A passage structure of a tower crane's rotation passage

Abstract

The application discloses a channel structure of a tower crane rotary channel, which comprises a rotary upper support and a rotary lower support which are rotationally connected with each other, and further comprises an upper channel structure and a lower channel structure. The upper channel structure comprises a bearing platform which is installed on the rotary upper support, and a first horizontal door body which is arranged on the bearing platform and is openable and closable. An upper escalator is connected to the lower side of the first horizontal door body, and the upper escalator extends to the inside of the rotary lower support. The lower channel structure comprises a connecting platform and folding plates which are foldably installed on the two sides of the connecting platform. The connecting platform is installed on the rotary lower support, and a second horizontal door body which is openable and closable is arranged on the connecting platform. A lower escalator is connected to the lower side of the second horizontal door body. Angle steels are welded on the two sides of the upper escalator, and the angle steels are connected to the lower panel of the rotary upper support. The application solves the problems that the rotary channel is too large to be fixed and may interfere with winding during rotation.

Description

TECHNICAL FIELD

[0001] The present application relates to a tower crane, in particular to a channel structure of a rotary channel of a tower crane. BACKGROUND

[0002] With the development of large-scale and intelligentization, the large-scale of the tower crane will inevitably lead to the increase of the weight and the size of the single structure, for example, the increase of the size of the rotary structure. The rotation of the crane is an important part of the crane, through the coordination of the driving device, the rotary mechanism and the transmission device, it can realize the horizontal rotation of the hoisted object, and meet the demand of the hoisting operation in industrial production. With the development of large-scale of the tower crane, the increase of the rotary structure, the height of the rotary channel also increases, and the fixing method of the channel has new requirements on the structure. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a channel structure of a rotary channel of a tower crane, which is divided into two sections, one section is fixed to the upper support and rotates with the upper support, and the other section is fixed to the lower support, so that the problem of the rotary channel being difficult to fix due to being too large and the problem of wire interference during rotation can be solved at the same time.

[0004] To achieve the above object, the utility model provides the following technical scheme.

[0005] The channel structure of the rotary channel of the tower crane disclosed by the embodiment of the application comprises a rotary upper support and a rotary lower support which are rotationally connected with each other, and further comprises an upper channel structure and a lower channel structure.

[0006] Preferably, in the channel structure of the rotary channel of the tower crane, the bearing platform is connected to the upper panel of the rotary upper support.

[0007] Preferably, in the channel structure of the rotary channel of the tower crane, a clamping plate is arranged below one side of the bearing platform.

[0008] Preferably, in the channel structure of the rotary channel of the tower crane, the folding plate and the connecting platform are connected by a pin shaft.

[0009] Preferably, in the channel structure of the tower crane rotary channel, the lower ladder includes a ladder support connected to the connecting platform and a telescopic ladder connected to the ladder support in a sliding manner, and the telescopic ladder and the ladder support are connected by a pin shaft.

[0010] Compared with the prior art, the technical scheme has the advantages that the problems of the rotary channel being too large to be fixed and being likely to interfere with the wire during rotation are solved at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical schemes in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0012] Figure 1 The figure shows the perspective view of the channel structure of the tower crane rotary channel in the embodiment of the present application;

[0013] Figure 2 The figure shows the perspective view of the upper channel structure in the embodiment of the present application;

[0014] Figure 3 The figure shows the front view of the upper channel structure in the embodiment of the present application;

[0015] Figure 4 The figure shows the perspective view of the lower channel structure in the embodiment of the present application;

[0016] Figure 5 The figure shows the front view of the lower channel structure in the embodiment of the present application. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the present application will be described in detail below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] In combination with Figures 1-5As shown, the channel structure 100 of the slewing channel of the tower crane, comprising the slewing upper support 101 and the slewing lower support 102 which are rotatably connected with each other, and the upper channel structure 103 and the lower channel structure 104, the upper channel structure 103 comprising the load platform 105 which is installed on the slewing upper support 101, and the first horizontal door body 106 which is provided on the load platform 105 and can be opened and closed, and the upper stairway 107 which is connected below the first horizontal door body 106 and extends to the inside of the slewing lower support 102, the lower channel structure 104 comprising the connecting platform 108 and the folding plates 109 which are foldably installed on both sides of the connecting platform 108, the connecting platform 108 being installed on the slewing lower support 102, and the second horizontal door body 110 which is provided on the connecting platform 108 and can be opened and closed, and the lower stairway 111 which is connected below the second horizontal door body 110, and the angle steels 112 which are welded on both sides of the upper stairway 107 and are connected to the lower panel 115 of the slewing upper support 101. The load platform 105 is connected to the upper panel 113 of the slewing upper support 101. The clamping plate 114 is provided below one side of the load platform 105. The folding plates 109 and the connecting platform 108 are connected by using a pin shaft. The lower stairway 111 comprises the stairway support 116 which is connected to the connecting platform 108 and the telescopic stairway 117 which is slidably connected along the stairway support 116, and the telescopic stairway 117 and the stairway support 116 are connected by using a pin shaft.

[0019] In specific use, the height of the platform in the inner tower body which is rotated reaches more than 5 meters, and the required channel length is very unstable when fixed only on the upper support and will shake during rotation. Therefore, the channel is changed into two parts, the upper channel structure 103 and the lower channel structure 104, the upper channel structure 103 being fixed on the slewing upper support and the lower channel structure 104 being fixed on the slewing lower support, which solves the problem well.

[0020] The upper channel structure 103 is as shown in Figures 2-3 Because it can be directly installed from above, the load platform 105 is directly an integral whole and is bolted with the upper stairway 107. Then the load platform 105 is fixed on the upper panel of the slewing upper support by using a bolt assembly, and the other side is tightened to the upper panel of the slewing upper support by using a clamping plate and a bolt assembly, which can avoid the problem of installation error and installation failure. Because of the length problem of the stairway, the angle steels are welded at the lower end of the upper stairway, which can be connected to the lower panel of the slewing upper support by using a bolt assembly and increase the stability.

[0021] The lower channel structure 104 is as shown in Figures 4-5As shown, the connecting platform 108 and the folding plate 109 can be installed first and then folded and placed into the lower support, and the space in the lower support is large enough to complete the installation in the lower support. Therefore, the connection between the connecting platform 108 and the folding plate 109 adopts a pin shaft and a split pin design, which can be disassembled at any time. After the connecting platform 108 is bolted with the lower escalator, it is installed on the lower support lower panel with a bolt assembly. The escalator support 116 and the telescopic escalator 117 are fixed by a pin shaft and a split pin. In this way, the escalator can be folded to a suitable position for transportation during transportation, and the transportation height does not affect normal transportation.

[0022] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus.

[0023] The above description is merely one specific implementation of the application. It should be noted that, for those skilled in the art, without departing from the principles of the application, a number of improvements and refinements can be made, which should also be considered as falling within the scope of protection of the application.

Claims

1. A passage structure of a slewing passage of a tower crane, characterized in that, The application relates to a rotary upper support and a rotary lower support which are connected to rotate relative to each other, and an upper passage structure and a lower passage structure, wherein the upper passage structure comprises a bearing platform which is mounted on the rotary upper support, a first horizontal door body which is arranged on the bearing platform and can be opened and closed, and an upper escalator which is connected to the lower side of the first horizontal door body and extends into the rotary lower support; the lower passage structure comprises a connecting platform which is mounted on the rotary lower support, a second horizontal door body which is arranged on the connecting platform and can be opened and closed, and a lower escalator which is connected to the lower side of the second horizontal door body; and angle steels are welded to the two sides of the upper escalator and connected to the lower panel of the rotary upper support.

2. A passage structure of a tower crane slewing passage according to claim 1, characterized in that The bearing platform is connected to the upper panel of the rotary upper support.

3. A passage structure of a tower crane slewing passage according to claim 1, characterized in that A clamping plate is arranged below one side of the bearing platform.

4. The tower crane slew channel of claim 1, wherein, Pin shafts are used to connect the folding plates and the connecting platform.

5. A passage structure of a tower crane slewing passage according to claim 1, characterized in that The lower escalator comprises an escalator support which is connected to the connecting platform and a telescopic escalator which is slidably connected to the escalator support, and pin shafts are used to connect the telescopic escalator and the escalator support.

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