CN203740916U - Standard knot for tower crane - Google Patents
Standard knot for tower crane Download PDFInfo
- Publication number
- CN203740916U CN203740916U CN201420133581.1U CN201420133581U CN203740916U CN 203740916 U CN203740916 U CN 203740916U CN 201420133581 U CN201420133581 U CN 201420133581U CN 203740916 U CN203740916 U CN 203740916U
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- China
- Prior art keywords
- standard knot
- cant beam
- center
- horizon bar
- tower crane
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 210000001015 abdomen Anatomy 0.000 claims 3
- 230000006378 damage Effects 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model provides a standard knot for a tower crane. The standard knot comprises main chords arranged in parallel, an upper horizontal rod, an intermediate horizontal rod, a ladder and an intermediate platform, wherein the upper horizontal rod and the intermediate horizontal rod are respectively welded between upper ends of two adjacent main chords as well as between centers of the two adjacent main chords; an operation platform is arrange between the upper horizontal rod and the intermediate horizontal rod. The standard knot is characterized in that axisymmetric cant beam groups for consolidating the structure are welded on two opposite sides of the standard knot; an upper positioning connecting plate and a lower positioning connecting plate which have the same size and are respectively provided with connecting holes are respectively mounted on the top end inner side and the bottom end inner side of each main chord; an upward-convex positioning pin is arranged on each upper positioning connecting plate; a positioning hole is formed in each lower positioning connecting plate. The standard knot provided by the utility model has the greatest advantages that the space is saved, the transportation is facilitated, and the influence on mounting of a wall guard frame is avoided; meanwhile, the injury is reduced to the minimum on the premise of guaranteeing the life safety.
Description
Technical field
The utility model relates to the technical field of tower crane, refers in particular to a kind of standard knot for tower crane.
Background technology
Along with the continuous progress of society, large-scale building is constantly built, and tower crane industry is also flourish; Known in the industry, tower crane tower body consists of a plurality of standard knots, and the formation of standard knot can directly affect stability, alerting ability and the work efficiency of tower crane.There is following shortcoming in traditional standard knot: 1, joint body side is consolidated by monocline beam, and hardness is inadequate, reduces the safety of tower crane; 2, between standard knot and standard knot, by adapter sleeve and bolt, be connected, because adapter sleeve is molded over main chord lateral surface, outside area occupied increases, and is unfavorable for transportation, and gives when revetment frame is installed and make troubles; 3, the ladder that is built in standard knot center extends to tower top at the bottom of tower, askew if workmen steps on because of carelessness, can be directly from stepping on the askew bottom that drops to, and dangerous not clear and explain.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of reasonable in design reliable, firmly, stability and the safe standard knot for tower crane.
For achieving the above object, technical scheme provided by the utility model is: a kind of standard knot for tower crane, include the main chord being arranged in parallel, on, middle horizon bar, ladder and job platform, wherein, on, middle horizon bar is welded in respectively between the upper end of adjacent two main chords and between center, job platform is arranged between horizon bar and middle horizon bar, the relative both sides of described standard knot are welded with for consolidating the cant beam group axisymmetricly of structure, inside the top inner side of main chord and bottom, be separately installed with measure-alike the upper of connecting bore that all have, under the plate that is located by connecting, the plate that is located by connecting on described is provided with the locating dowel pin toward epirelief, and under the plate that is located by connecting have knock hole.
Described cant beam component is upper and lower cant beam group, upper cant beam group is comprised of upper left cant beam and upper right cant beam, and lower inclined beam group is comprised of bottom left cant beam and bottom right cant beam, wherein, the upper and lower end of upper left cant beam is connected with the main chord center in upper horizon bar center and left side respectively, and the upper and lower end of upper right cant beam is connected with the main chord center of upper horizon bar center and same right side of face respectively; And the upper and lower end of bottom left cant beam is connected with the main chord bottom in middle horizon bar center and left side respectively, the upper and lower end of bottom right cant beam is connected with the main chord bottom of middle horizon bar center and same right side of face respectively.
Described ladder is divided into ladder and descending stair, and wherein, descending stair extends to job platform from the bottom of standard knot, and upper ladder extends to the top of standard knot from job platform, and the two dislocation is set up in respectively the place, diagonal angle of standard knot.
Described bottom left cant beam center and bottom right cant beam center are connected with deep beam.
The utility model, after having adopted such scheme, transform the monocline beam of traditional standard joint side as the hardness of cant beam group reinforcement tower body axisymmetricly, makes it more firm; Dispense adapter sleeve, the identical upper and lower plate that is located by connecting that all has connecting bore of installation dimension respectively inside the top inner side of main chord and bottom, under the cooperation of bolt and connecting bore, realize being connected between standard knot and standard knot, and carry out two location between standard knot by locating dowel pin and knock hole, can save place, be beneficial to transportation, do not hinder again the installation of revetment frame; Finally, the ladder portion in each standard knot, be that two, two ladder dislocation are erected at standard knot inside, even if occur that workmen steps on the situation of askew pin, this workmen only also can drop on nearest below job platform, damage is dropped to minimum under the prerequisite ensuring the safety of human life.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is birds-eye view of the present utility model.
The specific embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail.
Referring to accompanying drawing 1 to shown in accompanying drawing 2, the standard knot for tower crane described in the present embodiment, include the main chord 1 that is arranged in parallel, upper, middle horizon bar 2,3, ladder 10 and job platform 11, wherein, between the upper end upper, middle horizon bar 2,3 is welded in respectively adjacent two main chords 1 and between center, job platform 11 is arranged between horizon bar 2 and middle horizon bar 3; The relative both sides of described standard knot are welded with for consolidating the cant beam group 4 axisymmetricly of structure, this cant beam group 4 is divided into upper and lower cant beam group 401,402, upper cant beam group 401 is comprised of upper left cant beam 401-1 and upper right cant beam 401-2, and lower inclined beam group 402 is comprised of bottom left cant beam 402-1 and bottom right cant beam 402-2, wherein, the upper and lower end of upper left cant beam 401-1 is connected with main chord 1 center in upper horizon bar 2 centers and left side respectively, and the upper and lower end of upper right cant beam 401-2 is connected with main chord 1 center of upper horizon bar 2 centers and same right side of face respectively; And the upper and lower end of bottom left cant beam 402-1 is connected with main chord 1 bottom in middle horizon bar 3 centers and left side respectively, the upper and lower end of bottom right cant beam 402-2 is connected with main chord 1 bottom of middle horizon bar 3 centers and same right side of face respectively, and bottom left cant beam 402-1 center and bottom right cant beam 402-2 center are connected with deep beam 12, for strengthening the hardness of tower body, make it more firm; And inner side, the top of main chord 1 and inner side, bottom are separately installed with the measure-alike upper and lower plate 5,6 that is located by connecting that all has connecting bore 7, on the plate 5 that is located by connecting be provided with the locating dowel pin 8 toward epirelief, and under the plate 6 that is located by connecting have knock hole 9, under the cooperation of bolt and connecting bore 7, realize being connected between standard knot and standard knot, and carry out two location between standard knot by locating dowel pin 8 and knock hole 9, can save place, be beneficial to transportation, not hinder again the installation of revetment frame; Finally, described ladder 10 is divided into terraced 1001 and descending stair 1002, descending stair 1002 extends to job platform 11 from the bottom of standard knot, upper terraced 1001 extend to the top of standard knot from job platform 11, the two dislocation is set up in respectively the place, diagonal angle of standard knot, even if occur that workmen steps on the situation of askew pin, this workmen only also can drop on nearest below job platform 11, damage is dropped to minimum under the prerequisite ensuring the safety of human life.
The examples of implementation of the above are only the preferred embodiment of the utility model, not with this, limit practical range of the present utility model, therefore the variation that all shapes according to the utility model, principle are done all should be encompassed in protection domain of the present utility model.
Claims (4)
1. the standard knot for tower crane, include the main chord (1) being arranged in parallel, on, middle horizon bar (2, 3), ladder (10) and belly board (11), wherein, on, middle horizon bar (2, 3) be welded in respectively between the upper end of adjacent two main chords (1) and between center, job platform (11) is arranged between horizon bar (2) and middle horizon bar (3), it is characterized in that: the relative both sides of described standard knot are welded with for consolidating the cant beam group (4) axisymmetricly of structure, inside the top inner side of main chord (1) and bottom, be separately installed with measure-alike the upper of connecting bore (7) that all have, under the plate (5 that is located by connecting, 6), the plate (5) that is located by connecting on described is provided with the locating dowel pin (8) toward epirelief, and under the plate (6) that is located by connecting have knock hole (9).
2. a kind of standard knot for tower crane according to claim 1, it is characterized in that: described cant beam group (4) is divided into, lower inclined beam group (401, 402), upper cant beam group (401) is comprised of upper left cant beam (401-1) and upper right cant beam (401-2), and lower inclined beam group (402) is comprised of bottom left cant beam (402-1) and bottom right cant beam (402-2), wherein, upper left cant beam (401-1) upper, lower end is connected with main chord (1) center in upper horizon bar (2) center and left side respectively, upper right cant beam (401-2) upper, lower end is connected with main chord (1) center of upper horizon bar (2) center and same right side of face respectively, and the upper and lower end of bottom left cant beam (402-1) is connected with main chord (1) bottom in middle horizon bar (3) center and left side respectively, the upper and lower end of bottom right cant beam (402-2) is connected with main chord (1) bottom of middle horizon bar (3) center and same right side of face respectively.
3. a kind of standard knot for tower crane according to claim 1, it is characterized in that: described ladder (10) is divided into ladder (1001) and descending stair (1002), wherein, descending stair (1002) extends to belly board (11) from the bottom of standard knot, upper ladder (1001) extends to the top of standard knot from belly board (11), the two dislocation is set up in respectively the place, diagonal angle of standard knot.
4. a kind of standard knot for tower crane according to claim 2, is characterized in that: described bottom left cant beam (402-1) center and bottom right cant beam (402-2) center are connected with deep beam (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420133581.1U CN203740916U (en) | 2014-03-24 | 2014-03-24 | Standard knot for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420133581.1U CN203740916U (en) | 2014-03-24 | 2014-03-24 | Standard knot for tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203740916U true CN203740916U (en) | 2014-07-30 |
Family
ID=51340744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420133581.1U Expired - Lifetime CN203740916U (en) | 2014-03-24 | 2014-03-24 | Standard knot for tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203740916U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107161877A (en) * | 2017-06-16 | 2017-09-15 | 无锡石油化工起重机有限公司 | The derrick crane of escape way is set |
| CN109488214A (en) * | 2018-12-13 | 2019-03-19 | 湖南双达机电有限责任公司 | Pylon, injection head support platform, pylon installation method and method for dismounting |
-
2014
- 2014-03-24 CN CN201420133581.1U patent/CN203740916U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107161877A (en) * | 2017-06-16 | 2017-09-15 | 无锡石油化工起重机有限公司 | The derrick crane of escape way is set |
| CN109488214A (en) * | 2018-12-13 | 2019-03-19 | 湖南双达机电有限责任公司 | Pylon, injection head support platform, pylon installation method and method for dismounting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |
|
| CX01 | Expiry of patent term |