CN106908330A - Compound cross-arm single-direction and dual-direction combination bend test device - Google Patents
Compound cross-arm single-direction and dual-direction combination bend test device Download PDFInfo
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- CN106908330A CN106908330A CN201710141812.1A CN201710141812A CN106908330A CN 106908330 A CN106908330 A CN 106908330A CN 201710141812 A CN201710141812 A CN 201710141812A CN 106908330 A CN106908330 A CN 106908330A
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- electric pole
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- test device
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 150000001875 compounds Chemical class 0.000 title claims abstract description 20
- 238000004088 simulation Methods 0.000 claims abstract description 41
- 230000005611 electricity Effects 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010998 test method Methods 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 6
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005570 vertical transmission Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
-
- 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
-
- 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
- G01N2203/0037—Generation of the force using mechanical means involving a rotating movement, e.g. gearing, cam, eccentric, or centrifuge effects
-
- 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
- G01N2203/0264—Beam
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- 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)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Electric Cable Installation (AREA)
Abstract
The present invention relates to compound cross-arm single-direction and dual-direction combination bend test device, including base plate, upper plate, left basic electric pole, right basic electric pole and side plate, base plate is provided with the ground datum hole of fixed base plate, upper plate is provided with simulation electric pole, simulation electric pole is detachably connected on the surface of left basic electric pole or the surface of right basic electric pole, simulation electric pole is provided with cross-arm, and pulling force component, advantages of the present invention are connected with cross-arm：Cross-arm is arranged on simulation electric pole, by the flexibility of pulling force assembly test cross-arm, effectively simplify test procedure, the efficiency of experiment can be improve, and the overall structure of experimental rig is simple, improve existing actual linked network fixed form, reduce installment work intensity, simulation electric pole is arranged to be detachably connected with upper plate, simulation electric pole is arranged on the surface of left basic electric pole or the surface of right basic electric pole, the cross-arm for adapting to different structure installs fixation, improves Practical Performance, and easy installation and removal.
Description
Technical field
The present invention relates to compound cross-arm single-direction and dual-direction combination bend test device.
Background technology
Compound cross-arm is important part in shaft tower, and its effect is for installing insulator and gold utensil, to support
Wire, lightning conducter, and be allowed to keep certain safe distance by regulation, the transmission line of electricity for running all the year round, often by the Nature because
Element effect, makes transmission line of electricity and shaft tower produce outside the horizontal load of vertical transmission line of electricity direction, can also cause under certain condition defeated
Amplitude is produced to be not more than the stationary wave vibration of diameter of wire on electric wire line conductor, conductor vibration will necessarily be related on circuit some to be combined
Cross-arm, therefore, it is necessary to bend test is carried out to compound cross-arm, detection is combined the vibration performance of cross-arm, and existing compound cross-arm is with reality
The cantilever beam fixed form of border hanging net operation, 2~3kN alternating bending load is implemented in its end, by multiple sine alternately
Reversed bending load test, then carries out 10kN bending load resistance tests, when compound cross-arm phenomenon without exception to compound cross-arm
It is that the compound horizontal counter-bending vibration performance of explanation is reliable and stable, the efficiency that above-mentioned test method has experiment is low, and installment work is strong
Degree is big.
The content of the invention
The technical problem to be solved in the present invention is just to provide compound cross-arm single-direction and dual-direction combination bend test device, solves existing
Cross-arm bend test has that test efficiency is low.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions：Compound cross-arm single-direction and dual-direction group
Close bend test device, including base plate, upper plate, left basic electric pole, right basic electric pole and two pieces of sides being vertically set on base plate
Plate, upper plate is arranged on side plate, and base plate is provided with the ground datum hole of fixed base plate, the bottom of left basic electric pole and right basic electric pole
Bottom is connected with base plate, and the top of the top of left basic electric pole and right basic electric pole is connected with upper plate, and upper plate is provided with mould
Intend electric pole, simulation electric pole is detachably connected on the surface of left basic electric pole or the surface of right basic electric pole, on simulation electric pole
Cross-arm is provided with, the pulling force component of experiment cross-arm flexibility is connected with cross-arm.
Preferably, the horizontal axis of cross-arm and the spacing of base plate bottom surface are 900mm, and simulation electric pole is provided with tag line,
Ensure the degree of accuracy of cross-arm height, can realize consistent with the axis of testing machine, it is ensured that on coaxially, what raising was tested can for test force
By property, graduation mark can realize that cross-arm is quickly arranged on simulation electric pole.
Preferably, pulling force component includes puller system and chain, and one end of chain is connected with puller system, the other end of chain and
Cross-arm is connected, and adapts to simulate the cross-arm experiment that electric pole is arranged on right basic electric pole, can guarantee that stationarity during pull test,
Ensure cross-arm uniform force.
Preferably, cross-arm is provided with the preceding connecting plate of connection chain, and preceding connecting plate is detachably connected on cross-arm, adapts to
Simulation electric pole is arranged on the cross-arm experiment on left basic electric pole, the bending efficiency of cross-arm when can guarantee that experiment, it is ensured that cross-arm stress
Uniformly.
Preferably, the bottom of simulation electric pole is provided with adpting flange, and adpting flange is detachably connected with upper plate by fastener,
The bonding strength of simulation electric pole and upper plate can be improved, it is to avoid the damage of simulation electric pole, it is ensured that the accuracy of experiment.
Preferably, fastener includes screw bolt and nut, and bolt is arranged on upper plate, and adpting flange is provided with and is communicated with bolt
Through hole, nut is arranged on bolt, easy installation and removal, and connection is reliable, it is ensured that the linearity of electric pole is simulated during experiment.
Preferably, simulation electric pole is provided with and is easy to simulate the handle that electric pole is extracted, and is easy to simulation electric pole to extract, and realizes simulation
The quick-replaceable of electric pole.
Preferably, side plate is provided with reinforcing plate, can improve the intensity of side plate, reduces the damage of side plate, it is ensured that mould during experiment
Intend the intensity of electric pole, improve test efficiency.
In sum, advantages of the present invention：1. cross-arm is arranged on simulation electric pole, by pulling force assembly test cross-arm
Flexibility, effectively simplifies test procedure, can improve the efficiency of experiment, and the overall structure of experimental rig is simple, improves
Existing actual linked network fixed form, reduces installment work intensity；
2. simulation electric pole is arranged to be detachably connected with upper plate, simulation electric pole is arranged on the surface of left basic electric pole
Or the surface of right basic electric pole, cross-arm can be enable to test switchback in the experiment of unilateral mechanical load and bilateral mechanical load
Change, improve Practical Performance, and easy installation and removal；
3. two blocks of side plates are vertically set on base plate, can guarantee that the stationarity of upper plate, are conducive to pulling force component to apply pulling force,
Prevent the damage of upper plate；
4. the setting of datum hole, can guarantee that the steady placement of base plate, and base plate can be prevented when cross-arm carries out bend test
Loosen, improve test efficiency.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of the embodiment of the present invention one；
Fig. 2 is the partial enlarged drawing of I in Fig. 1；
Fig. 3 is the structural representation of the embodiment of the present invention two.
Specific embodiment
Embodiment one：
As shown in Figure 1 and Figure 2, cross-arm single-direction and dual-direction combination bend test device, including base plate 1, upper plate 2, left basis electricity are combined
The side plate 5 that bar 3, right basic electric pole 4 and two pieces are set in parallel on base plate 1, upper plate 2 is arranged on side plate 5, and base plate 1 is provided with
The bottom of the ground datum hole 11 of fixed base plate 1, the bottom of left basic electric pole 3 and right basic electric pole 4 is connected with base plate 1, left basis
The top of the top of electric pole 3 and right basic electric pole 4 is connected with upper plate 2, and upper plate 2 is provided with simulation electric pole 6, and simulation electric pole 6 can
Dismounting is connected to the surface of left basic electric pole 3 or the surface of right basic electric pole 4, and simulation electric pole 6 is provided with cross-arm 7, cross-arm 7
On be connected with experiment the flexibility of cross-arm 7 pulling force component 8.
The horizontal axis of cross-arm 7 is 900mm with the spacing of the bottom surface of base plate 1, and simulation electric pole 6 is provided with tag line 61, protects
The degree of accuracy of cross-arm height is demonstrate,proved, can be realized consistent with the axis of testing machine, it is ensured that test force improves the reliability of experiment on coaxially
Property, graduation mark can realize that cross-arm is quickly arranged on and simulate on electric pole that pulling force component 8 includes puller system 81 and chain 82, chain
82 one end is connected with puller system 81, and the other end of chain 82 is connected with cross-arm 7, adapts to simulation electric pole and is arranged on right basis electricity
Cross-arm experiment on bar, can guarantee that stationarity during pull test, it is ensured that cross-arm uniform force.
The bottom for simulating electric pole 6 is provided with adpting flange 62, and adpting flange 62 is detachably connected with upper plate 2 by fastener 9,
The bonding strength of simulation electric pole and upper plate can be improved, it is to avoid the damage of simulation electric pole, it is ensured that the accuracy of experiment, fastener 9 is wrapped
Bolt 91 and nut 92 are included, bolt 91 is arranged on upper plate 2, and adpting flange 62 is provided with the through hole communicated with bolt 91, nut
92 are arranged on bolt 91, easy installation and removal, and connection is reliable, it is ensured that the linearity of electric pole is simulated during experiment.
Simulation electric pole 6 is provided with to be easy to simulate the handle 64 that electric pole 6 is extracted, and is easy to simulation electric pole to extract, and realizes simulation electricity
The quick-replaceable of bar, side plate 5 is provided with reinforcing plate 51, can improve the intensity of side plate, reduces the damage of side plate, it is ensured that mould during experiment
Intend the intensity of electric pole, improve test efficiency.
Embodiment two:
Compound cross-arm single-direction and dual-direction combination bend test device as described in embodiment one, the present embodiment has following difference
Place：As shown in figure 3, cross-arm 7 is provided with the preceding connecting plate 71 of connection chain, preceding connecting plate is detachably connected on cross-arm 7, can fit
Cross-arm experiment of the electric pole on left basic electric pole, the bending efficiency of cross-arm when can guarantee that experiment, it is ensured that cross-arm is received should be simulated
Power is uniform.
When using, installed on the ground by the ground datum hole 11 on base plate 1, then pacify simulation electric pole 6 by fastener 9
On upper plate 2, then according to simulation electric pole 6 on tag line 61 by cross-arm 7 be arranged on simulation electric pole 6 on, and cross-arm 7 water
Flat axis is maintained at 900mm with the spacing of base plate 1, then the chain 82 of pulling force component 8 is connected with cross-arm 7, by pulling force
Machine 81 applies pulling force to chain 82, realizes the bend test to cross-arm 7, and according to the demand of experiment, operating personnel can pass through
Handle 64 extracts simulation electric pole 6, makes simulation electric pole 6 mutual in the surface of the surface of left basic electric pole 3 or right basic electric pole 4
Regulation is installed, and realizes that cross-arm is switched fast back and forth in the experiment of unilateral mechanical load and the experiment of bilateral mechanical load.
In addition to above preferred embodiment, the present invention also has other implementation methods, and those skilled in the art can be according to this
Invention is variously modified and deforms, and without departing from spirit of the invention, all should belong to appended claims of the present invention and determine
The scope of justice.
Claims (8)
1. cross-arm single-direction and dual-direction combination bend test device is combined, it is characterised in that：Including base plate (1), upper plate (2), left basis electricity
Bar (3), right basic electric pole (4) and two blocks of side plates (5) being vertically set on base plate (1), upper plate (2) are arranged on side plate (5),
Base plate (1) is provided with the ground datum hole (11) of fixed base plate (1), the bottom of left basic electric pole (3) and the bottom of right basic electric pole (4)
It is connected with base plate (1), the top of left basic electric pole (3) and the top of right basic electric pole (4) are connected with upper plate (2), upper plate
(2) simulation electric pole (6) is provided with, simulation electric pole (6) is detachably connected on the surface of left basic electric pole (3) or right basic electric pole
(4) surface, simulation electric pole (6) is provided with cross-arm (7), and the pulling force group of experiment cross-arm (7) flexibility is connected with cross-arm (7)
Part (8).
2. compound cross-arm single-direction and dual-direction according to claim 1 combines bend test device, it is characterised in that：Cross-arm (7)
Horizontal axis is 900mm with the spacing of base plate (1) bottom surface, and simulation electric pole (6) is provided with tag line (61).
3. compound cross-arm single-direction and dual-direction according to claim 1 combines bend test device, it is characterised in that：Pulling force component
(8) including puller system (81) and chain (82), one end of chain (82) is connected with puller system (81), the other end of chain (82) with
Cross-arm (7) is connected.
4. compound cross-arm single-direction and dual-direction according to claim 3 combines bend test device, it is characterised in that：On cross-arm (7)
The preceding connecting plate (71) of connection chain is provided with, preceding connecting plate (71) is detachably connected on cross-arm (7).
5. compound cross-arm single-direction and dual-direction according to claim 1 combines bend test device, it is characterised in that：Simulation electric pole
(6) bottom is provided with adpting flange (62), and adpting flange (62) is detachably connected with upper plate (2) by fastener (9).
6. compound cross-arm single-direction and dual-direction according to claim 5 combines bend test device, it is characterised in that：Fastener (9)
Including bolt (91) and nut (92), bolt (91) is arranged on upper plate (2), and adpting flange (62) is provided with and bolt (91) phase
Logical through hole, nut (92) is arranged on bolt (91).
7. compound cross-arm single-direction and dual-direction according to claim 6 combines bend test device, it is characterised in that：Simulation electric pole
(6) it is provided with and is easy to simulate the handle (64) that electric pole (6) is extracted.
8. compound cross-arm single-direction and dual-direction according to claim 1 combines bend test device, it is characterised in that：On side plate (5)
It is provided with reinforcing plate (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710141812.1A CN106908330B (en) | 2017-03-10 | 2017-03-10 | Single-direction and double-direction combined bending test device for composite cross arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710141812.1A CN106908330B (en) | 2017-03-10 | 2017-03-10 | Single-direction and double-direction combined bending test device for composite cross arm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106908330A true CN106908330A (en) | 2017-06-30 |
| CN106908330B CN106908330B (en) | 2024-03-26 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710141812.1A Active CN106908330B (en) | 2017-03-10 | 2017-03-10 | Single-direction and double-direction combined bending test device for composite cross arm |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700559A (en) * | 2017-11-30 | 2018-02-16 | 国家电网公司 | A kind of pulling and pressing integrated attachment means of transmission line tower foundation strength test |
| CN109406298A (en) * | 2017-12-15 | 2019-03-01 | 国网福建省电力有限公司莆田供电公司 | A kind of composite material electric pole mechanical test method and its experimental rig |
| CN111537210A (en) * | 2020-05-18 | 2020-08-14 | 中电建武汉铁塔有限公司 | Cross arm mechanical property test device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700559A (en) * | 2017-11-30 | 2018-02-16 | 国家电网公司 | A kind of pulling and pressing integrated attachment means of transmission line tower foundation strength test |
| CN109406298A (en) * | 2017-12-15 | 2019-03-01 | 国网福建省电力有限公司莆田供电公司 | A kind of composite material electric pole mechanical test method and its experimental rig |
| CN109406298B (en) * | 2017-12-15 | 2023-11-10 | 国网福建省电力有限公司莆田供电公司 | Composite material pole mechanical property test method and test device thereof |
| CN111537210A (en) * | 2020-05-18 | 2020-08-14 | 中电建武汉铁塔有限公司 | Cross arm mechanical property test device |
| CN111537210B (en) * | 2020-05-18 | 2022-05-27 | 中电建武汉铁塔有限公司 | Cross arm mechanical property test device |
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