Marine elastic linkage suspension arm shelving device

Abstract

The utility model discloses an elastic linkage lazy arm shelving device for a ship. The elastic linkage lazy arm shelving device comprises a lazy arm shelf, wherein the top of the lazy arm shelf is an expanded shelving groove; a lower pillow is arranged at the inner groove bottom of the expanding type containing groove, side pillows which are symmetrical left and right are arranged on the inner inclined groove wall in a sliding mode, traction ropes are connected between the side pillows and the lower pillow, and elastic hanging pieces are connected to the side pillows in a hanging mode. The lower pillow keeps a distance from the bottom of the inner groove in a normal state when the lifting force provided by the elastic hanging piece is greater than the self weight of the lower pillow; when the suspension arm is placed in, the downward pressure overcomes the lifting force to enable the lower pillow to move downwards, and the pulling force component in the direction of the center line of the suspension arm is applied to the side pillow through the traction rope to drive the side pillow to slide obliquely to clamp the suspension arm. The suspension arm adapts to clamping through mechanical linkage and an elastic suspension structure, and the suspension arm laying stability is improved.

Description

Technical Field

[0001] This utility model belongs to the field of marine electric supply crane technology, and particularly relates to a marine flexible linkage boom support device. Background Technology

[0002] Traditional crane boom mounting devices mostly use rigid clips or manual binding for fixation, which have significant drawbacks: rigid clips rely on preset size matching, making it difficult to adapt to crane booms of different diameters, and stress concentration can easily occur due to rigid contact when the ship is rocking, leading to structural fatigue; manual binding is inefficient, greatly affected by the operator's experience, and is prone to insecure fixing, which can lead to safety accidents. Summary of the Invention

[0003] Purpose of the invention: In order to overcome the shortcomings of the existing technology, this utility model provides a marine elastic linkage boom support device, which realizes the boom's adaptive clamping through mechanical linkage and elastic suspension structure, thereby improving the stability of the boom support.

[0004] Technical solution: To achieve the above objectives, the present invention provides a marine elastic linkage crane arm support device, which includes a crane arm support frame with an expandable support groove at the top; a lower support is provided at the bottom of the inner groove of the expandable support groove, and symmetrical side supports are slidably provided on the inner inclined groove wall; a pulling rope is connected between the side supports and the lower support, and an elastic lifting component is suspended on the side supports.

[0005] The lower pillow, with its elastic suspension providing a lifting force greater than its own weight, maintains a distance from the bottom of the inner groove under normal conditions.

[0006] When the boom is inserted, the downward pressure overcomes the lifting force, causing the lower bolster to move downward. The pulling rope applies a tensile component towards the centerline of the boom to the side bolster, driving the side bolster to tilt and slide down to clamp the boom.

[0007] Furthermore, the lower pillow has a sliding through-expansion groove bottom that extends into the lifting guide column of the boom bracket to vertically guide the lifting of the lower pillow.

[0008] Furthermore, the inner inclined groove wall of the expanded type groove is provided with a guide rail to guide the side pillow to slide up and down along the wall surface.

[0009] Furthermore, the expansion groove has a top plate at the groove end, the side pillow is elastically suspended on the top plate by an elastic hanger, and the guide rail is disposed between the top plate and the bottom of the inner groove.

[0010] Furthermore, the elastic lifting element includes a spring.

[0011] Furthermore, the inner inclined groove wall of the expanded groove is provided with a guide wheel that guides the pulling rope.

[0012] Furthermore, the pillow surfaces of the lower pillow and the side pillow are respectively covered with vibration damping pads.

[0013] Furthermore, a reinforcing rib is provided on the outer side of the expanded shelf, and the connecting part of the reinforcing rib extends from the outer side of the expanded shelf to the top area of ​​the boom bracket, and the expanded shelf, boom bracket and reinforcing rib are welded together.

[0014] Furthermore, the bottom of the boom rack is provided with feet.

[0015] Furthermore, ladder ribs are provided on the side of the boom bracket.

[0016] Beneficial effects: When the boom is inserted, the lower bolster is triggered to move downward, and the side bolster is slid through the linkage of the pull rope, so as to realize the adaptive clamping of the boom, improve the clamping efficiency and boom stability. Moreover, the mechanical linkage between the pull rope and the elastic lifting component replaces the traditional hydraulic or electric clamping method, reducing the failure rate and maintenance cost. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the boom support device.

[0019] Figure 3 This is a schematic diagram of a half-section of the top of the boom support device. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings.

[0021] like Figure 1 and Figure 2 As shown, a marine elastic linkage boom support device includes a boom support frame 2 with an expandable support groove 3 at the top; a lower support 5 is provided at the bottom of the inner groove of the expandable support groove 3, and symmetrical side supports 6 are slidably arranged on the inner inclined groove wall. A pull rope 9 connects the side supports 6 and the lower support 5, and an elastic lifting element 8 is suspended on the side supports 6; the lifting force provided by the elastic lifting element 8 to the lower support 5 is greater than its own weight, and it maintains a distance from the bottom of the inner groove under normal conditions; when the boom 1 is inserted, the downward pressure overcomes the lifting force, causing the lower support 5 to move downward, and the pull rope 9 applies a tensile force component towards the center line of the boom to the side supports 6, driving the side supports 6 to tilt and slide down to clamp the boom 1. This utility model triggers the lower support 5 to move downward when the boom 1 is inserted, and the pull rope 9 links the sliding of the side supports 6 to achieve adaptive clamping of the boom 1, improving clamping efficiency and boom stability. Moreover, the mechanical linkage between the pull rope 9 and the elastic lifting element 8 replaces the traditional hydraulic or electric clamping method, reducing the failure rate and maintenance cost.

[0022] like Figure 3As shown, the lower bolster 5 has a sliding guide post 13 that extends into the bottom of the expansion-type trough 3 and into the boom support 2, which vertically guides the lifting and lowering of the lower bolster 5. The guide post 13 restricts the lower bolster 5 to move only in the vertical direction, preventing lateral deviation that would cause uneven force on the traction rope 9. Moreover, the sliding fit between the guide post 9 and the bottom of the trough enhances the lower bolster 5's ability to resist the torsional moment caused by ship turbulence.

[0023] More specifically, the bottom of the inner groove of the expanded groove 3 is provided with a guide hole 15 corresponding to the guide post 13, and the guide post 9 passes through the guide hole 15.

[0024] like Figure 2 As shown, the inner inclined groove wall of the expanded type support groove 3 is provided with a guide rail 12 to guide the side pillow 6 to slide up and down along the wall surface. The guide rail 12 forces the side pillow 6 to move along a preset inclined path, ensuring that the clamping force direction always points to the center line of the boom 1, and the sliding surface of the guide rail 12 and the side pillow 6 cooperate to reduce frictional resistance and extend service life.

[0025] The expansion groove 3 has a top plate 7 at its groove opening. The side pillow 6 is elastically suspended on the top plate 7 by an elastic hanger 8. The guide rail 12 is located between the top plate 7 and the bottom of the inner groove. Preferably, the elastic hanger 8 includes a spring. Of course, the elastic hanger 8 can also be other elastic structural components.

[0026] The inner inclined groove wall of the expanded type support groove 3 is provided with a guide wheel 11 that guides the pull rope 9. The guide wheel 11 changes the direction of the pull rope 9 so that the force direction of the side pillow 6 is consistent with the inclination direction of the guide rail 12.

[0027] The pillow surfaces of the lower pillow 5 and the side pillow 6 are respectively covered with vibration damping pads 16, which are vulcanized rubber layers with a Shore hardness of 50-60A.

[0028] The outer side of the expanded joist 3 is provided with a reinforcing rib 14, which distributes the clamping force to the overall structure of the boom support 1, avoiding stress concentration that could lead to cracking. The connection part of the reinforcing rib 14 extends from the outer side of the expanded joist 3 to the top area of ​​the boom support 2, and the expanded joist 3, the boom support 2, and the reinforcing rib 14 are welded together to improve the overall structural integrity and resist metal fatigue caused by long-term vibration of the ship.

[0029] The bottom of the boom support 2 is provided with feet 4, which expand the support surface to prevent the device from sliding or overturning on the deck. The side of the boom support 2 is provided with ladder ribs 10, which provide a safe climbing path for maintenance personnel and comply with the safety regulations for ship equipment.

[0030] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A marine flexible linkage crane arm support device, characterized in that: The bracket (2) includes an expansion groove (3) at the top; the bottom of the expansion groove (3) is provided with a lower pillow (5), and the inner inclined groove wall is provided with symmetrical side pillows (6). The side pillows (6) and the lower pillow (5) are connected by a pulling rope (9), and the side pillows (6) are suspended by elastic hanging parts (8). The lifting force provided by the lower pillow (5) through the elastic suspension (8) is greater than its own weight, and it maintains a distance from the bottom of the inner groove under normal conditions; When the boom (1) is inserted, the downward pressure overcomes the lifting force and causes the lower pillow (5) to move down. The pulling rope (9) applies a pulling force component towards the center line of the boom to the side pillow (6), driving the side pillow (6) to tilt and slide down to clamp the boom (1).

2. The marine elastic linkage boom support device according to claim 1, characterized in that: The lower pillow (5) has a sliding through-expansion type groove (3) with a lifting guide column (13) extending into the bottom of the boom bracket (2) to vertically guide the lifting of the lower pillow (5).

3. The marine flexible linkage crane arm support device according to claim 1, characterized in that: The inner inclined groove wall of the expanded type groove (3) is provided with a guide rail (12) to guide the side pillow (6) to slide up and down along the wall surface.

4. The marine flexible linkage crane arm support device according to claim 3, characterized in that: The expansion groove (3) has a top plate (7) at the groove end, the side pillow (6) is elastically suspended on the top plate (7) by an elastic hanger (8), and the guide rail (12) is located between the top plate (7) and the bottom of the inner groove.

5. The marine flexible linkage boom support device according to claim 1 or 4, characterized in that: The elastic suspension element (8) includes a spring.

6. The marine flexible linkage crane arm support device according to claim 1, characterized in that: The inner inclined groove wall of the expanded groove (3) is provided with a guide wheel (11) that guides the pulling rope (9).

7. The marine flexible linkage boom support device according to claim 1, characterized in that: The pillow surfaces of the lower pillow (5) and the side pillow (6) are respectively covered with shock-absorbing pads (16).

8. The marine flexible linkage crane arm support device according to claim 1, characterized in that: The outer side of the expanded shelf (3) is provided with a reinforcing rib plate (14), and the connecting part of the reinforcing rib plate (14) extends from the outer side of the expanded shelf (3) to the top area of ​​the boom bracket (2), and the expanded shelf (3), the boom bracket (2) and the reinforcing rib plate (14) are welded together.

9. The marine flexible linkage crane arm support device according to claim 1, characterized in that: The bottom of the boom support (2) is provided with feet (4).

10. The marine elastic linkage boom support device according to claim 1, characterized in that: The side of the boom support (2) is provided with ladder ribs (10).

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