CN110027992B - Automatic jacking and positioning device and method for standard section of tower crane - Google Patents
Automatic jacking and positioning device and method for standard section of tower crane Download PDFInfo
- Publication number
- CN110027992B CN110027992B CN201910401195.3A CN201910401195A CN110027992B CN 110027992 B CN110027992 B CN 110027992B CN 201910401195 A CN201910401195 A CN 201910401195A CN 110027992 B CN110027992 B CN 110027992B
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- standard section
- tower crane
- hydraulic cylinder
- enclasping
- jacking
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 210000000078 claw Anatomy 0.000 claims description 20
- 230000007306 turnover Effects 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification 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
- B66C23/18—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Jib Cranes (AREA)
Abstract
An automatic jacking and positioning device and method for standard joints of a tower crane are provided, wherein an upper frame and a lower frame of the device are respectively and tightly held and fixed with the standard joints of the upper and lower tower cranes, four jacking hydraulic cylinders are uniformly and vertically arranged between the upper frame and the lower frame, piston rods of the jacking hydraulic cylinders are fixedly connected with the upper frame, and cylinder barrels of the jacking hydraulic cylinders are fixedly connected with the lower frame; the overturning platform is hinged on the upper frame and used for placing standard joints to be installed, and the overturning platform is driven by a motor. The method comprises the following steps: disconnecting the standard sections of the upper tower crane and the lower tower crane, and synchronously jacking the upper frame and the standard sections of the upper tower crane to the requirement of a specified distance; adjusting the overturning platform to be in a horizontal state; hoisting the standard section to be installed on the overturning platform in a laying state; synchronously adjusting the overturning platform and the standard section to be installed to an upright state, enabling the standard section to be installed to fall on the standard section of the lower tower crane and fixedly connecting the standard section to be installed, and enabling the standard section to fall on the standard section to be installed and fixedly connecting the standard section to be installed; and (5) releasing the enclasping of the lower frame and the lower tower crane standard section, and lifting the cylinder barrel of the jacking hydraulic cylinder back to the initial position.
Description
Technical Field
The invention belongs to the technical field of tower cranes, and particularly relates to an automatic lifting and positioning device and method for a standard section of a tower crane.
Background
In the construction process of the assembled building, the hoisting work of the prefabricated parts is basically completed by the tower crane, and along with the increasing of the height of the building, the tower crane also needs to climb along with the building, and the climbing process of the tower crane is the installation process of the standard section.
At present, the automation degree of the installation process of the tower crane standard section is lower, a large amount of manpower is needed for assistance, the installation efficiency is low, meanwhile, the professional requirements on installation staff are higher, and the risk of aloft work is increased in an intangible way due to the longer time for the installation staff to leave.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides the automatic jacking and positioning device and the automatic jacking and positioning method for the standard section of the tower crane, which do not need a great deal of manpower for assistance, effectively improve the installation efficiency, reduce the professional requirements on installers, reduce the clearance time of the installers and reduce the risk of high-altitude operation to a certain extent.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the automatic jacking and positioning device for the standard section of the tower crane comprises a jacking hydraulic cylinder, an upper frame, a lower frame, a turnover platform, a swing motor, a swing rod and a connecting rod; the upper frame and the lower frame are sleeved on the tower crane standard section, the top of the upper frame is connected with the tower crane standard section through a enclasping mechanism, and the bottom of the lower frame is connected with the tower crane standard section through the enclasping mechanism; the number of the jacking hydraulic cylinders is four, and the four jacking hydraulic cylinders are uniformly distributed between the upper frame and the lower frame; the jacking hydraulic cylinder is vertically arranged, a piston rod of the jacking hydraulic cylinder faces upwards, the bottom end of a cylinder barrel of the jacking hydraulic cylinder is fixedly connected to the lower frame, and the top end of a piston rod of the jacking hydraulic cylinder is fixedly connected to the upper frame; one end of the overturning platform is hinged to the lower end of the upper frame, and the other end of the overturning platform is a free end; the swing motor is fixedly arranged at the top end of the upper frame, one end of the swing rod is fixedly connected with a motor shaft of the swing motor, the other end of the swing rod is hinged with one end of the connecting rod, and the other end of the connecting rod is hinged on the overturning platform; the overturning platform is used for placing standard knots to be installed.
The overturning platform is provided with a plurality of guide rollers, and the positions of the standard joints to be installed are adjusted through the guide rollers.
And an auxiliary bearing bracket of the turnover platform is arranged at the bottom of the lower frame below the turnover platform.
The periphery of the lower frame is fixedly provided with an installer walking platform.
The enclasping mechanism comprises an enclasping hydraulic cylinder, a left enclasping claw and a right enclasping claw, wherein the left enclasping claw is fixedly connected to a piston rod of the enclasping hydraulic cylinder, the right enclasping claw is fixedly connected to a cylinder barrel of the enclasping hydraulic cylinder, and a tower crane standard section is positioned between the left enclasping claw and the right enclasping claw and enclasping or unclamping is carried out on the tower crane standard section through the extending or retracting action of the piston rod of the enclasping hydraulic cylinder.
The automatic jacking and positioning method for the standard section of the tower crane adopts the automatic jacking and positioning device for the standard section of the tower crane, and comprises the following steps:
step one: the upper frame is tightly held and fixed with the tower crane standard section above the upper frame, the lower frame is tightly held and fixed with the tower crane standard section below the lower frame, then connecting bolts between the upper tower crane standard section and the lower tower crane standard section are detached, and the connection between the upper tower crane standard section and the lower tower crane standard section is disconnected;
step two: starting the jacking hydraulic cylinder to enable a piston rod of the jacking hydraulic cylinder to extend upwards, and synchronously jacking the upper frame and the tower crane standard section above the upper frame until the distance between the upper tower crane standard section and the lower tower crane standard section reaches the specified requirement;
step three: starting a swinging motor, and gradually changing the overturning platform from a vertical state to a horizontal state through the transmission of the swinging rod and the connecting rod until the overturning platform is placed on the overturning platform auxiliary bearing bracket;
step four: hoisting the standard section to be installed on the overturning platform in a laying state, and then adjusting the standard section to be installed to an installation position;
step five: starting a swinging motor, enabling the overturning platform and the standard section to be installed to be gradually changed from a horizontal state to an upright state through the transmission of a swinging rod and a connecting rod until the standard section to be installed is accurately placed on the top end of the standard section of the tower crane below the lower frame, and then fixedly connecting the standard section to be installed with the standard section of the tower crane below the standard section through bolts;
step six: starting the jacking hydraulic cylinder to enable a piston rod of the jacking hydraulic cylinder to retract downwards until a tower crane standard section above the upper frame accurately falls onto the standard section to be installed, and then fixedly connecting the standard section to be installed with the tower crane standard section above the standard section through bolts;
step seven: and releasing the clasping state between the lower frame and the tower crane standard section below the lower frame, and then starting the jacking hydraulic cylinder to enable the piston rod of the jacking hydraulic cylinder to retract.
The invention has the beneficial effects that:
the invention provides an automatic lifting and positioning device and method for a standard section of a tower crane, which can realize efficient and accurate positioning of the standard section only through the overturning action of an overturning platform without a great deal of manpower, effectively improve the installation efficiency, reduce the professional requirements on installers, reduce the emptying time of the installers and reduce the risk of high-altitude operation to a certain extent.
Drawings
FIG. 1 is a schematic diagram of a structure of an automatic lifting and positioning device (initial state) of a standard section of a tower crane;
fig. 2 is a schematic structural view of an automatic lifting and positioning device (standard section to be installed is in a laying state) of a standard section of a tower crane;
FIG. 3 is a schematic structural view of an automatic lifting and positioning device (standard section to be installed is in the process of turning) for a standard section of a tower crane;
fig. 4 is a schematic structural diagram of an automatic lifting and positioning device (a standard joint to be installed is turned over and positioned) for a standard joint of a tower crane;
FIG. 5 is a schematic view of the enclasping mechanism of the present invention;
in the figure, a 1-jacking hydraulic cylinder, a 2-upper frame, a 3-lower frame, a 4-overturning platform, a 5-swinging motor, a 6-swinging rod, a 7-connecting rod, an 8-tower crane standard section, a 9-enclasping mechanism, a 10-standard section to be installed, a 11-guide roller, a 12-overturning platform auxiliary bearing bracket, a 13-installer walking platform, a 14-enclasping hydraulic cylinder, a 15-left enclasping claw and a 16-right enclasping claw.
Detailed Description
The invention will now be described in further detail with reference to the drawings and to specific examples.
As shown in fig. 1-5, an automatic jacking and positioning device for a standard section of a tower crane comprises a jacking hydraulic cylinder 1, an upper frame 2, a lower frame 3, a turnover platform 4, a swinging motor 5, a swinging rod 6 and a connecting rod 7; the upper frame 2 and the lower frame 3 are sleeved on a tower crane standard joint 8, the top of the upper frame 2 is connected with the tower crane standard joint 8 through a enclasping mechanism 9, and the bottom of the lower frame 3 is connected with the tower crane standard joint 8 through the enclasping mechanism 9; the number of the jacking hydraulic cylinders 1 is four, and the four jacking hydraulic cylinders 1 are uniformly distributed between the upper frame 2 and the lower frame 3; the jacking hydraulic cylinder 1 is vertically arranged, a piston rod of the jacking hydraulic cylinder 1 faces upwards, the bottom end of a cylinder barrel of the jacking hydraulic cylinder 1 is fixedly connected to the lower frame 3, and the top end of a piston rod of the jacking hydraulic cylinder 1 is fixedly connected to the upper frame 2; one end of the turnover platform 4 is hinged to the lower end of the upper frame 2, and the other end of the turnover platform 4 is a free end; the swing motor 5 is fixedly arranged at the top end of the upper frame 2, one end of the swing rod 6 is fixedly connected with a motor shaft of the swing motor 5, the other end of the swing rod 6 is hinged with one end of the connecting rod 7, and the other end of the connecting rod 7 is hinged on the overturning platform 4; the overturning platform 4 is used for placing the standard joint 10 to be installed.
A plurality of guide rollers 11 are arranged on the overturning platform 4, and the positions of the standard sections 10 to be installed are adjusted through the guide rollers 11.
The bottom of the lower frame 3 below the turnover platform 4 is provided with a turnover platform auxiliary bearing bracket 12.
The periphery of the lower frame 3 is fixedly provided with an installer walking platform 13.
The enclasping mechanism 9 comprises an enclasping hydraulic cylinder 14, a left enclasping claw 15 and a right enclasping claw 16, wherein the left enclasping claw 15 is fixedly connected to a piston rod of the enclasping hydraulic cylinder 14, the right enclasping claw 16 is fixedly connected to a cylinder barrel of the enclasping hydraulic cylinder 14, the tower crane standard section 8 is positioned between the left enclasping claw 15 and the right enclasping claw 16, and enclasping or loosening is carried out on the tower crane standard section 8 through the extending or retracting action of the piston rod of the enclasping hydraulic cylinder 14.
The automatic jacking and positioning method for the standard section of the tower crane adopts the automatic jacking and positioning device for the standard section of the tower crane, and comprises the following steps:
step one: the upper frame 2 is tightly held and fixed with the tower crane standard section 8 above the upper frame, the lower frame 3 is tightly held and fixed with the tower crane standard section 8 below the lower frame, then the connecting bolts between the upper and lower tower crane standard sections 8 are detached, and the connection between the upper and lower tower crane standard sections 8 is disconnected;
step two: starting the jacking hydraulic cylinder 1 to enable a piston rod of the jacking hydraulic cylinder 1 to extend upwards, and synchronously jacking the upper frame 2 and the tower crane standard section 8 above the upper frame until the distance between the upper tower crane standard section 8 and the lower tower crane standard section 8 meets the specified requirement;
step three: starting the swing motor 5, and gradually changing the overturning platform 4 from the vertical state to the horizontal state through the transmission of the swing rod 6 and the connecting rod 7 until the overturning platform 4 is placed on the overturning platform auxiliary bearing bracket 12;
step four: hoisting the standard section 10 to be installed on the overturning platform 4 in a laying state, and then adjusting the standard section 10 to be installed to an installation position;
step five: starting a swinging motor 5, enabling the turnover platform 4 and the standard section 10 to be installed to be gradually changed from a horizontal state to an upright state synchronously through the transmission of a swinging rod 6 and a connecting rod 7 until the standard section 10 to be installed is accurately placed on the top end of the tower crane standard section 8 below the lower frame 3, and then fixedly connecting the standard section 10 to be installed with the tower crane standard section 8 below the standard section through bolts;
step six: starting the jacking hydraulic cylinder 1, enabling a piston rod of the jacking hydraulic cylinder 1 to retract downwards until a tower crane standard section 8 above the upper frame 2 accurately falls onto a standard section 10 to be installed, and fixedly connecting the standard section 10 to be installed with the tower crane standard section 8 above the standard section through bolts;
step seven: and releasing the clasping state between the lower frame 3 and the tower crane standard section 8 below the lower frame, and then starting the jacking hydraulic cylinder 1 to retract the piston rod of the jacking hydraulic cylinder 1, wherein the clasping state is maintained between the upper frame 2 and the tower crane standard section 8 above the upper frame, so that the cylinder body of the jacking hydraulic cylinder 1 and the lower frame 3 can be synchronously lifted upwards in the retraction process of the piston rod of the jacking hydraulic cylinder 1 until the piston rod of the jacking hydraulic cylinder 1 is retracted to an initial state.
The embodiments are not intended to limit the scope of the invention, but rather are intended to cover all equivalent implementations or modifications that can be made without departing from the scope of the invention.
Claims (3)
1. The utility model provides a tower machine standard festival automatic jacking device of taking one's place which characterized in that: the lifting device comprises a lifting hydraulic cylinder, an upper frame, a lower frame, a turnover platform, a swinging motor, a swinging rod and a connecting rod; the upper frame and the lower frame are sleeved on the tower crane standard section, the top of the upper frame is connected with the tower crane standard section through a enclasping mechanism, and the bottom of the lower frame is connected with the tower crane standard section through the enclasping mechanism; the number of the jacking hydraulic cylinders is four, and the four jacking hydraulic cylinders are uniformly distributed between the upper frame and the lower frame; the jacking hydraulic cylinder is vertically arranged, a piston rod of the jacking hydraulic cylinder faces upwards, the bottom end of a cylinder barrel of the jacking hydraulic cylinder is fixedly connected to the lower frame, and the top end of a piston rod of the jacking hydraulic cylinder is fixedly connected to the upper frame; one end of the overturning platform is hinged to the lower end of the upper frame, and the other end of the overturning platform is a free end; the swing motor is fixedly arranged at the top end of the upper frame, one end of the swing rod is fixedly connected with a motor shaft of the swing motor, the other end of the swing rod is hinged with one end of the connecting rod, and the other end of the connecting rod is hinged on the overturning platform; the overturning platform is used for placing standard knots to be installed; a plurality of guide rollers are arranged on the overturning platform, and the positions of the standard sections to be installed are adjusted through the guide rollers; an auxiliary bearing bracket of the turnover platform is arranged at the bottom of the lower frame below the turnover platform; the enclasping mechanism comprises an enclasping hydraulic cylinder, a left enclasping claw and a right enclasping claw, wherein the left enclasping claw is fixedly connected to a piston rod of the enclasping hydraulic cylinder, the right enclasping claw is fixedly connected to a cylinder barrel of the enclasping hydraulic cylinder, and a tower crane standard section is positioned between the left enclasping claw and the right enclasping claw and enclasping or unclamping is carried out on the tower crane standard section through the extending or retracting action of the piston rod of the enclasping hydraulic cylinder.
2. The automatic jacking and positioning device for standard knots of tower cranes according to claim 1, wherein: the periphery of the lower frame is fixedly provided with an installer walking platform.
3. The automatic jacking and positioning method for the standard section of the tower crane is characterized by comprising the following steps of:
step one: the upper frame is tightly held and fixed with the tower crane standard section above the upper frame, the lower frame is tightly held and fixed with the tower crane standard section below the lower frame, then connecting bolts between the upper tower crane standard section and the lower tower crane standard section are detached, and the connection between the upper tower crane standard section and the lower tower crane standard section is disconnected;
step two: starting the jacking hydraulic cylinder to enable a piston rod of the jacking hydraulic cylinder to extend upwards, and synchronously jacking the upper frame and the tower crane standard section above the upper frame until the distance between the upper tower crane standard section and the lower tower crane standard section reaches the specified requirement;
step three: starting a swinging motor, and gradually changing the overturning platform from a vertical state to a horizontal state through the transmission of the swinging rod and the connecting rod until the overturning platform is placed on the overturning platform auxiliary bearing bracket;
step four: hoisting the standard section to be installed on the overturning platform in a laying state, and then adjusting the standard section to be installed to an installation position;
step five: starting a swinging motor, enabling the overturning platform and the standard section to be installed to be gradually changed from a horizontal state to an upright state through the transmission of a swinging rod and a connecting rod until the standard section to be installed is accurately placed on the top end of the standard section of the tower crane below the lower frame, and then fixedly connecting the standard section to be installed with the standard section of the tower crane below the standard section through bolts;
step six: starting the jacking hydraulic cylinder to enable a piston rod of the jacking hydraulic cylinder to retract downwards until a tower crane standard section above the upper frame accurately falls onto the standard section to be installed, and then fixedly connecting the standard section to be installed with the tower crane standard section above the standard section through bolts;
step seven: and releasing the clasping state between the lower frame and the tower crane standard section below the lower frame, and then starting the jacking hydraulic cylinder to enable the piston rod of the jacking hydraulic cylinder to retract.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910401195.3A CN110027992B (en) | 2019-05-15 | 2019-05-15 | Automatic jacking and positioning device and method for standard section of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910401195.3A CN110027992B (en) | 2019-05-15 | 2019-05-15 | Automatic jacking and positioning device and method for standard section of tower crane |
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| Publication Number | Publication Date |
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| CN110027992A CN110027992A (en) | 2019-07-19 |
| CN110027992B true CN110027992B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910401195.3A Active CN110027992B (en) | 2019-05-15 | 2019-05-15 | Automatic jacking and positioning device and method for standard section of tower crane |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111732009A (en) * | 2020-06-16 | 2020-10-02 | 佛山市兴阳鑫科技有限公司 | Tower crane tower body four-oil-cylinder jacking mechanism |
| CN113387283A (en) * | 2021-07-08 | 2021-09-14 | 中建三局集团有限公司 | Jacking sleeve frame for top plus-minus section tower crane and tower crane |
| CN114031006B (en) * | 2021-11-09 | 2024-02-13 | 中科骊久(济南)机器人有限公司 | Quick fastening structure of tower crane rotary joint and reference joint and tower crane jacking method |
| CN114132848B (en) * | 2021-11-24 | 2023-09-05 | 中国建筑第七工程局有限公司 | Hoisting platform for hoisting assembled concrete building components |
| CN115582860A (en) * | 2022-09-02 | 2023-01-10 | 浙江三一装备有限公司 | Arm support assembling device, operation machine and arm support assembling method |
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- 2019-05-15 CN CN201910401195.3A patent/CN110027992B/en active Active
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| WO2013086879A1 (en) * | 2011-12-15 | 2013-06-20 | 中联重科股份有限公司 | Tower crane access platform structure |
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| Publication number | Publication date |
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| CN110027992A (en) | 2019-07-19 |
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