CN109374283B - Test device of wire lifting hook - Google Patents
Test device of wire lifting hook Download PDFInfo
- Publication number
- CN109374283B CN109374283B CN201811525949.8A CN201811525949A CN109374283B CN 109374283 B CN109374283 B CN 109374283B CN 201811525949 A CN201811525949 A CN 201811525949A CN 109374283 B CN109374283 B CN 109374283B
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- China
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- pulley block
- yoke plate
- wire lifting
- fixing
- plate
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- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 2
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- 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
-
- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The application discloses carry test device of line hook includes: the connecting plate, the first pulley block and the second pulley block. According to the wire lifting hook, the long rope sleeves wound on the first pulley block and the second pulley block are sleeved at the barbs of the wire lifting hook, the second fixing holes of the connecting plates are used for combining the first pulling force of the first pulley block and the second pulling force of the second pulley block into the third pulling force, the pulling force borne by the connecting plates and the wire lifting hook is consistent in size, the fixed detection of the pulling force test of the wire lifting hook is achieved, and the technical problem that hidden danger exists in the safety guarantee of live working is solved.
Description
Technical Field
The application relates to the technical field of electric power operation, in particular to a test device of a wire lifting hook.
Background
In live working, after long-term use, the four-wire lifting hook is very likely to generate metal fatigue under the action of cyclic stress or cyclic strain, and one or more parts are gradually damaged by local permanent accumulation, so that cracks are generated or cracks are generated suddenly after certain cyclic times, and the personal safety of live working personnel and the running safety of a power grid are threatened.
In the process of detecting and testing the four-wire lifting hook, no effective test device can carry out stress test and definite inspection on the four-wire lifting hook at present, so that the technical problem that potential hazards exist in the safety guarantee of live working is caused.
Content of the application
The application provides a carry test device of line hook, realized carrying out the atress test to carrying the line hook and examining certainly, solved the technical problem that live working's safety guarantee exists hidden danger.
The application provides a carry test device of line hook, include:
the connecting plate, the first pulley block and the second pulley block;
the yoke plate is in an axisymmetric shape;
two first fixing holes are axially symmetrically formed in the bottom edge of the connecting plate;
a second fixing hole is formed in the top edge of the connecting plate;
the connecting part of the first pulley block and the connecting part of the second pulley block are symmetrically and fixedly connected with the yoke plate through the first fixing hole;
the first pulley block and the second pulley block are wound with rope sleeves with equal length;
and combining the first tension of the first pulley block and the second tension of the second pulley block into a third tension through the second fixing hole, wherein the third tension is the reaction force of the resultant force of the first tension and the second tension.
Optionally, the device further comprises a pulling plate;
a third fixing hole is formed in the bottom of the pulling plate;
the pulling plate is fixedly connected with the yoke plate through the second fixing hole and the third fixing hole.
Optionally, the positions of the two first fixing holes of the yoke plate are vertically and correspondingly arranged with the two symmetrical connecting holes of the wire lifting hook.
Optionally, the yoke plate is an isosceles triangle yoke plate.
Optionally, the bottom edge of the isosceles triangle yoke plate is axially symmetrically provided with two first fixing holes;
the vertex angle of the isosceles triangle yoke plate is provided with a second fixing hole along the central shaft.
Optionally, the yoke plate is a rectangular yoke plate.
Optionally, the bottom edge of the rectangular yoke plate is axially symmetrically provided with two first fixing holes;
two second fixing holes are axially symmetrically formed in the top edge of the rectangular yoke plate;
the device also comprises two first equal-length fixing ropes;
the two first equal-length fixing ropes are respectively bound with the two second fixing holes.
Optionally, the yoke plate is a circular yoke plate.
Optionally, the circular yoke plate is provided with two first fixing holes and two second fixing holes;
the two first fixing holes and the two second fixing holes are symmetrical in pairs in front of each other;
the device also comprises two second equal-length fixing ropes;
the two second equal-length fixing ropes are respectively bound with the two second fixing holes.
From the above technical scheme, the application has the following advantages:
the application provides a carry test device of line hook, include: the connecting plate, the first pulley block and the second pulley block; the yoke plate is in an axisymmetric shape; two first fixing holes are axially symmetrically formed in the bottom edge of the connecting plate; a second fixing hole is formed in the top edge of the connecting plate; the connecting part of the first pulley block and the connecting part of the second pulley block are symmetrically and fixedly connected with the yoke plate through the first fixing hole; the first pulley block and the second pulley block are wound with rope sleeves with equal length; and combining the first tension of the first pulley block and the second tension of the second pulley block into a third tension through the second fixing hole, wherein the third tension is the reaction force of the resultant force of the first tension and the second tension.
According to the wire lifting hook, the long rope sleeves wound on the first pulley block and the second pulley block are sleeved at the barbs of the wire lifting hook, the second fixing holes of the connecting plates are used for combining the first pulling force of the first pulley block and the second pulling force of the second pulley block into the third pulling force, the pulling force borne by the connecting plates and the wire lifting hook is consistent in size, the fixed detection of the pulling force test of the wire lifting hook is achieved, and the technical problem that hidden danger exists in the safety guarantee of live working is solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a front view of one embodiment of a test device for a wire lifting hook provided herein;
FIG. 2 is a side view of one embodiment of a test device for a bail provided herein;
FIG. 3 is a schematic view of a first embodiment of a yoke plate provided herein;
FIG. 4 is a schematic view of a second embodiment of a yoke plate provided herein;
FIG. 5 is a schematic view of a third embodiment of a yoke plate provided herein;
wherein, the reference numerals are as follows:
1. a yoke plate; 2. a first pulley block; 3. the second pulley block; 4. an equilong rope sleeve.
Detailed Description
The embodiment of the application provides a test device of lifting wire hook, realizes carrying wire hook's tensile test and examining certainly, has solved the technical problem that live working's safety guarantee exists hidden danger.
In order to make the application objects, features and advantages of the present application more obvious and understandable, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the embodiments described below are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Referring to fig. 1 and 2, the present application provides a test device for a wire lifting hook, including:
the connecting plate 1, the first pulley block 2 and the second pulley block 3;
the yoke plate 1 is in an axisymmetric shape;
two first fixing holes are axially symmetrically formed in the bottom edge of the connecting plate 1;
a second fixing hole is formed in the top edge of the yoke plate 1;
the connecting part of the first pulley block 2 and the connecting part of the second pulley block 3 are symmetrically and fixedly connected with the connecting plate 1 through the first fixing hole;
the first pulley block 2 and the second pulley block 3 are wound with an equilong rope sleeve 4;
combining the first tension of the first pulley block 2 and the second tension of the second pulley block 3 into a third tension through the second fixing hole, wherein the third tension is the reaction force of the resultant force of the first tension and the second tension;
the application is through the equilong rope sleeve 4 cover that will wind in first assembly pulley 2 and second assembly pulley 3 is in the barb department of carrying the line hook, by the second fixed orifices of yoke plate 1 with the first pulling force of first assembly pulley 2 and the second pulling force of second assembly pulley 3 synthetic third pulling force for yoke plate 1 is unanimous with the pulling force size that carries the line hook and bear, realizes carrying the pulling force test of line hook and examining certainly, has solved the technical problem that live working's safety guarantee exists hidden danger.
Further, the device also comprises a pulling plate;
the bottom of the pulling plate is provided with a third fixing hole;
the pulling plate is fixedly connected with the yoke plate 1 through the second fixing hole and the third fixing hole;
it should be noted that, in order to better fix and pull the yoke plate 1, the embodiment of the present application may further be provided with a pull plate, and the third fixing hole at the bottom of the pull plate and the second fixing hole of the yoke plate 1 are correspondingly and fixedly connected.
Further, the positions of the two first fixing holes of the yoke plate 1 are vertically and correspondingly arranged with the two symmetrical connecting holes of the wire lifting hook;
it should be noted that, in order to accurately balance the first tension of the first pulley block 2 and the second tension of the second pulley block 3, the positions of the two first fixing holes of the yoke plate 1 and the positions of the two symmetrical connecting holes on the wire lifting hook are vertically arranged in a one-to-one correspondence manner, and the two first fixing holes of the yoke plate 1 are symmetrically distributed along the central axis of the yoke plate 1.
Further, the yoke plate 1 is an isosceles triangle yoke plate.
Further, two first fixing holes are axially symmetrically formed in the bottom edge of the isosceles triangle yoke plate;
the vertex angle of the isosceles triangle yoke plate is provided with a second fixing hole along the central shaft.
Further, the yoke plate 1 is a rectangular yoke plate.
Further, two first fixing holes are axially symmetrically formed in the bottom edge of the rectangular yoke plate;
two second fixing holes are axially symmetrically formed in the top edge of the rectangular yoke plate;
the device also comprises two first equal-length fixing ropes;
the two first equal-length fixing ropes are respectively bound with the two second fixing holes.
Further, the yoke plate 1 is a circular yoke plate.
Further, two first fixing holes and two second fixing holes are formed in the circular connecting plate;
the two first fixing holes and the two second fixing holes are symmetrical in pairs at the front centers;
the device also comprises two second equal-length fixing ropes;
the two second equal-length fixing ropes are respectively bound with the two second fixing holes.
It should be noted that, the specific requirement of the yoke plate 1 is that the first tension force of the first pulley block 2 and the second tension force of the second pulley block 3 can be finally combined into a reaction force of resultant force with the first tension force and the second tension force, and the specific structure and the shape of the yoke plate 1 with three different types are provided in the application, so that the requirement of the application on the yoke plate 1 can be realized.
The above embodiments are merely for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (7)
1. A test device for a wire lifting hook, comprising:
the connecting plate, the first pulley block and the second pulley block;
the yoke plate is in an axisymmetric shape;
two first fixing holes are axially symmetrically formed in the bottom edge of the connecting plate;
a second fixing hole is formed in the top edge of the connecting plate;
the connecting part of the first pulley block and the connecting part of the second pulley block are symmetrically and fixedly connected with the yoke plate through the first fixing hole;
the first pulley block and the second pulley block are wound with equilong rope sleeves, and the equilong rope sleeves are sleeved at barbs of the wire lifting hooks;
combining the first tension of the first pulley block and the second tension of the second pulley block into a third tension through the second fixing hole, wherein the third tension is the reaction force of the resultant force of the first tension and the second tension;
the positions of the two first fixing holes of the connecting plate are vertically and correspondingly arranged with the two symmetrical connecting holes of the wire lifting hook;
the device also comprises a pulling plate;
a third fixing hole is formed in the bottom of the pulling plate;
the pulling plate is fixedly connected with the yoke plate through the second fixing hole and the third fixing hole.
2. The test device for a wire lifting hook according to claim 1, wherein the yoke plate is an isosceles triangle yoke plate.
3. The test device for wire lifting hooks according to claim 2, wherein,
two first fixing holes are axially symmetrically formed in the bottom edge of the isosceles triangle connecting plate;
the vertex angle of the isosceles triangle yoke plate is provided with a second fixing hole along the central shaft.
4. The test device for a wire lifting hook according to claim 1, wherein the yoke plate is a rectangular yoke plate.
5. The test device for wire lifting hooks according to claim 4, wherein,
two first fixing holes are axially symmetrically formed in the bottom edge of the rectangular yoke plate;
two second fixing holes are axially symmetrically formed in the top edge of the rectangular yoke plate;
the device also comprises two first equal-length fixing ropes;
the two first equal-length fixing ropes are respectively bound with the two second fixing holes.
6. The test device for a wire lifting hook according to claim 1, wherein the yoke plate is a circular yoke plate.
7. The test device for wire lifting hooks according to claim 6, wherein,
the circular connecting plate is provided with two first fixing holes and two second fixing holes;
the two first fixing holes and the two second fixing holes are symmetrical in pairs;
the device also comprises two second equal-length fixing ropes;
the two second equal-length fixing ropes are respectively bound with the two second fixing holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811525949.8A CN109374283B (en) | 2018-12-13 | 2018-12-13 | Test device of wire lifting hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811525949.8A CN109374283B (en) | 2018-12-13 | 2018-12-13 | Test device of wire lifting hook |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109374283A CN109374283A (en) | 2019-02-22 |
| CN109374283B true CN109374283B (en) | 2024-04-05 |
Family
ID=65373626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811525949.8A Active CN109374283B (en) | 2018-12-13 | 2018-12-13 | Test device of wire lifting hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109374283B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315307A (en) * | 2008-07-11 | 2008-12-03 | 中国科学院国家天文台 | A test device for the mechanical properties of an actuator |
| CN202260249U (en) * | 2011-09-23 | 2012-05-30 | 四川省电力公司达州电业局 | High-voltage transmission line lifter for live working |
| CN202737386U (en) * | 2012-07-04 | 2013-02-13 | 湖北省输变电工程公司 | Insulator string fixing traction tool |
| CN203688207U (en) * | 2013-12-18 | 2014-07-02 | 国家电网公司 | Portable mechanical property detection device |
| TWM510869U (en) * | 2015-07-03 | 2015-10-21 | Simhope Ind Co Ltd | Improved structure of automobile traction device |
| CN207200123U (en) * | 2017-07-21 | 2018-04-06 | 泰州市昊鑫电力机具有限公司 | A kind of four line march-past wire lifting devices |
| CN207832561U (en) * | 2018-05-30 | 2018-09-07 | 东莞市平力五金有限公司 | A kind of oblique pull tension test fixture |
| CN209102357U (en) * | 2018-12-13 | 2019-07-12 | 广东电网有限责任公司 | A kind of experimental rig of thread-lifting hook |
-
2018
- 2018-12-13 CN CN201811525949.8A patent/CN109374283B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315307A (en) * | 2008-07-11 | 2008-12-03 | 中国科学院国家天文台 | A test device for the mechanical properties of an actuator |
| CN202260249U (en) * | 2011-09-23 | 2012-05-30 | 四川省电力公司达州电业局 | High-voltage transmission line lifter for live working |
| CN202737386U (en) * | 2012-07-04 | 2013-02-13 | 湖北省输变电工程公司 | Insulator string fixing traction tool |
| CN203688207U (en) * | 2013-12-18 | 2014-07-02 | 国家电网公司 | Portable mechanical property detection device |
| TWM510869U (en) * | 2015-07-03 | 2015-10-21 | Simhope Ind Co Ltd | Improved structure of automobile traction device |
| CN207200123U (en) * | 2017-07-21 | 2018-04-06 | 泰州市昊鑫电力机具有限公司 | A kind of four line march-past wire lifting devices |
| CN207832561U (en) * | 2018-05-30 | 2018-09-07 | 东莞市平力五金有限公司 | A kind of oblique pull tension test fixture |
| CN209102357U (en) * | 2018-12-13 | 2019-07-12 | 广东电网有限责任公司 | A kind of experimental rig of thread-lifting hook |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109374283A (en) | 2019-02-22 |
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