CN111456404A - Double-layer operation platform and construction method for avoiding attachment of tower crane - Google Patents
Double-layer operation platform and construction method for avoiding attachment of tower crane Download PDFInfo
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- CN111456404A CN111456404A CN202010310543.9A CN202010310543A CN111456404A CN 111456404 A CN111456404 A CN 111456404A CN 202010310543 A CN202010310543 A CN 202010310543A CN 111456404 A CN111456404 A CN 111456404A
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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
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
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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
- E04G5/00—Component parts or accessories for scaffolds
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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
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically
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Abstract
In order to solve the problem of how to avoid a tower crane wall attaching rod in the vertical lifting process of a guide frame lifting type double-layer operation platform, the invention provides the double-layer operation platform and a construction method for avoiding the tower crane attachment, so that the double-layer operation platform passes through the tower crane wall attaching rod to be vertically lifted, the whole periphery of the outer vertical surface of a building structure is enclosed and enclosed by the operation platform, and the effects of reducing labor and ensuring efficient and safe construction are achieved. The technical scheme of the double-layer operation platform comprises the following steps: the two guide rail frames are connected with the building structure through the platform wall-attached device; the two double-layer platforms are arranged on the two guide rail frames respectively, and are oppositely arranged on two sides of the tower crane attached wall; the end parts of each bedplate of the double-layer platform are hinged with a turning plate, and the lower part of the end part of each bedplate is provided with a telescopic supporting device.
Description
Technical Field
The invention belongs to the technical field of engineering construction, and particularly relates to a double-layer operation platform and a construction method for avoiding attachment of a tower crane.
Background
The guide frame lifting type operation platform as an aerial operation equipment technology is successfully applied to a plurality of domestic construction (structure) construction projects, in particular to wall decoration and maintenance projects. A thesis guide frame lifting type double-layer operation platform for assembly type building construction (building construction, 2018.3) discloses a novel guide frame lifting type double-layer operation platform. The operation platform system of the equipment is of a double-layer structure, can synchronously ascend along with the construction progress of each structural section of a main structure of a building, plays the dual functions of providing an operation space and serving as a protective fence, and is successfully applied to the assembly type building engineering practice in the Shanghai area, so that a good implementation effect is achieved.
When this platform is used and building major structure, need attach to the structure facade through the guide rail frame and encircle arranging to the maximize plays its guard action, nevertheless in high-rise building construction, often still need arrange the formula tower crane that attaches outward at building structure's facade, consequently, there is the operating mode of guide frame over-and-under type double-deck work platform and the cooperation of formula tower crane that attaches outward, two kinds of mechanical equipment need dodge mutually and arrange, in order to guarantee construction safety, wherein, it is a difficult point that guide frame over-and-under type double-deck work platform dodges the tower crane and attaches the wall pole at vertical lift in-process. The traditional construction method is that a guide frame lifting type double-layer operation platform is not arranged in the whole vertical area of the tower crane wall attaching range, the method can enable the double-layer operation platform to smoothly lift and run, but because the horizontal supporting points of the tower crane wall attaching rods are large in space, a large number of construction gaps of the building outer facade structure can be reserved by the method, a large amount of labor cost is needed for erecting a cantilever scaffold in the later period, the construction efficiency is low, and the method has large safety risk.
Disclosure of Invention
In order to solve the problem of how to avoid a tower crane wall attaching rod in the vertical lifting process of a guide frame lifting type double-layer operation platform, the invention provides the double-layer operation platform and a construction method for avoiding the tower crane attachment, so that the double-layer operation platform passes through the tower crane wall attaching rod to be vertically lifted, the whole periphery of the outer vertical surface of a building structure is enclosed and enclosed by the operation platform, and the effects of reducing labor and ensuring efficient and safe construction are achieved.
The technical scheme of the double-layer operation platform is as follows:
a double-deck work platform comprising:
the two guide rail frames are connected with the building structure through the platform wall-attached device;
the two double-layer platforms are arranged on the two guide rail frames respectively, and are oppositely arranged on two sides of the tower crane attached wall;
the end parts of each bedplate of the double-layer platform are hinged with a turning plate, and the lower part of the end part of each bedplate is provided with a telescopic supporting device.
According to the double-layer operation platform, in an initial state, the telescopic supporting device of the double-layer platform extends out, the turning plate is turned over and laid on the telescopic supporting device, so that the oppositely arranged double-layer platform forms a whole; after the double-layer operation platform passes through the tower crane and attaches the wall, stretch out scalable strutting arrangement again, turn over the board, make the relative double-layer platform that sets up form wholly to the adnexed problem of tower crane has been dodged to double-layer operation platform has been solved.
Further, in the double-deck work platform, it is specific that scalable strutting arrangement includes the sleeve pipe of at least two parallel arrangement and the telescopic link of locating in the sleeve pipe respectively. The telescopic rod can stretch out and draw back in the sleeve pipe, realizes scalable strutting arrangement's flexible to play the effect of supporting the board that turns over.
Further, among the double-deck work platform, in order to improve scalable strutting arrangement's degree of automation, improve the efficiency of construction, scalable strutting arrangement still includes: the motor shell is connected with the sleeve through a fixed rod; the screw rod is connected with a rotating shaft of the motor; the screw rod is sleeved with the screw sleeve, the internal thread of the screw sleeve is matched with the thread of the screw rod, and the screw sleeve is connected with the telescopic rod through the connecting rod. The motor drives the screw rod to rotate forwards and backwards, so that the telescopic rod is driven to move horizontally in the sleeve in a reciprocating mode.
Furthermore, in the double-deck work platform, for the convenience of the butt joint of the telescopic link that sets up relatively, the tip of telescopic link sets up round pin axle connector. When the telescopic links arranged oppositely extend and are butted, the telescopic links can be connected with each other through the pin shaft connectors.
Furthermore, among the double-deck work platform, in order to increase the stability behind the double-deck platform formation is whole, scalable strutting arrangement still sets up on each height of double-deck platform tip.
Furthermore, in the double-layer operation platform, in order to increase the safety of the double-layer operation platform, the double-layer operation platform further comprises a containment screen plate, wherein the containment screen plate is arranged on the side part of the double-layer platform and is hinged with a vertical rod at the end part of the double-layer platform.
Further, in the double-deck work platform, in order to facilitate the removal of the enclosure screen plate, avoid the enclosure screen plate to be stopped by other facilities in the turnover process, the enclosure screen plate includes a plurality of plates and hinges, pass through hinge connection between the plate. The enclosure screen plate can be folded through the hinge to reduce the space required by turning.
Furthermore, in the double-layer operation platform, in order to ensure that the turning plate, the telescopic supporting device and the enclosure screen plate can normally act in the operation process of the double-layer operation platform, travel switches are arranged at the ends of the turning plate, the telescopic supporting device and the enclosure screen plate. The travel switches can be linked with the alarm device, and when the travel switches are not completely touched in place and the platform starts to operate, the alarm device can give out corresponding alarms.
Further, among the double-deck work platform, in order to improve double-deck work platform's security, still include the industrial computer, with alarm device that the industrial computer is connected, set up in the tower crane attaches the displacement basic station on the wall and set up in location label on the scalable strutting arrangement, industrial computer, displacement basic station and location label pass through wireless mode and connect. The displacement base station and the positioning label are used for sensing the vertical distance between each telescopic supporting device and the wall attached by the tower crane, so that the relative position between the telescopic supporting device and the wall attached by the tower crane is accurately judged. The vertical distance position information can be sent to the industrial personal computer, and the industrial personal computer can control the alarm device to send out corresponding sound and light alarms according to distance limitation.
The invention also provides a construction method for avoiding tower crane attachment of the double-layer operation platform.
The invention discloses a construction method for avoiding tower crane attachment of a double-layer operation platform, which is technically characterized by comprising the following steps of:
s1, respectively arranging guide rail frames of the double-layer operation platform at two sides of an attached wall of the tower crane, respectively installing the double-layer platform, wherein the double-layer platform is oppositely arranged, a telescopic supporting device of the double-layer platform extends out, a turning plate is turned over and laid on the telescopic supporting device, and a containment screen plate is opened to enable the oppositely arranged double-layer platform to form a whole;
s2, when the double-layer platform is driven to climb along the guide rail frame and the top of the double-layer platform moves to the bottom of the tower crane attached wall, the turning plate turns upwards to a vertical position along the hinge, the enclosing screen plate turns outwards along the hinge and is fixed on the side part of the double-layer platform, and the telescopic supporting device is retracted inwards to form a gap;
s3, when the double-layer platform is driven to continuously climb along the guide rail frame, when the bottom of the double-layer platform exceeds the top of the tower crane attached wall, the telescopic supporting device extends out, the turning plate is turned over and laid on the telescopic supporting device, and the enclosure screen plate is opened to enable the oppositely arranged double-layer platform to form a whole;
s4, when the double-layer platform is driven to descend along the guide rail frame, when the bottom of the double-layer platform moves to the top of the tower crane attached wall, the turning plate turns upwards to a vertical position along the hinge, the enclosure screen plate turns outwards along the hinge and is fixed on the side part of the double-layer platform, and the telescopic supporting device is retracted inwards to form a gap;
and S5, when the double-layer platform is driven to continuously descend along the guide rail frame, when the top of the double-layer platform exceeds the bottom of the tower crane attached wall, the telescopic supporting device extends out, the turning plate is turned over and laid on the telescopic supporting device, and the enclosure screen plate is opened, so that the oppositely arranged double-layer platform forms a whole.
The invention relates to a construction method for avoiding tower crane attachment of a double-layer operation platform, which comprises the following steps that in the initial state of the double-layer operation platform, a telescopic supporting device of the double-layer platform extends out, a turning plate is turned over and laid on the telescopic supporting device, a containment screen plate is opened to enable the oppositely arranged double-layer platform to form a whole, when the double-layer platform meets a tower crane attachment wall in the ascending or descending process, the turning plate is turned upwards along a hinge to a vertical position to form a fence, the telescopic supporting device is retracted inwards, and the containment screen plate is turned outwards along the hinge and fixed on the side part of the double-layer platform to form a notch, so that the double-layer operation platform can; when the double-layer operation platform is attached to the wall through the tower crane, the telescopic supporting device is stretched out again, the turning plate is turned over, and the enclosure screen plate is opened, so that the oppositely arranged double-layer platform is integrated, and the problem that the double-layer operation platform avoids attachment of the tower crane is solved.
Furthermore, in the construction method of the double-layer operation platform for avoiding the attachment of the tower crane,
in S2, each telescopic supporting device and each turnover plate ascend along with the double-layer platform and are recovered layer by layer and turned upwards when approaching the bottom of the tower crane attached wall;
in S3, each telescopic supporting device and each turnover plate ascend along with the double-layer platform and extend out and turn over layer by layer when exceeding the top of the tower crane attached wall;
in S4, each telescopic supporting device and each turnover plate descend along with the double-layer platform and are gradually recovered and turned upwards when approaching the top of the tower crane attached wall;
and S5, each telescopic supporting device and the turning plate descend along with the double-layer platform and extend and turn over layer by layer when the telescopic supporting devices and the turning plate exceed the bottom of the tower crane attached wall.
When the double-layer platform ascends or descends, the retractable supporting devices and the turning plates are only recovered and turned upwards when the retractable supporting devices and the turning plates are about to be in contact with the tower crane attached wall. When the telescopic supporting devices and the turning plates exceed the tower crane attached wall, the telescopic supporting devices and the turning plates can be immediately extended and opened. In this way, the telescopic supporting device can be disconnected only when necessary, so that the connection strength between the double-layer platforms is ensured to the maximum extent.
Further, in the construction method for avoiding the attachment of the tower crane for the double-layer operation platform, the turning plate, the telescopic supporting device and the travel switch arranged at the end part of the enclosure screen plate are linked with the alarm device and are used for monitoring the opening and closing conditions of the turning plate, the telescopic supporting device and the enclosure screen plate; the displacement base station is arranged on the tower crane attachment wall, and the positioning tag arranged on the telescopic supporting device is linked with the alarm device and used for monitoring the distance between the tower crane attachment wall and the double-layer platform; the industrial personal computer is linked with the travel switch, the displacement base station, the positioning tag and the alarm device and is used for automatically controlling the lifting of the double-layer platform.
Drawings
FIG. 1 is a top plan view of a double deck work platform of the present invention;
FIG. 2 is a front view of a double deck work platform of the present invention;
FIG. 3 is a side view of a double deck work platform of the present invention;
FIG. 4 is a schematic view of the telescoping support arrangement of a double deck work platform of the present invention;
fig. 5 is a schematic diagram of a containment screen of a double-deck work platform of the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Example 1:
referring to fig. 1 to 5, the technical solution of the double-deck work platform of the present invention is as follows:
a double-deck work platform comprising:
the two guide rail frames 3 are connected with a building structure 6 through a platform wall-attached device 5;
the two double-layer platforms 4 are respectively arranged on the two guide rail frames 3, and the two double-layer platforms 4 are oppositely arranged on two sides of the tower crane attached wall 2;
the end of each bedplate 41 of the double-layer platform 4 is hinged with a turning plate 11, and the lower part of the end of each bedplate 41 is provided with a telescopic supporting device 100.
In the double-deck operation platform of the embodiment, in an initial state, the telescopic supporting device 100 of the double-deck platform 4 extends out, the turning plate 11 is turned over and laid on the telescopic supporting device 100, so that the double-deck platform 4 arranged oppositely forms a whole, when the double-deck platform 4 meets the tower crane attaching wall 2 in the ascending or descending process, the turning plate 11 is turned upwards along the hinge to a vertical position to form a fence, and the telescopic supporting device 100 is retracted inwards to form a gap, so that the double-deck operation platform passes through the tower crane attaching wall 2; when the double-layer operation platform passes through the tower crane and attaches behind wall 2, stretch out scalable strutting arrangement 100 again, turn over board 11, make the relative double-layer platform 4 that sets up form wholly to the adnexed problem of tower crane has been dodged to the double-layer operation platform of having solved.
In the double-deck work platform, in particular, the retractable supporting device 100 includes at least two parallel sleeves 101 and retractable rods 102 respectively sleeved in the sleeves 101. The telescopic rod 102 can be extended and retracted in the sleeve 101, so that the telescopic supporting device 100 can be extended and retracted, and can play a role in supporting the turning plate 11.
In a preferred embodiment, in order to improve the degree of automation of the telescopic supporting device 100 and improve the construction efficiency, the telescopic supporting device 100 further includes: the motor 103, the outer casing of said motor 103 is connected with sleeve 101 through the dead lever 104; the screw rod 105, the said screw rod 105 is connected with rotating shaft of the motor 103; the screw rod 105 is sleeved with the screw sleeve 106, the internal thread of the screw sleeve 106 is matched with the thread of the screw rod 105, and the screw sleeve 106 is connected with the telescopic rod 102 through a connecting rod 107. The motor 103 drives the screw rod 105 to rotate forwards and backwards, so as to drive the telescopic rod 102 to reciprocate horizontally in the sleeve 101.
In a preferred embodiment, in the double-deck work platform, in order to facilitate the butt joint of the opposite telescopic rods 102, the end portions of the telescopic rods 102 are provided with pin connectors 108. When the opposite telescopic rods 102 extend to be butted, the telescopic rods can be connected with each other through the pin shaft connectors 108.
In a preferred embodiment, in order to increase the stability of the double-deck work platform 4 after the double-deck work platform is formed into a whole, the retractable support device 100 is further disposed at each height of the end portion of the double-deck work platform 4. Such as the telescopic supporting means 100, are also arranged at the lower part of the horizontal beam 43 of the double deck platform 4.
In a preferred embodiment, in order to increase the safety of the double-deck work platform, the double-deck work platform further comprises a containment screen 200, and the containment screen 200 is arranged at the side of the double-deck work platform 4 and is hinged to the upright 42 at the end of the double-deck work platform 4.
As a preferred embodiment, in the double-deck work platform, in order to facilitate the movement of the enclosure screen 200 and prevent the enclosure screen 200 from being blocked by other facilities in the overturning process, the enclosure screen 200 includes a plurality of plates 201 and hinges 202, and the plates 201 are connected by the hinges 202. The fencing screen 200 may be folded by hinges 202 to reduce the space required for turning.
In a preferred embodiment, in the double-deck work platform, in order to ensure that the turning plate 11, the retractable supporting device 100 and the enclosure screen plate 200 can normally operate during the operation of the double-deck work platform, travel switches are arranged at the ends of the turning plate 11, the retractable supporting device 100 and the enclosure screen plate 200. The travel switches can be linked with the alarm device, and when the travel switches are not completely touched in place and the platform starts to operate, the alarm device can give out corresponding alarms.
As a preferred embodiment, in the double-deck work platform, in order to improve the security of double-deck work platform, still include the industrial computer, with alarm device that the industrial computer is connected, set up in the tower crane attaches displacement basic station 23 on wall 2 and set up in location label 24 on the scalable strutting arrangement 100, industrial computer, displacement basic station 23 and location label 24 pass through wireless mode and connect. The displacement base station 23 and the positioning tag 24 are used for sensing the vertical distance between each telescopic supporting device 100 and the tower crane attaching wall 2, so that the relative position between the telescopic supporting device 100 and the tower crane attaching wall 2 is accurately judged. The vertical distance position information can be sent to the industrial personal computer, and the industrial personal computer can control the alarm device to send out corresponding sound and light alarms according to distance limitation.
Example 2:
the embodiment provides a construction method for avoiding tower crane attachment of a double-layer operation platform, which is described in embodiment 1.
The construction method for avoiding tower crane attachment of the double-layer operation platform is technically characterized by comprising the following steps:
s1, respectively arranging the guide rail frames 3 of the double-layer operation platform at two sides of the tower crane attached wall 2, respectively installing the double-layer platforms 4, wherein the double-layer platforms 4 are oppositely arranged, the telescopic supporting device 100 of the double-layer platform 4 extends out, the turning plate 11 is turned over and laid on the telescopic supporting device 100, and the enclosure screen plate 200 is opened to enable the oppositely arranged double-layer platforms 4 to form a whole;
s2, when the double-layer platform 4 is driven to climb along the guide rail frame 3 and the top of the double-layer platform 4 runs to the bottom of the tower crane attached wall 2, the turning plate 11 is turned upwards to a vertical position along the hinge, the enclosure screen plate 200 is turned outwards along the hinge and fixed on the side part of the double-layer platform 4, and the telescopic supporting device 100 is retracted inwards to form a gap;
s3, when the double-layer platform 4 is driven to continuously climb along the guide rail frame 3 and the bottom of the double-layer platform 4 exceeds the top of the tower crane attached wall 2, the telescopic supporting device 100 extends out, the turning plate 11 is turned over and laid on the telescopic supporting device 100, and the enclosure screen plate 200 is opened to enable the oppositely arranged double-layer platform 4 to form a whole;
s4, when the double-layer platform 4 is driven to descend along the guide rail frame 3 and the bottom of the double-layer platform 4 moves to the top of the tower crane attached wall 2, the turning plate 11 is turned upwards to a vertical position along the hinge, the enclosure screen plate 200 is turned outwards along the hinge and fixed on the side part of the double-layer platform 4, and the telescopic supporting device 100 is retracted inwards to form a gap;
s5, when the double-layer platform 4 is driven to continuously descend along the guide rail frame 3 and the top of the double-layer platform 4 exceeds the bottom of the tower crane attached wall 2, the telescopic supporting device 100 extends out, the turning plate 11 is turned over and laid on the telescopic supporting device 100, and the enclosure screen plate 200 is opened, so that the double-layer platform 4 which is oppositely arranged forms a whole.
The invention relates to a construction method for avoiding attachment of a tower crane for a double-layer operation platform, which comprises the following steps that in the initial state of the double-layer operation platform, a telescopic supporting device 100 of the double-layer platform 4 extends out, a turning plate 11 is turned over and laid on the telescopic supporting device 100, and an enclosure screen plate 200 is opened to enable the double-layer platform 4 arranged oppositely to form a whole, when the double-layer platform 4 meets a tower crane attachment wall 2 in the ascending or descending process, the turning plate 11 is turned upwards along a hinge to a vertical position to form an enclosure, the telescopic supporting device 100 is retracted inwards, and the enclosure screen plate 200 is turned outwards along the hinge and fixed on the side part of the double-layer platform 4 to form a gap so that the double-layer operation platform; after the double-layer operation platform passes through the tower crane attached wall 2, the telescopic supporting device 100 is extended out again, the turning plate 11 is turned over, and the enclosure screen plate 200 is opened, so that the oppositely arranged double-layer platform 4 forms a whole, and the problem that the double-layer operation platform avoids attachment of the tower crane is solved.
In a preferable embodiment, in the construction method for avoiding the attachment of the tower crane for the double-layer operation platform,
in S2, the telescopic supporting devices 100 and the turning plates 11 ascend along with the double-layer platform 4 and are recovered layer by layer and turned upwards when approaching the bottom of the tower crane attached wall 2;
in S3, each telescopic supporting device 100 and the turning plate 11 ascend along with the double-layer platform 4 and extend out and turn over layer by layer when exceeding the top of the tower crane attached wall 2;
in S4, each telescopic supporting device 100 and the turning plate 11 descend along with the double-layer platform 4 and are gradually recovered and turned upwards when approaching the top of the tower crane attached wall 2;
in S5, each retractable support 100 and the flap 11 descend along with the double-deck platform 4 and extend and open layer by layer when exceeding the bottom of the tower crane attached wall 2.
When the double-layer platform 4 ascends or descends, the retractable supporting devices 100 and the turning plates 11 are only recovered and turned upwards when the double-layer platform is about to contact with the tower crane attached wall 2. When the telescopic supporting devices 100 and the turning plate 11 exceed the tower crane attaching wall 2, the telescopic supporting devices can be extended and opened immediately. In this way, the telescopic supporting device 100 can be disconnected only when necessary, thereby maximally securing the connection strength between the double deck platforms 4.
As a preferred embodiment, in the construction method for avoiding the attachment of the tower crane for the double-layer operation platform, the end parts of the turning plate 11, the telescopic supporting device 100 and the enclosure screen plate 200 are provided with travel switches which are linked with an alarm device and used for monitoring the opening and closing conditions of the turning plate 11, the telescopic supporting device 100 and the enclosure screen plate 200; the displacement base station 23 arranged on the tower crane attaching wall 2 and the positioning tag 24 arranged on the telescopic supporting device 100 are linked with an alarm device and used for monitoring the distance between the tower crane attaching wall 2 and the double-layer platform 4; the industrial personal computer is linked with the travel switch, the displacement base station 23, the positioning tag 24 and the alarm device and is used for automatically controlling the lifting of the double-layer platform 4.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (12)
1. A double deck work platform, comprising:
the guide rail brackets (3) are connected with a building structure (6) through a platform wall-attached device (5);
the two double-layer platforms (4) are respectively arranged on the two guide rail frames (3), and the two double-layer platforms (4) are oppositely arranged on two sides of the tower crane attached wall (2);
the end parts of the bedplate (41) of the double-layer platform (4) are hinged with the turning plate (11), and the lower part of the end part of each bedplate (41) is provided with a telescopic supporting device (100).
2. The double-deck work platform as claimed in claim 1, wherein the telescopic support means (100) comprises at least two sleeves (101) arranged in parallel and telescopic rods (102) respectively sleeved in the sleeves (101).
3. Double-deck work platform according to claim 2, wherein the telescopic support device (100) further comprises:
the motor (103), the outer casing of the motor (103) is connected with the sleeve (101) through a fixing rod (104);
the screw rod (105), the said screw rod (105) is connected with axis of rotation of the electrical machinery (103);
and the screw rod (105) is sleeved with the screw sleeve (106), the internal thread of the screw sleeve (106) is matched with the thread of the screw rod (105), and the screw sleeve (106) is connected with the telescopic rod (102) through a connecting rod (107).
4. The double deck work platform as claimed in claim 2, wherein the end of the telescoping mast (102) is provided with a pin joint (108).
5. Double-deck work platform according to claim 1, characterized in that the telescopic support (100) is also arranged at each level at the end of the double-deck platform (4).
6. The double deck work platform of claim 1, further comprising a containment screen (200), wherein the containment screen (200) is disposed on a side of the double deck platform (4) and is hinged to a leg (42) at an end of the double deck platform (4).
7. The double deck work platform of claim 6, wherein said enclosure net plate (200) comprises a plurality of plates (201) and hinges (202), and said plates (201) are connected by said hinges (202).
8. The double deck work platform of claim 6 wherein travel switches are provided at the ends of the flipper (11), the telescoping shoring device (100), and the fencing screen (200).
9. The double-deck work platform of claim 1, further comprising an industrial personal computer, an alarm device connected with the industrial personal computer, a displacement base station (23) arranged on the tower crane attached wall (2), and a positioning tag (24) arranged on the telescopic supporting device (100), wherein the industrial personal computer, the displacement base station (23), and the positioning tag (24) are connected in a wireless manner.
10. The construction method for avoiding the attachment of the tower crane of the double-layer operation platform according to any one of claims 1 to 9 is characterized by comprising the following steps:
s1, respectively arranging guide rail frames (3) of a double-layer operation platform at two sides of a tower crane attached wall (2), respectively installing the double-layer platform (4), wherein the double-layer platform (4) is oppositely arranged, a telescopic supporting device (100) of the double-layer platform (4) extends out, a turning plate (11) is turned over and laid on the telescopic supporting device (100), and a containment screen plate (200) is opened to enable the oppositely arranged double-layer platform (4) to form a whole;
s2, when the double-layer platform (4) is driven to climb along the guide rail frame (3), and when the top of the double-layer platform (4) runs to the bottom of the tower crane attached wall (2), the turning plate (11) is turned upwards to a vertical position along the hinge, the enclosure screen plate (200) is turned outwards along the hinge and is fixed on the side part of the double-layer platform (4), and the telescopic supporting device (100) is retracted inwards to form a gap;
s3, when the double-layer platform (4) is driven to continuously climb along the guide rail frame (3), and when the bottom of the double-layer platform (4) exceeds the top of the tower crane attached wall (2), the telescopic supporting device (100) extends out, the turning plate (11) is turned over and laid on the telescopic supporting device (100), and the enclosure screen plate (200) is opened, so that the oppositely arranged double-layer platform (4) forms a whole;
s4, when the double-layer platform (4) is driven to descend along the guide rail frame (3), when the bottom of the double-layer platform (4) runs to the top of the tower crane attached wall (2), the turning plate (11) is turned upwards to a vertical position along the hinge, the enclosure screen plate (200) is turned outwards along the hinge and is fixed on the side part of the double-layer platform (4), and the telescopic supporting device (100) is retracted inwards to form a gap;
s5, when the double-layer platform (4) is driven to continuously descend along the guide rail frame (3), when the top of the double-layer platform (4) exceeds the bottom of the tower crane attached wall (2), the telescopic supporting device (100) extends out, the turning plate (11) is turned over and laid on the telescopic supporting device (100), and the enclosure screen plate (200) is opened, so that the oppositely arranged double-layer platform (4) forms a whole.
11. The construction method for avoiding the attachment of the tower crane for the double-layer operation platform according to claim 10,
in S2, each telescopic supporting device (100) and the turning plate (11) ascend along with the double-layer platform (4) and are recovered layer by layer and turned upwards when approaching the bottom of the tower crane attached wall (2);
in S3, each telescopic supporting device (100) and the turning plate (11) ascend along with the double-layer platform (4) and extend out and turn over layer by layer when exceeding the top of the tower crane attached wall (2);
in S4, each telescopic supporting device (100) and the turning plate (11) descend along with the double-layer platform (4) and are gradually recovered and turned upwards when approaching the top of the tower crane attached wall (2);
in S5, each telescopic supporting device (100) and the turning plate (11) descend along with the double-layer platform (4) and extend out and turn over layer by layer when exceeding the bottom of the tower crane attached wall (2).
12. The construction method for avoiding the attachment of the tower crane for the double-layer operation platform according to claim 10, wherein travel switches arranged at the ends of the turning plate (11), the telescopic supporting device (100) and the enclosure screen plate (200) are linked with an alarm device for monitoring the opening and closing conditions of the turning plate (11), the telescopic supporting device (100) and the enclosure screen plate (200); a displacement base station (23) arranged on the tower crane attaching wall (2), and a positioning tag (24) arranged on the telescopic supporting device (100) are linked with an alarm device and used for monitoring the distance between the tower crane attaching wall (2) and the double-layer platform (4); the industrial personal computer is linked with the travel switch, the displacement base station (23), the positioning tag (24) and the alarm device and is used for automatically controlling the lifting of the double-layer platform (4).
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