CN110668324A - Tower crane movable passageway system - Google Patents
Tower crane movable passageway system Download PDFInfo
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- CN110668324A CN110668324A CN201910926345.2A CN201910926345A CN110668324A CN 110668324 A CN110668324 A CN 110668324A CN 201910926345 A CN201910926345 A CN 201910926345A CN 110668324 A CN110668324 A CN 110668324A
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- tower crane
- movable
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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
- 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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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Transportation (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a tower crane movable passageway system, which comprises a lifting frame, a lifting device, a telescopic platform and a telescopic device, wherein the lifting frame is provided with a lifting frame; enclose in the tower crane standard festival outside that the lift frame does not deviate from, be equipped with on the lift frame can only follow the leading wheel that the tower crane standard festival goes up and down and be used for locking the ejector pin of lift frame height, elevating gear's power unit installs on tower crane balance arm and goes up and down through wire rope drive lift frame, flexible platform includes fixed platform and movable platform, fixed platform can swing and be connected to one side of building structure with the lift frame face of locking, what the movable platform did not deviate from establishes on fixed platform and can follow fixed platform slip ground and extend building structure outward, the telescoping device is used for driving movable platform and stretches out and draws back along fixed platform, the one end that movable platform is close to building structure is equipped with height-adjustable's screw rod, support when the screw rod uses on. The tower crane can ascend along with the jacking of the tower crane and the installation of a wall-attached rod piece, can be fixed at any position of a standard section of the tower crane, and can adjust the erection angle and the erection length.
Description
Technical Field
The invention belongs to the field of building construction equipment, and particularly relates to a movable passageway system of a tower crane.
Background
The height of the tower crane rises for many times along with the height of a building, so a tower crane driver needs to enter an operation room for many times in the use process of the tower crane.
At present, tower crane passageway all adopts shaped steel or building steel pipe to make according to actual distance, has following problem: 1) when the tower crane wall-attached rod piece is installed, a tower crane passageway needs to be firstly hoisted, and after the wall-attached rod piece is installed, the tower crane passageway is hoisted to the upper surface of the wall-attached rod piece again, or the tower crane passageway is fixed, and after the wall-attached rod piece is installed, the tower crane passageway is re-erected, so that the potential safety hazard is large, and the tower crane rises for multiple times, needs to be dismantled and erected for multiple times, and the repeated labor is caused; 2) the distance between the building and the tower crane is different due to different construction sites, the angles and the lengths of the passageways are different, the tower crane passageways with different specifications need to be manufactured according to the actual conditions of each project, and the tower crane passageways cannot be reused, so that resources are wasted.
Disclosure of Invention
The invention aims to provide a tower crane movable passageway system, wherein a movable passageway can ascend along with the jacking of a tower crane and the installation of a wall-attached rod piece, can be fixed at any position of a standard section of the tower crane, and can be adjusted in the erection angle and length.
The technical scheme adopted by the invention is as follows:
a tower crane movable passageway system comprises a lifting frame, a lifting device, a telescopic platform and a telescopic device; enclose in the tower crane standard festival outside that the lift frame does not deviate from, be equipped with on the lift frame can only follow the leading wheel that the tower crane standard festival goes up and down and be used for locking the ejector pin of lift frame height, elevating gear's power unit installs on tower crane balance arm and goes up and down through wire rope drive lift frame, flexible platform includes fixed platform and movable platform, fixed platform can swing and be connected to one side of building structure with the lift frame face of locking, what the movable platform did not deviate from establishes on fixed platform and can follow fixed platform slip ground and extend building structure outward, the telescoping device is used for driving movable platform and stretches out and draws back along fixed platform, the one end that movable platform is close to building structure is equipped with height-adjustable's screw rod, support when the screw rod uses on.
Further, fixed platform includes fixed flat board and two fixed frames, fixed flat board horizontal put between two fixed frames and be connected as a whole with two fixed frames, movable platform includes activity flat board and two movable frame, the activity flat board horizontal put between two movable frame and be connected as a whole with two movable frame, two movable frame overlap with two fixed frames respectively together, wear out fixed frame of activity flat board noninterference, the distribution has the gyro wheel all around in the fixed frame, the movable frame distributes all around has the spout with gyro wheel complex, the fixed frame head end is exposed to the movable frame head end, fixed frame tail end seals, movable frame tail end and fixed frame head end all are equipped with the baffle that is used for preventing the movable frame from deviating from the fixed frame head end.
Furthermore, a row of connecting plates are arranged on the fixing frame, and the fixing flat plate is lapped on the connecting plates and is fixedly connected with the connecting plates; the movable frame is provided with a row of connecting plates, and the movable flat plate is placed on the connecting plates and is fixedly connected with the connecting plates.
Furthermore, the tail ends of the two fixing frames are both installed on the back plate and are both sealed through the back plate, and the fixing frames are connected with one side, facing the building structure, of the lifting frame through the back plate.
Further, the telescoping device is including establishing the pulley along the haulage rope on electronic wiring ware, two mutual reverse windings on electronic wiring ware and a plurality of on fixed platform, and the one end of a haulage rope penetrates back and activity frame trailing end connection from fixed frame tail end, the other end penetrates back and another activity frame trailing end connection from another fixed frame head end, and the route of two haulage ropes is opposite.
Further, the pulleys include a double pulley and a single pulley, and the two traction ropes are fitted to the common double pulley in the path of the overlapping portion and to the respective single pulleys in the path of the non-overlapping portion.
Further, flexible platform both sides are equipped with the railing, and the railing includes fixed railing and the folding railing that can extend, and fixed railing establishes on fixed platform, and folding railing one end is fixed on fixed platform, the other end is fixed on the movable platform head.
Furthermore, the lifting frame and the fixed platform are connected through two pairs of pin shaft holes and pin shafts matched with the pin shaft holes, the pin shafts and the pin shaft holes are in one-way gaps, the directions of the gaps between the pin shafts and the two pin shaft holes of the same pair are different, in one pair of pin shaft holes, two arc-shaped holes are formed in the positions near one pin shaft hole, two connecting holes are formed in the positions near the other pin shaft hole, two bolts penetrate through the two connecting holes and the two arc-shaped holes respectively, the bolts move along the arc-shaped holes when the fixed platform swings around the lifting frame, and the fixed platform is locked through bolt locking after the fixed platform swings in place.
Furthermore, the power mechanism is a double-drum winch, fixed pulleys for hoisting are arranged on two sides of the lifting frame, and two steel wire ropes on the double-drum winch penetrate through the fixed pulleys on two sides of the lifting frame and then are fixed on a pulley lifting hook on the lower portion of the tower crane rotating mechanism.
Further, the major structure of lifting frame divide into two parts from the middle, and two parts surround the tower crane standard knot and pass through bolt butt joint fixed from both sides respectively.
The invention has the beneficial effects that:
in this system, the activity passageway can rise along with the tower crane jacking and the installation of attaching the wall member, do not influence the installation of attaching the wall member, avoided attaching the wall many times and install the cost increase of demolising the platform and bringing, the activity passageway can be fixed at tower crane standard festival optional position, set up the restriction that the position does not receive tower crane standard festival horizontal pole position, needn't adjust the support body of having set up, the adjustable angle and the length of setting up of activity passageway, satisfy the requirement of tower crane apart from different distances of building structure and angle, the safety influence that the change support body pole setting position brought has many times been avoided.
Drawings
FIG. 1 is a schematic diagram of the operation of an embodiment of the present invention.
FIG. 2 is an installation schematic diagram of a lifting frame and a tower crane standard knot in the embodiment of the invention.
Fig. 3 is a side view of a telescoping platform in an embodiment of the invention.
Fig. 4 is a cross-sectional view a-a of fig. 3.
Fig. 5 is a cross-sectional view B-B of fig. 3.
Fig. 6 is a schematic view of the installation of the telescopic platform and the telescopic device in the embodiment of the present invention.
Fig. 7 is a schematic structural view of an electric roping apparatus in the embodiment of the present invention.
Fig. 8 is a threading diagram of two traction ropes on the electric rope winder in the embodiment of the invention.
Fig. 9 is a schematic view of a shroud at the leading end of the fixed frame in an embodiment of the invention.
Fig. 10 is a schematic view of a shutter at the end of the movable frame in the embodiment of the present invention.
In the figure: 1-a lifting frame; 101-a guide wheel; 102-a top rod; 103-anti-slip rubber; 104-pin shaft holes (with two arc holes) on the lifting frame; 105-pin shaft holes on the lifting frame; 106-fixed pulley; 107-part of the lifting frame body structure; 108-another part of the lifting frame body structure;
2-a telescopic platform; 201-fixing the railing; 202-folding a railing; 203-a chute; 204-a roller; 205-screw rod; 206-fixed frames; 207-movable frame; 208-fixing the flat plate; 209-movable plate; 210-Pin hole (with two arc holes) on fixed platform; 211-pin holes (with two connection holes) on the fixed platform; 212-a back plate; 213-a baffle at the head end of the fixed frame; 214-a baffle at the tail end of the movable frame; 215-connecting plates on a fixed frame; 216-a connecting plate on the movable frame;
3-a lifting device; 301-double drum hoist; 302-a pulley hook; 303-steel wire rope;
4-a telescopic device; 401-electric roping machine; 402-double pulley; 403-single pulley; 404-a steel wire rope; 405-a steel wire rope; 406-support of the steel cable inside the fixed frame;
5-standard tower crane section; 6-building structure; 7-jacking the platform; 8-jacking frame.
Detailed Description
The invention will be further described with reference to the drawings and preferred embodiments.
As shown in fig. 1 to 5, a tower crane movable passageway system comprises a lifting frame 1, a lifting device 3, a telescopic platform 2 and a telescopic device 4; the lifting frame 1 is enclosed outside a tower crane standard knot 5 without falling off, a guide wheel 101 (the guide wheel 101 is distributed at two sides of four corners of the tower crane standard knot 5 to avoid the position of a connecting bolt sleeve of the tower crane standard knot 5) which can only lift along the tower crane standard knot 5 and a mandril 102 for locking the height of the lifting frame 1 are arranged on the lifting frame 1 (the mandril 102 tightly supports the tower crane standard knot 5 from two sides when the lifting frame 1 is locked, the head part of the mandril 102 can be provided with an antiskid rubber 103 for preventing the metal from damaging the surface protective layer of the tower crane standard knot 5, the antiskid rubber 103 can be fixed on the mandril 102 through a countersunk screw to be convenient to replace, the tail part of the mandril 102 can be arranged into a square shaft to be convenient to be matched with a spanner), a power mechanism of the lifting device 3 is arranged on a balance arm of the tower crane 303 and drives the lifting frame 1 to lift through a steel wire rope, the telescopic platform, the movable platform that does not deviate from establishes on fixed platform and can extend building structure 6 outward along fixed platform slip, and telescoping device 4 is used for driving the movable platform along fixed platform is flexible, and the one end that the movable platform is close to building structure 6 is equipped with height-adjustable's screw rod 205, supports on building structure 6 when screw rod 205 uses.
Before jacking operation is carried out, a power mechanism is started, a steel wire rope 303 drives a lifting frame 1 to ascend to a specified height, a top rod 102 locks the height of the lifting frame 1, a telescopic device 4 is started, a movable platform is driven to extend out to a building structure 6 along a fixed platform, the angle between the fixed platform and the lifting frame 1 is adjusted, the movable platform is positioned above the building structure 6, a screw rod 205 is adjusted, the screw rod 205 is supported on the building structure 6 so as to ensure that the movable platform is horizontal, when a wall-attached rod piece needs to be installed, the telescopic device 4 is started, the movable platform is driven to retract along the fixed platform, the locking of the top rod 102 is released, the power mechanism is started, the steel wire rope 303 drives the lifting frame 1 to ascend, then the top rod 102 locks the lifting frame 1, the angle between the fixed platform and the lifting frame 1 is adjusted, the wall-attached rod piece, the steel wire rope 303 drives the lifting frame 1 to ascend to a designated height, the tower crane is repeatedly attached to a wall and jacked up according to the height change of a floor, the movable platform is repeatedly retracted, extended and lifted, when the tower crane is dismounted, the tower crane standard knot 5 is firstly dismounted and then the wall is dismounted, the operation is repeated, and the movable platform is repeatedly lowered after being retracted until the movable passageway is lowered to the ground, and the movable passageway is dismounted and stored according to components.
In the system, the movable passageway can ascend along with the jacking of the tower crane and the installation of the wall-attached rod piece, the installation of the wall-attached rod piece is not influenced, the cost increase caused by the fact that the platform is installed and dismantled for multiple times through attaching the wall is avoided, the movable passageway can be fixed at any position of the tower crane standard section 5, the position is not limited by the position of the cross rod of the tower crane standard section 5, the erected support body does not need to be adjusted, the angle and the length of the movable passageway can be adjusted, the requirements of different distances and angles of the tower crane from a building structure are met, and the safety influence caused by the fact that the position of the upright rod of the support body.
As shown in fig. 3 to 6, in this embodiment, the fixed platform includes a fixed flat plate 208 and two fixed frames 206, the fixed flat plate 208 is horizontally disposed between the two fixed frames 206 and is connected with the two fixed frames 206 as a whole, the movable platform includes a movable flat plate 209 and two movable frames 207, the movable flat plate 209 is horizontally disposed between the two movable frames 207 and is connected with the two movable frames 207 as a whole, the two movable frames 207 are respectively sleeved with the two fixed frames 206, the movable flat plate 209 does not interfere with the fixed frames 206, rollers 204 are distributed around the fixed frames 206, sliding grooves 203 matched with the rollers 204 are distributed around the movable frames 207 (the rollers 204 can extend into the sliding grooves 203 or can be provided with grooves, the sliding grooves 203 are clamped into the grooves), the head end of the movable frames 207 is exposed out of the head end of the fixed frame 206, the tail end of the fixed frame 206 is closed, and the tail end of the movable frames 207 and the head end of the fixed frame 206 are provided with baffles (214. Sliding connection does not deviate from again between fixed platform and the movable platform be provided with a lot of, for example two slip tables of dovetail complex, two sections slides that cup joint each other etc. preferably above-mentioned structure, can guarantee fixed platform and movable platform's width, can guarantee fixed platform and movable platform's intensity again, reduced the dead weight simultaneously.
As shown in fig. 4, in the present embodiment, a row of connecting plates 215 is disposed on the fixing frame 206, and the fixing plate 208 is placed on the connecting plates 215 and is fixedly connected to the connecting plates 215; a row of connecting plates 216 are arranged on the movable frame 207, and the movable flat plate 209 is placed on the connecting plates 216 and is fixedly connected with the connecting plates 216. The connection is convenient, and long welding seams are avoided.
As shown in fig. 3 and 6, in the present embodiment, the two fixing frames 206 are both mounted at the rear end on the back plate 212 and are both closed by the back plate 212, and the fixing frames 206 are connected with the side of the lifting frame 1 facing the building structure through the back plate 212. The assembly of the mounting platform based on the back plate 212 not only improves the reliability of the connection, but also increases the integrity.
As shown in fig. 5 to 8, in the present embodiment, the retractable device 4 includes an electric rope winder 401 disposed on the fixed platform, two pulling ropes (404 and 405) wound around the electric rope winder 401 in opposite directions, and a plurality of pulleys disposed along the pulling ropes (404 and 405), wherein one end of one pulling rope (404 or 405) penetrates from the rear end of the fixed frame 206 and is connected to the rear end of the movable frame 206, the other end penetrates from the front end of the other fixed frame 206 and is connected to the rear end of the other movable frame 207, and the paths of the two pulling ropes (404 and 405) are opposite. The telescopic device is provided with a plurality of devices, such as a hydraulic cylinder, an electric push rod, a motor matching transmission mechanism and the like, and the arrangement is preferably adopted, so that the arrangement is convenient by adopting the traction ropes (404 and 405) aiming at the two movable frames 207, and the self weight is reduced.
As shown in fig. 3 to 6, in the present embodiment, the pulleys include a double pulley 402 and a single pulley 403, two traction ropes (404 and 405) are coupled to the common double pulley 402 in the path of the overlapping portion, and are coupled to the respective single pulley 403 in the path of the non-overlapping portion, and the double pulleys 402 provide a certain synchronization effect.
As shown in fig. 3, in this embodiment, the railings are disposed on two sides of the telescopic platform, each railing includes a fixed railing 201 and a foldable railing 202 capable of extending (the fixed railing 201 and the foldable railing 202 adopt a general installation method, and the root portion of each railing is inserted into the corresponding insertion tube and locked by a bolt on the insertion tube), the fixed railing 201 is disposed on the fixed platform, one end of the foldable railing 202 is fixed on the fixed platform, and the other end of the foldable railing is fixed on the head end of the movable platform, so as to meet the requirements of safety protection under different conditions.
As shown in fig. 2, 3 and 5, in this embodiment, the lifting frame 1 is connected to the fixed platform through two pairs of pin shaft holes (104 and 210 are a pair, 105 and 211 are a pair) and a pin shaft matched with each pair of pin shaft holes, the pin shaft and the pin shaft holes (104, 210, 105 and 211) have a unidirectional gap, and the gap direction of the pin shaft and the two pin shaft holes of the same pair is different, in one pair of pin shaft holes (104 and 210), two arc-shaped holes are provided near one pin shaft hole 104, two connecting holes are provided near the other pin shaft hole 210, two bolts pass through the two connecting holes and the two arc-shaped holes respectively, the bolts move along the arc-shaped holes when the fixed platform swings around the lifting frame 1, and the bolts are locked to lock the fixed platform after swinging to a proper position. The fixed platform can swing and lock and is provided with a lot of with being connected of lift frame, for example, one position is articulated, another position passes through arc hole and connecting hole cooperation bolted connection, and one position is articulated, another position is connected through round pin axle and different round pin shaft holes etc. preferably above-mentioned setting, both swing and locking are stable, again loading and unloading and convenient operation.
As shown in fig. 1, in this embodiment, the power mechanism is a double-drum winch 301, fixed pulleys 106 for hoisting are disposed on two sides of the lifting frame 1 (the fixed pulleys 106 are close to the center of gravity of the whole system, so as to ensure balanced stress on the two sides), and two steel wire ropes 303 on the double-drum winch 301 respectively pass through the fixed pulleys 106 on the two sides of the lifting frame 1 and then are fixed on a pulley hook 302 at the lower part of the tower crane rotation mechanism. There are many kinds of power mechanism, for example, electric block, single drum hoist, etc. preferably, the above-mentioned setting is both guaranteed to connect reliably, and is the lift steady.
As shown in fig. 2, in this embodiment, the main structure of the lifting frame 1 is divided into two parts (107 and 108) from the middle, and the two parts (107 and 108) surround the tower crane standard knot 5 from both sides and are fixed by bolt butt joint, which is not only convenient for installation, but also can not be separated from the tower crane standard knot 5.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. A tower crane movable passageway system is characterized in that: comprises a lifting frame, a lifting device, a telescopic platform and a telescopic device; enclose in the tower crane standard festival outside that the lift frame does not deviate from, be equipped with on the lift frame can only follow the leading wheel that the tower crane standard festival goes up and down and be used for locking the ejector pin of lift frame height, elevating gear's power unit installs on tower crane balance arm and goes up and down through wire rope drive lift frame, flexible platform includes fixed platform and movable platform, fixed platform can swing and be connected to one side of building structure with the lift frame face of locking, what the movable platform did not deviate from establishes on fixed platform and can follow fixed platform slip ground and extend building structure outward, the telescoping device is used for driving movable platform and stretches out and draws back along fixed platform, the one end that movable platform is close to building structure is equipped with height-adjustable's screw rod, support when the screw rod uses on.
2. The tower crane movable passageway system of claim 1, wherein: fixed platform is including fixed flat board and two fixed frames, fixed flat board is horizontal between two fixed frames and is connected as a whole with two fixed frames, movable platform includes activity flat board and two movable frame, the activity flat board is horizontal between two movable frame and be connected as a whole with two movable frame, two movable frame overlap with two fixed frames respectively together, fixed frame is worn out of activity flat board noninterference, it has the gyro wheel to distribute all around in the fixed frame, the movable frame distributes all around and has the spout with gyro wheel complex, the fixed frame head end is exposed to the movable frame head end, fixed frame tail end seals, movable frame tail end and fixed frame head end all are equipped with the baffle that is used for preventing the movable frame from deviating from the fixed frame head end.
3. The tower crane movable passageway system of claim 2, wherein: the fixing frame is provided with a row of connecting plates, and the fixing flat plate is lapped on the connecting plates and is fixedly connected with the connecting plates; the movable frame is provided with a row of connecting plates, and the movable flat plate is placed on the connecting plates and is fixedly connected with the connecting plates.
4. The tower crane movable passageway system of claim 2, wherein: the tail ends of the two fixing frames are both installed on the back plate and are both sealed through the back plate, and the fixing frames are connected with one side, facing the building structure, of the lifting frame through the back plate.
5. The tower crane movable passageway system of claim 2, wherein: the telescoping device establishes the pulley along the haulage rope including establishing electronic ropewinder on fixed platform, two mutual reverse windings haulage rope and a plurality of on electronic ropewinder, and the one end of a haulage rope penetrates back and activity frame trailing end connection, the other end from another fixed frame head end and penetrates back and another activity frame trailing end connection, the route of two haulage ropes is opposite.
6. The tower crane movable passageway system of claim 5, wherein: the pulleys comprise double pulleys and single pulleys, and two traction ropes are matched on the common double pulleys on the paths of the overlapped parts and are matched on the respective single pulleys on the paths of the non-overlapped parts.
7. The tower crane movable passageway system of claim 1, wherein: the flexible platform both sides are equipped with the railing, and the railing is established on fixed platform including fixed railing and the folding railing that can extend, fixed railing, and folding railing one end is fixed on fixed platform, the other end is fixed on the movable platform head.
8. The tower crane movable passageway system of claim 1, wherein: through two pairs of round pin shaft holes between lift frame and the fixed platform and with to every round pin hub connection of round pin shaft hole complex, round pin axle all has one-way clearance and round pin axle and the same two round pin shaft hole's of pair clearance direction different with round pin axle in round pin shaft hole, in one of them a pair of round pin shaft hole, near one round pin shaft hole is equipped with two arc holes, near another round pin shaft hole is equipped with two connecting holes, two bolts pass two connecting holes and two arc holes respectively, the bolt moves along the arc hole when fixed platform swings around the lift frame, the back bolt-lock that the swing targets in place locks fixed platform.
9. The tower crane movable passageway system of claim 1, wherein: the power mechanism is a double-drum winch, fixed pulleys for hoisting are arranged on two sides of the lifting frame, and two steel wire ropes on the double-drum winch are fixed on a pulley hook on the lower portion of the tower crane rotating mechanism after respectively penetrating through the fixed pulleys on two sides of the lifting frame.
10. The tower crane movable passageway system of claim 1, wherein: the main structure of lifting frame divide into two parts from the middle, and two parts surround the tower crane standard knot and pass through the bolt butt joint fixed from both sides respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910926345.2A CN110668324B (en) | 2019-09-27 | 2019-09-27 | Tower crane movable passageway system |
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|---|---|---|---|
| CN201910926345.2A CN110668324B (en) | 2019-09-27 | 2019-09-27 | Tower crane movable passageway system |
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| CN110668324A true CN110668324A (en) | 2020-01-10 |
| CN110668324B CN110668324B (en) | 2021-10-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113044741A (en) * | 2021-04-02 | 2021-06-29 | 浙江城建建设集团有限公司 | Safety channel for connecting integrated climbing frame and tower crane and lifting method thereof |
| CN114031002A (en) * | 2021-11-03 | 2022-02-11 | 上海建工七建集团有限公司 | Tower crane wall-attached connecting piece dismounting device and method |
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| CN113044741A (en) * | 2021-04-02 | 2021-06-29 | 浙江城建建设集团有限公司 | Safety channel for connecting integrated climbing frame and tower crane and lifting method thereof |
| CN113044741B (en) * | 2021-04-02 | 2023-12-01 | 浙江城建建设集团有限公司 | Safety channel for connecting integrated climbing frame and tower crane and lifting method thereof |
| CN114031002A (en) * | 2021-11-03 | 2022-02-11 | 上海建工七建集团有限公司 | Tower crane wall-attached connecting piece dismounting device and method |
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