CN105540468A - Swing arm cross beam rising and falling device of galloping bearing test system - Google Patents
Swing arm cross beam rising and falling device of galloping bearing test system Download PDFInfo
- Publication number
- CN105540468A CN105540468A CN201610086309.6A CN201610086309A CN105540468A CN 105540468 A CN105540468 A CN 105540468A CN 201610086309 A CN201610086309 A CN 201610086309A CN 105540468 A CN105540468 A CN 105540468A
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- China
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- swing arm
- baffle plate
- arm cross
- right baffle
- plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a swing arm cross beam rising and falling device of a galloping bearing test system. The device comprises a swing arm cross beam driving device and swing arm cross beams arranged on a rack, guiding devices are arranged at the two ends of each swing arm cross beam, each guiding device comprises a guiding wheel installing seat, a guiding wheel shaft and a V-shaped guiding wheel, and the V-shaped guiding wheels are matched with V-shaped guide rails arranged on rack stand columns; the rack stand columns and the swing arm cross beams are further correspondingly provided with swing arm cross beam locking devices. According to the swing arm cross beam rising and falling device of the galloping bearing test system, vertical motion of the swing arm cross beams along the rack stand columns is achieved by arranging the guiding devices to be matched with the swing arm cross beam driving device, and rising and falling of the swing arm cross beams can be stably and efficiently achieved through cooperation of the V-shaped guiding wheels and the V-shaped guide rails; due to the fact that the rack stand columns and the swing arm cross beams are further correspondingly provided with the swing arm cross beam locking devices, locking of the swing arm cross beams at the specified positions is achieved, and the phenomenon that the swing arm cross beams are waggled along with the actions of swing arms in the galloping bearing test process is prevented from occurring.
Description
Technical field
The present invention relates to transmission line galloping test field, particularly relate to one and wave bearing test system swing arm beam lifting device.
Background technology
Transmission line galloping is uneven ice coating wire a kind of low frequency (0.1Hz ~ 3Hz) of generation, self-excited vibration of large amplitude (20 times ~ 300 times of diameter of wire) under wind excitation.It is very large that ultra-high-tension power transmission line waves energy, and time length is longer, once occur, serious harm will be caused to wire, gold utensil, shaft tower and parts thereof, cause line tripping, gold utensil and shaft tower impaired, even large-area power-cuts, cause heavy economic losses and social influence.
Wave suppression means as a kind of actv., inter-phase spacer is introduced on a large scale.On-the-spot inter-phase spacer hangs between two phase conductors, and two ends are fixed on the sub-spacer bar of wire.Experience for many years shows, although inter-phase spacer has played significant effect waving in improvement, it still exists problems and haves much room for improvement.
Line oscillation energy is large, extremely tests the mechanical characteristics of inter-phase spacer.Field operation experiences shows, inter-phase spacer bears the pulling force of the sub-spacer bar of split conductor, pressure, torsion, folding force and wrong folding power repeatedly when transmission line galloping, causes inter-phase spacer to insulate barred body and connect gold utensil fracture.In order to improve Anti-galloping effect and the mechanical strength of self of inter-phase spacer, avoid inter-phase spacer in use occur impaired fracture and lost efficacy, be necessary to study the mechanical characteristics such as pulling force, pressure and the twisting resistance that in the process of waving, inter-phase spacer bears.
Examination at present to inter-phase spacer, Primary Reference DL/T1058-2007 " exchanging aerial line compound inslation inter-phase spacer engineering factor " standard.This standard has carried out relevant regulations to the buckling test of degree of disturbing greatly of inter-phase spacer and flexing vibration fatigue test.Wherein, degree of disturbing buckling test applies load to inter-phase spacer along its axis direction greatly, do three degree of disturbing yield tests greatly that longitudinal compression distance is minimum alternate arcing distance, and flexing vibration fatigue test inter-phase spacer is no less than to the axial compression Buckling Fatigue Testing of 300,000 times, after both requiring test must not there is the phenomenons such as plug destruction, end part seal inefficacy in inter-phase spacer.These two tests are inter-phase spacer tensile compression test in a single direction in essence.The on-the-spot inter-phase spacer damaged shows as that to connect gold utensil damage, mandrel fracture, silastic material impaired etc.Inter-phase spacer in real-world operation, except the tension and compression effect being subject to sub-spacer bar, is also subject to the combined influence reversing, shear and bend load.And the power form such as folding force, twisting resistance at present conductor galloping process neutron spacer bar applied inter-phase spacer, and inter-phase spacer entirety wave fatigue test, there is no the simulating examination of being correlated with.Up to now, the domestic device also waving bearer properties test as inter-phase spacer.
Summary of the invention
The object of this invention is to provide one and wave bearing test system swing arm beam lifting device, can when carrying out waving bearer properties test, simulated high-pressure transmission line of electricity inter-phase spacer waves bearer properties test under similar suspension type rapidly and accurately, realizes the locking of the rising of swing arm crossbeam, decline and assigned address.
The present invention adopts following technical proposals:
One waves bearing test system swing arm beam lifting device, comprises swing arm crossbeam actuating device and is arranged on the swing arm crossbeam in frame, and swing arm crossbeam actuating device drives swing arm crossbeam along framework pillar up-and-down movement; Swing arm crossbeam two ends are respectively arranged with guide piece, guide piece comprises the track adjusting wheel mount pad be connected with swing arm crossbeam, guide wheel bracket is connected with in track adjusting wheel mount pad, guide wheel bracket comprises base plate and fixing two side plates vertical with base plate respectively, two side plate correspondences offer guide wheel shaft mounting hole, be provided with guide wheel shaft in guide wheel shaft mounting hole, guide wheel shaft be provided with V-arrangement track adjusting wheel, the V-type rail that V-arrangement track adjusting wheel and framework pillar are arranged matches; On framework pillar and swing arm crossbeam, also correspondence is provided with swing arm cross beam lock locking apparatus.
Described swing arm cross beam lock locking apparatus comprises be locked pin and the axis pin base being arranged on swing arm crossbeam that are arranged on framework pillar, and the pin that is locked is driven by hydraulic ram.
Described track adjusting wheel mount pad comprises lower baffle plate, right baffle-plate, upper left baffle plate, right baffle plate and upper right baffle plate, right baffle-plate and right baffle plate are vertically set on two ends, lower baffle plate upper surface left and right respectively, the upper end of right baffle-plate is provided with the upper left baffle plate parallel with lower baffle plate, and the upper end of right baffle plate is provided with the upper right baffle plate parallel with lower baffle plate; Base plate in guide wheel bracket is arranged in the space of lower baffle plate, right baffle-plate, upper left baffle plate, right baffle plate and upper right baffle plate formation, and two side plates in guide wheel bracket are between upper left baffle plate and upper right baffle plate.
Described swing arm crossbeam actuating device adopts electric wire rope winch, and electric wire rope winch passes through Steel rope drive swing arm crossbeam along framework pillar up-and-down movement.
The present invention coordinates swing arm crossbeam actuating device to complete the up-and-down movement of swing arm crossbeam along framework pillar by arranging guide piece, V-arrangement track adjusting wheel can with V-type rail coordinate the lifting that can complete swing arm crossbeam stability and high efficiency; On framework pillar and swing arm crossbeam, also correspondence is provided with swing arm cross beam lock locking apparatus, realizes the locking of swing arm crossbeam in specified location, effectively prevents swing arm crossbeam from rocking waving in bearing test process to produce along with swinging arm.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structure for amplifying schematic diagram of part A in Fig. 1;
Fig. 3 is the structural representation of guide piece;
Fig. 4 is the perspective view of guide piece.
Detailed description of the invention
As shown in Figures 1 to 4, of the present inventionly wave bearing test system swing arm crossbeam 2 jacking system, comprise swing arm crossbeam actuating device and be arranged on the swing arm crossbeam 2 in frame 1, swing arm crossbeam actuating device drives swing arm crossbeam 2 along frame 1 column up-and-down movement.Swing arm crossbeam 2 two ends are respectively arranged with guide piece, guide piece comprises the track adjusting wheel mount pad 3 be connected with swing arm crossbeam 2, guide wheel bracket is connected with in track adjusting wheel mount pad 3, guide wheel bracket comprises base plate 4 and fixing two side plates 5 vertical with base plate 4 respectively, two side plate 5 correspondences offer guide wheel shaft 6 mounting hole, guide wheel shaft 6 is provided with in guide wheel shaft 6 mounting hole, guide wheel shaft 6 is provided with V-arrangement track adjusting wheel 7, the V-type rail 8 that V-arrangement track adjusting wheel 7 and frame 1 column are arranged matches; On frame 1 column and swing arm crossbeam 2, also correspondence is provided with swing arm cross beam lock locking apparatus.
Described swing arm cross beam lock locking apparatus comprises be locked pin 9 and the axis pin base 10 being arranged on swing arm crossbeam 2 that are arranged on frame 1 column, and the pin 9 that is locked drives horizontal motion by hydraulic ram 11, inserts in axis pin base 10 or in axis pin base 10 and retracts.
In the present embodiment, swing arm crossbeam actuating device adopts electric wire rope winch 12, and electric wire rope winch 12 passes through Steel rope drive swing arm crossbeam 2 along frame 1 column up-and-down movement.Track adjusting wheel mount pad 3 comprises lower baffle plate, right baffle-plate, upper left baffle plate, right baffle plate and upper right baffle plate, right baffle-plate and right baffle plate are vertically set on two ends, lower baffle plate upper surface left and right respectively, the upper end of right baffle-plate is provided with the upper left baffle plate parallel with lower baffle plate, and the upper end of right baffle plate is provided with the upper right baffle plate parallel with lower baffle plate; Base plate 4 in guide wheel bracket is arranged in the space of lower baffle plate, right baffle-plate, upper left baffle plate, right baffle plate and upper right baffle plate formation, and two side plates 5 in guide wheel bracket are between upper left baffle plate and upper right baffle plate.Also can by bolt, track adjusting wheel mount pad 3 and guide wheel bracket further be fixed again.
The present invention controls electric wire rope winch 12 respectively by electrical control button box and hydraulic ram 11 works, electrical control button box is containing " unlock, lock, rise, decline " four buttons, wherein, " unlock, lock " control swing arm cross beam lock locking apparatus respectively to unlock or locking; " rise, decline " and control electric wire rope winch 12 forward or reverse respectively, thus control swing arm crossbeam 2 rises or declines.
The present invention in use, hypothesis test front swing arm crossbeam 2 is in the highest spacing place, when needs suspension inter-phase spacer drops to lowest part swing arm crossbeam 2, by electrical control button box " unblock " button, swing arm cross beam lock locking apparatus is unlocked, namely utilize hydraulic ram 11 to drive and be locked pin 9 horizontal motion from the interior retraction of axis pin base 10 being arranged on swing arm crossbeam 2.Then electric wire rope winch 12 is made to obtain electric startup by " decline " button, declined by the rope belt movable pendulum arm crossbeam 2 be wrapped on lifting drum, the V-arrangement track adjusting wheel 7 that swing arm crossbeam 2 two ends are arranged can match with V-type rail 8 decline of swing arm crossbeam 2.When swing arm crossbeam 2 drop to minimum spacing time, electric wire rope winch 12 power-off quits work.After swing arm crossbeam 2 drops to assigned address, the installation can carrying out inter-phase spacer is hung.After suspension, make electric wire rope winch 12 obtain electric startup by electrical control button box " rising " button revolve, risen by the rope belt movable pendulum arm crossbeam 2 be wrapped on lifting drum, the V-arrangement track adjusting wheel 7 that swing arm crossbeam 2 two ends are arranged can match with V-type rail 8 rising of swing arm crossbeam 2, when swing arm crossbeam 2 rise to the highest spacing time, electric wire rope winch 12 power-off stops, start " locking " push button control hydraulic ram 11 to work, driving pin 9 horizontal motion that is locked to insert is arranged in the axis pin base 10 of swing arm crossbeam 2, realize the locking of swing arm crossbeam 2 in specified location, prevent swing arm crossbeam 2 from rocking waving in bearing test process to produce along with swinging arm.
Claims (4)
1. wave a bearing test system swing arm beam lifting device, it is characterized in that: comprise swing arm crossbeam actuating device and be arranged on the swing arm crossbeam in frame, swing arm crossbeam actuating device drives swing arm crossbeam along framework pillar up-and-down movement; Swing arm crossbeam two ends are respectively arranged with guide piece, guide piece comprises the track adjusting wheel mount pad be connected with swing arm crossbeam, guide wheel bracket is connected with in track adjusting wheel mount pad, guide wheel bracket comprises base plate and fixing two side plates vertical with base plate respectively, two side plate correspondences offer guide wheel shaft mounting hole, be provided with guide wheel shaft in guide wheel shaft mounting hole, guide wheel shaft be provided with V-arrangement track adjusting wheel, the V-type rail that V-arrangement track adjusting wheel and framework pillar are arranged matches; On framework pillar and swing arm crossbeam, also correspondence is provided with swing arm cross beam lock locking apparatus.
2. according to claim 1ly wave bearing test system swing arm beam lifting device, it is characterized in that: described swing arm cross beam lock locking apparatus comprises be locked pin and the axis pin base being arranged on swing arm crossbeam that are arranged on framework pillar, and the pin that is locked is driven by hydraulic ram.
3. according to claim 1ly wave bearing test system swing arm beam lifting device, it is characterized in that: described track adjusting wheel mount pad comprises lower baffle plate, right baffle-plate, upper left baffle plate, right baffle plate and upper right baffle plate, right baffle-plate and right baffle plate are vertically set on two ends, lower baffle plate upper surface left and right respectively, the upper end of right baffle-plate is provided with the upper left baffle plate parallel with lower baffle plate, and the upper end of right baffle plate is provided with the upper right baffle plate parallel with lower baffle plate; Base plate in guide wheel bracket is arranged in the space of lower baffle plate, right baffle-plate, upper left baffle plate, right baffle plate and upper right baffle plate formation, and two side plates in guide wheel bracket are between upper left baffle plate and upper right baffle plate.
4. according to claim 1ly wave bearing test system swing arm beam lifting device, it is characterized in that: described swing arm crossbeam actuating device adopts electric wire rope winch, electric wire rope winch passes through Steel rope drive swing arm crossbeam along framework pillar up-and-down movement.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610086309.6A CN105540468A (en) | 2016-02-15 | 2016-02-15 | Swing arm cross beam rising and falling device of galloping bearing test system |
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CN201610086309.6A CN105540468A (en) | 2016-02-15 | 2016-02-15 | Swing arm cross beam rising and falling device of galloping bearing test system |
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CN201610086309.6A Pending CN105540468A (en) | 2016-02-15 | 2016-02-15 | Swing arm cross beam rising and falling device of galloping bearing test system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106737861A (en) * | 2016-12-05 | 2017-05-31 | 重庆华数机器人有限公司 | A kind of Robot compliance test device |
CN107300414A (en) * | 2017-07-27 | 2017-10-27 | 华北电力科学研究院有限责任公司 | What a kind of strap end portion was encouraged waves rocking platform |
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CN204789170U (en) * | 2015-07-17 | 2015-11-18 | 国网河南省电力公司电力科学研究院 | Wave loading test analogue means with adjustable go up and down |
CN105181306A (en) * | 2015-07-17 | 2015-12-23 | 国网河南省电力公司电力科学研究院 | Phase-to-phase spacer gallop bearing characteristic test system and test method |
CN205346697U (en) * | 2016-02-15 | 2016-06-29 | 国网河南省电力公司电力科学研究院 | Wave swing arm crossbeam elevating gear of load test system |
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Patent Citations (7)
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CN202921887U (en) * | 2012-11-26 | 2013-05-08 | 唐山渤海冶金设备有限责任公司 | Mounting positioning device for support guide wheel of lower lateral moving roller bed of flame cutting machine |
CN104295135A (en) * | 2014-10-24 | 2015-01-21 | 四川科莱立泊停车设备有限公司 | Method for flat-layer locking of vertical-lifting three-dimensional garage lifter |
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CN105068449A (en) * | 2015-08-20 | 2015-11-18 | 国网山东省电力公司烟台供电公司 | Numerical control swinging experimental device of overhead transmission line |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106737861A (en) * | 2016-12-05 | 2017-05-31 | 重庆华数机器人有限公司 | A kind of Robot compliance test device |
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CN107300414A (en) * | 2017-07-27 | 2017-10-27 | 华北电力科学研究院有限责任公司 | What a kind of strap end portion was encouraged waves rocking platform |
CN107300414B (en) * | 2017-07-27 | 2023-10-31 | 华北电力科学研究院有限责任公司 | Take end excitation's oscillation platform that waves |
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Application publication date: 20160504 |