A retractable quay crane

Abstract

The present invention provides a retractable quay crane, comprising: an upper crossbeam assembly; a bracket, the upper part and the lower part of the bracket are detachably connected, and the upper crossbeam assembly is detachably connected to the upper part of the bracket. The retractable quay crane according to the embodiment of the present invention can be disassembled, retracted, and lowered its own structural height conveniently and quickly, which is convenient for transportation.

Description

Technical Field

[0001] The present invention relates to the technical field of port transportation, and particularly to a retractable quay crane. Background Art

[0002] A quay crane, also known as a ship-to-shore container crane, is a device used for loading and unloading containers on ships at the shore. Quay crane manufacturers deliver the quay crane by means of whole-machine transportation, and whole-machine transportation has many advantages over assembling after transporting the scattered parts to the dock: whole-machine transportation can make full use of the advantages of the manufacturer's site, technology, personnel, and equipment to complete the installation and commissioning work of the quay crane. All problems can be properly solved at the manufacturer, reducing the manufacturing cycle; after the whole-machine transportation delivers the commissioned quay crane to the dock, it can be put into use immediately, reducing the time occupied by the user's dock for assembly or commissioning, and ensuring the on-time delivery and use of the quay crane. Whole-machine transportation of quay cranes generally uses water transportation, but when encountering obstacles with height restrictions such as bridges and cables, it will affect the transportation and passage. Summary of the Invention

[0003] In view of this, the present invention provides a retractable quay crane, which can be disassembled, retracted, and lowered its own structural height conveniently and quickly for easy transportation.

[0004] To solve the above technical problems, the present invention adopts the following technical solutions:

[0005] The retractable quay crane according to an embodiment of the present invention includes:

[0006] An upper crossbeam assembly;

[0007] A bracket, the upper and lower parts of the bracket are detachably connected, and the upper crossbeam assembly is detachably connected to the upper part of the bracket.

[0008] Further, the bracket includes:

[0009] A plurality of connecting beams;

[0010] A plurality of columns, the plurality of columns are arranged in a matrix, and the plurality of connecting beams are horizontally connected between the lower parts of the plurality of columns, and the upper and lower parts of the columns are detachably connected.

[0011] Further, the column is a rectangular column body.

[0012] Further, the column includes:

[0013] A first column section, and the plurality of connecting beams are horizontally connected between the plurality of first column sections;

[0014] The second column section, which is provided at the top of the first column section. The bottom of the second column section is detachably connected to the top of the first column section, and the upper crossbeam assembly is detachably connected to the top of the second column section.

[0015] Furthermore, flange surfaces are provided at the top of the first column section and the bottom of the second column section, and the top of the first column section and the bottom of the second column section are detachably connected through the flange surfaces.

[0016] Furthermore, a first ear plate is provided on the outer side of the top of the first column section, a second ear plate is provided on the outer side of the bottom of the second column section, and a first pin shaft is inserted between the first ear plate and the second ear plate so that the first column section is hinged to the second column section.

[0017] Furthermore, there is a pair of the first ear plates and a pair of the second ear plates. One pair of the first ear plates are respectively connected to two corner parts on the outer side of the top of the first column section, and one pair of the second ear plates are respectively connected to two corner parts on the outer side of the bottom of the second column.

[0018] Furthermore, a third ear plate is provided on the outer side of the bottom of the first column section, and a fourth ear plate is provided on the outer side of the top of the second column section. When the second column section is hinged to the first column section and turns outwards and droops to attach to the outer side of the first column section, the top of the second column section and the bottom of the first column section are detachably connected by inserting a second pin shaft between the third ear plate and the fourth ear plate.

[0019] Furthermore, there is a pair of the third ear plates and a pair of the fourth ear plates. One pair of the third ear plates are respectively connected to two edges on the outer side of the bottom of the first column section, and one pair of the fourth ear plates are respectively connected to two corner parts on the outer side of the top of the second column.

[0020] Furthermore, one pair of the third ear plates are at the same height, and the distance between the first ear plate and the third ear plate is equal to the distance between the second ear plate and the fourth ear plate.

[0021] At least one of the above technical solutions of the present invention has the following beneficial effects:

[0022] The retractable quay crane according to the embodiment of the present invention includes an upper crossbeam assembly and a support. Among them, the upper part and the lower part of the support are detachably connected, and the upper crossbeam assembly is detachably connected to the upper part of the support, so that the structure of the quay crane itself is easy to disassemble and retract, effectively reducing its own height, occupying a small site area, and being convenient for transportation. Description of the Drawings

[0023] Figure 1Schematic diagram of the background technology structure of the retractable quay crane according to the embodiment of the present invention;

[0024] Figure 2 Schematic diagram of the structure of the retractable quay crane according to the embodiment of the present invention;

[0025] Figure 3 is Figure 2 Enlarged schematic diagram of area A in

[0026] Figure 4 is Figure 2 Enlarged schematic diagram of area B in

[0027] Reference numerals: 100. Upper crossbeam assembly;

[0028] 200. Bracket; 210. Connecting beam; 220. Column; 221. First column section; 222. Second column section; 223. First ear plate; 224. Second ear plate; 225. First pin shaft; 226. Third ear plate; 227. Fourth ear plate; 228. Second pin shaft;

[0029] 300. Flange surface. Detailed implementation manners

[0030] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present invention fall within the scope of protection of the present invention.

[0031] Unless otherwise defined, the technical terms or scientific terms used in the present invention should have the ordinary meanings understood by those of ordinary skill in the art in the field to which the present invention pertains. The "first", "second" and similar terms used in the present invention do not denote any order, quantity or importance, but are only used to distinguish different components. The terms such as "connected" or "coupled" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The terms such as "upper", "lower", "left", "right" are only used to represent relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationship also changes accordingly.

[0032] Figure 1 The structure of a quay crane in the prior art is shown. The quay crane includes a bracket 200 and an upper crossbeam assembly 100 installed on the top of the bracket.

[0033] Next, the retractable quay crane according to the embodiment of the present invention will be specifically described with reference to the accompanying drawings.

[0034] As Figure 2 shown, the retractable quay crane according to an embodiment of the present invention includes: an upper crossbeam assembly 100 and a bracket 200.

[0035] Among them, the upper part and the lower part of the bracket 200 are detachably connected, and the upper crossbeam assembly 100 is detachably connected to the upper part of the bracket 200.

[0036] Specifically, the retractable quay crane according to an embodiment of the present invention includes an upper crossbeam assembly 100 and a bracket 200. Among them, the upper part and the lower part of the bracket 200 are detachably connected, and the upper crossbeam assembly 100 is detachably connected to the upper part of the bracket, so that the structure of the quay crane itself is easy to disassemble and retract, effectively reducing its own height, occupying a small site area, and being convenient for transportation.

[0037] In some embodiments, as Figure 2 shown, the bracket 200 may include: a plurality of connecting beams 210 and a plurality of columns 220.

[0038] Among them, the plurality of columns 220 are arranged in a matrix, and the plurality of connecting beams 210 are horizontally connected between the lower parts of the plurality of columns 220, and the upper part and the lower part of the column 220 are detachably connected.

[0039] That is to say, the bracket 200 is composed of a plurality of columns 220 arranged in a matrix and connecting beams 210 connected between the lower parts of the plurality of columns 220, and the structure is stable; in addition, the detachable connection between the upper part and the lower part of the column 220 can effectively reduce the height of the bracket 200 itself, and is convenient for the retraction, extension and transportation of the bracket 200.

[0040] In some embodiments, as Figure 2 shown, the column 220 may be set as a rectangular column.

[0041] In some embodiments, as Figure 2 shown, the column 220 may include: a first column section 221 and a second column section 222.

[0042] Among them, the plurality of connecting beams 210 are horizontally connected between the plurality of first column sections 221.

[0043] The second column section 222 is provided on the top of the first column section 221, the bottom of the second column section 222 is detachably connected to the top of the first column section 221, and the upper crossbeam assembly 100 is detachably connected to the top of the second column section.

[0044] That is to say, the column 220 is split into a second column section 222 and a first column section 221 that are detachably connected up and down, so that the overall height of the bracket 200 can be reduced during transportation, which is convenient for retraction and extension.

[0045] In some embodiments, flange surfaces 300 are provided at the top of the first column section 221 and the bottom of the second column section 222, and the top of the first column section 221 and the bottom of the second column section 222 are detachably connected through the flange surfaces 300.

[0046] That is to say, the top of the first column section 221 and the bottom of the second column section 222 are detachably connected through the flange surfaces 300, which is stable and reliable.

[0047] In some embodiments, as Figure 2 , 3 shown, a first ear plate 223 is provided on the outer side of the top of the first column section 221, a second ear plate 224 is provided on the outer side of the bottom of the second column section 222, and a first pin shaft 225 is passed through between the first ear plate 223 and the second ear plate 224 to hinge the first column section 221 to the second column section 222.

[0048] That is to say, by providing a first ear plate 223 on the outer side of the top of the first column section 221, a second ear plate 224 on the outer side of the bottom of the second column section 222, and arranging a first pin shaft 225 to pass through the first ear plate 223 and the second ear plate 224 to hinge the top of the first column section 221 to the bottom of the second column section 222. Thus, when disassembling the bracket 200 for easy transportation, the second column section 222 rotates and droops and closely adheres to the outer side of the first column section 221 and then folds together, so that the parts of the bracket 200 are easy to gather and not scattered during disassembly, which is beneficial to subsequent installation and use.

[0049] In some embodiments, there are a pair of first ear plates 223 and a pair of second ear plates 224. The pair of first ear plates 223 are respectively connected to two corner parts on the outer side of the top of the first column section 221, and the pair of second ear plates 224 are respectively connected to two corner parts on the outer side of the bottom of the second column section 222.

[0050] Thereby, the two ends at the junction of the first column section 221 and the second column section 222 are hinged, and the connection is more stable and reliable.

[0051] In some embodiments, as Figure 2 , 4 shown, a third ear plate 226 is provided on the outer side of the bottom of the first column section 221, a fourth ear plate 227 is provided on the outer side of the top of the second column section 222. When the second column section 222 is hinged to the first column section 221 and turns outwards and droops to adhere to the outer side of the first column section 221, a second pin shaft 228 is passed through between the third ear plate 226 and the fourth ear plate 227 to detachably connect the top of the second column section 222 to the bottom of the first column section.

[0052] Thus, after the opposite column 220 is disassembled, when the second column section 222 is hinged to the first column section 221 and turns outwards and droops to attach to the outer side of the first column section 221, the top of the second column section 222 and the bottom of the first column section can be fixed to prevent the second column section 222 from shaking around during the transportation process and reduce the safety risk.

[0053] In some embodiments, there are a pair of third ear plates 226 and a pair of fourth ear plates 227. One pair of third ear plates 226 are respectively connected to two edges at the outer side of the bottom of the first column section 221, and one pair of fourth ear plates 227 are respectively connected to two corners at the outer side of the top of the second column 222.

[0054] Thus, the fixation between the top of the second column section 222 and the bottom of the first column section is more stable.

[0055] In some embodiments, the pair of third ear plates 226 are at the same height, and the distance between the first ear plate 223 and the third ear plate 226 is equal to the distance between the second ear plate 224 and the fourth ear plate 227.

[0056] Thus, when the second column section 222 is hinged to the first column section 221 and turns outwards and droops to attach to the outer side of the first column section 221, the third ear plate 226 is exactly connected and fixed to the fourth ear plate 227.

[0057] The above are the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A retractable quay crane, characterized in that, it includes: an upper crossbeam assembly; a bracket, the upper part and the lower part of the bracket are detachably connected, the upper crossbeam assembly is detachably connected to the upper part of the bracket, the bracket includes a plurality of connecting beams and a plurality of columns, the plurality of columns are arranged in a matrix, and the plurality of connecting beams are horizontally connected between the lower parts of the plurality of columns, and the upper part and the lower part of the column are detachably connected; wherein, the column includes a first column section and a second column section, and the plurality of connecting beams are horizontally connected between the plurality of first column sections; the second column section is arranged on the top of the first column section, the bottom of the second column section is detachably connected to the top of the first column section, the upper crossbeam assembly is detachably connected to the top of the second column section, flange surfaces are provided at the top of the first column section and the bottom of the second column section, and the top of the first column section and the bottom of the second column section are detachably connected through the flange surfaces. A first ear plate is provided on the outside of the top of the first column section, and a second ear plate is provided on the outside of the bottom of the second column section. A first pin shaft is passed through between the first ear plate and the second ear plate so that the first column section is hinged to the second column section. One pair of the first ear plates and the second ear plates are respectively provided. One pair of the first ear plates are respectively connected to two corners on the outside of the top of the first column section, and one pair of the second ear plates are respectively connected to two corners on the outside of the bottom of the second column section. A third ear plate is provided on the outside of the bottom of the first column section, and a fourth ear plate is provided on the outside of the top of the second column section. When the second column section is hinged to the first column section and turns outwards and droops to attach to the outside of the first column section, the top of the second column section and the bottom of the first column section are detachably connected by passing a second pin shaft between the third ear plate and the fourth ear plate. One pair of the third ear plates and the fourth ear plates are respectively provided. One pair of the third ear plates are respectively connected to two edges on the outside of the bottom of the first column section, and one pair of the fourth ear plates are respectively connected to two corners on the outside of the top of the second column. One pair of the third ear plates are at the same height, and the distance between the first ear plate and the third ear plate is equal to the distance between the second ear plate and the fourth ear plate.

2. The retractable quay crane according to claim 1, characterized in that, the column is a rectangular column.

Images