WO2013007127A1 - 复合材料芯棒卷绕试验机 - Google Patents

复合材料芯棒卷绕试验机 Download PDF

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Publication number
WO2013007127A1
WO2013007127A1 PCT/CN2012/075011 CN2012075011W WO2013007127A1 WO 2013007127 A1 WO2013007127 A1 WO 2013007127A1 CN 2012075011 W CN2012075011 W CN 2012075011W WO 2013007127 A1 WO2013007127 A1 WO 2013007127A1
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WO
WIPO (PCT)
Prior art keywords
winding
wheel
sample
mandrel
protective cover
Prior art date
Application number
PCT/CN2012/075011
Other languages
English (en)
French (fr)
Inventor
李�瑞
钱苗
俞敏波
李国勇
朱志华
Original Assignee
浙江华电器材检测研究所
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 浙江华电器材检测研究所 filed Critical 浙江华电器材检测研究所
Priority to US13/979,829 priority Critical patent/US9255868B2/en
Publication of WO2013007127A1 publication Critical patent/WO2013007127A1/zh

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/26Investigating twisting or coiling properties
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/20Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/28Investigating ductility, e.g. suitability of sheet metal for deep-drawing or spinning
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/026Specifications of the specimen
    • G01N2203/0262Shape of the specimen
    • G01N2203/0264Beam
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/026Specifications of the specimen
    • G01N2203/0262Shape of the specimen
    • G01N2203/0278Thin specimens
    • G01N2203/028One dimensional, e.g. filaments, wires, ropes or cables

Definitions

  • the present invention relates to a test device for a material for a power transmission line, and more particularly to a carbon fiber/glass fiber reinforced composite.
  • Carbon fiber/glass fiber resin refers to a kind of composite material composed of carbon fiber and glass fiber as a reinforcing phase mixed in a resin matrix phase, because of its high specific strength, high specific modulus, high temperature resistance, corrosion resistance, A series of excellent performances such as fatigue resistance, creep resistance, small sag and small coefficient of thermal expansion, catering to the power industry
  • the carbon fiber composite core with carbon fiber/resin as the center layer and glass fiber/resin as the coating layer came into being.
  • the carbon fiber/glass fiber composite core has a mass of about 1/5 and a linear expansion coefficient of about 1/12 compared to a conventional steel core.
  • the outer glass fiber enhances the wear resistance of the mandrel and helps to reduce damage between the mandrel and the aluminum wire.
  • the surface of the mandrel is smooth, and it can directly cooperate with the trapezoidal section soft aluminum stranded wire without post-processing, which provides the possibility and necessity for its application in the transmission overhead line industry, and can also reduce the power loss during transmission, reducing the loss by 20%.
  • Tower poles saving land, reducing metal resource consumption, and helping to construct a safe, environmentally friendly, and highly efficient grid.
  • the core material In order to facilitate the transportation and pay-off process of the transmission line, the core material is often wound on a reasonable size disc. In order to transport strands more, it is often preferred to wind the core material around a disc of the smallest possible size.
  • the carbon fiber/glass fiber composite core has a high modulus of elasticity, a low elongation, and the outer glass fiber is exposed to scratches or damages, which are undetectable surface defects. If the size of the disk used is too small, the core may be caused. The rod is damaged or even broken.
  • the object of the present invention is to overcome the above problems existing in the prior art and to provide a specific material for composite materials.
  • the mandrel winding tester can effectively measure the minimum winding radius of the mandrel made of carbon fiber/glass fiber reinforced composite material of different diameters and materials by self-clamping, tight winding and time-loading.
  • the core rod made of carbon fiber/glass fiber reinforced composite material provides test data and design basis in actual use and carrying.
  • a composite core rod winding tester including a shield, a sample introduction device, a winding device, and a programmable controller, the sample introduction device, and the winding
  • the device is disposed in the protective cover, and the programmable controller is disposed outside the protective cover, and is characterized by:
  • the sample introduction device comprises a pair of standing seats and a pair of guiding mechanisms, wherein the pair of guiding mechanisms are arranged back and forth on the standing seat, wherein each of the guiding mechanisms comprises a support and a hand wheel a light rod, a pressure plate and a pair of upper guide wheels and a pair of lower guide wheels, wherein the hand wheel is threadedly connected to the pressure plate after passing through the top plate of the support; the rotating shaft of the upper guide wheel is disposed at The pressure plate has two ends penetrating into the longitudinal grooves formed in the side plates of the support; the rotating shaft of the lower guide wheel is disposed on the side plate of the support; the optical rod is axially connected to the a side plate of the support, the two ends are fixed on the pair of seats, and the optical rod is parallel to the rotation axis of the upper guide wheel and the lower guide wheel;
  • the winding device comprises a bracket, a driving motor, a winding wheel and a clamping device, wherein the driving motor is arranged on the bracket, and the shaft extending end is provided with a linkage shaft, and the winding wheel is arranged at
  • the clamping device comprises a connecting head, a mandrel clamping sleeve, a gasket and a bolt, wherein the connecting head is arranged on the winding wheel, and the connecting head is provided with the receiving
  • the mandrel of the mandrel clamping sleeve is provided with a mandrel perforation, and is placed on one side of the connecting head, the sleeve is placed in the receiving hole, and the sleeve is opened with a screw hole;
  • the spacer and the bolt are placed on the other side of the connector, and the bolt is connected to the screw hole of the mandrel clamping sleeve.
  • the sample introduction device ensures that the sample can be fed smoothly in the set direction, and the sample maintains a constant tension. Therefore, the radius of curvature of the sample after winding is consistent with the outer diameter of the winding wheel, which ensures the test. Accuracy and reliability;
  • the winding device has a simple structure, convenient operation and automatic feeding.
  • the motor speed and the outer diameter of the winding wheel can be adjusted as needed, and can be widely applied to samples of different specifications;
  • the programmable controller can be used to set and automatically control the winding test of various specifications and samples, and calculate and output the test results.
  • the sample introduction device of the present invention has the following working process: first loosening the hand wheel of the front and rear guiding mechanism, Then, the sample is passed through the upper and lower guide wheels of the rear guiding mechanism, and then passed through the upper and lower guiding wheels of the front guiding mechanism, and the hand wheel of the front and rear guiding mechanism is tightened. After the pressing plate is descended, the sample is pressed against the upper and lower guiding wheels. Between, and maintain a certain tension. Continue to pull the end of the sample to the winding device and secure it. During the winding test, the sample can travel in the upper and lower guide wheels to allow the sample to feed smoothly in the set direction.
  • the guiding mechanism can automatically adjust the feeding angle of the sample and the shaking occurred during the feeding process.
  • the pressure plate due to the action of the pressure plate, only the rolling between the sample and the guide wheel is generated without relative sliding, and the sample maintains a constant tension. Therefore, the radius of curvature of the sample after winding is consistent with the outer diameter of the winding wheel, which ensures the test. Accuracy and reliability.
  • the polished rod is coupled to the support by a ball bearing shaft.
  • each of the stands is provided with a plurality of longitudinally arranged adjustment holes for fixing the polished rods of the rear guiding mechanism. Since the winding tester is configured with different diameters of the winding wheel according to different specifications of the sample, in order to ensure that the sample is linearly tangentially wound into the winding wheel for each test, the height of the rear guiding mechanism needs to be performed. Adjustment. When the diameter of the winding wheel is small, when the cutting point of the winding wheel coincides with the feeding height of the front guiding mechanism, the rear guiding mechanism is fixed at the same height as the front guiding mechanism, and the sample is fed in a horizontal state.
  • the cutting point of the winding wheel is lower than the feeding height of the front guiding mechanism, and the rear guiding mechanism can be fixed to the upper adjusting hole to keep the sample in a straight state feeding.
  • the adjustment holes are set according to the diameter of the existing winding wheel.
  • each of the stands is further provided with a longitudinal guiding groove communicating with the adjusting holes.
  • each of the stands is provided with a longitudinal adjusting groove for fixing the polished rod of the rear guiding mechanism. This structure makes it possible to steplessly adjust the height of the rear guide mechanism.
  • the winding device of the present invention operates as follows: The sample is pierced through a mandrel provided on the sleeve of the mandrel clamp, and the bolt is tightened to fix the sample.
  • the drive motor When the drive motor is turned on, the rotation of the motor drives the linkage shaft to rotate, and then the rotation of the winding wheel can be tested. After the winding wheel has rotated the set number of turns, the power is turned off, the drive motor stops, and the test ends. Inspect the surface of the specimen to see if it is cracked or broken.
  • the drive motor is provided with a speed reduction device, preferably an integral motor speed reducer, to make the product structure more compact.
  • the motor can also be a servo motor for easy automatic control and adjustment.
  • the present invention is provided with a variety of winding wheels.
  • the hub of the winding wheel must have sufficient strength to support the centripetal force generated by the mandrel during winding.
  • the material of the disc surface in contact with the mandrel bar should not be too hard, otherwise the surface fiber of the composite core rod may be damaged, causing the core rod to crack and affect the test results.
  • the hub is as light as possible for easy replacement.
  • MC high-strength nylon is preferably used to make the hub, and a plurality of through holes are symmetrically opened on the hub disk surface without affecting the strength of the hub, thereby reducing the weight of the hub and facilitating installation and replacement.
  • the outermost side of the linkage shaft is provided with a tamper-proof cover to prevent the winding wheel from coming off during the winding process.
  • a displacement encoder is further disposed on the linkage shaft, and the number of rotations of the winding wheel is converted into an electrical signal output to the programmable controller, which is accurately calculated by the programmable controller and reaches the setting. After the value is held for 30 seconds, then the test is stopped to achieve the purpose of automatic control.
  • the two sides of the protective cover have a double-layer structure, wherein the inner layer is a metal punched mesh plate, and the outer layer is a plexiglass plate, so that the test condition of the sample can be seen, and Prevent the debris from flying out and injuring people after the sample breaks.
  • the top plate of the protective cover is a metal plate and is detachable for easy replacement.
  • the protective cover has two visible doors on the front for easy replacement of the winding wheel and installation of the sample.
  • the material used for the door is double-layer colorless tempered glass, and the two layers of glass are bonded by a sealant, which increases the impact resistance of the glass.
  • the protective cover further includes a video monitoring system including a monitor disposed outside the protective cover, a monitoring distribution box disposed above the protective cover, and a protective cover disposed on the protective cover
  • a video monitoring system including a monitor disposed outside the protective cover, a monitoring distribution box disposed above the protective cover, and a protective cover disposed on the protective cover
  • the camera at the four corners allows video surveillance of the test process.
  • the camera is facing the tester hub roll surface, and the surface state of the sample in the circumferential direction of the hub is divided into four different directions.
  • the picture is displayed on the video, that is, all the wound faces of the sample are covered, so that the video monitoring has no blind spot.
  • the monitoring power distribution box is used to power the video surveillance system and can store data boxes for replaying video.
  • FIG. 1 is a schematic view showing the structure of a composite mandrel winding tester of the present invention.
  • Figure 2 is a perspective view of the composite mandrel winding tester of the present invention.
  • Figure 3 is a schematic view showing the structure of the side panel of the shield of the present invention.
  • Fig. 4 is a schematic view showing the structure of the sample introduction device of the present invention.
  • Fig. 5 is a perspective view of the sample introduction device of the present invention.
  • Fig. 6 is a perspective view showing the other direction of the sample introduction device of the present invention.
  • Fig. 7 is a view showing the structure of a guide mechanism of the sample introduction device of the present invention.
  • Fig. 8 is a view showing an application state of the sample introduction device of the present invention with a smaller diameter winding wheel.
  • Fig. 9 is a view showing an application state of the sample introduction device of the present invention when a larger diameter winding wheel is provided.
  • Fig. 10 is a schematic view showing the structure of the longitudinal direction guiding groove of the invention sample introducing device.
  • Fig. 11 is a view showing the structure of the embodiment of the invention sample introduction device with a longitudinal adjustment groove.
  • Figure 12 is a schematic view showing the structure of the winding device of the present invention.
  • Figure 13 is a left side view of Figure 12.
  • Figure 14 is a schematic view showing the structure of a winding wheel of the winding device of the present invention.
  • Figure 15 is a plan view of Figure 14.
  • Figure 16 is a rear elevational view of Figure 14.
  • Figure 17 is a schematic view showing the structure of a holding device of the winding device of the present invention.
  • Figure 18 is a front elevational view of the clamping device of the invention.
  • Figure 19 is an enlarged cross-sectional view taken along the line 18A-A.
  • Figure 20 is a schematic view of the loading and unloading of the winding wheel of the winding device of the present invention.
  • Figure 21 is a block diagram showing the structure of the programmable controller of the present invention.
  • Figure 22 is a rear elevational view of the programmable controller of the present invention.
  • Figure 23 is a flow chart of the test of the present invention.
  • 501 Adjustment hole
  • 502 Front guide mechanism 503 Rear guide mechanism
  • 504 struts 505—stand
  • 506 handwheel 507 polished rod
  • 508 anti-detachment cover
  • 509 ball bearing
  • 510-lower guide wheel 511 platen
  • 512 pedestal 513-upper guide wheel
  • 514 top plate 515 side plate
  • 516 shaft 517-longitudinal groove
  • 518 shaft 519 longitudinal guide groove
  • 520 longitudinal adjustment groove 523 sample introduction point
  • 302 winding wheel
  • 303 clamping device
  • 304 drive motor
  • 305 bracket bracket
  • 306 anti-detachment cover
  • 307 displacement encoder 308
  • linking shaft 309 rim
  • 310 keyway 311 hub
  • 312 through hole
  • 313 bushings 314-mounting holes
  • 315-joints 317 mandrel clamps
  • 318-core piercings 319 tapped holes
  • 320-receiving holes 321 bolts, 322 spacers, 323 Keyway, 324 sets, 325 sets;
  • a composite core rod winding tester of the present invention includes a shield 2, a sample introduction device 5, a winding device 3, and a programmable controller 6, and the sample introduction is performed.
  • the winding device 3 of the device 5 is disposed in the protective cover 2, and the programmable controller 6 is disposed outside the protective cover 2 due to the composite material core rod at the moment of cracking, there will be fiber bundles and dust Ejected into the surrounding air, in order to ensure the safety of the test personnel, to prevent the tester from being bulleted or inhaled by the fiber bundle, and to observe the cracking of the sample in real time, the present invention installs a video monitoring system.
  • the video surveillance system includes a monitor 7 disposed outside the shield, a monitoring distribution box 9 disposed above the shield, and a camera 8 disposed at four corners of the shield to provide video monitoring of the test process.
  • the camera 8 is facing the test machine hub roll surface, and the surface state of the sample in the circumferential direction of the hub is divided into four different directions to display on the video, that is, covering all the wound faces of the sample to ensure that there is no blind spot for video monitoring.
  • the monitoring distribution box 9 is used to provide power to the video surveillance system and can store data boxes for replaying video. This method not only ensures the safety of the test personnel, but also monitors and records the test process in real time, improving the reliability of judging the damage state of the sample.
  • the top plate 204 of the shield 2 is a metal plate and is detachable.
  • the front cover of the protective cover 2 is provided with two visible doors 4; the material of the visible door 4 is double-layer colorless tempered glass, and the two layers of glass are bonded by a sealant.
  • the sample introduction device 5 of the composite core rod winding tester of the present invention comprises a pair of stand 505 and a pair of guiding mechanisms 502, 503, said pair of guiding mechanisms 502 503 is disposed on the stand 505.
  • a stay 504 is also provided between the pair of stand 5s.
  • each of the guide mechanisms 502, 503 includes a support 512, a hand wheel 506, a polished rod 507, a pressure plate 511, and a pair of upper guide wheels 513 and a pair of lower guide wheels 510 disposed opposite each other.
  • the holder 512 has a top plate 514 and a pair of side plates 515.
  • the hand wheel 506 is disposed at the top and is threadedly coupled to the pressure plate 511 after passing through the top plate 514 of the support 512.
  • the rotating shaft 516 of the upper guiding wheel 513 is disposed on the pressing plate 511, and both ends thereof penetrate into the longitudinal grooves 517 formed in the side plates 515 of the support 512. Since the rotating shaft 516 can freely move up and down in the longitudinal groove 517, the upper guiding wheel 513 can move up and down within a certain range with the pressing plate 511.
  • the rotating shaft 518 of the lower guide wheel 510 is disposed on the side plate 515 of the support 512.
  • the light rod 507 is axially connected to the center plate of the side plate 515 of the support 512 by a ball bearing 509, and the two ends penetrate the adjustment holes 501 of the two bases 505; the anti-detach cover 508 is removed from the stand 505.
  • the outer sleeve is at the end of the polished rod.
  • the bolt 525 is then screwed into the screw hole 524 formed in the end of the polished rod.
  • the polished rod 507 is parallel to the rotating shaft 516 of the upper guiding wheel 513 and the rotating shaft 518 of the lower guiding wheel 510.
  • the hand wheel 506 is rotated to move the platen 511 upward, and the upper guide wheel 513 is also moved upward.
  • the sample 1 is passed between the upper and lower guide wheels, and the hand wheel 506 is rotated in the opposite direction to lower the platen 511 until the upper guide wheel 513 presses the sample. After the end of the sample is attached to the winding wheel, the test can be performed. The sample maintains a certain tension during the winding process.
  • the guide wheel device is also used to apply a certain amount of frictional resistance to the carbon fiber rods.
  • a plurality of longitudinally arranged adjustment holes 501 are defined in each of the stands 505 for fixing the polished rod 507 of the rear guiding mechanism 503.
  • the winding tester since the winding tester is configured with different diameters of the winding wheels according to different specifications of the sample, in order to ensure that the sample is linearly tangentially wound into the winding wheel for each test, it is necessary to guide the rear.
  • the height of the organization is adjusted.
  • the diameter of the winding wheel 302 is small, when the sample cutting point 523 of the winding wheel coincides with the feeding height of the front guiding mechanism 502, the rear guiding mechanism 503 is fixed in the lowermost adjusting hole 501-1 to make the front and rear guiding mechanism The height is the same, and the sample 1 is fed in a horizontal state.
  • the sample cutting point 523 of the winding wheel is lower than the feeding height of the front guiding mechanism 502, and the rear guiding mechanism 503 can be fixed to the upper adjusting hole 501.
  • the adjustment holes are set according to the existing winding wheel diameter specifications.
  • each of the bases 505 is further provided with a longitudinal guiding groove 519 communicating with the adjusting holes 501.
  • a longitudinal guiding groove 519 communicating with the adjusting holes 501.
  • the adjusting hole may be replaced by a longitudinal adjusting groove 520, and the optical rod 507 of the rear guiding mechanism 503 is fixed in the adjusting groove 520 so that the height of the rear guiding mechanism 503 can be eliminated.
  • Level adjustment may be replaced by a longitudinal adjusting groove 520, and the optical rod 507 of the rear guiding mechanism 503 is fixed in the adjusting groove 520 so that the height of the rear guiding mechanism 503 can be eliminated.
  • the polished rod 507 in order to ensure the level of the polished rod 507, the polished rod 507 can also be controlled by an electric lifting method.
  • the winding device 3 of the present invention includes a bracket 305, a drive motor 304, a winding wheel 302, and a clamping device 303.
  • the drive motor 304 is disposed on the bracket 305, and the shaft end is provided.
  • the linkage shaft 308 is also A displacement encoder 307 is provided.
  • the winding wheel 302 is made of MC high-strength nylon, and 306 through holes 312 are symmetrically opened on the hub surface without affecting the strength of the hub, thereby reducing the weight of the hub. Easy to install and replace.
  • the winding wheel 302 is provided with a sleeve 313 which cooperates with the linkage shaft 308, and the sleeve 313 is provided with a key groove 310.
  • a mounting hole 314 is formed in the hub 311 for mounting the clamping device 303.
  • the clamping device 303 includes a connector 315, a mandrel clamping sleeve 317, a spacer 322 and a bolt 321 .
  • the connecting head 315 is provided with a mounting hole 316 corresponding to the mounting hole 314 formed in the hub 311, and the connecting head 315 is fixed to the hub surface of the winding wheel 302 by screws.
  • One end of the connector 315 is provided with a receiving hole 320.
  • the sleeve 324 of the mandrel clamping sleeve 317 is provided with a mandrel hole 318, and is placed on one side of the connector 315.
  • the sleeve 325 is placed in the receiving hole 320, and the sleeve is provided with a screw hole. 319.
  • the spacer 322 and the bolt 321 are placed on the other side of the connector 315, and the bolt 321 is connected to the screw hole 319 of the mandrel clamping sleeve 317.
  • the sample 1 is passed through a mandrel pierce 318 opened in the clamping sleeve 324, and the bolt 321 is tightened to tighten the sample to fix the sample.
  • the present invention is provided with a variety of winding wheels.
  • the retaining cover 306 is first removed, and then the hub is mounted on the linkage shaft 308.
  • a keyway 323 is defined in the linkage shaft 308, and the winding wheel is fixed to the linkage shaft 308 by a keying. Finally, the anti-closure cover 306 is attached.
  • the diameter of the linkage shaft is lmm smaller than the diameter of the winding wheel, which is easy to install and disassemble.
  • the programmable controller 6 of the present invention is a towline type control box, which is convenient for the tester to take the control box and observe the test at different positions while also controlling the test machine in time;
  • the bottom surface is provided with four rubber feet 603, which can be placed on the table;
  • the back of the control box is provided with a long hole 604 for hanging the control box on the protective cover.
  • the control box is equipped with an emergency stop switch 602, which can be stopped in time when there is an unexpected need to stop.
  • the control box also has a man-machine interface 601 for setting parameters.
  • the test procedure of the testing machine of the present invention is as follows: Turn on the main power of the programmable controller 6, press the reset button on the man-machine interface 601, and the winding wheel 302 will be rotated to the initial setting which can facilitate the installation of the sample. Position, according to the specifications of the carbon fiber rod, select the corresponding clamping sleeve 317, the carbon fiber rod first passes through the guide wheel of the sample introduction device, and then inserted into the hole in the clamping sleeve 317 of the winding device, and the screw 321 is tightened. The sample can be pressed. Then manually tighten the rotating handwheel of the induction. Close the protective door 4 after installing the sample.
  • test Set the number of windings on the man-machine interface, and then start the test. When the sample is cracked or rotated to a specified number of turns, the test is stopped. The damage of the sample is observed by the monitor 7, and the sample is rotated and the sample is finished. test. The test can be played back through video surveillance.

Abstract

一种复合材料芯棒卷绕试验机,包括防护罩(2)、试样导入装置(5)、卷绕装置(3)和可编程控制器(6),所述的试样导入装置(5)、卷绕装置(3)设置在所述的防护罩内,所述的可编程控制器(6)设置在所述的防护罩(2)外侧。本发明具有以下特点:1、试样导入装置确保试样能够沿设定的方向平稳地进给,试样上保持恒定的张力,故卷绕后试样的曲率半径与卷绕轮的外径一致,能够确保测试的精度和可靠性;2、卷绕装置结构简单,操作方便,且能自动进给。电机转速和卷绕轮外径可根据需要进行调节,可广泛适用于不同规格型号的试样;3、采用可编程控制器,可对各种规格型号的试样的卷绕试验进行设定和自动控制,并计算和输出试验结果。

Description

复合材料芯棒卷绕试验机 技术领域 本发明涉及输电线路用材料的试验装置,尤其涉及碳纤维 /玻璃纤维增强复合 说
材料制成的芯棒的卷绕试验装置, 具体地说是一种碳纤维 /玻璃纤维增强复合芯 棒卷绕试验机。 背景技术 碳纤维 /玻璃纤维树脂是指由碳纤维和玻璃纤维作为增强相混杂于一种树脂 基体相中构成的一类复合材料, 因其具有高比强度、高比模量、耐高温、耐腐蚀、 耐疲劳、抗蠕变、 弧垂小和热膨胀系数小等一系列优异性能, 迎合了电力行业对 书
新型输电线路绞线芯材的要求, 由此以碳纤维 /树脂为中心层、 玻璃纤维 /树脂为 包覆层的碳纤维复合芯应运而生。在随后的研究中发现, 与常规钢芯相比, 碳纤 维 /玻璃纤维复合芯的质量约为 1/5, 线膨胀系数约为 1/12。 外层玻璃纤维增强了 芯棒的耐磨性, 且有助于减小芯棒和铝线间的损伤。 芯棒表面光滑, 不需后期加 工可直接与梯形截面软铝绞线配合,从而为其在输电架空线路行业中的应用提供 了可能和必然, 还可减少传输中电力的损耗, 减少 20%的塔杆, 节省用地, 减少 金属资源消耗, 有助于构造安全、 环保、 高效节约型电网。
为方便输电线路绞线的运输和放线过程,往往将其芯材卷绕于一合理尺寸的 圆盘上进行。为更多地运送绞线, 人们往往选择将芯材卷绕于尺寸尽可能小的圆 盘。 然而, 碳纤维 /玻璃纤维复合芯的弹模量高, 延伸率低, 外层玻璃纤维裸露 故容易产生划痕或损伤等不宜被发觉的表面缺陷,若使用的圆盘尺寸过小有可能 导致芯棒受损甚至折断。
如何快捷高效地检验碳纤维 /玻璃纤维复合芯裸露表面的缺陷、如何为碳纤维 /玻璃纤维复合芯的运输和放线提供安全合理的曲率半径, 已成为新型电力行业 输电线路绞线安全运行首要解决的关键问题。 发明内容 本发明的目的在于克服现有技术存在的以上问题,提供一种专用于复合材料 芯棒卷绕试验机, 通过对试样进行自行夹持、 紧密卷绕和定时保载, 有效测得不 同直径、不同材质的碳纤维 /玻璃纤维增强复合材料制成的芯棒的最小卷绕半径, 为碳纤维 /玻璃纤维增强复合材料制成的芯棒在实际使用和运载时提供试验数据 和设计依据。
为实现以上目的, 本发明采用以下技术方案: 复合材料芯棒卷绕试验机, 包 括防护罩、 试样导入装置、 卷绕装置和可编程控制器, 所述的试样导入装置的、 卷绕装置设置在所述的防护罩内, 所述的可编程控制器设置在所述的防护罩外 侧, 其特征在于:
所述的试样导入装置包括一对立座和一对导向机构, 所述的一对导向机构 前后设置在所述的立座上, 其特征在于所述的每个导向机构包括支座、手轮、光 杆、压板以及相对配置的一对上导向轮和一对下导向轮, 所述的手轮穿过支座的 顶板后与所述的压板螺纹连接; 所述的上导向轮的转轴设置在所述的压板上, 其 两端穿入支座的侧板上开设的纵向槽内;所述的下导向轮的转轴设置在支座的侧 板上; 所述的光杆轴接在所述的支座的侧板上, 两端固定在所述的一对立座上, 并且所述的光杆与所述上导向轮的转轴和下导向轮的转轴平行;
所述的卷绕装置包括支架、驱动电机、卷绕轮和夹持装置, 其特征在于所述 的驱动电机设置在支架上,其轴伸端设有联动轴, 所述的卷绕轮设置在所述的联 动轴上; 所述的夹持装置包括连接头、 芯棒夹紧套、 垫片和螺栓, 所述的连接头 设置在所述的卷绕轮上,连接头上设有容置孔; 所述的芯棒夹紧套的套头上设有 芯棒穿孔, 并置于连接头的一侧, 套身置于所述的容置孔内, 套尾开设有螺孔; 所述的垫片和螺栓置于连接头的另一侧, 所述的螺栓与芯棒夹紧套的螺孔连接。
本发明的复合材料芯棒卷绕试验机, 具有以下特点:
1、 试样导入装置确保试样能够沿设定的方向平稳地进给, 试样上保持恒定 的张力, 故卷绕后试样的曲率半径与卷绕轮的外径一致, 能够确保测试的精度和 可靠性;
2、 卷绕装置结构简单, 操作方便, 且能自动进给。 电机转速和卷绕轮外径 可根据需要进行调节, 可广泛适用于不同规格型号的试样;
3、 采用可编程控制器, 可对各种规格型号的试样的卷绕试验进行设定和自 动控制, 并计算和输出试验结果。
本发明的试样导入装置, 其工作过程如下: 先将前后导向机构的手轮旋松, 然后将试样从后导向机构的上下导向轮中穿过后,再从前导向机构的上下导向轮 中穿出, 旋紧前后导向机构的手轮, 压板下行后试样被压紧于上下导向轮之间, 并保持一定的张力。继续拉动试样端部至卷绕装置并固定。在进行卷绕试验过程 中, 试样就能在上下导向轮中行进, 使试样能够沿设定的方向平稳地进给。 由于 支座可绕光杆转动,因此导向机构能够对试样进给角度及进给过程中出现的晃动 进行自动调整。同时由于压板的作用使试样与导向轮之间只产生滚动而没有相对 滑动, 试样上保持恒定的张力, 故卷绕后试样的曲率半径与卷绕轮的外径一致, 能够确保测试的精度和可靠性。
作为本发明的进一步改进, 所述的光杆通过滚珠轴承轴接在所述的支座上。 作为本发明的再进一步改进,所述的每个立座上对应开设有一组纵向排列的 调节孔,用以固定所述的后导向机构的光杆。 由于卷绕试验机根据不同规格的试 样要求配置不同直径的卷绕轮,为使每次试验都能保证试样呈直线状态切向卷入 卷绕轮上, 需要对后导向机构的高度进行调整。 当卷绕轮直径较小时, 卷绕轮的 试样切入点与前导向机构的进给高度一致时,后导向机构固定在与前导向机构相 同高度的位置, 试样呈水平状态进给。 当卷绕轮直径较大时, 卷绕轮的试样切入 点低于前导向机构的进给高度,此时可将后导向机构固定在较上面的调节孔, 使 试样保持直线状态进给。 上述调节孔按已有的卷绕轮直径进行设置。
再进一步地,所述的每个立座上还开设有一条与所述各调节孔联通的纵向导 向槽。在更换不同直径卷绕轮后继续试验时, 只需将光杆从一对调节孔出移到纵 向导向槽内, 再进入到下一个试验对应的调节孔内即可, 使操作更为方便。
更进一步地,所述的每个立座上开设有一条纵向的调节槽, 用以固定所述的 后导向机构的光杆。 这种结构, 可以对后导向机构的高度进行无级调节。
本发明的卷绕装置,其工作过程如下: 将试样穿过芯棒夹紧套的套头上开设 的芯棒穿孔, 旋紧螺栓使试样固定。 开启驱动电机, 电机旋转带动联动轴转动, 进而带动卷绕轮转动便可进行测试。等卷绕轮转过设定的圈数后断开电源, 驱动 电机停转, 测试结束。 检查试样表面, 观察是否有裂纹或断裂现象。
根据本发明, 所述的驱动电机带减速装置, 优选一体式电机减速机, 使产品 结构更为紧凑。 电机也可以是伺服电机, 便于自动控制和调节。
为研究不同规格型号芯棒的最小卷绕半径, 本发明配套了多种规格的卷绕 轮。 卷绕轮的轮毂必须有足够的强度, 可以支撑起芯棒在卷绕时产生的向心力。 但轮毂与芯棒接触的盘面材质不可过硬, 否则可能会损伤复合材料芯棒表层纤 维, 导致芯棒开裂, 影响试验结果。 轮毂重量尽可能轻, 以便更换方便。 为此, 本发明中优先采用 MC高强尼龙制作轮毂, 并在不影响轮毂强度的情况下,在轮 毂盘面上对称地开设多个通孔, 达到减少轮毂重量, 方便安装更换的目的。
作为本发明的进一步改进, 联动轴最外侧设有防脱盖, 以防止卷绕轮在卷绕 过程中脱出。
作为本发明的再进一步改进, 联动轴上还设有位移编码器, 将卷绕轮的转动 圈数转化为电信号输出到可编程控制器, 由可编程控制器精确计算, 并在达到设 定值后保载 30秒, 然后停止试验, 从而达到自动控制的目的。
作为本发明的再进一步改进,所述防护罩的两侧板为双层结构, 其中里层为 金属冲孔网板, 外层为有机玻璃板, 即可看到试样的测试情况, 又能防止试样断 裂后碎片飞出伤人。 所述防护罩的顶板为金属板, 并可拆卸, 便于更换。 防护罩 前面装有两扇可视门, 方便更换卷绕轮及安装试样。 门采用的材料为双层无色钢 化玻璃, 两层玻璃间通过密封胶粘接, 增加了玻璃的抗冲击性能。
作为本发明的更进一步改进,所述的防护罩上还设有视频监控系统, 该视频 监控系统包括设置在防护罩外侧的监视器、设置在防护罩上方的监控配电箱和设 置在防护罩内四个顶角处的摄像头, 可对试验过程进行视频监控。摄像头正对试 验机轮毂卷面,将轮毂周向上的试样表面状态分为四个不同方向的画面展示在视 频上, 即覆盖了试样所有的被卷绕面, 保证视频监控无盲区。监控配电箱用于给 视频监控系统提供电源, 并可存放数据盒, 用于重播视频。此类方法既保障了试 验人员的安全, 又能实时监控和录制试验过程, 提高了对试样破坏状态判断的可 靠性。 附图说明 图 1是本发明复合芯棒卷绕试验机的结构示意图。
图 2是本发明复合芯棒卷绕试验机的轴测图。
图 3是本发明防护罩侧板的结构示意图。
图 4是本发明试样导入装置的结构示意图。
图 5是本发明试样导入装置的轴测图。
图 6是本发明试样导入装置另一个方向的轴测图。 图 7是本发明试样导入装置的导向机构的结构示意图。
图 8是本发明试样导入装置配较小直径卷绕轮时的应用状态图。
图 9是本发明试样导入装置配较大直径卷绕轮时的应用状态图。
图 10是发明试样导入装置带纵向导向槽实施方式的结构示意图。
图 11是发明试样导入装置带纵向调节槽实施方式的结构示意图。
图 12是本发明卷绕装置的结构示意图。
图 13是图 12的左视图。
图 14是本发明卷绕装置的卷绕轮的结构示意图。
图 15是图 14的俯视图。
图 16是图 14的后视图。
图 17是本发明卷绕装置的夹持装置的结构示意图。
图 18是发明夹持装置的主视图。
图 19是图 18A-A向的剖视放大图。
图 20是本发明卷绕装置的卷绕轮的装卸示意图。
图 21是本发明可编程控制器的结构示意图。
图 22是本发明可编程控制器的后视图。
图 23是本发明的试验流程图。
图中, 1-试样, 2-防护罩, 3-卷绕装置, 4-可视门, 5-试样导入装置, 6-可编 程控制器, 7-监视器, 8—摄像头, 9 监控配电箱;
501—调节孔, 502 前导向机构, 503 后导向机构, 504 撑板, 505—立 座, 506 手轮, 507 光杆, 508—防脱盖, 509—滚珠轴承, 510—下导向轮, 511 压板, 512 支座, 513—上导向轮, 514 顶板, 515 侧板, 516 转轴, 517—纵向槽, 518 转轴, 519 纵向导向槽, 520 纵向调节槽, 523 试样引 入点;
302—卷绕轮, 303—夹持装置, 304—驱动电机, 305 支架, 306—防脱盖, 307 位移编码器, 308—联动轴, 309 轮辋, 310 键槽, 311 轮毂, 312—通 孔, 313 轴套, 314—安装孔, 315—连接头, 316—安装孔, 317 芯棒夹紧套, 318—芯棒穿孔, 319 螺孔, 320—容置孔, 321 螺栓, 322 垫片, 323 键槽, 324 套头, 325 套身;
601—人机界面, 602—急停按钮, 603 地脚, 604—长条孔。 具体实施方式 参照图 1和图 2, 本发明的复合材料芯棒卷绕试验机, 包括防护罩 2、 试样 导入装置 5、 卷绕装置 3和可编程控制器 6, 所述的试样导入装置 5的、 卷绕装 置 3设置在所述的防护罩 2内,所述的可编程控制器 6设置在所述的防护罩 2外 由于复合材料芯棒在开裂瞬间会有纤维束和粉尘被弹射到周围空气中,为了 保证试验人员的安全, 防止试验人员被纤维束弹伤或吸入粉尘, 又能实时观察试 样的开裂情况,本发明安装了一套视频监控系统。此套视频监控系统包括设置在 防护罩外侧的监视器 7、 设置在防护罩上方的监控配电箱 9和设置在防护罩内四 个顶角处的摄像头 8, 可对试验过程进行视频监控。 摄像头 8正对试验机轮毂卷 面,将轮毂周向上的试样表面状态分为四个不同方向的画面展示在视频上, 即覆 盖了试样所有的被卷绕面,保证视频监控无盲区。监控配电箱 9用于给视频监控 系统提供电源, 并可存放数据盒, 用于重播视频。此类方法既保障了试验人员的 安全, 又能实时监控和录制试验过程, 提高了对试样破坏状态判断的可靠性。
参照图 3, 所述防护罩 2的顶板 204为金属板, 并可拆卸。 所述防护罩 2前 面装有两扇可视门 4; 所述的可视门 4采用的材料为双层无色钢化玻璃, 两层玻 璃间通过密封胶粘接。
参照图 4、 图 5和图 6, 本发明的复合材料芯棒卷绕试验机的试样导入装置 5, 包括一对立座 505和一对导向机构 502、 503, 所述的一对导向机构 502、 503 前后设置在所述的立座 505上。 在所述一对立座 5之间还设有撑板 504。
参照图 7,所述的每个导向机构 502、 503包括支座 512、手轮 506、光杆 507、 压板 511以及相对配置的一对上导向轮 513和一对下导向轮 510。所述的支座 512 具有顶板 514和一对侧板 515。
所述的手轮 506设置在顶部, 其穿过支座 512的顶板 514后与所述的压板 511螺纹连接。 所述的上导向轮 513的转轴 516设置在所述的压板 511上, 其两 端穿入支座 512的侧板 515上开设的纵向槽 517内。由于转轴 516可以在纵向槽 517内上下自由运动,因此上导向轮 513可以随压板 511在一定范围内上下移动。 所述的下导向轮 510的转轴 518设置在支座 512的侧板 515上。所述的光杆 507 通过滚珠轴承 509轴接在所述的支座 512的侧板 515的中心位置处,两端穿入两 立座 505上的调节孔 501 ; 将防脱盖 508从立座 505的外侧套装在光杆的端部, 再将螺栓 525旋入光杆端部上开设的螺孔内 524。所述的光杆 507与所述上导向 轮 513的转轴 516和下导向轮 510的转轴 518平行。
旋转手轮 506, 使压板 511上移, 上导向轮 513也随之上移。 将试样 1从上 下导向轮之间穿过, 反方向旋转手轮 506, 使压板 511下行, 直至上导向轮 513 压紧试样。 试样的端部连接到卷绕轮上后, 便可进行测试。 在卷绕过程中, 试样 保持一定的张力。
导向轮装置除用于给碳纤维棒导向外,还用于给碳纤维棒施加一定的摩擦阻 力。
为了使试样导入的角度可调,在所述的每个立座 505上对应开设有一组纵向 排列的调节孔 501, 用以固定所述的后导向机构 503的光杆 507。
参见图 8,由于卷绕试验机根据不同规格的试样要求配置不同直径的卷绕轮, 为使每次试验都能保证试样呈直线状态切向卷入卷绕轮上,需要对后导向机构的 高度进行调整。当卷绕轮 302直径较小时, 卷绕轮的试样切入点 523与前导向机 构 502的进给高度一致时, 后导向机构 503固定最下面的调节孔 501-1内, 使前 后导向机构的高度相同, 试样 1呈水平状态进给。
参见图 9, 当卷绕轮 302直径较大时, 卷绕轮的试样切入点 523低于前导向 机构 502的进给高度, 此时可将后导向机构 503固定在较上面的调节孔 501-2, 使试样 1保持直线状态进给。 上述调节孔按已有的卷绕轮直径规格进行设置。
参照图 10, 在此基础上, 所述的每个立座 505上还开设有一条与所述各调 节孔 501联通的纵向导向槽 519。 在更换不同直径卷绕轮后继续试验时, 只需将 光杆从一对调节孔出移到纵向导向槽 519内,再进入到下一个试验对应的调节孔 内即可, 使操作更为方便。
参照图 11, 所述的调节孔也可以用一条纵向的调节槽 520替代, 将所述的 后导向机构 503的光杆 507固定在该调节槽 520内,使可对后导向机构 503的高 度进行无级调节。
在这种实施方式下, 为保证光杆 507的水平度, 也可以采用电动升降方式控 制光杆 507。
参照图 12和图 13, 本发明的卷绕装置 3, 包括支架 305、 驱动电机 304、 卷 绕轮 302和夹持装置 303, 所述的驱动电机 304设置在支架 305上, 其轴伸端设 有联动轴 308, 所述的卷绕轮 302设置在所述的联动轴 308上。 联动轴 308上还 设有位移编码器 307。
参照图 14、 图 15和图 16, 卷绕轮 302采用 MC高强尼龙制作轮毂 311, 并 在不影响轮毂强度的情况下, 在轮毂盘面上对称地开设 306个通孔 312, 达到减 少轮毂重量, 方便安装更换的目的。卷绕轮 302上设有与联动轴 308配合的轴套 313, 轴套 313上开设有键槽 310。轮毂 311上开设有安装孔 314, 用于安装夹持 装置 303。
参照图 17、 图 18和图 19, 所述的夹持装置 303包括连接头 315、 芯棒夹紧 套 317、 垫片 322和螺栓 321。 所述的连接头 315上开设有安装孔 316, 该安装 孔 316与轮毂 311上开设的安装孔 314—一对应,通过螺钉将连接头 315固定到 所述的卷绕轮 302的轮毂盘面上, 连接头 315的一端设有容置孔 320。
所述的芯棒夹紧套 317的套头 324上设有芯棒穿孔 318, 并置于连接头 315 的一侧, 套身 325置于所述的容置孔 320内, 套尾开设有螺孔 319。 所述的垫片 322和螺栓 321置于连接头 315的另一侧, 所述的螺栓 321与芯棒夹紧套 317的 螺孔 319连接。
试验时,将试样 1穿过夹紧套头 324上开设的芯棒穿孔 318, 旋紧螺栓 321, 螺栓 321顶紧试样使试样固定。
参照图 20, 为适应不同规格型号芯棒的最小卷绕半径, 本发明配套了多种 规格的卷绕轮。 更换卷绕轮时, 首先去掉防脱盖 306, 然后将轮毂安装在联动轴 308上。 联动轴 308上开设有键槽 323, 通过键配合将卷绕轮固定在联动轴 308 上。 最后, 再盖上防脱盖 306。
联动轴的直径比卷绕轮的孔径小 lmm, 方便安装拆卸。
参照图 21和图 22, 本发明的可编程式控制器 6为拖线式控制盒, 便于试验 人员手拿控制盒站在不同的位置观察试验的同时, 也能及时的控制试验机; 控制 盒底面装有四个橡胶地脚 603, 可以将控制盒放在桌子上; 控制盒的背面做有长 条孔 604, 用于将控制盒挂在防护罩上。 控制盒上装有急停开关 602, 当出现意 外需要停机时可以及时停机。 控制盒上还设有人机界面 601, 用于设定参数。
参照图 23, 本发明试验机的试验过程如下: 打开可编程控制器 6的主机电 源, 按下人机界面 601上的复位键, 卷绕轮 302会旋转到能方便试样安装的初始 设定位置, 根据碳纤维棒的规格选择相应的夹紧套头 317, 碳纤维棒先穿过试样 导入装置的导向轮, 再插入到卷绕装置的夹紧套 317内的孔, 拧紧螺钉 321, 就 可以压紧试样。 再手动旋紧导入装置的旋转手轮。 安装好试样后关闭防护门 4。 在人机界面上设定卷绕圈数,然后开始试验, 当试样崩裂或旋转到规定的圈数时 停止试验, 通过监视器 7观察试样的破坏情况, 回转并取下试样, 结束试验。 试 验可以通过视频监控回放。
应注意到, 上述说明只是对本发明的一个可行实施例的具体描述, 该实施例 并非限制本发明的专利范围。本发明还可以有其他实施方式, 凡未脱离本发明的 等效实施或变更, 均应包含于本案的专利范围内。

Claims

权 利 要 求 书 、 复合材料芯棒卷绕试验机, 包括防护罩 (2)、 试样导入装置 (5)、 卷绕装置
(3)和可编程控制器(6), 所述的试样导入装置 (5) 的、 卷绕装置 (3)设 置在所述的防护罩 (2) 内, 所述的可编程控制器 (6) 设置在所述的防护罩
(2) 外侧, 其特征在于:
所述的试样导入装置 (5) 包括一对立座 (505) 和一对导向机构 (502、 503), 所述的一对导向机构 (502、 503) 前后设置在所述的立座 (505) 上, 所述的每个导向机构(502、 503)包括支座(512)、手轮(506)、光杆(507)、 压板 (511 ) 以及相对配置的一对上导向轮 (513 ) 和一对下导向轮 (510), 所述的手轮 (506) 穿过支座 (512) 的顶板 (514) 后与所述的压板 (511 ) 螺纹连接; 所述的上导向轮 (513) 的转轴 (516) 设置在所述的压板 (511 ) 上, 其两端穿入支座 (512) 的侧板 (515) 上开设的纵向槽(517) 内; 所述 的下导向轮 (510) 的转轴 (518) 设置在支座 (512) 的侧板 (515) 上; 所 述的光杆(507)轴接在所述的支座 (512) 的侧板(515)上, 两端固定在所 述的一对立座 (505)上, 并且所述的光杆(507)与所述上导向轮(513) 的 转轴 (516) 和下导向轮 (510) 的转轴 (518) 平行;
所述的卷绕装置 (3)包括支架 (305)、 驱动电机(304)、 卷绕轮 (302) 和夹持装置 (303), 所述的驱动电机 (304) 设置在支架 (305) 上, 其轴伸 端设有联动轴 (308), 所述的卷绕轮(302)设置在所述的联动轴 (308)上; 所述的夹持装置 (303)包括连接头 (315)、 芯棒夹紧套 (317)、 垫片 (322) 和螺栓 (321 ), 所述的连接头 (315 ) 设置在所述的卷绕轮 (302) 上, 连接 头 (315) 上设有容置孔 (320); 所述的芯棒夹紧套 (317) 的套头 (324)上 设有芯棒穿孔 (318 ), 并置于连接头 (315 ) 的一侧, 套身 (325) 置于所述 的容置孔(320)内,套尾开设有螺孔(319);所述的垫片(322)和螺栓(321 ) 置于连接头 (315) 的另一侧, 所述的螺栓(321 )与芯棒夹紧套 (317) 的螺 孔 (319) 连接。
、 如权利要求 1所述的复合材料芯棒卷绕试验机, 其特征在于所述试样导入装 置 (5) 的的光杆 (507)通过滚珠轴承 (509)轴接在所述的支座 (512)上; 所述的每个立座(505)上对应开设有一组纵向排列的调节孔(501 ), 用以固 定所述的后导向机构 (503) 的光杆 (507)。
、 如权利要求 2所述的复合材料芯棒卷绕试验机, 其特征在于所述的每个立座
(505) 上还开设有一条与所述各调节孔 (501 ) 联通的纵向导向槽 (519)。 、 如权利要求 1所述的复合材料芯棒卷绕试验机,其特征在于所述卷绕装置(3) 的驱动电机 (304) 为一体式伺服电机减速机。
、 如权利要求 1所述的复合材料芯棒卷绕试验机,其特征在于所述卷绕装置(3) 的卷绕轮 (302) 的轮毂 (311 ) 盘面上均匀开设有多个通孔 (312)。
、 如权利要求 1所述的复合材料芯棒卷绕试验机,其特征在于所述卷绕装置(3) 的卷绕轮 (302) 上设有与联动轴 (308) 配合的轴套 (313); 所述的卷绕轮
(302)和联动轴(308)键配合;所述的联动轴(308)最外侧设有防脱盖(306); 所述的联动轴 (308) 上还设有位移编码器 (307)。
、 如权利要求 1所述的复合材料芯棒卷绕试验机, 其特征在于所述防护罩 (2) 的两侧板(201 )为双层结构, 其中里层(202)为金属冲孔网板, 外层(203) 为有机玻璃板。
、 如权利要求 7所述的复合材料芯棒卷绕试验机, 其特征在于所述防护罩 (2) 的顶板 (204) 为金属板, 并可拆卸。
、 如权利要求 8所述的复合材料芯棒卷绕试验机, 其特征在于所述防护罩 (2) 前面装有两扇可视门 (4); 所述的可视门 (4)采用的材料为双层无色钢化玻 璃, 两层玻璃间通过密封胶粘接。
0、 如权利要求 1-9任何一项所述的复合材料芯棒卷绕试验机,其特征在于所述 的防护罩 (2) 上还设有视频监控系统。
PCT/CN2012/075011 2011-07-12 2012-05-03 复合材料芯棒卷绕试验机 WO2013007127A1 (zh)

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