CN114264547A - Self-adaptive compensation device for tension test of rope ladder - Google Patents
Self-adaptive compensation device for tension test of rope ladder Download PDFInfo
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- CN114264547A CN114264547A CN202111355685.8A CN202111355685A CN114264547A CN 114264547 A CN114264547 A CN 114264547A CN 202111355685 A CN202111355685 A CN 202111355685A CN 114264547 A CN114264547 A CN 114264547A
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- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 238000009864 tensile test Methods 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 13
- 230000003044 adaptive effect Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The invention relates to a self-adaptive compensation device for a tension test of a rope ladder, which comprises a rack, a tension mechanism, a control system and a tension sensor, wherein the tension mechanism is arranged on the rack, the two ends of the tension mechanism are respectively provided with the tension sensor and a tension ring chain, the tension sensor and the tension ring chain are horizontally arranged at the two ends of the tension mechanism, one end of the tension ring chain, far away from the tension mechanism, is provided with a tension hook for hooking the rope ladder, one end of the tension sensor, far away from the tension mechanism, is provided with a connector for fixing, the tension mechanism comprises an electric hoist and a servo motor, the servo motor is arranged inside the electric hoist, the control system is arranged on the rack, the control system is used for controlling the load loading rate and the load threshold of the tension mechanism, and four corners at the bottom of the rack are respectively provided with universal idler wheels, the device can improve the accuracy of rope ladder tensile test.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a self-adaptive compensation device for a rope ladder tension test, and belongs to the technical field of tension servo devices.
[ background of the invention ]
The rope ladder has the advantages of convenient transportation, light and handy use, free length adjustment, softness, difficulty in collision and the like in operation, and is commonly used for power transmission line maintenance operation. According to the relevant standard requirements, in order to ensure good performance of the rope ladder, a static load tension test is carried out regularly, the conventional test steps are respectively provided with a balance connecting plate at two ends of two side ropes of the rope ladder to keep the width of the rope ladder and the uniform stress of the ropes at the two sides, the load is loaded to 16.2kN at the speed of (100 +/-5) mm/min and is kept for 5 minutes, and the test period is 12 months.
The limit rope of rope ladder has certain elasticity, can inevitably produce certain deformation along with tensile increase, leads to the pulling force value unstable, and after applying the regulation pulling force value, because the rope ladder is flexible, the pulling force value can constantly diminish. Meanwhile, due to the change of the elastic coefficient of the side rope, the deformation of the side rope changes under the same stress.
In routine trials, the rope ladder was loaded by means of a balance yoke at both ends and a tractor or an electric hoist. The rope ladder is deformed to a certain extent under the tension, so that the tension value fluctuates greatly, the stress of the rope ladder is uneven, and even the loading load can not meet the test requirement. Due to the change of the elastic coefficient of the side rope, the load loading rate of the side rope under the same stress fluctuates greatly, the loading rate does not meet the test standard under partial conditions, the accuracy and the correctness of the test are influenced, and the risk of inspection errors exists.
[ summary of the invention ]
The invention aims to provide a self-adaptive compensation device for a rope ladder tension test, which can improve the accuracy of the rope ladder tension test.
The technical scheme adopted by the invention is as follows:
the utility model provides a self-adaptation compensation arrangement for rope ladder tensile test, includes frame, tension mechanism, control system and force sensor, tension mechanism installs in the frame, tension mechanism both ends are equipped with force sensor and pulling force link chain respectively, force sensor with pulling force link chain level sets up tension mechanism's both ends, the one end that tension mechanism was kept away from to pulling force link chain is equipped with the pulling force hook that is used for the couple rope ladder, force sensor keeps away from the one end of tension mechanism and is equipped with the connector that is used for fixing, tension mechanism includes electric block and servo motor, servo motor installs the inside of electric block, servo motor control the electric block operation, control system installs in the frame, control system is used for controlling tension mechanism's load loading rate and load threshold value, the computer is installed to the frame upside, the computer with control system is connected, the bottom four corners department of frame all is equipped with universal gyro wheel, be equipped with on the universal gyro wheel and be used for the restriction the rolling brake subassembly of universal gyro wheel.
The beneficial effects of the invention are as follows:
the invention comprises a rack, a tension mechanism, a control system and a tension sensor, wherein the two ends of the tension mechanism are respectively provided with the tension sensor and a tension loop chain, the control system is arranged on the rack, the control system is used for controlling the load loading rate and the load threshold of the tension mechanism, when a tension test is carried out on a rope ladder, one end of the rope ladder is fixed, the other end of the rope ladder is connected with a tension hook on the tension loop chain in a hanging manner, the tension sensor at the other end of the tension mechanism is fixed through a connector, a worker presets the load loading rate and the load threshold of the tension mechanism to a servo controller through a computer, the control system controls the load loading rate of the tension mechanism, so that the tension mechanism can keep a stable rate loading load, when the load of the tension mechanism reaches the set load threshold, the control system can keep the tension mechanism for a certain time under the load value, so that the load test in the rope ladder tension test process is specified, meanwhile, the influence of the deformation of the rope ladder on the test accuracy can be greatly reduced, the test accuracy and correctness are improved, and the possibility of test errors is reduced.
Preferably, the electric hoist comprises an internal ring chain, a first storage box used for storing the internal ring chain is arranged on the rack, and the first storage box is arranged at the bottom of the rack.
Preferably, a support column is arranged on the tension mechanism and fixedly connected with the rack.
Preferably, the control system comprises a servo controller and a servo driver, the servo controller is used for setting the load loading rate and the load threshold of the tension mechanism, and the servo driver is used for controlling the operation of the tension mechanism.
Preferably, a second storage box used for storing the tension ring chain is arranged on the rack, and the second storage box is installed on the side face, close to the tension ring chain, of the rack.
Other features and advantages of the present invention will be disclosed in more detail in the following detailed description of the invention and the accompanying drawings.
[ description of the drawings ]
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of example 1 of the present invention;
reference numerals: the device comprises a rack 1, universal rollers 13, a first storage box 14, a second storage box 15, a tension mechanism 2, an internal ring chain 22, a tension sensor 23, a 231 connector, a tension ring chain 24, a tension hook 241, a servo controller 31, a servo driver 32, a computer 34, a servo motor 4, a support column 41 and a rope ladder 5.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1:
as shown in fig. 1, this embodiment shows an adaptive compensation device for a rope ladder tension test, which includes a frame 1, a tension mechanism 2, a control system and a tension sensor 23, where the tension mechanism 2 is installed on the frame 1, two ends of the tension mechanism 2 are respectively provided with the tension sensor 23 and a tension loop chain 24, the tension sensor 23 and the tension loop chain 24 are horizontally arranged at two ends of the tension mechanism 2, one end of the tension loop chain 24, which is far away from the tension mechanism 2, is provided with a tension hook 241 for hooking a rope ladder 5, one end of the tension sensor 23, which is far away from the tension mechanism 2, is provided with a connector 231 for fixing, the tension mechanism includes an electric hoist and a servo motor 4, the servo motor 4 is installed inside the electric hoist, the control system is installed on the frame 1, the control system is used for controlling a load loading rate and a load threshold of the tension mechanism 2, all be equipped with universal gyro wheel 13 in the bottom four corners department of frame 1, be used for the restriction on the universal gyro wheel 13 the rolling brake assembly of universal gyro wheel 13 carries out the during operation when this embodiment, through the brake assembly restriction universal gyro wheel 13's rotation can avoid frame 1 takes place the displacement at the during operation and leads to final test result to appear the deviation, can further improve this embodiment to the experimental accuracy and the exactness of rope ladder 5 tensile test.
In this embodiment, the supporting column 41 is disposed on the tension mechanism 2, the supporting column 41 is fixedly connected to the frame, the electric hoist includes an internal chain 22, the frame 1 is disposed with a first storage box 14 for storing the internal chain 22, the first storage box 14 is mounted at the bottom of the frame 1, so as to prevent the internal chain 22 from being wound when the internal chain 22 is randomly placed, the frame is disposed with a second storage box 15 for storing the tension chain 24, the second storage box 15 is mounted at a side of the frame close to the tension chain 24, when the present embodiment is used, the tension chain 24 and the tension hook 241 are stored in the second storage box 15, so as to prevent the tension chain 24 and the tension hook 241 from being randomly placed, and play a certain role in protecting the tension chain 24 and the tension hook 241, the potential safety hazard of using the embodiment can be reduced.
In this embodiment, the control system includes a servo controller 31 and a servo driver 32, the servo controller 31 is configured to set a load loading rate and a load threshold of the tension mechanism 2, the servo driver 32 is configured to control the operation of the tension mechanism 2, the upper side of the frame 1 is installed with a computer 34, the computer 34 is connected to the control system, when a tension test is performed on the rope ladder 5, one end of the rope ladder 5 is fixed, the other end of the rope ladder 5 is hooked to a tension hook 241 on the tension loop chain 24, the tension sensor 23 at the other end of the tension mechanism 2 is fixed by a connector 231, a worker presets the load loading rate and the load threshold of the tension mechanism 2 to the servo controller 31 by the computer 34, the control system controls the load loading rate of the tension mechanism 2, in this embodiment, the load loading rate of the load is (100 ± 5) mm/min, the method comprises the steps that the tension mechanism 2 can keep a stable speed to load a load, when the load of the tension mechanism 2 reaches a set load threshold value, the load threshold value is 16.2kN, the control system can keep the tension mechanism 2 under the load threshold value for a certain time, in the embodiment, the tension mechanism 2 keeps 5 minutes under the load threshold value, the load test in the tension test process of the rope ladder 5 is specified, meanwhile, the influence of deformation of the rope ladder 5 on the test accuracy can be greatly reduced, the test accuracy and correctness of the embodiment are improved, and the possibility of test errors is reduced.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (5)
1. The utility model provides a self-adaptation compensation arrangement for rope ladder tensile test which characterized in that: including frame, pulling force mechanism, control system and force sensor, pulling force mechanism installs in the frame, pulling force mechanism both ends are equipped with force sensor and pulling force link chain respectively, force sensor with pulling force link chain level sets up pulling force mechanism's both ends, the one end that pulling force mechanism was kept away from to pulling force link chain is equipped with the pulling force hook that is used for the couple rope ladder, force sensor keeps away from the one end of pulling force mechanism and is equipped with the connector that is used for fixing, pulling force mechanism includes electric block and servo motor, servo motor installs electric block's inside, servo motor control electric block moves, control system installs in the frame, control system is used for controlling pulling force mechanism's load loading rate and load threshold value, the computer is installed to the frame upside, the computer with control system is connected, the bottom four corners department of frame all is equipped with universal gyro wheel, be equipped with on the universal gyro wheel and be used for the restriction the rolling brake assembly of universal gyro wheel.
2. The adaptive compensation device for the rope ladder tension test according to claim 1, wherein: electric block includes inside endless chain, be equipped with in the frame and be used for accomodating the first receiver of inside endless chain, first receiver is installed the bottom of frame.
3. The adaptive compensation device for the rope ladder tension test according to claim 1, wherein: the tension mechanism is provided with a support column, and the support column is fixedly connected with the rack.
4. The adaptive compensation device for the rope ladder tension test according to claim 1, wherein: the control system comprises a servo controller and a servo driver, wherein the servo controller is used for setting the load loading rate and the load threshold of the tension mechanism, and the servo driver is used for controlling the servo motor to rotate.
5. The adaptive compensation device for the rope ladder tension test according to claim 1, wherein: the rack is provided with a second storage box for storing the tension ring chain, and the second storage box is installed on the side face, close to the tension ring chain, of the rack.
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CN202111355685.8A CN114264547A (en) | 2021-11-16 | 2021-11-16 | Self-adaptive compensation device for tension test of rope ladder |
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CN202111355685.8A CN114264547A (en) | 2021-11-16 | 2021-11-16 | Self-adaptive compensation device for tension test of rope ladder |
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Citations (10)
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CN103163027A (en) * | 2013-03-25 | 2013-06-19 | 南昌航空大学 | Minitype electronic tension tester |
CN103558086A (en) * | 2013-10-31 | 2014-02-05 | 中国航天科工集团第六研究院四十一所 | High-speed tensile testing machine and acceleration process filtering device thereof |
CN203465048U (en) * | 2013-09-23 | 2014-03-05 | 交通运输部天津水运工程科学研究所 | Pulley tension type wireless bollard force measuring device |
CN203587441U (en) * | 2013-11-20 | 2014-05-07 | 上海华龙测试仪器股份有限公司 | Electro-hydraulic servo horizontal tension tester |
CN207516158U (en) * | 2017-11-20 | 2018-06-19 | 广西电网有限责任公司电力科学研究院 | A kind of rope pull experimental rig |
CN110957669A (en) * | 2019-12-02 | 2020-04-03 | 国网四川省电力公司德阳供电公司 | Supplementary linkage that hangs rope ladder |
CN110987597A (en) * | 2019-12-30 | 2020-04-10 | 广东火炬检测有限公司 | Universal material testing machine |
CN211453234U (en) * | 2020-01-16 | 2020-09-08 | 鹤壁市质量技术监督检验测试中心 | Small-size tensile testing machine examination appearance |
CN213842892U (en) * | 2020-06-10 | 2021-07-30 | 广西交科集团有限公司 | Drawing resistance testing machine for connection of polyethylene pressure pipe and pipe fitting |
CN214149774U (en) * | 2020-11-12 | 2021-09-07 | 锋宏机械制造集团有限公司 | Tension testing device for escape rope ladder |
-
2021
- 2021-11-16 CN CN202111355685.8A patent/CN114264547A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103163027A (en) * | 2013-03-25 | 2013-06-19 | 南昌航空大学 | Minitype electronic tension tester |
CN203465048U (en) * | 2013-09-23 | 2014-03-05 | 交通运输部天津水运工程科学研究所 | Pulley tension type wireless bollard force measuring device |
CN103558086A (en) * | 2013-10-31 | 2014-02-05 | 中国航天科工集团第六研究院四十一所 | High-speed tensile testing machine and acceleration process filtering device thereof |
CN203587441U (en) * | 2013-11-20 | 2014-05-07 | 上海华龙测试仪器股份有限公司 | Electro-hydraulic servo horizontal tension tester |
CN207516158U (en) * | 2017-11-20 | 2018-06-19 | 广西电网有限责任公司电力科学研究院 | A kind of rope pull experimental rig |
CN110957669A (en) * | 2019-12-02 | 2020-04-03 | 国网四川省电力公司德阳供电公司 | Supplementary linkage that hangs rope ladder |
CN110987597A (en) * | 2019-12-30 | 2020-04-10 | 广东火炬检测有限公司 | Universal material testing machine |
CN211453234U (en) * | 2020-01-16 | 2020-09-08 | 鹤壁市质量技术监督检验测试中心 | Small-size tensile testing machine examination appearance |
CN213842892U (en) * | 2020-06-10 | 2021-07-30 | 广西交科集团有限公司 | Drawing resistance testing machine for connection of polyethylene pressure pipe and pipe fitting |
CN214149774U (en) * | 2020-11-12 | 2021-09-07 | 锋宏机械制造集团有限公司 | Tension testing device for escape rope ladder |
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