CN113387286B - Tower crane rotation assembly - Google Patents
Tower crane rotation assembly Download PDFInfo
- Publication number
- CN113387286B CN113387286B CN202110772462.5A CN202110772462A CN113387286B CN 113387286 B CN113387286 B CN 113387286B CN 202110772462 A CN202110772462 A CN 202110772462A CN 113387286 B CN113387286 B CN 113387286B
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- China
- Prior art keywords
- connecting seat
- suspension mechanism
- slewing
- tower
- 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.)
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- 230000007246 mechanism Effects 0.000 claims abstract description 85
- 239000000725 suspension Substances 0.000 claims abstract description 41
- 230000003028 elevating effect Effects 0.000 claims 1
- 230000007306 turnover Effects 0.000 abstract description 16
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Jib Cranes (AREA)
Abstract
A tower crane rotation assembly relates to the field of tower cranes. The tower crane rotation assembly is used for being connected to a tower body formed by sequentially connecting a plurality of standard joints in a lifting manner, and comprises an inner suspension mechanism, a slewing bearing, an outer rotation mechanism and a lifting mechanism, wherein the inner suspension mechanism, the slewing bearing and the outer rotation mechanism are sleeved on the tower body, the lifting mechanism is used for driving the inner suspension mechanism to lift along the tower body, the slewing bearing can be rotationally connected to the inner suspension mechanism around a vertical axis, the outer rotation mechanism is fixedly connected with the slewing bearing, the top of the inner suspension mechanism is hinged with a rotatable turnover beam frame, and the turnover beam frame is detachably connected with or separated from the standard joint at the top when being configured to rotate. The tower crane rotation assembly provided by the embodiment has the advantages of good stability in addition and subtraction time saving, high lifting efficiency and high safety.
Description
Technical Field
The application relates to the field of tower cranes, in particular to a tower crane rotation assembly.
Background
Tower cranes, for short, are widely used in the construction industry as important vertical transport equipment. In order to meet the construction requirement that the building height is continuously increased, the construction site is mostly provided with a self-elevating tower crane with a section, a slewing mechanism of the tower crane is close to the top of the tower crane, an outer sleeve frame and a jacking oil cylinder are arranged at the lower part of the slewing mechanism, lifting of the outer sleeve frame and the upper tower crane is realized through stretching of the jacking oil cylinder, and the standard section of the tower crane is increased or decreased at the position of the outer sleeve frame, so that the whole weight of the upper part of the tower crane is supported on the outer sleeve frame and the jacking device for a long time in the section adding and descending process, the normal operation requirement on the section adding and descending personnel is high, and the casualties of personnel are easy to occur.
Disclosure of Invention
The application aims to provide a tower crane rotation assembly which has the advantages of good stability during addition and subtraction, high lifting efficiency and high safety.
Embodiments of the present application are implemented as follows:
the embodiment of the application provides a tower crane slewing assembly, which is used for being connected to a tower body formed by sequentially connecting a plurality of standard joints in a lifting manner, and comprises an inner suspension mechanism, a slewing bearing, an outer slewing mechanism and a lifting mechanism, wherein the inner suspension mechanism, the slewing bearing and the outer slewing mechanism are sleeved on the tower body, the lifting mechanism is used for driving the inner suspension mechanism to lift along the tower body, the slewing bearing is rotatably connected to the inner suspension mechanism around a vertical axis, the outer slewing mechanism is fixedly connected with the slewing bearing, the top of the inner suspension mechanism is hinged with a rotatable turnover beam frame, and the turnover beam frame is detachably connected with or separated from the standard joint at the top when being configured to rotate.
In some alternative embodiments, one end of the flip beam is hinged to one end of the inner suspension mechanism and the other end is detachably connected to the other end of the inner suspension mechanism by at least one connecting pin.
In some alternative embodiments, a plurality of connecting posts are connected to the bottom of the turnover beam frame, and each connecting post is detachably connected to the topmost standard joint through a connecting pin.
In some alternative embodiments, the lifting mechanism comprises an upper connecting seat connected with two sides of the bottom of the outer slewing mechanism respectively, and a lower connecting seat positioned below the two upper connecting seats respectively, wherein the upper connecting seat and the corresponding lower connecting seat are hinged through at least one lifting oil cylinder, the upper connecting seat and the lower connecting seat are respectively connected with at least one bolt, the bolts are configured to move along the axial direction of the bolts so as to be inserted into or separated from the corresponding upper connecting seat or the lower connecting seat, and the outer walls of two sides of the standard joint are respectively connected with a plurality of steps which are arranged at intervals along the height direction of the standard joint and are used for supporting the bolts inserted into the corresponding upper connecting seat or the corresponding lower connecting seat.
In some alternative embodiments, the slewing bearing includes an inner race coupled to the inner suspension mechanism and an outer race coupled to the outer slewing mechanism, the inner race rotatably coaxially coupled to the outer race.
The beneficial effects of the application are as follows: the tower crane slewing assembly provided by the embodiment is used for being connected to a tower body formed by sequentially connecting a plurality of standard joints in a lifting manner, and comprises an inner suspension mechanism, a slewing bearing, an outer slewing mechanism and a lifting mechanism, wherein the inner suspension mechanism, the slewing bearing and the outer slewing mechanism are sleeved on the tower body, the lifting mechanism is used for driving the inner suspension mechanism to lift along the tower body, the slewing bearing can be rotationally connected to the inner suspension mechanism around a vertical axis, the outer slewing mechanism is fixedly connected with the slewing bearing, the top of the inner suspension mechanism is hinged with a rotatable turnover beam frame, and the turnover beam frame is detachably connected or separated from the standard joint at the top when configured to rotate. The tower crane rotation assembly provided by the embodiment has the advantages of good stability in addition and subtraction time saving, high lifting efficiency and high safety.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a tower crane slewing assembly according to an embodiment of the present application when the tower crane slewing assembly is connected to a tower body and a turnover beam frame is connected to an inner suspension mechanism;
FIG. 2 is a schematic diagram of a tower crane swing assembly according to an embodiment of the present application when the swing assembly is connected to a tower body and the turnover beam is separated from the inner suspension mechanism;
FIG. 3 is a schematic structural view of the tower crane slewing assembly according to the embodiment of the present application when the inner suspension mechanism, the slewing bearing and the tower body are connected;
FIG. 4 is a schematic structural view of an outer swing mechanism in a swing assembly of a tower crane according to an embodiment of the present application;
fig. 5 is a schematic diagram of a partial structure of a tower crane turning assembly according to an embodiment of the present application when the tower crane turning assembly moves along a tower body and is driven by a lifting cylinder to lift a connecting seat.
In the figure: 100. a tower body; 101. a standard section; 102. stepping; 110. an inner suspension mechanism; 111. a hinge base; 112. a support base; 113. a rotating shaft; 120. a slewing bearing; 121. an inner ring; 122. an outer ring; 130. an outer slewing mechanism; 140. overturning the beam frame; 150. a connecting pin; 160. a connecting column; 170. a connecting pin; 180. an upper connecting seat; 190. a lower connecting seat; 200. a lifting oil cylinder; 210. a plug pin; 220. a boom; 230. balance arm.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the product of the application, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The features and capabilities of the tower crane swing assembly of the present application are described in further detail below with reference to the examples.
As shown in fig. 1, 2, 3, 4 and 5, the embodiment of the present application provides a tower crane turning assembly, which is used for being connected to a tower body 100 formed by sequentially connecting eighteen standard sections 101 in a lifting manner; the tower crane rotation assembly comprises an inner suspension mechanism 110, a rotation support 120, an outer rotation mechanism 130 and a lifting mechanism, wherein the inner suspension mechanism 110, the rotation support 120 and the outer rotation mechanism 130 are sleeved on the tower body 100, the lifting mechanism is used for driving the inner suspension mechanism 110 to lift along the tower body 100, the rotation support 120 comprises an inner ring 121 connected with the inner suspension mechanism 110 and an outer ring 122 connected with the outer rotation mechanism 130, and the inner ring 121 is rotatably and coaxially connected with the outer ring 122 along a vertical axis; the top end of the inner suspension mechanism 110 is provided with two hinge seats 111, the other end is provided with two supporting seats 112, two sides of one end of the turnover beam frame 140 are respectively hinged with the two hinge seats 111 through a rotating shaft 113, two sides of the other end of the turnover beam frame 140 are respectively detachably connected with the two supporting seats 112 through a connecting pin 150, and the two connecting pins 150 are configured to axially move to sequentially pass through the two supporting seats 112 and then to be inserted into two sides of the end of the turnover beam frame 140. Two ends of the bottom of the turnover beam frame 140 are respectively connected with two connecting columns 160, four connecting columns 160 are respectively detachably connected with two ends of two sides of the topmost standard joint 101 through connecting pins 170, and the four connecting pins 170 are configured to axially move to sequentially pass through the four connecting columns 160 and then to be inserted into two ends of two sides of the topmost standard joint 101; both ends of the outer swing mechanism 130 are respectively connected to the boom 220 and the balance arm 230.
The lifting mechanism comprises an upper connecting seat 180 and a lower connecting seat 190, wherein the upper connecting seat 180 is respectively connected with two sides of the bottom of the outer slewing mechanism 130, the lower connecting seat 190 is respectively positioned below the two upper connecting seats 180, each upper connecting seat 180 is hinged with the corresponding lower connecting seat 190 through a corresponding lifting oil cylinder 200, two ends of each upper connecting seat 180 and each lower connecting seat 190 are respectively connected with a plug 210 through threads, the plug 210 moves axially along the plug when rotating so as to be inserted into or separated from the corresponding upper connecting seat 180 or the corresponding lower connecting seat 190, four steps 102 are respectively connected with the outer walls of two sides of each standard section 101, and the four steps 102 at the side part of each standard section 101 are divided into two rows and are respectively arranged at intervals along the height direction of the standard section 101; when the oil cylinder rod of the lifting oil cylinder 200 is retracted, the four steps 102 at the side part of the standard joint 101 are respectively used for supporting and inserting the four bolts 210 corresponding to the two ends of the upper connecting seat 180 and the two ends of the lower connecting seat 190; for convenience of viewing, the tower body 100 in the drawings of the present embodiment only shows a partial structure of two standard knots 101 connected in sequence.
The tower crane slewing assembly provided by the embodiment is used for being connected to eighteen standard joints 101 in sequence in a liftable manner to form a tower body 100, the tower crane slewing assembly comprises an inner suspension mechanism 110 detachably connected with the top standard joint 101 of the tower body 100, an outer slewing mechanism 130 used for connecting a crane boom 220 and a balance arm 230, a slewing bearing 120 used for rotatably connecting the inner suspension mechanism 110 and the outer slewing mechanism 130 together along a vertical axis and a lifting mechanism used for driving the inner suspension mechanism 110 to lift along the tower body 100, when the tower crane slewing assembly is not required to lift, an operator can hoist equipment through the crane boom 220, and control the outer slewing mechanism 130 and the balance arm 230 and the crane boom 220 which are connected to rotate relative to the inner suspension mechanism 110 to adjust the position of the crane boom 220.
After the joint adding operation is completed, the lifting mechanism can be used to drive the inner suspension mechanism 110 to lift to the joint adding standard joint 101 along the tower body 100, firstly, two ends of the two upper connecting seats 180 are respectively pulled out through bolts 210 in threaded connection, the cylinder rods of the two lifting cylinders 200 are controlled to extend, at this time, as the bolts 210 respectively connected with two ends of the two lower connecting seats 190 downwards press the steps 102 respectively connected with the outer walls of the two sides of the corresponding standard joint 101, the two upper connecting seats 180, the inner suspension mechanism 110, the slewing bearing 120 and the outer slewing mechanism 130 are driven to rise to the joint adding standard joint 101 at the top through the cylinder rods respectively extending from the two lifting cylinders 200, at this time, the bolts 210 are respectively inserted into the two ends of the two upper connecting seats 180 and are respectively supported by the steps 102 respectively arranged on the outer walls of the two sides of the joint adding standard joint 101 at the top, then the bolts 210 respectively connected with the two ends of the two lower connecting seats 190 are pulled out in a rotating way to control the cylinder rods of the two lifting cylinders 200 to shrink, at this time, the two ends of the two upper connecting seats 180 respectively press the steps 102 respectively connected with the outer walls of the two sides of the standard joint 101 of the top section of the tower body 100 through the bolts 210, so that the two lower connecting seats 190 are driven to rise to the corresponding standard joint 101 above through the contracted cylinder rods of the two lifting cylinders 200, the bolts 210 are inserted into the two ends of the two lower connecting seats 190 respectively and supported by the steps 102 respectively arranged on the outer walls of the two sides of the corresponding standard joint 101, the lifting mechanism is used for driving the inner hanging mechanism 110 to lift along the tower body 100, at this time, the turnover beam frame 140 can be rotated reversely, and the two connecting pins 150 are respectively inserted into the two supporting seats 112 and two sides of one end of the turnover beam frame 140 to be locked, and four connecting pins 170 are respectively inserted into two ends of two sides of the four connecting columns 160 at the bottom and the topmost standard joint 101 of the turnover beam frame 140 for locking.
In alternative embodiments, other conventional lifting mechanisms may be used to drive the inner suspension mechanism 110 up and down the tower 100.
The embodiments described above are some, but not all embodiments of the application. The detailed description of the embodiments of the application is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Claims (3)
1. The utility model provides a tower machine gyration assembly for liftable connect in the tower body that a plurality of standard festival connect gradually and constitute, its characterized in that, it includes the cover establish interior suspension mechanism, slewing bearing and outer slewing mechanism on the tower body and be used for driving interior suspension mechanism is followed the elevating system that the tower body goes up and down, slewing bearing can be connected with around vertical axis rotation in interior suspension mechanism, outer slewing mechanism with slewing bearing fixed connection, interior suspension mechanism's top articulates there is rotatable upset roof beam rest, the upset roof beam rest is configured to rotate the time with the standard festival of top is dismantled and is connected or breaks away from, the bottom of upset roof beam rest is connected with a plurality of spliced poles, every the spliced pole all with the top standard festival passes through the spliced pin and can dismantle the connection, the one end of upset roof beam rest with interior suspension mechanism one end is articulated through articulated seat and pivot, the other end passes through at least one spliced pin with interior suspension mechanism other end can dismantle the connection.
2. The tower crane slewing assembly according to claim 1, wherein the lifting mechanism comprises an upper connecting seat connected with two sides of the bottom of the outer slewing mechanism respectively, and a lower connecting seat positioned below the two upper connecting seats respectively, the upper connecting seat and the corresponding lower connecting seat are hinged through at least one lifting cylinder, the upper connecting seat and the lower connecting seat are respectively connected with at least one bolt, the bolts are configured to move along the axial direction of the bolts so as to insert or separate from the corresponding upper connecting seat or the lower connecting seat, a plurality of steps which are arranged at intervals along the height direction of the outer walls of two sides of the standard knot are respectively connected with the bolts which are used for supporting and inserting the corresponding upper connecting seat or the corresponding lower connecting seat.
3. The tower crane turning assembly of claim 1, wherein the turning support includes an inner race coupled to the inner suspension mechanism and an outer race coupled to the outer turning mechanism, the inner race rotatably coaxially coupled to the outer race.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110772462.5A CN113387286B (en) | 2021-07-08 | 2021-07-08 | Tower crane rotation assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110772462.5A CN113387286B (en) | 2021-07-08 | 2021-07-08 | Tower crane rotation assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113387286A CN113387286A (en) | 2021-09-14 |
| CN113387286B true CN113387286B (en) | 2024-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110772462.5A Active CN113387286B (en) | 2021-07-08 | 2021-07-08 | Tower crane rotation assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407902A (en) * | 2013-08-28 | 2013-11-27 | 哈尔滨工业大学 | Arm-folding type tower crane jacking device and method for increasing height of tower crane |
| CN103663187A (en) * | 2013-12-05 | 2014-03-26 | 中联重科股份有限公司 | Crane, standard knot lifting and adding system thereof and standard knot lifting and adding method |
| CN203820379U (en) * | 2014-05-04 | 2014-09-10 | 中国建筑科学研究院建筑机械化研究分院 | Fine adjusting and anti-falling device of aerial working platform |
| CN208934393U (en) * | 2018-08-30 | 2019-06-04 | 中交二航局第二工程有限公司 | For the flip beam in hydraulic climbing formwork platform |
| CN110203838A (en) * | 2019-06-27 | 2019-09-06 | 陕西建设机械股份有限公司 | A kind of tower crane stock climbs and descending mechanism and its application method |
| CN111762699A (en) * | 2020-06-29 | 2020-10-13 | 中建三局集团有限公司 | Safety tower crane and implementation method thereof |
-
2021
- 2021-07-08 CN CN202110772462.5A patent/CN113387286B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407902A (en) * | 2013-08-28 | 2013-11-27 | 哈尔滨工业大学 | Arm-folding type tower crane jacking device and method for increasing height of tower crane |
| CN103663187A (en) * | 2013-12-05 | 2014-03-26 | 中联重科股份有限公司 | Crane, standard knot lifting and adding system thereof and standard knot lifting and adding method |
| CN203820379U (en) * | 2014-05-04 | 2014-09-10 | 中国建筑科学研究院建筑机械化研究分院 | Fine adjusting and anti-falling device of aerial working platform |
| CN208934393U (en) * | 2018-08-30 | 2019-06-04 | 中交二航局第二工程有限公司 | For the flip beam in hydraulic climbing formwork platform |
| CN110203838A (en) * | 2019-06-27 | 2019-09-06 | 陕西建设机械股份有限公司 | A kind of tower crane stock climbs and descending mechanism and its application method |
| CN111762699A (en) * | 2020-06-29 | 2020-10-13 | 中建三局集团有限公司 | Safety tower crane and implementation method thereof |
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| Publication number | Publication date |
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| CN113387286A (en) | 2021-09-14 |
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