CN107915157A - A kind of floor mast - Google Patents
A kind of floor mast Download PDFInfo
- Publication number
- CN107915157A CN107915157A CN201711341999.6A CN201711341999A CN107915157A CN 107915157 A CN107915157 A CN 107915157A CN 201711341999 A CN201711341999 A CN 201711341999A CN 107915157 A CN107915157 A CN 107915157A
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- CN
- China
- Prior art keywords
- support
- arm
- mast
- climbing
- jib
- Prior art date
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- 230000009194 climbing Effects 0.000 claims abstract description 73
- 230000003362 replicative effect Effects 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 230000000875 corresponding effect Effects 0.000 claims 2
- 238000005096 rolling process Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
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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
- B66C23/06—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 with jibs mounted for jibbing or luffing movements
-
- 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
- B66C23/16—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 with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
- B66C23/163—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 with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements where only part of the column rotates, i.e. at least the bottom part is fixed
-
- 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
- B66C23/26—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 for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/28—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 for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
- B66C23/30—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 for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of telescopic elements
-
- 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
- B66C23/26—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 for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
- B66C23/342—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes with telescopic elements
-
- 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
-
- 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
- B66C23/82—Luffing gear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a kind of floor mast, including towing frame, climbing support, pole main body, revolving platform and arm support, the pole main body of height can be adjusted based on climbing support by being equipped with climbing support, revolving platform is equipped with the upper end of pole main body, arm support is divided into crane arm and counter-jib, the rearward end of counter-jib is equipped with counterweight, and replicating structure is equipped between arm support and pole main body：Mast is vertically equipped with the upper end of revolving platform, the upper end of mast is connected the support zone to form arm support with arm support by arm support shaft, mast and the corresponding one side of counter-jib are the inclined plane mutually agreed with, the arm support device of rotation driving that arm support is rotated around arm support shaft can be made by being equipped between arm support and mast, movable connecting rod is equipped between the rearward end and mast foot of counter-jib, it is collectively forming with mast and consolidates support to the triangle of arm support.It has the features such as installing and dismounting is quick, and work efficiency is high, safe and reliable, and running cost is low.
Description
Technical field
The present invention relates to power transmission tower to install Special Hoisting Equipment technical field.
Background technology
Floor mast for power transmission tower installation is typically erected inside power transmission tower.Demolishing process after use
In, face and how to recycle arm support, so that the problem of dropping to ground by the opening at the top of power transmission tower with small cross sections.Solution at present
Method certainly mainly recycles forward and backward arm support in pole body top setting mast, dismounting to mast centre respectively, then
Decline.The positive effect in large and medium-sized power transmission tower operation of this method, but for small-sized power transmission tower, since open top is smaller,
Using such a receipts arm method, the structural section after recycling is larger, it is difficult to passes through the opening at the top of power transmission tower.
The single-piece quality of usual floor mast is larger, and installing and dismounting needs in addition to carry out using lifting equipment auxiliary.This is just
Add the equipment and time loss of assembly and disassembly.If it can not complete to dismantle by extra lifting equipment, it will help raising is set
The standby efficiency and benefit used.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of floor mast, it has installation and removes convenient, fast, work
Make the features such as efficient.
In order to solve the above technical problems, the technical solution used in the present invention is：
A kind of floor mast, including frame, climbing support, pole main body, revolving platform and arm support are towed, tow frame and climbed by that can make
Rise frame and be in climbing to erect and pulling driving device and be connected with climbing support for horizontal positioned state or vertical operation state, on climbing support
Equipped with the pole main body that height can be adjusted based on climbing support, revolving platform is equipped with the upper end of pole main body, arm support is by it
Support zone is demarcated, and is divided into crane arm and counter-jib, the rearward end of counter-jib is equipped with counterweight, is equipped between arm support and pole main body
Replicating structure：Mast is vertically equipped with the upper end of revolving platform, the upper end of mast is connected to form arm with arm support by arm support shaft
The support zone of frame, arm support shaft are set in the width of arm support, and mast mutually agrees with the corresponding one side of counter-jib
Inclined plane, the arm support device of rotation driving that arm support is rotated around arm support shaft can be made by being equipped between arm support and mast, in counter-jib
Rearward end and mast foot between be equipped with movable connecting rod, it is collectively forming with mast and consolidates support to the triangle of arm support.
The present invention further improvement lies in that：
Arm support device of rotation driving includes the first piston formula executing agency being arranged on mast, and first piston formula performs machine
The piston rod end of structure rotates the top of linkage structure and mast by arm support and the front bottom end shaft of counter-jib connects, arm support
Rotating linkage structure includes the first arc panel and the second arc panel, and the arc of the first arc panel is face-up, its left end and first is lived
The piston rod end shaft connection of plug executing agency, its right end are connected with mast shaft, and the second arc panel arcwall face direction is flat
The rear end of weighing apparatus arm, its lower end are connected with the middle part shaft of the first arc panel, the front bottom end shaft connection of the upper end and counter-jib,
Crane arm is equipped with side folded structure：Crane arm is rotated by the support arm of rear end and the side folding arm of front end by side arm shaft
Link together, side arm shaft is located at the same side of support arm and side folding arm, and side can be made by being equipped between support arm and side folding arm
Folding arm is rotated around side arm shaft so that driving device is rolled in support arm and the side of side folding arm overlapping.
Side folding driving device includes the second piston formula executing agency being arranged on support arm, second piston formula executing agency
Piston rod end pass through the rearward end of front end and side folding arm that linkage structure and support arm are rolled in side and be rotatablely connected, side folding linkage
Structure includes the first articulated slab and the second articulated slab, and the first articulated slab is the integrative-structure being made of rake and extension, is inclined
Inclined portion is tilted from rear end in front of the side of support arm, thereafter end and the piston rod front end of second piston formula executing agency
Portion's shaft connection, extension are stretched out by rake front end towards support arm side and are connected with support arm shaft, and second is hinged
Plate is the arc panel of arc forward-facing, and the rearward end of the second articulated slab connects with extension shaft of first articulated slab close to rake
Connect, the front end of the second articulated slab is connected with the rearward end shaft of side folding arm, when the piston rod of second piston formula executing agency is stretched
Going out to drive the first articulated slab, the first articulated slab drives the reach of the second articulated slab, so that the second articulated slab band when moving forwards
Dynamic side folding arm is rotated around side arm shaft to the direction opposite with second piston formula executing agency, produces the action of side folding.
Climb to erect and pull driving device and include four bar followers and climbing support pulling mechanism, four bar followers include pair
Claim a pair of of the short connecting rod for being arranged on a pair of of long connecting rod at left and right sides of climbing support and being symmetricly set at left and right sides of climbing support, four
The upper end of connecting rod and the front side portion shaft of climbing support connect, and the lower end of four connecting rods is stretched to rear and is connected with towing frame shaft, and one
The climbing support connecting pin of a pair of of short connecting rod is higher than to the climbing support connecting pin of long connecting rod, a pair of of long connecting rod tows frame connecting pin position
In the rear for towing frame connecting pin of a pair of of short connecting rod, the rear end of climbing support pulling mechanism, which is arranged on, to be towed on frame, and front end is set
In the bottom of climbing support, for the bottom anteroposterior direction displacement of climbing support, make climbing support under the support of four bar followers
Keep horizontal positioned state or vertical operation state.
Climbing support pulling mechanism includes being horizontally set on towing on frame, and the 3rd piston type at piston rod towards rear performs machine
Structure, on frame is towed, a pair of of fixed groove roller is symmetrical set close to the front end of climbing support, machine is performed in the 3rd piston type
The piston rod end of structure is symmetrical set the corresponding movable groove roller of a pair of and a pair of of fixed groove roller, further includes one
To drag-line, one end of a pair of of drag-line, which is fixed on, to be towed on frame, and the other end of a pair of of drag-line is recessed around a pair of of activity by bottom backward
Grooved roller is turned back forward again
Bottom by a pair of of fixed groove roller is upward, then is fixedly connected with the bottom of climbing support.
Climbing support pulling mechanism is electric wire rope executing agency, and electric wire rope executing agency, which is fixed on, to be towed on frame,
The steel wire rope connecting pin of electric wire rope executing agency is fixedly connected with the bottom of climbing support.
Counter-jib is fixedly connected by counter-jib rear portion with counter-jib front portion by the pin shaft connection structure of setting symmetrical above and below
Together, after the hinge pin disassembling of top, counter-jib rear portion is hinged by lower section axis pin with counter-jib front portion.
It is using beneficial effect caused by above-mentioned technical proposal：
For the present invention by setting replicating structure between arm support and pole main body, crane arm sets side folded structure, counter-jib
It is fixed together by counter-jib rear portion and counter-jib front portion by the pin shaft connection structure of setting symmetrical above and below, utilizes landing
The driving equipment that pole carries can make floor mast in the recycling operation process after use as power, make arm support from
Opening at the top of the power transmission tower of small cross sections drops to ground, folds most of component and is integrated overall delivery, is filled without splitting
Car, therefore also without extra lifting equipment.It is not required extra lifting equipment to aid in.By pulling driving dress to climbing to erect
The improvement put, can make pole main body fast and safely be efficiently completed the conversion by horizontal positioned state to vertical operation state, it
It is quick with installing and dismounting, the features such as work efficiency is high, safe and reliable, and running cost is low.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structure diagram of arm support replicating structure in Fig. 1；
Fig. 3 is the structure diagram of arm support in Fig. 1；
Fig. 4 is the structure diagram of crane arm side folded structure in Fig. 3；
Fig. 5 is to climb to erect the structure diagram for pulling driving device in Fig. 1；
Fig. 6-Figure 12 is application method structure diagram of the present invention.
In the accompanying drawings：1st, frame is towed；2nd, climbing support；3rd, pole main body；4th, revolving platform；5th, arm support；5-1, crane arm；5-1-
1st, support arm；5-1-2, side folding arm；5-1-3, side arm shaft；5-2, counter-jib；5-2-1, top pivot pin；5-2-2, lower square cotter
Axis；5-3, counterweight；6th, mast；7th, arm support shaft；8th, movable connecting rod；9th, first piston formula executing agency；10th, the first arc
Plate；11st, the second arc panel；12nd, second piston formula executing agency；13rd, the first articulated slab；14th, the second articulated slab；15th, long connecting rod；
16th, short connecting rod；17th, the 3rd piston actuator；18th, fixed groove roller；19th, movable groove roller；20th, drag-line；21st, it is defeated
Pylon.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be described in further detail.
From the embodiment shown in Fig. 1-5, the present embodiment includes towing frame 1, climbing support 2, pole main body 3, revolving platform 4
With arm support 5, frame 1 is towed by the way that climbing support 2 can be made to be in climbing to erect and pulling driving for horizontal positioned state or vertical operation state
Device is connected with climbing support 2, the pole main body 3 that height can be adjusted based on climbing support 2 is equipped with climbing support 2, in pole
The upper end of main body 3 is equipped with revolving platform 4, and arm support 5 is supported by it position boundary, is divided into crane arm 5-1 and counter-jib 5-2, balances
The rearward end of arm 5-2 is equipped with counterweight 5-3, and replicating structure is equipped between arm support 5 and pole main body 3：It is vertical in the upper end of revolving platform 4
Equipped with mast 6, upper end and the arm support 5 of mast 6 are connected the support zone to form arm support 5, arm support shaft 7 by arm support shaft 7
Set in the width of arm support 5, the corresponding one sides of mast 6 and counter-jib 5-2 are the inclined plane mutually agreed with, in arm support 5 and
Between mast 6 be equipped with can make the arm support device of rotation driving that arm support 5 is rotated around arm support shaft 7, counter-jib 5-2 rearward end and
Movable connecting rod 8 is equipped between 6 bottom of mast, it is collectively forming with mast 6 and consolidates support to the triangle of arm support 5.
Arm support device of rotation driving includes the first piston formula executing agency 9 being arranged on mast 6, and first piston formula performs
The piston rod end of mechanism 9 rotates the top of linkage structure and mast 6 by arm support and the front bottom end shaft of counter-jib 5-2 connects
Connecing, arm support, which rotates linkage structure, includes the first arc panel 10 and the second arc panel 11, and the arc of the first arc panel 10 is face-up, its
Left end is connected with the piston rod end shaft of first piston formula executing agency 9, its right end is connected with 6 shaft of mast, the second arc
11 arcwall face of plate is connected towards the rear end of counter-jib 5-2, its lower end with the middle part shaft of the first arc panel 10, the upper end and balance
The front bottom end shaft connection of arm 5-2,
Crane arm 5-1 is equipped with side folded structure：Crane arm 5-1 is by the support arm 5-1-1 of rear end and the side folding arm 5-1-2 of front end
It is rotatably connected by side arm shaft 5-1-3, side arm shaft 5-1-3 is located at the same of support arm 5-1-1 and side folding arm 5-1-2
Side, between support arm 5-1-1 and side folding arm 5-1-2 be equipped with can make side folding arm 5-1-2 around side arm shaft 5-1-3 rotate so that
The side folding driving device of support arm 5-1-1 and side folding arm 5-1-2 overlappings.
Side folding driving device includes the second piston formula executing agency 12 being arranged on support arm 5-1-1, second piston formula
After the piston rod end of executing agency 12 rolls over the front end and side folding arm 5-1-2 of linkage structure and support arm 5-1-1 by side
End is rotatablely connected, and side folding linkage structure includes the first articulated slab 13 and the second articulated slab 14, and the first articulated slab 13 is by tilting
Portion and the integrative-structure of extension composition, rake are tilted from rear end in front of the side of support arm 5-1-1, thereafter end
It is connected with the piston rod front end shaft of second piston formula executing agency 12, extension is by rake front end towards support arm 5-
1-1 sides are stretched out and are connected with support arm shaft, and the second articulated slab 14 is the arc panel of arc forward-facing, the second articulated slab 14
Rearward end is connected with extension shaft of first articulated slab 13 close to rake, front end and the side folding arm 5- of the second articulated slab 14
The rearward end shaft connection of 1-2, the first articulated slab 13 is driven forwards when the piston rod of second piston formula executing agency 12 stretches out
When mobile, the first articulated slab 13 drives the second articulated slab 14 to move forward, so that the second articulated slab 14 drives side folding arm 5-1-2 around side
Arm shaft 5-1-3 is rotated to the direction opposite with second piston formula executing agency 12, produces the action of side folding.
Climb to erect and pull driving device and include four bar followers and climbing support pulling mechanism, four bar followers include pair
Claim a pair of of the long connecting rod 15 for being arranged on the left and right sides of climbing support 2 and a pair of of the short connecting rod for being symmetricly set on the left and right sides of climbing support 2
16, the upper end of four connecting rods is connected with the front side portion shaft of climbing support 2, and rear is stretched to towing 1 turn of frame in the lower end of four connecting rods
Axis connection, the climbing support connecting pin of a pair of of long connecting rod 15 are higher than the climbing support connecting pin of a pair of of short connecting rod 16, a pair of of long connecting rod 15
The rear for towing frame connecting pin for towing frame connecting pin and being located at a pair of of short connecting rod 16, the rear end of climbing support pulling mechanism is arranged on
Tow on frame, front end is arranged on the bottom of climbing support 2, for the bottom anteroposterior direction displacement of climbing support 2, climbing support 2 is existed
Horizontal positioned state or vertical operation state are kept under the support of four bar followers.
Climbing support pulling mechanism includes being horizontally set on towing on frame 1, and the 3rd piston type at piston rod towards rear performs
Mechanism 17, on frame 1 is towed, is symmetrical set a pair of of fixed groove roller 18, in the 3rd piston close to the front end of climbing support 2
The piston rod end of formula executing agency 17 is symmetrical set a pair of and a pair of of 18 corresponding movable groove of fixed groove roller
Roller 19, further includes a pair of of drag-line 20, and one end of a pair of of drag-line 20, which is fixed on, to be towed on frame 1, the other end of a pair of of drag-line 20 to
A pair of of movable groove roller 19 is bypassed by bottom afterwards to turn back again forward
Bottom by a pair of of fixed groove roller 18 is upward, then is fixedly connected with the bottom of climbing support 2.
Climbing support pulling mechanism can also use electric wire rope executing agency (model：SKD-800/FYT), steel wire rope electricity
Dynamic executing agency, which is fixed on, to be towed on frame 1, and the steel wire rope connecting pin and the bottom of climbing support 2 of electric wire rope executing agency are fixed
Connection.
Counter-jib 5-2 is fixed by counter-jib rear portion and counter-jib front portion by the pin shaft connection structure of setting symmetrical above and below to be connected
It is connected together, after top pivot pin 5-2-1 is dismantled, counter-jib rear portion is hinged on counter-jib front portion by lower section axis pin 5-2-2
Together.
Application method：
1st, install
(1) floor mast is towed in place using trailer.After location determination, 4 supporting legs for towing frame 1 are opened, rise makes
Tow tire liftoff.By trailer open from.Connect the preparation works such as power supply.
(2) control climbing support pulling mechanism to reduce guy cable length, pole main body 3 is holded up plumbness.It can pass through
Climbing support 2 increases standard knot, pole main body 3 is increased to suitable location.
(3) in the height of adequate operation, device of rotation driving, the piston rod driving of first piston formula executing agency 9 are operated
Arm support rotates linkage structure and arm support 5 is rotated counterclockwise to plumbness, counter-jib rear portion and counter-jib front portion is passed through upper and lower
Symmetrically arranged pin shaft connection structure is fixed together.
(4) arm support device of rotation driving is operated, the piston rod driving arm support of first piston formula executing agency 9 rotates linkage knot
Arm support 5 is rotated clockwise to horizontal operation state by structure, the connection activity between 6 bottom of rearward end and mast of counter-jib 5-2
Connecting rod 8, makes it be collectively forming with mast 6 and consolidates support to the triangle of arm support 5.
(5) driving side folding driving device, the piston rod of second piston formula executing agency 12 bounce back to the limit, side folding linkage knot
Structure driving side folding arm 5-1-2 is rotated around side arm shaft 5-1-3, is stretched support arm 5-1-1 and is formed with the side folding arm 5-1-2 of front end
One.
(6) lifting mechanism on arm support 5 is operated, counterweight 5-3 is installed to the rearward end of counter-jib 5-2.
(7) lifting mechanism on arm support 5 is operated, by amplitude variation trolley lifting to arm support, connection variable-amplitude steel wire rope, passed around
Rise steel wire rope.
(8) work well preparation (as shown in Figure 6).
2nd, dismantle
(1) variable-amplitude steel wire rope, hoist rope are pulled down.The lifting mechanism on arm support 5 is operated, amplitude variation trolley is dropped to ground
Face.
(2) lifting mechanism on arm support 5 is operated, counterweight 5-3 is dropped on the transfer car(buggy) on ground.
(3) movable connecting rod 8 is connected between 6 bottom of rearward end and mast of dismounting counter-jib 5-2, operation arm support, which rotates, to be driven
Dynamic device, the piston rod retraction of first piston formula executing agency 9, arm support rotate linkage structure driving arm support 5 and rotate counterclockwise, mast
The conjunction surface corresponding with counter-jib 5-2 of bar 6 fits together, and arm support 5 is in plumbness, so that pole main body 3 and arm
Frame 5 forms vertical one (as shown in Figure 7), so that the opening to power transmission tower can be received smoothly.
(4) standard knot is reduced by climbing support 2, pole main body 3 is declined from 21 upper opening of power transmission tower, make revolving platform 4
Close to climbing support 2 (as shown in Figure 8).
(5) the top pivot pin 5-2-1 between counter-jib rear portion and counter-jib front portion is removed, makes counter-jib rear portion and counter-jib
Front portion forms following square cotter axis 5-2-2 and is hinged state.
(6) driving side folding driving device, the piston rod of second piston formula executing agency 12 extend out to the limit, side folding linkage knot
Structure driving side folding arm 5-1-2 is rotated around side arm shaft 5-1-3, the side folding arm 5-1-2 of support arm 5-1-1 and front end is superimposed on one
Rise (as shown in Figure 9).
(7) arm support device of rotation driving is operated, the piston rod driving arm support of first piston formula executing agency 9 rotates linkage knot
Structure rotates clockwise arm support 5, makes arm support 5 turn around downwards, to make it overlap with climbing support 2, to reduce length, is readily transported
(as shown in Figure 10).
(8) climbing support pulling mechanism increase guy cable length is controlled, pole main body 3 is in horizontality and tows frame in placement
On 1, withdrawn (as shown in figure 11) in order to transport.
(9) trailer is connected, reduces height of landing leg, withdraws supporting leg, transport is withdrawn (as shown in figure 12).
Claims (8)
1. a kind of floor mast, including tow frame (1), climbing support (2), pole main body (3), revolving platform (4) and arm support (5), institute
State and tow frame (1) by the way that climbing support (2) can be made to be in climbing to erect and pulling driving dress for horizontal positioned state or vertical operation state
Put and be connected with climbing support (2), the pole main body that height can be adjusted based on climbing support (2) is equipped with the climbing support (2)
(3), revolving platform (4) is equipped with the upper end of the pole main body (3), the arm support (5) is supported by it position boundary, has been divided into
Weighing arm (5-1) and counter-jib (5-2), the rearward end of the counter-jib (5-2) are equipped with counterweight (5-3), it is characterised in that：The arm
Replicating structure is equipped between frame (5) and the pole main body (3)：Mast (6) is vertically equipped with the upper end of the revolving platform (4),
The upper end of the mast (6) is connected the support zone to form arm support (5) with the arm support (5) by arm support shaft (7), described
Arm support shaft (7) is set in the width of the arm support (5), the mast (6) and the counter-jib (5-2) corresponding one
Face is the inclined plane mutually agreed with, and being equipped between the arm support (5) and the mast (6) can be such that arm support (5) turns around the arm support
The arm support device of rotation driving that axis (7) rotates, sets between the rearward end of the counter-jib (5-2) and the mast (6) bottom
There is movable connecting rod (8), it is collectively forming with the mast (6) and consolidates support to the triangle of arm support (5).
A kind of 2. floor mast according to claim 1, it is characterised in that：The arm support device of rotation driving includes setting
First piston formula executing agency (9) on mast (6), the piston rod end of the first piston formula executing agency (9) pass through
Arm support rotates linkage structure and is connected with the top of the mast (6) and the front bottom end shaft of the counter-jib (5-2), the arm
Frame, which rotates linkage structure, includes the first arc panel (10) and the second arc panel (11), the arcwall face court of first arc panel (10)
On, its left end is connected with the piston rod end shaft of the first piston formula executing agency (9), its right end and the mast (6)
Shaft connects, and the second arc panel (11) arcwall face is towards the rear end of the counter-jib (5-2), its lower end and first arc
The middle part shaft connection of shape plate (10), the upper end is connected with the front bottom end shaft of the counter-jib (5-2).
A kind of 3. floor mast according to claim 2, it is characterised in that：The crane arm (5-1) is equipped with side folded structure：
The crane arm (5-1) passes through side arm shaft (5-1-3) by the support arm (5-1-1) of rear end and the side folding arm (5-1-2) of front end
It is rotatably connected, the side arm shaft (5-1-3) is located at the same of the support arm (5-1-1) and side folding arm (5-1-2)
Side, the side folding arm (5-1-2) can be made around described by being equipped between the support arm (5-1-1) and the side folding arm (5-1-2)
Side arm shaft (5-1-3) rotates so that the support arm (5-1-1) and the side folding driving dress of the side folding arm (5-1-2) overlapping
Put.
A kind of 4. floor mast according to claim 3, it is characterised in that：The side folding driving device includes being arranged on branch
Second piston formula executing agency (12) in brace (5-1-1), the piston rod end of the second piston formula executing agency (12)
The rearward end of the front end and the side folding arm (5-1-2) of rolling over linkage structure and the support arm (5-1-1) by side, which rotates, to be connected
Connect, the side folding linkage structure includes the first articulated slab (13) and the second articulated slab (14), and first articulated slab (13) is served as reasons
The integrative-structure of rake and extension composition, the rake incline from rear end in front of the side of support arm (5-1-1)
Tiltedly, end is connected with the piston rod front end shaft of the second piston formula executing agency (12) thereafter, and the extension is by institute
Rake front end is stated to stretch out and be connected with support arm shaft, second articulated slab (14) towards support arm (5-1-1) side
For the arc panel of arc forward-facing, the rearward end of second articulated slab (14) is inclined with first articulated slab (13) close to described
The extension shaft connection of inclined portion, the front end of second articulated slab (14) and the rearward end of the side folding arm (5-1-2) turn
Axis connection, drives the first articulated slab (13) to move forwards when the piston rod of the second piston formula executing agency (12) stretches out
When, first articulated slab (13) drives the second articulated slab (14) reach, so that second articulated slab (14) drives
The side folding arm (5-1-2) is around the side arm shaft (5-1-3) to the side opposite with the second piston formula executing agency (12)
To rotation, the action of side folding is produced.
A kind of 5. floor mast according to claim 4, it is characterised in that：It is described climb erect pull driving device include four
Bar follower and climbing support pulling mechanism, the four bars follower include being symmetricly set on the climbing support (2) left and right two
A pair of of long connecting rod (15) of side and a pair of of the short connecting rod (16) being symmetricly set at left and right sides of the climbing support (2), described in four
The upper end of connecting rod is connected with the front side portion shaft of the climbing support (2), and the lower end of four connecting rods is stretched to rear and dragged with described
Row frame (1) shaft connects, climbing support connecting pin the climbing higher than the pair of short connecting rod (16) of the pair of long connecting rod (15)
Frame connecting pin, the pair of long connecting rod (15) tow that frame connecting pin is located at the pair of short connecting rod (16) tow frame connecting pin
Rear, the rear end of the climbing support pulling mechanism, which is arranged on, to be towed on frame, and front end is arranged on the bottom of the climbing support (2),
For the bottom anteroposterior direction displacement of the climbing support (2), make support of the climbing support (2) in the four bars follower
It is lower to keep horizontal positioned state or vertical operation state.
A kind of 6. floor mast according to claim 5, it is characterised in that：The climbing support pulling mechanism is set including level
To put and towed described on frame (1), piston rod is towed on frame (1) described towards the 3rd piston actuator (17) at rear,
A pair of of fixed groove roller (18) is symmetrical set close to the front end of the climbing support (2), is performed in the 3rd piston type
The piston rod end of mechanism (17) is symmetrical set a pair of recessed with the pair of corresponding activity of fixed groove roller (18)
Grooved roller (19), further includes a pair of of drag-line (20), and one end of the pair of drag-line (20), which is fixed on, to be towed on frame (1), and described one
Turned back again forward by the pair of around the pair of movable groove roller (19) by bottom backward to the other end of drag-line (20)
The bottom of fixed groove roller (18) is upward, then is fixedly connected with the bottom of the climbing support (2).
A kind of 7. floor mast according to claim 5, it is characterised in that：The climbing support pulling mechanism is steel wire rope electricity
Dynamic executing agency, the electric wire rope executing agency, which is fixed on, to be towed on frame (1), the steel of the electric wire rope executing agency
Cord connecting pin is fixedly connected with the bottom of the climbing support (2).
A kind of 8. floor mast according to any one of claim 1-7 claim, it is characterised in that：The counter-jib
(5-2) is fixed together by counter-jib rear portion and counter-jib front portion by the pin shaft connection structure of setting symmetrical above and below, when
After top pivot pin (5-2-1) dismounting, the counter-jib rear portion is hinged on the counter-jib front portion by lower section axis pin (5-2-2)
Together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711341999.6A CN107915157A (en) | 2017-12-14 | 2017-12-14 | A kind of floor mast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711341999.6A CN107915157A (en) | 2017-12-14 | 2017-12-14 | A kind of floor mast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107915157A true CN107915157A (en) | 2018-04-17 |
Family
ID=61893408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711341999.6A Pending CN107915157A (en) | 2017-12-14 | 2017-12-14 | A kind of floor mast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107915157A (en) |
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