CN107555327A - A kind of tower crane standard knot for being readily transported dismounting - Google Patents
A kind of tower crane standard knot for being readily transported dismounting Download PDFInfo
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- CN107555327A CN107555327A CN201711013197.2A CN201711013197A CN107555327A CN 107555327 A CN107555327 A CN 107555327A CN 201711013197 A CN201711013197 A CN 201711013197A CN 107555327 A CN107555327 A CN 107555327A
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- main chord
- web member
- diagonal web
- tower crane
- support bar
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 241000282326 Felis catus Species 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 210000001015 abdomen Anatomy 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Abstract
The invention belongs to derrick crane apparatus field, specifically provide a kind of tower crane standard knot for being readily transported dismounting, including four main chords in rectangular layout, it is fixedly connected between two adjacent main chords by diagonal web member group, each diagonal web member group is made up of the different upper diagonal web member of incline direction and lower diagonal web member, the top and bottom of each main chord are respectively provided with pin shaft hole, and dismountable plugged and fixed bearing pin is provided with the pin shaft hole of main chord upper end or lower end；Connecting platform is additionally provided between the upper end of four main chords.The tower crane standard knot dismounting and transport of the present invention is all more convenient, and body steadiness is stronger, employ chip angle steel main chord further reduce take volume facilitate transport, the tower crane standard knot installation accuracy of the present invention is higher simultaneously, and the main chord of four identical slice structures forms skeleton, it is higher compared to monolithic devices tower crane utilization rate therefore all tower crane standard knots of a tower crane can exchange.
Description
Technical field
The invention belongs to derrick crane apparatus field, and in particular to a kind of tower crane standard knot for being readily transported and dismounting.
Background technology
The tower body of derrick crane is generally formed by several tower crane standard knot assembly and connections.Tower crane standard knot will bear lifting
The work load and tower body superstructure gravity load of machine, it is crucial primary structure member.Therefore, tower crane standard knot will generally be abided by
Follow the design principle of high intensity and high rigidity.
It is more in traditional tower crane standard knot structure to carry out part assembling by the way of welding based on above design principle.
The mode of welding can no doubt obtain higher strength and stiffness, but also bring the problem of transport is inconvenient simultaneously.Cause is,
After often section tower crane standard knot is welded and fixed, being transported to during workplace to dismantle, and take more transport space.Together
When, tower crane standard knot of the tradition based on welding can also meet the problem of dismounting is inconvenient after tower crane production is carried out.Together
When, it is connected with each other with adapter sleeve between traditional tower crane standard knot, connection is unstable, easily produces skew.Traditional tower crane mark
Usually require to be reinforced from the bolt of high intensity between quasi- section, cost is higher.
It is main such as notification number CN202400757U Chinese utility model patent individually discloses a kind of tower crane standard knot
To use welding etc. to be fixedly connected with mode and carry out part assembling.The stability of tower crane body for aforementioned transport inconvenience be present, forming is not strong
The problems such as.
The content of the invention
In order to solve above mentioned problem existing for prior art, the invention provides a kind of convenient transportation, convenient disassembly, composition
The strong tower crane standard knot of stability of tower crane body.
The orientation concept such as up and down occurred in the present invention is on the basis of usual daily habits is deferred to, with accompanying drawing 1
Shown in tower crane standard knot and its orientation such as up and down of parts be defined.
What is occurred in the present invention is fixedly connected including being detachably fixed connection, and being detachably fixed the concrete mode of connection includes
Bearing pin, bolt, buckle etc..
The technical solution adopted in the present invention is：
The tower crane standard knot for being readily transported dismounting of the present invention, including in rectangular layout four main chords, adjacent two
It is fixedly connected between individual main chord by diagonal web member group, each diagonal web member group is by the different upper diagonal web member of incline direction and oblique abdomen
Bar forms, and the top and bottom of each main chord are respectively provided with pin shaft hole, is set in the pin shaft hole of main chord upper end or lower end
It is equipped with dismountable plugged and fixed bearing pin；Connecting platform is additionally provided between the upper end of four main chords.
It can realize that the Fast Installation between two neighboring tower crane standard knot is torn open by pin shaft hole and plugged and fixed bearing pin
Unload, use is more convenient.By the different upper and lower diagonal web member of incline direction, it is further ensured that tower crane standard knot is overall and consolidates
Property；So-called incline direction difference means that when upper diagonal web member is obliquely installed by upper left lower right lower diagonal web member is i.e. by lower-left
Direction upper right side tilts, and vice versa；The different and arranged in a crossed manner of incline direction can effectively lift the firm of tower crane standard knot
Property.
Preferably, the connecting platform, which includes four, is respectively welded the platform connection for being fixed on four main chord upper ends
Plate, connected by support bar between adjacent platform connecting plate, bolt hole, the support are provided with the platform connecting plate
Bar is fixedly connected with the platform connecting plate by the bolt being inserted in bolt hole；The connecting platform also includes singletree
First, strut and singletree two are erected, by four support bars according to being counterclockwise defined as support bar one, support bar successively respectively
2nd, support bar three and support bar four, one end of the perpendicular strut are fixedly installed on the middle part of the support bar one, the perpendicular strut
The other end be fixedly installed on the middle part of the support bar three, one end of the singletree two is fixedly installed on the perpendicular strut
Middle part, the other end of the singletree two are fixedly installed on the middle part of the support bar two, and one end of the singletree one is fixed
It is arranged at the perpendicular strut and is fixedly installed on the support close to one end of the support bar one, the other end of the singletree one
Bar four is close to one end of the support bar one；Expanded metal lath, the stull are provided between the perpendicular strut and the support bar two
Expanded metal lath is also equipped between bar one and the support bar one.
Preferably, the connecting platform also includes hound, one end of the hound is bolted on support
On the platform connecting plate that bar two and support bar three share, the other end of the hound is bolted on support bar one and branch
On the shared platform connecting plate of strut four.
Preferably, upper diagonal web member and the main chord where lower diagonal web member one end closer to the distance are determined in each diagonal web member group
Justice is main chord two, and backing plate is provided with the main chord two, and the backing plate pad is located at the main chord two and the upper oblique abdomen
Between bar and between the main chord two and the lower diagonal web member, clamping plate is additionally provided with the main chord two, it is described
Clamping plate is between the upper diagonal web member and the lower diagonal web member.
Preferably, being started with main chord two, it is main string successively to define remaining three main chords successively in the counterclockwise direction
Bar three, main chord four and main chord one；Diagonal web member group and the main chord between the main chord one and the main chord two
Diagonal web member group face between three and the main chord four is set, the main chord one and the main chord four and the main chord
Diagonal web member group face between two and the main chord three is set；Pass through connection between two groups of diagonal web member groups that any face is set
Securing plate is welded and fixed connection.
Preferably, multigroup diagonal web member group, the master are provided between two adjacent main chords from top to bottom
The top and bottom of chord member one, which are respectively welded, is fixedly installed upper junction plate and lower connecting plate, the main chord one and the main string
The left end of upper diagonal web member between bar two in the diagonal web member group of the top is welded and fixed with the upper junction plate to be connected, described
The left end of lower diagonal web member between main chord one and the main chord two in the diagonal web member group of bottom and the lower connection
Plate weld is fixedly connected, and the right-hand member of the diagonal web member group between the main chord one and the main chord two passes through bearing pin and main chord
Two are fixedly connected.
Preferably, around pin shaft hole on the main chord, and between the main chord one and the main chord two
The right-hand member of diagonal web member group be respectively provided with pasting board.
Preferably, it is additionally provided with reinforcing angle on the inside of the upper end of the main chord.
Preferably, be uniformly installed with the main chord it is multiple mark time, it is described to mark time as cat ladder pipe, the cat ladder pipe
Upper end welding is provided with guard ring.
Preferably, the upper diagonal web member and the lower diagonal web member are made by Q345B channel-section steels, the main chord is by angle
Steel is made.
Each scheme, beneficial effects of the present invention are based on more than：
First, carry out socket connection by bearing pin between tower crane standard knot provided by the invention to fix, keeping dismounting
And while transporting more convenient, eliminate high intensity in tradition and require fixing bolt.Inclined by the intersection of upper and lower diagonal web member
Tiltedly design, also further improve the steadiness of tower crane standard knot.
Secondly, it is detachably fixed in tower crane standard knot provided by the invention with bearing pin, bolt etc. based on connection, key position
It is aided with and is welded and fixed connection.So that the tower crane standard knot of the present invention can be disassembled into more while body steadiness is ensured
Scattered part, to further facilitate transport.Main chord uses angle steel slice structure, and space-consuming is smaller, can be further square
Just transport.Such as connecting platform again, can be by demounting bolt, and then by the main platform body among four support bars from tower crane mark
Disassembled completely on quasi- section, and then main platform body is superimposed and transported, further reduce space-consuming, convenience in transport.
3rd, tower crane standard knot of the invention can substantially reduce the maintenance cost of tower crane, monoblock type tower crane standard knot one
Need the fastening bolt of more than ten times year, and the present invention is connected using chip tower crane standard knot using bearing pin, it is not necessary to fasten height
Strength bolts, and then save maintenance cost.And the tower crane standard knot in the present invention is by four identical slice structures
Main chord composition, so all tower crane standard knots of a tower crane can exchange, compare monolithic devices tower crane utilization rate more
It is high.
4th, tower crane standard knot of the invention can grow one times compared to whole welding type standard knot length, install more
Convenient and swift, all diagonal web members use the back-to-back welding sequentially facing each other of Q345B type groove steel, between the diagonal web member of two faces
Uniform welding places securing plate, can further significantly increase the stability and reliability of tower crane standard knot of the present invention, while real
Existing inserting mode connection, substantially increases installation rate.
5th, the clamping plate and backing plate set up in of the invention improve the steadiness of tower crane standard knot, while also ensure that phase
The accuracy connected between adjacent every standard knot and between upper and lower diagonal web member.
6th, that sets up in the present invention marks time as cat ladder pipe, when cat ladder pipe is trampled above and below operator, can strangle into operation
In the middle part of member's sole, avoid flat board from trampling the skidding easily occurred, and then ensure that operator climbs safety.Meanwhile positioned at behaviour
Cat ladder pipe above work person can facilitate operator's firm grip as Handheld Division, and uniform welding protects on two rectangular tubes in addition
Circle, and then further lifting operation person climbs safety.In order to further lift security, the both ends of one of cat ladder pipe are excellent
Choosing is individually fixed in up and down on two connecting platforms.
7th, the upper and lower connecting plate and the reinforcing angle of inner side set up in of the invention can be further ensured that more piece tower crane
Firm connection between standard knot.Pin shaft hole and pin shaft design realize socket connection side between two section tower crane standard knots
Formula, it is easier for installation, consolidate.
8th, the connecting platform in the present invention provides the recreating facility of actual time safety for operator, four support bars and
Platform connecting plate on main chord has collectively constituted a bearing space, is had a rest temporarily use with supplying operator.Two stulls
Bar and a perpendicular strut are welded on four support bars, play a part of reinforcing, its more firm, safety made.Set up
Hound can block the space formed between support bar, and then formed and avoid operator from being not intended to fall more between support bar
For the Rest space of safety.
9th, a corner position of the connecting platform of tower crane standard knot of the present invention leaves a coffin, its excess-three
Face is then paved with expanded metal lath.Cat ladder one end of tower crane standard knot of the present invention is connected to two platforms connection of connecting platform coffin
On plate, the other end is welded on the singletree one of the coffin of next section tower crane standard knot connecting platform.So cause
Cat ladder pipe has certain angle of inclination, and three face rings of connecting platform set expanded metal lath, such design, if when operator climbs
Occur surprisingly dropping down from cat ladder, can fall on the platform of this section standard knot.Compared to remaining model tower crane standard knot
Cat ladder can more be ensured the climbing safety of operator, be provided for safer practical using cat ladder passage straight up and down
Working environment.
Brief description of the drawings
Fig. 1 is that a kind of main structure diagram of tower crane standard knot for being readily transported dismounting of the present invention (omits in figure
Connecting platform)；
Fig. 2 is the a-quadrant partial enlarged drawing in tower crane standard knot shown in Fig. 1；
Fig. 3 is a kind of structural representation of connecting platform being readily transported in the tower crane standard knot of dismounting of the present invention.
In figure：1 is main chord one；2 be to mark time；3 be pasting board；4 be platform connecting plate；5 be reinforcing angle；6 be pin shaft hole；
7 be upper junction plate；8 be upper diagonal web member；9 be reinforcement by connection plate；10 be clamping plate；11 be backing plate；12 be lower diagonal web member；13 be main string
Bar two；14 be lower connecting plate；15 be main chord three；16 be main chord four；17 be hound；18 be singletree one；19 be perpendicular support
Bar；20 be singletree two；21 be expanded metal lath；22 be support bar.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is further explained to the present invention
As shown in FIG. 1 to 3, the present embodiment provides a kind of tower crane standard knot for being readily transported dismounting, including rectangular cloth
Four main chords put, it is fixedly connected by diagonal web member group between adjacent two main chords, each diagonal web member group is by inclination side
Being formed to different upper diagonal web members 8 and lower diagonal web member 12, the top and bottom of each main chord are respectively provided with pin shaft hole 6,
Dismountable plugged and fixed bearing pin is provided with the pin shaft hole 6 of main chord upper end or lower end；Between the upper end of four main chords also
It is provided with connecting platform.
For the safety and practical performance of lifting connecting platform, as shown in figure 3, the further refinement to connecting platform scheme
It is optimized for：The platform connecting plate 4 for being fixed on four main chord upper ends is respectively welded including four in the connecting platform, and adjacent is flat
Connected between platform connecting plate 4 by support bar 22, be provided with bolt hole on the platform connecting plate 4, the support bar 22 with
The platform connecting plate 4 is fixedly connected by the bolt being inserted in bolt hole；The connecting platform also includes singletree one
18th, strut 19 and singletree 2 20 are erected, by four support bars 22 according to being counterclockwise defined as support bar one, branch successively respectively
Strut two, support bar three and support bar four, one end of the perpendicular strut 19 is fixedly installed on the middle part of the support bar one, described
The other end of perpendicular strut 19 is fixedly installed on the middle part of the support bar three, and one end of the singletree 2 20 is fixedly installed on institute
The middle part of perpendicular strut 19 is stated, the other end of the singletree 2 20 is fixedly installed on the middle part of the support bar two, the stull
One end of bar 1 is fixedly installed on the perpendicular strut 19 close to one end of the support bar one, the singletree 1 it is another
End is fixedly installed on the support bar four close to one end of the support bar one；Between the perpendicular strut 19 and the support bar two
Expanded metal lath 21 is provided with, expanded metal lath 21 is also equipped between the singletree 1 and the support bar one.The connecting platform
Also include hound 17, one end of the hound 17 is bolted on the platform that support bar two and support bar three share and connected
On fishplate bar 4, the other end of the hound 17 is bolted on the platform connecting plate 4 that support bar one and support bar four share
On.
In order to further play the effect of diagonal web member, the stability and installation accuracy of tower crane standard knot are lifted, such as Fig. 2 institutes
Show, further characteristic optimization has been carried out to the close region of diagonal web member group：Upper diagonal web member 8 and lower diagonal web member in each diagonal web member group
Main chord where 12 one end closer to the distance is defined as main chord 2 13, and backing plate 11, institute are provided with the main chord 2 13
The pad of backing plate 11 is stated to be located between the main chord 2 13 and the upper diagonal web member 8 and the main chord 2 13 and the oblique abdomen
Between bar 12, clamping plate 10 is additionally provided with the main chord 2 13, the clamping plate 10 is located at the upper diagonal web member 8 and described
Between lower diagonal web member 12.
In order to further lift the stability of the present embodiment tower crane standard knot, started with main chord 2 13, along side counterclockwise
Define remaining three main chords successively to (reference picture 3) and be followed successively by main chord 3 15, main chord 4 16 and main chord 1；It is described
Between diagonal web member group and the main chord 3 15 and the main chord 4 16 between main chord 1 and the main chord 2 13
Diagonal web member group face is set, the main chord 1 and the main chord 4 16 and the main chord 2 13 and the main chord three
Diagonal web member group face between 15 is set；Welded admittedly by reinforcement by connection plate 9 between two groups of diagonal web member groups that any face is set
Fixed connection.The reinforcement by connection plate 9 set up connects the diagonal web member between different main chords, can further lift tower crane
Stability, lift security performance.
As shown in figure 1, the further optimization to the present embodiment, it is provided with from top to bottom between adjacent two main chords
Diagonal web member group described in three groups, first group, second group and the 3rd group is followed successively by from top to bottom.The upper end of the main chord 1 is with
End is respectively welded and is fixedly installed upper junction plate 7 and lower connecting plate 14, the left end of the upper diagonal web member 8 in first group of diagonal web member group with
The upper junction plate 7 is welded and fixed connection, left end and the lower connecting plate 14 of the lower diagonal web member 12 in the 3rd group of diagonal web member group
Connection is welded and fixed, the right-hand member of the diagonal web member group between the main chord 1 and the main chord 2 13 passes through bearing pin and main string
Bar 2 13 is fixedly connected.
As depicted in figs. 1 and 2, in order to further increase the steadiness of bearing pin grafting, the pin shaft hole on the main chord 6 weeks
Enclose, and the right-hand member of the diagonal web member group between the main chord 1 and the main chord 2 13 is respectively provided with pasting board 3.Increase
If pasting board 3 can strengthen thickness around pin shaft hole so that the bearing pin in pin shaft hole is not susceptible to deflection, more surely
It is fixed.Further, from the point of view of for stable connection between the adjacent tower crane standard knot of increase, in the upper end of the main chord
Side is additionally provided with reinforcing angle 5.Further, it is uniformly solid on the main chord in order to which lifting operation person climbs and security performance
2 are marked time provided with multiple, and described mark time 2 is cat ladder pipe, and the upper end welding of the cat ladder pipe is provided with guard ring.The upper diagonal web member 8
It is made with the lower diagonal web member 12 by Q345B channel-section steels, the main chord is made by angle steel.
The present invention is not limited to above-mentioned preferred forms, and anyone can show that other are various under the enlightenment of the present invention
The product of form, however, make any change in its shape or structure, it is every that there is skill identical or similar to the present application
Art scheme, is within the scope of the present invention.
Claims (10)
1. a kind of tower crane standard knot for being readily transported dismounting, including in rectangular layout four main chords, it is characterised in that：It is adjacent
Two main chords between be fixedly connected by diagonal web member group, each diagonal web member group is by the different upper diagonal web member (8) of incline direction
Formed with lower diagonal web member (12), the top and bottom of each main chord are respectively provided with pin shaft hole (6), main chord upper end or under
Dismountable plugged and fixed bearing pin is provided with the pin shaft hole (6) at end；It is flat that connection is additionally provided between the upper end of four main chords
Platform.
2. tower crane standard knot according to claim 1, it is characterised in that：The connecting platform is respectively welded solid including four
Due between the platform connecting plate (4) of four main chord upper ends, adjacent platform connecting plate (4) by support bar (22) connect,
Bolt hole is provided with the platform connecting plate (4), the support bar (22) is with the platform connecting plate (4) by being inserted in
Bolt in bolt hole is fixedly connected；The connecting platform also includes singletree one (18), perpendicular strut (19) and singletree two
(20), by four support bars (22) according to being counterclockwise defined as support bar one, support bar two, the and of support bar three successively respectively
Support bar four, one end of the perpendicular strut (19) are fixedly installed on the middle part of the support bar one, the perpendicular strut (19) it is another
One end is fixedly installed on the middle part of the support bar three, and one end of the singletree two (20) is fixedly installed on the perpendicular strut
(19) middle part, the other end of the singletree two (20) are fixedly installed on the middle part of the support bar two, the singletree one
(18) one end be fixedly installed on the perpendicular strut (19) close to the support bar one one end, the singletree one (18) it is another
One end is fixedly installed on the support bar four close to one end of the support bar one；The perpendicular strut (19) and the support bar two
Between be provided with expanded metal lath (21), expanded metal lath (21) is also equipped between the singletree one (18) and the support bar one.
3. tower crane standard knot according to claim 2, it is characterised in that：The connecting platform also includes hound (17),
One end of the hound (17) is bolted on the platform connecting plate (4) that support bar two and support bar three share, institute
The other end for stating hound (17) is bolted on the platform connecting plate (4) that support bar one and support bar four share.
4. tower crane standard knot according to claim 1, it is characterised in that：In each diagonal web member group upper diagonal web member (8) and under
Main chord where diagonal web member (12) one end closer to the distance is defined as main chord two (13), is set on the main chord two (13)
There is backing plate (11), backing plate (11) pad is located between the main chord two (13) and the upper diagonal web member (8) and the master
Between chord member two (13) and the lower diagonal web member (12), clamping plate (10) is additionally provided with the main chord two (13), it is described
Clamping plate (10) is between the upper diagonal web member (8) and the lower diagonal web member (12).
5. tower crane standard knot according to claim 4, it is characterised in that：Started with main chord two (13), along side counterclockwise
Main chord three (15), main chord four (16) and main chord one (1) are followed successively by remaining three main chords are defined successively；The main string
Diagonal web member group between bar one (1) and the main chord two (13) and the main chord three (15) and the main chord four (16) it
Between diagonal web member group face set, the main chord one (1) and the main chord four (16) and the main chord two (13) and institute
The diagonal web member group face stated between main chord three (15) is set；Added between two groups of diagonal web member groups that any face is set by connection
Gu plate (9) is welded and fixed connection.
6. tower crane standard knot according to claim 5, it is characterised in that：Between two adjacent main chords from top to bottom
Multigroup diagonal web member group is provided with, the top and bottom of the main chord one (1), which are respectively welded, is fixedly installed upper junction plate
(7) and lower connecting plate (14), between the main chord one (1) and the main chord two (13) in the diagonal web member group of the top
The left end of upper diagonal web member (8) be welded and fixed and be connected with the upper junction plate (7), the main chord one (1) and the main chord
The left end of lower diagonal web member (12) between two (13) in the diagonal web member group of bottom and the lower connecting plate (14) welding are solid
Fixed connection, the right-hand member of the diagonal web member group between the main chord one (1) and the main chord two (13) pass through bearing pin and main chord
Two (13) are fixedly connected.
7. tower crane standard knot according to claim 6, it is characterised in that：Around pin shaft hole (6) on the main chord, with
And the right-hand member of the diagonal web member group between the main chord one (1) and the main chord two (13) is respectively provided with pasting board (3).
8. tower crane standard knot according to claim 1, it is characterised in that：It is additionally provided with and adds on the inside of the upper end of the main chord
Gu angle steel (5).
9. tower crane standard knot according to claim 1, it is characterised in that：Multiple mark time uniformly is installed with the main chord
(2), described mark time (2) are cat ladder pipe, and the upper end welding of the cat ladder pipe is provided with guard ring.
10. tower crane standard knot according to claim 1, it is characterised in that：The upper diagonal web member (8) and the lower diagonal web member
(12) it is made by Q345B channel-section steels, the main chord is made by angle steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711013197.2A CN107555327A (en) | 2017-10-26 | 2017-10-26 | A kind of tower crane standard knot for being readily transported dismounting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711013197.2A CN107555327A (en) | 2017-10-26 | 2017-10-26 | A kind of tower crane standard knot for being readily transported dismounting |
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| CN107555327A true CN107555327A (en) | 2018-01-09 |
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| CN201711013197.2A Pending CN107555327A (en) | 2017-10-26 | 2017-10-26 | A kind of tower crane standard knot for being readily transported dismounting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756221A (en) * | 2018-06-06 | 2018-11-06 | 朱宏宇 | A kind of morpheme section and its transfer standpipe, switching group frame, switching group frame |
| CN115490162A (en) * | 2022-09-22 | 2022-12-20 | 徐州建机工程机械有限公司 | Standard joint of tower body of large tower crane |
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| EP0974546A1 (en) * | 1998-07-24 | 2000-01-26 | Potain | Assembly device for metallic lattice members |
| CN201809083U (en) * | 2009-12-29 | 2011-04-27 | 长沙中联重工科技发展股份有限公司 | Tower crane, rod piece assembled type standard knot and rod piece used for assembled type standard knot |
| CN202400757U (en) * | 2011-12-28 | 2012-08-29 | 新乡克瑞重型机械科技股份有限公司 | Tower crane standard section |
| CN104310241A (en) * | 2014-10-14 | 2015-01-28 | 徐州建机工程机械有限公司 | Standard knot of tower crane |
| CN204251239U (en) * | 2014-10-29 | 2015-04-08 | 山东大汉建设机械有限公司 | A kind of tower crane inclined ladder and hoisting crane |
| CN204454349U (en) * | 2015-03-06 | 2015-07-08 | 山东大汉建设机械有限公司 | Chip tower body with access ramp and platform saves |
| CN205500627U (en) * | 2016-01-14 | 2016-08-24 | 河北九通重工集团有限公司 | Tower machine standard festival convenient to transportation |
| CN206538997U (en) * | 2016-10-26 | 2017-10-03 | 中国建筑第八工程局有限公司 | Operating platform |
| CN207330183U (en) * | 2017-10-26 | 2018-05-08 | 河北九通重工股份有限公司 | A kind of tower crane standard knot for being readily transported dismounting |
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| CN108756221A (en) * | 2018-06-06 | 2018-11-06 | 朱宏宇 | A kind of morpheme section and its transfer standpipe, switching group frame, switching group frame |
| CN108756221B (en) * | 2018-06-06 | 2021-02-09 | 朱宏宇 | Form and position joint and switching vertical pipe, switching frame and switching frame thereof |
| CN115490162A (en) * | 2022-09-22 | 2022-12-20 | 徐州建机工程机械有限公司 | Standard joint of tower body of large tower crane |
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