CN115123937A - Automatic jacking system of tower crane - Google Patents
Automatic jacking system of tower crane Download PDFInfo
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- CN115123937A CN115123937A CN202210783771.7A CN202210783771A CN115123937A CN 115123937 A CN115123937 A CN 115123937A CN 202210783771 A CN202210783771 A CN 202210783771A CN 115123937 A CN115123937 A CN 115123937A
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- frame
- standard
- fixed
- tower crane
- jacking
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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
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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
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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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
- B66C23/62—Constructional features or details
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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
- B66C23/88—Safety gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses an automatic jacking system of a tower crane, which comprises a tower body, a rotary component, a tower arm component and a tower crane sleeve frame, wherein a jacking hydraulic cylinder is arranged at the lower part of the tower crane sleeve frame, and a jacking beam is arranged at the bottom of the jacking hydraulic cylinder; two ends of the jacking beam are movably clamped with the steps on the second high standard section of the tower body; a standard joint lead-in inlet is formed in one side of the tower crane sleeve frame, and a lead-in platform is arranged at the standard joint lead-in inlet on the outer side of the tower crane sleeve frame; the two side beams of the introduction platform and the middle cross beam of the tower crane sleeve frame are the same beam body; the system also comprises a controller for controlling the whole system; the automatic tower crane jacking system has the advantages that the sleeve frame is redesigned, a large number of monitoring systems are added, the automatic operation of tower crane jacking operation is realized, the safety of jacking operation is improved, the manpower is replaced by using machinery, and the workload is reduced.
Description
Technical Field
The invention relates to a tower body dismounting system, in particular to an automatic jacking system of a tower crane, and belongs to the technical field of tower body dismounting.
Background
In order to adapt to the heights of different floors, the height of the tower crane is continuously lifted along with the floors of a high-rise building, a tower crane jacking system is inevitably required to work in the lifting process, and in the tower crane jacking process, all parts in the jacking system are required to be ensured to be complete and in place, so that the normal jacking can be ensured; in the prior art, tower crane jacking needs a plurality of operators to climb the tower for monitoring and operation, and once monitoring and operation are not in place or are influenced by other factors, jacking accidents of the tower crane are easily caused.
Disclosure of Invention
In order to solve the problems, the invention provides an automatic jacking system of a tower crane, which is a novel automatic jacking system and can finish operation only by one or two persons for climbing the tower; avoiding a large number of operators from climbing the tower at the same time and reducing the danger of work.
The invention relates to an automatic jacking system of a tower crane, which comprises
A tower body which is formed by assembling standard sections in sequence,
a rotating component which is arranged on the top of the tower body,
the tower arm assembly is fixed on the rotary assembly;
the tower crane sleeve frame is sleeved outside the top of the tower body, and the top of the tower crane sleeve frame is fixed with the bottom of the rotary assembly; the lower part of the tower crane sleeve frame is provided with a jacking hydraulic cylinder, and the bottom of the jacking hydraulic cylinder is provided with a jacking beam; two ends of the jacking beam are movably clamped with the steps on the second high standard section of the tower body; a standard joint leading-in port is formed in one side of the tower crane jacket frame, and a leading-in platform is arranged at the standard joint leading-in port outside the tower crane jacket frame;
the two side beams of the introduction platform and the middle cross beam of the tower crane sleeve frame are the same beam body; also comprises
A controller for controlling the entire system; the controller is in communication connection with the ground console through a wireless communication module; an operator can control the jacking and falling of the tower crane, the disassembly and assembly of the standard knot pin shaft and the disassembly and assembly of the standard knot through a control panel of the ground control console;
the lead-in trolley comprises a frame, and one side of the frame, which is close to the standard joint lead-in opening, is hollow; guide wheels are mounted on two sides of the frame; the guide wheel is arranged on the beam body in a rolling manner; the frame is provided with an automatic reciprocating driving mechanism;
the automatic accurate locating control system for the standard knot comprises a side accurate locating module and an end accurate locating module; the side accurate positioning module comprises a limiting lug fixed on the frame; and a sliding seat fixed on the outer side of the introduction platform; the top of the sliding seat is flush with the top surface of the side beam of the introduction platform; a guide frame with a slope surface structure is arranged on the sliding seat in a sliding manner; a groove body attached to the limiting lug is arranged at the bottom of the guide frame; a hydraulic cylinder is fixed on the sliding seat; the telescopic end of the hydraulic cylinder is fixed with the guide frame; the end part accurate positioning module comprises a positioning seat fixed in the middle of one side of the tower crane sleeve frame far away from the introducing platform; an electric sliding table assembly is fixed on the positioning seat; a right-angle limiting plate is fixed on a sliding block of the electric sliding table assembly; the right-angle limiting plate protrudes out of the end part of the electric sliding table assembly;
the jacking cross beam in-place detection system comprises an in-place inner detection module and/or an in-place outer detection module, wherein the in-place inner detection module comprises a side hole drilled at the end part of the jacking cross beam in the radial direction and a wire groove axially formed in the outer surface of the center of the jacking cross beam and communicated with the side hole; the infrared or mechanical first proximity switch is embedded and fixed in the side hole; the first proximity switch lead is led out from the wire slot; the in-place outer detection module is fixed on an infrared or mechanical second proximity switch at the end part of the jacking cross beam, and the second proximity switch is movably jointed with the step on the standard section;
the standard joint pin shaft dismounting system comprises sliding rails or lifting sliding tables fixed on the side parts of four vertical beams of the tower crane sleeve frame; a rotary mechanical arm is fixed on the sliding rail or the lifting sliding table, and a first electric lifting sliding table fixed at the front end of the rotary mechanical arm or a second electric lifting sliding table group integrally fixed up and down are fixed on the sliding rail or the lifting sliding table; a hydraulic pin striking device is fixed on the first electric lifting sliding table, and a bolt holder and a large-torque wrench are respectively fixed on the two sliding blocks of the second electric lifting sliding table group; the bolt clamp and the large torque wrench are driven by hydraulic or electric power.
Furthermore, a placing device and a disassembling receiving box for arranging and placing pins or bolts and nuts are fixed on four vertical beams of the tower crane sleeve frame.
The system further comprises one or more cameras arranged on the tower crane sleeve frame, the cameras are in communication connection with the ground control console, and a safety gap is formed between the cameras and the tower body; the camera gathers the laminating position that the angle includes upper and lower standard festival, and whether accurate counterpoint of standard festival about the camera can be monitored through the camera to the laminating position between jacking roof beam and the marking time, and whether the round pin axle is accomplished the equipment or is dismantled, still can monitor the jacking roof beam simultaneously and mark time and whether install in place.
Furthermore, the self-powered reciprocating driving mechanism comprises a walking supporting beam fixed on the introducing platform; a walking track is arranged on the walking support beam; a walking driving wheel is arranged on one side of the frame, which is far away from the standard joint inlet; a speed reducer power assembly is fixed on the frame; a driving disc is fixed on an output shaft of the speed reducer power assembly; the driving disc is installed with the chain disc on the walking driving wheel through a chain.
Furthermore, the self-powered reciprocating driving mechanism comprises two groups of traction lugs fixed on two sides of the frame; and the axle fixed on the leading-in platform and the end side of the tower crane sleeve frame is dead against the axle through the bearing; the middle part of the axle is provided with a transmission disc; the transmission disc is mounted with a speed reducer power assembly through a transmission chain; a winding disc is fixed on the axle opposite to the traction lug; the winding disc is wound with a traction rope; the other end of the hauling cable is fixed to the hauling ear.
An automatic jacking method of a tower crane comprises the following specific steps:
a, arranging standard knots to be hoisted into a row, then rotating a tower arm component to one side of an introduction platform through a rotating component, then lowering a lifting hook to hoist the standard knots, lifting the standard knots to the introduction platform, then hoisting another standard knot again, and advancing to a balance point of a tower arm;
B. the standard knot is automatically and accurately placed in place, the hoisted standard knot is sent to the introduction trolley and is pulled and placed downwards through the lifting hook, when the standard knot is placed downwards, the lapping edge of the standard knot is pressed on a main beam of the introduction trolley due to the traction of the lifting hook and the guiding of the accurate placing module on the side part, the outer side of the standard knot is limited by the limiting lug, before the standard knot is pressed downwards, the hydraulic cylinder drives the guide frame to slide on the sliding seat, the bottom of the guide frame is attached to the limiting lug, when the standard knot is placed downwards, the guide frame is used for guiding, and when the standard knot is sent to the introduction trolley, the two sides of the standard knot are accurately placed between the limiting lugs;
C. detecting the position of the jacking cross beam, and enabling two ends of the jacking cross beam to fall onto the steps when the controller controls the hydraulic cylinder to extend out to drive the jacking cross beam; at the moment, the in-position inner detection module and/or the in-position outer detection module are/is triggered by stepping shielding or touching, the first proximity switch and/or the second proximity switch send a trigger signal to the controller, and the controller determines that the jacking cross beam is in position after receiving the signal; the controller can send out a jacking requirement, and a jacking hydraulic cylinder jacks the tower crane sleeve frame to a set height;
D. the accurate counterpoint of standard festival, because the tower body central line is fixed, and tower machine stock jacket installation position is fixed, the interval of tower machine stock jacket and tower body is fixed, the standard festival and the tower machine stock jacket interval of installation are fixed, and when the accurate counterpoint of standard festival, it is spacing to carry out the tip to the standard festival through the accurate module of taking one's place of tip earlier, and spacing setting is specifically as follows: the electric sliding table assembly drives the right-angle limiting plate to act, the right-angle limiting plate moves towards one side of the tower body, the right-angle limiting plate is attached to the outer side of the standard knot at the top of the tower body, the top of the right-angle limiting plate protrudes out of the standard knot at the top of the tower body, the electric sliding table assembly stops and locks the right-angle limiting plate, then the frame moves towards the inside of the tower jacket frame through the automatic power reciprocating driving mechanism, the standard knot is driven to be sent into the tower jacket frame from the introduction platform and the introduction port of the standard knot, when the standard knot on the frame is attached to the right-angle limiting plate, the controller sends out a stop signal to the automatic power reciprocating driving mechanism, and because the two sides of the standard knot are limited by the limiting lugs, the front end of the standard knot is limited by the right-angle limiting plate, so that the standard knot on the frame is accurately aligned with the standard knot at the top of the tower body;
E. the standard knot is in place, when the controller controls the hydraulic cylinder to retract, the tower crane sleeve frame descends, the standard knot on the frame is pressed with the standard knot on the top of the tower body, the standard knot is separated from the frame, and the frame is sent to the standard knot waiting for receiving by the introduction platform through the automatic power reciprocating driving mechanism;
f, installing a standard joint pin shaft, and assembling the pin shaft on the alignment hole of the adjacent standard joint through a dismounting system after the standard joint is in place; when the pin shaft of the tower crane is a pin column, the rotating mechanical arm rotates to the placing device, the hydraulic pin beating device is driven by the first electric lifting sliding table to move towards the placing device, the hydraulic pin beating device clamps the pin column and turns to the aligning hole, the pin column is driven by the first electric lifting sliding table to be embedded into the aligning hole, and the pin beating task is completed by the hydraulic pin beating device; after the installation is finished, the rotary mechanical arm is rotated to the outside of the tower crane jacket frame, so that the interference of the movement of the tower crane jacket frame is avoided; when the pin shaft of the tower crane is a bolt nut, the rotating mechanical arm rotates to the placing device, and the second electric lifting sliding table group is adjusted to act, so that the bolt holder clamps the bolt, and the large-torque wrench clamps the nut; then, controlling the bolt and the nut to be separated, and rotationally conveying the bolt and the nut to the top surface and the bottom surface of the adjacent standard knot, and realizing butt joint and alignment holes of the bolt and the nut; then, driving the bolt holder to feed the bolt into the positioning hole through one sliding table and tightly push the bolt, driving the other sliding table to drive a nut in the large-torque wrench to be in butt joint with the bolt, and operating through the large-torque wrench; the bolt and the nut are fastened, after the fastening is finished, the second electric lifting sliding table group is reset, and the rotary mechanical arm is reset; the standard joint dismounting process is opposite to the standard joint pin shaft mounting process, and the dismounted pin shaft is sent to the dismounting receiving box.
Compared with the prior art, the automatic tower crane jacking system has the advantages that the sleeve frame is redesigned, a large number of monitoring systems are added, the automatic operation of tower crane jacking operation and the safety of jacking operation are improved, the manpower is replaced by machinery, and the workload is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.
FIG. 2 is a schematic view of the installation structure of the tower crane jacket frame and the jacking hydraulic cylinder of the invention
FIG. 3 is a schematic diagram of the layout of the introduction platform and the introduction cart according to the present invention.
Fig. 4 is a schematic structural view of a side accurate-in-place module of the present invention.
Fig. 5 is a schematic structural view of the end precise-positioning module of the present invention.
FIG. 6 is a schematic view of the in-situ detection module according to the present invention.
FIG. 7 is a schematic structural diagram of an in-place external detection module according to the present invention.
FIG. 8 is a schematic diagram of a system for assembling and disassembling a standard joint pin structure according to the present invention.
FIG. 9 is a schematic structural diagram of a system for assembling and disassembling a standard bolt and nut structure according to the present invention.
Fig. 10 is a schematic view of the placement device of the present invention.
FIG. 11 is a schematic structural diagram of an embodiment of the self-powered reciprocating driving mechanism of the present invention.
FIG. 12 is a schematic structural diagram of another embodiment of the self-powered reciprocating drive mechanism of the present invention.
Detailed Description
Example 1:
as shown in figures 1 and 2, the automatic jacking system of the tower crane comprises
A tower body 1, which is formed by assembling standard sections in sequence,
a rotary component 2, wherein the rotary component 2 is arranged at the top of the tower body 1,
the tower arm component 3 is fixed on the rotary component 2;
the tower crane sleeve frame 4 is sleeved outside the top of the tower body 1, and the top of the tower crane sleeve frame 4 is fixed with the bottom of the rotary component 2; the lower part of the tower crane sleeve frame 4 is provided with a jacking hydraulic cylinder 7, and the bottom of the jacking hydraulic cylinder 7 is provided with a jacking beam 8; two ends of the jacking beam 8 are movably clamped with the steps 9 on the second high standard section A of the tower body; a standard joint lead-in port 5 is arranged on one side of the tower crane sleeve frame 4, and a lead-in platform 6 is arranged at the standard joint lead-in port on the outer side of the tower crane sleeve frame 4;
as shown in fig. 3, the two side beams of the introduction platform 6 and the middle cross beam of the tower crane jacket 4 are the same beam body 41; also comprises
A controller for controlling the entire system; the controller is in communication connection with the ground console through a wireless communication module;
the lead-in trolley 10 comprises a frame 101, and one side of the frame 101, which is close to a standard joint lead-in opening, is hollow; guide wheels 102 are arranged on two sides of the frame 101; the guide wheel 102 is arranged on the beam body 41 in a rolling manner; the frame 101 is provided with an automatic reciprocating driving mechanism;
as shown in fig. 4 and 5, the standard knot automatic precise in-place control system comprises a side precise in-place module and an end precise in-place module; the side accurate positioning module comprises a limiting lug 11 fixed on the frame 101; and a slide carriage 12 fixed to the outside of the introduction platform; the top of the sliding seat 12 is flush with the top surface of the side beam of the introduction platform 6; a guide frame 13 with a slope structure is arranged on the sliding seat 12 in a sliding manner; the bottom of the guide frame 13 is provided with a groove body 14 attached with the limiting lug; a hydraulic cylinder 15 is fixed on the sliding seat 12; the telescopic end of the hydraulic cylinder 15 is fixed with the guide frame 13; the end part accurate positioning module comprises a positioning seat 16 fixed in the middle of one side of the tower crane sleeve frame far away from the introducing platform; an electric sliding table assembly 17 is fixed on the positioning seat 16; a right-angle limiting plate 18 is fixed on a sliding block of the electric sliding table assembly 17; the right-angle limiting plate 18 protrudes out of the end part of the electric sliding table assembly 17;
as shown in fig. 6 and 7, the jacking cross beam in-place detection system comprises an in-place inner detection module and/or an in-place outer detection module, wherein the in-place inner detection module comprises a side hole 19 drilled at the end part of the jacking cross beam in the radial direction and a wire casing 20 axially arranged on the outer surface of the center of the jacking cross beam and communicated with the side hole; an infrared or mechanical first proximity switch 21 embedded and fixed inside the side hole; the first proximity switch 21 leads are led out from the wire groove 20; the in-place outer detection module is fixed on an infrared or mechanical second proximity switch 22 on the end part of the jacking cross beam, and the second proximity switch 22 is movably jointed with the step 9 on the standard knot;
as shown in fig. 8 and 9, the standard joint pin shaft dismounting system comprises a sliding rail or a lifting sliding table 23 fixed on the side of four vertical beams of the tower crane frame; a rotary mechanical arm 24 is fixed on the slide rail or the lifting sliding table 23, and a first electric lifting sliding table 25 fixed at the front end of the rotary mechanical arm 24 or a second electric lifting sliding table group 26 integrally fixed up and down are fixed at the front end of the rotary mechanical arm 24; a hydraulic pin striking device 27 is fixed on the first electric lifting sliding table 25, and a bolt holder 28 and a large torque wrench 29 are respectively fixed on two sliding blocks of the second electric lifting sliding table group 26; the bolt clamp 28 and the high torque wrench 29 are driven hydraulically or electrically.
The placing device and the dismounting receiving box (not shown) for arranging and placing the pins or the bolts B and the nuts C are fixed on the four vertical beams of the tower crane jacket frame, the placing device can adopt a U-shaped groove 30 suspension structure shown in FIG. 10, the placing device is automatically pushed to the opening side through a spring 31, a protruding limiting part 32 is arranged on the opening side, when the pins or the bolts and the nuts are required to be separated from the suspension structure, the pins and the bolts are pushed upwards, the pins and the nuts are separated from the protruding limiting part 32, and therefore the cylinders and the bolts of the pins can be directly separated from the U-shaped groove 30 and taken out; the existing fool type placing tray can be adopted, and the orifice plate placing tray or the tubular blanking type placing tray is directly adopted, so that the hydraulic pin driver can be conveniently and accurately aligned to obtain the pin column, and the bolt clamp and the large torque wrench can obtain the bolt and the nut.
The system also comprises one or more cameras arranged on the tower crane sleeve frame, wherein the cameras are in communication connection with the ground control console and a safety gap is arranged between the cameras and the tower body 1; the camera gathers the angle and includes the laminating position of upper and lower standard festival A, and whether accurate counterpoint is saved to the standard about can monitoring through the camera in the laminating position between jacking roof beam 8 and the step 9, and whether the round pin axle is accomplished the equipment or is dismantled, still can monitor the jacking roof beam simultaneously and mark time and install in place.
As shown in fig. 11, the self-powered reciprocating drive mechanism includes a walking support beam 61 fixed to the introducing platform 6; a walking track 62 is arranged on the walking support beam 61; a walking driving wheel 33 is arranged on one side of the frame 101, which is far away from the standard joint inlet; a speed reducer power assembly 34 is fixed on the frame 101; a driving disc is fixed on an output shaft of the speed reducer power assembly 34; the driving disc is mounted with a chain disc on the traveling driving wheel 33 through a chain.
As shown in fig. 12, the self-powered reciprocating drive mechanism includes two sets of traction lugs 105 fixed to both sides of the frame 101; and the axle 36 fixed on the leading-in platform and the end side of the tower crane sleeve frame through the bearing 35; a transmission disc 37 is arranged in the middle of the axle 36; the transmission disc 37 is mounted with the speed reducer power assembly 34 through a transmission chain; a winding disc 38 is fixed on the axle 36 opposite to the traction lug; a traction rope 39 is wound on the winding disc 38; the other end of the pull cord 39 is secured to the pull ear 105.
An automatic jacking method of a tower crane comprises the following specific steps:
a, arranging standard knots to be hoisted into a row, then rotating a tower arm assembly to one side of an introduction platform through a rotating assembly, then lowering a lifting hook to hoist the standard knots, lifting the standard knots to the introduction platform, then lifting another standard knot upwards again, and advancing to a balance point of a tower arm;
B. the standard knot is automatically and accurately placed in place, the hoisted standard knot is sent to the introduction trolley and is pulled and placed downwards through the lifting hook, when the standard knot is placed downwards, the lapping edge of the standard knot is pressed on a main beam of the introduction trolley due to the traction of the lifting hook and the guiding of the lateral part accurate placement module, the outer side of the standard knot is limited by the limiting lug, before the standard knot is pressed downwards, the hydraulic cylinder drives the guide frame to slide on the sliding seat, the bottom of the guide frame is attached to the limiting lug, when the standard knot is placed downwards, the guide frame is used for guiding, and when the standard knot is sent to the introduction trolley, the two sides of the standard knot accurately enter between the limiting lugs;
C. detecting the position of the jacking cross beam, and enabling two ends of the jacking cross beam to fall onto the steps when the controller controls the hydraulic cylinder to extend out to drive the jacking cross beam; at the moment, the in-position inner detection module and/or the in-position outer detection module are/is triggered by stepping shielding or touching, the first proximity switch and/or the second proximity switch send a trigger signal to the controller, and the controller determines that the jacking cross beam is in position after receiving the signal; the controller can send out a jacking requirement, and a jacking hydraulic cylinder jacks the tower crane sleeve frame to a set height;
D. the accurate counterpoint of standard festival, because the tower body central line is fixed, and tower machine stock stall installation position is fixed, the interval of tower machine stock and tower body is fixed, the standard festival and the tower machine stock interval of installation are fixed, and when the accurate counterpoint of standard festival, it is spacing to carry out the tip to the standard festival through the accurate module of taking one's place of tip earlier, and spacing setting is specifically as follows: the electric sliding table assembly drives the right-angle limiting plate to act, the right-angle limiting plate moves towards one side of the tower body, the right-angle limiting plate is attached to the outer side of the standard knot at the top of the tower body, the top of the right-angle limiting plate protrudes out of the standard knot at the top of the tower body, the electric sliding table assembly stops and locks the right-angle limiting plate, then the frame moves towards the inside of the tower jacket frame through the automatic power reciprocating driving mechanism, the standard knot is driven to be sent into the tower jacket frame from the introduction platform and the introduction port of the standard knot, when the standard knot on the frame is attached to the right-angle limiting plate, the controller sends out a stop signal to the automatic power reciprocating driving mechanism, and because the two sides of the standard knot are limited by the limiting lugs, the front end of the standard knot is limited by the right-angle limiting plate, so that the standard knot on the frame is accurately aligned with the standard knot at the top of the tower body;
E. the standard knot is in place, when the controller controls the hydraulic cylinder to retract, the tower crane sleeve frame descends, the standard knot on the frame is pressed with the standard knot on the top of the tower body, the standard knot is separated from the frame, and the frame is sent to the standard knot waiting for receiving by the introduction platform through the automatic power reciprocating driving mechanism;
f, installing a standard joint pin shaft, and assembling the pin shaft on the alignment hole of the adjacent standard joint through a dismounting system after the standard joint is in place; when the pin shaft of the tower crane is a pin column, the rotating mechanical arm rotates to the placing device, the hydraulic pin beating device is driven by the first electric lifting sliding table to move towards the placing device, the hydraulic pin beating device clamps the pin column and turns to the aligning hole, the pin column is driven by the first electric lifting sliding table to be embedded into the aligning hole, and the pin beating task is completed by the hydraulic pin beating device; after the installation is finished, the rotary mechanical arm is rotated to the outside of the tower crane sleeve frame, so that the interference of the movement of the tower crane sleeve frame is avoided; when the pin shaft of the tower crane is a bolt nut, the rotating mechanical arm rotates to the placing device, and the second electric lifting sliding table group is adjusted to act, so that the bolt holder clamps the bolt, and the large-torque wrench clamps the nut; as shown in fig. 9, the bolt and the nut obtained from the placing device are in an assembly structure, and then the bolt and the nut are controlled to be separated, that is, after the bolt and the nut are clamped and separated from the placing device, the bolt and the nut are unscrewed and separated, the nut is clamped and/or magnetically attracted by a large torque wrench, and the bolt is received and limited by a bolt clamp; and the steel wire is turned and sent to the top surface and the bottom surface of the adjacent standard knot, and the butt joint and alignment holes of bolts and nuts are realized; then, driving the bolt holder to feed the bolt into the positioning hole through one sliding table and tightly push the bolt, driving the other sliding table to drive a nut in the large-torque wrench to be in butt joint with the bolt, and moving the large-torque wrench; the bolt and the nut are fastened, after the fastening is finished, the second electric lifting sliding table group is reset, and the rotary mechanical arm is reset; the standard joint dismounting process is opposite to the standard joint pin shaft mounting process, and the dismounted pin shaft is sent to the dismounting receiving box.
The above-described embodiments are merely preferred embodiments of the present invention, and all equivalent changes or modifications of the structures, features and principles described in the claims of the present invention are included in the scope of the present invention.
Claims (6)
1. The utility model provides an automatic jacking system of tower machine which characterized in that: comprises that
A tower body which is formed by assembling standard sections in sequence,
a rotating component which is arranged on the top of the tower body,
the tower arm assembly is fixed on the rotary assembly;
the tower crane sleeve frame is sleeved outside the top of the tower body, and the top of the tower crane sleeve frame is fixed with the bottom of the rotary component; the lower part of the tower crane sleeve frame is provided with a jacking hydraulic cylinder, and the bottom of the jacking hydraulic cylinder is provided with a jacking beam; two ends of the jacking beam are movably clamped with the steps on the second high standard section of the tower body; a standard joint lead-in inlet is formed in one side of the tower crane sleeve frame, and a lead-in platform is arranged at the standard joint lead-in inlet on the outer side of the tower crane sleeve frame;
the method is characterized in that: the two side beams of the introduction platform and the middle cross beam of the tower crane sleeve frame are the same beam body; also comprises
A controller for controlling the entire system; the controller is in communication connection with the ground console through the wireless communication module;
the lead-in trolley comprises a frame, and one side of the frame, which is close to the standard joint lead-in opening, is hollow; guide wheels are mounted on two sides of the frame; the guide wheel is arranged on the beam body in a rolling manner; the frame is provided with an automatic reciprocating driving mechanism;
the automatic accurate locating control system for the standard knot comprises a side accurate locating module and an end accurate locating module; the side accurate positioning module comprises a limiting lug fixed on the frame; and a sliding seat fixed on the outer side of the introducing platform; the top of the sliding seat is flush with the top surface of the side beam of the introduction platform; a guide frame with a slope surface structure is arranged on the sliding seat in a sliding manner; a groove body attached to the limiting lug is arranged at the bottom of the guide frame; a hydraulic cylinder is fixed on the sliding seat; the telescopic end of the hydraulic cylinder is fixed with the guide frame; the end part accurate positioning module comprises a positioning seat fixed in the middle of one side of the tower crane sleeve frame far away from the introducing platform; an electric sliding table assembly is fixed on the positioning seat; a right-angle limiting plate is fixed on a sliding block of the electric sliding table assembly; the right-angle limiting plate protrudes out of the end part of the electric sliding table assembly;
the jacking cross beam in-place detection system comprises an in-place inner detection module and/or an in-place outer detection module, wherein the in-place inner detection module comprises a side hole drilled at the end part of the jacking cross beam in the radial direction and a wire casing axially arranged on the outer surface of the center of the jacking cross beam and communicated with the side hole; the infrared or mechanical first proximity switch is embedded and fixed in the side hole; the first proximity switch lead is led out from the wire slot; the in-place outer detection module is fixed on an infrared or mechanical second proximity switch at the end part of the jacking cross beam, and the second proximity switch is movably jointed with the step on the standard section;
the standard joint pin shaft dismounting system comprises sliding rails or lifting sliding tables fixed on the side parts of four vertical beams of the tower crane sleeve frame; a rotary mechanical arm is fixed on the sliding rail or the lifting sliding table, and a first electric lifting sliding table fixed at the front end of the rotary mechanical arm or a second electric lifting sliding table group fixed integrally up and down are fixed; a hydraulic pin striking device is fixed on the first electric lifting sliding table, and a bolt holder and a large-torque wrench are respectively fixed on the two sliding blocks of the second electric lifting sliding table group; the bolt clamp and the large torque wrench are driven by hydraulic or electric power.
2. The automatic jacking system of the tower crane according to claim 1, characterized in that: and the four vertical beams of the tower crane frame are fixedly provided with a placing device and a dismounting receiving box for arranging and placing pins or bolts and nuts.
3. The automatic jacking system of the tower crane according to claim 1, characterized in that: the system also comprises one or more cameras arranged on the tower crane sleeve frame, wherein the cameras are in communication connection with the ground control console, and a safety gap is formed between the cameras and the tower body; the camera gathers the angle and includes the laminating position of upper and lower standard festival, and whether accurate counterpoint is saved to the jacking roof beam and mark time between, and whether the equipment is accomplished or is dismantled to the round pin axle about can monitoring through the camera, still can monitor the jacking roof beam simultaneously and mark time and whether install in place.
4. The automatic jacking system of the tower crane according to claim 1, characterized in that: the automatic power reciprocating driving mechanism comprises a walking supporting beam fixed on the introducing platform; a walking track is arranged on the walking supporting beam; a walking driving wheel is arranged on one side of the frame, which is far away from the standard joint inlet; a speed reducer power assembly is fixed on the frame; a driving disc is fixed on an output shaft of the speed reducer power assembly; the driving disc is installed with the chain disc on the walking driving wheel through a chain.
5. The automatic jacking system of the tower crane according to claim 1, characterized in that: the automatic power reciprocating driving mechanism comprises two groups of traction lugs fixed on two sides of the frame; and the axle fixed on the leading-in platform and the end side of the tower crane sleeve frame is dead against the axle through the bearing; the middle part of the axle is provided with a transmission disc; the transmission disc is mounted with a speed reducer power assembly through a transmission chain; a winding disc is fixed on the axle opposite to the traction lug; the winding disc is wound with a traction rope; the other end of the hauling cable is fixed to the hauling ear.
6. An automatic jacking method of a tower crane comprises the following specific steps:
a, arranging standard knots to be hoisted into a row, then rotating a tower arm assembly to one side of an introduction platform through a rotating assembly, then lowering a lifting hook to hoist the standard knots, lifting the standard knots to the introduction platform, then lifting another standard knot upwards again, and advancing to a balance point of a tower arm; the method is characterized in that:
B. the standard knot is automatically and accurately placed in place, the hoisted standard knot is sent to the introduction trolley and is pulled and placed downwards through the lifting hook, when the standard knot is placed downwards, the lapping edge of the standard knot is pressed on a main beam of the introduction trolley due to the traction of the lifting hook and the guiding of the lateral part accurate placement module, the outer side of the standard knot is limited by the limiting lug, before the standard knot is pressed downwards, the hydraulic cylinder drives the guide frame to slide on the sliding seat, the bottom of the guide frame is attached to the limiting lug, when the standard knot is placed downwards, the guide frame is used for guiding, and when the standard knot is sent to the introduction trolley, the two sides of the standard knot accurately enter between the limiting lugs;
C. detecting the position of the jacking cross beam, and enabling two ends of the jacking cross beam to fall onto the steps when the controller controls the hydraulic cylinder to extend out to drive the jacking cross beam; at the moment, the in-position inner detection module and/or the in-position outer detection module are/is triggered by stepping shielding or touching, the first proximity switch and/or the second proximity switch send a trigger signal to the controller, and the controller determines that the jacking cross beam is in position after receiving the signal; the controller can send out a jacking requirement, and the jacking hydraulic cylinder jacks the tower crane sleeve frame to a set height;
D. the accurate counterpoint of standard festival, because the tower body central line is fixed, and tower machine stock stall installation position is fixed, the interval of tower machine stock and tower body is fixed, the standard festival and the tower machine stock interval of installation are fixed, and when the accurate counterpoint of standard festival, it is spacing to carry out the tip to the standard festival through the accurate module of taking one's place of tip earlier, and spacing setting is specifically as follows: the electric sliding table assembly drives the right-angle limiting plate to act, the right-angle limiting plate moves towards one side of the tower body, the right-angle limiting plate is attached to the outer side of the standard knot at the top of the tower body, the top of the right-angle limiting plate protrudes out of the standard knot at the top of the tower body, the electric sliding table assembly stops and locks the right-angle limiting plate, then the frame moves towards the inside of the tower jacket frame through the automatic power reciprocating driving mechanism, the standard knot is driven to be sent into the tower jacket frame from the introduction platform and the introduction port of the standard knot, when the standard knot on the frame is attached to the right-angle limiting plate, the controller sends out a stop signal to the automatic power reciprocating driving mechanism, and because the two sides of the standard knot are limited by the limiting lugs, the front end of the standard knot is limited by the right-angle limiting plate, so that the standard knot on the frame is accurately aligned with the standard knot at the top of the tower body;
E. when the controller controls the hydraulic cylinder to retract, the tower crane sleeve frame descends, the standard knot on the frame is pressed with the standard knot on the top of the tower body, the standard knot is separated from the frame, and the frame is sent to the standard knot waiting for receiving by the introduction platform by the automatic power reciprocating driving mechanism;
f, installing a standard joint pin shaft, and assembling the pin shaft on the alignment hole of the adjacent standard joint through a dismounting system after the standard joint is in place; when the pin shaft of the tower crane is a pin column, the rotating mechanical arm rotates to the placing device, the hydraulic pin beating device is driven by the first electric lifting sliding table to move towards the placing device, the hydraulic pin beating device clamps the pin column and turns to the aligning hole, the pin column is driven by the first electric lifting sliding table to be embedded into the aligning hole, and the pin beating task is completed by the hydraulic pin beating device; after the installation is finished, the rotary mechanical arm is rotated to the outside of the tower crane sleeve frame, so that the interference of the movement of the tower crane sleeve frame is avoided; when the pin shaft of the tower crane is a bolt nut, the rotating mechanical arm rotates to the placing device, and the second electric lifting sliding table group is adjusted to act, so that the bolt holder clamps the bolt, and the large-torque wrench clamps the nut; then, controlling the bolt and the nut to be separated, and rotationally conveying the bolt and the nut to the top surface and the bottom surface of the adjacent standard knot, and realizing butt joint and alignment holes of the bolt and the nut; then, driving the bolt holder to feed the bolt into the positioning hole through one sliding table and tightly push the bolt, driving the other sliding table to drive a nut in the large-torque wrench to be in butt joint with the bolt, and moving the large-torque wrench; the bolt and the nut are fastened, after the fastening is finished, the second electric lifting sliding table group is reset, and the rotary mechanical arm is reset; the standard joint dismounting process is opposite to the standard joint pin shaft mounting process, and the dismounted pin shaft is sent to the dismounting receiving box.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210783771.7A CN115123937A (en) | 2022-07-05 | 2022-07-05 | Automatic jacking system of tower crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210783771.7A CN115123937A (en) | 2022-07-05 | 2022-07-05 | Automatic jacking system of tower crane |
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| CN115123937A true CN115123937A (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210783771.7A Withdrawn CN115123937A (en) | 2022-07-05 | 2022-07-05 | Automatic jacking system of tower crane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116986496A (en) * | 2023-08-02 | 2023-11-03 | 四川锦城建筑机械有限责任公司 | Super large tower machine standard festival variable frequency control's introduction system |
| CN117161635A (en) * | 2023-11-02 | 2023-12-05 | 南通庞源机械工程有限公司 | Welding device for production of tower crane standard knot |
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Application publication date: 20220930 |