CN113879990A - Hydraulic telescopic tower crane attachment operating platform - Google Patents
Hydraulic telescopic tower crane attachment operating platform Download PDFInfo
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- CN113879990A CN113879990A CN202111102813.8A CN202111102813A CN113879990A CN 113879990 A CN113879990 A CN 113879990A CN 202111102813 A CN202111102813 A CN 202111102813A CN 113879990 A CN113879990 A CN 113879990A
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- tower crane
- hydraulic
- keel
- plate
- main plate
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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
- B66C23/32—Self-hoisting cranes
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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
- B66C13/18—Control systems or devices
- B66C13/20—Control systems or devices for non-electric drives
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a hydraulic telescopic tower crane attachment operating platform which comprises a longitudinal telescopic keel, a transverse support keel, a platform supporting plate, a hydraulic oil cylinder and a hydraulic telescopic control system, wherein the hydraulic oil cylinder is arranged on a standard joint of a movable arm tower crane through an installation frame, the longitudinal telescopic keel is connected with a piston rod of the hydraulic oil cylinder, the platform supporting plate comprises a main plate and wing plates positioned on two sides of the main plate, the wing plates are hinged with the main plate through hinges, the transverse support keels are fixedly arranged on the lower end surfaces of the main plate and the wing plates at intervals, the longitudinal telescopic keel is fixedly connected with the lower end surface of the main plate, and the size of each wing plate is not larger than the corresponding size of the main plate. The operation platform disclosed by the invention does not need to be disassembled and assembled, is more convenient to use, can be recycled, and reduces the material cost and the personnel cost.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a hydraulic telescopic tower crane attachment operating platform.
Background
In the field construction process of super high-rise buildings, the movable arm tower crane is a vertical lifting device which is widely applied at present, and has the characteristics of large hanging weight, variable amplitude of an arm support, capability of self-climbing along with the rise of a structure and the like. The climbing of swing arm tower crane mainly passes through the tower crane corbel, the roof beam that climbs, devices such as frame climb realize, because swing arm tower crane position is located inside the elevartor shaft, and should not have the structure floor, when on-the-spot installation tower crane corbel and the roof beam that climbs, often through the inside outside overlap joint temporary steel pipe operation platform of standard festival, because be under construction in high altitude confined space, this kind of temporary operation platform construction speed is slower and construction danger is great, simultaneously when the tower crane climbs, because the operation frame is in the frame lower part that climbs, and 3-5 centimeter intervals between frame and the standard festival of climbing, operation platform can't climb through the frame when the tower crane climbs, the operation frame need to demolish before the tower crane climbs, the period of climbing and construction danger coefficient have been increased.
Aiming at the construction problem, relevant experts research and research equipment, wherein a patent with the publication number of CN206232344U discloses an internal attached arm tower crane operating platform, and the platform can solve the problem that the existing temporary operating platform is complex to install and disassemble through setting in a standardized manner; the patent with publication number CN206886566U discloses that it is all simple a lot to make installation and dismantlement set up the steel-pipe frame relatively the tradition through with operation platform modularization, but because present operation platform research direction all through adding the transformation into regularization, modularization platform temporarily, this type of mode can accelerate operation platform's ann and tear open, but still need install before the tower crane corbel welding, tear open in advance again when climbing, have great danger.
Disclosure of Invention
The invention aims to provide a hydraulic telescopic tower crane attachment operating platform aiming at the defects, and aims to solve the defects of the movable arm tower crane operating platform.
The technical scheme adopted by the invention is as follows:
a hydraulic telescopic tower crane attachment operating platform comprises a longitudinal telescopic keel, a transverse supporting keel, a platform supporting plate, a hydraulic oil cylinder and a hydraulic telescopic control system, wherein the hydraulic oil cylinder is arranged on a standard joint of a movable arm tower crane through a mounting frame, the longitudinal telescopic keel is connected with a piston rod of the hydraulic oil cylinder, the platform supporting plate comprises a main plate and wing plates positioned on two sides of the main plate, the wing plates are hinged with the main plate through hinges, the transverse supporting keel is arranged on the lower end surface of the main plate and the lower end surface of the wing plates at regular intervals, the longitudinal telescopic keel is fixedly connected with the lower end surface of the main plate, the main plate is opposite to a space between stand columns on the standard joint of the movable arm tower crane, the size of each wing plate is not larger than the corresponding size of the main plate, when the wing plates are in an unfolded state and are positioned on the same plane with the main plate, the end part of the transverse supporting keel on each wing plate is supported on the longitudinal telescopic keel positioned on the side of the main plate, when the hydraulic oil cylinder is in a shortened state, the wing plate of the platform supporting plate is in a state of being folded onto the main plate, the hydraulic oil cylinder drives the platform supporting plate to be completely positioned in the standard section of the movable arm tower crane through the longitudinal telescopic keel, and when the hydraulic oil cylinder is in an extended state, the platform supporting plate extends out of the standard section of the movable arm tower crane.
As a further optimization, the hydraulic telescopic system comprises an oil tank, a hydraulic pump, an electromagnetic directional valve and an electric control assembly, wherein an oil pumping port of the hydraulic pump is connected to the oil tank, an oil outlet of the hydraulic pump is connected with an oil supply port of the electromagnetic directional valve through a one-way valve, an oil return port of the electromagnetic directional valve is connected into the oil tank, an overflow branch is further arranged between the hydraulic pump and the electromagnetic directional valve, an overflow valve is arranged on the overflow branch, an overflow port of the overflow valve is connected into the oil tank, and the hydraulic cylinder is connected with a control port of the electromagnetic directional valve.
As a further optimization, the electric control assembly comprises a displacement sensor, a transmitting circuit, a processing element, an instruction element, a correction servo amplifier and a servo valve, wherein the displacement sensor is arranged on a piston rod of the hydraulic oil cylinder or a longitudinal telescopic keel and used for monitoring the extending length of the longitudinal telescopic keel, the displacement sensor is electrically connected with the processing element through the transmitting circuit, the servo valve is electrically connected with the processing element through the correction servo amplifier and used for controlling the electromagnetic directional valve to carry out conveying conversion, and the instruction element is electrically connected with the processing element.
As a further optimization, the connecting rings are arranged on one side of the wing plates far away from the main plate at intervals, and when the platform supporting plate is in an unfolded state, the steel wire ropes are connected between the corresponding connecting rings between the wing plates on the two sides.
As further optimization, connecting rings are arranged on one side of the main plate, which is far away from the standard section of the movable arm tower crane, and diagonal steel wire ropes are arranged between all the connecting rings on the main plate and the standard section of the movable arm tower crane.
As a further optimization, the transverse supporting keels on the wing plate and the main plate are arranged on the wing plate and the main plate at intervals along the length direction of the longitudinal telescopic keel, and the connecting ring, far away from the main plate, on the wing plate is arranged at the end part of the transverse supporting keel.
As a further optimization, the connecting ring of the main plate is arranged at the end part of the longitudinal telescopic keel.
As a further optimization, the platform supporting plate adopts a patterned steel plate, and the patterned surface of the patterned steel plate faces upwards.
As a further optimization, the number of the longitudinal telescopic keels is three, one longitudinal telescopic keel is connected to the middle of the main board, the other two longitudinal telescopic keels are respectively and fixedly connected to the edge of the main board, and a plurality of transverse support rods are arranged between every two adjacent longitudinal telescopic keels at intervals.
As a further optimization, a guide rail for limiting the longitudinal telescopic keel is arranged in the standard knot of the movable arm tower crane, the longitudinal telescopic keel and the guide rail are both made of channel steel, the guide rail is fixedly arranged in the standard knot of the movable arm tower crane, the guide rail and the longitudinal telescopic keel are buckled, and guide wheels are arranged on the lower side, the left side and the right side of the longitudinal telescopic keel.
The invention has the following advantages:
1. the operation platform is arranged on the standard section of the cantilever tower crane in an attached mode, and is completely retracted into the standard section during climbing, so that climbing operation of the standard section is not influenced, the operation platform climbs along with the standard section, and can be pushed out of the standard section through a hydraulic oil cylinder after single climbing, the area of the platform is expanded after the single climbing, and the bracket of the tower crane is disassembled and assembled;
2. the operation platform disclosed by the invention does not need to be disassembled and assembled, is more convenient to use, can be recycled, and reduces the material cost and the personnel cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic top view of the present invention without the platform support plate;
FIG. 2 is a schematic top view of the present invention including a platen support plate;
fig. 3 is a schematic diagram of a hydraulic telescoping control system of the present invention.
Wherein: 1. the tower crane comprises a tower crane corbel, 2 parts of a transverse supporting keel, 3 parts of a longitudinal telescopic keel, 4 parts of a standard section of a movable arm tower crane, 5 parts of a platform supporting plate, 6 parts of an oil tank, 7 parts of a hydraulic pump, 8 parts of a one-way valve, 9 parts of an electromagnetic directional valve, 10 parts of a hydraulic oil cylinder, 11 parts of a displacement sensor, 12 parts of a transmission circuit, 13 parts of a processing element, 14 parts of a correction servo amplifier, 15 parts of an instruction element, 16 parts of a servo valve, 17 parts of an overflow valve, 5-1 parts of a first wing plate, 5-2 parts of a main plate, 5-3 parts of a second wing plate.
Detailed Description
The present invention is further described in the following with reference to the drawings and the specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention, and the embodiments and the technical features of the embodiments can be combined with each other without conflict.
It is to be understood that the terms first, second, and the like in the description of the embodiments of the invention are used for distinguishing between the descriptions and not necessarily for describing a sequential or chronological order. The "plurality" in the embodiment of the present invention means two or more.
The term "and/or" in the embodiment of the present invention is only an association relationship describing an associated object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, B exists alone, and A and B exist at the same time. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.
The embodiment provides a hydraulic telescopic tower crane attachment operation platform, which is installed on a standard joint of a movable arm tower crane 4 and is mainly used for installing and detaching a tower crane corbel 1, the operation platform is installed about 1.5 meters below the tower crane corbel 1 to facilitate operation on the tower crane corbel 1, specifically, as shown in fig. 1 and 2, the operation platform comprises a longitudinal telescopic keel 3, a transverse support keel 2, a platform support plate 5, a hydraulic oil cylinder 10 and a hydraulic telescopic control system, the hydraulic oil cylinder 10 is arranged on the standard joint 4 of a movable arm of the tower crane through an installation frame, welding construction is forbidden on the standard joint of the tower crane due to construction safety standard requirements, the hydraulic oil cylinder 10 and other members needing to be fixedly installed on the standard joint 4 of the movable arm tower crane are fixed on the standard joint 4 of the movable arm tower crane through screws and high-strength bolts, and the longitudinal telescopic keel 3 is connected with a piston rod of the hydraulic oil cylinder 10, the platform supporting plates are all made of patterned steel plates and are wear-resistant and anti-skid, the platform supporting plates 5 comprise a main plate 5-2, and a first wing plate 5-1 and a second wing plate 5-3 which are positioned on two sides of the main plate 5-2, the first wing plate 5-1 and the second wing plate 5-3 are hinged with the main plate 5-2 through hinges, the transverse supporting keels 2 are arranged on the lower end surfaces of the main plate 5-2 and the two wing plates at fixed intervals and are used for ensuring the supporting performance of the main plate 5-2 and the two wing plates, the longitudinal telescopic keels 3 are fixedly connected on the lower end surface of the main plate 5-2, the longitudinal telescopic keels 3 are used for supporting the main plate 5-2 and also used for driving the main plate 5-2 to move, in the embodiment, the longitudinal telescopic keels 3 are three, one longitudinal telescopic keel 3 is connected in the middle of the main plate 5-2, the other two longitudinal telescopic keels 3 are respectively and fixedly connected to the edges of the main boards 5-2, and a plurality of transverse supporting keels 2 are arranged between every two adjacent longitudinal telescopic keels 3 at intervals. The main plate 5-2 is opposite to the support columns on the standard knot 4 of the movable arm tower crane at intervals, the sizes of the first wing plate 5-1 and the second wing plate 5-3 are not larger than the corresponding sizes of the main plate 5-2, when the first wing plate 5-1 and the second wing plate 5-3 are in an unfolded state and are positioned on the same plane with the main plate 5-2, the end parts of the transverse support keels 2 on the first wing plate 5-1 and the second wing plate 5-3 are propped against the longitudinal telescopic keels 3 on the side of the main plate 5-2, namely the turning angles of the first wing plate 5-1 and the second wing plate 5-3 are 180 degrees, when the hydraulic oil cylinder 10 is in a shortened state, the platform support plate 5 is in a state of being folded onto the main plate, namely the first wing plate 5-1 and the second wing plate 5-3 are both turned onto the main plate 5-2, the hydraulic oil cylinder 10 drives the platform supporting plate 5 to be completely positioned in the standard section 4 of the movable arm tower crane through the longitudinal telescopic keel 3, when the hydraulic oil cylinder 10 is in an extension state, the platform supporting plate 5 extends out of the standard section of the movable arm tower crane, and the first wing plate 5-1 and the second wing plate 5-3 can be unfolded to enlarge the platform area.
As shown in fig. 3, the hydraulic telescopic system of this embodiment includes an oil tank 6, a hydraulic pump 7, an electromagnetic directional valve 9, and an electronic control component, wherein an oil pumping port of the hydraulic pump 7 is connected to the oil tank 6, an oil outlet of the hydraulic pump 7 is connected to an oil supply port of the electromagnetic directional valve 9 through a check valve 8, an oil return port of the electromagnetic directional valve 9 is connected to the oil tank 6, an overflow branch is further disposed between the hydraulic pump 7 and the electromagnetic directional valve 9, an overflow valve 17 is disposed on the overflow branch, an overflow port of the overflow valve 17 is connected to the oil tank 6, the hydraulic cylinder 10 is connected to a control port of the electromagnetic directional valve 9, the electronic control component includes a displacement sensor 11, a transmission circuit 12, a processing element 13, a command element 15, a correction servo amplifier 14, and a servo valve 16, the displacement sensor 11 is disposed on a piston rod of the hydraulic cylinder 10 or a longitudinal telescopic keel 3, the device is used for monitoring the extending length of the longitudinal telescopic keel 3, the displacement sensor 11 is electrically connected with the processing element 13 through the transmitting circuit 12, the servo valve 16 is electrically connected with the processing element 13 through the correction servo amplifier 14, the servo valve 16 is used for controlling the electromagnetic reversing valve 9 to carry out transmission conversion, the instruction element 15 is electrically connected with the processing element 13, the instruction element is a human-computer interaction device, such as a remote controller, a control panel and the like, and the processing element is a processing chip and used for transmitting and controlling all data in the circuit.
In this embodiment, when the platform support plate 5 is in the unfolded state, in order to ensure the support and stability of the platform support plate 5, further safety guarantee measures are performed:
first, the first wing plate 5-1 and the second wing plate 5-3 are provided with connecting rings at intervals on one sides far away from the main plate, the connecting rings are arranged at the end parts of the transverse supporting keels, steel wire ropes are connected between the corresponding connecting rings between the wing plates on the two sides, the first wing plate 5-1 and the second wing plate 5-3 are pulled through the steel wire ropes, and the situation that the first wing plate 5-1 and the second wing plate 5-3 turn downwards is further avoided.
And secondly, a connecting ring is also arranged on one side, away from the standard section 4 of the movable arm tower crane, of the main board 5-2, the connecting ring on the main board 5-2 is arranged at the end part of the longitudinal telescopic keel 3, and oblique pull steel wire ropes are arranged between all the connecting rings on the main board 5-2 and the standard section 4 of the movable arm tower crane, so that the guarantee is enhanced.
This embodiment be provided with the guide rail that is used for restricting vertical flexible fossil fragments 3 in the standard festival 4 of movable arm tower crane, vertical flexible fossil fragments 3 all adopt the channel-section steel with the guide rail, the fixed setting of guide rail is in the standard festival 4 of movable arm tower crane, looks lock joint between guide rail and the vertical flexible fossil fragments 3, and the downside and the left and right sides of vertical flexible fossil fragments 3 all are provided with the guide pulley, and the guide rail is used for avoiding the shearing force of the bearing of vertical flexible fossil fragments 3 to undertake by hydraulic cylinder, the setting up of guide pulley makes things convenient for the smooth and easy slip of vertical flexible fossil fragments 3 in the guide rail.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The utility model provides an operation platform is adhered to hydraulic pressure telescopic tower crane which characterized in that: the hydraulic tower crane comprises a longitudinal telescopic keel, a transverse supporting keel, a platform supporting plate, a hydraulic oil cylinder and a hydraulic telescopic control system, wherein the hydraulic oil cylinder is arranged on a standard joint of a movable arm tower crane through an installing frame, the longitudinal telescopic keel is connected with a piston rod of the hydraulic oil cylinder, the platform supporting plate comprises a main plate and wing plates positioned on two sides of the main plate, the wing plates are hinged with the main plate through hinges, the transverse supporting keel is arranged on the lower end surfaces of the main plate and the wing plates at fixed intervals, the longitudinal telescopic keel is fixedly connected with the lower end surface of the main plate, the space between the main plate and a stand column on the standard joint of the movable arm tower crane is opposite, the size of each wing plate is not larger than the corresponding size of the main plate, when the wing plates are in an unfolded state and are positioned on the same plane with the main plate, the end part of the transverse supporting keel on each wing plate is abutted against the longitudinal telescopic keel on the side of the main plate, when the hydraulic oil cylinder is in a shortened state, the wing plate of the platform supporting plate is in a state of being folded onto the main plate, the hydraulic oil cylinder drives the platform supporting plate to be completely positioned in the standard section of the movable arm tower crane through the longitudinal telescopic keel, and when the hydraulic oil cylinder is in an extended state, the platform supporting plate extends out of the standard section of the movable arm tower crane.
2. The hydraulic telescopic tower crane attachment operation platform of claim 1, characterized in that: the hydraulic telescopic system comprises an oil tank, a hydraulic pump, an electromagnetic directional valve and an electric control assembly, wherein an oil pumping port of the hydraulic pump is connected to the oil tank, an oil outlet of the hydraulic pump is connected with an oil supply port of the electromagnetic directional valve through a one-way valve, an oil return port of the electromagnetic directional valve is connected into the oil tank, an overflow branch is further arranged between the hydraulic pump and the electromagnetic directional valve, an overflow valve is arranged on the overflow branch, the overflow port of the overflow valve is connected into the oil tank, and a hydraulic oil cylinder is connected with a control port of the electromagnetic directional valve.
3. The hydraulic telescopic tower crane attachment operation platform of claim 2, characterized in that: the electric control assembly comprises a displacement sensor, a transmitting circuit, a processing element, an instruction element, a correction servo amplifier and a servo valve, wherein the displacement sensor is arranged on a piston rod of the hydraulic oil cylinder or a longitudinal telescopic keel and used for monitoring the extending length of the longitudinal telescopic keel, the displacement sensor is electrically connected with the processing element through the transmitting circuit, the servo valve is electrically connected with the processing element through the correction servo amplifier and used for controlling the electromagnetic reversing valve to carry out conveying conversion, and the instruction element is electrically connected with the processing element.
4. The hydraulic telescopic tower crane attachment operation platform of claim 1, characterized in that: and when the platform supporting plate is in an unfolded state, a steel wire rope is connected between the corresponding connecting rings between the wing plates at the two sides.
5. The hydraulic telescopic tower crane attachment operation platform of claim 4, characterized in that: one side of keeping away from the standard festival of movable arm tower crane on the mainboard also is provided with the go-between, all be provided with between all the go-between on the mainboard and the standard festival of movable arm tower crane and draw wire rope to one side.
6. The hydraulic telescopic tower crane attachment operation platform of claim 4, characterized in that: the horizontal support fossil fragments on pterygoid lamina and the mainboard set up on pterygoid lamina and mainboard along the length direction interval of vertical flexible fossil fragments, and the go-between setting of keeping away from the mainboard on the pterygoid lamina is at the tip of horizontal support fossil fragments.
7. The hydraulic telescopic tower crane attachment operation platform of claim 5, characterized in that: the connecting ring of the main plate is arranged at the end part of the longitudinal telescopic keel.
8. The hydraulic telescopic tower crane attachment operation platform of claim 1, characterized in that: the platform supporting plate adopts a patterned steel plate, and the patterned surface of the patterned steel plate faces upwards.
9. The hydraulic telescopic tower crane attachment operation platform of claim 1, characterized in that: the longitudinal telescopic keels are three, one longitudinal telescopic keel is connected to the middle of the main board, the other two longitudinal telescopic keels are fixedly connected to the edge of the main board respectively, and a plurality of transverse supporting rods are arranged between the two adjacent longitudinal telescopic keels at intervals.
10. The hydraulic telescopic tower crane attachment operation platform of claim 1, characterized in that: be provided with the guide rail who is used for restricting vertical flexible fossil fragments in the standard festival of swing arm tower crane, vertical flexible fossil fragments all adopt the channel-section steel with the guide rail, the fixed setting of guide rail is in the standard festival of swing arm tower crane, looks lock joint between guide rail and the vertical flexible fossil fragments, and the downside and the left and right sides of vertical flexible fossil fragments all are provided with the guide pulley.
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| CN202111102813.8A CN113879990B (en) | 2021-09-22 | 2021-09-22 | Hydraulic telescopic tower crane attachment operation platform |
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| CN202111102813.8A CN113879990B (en) | 2021-09-22 | 2021-09-22 | Hydraulic telescopic tower crane attachment operation platform |
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| CN113879990B CN113879990B (en) | 2023-09-29 |
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2021
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