A shore-based crane trolley maritime fixture and method

Abstract

The application discloses a quay crane trolley sea transportation fixing device and method, relates to the crane ocean transportation technical field, and solves the problems of large work load and high use cost of the existing quay crane trolley sea transportation fixing tool, and facilitates use, and the specific scheme is as follows: including first fixing plates fixedly installed on both sides of the trolley and first lifting lugs fixedly and obliquely installed at four corners of the trolley, one second lifting lug is detachably installed on each first fixing plate, the first lifting lug and the second lifting lug are one-to-one corresponding, the second lifting lug and the adjacent first lifting lug are connected through an adjustable length jacking rod, the jacking rod is detachably connected between the first lifting lug and the second lifting lug, and the four jacking rods apply obliquely downward jacking forces to the central position from the four corners of the trolley.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of crane ocean transportation technology, in particular to a shore-to-ship crane trolley marine fixed device and method. BACKGROUND

[0002] In the process of transporting the shore-to-ship crane to the destination by ship, the trolley on the shore-to-ship crane needs to be bundled and fixed to ensure the safety of transportation. The traditional bundling method usually welds a clamping plate on the main beam to stop the wheels, or uses bolts and shear blocks to connect the support to the main beam, and then welds a stop plate on the support to block the wheels.

[0003] The method of welding a clamping plate on the main beam requires a large amount of welding work, and after arriving at the destination, the clamping plate needs to be cut off and the paint needs to be restored, which greatly increases the transportation cost. Although the method of connecting the support to the main beam reduces the welding and removal workload, the tooling cannot be reused, resulting in resource waste, and the space between the trolley of the shore-to-ship crane and the main beam is compact, so the method of installing the support on the main beam is easily affected by the space, resulting in a high difficulty in the construction process. SUMMARY

[0004] In view of the deficiencies of the prior art, the purpose of the present application is to provide a shore-to-ship crane trolley marine fixed device and method, which uses four jacking rods to apply a downward and oblique jacking force from the four corners of the trolley to the center position, effectively limiting the position of the trolley, and the jacking rod and the first and second lifting lugs are detachably connected, eliminating the welding operation, and solving the problems of large workload and high use cost of the existing shore-to-ship crane marine fixed tooling.

[0005] In order to achieve the above-mentioned purpose, the present application is realized by the following technical scheme:

[0006] In a first aspect, the present application provides a shore-to-ship crane trolley marine fixed device, comprising first fixed plates fixedly installed on the shore-to-ship main beams on both sides of the trolley and first lifting lugs fixedly installed at the four corners of the trolley, one second lifting lug is detachably installed on each first fixed plate, the first lifting lug corresponds to the second lifting lug, the second lifting lug and the adjacent first lifting lug are connected by a length-adjustable jacking rod, the jacking rod is detachably connected with the first and second lifting lugs, and the four jacking rods apply a downward and oblique jacking force from the four corners of the trolley to the center position.

[0007] As a further implementation, the second lifting lug is higher than the first lifting lug, and the first lifting lug is located within the area enclosed by the four second lifting lugs.

[0008] As a further implementation, the second lifting lug is fixedly installed at the center position of the second fixed plate, and the second fixed plate is connected with the first fixed plate by bolts.

[0009] As a further implementation manner, a plurality of threaded holes are arranged on the first fixing plate at intervals along the circumferential direction, and a plurality of mounting holes matching the threaded holes are arranged on the second fixing plate, the mounting holes being waist hole structures with an arc.

[0010] As a further implementation manner, the mounting holes are curved towards the center of the second fixing plate, and the second lifting lugs are located in the area enclosed by the mounting holes.

[0011] As a further implementation manner, the jacking rod is composed of a bidirectional screw rod and ear plates threadedly connected to both ends of the bidirectional screw rod, the threads at both ends of the bidirectional screw rod are opposite in rotation direction, and each ear plate is detachably mounted with a fixing shaft for connecting the lifting lug.

[0012] As a further implementation manner, the hole center lines of the first lifting lug and the second lifting lug are located in the plane formed by rotating the axis center line of the corresponding fixing shaft around the axis line of the bidirectional screw rod.

[0013] As a further implementation manner, a stiffening rib is fixedly installed at the position where the first fixing plate is installed on the shore-to-ship crane girder.

[0014] In a second aspect, the application provides a use method of the shore-to-ship crane trolley sea transport fixing device, which is specifically as follows.

[0015] The first fixing plate is fixed on the shore-to-ship crane girder on both sides of the trolley, and the first lifting lug is obliquely fixed on the top of the four corners of the trolley.

[0016] The trolley is moved so that the first lifting lug is located in the area enclosed by the four first fixing plates.

[0017] The second fixing plate is installed and the angle of the second fixing plate is adjusted, and then the adjacent first lifting lug and second lifting lug are connected by the jacking rod.

[0018] The lengths of the jacking rods at the four corners of the trolley are adjusted, and the four jacking rods apply obliquely downward jacking force from the four corners of the trolley to the central position of the trolley.

[0019] After sea transport to the destination, the jacking rods and the second fixing plate are removed in sequence.

[0020] As a further implementation manner, the second lifting lug and the second fixing plate are prefabricated as a whole, and the second fixing plate is connected to the first fixing plate by screw connection.

[0021] The beneficial effects of the application are as follows.

[0022] (1) The present application utilizes four top pressing rods to apply obliquely downward pressing force from the four corners of the trolley to the center position, effectively limiting the position of the trolley, and the top pressing rod and the first lifting lug, the second lifting lug and the first fixed plate are detachably connected, eliminating the welding operation, reducing the influence of the construction space, reducing the construction difficulty, improving the construction efficiency, without cutting and maintenance after reaching the destination, and can be reused, greatly reducing the use cost.

[0023] (2) The second fixed plate is provided with a waist hole structure with an arc, which can adjust the angle of the second fixed plate according to the demand, and then adjust the inclination angle of the second lifting lug on the second fixed plate, effectively reducing the influence of the processing error on the use of the device, and improving the adaptability of the whole device.

[0024] (3) The first lifting lug and the second lifting lug are inclined and arranged, and the hole center line of the first lifting lug and the second lifting lug is located in the plane formed by the rotation of the shaft center line of the corresponding fixed shaft around the double screw shaft axis, effectively ensuring that the top pressing rod can be connected with the first lifting lug and the second lifting lug at any angle in the inclined state, and the top pressing rod has the ability of adjustable length, strong adaptability, can quickly provide obliquely downward pressing force for the trolley, the device structure is simple, and convenient to use.

[0025] (4) The second lifting lug and the second fixed plate are prefabricated as an integral structure, eliminating the welding work at the construction site, reducing the construction process, not affected by the working space, reducing the construction difficulty, and greatly improving the construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0026] The drawings accompanying the specification of the present application form a part thereof, serve to provide further understanding of the present application, and together with the description, explain the present application. The description and illustrations of the exemplary embodiments of the present application serve to explain the present application, and do not constitute an improper limitation of the present application.

[0027] Figure 1 is a front view structural schematic diagram of a trolley sea transport fixing device according to one or more embodiments of the present application;

[0028] Figure 2 is a side view structural schematic diagram of a trolley sea transport fixing device according to one or more embodiments of the present application (without showing the top pressing rod);

[0029] Figure 3 is a top view structural schematic diagram of a trolley sea transport fixing device according to one or more embodiments of the present application;

[0030] Figure 4 is a structural schematic diagram of a first fixed plate according to one or more embodiments of the present application;

[0031] Figure 5is a structural schematic view of the second fixing plate according to one or more embodiments of the present application;

[0032] Figure 6 is a structural schematic view of the jacking rod according to one or more embodiments of the present application;

[0033] Figure 7 is another view of the jacking rod according to one or more embodiments of the present application;

[0034] Figure 8 is an enlarged schematic view of the connecting structure of the first fixing plate and the second fixing plate according to one or more embodiments of the present application;

[0035] In the figure: the mutual distance or size is exaggerated for showing the position of each part, and the schematic view is only for illustration;

[0036] In the figure: the mutual distance or size is exaggerated for showing the position of each part, and the schematic view is only for illustration; DETAILED DESCRIPTION

[0037] It should be noted that the following detailed description is exemplary and is intended to provide further explanation 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 this application belongs.

[0038] As introduced in the background, the existing method of welding the clamping plate on the main beam needs a large amount of welding work, and after reaching the destination, the clamping plate needs to be cut off and the paint needs to be restored, which greatly increases the transportation cost. Although the method of connecting the main beam by the support reduces the welding and removal work, the tooling cannot be reused, causing resource waste, and the space between the trolley of the shore crane and the main beam is compact, so the method of installing the support on the main beam is easily affected by the space, resulting in a high difficulty in the construction process. In order to solve the above technical problems, the present application provides a shore crane trolley sea transportation fixing device and method.

[0039] Example 1

[0040] In a typical embodiment of the present application, as Figures 1-7As shown, a shore crane trolley sea freight fixing device is provided, comprising first fixing plates 3 fixedly installed on both sides of the shore crane girder 1 and first lifting lugs 5 fixedly installed at four corners of the trolley 2, each first fixing plate 3 is detachably provided with a second lifting lug 6, the first lifting lug 5 corresponds to the second lifting lug 6, and each second lifting lug 6 is connected with the adjacent first lifting lug 5 through an adjustable length tightening rod 7, so as to apply a downward inclined tightening force from the four corners of the trolley 2 to the center position of the trolley 2 through the four tightening rods 7, so as to tighten the trolley 2 on the track, and then constrain the spatial movement of the trolley 2.

[0041] Among them, four first fixing plates 3 are fixedly installed on the shore crane girder 1 by welding, two first fixing plates 3 are fixedly installed on each shore crane girder 1, and the trolley 2 is located in the area enclosed by the four first fixing plates 3.

[0042] In order to improve the strength of the first fixing plate 3, a stiffening rib 8 is also fixed on the shore crane girder 1, and the stiffening rib 8 is fixedly installed on the shore crane girder 1 at the position where the first fixing plate 3 is provided by welding.

[0043] A plurality of threaded holes 31 are arranged on the first fixing plate 3 along the circumferential direction, which are used for the installation of bolts. In this embodiment, the first fixing plate 3 is a rhombic structure, and a threaded hole 31 is arranged at each of the four corners thereof.

[0044] The second fixing plate 4 is a structure with the same shape as the first fixing plate 3. In this embodiment, the second fixing plate 4 is also a rhombic structure. A plurality of mounting holes 41 are arranged on the second fixing plate 4 along the circumferential direction, and the mounting holes 41 correspond to the threaded holes 31 one by one, so that the first fixing plate 3 and the second fixing plate 4 can be detachably connected together by bolts.

[0045] As shown in Figure 5 The mounting hole 41 is a waist hole structure with an arc, and the mounting hole 41 is curved towards the center of the second fixing plate 4, so that the second fixing plate 4 can adjust the angle (i.e. the angle of rotation of the second fixing plate 4 around the shaft) according to the needs during installation, so as to reduce the influence of processing errors on the use of tooling.

[0046] The second lifting lug 6 is fixedly installed at the center position of the second fixing plate 4 by welding, and the second lifting lug 6 is located in the area enclosed by the mounting hole 41. When the second fixing plate 4 is fixedly installed on the first fixing plate 3, the second lifting lug 6 has a set included angle with the horizontal plane.

[0047] It can be understood that the second lifting lug 6 and the second fixing plate 4 are prefabricated and welded as a whole in the factory, avoiding welding at the construction site, so as to reduce the construction process and construction difficulty.

[0048] The first lifting lug 5 is fixedly installed on the top of the four corners of the trolley 2 by welding, and is located in the area surrounded by the four second lifting lugs 6. The height of the first lifting lug 5 is lower than that of the second lifting lug 6. The adjacent first lifting lug 5 and second lifting lug 6 are connected by the jacking rod 7, so that a downward and oblique jacking force can be applied from the four corners of the trolley 2 to the central position, to prevent the trolley from moving in the vertical and horizontal directions.

[0049] The first lifting lug 5 is obliquely arranged. The hole center lines of the first lifting lug 5 and the second lifting lug 6 are located in the plane formed by the rotation of the axis center line of the corresponding fixed shaft 73 around the axis of the bidirectional screw rod 71, to ensure that the jacking rod 7 is in a downward and oblique state when in use, and to enable the jacking rod 7 to be connected with the first lifting lug 5 and the second lifting lug 6 at any angle in an inclined state.

[0050] Since the mounting hole 41 on the second fixed plate 4 is a waist hole with an arc, the angle of the second fixed plate 4 can be adjusted according to the needs, and the inclination angle of the second lifting lug 6 can be adjusted, to avoid the influence of the machining error on the connection between the first lifting lug 5 and the second lifting lug 6.

[0051] As shown in Figures 6-7 The jacking rod 7 is composed of a bidirectional screw rod 71, an ear plate 72 and a fixed shaft 73. The two ends of the bidirectional screw rod 71 are threadedly connected with an ear plate 72, for connection with the first lifting lug 5 and the second lifting lug 6. The fixed shaft 73 is detachably installed on the ear plate 72, and can be used to fixedly connect the ear plate 72 and the corresponding lifting lug together.

[0052] The two ends of the bidirectional screw rod 71 have threads with opposite rotation directions, so that the distance between the two ear plates 72 at the two ends of the bidirectional screw rod 71 can be changed by rotating the bidirectional screw rod 71, and the overall length of the jacking rod 7 can be changed, to improve the adaptability of the overall fixing device.

[0053] In this embodiment, the first fixed plate 3 and the second fixed plate 4, and the jacking rod 7 and the first lifting lug 5 and the second lifting lug 6 at the two ends thereof are detachably connected. The welding operation is cancelled during use, greatly reducing the operation difficulty and being less affected by the working space.

[0054] Since the first fixed plate 3 and the second fixed plate 4, and the jacking rod 7 and the first lifting lug 5 and the second lifting lug 6 at the two ends thereof are detachably connected, the second fixed plate 4 and the second lifting lug 6 as a whole and the jacking rod 7 can be removed after reaching the destination, facilitating repeated use and greatly reducing the use cost. At the same time, the fixedly installed first fixed plate 3 and first lifting lug 5 do not affect the work of the trolley 2, and do not need to be removed, greatly reducing the difficulty of removal, avoiding restoration and maintenance, and reducing the maintenance cost.

[0055] Embodiment 2

[0056] In another typical embodiment of the present application, a method for using a shore-to-ship fixing device of a shore-to-ship container crane is provided, which comprises the following steps:

[0057] The first fixing plate 3 is welded and fixed on the shore-to-ship main girder 1 on both sides of the trolley 2, and the first lifting lug 5 is obliquely welded and fixed on the top of the four corners of the trolley 2.

[0058] The trolley 2 is moved so that the first lifting lug 5 is located in the area enclosed by the four first fixing plates 3.

[0059] After the trolley 2 is moved into position, the second fixing plate 4 provided with the second lifting lug 6 is connected with the corresponding first fixing plate 3 by means of bolt connection, so that one second fixing plate 4 is installed on each first fixing plate 3.

[0060] It can be understood that the second lifting lug 6 and the second fixing plate 4 are an integral structure prefabricated in the factory, so as to cancel the welding process at the construction site and reduce the construction process and construction difficulty.

[0061] The angle of the second fixing plate 4 is adjusted so that the center lines of the holes of the first lifting lug 5 and the second lifting lug 6 are located in the plane formed by the rotation of the shaft center line of the corresponding fixing shaft 73 around the axis of the bidirectional screw rod 71, and then the adjacent first lifting lug 5 and second lifting lug 6 are connected by means of the jacking rod 7.

[0062] The lengths of the jacking rods 7 at the four corners of the trolley 2 are adjusted respectively, and the four jacking rods 7 are used to apply a downward oblique jacking force from the four corners of the trolley 2 to the central position, so as to limit the movement of the trolley 2.

[0063] After arriving at the destination, the jacking rods 7 are removed first, and then the second fixing plate 4 is separated from the first fixing plate 3, so as to cancel the limitation on the trolley 2.

[0064] In this embodiment, the limiting operation of the trolley 2 is simple, and there is no welding process, which avoids cutting and maintenance after welding, greatly reduces the construction difficulty and maintenance cost, and the fixing device can be disassembled and reused, effectively saving the use cost.

[0065] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A quay crane trolley maritime transport fixing device, characterized in that, It includes a first fixing plate fixedly installed on the main beam of the quay bridge on both sides of the trolley and a first lifting lug fixedly installed at the four corners of the trolley at an angle. Each first fixing plate is detachably installed with a second lifting lug. The first lifting lug and the second lifting lug correspond one-to-one. The second lifting lug is connected to the adjacent first lifting lug by a tensioning rod of adjustable length. The tensioning rod is detachably connected to the first lifting lug and the second lifting lug. The four tensioning rods apply a downward tensioning force from the four corners of the trolley to its center position. The second lifting lug is fixedly installed at the center of the second fixing plate, and the second fixing plate is connected to the first fixing plate by bolts; the first fixing plate is provided with a number of threaded holes spaced apart along its circumference, and the second fixing plate is provided with a number of mounting holes that match the threaded holes, and the mounting holes are curved waist holes. The mounting hole is bent toward the center of the second fixed plate, and the second lifting lug is located within the area enclosed by the mounting hole; The clamping rod consists of a double-ended lead screw and ear plates threaded to both ends of the double-ended lead screw. The threads at both ends of the double-ended lead screw rotate in opposite directions. Each ear plate is detachably fitted with a fixed shaft for connecting the lifting lug. The center lines of the holes of the first lifting lug and the second lifting lug are located in the plane formed by the rotation of the center line of the corresponding fixed shaft around the axis of the bidirectional lead screw; The second lifting lug and the second fixing plate are prefabricated as one piece.

2. The quay crane trolley marine anchoring device according to claim 1, characterized in that, The second lug is higher than the first lug, and the first lug is located within the area enclosed by the four second lugs.

3. The quay crane trolley maritime anchoring device according to claim 1, characterized in that, A stiffening rib is also fixedly installed at the location where the first fixing plate is installed on the main beam of the quay bridge.

4. A method of using a quay crane trolley marine anchoring device as described in any one of claims 1-3, characterized in that, Specifically as follows: The first fixing plate is fixed to the main beam of the quay bridge on both sides of the trolley, and the first lifting lug is fixed at an angle to the top of the four corners of the trolley; The trolley is moved so that the first lifting lug is located within the area enclosed by the four first fixed plates; Install the second fixing plate and adjust its angle, then use the tightening rod to connect the adjacent first and second lifting lugs; Adjust the length of the clamping rods at the four corners of the trolley respectively, and use the four clamping rods to apply a downward clamping force from the four corners of the trolley to its center; After arriving at the destination by sea, the top clamping rod and the second fixing plate are removed in sequence.

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