CN110736668A - submarine cable impact performance test system - Google Patents
submarine cable impact performance test system Download PDFInfo
- Publication number
- CN110736668A CN110736668A CN201911080700.5A CN201911080700A CN110736668A CN 110736668 A CN110736668 A CN 110736668A CN 201911080700 A CN201911080700 A CN 201911080700A CN 110736668 A CN110736668 A CN 110736668A
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- China
- Prior art keywords
- impact
- frame
- submarine cable
- vertical lifting
- lifting mechanism
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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
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
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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
- G01N3/02—Details
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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
- G01N3/02—Details
- G01N3/04—Chucks
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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
- G01N2203/001—Impulsive
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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
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0033—Weight
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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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
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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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
Abstract
The invention discloses an submarine cable impact performance testing system which comprises an external frame, an upright post mechanism, a vertical lifting mechanism, an impact mechanism and a supporting platform, wherein the external frame is arranged on the supporting platform, the upright post mechanism comprises two guide polished rods, two sides of the vertical lifting mechanism are respectively arranged on the two guide polished rods, the vertical lifting mechanism is further provided with a grabbing hook for hooking the impact mechanism, the impact mechanism comprises a drop hammer and a weight for generating impact on a tested product, and the supporting platform is provided with a fixed clamping device.
Description
Technical Field
The invention relates to the technical field of submarine cable tests, in particular to an submarine cable impact performance test system.
Background
The submarine cable is protected by riprap after being laid, but the riprap protection cannot protect the riprap rock too small, otherwise the riprap protection cannot protect the submarine cable effectively for a long time, but the riprap rock is too large to damage the submarine cable, so generally needs to acquire the information of the impact bearing capacity of the submarine cable in advance, obtain an impact influence index and determine the impact capacity of the submarine cable.
At present, the submarine cable is subjected to fewer impact tests, or a complex frame system with low simulation degree is adopted for the tests, a professional effective test system is lacked, the mechanical impact performance of the cable cannot be accurately obtained, and potential safety hazards are buried for future use.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide submarine cable impact performance test systems that can effectively test the mechanical impact performance of submarine cables.
In order to achieve the purpose, the invention provides an submarine cable impact performance testing system which comprises an outer frame, a stand column mechanism, a vertical lifting mechanism, an impact mechanism and a supporting platform.
Wherein the outer frame is disposed on the support platform.
The upright post mechanism comprises two guide polished rods, and the two guide polished rods are arranged in the outer frame along the vertical direction.
The top of the vertical lifting mechanism is connected with an external winch, and two sides of the vertical lifting mechanism are respectively arranged on the two guide polished rods; the vertical lifting mechanism is used for vertically moving along the guide polished rod under the driving of the external winch.
The vertical lifting mechanism is also provided with a grabbing hook for hooking the impact mechanism.
The impact mechanism comprises a drop hammer and a weight for generating impact on the tested object.
And the supporting platform is provided with a fixing and clamping device, and the tested object is fixed on the supporting platform through the fixing and clamping device.
As an improvement of the scheme, the outer frame is provided with a fixed pulley, the outer winch is connected with the fixed pulley through a steel wire rope, and the steel wire rope is also used for connecting the vertical lifting mechanism.
As an improvement of the scheme, a grabbing hole is formed in the vertical lifting mechanism, and a grabbing hook is arranged in the grabbing hole.
As a modification of the above, the impact mechanism includes an impact frame; two sides of the impact frame are respectively arranged on the two guide polish rods; the top of the impact frame is provided with a lifting hook which is used for being connected with the grabbing hook; the drop hammer is arranged at the bottom of the impact frame; the weight is arranged in the impact frame.
As an improvement of the scheme, the device further comprises a secondary impact plate, and the secondary impact plate is arranged on the surface of the tested product.
As an improvement of the scheme, the fixed clamping device is a sample fixing bolt.
As an improvement of the above scheme, the number of the sample fixing bolts is two, and the two sample fixing bolts are respectively arranged on two sides of the external frame.
According to the submarine cable impact performance testing system provided by the invention, the specific external frame, the upright post mechanism, the vertical lifting mechanism and the impact mechanism are constructed on the supporting platform, and all mechanisms of the whole system are matched to work together; the vertical lifting mechanism is matched with the impact mechanism to simulate impact action under the driving of an external winch, so that less external interference is received; the impact height can be adjusted by a vertical lifting mechanism, so that the flexibility is stronger; fixing the tested object by the fixing and clamping device so as to accurately impact a preset position; the whole testing system can test the mechanical impact performance of the submarine cable more accurately, and is simpler in structure, reasonable in steps and more convenient and faster to operate.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an submarine cable impact performance testing system according to an embodiment of the present invention;
fig. 2 is a side view of submarine cable impact performance testing systems according to the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of of the present invention, rather than all embodiments.
In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only used for convenience in describing the embodiments of the present invention, and do not indicate or imply that the devices or components referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the embodiments of the present invention.
In addition, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
An embodiment of the present invention provides a submarine cable impact performance testing system, and specifically, please refer to fig. 1, which is a schematic structural diagram of a submarine cable impact performance testing system according to an embodiment of the present invention, where the whole testing system is composed of an external frame, a column mechanism, a vertical lifting mechanism, an impact mechanism, and a supporting platform.
The supporting platform is arranged at the bottommost part of the whole testing system, and the external frame is arranged on the supporting platform. As shown in fig. 1, the outer frame is disposed at the outermost side of the test system.
The upright post mechanism comprises two guide polished rods, and the two guide polished rods are arranged in the outer frame along the vertical direction. As shown in fig. 1, the two guide polish rods are respectively disposed at two opposite sides of the external frame, and respectively close to the two opposite sides of the external frame.
The top of the vertical lifting mechanism is connected with an external winch, and two sides of the vertical lifting mechanism are respectively arranged on the two guide polished rods; the vertical lifting mechanism is used for vertically moving along the guide polished rod under the driving of the external winch. As shown in fig. 1, the top of the vertical lifting mechanism is connected with an external winch through a steel wire rope, and the whole lifting mechanism can move up and down along the track of the guide polished rod under the driving of the external winch due to the fact that two sides of the vertical lifting mechanism are arranged on the guide polished rod.
The vertical lifting mechanism is also provided with a grabbing hook for hooking the impact mechanism.
The impact mechanism comprises a drop hammer and a weight for generating impact on the tested object. The mass and the material of the drop hammer are determined by specific test requirements, and the number of the weights can be adjusted according to the actual test requirements.
The supporting platform is provided with a fixed clamping device, and the tested object is fixed on the supporting platform through the fixed clamping device, so that the impact action generated by the impact mechanism is guaranteed to accurately hit a preset position.
According to the submarine cable impact performance testing system provided by the invention, the specific external frame, the upright post mechanism, the vertical lifting mechanism and the impact mechanism are constructed on the supporting platform, and all mechanisms of the whole system are matched to work together; the vertical lifting mechanism is matched with the impact mechanism to simulate impact action under the driving of an external winch, so that less external interference is received; the impact height can be adjusted by a vertical lifting mechanism, so that the flexibility is stronger; fixing the tested object by the fixing and clamping device so as to accurately impact a preset position; the whole testing system can test the mechanical impact performance of the submarine cable more accurately, and is simpler in structure, reasonable in steps and more convenient and faster to operate.
Preferably, in this embodiment, a fixed pulley is disposed on the external frame, the external winch is connected to the fixed pulley through a steel wire rope, and the steel wire rope is further used for connecting the vertical lifting mechanism.
Preferably, in this embodiment, a grabbing hole is formed in the vertical lifting mechanism, and the grabbing hook is arranged in the grabbing hole.
Preferably, in this embodiment, the impact mechanism comprises an impact frame; two sides of the impact frame are respectively arranged on the two guide polish rods; the top of the impact frame is provided with a lifting hook which is used for being connected with the grabbing hook; the drop hammer is arranged at the bottom of the impact frame; the weight is arranged in the impact frame.
The submarine cable impact performance test system provided by the invention comprises the following specific working processes: the steel wire rope pulled out by an external winch is connected with the top of the vertical lifting mechanism through the fixed pulley, when the vertical lifting mechanism internally grabs the hook to move vertically, the hook touches the lifting hook at the top of the impact frame, the hook penetrates through the hanging ring of the lifting hook, so that the vertical lifting mechanism drives the impact frame to move vertically on the two guide polished rods, when the vertical lifting mechanism moves to a preset height, the hook is grabbed to move, the hook is separated from the impact frame, the impact frame with the weight and the drop hammer is enabled to move freely in a falling mode until the drop hammer strikes to a preset position of a tested product, and the test is finished. And subsequent result analysis can refer to the impact performance test principle in the prior art, calculate the ratio of impact energy absorbed when the tested object is damaged to the original cross-sectional area of the tested object under the action of impact load by measuring the size data of a specific part of the tested object, obtain impact strength, and further analyze and obtain the mechanical impact performance of the submarine cable.
Specifically, referring to fig. 2, a side view of an submarine cable impact performance testing system according to an embodiment of the present invention is provided, wherein the secondary impact plate is disposed on the tested object and between the surface of the tested object and the drop hammer of the impact mechanism.
Preferably, in this embodiment, the fixing and clamping device is a sample fixing bolt.
Preferably, in the above embodiment, the number of the sample fixing bolts is two, and the two sample fixing bolts are respectively provided on both sides of the outer frame. The two sides of the external frame are fixed on the supporting platform by adopting the fixing bolts, so that the stability of the whole testing system is improved, and the impact mechanism is ensured to accurately impact a preset position.
According to the submarine cable impact performance testing system provided by the invention, the specific external frame, the upright post mechanism, the vertical lifting mechanism and the impact mechanism are constructed on the supporting platform, and all mechanisms of the whole system are matched to work together; the vertical lifting mechanism is matched with the impact mechanism to simulate impact action under the driving of an external winch, so that less external interference is received; the impact height can be adjusted by a vertical lifting mechanism, so that the flexibility is stronger; fixing the tested object by the fixing and clamping device so as to accurately impact a preset position; the whole testing system can test the mechanical impact performance of the submarine cable more accurately, and is simpler in structure, reasonable in steps and more convenient and faster to operate.
While the above disclosure describes preferred embodiments of the present invention, it is understood that the scope of the present invention should not be limited thereby, and it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
- The system for testing the impact performance of submarine cables is characterized by comprising an external frame, a stand column mechanism, a vertical lifting mechanism, an impact mechanism and a supporting platform;the external frame is arranged on the supporting platform;the upright post mechanism comprises two guide polished rods, and the two guide polished rods are arranged in the outer frame along the vertical direction;the top of the vertical lifting mechanism is connected with an external winch, and two sides of the vertical lifting mechanism are respectively arranged on the two guide polished rods; the vertical lifting mechanism is driven by the external winch to vertically move along the guide polished rod;the vertical lifting mechanism is also provided with a grabbing hook for hooking the impact mechanism;the impact mechanism comprises a drop hammer and a weight for generating impact on the tested object;and the supporting platform is provided with a fixing and clamping device, and the tested object is fixed on the supporting platform through the fixing and clamping device.
- 2. The submarine cable impact performance testing system according to claim 1, wherein a fixed pulley is provided on the outer frame, and the outer winch is connected to the fixed pulley through a wire rope, and the wire rope is further used for connecting the vertical lift mechanism.
- 3. The submarine cable impact testing system according to claim 1, wherein a grabbing hole is formed in the vertical lifting mechanism, and the grabbing hook is arranged in the grabbing hole.
- 4. The submarine cable impact performance testing system according to claim 1, wherein said impact mechanism comprises an impact frame; two sides of the impact frame are respectively arranged on the two guide polish rods; the top of the impact frame is provided with a lifting hook which is used for being connected with the grabbing hook; the drop hammer is arranged at the bottom of the impact frame; the weight is arranged in the impact frame.
- 5. The submarine cable impact performance testing system according to claim 1, further comprising a secondary impact plate provided on the surface of the test object.
- 6. The submarine cable impact testing system according to claim 1, wherein said fixed clamping means is a sample fixing bolt.
- 7. The submarine cable impact performance testing system according to claim 6, wherein the number of said specimen fixing bolts is two, and two of said specimen fixing bolts are respectively provided on both sides of said outer frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911080700.5A CN110736668A (en) | 2019-11-06 | 2019-11-06 | submarine cable impact performance test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911080700.5A CN110736668A (en) | 2019-11-06 | 2019-11-06 | submarine cable impact performance test system |
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| Publication Number | Publication Date |
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| CN110736668A true CN110736668A (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911080700.5A Pending CN110736668A (en) | 2019-11-06 | 2019-11-06 | submarine cable impact performance test system |
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| CN (1) | CN110736668A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366477A (en) * | 2020-04-30 | 2020-07-03 | 中国飞机强度研究所 | Loading device and system for drop hammer impact test |
| CN112305148A (en) * | 2020-11-30 | 2021-02-02 | 广西顺业线缆有限公司 | Cable quality detection system for urban rail |
| CN112305147A (en) * | 2020-11-30 | 2021-02-02 | 广西顺业线缆有限公司 | Fireproof cable combustion test device |
Citations (7)
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| US5457984A (en) * | 1994-05-20 | 1995-10-17 | The United States Of Americas As Represented By The Administrator Of National Aeronautics And Space Administration | Internally damped, self-arresting vertical drop-weight impact test apparatus |
| CN202420988U (en) * | 2011-12-21 | 2012-09-05 | 昆明理工大学 | Mechanical stop-hook-type secondary impact catch plastic pipe material impact-resisting testing machine |
| CN104142278A (en) * | 2014-08-25 | 2014-11-12 | 中国矿业大学 | Drop weight type dynamic and static combined load impact experimental device |
| CN104819818A (en) * | 2015-04-28 | 2015-08-05 | 石家庄铁道大学 | Automatic tunnel inverted arch impact model system |
| CN108254269A (en) * | 2017-12-25 | 2018-07-06 | 南京利德东方橡塑科技有限公司 | Railway brake hose impact property test tool |
| CN110031394A (en) * | 2019-04-18 | 2019-07-19 | 燕山大学 | A kind of sliding compound friction testing machine of drop hammer type punching |
| CN209400172U (en) * | 2018-12-19 | 2019-09-17 | 湖北屯仓管业科技发展有限公司 | A kind of plastic pipe drop hammer impact testing machine |
-
2019
- 2019-11-06 CN CN201911080700.5A patent/CN110736668A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5457984A (en) * | 1994-05-20 | 1995-10-17 | The United States Of Americas As Represented By The Administrator Of National Aeronautics And Space Administration | Internally damped, self-arresting vertical drop-weight impact test apparatus |
| CN202420988U (en) * | 2011-12-21 | 2012-09-05 | 昆明理工大学 | Mechanical stop-hook-type secondary impact catch plastic pipe material impact-resisting testing machine |
| CN104142278A (en) * | 2014-08-25 | 2014-11-12 | 中国矿业大学 | Drop weight type dynamic and static combined load impact experimental device |
| CN104819818A (en) * | 2015-04-28 | 2015-08-05 | 石家庄铁道大学 | Automatic tunnel inverted arch impact model system |
| CN108254269A (en) * | 2017-12-25 | 2018-07-06 | 南京利德东方橡塑科技有限公司 | Railway brake hose impact property test tool |
| CN209400172U (en) * | 2018-12-19 | 2019-09-17 | 湖北屯仓管业科技发展有限公司 | A kind of plastic pipe drop hammer impact testing machine |
| CN110031394A (en) * | 2019-04-18 | 2019-07-19 | 燕山大学 | A kind of sliding compound friction testing machine of drop hammer type punching |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366477A (en) * | 2020-04-30 | 2020-07-03 | 中国飞机强度研究所 | Loading device and system for drop hammer impact test |
| CN112305148A (en) * | 2020-11-30 | 2021-02-02 | 广西顺业线缆有限公司 | Cable quality detection system for urban rail |
| CN112305147A (en) * | 2020-11-30 | 2021-02-02 | 广西顺业线缆有限公司 | Fireproof cable combustion test device |
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Application publication date: 20200131 |