CN109827899B - Material surface property tester - Google Patents
Material surface property tester Download PDFInfo
- Publication number
- CN109827899B CN109827899B CN201910088272.4A CN201910088272A CN109827899B CN 109827899 B CN109827899 B CN 109827899B CN 201910088272 A CN201910088272 A CN 201910088272A CN 109827899 B CN109827899 B CN 109827899B
- Authority
- CN
- China
- Prior art keywords
- sensor
- rod
- mounting groove
- screw
- loading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000463 material Substances 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000005236 sound signal Effects 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 13
- 238000012360 testing method Methods 0.000 abstract description 13
- 238000005259 measurement Methods 0.000 abstract description 2
- 239000011247 coating layer Substances 0.000 abstract 1
- 238000002474 experimental method Methods 0.000 description 19
- 238000001514 detection method Methods 0.000 description 12
- 238000000576 coating method Methods 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000000418 atomic force spectrum Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to material surface property test equipment, in particular to a material surface property test instrument, an automatic balance mechanism is formed through a structure of a cross beam and a short shaft in a force measuring machine head, the loading force applied to the surface of a tested piece can be accurately detected, the shake of a loading rod in the test process is reduced through a limiting device, the friction force and the loading force are independently measured, the influence and the interference between the friction force and the loading force are avoided, the force measurement is more accurate, the accurate condition of a coating layer falling off can be reflected through an acoustic signal collector, the comparison test of the tested piece at different positions under the same plane and under the same working condition is realized through the movement of a workbench, the function of constant loading force can be realized through the addition of weights on a weight disc, the lifting mechanism can continuously lift the value of the loading force through the control of an industrial control computer, the different surface property tests can be completed through the replacement of different contact heads, the test instrument is not required to be replaced, the accuracy of test data is ensured, and the test time is shortened.
Description
Technical Field
The invention relates to material surface property test equipment, in particular to a material surface property tester.
Background
In recent decades, the research on the surface of the material is widely applied in the fields of national defense, science and technology, industry and agriculture, particularly the application of ion plating coatings in the aspects of tools, molds, instrument parts, decoration and the like, and great economic benefits and social benefits are obtained; therefore, the detection of various mechanical properties of the coating is the key for the development of the current coating product, and various technical indexes of the coating product also become the focus of first attention of both suppliers and consumers; conventional detection of the mechanical properties of the hard coating at present comprises hardness detection, binding force detection, friction performance and wear resistance detection, roughness detection, elastic modulus detection, thickness detection and the like.
The detection instruments disclosed in the prior art at present have the following disadvantages: firstly, the mechanical structure has defects, so that the surface loading force on a detected piece is not stable and accurate enough in the experimental process, the experimental data has large fluctuation, and the surface performance of the material cannot be accurately and intuitively reflected; secondly, the stability of experimental equipment is poor in the experimental process, the parts contacted with the detected piece can shake, especially shake is stronger when the equipment is operated at a high speed, and the inaccuracy of experimental data is caused; thirdly, the loading force can not be accurately and stably increased on the surface of the detected piece, the test is carried out after the loading force with one value is set, then the machine is stopped, the loading force value is increased, the test is restarted, repeated work is needed for many times, the error is caused in the test data, and a large amount of time is wasted; fourth, the laboratory instrument unitizes, can not carry out multiple experiments on same laboratory instrument, in the piece that is detected in the change of dress process between each instrument, the piece that is tested needs dismantlement, clamping many times for the point that is tested can not guarantee unanimously completely, causes experimental data reality, accuracy can not guarantee.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention aims to provide a material surface property tester which can constantly and accurately apply loading force to the surface of a detected piece or accurately and continuously increase the value of the loading force, and simultaneously ensure the stability of the tester in the experimental process, thereby ensuring the accuracy and the authenticity of experimental data, and can simultaneously realize various surface test property experiments, greatly save the experimental time and solve the problems in the prior art.
The technical scheme adopted by the invention is as follows: the material surface performance tester comprises a reciprocating mechanism, a lifting mechanism, a force measuring machine head and a base, wherein the reciprocating mechanism and the lifting mechanism are connected to the base, the reciprocating mechanism is arranged on the left side of the lifting mechanism, and the force measuring machine head is connected to the lifting mechanism through a piston.
Further the reciprocating mechanism includes frame, reciprocating motor, gear tooth area, reciprocating screw, slide rail and slip table, and frame upper portion is equipped with the slide rail mounting groove, and slide rail connection is in the slide rail mounting groove, and the slip table is connected in the slide rail, and reciprocating motor sets up in the frame, and reciprocating screw passes the slip table, and reciprocating screw and slip table threaded connection, reciprocating screw level set up in the slide rail mounting groove, and reciprocating screw rotates with the slide rail mounting groove to be connected, and gear tooth area connection reciprocating motor and reciprocating screw.
The reciprocating mechanism further comprises a workbench, wherein the workbench comprises a bracket, a supporting plate handle, a bench clamp shell, bench clamps and a bench clamp handle.
Further the support is fixed on the slip table, has seted up the spout on the support, and the spout level sets up, and the spout is laid perpendicularly with reciprocating screw, and the spout both ends are equipped with the baffle, and layer board sliding connection is in the spout, and the layer board handle runs through baffle and layer board, and layer board handle and baffle rotate to be connected, layer board handle and layer board threaded connection, bench vice casing are fixed on the layer board, have seted up bench vice mounting groove on the bench vice casing, and bench vice mounting groove is unanimous with the spout direction, is equipped with a pair of bench vice in the bench vice mounting groove, and the wall of bench vice mounting groove is run through to the bench vice handle, and bench vice handle one end is connected with the bench vice, bench vice handle and bench vice mounting groove threaded connection.
The lifting mechanism further comprises a piston, a lifting screw rod, an adjusting nut, a plane bearing, a turbine, a worm, a hand wheel, a guide strut, a cylinder body and a loading motor.
The device is characterized in that a guide hole, a transmission chamber and a piston cylinder are arranged in the cylinder body, a step surface is arranged between the transmission chamber and the piston cylinder, the transmission chamber is communicated with the guide hole and the piston cylinder, the upper end of the piston is connected with a force measuring machine head, the lower end of the piston is connected with a lifting screw rod, the piston is arranged in the piston cylinder, a turbine is in threaded connection with the lifting screw rod, two end surfaces of the turbine are connected with plane bearings, the turbine and the plane bearings are arranged in the transmission chamber, the lower surface of the plane bearings are attached to the step surface, an adjusting nut is in threaded connection with the upper end of the transmission chamber, the lower surface of the adjusting nut is attached to the upper surface of the plane bearings, a guide pillar is arranged in the guide hole, the outer edge of the guide pillar is attached to the inner wall of the guide hole, the guide pillar is connected to the lower end of the lifting screw rod, a worm penetrates through the cylinder body, the worm is meshed with the turbine, one end of the worm is connected with a hand wheel, the hand wheel is arranged outside the cylinder, and the other end of the worm is connected with a loading motor.
The force measuring machine head further comprises a machine head body, a cross beam, a short shaft, an adjusting screw, a balancing weight, a weight disc, a loading rod, a pin shaft, a contact head, a linear bearing, a bearing sleeve, an adjusting screw, a friction force sensor, an acoustic signal collector, a loading force sensor and a sensor cushion block.
The beam is arranged in the machine head body, a shaft hole is formed in the middle of the beam, the shaft hole is arranged in the front-back direction, a short shaft penetrates through the shaft hole, two ends of the short shaft are connected to the machine head body, a groove and a sensor mounting groove are formed in the right end of the beam, the groove is arranged above the sensor mounting groove, a balancing weight is arranged in the groove, the outer wall of the balancing weight is attached to the inner wall of the groove, two ends of an adjusting screw are connected in the groove, the adjusting screw penetrates through the balancing weight, the adjusting screw is in threaded connection with the balancing weight, a load sensor is arranged in the sensor mounting groove, the left end of the load sensor is connected with the beam, a sensor cushion block is connected below the load sensor, a loading rod mounting groove is formed in the front end of the beam, the loading rod is hinged in the loading rod mounting groove through a pin shaft, the loading rod and the sensor cushion block are symmetrically arranged, the lower part of the loading rod is connected with a linear bearing, the bearing housing is connected to linear bearing outer fringe, bearing housing sliding connection is on the aircraft nose body, the bearing housing left end is equipped with friction sensor, friction sensor upper end and aircraft nose body coupling, friction sensor lower part is connected with adjusting screw, adjusting screw and friction sensor threaded connection, the adjusting screw right-hand member is connected with the bearing housing, the sound signal collector is connected to the loading pole lower extreme, the contact head is connected to the sound signal collector lower extreme, the weight dish lower extreme is equipped with the connecting rod, the aircraft nose body is passed to the connecting rod, the connecting rod connects the crossbeam, the weight dish upper end is equipped with the carriage bar, the carriage bar overcoat has the weight, be connected with the nut on the carriage bar, the nut sets up in the weight top, the weight dish, the loading pole, the contact head is on same axis, the aircraft nose body lower extreme is equipped with the piston mounting hole, piston connection is in the piston mounting hole.
The contact head is a pressure head, a grinding head or a scriber.
The beneficial effects of the invention are as follows: the automatic balance mechanism is formed through the structure of the cross beam and the short shaft in the force measuring machine head, the loading force applied to the surface of a detected piece can be accurately detected, meanwhile, the shaking of the loading rod in the experimental process is reduced through the limiting device, the friction force and the loading force are independently measured, the influence and the interference between the friction force and the loading force are avoided, so that the force measurement is more accurate, the accurate condition of the coating falling off can be reflected through the sound signal collector, the comparison experiment of the detected piece on the same plane at different positions under the same working condition can be realized through the movement of the workbench, the weight is additionally arranged on the weight plate, the function of constant loading force can be realized, the lifting mechanism can continuously lift the numerical value of the loading force through the control of the industrial control computer, the experiment of different surface performance can be completed through changing different contact heads, the experiment instrument is not required to be replaced, the accuracy of experimental data is ensured, and the experimental time is greatly shortened.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the reciprocating mechanism;
FIG. 3 is a schematic view of a table configuration;
FIG. 4 is a schematic top view of a table;
FIG. 5 is a schematic view of a lifting mechanism;
FIG. 6 is a schematic view of a barrel construction;
FIG. 7 is a schematic view of the sectional structure of the elevating mechanism A-A of FIG. 5;
FIG. 8 is a schematic diagram of a force-measuring handpiece construction;
FIG. 9 is a schematic view of a force-measuring handpiece with the handpiece body removed;
FIG. 10 is a schematic view of a partially enlarged structure of the force-measuring handpiece A of FIG. 8;
FIG. 11 is a schematic view of a partially enlarged structure of the force-measuring handpiece B of FIG. 8;
FIG. 12 is a graph of experimental data for constant loading force of the present invention;
FIG. 13 is a graph of experimental data for a steady increase in loading force according to the present invention.
Wherein, 1, a reciprocating mechanism, 101, a frame, 102, a reciprocating motor, 103, a gear tooth belt, 104, a reciprocating screw, 105, a slide rail, 106, a slide table, 107, a slide rail mounting groove, 2, a lifting mechanism, 201, a piston, 202, a lifting screw, 203, an adjusting nut, 204, a plane bearing, 205, a turbine, 206, a worm, 207, a hand wheel, 208, a guide pillar, 209, a cylinder, 210, a guide hole, 211, a transmission chamber, 212, a piston cylinder, 213, a step face, 214, a loading motor, 3, a force measuring machine head, 301, a machine head body, 302, a cross beam, 303, a short shaft, 304, an adjusting screw, 305, a balancing weight, 306, a weight plate, 307, a loading rod, 308, pin shaft, 309, contact head, 310, linear bearing, 311, bearing housing, 312, adjustment screw, 313, friction force sensor, 314, acoustic signal pickup, 315, load force sensor, 316, sensor pad, 317, shaft hole, 318, recess, 319, sensor mounting slot, 320, load rod mounting slot, 321, piston mounting hole, 322, connecting rod, 323, tow rod, 324, weight, 325, nut, 4, base, 5, table, 501, bracket, 502, pallet, 503, pallet handle, 504, vise housing, 505, vise, 506, vise handle, 507, chute, 508, baffle, 509, vise mounting slot.
Detailed Description
The invention is described in detail below with reference to the attached drawings and detailed description:
the material surface performance tester comprises a reciprocating mechanism 1, a lifting mechanism 2, a force measuring machine head 3 and a bottom 4, wherein the reciprocating mechanism 1 and the lifting mechanism 2 are connected to a base 4, the reciprocating mechanism 1 is arranged on the left side of the lifting mechanism 2, and the force measuring machine head 3 is connected to the lifting mechanism 2 through a piston 201.
Further, the reciprocating mechanism 1 comprises a frame 101, a reciprocating motor 102, a gear tooth belt 103, a reciprocating screw 104, a sliding rail 105 and a sliding table 106, a sliding rail mounting groove 107 is formed in the upper portion of the frame 101, the sliding rail 105 is connected in the sliding rail mounting groove 107, the sliding table 106 is connected in the sliding rail 105, the reciprocating motor 102 is arranged in the frame 101, the reciprocating screw 104 penetrates through the sliding table 106, the reciprocating screw 104 is in threaded connection with the sliding table 106, the reciprocating screw 104 is horizontally arranged in the sliding rail mounting groove 107, the reciprocating screw 104 is rotationally connected with the sliding rail mounting groove 107, the gear tooth belt 103 is connected with the reciprocating motor 102 and the reciprocating screw 104, the gear tooth belt 103 is driven to rotate through forward and reverse rotation of the reciprocating motor 102, so that forward and reverse rotation of the reciprocating screw 104 is achieved, the sliding table 106 can move left and right under the forward and reverse rotation of the reciprocating screw 104, the sliding rail 105 and the sliding table 106 are arranged, the contact surface of the reciprocating motion is made to be sliding friction, the influence of friction force on experimental data is reduced, and through the cooperation of the reciprocating screw 104 and the sliding table 106, and the bidirectional motion of a detected piece in the axial direction X is formed.
Further, the reciprocating mechanism 1 further comprises a workbench 5, and the workbench 5 comprises a bracket 501, a supporting plate 502, a supporting plate handle 503, a bench clamp housing 504, a bench clamp 505 and a bench clamp handle 506.
Further, the bracket 501 is fixed on the sliding table 106, a chute 507 is arranged on the bracket 501, the chute 507 is horizontally arranged, the chute 507 is vertically arranged with the reciprocating screw 104, baffle plates 508 are arranged at two ends of the chute 507, the supporting plate 502 is connected in the chute 507 in a sliding way, the supporting plate handle 503 penetrates through the baffle plates 508 and the supporting plate 502, the supporting plate handle 503 is connected with the baffle plates 508 in a rotating way, the supporting plate handle 503 is connected with the supporting plate 502 in a threaded way, the bench clamp shell 504 is fixed on the supporting plate 502, a bench clamp mounting groove 509 is arranged on the bench clamp shell 504, the bench clamp mounting groove 509 is consistent with the chute 507 in direction, a pair of bench clamps 505 are arranged in the bench clamp mounting groove 509, the bench clamp handle 506 penetrates through the wall of the bench clamp mounting groove 509, one end of the bench clamp handle 506 is connected with the bench clamp, the bench clamp handle 506 is connected with the bench clamp mounting groove 509 in a threaded way, the support 501 is fixed on the sliding table 106, so that the workbench 5 and the sliding table 106 form a whole, the movement synchronization is ensured, meanwhile, the supporting plate 502 can move back and forth through the rotation of the supporting plate handle 503, the opening and closing of the bench clamp 505 can be realized through the rotation of the bench clamp handle 506, the mounting and dismounting work of the tested piece is completed, the operation is simple and convenient, the opening and closing direction of the bench clamp 505 is vertical to the movement direction of the supporting plate 502, the tested piece can be realized within the range of the workbench 5, the omnibearing position change is realized, the repeated dismounting and clamping problems of the tested piece are solved, the accuracy of experimental data is ensured, and the bidirectional movement of the axially detected piece of the Y axis with the horizontal direction perpendicular to the X axis is formed through the structure of the workbench 5.
Further the lifting mechanism 2 comprises a piston 201, a lifting screw 202, an adjusting nut 203, a plane bearing 204, a turbine 205, a worm 206, a hand wheel 207, a guide strut 208, a cylinder 209 and a loading motor 214.
The device comprises a cylinder body 209, a guide hole 210, a transmission chamber 211 and a piston cylinder 212, wherein a step surface 213 is arranged between the transmission chamber 211 and the piston cylinder 212, the transmission chamber 211 is communicated with the guide hole 210 and the piston cylinder 212, the upper end of the piston 201 is connected with a force measuring machine head 3, the lower end of the piston 201 is connected with a lifting screw 202, the piston 201 is arranged in the piston cylinder 212, a turbine 205 is in threaded connection with the lifting screw 202, two end surfaces of the turbine 205 are connected with a plane bearing 204, the turbine 205 and the plane bearing 204 are arranged in the transmission chamber 211, the lower surface of the plane bearing 204 is attached to the step surface 213, an adjusting nut 203 is in threaded connection with the upper end of the transmission chamber 211, the lower surface of the adjusting nut 203 is attached to the upper surface of the plane bearing 204, a guide strut 208 is arranged in the guide hole 210, the outer edge of the guide strut 208 is attached to the inner wall of the guide hole 210, the guide strut 208 is connected with the lower end of the lifting screw 202, a worm 206 is meshed with the worm 206, one end of the worm 206 is connected with the worm 206, the worm 206 is connected with the worm 207, the other end of the worm 206 is connected with a loading motor 214, the self-locking function of the turbine 205 and the worm 206 is used for stabilizing the self-locking function of the turbine 205 and the worm 206, the displacement amount in the working process 2, and simultaneously, the axial stability of the whole motion of the lifting mechanism is stable, the whole motion is stable, and the motion of the device is stable, and the device is stable in motion is by the axial stability and stable, and stable motion, and can is that can is stable, and can.
The force measuring handpiece 3 further comprises a handpiece body 301, a cross beam 302, a short shaft 303, an adjusting screw 304, a balancing weight 305, a weight tray 306, a loading rod 307, a pin shaft 308, a contact 309, a linear bearing 310, a bearing sleeve 311, an adjusting screw 312, a friction force sensor 313, an acoustic signal collector 314, a loading force sensor 315 and a sensor cushion block 316.
Further, the beam 302 is arranged in the machine head body 301, a shaft hole 317 is arranged in the middle of the beam 302, the shaft hole 317 is arranged in the front-back direction, the short shaft 303 penetrates through the shaft hole 317, two ends of the short shaft 303 are connected to the machine head body 301, a groove 318 and a sensor mounting groove 319 are arranged at the right end of the beam 302, the groove 318 is arranged above the sensor mounting groove 319, the balancing weight 305 is arranged in the groove 318, the outer wall of the balancing weight 305 is attached to the inner wall of the groove 318, two ends of an adjusting screw 304 are connected in the groove 318, the adjusting screw 304 penetrates through the balancing weight 305, the adjusting screw 304 is in threaded connection with the balancing weight 305, a load force sensor 315 is arranged in the sensor mounting groove 319, the left end of the load force sensor 315 is connected with the beam 302, a sensor cushion block 316 is connected below the load force sensor 315, a load rod mounting groove 320 is arranged at the front end of the beam 302, the load rod 307 is hinged in the load rod mounting groove 320 through a pin 308, the loading rod 307 and the sensor cushion block 316 are symmetrically arranged, the lower part of the loading rod 307 is connected with a linear bearing 310, the outer edge of the linear bearing 310 is connected with a bearing sleeve 311, the bearing sleeve 311 is slidably connected to the machine head body 301, the left end of the bearing sleeve 311 is provided with a friction force sensor 313, the upper end of the friction force sensor 313 is connected with the machine head body 301, the lower part of the friction force sensor 313 is connected with an adjusting screw 312, the adjusting screw 312 is in threaded connection with the friction force sensor 313, the right end of the adjusting screw 312 is connected with the bearing sleeve 311, the lower end of the loading rod 307 is connected with an acoustic signal collector 314, the lower end of the acoustic signal collector 314 is connected with a contact head 309, the lower end of a weight disc 306 is provided with a connecting rod 322, the connecting rod 322 penetrates through the machine head body 301, the connecting rod 322 is connected with a cross beam 302, the upper end of the weight disc 306 is provided with a hauling rod 323, the hauling rod 323 is sleeved with a weight 324, the hauling rod 323 is connected with a nut 325, the nut 325 is arranged above the weight disc 306, the loading rod 307 and the contact 309 are arranged on the same axis, the lower end of the machine head body 301 is provided with a piston mounting hole 321, the piston 201 is connected in the piston mounting hole 321, an automatic balancing mechanism is formed by the cross beam 302 and the short shaft 303, the two ends of the cross beam 302 are stressed to be equal force, the weight 324 is additionally arranged on the weight disc 306, the loading force is the gravity of the weight 324 because the weight disc 306, the loading rod 307 and the contact 309 are arranged on the same axis, thus the experiment requirement of constant loading force is realized, meanwhile, the loading rod 307 and the sensor cushion block 316 are symmetrically arranged, the force arm is equal, namely, the loading force measured at the moment is the loading force applied by the loading rod 307, the accuracy of experimental data is further improved, meanwhile, the loading force sensor 315 and the friction sensor 313 are separately arranged, the interference of experimental data is avoided, the setting of the adjusting screw 304 and the balancing weight 305 can perform the pre-leveling function on the cross beam 302, the setting of the linear bearing 310 and the bearing sleeve 311 ensures that the movement of the loading rod 307 in the up-down direction or the left-right direction in the experiment process is more stable, the experiment requirement of the experiment data is avoided, meanwhile, the experiment rod 307 is not caused by overlarge experiment force, the loading rod 307 and the accurate position of the pre-adjusting screw 307 and the vibration sensor is accurately arranged between the pre-adjusting rod 307 and the position of the vibration sensor 313 can be adjusted, the accurate position of the experiment signal is ensured, and the accurate signal is ensured to be arranged between the experiment rod and the vibration sensor is arranged and the position is a vibration device and the position is arranged to be a position and a precision device and a position device.
Further, the contact 309 is a pressure head, a grinding head or a scriber, and the surface performance experiments with different requirements can be completed by replacing the contact 309.
Further, the load force sensor 315 is an cantilever beam load force sensor, and the sensor model is: yongzheng brand 108BA-30Kg.
The model of the acoustic signal collector 314 is further: SS-20T-6.8E.
Further, the friction force sensor 313 is an cantilever beam type load cell, and the sensor model is: yongzheng brand 1B-YZ-5Kg.
Because the surface of the material is uneven and is not an absolute plane, the loading force of the traditional equipment cannot be guaranteed to be constant, so that the fluctuation of the loading force curve is large, the loading force can be increased when passing through a high point of the surface of the material, the loading force can be reduced when passing through a low point, the obtained experimental data cannot truly reflect the surface performance of the material, and because the special structural design in the force measuring machine head 3 of the invention forms an automatic balancing mechanism, the weight 324 is added on the weight disc 306 when guaranteeing that the contact 309 moves on the surface of a detected piece, the constant loading force can be guaranteed no matter the high point or the low point of the surface of the detected piece, the experimental data is more accurate, and the specific effect is shown in fig. 12.
By means of the lifting mechanism 2, the force measuring machine head 3 can move up and down, so that stable downward movement of the force measuring machine head 3 in an experiment process is achieved, the lifting mechanism 2 drives the force measuring machine head 3 to move down, the force measuring machine head 3 is used for increasing loading force in a descending process, the stable increase of the loading force can be guaranteed by combining a special structure of the force measuring machine head 3, accuracy of experimental data is guaranteed, the specific effect is as shown in fig. 13, meanwhile, when the loading force reaches a certain value, a layer on the surface of a detected piece starts to fall off, at the moment, an acoustic signal collector 314 can collect a fluctuation signal, an acoustic signal curve can fluctuate in a large range, and information that the layer falls off can be accurately mastered.
When the device is used, a detected piece is fixed in the bench clamp 505 and the position is adjusted, then the balance weight 305 is adjusted to enable the cross beam 302 to be horizontal, then the distance between the detected piece and the loading rod 307 is adjusted, the contact head 309 is adjusted to be in contact with the detected piece, then the weight 324 is added on the weight disc 306, the weight 324 is pressed by the nut 325, a constant loading force is formed on the detected piece through the contact head 309, then the material surface performance tester is started, the detected piece forms left-right reciprocating motion, namely the relative motion between the contact head 309 and the detected piece is realized, the contact head 309 can generate left-right tiny displacement due to the action of friction force in the experimental process, the loading rod 307 is driven to move left and right, the linear bearing 310 and the bearing sleeve 311 are further driven to move, the bearing sleeve 311 transmits the force to the adjusting screw 312, the friction force is measured by the friction force sensor 313, and the friction force experiment is completed; meanwhile, the contact 309 moves up and down due to the smooth condition of the surface of the detected piece, the contact 309 drives the loading rod 307 to move up and down, the loading rod 307 enables the left side and the right side of the cross beam 302 to swing slightly up and down, so that the loading force data collected by the loading force sensor 315 fluctuate, the elastic modulus detection is completed, the experiments such as thickness detection and abrasion loss detection can be completed by replacing the contact 309, the loading motor 214 can be controlled to slowly descend at a uniform speed in the experimental process, the stable increasing function of the loading force is realized, tiny sound fluctuation is generated when the coating on the surface of the detected piece falls off in the experimental process, the sound signal collector 314 can collect fluctuation signals at the moment, after a group of experiments are completed, the material surface performance tester is stopped, the position movement of the detected piece is completed by adjusting the workbench 5, and the next group of comparison performance experiments can be performed.
Claims (5)
1. The material surface property tester is characterized in that: the device comprises a reciprocating mechanism (1), a lifting mechanism (2), a force measuring machine head (3) and a base (4), wherein the reciprocating mechanism (1) and the lifting mechanism (2) are connected to the base (4), the reciprocating mechanism (1) is arranged on the left side of the lifting mechanism (2), and the force measuring machine head (3) is connected to the lifting mechanism (2) through a piston (201);
the reciprocating mechanism (1) comprises a frame (101), a reciprocating motor (102), a gear tooth belt (103), a reciprocating screw (104), a sliding rail (105) and a sliding table (106), wherein a sliding rail mounting groove (107) is formed in the upper portion of the frame (101), the sliding rail (105) is connected in the sliding rail mounting groove (107), the sliding table (106) is connected in the sliding rail (105), the reciprocating motor (102) is arranged in the frame (101), the reciprocating screw (104) penetrates through the sliding table (106), the reciprocating screw (104) is in threaded connection with the sliding table (106), the reciprocating screw (104) is horizontally arranged in the sliding rail mounting groove (107), the reciprocating screw (104) is in rotary connection with the sliding rail mounting groove (107), and the gear tooth belt (103) is connected with the reciprocating motor (102) and the reciprocating screw (104);
the reciprocating mechanism (1) further comprises a workbench (5), wherein the workbench (5) comprises a bracket (501), a supporting plate (502), a supporting plate handle (503), a bench clamp shell (504), a bench clamp (505) and a bench clamp handle (506);
the support (501) is fixed on the sliding table (106), a sliding groove (507) is formed in the support (501), the sliding groove (507) is horizontally arranged, the sliding groove (507) is vertically arranged with the reciprocating screw rod (104), baffles (508) are arranged at two ends of the sliding groove (507), the supporting plate (502) is slidably connected in the sliding groove (507), the supporting plate handle (503) penetrates through the baffles (508) and the supporting plate (502), the supporting plate handle (503) is rotationally connected with the baffles (508), the supporting plate handle (503) is in threaded connection with the supporting plate (502), the bench clamp shell (504) is fixed on the supporting plate (502), a bench clamp mounting groove (509) is formed in the bench clamp shell (504), the bench clamp mounting groove (509) is consistent with the sliding groove (507), a pair of bench clamps (505) are arranged in the bench clamp mounting groove (509), the bench clamp handle (506) penetrates through the wall of the bench clamp mounting groove (509), one end of the bench clamp handle (506) is connected with the bench clamp, and the bench clamp handle (506) is in threaded connection with the bench clamp mounting groove (509).
The lifting mechanism (2) comprises a piston (201), a lifting screw rod (202), an adjusting nut (203), a plane bearing (204), a turbine (205), a worm (206), a hand wheel (207), a guide strut (208), a cylinder (209) and a loading motor (214);
the utility model is characterized in that a guide hole (210), a transmission chamber (211) and a piston cylinder (212) are arranged in the cylinder body (209), a step surface (213) is arranged between the transmission chamber (211) and the piston cylinder (212), the transmission chamber (211) is communicated with the guide hole (210) and the piston cylinder (212), the upper end of the piston (201) is connected with a force measuring machine head (3), the lower end of the piston (201) is connected with a lifting screw (202), the piston (201) is arranged in the piston cylinder (212), a turbine (205) is in threaded connection with the lifting screw (202), two end surfaces of the turbine (205) are connected with plane bearings (204), the turbine (205) and the plane bearings (204) are arranged in the transmission chamber (211), the lower surface of the plane bearings (204) is jointed with the step surface (213), an adjusting nut (203) is in threaded connection with the upper end of the transmission chamber (211), the lower surface of the adjusting nut (203) is jointed with the upper surface of the plane bearings (204), a guide strut (208) is arranged in the guide hole (210), the outer edge of the guide strut (208) is jointed with the inner wall of the guide hole (210), the guide strut (208) is connected with the lifting screw (205) in threaded connection with the lifting screw (202), two end surfaces of the turbine (205) are connected with the worm wheel (206) and the worm (206) is meshed with the worm screw (206), the hand wheel (207) is arranged outside the cylinder (209), and the other end of the worm (206) is connected with the loading motor (214);
the force measuring machine head (3) comprises a machine head body (301), a cross beam (302), a short shaft (303), an adjusting screw (304), a balancing weight (305), a weight disc (306), a loading rod (307), a pin shaft (308), a contact head (309), a linear bearing (310), a bearing sleeve (311), an adjusting screw (312), a friction sensor (313), an acoustic signal collector (314), a loading force sensor (315) and a sensor cushion block (316);
the beam (302) is arranged in the machine head body (301), a shaft hole (317) is formed in the middle of the beam (302), the shaft hole (317) is arranged in the front-back direction, a short shaft (303) penetrates through the shaft hole (317), two ends of the short shaft (303) are connected to the machine head body (301), a groove (318) and a sensor mounting groove (319) are formed in the right end of the beam (302), the groove (318) is formed above the sensor mounting groove (319), a balancing weight (305) is arranged in the groove (318), the outer wall of the balancing weight (305) is attached to the inner wall of the groove (318), two ends of an adjusting screw (304) are connected to the groove (318), the adjusting screw (304) penetrates through the balancing weight (305), the adjusting screw (304) is in threaded connection with the balancing weight (305), a load sensor (315) is arranged in the sensor mounting groove (319), the left end of the load sensor (315) is connected with the beam (302), a sensor cushion block (316) is connected to the lower portion of the load sensor (315), the front end of the beam (302) is provided with a load rod mounting groove (320), the load rod (307) is hinged to the load rod (307) through a pin shaft (308) in the groove (320), the load rod (307) is arranged in the symmetrical bearing (310), the bearing housing (311) is connected to linear bearing (310) outer fringe, bearing housing (311) sliding connection is on the aircraft nose body (301), bearing housing (311) left end is equipped with friction sensor (313), friction sensor (313) upper end is connected with aircraft nose body (301), friction sensor (313) lower part is connected with adjusting screw (312), adjusting screw (312) and friction sensor (313) threaded connection, adjusting screw (312) right-hand member is connected with bearing housing (311), acoustic signal collector (314) are connected to loading rod (307) lower extreme, contact head (309) are connected to acoustic signal collector (314) lower extreme, weight dish (306) lower extreme is equipped with connecting rod (322), connecting rod (322) pass aircraft nose body (301), connecting rod (322) connect crossbeam (302), weight dish (306) upper end is equipped with haulage rod (323), haulage rod (323) overcoat has weight (324), be connected with nut (325) on the haulage rod (323), nut (325) set up in weight (324) top, weight dish (306), loading rod (307), contact head (309) are connected on same axis, weight dish (321) are equipped with piston (321) under the piston (201), piston mounting hole (321).
2. The material surface property tester of claim 1, wherein: the contact head (309) is a pressure head, a grinding head or a scriber.
3. The material surface property tester of claim 1, wherein: the loading force sensor (315) is an cantilever beam type force sensor, and the sensor model is as follows: yongzheng brand 108BA-30Kg.
4. The material surface property tester of claim 1, wherein: the model of the sound signal collector (314) is as follows: SS-20T-6.8E.
5. The material surface property tester of claim 1, wherein: the friction force sensor (313) is an cantilever beam type force sensor, and the sensor model is as follows: yongzheng brand 1B-YZ-5Kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910088272.4A CN109827899B (en) | 2019-01-29 | 2019-01-29 | Material surface property tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910088272.4A CN109827899B (en) | 2019-01-29 | 2019-01-29 | Material surface property tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109827899A CN109827899A (en) | 2019-05-31 |
| CN109827899B true CN109827899B (en) | 2024-04-12 |
Family
ID=66862931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910088272.4A Active CN109827899B (en) | 2019-01-29 | 2019-01-29 | Material surface property tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109827899B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333156A (en) * | 2019-06-24 | 2019-10-15 | 浙江大学 | Nonmetallic materials frictional wear test device under hydrogen gas environment |
| CN113447385B (en) * | 2021-05-31 | 2022-11-04 | 宁波拓普汽车电子有限公司 | Automobile spare tire cover simulation test device |
| CN113533021B (en) * | 2021-06-28 | 2024-06-04 | 王志 | Vertical loading device for overall static performance of horizontal lifeline device |
| CN113983911B (en) * | 2021-11-01 | 2022-05-10 | 江西江铃专用车辆厂有限公司 | Heavy-load high-strength steel lightweight container plate performance detection device and use method |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE695524A (en) * | 1966-03-16 | 1967-08-14 | ||
| SU1211638A1 (en) * | 1983-02-28 | 1986-02-15 | Ордена Трудового Красного Знамени Институт Сверхтвердых Материалов Ан Усср | Arrangement for material fatigue testing |
| SU1539560A1 (en) * | 1988-05-24 | 1990-01-30 | Красноярский Политехнический Институт | Bed for testing friction clutches |
| US5456118A (en) * | 1994-02-18 | 1995-10-10 | Pine Instrument Company | Gyratory compactor |
| JPH11183327A (en) * | 1997-12-19 | 1999-07-09 | Honda Motor Co Ltd | Test device for ball screw |
| RU2140066C1 (en) * | 1998-04-06 | 1999-10-20 | Кубанский государственный технологический университет | Machine to test samples for friction-mechanical fatigue |
| KR20040089763A (en) * | 2003-04-15 | 2004-10-22 | 한국과학기술연구원 | Friction Tester |
| CN101042319A (en) * | 2007-04-19 | 2007-09-26 | 华东理工大学 | In-situ measurement system of material micro-creep |
| CN201034896Y (en) * | 2007-04-05 | 2008-03-12 | 张国珍 | Frictional wear tester |
| CN201034897Y (en) * | 2007-05-24 | 2008-03-12 | 张国珍 | Vacuum low-temperature frictional wear tester |
| CN101144764A (en) * | 2007-09-11 | 2008-03-19 | 中北大学 | Dynamic and static mechanics integrated test platform |
| CN201133893Y (en) * | 2007-04-28 | 2008-10-15 | 张国珍 | Multifunctional material surface behaviour tester |
| CN101493402A (en) * | 2009-03-02 | 2009-07-29 | 北京航空航天大学 | Sheet material forming and drawing frictional property test machine |
| CN101526463A (en) * | 2009-04-23 | 2009-09-09 | 哈尔滨工业大学 | Experimental apparatus for testing sliding friction property of friction materials |
| CN201373842Y (en) * | 2009-03-02 | 2009-12-30 | 北京航空航天大学 | Plate formation drawing friction performance test machine |
| CN101706410A (en) * | 2009-11-30 | 2010-05-12 | 中国科学院力学研究所 | Knife edge support friction test device |
| CN101975708A (en) * | 2010-10-29 | 2011-02-16 | 华南理工大学 | Weight loading ring-piece type corrosive wear tester |
| CN102621060A (en) * | 2012-03-14 | 2012-08-01 | 西安交通大学 | Vacuum friction abrasion test device |
| CN103308447A (en) * | 2013-05-31 | 2013-09-18 | 西安交通大学 | Contacting and rubbing device of nano-particle air film static-pressure thrust bearing |
| CN104502271A (en) * | 2015-01-04 | 2015-04-08 | 哈尔滨工程大学 | Device for measuring friction coefficient of water-lubricated bearing with low speed and heavy load |
| BR102014002955A2 (en) * | 2014-02-07 | 2015-12-08 | Univ Fed Do Parana | rvdt differential rotary transformer-type sensor microtribometer adaptation equipment for tribological testing, measuring friction coefficient and wear rates in biomaterials used in orthopedic knee prostheses |
| CN209589801U (en) * | 2019-01-29 | 2019-11-05 | 兰州华汇仪器科技有限公司 | Material surface property tester |
-
2019
- 2019-01-29 CN CN201910088272.4A patent/CN109827899B/en active Active
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE695524A (en) * | 1966-03-16 | 1967-08-14 | ||
| SU1211638A1 (en) * | 1983-02-28 | 1986-02-15 | Ордена Трудового Красного Знамени Институт Сверхтвердых Материалов Ан Усср | Arrangement for material fatigue testing |
| SU1539560A1 (en) * | 1988-05-24 | 1990-01-30 | Красноярский Политехнический Институт | Bed for testing friction clutches |
| US5456118A (en) * | 1994-02-18 | 1995-10-10 | Pine Instrument Company | Gyratory compactor |
| JPH11183327A (en) * | 1997-12-19 | 1999-07-09 | Honda Motor Co Ltd | Test device for ball screw |
| RU2140066C1 (en) * | 1998-04-06 | 1999-10-20 | Кубанский государственный технологический университет | Machine to test samples for friction-mechanical fatigue |
| KR20040089763A (en) * | 2003-04-15 | 2004-10-22 | 한국과학기술연구원 | Friction Tester |
| CN201034896Y (en) * | 2007-04-05 | 2008-03-12 | 张国珍 | Frictional wear tester |
| CN101042319A (en) * | 2007-04-19 | 2007-09-26 | 华东理工大学 | In-situ measurement system of material micro-creep |
| CN201133893Y (en) * | 2007-04-28 | 2008-10-15 | 张国珍 | Multifunctional material surface behaviour tester |
| CN201034897Y (en) * | 2007-05-24 | 2008-03-12 | 张国珍 | Vacuum low-temperature frictional wear tester |
| CN101144764A (en) * | 2007-09-11 | 2008-03-19 | 中北大学 | Dynamic and static mechanics integrated test platform |
| CN101493402A (en) * | 2009-03-02 | 2009-07-29 | 北京航空航天大学 | Sheet material forming and drawing frictional property test machine |
| CN201373842Y (en) * | 2009-03-02 | 2009-12-30 | 北京航空航天大学 | Plate formation drawing friction performance test machine |
| CN101526463A (en) * | 2009-04-23 | 2009-09-09 | 哈尔滨工业大学 | Experimental apparatus for testing sliding friction property of friction materials |
| CN101706410A (en) * | 2009-11-30 | 2010-05-12 | 中国科学院力学研究所 | Knife edge support friction test device |
| CN101975708A (en) * | 2010-10-29 | 2011-02-16 | 华南理工大学 | Weight loading ring-piece type corrosive wear tester |
| CN102621060A (en) * | 2012-03-14 | 2012-08-01 | 西安交通大学 | Vacuum friction abrasion test device |
| CN103308447A (en) * | 2013-05-31 | 2013-09-18 | 西安交通大学 | Contacting and rubbing device of nano-particle air film static-pressure thrust bearing |
| BR102014002955A2 (en) * | 2014-02-07 | 2015-12-08 | Univ Fed Do Parana | rvdt differential rotary transformer-type sensor microtribometer adaptation equipment for tribological testing, measuring friction coefficient and wear rates in biomaterials used in orthopedic knee prostheses |
| CN104502271A (en) * | 2015-01-04 | 2015-04-08 | 哈尔滨工程大学 | Device for measuring friction coefficient of water-lubricated bearing with low speed and heavy load |
| CN209589801U (en) * | 2019-01-29 | 2019-11-05 | 兰州华汇仪器科技有限公司 | Material surface property tester |
Non-Patent Citations (5)
| Title |
|---|
| Landing Dynamics of Swimming Bacteria on a Polymeric Surface: Effect of Surface Properties;Meng Qi et al.;《Langmuir》;第33卷(第14期);3525-3533 * |
| 三维编制复合材料预制件表面性能测试系统;李学明等;《产业用纺织品》;第15卷(第4期);32-37 * |
| 包亦望.《先进陶瓷力学性能评价方法与技术》.中国建材工业出版社,2017,(第1版),198-199. * |
| 泥沙颗粒表面力学及摩擦性能测试分析;雷帆等;《硅酸盐通报》;第31卷(第2期);426-430 * |
| 薄膜表面力学性能测试先进技术;李昊初;《广东省真空学会第五届会员代表大会暨2014年学术年会论文集》;77-89 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109827899A (en) | 2019-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109827899B (en) | Material surface property tester | |
| CN109682751B (en) | Multifunctional material surface performance tester and control system thereof | |
| CN201034896Y (en) | Frictional wear tester | |
| CN201133893Y (en) | Multifunctional material surface behaviour tester | |
| CN203471634U (en) | Automatic rotation positioning assembly | |
| CN111693396B (en) | Multi-dimensional in-situ observation friction testing machine capable of positioning observation and quick-change clamp | |
| CN109211064B (en) | Comprehensive clearance measuring device for bearing | |
| CN205426517U (en) | Lathe main shaft comprehensive properties detection / monitoring testing system | |
| CN105180881B (en) | Parallelism detection equipment | |
| CN206200753U (en) | A kind of emery wheel circular runout on-position measure device | |
| JPS6150007A (en) | Tracer for measuring surface shape | |
| JP3977766B2 (en) | Friction / wear measuring device | |
| CN105466382A (en) | Radial-displacement numerical control detection apparatus of bearing retainer and rolling body | |
| CN201548181U (en) | High-precision straightness inspector | |
| CN107598194B (en) | Machine tool spindle test run platform capable of simulating working condition | |
| CN209589801U (en) | Material surface property tester | |
| CN210198886U (en) | Rotary friction and wear tester | |
| CN108169048B (en) | Novel friction and wear testing machine for film | |
| CN104792361A (en) | Cone-cylinder shaped part centroid and centroidal deviation measuring device | |
| CN202420973U (en) | Tension and compression stiffness testing machine for precise materials | |
| CN209589802U (en) | Multifunctional material surface property tester and its control system | |
| CN203550937U (en) | Large-size meter-provided right angle verticality measurement gauge | |
| CN217179548U (en) | Online measuring equipment for excircle of part | |
| CN101982749B (en) | Method and device for measuring dynamic characteristics of indexing motion of tool holder | |
| CN109352431B (en) | Ultrasonic vibration grinding removal amount in-place detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |