CN110356965A - A kind of winch head sheave with boom hoisting - Google Patents
A kind of winch head sheave with boom hoisting Download PDFInfo
- Publication number
- CN110356965A CN110356965A CN201910778988.7A CN201910778988A CN110356965A CN 110356965 A CN110356965 A CN 110356965A CN 201910778988 A CN201910778988 A CN 201910778988A CN 110356965 A CN110356965 A CN 110356965A
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- head sheave
- head
- main shaft
- boom hoisting
- suspension hook
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- 239000000725 suspension Substances 0.000 claims abstract description 84
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000001771 impaired effect Effects 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 29
- 230000007246 mechanism Effects 0.000 claims description 19
- 238000010276 construction Methods 0.000 claims description 7
- 230000007306 turnover Effects 0.000 claims description 7
- 241001669679 Eleotris Species 0.000 claims description 5
- 241000826860 Trapezium Species 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing 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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
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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
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The winch head sheave with boom hoisting that the invention discloses a kind of, including wheel hub, main shaft, to prevent winch head sheave from turning over impaired boom hoisting and drawstring；The wheel hub is socketed in spindle shaft；The boom hoisting is detachably connected on the first end end face of main shaft；The drawstring is set on the axle body of main shaft second end；First suspension hook head is connect with the boom hoisting；Second suspension hook head is connect with the drawstring；When winch head sheave is turned over, crane is by suspension hook head to the active force of winch head sheave, all it is applied on main shaft, entire lifting process is contacted with head sheave wheel hub without any, the active force is effectively prevented to act on wheel hub, so that wheel hub deforms, the present invention ensure that the integrality of winch head sheave after turning over.
Description
Technical field
The present invention relates to winch head sheaves to turn over technical field, specially a kind of winch head sheave with boom hoisting.
Background technique
It all refers to carry out head sheave turn work in the installation of head sheave and replacement process, i.e., it is the main shaft of head sheave is vertical
It is turned in ground to be parallel to ground form, then lifted using 500t crane to derrick." turn " is a dangerous journey
Biggish work is spent, the unreasonable wheel hub damage or bearing damage for easilying lead to head sheave of the methods of use is even more serious
It may cause wheel hub or bearing breaking etc., serious to destroy head sheave quality, what we used in the past carries out at reinforcing head sheave wheel hub
It carries out lifting turn using two crane cooperation wire line hitch after reason, turn is time-consuming and laborious, and reinforces position and may cause weldering
Connect deformation.
- a, Fig. 1-b and Fig. 1-c refering to fig. 1 have welded distance bolt between the wheel hub 1 of rope groove 11 in winch head sheave,
When lifting winch head sheave is turned over, wirerope, then two suspension hooks different from suspension hook power are respectively interposed in the two sides of wheel hub 1
Head connection, later under the running of crane, turns over winch head sheave, and it is horizontal that main shaft 2 is changed to from vertical state
State.
Before the lifting of winch head sheave, the distance bolt welded first is in order to prevent during turn, and wheel hub is in steel wire
Under the pulling force effect of rope, deform, so that the distance between wheel hub changes, but when welding distance bolt, with wheel hub
Weld easily deform in welding, and steel wire penetrating wheel hub, although have distance bolt keep between wheel hub away from
From not changing, but the active force that crane is given still acts on wheel hub, and distance bolt can only prevent to a certain extent
Wheel hub deforms, and can not prevent the generation of deformation completely.
Summary of the invention
Technical problem to be solved by the present invention lies in: when how to solve the turn of winch head sheave, boom hoisting is to head sheave
Wheel hub or bearing damage, and then the problem of influencing its use of deforming.
In order to solve the above technical problems, the invention provides the following technical scheme: a kind of winch head sheave with boom hoisting,
Including wheel hub, main shaft, to prevent winch head sheave from turning over the impaired boom hoisting and drawstring of wheel hub；The wheel hub is socketed in main shaft
On axle body；The boom hoisting is detachably connected on the first end end face of main shaft；The drawstring is set in main shaft second end
On axle body；First suspension hook head is connect with the boom hoisting；Second suspension hook head is connect with the drawstring.
When head sheave is lifted by crane, the first suspension hook head is by boom hoisting pulling main shaft run-off the straight, the then connect with drawstring
Two suspension hook heads give the power of one horizontal direction of the main shaft other end, auxiliary spindle inclination, until the axis direction of main shaft is from vertical
Horizontal direction is changed into direction, and pulley frame is set on the sleeper pre-set, then the first suspension hook of removal head, second is hung
Gib head, drawstring and boom hoisting complete the turn work of winch head sheave, turn over compared to traditional winch head sheave, this strand
When vehicle head sheave is turned over, crane, to the active force of winch head sheave, is all applied on main shaft by suspension hook head, it is entire lift by crane process with
Head sheave wheel hub is effectively prevented from the active force and acts on wheel hub without any contact, so that wheel hub deforms, to influence to twist
The use of vehicle head sheave.
Preferably, the boom hoisting includes cover clamp, at least two gussets, plays davit, hanging ring and be used for cover clamp
The retaining mechanism being locked on main shaft end face；The retaining mechanism is arranged between main shaft end face and the plate face of cover clamp；It is described
Davit is played to be welded at the plate face center of cover clamp；The shape of the gusset is right-angled trapezium, and right-angle side is fixed on cover clamp
Plate face on；The larger bottom edge of the gusset has been fixed on the surrounding of davit centered on playing davit in radiation；The lifting
Column offers the ring mounting hole of perforation in its width direction；The hanging ring passes through ring mounting hole；The hanging ring and first
The connection of suspension hook head.
Preferably, the retaining mechanism includes clamping screw and the hold-down bolt hole being provided on cover clamp；The locking
Bolt is threadedly engaged with hold-down bolt hole；The threaded hole being threadedly engaged with clamping screw is provided on the main shaft end face；It is described
Threaded hole and hold-down bolt hole are coaxial.
Clamping screw is successively screwed in hold-down bolt hole and threaded hole, so that the cover clamp in boom hoisting is locked to main shaft
On, drawstring is tied up on main shaft second end axle body, the first suspension hook head is connect with hanging ring, the second suspension hook head is connect with drawstring,
First suspension hook head applies 100t suspension hook power, and the second suspension hook head applies 50t suspension hook power, and slow hoisting and overturning, suspension hook acts on when turn
Power acts on the both ends of main shaft, and wheel hub is contacted with boom hoisting without any, and when the winch head sheave is turned over, without to wheel hub
Between weld distance bolt, prevent weld from deforming, the turn of winch head sheave carried out by the boom hoisting of setting, protect
Integrality of wheel hub during turn is protected, convenient for the subsequent use of wheel hub.
Preferably, the retaining mechanism is mounted on the end face of main shaft first end；The retaining mechanism includes activity lock
And the limit assembly of limitation activity lock rotation；The quantity of the activity lock has axle center that are multiple, and surrounding main shaft, and passes through
Shaft is rotatably connected at the end face edge of main shaft first end；The side of activity lock is arranged in the limit assembly.
Preferably, the limit assembly includes that the fixation bumping post that activity lock side is arranged in, setting are another in activity lock
The movable bumping post and spring of side；The fixed bumping post is fixed at the end face edge of main shaft first end；The activity bumping post
It is connected to by spring on the end face of main shaft first end.
After being bonded cover clamp with main shaft first end end face, rotation activity latches and locks cover clamp, prevents cover clamp
It is detached from, while spring promotion activity bumping post rises, prevents activity lock rotation, promote the convenient degree of boom hoisting dismounting.
Preferably, the boom hoisting further includes elastic component；One end of the elastic component is fixed on the hole of ring mounting hole
On wall；The other end of the elastic component is welded on hanging ring.
When crane drives hanging ring to rise by the first suspension hook head, so that hanging ring and the elastic component risen between davit are drawn
Elastic deformation occurs for power, and under its elastic reaction, which has slowly been transmitted on davit and cover clamp, last pull-up
The first end of winch head sheave main shaft prevents crane operation person's operation too quickly, to hanging ring or the wirerope connecting with the first suspension hook head
It damages, and then winch head sheave is caused to fall off from the first suspension hook head, cause the generation of peril.
Preferably, the main shaft further includes the shaft-cup for being connected to main shaft both ends.
A kind of turn-over method of the winch head sheave with boom hoisting, comprising:
Step 1: for initial placement on head sheave retainer, head sheave main-shaft axis along the vertical direction, will be on the shaft-cup of main shaft one end
Bolt unload, shaft-cup and bolt are placed into the place for not interfering construction, used when head sheave to install after turning over；
Step 2: boom hoisting is hung to head sheave retainer upper end using crane, and carries out the connection work of boom hoisting；
Step 3: the end face of cover clamp in boom hoisting and the spindle end face paste of removal shaft-cup are combined together, and used
The two is locked jail by retaining mechanism；
Step 4: the first suspension hook head is connected with the hanging ring risen on davit；After the completion of suspension hook head connects work, constructor
Member, which enters, cuts off the head sheave retainer part fixed with head sheave in head sheave retainer, separate head sheave with retainer；
Step 5: head sheave is simultaneously slowly sling and disengages it from head sheave retainer by the first suspension hook headband strength, hangs out guarantor to head sheave
After holding frame, stay cord button is caught head sheave lower end main shaft portion and locked rear and the second suspension hook head of sling is connected simultaneously band by construction personnel
Strength, the cooperation of two cranes lift head sheave to being tilted a certain angle；
Step 6: so that after the first suspension hook head above proposes head sheave to proper height, the laterally slowly movement second of the second suspension hook head
Drawstring sling on suspension hook head, until after head sheave main-shaft axis is in a horizontal position, while two cranes make head sheave be erected at ground
It is fixed on upper cut-and-dried sleeper；The turn work of head sheave is completed at this time.
When winch head sheave is turned over, hoist lifting hook head is connect with two, main shaft shaft ends, and the active force of suspension hook head is applied to strand
On the main shaft of vehicle head sheave, suspension hook head and head sheave hub contacts are avoided, and then is effectively prevented suspension hook active force and makes wheel hub
Deformation guarantees the integrality after winch head sheave wheel hub turns over.
Preferably, the first suspension hook head is connect with 100 tons of cranes；The second suspension hook head is connect with 55 tons of cranes.
Preferably, the drawstring is the ￠ 48mm wirerope of a root long 12m.
Compared with prior art, the beneficial effects of the present invention are:
A. when winch head sheave is turned over, crane, to the active force of winch head sheave, is all applied on main shaft by suspension hook head, whole
A lifting process is contacted with head sheave wheel hub without any, is effectively prevented from the active force and is acted on wheel hub, so that wheel hub becomes
Shape, to influence the use of winch head sheave；
B. it prevents crane operation person's operation too quickly, hanging ring or the wirerope connecting with the first suspension hook head is damaged, into
And winch head sheave is caused to fall off from the first suspension hook head, cause the generation of peril；Using rotation activity lock come to rise
Device for hoisting is installed, and installation speed is fast, and convenient degree is high when disassembly.
Detailed description of the invention
Fig. 1-a is the status diagram in background of invention before the turn of winch head sheave；
Fig. 1-b is status diagram when winch head sheave is turned in background of invention；
Fig. 1-c is the status diagram in background of invention after the turn of winch head sheave；
Fig. 2 is winch head sheave and its overall structure diagram of boom hoisting in the embodiment of the present invention one；
Fig. 3 is the concrete structure schematic diagram of boom hoisting in the embodiment of the present invention one；
Fig. 4-a is the status diagram in the embodiment of the present invention one before the turn of winch head sheave；
Fig. 4-b is the status diagram in the embodiment of the present invention one before the turn of winch head sheave；
Fig. 4-c is the status diagram in the embodiment of the present invention one before the turn of winch head sheave；
Fig. 5 is retaining mechanism scheme of installation in the embodiment of the present invention three；
Fig. 6 is a-quadrant partial enlargement diagram in Fig. 5 of the present invention.
Specific embodiment
For convenient for those skilled in the art understand that technical solution of the present invention, now in conjunction with Figure of description to the technology of the present invention side
Case is described further.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more of the features.In the description of the present application, the meaning of " plurality " is two or more, unless
Separately there is clearly specific restriction.
Embodiment one
Referring to Fig.2, present embodiment discloses a kind of winch head sheave with boom hoisting, including wheel hub 1, main shaft 2, to
Prevent winch head sheave from turning over the impaired boom hoisting 3 and drawstring 4 of wheel hub 1.The wheel hub 1 is socketed on 2 axle body of main shaft.Described
Device for hoisting 3 is detachably connected on the first end end face of main shaft 2.The drawstring 4 is set on the axle body of 2 second end of main shaft.The
One suspension hook head is connect with the boom hoisting 3.Second suspension hook head is connect with the drawstring 4.The suspension hook power of the first suspension hook head
Greater than the suspension hook power of the second suspension hook head.
When head sheave is lifted by crane, the first suspension hook head pulls 2 run-off the straight of main shaft by boom hoisting 3, then connect with drawstring 4
Second suspension hook head gives the power of 2 one horizontal direction of second end of main shaft, and auxiliary spindle 2 tilts, until the axis direction of main shaft 2 from
Vertical direction changes into horizontal direction, and pulley frame is set on the sleeper pre-set, then the first suspension hook of removal head,
Two suspension hook heads, drawstring 4 and boom hoisting 3 are completed the turn work of winch head sheave, are turned over compared to traditional winch head sheave
Body, when this winch head sheave is turned over, crane, to the active force of winch head sheave, is all applied on main shaft 2 by suspension hook head, entire to rise
It hangs process and is contacted with head sheave wheel hub 1 without any, be effectively prevented from the active force and act on wheel hub 1, so that wheel hub 1 becomes
Shape, to influence the use of winch head sheave.
Refering to Fig. 3, the boom hoisting 3 includes cover clamp 31, at least two gussets 32, plays davit 33, hanging ring 34 and use
In the retaining mechanism being locked to cover clamp 31 on 2 end face of main shaft.The first end and gland of main shaft 2 is arranged in the retaining mechanism
Between plate 31.Described davit 33 is welded at the plate face center of cover clamp 31.The shape of the gusset 32 is right-angled trapezium,
Right-angle side is fixed in the plate face of cover clamp 31.The larger bottom edge of the gusset 32 is fixed centered on playing davit 33 in radiation
In the surrounding for playing davit 33.Described davit 33 offers the ring mounting hole of perforation in its width direction.The hanging ring 34
Across ring mounting hole.The hanging ring 34 is connect with the first suspension hook head.
The retaining mechanism includes clamping screw and the hold-down bolt hole 35 being provided on cover clamp 31.The clamping screw
It is threadedly engaged with hold-down bolt hole 35.The threaded hole being threadedly engaged with clamping screw is provided on the main shaft end face (to scheme not
Show).The threaded hole (not shown) and hold-down bolt hole 35 are coaxial.
The main shaft 2 further includes the shaft-cup for being connected to 2 both ends of main shaft.
Clamping screw is successively screwed in hold-down bolt hole 35 and threaded hole, so that the cover clamp 31 in boom hoisting 3 is locked
Onto main shaft 2, drawstring 4 is tied up on 2 second end axle body of main shaft, the first suspension hook head is connect with hanging ring 34, by the second suspension hook head
It is connect with drawstring 4, the first suspension hook head applies 100t suspension hook power, and the second suspension hook head applies 50t suspension hook power, and slow hoisting and overturning turns over
Suspension hook active force acts on the both ends of main shaft 2 when body, and wheel hub 1 is contacted with boom hoisting 3 without any, and turns in the winch head sheave
When body, without welding distance bolt between wheel hub 1, prevents weld from deforming, carried out by the boom hoisting 3 of setting
The turn of winch head sheave protects integrality of wheel hub during turn, convenient for the subsequent use of wheel hub.
Refering to Fig. 4-a, Fig. 4-b and Fig. 4-c, winch head sheave turn-over method, comprising:
Step 1: for initial placement on head sheave retainer, head sheave main-shaft axis along the vertical direction, will be on the shaft-cup of main shaft one end
Bolt unload, shaft-cup and bolt are placed into the place for not interfering construction, used when head sheave to install after turning over；
Step 2: boom hoisting is hung to head sheave retainer upper end using crane, and carries out the connection work of boom hoisting；
Step 3: the end face of cover clamp in boom hoisting and the spindle end face paste of removal shaft-cup are combined together, and used
The two is locked jail by retaining mechanism；
Step 4: the first suspension hook head is connected with the hanging ring risen on davit；After the completion of suspension hook head connects work, constructor
Member, which enters, cuts off the head sheave retainer part fixed with head sheave in head sheave retainer, separate head sheave with retainer；
Step 5: head sheave is simultaneously slowly sling and disengages it from head sheave retainer by the first suspension hook headband strength, hangs out guarantor to head sheave
After holding frame, stay cord button is caught head sheave lower end main shaft portion and locked rear and the second suspension hook head of sling is connected simultaneously band by construction personnel
Strength, the cooperation of two cranes lift head sheave to being tilted a certain angle；
Step 6: so that after the first suspension hook head above proposes head sheave to proper height, the laterally slowly movement second of the second suspension hook head
Drawstring sling on suspension hook head, until after head sheave main-shaft axis is in a horizontal position, while two cranes make head sheave be erected at ground
It is fixed on upper cut-and-dried sleeper；The turn work of head sheave is completed at this time.
When winch head sheave is turned over, hoist lifting hook head is connect with two, main shaft shaft ends, and the active force of suspension hook head is applied to strand
On the main shaft of vehicle head sheave, suspension hook head and head sheave hub contacts are avoided, and then is effectively prevented suspension hook active force and makes wheel hub
Deformation guarantees the integrality after winch head sheave wheel hub turns over.
The first suspension hook head is connect with 100 tons of cranes.The second suspension hook head is connect with 55 tons of cranes.So that head sheave is turned over
When body, run-off the straight.
The drawstring is the ￠ 48mm wirerope of a root long 12m, and wirerope bearing capacity is big, can the big article of suspension hook quality.
Cover clamp 31 in boom hoisting 3 is pulled tight with lock spindle, and is locked with drawstring 4 and the main shaft other end, when lifting,
Active force acts on the both ends of main shaft, and wheel hub 1 is with boom hoisting 3 without any without contacting, and when the winch head sheave is turned over, nothing
Distance bolt need to be welded between wheel hub 1, prevent weld from deforming, winch day is carried out by the boom hoisting 3 of setting
The turn of wheel protects integrality of the wheel hub 1 during turn, convenient for the subsequent use of wheel hub 1.
Embodiment two
The present embodiment two is what is different from the first embodiment is that the boom hoisting 3 further includes elastic component (not shown).The bullet
One end of property part is fixed on the hole wall of ring mounting hole.The other end of the elastic component is welded on hanging ring 34.
When crane drives hanging ring 34 to rise by the first suspension hook head, so that the elastic component between hanging ring 34 and davit 33
Elastic deformation occurs under tension, and under its elastic reaction, which has slowly been transmitted to davit 33 and cover clamp 31
On, one end of last pull-up winch head sheave main shaft 2, prevent crane operation person operation it is too quickly, to hanging ring 34 or with the first suspension hook head
The wirerope of connection damages, and then winch head sheave is caused to fall off from the first suspension hook head, causes the generation of peril.
Embodiment three
Refering to Fig. 5 and Fig. 6, the retaining mechanism is mounted on one end end face of main shaft 2.The retaining mechanism includes activity
The limit assembly of 5 rotation of lock 5 and limitation activity lock.The quantity of the activity lock 5 has axis that are multiple, and surrounding main shaft 2
The heart, and be rotatably connected at the end face edge of main shaft by shaft.The side of activity lock 5 is arranged in the limit assembly.
The limit assembly includes the fixation bumping post 6 that 5 sides of activity lock are arranged in, setting in 5 other sides of activity lock
Movable bumping post 7 and spring 71.The fixed bumping post 6 is fixed at the end face edge of main shaft.The activity bumping post 7 passes through bullet
Spring 71 is connected on the end of main shaft.
After being bonded cover clamp 31 with spindle end, rotation activity lock 5 simultaneously locks cover clamp 31, prevents cover clamp 31
It is detached from, while 71 promotion activity bumping post 7 of spring rises, prevents 5 rotation of activity lock, promote the convenient degree that boom hoisting 3 dismounts.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention, and any reference signs in the claims should not be construed as limiting the involved claims.
Embodiment described above only indicates that the embodiment of invention, protection scope of the present invention are not only limited to above-mentioned implementation
Example without departing from the inventive concept of the premise, can also make several deformations and change for those skilled in the art
Into these belong to the scope of the present invention.
Claims (10)
1. a kind of winch head sheave with boom hoisting, it is characterised in that: including wheel hub, main shaft, to prevent winch head sheave from turning over
Body wheel hub impaired boom hoisting and drawstring；The wheel hub is socketed in spindle shaft；The boom hoisting is detachably connected on
On the first end end face of main shaft；The drawstring is set on the axle body of main shaft second end；First suspension hook head and the boom hoisting
Connection；Second suspension hook head is connect with the drawstring.
2. a kind of winch head sheave with boom hoisting according to claim 1, it is characterised in that: the boom hoisting packet
It includes cover clamp, at least two gussets, play davit, hanging ring and the retaining mechanism for being locked to cover clamp on main shaft end face；Institute
Retaining mechanism is stated to be arranged between main shaft end face and the plate face of cover clamp；Described davit is welded on the plate face center of cover clamp
Place；The shape of the gusset is right-angled trapezium, and right-angle side is fixed in the plate face of cover clamp；The larger bottom edge of the gusset with
It rises and has been fixed on the surrounding of davit in radiation centered on davit；Described davit offers hanging for perforation in its width direction
Ring mounting hole；The hanging ring passes through ring mounting hole；The hanging ring is connect with the first suspension hook head.
3. a kind of winch head sheave with boom hoisting according to claim 2, it is characterised in that: the retaining mechanism packet
The hold-down bolt hole for including clamping screw and being provided on cover clamp；The clamping screw is threadedly engaged with hold-down bolt hole；It is described
The threaded hole being threadedly engaged with clamping screw is provided on main shaft end face；The threaded hole and hold-down bolt hole are coaxial.
4. a kind of winch head sheave with boom hoisting according to claim 2, it is characterised in that: the retaining mechanism peace
On the end face of main shaft first end；The retaining mechanism includes the limit assembly of activity lock and limitation activity lock rotation；
The quantity of the activity lock has axle center that are multiple, and surrounding main shaft, and the end of main shaft first end is rotatably connected on by shaft
Face edge；The side of activity lock is arranged in the limit assembly.
5. a kind of winch head sheave with boom hoisting according to claim 4, it is characterised in that: the limit assembly packet
Include the movable bumping post and spring that the fixation bumping post of activity lock side is set, the activity lock other side is set；It is described solid
Determine bumping post to be fixed at the end face edge of main shaft first end；The activity bumping post is connected to the end face of main shaft first end by spring
On.
6. according to a kind of any one of winch head sheave with boom hoisting of claim 2-5, it is characterised in that: described
Boom hoisting further includes elastic component；One end of the elastic component is fixed on the hole wall of ring mounting hole；The elastic component it is another
One end is welded on hanging ring.
7. a kind of winch head sheave with boom hoisting according to claim 2, it is characterised in that: the main shaft further includes
It is connected to the shaft-cup at main shaft both ends.
8. a kind of turn-over method of winch head sheave with boom hoisting according to claim 7, it is characterised in that: packet
It includes:
Step 1: initial placement on head sheave retainer, head sheave main-shaft axis along the vertical direction, by the spiral shell on the shaft-cup of main shaft one end
Bolt unloads, and shaft-cup and bolt are placed into the place for not interfering construction, uses when head sheave to install after turning over；
Step 2: boom hoisting is hung to head sheave retainer upper end using crane, and carries out the connection work of boom hoisting；
Step 3: the end face of cover clamp in boom hoisting and the spindle end face paste of removal shaft-cup are combined together, and use locking
The two is locked jail by mechanism；
Step 4: the first suspension hook head is connected with the hanging ring risen on davit；Suspension hook head connect work after the completion of, construction personnel into
Enter to cut off the head sheave retainer part fixed with head sheave in head sheave retainer, separates head sheave with retainer；
Step 5: head sheave is simultaneously slowly sling and disengages it from head sheave retainer by the first suspension hook headband strength, hangs out retainer to head sheave
Afterwards, construction personnel by stay cord button catch head sheave lower end main shaft portion by sling it is locked after connected with the second suspension hook head and energetic,
The cooperation of two cranes lifts head sheave to being tilted a certain angle；
Step 6: so that after the first suspension hook head above proposes head sheave to proper height, lateral slowly mobile second suspension hook of the second suspension hook head
Drawstring sling on head, until after head sheave main-shaft axis is in a horizontal position, while two cranes make head sheave be erected at thing on ground
It is fixed on the sleeper first prepared；The turn work of head sheave is completed at this time.
9. a kind of turn-over method of winch head sheave with boom hoisting according to claim 8, it is characterised in that: described
First suspension hook head is connect with 100 tons of cranes；The second suspension hook head is connect with 55 tons of cranes.
10. a kind of turn-over method of winch head sheave with boom hoisting according to claim 9, it is characterised in that: institute
State the ￠ 48mm wirerope that drawstring is a root long 12m.
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| CN201910778988.7A CN110356965A (en) | 2019-08-22 | 2019-08-22 | A kind of winch head sheave with boom hoisting |
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| CN210854998U (en) * | 2019-08-22 | 2020-06-26 | 淮南矿业(集团)有限责任公司 | Winch head sheave with hoisting accessory |
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| CN101254884A (en) * | 2008-03-12 | 2008-09-03 | 渤海船舶重工有限责任公司 | Screw-propeller turning-over device |
| CN201582039U (en) * | 2009-11-13 | 2010-09-15 | 天津市天发重型水电设备制造有限公司 | Turn-over device of hydraulic generator roller |
| EP2423147A1 (en) * | 2010-08-31 | 2012-02-29 | Demag Cranes & Components GmbH | Assembly for rotating a load |
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