Large underframe type swing arm tower crane underframe shelving conversion bracket

Abstract

The utility model discloses a large chassis type swing arm tower crane chassis shelving conversion bracket which comprises a bracket body, the cross section of the bracket body is of a geometric frame structure, the bracket body comprises two supporting beams, two short connecting beams and a long connecting beam, the two supporting beams are arranged oppositely, the two short connecting beams are arranged oppositely, and the long connecting beam is arranged oppositely. The two ends of the two supporting beams are connected with the different short connecting beams respectively, the two ends of the two short connecting beams are connected with the different supporting beams respectively, the long connecting beam is connected to the ends of the two supporting beams in an inclined mode, and flange plates are arranged at the two ends of the two supporting beams respectively. A flange structure is designed on the designed large movable arm tower crane underframe placing conversion bracket to be connected with an underframe bottom plate of a movable arm tower crane, the lower portion of the large movable arm tower crane underframe placing conversion bracket is placed on a wharf working face, a placing stress point is matched with the position of a wharf pile foundation, and force of the tower crane on the foundation is transmitted to the heavy wharf pile foundation through the placing conversion bracket.

Description

TECHNICAL FIELD

[0001] The utility model relates to construction technical field, concretely relates to a large -scale underframe formula movable arm tower machine underframe rests conversion bracket. BACKGROUND

[0002] The large-tonnage flat car amplitude tower crane technology is continuously mature, has become the mainstream machine type of large -scale electric power engineering boiler steel structure and equipment hoisting, and the traditional large -scale movable arm tower machine invisible abrasion accelerates, and the application scope gradually shrinks.

[0003] For the small and medium-sized scattered equipment during the construction of the coastal power station project, the loading and unloading through the existing heavy piece wharf of the sea cargo ship is one of the important transportation modes. However, since the concrete foundation cannot be made on the heavy piece wharf, the large movable arm amplitude tower crane cannot be fixed on the wharf by using the original embedded anchor bolt, which affects the loading and unloading of the small and medium-sized scattered equipment. Based on this, it is imperative to realize the application of the large-tonnage movable arm amplitude tower crane in the heavy piece wharf of the power station. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving some problems in the prior art. Therefore, one purpose of the utility model is to provide a resting bracket capable of enabling the force distribution of the large movable arm tower machine to the corresponding wharf pile foundation.

[0005] To achieve the above-mentioned purpose, the utility model provides:

[0006] The large-tonnage movable arm tower machine underframe resting conversion bracket comprises a bracket main body, the cross section of the bracket main body is a geometric frame structure, the bracket main body comprises two support beams, two short connecting beams and one long connecting beam, the two support beams are oppositely arranged, the two short connecting beams are oppositely arranged, the two ends of the two support beams are connected with different short connecting beams respectively, the two ends of the two short connecting beams are connected with different support beams respectively, the long connecting beam is connected to the end portions of the two support beams in a diagonal manner, and flanges are arranged at the two end portions of the two support beams.

[0007] Preferably, shear blocks are arranged below the two ends of the support beam.

[0008] Preferably, a plurality of lifting lugs are arranged on the upper surface and / or the side surface of the support beam.

[0009] Preferably, the support beam is composed of steel plates.

[0010] Preferably, the short connecting beam and the long connecting beam are seamless steel pipes.

[0011] Preferably, the two ends of the support beam are wide, and the middle part is thin.

[0012] The utility model has the advantages of:

[0013] The designed large-scale movable arm tower crane chassis is supported on a designed flange structure, and the flange structure is connected with the chassis bottom plate of the movable arm tower crane, and is supported on the wharf operation surface and meets the requirement that the supporting stress points are consistent with the positions of the wharf pile foundation, so that the force of the tower crane on the foundation is transmitted to the heavy cargo wharf pile foundation through the supporting conversion bracket; the large-scale movable arm tower crane can effectively adapt to the arrangement on the heavy cargo wharf, realize the loading and unloading function requirement of small and medium-sized scattered cargos of the berthing wharf, obviously delay the invisible wear of the machinery, obviously improve the reutilization value of the equipment, and save the construction investment.

[0014] The features and advantages of the present application will be described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is the bracket plan view of the present application;

[0016] Fig. 2 is the support beam side view of the present application;

[0017] Fig. 3 is the support beam plan view of the present application.

[0018] Reference signs: 1. bracket main body, 101. support beam, 102. short connecting beam, 103. long connecting beam, 2. flange plate, 3. shear block, 4. lifting lug. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects realized by the present application easy to understand, the following further describes the present application in combination with specific embodiments.

[0020] The exemplary embodiments will be described in detail hereinbelow with reference to the drawings. When the following description refers to the drawings, identical numbers on different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of apparatuses consistent with some aspects of the present application as detailed in the appended claims.

[0021] The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The present application will be described with reference to the accompanying drawings and / or claims and specification as follows.

[0022] Please refer to Figs. 1-3 The large undercarriage type jib tower crane undercarriage resting conversion bracket comprises a bracket main body 1, the cross section of the bracket main body 1 is a geometric frame structure, the bracket main body 1 comprises two support beams 101, two short connecting beams 102 and one long connecting beam 103, the two support beams 101 are oppositely arranged, the two short connecting beams 102 are oppositely arranged, the two ends of the two support beams 101 are respectively connected with different short connecting beams 102, the two ends of the two short connecting beams 102 are respectively connected with different support beams 101, the two support beams 101 and the two short connecting beams 102 form a main body frame, the long connecting beam 103 is obliquely connected at the end of the two support beams 101, the obliquely arranged long connecting beam 103 enhances the load capacity of the bracket main body 1, the two ends of the two support beams 101 are provided with flanges 2, that is, four flanges 2 are arranged on the bracket main body 1, in actual use, the jib tower crane undercarriage is provided with a bottom plate after modification, the bottom plate is used in cooperation with the flanges 2, the bottom plate is provided with through holes corresponding to the flanges 2, so that the support beams 101 and the undercarriage can be connected and fixed through high-strength bolts.

[0023] In order to facilitate the disassembly and assembly of the bracket main body 1, the support beam 101 and the short connecting beam 102, and the support beam 101 and the long connecting beam 103 are locked through the cooperation of the pin shaft and the nut, that is, the support beam 101 and the short connecting beam 102, and the support beam 101 and the long connecting beam 103 are provided with through holes for passing through the pin shaft at the position corresponding place.

[0024] In order to ensure the firmness of the bracket body 1, the support beam 101 and the short connecting beam 102, the support beam 101 and the long connecting beam 103 are fixedly connected through welding.

[0025] Further, the support beam 101 is provided with shear blocks 3 below both ends, and the shear blocks 3 are welded or fixed on the support beam 101 by fasteners. Since both ends of the support beam 101 are the main contact stress points, the shear blocks 3 are arranged at the positions to improve the strength of the support beam 101.

[0026] Further, the support beam 101 is provided with a plurality of lifting lugs 4 on the upper surface and the side surface, and the lifting lugs 4 are connected with the crane to facilitate the transfer of the bracket body 1.

[0027] Further, the support beam 101 is made of steel plates which are spliced together, and the steel plates are made of Q345B material.

[0028] Further, the short connecting beam 102 and the long connecting beam 103 are both seamless steel pipes.

[0029] Further, the support beam 101 is wide at both ends and thin in the middle.

[0030] The utility model discloses a large -scale bottom frame type movable arm tower machine bottom frame rests conversion bracket, and its using method is as follows:

[0031] First, the bracket body 1 is assembled, and the bracket body 1 is transferred to the heavy piece wharf, and a small pit that can accommodate the shear block 3 is dug on the ground of the heavy piece wharf. Then, the tower machine is transferred to the bracket body 1 by adapting the tower machine bottom frame to the bracket body 1, aligning the flange plate 2 and the tower machine bottom frame, and connecting and fixing through high-strength bolts, finally realizing that the force of the tower machine on the foundation is conducted to the wharf force pile foundation through the support beam 101, and realizing the loading and unloading function demand of the small and medium-sized sundries of the berthing wharf.

[0032] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A large undercarriage type boom tower crane undercarriage resting conversion bracket, characterized in that, The bracket body is a geometric frame structure in cross section, and comprises two support beams, two short connecting beams and one long connecting beam.

2. The large undercarriage type boom tower crane undercarriage resting conversion bracket of claim 1, wherein, Shear-resistant blocks are arranged below the two ends of the support beams.

3. The large undercarriage type boom tower crane undercarriage resting conversion bracket of claim 1, wherein, Lifting lugs are arranged on the upper surface and / or side surface of the support beams.

4. The large undercarriage type boom crane undercarriage resting conversion bracket according to any one of claims 1-3, characterized in that, The support beams are formed by steel plate tailor welding.

5. The large undercarriage type boom crane undercarriage resting conversion bracket according to any one of claims 1-3, characterized in that, The short connecting beams and the long connecting beam are seamless steel pipes.

6. The large undercarriage type boom crane undercarriage resting conversion bracket according to any one of claims 1-3, characterized in that, The support beams are wide at the two ends and thin in the middle.

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