CN103723621B - Lift by crane the suspender and its hoisting method of prestressed-concrete pile mold - Google Patents
Lift by crane the suspender and its hoisting method of prestressed-concrete pile mold Download PDFInfo
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- CN103723621B CN103723621B CN201310676507.4A CN201310676507A CN103723621B CN 103723621 B CN103723621 B CN 103723621B CN 201310676507 A CN201310676507 A CN 201310676507A CN 103723621 B CN103723621 B CN 103723621B
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Abstract
Lift by crane the suspender of prestressed-concrete pile mold, contain left coupler body, right coupler body, left coupler body, right coupler body are flexibly connected, left coupler body, right coupler body upper end connect respectively with boom hoisting, left coupler body lower part, right coupler body lower part are respectively bent inward, it is mounted with release pressure spring between left coupler body top, right coupler body top, the opening and snap-action of gib head are controlled using the difference of the numerical value between the torque of the gravity generation of the elastic force torque generated of release pressure spring and left coupler body lower part, right coupler body lower part.It is simple with structure, it is not necessary that with any power drive, environmentally protective, manufacturing cost is low, movement is safe and reliable, easy to operate, alleviates the labor intensity of worker, has prevented security risk, increase high temperature steam curing kiln is used in turn number, improves work efficiency, and reduces production cost.
Description
Technical field
The present invention relates to the lifting machinery of the realm of building construction and hoisting method, especially prestressed-concrete pile molds
Boom hoisting and hoisting method.
Background technique
Prestressed-concrete pile after centrifugal treating, will be put into progress high temperature in high temperature steam curing kiln and support in mold
Shield, the depth of high temperature steam curing kiln are generally 3-5 meters, and the temperature in high temperature steam curing kiln is up to 50-100 DEG C, answers when in advance
After power concrete-pile completes High Temperature Curing in mold, it is necessary to hang out kiln lid and carry out cooling processing, pass through the drop of or so 2 hours
After temperature processing, when kiln temperature being made to drop to 50 DEG C or less, then the mold of prestressed-concrete pile will be built-in with from high-temperature steam
It rises and hangs up in curing kilns, be put on the place at kiln and demoulded.Current practice is respectively arranged in the two sides at the both ends of mold
Two hanging rings respectively install two suspension hooks on two chain slings of hoisting traveling crane, and in operation, operative employee enters high temperature by ladder
In steam curing kiln, suspension hook is hooked to two hanging rings of both mold ends respectively, then mold is hung out into high-temperature steam by hoisting traveling crane
Curing kilns.Under normal conditions, the mold that prestressed-concrete pile is had in high temperature steam curing kiln is all hung out, an operation
At least one hour time that work works in high temperature steam curing kiln.This manual work method is there are several security risks, and one
It is that operative employee climbs up to climb down out of high temperature steam curing kiln and easily throws, it is dangerous；Second is that operative employee is that suspension hook is hooked mould respectively
Have two hanging rings at both ends, it is necessary to it walks back and forth on mold, it is dangerous；Third is that mold is hung out after being placed on place, also to grasp
Workmanship carries out unhook operation at the both ends in mold respectively, since the driving circle on mold is circular, so mold is also easy to produce
Phenomenon is rolled, operative employee is easy to be weighed wounded, dangerous；Fourth is that operative employee's summer works frequent occurrence in high temperature steam curing kiln
Heatstroke, it is dangerous；Fifth is that since the space in high temperature steam curing kiln is limited, operative employee's nothing in high temperature steam curing kiln
Method evacuation lifting rise mold, once the generations such as hoisting wirerope, suspension hook or hanging ring fracture or fall off or lifting appliance hair
Raw failure, the mold being suspended in mid air, which easily drops, injures people by a crashing object, dangerous.In addition, due to being artificial lower to high-temperature steam
Operation in curing kilns, by the cooling of or so 2 hours, until high temperature steam curing kiln temperature drops to 50 DEG C or less,
Hook personnel, which could descend, carries out hook operation in high temperature steam curing kiln, working efficiency is low, large labor intensity, production cost
It is high.
Summary of the invention
The object of the present invention is to provide a kind of suspender and its hoisting method for lifting by crane prestressed-concrete pile mold, Neng Gouyi
By the structure feature of suspender itself, realization is self-service to hold or discharges mold, completes lifting operation, improves working efficiency, mitigates labor
Fatigue resistance reduces security risk.
Inventive solution: the suspender of lifting prestressed-concrete pile mold, containing left coupler body, right coupler body, left coupler body,
Right coupler body is flexibly connected, left coupler body, right coupler body upper end connect respectively with boom hoisting, part under left coupler body lower part, right coupler body
It does not curve inwardly, the torque generated by its elastic force and left coupler body lower part, right hook is mounted between left coupler body top, right coupler body top
The difference for the numerical value between torque that the gravity of body lower part generates controls the release pressure spring of gib head movement, left coupler body lower part, right hook
The gravity of body lower part connect the torque of fulcrum generation relative to left coupler body with right coupler body, acts on left coupler body greater than release pressure spring
Portion, right coupler body top elastic force connect relative to left coupler body with right coupler body fulcrum generation torque when, left coupler body, right coupler body gib head
It is partially in occlusal position；Only when left coupler body or right coupler body hook head portions touch prestressed-concrete pile mold, prestressing force
Concrete-pile mold acts on left coupler body or the active force of right coupler body hook head portions connect fulcrum with right coupler body relative to left coupler body
The torque of generation, the gravity for counteracting left coupler body lower part, right coupler body lower part connect fulcrum generation relative to left coupler body with right coupler body
Torque, release pressure spring acts on left coupler body, the elastic force on right coupler body top connect relative to left coupler body fulcrum production with right coupler body
Under raw moment loading, left coupler body lower part, right coupler body lower part hook head portions open, left coupler body, right coupler body are in the open state.
There is link block in the middle part of left coupler body or right coupler body, is slot, the two sides hole Shang You of slot, right coupler body inside link block
Or left coupler body is passed through from the slot in the middle part of left coupler body or right coupler body, it is lateral opening in the two sides of slot in the middle part of right coupler body or left coupler body
Corresponding position also be provided with hole, connect the both ends of fulcrum and connect by the way that the two sides in hole and slot on slot two sides are fixed
It connects, connects hole of the middle part of fulcrum in the middle part of right coupler body or left coupler body, be flexibly connected with right coupler body or left coupler body.Left coupler body or
Slot effect in the middle part of right coupler body is, prevents the right coupler body being flexibly connected with left coupler body or right coupler body or left coupler body from pressing in release
The lower opening of spring effect is too big, and release pressure spring is caused to fall off.
Left coupler body or the inner side edge on right coupler body top are equipped with pogo barrel, and release pressure spring one end is placed in pogo barrel,
Another end cap of pogo barrel is on the spring guide on the inner side edge on right coupler body or left coupler body top.
The lower hook side of left coupler body and right coupler body hook head portions is tapered plane, and the angle β between two lower hook sides is 60-90 °,
Guarantee the lower hook side part on left coupler body and right coupler body gib head in the two sides for touching prestressed-concrete pile mold driving circle
When can easily open.
Left coupler body, right coupler body hook head portions upper hook side be tapered plane, the bevel angle α of tapered plane is 5-10 °, guarantees left coupler body
The neck of prestressed-concrete pile mold driving circle two sides can be securely captured at right coupler body gib head.
With the present invention lifting prestressed-concrete pile mold method, by lift by crane prestressed-concrete pile mold suspender from
On boom hoisting slowly downwards release, at this point, left coupler body lower part, right coupler body lower part gravity under, left coupler body lower part, the right side
The gravity of coupler body lower part connect the torque of fulcrum generation relative to left coupler body with right coupler body, acts on left coupler body greater than release pressure spring
Top, right coupler body top elastic force connect relative to left coupler body with right coupler body fulcrum generation torque, left coupler body lower part, right coupler body
The gravity of lower part overcomes the elastic force effect of release pressure spring, and left coupler body, right coupler body hook head portions is made to be in occlusal position, and lifting is answered in advance
The suspender of power concrete-pile mold is in release conditions.
The suspender of lifting prestressed-concrete pile mold continues to move down from boom hoisting, when left coupler body and right coupler body gib head
When the lower hook side of section lower is contacted with the two sides of prestressed-concrete pile mold driving circle respectively, prestressed-concrete pile mould
The two sides of tool driving circle act on left coupler body and the active force of right coupler body hook head portions is connect relative to left coupler body with right coupler body
The torque that fulcrum generates, counteracts left coupler body lower part, the gravity of right coupler body lower part connect fulcrum with right coupler body relative to left coupler body
The torque of generation acts on the elastic force on left coupler body top, right coupler body top relative to left coupler body and right coupler body company in release pressure spring
Connect fulcrum generation moment loading under, left coupler body lower part, right coupler body lower part hook head portions, with lifting prestressed-concrete pile
The suspender of mold, which moves down, gradually to be opened, and is mixed when the lower hook side of the hook head portions of left coupler body lower part, right coupler body lower part slips over prestressing force
Behind the two sides of solidifying soil pile die driving circle, left coupler body lower part, right coupler body lower part gravity connect relative to left coupler body and right coupler body
Connect fulcrum generation torque, greater than release pressure spring act on left coupler body top, right coupler body top elastic force relative to left coupler body with
The torque that right coupler body connection fulcrum generates, under release pressure spring effect, left coupler body lower part, right coupler body lower part hook head portions be caught in
The neck of prestressed-concrete pile mold driving circle.
Boom hoisting slowly lifts by crane the suspender for lifting by crane prestressed-concrete pile mold upwards, prestressed-concrete pile mold
It is hung out by the suspender of lifting prestressed-concrete pile mold from high temperature steam curing kiln.
Boom hoisting will lift by crane hanging for prestressed-concrete pile mold for after prestressed-concrete pile mould lifting to ground
Tool from boom hoisting slowly downwards release, left coupler body lower part, right coupler body lower part hook head portions touch prestressed concrete
After pile die ontology, prestressed-concrete pile die ontology act on the active forces of left coupler body and right coupler body hook head portions relative to
Left coupler body connect the torque of fulcrum generation with right coupler body, counteracts the gravity of left coupler body lower part, right coupler body lower part relative to left hook
Body connect the torque of fulcrum generation with right coupler body, and it is opposite to act on left coupler body top, the elastic force on right coupler body top in release pressure spring
Under the moment loading that left coupler body connect with right coupler body fulcrum generation, left coupler body lower part, right coupler body lower part hook head portions open,
Boom hoisting continues to move down, and encloses until the suspender of lifting prestressed-concrete pile mold from the driving of prestressed-concrete pile mold
It is completely fallen off at two sides.
What the gravity of torque and left coupler body lower part, right coupler body lower part that the present invention is generated using the elastic force of release pressure spring generated
The difference of numerical value between torque controls the opening and snap-action of gib head, has the structure simple, without with any power drive,
Environmentally protective, manufacturing cost is low, and movement is safe and reliable, easy to operate, and using the present invention, operative employee does not need again lower to high temperature steaming
Hook and decoupling device operation are carried out in vapour curing kilns, are alleviated the labor intensity of worker, have been prevented security risk, due to hanging Kai Yaogai
Afterwards, without waiting for cooling, lifting operation can be carried out, increase high temperature steam curing kiln is used in turn number, improves work
Make efficiency, reduces production cost.
Detailed description of the invention
Fig. 1 shows for the structure that the embodiment 1 of the suspender of present invention lifting prestressed-concrete pile mold is in free state
It is intended to.
Fig. 2 shows for the structure that the embodiment 2 of the suspender of present invention lifting prestressed-concrete pile mold is in free state
It is intended to.
Fig. 3 is the portion I enlarged diagram.
Fig. 4 is the A direction view of Fig. 1.
Fig. 5 is the embodiment 1 of suspender, the left coupler body of embodiment 2 and the right side of present invention lifting prestressed-concrete pile mold
The structural schematic diagram when two sides of coupler body hook head portions and prestressed-concrete pile mold driving circle contact.
Fig. 6 is the embodiment 1 of suspender, the left coupler body of embodiment 2 and the right side of present invention lifting prestressed-concrete pile mold
Coupler body hook head portions are caught in the structural schematic diagram of the neck of prestressed-concrete pile mold driving circle.
Fig. 7 is the embodiment 1 of suspender, the left coupler body of embodiment 2 and the right side of present invention lifting prestressed-concrete pile mold
Coupler body hook head portions structural schematic diagram in an open position.
Fig. 8 is that boom hoisting is shown using the structure that the embodiment of the present invention 1, embodiment 2 lift by crane prestressed-concrete pile mold
It is intended to.
In figure: 1 --- left coupler body lower part；2 --- link block；3 --- left coupler body top；4 --- lifting hole(eyelet)；6 --- spring
Casing；7 --- release pressure spring；9 --- spring guide；10 --- lifting hole(eyelet)；11 --- right coupler body top；12 --- connection fulcrum；
13 --- right coupler body lower part；16 --- slot；17 --- driving circle；19 --- high temperature steam curing kiln；20 --- boom hoisting.
Specific embodiment
In Fig. 1, containing left coupler body, right coupler body, left coupler body, right coupler body are flexibly connected, left coupler body, right coupler body upper end hang
Hole 4,10 is connect with the first hoist cable, the second hoist cable on boom hoisting 20 respectively, left coupler body lower part 1, right coupler body lower part 13 difference
It curves inwardly, pogo barrel 6, right 11 inside of coupler body top and lateral spring in left coupler body top 3 is mounted on the inside of left coupler body top 3
Spring guide 9 is mounted on the opposite position of casing 6, one end of release pressure spring 7 is placed in pogo barrel 6, discharges the another of pressure spring 7
One end cap has link block 2 on spring guide 9 in the middle part of left coupler body, be slot 16 inside link block 2, and the effect of slot 16 is to prevent
The right coupler body being only flexibly connected with left coupler body opens too greatly in the case where release pressure spring 7 acts on, and causes release pressure spring 7 to fall off, slot 16
The two sides hole Shang You, right coupler body passes through from slot 16, the corresponding position lateral opening with the two sides of slot 16 in the middle part of right coupler body
It also is provided with hole, the both ends of connection fulcrum 12 are fixedly connected with the two sides of slot 16 by the hole on 16 two sides of slot, are connected
The middle part of fulcrum 12 passes through the hole in the middle part of right coupler body or left coupler body, is flexibly connected with right coupler body or left coupler body, discharges the bullet of pressure spring 7
The difference for the torque that the gravity of torque and left coupler body lower part 1, right coupler body lower part 13 that power generates generates acts to control gib head, left hook
Body lower part 1, right coupler body lower part 13 gravity connect relative to left coupler body with right coupler body fulcrum 12 generation torque, be greater than release pressure
The elastic force that spring 7 acts on left coupler body top 3, right coupler body top 11 connect the power of the generation of fulcrum 12 relative to left coupler body with right coupler body
When square, left coupler body, right coupler body hook head portions are in occlusal position；Only when left coupler body or right coupler body hook head portions touch pre- answer
Power concrete-pile mold, prestressed-concrete pile mould action is in the active force of left coupler body or right coupler body hook head portions relative to a left side
Coupler body connect the torque of the generation of fulcrum 12 with right coupler body, counteracts the gravity of left coupler body lower part 1, right coupler body lower part 13 relative to a left side
Coupler body connect the torque of the generation of fulcrum 12 with right coupler body, acts on left coupler body top 3, right coupler body top 11 in release pressure spring 7
Elastic force is connect relative to left coupler body under the moment loading of the generation of fulcrum 12 with right coupler body, left coupler body lower part 1, right coupler body lower part 13
Hook head portions are opened, and left coupler body, right coupler body are in the open state.The lower hook side of left coupler body and right coupler body hook head portions is tiltedly flat
Face, the angle β between two lower hook sides are 70 °, guarantee the lower hook side of left coupler body and right coupler body gib head to touch prestressing force mixed
Can easily be opened when the two sides of solidifying soil pile die driving circle 17, left coupler body, right coupler body hook head portions upper hook side be tapered plane,
The bevel angle α of tapered plane is 6 °, guarantees that left coupler body and right coupler body gib head can be securely captured at prestressed-concrete pile mold driving circle
On the neck of 17 two sides.
In Fig. 2: containing left coupler body, right coupler body, left coupler body, right coupler body are flexibly connected, left coupler body, right coupler body upper end hang
Hole 4,10 is connect with the first hoist cable, the second hoist cable on boom hoisting 20 respectively, left coupler body lower part 1, right coupler body lower part 13 difference
It curves inwardly, pogo barrel 6, left 11 inside of coupler body top and lateral spring in right coupler body top 3 is mounted on the inside of right coupler body top 3
Spring guide 9 is mounted on the opposite position of casing 6, one end of release pressure spring 7 is placed in pogo barrel 6, discharges the another of pressure spring 7
One end cap has link block 2 on spring guide 9 in the middle part of right coupler body, be slot 16 inside link block 2, and the effect of slot 16 is to prevent
The left coupler body being only flexibly connected with right coupler body opens too greatly in the case where release pressure spring 7 acts on, and causes release pressure spring 7 to fall off, slot 16
The two sides hole Shang You, left coupler body passes through from slot 16, the corresponding position lateral opening with the two sides of slot 16 in the middle part of left coupler body
It also is provided with hole, the both ends of connection fulcrum 12 are fixedly connected with the two sides of slot 16 by the hole on 16 two sides of slot, are connected
The middle part of fulcrum 12 passes through the hole in the middle part of left coupler body, is flexibly connected with left coupler body, the torque and a left side that the elastic force of release pressure spring 7 generates
The difference of the torque of the gravity generation of coupler body lower part 1, right coupler body lower part 13 acts to control gib head, under left coupler body lower part 1, right coupler body
The gravity in portion 13 connect the torque of the generation of fulcrum 12 relative to left coupler body with right coupler body, acts on left coupler body greater than release pressure spring 7
Top 3, right coupler body top 11 elastic force connect relative to left coupler body with right coupler body fulcrum 12 generation torque when, left coupler body, the right side
Coupler body hook head portions are in occlusal position；Only when left coupler body or right coupler body hook head portions touch prestressed-concrete pile mould
Tool, prestressed-concrete pile mould action is in the active force of left coupler body or right coupler body hook head portions relative to left coupler body and right coupler body
The torque that fulcrum 12 generates is connected, counteracts the gravity of left coupler body lower part 1, right coupler body lower part 13 relative to left coupler body and right coupler body
The torque that fulcrum 12 generates is connected, acts on the elastic force on left coupler body top 3, right coupler body top 11 relative to a left side in release pressure spring 7
Coupler body connect with right coupler body fulcrum 12 generation moment loading under, left coupler body lower part 1, right coupler body lower part 13 hook head portions beat
It opens, left coupler body, right coupler body are in the open state.The lower hook side of left coupler body and right coupler body hook head portions is tapered plane, two lower hooks
Angle β between face is 80 °, guarantees that the lower hook side of left coupler body and right coupler body gib head is touching the drive of prestressed-concrete pile mold
Can easily be opened when the two sides of moving-coil 17, left coupler body, right coupler body hook head portions upper hook side be tapered plane, the oblique angle of tapered plane
α is 9 °, guarantees that left coupler body and right coupler body gib head can be securely captured on the neck of 17 two sides of prestressed-concrete pile mold driving circle.
With the present invention lifting prestressed-concrete pile mold method, by lift by crane prestressed-concrete pile mold suspender from
On boom hoisting slowly downwards release, at this point, left coupler body lower part 1, right coupler body lower part 13 gravity under, left coupler body lower part
1, the gravity of right coupler body lower part 13 connect the torque of the generation of fulcrum 12 relative to left coupler body with right coupler body, is greater than release pressure spring 7 and makees
Elastic force for left coupler body top 3, right coupler body top 11 connect relative to left coupler body the torque of the generation of fulcrum 12 with right coupler body, left
Coupler body lower part 1, right coupler body lower part 13 gravity overcome the elastic force effect of release pressure spring 7, make left coupler body, at right coupler body hook head portions
In occlusal position, the suspender for lifting by crane prestressed-concrete pile mold is in release conditions.
The suspender of lifting prestressed-concrete pile mold continues to move down from boom hoisting, when left coupler body and right coupler body gib head
When partial lower hook side is contacted with the two sides of prestressed-concrete pile mold driving circle 17 respectively, prestressed-concrete pile mold
The two sides of driving circle 17 act on left coupler body and the active force of right coupler body hook head portions is connect relative to left coupler body with right coupler body
The torque that fulcrum 12 generates, counteracts left coupler body lower part 1, the gravity of right coupler body lower part 13 is connect relative to left coupler body with right coupler body
The torque that fulcrum 12 generates acts on the elastic force on left coupler body top 3, right coupler body top 11 relative to left coupler body in release pressure spring 7
Connect with right coupler body fulcrum 12 generation moment loading under, left coupler body lower part 1, right coupler body lower part 13 hook head portions with lifting
The suspender of prestressed-concrete pile mold, which moves down, gradually to be opened, when left coupler body lower part 1, right coupler body lower part 13 hook head portions under
Hook side slip over prestressed-concrete pile mold driving circle 17 two sides after, left coupler body lower part 1, right coupler body lower part 13 gravity phase
The torque of the generation of fulcrum 12 is connect with right coupler body for left coupler body, acts on left coupler body top 3, right coupler body greater than release pressure spring 7
The elastic force on top 11 connect the torque of the generation of fulcrum 12 relative to left coupler body with right coupler body, in the case where release pressure spring 7 acts on, left coupler body
Lower part 1, right coupler body lower part 13 hook head portions be caught in prestressed-concrete pile mold driving circle 17 neck on.
Boom hoisting 20 slowly lifts by crane the suspender for lifting by crane prestressed-concrete pile mold upwards, prestressed-concrete pile mould
Tool is hung out from high temperature steam curing kiln 19 by the suspender of lifting prestressed-concrete pile mold.
Boom hoisting 20 will lift by crane prestressed-concrete pile mold for after prestressed-concrete pile mould lifting to ground
Suspender from boom hoisting 20 slowly downwards release, left coupler body lower part 1, right coupler body lower part 13 hook head portions touch prestressing force
After concrete-pile mold ontology, prestressed-concrete pile die ontology acts on the active force of left coupler body and right coupler body hook head portions
The torque of the generation of fulcrum 12 is connect with right coupler body relative to left coupler body, counteracts the gravity of left coupler body lower part 1, right coupler body lower part 13
The torque of the generation of fulcrum 12 is connect with right coupler body relative to left coupler body, acts on left coupler body top 3, right coupler body in release pressure spring 7
The elastic force on top 11 is connect under the moment loading of the generation of fulcrum 12 with right coupler body relative to left coupler body, left coupler body lower part 1, right coupler body
The hook head portions of lower part 13 are opened, and boom hoisting 20 continues to move down, until the suspender of lifting prestressed-concrete pile mold is from pre-
It is completely fallen off at the two sides of prestressed concrete pile die driving circle 17.
Claims (7)
1. one kind can lift by crane the suspender of prestressed-concrete pile mold from high temperature steam curing kiln, contain left coupler body, right hook
Body, left coupler body, right coupler body be flexibly connected, left coupler body, right coupler body upper end connect respectively with boom hoisting, left coupler body lower part, the right side
Coupler body lower part is respectively bent inward, it is characterised in that is mounted between left coupler body top, right coupler body top by the generation of its elastic force
Torque and left coupler body lower part, right coupler body lower part the torque that generates of gravity between the difference of numerical value control the release of gib head movement
Pressure spring, left coupler body lower part, right coupler body lower part gravity the torque of fulcrum generation is connect with right coupler body relative to left coupler body, greater than releasing
Bleed off pressure spring act on left coupler body top, right coupler body top elastic force connect relative to left coupler body with right coupler body fulcrum generation torque
When, left coupler body, right coupler body hook head portions are in occlusal position；When left coupler body or right coupler body hook head portions touch prestressed concrete
Native pile die, prestressed-concrete pile mould action in the active force of left coupler body or right coupler body hook head portions relative to left coupler body with
The torque that right coupler body connection fulcrum generates, counteracts the gravity of left coupler body lower part, right coupler body lower part relative to left coupler body and right hook
Body connects the torque that fulcrum generates, release pressure spring act on left coupler body, right coupler body top elastic force relative to left coupler body and right
Coupler body connect fulcrum generate moment loading under, left coupler body lower part, right coupler body lower part hook head portions open；
There is link block in the middle part of left coupler body or right coupler body, is slot, the two sides hole Shang You of slot, right coupler body or a left side inside link block
Coupler body is passed through from the slot in the middle part of left coupler body or right coupler body, in the middle part of right coupler body or left coupler body, in the lateral opening phase in the two sides of slot
It answers and also is provided with hole at position, the both ends for connecting fulcrum are fixedly connected by the hole on slot two sides with the two sides of slot, even
Hole of the middle part of fulcrum in the middle part of right coupler body or left coupler body is connect, is flexibly connected with right coupler body or left coupler body.
2. one kind according to claim 1 can lift by crane hanging for prestressed-concrete pile mold from high temperature steam curing kiln
Tool, it is characterised in that left coupler body or the inner side edge on right coupler body top are equipped with pogo barrel, and release pressure spring one end is placed in spring pocket
In pipe, another end cap of pogo barrel is on the spring guide on the inner side edge on right coupler body or left coupler body top.
3. one kind according to claim 1 or 2 can lift by crane prestressed-concrete pile mold from high temperature steam curing kiln
Suspender, it is characterised in that the lower hook side of left coupler body and right coupler body hook head portions is tapered plane, the angle β between two lower hook sides
It is 60-90 °, guarantees that the lower hook side part on left coupler body and right coupler body gib head is touching prestressed-concrete pile mold driving circle
Two sides when can easily open.
4. one kind according to claim 2 can lift by crane hanging for prestressed-concrete pile mold from high temperature steam curing kiln
Tool, it is characterised in that the lower hook side of left coupler body and right coupler body gib head is tapered plane, and the angle β between two lower hook sides is 60-
90°。
5. one kind according to claim 3 can lift by crane hanging for prestressed-concrete pile mold from high temperature steam curing kiln
Tool, it is characterised in that left coupler body, right coupler body hook head portions upper hook side be tapered plane, the bevel angle α of tapered plane is 5-10 °.
6. one kind according to claim 4 can lift by crane hanging for prestressed-concrete pile mold from high temperature steam curing kiln
Tool, it is characterised in that left coupler body, right coupler body hook head portions upper hook side be tapered plane, the bevel angle α of tapered plane is 5-10 °.
7. can be from the suspender for lifting by crane prestressed-concrete pile mold in high temperature steam curing kiln using described in claim 1
The method for hanging prestressed-concrete pile mold, the suspender for lifting by crane prestressed-concrete pile mold is slowly downward from boom hoisting
Release, at this point, left coupler body lower part, right coupler body lower part gravity under, left coupler body lower part, the gravity of right coupler body lower part are opposite
It is connect with right coupler body the torque of fulcrum generation in left coupler body, acts on left coupler body top, right coupler body top greater than release pressure spring
Elastic force connect the torque of fulcrum generation relative to left coupler body with right coupler body, left coupler body lower part, right coupler body lower part gravity overcome and release
The elastic force effect for bleeding off pressure spring makes left coupler body, right coupler body hook head portions be in occlusal position, lifting prestressed-concrete pile mold
Suspender is in release conditions；
The suspender of lifting prestressed-concrete pile mold continues to move down from boom hoisting, when left coupler body and right coupler body hook head portions
When the lower hook side of lower part is contacted with the two sides of prestressed-concrete pile mold driving circle respectively, prestressed-concrete pile mold is driven
The two sides of moving-coil act on left coupler body and the active force of right coupler body hook head portions connect fulcrum with right coupler body relative to left coupler body
The torque of generation, the gravity for counteracting left coupler body lower part, right coupler body lower part connect fulcrum generation relative to left coupler body with right coupler body
Torque, act on the elastic force on left coupler body top, right coupler body top in release pressure spring and connect relative to left coupler body with right coupler body and prop up
Axis generate moment loading under, left coupler body lower part, right coupler body lower part hook head portions, with lifting prestressed-concrete pile mold
Suspender move down and gradually open, when the lower hook side of the hook head portions of left coupler body lower part, right coupler body lower part slips over prestressed concrete
Pile die driving circle two sides after, left coupler body lower part, right coupler body lower part gravity connect relative to left coupler body with right coupler body prop up
The torque that axis generates acts on the elastic force on left coupler body top, right coupler body top relative to left coupler body and right hook greater than release pressure spring
Body connect fulcrum generate torque, release pressure spring effect under, left coupler body lower part, right coupler body lower part hook head portions be caught in pre- answer
The neck of power concrete-pile mold driving circle；
Boom hoisting slowly lifts by crane the suspender for lifting by crane prestressed-concrete pile mold upwards, and prestressed-concrete pile mold is risen
The suspender for hanging prestressed-concrete pile mold is hung out from high temperature steam curing kiln；
Boom hoisting by after prestressed-concrete pile mould lifting to ground, will lift by crane the suspender of prestressed-concrete pile mold from
On boom hoisting slowly downwards release, left coupler body lower part, right coupler body lower part hook head portions touch prestressed-concrete pile mould
After having ontology, prestressed-concrete pile die ontology acts on the active force of left coupler body and right coupler body hook head portions relative to left hook
Body connect with right coupler body fulcrum generation torque, counteract left coupler body lower part, right coupler body lower part gravity relative to left coupler body with
The torque that right coupler body connection fulcrum generates acts on the elastic force on left coupler body top, right coupler body top relative to a left side in release pressure spring
Coupler body connect with right coupler body fulcrum generation moment loading under, left coupler body lower part, right coupler body lower part hook head portions open, lifting
Device continues to move down, until the suspender of lifting prestressed-concrete pile mold drives the two sides enclosed from prestressed-concrete pile mold
It is completely fallen off at side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310676507.4A CN103723621B (en) | 2013-12-13 | 2013-12-13 | Lift by crane the suspender and its hoisting method of prestressed-concrete pile mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310676507.4A CN103723621B (en) | 2013-12-13 | 2013-12-13 | Lift by crane the suspender and its hoisting method of prestressed-concrete pile mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103723621A CN103723621A (en) | 2014-04-16 |
| CN103723621B true CN103723621B (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310676507.4A Active CN103723621B (en) | 2013-12-13 | 2013-12-13 | Lift by crane the suspender and its hoisting method of prestressed-concrete pile mold |
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| CN (1) | CN103723621B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2032606U (en) * | 1987-06-27 | 1989-02-15 | 陕西省水利机械厂 | Loading and unloading hook separating device |
| CN1274910C (en) * | 2004-10-12 | 2006-09-13 | 大连理工大学 | Hydraulic tripper of strong rammer and its tripping method |
| CN102976201A (en) * | 2011-09-07 | 2013-03-20 | 北京南口轨道交通机械有限责任公司 | Lifting appliance |
| DE102011119898A1 (en) * | 2011-11-30 | 2013-06-06 | Liebherr-Werk Biberach Gmbh | Device for mounting or dismounting a crane |
| CN203269352U (en) * | 2013-01-30 | 2013-11-06 | 中国十七冶集团有限公司 | Clamp forceps for hoisting steel purlins |
| CN203699674U (en) * | 2013-12-13 | 2014-07-09 | 盐城市双强管桩有限公司 | Lifting appliance for lifting prestressed concrete pile mould |
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| CN103723621A (en) | 2014-04-16 |
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