CN104291223A - Adjustable support leg hook type lifting double-locking mounting mechanism for electromechanical equipment in substation - Google Patents

Adjustable support leg hook type lifting double-locking mounting mechanism for electromechanical equipment in substation Download PDF

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Publication number
CN104291223A
CN104291223A CN201410493687.7A CN201410493687A CN104291223A CN 104291223 A CN104291223 A CN 104291223A CN 201410493687 A CN201410493687 A CN 201410493687A CN 104291223 A CN104291223 A CN 104291223A
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CN
China
Prior art keywords
base
slip joint
ratchet
bearing
column
Prior art date
Application number
CN201410493687.7A
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Chinese (zh)
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CN104291223B (en
Inventor
钟成元
嵇义军
曹闻骊
王振华
黄显耀
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国家电网公司
国网安徽省电力公司安庆供电公司
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Priority to CN201410493687.7A priority Critical patent/CN104291223B/en
Publication of CN104291223A publication Critical patent/CN104291223A/en
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Publication of CN104291223B publication Critical patent/CN104291223B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/16Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/04Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details
    • B66C23/72Counterweights or supports for balancing lifting couples
    • B66C23/78Supports, e.g. outriggers, for mobile cranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/88Safety gear

Abstract

The invention discloses an adjustable support leg hook type lifting double-locking mounting mechanism for electromechanical equipment in a substation. The mounting mechanism comprises a base joint which is arranged on a stud of a base of the mechanism, and a telescopic joint, wherein a fixed arm is hung and connected at the upper part of the telescopic joint, a telescopic arm which is used for locking is arranged in the fixed arm, and a hook for lifting the equipment is arranged at the front end of the telescopic arm through a pulley block and a sling; a counterweight trolley is arranged at the lower part of the base joint of the stud, an anti-overturning rope is arranged between the counterweight trolley and the telescopic joint for preventing the mechanism from overturning, and the telescopic joint has a self-locking function in the base joint of the stud so as to ensure that the telescopic joint cannot fall down naturally; and a lifting mechanism of the telescopic joint has the functions of locking and braking, can stay at any height, changes the operation form of manually mounting the equipment in a power transmission region in the past and eliminates the potential safety problems in the mounting operation process, thereby not only improving economic benefits, but also promoting safety benefits.

Description

Mechanical and electric equipment installation mechanism of supporting leg adjustable hook type lifting Dual-locking substation

Technical field:

The present invention relates to mechanical and electric equipment installation mechanism of a kind of supporting leg adjustable hook type lifting Dual-locking substation.

Background technology:

The power transformation system configuration of substation is tight short, and weight of equipment is large, specification unshapeliness, and inspection and repair work normality is carried out; The voltage class of substation is high, and safety gap is little, and exposed power supply point is many.Cause for above-mentioned reasons in transformer maintenance, detection, renewal process, heavy duty work facility cannot use, and power failure range is large, and construction period is tight, and personnel's operation exists larger potential safety hazard.Therefore be necessary to research and develop special operating apparatus, guarantee the job platform meeting the equipment dismounting in power transformation interval, the safety control of operating personnel and effective and easy setting is provided.

Summary of the invention:

For overcoming the defect of prior art, the object of the present invention is to provide mechanical and electric equipment installation mechanism of a kind of supporting leg adjustable hook type lifting Dual-locking substation, its structure is simple, lightweight, splits combination easy, and the many also convenient transports of function, work efficiency is high.The all devices disassembling operations in the interval certain altitude of power transformation can be met, reduce power failure range, ensure the requirement of safe spacing.

Technical solution problem of the present invention adopts following technical scheme:

Mechanical and electric equipment installation mechanism of supporting leg adjustable hook type lifting Dual-locking substation:

Set up an organization base, the cardan wheel that described base comprises corner adjustable for height criss-cross supporting leg and is located at bottom described supporting leg, and base center is provided with the longitudinal sleeve be fixedly connected with supporting leg;

Described criss-cross supporting leg is telescopic leg, telescopic outrigger is locked by lock bolt, bolt hole is provided with at the corner location of criss-cross supporting leg, the height of landing leg mated with described bolt hole is set and adjusts bolt, the bottom of described adjustment bolt is ball, arrange the bearing base of supporting leg, described bearing base is provided with the ball recess holding adjustment stud base ball and rotate, and described ball is limited in ball recess by the block that setting is threaded with described bearing base;

Arrange the column be plugged on described sleeve, the first half of described column is square tube;

The square-tube type column base pitch that is plugged in the square tube of described column is set and is plugged on the supracoxal slip joint of described column, limiting platform is provided with in the external wall of upper portion integral type of described slip joint, the rear portion of the fixed arm of telescoping boom is square cannula-like, described fixed arm is articulated in the top of slip joint with the square casing at its rear portion, and prevent from by the limiting platform of slip joint is spacing, telescopic boom is provided with in described fixed arm, the two side of described telescopic boom is provided with position-limited trough in the axial direction, bolt hole is provided with in the corresponding two side of fixed arm, the telescopic boom lock bolt be arranged in described bolt hole is locked slip joint by described position-limited trough, arrange the hoisting system of described suspension hook, comprising: be located at the running block on suspension hook, be located at the fixed pulley group of telescopic boom front end, the leading sheave being located at fixed arm afterbody and lifting rope, described lifting rope is driven by motor or manpower drives drive hook lifting,

Arrange counterweight trolley, the sidepiece of described counterweight trolley is installed with the exhibition wall of horizontal expansion, and counterweight trolley is articulated on described column with the square casing on its exhibition wall, is fixedly connected with is supported by mechanism base bottom counterweight trolley with mechanism base;

Anti-dumping rope is also connected with between described counterweight trolley and the upper end of described slip joint;

The lifting mechanism of described slip joint is set, described lifting mechanism comprises: with the capsizing moment spindle of two capstan winches, described capsizing moment spindle is located on the mounting base of counterweight trolley exhibition wall front end by bearing frame, handwheel is connected with in the rear end of capsizing moment spindle, hoist braiding suspender belt one end connect firmly on the capsizing moment spindle between two capstan winches, the other end connects firmly on the braiding suspender belt fixed link of slip joint bottom, and the fixed pulley of Self-stabilised post base pitch outer wall top, the middle part setting of braiding suspender belt is walked around;

The Dual-locking mechanism of described slip joint is set:

First lockable mechanism comprises: the pawl base being rigidly attached to capsizing moment spindle front end by key, and described pawl base is symmetrically connected with two ratchets by bearing pin, torsion spring; The mounting base 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 aft end face of the ratchet of described two click-fit, the ratchet platen contacted with the front end face forming surface of described ratchet is set, the centre hole of described ratchet platen is threaded with brake-applying handle and is locked by jam nut, and the excircle of ratchet platen is threaded with described ratchet brake mount intracavity sidewall;

Second lockable mechanism comprises: the ratchet (303) being equidistantly installed with protrusion at the side outer wall of described slip joint from top to bottom, be provided with sour jujube bar mounting ear in the external wall of upper portion of described column base pitch, the sour jujube bar coordinated with described ratchet is arranged on described sour jujube 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 laterally fixed on the outer wall of column base pitch; Limit, bottom four inwall of described slip joint is provided with bearing equally, and a part for each described bearing extends the outside of slip joint, and the axle of each bearing is laterally fixed on the inwall of slip joint.

Compared with the prior art, beneficial effect of the present invention is embodied in:

The interval working space of substation's power transformation is limited, needs the equipment weight of maintenance, dismounting, for meeting lifting, the service requirements of this kind of particular job place controller switching equipment, mechanism structure of the present invention is simple, lightweight, splits combination easy, the many also convenient transports of function, work efficiency is high.The all devices dismounting in the interval certain altitude of power transformation can be met, reduce power failure range, ensure the requirement of safe spacing.

Use mechanism of the present invention when carrying out transformer 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 in installation exercise process, not only increase economic benefit, also improve safety benefit.

Landing leg stretching length and supporting leg Height Adjustable, meets the construction requirement of complex-terrain in substation.

The individual member that jacking mast is made up of the base pitch be set with and slip joint, with support and telescoping boom socket connection, connects freely easy; Lightly, resistance to bending is strong for the base pitch of suit and slip joint relative motion.

Suspension hook arranges running block, there is labour-saving function, the lifting rope of suspension hook of hoisting is driven by motor or manpower drives, suspension hook Liftable transformer, in the interval narrow and small working space of power transformation, ensure safe spacing, large lifting equipment cannot enter, it is easy that mechanism of the present invention splits combination, and Lifting Capacity is strong, can meet construction requirement.

Driver train and ratchet gear brake mechanism realize the functions such as mast jacking, ratchet lock, braking contracting bar (bringing onto load), installed, also can realize brake self-locking function by the commutation changing click.

Self-locking mechanism is independent mast blocking device, and mast slip joint often stretches out 50mm, namely realizes a ratchet kayser, and when guaranteeing lifting and personnel's operation, the unsettled of stretchable mast is stablized.

The anti-lockout mechanism that inclines is made up of the anti-dumping rope be connected between counterweight trolley and slip joint upper end, and this is safety gear, possesses and regulates stretchable mast angle and tensioning mast function, can prevent mast from toppling.

Lifting mechanism is made up of driver train, rope, leading sheave and assembly pulley, and driver train realizes manpower and electric power double drive, the friction drum compact conformation of configuration, small and exquisite.

Supporting shoulder pole is aim at the design of 110kV disconnector, guarantees that magnetic pillar in its disassembly process does not fracture by the effect of transverse force or injured.

Counterweight trolley is actual is a blue structure of material, is sleeved on center steering column, is connected transferable part base pitch root bending moment with telescopic boom base pitch bolt.Counterweight adopts 25kg bucket 8 to be only positioned in material basket, and draw materials easily, also deficiency of throwing aside is cherished.

Accompanying drawing illustrates:

Fig. 1 is overall structure schematic diagram of the present invention; Fig. 2 is the assembling schematic diagram of mechanism base and column; Fig. 2 A is the enlarged drawing of criss-cross supporting leg corner location; Fig. 2 B is the birds-eye view of mechanism base; Fig. 3 A, 3B, 3C are respectively the left view of column base pitch, front view and right elevation; 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 slip joint, front view and right elevation; Fig. 4 D is the F direction view of slip joint bottom in Fig. 4 B; Fig. 4 E is the assembling schematic diagram of limit, slip joint bottom four inwall bearing; Fig. 5 is the assembling schematic diagram of column base pitch and slip joint; Fig. 6 A, 6B are the structural representation of telescopic boom and fixed arm; Fig. 6 C is the assembling enlarged diagram of telescopic boom and fixed arm and telescopic boom lock bolt; The E direction view that Fig. 7 A, 7B are the front view of counterweight trolley and birds-eye view, Fig. 7 C is counterweight trolley exhibition arm top in Fig. 7 A; Fig. 8 is the schematic diagram of slip joint lockable mechanism; Fig. 8 A is the assembling schematic diagram of brake-applying handle, jam nut, ratchet platen; Fig. 8 B is the birds-eye 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 birds-eye 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.

Number in the figure: 1 mechanism base, 101 supporting legs, 102 cardan wheels, 104 longitudinal sleeves, 105 columns, 107 adjustment bolts, 108 bearing bases, 109 blocks, 2 column base pitch, 201 deep groove ball bearings, 202 sour jujube bar mounting ears, 203 sour jujube bars, 3 slip joints, 301 limiting platforms, 302 suspender belt fixed links, 303 bearings, 304 ratchets, 5 counterweight trolleys, 501 exhibition arms, 503 anti-dumping ropes, 504 mounting bases, 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-applying handles, 707 jam nuts, 801 fixed arms, 802 telescopic booms, 803 position-limited troughs, 804 telescopic boom lock bolts, 901 suspension hooks, 902 running blocks, 903 fixed pulley groups, 904 leading sheaves, 905 lifting ropes.

Below by way of detailed description of the invention, and the invention will be further described by reference to the accompanying drawings.

Detailed description of the invention:

Embodiment: see accompanying drawing, the mechanical and electric equipment installation mechanism of supporting leg adjustable hook type lifting Dual-locking substation of the present embodiment, its following structural features:

Set up an organization base 1, the cardan wheel 102 that base comprises the adjustable for height criss-cross supporting leg 101 in corner and is located at bottom supporting leg, and base center is provided with the longitudinal sleeve 104 be fixedly connected with supporting leg.

In specifically arranging, criss-cross supporting leg 101 is telescopic leg, Retractive leg is inserted in Convenient table, Retractive leg is locked by lock bolt, bolt hole is provided with at the corner location of criss-cross supporting leg (Retractive leg), the height of landing leg mated with bolt hole is set and adjusts bolt 107, the bottom of adjustment bolt is ball, the bearing base 108 of supporting leg is set, bearing base is provided with the ball recess holding adjustment stud base ball and rotate, and ball is limited in ball recess by the block 109 that setting is threaded with bearing base 108.

For realizing the rotation of mechanism, arrange the column 105 be plugged on sleeve 104, the first half of column is square tube, the square-tube type column base pitch 2 be plugged in the square tube of column and the slip joint 3 be plugged on column base pitch 2 are set, limiting platform 301 is provided with in the external wall of upper portion integral type of slip joint 3, the rear portion of the fixed arm 801 of telescoping boom is square cannula-like, fixed arm 801 is articulated in the top of slip joint with the square casing at its rear portion, and prevent from by the limiting platform of slip joint is spacing, telescopic boom 802 is provided with in fixed arm, the two side of telescopic boom is provided with position-limited trough 803 in the axial direction, bolt hole is provided with in the corresponding two side of fixed arm, the telescopic boom lock bolt 804 be arranged in bolt hole is locked slip joint by described position-limited trough, the hoisting system of suspension hook is set, comprise: be located at the running block 902 on suspension hook 901, be located at the fixed pulley group 903 of telescopic boom front end, be located at the leading sheave 904 of fixed arm afterbody and lifting rope 905, lifting rope 905 is driven by motor or manpower drives drive hook lifting.

Arrange counterweight trolley 5, the sidepiece of counterweight trolley is installed with the exhibition arm 501 of horizontal expansion, and counterweight trolley is articulated on column 105 with the square casing on its exhibition arm, is fixedly connected with is supported by mechanism base bottom counterweight trolley with mechanism base.Between counterweight trolley and the upper end of slip joint, be also connected with anti-dumping rope 503, prevent whole mechanism from toppling, improve safety factor.In specifically arranging, be provided with bolt slot 505 at the top of counterweight trolley exhibition arm 501, what the lower sides of column base pitch 2 was provided with protrusion puts corresponding bolt with little car exhibition arm bolt slot, by the further fixed weight dolly of this bolt.

The lifting mechanism of slip joint 3 is set, this lifting mechanism comprises: with the capsizing moment spindle 601 of two capstan winches, capsizing moment spindle is located on the mounting base 504 of counterweight trolley exhibition arm 501 front end by bearing frame, handwheel 603 is connected with in the rear end of capsizing moment spindle, hoist braiding suspender belt 602 one end connect firmly on the capsizing moment spindle 601 between two capstan winches, the other end connects firmly on the braiding suspender belt fixed link 302 of slip joint 3 bottom, and the fixed pulley of Self-stabilised post base pitch 2 outer wall top, the middle part setting of braiding suspender belt 602 is walked around.

Arrange the Dual-locking mechanism of slip joint 3, the first lockable mechanism comprises: the pawl base 701 being rigidly attached to capsizing moment spindle 601 front end by key, and pawl base is symmetrically connected with two ratchets 702 by bearing pin, torsion spring; The mounting base of little car exhibition arm front end has been bolted ratchet brake mount 703, the aft end face of the ratchet 704 coordinated with two ratchets 702 contacts with ratchet brake mount 703 inner chamber seating plane, the ratchet platen 705 contacted with the front end face forming surface of ratchet is set, the centre hole of ratchet platen is threaded with brake-applying handle 706 and is locked by jam nut 707, and the excircle of ratchet platen is threaded with ratchet brake mount intracavity sidewall.

Second lockable mechanism comprises: the ratchet 304 being equidistantly installed with protrusion at the side outer wall of slip joint 3 from top to bottom, sour jujube bar mounting ear 202 is provided with in the external wall of upper portion of column base pitch 2, the sour jujube bar 203 coordinated with ratchet is arranged on sour jujube bar mounting ear 202 by bearing pin, torsion spring, and the square hole at a part of Self-stabilised post base pitch sour jujube bar mounting ear place of sour jujube bar 203 stretches in column base pitch to be formed with the ratchet 304 of slip joint outer wall and coordinates.Slip joint often stretches out 50mm, namely realizes a ratchet kayser, and when guaranteeing lifting and personnel's operation, the unsettled of slip joint is stablized.

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 laterally fixed on the outer wall of column base pitch; Limit, bottom four inwall of slip joint 3 is provided with bearing 303 equally, and a part for each bearing 303 extends the outside of slip joint, and the axle of each bearing is laterally fixed on the inwall of slip joint.

In embody rule, when needs hoist bucket basket time 4 time, rotate forward handwheel 603, handwheel drives capsizing moment spindle 601 rotate and be wound around suspender belt 602, suspender belt drives slip joint 3 to rise in column base pitch 2, because the friction between column base pitch 2 and slip joint 3 is friction of rolling (effect of deep groove ball bearing 201 and bearing 303), do not need much so play lift, after slip joint 3 rises to specified altitude assignment, stop operating handwheel 603, due to ratchet, the effect of ratchet, slip joint can rest on arbitrary height, now, locked by jam nut 707 between ratchet platen 705 and brake-applying handle 706 and be integrated, and ratchet platen 705 is screwed in ratchet brake mount 703 by its excircle, ratchet platen 705 and ratchet brake mount 703 from two end faces of ratchet 704 by locked for ratchet the inner chamber of ratchet brake mount 703, ratchet 704 controls pawl base 701 can only unidirectional rotation, because pawl base 701 is rigidly attached on capsizing moment spindle 601, therefore handwheel 603 can only rotate forward, guarantee that slip joint 3 can rest on arbitrary height when rising.In addition, the sour jujube bar 203 due to column base pitch top blocks the ratchet 304 of slip joint outer wall, guarantees that slip joint can only unidirectionally rise, cannot fall, the safety of operating personnel is served to the effect of double shield.When bucket falls by needs in the key, first the spacing of sour jujube bar 203 pairs of ratchets 304 is removed, then brake-applying handle 706 is rotated backward a little, now ratchet platen 705 also exits a bit slightly in ratchet brake mount 703, the pressure of ratchet platen 705 pairs of ratchets 704 reduces, therefore ratchet 704 can dally in ratchet brake mount 703, due to the effect of gravity, bucket basket 4 declines with slip joint 3, capsizing moment spindle 601 is driven to reverse, capsizing moment spindle drives pawl base and ratchet, ratchet drives ratchet idle running, when slip joint stops by needs, only need rotate forward brake-applying handle 706, by locked for ratchet in ratchet brake mount.

Claims (2)

1. mechanical and electric equipment installation mechanism of supporting leg adjustable hook type lifting Dual-locking substation, is characterized in that:
Set up an organization base (1), described base comprises corner adjustable for height criss-cross supporting leg (101) and is located at the cardan wheel (102) bottom described supporting leg, and base center is provided with the longitudinal sleeve (104) be fixedly connected with supporting leg;
Described criss-cross supporting leg (101) is telescopic leg, telescopic outrigger is locked by lock bolt, bolt hole is provided with at the corner location of criss-cross supporting leg, the height of landing leg mated with described bolt hole is set and adjusts bolt (107), the bottom of described adjustment bolt is ball, the bearing base (108) of supporting leg is set, described bearing base is provided with the ball recess holding adjustment stud base ball and rotate, and described ball is limited in ball recess by the block (109) that setting is threaded with described bearing base (108);
Setting is plugged on the column (105) on described sleeve (104), and the first half of described column is square tube;
The square-tube type column base pitch (2) be plugged in the square tube of described column and the slip joint (3) be plugged on described column base pitch (2) are set, limiting platform (301) is provided with in the external wall of upper portion integral type of described slip joint (3), the rear portion of the fixed arm (801) of telescoping boom is square cannula-like, described fixed arm (801) is articulated in the top of slip joint with the square casing at its rear portion, and prevent from by the limiting platform of slip joint is spacing, telescopic boom (802) is provided with in described fixed arm, the two side of described telescopic boom is provided with position-limited trough (803) in the axial direction, bolt hole is provided with in the corresponding two side of fixed arm, the telescopic boom lock bolt (804) be arranged in described bolt hole is locked slip joint by described position-limited trough, the hoisting system of described suspension hook is set, comprise: be located at the running block (902) on suspension hook (901), be located at the fixed pulley group (903) of telescopic boom front end, be located at the leading sheave (904) of fixed arm afterbody and lifting rope (905), described lifting rope (905) is driven by motor or manpower drives drive hook lifting,
Counterweight trolley (5) is set, the sidepiece of described counterweight trolley is installed with the exhibition wall (501) of horizontal expansion, counterweight trolley is articulated on described column (105) with the square casing on its exhibition wall, is fixedly connected with is supported by mechanism base bottom counterweight trolley with mechanism base;
Anti-dumping rope (503) is also connected with between described counterweight trolley and the upper end of described slip joint;
The lifting mechanism of described slip joint (3) is set, described lifting mechanism comprises: with the capsizing moment spindle (601) of two capstan winches, described capsizing moment spindle is located on the mounting base (504) of counterweight trolley exhibition wall (501) front end by bearing frame, handwheel (603) is connected with in the rear end of capsizing moment spindle, hoist braiding suspender belt (602) one end connect firmly on the capsizing moment spindle (601) between two capstan winches, the other end connects firmly on the braiding suspender belt fixed link (302) of slip joint (3) bottom, the fixed pulley of Self-stabilised post base pitch (2) outer wall top, the middle part setting of braiding suspender belt (602) is walked around,
The Dual-locking mechanism of described slip joint (3) is set:
First lockable mechanism comprises: the pawl base (701) being rigidly attached to capsizing moment spindle (601) front end by key, and described pawl base is symmetrically connected with two ratchets (702) by bearing pin, torsion spring; The mounting base of little car exhibition wall front end has been bolted ratchet brake mount (703), the aft end face of the ratchet (704) coordinated with described two ratchets (702) contacts with described ratchet brake mount (703) inner chamber seating plane, the ratchet platen (705) contacted with the front end face forming surface of described ratchet is set, the centre hole of described ratchet platen is threaded with brake-applying handle (706) and is locked by jam nut (707), and the excircle of ratchet platen is threaded with described ratchet brake mount intracavity sidewall;
Second lockable mechanism comprises: the ratchet (303) being equidistantly installed with protrusion at the side outer wall of described slip joint (3) from top to bottom, be provided with sour jujube bar mounting ear (202) in the external wall of upper portion of described column base pitch (2), the sour jujube bar (203) coordinated with described ratchet is arranged on described sour jujube bar mounting ear by bearing pin, torsion spring.
2. mechanical and electric equipment installation mechanism of supporting leg according to claim 1 adjustable hook type lifting Dual-locking substation, it is characterized in that, limit, top four outer wall of described column base pitch (2) is provided with deep groove ball bearing (201), 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 laterally fixed on the outer wall of column base pitch; Limit, bottom four inwall of described slip joint (3) is provided with bearing (301) equally, and a part for each described bearing (301) extends the outside of slip joint, and the axle of each bearing is laterally fixed on the inwall of slip joint.
CN201410493687.7A 2014-09-24 2014-09-24 Mechanical and electric equipment installation mechanism of supporting leg adjustable hook type lifting Dual-locking electric substation CN104291223B (en)

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CN104291223B CN104291223B (en) 2017-03-15

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CN105253829A (en) * 2015-11-06 2016-01-20 周午贤 Lifting machine for agricultural machines
CN106477464A (en) * 2016-11-13 2017-03-08 无锡晟欧船舶设备有限公司 A kind of rubbish with supporting hangs
CN106495019A (en) * 2016-11-13 2017-03-15 无锡晟欧船舶设备有限公司 A kind of sustainable mobile rubbish hangs
CN106495018A (en) * 2016-11-13 2017-03-15 无锡晟欧船舶设备有限公司 A kind of many bars support rubbish to hang
CN106629420A (en) * 2016-11-13 2017-05-10 无锡晟欧船舶设备有限公司 Position-adjustable garbage crane

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CN105253829A (en) * 2015-11-06 2016-01-20 周午贤 Lifting machine for agricultural machines
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