, a certain protection effect can be achieved on the hydraulic cylinder 6, and the isolation cover 30 is used for preventing fragments generated in the moment of fracture of the plastic building material to be tested from scattering around.
In summary, the above is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a plastics building materials test machine, includes base (1), its characterized in that: the device is characterized in that a connecting seat (2) is arranged at the top of the base (1), a second sliding groove (8) is formed in the top of the connecting seat (2), a second sliding seat (9) is connected to the inner side of the second sliding groove (8) in a sliding mode, the side face of the second sliding seat (9) is fixedly connected with the end face of the inner side of the second sliding groove (8) through a buffer spring (10), the top of the second sliding seat (9) is fixedly connected with the bottom of an elastic memory plate (11) through a bridge-shaped connecting frame (36), a piston groove (37) is formed in the face, deviating from the connecting seat (2), of the elastic memory plate (11), a piston (38) is movably sleeved in the piston groove (37), the end portion of the elastic memory plate (11) is fixedly connected with one end of a traction cable (12), the other end of the traction cable (12) is connected with the surface of a winding roller (14) in a winding mode by winding a wire guide wheel (13), and a blocking cover (30) is arranged on the side, far away from the connecting seat (2), of the elastic memory plate (11).
2. The plastic building material testing machine as claimed in claim 1, wherein: the bottom fixedly connected with of connecting seat (2) first slides seat (3), first slide seat (3) sliding connection is in the first groove (4) that slides that base (1) top was seted up to first slide seat (3) side passes through pneumatic cylinder (6) and the inboard terminal surface fixed connection of first groove (4) that slides, the one side that first slide seat (3) deviate from pneumatic cylinder (6) passes through tensiometer (5) and the close one side fixed connection of side seat (7), the outer profile face of side seat (7) and the inside wall fixed connection of first groove (4) that slides.
3. The plastic building material testing machine of claim 2, wherein: wire wheel (13) are located concave groove (16) that platform frame (15) tip was seted up, the side tip fixedly connected with switching axle (17) of wire wheel (13), first bearing (18) have been cup jointed on the surface of switching axle (17), first bearing (18) joint is on the inside wall of concave groove (16).
4. The plastic building material testing machine of claim 3, wherein: a second sliding groove (35) is formed in the position, corresponding to the first sliding seat (3), of the inner side wall of the first sliding groove (4), a second sliding block (34) is connected in the second sliding groove (35) in a sliding mode, and the second sliding block (34) is fixedly connected with the opposite surface of the first connecting seat (2).
5. The plastic building material testing machine as claimed in claim 1, wherein: the inner side wall of the second sliding groove (8) is provided with a first sliding groove (28) corresponding to the position of the second sliding seat (9), the first sliding groove (28) is connected with a first sliding block (29) in a sliding mode, and the first sliding block (29) is fixedly connected with the opposite surface of the second connecting seat (2).
6. A plastic building material testing method as claimed in claim 1, wherein: the side edge that separates cover (30) bottom is articulated with the top of base (1) along passing through second elastic hinge (31), it is embedded to be connected with magnetism knot (32) to separate one side that second elastic hinge (31) were kept away from to cover (30) bottom, the bottom actuation of magnetism knot (32) has magnetism subsides (33), the top of base (1) is pasted in magnetism (33) embedded joint.
7. The plastic building material testing machine of claim 1, wherein: the quantity of elasticity memory board (11) is two, and two elasticity memory board (11) use separation cover (30) to set up as the reference symmetry, and the equal fixedly connected with of opposite face of two elasticity memory board (11) seals up pad (39).
8. The plastic building material testing machine as claimed in claim 1, wherein: the surface of the winding roller (14) is sleeved with a second bearing (19), the second bearing (19) is connected to the top of the platform frame (15) in a clamping mode, the surface of each winding roller (14) is wound and connected with two traction ropes (12), and the winding directions of the two traction ropes (12) on the surface of the winding roller (14) are opposite.
9. The plastic building material testing machine as claimed in claim 1, wherein: fixed surface of wind-up roll (14) is connected with fixed tooth (20), movable tooth (21) intermeshing that fixed tooth (20) and movable sleeve (23) inside wall set up, the tip of movable tooth (21) is articulated through first elasticity hinge (22) with the inside wall of movable sleeve (23), third bearing (24) have been cup jointed on the surface of movable sleeve (23), third bearing (24) joint is on the inside wall of draw-in groove (25) that platform frame (15) top was seted up, screw hole (26) have been seted up to the position that platform frame (15) side corresponds movable sleeve (23), screw hole (26) female connection has fastening bolt (27) the tip of fastening bolt (27) is connected with the one side that movable sleeve (23) are close, piston (38) deviate from one side fixedly connected with (42) that sealed fill up pad (39), the surface threaded connection of threaded rod (42) has threaded cylinder (41), the surface of threaded cylinder (41) has cup jointed fourth face bearing (40), fourth bearing (40) deviate from sealed the joint on the sealed pad (39) of elastic memory board (11).
10. The use method of the plastic building material testing machine as claimed in claims 1 to 9, characterized by comprising the following process flows:
step S1: twisting the winding roller (14), so that a traction cable (12) can be wound and connected on the surface of the winding roller (14), the torsion acting on the winding roller (14) is removed, the stability of the winding roller (14) can be ensured under the mutual matching of the fixed teeth (20) and the movable teeth (21), the fastening bolt (27) is twisted to rotate in the threaded hole (26), the movable sleeve (23) is separated from the limiting friction effect of the end part of the fastening bolt (27), at the moment, the movable sleeve (23) can drive the fixed teeth (20) to perform reverse rotation through the movable teeth (21), and under the action of the restoring elastic force of the elastic memory plate (11), the traction cable (12) on the winding roller (14) can be separated from the surface of the traction cable, the radian of the elastic memory plate (11) is adjusted according to the bending degree of the plastic building material to be tested or the pipe diameter of the plastic pipe, so that the plastic building material to be tested and the plastic pipe can be conveniently connected and fixed;
step S2: after the radian of the elastic memory plate (11) is changed, the side end face of the plastic building material to be tested is attached to the sealing gasket (39), the threaded cylinder (41) is twisted to rotate in the fourth bearing (40), and under the combined action effect of the torsion and the thread biting force, the piston (38) can be pulled to move towards one side away from the plastic building material to be tested, so that the interior of the piston groove (37) is in a negative pressure state, the suction force of the negative pressure on the plastic building material to be tested is utilized, and the plastic building material to be tested can be only subjected to two lateral tension forces in the testing process, so that the precision of a testing value can be improved to a certain degree;
and step S3: after the installation work of the plastic building material to be tested is completed, the hydraulic cylinder (6) is controlled to operate, the hydraulic cylinder (6) can apply lateral tension to the plastic building material to be tested through the elastic memory plate (11) in the retraction action process until the plastic building material to be tested is pulled apart by the tension, and because the elastic memory plate (11) applies the lateral tension to the plastic part to be tested, one surface of the second sliding seat (9) departing from the buffer spring (10) is always attached and connected with the end surface of the inner side of the second sliding groove (8), the tension is the same as the tension value measured by the tension meter (5), and the accuracy of a test metering result can be ensured on the basis of buffering;
and step S4: when the plastic building material to be tested is broken, the second sliding seat (9) can drive the first sliding block (29) to slide in the sliding groove, so that the stability of the plastic building material to be tested in the stress direction can be improved to a certain degree, the buffer spring (10) can play a certain buffering effect and can weaken the reaction force borne by the hydraulic cylinder (6) serving as driving equipment, a certain protection effect can be achieved on the hydraulic cylinder (6), and the blocking cover (30) is used for preventing fragments of the plastic building material to be tested from drifting around at the moment of breaking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211089049.XA CN115655891A (en) | 2022-09-07 | 2022-09-07 | Plastic building material testing machine and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211089049.XA CN115655891A (en) | 2022-09-07 | 2022-09-07 | Plastic building material testing machine and using method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116223228A (en) * | 2023-05-09 | 2023-06-06 | 苏州方正工程技术开发检测有限公司 | Metal sheet welding strength detects machine |
| CN118655005A (en) * | 2024-08-21 | 2024-09-17 | 大连华升精密铸件制造有限公司 | Mould shell intensity detection equipment |
-
2022
- 2022-09-07 CN CN202211089049.XA patent/CN115655891A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116223228A (en) * | 2023-05-09 | 2023-06-06 | 苏州方正工程技术开发检测有限公司 | Metal sheet welding strength detects machine |
| CN118655005A (en) * | 2024-08-21 | 2024-09-17 | 大连华升精密铸件制造有限公司 | Mould shell intensity detection equipment |
| CN118655005B (en) * | 2024-08-21 | 2024-10-18 | 大连华升精密铸件制造有限公司 | Mould shell intensity detection equipment |
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