CN107298393B - The mobile boom hoisting of urban viaduct construction in later period - Google Patents
The mobile boom hoisting of urban viaduct construction in later period Download PDFInfo
- Publication number
- CN107298393B CN107298393B CN201710743704.1A CN201710743704A CN107298393B CN 107298393 B CN107298393 B CN 107298393B CN 201710743704 A CN201710743704 A CN 201710743704A CN 107298393 B CN107298393 B CN 107298393B
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- China
- Prior art keywords
- boom
- pulley
- wirerope
- plate
- horizontal frame
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- B66C23/20—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 with supporting couples provided by walls of buildings or like structures
- B66C23/208—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 with supporting couples provided by walls of buildings or like structures with supporting couples provided from the side, e.g. by walls of buildings
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- 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
- B66C23/62—Constructional features or details
-
- 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
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/68—Jibs foldable or otherwise adjustable in configuration
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The mobile boom hoisting of urban viaduct construction in later period, including the upper whole braced frame in rectangular shape on the right side of the bridge floor of overpass is arranged in, left and right horizontal direction is provided with a boom at the top of braced frame, it is cantilever design on the right side of boom, one is provided in every supporting beam for fixing the manual positioning mechanism of boom, front side is provided with hoist engine at the top of braced frame；Exhaust fan, cylinder, compressed air reservoir, exhausting motor and sucker are provided in braced frame.The present invention has rational design, structure is simple, each spare and accessory parts are all made of the structure of separable assembled, with with dress, there is certain lifting capacity, fixed property is good on the bridge floor of overpass, and it can be moved along bridge floor, install it is convenient and efficient, especially for boom, for the ease of carrying and storing, it is frequently necessary to dismantle after use, it is locked and is dismantled by manual positioning mechanism, not only security reliability is strong, but also quite convenient quick.
Description
Technical field
The invention belongs to road and bridge construction technical fields, and in particular to a kind of mobile lifting of urban viaduct construction in later period
Device.
Background technique
Overpass has become more and more in present traffic route, because overpass generally outmatches common ground
On road, some crossroads etc. are avoided, the unobstructed degree of road can be improved, overpass is in bridge floor in mixed pure land pouring construction
After the completion will the upper surface to overpass mat formation and bituminous pavement and the such as construction such as stringing, plastering, bridge to be carried out to bottom surface
The transport of construction appliance, construction material between under face and bridge is quite inconvenient, and current mode is that worker pushes and is loaded with construction device
The cart of tool and construction raw material is transported from upper bridge mouth or lower bridge mouth, few then several hundred rice, far then several kilometers of distance,
But also climb and fall is wanted, labor intensity of workers is big, and influences the raising of working efficiency.
Summary of the invention
In order to solve shortcoming in the prior art, provide one kind can reduce labor intensity of workers, improves work the present invention
Make the mobile boom hoisting of the strong urban viaduct construction in later period of efficiency, security reliability.
In order to solve the above technical problems, the present invention adopts the following technical scheme: urban viaduct construction in later period is mobile
Boom hoisting, including the braced frame that upper entirety on the right side of the bridge floor of overpass is in rectangular shape is arranged in, braced frame includes
Lower horizontal frame, lower horizontal frame bottom are provided with support wheel, are vertically installed with column on lower horizontal frame, the upper end of the column is fixed
It is provided with horizontal frame, is provided at least two supporting beams at the top of upper horizontal frame along the longitudinal direction, supporting beam top is along a left side
The right side is horizontally arranged a boom, is cantilever design on the right side of boom, one is provided in every supporting beam for fixing
The manual positioning mechanism of boom, upper horizontal frame top front side horizontal are provided with mounting plate, are provided with hoist engine on mounting plate, hang
Arm right end is fixedly installed first pulley frame, is rotatably connected to first by horizontally disposed first pulley axis on first pulley frame
Fixed pulley, boom rear lateral portion are fixedly installed wirerope locking member at neighbouring first fixed pulley, and boom front side portion is in upper level
It is fixedly installed second pulley frame above frame, is rotatably connected on second pulley frame by the second pulley axis being vertically arranged
Second fixed pulley, upper horizontal frame top are provided with stand on rear side of boom, wirerope are wound on hoist engine, wirerope is led
Pull end is scheduled in stand after sequentially passing through the second fixed pulley, the first fixed pulley and wirerope locking member by U-shaped fixing, wirerope
On hook assembly for hanging weight is provided between the first fixed pulley and wirerope locking member；
Exhaust fan, cylinder, compressed air reservoir, exhausting motor and sucker, exhausting motor are provided on lower horizontal frame
Main shaft and the spindle drive of exhaust fan connect, cylinder is arranged in vertical, and sucker is located at below lower horizontal frame and sucker
Opening down setting, the lower end of cylinder connect by terminal pad with sucker top, and the lower port edge of sucker is provided with wear-resisting
Rubber ring is connected with the suction opening of exhaust fan at the top center of sucker, and the air outlet of exhaust fan is connected with tee tube, tee tube
First discharge pipe on be provided with the first air-valve and gas pressure charging valve, the air outlet of first discharge pipe and compressed air gas storage
Tank connection, compressed air reservoir are connect by tracheae and air-valve assembly with cylinder, are arranged on second discharge pipe of tee tube
There is the second air-valve.
The first positioning pin that Anti-rope drop is used for above the first fixed pulley is equipped on first pulley frame.
Hook assembly includes movable pulley, third pulley yoke and suspension hook, and movable pulley is rotatably connected on by third pulley spindle
On three pulley yokes, the setting of third pulley yoke lower part is used for the second positioning pin of Anti-rope drop, third there are two being located at below movable pulley
Pulley yoke bottom is fixedly installed plate in the horizontal direction, is provided with circular hole in the middle part of plate, suspension hook top is protruded into and is rotatablely connected
In circular hole, suspension hook upper end is fixedly installed the limited block above plate, and limited block is greater than circular hole.
Wirerope locking member includes U-shaped board, clapboard, third positioning pin and the 4th positioning pin, top, the bottom of U-shaped board
It is open with left side, it is fixedly connected on rear side of the forward upper and boom of U-shaped board, third positioning pin is located above the 4th positioning pin,
Third positioning pin and the 4th positioning pin are along the longitudinal direction horizontal through U-shaped board, distance of the third positioning pin apart from U-shaped board bottom
Distance greater than the 4th positioning pin apart from U-shaped board bottom, clapboard structure with a narrow upper and lower width, clapboard are extend into U-shaped board
And contacted with third positioning pin and the press of the 4th positioning pin on the left of clapboard, wirerope bottom along U-shaped board is worn from bottom to top
U-shaped board is crossed, the rear side of clapboard is contacted by wirerope with the press of U-shaped board bottom, the trailing flank of clapboard and the inner wall of U-shaped board
It is provided with the anti-skidding form friction pattern that wirerope closely crimps.
Manual positioning mechanism includes front vertical plate, back vertical plate, locking screw, handlebar, U-shaped washer, lower bearing pin and upper pin,
Front vertical plate and back vertical plate are vertically set on support top surface of the beam, and front vertical plate and back vertical plate are located at front side and the rear side of boom,
Back vertical plate is rotatably connected to pressing plate by hinge；
The open lower mounting groove in front side, rear side and top is offered among front vertical plate upper end, middle part is opened on front side of pressing plate
Equipped with the guide groove that top, bottom and front side are open, lower bearing pin passes through lower mounting groove along the longitudinal direction and is rotatably connected on pressure
On plate, the outer diameter of lower bearing pin is greater than the outer diameter of locking screw, locking screw along the radial direction of lower bearing pin pass through lower bearing pin and with
Lower bearing pin is threadedly coupled, and the centre of handlebar front end offers the open upper mounting groove in bottom and front side, in locking screw
End is located in upper mounting groove, and upper pin passes through locking screw in left-right direction and is rotatably connected on handlebar right part, upper pin
Outer diameter be less than locking screw outer diameter, U-shaped washer bottom be fixedly connected on pressing plate upper surface and be located at guide groove right above, U
Type washer is transparent and front side is open, and upper mounting groove, the inner hole of U-shaped washer, guide groove and lower mounting groove are corresponding in turn to up and down；
When locking screw is in plumbness, locking screw is sequentially located at mounting groove, U-shaped washer, guide groove and lower peace from top to bottom
The inside of tankage, the outer profile of the front end of handlebar from front side surface top to bottom are in gradually around the center line of upper pin
The variable diameter globoidal structure of increase, U-shaped bead top are provided with identical and press fit arc corresponding with variable diameter globoidal structure
Slot.
Pressing plate lower surface is provided with several for compressing the rubber block of boom upper surface；Handle rod rear end is folded upward at shape
At the portion that upwarps, pressing plate upper surface is provided with the elastic pressuring plate that can be horizontally rotated by fastening bolt, and elastic pressuring plate front end is provided with
The location hook of press fit is pressed with the portion of upwarping, and is provided with hand-held part on elastic pressuring plate.
It is provided between the front side and upper surface of support beam of front vertical plate, between the rear side and upper surface of support beam of back vertical plate
Stiffener plate.
Lower horizontal frame lower right side is provided with wheel carrier, is rotatably connected on wheel carrier and pushes up with the left side of bridge floor guardrail base
Press contacts and the position-limited wheel moved along the medial surface of bridge floor guardrail base；
One support wheel of lower horizontal frame bottom left is coaxial to be provided with driven sprocket, is provided on lower horizontal frame
Motor reducer, drive sprocket is provided on the power output shaft of motor reducer, and drive sprocket and driven sprocket pass through chain
Transmission connection.
By adopting the above technical scheme, the present invention is in work in use, since bridge floor is very smooth after casting concrete
, compressed air reservoir is cylinders providing power, and cylinder driving sucker is pressed on bridge floor, thus can be steady by braced frame
It is quietly fixed on bridge floor, so that the gravity for the weight for avoiding the suspension hook of boom right end from being lifted by crane is too big and tilts braced frame
To influence safe construction.The right side that overpass is reached on the right side of boom, if the left side of overpass bridge floor is arranged in the present invention, direction
Corresponding adjustment.Boom can be used square steel tube and be made, and square steel tube avoids rotating, and suspension hook is mounted weight (construction appliance
Or construction raw material), weight can be transported downwards from overpass or be lifted into weight on overpass from ground by manipulation hoist engine.
During weight transports upwards, when weight maintains an equal level with overpass bridge floor fastly, the worker on overpass holds one end and is provided with drawing
The stock of hook hooks suspension hook to Zola, and after weight is drawn to above the bridge floor of overpass, several workers take weight from suspension hook
It is lower.When weight transports downwards beginning, the weight on bridge floor is first suspended on suspension hook, hooks suspension hook using the stock with drag hook,
First weight is lifted up by manipulation hoist engine, after so that weight is left bridge floor, then manipulates hoist engine for weight slowly to whereabouts, stock
Suspension hook is slowly moved to the left to stable state, in this process, weight can be stablized slowly using the stock with drag hook
It falls, avoids weight from fiercely shaking and greater impact influence safety work is generated on boom.
Every a period of time, the air pressure in sucker can be increased, and start exhausting motor, close the first air-valve, open the second air-valve,
Exhaust fan in sucker to being evacuated, so that making the adsorption capacity of sucker enhances, it is ensured that the safety of construction.
After the completion of one of bridge floor place lifting weight, when needing the place of mobile lifting weight, cylinder is by sucker
It is lifted up, motor reducer starting, driving support wheel moves on bridge floor, and position-limited wheel is also along the left side of bridge floor guardrail base
Face, after movement in place, motor reducer stops, and cylinder is pressed onto sucker on bridge floor positions the present invention again.
In lifting weight operation process, position-limited wheel also functions to stronger supporting role, and braced frame is avoided to be tilted to the right.
The gravity of each equipment itself on lower horizontal frame also functions to the effect of balance crane arm sling arm lifting operation.
When air pressure is inadequate in compressed air reservoir, causes the driveability of cylinder to weaken, sucker can be prevented from firmly
Ground is adsorbed on bridge floor, needs to close the second air hose at this time, opens the first air-valve, and exhaust fan is empty to compression by gas boosting valve
Gas storage in gas air accumulator.
One end of wirerope is pulled by hoist engine in the present invention, and the other end of wirerope passes through U-shaped board, with one
One end that U-shaped card passes through the wirerope of U-shaped board is stuck in stand, prevents looseness of steel wire ropes, plays the role of ultimate insurance, so
Third positioning pin and the 4th positioning pin are installed in insertion in U-shaped board afterwards, and clapboard is from top to bottom inserted into U-shaped board, are used
Hammer pounds downwards the upper end of clapboard, contacts with third positioning pin and the press of the 4th positioning pin on the left of clapboard, clapboard
Rear side is contacted by wirerope with the press of U-shaped board bottom.Since the trailing flank of clapboard and the inner wall of U-shaped board are provided with steel wire
The anti-skidding form friction pattern that rope closely crimps, wirerope stress pull down clapboard, wirerope can be made firmly to lock in this way.
Boom in the present invention can carry out the adjusting of length according to actual position, and when adjusting can operate manual localization machine
Structure unclamps boom, then moves boom in left-right direction.The movable length of boom in place after, then manipulate manual positioning mechanism lock
Tight boom, specifically manipulates process are as follows: hand-held handlebar is rotated up by shaft of lower bearing pin, when locking screw turns to vertical configuration
When state, handlebar right part is located above U-shaped washer, and another hand presses down on pressing plate, make the rubber block of pressing plate lower surface to
Under press handlebar, then rotating handle bar drive locking screw rotation, since locking screw is threadedly coupled with lower bearing pin, lock
The rotation of screw rod just moves down the right part of handlebar, when handlebar right part and U-shaped washer contacts and rotate manually
When handlebar is relatively elaborate, the hand of pressing pressing plate is unclamped, pressing handlebar turns handlebar to left down with upper pin center line
It is dynamic, contact handlebar left end bottom with pressing plate upper surface, since the outer profile of the right part of handlebar surrounds in upper pin
Heart line is from right upper portion to left lower in the variable diameter globoidal structure being gradually increased, as handlebar turns left, handlebar
The outer profile of right part will be by U-shaped washer gradually clamping platen, and several rubber blocks of pressing plate lower surface setting will be into
One step presses the upper surface of boom, so that boom is fixed.The hand-held part on elastic pressuring plate finally is pulled with hand again, is driven
Elastic pressuring plate horizontally rotates by center line of fastening bolt, when touching when upwarping portion of handlebar left end, proposes elastic pressure upwards
Piece makes the location hook of elastic pressuring plate tightly suppress the portion that upwarps of handlebar downwards, can ensure that handlebar positioning is motionless in this way.
Since U-shaped bead top is provided with identical and press fit arc groove corresponding on variable diameter globoidal structure, this
One structure really will not can move forward the U-shaped washer of disengaging by handlebar lock stud in the case where motionless, to keep pressing plate firm
Ground presses boom, so that boom and braced frame is kept integral structure, to play good security reliability.
Stiffener plate plays the role of enhancing bonding strength between front vertical plate, back vertical plate and supporting beam, it is ensured that positioning boom
Reliability.In addition, two square steel tube side-by-sides can be welded as a whole in order to increase the intensity of boom, i.e. lifting capacity.Certainly,
Need the distance between appropriate adjustment front vertical plate and back vertical plate in this way to place two square steel tubes.
In conclusion the present invention has rational design, structure is simple, each spare and accessory parts are all made of the structure of separable assembled, with
With dress, there is certain lifting capacity, fixed property is good on the bridge floor of overpass, and can move along bridge floor, the side of installing
Just quick, it is frequently necessary to dismantle after use, passes through manual positioning mechanism for the ease of carrying and storing especially for boom
It is locked and is dismantled, not only security reliability is strong, but also quite convenient quick.It is applied in short, the present invention sufficiently lowers road
The labor intensity of worker, improves work efficiency in work, and safer and more reliable.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the enlarged drawing of braced frame in Fig. 1；
Fig. 3 is the top view of boom in Fig. 1；
Fig. 4 is the enlarged drawing in Fig. 1 at A；
Fig. 5 is the enlarged drawing in Fig. 3 at B
Fig. 6 is the left view of manual positioning mechanism in Fig. 1；
Fig. 7 is C direction view in Fig. 6.
Specific embodiment
As shown in Fig. 1-Fig. 7, the mobile boom hoisting of urban viaduct construction in later period of the invention, including be arranged in height
The upper whole braced frame 1 in rectangular shape, braced frame 1 include lower horizontal frame 47, are lauched on the right side of the bridge floor of bridge formation 68
47 bottom of flat frame is provided with support wheel 2, and column 48 is vertically installed on lower horizontal frame 47, and 48 upper end of column is fixedly installed
Upper horizontal frame 53, upper 53 top of horizontal frame are provided at least two supporting beams 3 along the longitudinal direction, and 3 top of supporting beam is along a left side
It is right it is horizontally arranged have a boom 4, be cantilever design on the right side of boom 4, one be provided in every supporting beam 3 for solid
Determine the manual positioning mechanism 5 of boom 4, upper 53 top front side horizontal of horizontal frame is provided with mounting plate 6, is provided on mounting plate 6
Hoist engine 7,4 right end of boom are fixedly installed first pulley frame 8, pass through horizontally disposed first pulley axis on first pulley frame 8
It is rotatably connected to the first fixed pulley 9,4 rear lateral portion of boom is fixedly installed wirerope locking member 10 at neighbouring first fixed pulley 9,
4 front side portion of boom is fixedly installed second pulley frame 11 above upper horizontal frame 53, passes through vertically on second pulley frame 11
The second pulley axis of setting is rotatably connected to the second fixed pulley 12, and upper 53 top of horizontal frame is provided with stand on rear side of boom 4
13, wirerope 14 is wound on hoist engine 7, and the drawing end of wirerope 14 sequentially passes through the second fixed pulley 12,9 and of the first fixed pulley
It is fixed in stand 13 after 14 locking member 10 of wirerope by U-shaped card 15, in the first fixed pulley 9 and wirerope 14 on wirerope 14
The hook assembly for hanging weight is provided between locking member 10；
Exhaust fan 50, cylinder 51, compressed air reservoir 52, exhausting motor 54 and sucker are provided on lower horizontal frame 47
55, the main shaft of exhausting motor 54 is connect with the spindle drive of exhaust fan 50, and cylinder 51 is arranged in vertical, under sucker 55 is located at
The opening down setting of 47 lower section of horizontal frame and sucker 55, the lower end of cylinder 51 at the top of terminal pad 56 and sucker 55 by connecting
It connects, the lower port edge of sucker 55 is provided with abrasive rubber ring, connects at the top center of sucker 55 with the suction opening of exhaust fan 50
It connects, the air outlet of exhaust fan 50 is connected with tee tube 57, is provided with 58 He of the first air-valve on first discharge pipe of tee tube 57
The air outlet of gas boosting valve 59, first discharge pipe is connect with compressed air reservoir 52, compressed air reservoir 52 and gas
Cylinder 51 is connected by tracheae and air-valve assembly, is provided with the second air-valve 60 on second discharge pipe of tee tube 57.
The first positioning pin 16 that Anti-rope drop is used for above the first fixed pulley 9 is equipped on first pulley frame 8.
Hook assembly includes movable pulley 17, third pulley yoke 18 and suspension hook 19, and movable pulley 17 is rotated by third pulley spindle
Be connected on third pulley yoke 18, the setting of 18 lower part of third pulley yoke there are two be located at below movable pulley 17 for Anti-rope drop the
Two positioning pins 20,18 bottom of third pulley yoke are fixedly installed plate 21 in the horizontal direction, are provided with circular hole in the middle part of plate 21, hang
19 top of hook is protruded into and is rotatably connected in circular hole, and 19 upper end of suspension hook is fixedly installed the limited block 22 above plate 21,
Limited block 22 is greater than circular hole.
14 locking member 10 of wirerope includes U-shaped board 23, clapboard 24, third positioning pin 25 and the 4th positioning pin 26, U-shaped board
23 top, bottom and left side are open, are fixedly connected on rear side of the forward upper and boom 4 of U-shaped board 23, third positioning pin 25
Above the 4th positioning pin 26, third positioning pin 25 and the 4th positioning pin 26 are along the longitudinal direction horizontal through U-shaped board 23, third
Distance of the positioning pin 25 apart from 23 bottom of U-shaped board is greater than distance of the 4th positioning pin 26 apart from 23 bottom of U-shaped board, and clapboard 24 is in
Structure wide at the top and narrow at the bottom, clapboard 24 is extend into U-shaped board 23 and 24 left side of clapboard is fixed with third positioning pin 25 and the 4th
The position press contact of pin 26, the bottom along U-shaped board 23 of wirerope 14 pass through U-shaped board 23 from bottom to top, and the rear side of clapboard 24 passes through
Wirerope 14 is contacted with the press of 23 bottom of U-shaped board, and the trailing flank of clapboard 24 and the inner wall of U-shaped board 23 are provided with wirerope 14
The anti-skidding form friction pattern closely crimped.
Manual positioning mechanism 5 includes front vertical plate 27, back vertical plate 28, locking screw 29, handlebar 30, U-shaped washer 31, lower pin
Axis 32 and upper pin 33, front vertical plate 27 and back vertical plate 28 are vertically set on 3 top surface of supporting beam, and front vertical plate 27 and back vertical plate 28 divide
Not Wei Yu boom 4 front side and rear side, back vertical plate 28 pressing plate 35 is rotatably connected to by hinge 34；
The open lower mounting groove 36 in front side, rear side and top, 35 front side of pressing plate are offered among 27 upper end of front vertical plate
Middle part offers the open guide groove 37 in top, bottom and front side, and lower bearing pin 32 passes through lower mounting groove 36 simultaneously along the longitudinal direction
It is rotatably connected on pressing plate 35, the outer diameter of lower bearing pin 32 is greater than the outer diameter of locking screw 29, and locking screw 29 is along lower bearing pin 32
Radial direction passes through lower bearing pin 32 and is threadedly coupled with lower bearing pin 32, and the centre of 30 front end of handlebar offers bottom and front side
Open upper mounting groove 38,29 upper end of locking screw are located in upper mounting groove 38, and upper pin 33 passes through locking in left-right direction
Screw rod 29 is simultaneously rotatably connected on 30 right part of handlebar, and the outer diameter of upper pin 33 is less than the outer diameter of locking screw 29, U-shaped washer 31
Bottom is fixedly connected on 35 upper surface of pressing plate and is located at right above guide groove 37, and U-shaped washer 31 is transparent and front side is open, on
Mounting groove 38, the inner hole of U-shaped washer 31, guide groove 37 and about 36 lower mounting groove are corresponding in turn to；Locking screw 29 is in vertical
When state, locking screw 29 is sequentially located at mounting groove 38, U-shaped washer 31, guide groove 37 and lower mounting groove 36 from top to bottom
Inside, the outer profile of the front end of handlebar 30 are in gradually to increase from front side surface top to bottom around the center line of upper pin 33
Big variable diameter globoidal structure 39 is provided with coincide and press fit corresponding with variable diameter globoidal structure 39 at the top of U-shaped washer 31
Arc groove 40.
35 lower surface of pressing plate is provided with several for compressing the rubber block 41 of 4 upper surface of boom；30 rear end of handlebar to
On be bent to form the portion of upwarping 42,35 upper surface of pressing plate is provided with the elastic pressuring plate 43 that can be horizontally rotated, bullet by fastening bolt 49
Property 43 front end of tabletting be provided with and upwarp the location hook 44 that portion 42 presses press fit, be provided with hand-held part on elastic pressuring plate 43
45。
Between 3 upper surface of front side and supporting beam of front vertical plate 27, between 3 upper surface of the rear side of back vertical plate 28 and supporting beam
It is provided with stiffener plate 46.
It is provided with wheel carrier 61 on the right side of lower 47 lower part of horizontal frame, is rotatably connected on wheel carrier 61 and bridge floor guardrail base 62
The position-limited wheel 63 that left side press is contacted and moved along the medial surface of bridge floor guardrail base 62；
One support wheel 2 of lower 47 bottom left of horizontal frame is coaxial to be provided with driven sprocket 64, lower horizontal frame 47
On be provided with motor reducer 65, be provided with drive sprocket 66 on the power output shaft of motor reducer 65, drive sprocket 66 with
Driven sprocket 64 is sequentially connected by chain 67.
The present invention is in work in use, since bridge floor is very smooth, compressed air reservoir after casting concrete
52 provide power for cylinder 51, and cylinder 51 drives sucker 55 to be pressed on bridge floor, thus can be steadily fixed by braced frame 1
On bridge floor, so that the gravity for the weight for avoiding the suspension hook 19 of 4 right end of boom from being lifted by crane is too big and braced frame 1 is made to stick up shadow
Ring safe construction.The right side of overpass 68 is reached on the right side of boom 4, if the left side of 68 bridge floor of overpass is arranged in the present invention, side
It is adjusted to corresponding.Boom 4 can be used square steel tube and be made, and square steel tube avoids rotating, and suspension hook 19 is mounted weight (construction
Utensil or construction raw material), weight can be transported downwards from overpass 68 or weight is lifted into height from ground by manipulation hoist engine 7
On bridge formation 68.During weight transports upwards, when weight maintains an equal level with 68 bridge floor of overpass fastly, the worker on overpass 68 is hand-held
The stock that one end is provided with drag hook hooks suspension hook 19 to Zola, after weight is drawn to above the bridge floor of overpass 68, several workers
Weight is removed from suspension hook 19.When weight transports downwards beginning, the weight on bridge floor is first suspended on suspension hook 19, uses band
The stock of drag hook hooks suspension hook 19, first manipulates hoist engine 7 and is lifted up weight, after so that weight is left bridge floor, then manipulates elevator
For machine 7 by weight slowly to whereabouts, suspension hook 19 is slowly moved to the left to stable state by stock, in this process, uses band
The stock of drag hook can stablize weight and slowly fall, and avoid weight from fiercely shaking and generate greater impact influence safety work to boom 4
Industry.
Every a period of time, the air pressure in sucker 55 can be increased, and start exhausting motor 54, close the first air-valve 58, open the
Two air-valves 60, exhaust fan 50 in sucker 55 to being evacuated, so that making the adsorption capacity of sucker 55 enhances, it is ensured that the safety of construction
Property.
After the completion of lifting weight in a place of bridge floor, when needing the place of mobile lifting weight, cylinder 51 will be inhaled
Disk 55 is lifted up, and motor reducer 65 starts, and driving support wheel 2 moves on bridge floor, and position-limited wheel 63 is also along bridge floor guardrail bottom
The left side of seat 62, after movement in place, motor reducer 65 stops, and cylinder 51 is pressed onto sucker 55 on bridge floor again determines the present invention
Position.
In lifting weight operation process, position-limited wheel 63 also functions to stronger supporting role, avoids braced frame 1 to Right deviation
Tiltedly.The gravity of each equipment itself on lower horizontal frame 47 also functions to the effect of balance 4 cantilever lifting operation of boom.
When air pressure is inadequate in compressed air reservoir 52, causes the driveability of cylinder 51 to weaken, sucker 55 can be made not
It can firmly be adsorbed on bridge floor, need to close the second air hose at this time, open the first air-valve 58, exhaust fan 50 passes through gas boosting
The gas storage into compressed air reservoir 52 of valve 59.
One end of wirerope 14 is pulled by hoist engine 7 in the present invention, and the other end of wirerope 14 passes through U-shaped board
23, it is stuck in stand 13 with one end that a U-shaped card 15 passes through the wirerope 14 of U-shaped board 23, prevents wirerope 14 from loosening, risen
To the effect of ultimate insurance, then third positioning pin 25 and the 4th positioning pin 26, clapboard 24 are installed in insertion in U-shaped board 23
It is from top to bottom inserted into U-shaped board 23, pounds the upper end of clapboard 24 downwards using hammer, 24 left side of clapboard is positioned with third
The rear side of pin 25 and the press contact of the 4th positioning pin 26, clapboard 24 is contacted by wirerope 14 with the press of 23 bottom of U-shaped board.By
The anti-skidding form friction pattern that wirerope 14 closely crimps, wirerope are provided in the trailing flank of clapboard 24 and the inner wall of U-shaped board 23
14 stress pull down clapboard 24, wirerope 14 can be made firmly to lock in this way.
Boom 4 in the present invention can carry out the adjusting of length according to actual position, and when adjusting can operate manual positioning
Mechanism 5 unclamps boom 4, then moves boom 4 in left-right direction.The movable length of boom 4 in place after, then manipulate manual positioning
Mechanism 5 locks boom 4, specifically manipulates process are as follows: hand-held handlebar 30 is rotated up with lower bearing pin 32 for shaft, works as locking screw
29 when turning to plumbness, and 30 right part of handlebar is located at U-shaped 31 top of washer, and another hand presses down on pressing plate 35, makes
The rubber block 41 of 35 lower surface of pressing plate presses downwards handlebar 30, and then rotating handle bar 30 drives locking screw 29 to rotate, by
It being threadedly coupled in locking screw 29 with lower bearing pin 32, the rotation of locking screw 29 just moves down the right part of handlebar 30,
When the right part of handlebar 30 is contacted with U-shaped washer 31 and manual rotational handle bar 30 is relatively elaborate, pressing pressing plate 35 is unclamped
Hand, pressing handlebar 30 rotate handlebar 30 to left down with 33 center line of upper pin, make 30 left end bottom of handlebar and
35 upper surface of pressing plate contact, due to handlebar 30 right part outer profile around upper pin 33 center line from right upper portion to
Left lower is in the variable diameter globoidal structure 39 being gradually increased, as handlebar 30 turns left, outside the right part of handlebar 30
Profile will be by U-shaped washer 31 gradually clamping platen 35, several rubber blocks 41 of 35 lower surface of pressing plate setting will be into one
Step presses the upper surface of boom 4, so that boom 4 is fixed.The hand-held part 45 on elastic pressuring plate 43 finally is pulled with hand again,
Driving elastic pressuring plate 43 is that center line horizontally rotates with fastening bolt 49, when touching when upwarping portion 42 of 30 left end of handlebar,
Elastic pressuring plate 43 is mentioned upwards, makes what the location hook 44 of elastic pressuring plate 43 tightly suppressed downwards handlebar 30 to upwarp portion 42, it in this way can be true
Guarantor's handlebar 30 positions motionless.
Due to being provided with identical and press fit arc groove corresponding on variable diameter globoidal structure 39 at the top of U-shaped washer 31
40, this structure really will not can move forward the U-shaped washer 31 of disengaging by lock stud in the case where motionless of handlebar 30, to make
Pressing plate 35 securely presses boom 4, so that boom 4 and braced frame 1 is kept integral structure, to play good security reliability.
Stiffener plate 46 plays the role of enhancing bonding strength between front vertical plate 27, back vertical plate 28 and supporting beam 3, it is ensured that fixed
The reliability of position boom 4.In addition, two square steel tube side-by-sides can be welded as one to increase the intensity of boom 4, i.e. lifting capacity
Body.Certainly, the distance between appropriate adjustment front vertical plate 27 and back vertical plate 28 are needed in this way to place two square steel tubes.
The present embodiment not makes any form of restriction shape of the invention, material, structure etc., all according to this hair
Bright technical spirit any simple modification, equivalent change and modification to the above embodiments, belong to the technology of the present invention side
The protection scope of case.
Claims (6)
1. the mobile boom hoisting of urban viaduct construction in later period, it is characterised in that: the bridge floor including overpass is arranged in is right
It is integrally in the braced frame of rectangular shape on side, braced frame includes lower horizontal frame, and lower horizontal frame bottom is provided with branch
Support is taken turns, and column is vertically installed on lower horizontal frame, and the upper end of the column is fixedly installed horizontal frame, edge at the top of upper horizontal frame
Front-rear direction is provided at least two supporting beams, and supporting beam top is provided with a boom, boom right side along left and right horizontal direction
For cantilever design, one is provided in every supporting beam for fixing the manual positioning mechanism of boom, at the top of upper horizontal frame
Front side horizontal is provided with mounting plate, and hoist engine is provided on mounting plate, and boom right end is fixedly installed first pulley frame, and first is sliding
The first fixed pulley is rotatably connected to by horizontally disposed first pulley axis on wheel carrier, boom rear lateral portion is in neighbouring first fixed pulley
Place is fixedly installed wirerope locking member, and boom front side portion is fixedly installed second pulley frame above upper horizontal frame, and second
The second fixed pulley is rotatably connected to by the second pulley axis being vertically arranged on pulley yoke, upper horizontal frame top is after boom
Side is provided with stand, and wirerope is wound on hoist engine, and the drawing end of wirerope sequentially passes through the second fixed pulley, the first fixed pulley
It is scheduled in stand with after wirerope locking member by U-shaped fixing, on wirerope between the first fixed pulley and wirerope locking member
It is provided with the hook assembly for hanging weight；
Exhaust fan, cylinder, compressed air reservoir, exhausting motor and sucker, the master of exhausting motor are provided on lower horizontal frame
The connection of the spindle drive of axis and exhaust fan, cylinder is arranged in vertical, and sucker is located at below lower horizontal frame and sucker is opened
Mouth down setting, by connecting at the top of terminal pad and sucker, the lower port edge of sucker is provided with abrasive rubber for the lower end of cylinder
Ring is connected with the suction opening of exhaust fan at the top center of sucker, and the air outlet of exhaust fan is connected with tee tube, and the of tee tube
The first air-valve and gas pressure charging valve are provided on one discharge pipe, the air outlet and compressed air reservoir of first discharge pipe connect
It connects, compressed air reservoir is connect with cylinder by tracheae and air-valve assembly, and is provided on second discharge pipe of tee tube
Two air-valves；
The first positioning pin that Anti-rope drop is used for above the first fixed pulley is equipped on first pulley frame；
Hook assembly includes movable pulley, third pulley yoke and suspension hook, and movable pulley is rotatably connected on third by third pulley spindle and slides
On wheel carrier, the setting of third pulley yoke lower part is used for the second positioning pin of Anti-rope drop, third pulley there are two being located at below movable pulley
Frame bottom is fixedly installed plate in the horizontal direction, is provided with circular hole in the middle part of plate, suspension hook top is protruded into and is rotatably connected on circle
In hole, suspension hook upper end is fixedly installed the limited block above plate, and limited block is greater than circular hole.
2. the mobile boom hoisting of urban viaduct construction in later period according to claim 1, it is characterised in that: wirerope
Locking member includes U-shaped board, clapboard, third positioning pin and the 4th positioning pin, and the top of U-shaped board, bottom and left side are open, U
It is fixedly connected on rear side of the forward upper of template and boom, third positioning pin is located at the 4th positioning pin top, third positioning pin and the
For four positioning pins along the longitudinal direction horizontal through U-shaped board, distance of the third positioning pin apart from U-shaped board bottom is greater than the 4th positioning pin
Distance apart from U-shaped board bottom, clapboard structure with a narrow upper and lower width, clapboard is extend into U-shaped board and clapboard left side is equal
It is contacted with third positioning pin and the press of the 4th positioning pin, wirerope bottom along U-shaped board passes through U-shaped board, clapboard from bottom to top
Rear side pressed and contact by wirerope and U-shaped board bottom, the trailing flank of clapboard and the inner wall of U-shaped board are provided with wirerope
The anti-skidding form friction pattern closely crimped.
3. the mobile boom hoisting of urban viaduct construction in later period according to claim 1, it is characterised in that: fixed manually
Position mechanism includes front vertical plate, back vertical plate, locking screw, handlebar, U-shaped washer, lower bearing pin and upper pin, front vertical plate and back vertical plate
It is vertically set on support top surface of the beam, front vertical plate and back vertical plate are located at front side and the rear side of boom, and back vertical plate passes through hinge
It is rotatably connected to pressing plate；
The open lower mounting groove in front side, rear side and top is offered among front vertical plate upper end, middle part offers on front side of pressing plate
The open guide groove in top, bottom and front side, lower bearing pin pass through lower mounting groove along the longitudinal direction and are rotatably connected on pressing plate,
The outer diameter of lower bearing pin is greater than the outer diameter of locking screw, and locking screw passes through lower bearing pin and and lower bearing pin along the radial direction of lower bearing pin
It is threadedly coupled, the centre of handlebar front end offers the open upper mounting groove in bottom and front side, and locking screw upper end is located at
In upper mounting groove, upper pin passes through locking screw in left-right direction and is rotatably connected on handlebar right part, the outer diameter of upper pin
Less than the outer diameter of locking screw, U-shaped washer bottom is fixedly connected on pressing plate upper surface and is located at right above guide groove, U-shaped washer
Transparent and front side is open, and upper mounting groove, the inner hole of U-shaped washer, guide groove and lower mounting groove are corresponding in turn to up and down；Lock spiral shell
When bar is in plumbness, locking screw is sequentially located at mounting groove, U-shaped washer, guide groove and lower mounting groove from top to bottom
Inside, the outer profile of the front end of handlebar are in be gradually increased from front side surface top to bottom around the center line of upper pin
Variable diameter globoidal structure, U-shaped bead top are provided with identical and press fit arc groove corresponding with variable diameter globoidal structure.
4. the mobile boom hoisting of urban viaduct construction in later period according to claim 3, it is characterised in that: under pressing plate
Surface is provided with several for compressing the rubber block of boom upper surface；Handle rod rear end is folded upward to form the portion of upwarping, pressing plate
Upper surface is provided with the elastic pressuring plate that can be horizontally rotated by fastening bolt, and elastic pressuring plate front end is provided with and the portion's of upwarping press is pressed
The location hook of cooperation is connect, is provided with hand-held part on elastic pressuring plate.
5. the mobile boom hoisting of urban viaduct construction in later period according to claim 4, it is characterised in that: front vertical plate
Front side and upper surface of support beam between, between the rear side and upper surface of support beam of back vertical plate be provided with stiffener plate.
6. the mobile boom hoisting of urban viaduct construction in later period according to claim 1, it is characterised in that: lower level
It is provided with wheel carrier on the right side of lower frame, is rotatably connected on wheel carrier and contacts and with the press of the left side of bridge floor guardrail base along bridge floor
The mobile position-limited wheel of the medial surface of guardrail base；
One support wheel of lower horizontal frame bottom left is coaxial to be provided with driven sprocket, is provided with motor on lower horizontal frame
Speed reducer, drive sprocket is provided on the power output shaft of motor reducer, and drive sprocket and driven sprocket pass through chain drive
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710743704.1A CN107298393B (en) | 2017-08-25 | 2017-08-25 | The mobile boom hoisting of urban viaduct construction in later period |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710743704.1A CN107298393B (en) | 2017-08-25 | 2017-08-25 | The mobile boom hoisting of urban viaduct construction in later period |
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| CN107298393A CN107298393A (en) | 2017-10-27 |
| CN107298393B true CN107298393B (en) | 2019-10-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108100894A (en) * | 2018-01-25 | 2018-06-01 | 中交第三航务工程局有限公司宁波分公司 | The short tower crane equipment of low speed and system |
| CN111847275B (en) * | 2020-08-03 | 2022-04-15 | 武汉华中宏宇科技有限公司 | Intelligent lock for lifting arm of crane |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006056640A (en) * | 2004-08-18 | 2006-03-02 | Kenji Kusano | Rough terrain crane |
| US8875829B2 (en) * | 2012-07-09 | 2014-11-04 | Kobelco Cranes Co., Ltd. | Construction machine |
| CN205442364U (en) * | 2015-12-09 | 2016-08-10 | 天津万通包装有限公司 | Hang and inhale device |
| CN206088814U (en) * | 2016-09-09 | 2017-04-12 | 浙江海洋大学 | Port crane |
| CN106957016A (en) * | 2017-05-18 | 2017-07-18 | 赵钊 | A kind of roller chain wheel dual-purpose type hoisting apparatus |
| CN207108307U (en) * | 2017-08-25 | 2018-03-16 | 黄河科技学院 | The portable boom hoisting of urban viaduct construction in later period |
-
2017
- 2017-08-25 CN CN201710743704.1A patent/CN107298393B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006056640A (en) * | 2004-08-18 | 2006-03-02 | Kenji Kusano | Rough terrain crane |
| US8875829B2 (en) * | 2012-07-09 | 2014-11-04 | Kobelco Cranes Co., Ltd. | Construction machine |
| CN205442364U (en) * | 2015-12-09 | 2016-08-10 | 天津万通包装有限公司 | Hang and inhale device |
| CN206088814U (en) * | 2016-09-09 | 2017-04-12 | 浙江海洋大学 | Port crane |
| CN106957016A (en) * | 2017-05-18 | 2017-07-18 | 赵钊 | A kind of roller chain wheel dual-purpose type hoisting apparatus |
| CN207108307U (en) * | 2017-08-25 | 2018-03-16 | 黄河科技学院 | The portable boom hoisting of urban viaduct construction in later period |
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| CN107298393A (en) | 2017-10-27 |
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Inventor after: Lu Suqing Inventor after: Liu Beibei Inventor before: Lu Su Qing |
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Granted publication date: 20191029 Termination date: 20200825 |