Marine cargo crane with guide wheels convenient to maintain

Abstract

The utility model discloses a marine cargo crane with a guide wheel convenient to maintain, which comprises a pivot support shell, a suspension arm is arranged on the pivot support shell, a movable wheel is arranged on the suspension arm, and a steel rope is arranged on the movable wheel; a lifting hook is arranged on the steel cable, a fixing shell is further arranged on the pivot supporting shell, a guide assembly is arranged on the fixing shell, the steel cable is connected to the guide assembly, the guide assembly comprises two sets of limiting round blocks, and the limiting round blocks are connected with the fixing shell. A plurality of groups of module guide wheels are arranged between the two groups of limiting round blocks, and the two groups of limiting round blocks clamp and position the plurality of groups of module guide wheels on the fixed shell; the cargo crane for the ship has the beneficial effects that the maintenance process is greatly simplified, the maintenance efficiency is improved, the maintenance cost is reduced, and the downtime of the cargo crane caused by maintenance is reduced, so that the overall use performance and the economic benefit of the cargo crane for the ship are improved.

Description

Technical Field

[0001] The utility model relates to a ship cargo crane with a guide wheel which is convenient for maintenance. Background Art

[0002] In existing lifting machinery, especially ship cargo lifting equipment, guide components play a vital role in guiding ropes, cables or chains when lifting or lowering cargo. These guide components usually include guide wheels, which realize their guiding function by cooperating with the connection structure. However, there are problems with traditional guide components. For example, when maintaining or replacing the guide wheels, due to the complexity of the connection structure, the staff usually need to spend a lot of time and labor, which increases the maintenance cost and downtime. In view of this, the utility model proposes a ship cargo crane with a guide wheel that is easy to maintain to solve the above problems. Utility Model Content

[0003] The utility model aims to provide a ship cargo crane with a guide wheel that is easy to maintain, so as to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A ship cargo crane with a guide wheel that is easy to maintain, comprising a central support housing, a suspension arm disposed on the central support housing, a movable wheel disposed on the suspension arm, and a steel cable disposed on the movable wheel;

[0006] A hook is provided on the steel cable, and a fixed shell is also provided on the central support shell. A guide assembly is provided on the fixed shell. The steel cable is connected to the guide assembly. The guide assembly includes two groups of limiting round blocks. The limiting round blocks are connected to the fixed shell. Multiple groups of module guide wheels are provided between the two groups of limiting round blocks. The two groups of limiting round blocks clamp the multiple groups of module guide wheels and position them on the fixed shell.

[0007] As an improvement of the above technical solution, a winding wheel is arranged in the central support shell, the steel cable is connected to the winding wheel through a guide assembly, and the winding wheel is driven to rotate by a hydraulic system.

[0008] As an improvement of the above technical solution, the guide assembly further includes a connecting column, a plurality of groups of module guide wheels and two groups of limit round blocks are sleeved on the connecting column, and a connecting rod is provided through the connecting column;

[0009] The connecting rod is rotatably connected to the connecting column, and both ends of the connecting rod are respectively connected to the fixed shell.

[0010] As an improvement of the above technical solution, four groups of protrusions are evenly arranged on the connecting column, the module guide wheel is provided with a module through hole, and the limiting round block is provided with a limiting through hole;

[0011] The module through holes and the limit through holes are both matched with the four groups of protrusions.

[0012] As an improvement of the above technical solution, the protrusion is provided with a plurality of groups of protrusion connection holes;

[0013] The limiting circular block is provided with a limiting connection hole, the position and size of the limiting connection hole match the raised connection hole, and the limiting connection hole and the raised connection hole are connected by a hexagon socket cylindrical screw.

[0014] As an improvement of the above technical solution, a module connecting hole is provided on the module guide wheel, the module connecting hole matches the position and size of the raised connecting hole, and the module connecting hole and the raised connecting hole are connected by a hexagon socket cylindrical screw.

[0015] As an improvement of the above technical solution, the module connection hole and the limit connection hole are both provided with placement grooves, and the placement grooves are used to place the heads of the hexagon socket cylindrical screws.

[0016] As an improvement of the above technical solution, a connecting block is provided in the module connecting hole, the connecting block is placed in the hexagonal hole of the hexagonal cylindrical screw, and an arc block is provided on the connecting block, and the arc block matches the groove of the module guide wheel.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] When the guide assembly of the cargo crane needs to be maintained, the restrictions on multiple sets of module guide wheels can be removed by removing the limit round block, and then the damaged module guide wheels can be replaced;

[0019] The guide assembly is designed to include two sets of limit circles and multiple sets of module guide wheels. The two sets of limit circles are connected to the fixed shell and clamp the multiple sets of module guide wheels to be positioned on the fixed shell, thereby ensuring the guidance and positioning of the steel cable during the lifting process. When the guide assembly needs maintenance, the limit circles can be simply removed to release the restriction on the module guide wheels, so that the damaged module guide wheels can be easily replaced without disassembling the entire cargo crane structure. This design greatly simplifies the maintenance process, improves maintenance efficiency, reduces maintenance costs, and reduces the downtime of the cargo crane due to maintenance, thereby improving the overall performance and economic benefits of the ship cargo crane. In addition, since the connection method between the central support shell and the boom adopts the existing technology, this embodiment is mainly optimized for the maintenance convenience of the guide wheels, so it can be easily integrated with the existing cargo crane system, and has good compatibility and universality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 3 This is a schematic diagram of the structure of the guide assembly of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the connecting column of the utility model;

[0024] Figure 5 It is a front view of the guide assembly of the utility model;

[0025] Figure 6 For this utility model Figure 5 Cross-sectional view of the middle BB;

[0026] Figure 7 For this utility model Figure 6 Schematic diagram of the enlarged structure at C in the middle;

[0027] Figure 8 This is a schematic diagram of the structure of the arc block of the utility model;

[0028] Fig. 9 This is a schematic diagram of the structure of the module guide wheel of the utility model;

[0029] Fig.10 This is a schematic diagram of the structure of the limiting circular block of the utility model;

[0030] Fig.11 It is a schematic diagram of the structure of a hexagon socket cylindrical screw in the prior art.

[0031] In the figure: 10, central support shell; 11, fixed shell; 12, winding wheel; 20, boom; 21, movable wheel; 30, hook; 40, guide assembly; 41, connecting column; 411, connecting rod; 412, raised portion; 413, raised connecting hole; 42, module guide wheel; 421, module connecting hole; 422, module through hole; 43, limiting circular block; 431, limiting connecting hole; 432, limiting through hole; 44, placement slot; 45, connecting block; 46, arc block; 50, steel cable. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Example:

[0034] like Figure 1-11 As shown, this embodiment provides a ship cargo crane with a guide wheel that is easy to maintain, comprising a central support housing 10, a boom 20 is provided on the central support housing 10, a movable wheel 21 is provided on the boom 20, and a steel cable 50 is provided on the movable wheel 21;

[0035] A hook 30 is provided on the steel cable 50, and a fixed shell 11 is also provided on the central support shell 10. A guide assembly 40 is provided on the fixed shell 11. The steel cable 50 is connected to the guide assembly 40. The guide assembly 40 includes two groups of limiting circles 43. The limiting circles 43 are connected to the fixed shell 11. Multiple groups of module guide wheels 42 are provided between the two groups of limiting circles 43. The two groups of limiting circles 43 clamp the multiple groups of module guide wheels 42 and position them on the fixed shell 11.

[0036] In this case, the connection method between the central support shell 10 and the suspension arm 20 is a prior art and will not be described in detail here.

[0037] In this embodiment, when the guide assembly 40 needs to be maintained on the cargo crane, the restriction on the multiple sets of module guide wheels 42 is released by removing the limit round block 43, and then the damaged module guide wheel 42 can be replaced;

[0038] The guide assembly 40 is designed to include two groups of limit round blocks 43 and multiple groups of module guide wheels 42. The two groups of limit round blocks 43 are connected to the fixed shell 11 and clamp the multiple groups of module guide wheels 42 to be positioned on the fixed shell 11, thereby ensuring the guidance and positioning of the steel cable 50 during the lifting process. When the guide assembly 40 needs maintenance, the limit round blocks 43 can be simply removed to release the restriction on the module guide wheels 42, so that the damaged module guide wheels 42 can be easily replaced without disassembling the entire cargo crane structure. This design greatly simplifies the maintenance process, improves maintenance efficiency, reduces maintenance costs, and reduces the downtime of the cargo crane due to maintenance, thereby improving the overall performance and economic benefits of the ship cargo crane. In addition, since the connection method between the central support shell 10 and the boom 20 adopts the existing technology, this embodiment is mainly optimized for the maintenance convenience of the guide wheel, so it can be easily integrated with the existing cargo crane system, and has good compatibility and universality.

[0039] Specifically, a reel 12 is disposed in the central support housing 10 , and the steel cable 50 is connected to the reel 12 via a guide assembly 40 . The reel 12 is driven to rotate by a hydraulic system.

[0040] In the present case, when the hydraulic system drives the winding wheel 12 to rotate, the hydraulic pump draws oil from the oil tank, increases the oil pressure, and then delivers it to the hydraulic motor. The high-pressure oil drives the piston or rotor of the hydraulic motor to rotate, generating power, which is transmitted to the winding wheel 12 to rotate it, so as to wind or release the steel cable 50, etc. The control valve can adjust the flow and pressure of the hydraulic oil, thereby controlling the speed and torque of the winding wheel 12. The used hydraulic oil will flow back into the oil tank and be recycled.

[0041] In this embodiment, the winding wheel 12 can be arranged to facilitate winding or releasing the steel cable 50 and to facilitate lifting or lowering the hook 30.

[0042] Specifically, the guide assembly 40 further includes a connecting column 41, a plurality of groups of module guide wheels 42 and two groups of limiting round blocks 43 are sleeved on the connecting column 41, and a connecting rod 411 is penetrated through the connecting column 41;

[0043] The connecting rod 411 is rotatably connected to the connecting column 41 , and both ends of the connecting rod 411 are respectively connected to the fixed housing 11 .

[0044] In this embodiment, the connection rod 411 is provided to facilitate the connection column 41 to rotate, thereby facilitating the module guide wheel 42 to rotate.

[0045] Specifically, the connecting column 41 is evenly provided with four groups of protrusions 412, the module guide wheel 42 is provided with a module through hole 422, and the limiting round block 43 is provided with a limiting through hole 432;

[0046] The module through holes 422 and the limiting through holes 432 are both adapted to the four groups of protrusions 412 .

[0047] In this embodiment, the matching design of the protrusion 412, the module through hole 422, and the limiting through hole 432 ensures the correct position of the module guide wheel 42 and the limiting round block 43 on the connecting column 41, thereby achieving accurate alignment between the components and ensuring the integration accuracy and operation accuracy of the guide assembly 40;

[0048] The matching of the protrusion 412 with the module through hole 422 and the limit through hole 432 not only facilitates assembly, but also stabilizes the position of the components during operation, reduces displacement caused by vibration or impact, and improves the stability and reliability of the device;

[0049] The standardized design of the protrusion 412 and the module through hole 422 and the limit through hole 432 increases the interchangeability of the module guide wheel 42 and the limit round block 43, facilitating inventory management and the versatility of replacement parts.

[0050] Specifically, the protruding portion 412 is provided with a plurality of groups of protruding connection holes 413;

[0051] The limiting circular block 43 is provided with a limiting connection hole 431 , the position and size of the limiting connection hole 431 match the raised connection hole 413 , and the limiting connection hole 431 and the raised connection hole 413 are connected by a hexagon socket cylindrical screw.

[0052] In this embodiment, the hexagon socket cylindrical screw can facilitate the positioning of the limiting circular block 43.

[0053] Specifically, the module guide wheel 42 is provided with a module connection hole 421 , the module connection hole 421 matches the raised connection hole 413 in position and size, and the module connection hole 421 is connected to the raised connection hole 413 via a hexagon socket cylindrical screw.

[0054] In this embodiment, the module guide wheel 42 can be easily positioned by means of the provided hexagon socket cylindrical screw.

[0055] Specifically, the module connection hole 421 and the limit connection hole 431 are both provided with a placement groove 44 , and the placement groove 44 is used to place the head of the hexagon socket cylindrical screw.

[0056] Specifically, a connecting block 45 is provided in the module connecting hole 421 , and the connecting block 45 is placed in the hexagonal hole of the hexagonal cylindrical screw. An arc block 46 is provided on the connecting block 45 , and the arc block 46 matches the groove of the module guide wheel 42 .

[0057] In this embodiment, the arc block 46 can keep the groove of the module guide wheel 42 smooth, thereby preventing excessive raised contact points from causing wear to the steel cable 50.

[0058] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ship cargo crane with a guide wheel that is easy to maintain, characterized in that: It comprises a central support housing (10), a suspension arm (20) is arranged on the central support housing (10), a movable wheel (21) is arranged on the suspension arm (20), and a steel cable (50) is arranged on the movable wheel (21); The steel cable (50) is provided with a hook (30), the central support shell (10) is further provided with a fixed shell (11), the fixed shell (11) is provided with a guide assembly (40), the steel cable (50) is connected to the guide assembly (40), the guide assembly (40) comprises two groups of limiting round blocks (43), the limiting round blocks (43) are connected to the fixed shell (11), a plurality of groups of module guide wheels (42) are provided between the two groups of limiting round blocks (43), and the two groups of limiting round blocks (43) clamp the plurality of groups of module guide wheels (42) and position them on the fixed shell (11).

2. A ship cargo crane with guide wheels for easy maintenance according to claim 1, characterized in that: A reel (12) is disposed in the central support housing (10); the steel cable (50) is connected to the reel (12) via a guide assembly (40); and the reel (12) is driven to rotate by a hydraulic system.

3. A ship cargo crane with guide wheels for easy maintenance according to claim 1, characterized in that: The guide assembly (40) further comprises a connecting column (41), a plurality of sets of module guide wheels (42) and two sets of limiting round blocks (43) are sleeved on the connecting column (41), and a connecting rod (411) is provided through the connecting column (41); The connecting rod (411) is rotatably connected to the connecting column (41), and both ends of the connecting rod (411) are respectively connected to the fixed housing (11).

4. A ship cargo crane with guide wheels for easy maintenance according to claim 3, characterized in that: The connecting column (41) is evenly provided with four groups of protrusions (412), the module guide wheel (42) is provided with a module through hole (422), and the limiting round block (43) is provided with a limiting through hole (432); The module through holes (422) and the limiting through holes (432) are both compatible with the four groups of raised portions (412).

5. A ship cargo crane with guide wheels for easy maintenance according to claim 4, characterized in that: The raised portion (412) is provided with a plurality of groups of raised connection holes (413); The limiting circular block (43) is provided with a limiting connection hole (431), the limiting connection hole (431) matches the raised connection hole (413) in position and size, and the limiting connection hole (431) is connected to the raised connection hole (413) via a hexagon socket cylindrical screw.

6. The ship cargo crane with guide wheels for easy maintenance according to claim 5, characterized in that: The module guide wheel (42) is provided with a module connection hole (421), the module connection hole (421) matches the raised connection hole (413) in position and size, and the module connection hole (421) is connected to the raised connection hole (413) via a hexagon socket cylindrical screw.

7. A ship cargo crane with guide wheels for easy maintenance according to claim 6, characterized in that: The module connection hole (421) and the limit connection hole (431) are both provided with a placement groove (44), and the placement groove (44) is used to place the head of the hexagon socket cylindrical screw.

8. The ship cargo crane with guide wheels for easy maintenance according to claim 7, characterized in that: A connecting block (45) is arranged in the module connecting hole (421), the connecting block (45) is placed in the hexagonal hole of the hexagonal cylindrical screw, and an arc block (46) is arranged on the connecting block (45), the arc block (46) matches the groove of the module guide wheel (42).

Images