CN104291246B - Supporting leg is adjustable, lift Dual-locking, struggle against mechanical and electric equipment installation mechanism of basket rotation electric substation - Google Patents
Supporting leg is adjustable, lift Dual-locking, struggle against mechanical and electric equipment installation mechanism of basket rotation electric substation Download PDFInfo
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- CN104291246B CN104291246B CN201410495840.XA CN201410495840A CN104291246B CN 104291246 B CN104291246 B CN 104291246B CN 201410495840 A CN201410495840 A CN 201410495840A CN 104291246 B CN104291246 B CN 104291246B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 42
- 238000009434 installation Methods 0.000 title claims abstract description 17
- 238000009954 braiding Methods 0.000 claims description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 230000008520 organization Effects 0.000 claims description 3
- 230000009466 transformation Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000006978 adaptation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 241001062009 Indigofera Species 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 210000005069 ears Anatomy 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
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Abstract
Supporting leg is adjustable, lift Dual-locking, struggle against mechanical and electric equipment installation mechanism of basket rotation electric substation to the invention discloses one, including can around mechanism base rotary column rotate column base pitch, telescopic joint, the bucket basket as operating platform and loading it is mounted with on the top of telescopic joint, it is provided with counterweight trolley in the bottom of column base pitch, and between counterweight trolley and telescopic joint, be provided with the anti-locking mechanism of anti-dumping rope topple, counterweight trolley can rotate with column base pitch and telescopic joint around the circular orbit of mechanism base, realizing the revolution of 360 degree, adaptation operation is wide, it is dexterous light to rotate；Telescopic joint has auto-lock function in column base pitch, guarantee that telescopic joint cannot fall naturally, the lifting mechanism of telescopic joint has locking and braking function, arbitrary height can be rested on, change conventional manpower and the operation form of power transformation system is installed, eliminate the potential safety hazard during installation exercise, not only increase economic benefit, also improve safety benefit.
Description
Technical field:
Supporting leg is adjustable, lift Dual-locking, struggle against mechanical and electric equipment installation mechanism of basket rotation electric substation to the present invention relates to one.
Background technology:
The power transformation system configuration of electric substation is tight to be promoted, and weight of equipment is big, specification unshapeliness, and detection and maintenance work normality are carried out；The electric pressure of electric substation is high, and safety clearance is little, and exposed power supply point is many.Causing for above-mentioned reasons in converting equipment maintenance, detection, renewal process, heavy duty work facility cannot use, and power failure range is big, and construction period is tight, and personnel's operation exists bigger potential safety hazard.It is therefore desirable to research and develop special operating apparatus, it is ensured that meet the interval equipment dismounting of power transformation, the safety guarantee of operating personnel and provide the effective and easy job platform arranged.
Summary of the invention:
For overcoming the defect of prior art, supporting leg is adjustable, lift Dual-locking, struggle against mechanical and electric equipment installation mechanism of basket rotation electric substation to it is an object of the invention to provide one, its simple in construction, lightweight, splitting combination simplicity, the many also convenient transports of function, operating efficiency is high.Disclosure satisfy that all devices dismounting in the certain altitude of power transformation interval, safety belt system hanging point and the High Altitude Platform of human users are provided, reduce power failure range, it is ensured that the requirement of safe spacing.
The present invention solves technical problem and adopts the following technical scheme that
Supporting leg is adjustable, lift Dual-locking, struggle against mechanical and electric equipment installation mechanism of basket rotation electric substation:
Set up an organization base, described base includes corner adjustable for height cross supporting leg and is located at the universal wheel bottom described supporting leg, being fixedly installed the circular orbit with base center as the center of circle on described supporting leg, base center is provided with fixes the longitudinal sleeve being connected with supporting leg；
Described cross supporting leg is telescopic leg, telescopic outrigger is locked by clamping screw, cross supporting leg corner location be provided with bolt hole, the height of landing leg mated with described bolt hole is set and adjusts bolt, the bottom of described adjustment bolt is ball, arranging the bearing base of supporting leg, described bearing base is provided with to accommodate and adjusts the ball recess that stud base's ball rotates, and described ball is limited in ball recess by the block that setting is threadeded with described bearing base.
Arranging and be plugged on the rotary column on described sleeve, be inserted in the taper roll bearing that the rotary column lower half fixed cover of sleeve inner is connected to mate with described sleeve diameter, the first half of described rotary column is square tube；
Square-tube type column base pitch in the square tube being plugged on described rotary column is set and is plugged on the supracoxal telescopic joint of described column, external wall of upper portion integral type at described telescopic joint is provided with limiting platform, the sidepiece of bucket basket is installed with laterally extending transverse arm, described bucket basket is articulated in the top of telescopic joint with the square casing on its transverse arm, and is prevented from by the limiting platform of telescopic joint is spacing；
Counterweight trolley is set, the sidepiece of described counterweight trolley is installed with laterally extending exhibition wall, counterweight trolley is articulated on described rotary column with the square casing on its exhibition wall, be provided with the roller coordinated with described circular orbit in the bottom of counterweight trolley, the wheel shaft of described roller is arranged on bottom counterweight trolley by bearing；
Anti-dumping rope it is also associated with between the upper end of described counterweight trolley and described telescopic joint；
The lifting mechanism of described telescopic joint is set, described lifting mechanism includes: with the capsizing moment spindle of two capstan winches, described capsizing moment spindle is located on the installation pedestal of counterweight trolley exhibition wall front end by bearing bracket stand, connect in the rear end of capsizing moment spindle and have handwheel, hoist braiding suspender belt one end connect firmly on the capsizing moment spindle between two capstan winches, the braiding suspender belt that the other end connects firmly in telescopic joint bottom is fixed on bar, and the fixed pulley that the Self-stabilised post base pitch outer wall top, middle part of braiding suspender belt is arranged is walked around；
The Dual-locking mechanism of described telescopic joint is set:
First lockable mechanism includes: be rigidly attached to the pawl base of capsizing moment spindle front end by key, and described pawl base is symmetrically connected with two ratchets by bearing pin, torsion spring；The installation pedestal of little car exhibition wall front end has been bolted ratchet brake mount, contact with described ratchet brake mount inner chamber seating plane with the rear end face of the ratchet of said two click-fit, front end face with described ratchet is set and forms the ratchet platen that face contacts, the centre bore of described ratchet platen is threadeded with brake handle and is locked by locking nut, and the excircle of ratchet platen is threadeded with described ratchet brake mount intracavity sidewall；
Second lockable mechanism includes: the side outer wall at described telescopic joint is the most equidistantly installed with the ratchet of protrusion, external wall of upper portion at described column base pitch is provided with spine bar mounting ear, and the spine bar coordinated with described ratchet is arranged on described spine bar mounting ear by bearing pin, torsion spring.
Limit, top four outer wall of described column base pitch is provided with deep groove ball bearing, and a part for each described deep groove ball bearing extends into the inner chamber of column base pitch, and the axle of each deep groove ball bearing is secured transverse to the outer wall of column base pitch；Limit, bottom four inwall of described telescopic joint is again provided with bearing, and a part for each described bearing extends the outside of telescopic joint, and the axle of each bearing is secured transverse to the inwall of telescopic joint.
Compared with the prior art, beneficial effects of the present invention is embodied in:
Electric substation's power transformation interval working space is limited, needs maintenance, the equipment weight of dismounting, for meeting the lifting of this kind of particular job place controller switching equipment, service requirements, the mechanism structure of the present invention is simple, lightweight, splits combination simplicity, the many also convenient transports of function, operating efficiency is high.Disclosure satisfy that all devices dismounting in the certain altitude of power transformation interval, safety belt system hanging point and the High Altitude Platform of human users are provided, reduce power failure range, it is ensured that the requirement of safe spacing.
Use mechanism of the present invention when carrying out converting equipment and installing, greatly reduce in-site installation cooperation personnel, not only improve work efficiency, reduce power off time simultaneously, reduce electric quantity loss, improve power supply reliability；Eliminate the potential safety hazard during installation exercise, not only increase economic benefit, also improve safety benefit.
Landing leg stretching length and supporting leg Height Adjustable, the construction requirement of complicated landform in meeting electric substation, elevating mechanism entirety can rotate with rotary column, largely expands operation interval.
The individual member that jacking mast is made up of the base pitch being set with and telescopic joint, socket connection blue with support and bucket, connect simplicity freely；The base pitch of suit and telescopic joint relative motion are light and handy, and bending resistance is strong.
Bucket indigo plant is personnel's job platform, is provided with removable soft fence and ground connection safety wire, safety belt system hanging point, and fence height is set to 950mm, more than the blue staff's stringcourse of bucket is the accessible scope of operation.
Drive mechanism and ratchet gear brake mechanism realize the functions such as mast jacking, ratchet lock, braking contracting bar (bringing onto load), install by changing the commutation of click, also can realize brake self-locking function.
Self-locking mechanism is independent mast locking device, and mast telescopic joint often stretches out 50mm, i.e. realizes a ratchet kayser, it is ensured that lifting and during personnel's operation, stretchable mast unsettled stable.
The anti-locking mechanism that inclines is made up of the anti-dumping rope being connected between counterweight trolley and telescopic joint upper end, and this is release mechanism, possesses regulation stretchable mast angle and tensioning mast function, it is possible to prevent mast from toppling.
Supporting shoulder pole is to aim at the design of 110kV disconnecting switch, it is ensured that in its disassembly process, magnetic pillar is not fractureed or injured by the effect of cross force.
Counterweight trolley is really a blue structure of material, is sleeved on center steering rotary column, is connected transferable part base pitch root bending moment with telescopic arm base pitch bolt.Counterweight uses 25kg bucket 8 to be only positioned in material basket, draws materials easily, and also deficiency of throwing aside is cherished.Accompanying drawing illustrates:
Fig. 1 is the general structure schematic diagram of the present invention；Fig. 2 is the assembling schematic diagram of mechanism base and rotary column；Fig. 2 A is the enlarged drawing of cross supporting leg corner location；Fig. 2 B is the top view of mechanism base；Fig. 3 A, 3B, 3C are respectively the left view of column base pitch, front view and right view；Fig. 3 D is the assembling schematic diagram of limit, column base pitch top four outer wall deep groove ball bearing；Fig. 4 A, 4B, 4C are respectively the left view of telescopic joint, front view and right view；Fig. 4 D is the F direction view of telescopic joint bottom in Fig. 4 B；Fig. 4 E is the assembling schematic diagram of limit, telescopic joint bottom four inwall bearing；Fig. 5 is the assembling schematic diagram of column base pitch and telescopic joint；Fig. 6 A, 6B are front view and the top view of bucket basket；Fig. 7 A, 7B be the front view of counterweight trolley and top view, Fig. 7 C be the E direction view on counterweight trolley exhibition arm top in Fig. 7 A；Fig. 8 is the schematic diagram of telescopic joint lockable mechanism；Fig. 8 A is the assembling schematic diagram of brake handle, locking nut, ratchet platen；Fig. 8 B is the top view of ratchet platen；Fig. 9 is the assembling schematic diagram of ratchet platen, ratchet, ratchet brake mount；Fig. 9 A, 9B are front view and the top view of ratchet；Figure 10 is the assembling schematic diagram of ratchet, pawl base, ratchet；Figure 11 is the assembling schematic diagram of pawl base, capsizing moment spindle, handwheel；Figure 12 is the assembling schematic diagram of capsizing moment spindle, pawl base, ratchet.
Label in figure: 1 mechanism base, 101 supporting legs, 102 universal wheels, 103 circular orbits, 104 longitudinal sleeve, 105 rotary columns, 106 taper roll bearings, 107 adjust bolt, 108 bearing bases, 109 blocks, 2 column base pitch, 201 deep groove ball bearings, 202 spine bar mounting ears, 203 spine bars, 3 telescopic joints, 301 limiting platforms, 302 suspender belts fix bar, 303 bearings, 304 ratchets, 4 bucket baskets, 401 transverse arms, 5 counterweight trolleys, 501 exhibition arms, 502 rollers, 503 anti-dumping ropes, 504 install pedestal, 601 capsizing moment spindles, 602 suspender belts, 603 handwheels, 701 pawl bases, 702 ratchets, 703 ratchet brake mounts, 704 ratchets, 705 ratchet platens, 706 brake handles, 707 locking nuts.
Below by way of detailed description of the invention, and the invention will be further described to combine accompanying drawing.
Detailed description of the invention:
Embodiment: see accompanying drawing, the supporting leg of the present embodiment is adjustable, lift Dual-locking, struggle against mechanical and electric equipment installation mechanism of basket rotation electric substation, its following structural features:
Set up an organization base 1, base includes corner adjustable for height cross supporting leg 101 and is located at the universal wheel 102 bottom supporting leg, being fixedly installed the circular orbit 103 with base center as the center of circle on supporting leg, base center is provided with fixes the longitudinal sleeve 104 being connected with supporting leg.
In specifically arranging, cross supporting leg 101 is telescopic leg, Retractive leg is inserted in Convenient table, Retractive leg is locked by clamping screw, corner location at cross supporting leg (Retractive leg) is provided with bolt hole, the height of landing leg mated with bolt hole is set and adjusts bolt 107, the bottom adjusting bolt is ball, the bearing base 108 of supporting leg is set, bearing base is provided with accommodate and adjusts the ball recess that stud base's ball rotates, and ball is limited in ball recess by the block 109 that setting is threadeded with bearing base 108.
For realizing the rotation of mechanism, arranging the rotary column 105 that is plugged on sleeve 104, be inserted in the taper roll bearing 106 that the rotary column lower half fixed cover of sleeve inner is connected to mate with sleeve diameter, the first half of rotary column is square tube；Square-tube type column base pitch 2 in the square tube being plugged on rotary column and the telescopic joint 3 being plugged on column base pitch 2 are set, external wall of upper portion integral type at telescopic joint 3 is provided with limiting platform 301, the sidepiece of bucket basket 4 is installed with laterally extending transverse arm 401, this bucket basket is articulated in the top of telescopic joint with the square casing on its transverse arm, and is prevented from by the limiting platform of telescopic joint is spacing.
Counterweight trolley 5 is set, the sidepiece of counterweight trolley is installed with laterally extending exhibition arm 501, counterweight trolley is articulated on rotary column 105 with the square casing on its exhibition arm, is provided with the roller 502 coordinated with circular orbit 103 in the bottom of counterweight trolley, and the wheel shaft of roller is arranged on bottom counterweight trolley by bearing.Between counterweight trolley and the upper end of telescopic joint, it is also associated with anti-dumping rope 503, prevents whole mechanism from toppling, improve safety coefficient.In specifically arranging, being provided with bolt slot 505 at the top of counterweight trolley exhibition arm 501, the lower sides of column base pitch 2 is provided with the bolt corresponding with little car exhibition arm bolt groove location of protrusion, by this bolt further fixed weight dolly.
The lifting mechanism of telescopic joint 3 is set, this lifting mechanism includes: with the capsizing moment spindle 601 of two capstan winches, capsizing moment spindle is located on the installation pedestal 504 of counterweight trolley exhibition arm 501 front end by bearing bracket stand, connect in the rear end of capsizing moment spindle and have handwheel 603, hoist braiding suspender belt 602 one end connect firmly between two capstan winches capsizing moment spindle 601 on, the other end connects firmly the braiding suspender belt in telescopic joint 3 bottom and fixes on bar 302, and the fixed pulley that the Self-stabilised post base pitch 2 outer wall top, middle part of braiding suspender belt 602 is arranged is walked around.
Arranging the Dual-locking mechanism of telescopic joint 3, the first lockable mechanism includes: be rigidly attached to the pawl base 701 of capsizing moment spindle 601 front end by key, and pawl base is symmetrically connected with two ratchets 702 by bearing pin, torsion spring；The installation pedestal of little car exhibition arm front end has been bolted ratchet brake mount 703, the rear end face of the ratchet 704 coordinated with two ratchets 702 contacts with ratchet brake mount 703 inner chamber seating plane, front end face with ratchet is set and forms the ratchet platen 705 that face contacts, the centre bore of ratchet platen is threadeded with brake handle 706 and is passed through locking nut 707 and locks, and the excircle of ratchet platen is threadeded with ratchet brake mount intracavity sidewall.
Second lockable mechanism includes: the side outer wall at telescopic joint 3 is the most equidistantly installed with the ratchet 304 of protrusion, external wall of upper portion at column base pitch 2 is provided with spine bar mounting ear 202, the spine bar 203 coordinated with ratchet is arranged on spine bar mounting ear 202 by bearing pin, torsion spring, and the square hole at a part of Self-stabilised post base pitch spine bar mounting ear of spine bar 203 coordinates with ratchet 304 formation of telescopic joint outer wall in stretching into column base pitch.Telescopic joint often stretches out 50mm, i.e. realizes a ratchet kayser, it is ensured that lifting and during personnel's operation, telescopic joint unsettled stable.
Limit, top four outer wall of column base pitch 2 is provided with deep groove ball bearing 201, and a part for each deep groove ball bearing extends into the inner chamber of column base pitch, and the axle of each deep groove ball bearing is secured transverse to the outer wall of column base pitch；Limit, bottom four inwall of telescopic joint 3 is again provided with bearing 303, and a part for each bearing 303 extends the outside of telescopic joint, and the axle of each bearing is secured transverse to the inwall of telescopic joint.
nullIn concrete application，When needs hoist bucket basket time 4 time，Rotate forward handwheel 603，Handwheel drives capsizing moment spindle 601 to rotate and be wound around suspender belt 602，Suspender belt drives telescopic joint 3 to rise in column base pitch 2，Owing to the friction between column base pitch 2 and telescopic joint 3 is rolling friction (deep groove ball bearing 201 and the effect of bearing 303)，It is not required to much so playing lift，After telescopic joint 3 rises to specified altitude assignment，Stop operating handwheel 603，Due to ratchet、The effect of ratchet，Telescopic joint can rest on arbitrary height，Now，It is integrated by locking nut 707 locking between ratchet platen 705 and brake handle 706，And ratchet platen 705 being screwed in ratchet brake mount 703 by its excircle，Ratchet platen 705 is locked the inner chamber of ratchet brake mount 703 by ratchet from two end faces of ratchet 704 with ratchet brake mount 703，Ratchet 704 controls pawl base 701 can only one-directional rotation，Owing to pawl base 701 is rigidly attached on capsizing moment spindle 601，Therefore handwheel 603 can only rotate forward，Guarantee that telescopic joint 3 can rest on arbitrary height when rising.Further, since the spine bar 203 on column base pitch top blocks the ratchet 304 of telescopic joint outer wall, it is ensured that telescopic joint can only unidirectional rise, it is not possible to fall, the safety of operating personnel is served the effect of double shield.When bucket is dropped by needs in the key, first spacing to ratchet 304 of spine bar 203 is released, then rolling brake handle 706 it is slightly reverse, now ratchet platen 705 the most slightly exits a bit in ratchet brake mount 703, the pressure of ratchet 704 is reduced by ratchet platen 705, therefore ratchet 704 can dally in ratchet brake mount 703, effect due to gravity, bucket basket 4 declines with telescopic joint 3, capsizing moment spindle 601 is driven to invert, capsizing moment spindle drives pawl base and ratchet, ratchet drives ratchet idle running, when telescopic joint is stopped by needs, only need to rotate forward brake handle 706, by locked for ratchet in ratchet brake mount.
Claims (2)
1. supporting leg is adjustable, lift Dual-locking, struggle against mechanical and electric equipment installation mechanism of basket rotation electric substation, it is characterised in that:
Set up an organization base (1), and described base includes corner adjustable for height cross supporting leg (101) and is located at described
Universal wheel (102) bottom leg, is fixedly installed the circular orbit (103) with base center as the center of circle on described supporting leg,
Base center is provided with fixes the longitudinal sleeve (104) being connected with supporting leg；
Described cross supporting leg (101) is telescopic leg, and telescopic outrigger is locked by clamping screw, at cross supporting leg
Corner location is provided with bolt hole, arranges the height of landing leg mated with described bolt hole and adjusts bolt (107), described adjustment bolt
Bottom be ball, the bearing base (108) of supporting leg is set, described bearing base be provided with receiving adjust stud base's ball rotate
Ball recess, and the block (109) threadeded with described bearing base (108) is set described ball is limited to spherical
In groove；
Setting is plugged on the rotary column (105) on described sleeve (104), and the rotary column lower half being inserted in sleeve inner is fixedly sleeved
Having the taper roll bearing (106) mated with described sleeve diameter, the first half of described rotary column is square tube；
Square-tube type column base pitch (2) in the square tube being plugged on described rotary column is set and is plugged on described column base pitch (2)
On telescopic joint (3), the external wall of upper portion integral type at described telescopic joint (3) is provided with limiting platform (301), bucket basket (4)
Sidepiece be installed with laterally extending transverse arm (401), described bucket basket is articulated in the upper of telescopic joint with the square casing on its transverse arm
Portion, and prevented from by the limiting platform of telescopic joint is spacing；
Arranging counterweight trolley (5), the sidepiece of described counterweight trolley is installed with laterally extending exhibition wall (501), counterweight trolley with
Square casing on its exhibition wall is articulated on described rotary column (105), is provided with and described circular orbit in the bottom of counterweight trolley
(103) roller (502) coordinated, the wheel shaft of described roller is arranged on bottom counterweight trolley by bearing；
Anti-dumping rope (503) it is also associated with between the upper end of described counterweight trolley and described telescopic joint；
Arranging the lifting mechanism of described telescopic joint (3), described lifting mechanism includes: with the capsizing moment spindle (601) of two capstan winches,
Described capsizing moment spindle is located on the installation pedestal (504) of counterweight trolley exhibition wall (501) front end by bearing bracket stand, at capsizing moment spindle
Rear end connects handwheel (603), the capsizing moment spindle (601) that the one end of braiding suspender belt (602) that hoists connects firmly between two capstan winches
On, the other end connects firmly the braiding suspender belt in telescopic joint (3) bottom and fixes on bar (302), the middle part of braiding suspender belt (602)
Walk around on the fixed pulley that Self-stabilised post base pitch (2) outer wall top is arranged；
The Dual-locking mechanism of described telescopic joint (3) is set:
First lockable mechanism includes: be rigidly attached to the pawl base (701) of capsizing moment spindle (601) front end, described ratchet by key
It is symmetrically connected with two ratchets (702) by bearing pin, torsion spring on Zuo；The installation pedestal of little car exhibition wall front end passes through bolt
Connect and have ratchet brake mount (703), the rear end face of the ratchet (704) coordinated with said two ratchet (702) and described spine
Wheel brake seat (703) inner chamber seating plane contacts, and arranges the front end face with described ratchet and forms the ratchet platen (705) that face contacts,
The centre bore of described ratchet platen is threadeded with brake handle (706) and is locked by locking nut (707), ratchet pressure
The excircle of dish is threadeded with described ratchet brake mount intracavity sidewall；
Second lockable mechanism includes: the side outer wall at described telescopic joint (3) is the most equidistantly installed with the ratchet of protrusion
(304), the external wall of upper portion described column base pitch (2) is provided with spine bar mounting ear (202), the spine bar coordinated with described ratchet
(203) it is arranged on described spine bar mounting ear by bearing pin, torsion spring.
Supporting leg the most according to claim 1 is adjustable, lift Dual-locking, struggle against basket rotation electric substation electromechanical equipment peace
Mounting mechanism, it is characterised in that: limit, top four outer wall of described column base pitch (2) is provided with deep groove ball bearing (201), each described
A part for deep groove ball bearing extends into the inner chamber of column base pitch, and the axle of each deep groove ball bearing is secured transverse to column base pitch
Outer wall；Limit, bottom four inwall of described telescopic joint (3) is again provided with bearing (303), the one of each described bearing (303)
Part extends the outside of telescopic joint, and the axle of each bearing is secured transverse to the inwall of telescopic joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410495840.XA CN104291246B (en) | 2014-09-24 | 2014-09-24 | Supporting leg is adjustable, lift Dual-locking, struggle against mechanical and electric equipment installation mechanism of basket rotation electric substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410495840.XA CN104291246B (en) | 2014-09-24 | 2014-09-24 | Supporting leg is adjustable, lift Dual-locking, struggle against mechanical and electric equipment installation mechanism of basket rotation electric substation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104291246A CN104291246A (en) | 2015-01-21 |
| CN104291246B true CN104291246B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410495840.XA Active CN104291246B (en) | 2014-09-24 | 2014-09-24 | Supporting leg is adjustable, lift Dual-locking, struggle against mechanical and electric equipment installation mechanism of basket rotation electric substation |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109568827A (en) * | 2018-12-13 | 2019-04-05 | 中国二十二冶集团有限公司 | High altitude operation movable safety band fixes device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4387813A (en) * | 1979-07-17 | 1983-06-14 | The Manitowoc Company, Inc. | Movable ring supported lift crane |
| CN2454346Y (en) * | 2000-11-29 | 2001-10-17 | 孙在鲁 | Lower-revolving self-loading type light crane |
| CN2530936Y (en) * | 2002-03-24 | 2003-01-15 | 无锡市小天鹅建筑机械厂 | Hand high-altitude working platform |
| CN100400409C (en) * | 2005-11-15 | 2008-07-09 | 万维柔 | Hydraulic automatic balanced crane installment |
| CN103145052A (en) * | 2013-03-14 | 2013-06-12 | 辽宁抚挖重工机械股份有限公司 | Movable circular track type crane |
| CN204057890U (en) * | 2014-09-24 | 2014-12-31 | 国家电网公司 | Supporting leg is adjustable, be elevated Dual-locking, struggle against mechanical and electric equipment installation mechanism of basket rotation substation |
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