CN113387285B - Tower crane with rotary assembly and lifting large arm - Google Patents
Tower crane with rotary assembly and lifting large arm Download PDFInfo
- Publication number
- CN113387285B CN113387285B CN202110772443.2A CN202110772443A CN113387285B CN 113387285 B CN113387285 B CN 113387285B CN 202110772443 A CN202110772443 A CN 202110772443A CN 113387285 B CN113387285 B CN 113387285B
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- rotary
- lifting
- assembly
- tower body
- arm
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- 230000007306 turnover Effects 0.000 claims abstract description 37
- 210000000078 claw Anatomy 0.000 claims description 19
- 238000010586 diagram Methods 0.000 description 5
- 238000009435 building construction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 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
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- 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
-
- 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
-
- 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
- B66C23/64—Jibs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Jib Cranes (AREA)
Abstract
A rotary assembly and a tower crane with a liftable large arm relate to the field of tower cranes. The tower crane with the rotary assembly and the lifting large arm comprises a tower body, a rotary assembly, a lifting device, a lifting arm and a balance arm, wherein the tower body is composed of a plurality of standard joints which are connected in sequence, the rotary assembly is sleeved on the tower body, and the lifting device is used for driving the rotary assembly to lift along the tower body; the rotary assembly comprises an inner rotary mechanism, an outer rotary mechanism and a rotary support which rotatably connects the outer rotary mechanism with the inner rotary mechanism, wherein two ends of the outer rotary mechanism are respectively connected with the lifting arm and the balance arm, the inner rotary mechanism is hinged with a turnover beam frame which is detachably connected with the inner rotary mechanism, and the turnover beam frame is rotatably arranged at the top of any standard section and is connected with or separated from the inner rotary mechanism and the corresponding standard section. The tower crane with the rotary assembly and the lifting boom can safely and efficiently carry out standard knot adding and subtracting operation at the top of the tower body, and the rotary assembly can drive the lifting boom and the balancing boom to lift along the tower body to adapt to the use requirements of different heights.
Description
Technical Field
The application relates to the field of tower cranes, in particular to a rotary assembly and a tower crane with a liftable large arm.
Background
Tower crane is abbreviated as tower crane, and is widely used in building construction industry as the vertical transportation equipment that is commonly used. The existing building construction site adopts the jack-up tower crane with the sections to adapt to different increased construction building heights, the slewing mechanism of the jack-up tower crane with the sections is fixedly connected with the standard section at the top of the tower body, so that the working height of the slewing mechanism can not be adjusted at will along with the increase and decrease of the standard section, meanwhile, the lower part of the slewing mechanism of the existing jack-up tower crane with the sections is generally provided with an outer sleeve frame and a lifting device, the lifting of the outer sleeve frame and the upper tower crane is realized through the expansion and contraction of a lifting cylinder of the lifting device, the increase and decrease of the standard section of the tower crane is carried out at the position of the outer sleeve frame, the equipment weight at the top of the tower crane is supported by the outer sleeve frame and the lifting device for a long time in the section adding and reducing processes, the normal operation requirement on operators is higher, and casualties easily occur in the actual operation process.
Disclosure of Invention
The application aims to provide a slewing assembly and a tower crane with liftable large arms, which can safely and efficiently perform standard knot adding and subtracting operation on the top of a tower body, and the slewing assembly can drive a crane arm and a balance arm to lift along the tower body to adapt to the use requirements of different heights.
Embodiments of the present application are implemented as follows:
The embodiment of the application provides a tower crane with a rotary assembly and a lifting large arm, which comprises a tower body, a rotary assembly, a lifting device, a lifting arm and a balance arm, wherein the tower body is composed of a plurality of standard sections which are connected in sequence, the rotary assembly is sleeved on the tower body, and the lifting device is used for driving the rotary assembly to lift along the tower body; the rotary assembly comprises an inner rotary mechanism and an outer rotary mechanism which are sleeved on the tower body, and a rotary support which is used for connecting the outer rotary mechanism to the inner rotary mechanism in a rotary way around a vertical axis, wherein two ends of the outer rotary mechanism are respectively connected with a crane boom and a balance boom, the rotary assembly further comprises a turnover beam frame, one end of which is hinged with one end of the top of the inner rotary mechanism, the other end of the turnover beam frame is detachably connected with the other end of the top of the inner rotary mechanism, and the turnover beam frame is configured to rotatably lap on the top of any standard joint and is connected with or separated from the inner rotary mechanism and the corresponding standard joint.
In some alternative embodiments, two hinge posts and two connecting posts are respectively arranged at two ends of the top of the inner slewing mechanism, two sides of one end of the turnover beam frame are respectively hinged with the two hinge posts, and two sides of the other end of the turnover beam frame are respectively detachably connected with the two connecting posts through fixing pins.
In some alternative embodiments, the lifting device comprises an upper lifting seat connected with two sides of the bottom of the inner slewing mechanism and a lower lifting seat positioned below the two upper lifting seats, at least one lifting cylinder is hinged between each upper lifting seat and the corresponding lower lifting seat, two ends of the upper lifting seat and the lower lifting seat are connected with turnover claws capable of rotating along a vertical plane respectively, two side outer walls of the standard section are connected with a plurality of steps arranged at intervals along the height direction of the standard section respectively, and the steps are used for supporting the turnover claws arranged in a horizontal direction.
In some alternative embodiments, the upper and lower lifting seats are provided with respective tilting motors for driving rotation of the corresponding tilting jaws.
In some alternative embodiments, the two ends of the top two sides of each standard knot are respectively connected with a standard knot hoisting structure ring buckle.
The beneficial effects of the application are as follows: the tower crane with the lifting rotary assembly and the lifting large arm comprises a tower body, a rotary assembly, a lifting device, a lifting arm and a balance arm, wherein the tower body is composed of a plurality of standard joints which are connected in sequence, the rotary assembly is sleeved on the tower body, and the lifting device is used for driving the rotary assembly to lift along the tower body; the rotary assembly comprises an inner rotary mechanism and an outer rotary mechanism which are sleeved on the tower body, and a rotary support which is used for connecting the outer rotary mechanism to the inner rotary mechanism in a rotary way around a vertical axis, wherein two ends of the outer rotary mechanism are respectively connected with a crane boom and a balance boom, the rotary assembly further comprises a turnover beam frame, one end of which is hinged with one end of the top of the inner rotary mechanism, the other end of the turnover beam frame is detachably connected with the other end of the top of the inner rotary mechanism, and the turnover beam frame is configured to rotatably lap on the top of any standard joint and is connected with or separated from the inner rotary mechanism and the corresponding standard joint. The tower crane with the lifting slewing assembly and the lifting boom provided by the embodiment can perform standard knot adding and subtracting operation on the top of the tower body, has the advantages of high construction efficiency and high use safety, and can drive the lifting boom and the balancing boom to lift along the tower body to adapt to the use requirements of different heights.
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 structural diagram of a slewing assembly and a tower crane with a liftable large arm according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a partial structure of a swing assembly and a tower crane with a liftable boom according to an embodiment of the present application;
FIG. 3 is a schematic structural view of a first view of the connection of the swing assembly, the lifting device and the tower body in the swing assembly and the tower crane with a liftable large arm according to the embodiment of the application;
Fig. 4 is a schematic structural diagram of a second view angle of connection between the swing assembly, the lifting device and the tower body in the swing assembly and the tower crane with a liftable large arm according to the embodiment of the application;
FIG. 5 is a schematic structural diagram of a lifting device in a tower crane with a swing assembly and a lifting boom according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a standard section in a slewing assembly and a tower crane with a liftable large arm according to an embodiment of the present application.
In the figure: 100. a tower body; 110. a standard section; 111. stepping; 112. the standard knot hoisting structure is buckled; 120. a boom; 130. a balance arm; 140. an upper lifting seat; 150. a lower lifting seat; 160. turning over the claw; 170. a lifting oil cylinder; 200. a swivel assembly; 210. an inner slewing mechanism; 220. an outer slewing mechanism; 230. a slewing bearing; 231. an inner ring; 232. an outer ring; 240. overturning the beam frame; 250. a hinge post; 260. a connecting column; 270. a fixing pin.
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 performance of the swing assembly and the large arm liftable tower crane of the present application are described in further detail below with reference to the examples.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the embodiment of the application provides a tower crane with a rotary assembly and a lifting big arm, which comprises a tower body 100 formed by fifteen standard joints 110 connected in sequence, a rotary assembly 200 sleeved on the tower body 100, a lifting device for driving the rotary assembly 200 to lift along the tower body 100, a lifting arm 120 and a balance arm 130; the swing assembly 200 comprises an inner swing mechanism 210 and an outer swing mechanism 220 which are sleeved on the tower body 100, and a swing support 230 which connects the outer swing mechanism 220 with the inner swing mechanism 210 in a rotatable manner around a vertical axis, wherein the swing support 230 comprises an inner ring 231 connected with the inner swing mechanism 210 and an outer ring 232 connected with the outer swing mechanism 220, the outer ring 232 is rotatably connected with the inner ring 231, and two ends of the outer swing mechanism 220 are respectively connected with the lifting arm 120 and the balance arm 130; one end of the top of the inner rotary mechanism 210 is hinged with one end of a turnover beam frame 240, the other end of the turnover beam frame 240 is detachably connected with the other end of the top of the inner rotary mechanism 210, the turnover beam frame 240 is configured to rotatably lap on the top of any standard joint 110 and is connected with the inner rotary mechanism 210 or separated from the inner rotary mechanism 210 and the corresponding standard joint 110, two hinged columns 250 and two connecting columns 260 are respectively arranged at two ends of the top of the inner rotary mechanism 210, two sides of one end of the turnover beam frame 240 are respectively hinged with the two hinged columns 250, two sides of the other end of the turnover beam frame 240 are respectively detachably connected with the two connecting columns 260 through fixing pins 270, and the fixing pins 270 are separated from or sequentially pass through the two connecting columns 260 when moving along the axial direction of the fixing pins 270 and are inserted into two sides of one end of the turnover beam frame 240.
The lifting device comprises an upper lifting seat 140 respectively connected with two sides of the bottom of the inner rotary mechanism 210 and a lower lifting seat 150 respectively positioned below the two upper lifting seats 140, wherein a lifting oil cylinder 170 is respectively hinged between each upper lifting seat 140 and the corresponding lower lifting seat 150, two ends of each upper lifting seat 140 and each lower lifting seat 150 are respectively connected with a turnover claw 160 capable of rotating along a vertical plane, two outer walls of two sides of each standard section 110 are respectively connected with four steps 111, the four steps 111 arranged on one side of each standard section 110 are equally divided into two rows and are distributed at intervals along the height direction, each step 111 is used for supporting the turnover claw 160 which is rotated to be distributed in the horizontal direction, in the embodiment, the turnover claw 160 is rotatably connected with the corresponding upper lifting seat 140 or lower lifting seat 150 through bolts, when the bolts are unscrewed, the turnover claw 160 can be rotated to be vertically distributed or horizontally distributed relative to the upper lifting seat 140 or the lower lifting seat 150, and then the turnover claw 160 is fixed on the corresponding upper lifting seat 140 or lower lifting seat 150 through the bolts. Two ends of the top of each standard knot 110 are respectively connected with a standard knot hoisting structure ring buckle 112.
The tower crane with the lifting slewing assembly and the lifting large arm provided by the embodiment comprises a tower body 100, a slewing assembly 200 and a lifting device, wherein the tower body 100 is formed by sequentially connecting a plurality of standard joints 110, the slewing assembly 200 is sleeved on the tower body 100, the lifting device is used for driving the slewing assembly 200 to lift along the tower body 100, the slewing assembly 200 comprises an inner slewing mechanism 210 and an outer slewing mechanism 220 which are sleeved on the tower body 100, and a slewing bearing 230 which rotatably connects the outer slewing mechanism 220 to the inner slewing mechanism 210 around a vertical axis, and two ends of the outer slewing mechanism 220 are respectively connected with a lifting arm 120 and a balance arm 130; when the crane arm 120 connected with the outer revolving mechanism 220 of the revolving assembly 200 is required to hoist materials, one end of the top of the inner revolving mechanism 210 is hinged with the overturning beam frame 240, one end of the overturning beam frame 240 far away from the inner revolving mechanism 210 is rotatably arranged at the top of one standard section 110, meanwhile, two fixing pins 270 respectively pass through two connecting columns 260 in sequence and then are inserted into the overturning beam frame 240 to be fixed at two sides of one end far away from the inner revolving mechanism 210, at the moment, the revolving assembly 200 is arranged and fixed at the top of the standard section 110 through the overturning beam frame 240 connected with the top, thereby ensuring the stability of hoisting materials by the crane arm 120 connected with the outer revolving mechanism 220, when the position of the swing assembly 200 along the tower body 100 needs to be adjusted, an operator only needs to pull out two fixing pins 270 from two connecting posts 260 and two sides of one end of the turnover beam frame 240 in sequence, rotate the turnover beam frame 240 to separate from the standard joint 110 and the tower body 100, then use the lifting device to drive the swing assembly 200 to lift along the tower body 100, specifically, take the lifting device to drive the swing assembly 200 to lift along the tower body 100 as an example, firstly rotate the turnover claws 160 respectively connected with two ends of the two upper lifting seats 140 to be vertically arranged, control the cylinder rods of the two lifting cylinders 170 to stretch out, at this time, the turning claws 160 respectively connected to the two ends of the two lower lifting seats 150 are horizontally arranged and downwardly press the steps 111 respectively connected to the outer walls of the two sides of the corresponding standard joint 110, so that the two upper lifting seats 140 and the inner swing mechanism 210, the swing support 230 and the outer swing mechanism 220 are driven to rise to the upper standard joint 110 by the cylinder rods extending from the two lifting cylinders 170, the turning claws 160 respectively connected to the two ends of the two upper lifting seats 140 are rotated again to be horizontally arranged to press the steps 111 respectively arranged on the outer walls of the two sides of the corresponding standard joint 110 for supporting, then the turning claws 160 respectively connected to the two ends of the two lower lifting seats 150 are rotated to be vertically arranged, the cylinder rods of the two lifting cylinders 170 are controlled to shrink, at this time, the turning claws 160 respectively connected with the two ends of the two upper lifting seats 140 are horizontally arranged and downward press the steps 111 respectively connected with the outer walls of the two sides of the corresponding standard section 110, so that the two lower lifting seats 150 are driven to rise to the corresponding standard section 110 by the cylinder rods shrunk by the two lifting cylinders 170, the turning claws 160 respectively connected with the two ends of the two lower lifting seats 150 are rotated again to be horizontally arranged to support by using the steps 111 respectively arranged on the outer walls of the two sides of the corresponding standard section 110, the lifting operation of driving the rotary assembly 200 to rise along the tower body 100 by using the lifting device is completed, at this time, the turnover beam 240 can be reversely rotated, and two fixing pins 270 are respectively inserted into two sides of one end of the turnover beam 240 after sequentially passing through two connecting columns 260, so that the turnover beam 240 connected with the rotation assembly 200 through the top is erected and fixed on the top of the corresponding standard section 110.
The two ends of the top of each standard knot 110 are respectively connected with a standard knot hoisting structure ring buckle 112, so that the standard knots 110 can be conveniently hoisted to the top of the tower body 100 through the standard knot hoisting structure ring buckles 112 to be connected so as to perform knot adding operation on the tower body 100.
In other alternative embodiments, the upper lifting seat 140 and the lower lifting seat 150 are also respectively connected with a turnover motor for driving the corresponding turnover claws 160 to rotate, and an operator can control the turnover motor to drive the turnover claws 160 connected with the corresponding upper lifting seat 140 and the lower lifting seat 150 to rotate to be vertically arranged for lifting or to horizontally arranged for pressing down the steps 111 respectively arranged on the outer walls of the two sides of the corresponding standard section 110 for supporting.
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 (4)
1. The tower crane comprises a tower body, a rotary assembly, a lifting device, a lifting arm and a balance arm, wherein the tower body is composed of a plurality of standard joints which are connected in sequence, the rotary assembly is sleeved on the tower body, and the lifting device is used for driving the rotary assembly to lift along the tower body; the rotary assembly comprises an inner rotary mechanism and an outer rotary mechanism which are sleeved on the tower body, and a rotary support which is used for connecting the outer rotary mechanism to the inner rotary mechanism in a rotary mode around a vertical axis, wherein two ends of the outer rotary mechanism are respectively connected with the lifting arm and the balance arm.
2. The slewing assembly and big arm liftable tower crane according to claim 1, wherein the lifting device comprises an upper lifting seat connected with two sides of the bottom of the inner slewing mechanism and a lower lifting seat positioned below the two upper lifting seats, at least one lifting cylinder is hinged between each upper lifting seat and the corresponding lower lifting seat, two ends of the upper lifting seat and the lower lifting seat are connected with turnover claws capable of rotating along a vertical plane respectively, two outer walls of two sides of the standard knot are connected with a plurality of steps arranged at intervals along the height direction of the standard knot respectively, and the steps are used for supporting the turnover claws arranged in a horizontal direction.
3. The slewing assembly and big arm liftable tower crane of claim 2, wherein the upper lifting seat and the lower lifting seat are respectively provided with a turnover motor for driving the turnover claw to rotate.
4. The slewing assembly and big arm liftable tower crane of claim 1, wherein two ends of the two sides of the top of each standard knot are respectively connected with a standard knot hoisting structure ring buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110772443.2A CN113387285B (en) | 2021-07-08 | 2021-07-08 | Tower crane with rotary assembly and lifting large arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110772443.2A CN113387285B (en) | 2021-07-08 | 2021-07-08 | Tower crane with rotary assembly and lifting large arm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113387285A CN113387285A (en) | 2021-09-14 |
| CN113387285B true CN113387285B (en) | 2024-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110772443.2A Active CN113387285B (en) | 2021-07-08 | 2021-07-08 | Tower crane with rotary assembly and lifting large arm |
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| CN (1) | CN113387285B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114955894B (en) * | 2022-06-13 | 2023-05-16 | 中建三局集团有限公司 | Top adds festival jack-up formula folding tower machine |
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| CN2218732Y (en) * | 1994-08-16 | 1996-01-31 | 武汉建筑工程总承包(集团)公司 | Shear type two-arm high tower combined working machine |
| CN103295457A (en) * | 2013-05-22 | 2013-09-11 | 温州建设集团有限公司 | Examining and training teaching aid and method for assembling and disassembling 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 |
| 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 CN202110772443.2A patent/CN113387285B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2218732Y (en) * | 1994-08-16 | 1996-01-31 | 武汉建筑工程总承包(集团)公司 | Shear type two-arm high tower combined working machine |
| CN103295457A (en) * | 2013-05-22 | 2013-09-11 | 温州建设集团有限公司 | Examining and training teaching aid and method for assembling and disassembling 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 |
| 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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| CN113387285A (en) | 2021-09-14 |
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