CN208729677U - Pin shaft dismounting device for derrick crane - Google Patents
Pin shaft dismounting device for derrick crane Download PDFInfo
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- CN208729677U CN208729677U CN201821384106.6U CN201821384106U CN208729677U CN 208729677 U CN208729677 U CN 208729677U CN 201821384106 U CN201821384106 U CN 201821384106U CN 208729677 U CN208729677 U CN 208729677U
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- pin shaft
- jack
- pedestal
- dismounting device
- stand
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Abstract
It include pedestal, jack and stand the utility model discloses a kind of pin shaft dismounting device for derrick crane, stand bottom end is installed on pedestal, the top of stand is equipped with for being clamped in tower crane upper pin installation position with fixed two clamping plates, one side of the pedestal towards clamping plate is arranged in jack, clamping plate is equipped with the through-hole passed through for pin shaft, and alignment through-hole, which is equipped with, on the telescopic end of jack pushes away column for pushing tow pin shaft.The pin shaft dismounting device for being used for derrick crane has many advantages, such as that structure is simple, easy for installation, disassembly efficiency is high and can uniformly exert a force to prevent stopping loss and hurting pin shaft.
Description
Technical field
The utility model relates to derrick crane assembling and disassembling technical field of construction, more particularly to one kind to be used for tower lifting
The pin shaft dismounting device of machine.
Background technique
Derrick crane (referred to as " tower crane ") is a kind of important vertical hoisting transporting equipment, has been played very in construction
Big effect.The main components such as column crane mast section, crane arm, counter-jib are attached by pin shaft.Pin in tower crane
During installation, usually after the contraposition of two connecting components, worker strikes pin shaft using jump bit to make pin shaft just pin shaft axis
Position installation is allowed to exit mounting hole using manually striking pin shaft when dismounting again.This mode manually struck exerts a force not to pin shaft
Uniformly, certain deformation can be generated to generate residual stress to pin shaft, when impact is also easily destroyed pin shaft anticorrosion galvanizing layer, influences
Pin shaft service life.Pin shaft assembling and disassembling large labor intensity simultaneously, the especially operation horizontal when high-altitude carries out tower crane standard knot dismounting
Platform is narrow, and significantly manually impact labor intensity is high during assembling and disassembling, security risk is big.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of the prior art and provide that a kind of structure is simple, installation
Conveniently, disassembly efficiency is high and can uniformly exert a force to prevent stopping loss the pin shaft dismounting device for derrick crane for hurting pin shaft.
In order to solve the above technical problems, the utility model uses following technical scheme:
A kind of pin shaft dismounting device for derrick crane, including pedestal, jack and stand, the stand bottom end are solid
If on the base, the top of the stand is equipped with for being clamped in tower crane upper pin installation position with two pieces of fixed folders
The pedestal is arranged in towards the one side of the clamping plate in plate, the jack, and the clamping plate is equipped with to be led to for what pin shaft passed through
Hole, the through-hole is directed on the telescopic end of the jack is equipped with and push away column for pushing tow pin shaft.
As a further improvement of the above technical scheme:
The stand includes fixed four columns on the base, and four columns are uniformly divided in the jack surrounding
Cloth, the clamping plate offer four sets of holes corresponding to four columns setting in the through-hole surrounding, and two clamping plates pass through respectively
In four columns, the column is equipped with for driving two clamping plates are close to each other to be clamped in four sets of holes alignment sliding sleeve thereon
The driving mechanism of tower crane upper pin installation position.
The driving mechanism includes at least four pairs of nuts and four threaded posts for being separately positioned on four columns top, often
At least a pair of of nut is threadedly coupled in threaded post on root post, two clamping plates are arranged between each pair of nut.
The pedestal is equipped with the fixation kit for fixing the jack.
The fixation kit includes fixed on the base and equally distributed at least two pieces in the jack surrounding
Support plate and it is arranged on each support plate for pushing the pushing group bar of the very heavy side wall.
The pushing group bar includes screw rod, a pair of of adjusting nut and is arranged in the screw rod close to described jack one end
Arc fastener, the support plate offers perforation, and the screw rod is inserted in the opposite end of the arc fastener in described
Perforation, the adjusting nut are threadedly connected to the screw rod, and the support plate is between two adjusting nuts.
Central axis of the screw rod perpendicular to the jack.
Compared with the prior art, the advantages of the utility model are:
The pin shaft dismounting device for derrick crane of the utility model includes pedestal, jack and stand, stand bottom
End is installed on pedestal, and the top of stand is equipped with for being clamped in tower crane upper pin installation position with fixed two clamping plates, and thousand
One side of the pedestal towards clamping plate is arranged in jin top, and clamping plate, which is equipped with, is used for the through-hole that pin shaft passes through, right on the telescopic end of jack
Quasi- through-hole, which is equipped with, pushes away column for pushing tow pin shaft.When disassembly pin shaft, first capturing position fixes stand and installs in tower crane upper pin
Position, allows two through hole alignment on two clamping plates and coaxially in pin shaft, and starting jack is uniformly applied by the telescopic end of jack
Power pushing tow goes out pin shaft, when installation pin shaft, likewise, first capturing position fixes stand in tower crane upper pin installation position, and allows
The length of very heavy about pin shaft of the distance for being lifted off nearest clamping plate, then pin shaft is placed on the telescopic end of jack and is directed at folder
The through-hole of plate starts jack, uniformly forces in pin shaft and pin shaft is pushed into the hole for being set with pin shaft in tower crane.Between two clamping plates
Distance is adjustable, is adaptable to tower crane difference component and different tower crane models；Distance between arc fastener is adjustable, is suitable for
It is applied widely in the jack of different model；It is simple and convenient, it can largely save pin shaft installation or remove process labour,
Work progress safety, it is especially prominent to install its security performance particularly with high-altitude, and work progress strength is uniform, will not be to pin shaft
Or component causes to damage, jack implements pushing tow operation, is convenient for control and pin shaft assembling and disassembling is high-efficient.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the utility model for the pin shaft dismounting device use state of derrick crane.
Fig. 2 is structural schematic diagram of the utility model for the pin shaft dismounting device of derrick crane.
Fig. 3 is structural schematic diagram of the utility model for the pin shaft dismounting device middle clamp plate of derrick crane.
Fig. 4 is structural schematic diagram of the utility model for pushing group bar in the pin shaft dismounting device of derrick crane.
Each label indicates in figure:
1, pedestal；2, jack；21, column is pushed away；3, stand；31, column；4, clamping plate；41, through-hole；42, sets of holes；5, it drives
Mechanism；51, nut；52, threaded post；6, fixation kit；61, support plate；611, it perforates；62, pushing group bar；621, screw rod；
622, adjusting nut；623, arc fastener；7, pin shaft.
Specific embodiment
The utility model is described in further details below with reference to Figure of description and specific embodiment.
Fig. 1 to Fig. 4 shows the pin shaft dismounting device for derrick crane of the present embodiment, including pedestal 1, jack
2 and stand 3,3 bottom end of stand be installed on pedestal 1, the top of stand 3 is equipped with for being clamped in 7 installation position of tower crane upper pin
With fixed two clamping plates 4, pedestal 1 is arranged in towards the one side of clamping plate 4 in jack 2, and clamping plate 4 is equipped with to be passed through for pin shaft 7
Through-hole 41, alignment through-hole 41, which is equipped with, on the telescopic end of jack 2 pushes away column 21 for pushing tow pin shaft 7.In the structure, including bottom
Seat 1, jack 2 and stand 3, the pedestal 1 be welded to connect with stand 3 it is integral, the top of stand 3 be equipped with energy it is close to each other or
The separate two clamping plates 4 of person, two clamping plates 4 fix stand 3 for being clamped in 7 installation position of tower crane upper pin in selling in tower crane
7 installation position of axis, and the two through hole 41 on two clamping plates 4 is aligned and coaxially in right on pin shaft 7, the telescopic end of jack 2
Quasi- through-hole 41, which is welded with, pushes away column 21, pushes away column 21 for pushing tow pin shaft 7, when disassembly pin shaft 7, first capturing position fixes stand 3 and exists
7 installation position of tower crane upper pin, allows the alignment of two through hole 41 on two clamping plates 4 and coaxially in pin shaft 7, and starting jack 2 passes through
The telescopic end of jack 2 pushing tow that uniformly exerts a force goes out pin shaft 7, when installation pin shaft 7, likewise, first capturing position fixes stand 3 and exists
7 installation position of tower crane upper pin, and allow the length of the about pin shaft 7 with a distance from nearest clamping plate 4 of jack 2, then by pin
Axis 7 is placed on the telescopic end of jack 2 and is directed at the through-hole 41 of clamping plate 4, starts jack 2, uniformly forces in pin shaft 7 for pin shaft 7
Be pushed into tower crane on be set with pin shaft 7 hole in, overall structure is simple, easy for installation, disassembly efficiency is high and can uniformly exert a force to prevent
It stops loss and hurts pin shaft 7.
In the present embodiment, stand 3 includes the four columns 31 being fixed on pedestal 1, and four columns 31 are in 2 surrounding of jack
It is uniformly distributed, clamping plate 4 offers four sets of holes 42 being arranged corresponding to four columns 31 in 41 surrounding of through-hole, and two clamping plates 4 divide
Sliding sleeve is not directed in four columns 31 by four sets of holes 42 thereon, and column 31 is equipped with for driving two clamping plates 4 mutual
Close to the driving mechanism 5 for being clamped in 7 installation position of tower crane upper pin.In the structure, stand 3 is mainly made of four columns 31,
The bottom end of four columns 31 is respectively welded on pedestal 1, is opened up on clamping plate 4 there are four sets of holes 42, four sets of holes 42 are uniformly distributed
In through-hole 41 and correspond to the setting of four columns 31, two clamping plates 4 are directed at sliding sleeve in four by four sets of holes 42 thereon respectively
Root post 31, two clamping plates 4 can be close to each other along column 31 or be remotely slided, and column 31 is equipped with for driving two pieces
The driving mechanism 5 close to each other for being clamped in 7 installation position of tower crane upper pin of clamping plate 4, clamping plate 4 through this structure cooperate this structure
Stand 3 clamp and be fixed in tower crane, keep distance between clamping plate 4 adjustable, be adaptable to tower crane difference component and different
Tower crane model.
In the present embodiment, driving mechanism 5 includes four pairs of nuts 51 and is separately positioned on four of 31 top of four columns
Threaded post 52 is threadedly coupled a pair of of nut 51 in the threaded post 52 in each column 31, and two clamping plates 4 are arranged in each pair of nut 51
Between.In the structure, two clamping plates 4 drive adjustment distance between the two by adjusting the relative distance of each pair of nut 51,
Its structure is simple, adjusts easy to operate.
In the present embodiment, pedestal 1 is equipped with the fixation kit 6 for fixing jack 2.The structure, jack 2 pass through solid
Determine component 6 and is removably placed on pedestal 1, can be as needed, select different jack 2.
In the present embodiment, fixation kit 6 includes being installed on pedestal 1 and in the equally distributed two pieces of branch of 2 surrounding of jack
It holds plate 61 and is arranged on each support plate 61 for pushing the pushing group bar 62 of 2 side wall of jack.In the structure, fixed group
Part 6 includes two pieces of support plates 61 and pushing group bar 62, and two pieces of support plates 61 are installed on pedestal 1 and uniform in 2 surrounding of jack
Distribution, pushing group bar 62 push 2 side wall of jack simultaneously for pushing 2 side wall of jack, two pushing group bars 62 to fix thousand
Jin top 2, structure is simple, adjusts easy to operate.
In the present embodiment, pushing group bar 62 includes that screw rod 621, a pair of of adjusting nut 622 and setting are close in screw rod 621
The arc fastener 623 of 2 one end of jack, support plate 61 offer perforation 611, and screw rod 621 is opposite in arc fastener 623
End cap enter perforation 611, adjusting nut 622 is threadedly connected to screw rod 621, support plate 61 between two adjusting nuts 622,
Screw rod 621 is arranged perpendicular to the central axis of jack 2.In the structure, screw rod 621 and arc fastener 623 are integrally welded, branch
It holds plate 61 and offers perforation 611,621 one end of screw rod passes through perforation 611, and screws on a pair of of adjusting nut 622 in screw rod 621, will
Support plate 61 is pressed between this adjusting nut 622, solid to push and pull arc fastener 623 to adjusting nut 622 by adjusting this
Fixed or change jack 2, the arcwall face of arc fastener 623 is matched with the circumferential surface of jack 2, when being fixed jack 2, Gu
It is fixed stronger.
Although the utility model is disclosed as above with preferred embodiment, it is not intended to limit the utility model.It is any
Those skilled in the art, in the case where not departing from technical solutions of the utility model range, all using the disclosure above
Technology contents many possible changes and modifications are made to technical solutions of the utility model, or be revised as the equivalent of equivalent variations
Embodiment.Therefore, all contents without departing from technical solutions of the utility model, according to the utility model technical spirit to the above reality
Any simple modifications, equivalents, and modifications that example is done are applied, should all be fallen in the range of technical solutions of the utility model protection.
Claims (7)
1. a kind of pin shaft dismounting device for derrick crane, it is characterised in that: including pedestal (1), jack (2) and stand
(3), stand (3) bottom end is installed on the pedestal (1), and the top of the stand (3) is equipped with for being clamped in tower crane
Pin shaft (7) installation position is with fixed two clamping plates (4), and jack (2) setting is in the pedestal (1) towards the clamping plate
(4) one side, the clamping plate (4), which is equipped with, is used for the through-hole (41) that pin shaft (7) pass through, on the telescopic end of the jack (2)
It is directed at the through-hole (41) and is equipped with and push away column (21) for pushing tow pin shaft (7).
2. the pin shaft dismounting device according to claim 1 for derrick crane, it is characterised in that: the stand (3)
Including the four columns (31) being fixed on the pedestal (1), four columns (31) Yu Suoshu jack (2) surrounding is uniformly divided
Cloth, clamping plate (4) Yu Suoshu through-hole (41) surrounding offer corresponding to four columns (31) setting four sets of holes (42), two
Block clamping plate (4) is directed at sliding sleeve in four columns (31) by four sets of holes (42) thereon respectively, and the column (31) is equipped with
For driving two clamping plates (4) driving mechanism (5) close to each other for being clamped in tower crane upper pin (7) installation position.
3. the pin shaft dismounting device according to claim 2 for derrick crane, it is characterised in that: the driving mechanism
It (5) include at least four pairs of nuts (51) and four threaded posts (52) for being separately positioned on four columns (31) top, every vertical
At least a pair of of nut (51) is threadedly coupled in threaded post (52) on column (31), two clamping plates (4) are arranged in each pair of nut (51)
Between.
4. the pin shaft dismounting device according to any one of claim 1 to 3 for derrick crane, it is characterised in that:
The pedestal (1) is equipped with the fixation kit (6) for fixing the jack (2).
5. the pin shaft dismounting device according to claim 4 for derrick crane, it is characterised in that: the fixation kit
(6) include be installed on the pedestal (1) and in the equally distributed at least two pieces of support plates (61) of the jack (2) surrounding,
And the pushing group bar (62) for pushing the jack (2) side wall is set on each support plate (61).
6. the pin shaft dismounting device according to claim 5 for derrick crane, it is characterised in that: the pushing group bar
It (62) include screw rod (621), a pair of of adjusting nut (622) and setting in the screw rod (621) the close jack (2) one
The arc fastener (623) at end, the support plate (61) offer perforation (611), screw rod (621) the Yu Suoshu arc pressing
The opposite end of part (623) is inserted in the perforation (611), and the adjusting nut (622) is threadedly connected to the screw rod
(621), the support plate (61) is between two adjusting nuts (622).
7. the pin shaft dismounting device according to claim 6 for derrick crane, it is characterised in that: the screw rod
(621) perpendicular to the central axis of the jack (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821384106.6U CN208729677U (en) | 2018-08-27 | 2018-08-27 | Pin shaft dismounting device for derrick crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821384106.6U CN208729677U (en) | 2018-08-27 | 2018-08-27 | Pin shaft dismounting device for derrick crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208729677U true CN208729677U (en) | 2019-04-12 |
Family
ID=66031283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821384106.6U Active CN208729677U (en) | 2018-08-27 | 2018-08-27 | Pin shaft dismounting device for derrick crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208729677U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112124262A (en) * | 2020-09-01 | 2020-12-25 | 湖南响箭重工科技有限公司 | Assembly system of pump truck rear support leg lower end pin shaft |
| CN112975835A (en) * | 2021-02-04 | 2021-06-18 | 中国十九冶集团有限公司 | Segment opening device for slab caster sector segment and method for removing pin shaft |
| CN113001136A (en) * | 2021-02-25 | 2021-06-22 | 廊坊中建机械有限公司 | Automatic loading and unloading system for standard joint pin shaft of tower crane |
| CN113334310A (en) * | 2021-05-12 | 2021-09-03 | 浙江省建设工程机械集团有限公司 | Pin shaft dismounting device |
| CN113910160A (en) * | 2021-11-09 | 2022-01-11 | 红塔烟草(集团)有限责任公司 | Jack type pin shaft dismantling tool and method |
-
2018
- 2018-08-27 CN CN201821384106.6U patent/CN208729677U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112124262A (en) * | 2020-09-01 | 2020-12-25 | 湖南响箭重工科技有限公司 | Assembly system of pump truck rear support leg lower end pin shaft |
| CN112975835A (en) * | 2021-02-04 | 2021-06-18 | 中国十九冶集团有限公司 | Segment opening device for slab caster sector segment and method for removing pin shaft |
| CN113001136A (en) * | 2021-02-25 | 2021-06-22 | 廊坊中建机械有限公司 | Automatic loading and unloading system for standard joint pin shaft of tower crane |
| CN113334310A (en) * | 2021-05-12 | 2021-09-03 | 浙江省建设工程机械集团有限公司 | Pin shaft dismounting device |
| CN113910160A (en) * | 2021-11-09 | 2022-01-11 | 红塔烟草(集团)有限责任公司 | Jack type pin shaft dismantling tool and method |
| CN113910160B (en) * | 2021-11-09 | 2023-10-27 | 红塔烟草(集团)有限责任公司 | Jack type pin shaft dismantling tool and method for dismantling pin shaft |
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