Bridge crane marker

Abstract

The application provides a bridge crane marker, which comprises a support frame, the support frame is used to be installed on a lifting appliance of a bridge crane, an A-shaped marker frame is installed on the support frame, the A-shaped marker frame comprises a first marker plate and a second marker plate, the first marker plate and the second marker plate are hinged through a rotating shaft, two groups of connecting pieces are arranged, the two groups of connecting pieces are respectively hinged with the first marker plate and the second marker plate, the support frame is fixedly connected with the connecting pieces through bolts, the included angle between the first marker plate and the second marker plate can be adjusted through the rotating shaft, so that the distance between the two connecting pieces is adjusted, the second circular hole on the A-shaped marker frame can be accurately aligned with the first circular hole under the condition that the first circular hole on the support frame is not moved, so that the A-shaped marker frame and the support frame can be fixed conveniently, and the adaptation degree of the A-shaped marker frame and the support frame is improved.

Description

Technical Field

[0001] This application relates to the field of bridge cranes, and more particularly to a bridge crane marker. Background Technology

[0002] Nowadays, gantry cranes are equipped with sway detection equipment and anti-sway devices. The sway detection equipment detects the angle of the spreader's sway, and the anti-sway device controls the angle of the spreader, thereby improving the stability of the container handling process and increasing operational efficiency.

[0003] like Figure 1 As shown, the sway detection device includes a marker 100 installed on the spreader and a scanner 10 installed on the bottom wall of the gantry crane. The scanning area of ​​the scanner 10 is illuminated on the marker 100, and the distance between the scanner 10 and the marker 100 is detected to determine whether the spreader is swaying.

[0004] Among them, such as Figure 2 As shown, the sign 100 includes a support frame 1 fixedly installed on the lifting device and an A-type sign frame 2 fixedly installed on the top of the support frame 1; wherein, the A-type sign frame 2 is an integral unit. When the sign 100 is installed, a first round hole 11 for bolt insertion is provided on the support frame 1, and a second round hole 21 is provided on the A-type sign frame 2. The first round hole 11 and the second round hole 12 need to be aligned, and then the support frame 1 and the A-type sign frame 2 are fixed by bolts. Because the spreader vibrates when unloading containers, the A-type sign frame 2 and the support frame 1 cannot be welded together, otherwise the welds may come detached. During installation, the A-type sign frame 2 requires two people to lift it onto the top of the support frame 1, affecting the operator's work. The first round hole 11 and the second round hole 21 are on the support frame 1 and the A-type sign frame 2 respectively. During installation, it is difficult to align the first round hole 11 and the second round hole 21, affecting the installation of the A-type sign frame 2. It is worth noting that one of the first round hole 11 or the second round hole 12 cannot be a slotted hole; otherwise, after fixing the support frame 1 and the A-type sign frame 2 with bolts, the vibration of the spreader will force the bolts to withstand significant shearing force, leading to frequent maintenance of the sign 100.

[0005] Therefore, how to design a sign that facilitates the installation of the A-type sign frame on the support frame has become a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0006] This application provides a crane marker to at least solve the above-mentioned technical problems existing in the prior art.

[0007] A bridge crane marker is provided, including a support frame for mounting on the spreader of the bridge crane; A-type sign frame, the A-type sign frame is installed on the support frame; The type A sign frame includes a first sign plate and a second sign plate, which are hinged together by a rotating shaft. The connector is provided in two sets, and the two sets of connectors are respectively hinged to the first sign plate and the second sign plate; The support frame is fixedly connected to the connector by bolts.

[0008] In one embodiment, a first connecting seat is fixedly connected to both the first and second sign plates, and a second connecting seat is provided on the connecting member, with the first connecting seat and the second connecting seat hinged together.

[0009] In one embodiment, the connector is L-shaped and has a second circular hole.

[0010] In one embodiment, a horizontally placed support crossbar is provided on the support frame, and a first round hole is provided on the support crossbar. When the A-type sign frame is installed, the second round hole of the connector is aligned with the first round hole on the support crossbar, and the bolt passes through the first round hole and the second round hole.

[0011] In one embodiment, the connector includes a first connecting plate and a second connecting plate, a second connecting seat is disposed on the first connecting plate, a second circular hole is disposed on the second connecting plate, and the second connecting plate is horizontally placed and fits against the top wall of the support frame.

[0012] In one embodiment, the support crossbar is provided with a mounting groove, a first circular hole communicates with the mounting groove, and a nut is provided in the mounting groove. The bolt and the nut are threadedly connected to fix the connecting piece and the support crossbar.

[0013] Compared with the prior art, the crane marker proposed in this application has the following advantages: This application improves the structure of the A-type sign frame by using a rotating shaft to hinge the first and second sign plates, allowing the A-type sign frame to be folded, making it easier to move the A-type sign frame to the top of the support frame and facilitating the operation of workers. During the installation of the A-type sign frame, the angle between the first and second sign plates can be adjusted by rotating the shaft, thereby adjusting the distance between the two connecting parts. With the first round hole on the support frame stationary, the second round hole on the A-type sign frame can be precisely aligned with the first round hole, which facilitates the fixing of the A-type sign frame to the support frame and improves the compatibility between the A-type sign frame and the support frame.

[0014] It should be understood that the description in this section is not intended to identify key or essential features of the embodiments of this application, nor is it intended to limit the scope of this application. Other features of this application will become readily apparent from the following description. Attached Figure Description

[0015] The above and other objects, features, and advantages of exemplary embodiments of this application will become readily apparent from the following detailed description taken in conjunction with the accompanying drawings. Several embodiments of this application are illustrated in the drawings by way of example and not limitation, in which: In the accompanying drawings, the same or corresponding reference numerals indicate the same or corresponding parts.

[0016] Figure 1 A first structural schematic diagram of the prior art is shown; Figure 2 A schematic diagram of a second structure in the prior art is shown; Figure 3 A schematic diagram of the overall structure of this application is shown; Figure 4 A schematic diagram of the unfolded state of this application is shown; Figure 5 A cross-sectional view of this application is shown; Figure 6 A schematic diagram of the installation of the Type A sign frame of this application is shown.

[0017] Explanation of the labels in the diagram: 10. Scanner; 100. Signage; 1. Support frame; 11. First circular hole; 12. Support crossbar; 121. Mounting slot; 2. Type A sign frame; 21. Second circular hole; 22. First sign plate; 23. Second sign plate; 24. Rotating shaft; 25. First connecting seat; 3. Connecting component; 31. Second connecting seat; 32. First connecting plate; 33. Second connecting plate; 4. Bolt; 5. Nut. Detailed Implementation

[0018] To make the objectives, features, and advantages of this application more apparent and understandable, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0019] Existing sway detection equipment is installed on gantry cranes or bridge cranes at ports and docks using a combination of markers 100 and scanners 10 to detect the sway amplitude of the spreader. When used in conjunction with anti-sway devices, the sway detection equipment reduces the sway amplitude of the spreader, mitigates the risk of container damage, and improves the efficiency of container loading and unloading.

[0020] In the prior art, the marker 100 is fixedly installed above the spreader, and the scanner 10 is installed on the trolley of the gantry crane. The cable on the trolley can realize the lifting and lowering of the spreader. Specifically, after the scanner 10 is turned on, it can detect the distance between the marker 100 and the scanner 10 in real time. The coordinated use of multiple scanners 10 and markers 100 can accurately detect whether the spreader is swaying. Thus, the central control unit reduces the swing amplitude of the spreader through the anti-sway device, thereby improving the safety of container lifting.

[0021] Specifically, such as Figure 2 As shown, the existing marker 100 includes a support frame 1 and an A-type marker frame 2 installed on top of the support frame 1. The support frame 1 includes two columns fixedly installed on the top wall of the hanger and extending vertically upward, thereby pushing the A-type marker frame 2 to the highest point of the hanger and preventing obstacles around the A-type marker frame 2 from affecting the scanner 10's detection of the hanger's position.

[0022] In the existing technology, the A-type sign frame 2 is an integral unit, requiring two people to lift the A-type sign frame 2 to the top of the support frame 1, and then fix the A-type sign frame 2 to the support frame 1.

[0023] The support frame 1 and the A-type sign frame 2 are fixed with bolts. Each support frame 1 and A-type sign frame 2 on the lifting device is configured as a set. When one of the components is damaged, it is difficult to replace the component, or after replacement, the A-type sign frame 2 and the support frame 1 are not compatible.

[0024] Specifically, such as Figure 2 As shown, the support frame 1 is provided with a first round hole 11, and the A-type sign frame 2 is provided with a second round hole 21. When the A-type sign frame 2 is installed, the first round hole 11 and the second round hole 21 need to be aligned so that the bolts can pass through, thereby fixing the A-type sign frame 2 and the support frame 1.

[0025] Since the first round hole 11 on the support frame 1 and the second round hole 21 on the A-type sign frame 2 are both independently opened, when the support frame 1 or the A-type sign frame 2 is replaced, there will be a problem that the first round hole 11 and the second round hole 21 cannot be accurately aligned, which will cause the bolts to be unable to pass through smoothly, thus affecting the assembly of the sign 100.

[0026] It is worth noting that the existing technology abandons the technical solution of welding the A-type sign frame 2 to the support frame 1. When the container is lifted by the spreader, the vibration of the spreader will be transmitted to the A-type sign frame 2 through the support frame 1 when the container falls to the ground. After a long period of use, the weld between the A-type sign frame 2 and the support frame 1 will break, thus affecting the service life of the sign 100.

[0027] To facilitate the assembly of the support frame 1 and the A-type sign frame 2, although one or both of the first round hole 11 and the second round hole 21 can be changed to oblong holes for the installation of the A-type sign frame 2, this installation method still has problems. The spreader is subject to frequent vibration in the environment of lifting containers. Although changing one of them to an oblong hole facilitates the installation of bolts, there is a risk of relative displacement between the A-type sign frame 2 and the support frame 1. This will generate a large shear force on the bolts, which may easily lead to a series of problems such as bolt loosening or breakage.

[0028] This application makes adjustments to address the aforementioned issues of raising the A-type sign frame 2 onto the support frame 1 and the installation of the A-type sign frame 2.

[0029] Specifically, such as Figure 3 and Figure 4 As shown, the A-type sign frame 2 includes a first sign plate 22 and a second sign plate 23. The first sign plate 22 and the second sign plate 23 are connected at one edge and hinged by a rotating shaft 24. At this time, the first sign plate 22 and the second sign plate 23 can rotate around the rotating shaft 24, so that the A-type sign frame 2 can form a V-shaped structure at different angles. It is worth noting that when the A-type sign frame 2 is installed on the support frame 1, the opening of the A-type sign frame 2 faces downward.

[0030] The first circular hole 11 is provided on the support frame 1, and the axis of the first circular hole 11 extends in the vertical direction. It is worth noting that the axis of the first circular hole 11 is consistent with the axis of the column.

[0031] Specifically, the support frame 1 also includes a horizontally placed support crossbar 12, wherein a first circular hole 11 is provided on the support crossbar 12.

[0032] The support frame 1 is provided with four first circular holes 11, which are located at the four vertices of the rectangle.

[0033] The distance between the first circular holes 11 will not change.

[0034] In order to install the A-type sign frame 2 on the support frame 1, such as Figure 3 and Figure 4 As shown, it also includes a connector 3, wherein there are two sets of connector 3, and the two connectors 3 are respectively hinged to the first sign plate 22 and the second sign plate 23. The axis of the connector 3 hinged to the A-type sign frame 2 is parallel to the axis of the rotation shaft 24.

[0035] Furthermore, such as Figure 4As shown, both the first sign plate 22 and the second sign plate 23 are provided with a first connecting seat 25, and the connecting member 3 is provided with a second connecting seat 31. The connecting member 3 is hinged to the first connecting seat 25 through the second connecting seat 31.

[0036] Specifically, such as Figure 4 and Figure 5 As shown, the connector 3 is L-shaped and includes a first connecting plate 32 and a second connecting plate 33. The first connecting plate 32 and the second connecting plate 33 are integrally formed by bending. The first connecting plate 32 and the second connecting plate 33 are perpendicular to each other. The second connecting seat 31 is disposed on the first connecting plate 32, and the second round hole 21 is disposed on the second connecting plate 33. The second connecting plate 33 is placed horizontally and is attached to the top wall of the support crossbar 12.

[0037] In order to fix the connector 3 to the support crossbar 12, in this embodiment, as follows: Figure 5 and Figure 6 As shown, it also includes bolt 4 and nut 5. When installing the A-type sign frame 2, the second round hole 21 is aligned with the first round hole 11. At this time, bolt 4 passes through the first round hole 11 and the second round hole 21. Then, nut 5 is threaded to bolt 4, thereby fixing the connecting part 3 to the support crossbar 12.

[0038] Because the working environment of the lifting equipment is relatively harsh, in order to reduce the corrosion of the nut 5 by the environment and the loss of the nut 5, in this embodiment, the support crossbar 12 is provided with a mounting groove 121 connected by a first round hole 11. The bolt 4 passes through the second round hole 21 and the first round hole 11 and extends into the mounting groove 121. The nut 5 is located in the mounting groove 121 and is threadedly connected to the bolt 4.

[0039] The A-type sign frame 2 is installed as follows: the first sign plate 22 and the second sign plate 23 rotate around the rotating shaft 24 and fit together, reducing the volume of the A-type sign frame 2 and facilitating single-person operation. The A-type sign frame 2 is then lifted onto the support frame 1. The first sign plate 22 and the second sign plate 23 are then unfolded around the rotating shaft 24. The second round hole 21 of one side of the connecting piece 3 is aligned with the first round hole 11 on the support crossbar 12. The bolt 4 is inserted inward to initially fix the connecting piece 3 to the support frame 1. Then, the other side of the connecting piece 3 is pushed, aligning the second round hole 21 on the other connecting piece 3 with the other first round hole 11. The bolt 4 is then inserted. Figure 6 As shown, at this time, the first sign plate 22 and the second sign plate 23 form a V-shape with the opening facing downwards.

[0040] It is worth noting that when replacing the A-type sign frame 2 in this application, it is not necessary to consider the distance between the two second round holes 21 on the A-type sign frame 2. When the A-type sign frame 2 is installed, the position of the connecting parts 3 on both sides can be adjusted, which can facilitate the installation of the A-type sign frame 2 and improve the compatibility between the A-type sign frame 2 and the support frame 1.

[0041] It should be understood that the various forms of processes shown above can be used to rearrange, add, or delete steps. For example, the steps described in this disclosure can be executed in parallel, sequentially, or in different orders, as long as the desired result of the technical solution disclosed in this application can be achieved, and this is not limited herein.

[0042] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0043] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A bridge crane marker, characterized in that, include: Support frame (1), the support frame (1) is used to be installed on the lifting device of the bridge crane; Type A sign frame (2), Type A sign frame (2) is installed on support frame (1); The A-type sign frame (2) includes a first sign plate (22) and a second sign plate (23), which are hinged together by a rotating shaft (24); Connector (3), there are two sets of connector (3), and the two sets of connector (3) are respectively hinged to the first sign plate (22) and the second sign plate (23); The support frame (1) is fixedly connected to the connector (3) by bolts (4).

2. The crane marker according to claim 1, characterized in that, A first connecting seat (25) is fixedly connected to both the first sign plate (22) and the second sign plate (23), and a second connecting seat (31) is provided on the connecting piece (3). The first connecting seat (25) and the second connecting seat (31) are hinged together.

3. A crane marker according to claim 1 or 2, characterized in that, The connector (3) is L-shaped and has a second round hole (21).

4. A bridge crane marker according to claim 3, characterized in that, A horizontally placed support crossbar (12) is provided on the support frame (1). A first round hole (11) is provided on the support crossbar (12). When the A-type sign frame (2) is installed, the second round hole (21) of the connector (3) is aligned with the first round hole (11) on the support crossbar (12). The bolt (4) passes through the first round hole (11) and the second round hole (21).

5. A bridge crane marker according to claim 3, characterized in that, The connector (3) includes a first connecting plate (32) and a second connecting plate (33). The second connecting seat (31) is disposed on the first connecting plate (32), and the second round hole (21) is disposed on the second connecting plate (33). The second connecting plate (33) is placed horizontally and fits against the top wall of the support frame (1).

6. A bridge crane marker according to claim 4, characterized in that, The support crossbar (12) is provided with a mounting groove (121), the first round hole (11) is connected to the mounting groove (121), and also includes a nut (5) provided in the mounting groove (121). The bolt (4) is threadedly connected to the nut (5) for fixing the connector (3) and the support crossbar (12).

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