Super high-rise telescopic tower crane passage structure capable of going up and down

Abstract

The utility model discloses a super high-rise telescopic up-and-down tower crane channel structure. The super high-rise telescopic up-and-down tower crane channel structure comprises a channel bottom frame connected to the top of a creeping formwork, a channel platform connected to the channel bottom frame and used for being in lap joint with a C-shaped beam of a tower crane after stretching out, protective barriers connected to the two sides of the channel platform, and a channel door connected to the stretching-out position of the channel platform at the top of the creeping formwork. The channel structure is particularly suitable for super high-rise construction and connection of a creeping formwork and a tower crane so as to reduce the passing time of a tower crane for getting on and off the tower crane, and is safe, reliable, convenient to mount and dismount and high in universality. And the length of the channel can be telescopically adjusted, so that the problem of reprocessing and mounting due to insufficient length of the channel caused by inward contraction of the structure and the like can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of super high-rise building construction, in particular to a super high-rise telescopic upper and lower tower crane channel structure. Background Art

[0002] Traditional construction often involves constructing steel pipe tunnels or prefabricated tunnels within floors to facilitate the movement of cranes up and down the tower. However, in high-rise and super-high-rise construction, due to the height of the building, the tunnel's position must be adjusted to minimize the time it takes for cranes to ascend and descend. Each adjustment requires dismantling and re-erecting the tunnel. Furthermore, when super-high-rise structures retract, traditional prefabricated crane tunnels may be insufficiently long, necessitating re-fabrication and installation, resulting in a waste of manpower. Therefore, a more convenient and efficient design is needed to improve construction efficiency. Utility Model Content

[0003] The purpose of this utility model is to provide a super high-rise retractable tower crane access structure that connects the climbing formwork and the tower crane to reduce the travel time of the tower crane on and off the tower crane. The structure is safe and reliable, easy to install and dismantle, and highly versatile. The purpose of this utility model is achieved through the following technical solutions:

[0004] A super high-rise retractable up and down tower crane channel structure, comprising a channel bottom frame connected to the top of the climbing formwork, a channel platform connected to the channel bottom frame and extended to overlap with the tower crane C-beam, protective railings connected to both sides of the channel platform, and a channel door connected to the extended part of the channel platform at the top of the climbing formwork; the channel bottom frame is a rectangular frame composed of two parallel bottom frame channel steels and bottom frame square steels vertically connected between the two bottom frame channel steels, and is fixed to the platform surface at the top of the climbing formwork by U-shaped screws; the notches of the two bottom frame channel steels are respectively facing the two sides of the channel bottom frame; the outer frame of the channel platform is composed of two parallel platform channel steels and platform square steels vertically connected between the two platform channel steels. The channel platform is connected to at least two pairs of rollers, each pair of rollers is symmetrically installed in the notches of the platform channel steels on both sides, and the lower ends of the rollers are against the upper plane of the bottom frame channel steel, and the rolling of the rollers drives the channel platform to slide and retract; the channel platform is provided with at least two pairs of connecting parts, each pair of connecting parts is respectively arranged on the outside of the platform channel steels on both sides, and the connecting parts include a connecting plate with a through hole and a hook with a through hole, the connecting plate is fixedly connected to the platform channel steel, the hook and the connecting plate are connected by bolts, the lower end of the hook extends into the groove of the bottom frame channel steel and the fixed connection between the channel platform and the channel bottom frame is achieved by tightening the bolts to prevent sliding.

[0005] For further optimization, the through-hole axis of the connecting plate is consistent with the expansion and contraction direction of the channel platform.

[0006] Furthermore, the connecting plate is welded to the platform channel steel or formed as one piece.

[0007] Furthermore, the position of the connecting member is staggered with the position of the roller.

[0008] Furthermore, the outer frame of the channel platform is the same width as the channel bottom frame.

[0009] Furthermore, the passage door is arranged in a door opening reserved in the safety net on the platform at the top of the climbing formwork near the side of the tower crane. The passage door is provided with a locking device and opens toward the inside of the safety net. Two square columns corresponding to the position of the door opening are provided on the inside of the safety net. The bottom of the square columns is welded to the platform at the top of the climbing formwork, and the square columns are connected to the crossbeam of the safety net through horizontal bolts.

[0010] The advantages and beneficial effects of the utility model are:

[0011] 1) The utility model connects the tower crane channel with the climbing formwork steel beam through bolts, so that the channel can climb synchronously with the climbing formwork. At the same time, because the channel can slide and retract, the cantilever length of the channel can be adjusted when the structure shrinks and changes, ensuring the connection between the climbing formwork and the tower crane, improving construction efficiency, and being easy to operate, safe and reliable.

[0012] 2) The utility model fixes one end of the channel to the top of the climbing formwork, which is applicable to most climbing formwork installations, has relatively low requirements for climbing formwork, and has strong versatility. A channel is set on the top of the climbing formwork. In order to avoid the fixed end being damaged due to the horizontal shaking of the tower crane after the channel platform and the tower crane are consolidated, the channel is connected to the tower crane by overlapping the far end of the channel on the C-shaped beam on the side of the tower crane close to the structure (the far end of the channel extends over the C-shaped beam). While ensuring safety, the installation, connection and disassembly of the tower crane are more convenient, thereby improving construction efficiency.

[0013] 3) The rollers on the inner side of the bottom frame and the platform of the channel of the utility model are set, and the hooks and bolts on the outer side are fixed, so that the sliding and fastening between the platform and the bottom frame are very convenient, thereby making the channel telescopic adjustment, fixed position, and disassembly and turnover very convenient, with good stability, saving manpower, material resources and operation time.

[0014] 4) The utility model provides a channel door at the exit of the tower crane channel on the climbing formwork. When the channel is not in use, the channel can be retracted and the channel door can be closed and locked. The bottom formwork and platform of the channel do not need to be disassembled, and the climbing formwork height can continue to be adjusted or other operations can be performed, ensuring safe and convenient construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0016] Figure 1Schematic diagram of the overall structure of the utility model super high-rise telescopic upper and lower tower crane channel;

[0017] Figure 2 This is a schematic diagram of the plane structure of the channel bottom frame;

[0018] Figure 3 This is a schematic diagram of the planar structure of the channel platform;

[0019] Figure 4 This is a schematic diagram of the bottom frame installation structure;

[0020] Figure 5 This is a schematic diagram of the connection structure between the channel bottom frame and the channel platform;

[0021] Figure 6 This is a schematic diagram of the tower crane channel plan structure;

[0022] Figure 7 Schematic diagram of the channel door structure.

[0023] Description of the drawings: 1. Climbing formwork; 2. Channel bottom frame; 3. Channel platform; 4. Guardrail; 5. Channel door; 6. Safety net; 7. Square column; 8. Tower crane C-beam; 21. Base frame channel steel; 22. Base frame square steel; 23. U-shaped screw; 31. Platform channel steel; 32. Platform square steel; 33. Roller; 34. Connector; 341. Connecting plate; 342. Hook; 343. Bolt. DETAILED DESCRIPTION

[0024] Example 1:

[0025] like Figure 1 As shown, a super high-rise retractable tower crane access structure includes a access base frame 2 connected to the top of a climbing formwork 1, a access platform 3 connected to the access base frame 2 and extended to overlap with the tower crane C-beam 8, guardrails 4 connected to both sides of the access platform 3, and an access door 5 connected to the extension of the access platform 3 at the top of the climbing formwork 1. The access platform 3 is extended through the access door 5 to overlap with the tower crane C-beam 8. No other connectors are required for the overlap, and it can be directly placed. The overlap position is shown in FIG. Figure 6 The bottom of the guardrail 4 can be installed on the channel platform 3 by bolts, and it extends out with the channel platform 3 to ensure construction safety. It is also very convenient to disassemble when not in use.

[0026] In this embodiment, Figure 2 As shown, the channel bottom frame 2 is a rectangular frame composed of two parallel bottom frame channel steels 21 and bottom frame square steels 22 vertically connected between the two bottom frame channel steels 21, and is fixed to the platform surface at the top of the climbing formwork 1 by U-shaped screws 23 and bolts, as shown in FIG. Figure 4In the embodiment shown, the U-shaped screws are divided into two groups, the first group of two pairs are arranged on the inner side, and the second group of one pair is arranged near the outer channel door 5; the notches of the two bottom frame channel steels 21 are respectively facing the two sides of the channel bottom frame 2.

[0027] In this embodiment, Figure 3 、 5 As shown, the outer frame of the channel platform 3 is preferably the same width as the channel bottom frame 2. The outer frame of the channel platform 3 is a rectangular frame composed of two parallel platform channel steels 31 and platform square steel 32 vertically connected between the two platform channel steels 31, with the notches of the platform channel steels 31 facing downward. The channel platform 3 is connected to at least two pairs of rollers 33, which are fixed and installed by bolts. Each pair of rollers 33 is symmetrically installed in the notches of the platform channel steels 31 on both sides, and the lower ends of the rollers 33 are against the upper plane of the bottom frame channel steel 21. The rolling of the rollers 33 drives the channel platform 3 to slide and retract.

[0028] The channel platform 3 is provided with at least two pairs of connecting members 34, each pair of connecting members 34 is respectively provided on the outside of the platform channel steel 31 on both sides, and the connecting members 34 include a connecting plate 341 with a through hole and a hook 342 with a through hole. The connecting plate 341 is fixedly connected to the platform channel steel 31, and the hook 342 is connected to the connecting plate 341 by a bolt 343. The lower end of the hook 342 extends into the groove of the bottom frame channel steel 21 and the channel platform 3 and the channel bottom frame 2 are fixedly connected to prevent sliding by tightening the bolt. The axis of the through hole of the connecting plate 341 is consistent with the expansion and contraction direction of the channel platform 3. The connecting plate 341 is welded to the platform channel steel 31 or integrally formed. The position of the connecting member 34 is staggered with the position of the roller 33.

[0029] like Figure 7 As shown, the access door 5 is set in a door opening reserved in the safety net 6 on the platform at the top of the climbing formwork 1, near the tower crane. To ensure safety, the access door 5 is equipped with a locking device and opens toward the inside of the safety net 6. Two square columns 7 corresponding to the door opening positions are set on the inside of the safety net 6 as support. The bottoms of the square columns 7 are welded to the platform at the top of the climbing formwork 1, and the square columns 7 are connected to the crossbeam of the safety net 6 via horizontal bolts. When the climbing formwork is climbing or no longer needs to be connected to the tower crane, the access platform retracts into the access door and the access door is locked.

[0030] The installation steps of the channel are: determine the channel position → connect and fix the telescopic channel bottom frame to the climbing formwork → adjust the telescopic length of the channel according to the distance between the climbing formwork and the tower crane → fix the channel platform and the bottom frame with bolts to prevent sliding.

[0031] Finally, it should be noted that the above is only used to illustrate the technical solution of the utility model and is not a limitation. Although the utility model is described in detail with reference to the preferred arrangement scheme, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model.

Claims

1. A super high-rise retractable upper and lower tower crane channel structure, characterized by: It comprises a channel bottom frame (2) connected to the top of the climbing formwork (1), a channel platform (3) connected to the channel bottom frame (2) and extending outward for overlapping with the tower crane C-beam (8), guardrails (4) connected to both sides of the channel platform (3), and a channel door (5) connected to the extending portion of the channel platform (3) at the top of the climbing formwork (1); The channel bottom frame (2) is a rectangular frame consisting of two parallel bottom frame channel steels (21) and bottom frame square steel (22) vertically connected between the two bottom frame channel steels (21), and is fixed to the upper surface of the platform on the top of the climbing formwork (1) by U-shaped screws (23); the notches of the two bottom frame channel steels (21) are respectively facing the two sides of the channel bottom frame (2); The outer frame of the channel platform (3) is a rectangular frame composed of two parallel platform channel steels (31) and platform square steels (32) vertically connected between the two platform channel steels (31), and the notches of the platform channel steels (31) are downward; the channel platform (3) is connected to at least two pairs of rollers (33), each pair of rollers (33) is symmetrically installed in the notches of the platform channel steels (31) on both sides, and the lower ends of the rollers (33) are against the upper plane of the bottom frame channel steel (21), and the rollers (33) roll to drive the channel platform (3) to slide and retract; The channel platform (3) is provided with at least two pairs of connecting members (34), each pair of connecting members (34) is respectively provided on the outside of the platform channel steels (31) on both sides, the connecting members (34) include a connecting plate (341) with a through hole and a hook (342) with a through hole, the connecting plate (341) is fixedly connected to the platform channel steel (31), the hook (342) is connected to the connecting plate (341) by a bolt (343), the lower end of the hook (342) extends into the groove of the bottom frame channel steel (21) and the fixed connection between the channel platform (3) and the channel bottom frame (2) is achieved by tightening the bolt.

2. The super high-rise retractable upper and lower tower crane channel structure according to claim 1 is characterized by: The axis of the through hole of the connecting plate (341) is consistent with the telescopic direction of the channel platform (3).

3. The super high-rise retractable upper and lower tower crane channel structure according to claim 1 is characterized by: The connecting plate (341) is welded to the platform channel steel (31) or integrally formed.

4. The super high-rise telescopic upper and lower tower crane channel structure according to claim 1 is characterized in that: The position of the connecting member (34) is staggered with the position of the roller (33).

5. The super high-rise retractable upper and lower tower crane channel structure according to claim 1 is characterized in that: The outer frame of the channel platform (3) has the same width as the channel bottom frame (2).

6. The super high-rise telescopic upper and lower tower crane channel structure according to claim 1 is characterized in that: The passage door (5) is arranged in a door opening reserved in the safety net (6) on the platform at the top of the climbing formwork (1) near the tower crane side. The passage door (5) is provided with a locking device and opens toward the inside of the safety net (6). Two square columns (7) corresponding to the positions of the door openings are provided on the inside of the safety net (6). The bottoms of the square columns (7) are welded to the platform at the top of the climbing formwork (1), and the square columns (7) are connected to the crossbeam of the safety net (6) through horizontal bolts.

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