CN110686991A - Underwater heavy-duty towing cable tension bending tester device - Google Patents
Underwater heavy-duty towing cable tension bending tester device Download PDFInfo
- Publication number
- CN110686991A CN110686991A CN201910897192.3A CN201910897192A CN110686991A CN 110686991 A CN110686991 A CN 110686991A CN 201910897192 A CN201910897192 A CN 201910897192A CN 110686991 A CN110686991 A CN 110686991A
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- hydraulic cylinder
- underwater
- towing cable
- outer frame
- cable tension
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides an underwater reinstalled towing cable tension bending tester device which comprises an outer frame, a driving device, a wheel disc device and a tensioning device. One end of the driving device is fixed on the outer frame, and the other end of the driving device is connected to the wheel disc device through gear transmission; two wheel discs of the wheel disc device are fixed on an outer frame through a detachable base, the middle of the wheel disc device is connected with a cable, the other end of the wheel disc device is connected with a tensioning device, and the other end of the tensioning device is fixed on the outer frame. The underwater reinstalled towing cable tension bending tester device has the advantages of being detachable, high in control precision, high in tension and stable in system operation due to the fact that all parts of the underwater reinstalled towing cable tension bending tester device are designed in a modularized mode.
Description
Technical Field
The invention relates to a mechanical performance test detection equipment technology, in particular to an underwater heavy-duty towing cable tension bending tester device.
Background
When carrying out ocean resource development or survey, often will use the higher towing rope of bearing capacity, reinstall towing rope promptly, drag the equipment under water. In the process of using the pulley to receive and release the heavy towing cable, the heavy towing cable is generally under the action of tens of tons of tension, and meanwhile, the cable is repeatedly bent and pressed in contact on the pulley, so that the safety of the towing cable is greatly influenced by the combined load. In the prior art, no tension bending test device can provide high tension for a prototype reinstallation towing cable in a laboratory, and stable reciprocating bending loading is realized through a prototype pulley. Therefore, an indoor test device is designed for carrying out tension bending test on the heavy-duty towing cable, the original cable is adopted to simulate the combined stress state of the cable in the operation process, and then the mechanical, electro-optical and optical properties of the cable are tested, so that the device has important significance for ensuring the safety of the marine heavy-duty towing cable in actual operation.
Disclosure of Invention
The invention aims to provide an underwater reinstalled towing cable tension bending tester device which has the advantages of modular design, detachability, high control precision, high tension and stable system operation, and aims to solve the problem that the existing reinstalled towing cable needs to be subjected to tension bending tests.
In order to achieve the purpose, the invention adopts the technical scheme that: an underwater reinstalled towing cable tension bending tester device comprises an outer frame 1, a driving device 2, a wheel disc device 3 and a tensioning device 4;
the driving device 2 comprises a first hydraulic cylinder and a rack, one end of the first hydraulic cylinder is fixed on the outer frame 1 through a hinged support, and the other end of the first hydraulic cylinder is welded with the rack;
the wheel disc device 3 comprises a driving wheel, a driven wheel, a steel strand, a force sensor, a sliding rail and a detachable base, the driving wheel is fixed on the outer frame 1 through the detachable base, the sliding rail is arranged on the inner side of the bottom of the outer frame 1 along the length direction, the driven wheel is arranged on the sliding rail in a sliding mode through the detachable base, and the driving wheel is parallel to a bearing of the driven wheel; the driving wheel is meshed with the rack through an auxiliary gear disc which is coaxially arranged; the towing cable to be tested is in ending connection with the steel strand to form a closed loop, the steel strand is sleeved on the driving wheel, and the towing cable to be tested is sleeved on the driven wheel; force sensors are arranged at the head and the tail of the towing cable to be tested so as to measure the tension at two ends of the pipeline in the test process;
the tensioning device 4 comprises a connector, a second hydraulic cylinder and a hinged fixing device positioned on the vertical plate at the end of the frame, one end of the connector is fixed with the driven wheel bearing, and the other end of the connector is fixed with the second hydraulic cylinder; one end of the second hydraulic cylinder, which is far away from the connector, is fixed on the outer frame through a hinged fixing device, and the marine pipeline tension requirement in the overload loading process is realized through controlling the hydraulic cylinder.
Further, the driving device comprises a first control system electrically connected with the first hydraulic cylinder, and the first control system controls the first hydraulic cylinder to provide power, so that stable loading, such as sine/cosine loading and periodic loading, on the wheel disc can be realized.
Further, the detachable base is fixed to the outer frame by bolts.
Furthermore, the horizontal line of a second hydraulic cylinder of the tensioning device is in the same horizontal line with the bearing and the slide rail.
Further, the tensioner includes a second control system electrically connected to the second hydraulic cylinder, the second control system controlling the second hydraulic cylinder to provide power.
The invention relates to a working principle of an underwater heavy-duty towing cable tension bending tester device, which comprises the following steps: the driving wheel is driven to reciprocate by a hydraulic servo actuator-rack-gear device, and the steel strand is connected with the underwater reinstalled towing cable (the towing cable to be tested) to realize transmission so as to drive the driven wheel to move; meanwhile, another high-tonnage hydraulic servo actuator is adopted to apply pulling force to the driven wheel device adopting the sliding base, so that the system runs under the action of high tension. The device is used for simulating the heavy object dragging of the underwater reloading dragging cable, and checking the structural integrity of the dragging cable under the load working condition of repeated retraction and release of the pulley on the ship. The single stroke is 2m, the length of the winding cable is 3.6m, and the length is larger than two armor pitches. The driving device is controlled by software frequency conversion to realize the reciprocating motion of the device at the speed of 0-0.15 m/s. The driving device is internally provided with a counter, and the reciprocating times are controlled by software, so that the requirements of 200 times and 2400 times of tests are met. The 500T servo actuator provides a force source, and the control precision of the force source is 0.01.
The invention relates to an underwater heavy-duty towing cable tension bending test machine device, which is suitable for a marine pipeline tension bending test and has the following advantages compared with the prior art:
1) the underwater heavy-duty towing cable tension bending tester device is modularly designed for all parts, and is movable, detachable and high in flexibility.
2) The hydraulic servo actuator is adopted to drive the rack and the gear to drive the driving wheel to reciprocate, and the hydraulic servo actuator has higher control precision and stability.
3) The invention adopts a high-tonnage servo actuator to pull the driven wheel to provide tension, and the base of the driven wheel adopts a slide rail design, so that higher tension can be provided.
4) The invention adopts the mode of fixing the driving wheel and sliding the driven wheel, and can ensure that the system can run stably under the action of high tonnage at the same time.
Drawings
FIG. 1 is a schematic perspective view of an underwater reinstalled towing cable tension bending test machine according to the present invention;
FIG. 2 is a front view of the underwater reinstalled towing cable tension bending test machine device of the present invention;
FIG. 3 is a top view of the underwater reinstalled towing cable tension bending tester device of the invention.
Description of the drawings:
1. an outer frame; 2. a first hydraulic cylinder; 3. a rack; 4. a driving wheel; 5. a driven wheel; 6. steel strand wires; 7. a force sensor; 8. a slide rail; 9. a detachable base; 10. a towing cable to be tested; 11. a connector; 12. and a second hydraulic cylinder.
Detailed Description
The invention is further illustrated by the following examples:
example 1
The embodiment discloses an underwater reinstalled towing cable tension bending tester device, which comprises an outer frame 1, a driving device, a wheel disc device and a tensioning device, as shown in FIGS. 1-3;
the driving device comprises a first hydraulic cylinder 2 and a rack 3, one end of the first hydraulic cylinder is fixed on the outer frame 1 through a hinged support, and the other end of the first hydraulic cylinder is welded with the rack; the driving device further comprises a first control system electrically connected with the first hydraulic cylinder 2, the first control system controls the first hydraulic cylinder to provide power, and stable loading, such as sine/cosine loading and periodic loading, on the wheel disc can be achieved.
The wheel disc device comprises a driving wheel 4, a driven wheel 5, a steel strand 6, a force sensor 7, a sliding rail and a detachable base, wherein the driving wheel is fixed on an outer frame 1 through the detachable base, the sliding rail 8 is arranged on the inner side of the bottom of the outer frame 1 along the length direction, the driven wheel is arranged on the sliding rail in a sliding mode through the detachable base 9, and the detachable base is fixed on the outer frame through a bolt. The driving wheel 4 is parallel to a bearing of the driven wheel 5; the driving wheel 4 is meshed with the rack through an auxiliary gear disc which is coaxially arranged; the towing cable to be tested 10 and the steel strand 6 are connected in a terminating manner to form a closed loop, the steel strand is sleeved on the driving wheel, and the towing cable to be tested is sleeved on the driven wheel; the towing cable to be tested is provided with force sensors 7 from head to tail so as to measure the tension at two ends of the pipeline in the test process;
the tensioning device comprises a connector 11, a second hydraulic cylinder 12 and a hinged fixing device positioned on the vertical plate at the end of the frame, one end of the connector is fixed with the driven wheel bearing, and the other end of the connector is fixed with the second hydraulic cylinder; one end of the second hydraulic cylinder, which is far away from the connector, is fixed on the outer frame through a hinged fixing device, and the marine pipeline tension requirement in the overload loading process is realized through controlling the hydraulic cylinder. The horizontal line of a second hydraulic cylinder of the tensioning device is positioned at the same horizontal line with the bearing and the sliding rail. The tensioner also includes a second control system electrically connected to the second hydraulic cylinder, the second control system controlling the second hydraulic cylinder to provide power.
The working principle of the underwater reinstalled towing cable tension bending tester device of the embodiment is as follows: the driving wheel is driven to reciprocate by a hydraulic servo actuator-rack-gear device, and the steel strand is connected with the underwater reinstalled towing cable (the towing cable to be tested) to realize transmission so as to drive the driven wheel to move; meanwhile, another high-tonnage hydraulic servo actuator is adopted to apply pulling force to the driven wheel device adopting the sliding base, so that the system runs under the action of high tension. The device is used for simulating the heavy object dragging of the underwater reloading dragging cable, and checking the structural integrity of the dragging cable under the load working condition of repeated retraction and release of the pulley on the ship. The single stroke is 2m, the length of the winding cable is 3.6m, and the length is larger than two armor pitches. The driving device is controlled by software frequency conversion to realize the reciprocating motion of the device at the speed of 0-0.15 m/s. The driving device is internally provided with a counter, and the reciprocating times are controlled by software, so that the requirements of 200 times and 2400 times of tests are met. The 500T servo actuator provides a force source, and the control precision of the force source is 0.01.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. An underwater reinstalled towing cable tension bending tester device is characterized by comprising an outer frame, a driving device, a wheel disc device and a tensioning device;
the driving device comprises a first hydraulic cylinder and a rack, one end of the first hydraulic cylinder is fixed on the outer frame through a hinged support, and the other end of the first hydraulic cylinder is welded with the rack;
the wheel disc device comprises a driving wheel, a driven wheel, a steel strand, a force sensor, a sliding rail and a detachable base, wherein the driving wheel is fixed on an outer frame through the detachable base; the driving wheel is meshed with the rack through an auxiliary gear disc which is coaxially arranged; the towing cable to be tested is in ending connection with the steel strand to form a closed loop, the steel strand is sleeved on the driving wheel, and the towing cable to be tested is sleeved on the driven wheel; force sensors are arranged at the head and the tail of the towing cable to be tested;
the tensioning device comprises a connector, a second hydraulic cylinder and a hinged fixing device positioned on the vertical plate at the end of the frame, one end of the connector is fixed with the driven wheel bearing, and the other end of the connector is fixed with the second hydraulic cylinder; and one end of the second hydraulic cylinder, which is far away from the connector, is fixed on the outer frame through a hinged fixing device.
2. The underwater reinstallation trailing cable tension bend tester device according to claim 1, wherein the drive device comprises a first control system electrically connected to the first hydraulic cylinder, the first control system controlling the first hydraulic cylinder to provide power.
3. The underwater reinstallation trailing cable tension bending tester device according to claim 1, wherein the detachable base is bolted to the outer frame.
4. The underwater reinstalled trailing cable tension bending tester device according to claim 1, wherein the second hydraulic cylinder horizontal line of the tensioning device is at the same horizontal line as the bearing and the slide rail.
5. The underwater reinstallation trailing cable tension bend tester device according to claim 1, wherein the tensioner comprises a second control system electrically connected to a second hydraulic cylinder, the second control system controlling the second hydraulic cylinder to provide power.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910515620 | 2019-06-14 | ||
| CN2019105156201 | 2019-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110686991A true CN110686991A (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910897192.3A Pending CN110686991A (en) | 2019-06-14 | 2019-09-23 | Underwater heavy-duty towing cable tension bending tester device |
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Citations (12)
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|---|---|---|---|---|
| CN101387571A (en) * | 2007-09-14 | 2009-03-18 | 通光集团有限公司 | Dynamic mechanical test method and device for submarine optical fiber cable |
| CN102121889A (en) * | 2010-12-23 | 2011-07-13 | 中国矿业大学 | Bending fatigue test machine for steel wire rope in case of alternating load |
| CN202471525U (en) * | 2012-03-19 | 2012-10-03 | 重庆泰山电缆有限公司 | Tensile bending test device for submarine cables |
| CN103499487A (en) * | 2013-10-13 | 2014-01-08 | 大连理工大学 | Complex load tester |
| CN104155191A (en) * | 2014-08-01 | 2014-11-19 | 国网浙江省电力公司舟山供电公司 | Submarine cable bending tester |
| CN204008285U (en) * | 2014-08-01 | 2014-12-10 | 国网浙江省电力公司舟山供电公司 | Driving wheel for extra large cable bend test device drives assembly |
| CN106053227A (en) * | 2016-07-08 | 2016-10-26 | 中煤科工集团上海有限公司 | Mining equipment cable dragging and bending testing machine and testing method |
| CN205981936U (en) * | 2016-08-16 | 2017-02-22 | 中天科技海缆有限公司 | Special type cable tension bending test device |
| CN108037030A (en) * | 2018-02-07 | 2018-05-15 | 青岛迪玛尔海洋工程有限公司 | Testing machine for the differently curved radius testing fatigue of cable |
| CN108594060A (en) * | 2018-05-14 | 2018-09-28 | 上海煤科检测技术有限公司 | A kind of shuttle car cable bend testing machine and test method |
| CN208172140U (en) * | 2018-05-14 | 2018-11-30 | 上海煤科检测技术有限公司 | A kind of shuttle car cable bend testing machine |
| CN109142038A (en) * | 2018-10-25 | 2019-01-04 | 无锡通用钢绳有限公司 | A kind of armored rope bending fatigue experimental rig |
-
2019
- 2019-09-23 CN CN201910897192.3A patent/CN110686991A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101387571A (en) * | 2007-09-14 | 2009-03-18 | 通光集团有限公司 | Dynamic mechanical test method and device for submarine optical fiber cable |
| CN102121889A (en) * | 2010-12-23 | 2011-07-13 | 中国矿业大学 | Bending fatigue test machine for steel wire rope in case of alternating load |
| CN202471525U (en) * | 2012-03-19 | 2012-10-03 | 重庆泰山电缆有限公司 | Tensile bending test device for submarine cables |
| CN103499487A (en) * | 2013-10-13 | 2014-01-08 | 大连理工大学 | Complex load tester |
| CN104155191A (en) * | 2014-08-01 | 2014-11-19 | 国网浙江省电力公司舟山供电公司 | Submarine cable bending tester |
| CN204008285U (en) * | 2014-08-01 | 2014-12-10 | 国网浙江省电力公司舟山供电公司 | Driving wheel for extra large cable bend test device drives assembly |
| CN106053227A (en) * | 2016-07-08 | 2016-10-26 | 中煤科工集团上海有限公司 | Mining equipment cable dragging and bending testing machine and testing method |
| CN205981936U (en) * | 2016-08-16 | 2017-02-22 | 中天科技海缆有限公司 | Special type cable tension bending test device |
| CN108037030A (en) * | 2018-02-07 | 2018-05-15 | 青岛迪玛尔海洋工程有限公司 | Testing machine for the differently curved radius testing fatigue of cable |
| CN108594060A (en) * | 2018-05-14 | 2018-09-28 | 上海煤科检测技术有限公司 | A kind of shuttle car cable bend testing machine and test method |
| CN208172140U (en) * | 2018-05-14 | 2018-11-30 | 上海煤科检测技术有限公司 | A kind of shuttle car cable bend testing machine |
| CN109142038A (en) * | 2018-10-25 | 2019-01-04 | 无锡通用钢绳有限公司 | A kind of armored rope bending fatigue experimental rig |
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Application publication date: 20200114 |