CN117554284A - Nanosecond laser micro-texture silicon rubber surface icing adhesive force testing system - Google Patents
Nanosecond laser micro-texture silicon rubber surface icing adhesive force testing system Download PDFInfo
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- CN117554284A CN117554284A CN202410012611.1A CN202410012611A CN117554284A CN 117554284 A CN117554284 A CN 117554284A CN 202410012611 A CN202410012611 A CN 202410012611A CN 117554284 A CN117554284 A CN 117554284A
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- 229920002379 silicone rubber Polymers 0.000 title claims abstract description 47
- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 239000000853 adhesive Substances 0.000 title abstract description 12
- 230000001070 adhesive effect Effects 0.000 title abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 64
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 230000000903 blocking effect Effects 0.000 claims description 14
- 239000004945 silicone rubber Substances 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 230000000704 physical effect Effects 0.000 abstract description 2
- 238000005056 compaction Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to the technical field of material surface physical property testing, in particular to a nanosecond laser micro-texture silicon rubber surface icing adhesive force testing system, which comprises a bedplate, wherein one end of the bedplate is provided with a propulsion motor, a propulsion screw rod is fixed at the driving end of the propulsion motor, two first guide rods are fixed at the positions of the upper side of the bedplate, which are positioned at the two sides of the propulsion screw rod, and a sliding table is connected to the outer sides of the two first guide rods in a sliding manner. According to the utility model, the propelling screw rod is driven to rotate by the propelling motor, so that the slipway and the supporting table are driven to move, the supporting table drives the silicon rubber sheet and the ice column to move, meanwhile, the pushing force of the ice column can be gradually transmitted to one end of the S-shaped pressure sensor through the pressure detection mechanism, so that the pushing force born by the S-shaped pressure sensor is smoothly increased, the S-shaped pressure sensor has enough time to detect the pushing force, and the instant rapid increase of the pushing force is prevented from affecting the detection effect of the S-shaped pressure sensor.
Description
Technical Field
The utility model relates to the technical field of material surface physical property testing, in particular to a nanosecond laser micro-texture silicon rubber surface icing adhesive force testing system.
Background
In a low-temperature and humid environment, natural precipitation (snowfall, freezing rain, condensation and the like) is easy to freeze on the surface of an object to form an ice-coating layer. The silicon rubber umbrella skirt wrapped on the outer side of the insulator in the electric power system can generate icing on the surface under an outdoor low-temperature environment, and as the smoothness of the surface of the silicon rubber umbrella skirt is very low, the bonding force between the icing and the surface of the silicon rubber umbrella skirt is large, the icing is difficult to fall off from the surface of the silicon rubber umbrella skirt due to the bonding force, so that the icing on the surface of the silicon rubber umbrella skirt cannot be accumulated excessively to cause the insulator to fall off, and the bonding force between the silicon rubber umbrella skirt and the icing needs to be tested.
The utility model patent CN217006926U discloses an icing surface adhesive force testing device, which comprises an insulation box body, wherein a detachable fixing plate is arranged in the insulation box body, the fixing plate is fixed by bolts, an anti-icing protective film can be adhered on the fixing plate or an anti-icing coating is coated on the fixing plate to serve as a testing surface, a frozen ice cylinder is placed on the testing surface, crushed ice and supercooled water are used for preparing ice columns in the frozen ice cylinder, a traction wire is arranged on the frozen ice cylinder, and the traction wire is connected with a clamp of a tensile testing machine after the direction of the traction wire is changed through a pulley.
When the device pulls the icicle attached to the surface of the object, the tensile force at the moment that the icicle and the surface of the object drop is measured through the tension meter, so that the adhesive force between the object and the icicle is obtained, but when in actual test, the previous moment that the icicle and the surface of the object drop is larger, the moment that the icicle and the surface of the object drop is separated, the interaction force is reduced to zero instantly, and the tension meter can be subjected to larger impact fluctuation in the process, so that the measurement of the maximum adhesive force between the icicle and the object by the tension meter is seriously influenced, and the measurement precision of the adhesive force is reduced.
Disclosure of Invention
The utility model aims to provide a nanosecond laser micro-texture silicon rubber surface icing adhesive force testing system for solving the problems in the background technology.
The technical scheme of the utility model is as follows: nanosecond laser microtexture silicone rubber surface icing adhesion test system, including the platen, propulsion motor is installed to the one end of platen, propulsion motor's drive end is fixed with propulsion lead screw, the upside of platen is located propulsion lead screw both sides position department and is fixed with two first guide arms, two the outside sliding connection of first guide arm has the slip table, propulsion lead screw and slip table threaded connection, the upside of slip table is fixed with the brace table, the controller is installed to the upside other end of platen, propulsion motor and controller electric connection still include:
the two pressing mechanisms are respectively arranged at the two ends of the supporting table;
the displacement triggering mechanism is arranged on the upper side of the supporting table and positioned at one end;
the two third linear bearings are connected to the outer sides of the two first guide rods in a sliding mode, locking mechanisms are arranged on the lower sides of the two third linear bearings, check mechanisms are arranged among the two third linear bearings, the two first guide rods and the platen respectively, and pressure detection mechanisms are arranged between the upper sides of the two third linear bearings and the platen.
Preferably, the pressure detection mechanism comprises a vertical plate fixed at one end of the upper side of the bedplate, two second guide rods are fixed at one side of the vertical plate, the outer side ends of the two second guide rods are all connected with first linear bearings in a sliding mode, the outer side other ends of the two second guide rods are all connected with second linear bearings in a sliding mode, a sensor push plate is fixed between the two first linear bearings, an S-shaped pressure sensor is fixed between the sensor push plate and the vertical plate, the S-shaped pressure sensor is electrically connected with a controller, an intermediate plate is fixed between the two second linear bearings, an extension plate is fixed at one side of the intermediate plate, one end of the extension plate is fixed with an ice column push plate, two second linear bearings and two first linear bearings are respectively connected with pressing springs, and the two second linear bearings are respectively fixedly connected with the upper sides of the two third linear bearings through vertical fixing rods.
Preferably, the non-return mechanism includes two sliding pin rods fixed at one end of a third linear bearing and positioned at two sides of the third linear bearing, a rotating cylinder rotationally connected at the outer side of the first guide rod and a fixed guide rod fixed at the upper side of the bedplate and positioned at one side of the rotating cylinder, two spiral sliding grooves which are circumferentially arranged are arranged at the outer side of the rotating cylinder, a main gear is fixed at one end of the outer side of the rotating cylinder, two reversing sliding pins are rotationally connected at one end of each sliding pin rod, two reversing sliding pins are respectively in rolling connection with the inner sides of the two spiral sliding grooves, a one-way bearing is rotationally sleeved at one end of the outer side of the fixed guide rod, a non-return gear meshed with the main gear is fixed at the outer side of the one-way bearing, and a bearing elastic mechanism is arranged between the one-way bearing and the fixed guide rod.
Preferably, the bearing elastic mechanism comprises a fixed circular ring fixed at one end of the outer side of the fixed guide rod and a friction ring fixed at one end of the one-way bearing, a plurality of clamping grooves which are circumferentially arranged are formed in one end of the friction ring, two circular ring guide rods are inserted in sliding mode on two sides of the fixed circular ring, one end of each circular ring guide rod is fixedly sleeved with a movable circular ring which is sleeved on the outer side of the fixed guide rod in a sliding mode, compression springs are sleeved on the outer sides of the two circular ring guide rods, and clamping strips which are matched with the movable circular ring are formed in position positions, corresponding to the clamping grooves, of one end of each movable circular ring.
Preferably, a booster motor is arranged at the position of one side of the first guide rod on the upper side of the bedplate, a booster gear is fixed at the driving end of the booster motor, the booster gear is meshed with the main gear through teeth, and the booster motor is electrically connected with the controller.
Preferably, the locking mechanism comprises a connecting rod fixed at one end of the lower side of the third linear bearing, one end of the connecting rod is rotationally connected with a rotary pin, two sides of the rotary pin are respectively fixed with a first rotary rod and a second rotary rod, one end of the first rotary rod is rotationally connected with a compression block, one side of the compression block is provided with a friction plate, one end of the second rotary rod is positioned at the upper side and is provided with an electromagnet and a tight abutting spring, the electromagnet is electrically connected with the controller, and one end of the tight abutting spring is fixedly connected with the lower side of the third linear bearing.
Preferably, the displacement triggering mechanism comprises two third guide rods fixed at one end of the upper side of the supporting table and two micro switches arranged at one side of the two third guide rods at the upper side of the supporting table, wherein the two micro switches are electrically connected with the controller, one ends of the outer sides of the two third guide rods are connected with a speed reducing spring, the outer sides of the two third guide rods are connected with a blocking slide bar in a sliding manner, and an ice column positioning block is fixed at one side of the blocking slide bar at the middle section position.
Preferably, the compressing mechanism comprises two screws penetrating through and rotationally connected to the inside of the supporting table and a compressing driving motor installed at the lower side of the supporting table, a driving belt pulley is fixed at the driving end of the compressing driving motor, driven belt pulleys are fixed at the lower ends of the two screws, the driven belt pulleys are rotationally connected with the driving belt pulley through belts, lifting plates are connected with the outer side threads of the two screws, two rubber pressing blocks are arranged at the positions of the two ends of the lower side of the lifting plates, and the compressing driving motor is electrically connected with the controller.
Preferably, V-shaped grooves are formed in one sides of the ice column positioning block and the ice column pushing plate.
Compared with the prior art, the utility model has the following advantages:
according to the utility model, the propelling screw rod is driven to rotate by the propelling motor, so that the slipway and the supporting table are driven to move, the supporting table drives the silicon rubber sheet and the ice column to move, meanwhile, the pushing force of the ice column can be gradually transmitted to one end of the S-shaped pressure sensor through the pressure detection mechanism, so that the pushing force born by the S-shaped pressure sensor is smoothly increased, the S-shaped pressure sensor has enough time to detect the pushing force, the instant rapid increase of the pushing force is prevented from affecting the detection effect of the S-shaped pressure sensor, and the detection precision of the S-shaped pressure sensor on the pushing force is improved.
According to the utility model, the check mechanism is used for preventing the pressing spring of the pressure detection mechanism from driving the second linear bearing to rebound at the moment when the ice column is separated from the silicon rubber sheet, so that the second linear bearing can continuously apply thrust to the pressing spring, and the maximum thrust generated at the moment before the ice column is separated is continuously applied to one end of the S-shaped pressure sensor, so that fluctuation of detection data of the S-shaped pressure sensor caused by vibration at the moment of separation is prevented, and the test precision of the S-shaped pressure sensor on the surface adhesion force of the silicon rubber sheet is further improved.
According to the utility model, through the displacement triggering mechanism, at the moment that the ice column and the silicon rubber sheet fall off, the ice column slides to push the blocking slide bar to move, so that the blocking slide bar is separated from the micro switches, and the buttons of the two micro switches are reset, so that the input signals of the controller are triggered, the controller further controls the locking mechanism to act, and the locking mechanism fixes the third linear bearing with the first guide rod, so that the second linear bearing is further fixed, the second linear bearing is kept in situ outside the second guide rod, rebound of the second linear bearing is further prevented, the pressure applied by the S-shaped pressure sensor is ensured to be unchanged, and the detection precision of the S-shaped pressure sensor is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a first view structure according to the present utility model;
FIG. 2 is a schematic view of a second view angle structure according to the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3B according to the present utility model;
FIG. 5 is an enlarged schematic view of the structure of FIG. 2C in accordance with the present utility model;
FIG. 6 is an enlarged schematic view of the structure of the utility model at D in FIG. 1;
FIG. 7 is a schematic view of a rotary drum according to the present utility model;
FIG. 8 is a schematic view of the structure of the movable ring and the clamping strip of the present utility model;
fig. 9 is a schematic structural view showing a state where the icicle and the silicone rubber sheet are fixed in the present utility model.
Reference numerals:
1. a platen; 2. a propulsion motor; 3. pushing the screw rod; 4. a first guide bar; 5. a sliding table; 6. a support table; 7. a controller; 101. a second guide bar; 102. a first linear bearing; 103. a sensor push plate; 104. an S-shaped pressure sensor; 105. a second linear bearing; 106. an intermediate plate; 107. pressing the spring; 108. an extension plate; 109. an ice column pushing plate; 111. a vertical plate; 112. a vertical fixing rod; 113. a third linear bearing; 114. a slide pin rod; 115. a reversing slide pin; 116. a rotating cylinder; 117. a spiral chute; 118. fixing a guide rod; 119. a main gear; 120. a one-way bearing; 121. a non-return gear; 122. fixing the circular ring; 123. a circular ring guide rod; 124. a compression spring; 125. a movable ring; 126. a friction ring; 127. a clamping groove; 128. clamping strips; 129. a booster motor; 130. a booster gear; 201. a compaction driving motor; 202. a driving pulley; 203. a screw; 204. a lifting plate; 205. a rubber briquetting; 206. a driven pulley; 301. a connecting rod; 302. a rotary pin; 303. a first rotating lever; 304. a compaction block; 305. a second rotating lever; 306. an electromagnet; 307. a spring is abutted tightly; 308. a friction plate; 309. a third guide bar; 310. a deceleration spring; 311. a blocking slide; 312. an ice column positioning block; 313. and a micro-switch.
Detailed Description
The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a nanosecond laser micro-texture silicon rubber surface icing adhesive force test system by improving the system, which comprises the following technical scheme:
as shown in fig. 1 to 9, the embodiment of the utility model provides a nanosecond laser micro-texture silicon rubber surface icing adhesive force testing system, which comprises a bedplate 1, wherein one end of the bedplate 1 is provided with a propelling motor 2, the driving end of the propelling motor 2 is fixedly provided with a propelling screw rod 3, the upper side of the bedplate 1 is fixedly provided with two first guide rods 4 at the positions of two sides of the propelling screw rod 3, the outer sides of the two first guide rods 4 are slidably connected with a sliding table 5, the propelling screw rod 3 is in threaded connection with the sliding table 5, the upper side of the sliding table 5 is fixedly provided with a supporting table 6, the upper side of the other end of the bedplate 1 is provided with a controller 7, the propelling motor 2 is electrically connected with the controller 7, the system further comprises two compacting mechanisms, a displacement triggering mechanism and third linear bearings 113, the two compacting mechanisms are respectively arranged at two ends of the supporting table 6, the displacement triggering mechanism is arranged at the upper side of the supporting table 6, the two third linear bearings 113 are respectively slidably connected with the outer sides of the two first guide rods 4, the lower sides of the two third linear bearings 113 are respectively provided with locking mechanisms, and the two third linear bearings 113 are respectively provided with a pressure checking mechanism between the two third linear bearings 4 and the two linear bearings 1, and the two linear bearings 113 are respectively arranged between the two linear bearings 1 and the two linear bearings 1 are respectively provided with a pressure checking mechanism.
Further, the pressure detection mechanism comprises a vertical plate 111 fixed at one end of the upper side of the platen 1, two second guide rods 101 are fixed at one side of the vertical plate 111, one ends of the outer sides of the two second guide rods 101 are all connected with first linear bearings 102 in a sliding mode, the other ends of the outer sides of the two second guide rods 101 are all connected with second linear bearings 105 in a sliding mode, a sensor push plate 103 is fixed between the two first linear bearings 102, an S-shaped pressure sensor 104 is fixed between the sensor push plate 103 and the vertical plate 111, the S-shaped pressure sensor 104 is electrically connected with the controller 7, an intermediate plate 106 is fixed between the two second linear bearings 105, an extension plate 108 is fixed at one side of the intermediate plate 106, an ice column push plate 109 is fixed at one end of the extension plate 108, pressing springs 107 are respectively connected between the two second linear bearings 105 and the two first linear bearings 102, and the two second linear bearings 105 are respectively fixedly connected with two third linear bearings 113 through vertical fixing rods 112.
Through pressure detection mechanism, can transmit the thrust of icicle gradually to S-shaped pressure sensor 104 one end, make the smooth-going increase of the thrust that S-shaped pressure sensor 104 received, make S-shaped pressure sensor 104 have enough time to detect the thrust, prevent that the thrust from increasing fast in a moment and influencing the detection effect of S-shaped pressure sensor 104 to help improving the detection precision of S-shaped pressure sensor 104 to the thrust.
Further, the non-return mechanism comprises two sliding pin rods 114 fixed at one end of the third linear bearing 113 and positioned at two sides of the third linear bearing 113, a rotating cylinder 116 rotatably connected to the outer side of the first guide rod 4, and a fixed guide rod 118 fixed at the upper side of the platen 1 and positioned at one side of the rotating cylinder 116, two spiral sliding grooves 117 which are circumferentially arranged are formed in the outer side of the rotating cylinder 116, a main gear 119 is fixed at one end of the outer side of the rotating cylinder 116, reversing sliding pins 115 are rotatably connected to one ends of the two sliding pin rods 114, the two reversing sliding pins 115 are respectively in rolling connection with the inner sides of the two spiral sliding grooves 117, a one-way bearing 120 is rotatably sleeved at one end of the outer side of the fixed guide rod 118, a non-return gear 121 meshed with the main gear 119 is fixed at the outer side of the one-way bearing 120, and a bearing elastic mechanism is arranged between the one-way bearing 120 and the fixed guide rod 118.
Through the non-return mechanism, at the moment that the icicle breaks away from with the silicone rubber piece, can prevent that pressure detection mechanism ' S pressing spring 107 from driving second linear bearing 105 and kick-backing fast, make second linear bearing 105 exert thrust to pressing spring 107 continuously to can be with the icicle last moment before coming off the biggest thrust that produces constantly apply in S-shaped pressure sensor 104 one end, prevent to lead to S-shaped pressure sensor 104 ' S detection data to produce undulant because of coming off the vibrations in the moment, thereby further improved S-shaped pressure sensor 104 to silicone rubber piece surface adhesion ' S test accuracy.
Further, the bearing elastic mechanism comprises a fixed circular ring 122 fixed at one end of the outer side of the fixed guide rod 118 and a friction ring 126 fixed at one end of the one-way bearing 120, a plurality of clamping grooves 127 which are circumferentially arranged are formed in one end of the friction ring 126, two circular ring guide rods 123 are inserted in sliding mode on two sides of the fixed circular ring 122, movable circular rings 125 which are sleeved on the outer side of the fixed guide rod 118 in a sliding mode are fixed at one end of each circular ring guide rod 123, compression springs 124 are sleeved on the outer sides of the two circular ring guide rods 123, and clamping strips 128 which are matched with the clamping grooves 127 are formed in position positions of one end of each movable circular ring 125.
The bearing elastic mechanism is used for fixing the one-way bearing 120 and the outer side of the fixed guide rod 118, so that the check gear 121 at the outer side of the one-way bearing 120 can only rotate in one direction to limit the reverse rotation of the one-way bearing, thereby playing a role in checking, when the bearing elastic mechanism releases the fixing of the one-way bearing 120, the one-way bearing 120 can rotate around the outer side of the fixed guide rod 118 in the forward and reverse directions, so that the check gear 121 can rotate reversely after the test is finished, and the second linear bearing 105 can move reversely to reset.
Further, a booster motor 129 is mounted on the upper side of the platen 1 on the side of the first guide rod 4, a booster gear 130 is fixed at the driving end of the booster motor 129, the booster gear 130 is meshed with the main gear 119, and the booster motor 129 is electrically connected with the controller 7.
When the second linear bearing 105 drives the sliding pin rod 114 and the reversing sliding pin 115 to move to drive the rotating cylinder 116 to rotate, the booster motor 129 can drive the booster gear 130 to rotate, and the booster gear 130 applies a certain rotating torque force to the main gear 119, so that friction force generated by relative movement between parts can be compensated, the influence of the friction force on the S-shaped pressure sensor 104 is reduced, and the measurement accuracy of the S-shaped pressure sensor 104 is improved.
Further, the locking mechanism comprises a connecting rod 301 fixed at one end of the lower side of the third linear bearing 113, one end of the connecting rod 301 is rotatably connected with a rotating pin 302, two sides of the rotating pin 302 are respectively fixed with a first rotating rod 303 and a second rotating rod 305, one end of the first rotating rod 303 is rotatably connected with a compressing block 304, one side of the compressing block 304 is provided with a friction plate 308, one end of the second rotating rod 305 is provided with an electromagnet 306 and a tight-propping spring 307 at the upper side position, the electromagnet 306 is electrically connected with the controller 7, and one end of the tight-propping spring 307 is fixedly connected with the lower side of the third linear bearing 113.
At the moment that the icicle breaks away from the silicon rubber sheet, the locking mechanism fixes the third linear bearing 113 and the first guide rod 4, so that the second linear bearing 105 is further fixed, the second linear bearing 105 is kept at the outer side of the second guide rod 101 in situ, the second linear bearing 105 is further prevented from rebounding, the pressure applied by the S-shaped pressure sensor 104 is ensured to be unchanged, and the detection precision of the S-shaped pressure sensor 104 is further improved.
Further, the displacement triggering mechanism comprises two third guide rods 309 fixed at one end of the upper side of the supporting table 6 and two micro switches 313 installed at one side of the two third guide rods 309 at the upper side of the supporting table 6, the two micro switches 313 are electrically connected with the controller 7, one ends of the outer sides of the two third guide rods 309 are connected with a speed reducing spring 310, the outer sides of the two third guide rods 309 are connected with a blocking slide bar 311 in a sliding manner, and an ice column positioning block 312 is fixed at the position of the middle section of one side of the blocking slide bar 311.
Through displacement trigger mechanism, in the moment that the icicle drops with the silicone rubber piece, the icicle slides and promotes and stops the draw runner 311 and remove, makes and stops draw runner 311 and micro-gap switch 313 separation to make the button of two micro-gap switches 313 reset, thereby triggered the input signal of controller 7, controller 7 again controls locking mechanism and moves fast, thereby fixes third linear bearing 113 fast, keeps the pressure to S-shaped pressure sensor 104 unchanged, improves measurement accuracy.
Further, the compressing mechanism comprises two screws 203 penetrating through and rotatably connected to the inside of the supporting table 6 and a compressing driving motor 201 installed at the lower side of the supporting table 6, a driving belt pulley 202 is fixed at the driving end of the compressing driving motor 201, driven belt pulleys 206 are fixed at the lower ends of the two screws 203, the two driven belt pulleys 206 are rotatably connected with the driving belt pulley 202 through belts, the two screws 203 are in threaded connection with a lifting plate 204, two rubber pressing blocks 205 are arranged at the positions of two ends of the lower side of the lifting plate 204, and the compressing driving motor 201 is electrically connected with the controller 7. Since the lifting plate 204 is simultaneously screwed with the two screws 203, the lifting plate 204 can be prevented from synchronously rotating along with the rotation of the screws 203. The silicon rubber sheet is tightly pressed on the upper side of the supporting table 6, so that the silicon rubber sheet is prevented from sliding during testing, the reliability of test data is ensured, and the testing accuracy is improved.
Further, V-grooves are provided on one side of the icicle positioning block 312 and the icicle push plate 109. The V-shaped groove plays a role in positioning, so that the icicles are prevented from deviating from the surface of the silicon rubber sheet, and the adhesive force testing precision is improved.
Working principle: during testing, a silicon rubber sheet with an ice column adhered to the surface is placed on the upper side of the supporting table 6, as shown in an attached drawing 9 of the specification, then the controller 7 is used for controlling the operation of the compaction driving motors 201 of the two compaction mechanisms to drive the driving pulleys 202 to rotate, the driving pulleys 202 drive the two driven pulleys 206 to synchronously rotate through belts, the two driven pulleys 206 respectively drive the two screws 203 to rotate, the two screws 203 rotate and drive the lifting plate 204 to move downwards through threads, the lifting plate 204 drives the rubber press block 205 on the lower side of the lifting plate to move downwards, so that the rubber press block 205 is pressed on the upper side of the silicon rubber sheet, the silicon rubber sheet is compacted on the upper side of the supporting table 6, the silicon rubber sheet is prevented from sliding during testing, the reliability of test data is guaranteed, and the test accuracy is improved.
The blocking slide bar 311 of the displacement triggering mechanism is moved, so that the ice column positioning block 312 at one side of the blocking slide bar 311 is in critical fit with one side of the ice column, and therefore one side of the blocking slide bar 311 just presses the two micro switches 313, at the moment, the two deceleration springs 310 are in original length, then the controller 7 controls the operation of the pushing motor 2 to drive the pushing screw rod 3 to rotate, the pushing screw rod 3 rotates to drive the sliding table 5 to slide along the outer side of the first guide rod 4 through threads, the sliding table 5 drives the supporting table 6 and the silicon rubber sheet and the ice column at the upper side of the supporting table to move rightwards, when the other side of the ice column contacts with the V-shaped groove at one side of the ice column pushing plate 109, the ice column continues to move, thrust is applied to the ice column pushing plate 109 and the extension plate 108 of the pressure detecting mechanism, the extension plate 108 applies thrust to the two second linear bearings 105 through the middle plate 106, the two second linear bearings 105 apply thrust to the two pressing springs 107 respectively, the two pressing springs 107 are compressed after receiving the thrust force and can simultaneously transmit the thrust force of the two second linear bearings 105 to the two first linear bearings 102, the two first linear bearings 102 transmit the thrust force to the S-shaped pressure sensor 104 through the sensor push plate 103, the S-shaped pressure sensor 104 can detect the received thrust force and transmit detection data to the controller 7, the magnitude of the thrust force received by the S-shaped pressure sensor 104 can be obtained after the processing of the controller 7, the thrust force applied by the two pressing springs 107 can be gradually increased along with the continuous movement of the silicon rubber sheet and the ice column driven by the supporting table 6, the thrust force can be slowly and uniformly transmitted to the S-shaped pressure sensor 104, the thrust force received by the S-shaped pressure sensor 104 is gradually increased, the S-shaped pressure sensor 104 has enough time to detect the thrust force, the influence of the instant rapid increase of the pushing force on the detection effect of the S-shaped pressure sensor 104 is prevented, so that the detection accuracy of the S-shaped pressure sensor 104 on the pushing force is improved, the pushing force applied to the S-shaped pressure sensor 104 reaches the maximum value at the instant of the falling of the ice column and the surface of the silicon rubber sheet, and the maximum bonding force of the ice coating on the surface of the silicon rubber sheet can be tested.
The two second linear bearings 105 of the pressure detection mechanism are driven to move by thrust, and simultaneously, the two third linear bearings 113 are driven to synchronously move along the outer sides of the two first guide rods 4 by the two vertical fixing rods 112, and the two sliding pin rods 114 of the check mechanism are driven to move rightwards by the third linear bearings 113 when moving, the two sliding pin rods 114 drive the two reversing sliding pins 115 to move rightwards, the two reversing sliding pins 115 are respectively connected with the inner sides of the two spiral sliding grooves 117 in a rolling way, so that the rotating cylinder 116 can be driven to rotate, the rotating cylinder 116 drives the main gear 119 to rotate, the compression springs 124 of the bearing elastic mechanism apply thrust to the movable circular ring 125 at the moment, the clamping strips 128 on one side of the movable circular ring 125 are clamped with the inner sides of the clamping grooves 127, so that the unidirectional bearings 120 are fixed with the outer sides of the fixing guide rods 118, the main gear 119 drives the check gear 121 to rotate unidirectionally, when the ice columns and the surfaces of the silicon rubber sheets fall off, the thrust of the ice column to the ice column pushing plate 109 is instantaneously reduced to zero, at this time, under the action of the elastic force of the two pressing springs 107, the two second linear bearings 105 have a tendency of reverse movement, because the one-way bearing 120 can only rotate unidirectionally and lock reversely, the one-way bearing 120 can limit the reverse rotation of the check gear 121 and the main gear 119, thereby limiting the rotation of the rotating cylinder 116, further limiting the reverse movement of the sliding pin 114, the reversing sliding pin 115 and the third linear bearing 113, the third linear bearing 113 limits the reverse movement of the second linear bearing 105 through the vertical fixing rod 112, at this time, the second linear bearing 105 continuously applies the thrust to the pressing springs 107, so that the maximum thrust generated immediately before the ice column is dropped can be continuously applied to one end of the S-shaped pressure sensor 104, the fluctuation of the detection data of the S-shaped pressure sensor 104 caused by the vibration of the dropping instant is prevented, thereby further improving the test accuracy of the adhesion force of the S-shaped pressure sensor 104 to the surface of the silicon rubber sheet.
In the system test process, the electromagnets 306 of the locking mechanisms at the lower sides of the two third linear bearings 113 are always in an electrified state, one ends of the second rotating rods 305 are attracted upwards, the first rotating rods 303 at the other sides are enabled to rotate downwards by a certain angle, certain gaps are formed between the friction plates 308 and the first guide rods 4, when the ice columns and the surfaces of the silicon rubber sheets fall off, the ice columns can slide leftwards rapidly, the ice column positioning blocks 312 and the blocking slide bars 311 of the displacement triggering mechanism are pushed to move leftwards along the third guide rods 309 when the ice columns move leftwards, one sides of the blocking slide bars 311 are separated from the two micro switches 313 instantaneously, so that the buttons of the two micro switches 313 are reset, input signals of the controller 7 are triggered, the electromagnet 306 of the two locking mechanisms are controlled to be powered off after the controller 7 receives the signals, the electromagnet 306 of the two locking mechanisms is enabled to lose electromagnetic attraction, one ends of the second rotating rods 305 are pushed downwards by a certain angle under the action of the elasticity of the abutting springs 307, the second rotating rods 305 drive the first rotating rods 303 to rotate upwards by a certain angle, the friction plates 308 on one sides of the pressing blocks 304 are enabled to abut against the outer sides of the first guide rods 4 when the ice columns move leftwards, accordingly, the third linear bearings 113 and the first linear bearings 105 can be enabled to move leftwards along the third guide rods 309, the two linear bearings 311 are enabled to move leftwards, the two linear bearings are enabled to be separated from being separated from the sliding, the sliding bar 104, the pressure sensor 104 is enabled to be further prevented from being pressed, the impact of the pressure sensor 105 is further, and the impact of the pressure sensor is prevented from being applied to the pressure sensor 105, and the pressure sensor is stable, and the pressure sensor is prevented from being pressed, and stable, and the pressure sensor is caused.
After the test is completed, the propulsion motor 2 is controlled to reversely rotate to drive the sliding table 5 and the supporting table 6 to move left for resetting, the locking mechanism is released simultaneously, the third linear bearing 113 and the first guide rod 4 are enabled to resume relative movement, then the movable circular ring 125 is pushed to one end, the movable circular ring 125 moves right for compressing the compression spring 124, meanwhile, the clamping strips 128 at one end of the movable circular ring 125 are separated from the clamping grooves 127, relative rotation between the one-way bearing 120 and the fixed guide rod 118 is enabled to resume, and therefore the check gear 121, the main gear 119 and the rotating cylinder 116 can be enabled to reversely rotate for resetting, the third linear bearing 113 and the second linear bearing 105 are enabled to reversely move for resetting, and the test step is ended.
The previous description is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. Nanosecond laser microtexture silicone rubber surface icing adhesion test system, including platen (1), propulsion motor (2) are installed to the one end of platen (1), propulsion motor (2) drive end is fixed with propulsion lead screw (3), the upside of platen (1) is located propulsion lead screw (3) both sides position department and is fixed with two first guide arms (4), two the outside sliding connection of first guide arm (4) has slip table (5), propulsion lead screw (3) and slip table (5) threaded connection, the upside of slip table (5) is fixed with brace table (6), controller (7) are installed to the upside other end of platen (1), propulsion motor (2) and controller (7) electric connection, its characterized in that still includes:
the two pressing mechanisms are respectively arranged at the two ends of the supporting table (6);
the displacement triggering mechanism is arranged on the upper side of the supporting table (6) and positioned at one end;
the two third linear bearings (113), two third linear bearings (113) sliding connection are in the outside of two first guide arm (4), two the downside of third linear bearings (113) all is provided with locking mechanism, and all is provided with check mechanism between two third linear bearings (113), two first guide arm (4) and platen (1), two be provided with pressure detection mechanism between the upside of third linear bearings (113) and platen (1).
2. The nanosecond laser micro-textured silicone rubber surface icing adhesion force test system according to claim 1, wherein the system is characterized in that: the pressure detection mechanism comprises a vertical plate (111) fixed at one end of the upper side of a bedplate (1), two second guide rods (101) are fixed on one side of the vertical plate (111), one side of each second guide rod (101) is connected with a first linear bearing (102) in a sliding mode, the other ends of the outer sides of the two second guide rods (101) are connected with second linear bearings (105) in a sliding mode, a sensor push plate (103) is fixed between each first linear bearing (102), an S-shaped pressure sensor (104) is fixed between each sensor push plate (103) and the corresponding vertical plate (111), the S-shaped pressure sensor (104) is electrically connected with a controller (7), an intermediate plate (106) is fixed between each second linear bearing (105), an extension plate (108) is fixed on one side of each intermediate plate (106), an ice column push plate (109) is fixed on one end of each extension plate (108), two second linear bearings (105) and two first linear bearings (102) are respectively connected with a spring (107), and the two second linear bearings (105) are respectively connected with each second linear bearing (112) in a fixed mode.
3. The nanosecond laser micro-textured silicone rubber surface icing adhesion force test system of claim 2, wherein the system is characterized by: the non-return mechanism is including fixing two sliding pin rods (114) in third linear bearing (113) one end and being located third linear bearing (113) both sides, rotate and connect the fixed guide arm (118) in platen (1) upside and being located one side of rotating tube (116) in a rotating tube (116) outside, spiral spout (117) that are circumference range have been seted up in the outside of rotating tube (116), and the outside one end of rotating tube (116) is fixed with master gear (119), two the one end of sliding pin rod (114) all rotates and is connected with switching-over sliding pin (115), two switching-over sliding pin (115) respectively with the inboard roll connection of two spiral spouts (117), the outside one end rotation cover of fixed guide arm (118) is equipped with one-way bearing (120), the outside of one-way bearing (120) is fixed with check gear (121) with master gear (119) looks meshing, and is provided with bearing elasticity mechanism between one-way bearing (120) and the fixed guide arm (118).
4. The nanosecond laser micro-textured silicone rubber surface icing adhesion force test system of claim 3, wherein the system comprises the following components: the bearing elastic mechanism comprises a fixed annular ring (122) fixed at one end of the outer side of a fixed guide rod (118) and a friction ring (126) fixed at one end of a one-way bearing (120), a plurality of clamping grooves (127) which are circumferentially arranged are formed in one end of the friction ring (126), two annular ring guide rods (123) are inserted in sliding mode on two sides of the fixed annular ring (122), two movable annular rings (125) sleeved on the outer side of the fixed guide rod (118) are fixedly arranged at one end of each annular ring guide rod (123) in a sliding mode, compression springs (124) are sleeved on the outer sides of the two annular ring guide rods (123), and clamping strips (128) matched with the clamping grooves (127) are formed in position positions of one end of each movable annular ring (125) corresponding to the clamping grooves.
5. The nanosecond laser micro-textured silicone rubber surface icing adhesion force test system of claim 3, wherein the system comprises the following components: an assisting motor (129) is arranged at one side of the first guide rod (4) on the upper side of the bedplate (1), an assisting gear (130) is fixed at the driving end of the assisting motor (129), the assisting gear (130) is meshed with the main gear (119) through teeth, and the assisting motor (129) is electrically connected with the controller (7).
6. The nanosecond laser micro-textured silicone rubber surface icing adhesion force test system of claim 2, wherein the system is characterized by: the locking mechanism comprises a connecting rod (301) fixed at one end of the lower side of a third linear bearing (113), one end of the connecting rod (301) is rotationally connected with a rotary pin (302), two sides of the rotary pin (302) are respectively fixed with a first rotary rod (303) and a second rotary rod (305), one end of the first rotary rod (303) is rotationally connected with a compression block (304), one side of the compression block (304) is provided with a friction plate (308), one end of the second rotary rod (305) is provided with an electromagnet (306) and a tight spring (307) at the upper side, the electromagnet (306) is electrically connected with a controller (7), and one end of the tight spring (307) is fixedly connected with the lower side of the third linear bearing (113).
7. The nanosecond laser micro-textured silicone rubber surface icing adhesion force test system of claim 6, wherein the system is characterized by: the displacement triggering mechanism comprises two third guide rods (309) fixed at one end of the upper side of the supporting table (6) and two micro switches (313) arranged on one side of the two third guide rods (309) on the upper side of the supporting table (6), the two micro switches (313) are electrically connected with the controller (7), one ends of the outer sides of the two third guide rods (309) are connected with a speed reducing spring (310), the outer sides of the two third guide rods (309) are connected with a blocking slide bar (311) in a sliding mode, and an ice column positioning block (312) is fixed at one side of the blocking slide bar (311) at the middle section position.
8. The nanosecond laser micro-textured silicone rubber surface icing adhesion force test system according to claim 1, wherein the system is characterized in that: the compressing mechanism comprises two screws (203) which penetrate through the supporting table (6) and are connected with the supporting table (6) in a penetrating mode, a compressing driving motor (201) is installed on the lower side of the supporting table, driving pulleys (202) are fixed to the driving ends of the compressing driving motor (201), driven pulleys (206) are fixed to the lower ends of the screws (203), the driven pulleys (206) are connected with the driving pulleys (202) in a rotating mode through belts, lifting plates (204) are connected with the outer side threads of the screws (203) in a threaded mode, two rubber pressing blocks (205) are arranged on the lower sides of the lifting plates (204) at the positions of two ends, and the compressing driving motor (201) is electrically connected with a controller (7).
9. The nanosecond laser micro-textured silicone rubber surface icing adhesion force test system of claim 7, wherein the system is characterized by: and V-shaped grooves are formed in one sides of the ice column positioning block (312) and the ice column pushing plate (109).
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