CN201809083U - Tower crane, rod piece assembled type standard knot and rod piece used for assembled type standard knot - Google Patents
Tower crane, rod piece assembled type standard knot and rod piece used for assembled type standard knot Download PDFInfo
- Publication number
- CN201809083U CN201809083U CN 200920351295 CN200920351295U CN201809083U CN 201809083 U CN201809083 U CN 201809083U CN 200920351295 CN200920351295 CN 200920351295 CN 200920351295 U CN200920351295 U CN 200920351295U CN 201809083 U CN201809083 U CN 201809083U
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- Prior art keywords
- main chord
- standard knot
- rod member
- web members
- welded
- Prior art date
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- Expired - Lifetime
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- 238000003466 welding Methods 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/28—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
- B66C23/283—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of assembled elements
- B66C23/286—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of assembled elements with locking devices
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses a rod piece assembled type standard knot comprising four main chord members arranged squarely. At least one straight web member and at least four inclined web members are arranged between every two adjacent main chord members in the four main chord members; at least one inclined support rod is arranged between at least one pair of main chord members in the two pairs of main chord members arranged oppositely; each main chord member is welded with a plurality of ear plates; and the straight web members, the inclined web members and the inclined support rod are connected to the corresponding ear plates by pin shafts. In the utility model, the standard knot is designed by adopting a rod piece assembled type structure, the commonly used whole type structural design and piece type structural design are changed, interchangeability among the rod pieces is improved, so that the rod piece assembled type standard knot has the advantages of reinforcing the rigidity of structure members, being simple and reliable in installation, reducing the whole weight, being convenient for being disassembled into rod pieces for transportation, and convenient for using containers for transportation so as to improve the anti-corrosion capacity in the long-distance transportation and ocean transportation.
Description
Technical field
The utility model relates to the body of the tower of medium-and-large-sized tower crane, relates in particular to the standard knot of body of the tower.The utility model also relates to the rod member that is used for the assembly unit standard knot.
Background technology
Standard knot is that tower crane (being called for short the tower machine) is gone up the most key stress members, is the load member of various load, and along with the rising of tower machine, load can be increasing, and is more and more higher to intensity, rigidity stability and the interchangeability requirement of standard knot.
The body of the tower of tower machine is integral type standard knot or chip standard knot at present.
Fig. 1 shows the integral type standard knot, comprises main chord 12, straight web member 13, diagonal web member 14 and adapter sleeve 11.Adapter sleeve 11 by main chord 12 two ends carries out the supernumerary segment rising, and this standard knot overall volume is big, and overall weight is big, causes corrosion thereby very easily be out of shape in transportation or even destroy the single-piece rigidity of structure or intensity and the easy paint that destroys.
The sheet standard knot passes through bolt or bearing pin assembly unit by several standard knot pieces.Fig. 2 shows a kind of structure of chip standard knot, comprises main chord 21 and K shape joint piece 22.Fig. 3 shows the another kind of structure of chip standard knot, and it comprises main chord 31 and sheet joint piece 32.
In force in the body of the tower process of large-scale tower crane, the inventor finds: the structure stress of the chip standard knot that is spliced by sheet joint piece is inhomogeneous, weld seam ftractures easily, and sheet joint piece easy deformation, causes the general interchangeability between each sheet joint piece not strong.
The utility model content
The utility model purpose is to provide a kind of rod member pin-connected panel standard knot, and to improve the interchangeability of rod member, it is stressed to optimize body of the tower.The purpose of this utility model also is to provide a kind of rod member that is used for the assembly unit standard knot.
For this reason, on the one hand, the utility model provides a kind of rod member pin-connected panel standard knot, it comprises four main chords that are square and arrange, wherein be provided with at least one straight web member and at least four diagonal web members between every adjacent two main chords in four main chords, being between at least one pair of main chord in two pairs of main chords arranging at the diagonal angle in four main chords is provided with at least one hound, be welded with some otic placodes on each main chord, straight web member, diagonal web member and hound are connected on the corresponding otic placode by bearing pin.
Preferably, above-mentioned standard knot comprises a hound, four straight web members and 16 diagonal web members.
Preferably, above-mentioned standard knot comprises two hounds, four straight web members and 16 diagonal web members.
Preferably, the some otic placodes on above-mentioned each main chord comprise: first connecting panel, second connecting panel and the 3rd gusset plate, be welded on main chord in the face of a side of an adjacent main chord; First node plate, the 3rd connecting panel and the 4th connecting panel, be welded on main chord in the face of a side of another adjacent main chord; And the Section Point plate, be welded on a side of the main chord of arranging in the face of the diagonal angle of main chord.
Preferably, the top of above-mentioned each main chord has by bearing pin bonded assembly connector.
Preferably, the top of above-mentioned each main chord has the connector of welding.
Preferably, the bottom of above-mentioned each main chord has the connector of being suitable for by bearing pin bonded assembly socket.
On the other hand, the utility model also provides a kind of tower crane, and its body of the tower comprises the rod member pin-connected panel standard knot of said structure.
In addition, the utility model also provides a kind of rod member that is used for the standard knot of assembly unit said structure, comprise: four main chords, at least one straight web member, at least four diagonal web members and at least one hound, wherein, be welded with some otic placodes on each main chord, straight web member, diagonal web member and hound are connected on the corresponding otic placode by bearing pin.
Preferably, above-mentioned rod member comprises a hound, four straight web members and 16 diagonal web members.
Preferably, above-mentioned rod member comprises two hounds, four straight web members and 16 diagonal web members.
Preferably, the some otic placodes on above-mentioned each main chord comprise: first connecting panel, second connecting panel and the 3rd gusset plate, be welded on main chord in the face of a side of an adjacent main chord; First node plate, the 3rd connecting panel and the 4th connecting panel, be welded on main chord in the face of a side of another adjacent main chord; And the Section Point plate, be welded on a side of the main chord of arranging in the face of the diagonal angle of main chord.
Preferably, the top of above-mentioned each main chord has by bearing pin bonded assembly connector.
Preferably, the top of above-mentioned each main chord has the connector of welding.
Preferably, the bottom of above-mentioned each main chord has the connector of being suitable for by bearing pin bonded assembly socket.
In addition, the invention also discloses a kind of freight transport packing, the rod member that is used for the assembly unit standard knot that it comprises freight container and is positioned over freight container.
According to rod member pin-connected panel standard knot of the present utility model, have following characteristics:
1, body of the tower is stressed more even, increases the rigidity and the stability of body of the tower;
2, install simple and reliablely, convenient transportation takes up room to original 0.5, has saved traffic cost greatly, has alleviated standard knot weight under the situation of proof strength and rigidity, has saved cost.
3, bigger minimizing distortion in transportation and the damage of paint, thereby guaranteed the strength and stiffness stability of tower machine preferably, improved the resistance to corrosion of tower machine greatly.
Except purpose described above, feature and advantage, the utility model also has other purpose, feature and advantage.With reference to figure, the utility model is described in further detail below.
Description of drawings
Constitute this specification sheets a part, be used for further understanding accompanying drawing of the present utility model and show preferred embodiment of the present utility model, and be used for illustrating principle of the present utility model with specification sheets.Among the figure:
Fig. 1 shows the structural representation of existing integral type standard knot;
Fig. 2 shows a kind of structural representation of existing chip standard knot;
Fig. 3 shows the another kind of structural representation of existing chip standard knot;
Fig. 4 shows the structural representation according to the rod member pin-connected panel standard knot of the utility model preferred embodiment;
Fig. 5 shows the partial schematic diagram of the connector of standard knot shown in Figure 4; And
Fig. 6 shows the scheme drawing of lower end connecting portion of the main chord of standard knot shown in Figure 4.
The specific embodiment
In the utility model; standard knot adopts the design of rod member assembled structure; change the design of at present usual integral type and slice structure; improved the interchangeability of each rod member; and framing member rigidity is strengthened; install simple and reliable; overall weight reduces; be convenient to split into the rod member transportation; thereby to reduce traffic cost and the strength and stiffness stability of not yielding better protect standard knot in transportation; in long-distance transport and ocean freight, convenient use freight container traffic is to improve resistance to corrosion.
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Fig. 4 to Fig. 6 shows the structural representation according to rod member pin-connected panel standard knot of the present utility model.As shown in Figure 4, in this preferred embodiment, standard knot comprises 107,4 straight web members 104 compositions of 105,1 hounds of 109,16 diagonal web members of 4 main chords.Can all tear open to single rod member and transport, because all diagonal web member sizes are the same, so do not have directivity when installing at the scene, each diagonal web member can exchange, because occupation of land is little, in transportation, can well reduce rigidity stability and weakened and corrosion that collision deformation causes.
Wherein, the standard knot cross section is square, and each side has four diagonal web members 105 and 1 straight web member 104.Hound 107 is along the diagonal line setting of the square-section of standard knot.
In Fig. 4, the projection view of the left side main chord of standard knot is the projection view of the another side of right side main chord, so a view can be known the total that gives expression to standard knot.
For four main chords of standard knot, two main chords wherein are provided with Section Point plate 106, and two other main chord can not be provided with Section Point plate 106.Certainly, also gusset plate 106 can be set all.
The top of each main chord 109 is equipped with connector 102, and the bottom has socket 112, wherein, socket 112 under the connector 102 of standard knot insert wherein.
Fig. 5 shows the structural representation of the connector 102 of standard knot.As shown in Figure 5, connector 102 has pin shaft hole 102a and the 102b that extends on orthogonal both direction, this connector 102 is fixedly attached to main chord 109 by the bearing pin 109a that extends and bearing pin 109b on orthogonal both direction top.
Fig. 6 shows the structural representation of the socket 112 of standard knot.As shown in Figure 6, socket 112 has bearing pin 110a, the 110b that extends on orthogonal both direction, be used for under the connector 102 of standard knot insert wherein.
In this preferred embodiment, connector 102 and main chord 109 link together by bearing pin, in other embodiments, connector 102 also can with main chord 109 weld togethers.
Be appreciated that each rod member that constitutes standard knot by providing, those of ordinary skills are easy to be spliced into required standard knot, repeat no more at this connecting method to standard knot.
By above description as can be seen,, use, can optimize tower machine body of the tower structure and stressed, change insecure connection mode, be convenient to install and transportation, and then reduce and make and traffic cost according to standard knot of the present utility model for medium-and-large-sized tower machine.
Standard knot of the present utility model is convenient to break transportation, in transportation, and the rigidity of better protect tower machine and resistance to overturning and resistance to corrosion; Improve the interchangeability of parts, the convenient making alleviated integrally-built weight under the situation that does not influence intensity and normally use.
Be preferred embodiment of the present utility model only below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (15)
1. a rod member pin-connected panel standard knot is characterized in that, comprises four main chords (109) that are square and arrange, wherein
Be provided with at least one straight web member (104) and at least four diagonal web members (105) between every adjacent two main chords (109) in described four main chords (109),
Be provided with at least one hound (107) between at least one pair of main chord in two pairs of main chords that are the diagonal angle layout in described four main chords (109),
Be welded with some otic placodes on each described main chord (109), described straight web member (104), diagonal web member (105) and hound (107) are connected on the corresponding otic placode by bearing pin.
2. rod member pin-connected panel standard knot according to claim 1 is characterized in that, each described standard knot comprises a hound (107), four straight web members (104) and 16 diagonal web members (105).
3. rod member pin-connected panel standard knot according to claim 1 is characterized in that, each described standard knot comprises two hounds (107), four straight web members (104) and 16 diagonal web members (105).
4. rod member pin-connected panel standard knot according to claim 1 is characterized in that, the some otic placodes on each described main chord (109) comprise:
First connecting panel (103), second connecting panel (108) and the 3rd gusset plate (111), be welded on described main chord in the face of a side of an adjacent main chord;
First node plate (101), the 3rd connecting panel (113) and the 4th connecting panel (114), be welded on main chord in the face of a side of another adjacent main chord; And
Section Point plate (106) is welded on a side of the main chord of arranging in the face of the diagonal angle of described main chord.
5. rod member pin-connected panel standard knot according to claim 1 is characterized in that the top of each described main chord (109) has by bearing pin (109a, 109b) bonded assembly connector (102).
6. rod member pin-connected panel standard knot according to claim 1 is characterized in that, the top of each described main chord (109) has the connector (102) of welding.
7. rod member pin-connected panel standard knot according to claim 1 is characterized in that, the bottom of each described main chord (109) has and is suitable for described connector (102) by bearing pin (110a, 110b) bonded assembly socket (112).
8. a tower crane is characterized in that, its body of the tower comprises each described standard knot in the claim 1 to 7.
9. a rod member that is used for assembly unit according to the described standard knot of claim 1 is characterized in that, comprising: four main chords (109), at least one straight web member (104), at least four diagonal web members (105) and at least one hound (107), wherein,
Be welded with some otic placodes on each described main chord (109), described straight web member (104), diagonal web member (105) and hound (107) are connected on the corresponding otic placode by bearing pin.
10. rod member according to claim 9 is characterized in that, described rod member comprises a hound (107), four straight web members (104) and 16 diagonal web members (105).
11. rod member according to claim 9 is characterized in that, described rod member comprises two hounds (107), four straight web members (104) and 16 diagonal web members (105).
12. rod member according to claim 9 is characterized in that, the some otic placodes on each described main chord (109) comprise:
First connecting panel (103), second connecting panel (108) and the 3rd gusset plate (111), be welded on described main chord in the face of a side of an adjacent main chord;
First node plate (101), the 3rd connecting panel (113) and the 4th connecting panel (114), be welded on main chord in the face of a side of another adjacent main chord; And
Section Point plate (106) is welded on a side of the main chord of arranging in the face of the diagonal angle of described main chord.
13. rod member according to claim 9 is characterized in that, the top of each described main chord (109) has by bearing pin (109a, 109b) bonded assembly connector (102).
14. rod member according to claim 9 is characterized in that, the top of each described main chord (109) has the connector (102) of welding.
15. rod member according to claim 9 is characterized in that, the bottom of each described main chord (109) has and is suitable for described connector (102) by bearing pin (110a, 110b) bonded assembly socket (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920351295 CN201809083U (en) | 2009-12-29 | 2009-12-29 | Tower crane, rod piece assembled type standard knot and rod piece used for assembled type standard knot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920351295 CN201809083U (en) | 2009-12-29 | 2009-12-29 | Tower crane, rod piece assembled type standard knot and rod piece used for assembled type standard knot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201809083U true CN201809083U (en) | 2011-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920351295 Expired - Lifetime CN201809083U (en) | 2009-12-29 | 2009-12-29 | Tower crane, rod piece assembled type standard knot and rod piece used for assembled type standard knot |
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| Country | Link |
|---|---|
| CN (1) | CN201809083U (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408070A (en) * | 2011-08-17 | 2012-04-11 | 中联重科股份有限公司 | Standard knot for crane and tower crane |
| CN102556857A (en) * | 2011-12-12 | 2012-07-11 | 中联重科股份有限公司 | Truss arm butt joint structure, truss arm with truss arm butt joint structure and truss arm crane |
| WO2012167503A1 (en) * | 2011-06-10 | 2012-12-13 | 长沙中联重工科技发展股份有限公司 | Tower crane mast and tower crane containing the tower crane mast |
| WO2013023371A1 (en) * | 2011-08-17 | 2013-02-21 | 长沙中联重工科技发展股份有限公司 | Standard segment for crane and tower crane |
| CN102942092A (en) * | 2012-11-02 | 2013-02-27 | 北京国网富达科技发展有限责任公司 | Guide rail frame |
| CN102942093A (en) * | 2012-11-02 | 2013-02-27 | 北京国网富达科技发展有限责任公司 | Tower climbing equipment |
| CN102946067A (en) * | 2012-11-02 | 2013-02-27 | 北京国网富达科技发展有限责任公司 | Intelligent tower climbing device and intelligent tower climbing facility employing same |
| CN103991799A (en) * | 2013-02-14 | 2014-08-20 | 马尼托沃克起重机集团（法国）公司 | Splinting device for connecting two strut members and assembly comprising two strut members and such splinting devices |
| CN104176652A (en) * | 2014-08-12 | 2014-12-03 | 山东丰汇设备技术有限公司 | Web member connection structure of tower body |
| CN104444856A (en) * | 2014-11-14 | 2015-03-25 | 重庆倍精科技研发有限公司 | Tower crane locking main body frame |
| CN104495640A (en) * | 2014-11-11 | 2015-04-08 | 浙江德清华杨科技有限公司 | Assembly-type standard knot |
| CN104512819A (en) * | 2014-12-19 | 2015-04-15 | 徐州建机工程机械有限公司 | Guide standard section for tower-type crane |
| CN106241619A (en) * | 2016-09-23 | 2016-12-21 | 成都九十度工业产品设计有限公司 | A kind of tower crane for building |
| CN107555327A (en) * | 2017-10-26 | 2018-01-09 | 河北九通重工股份有限公司 | A kind of tower crane standard knot for being readily transported dismounting |
| CN111392614A (en) * | 2019-01-02 | 2020-07-10 | 湖南中联重科建筑起重机械有限责任公司 | Standard knot, tower body and assembling method of standard knot of tower body |
| CN114263665A (en) * | 2021-12-27 | 2022-04-01 | 安徽京深智能科技有限公司 | Prevent lift standard festival connection structure of turning on one's side |
| WO2023134115A1 (en) * | 2022-01-13 | 2023-07-20 | 中联重科建筑起重机械有限责任公司 | Mast section device and tower crane |
-
2009
- 2009-12-29 CN CN 200920351295 patent/CN201809083U/en not_active Expired - Lifetime
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012167503A1 (en) * | 2011-06-10 | 2012-12-13 | 长沙中联重工科技发展股份有限公司 | Tower crane mast and tower crane containing the tower crane mast |
| WO2013023371A1 (en) * | 2011-08-17 | 2013-02-21 | 长沙中联重工科技发展股份有限公司 | Standard segment for crane and tower crane |
| CN102408070A (en) * | 2011-08-17 | 2012-04-11 | 中联重科股份有限公司 | Standard knot for crane and tower crane |
| CN102556857A (en) * | 2011-12-12 | 2012-07-11 | 中联重科股份有限公司 | Truss arm butt joint structure, truss arm with truss arm butt joint structure and truss arm crane |
| CN102942092B (en) * | 2012-11-02 | 2015-10-21 | 北京国网富达科技发展有限责任公司 | A kind of guide rail bracket |
| CN102942092A (en) * | 2012-11-02 | 2013-02-27 | 北京国网富达科技发展有限责任公司 | Guide rail frame |
| CN102942093A (en) * | 2012-11-02 | 2013-02-27 | 北京国网富达科技发展有限责任公司 | Tower climbing equipment |
| CN102946067A (en) * | 2012-11-02 | 2013-02-27 | 北京国网富达科技发展有限责任公司 | Intelligent tower climbing device and intelligent tower climbing facility employing same |
| CN102946067B (en) * | 2012-11-02 | 2016-03-30 | 北京国网富达科技发展有限责任公司 | The intelligence that a kind of intelligence is stepped on tower and had it steps on tower equipment |
| CN102942093B (en) * | 2012-11-02 | 2016-03-30 | 北京国网富达科技发展有限责任公司 | Step on tower equipment |
| CN103991799B (en) * | 2013-02-14 | 2016-08-17 | 马尼托沃克起重机集团（法国）公司 | For connecting the connection equipment of two mast structural members and comprising two mast structural members and the device of this connection equipment |
| CN103991799A (en) * | 2013-02-14 | 2014-08-20 | 马尼托沃克起重机集团（法国）公司 | Splinting device for connecting two strut members and assembly comprising two strut members and such splinting devices |
| CN104176652A (en) * | 2014-08-12 | 2014-12-03 | 山东丰汇设备技术有限公司 | Web member connection structure of tower body |
| CN104495640A (en) * | 2014-11-11 | 2015-04-08 | 浙江德清华杨科技有限公司 | Assembly-type standard knot |
| CN104444856A (en) * | 2014-11-14 | 2015-03-25 | 重庆倍精科技研发有限公司 | Tower crane locking main body frame |
| CN104512819A (en) * | 2014-12-19 | 2015-04-15 | 徐州建机工程机械有限公司 | Guide standard section for tower-type crane |
| CN106241619A (en) * | 2016-09-23 | 2016-12-21 | 成都九十度工业产品设计有限公司 | A kind of tower crane for building |
| CN106241619B (en) * | 2016-09-23 | 2018-12-07 | 成都九十度工业产品设计有限公司 | A kind of tower crane for building |
| CN107555327A (en) * | 2017-10-26 | 2018-01-09 | 河北九通重工股份有限公司 | A kind of tower crane standard knot for being readily transported dismounting |
| CN111392614A (en) * | 2019-01-02 | 2020-07-10 | 湖南中联重科建筑起重机械有限责任公司 | Standard knot, tower body and assembling method of standard knot of tower body |
| CN114263665A (en) * | 2021-12-27 | 2022-04-01 | 安徽京深智能科技有限公司 | Prevent lift standard festival connection structure of turning on one's side |
| WO2023134115A1 (en) * | 2022-01-13 | 2023-07-20 | 中联重科建筑起重机械有限责任公司 | Mast section device and tower crane |
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| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
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Address after: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Patentee after: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Address before: 410013 No. 361 South silver basin, Hunan, Changsha Patentee before: CHANGSHA ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
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Granted publication date: 20110427 |