CN108545631B - A kind of elevating method of large scale electrical power unit installation - Google Patents
A kind of elevating method of large scale electrical power unit installation Download PDFInfo
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- CN108545631B CN108545631B CN201810288836.4A CN201810288836A CN108545631B CN 108545631 B CN108545631 B CN 108545631B CN 201810288836 A CN201810288836 A CN 201810288836A CN 108545631 B CN108545631 B CN 108545631B
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- Prior art keywords
- wirerope
- electrical power
- large scale
- power unit
- hydraulic device
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes 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
- B66C23/18—Cranes 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 specially adapted for use in particular purposes
- B66C23/36—Cranes 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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/44—Jib-cranes adapted for attachment to standard vehicles, e.g. agricultural tractors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/06—Cranes in which the lifting movement is done with a hydraulically controlled plunger
- B66C2700/062—Cranes in which the lifting movement is done with a hydraulically controlled plunger mounted on motor vehicles
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a kind of elevating methods of large scale electrical power unit installation, include the following steps: S1: boom suspention is got up in first motor and the work of the second hydraulic device；First hook of the S2: the first steel cord ends is used to hang large scale electrical power unit, and the second hook of the second steel cord ends is used to hang large scale electrical power unit accessory；S3: can be used to be lifted supporting plate structure by third hydraulic device, staff may stand in above support plate, carry out lift in height work；S4: using the rack construction being arranged at the top of support plate, second traction mechanism or so adjustment is controlled by servo drive, the second traction mechanism is used to hanged tool and component carries out lifting moving.The present invention improves installation effectiveness, and avoiding device repeatedly mobile and handling lifting forms easy elevator structure, staff may stand in support plate and go up and down, facilitate installation, reduces the carrying pressure of staff's high altitude operation, improve security performance.
Description
Technical field
The present invention relates to electrical equipment technical field, specially a kind of liter of the lifting device of large scale electrical power unit installation
Drop method.
Background technique
Power equipment mainly includes generating equipment and power supply unit two major classes, and generating equipment is mainly station boiler, steam
Turbine, gas turbine, the hydraulic turbine, generator, transformer etc., power supply unit be mainly various voltage class transmission line of electricity,
Mutual inductor, contactor etc..
In large scale electrical power unit installation process, existing mode is all made of crane and carries out lift adjustment.In the prior art
Crane have it is following several:
Chinese patent application CN200920041401.6 discloses a kind of installation of power equipment, maintenance and other industry and sets
The hydraulic crane that standby, object is lifted by crane, is displaced, as shown in Figure 1, it passes through a slinging beam by two light hydraulic cranes
It assembles, is slided on the slinging beam and be equipped with movable block, which has bracket, sheave, displacement chain
Wheel and pulls chain at wheel shaft, and fixing assembling has a displacement sprocket wheel for the chain displacement of movable block on sheave, on movable block also
It is provided with the displacement zipper for coaster traction displacement, is connected between slinging beam and crane by Fixed latches.
Chinese patent application CN201310092336.0 discloses a kind of perpetual motion electric crane and crane, such as Fig. 2
Shown, it realizes perpetual motion motion work using " the gradual force perpetual motion principle of dynamics mutually to power and circulation complementary energy perpetual motion step by step ".It should
Perpetual motion electric crane and crane be one kind be not required to external electric energy, zero-emission, itself can generate lasting mechanical energy and electric power,
The perpetual motion electric crane and crane never having a power failure.And it can transmit electric power to other machinery and electric appliance.It is by gradual force perpetual motion
Cabin, gradual force perpetual motion dynamical system, engine, generator, super hold battery and blower composition at the control engine that slows down.By power
Perpetual motion cabin is by perpetual motion power device inner sleeve, perpetual motion body fuselage foreboard, ring flange, perpetual motion body fuselage rear cover, gradual force perpetual motion
Connect that shaft, high temperature resistant type axial direction rare earth kicker magnet, magnetic is to power and multistage several groups power source disk, radial permanent magnet step by step
The fixed bracket of high frequency magnet, air exchange ventilating cover, unsplit frame is constituted.
Chinese patent application CN201120200083.0 discloses a kind of lifting equipment, as shown in figure 3, the bottom of crane tail portion
Disk is equipped with the 5th supporting leg, and the 5th supporting leg is made of horizontal support legs and vertical support oil cylinder, and the rear side of vertical support oil cylinder is equipped with
Handle.The utility model can avoid crane and nose accident occur, and ensure that the stability of crane, improves work when crane operation
Dynamic range and lifting range.
But existing crane structure lifts low efficiency, can not equipment and accessory be carried out while be gone up and down, crane does not also have
The elevator of standby personnel lifting, difficulty of construction is big for installation personnel, and to carry pressure big for the tool of high altitude operation personnel, safety compared with
Difference.
Summary of the invention
The purpose of the present invention is to provide a kind of lifting devices of large scale electrical power unit installation, and realization device can be simultaneously
Lifting large scale electrical power unit is carried out, power equipment accessory structure is also able to ascend, improves installation effectiveness, avoiding device repeatedly moves
Dynamic and handling lifting, forms easy elevator structure, staff may stand in support plate and go up and down, and facilitate installation
Construction can carry out transfer promotion to tool fitting, reduce the carrying pressure of staff's high altitude operation, improve safety
Can, the swing of wirerope in handling lifting process is effectively buffered by spring, facilitates construction, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of elevating method of large scale electrical power unit installation comprising following steps:
S1: being moved to lifting device by car body needs position to be mounted, first motor and the work of the second hydraulic device,
Boom suspention is got up；
The first of S2: the first steel cord ends, which is linked up with, is used to hang large scale electrical power unit, and the second of the second steel cord ends
Hook is used to hang large scale electrical power unit accessory, carries out promotion traction by first motor and the first traction mechanism respectively；
S3: can be used to be lifted supporting plate structure by third hydraulic device, and staff may stand in above support plate,
The elevator structure formed using support plate and third hydraulic device, can carry out lift in height work；
S4: using the rack construction being arranged at the top of support plate, second traction mechanism or so is controlled by servo drive
Adjustment, the second traction mechanism is used to hanged tool and component carries out lifting moving.
The elevating method uses a kind of lifting device of large scale electrical power unit installation, including car body and is set to
First hydraulic device of quadrangle on the outside of car body, first hydraulic device bottom are mounted on support base, the car body top peace
Equipped with support, the holder top is hinged with boom by guide bracket, and first motor and the first electricity are equipped with inside the support
The disk line roller of machine output end, the support right side is equipped with and the second hydraulic device of boom flexible connection, two above and below the boom
End is equipped with guide roller, is connected between the disk line roller and guide roller by the first wirerope, and the first wirerope is extended to and hung
Arm bottom right side, the first wirerope right end are equipped with the first hook, and the boom bottom right side is also equipped with the first traction
Mechanism and the first hanging ring are connected with the second wirerope between first traction mechanism and the first hanging ring.
Preferably, the second steel cord ends are equipped with the second hook, the meta position of first wirerope and the second wirerope
The first limited block is connected with by the guide sleeve of cylinder and cylinder output at the top of boom, is passed through on the inside of first limited block
Spring is equipped with the second limited block.
Preferably, the car body bottom right side is equipped with substrate, and the substrate top is equipped with by third hydraulic device
Support plate, organic frame is installed in the support plate, and the rack upper top is equipped with servo drive, the servo-drive dress
It sets through there is guide block, the guide block is slidably connected to rack by sliding block, and the guide block bottom is connected with second by guide plate
Traction mechanism.
Preferably, connected by pin shaft activity between the guide bracket and boom and between boom and the second hydraulic device
It connects.
Preferably, second hydraulic device includes hydraulic cylinder and the piston rod that hydraulic cylinder output end is arranged in.
Preferably, first traction mechanism includes link block, the second motor, the first line wheel and first bearing seat, described
Second motor and first bearing seat are mounted between two groups of link blocks, and first line wheel is mounted on the output shaft of the second motor
On.
Preferably, the first limit block and the second limit block are semicircular arc structure, first limited block and
The center of circle of two limited blocks is identical.
Preferably, the servo drive includes servo motor, screw rod and axle sleeve, the screw rod right end and servo motor
Output end transmission connection, the screw rod left end is fixed on rack left side top by axle sleeve.
Preferably, sliding block sliding position is corresponded in the rack offer the sliding rail to match.
Preferably, second traction mechanism include third motor, the second line wheel, second bearing seat, third wirerope and
Second hanging ring, the output shaft of the third motor is connected to second bearing seat, and the second line wheel is mounted on output shaft, and described
Three wirerope are coiled in the second line wheel, and third steel cord ends and the second hanging ring are connected.
Preferably, described to lift the power equipment of more large-tonnage in order to improve the lifting load of the lifting device
The wire quality of first wirerope and the second wirerope is high-carbon steel, the steel wire surface zinc-plated processing.The high-carbon steel
Phosphorus content V be 0.63-1.89%；Hardness Y after heat treatment is HRC60 1.
Preferably, the tensile strength sigma of the steel wire is 237-356MPa.
Preferably, in order to select reasonable steel wire as far as possible while improving the lifting load of the lifting device
Diameter phi (steel wire diameter is bigger, and cost is higher), realize lifting load and economic benefit balance, the high-carbon steel it is carbon containing
V, the tensile strength sigma of the steel wire and the steel wire diameter φ is measured to meet:
In above formula, the unit of steel wire diameter φ is millimeter, and tensile strength sigma unit is megapascal, and hardness Y is HRC hardness (Lip river
Family name's hardness)；κ is diameter quotient, and value range is.Above formula only carries out numerical operation, is not related to unit fortune
It calculates.
Preferably, the number of share of stock that the wirerope contains steel wire is 3-9.The wirerope is twisted by steel wire.
Compared with prior art, the beneficial effects of the present invention are:
1, the elevating method of large scale electrical power unit installation of the invention passes through the first dragger increased on the right side of boom
Structure can drive the second wirerope and the second hook to be drawn by the first traction mechanism, and realization device can carry out simultaneously
Go up and down large scale electrical power unit, be also able to ascend power equipment accessory structure, improve installation effectiveness, avoiding device it is repeatedly mobile and
Handling lifting；
2, the elevating method of large scale electrical power unit installation of the invention passes through the third liquid installed on the right side of vehicle bottom
Pressure device can be lifted support plate, form easy elevator structure, it is enterprising that staff may stand in support plate
Row lifting, facilitates installation；
3, the elevating method of large scale electrical power unit installation of the invention, the rack being arranged at the top of support plate and in machine
The servo drive and the second traction mechanism being arranged on frame can carry out transfer promotion to tool fitting, reduce staff
The carrying pressure of high altitude operation, improves security performance；
4, the elevating method of large scale electrical power unit installation of the invention, is located between the first wirerope and the second wirerope
The first limited block is connected with by the guide sleeve of cylinder and cylinder output at the top of boom, and passes through bullet on the inside of the first limited block
Spring is equipped with the second limited block, and the swing of wirerope in handling lifting process can be effectively buffered by spring, facilitates construction；
5, the elevating method of large scale electrical power unit installation of the invention, by the material of reasonable selection wirerope, and
The phosphorus content and hardness of material improve the lifting load of the lifting device, to lift the power equipment of more large-tonnage.
6, the elevating method of large scale electrical power unit installation of the invention, by phosphorus content V, the steel that high-carbon steel is arranged
The tensile strength sigma of silk and the relationship of the steel wire diameter φ to the greatest extent may be used while improving the lifting load of the lifting device
The reasonable steel wire diameter φ of selection (steel wire diameter is bigger, and cost is higher) of energy realizes the balance of lifting load and economic benefit.
Detailed description of the invention
Fig. 1 be a kind of power equipment installation in the prior art, maintenance and other industry devices, object lifted by crane, position
The hydraulic crane schematic diagram of shifting；
Fig. 2 is a kind of perpetual motion electric crane schematic diagram in the prior art；
Fig. 3 is a kind of lifting equipment schematic diagram in the prior art；
Fig. 4 is the lifting device structure schematic diagram of large scale electrical power unit installation of the invention；
Fig. 5 is that the lifting device the first limit block and the second limit block part of large scale electrical power unit installation of the invention is tied
Structure schematic diagram；
Fig. 6 is that lifting device the first traction mechanism part enlarged structure of large scale electrical power unit installation of the invention is illustrated
Figure；
Fig. 7 is the lifting device support plate part enlarged structure schematic diagram of large scale electrical power unit installation of the invention；
Fig. 8 is that lifting device the second traction mechanism part enlarged structure of large scale electrical power unit installation of the invention is illustrated
Figure；
Fig. 9 is the flow diagram of the elevating method of large scale electrical power unit installation of the invention.
In Fig. 4-8: 1 car body, 2 first hydraulic devices, 3 support bases, 4 supports, 5 first motors, 6 disk line rollers, 7 guide brackets, 8 are hung
Arm, 9 pin shafts, 10 second hydraulic devices, 101 hydraulic cylinders, 102 piston rods, 11 first wirerope, 12 guide rollers, 13 first hook,
14 cylinders, 15 guide sleeves, 16 first limited blocks, 17 first traction mechanisms, 171 link blocks, 172 second motors, 173 first line wheels,
174 first bearing seats, 18 first hanging rings, 19 second wirerope, 20 second hooks, 21 substrates, 22 third hydraulic devices, 23 supports
Plate, 24 racks, 25 springs, 26 second limited blocks, 27 servo drives, 271 servo motors, 272 screw rods, 273 axle sleeves, 28 are led
Block, 29 guide plates, 30 second traction mechanisms, 301 third motors, 302 second line wheels, 303 second bearing seats, 304 third wirerope,
305 second hanging rings, 31 sliding blocks, 311 sliding rails.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
As shown in figure 9, a kind of elevating method of large scale electrical power unit installation, includes the following steps:
S1: being moved to device by car body needs position to be mounted, and first motor and the work of the second hydraulic device will be hung
Arm sling lifts；
The first of S2: the first steel cord ends, which is linked up with, is used to hang large scale electrical power unit, and the second of the second steel cord ends
Hook is used to hang large scale electrical power unit accessory, carries out promotion traction by first motor and the first traction mechanism respectively；
S3: can be used to be lifted supporting plate structure by third hydraulic device, and staff may stand in above support plate,
The elevator structure formed using support plate and third hydraulic device, can carry out lift in height work；
S4: using the rack construction being arranged at the top of support plate, second traction mechanism or so is controlled by servo drive
Adjustment, the second traction mechanism is used to hanged tool and component carries out lifting moving.
Please refer to Fig. 4-8, a kind of lifting device of large scale electrical power unit installation of the elevating method, the lifting device
Including car body 1 and it is set to the first hydraulic device 2 of 1 outside quadrangle of car body, 2 bottom of the first hydraulic device is mounted on
Support base 3, the first hydraulic device 2 push support base 3 downwards, car body can be overally supported, provide branch for handling
Point；Support 4 is installed at the top of the car body 1, passes through guide bracket 7 at the top of the support 4 and is hinged with boom 8, pacify inside the support 4
Disk line roller 6 equipped with 5 output end of first motor 5 and first motor, is equipped on the right side of the support 4 and boom 8 is flexibly connected
Second hydraulic device 10,8 upper and lower ends of boom are equipped with guide roller 12, pass through between the disk line roller 6 and guide roller 12
The connection of first wirerope 11, and the first wirerope 11 extends to 8 bottom right side of boom, 11 right end of the first wirerope is equipped with
First hook 13,8 bottom right side of boom is also equipped with the first traction mechanism 17 and the first hanging ring 18, first dragger
The second wirerope 19 is connected between structure 17 and the first hanging ring 18.
Second wirerope, 19 end is equipped with the second hook 20, and the work of the first traction mechanism 17 is carried out with the second hook 20
It is promoted；It is located at the top of boom 8 between first wirerope 11 and the second wirerope 19 and is exported by cylinder 14 and cylinder 14
The guide sleeve 15 at end is connected with the first limited block 16, passes through spring 25 on the inside of first limited block 16 and is equipped with the second limited block
26, the buffer function provided by spring 25, the swing for reducing the first wirerope 11 and the second wirerope 19 influences.
1 bottom right side of car body is equipped with substrate 21, is equipped at the top of the substrate 21 by third hydraulic device 22
Support plate 23 installs organic frame 24 in the support plate 23, and 24 upper top of rack is equipped with servo drive 27, described
Through there is guide block 28 on servo drive 27, the guide block 28 is slidably connected to rack 24, the guide block 28 by sliding block 31
Bottom is connected with the second traction mechanism 30 by guide plate 29.
It is flexibly connected by pin shaft 9 between the guide bracket 7 and boom 8 and between boom 8 and the second hydraulic device 10；
It is flexibly connected using pin shaft, boom 8 is facilitated to carry out angular adjustment.
Second hydraulic device 10 includes hydraulic cylinder 101 and the piston rod 102 that 101 output end of hydraulic cylinder is arranged in；Liquid
Cylinder pressure 101 drives piston rod 102 to be gone up and down, while the first hydraulic device 2, the second hydraulic device 10 and third hydraulic device 22
Internal structure is all the same.
First traction mechanism 17 includes link block 171, the second motor 172, the first line wheel 173 and first bearing seat
174, second motor 172 and first bearing seat 174 are mounted between two groups of link blocks 171, and first line wheel 173 is installed
On the output shaft of the second motor 172；It is worked by the second motor 172, second wirerope 19 is carried out using the first line wheel 173
It is promoted.
First limited block 16 and the second limited block 26 are semicircular arc structure, convenient using semicircular arc structure
Wirerope is limited to swing；First limited block 16 is identical with the center of circle of the second limited block 26.
The servo drive 27 include servo motor 271, screw rod 272 and axle sleeve 273,272 right end of screw rod and
The transmission connection of 271 output end of servo motor, 272 left end of screw rod are fixed on 24 left side top of rack by axle sleeve 273；Servo
The work of motor 271 drives screw rod 272 to rotate, and realizes the mobile adjustment to guide block 28.
31 sliding position of sliding block is corresponded in the rack 24 offers the sliding rail 311 to match；The sliding rail to match is set
311 structures facilitate sliding block 31 to slide.
Second traction mechanism 30 includes third motor 301, the second line wheel 302, second bearing seat 303, third steel wire
Rope 304 and the second hanging ring 305, the output shaft of the third motor 301 is connected to second bearing seat 303, and the second line wheel 302 is pacified
On output shaft, the third wirerope 304 is coiled in the second line wheel 302, and 304 end of third wirerope and second is hung
Ring 305 is connected；The rotation of the second line wheel 302 is driven by third motor 301, coiling lifting is carried out to third wirerope 304.
In conclusion the present invention is by passing through the first traction mechanism 17 in 8 increased first traction mechanism 17 in right side of boom
The second wirerope 19 and the second hook 20 can be driven to be drawn, realization device can carry out lifting large-scale power simultaneously and set
It is standby, while it being also able to ascend power equipment accessory structure, installation effectiveness is improved, avoiding device repeatedly moves, multiple handling liter
Drop, can be lifted support plate 23 by the third hydraulic device 22 installed in 1 bottom right of car body, form easy rise
Elevator structure drops, and staff may stand in support plate 23 and go up and down, facilitates installation, be arranged at the top of support plate 23
Rack 24 and the servo drive 27 and the second traction mechanism 30 that are arranged in rack 24, tool fitting can be carried out
Transfer is promoted, and is reduced the carrying pressure of staff's high altitude operation, is improved security performance, the first wirerope 11 and the second steel wire
It is located at the top of boom 8 between rope 19 and first limited block 16 is connected with by the guide sleeve 15 of 14 output end of cylinder 14 and cylinder, and
And first is equipped with the second limited block 26 by spring 25 on the inside of limited block 16, it can effectively buffering handling mention by spring 25
The swing of wirerope, facilitates construction during rising.
Embodiment 2
As shown in figure 9, a kind of elevating method of large scale electrical power unit installation, includes the following steps:
S1: being moved to device by car body needs position to be mounted, and first motor and the work of the second hydraulic device will be hung
Arm sling lifts；
The first of S2: the first steel cord ends, which is linked up with, is used to hang large scale electrical power unit, and the second of the second steel cord ends
Hook is used to hang large scale electrical power unit accessory, carries out promotion traction by first motor and the first traction mechanism respectively；
S3: can be used to be lifted supporting plate structure by third hydraulic device, and staff may stand in above support plate,
The elevator structure formed using support plate and third hydraulic device, can carry out lift in height work；
S4: using the rack construction being arranged at the top of support plate, second traction mechanism or so is controlled by servo drive
Adjustment, the second traction mechanism is used to hanged tool and component carries out lifting moving.
Please refer to Fig. 4-8, a kind of lifting device of large scale electrical power unit installation of the elevating method, the lifting device
Including car body 1 and it is set to the first hydraulic device 2 of 1 outside quadrangle of car body, 2 bottom of the first hydraulic device is mounted on
Support base 3, the first hydraulic device 2 push support base 3 downwards, car body can be overally supported, provide branch for handling
Point；Support 4 is installed at the top of the car body 1, passes through guide bracket 7 at the top of the support 4 and is hinged with boom 8, pacify inside the support 4
Disk line roller 6 equipped with 5 output end of first motor 5 and first motor, is equipped on the right side of the support 4 and boom 8 is flexibly connected
Second hydraulic device 10,8 upper and lower ends of boom are equipped with guide roller 12, pass through between the disk line roller 6 and guide roller 12
The connection of first wirerope 11, and the first wirerope 11 extends to 8 bottom right side of boom, 11 right end of the first wirerope is equipped with
First hook 13,8 bottom right side of boom is also equipped with the first traction mechanism 17 and the first hanging ring 18, first dragger
The second wirerope 19 is connected between structure 17 and the first hanging ring 18.
Second wirerope, 19 end is equipped with the second hook 20, and the work of the first traction mechanism 17 is carried out with the second hook 20
It is promoted；It is located at the top of boom 8 between first wirerope 11 and the second wirerope 19 and is exported by cylinder 14 and cylinder 14
The guide sleeve 15 at end is connected with the first limited block 16, passes through spring 25 on the inside of first limited block 16 and is equipped with the second limited block
26, the buffer function provided by spring 25, the swing for reducing the first wirerope 11 and the second wirerope 19 influences.
1 bottom right side of car body is equipped with substrate 21, is equipped at the top of the substrate 21 by third hydraulic device 22
Support plate 23 installs organic frame 24 in the support plate 23, and 24 upper top of rack is equipped with servo drive 27, described
Through there is guide block 28 on servo drive 27, the guide block 28 is slidably connected to rack 24, the guide block 28 by sliding block 31
Bottom is connected with the second traction mechanism 30 by guide plate 29.
It is flexibly connected by pin shaft 9 between the guide bracket 7 and boom 8 and between boom 8 and the second hydraulic device 10；
It is flexibly connected using pin shaft, boom 8 is facilitated to carry out angular adjustment.
Second hydraulic device 10 includes hydraulic cylinder 101 and the piston rod 102 that 101 output end of hydraulic cylinder is arranged in；Liquid
Cylinder pressure 101 drives piston rod 102 to be gone up and down, while the first hydraulic device 2, the second hydraulic device 10 and third hydraulic device 22
Internal structure is all the same.
First traction mechanism 17 includes link block 171, the second motor 172, the first line wheel 173 and first bearing seat
174, second motor 172 and first bearing seat 174 are mounted between two groups of link blocks 171, and first line wheel 173 is installed
On the output shaft of the second motor 172；It is worked by the second motor 172, second wirerope 19 is carried out using the first line wheel 173
It is promoted.
First limited block 16 and the second limited block 26 are semicircular arc structure, convenient using semicircular arc structure
Wirerope is limited to swing；First limited block 16 is identical with the center of circle of the second limited block 26.
The servo drive 27 include servo motor 271, screw rod 272 and axle sleeve 273,272 right end of screw rod and
The transmission connection of 271 output end of servo motor, 272 left end of screw rod are fixed on 24 left side top of rack by axle sleeve 273；Servo
The work of motor 271 drives screw rod 272 to rotate, and realizes the mobile adjustment to guide block 28.
31 sliding position of sliding block is corresponded in the rack 24 offers the sliding rail 311 to match；The sliding rail to match is set
311 structures facilitate sliding block 31 to slide.
Second traction mechanism 30 includes third motor 301, the second line wheel 302, second bearing seat 303, third steel wire
Rope 304 and the second hanging ring 305, the output shaft of the third motor 301 is connected to second bearing seat 303, and the second line wheel 302 is pacified
On output shaft, the third wirerope 304 is coiled in the second line wheel 302, and 304 end of third wirerope and second is hung
Ring 305 is connected；The rotation of the second line wheel 302 is driven by third motor 301, coiling lifting is carried out to third wirerope 304.
In order to improve the lifting load of the lifting device, to lift the power equipment of more large-tonnage, first steel
The wire quality of cord and the second wirerope is high-carbon steel, the steel wire surface zinc-plated processing.The high-carbon steel it is carbon containing
Amount V is 0.63-1.89%；Hardness Y after heat treatment is HRC60 1.
The tensile strength sigma of the steel wire is 237-356MPa.
Embodiment 3
As shown in figure 9, a kind of elevating method of large scale electrical power unit installation, includes the following steps:
S1: being moved to device by car body needs position to be mounted, and first motor and the work of the second hydraulic device will be hung
Arm sling lifts；
The first of S2: the first steel cord ends, which is linked up with, is used to hang large scale electrical power unit, and the second of the second steel cord ends
Hook is used to hang large scale electrical power unit accessory, carries out promotion traction by first motor and the first traction mechanism respectively；
S3: can be used to be lifted supporting plate structure by third hydraulic device, and staff may stand in above support plate,
The elevator structure formed using support plate and third hydraulic device, can carry out lift in height work；
S4: using the rack construction being arranged at the top of support plate, second traction mechanism or so is controlled by servo drive
Adjustment, the second traction mechanism is used to hanged tool and component carries out lifting moving.
Please refer to Fig. 4-8, a kind of lifting device of large scale electrical power unit installation of the elevating method, the lifting device
Including car body 1 and it is set to the first hydraulic device 2 of 1 outside quadrangle of car body, 2 bottom of the first hydraulic device is mounted on
Support base 3, the first hydraulic device 2 push support base 3 downwards, car body can be overally supported, provide branch for handling
Point；Support 4 is installed at the top of the car body 1, passes through guide bracket 7 at the top of the support 4 and is hinged with boom 8, pacify inside the support 4
Disk line roller 6 equipped with 5 output end of first motor 5 and first motor, is equipped on the right side of the support 4 and boom 8 is flexibly connected
Second hydraulic device 10,8 upper and lower ends of boom are equipped with guide roller 12, pass through between the disk line roller 6 and guide roller 12
The connection of first wirerope 11, and the first wirerope 11 extends to 8 bottom right side of boom, 11 right end of the first wirerope is equipped with
First hook 13,8 bottom right side of boom is also equipped with the first traction mechanism 17 and the first hanging ring 18, first dragger
The second wirerope 19 is connected between structure 17 and the first hanging ring 18.
Second wirerope, 19 end is equipped with the second hook 20, and the work of the first traction mechanism 17 is carried out with the second hook 20
It is promoted；It is located at the top of boom 8 between first wirerope 11 and the second wirerope 19 and is exported by cylinder 14 and cylinder 14
The guide sleeve 15 at end is connected with the first limited block 16, passes through spring 25 on the inside of first limited block 16 and is equipped with the second limited block
26, the buffer function provided by spring 25, the swing for reducing the first wirerope 11 and the second wirerope 19 influences.
1 bottom right side of car body is equipped with substrate 21, is equipped at the top of the substrate 21 by third hydraulic device 22
Support plate 23 installs organic frame 24 in the support plate 23, and 24 upper top of rack is equipped with servo drive 27, described
Through there is guide block 28 on servo drive 27, the guide block 28 is slidably connected to rack 24, the guide block 28 by sliding block 31
Bottom is connected with the second traction mechanism 30 by guide plate 29.
It is flexibly connected by pin shaft 9 between the guide bracket 7 and boom 8 and between boom 8 and the second hydraulic device 10；
It is flexibly connected using pin shaft, boom 8 is facilitated to carry out angular adjustment.
Second hydraulic device 10 includes hydraulic cylinder 101 and the piston rod 102 that 101 output end of hydraulic cylinder is arranged in；Liquid
Cylinder pressure 101 drives piston rod 102 to be gone up and down, while the first hydraulic device 2, the second hydraulic device 10 and third hydraulic device 22
Internal structure is all the same.
First traction mechanism 17 includes link block 171, the second motor 172, the first line wheel 173 and first bearing seat
174, second motor 172 and first bearing seat 174 are mounted between two groups of link blocks 171, and first line wheel 173 is installed
On the output shaft of the second motor 172；It is worked by the second motor 172, second wirerope 19 is carried out using the first line wheel 173
It is promoted.
First limited block 16 and the second limited block 26 are semicircular arc structure, convenient using semicircular arc structure
Wirerope is limited to swing；First limited block 16 is identical with the center of circle of the second limited block 26.
The servo drive 27 include servo motor 271, screw rod 272 and axle sleeve 273,272 right end of screw rod and
The transmission connection of 271 output end of servo motor, 272 left end of screw rod are fixed on 24 left side top of rack by axle sleeve 273；Servo
The work of motor 271 drives screw rod 272 to rotate, and realizes the mobile adjustment to guide block 28.
31 sliding position of sliding block is corresponded in the rack 24 offers the sliding rail 311 to match；The sliding rail to match is set
311 structures facilitate sliding block 31 to slide.
Second traction mechanism 30 includes third motor 301, the second line wheel 302, second bearing seat 303, third steel wire
Rope 304 and the second hanging ring 305, the output shaft of the third motor 301 is connected to second bearing seat 303, and the second line wheel 302 is pacified
On output shaft, the third wirerope 304 is coiled in the second line wheel 302, and 304 end of third wirerope and second is hung
Ring 305 is connected；The rotation of the second line wheel 302 is driven by third motor 301, coiling lifting is carried out to third wirerope 304.
In order to improve the lifting load of the lifting device, to lift the power equipment of more large-tonnage, first steel
The wire quality of cord and the second wirerope is high-carbon steel, the steel wire surface zinc-plated processing.The high-carbon steel it is carbon containing
Amount V is 0.63-1.89%；Hardness Y after heat treatment is HRC60 1.
The tensile strength sigma of the steel wire is 237-356MPa.
In order to select reasonable steel wire diameter φ as far as possible while improving the lifting load of the lifting device
(steel wire diameter is bigger, and cost is higher) realizes the balance of lifting load and economic benefit, the phosphorus content V of the high-carbon steel, institute
The tensile strength sigma and the steel wire diameter φ for stating steel wire meet:
In above formula, the unit of steel wire diameter φ is millimeter, and tensile strength sigma unit is megapascal, and hardness Y is HRC hardness (Lip river
Family name's hardness)；κ is diameter quotient, and value range is.Above formula only carries out numerical operation, is not related to unit fortune
It calculates.
The number of share of stock that the wirerope contains steel wire is 3-9.The wirerope is twisted by steel wire.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. a kind of elevating method of large scale electrical power unit installation, it is characterised in that: the elevating method includes the following steps:
S1: being moved to lifting device by car body needs position to be mounted, and first motor and the work of the second hydraulic device will be hung
Arm sling lifts；
First hook of the S2: the first steel cord ends is used to hang large scale electrical power unit, the second hook of the second steel cord ends
For hanging large scale electrical power unit accessory, promotion traction is carried out by first motor and the first traction mechanism respectively；
S3: can be used to be lifted supporting plate structure by third hydraulic device, staff may stand in above support plate, utilize
The elevator structure that support plate and third hydraulic device are formed, can carry out lift in height work；
S4: using the rack construction being arranged at the top of support plate, controlling second traction mechanism or so adjustment by servo drive,
Second traction mechanism is used to hanged tool and component carries out lifting moving；
The elevating method uses a kind of lifting device of large scale electrical power unit installation, and the lifting device includes car body
(1) and it is set to the first hydraulic device (2) of quadrangle on the outside of car body (1), the first hydraulic device (2) bottom is mounted on
Support base (3), car body (1) top are equipped with support (4), are hinged with boom by guide bracket (7) at the top of the support (4)
(8), the disk line roller (6) of first motor (5) and first motor (5) output end, the support are installed inside the support (4)
(4) the second hydraulic device (10) that right side is equipped with and boom (8) are flexibly connected, boom (8) upper and lower ends are equipped with conducting wire
It takes turns (12), is connected between the disk line roller (6) and guide roller (12) by the first wirerope (11), and the first wirerope (11) prolongs
Boom (8) bottom right side is extended to, the first wirerope (11) right end is equipped with the first hook (13), on the right side of the boom (8)
Bottom is also equipped with the first traction mechanism (17) and the first hanging ring (18), first traction mechanism (17) and the first hanging ring (18)
Between be connected with the second wirerope (19)；Between the guide bracket (7) and boom (8) and boom (8) and the second hydraulic device
(10) it is flexibly connected by pin shaft (9) between；The wire quality of first wirerope and the second wirerope is high-carbon steel,
The steel wire surface zinc-plated processing；The phosphorus content V of the high-carbon steel is 0.63-1.89%；Hardness Y after heat treatment is
HRC60 1.
2. a kind of elevating method of large scale electrical power unit installation according to claim 1, it is characterised in that: described second
Hydraulic device (10) includes the piston rod (102) of hydraulic cylinder (101) and setting in hydraulic cylinder (101) output end.
3. a kind of elevating method of large scale electrical power unit installation according to claim 1 or 2, it is characterised in that: described
Servo drive (27) includes servo motor (271), screw rod (272) and axle sleeve (273), screw rod (272) right end and is watched
The transmission connection of motor (271) output end is taken, screw rod (272) left end is fixed on top on the left of rack (24) by axle sleeve (273)
Portion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810288836.4A CN108545631B (en) | 2018-04-03 | 2018-04-03 | A kind of elevating method of large scale electrical power unit installation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810288836.4A CN108545631B (en) | 2018-04-03 | 2018-04-03 | A kind of elevating method of large scale electrical power unit installation |
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| CN108545631B true CN108545631B (en) | 2019-10-18 |
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| CN201810288836.4A Expired - Fee Related CN108545631B (en) | 2018-04-03 | 2018-04-03 | A kind of elevating method of large scale electrical power unit installation |
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| CN109611818B (en) * | 2018-11-28 | 2020-01-03 | 中冶宝钢技术服务有限公司 | Lifting device and lifting method for convection superheater |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3259251A (en) * | 1963-12-26 | 1966-07-05 | Galion Jeffrey Mfg Co | Extensible boom with tandem operating cylinders |
| CN201647853U (en) * | 2010-02-04 | 2010-11-24 | 沈阳北方交通重工有限公司 | Full-hydraulic automobile crane |
| CN203612843U (en) * | 2013-12-13 | 2014-05-28 | 烟台杰瑞石油装备技术有限公司 | Hoisting mechanism for fracturing manifold truck |
| CN205346760U (en) * | 2016-01-28 | 2016-06-29 | 庞盛元 | Hoist overhauls uses elevating platform |
| CN205709749U (en) * | 2016-05-11 | 2016-11-23 | 国网山东省电力公司荣成市供电公司 | A kind of power failure breakdown van |
| CN107512666A (en) * | 2016-06-16 | 2017-12-26 | 重庆陆龟科技有限公司 | A kind of multifunction power engineering truck |
| CN206735755U (en) * | 2017-05-04 | 2017-12-12 | 南京瓦科机械设备有限公司 | A kind of flight-line maintenance lifter |
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