Boarding ladder fixing device for wharf

By designing an adjustable boarding ladder fixing device, the cooperation of the support unit and the blocking unit, the problems of slow placement of the boarding ladder and damage to the dock are solved, achieving rapid and stable fixation and safe use of the boarding ladder.

CN223253220UActive Publication Date: 2025-08-22SHANGHAI EMINENT ENTERPRISE DEV
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Patent Information

Application Number
CN202422343767.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2025-08-22
Estimated Expiration
2034-09-24

AI Technical Summary

Technical Problem

The existing boarding ladders are placed at a slow speed on the pier, which can easily cause damage to the pier and increase the risk of pedestrians falling when shaking.

Method used

A fixing device including a support unit, a first blocking unit, a bracket unit and a second blocking unit is designed. The adjustable bracket unit cooperates with the wheel guard to stabilize the boarding ladder, and the support unit supports and reduces the sliding speed, and the blocking unit is used to fix the boarding ladder position.

Benefits of technology

It improves the efficiency of boarding ladders, avoids damage to the wharf, reduces the risk of pedestrians falling, and achieves rapid and stable fixation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a boarding ladder fixing device for a wharf. The boarding ladder fixing device comprises a supporting unit, two first blocking units, a support unit and a second blocking unit. The device has the advantages that the support unit and the second blocking unit are matched to stably fix the supporting unit on the wheel protection ridge; the boarding ladder is supported by the supporting unit, and the sliding speed of the boarding ladder is reduced so as to reduce the impact force of the boarding ladder on the first blocking unit; the first blocking unit is used for blocking the boarding ladder from sliding, then the boarding ladder is fixed, the fixing mode is simple, the position of the boarding ladder can be rapidly stabilized, the placing efficiency of the boarding ladder is improved, and meanwhile the situation that the boarding ladder slides relative to a wharf to damage the wharf is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of boarding ladders, in particular to a boarding ladder fixing device used for docks. Background Art

[0002] As the primary location for ships to berth and load and unload cargo, the completeness and reliability of dock facilities are directly related to the efficiency and safety of ship operations. Within dock facilities, boarding ladders serve as a crucial auxiliary device, connecting docks and ships for the safe transfer of personnel and cargo.

[0003] Currently, when ships dock, boarding ladders are installed directly on the dock. Due to the uncertain location of the ladder, it is difficult to install it securely on the dock, which in turn affects the efficiency of the ladder's placement. Furthermore, due to the influence of waves and other factors, the ladder will sway with the hull, not only posing a safety hazard to those boarding and disembarking, but the end of the ladder can also slide on the dock, causing damage to the dock and even the cables buried there. Furthermore, the swaying of the ladder can make it unstable for those boarding and disembarking, increasing the risk of falls.

[0004] In view of the problems in related technologies such as slow installation speed of the boarding ladder, easy damage to the dock caused by the boarding ladder, and easy fall of pedestrians due to the shaking of the boarding ladder, no effective solution has been proposed yet. Utility Model Content

[0005] The purpose of the utility model is to address the deficiencies in the existing technology and provide a boarding ladder fixing device for a dock, so as to solve the problems existing in the related technology such as slow boarding ladder placement speed, easy damage to the dock caused by the boarding ladder, and easy fall of pedestrians caused by the shaking of the boarding ladder.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A boarding ladder fixing device for a dock, comprising:

[0008] a support unit, the support unit being arranged horizontally and being slidably connected to the boarding ladder;

[0009] two first blocking units, the two first blocking units being symmetrically arranged at the first end of the support unit, and being used to prevent the end of the boarding ladder from sliding out of the support unit;

[0010] a bracket unit, wherein the bottom end of the bracket unit is connected to the second end of the support unit and is detachably connected to the wheel guard;

[0011] The second blocking unit is rotatably connected to the top end of the bracket unit and is used to prevent the bracket unit from sliding out of the wheel guard.

[0012] In some embodiments, the support unit includes:

[0013] a supporting element, the supporting element being arranged horizontally, the first end of the supporting element being provided with two first blocking units, the second end of the supporting element being connected to the bottom end of the bracket unit, and being used to support the boarding ladder;

[0014] Two sliding elements are symmetrically arranged on both sides of the supporting element and are respectively slidably connected to the boarding ladder.

[0015] In some embodiments, the support unit further comprises:

[0016] At least two buffer elements are provided at the ends of the sliding element for buffering the force acting on the ends of the boarding ladder.

[0017] In some embodiments, the support unit further comprises:

[0018] A plurality of first gripping elements are symmetrically arranged on both sides of the supporting element and are used for gripping when the supporting element is moved.

[0019] In some embodiments, the first blocking unit includes:

[0020] a first blocking element, the first blocking element being disposed on a side of a first end of the support unit and connected to the support unit, and being configured to prevent the boarding ladder from sliding out of the support unit;

[0021] a longitudinal fixing element, the longitudinal fixing element being provided at a side portion of the first end of the supporting unit and being connected to the first blocking element and the supporting unit, respectively, for fixing the first blocking element;

[0022] An oblique fixing element is respectively connected to the first blocking element, the longitudinal fixing element, and the supporting unit, and is used to fix the first blocking element.

[0023] In some embodiments, the support unit includes:

[0024] a longitudinal support plate element, the bottom end of which is connected to the second end of the support unit and is used to be mounted on the side of the wheel guard sill;

[0025] a first transverse support plate element, wherein a first end of the first transverse support plate element is connected to a top end of the longitudinal support plate element and is removably disposed on a top end of the wheel guard sill;

[0026] a first rotating element, the first rotating element being disposed at the second end of the first transverse support element and being rotatably connected to the second blocking unit;

[0027] two limiting elements, the two limiting elements being symmetrically arranged on both sides of the second end of the first transverse support element, and being used to limit the position of the second blocking unit;

[0028] Two first locking elements are respectively slidably disposed on the corresponding limiting elements and are respectively locked and connected to the second blocking unit to lock the position of the second blocking unit.

[0029] In some embodiments, the bracket unit further comprises:

[0030] a second transverse brace element, wherein a first end of the second transverse brace element is connected to a top end of the longitudinal brace element, and a second end of the second transverse brace element is slidably connected to the first end of the first transverse brace element, and is used to adjust a position of the first transverse brace element to accommodate wheel guard sills of different widths;

[0031] Two first base elements, the two first base elements are symmetrically arranged on both sides of the second transverse support plate element;

[0032] Two driving elements, the two driving elements are respectively arranged on the corresponding first base elements, and are respectively connected to the corresponding limiting elements, for driving the limiting elements to drive the first transverse support plate element and the second transverse support plate element to slide relative to each other and lock the relative positions of the first transverse support plate element and the second transverse support plate element.

[0033] In some embodiments, the second blocking unit includes:

[0034] a second blocking element, the second blocking element being rotatably disposed on a top end of the bracket unit and being used to prevent the bracket unit from sliding out of the wheel guard sill;

[0035] a second rotating element, the second rotating element being disposed at a first end of the second blocking element and being rotatably connected to the bracket unit;

[0036] Two second locking elements are symmetrically arranged at the first end of the second blocking element and are respectively locked and connected to the bracket unit to lock the position of the second blocking element.

[0037] In some embodiments, the second blocking unit further comprises:

[0038] Two second gripping elements are symmetrically arranged on both sides of the second blocking element and are used for gripping when the second blocking element is rotated.

[0039] In some embodiments, the boarding ladder fixing device further comprises:

[0040] A plurality of movable units are arranged at intervals at the bottom end of the supporting unit and can be hidden in the supporting unit, and are used to move the supporting unit during installation.

[0041] In some embodiments, the support unit further comprises:

[0042] a plurality of chamber elements, wherein the plurality of chamber elements are distributed at the bottom end of the supporting unit and are respectively connected to the plurality of moving units;

[0043] A plurality of third locking elements are respectively arranged at the ends of the corresponding chamber elements and are respectively connected to the moving units.

[0044] In some embodiments, the mobile unit includes:

[0045] a second base element, the second base element being disposed at a bottom end of the support unit;

[0046] a third rotating element, wherein a top end of the third rotating element is rotatably connected to the second base element;

[0047] a fourth rotating element, the fourth rotating element being rotatably disposed at a bottom end of the third rotating element;

[0048] a moving element, the moving element being rotatably connected to the fourth rotating element and configured to move the supporting unit;

[0049] A fourth locking element is provided at an end portion of the fourth rotating element and is connected to the supporting unit, and is used to lock the position of the moving element.

[0050] The present invention adopts the above technical solution, and compared with the prior art, has the following technical effects:

[0051] The utility model relates to a boarding ladder fixing device for a dock, the bracket unit adopts an adjustable design, the width of the bracket unit can be adjusted, and the second blocking unit can be cooperated with the second blocking unit to be stably fixed on the wheel guard; the support unit is used to support the boarding ladder and reduce the sliding speed of the boarding ladder to reduce the impact force of the boarding ladder on the first blocking unit; the first blocking unit is used to block the boarding ladder from continuing to slide along the support unit, and then fix the boarding ladder, the fixing method is simple, can quickly stabilize the position of the boarding ladder, improves the efficiency of placing the boarding ladder, and solves the problem of slow placement speed of the boarding ladder; at the same time, it avoids the damage to the dock caused by the relative sliding of the boarding ladder and the dock, and solves the problem that the boarding ladder is easy to damage the dock; a plurality of movable units can be hidden in the support unit, which not only makes it convenient to move the support unit and saves manpower; and the movable unit can be hidden at the bottom of the support unit when it is not needed to move, thereby avoiding the movable unit shaking together when supporting the boarding ladder and failing to stabilize the boarding ladder. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] Figure 1 1 is a schematic diagram of a boarding ladder fixing device according to an embodiment of the present invention (I);

[0053] Figure 2 is a schematic diagram of a support unit according to an embodiment of the present utility model (1);

[0054] Figure 3 is a schematic diagram of a first blocking unit according to an embodiment of the present utility model;

[0055] Figure 4 1 is a schematic diagram of a bracket unit according to an embodiment of the present invention;

[0056] Figure 5 is a schematic diagram of a second blocking unit according to an embodiment of the present utility model;

[0057] Figure 6 2 is a schematic diagram of a bracket unit according to an embodiment of the present invention;

[0058] Figure 7 Schematic diagram (2) of a boarding ladder fixing device according to an embodiment of the present utility model;

[0059] Figure 8 is a schematic diagram of a support unit according to an embodiment of the present utility model (II);

[0060] Figure 9 is a schematic diagram of a mobile unit according to an embodiment of the present utility model (1);

[0061] Figure 10 2 is a schematic diagram of a mobile unit according to an embodiment of the present invention.

[0062] The accompanying drawings are as follows:

[0063] 10. Support unit; 11. Support element; 12. Sliding element; 13. Buffer element; 14. First grip element; 15. Chamber element; 16. Third locking element;

[0064] 20. First blocking unit; 21. First blocking element; 22. Longitudinal fixing element; 23. Oblique fixing element;

[0065] 30. Bracket unit; 31. Longitudinal support plate element; 32. First transverse support plate element; 33. First rotating element; 34. Limiting element; 35. First locking element; 36. Second transverse support plate element; 37. First base element; 38. Driving element;

[0066] 40. Second blocking unit; 41. Second blocking element; 42. Second rotating element; 43. Second locking element; 44. Second gripping element;

[0067] 50. Moving unit; 51. Second base element; 52. Third rotating element; 53. Fourth rotating element; 54. Moving element; 55. Fourth locking element. DETAILED DESCRIPTION

[0068] In order to make the purpose, technical solutions and advantages of this application more clearly understood, the present application is described and illustrated below in conjunction with the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application. Based on the embodiments provided in this application, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope of protection of this application.

[0069] Obviously, the drawings described below are merely examples or embodiments of the present application. Those skilled in the art can, without inventive effort, apply the present application to other similar scenarios based on these drawings. Furthermore, it is also understood that, although the effort involved in such a development process may be complex and lengthy, for those skilled in the art related to the content disclosed in this application, changes in design, manufacturing, or production based on the technical content disclosed in this application are merely conventional technical means and should not be construed as an insufficiency of the content disclosed in this application.

[0070] References to "embodiments" in this application mean that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it refer to independent or alternative embodiments that are mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described in this application may be combined with other embodiments unless there is a conflict.

[0071] Unless otherwise defined, the technical or scientific terms used in this application should have the ordinary meaning understood by a person of ordinary skill in the technical field to which this application belongs. The words "one", "a", "the" and the like used in this application do not indicate a limit on quantity and may indicate the singular or plural. The terms "include", "comprise", "have" and any variations thereof used in this application are intended to cover non-exclusive inclusions; for example, a process, method, system, product or device that includes a series of steps or units (units) is not limited to the listed steps or units, but may also include steps or units that are not listed, or may also include other steps or units that are inherent to these processes, methods, products or devices. The words "connect", "connected", "coupled" and the like used in this application are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The word "multiple" used in this application means two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships can exist. For example, "A and / or B" can mean: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the objects before and after are in an "or" relationship. The terms "first", "second", "third", etc. involved in this application are only used to distinguish similar objects and do not represent a specific order for the objects.

[0072] Example 1

[0073] An illustrative embodiment of the present invention is as follows: Figure 1 As shown, a device for securing a boarding ladder at a dock comprises a support unit 10, two first blocking units 20, a bracket unit 30, and a second blocking unit 40. The support unit 10 is horizontally disposed and slidably connected to the boarding ladder; the two first blocking units 20 are symmetrically disposed at the first end of the support unit 10 to prevent the end of the boarding ladder from sliding off the support unit 10; the bottom end of the bracket unit 30 is connected to the second end of the support unit 10 and is detachably connected to the wheel guard; and the second blocking unit 40 is rotatably connected to the top end of the bracket unit 30 to prevent the bracket unit 30 from sliding off the wheel guard.

[0074] like Figure 2As shown, the support unit 10 includes a support element 11 and two sliding elements 12. The support element 11 is arranged horizontally, with two first blocking units 20 provided at the first end of the support element 11, and the second end of the support element 11 is connected to the bottom end of the bracket unit 30 for supporting the boarding ladder. The two sliding elements 12 are symmetrically arranged on both sides of the support element 11 and are respectively slidably connected to the boarding ladder.

[0075] In some embodiments, the support element 11 is a support plate.

[0076] The size of the sliding element 12 matches the size of the supporting element 11. Generally, the width of the sliding element 12 is smaller than the height of the supporting element 11, the length of the sliding element 12 is no greater than the length of the supporting element 11, and the depth of the sliding element 12 is smaller than the thickness of the supporting element 11.

[0077] In some embodiments, the sliding element 12 is a sliding groove.

[0078] Furthermore, the support unit 10 further includes at least two buffer elements 13. The buffer elements 13 are provided at the ends of the sliding element 12 to buffer the force acting on the ends of the boarding ladder.

[0079] The buffer element 13 and the support element 11 are connected in a fixed connection or a detachable connection. The fixed connection includes but is not limited to integral molding and welding; the detachable connection includes but is not limited to bolt connection.

[0080] The size of the buffer element 13 matches the size of the sliding element 12. Generally, the width of the buffer element 13 is equal to the width of the sliding element 12, the length of the buffer element 13 is less than the length of the sliding element 12, and the height of the buffer element 13 is less than the depth of the sliding element 12.

[0081] In some embodiments, there are four buffer elements 13 , wherein two buffer elements 13 are respectively disposed at the first ends of the two sliding elements 12 , and two buffer elements 13 are respectively disposed at the second ends of the two sliding elements 12 .

[0082] In some embodiments, the buffer element 13 is made of a strong buffer material, such as rubber or cast steel.

[0083] In some embodiments, the buffer element 13 is a buffer block.

[0084] Furthermore, the support unit 10 further includes a plurality of first gripping elements 14. The plurality of first gripping elements 14 are symmetrically arranged on both sides of the support element 11, and are used for gripping when the support element 11 is moved.

[0085] Generally, at least one first gripping element 14 is disposed on each side of the support element 11. When a plurality of first gripping elements 14 are disposed on each side of the support element 11, the plurality of first gripping elements 14 are spaced apart along the length direction of the support element 11.

[0086] The first gripping element 14 is connected to the supporting element 11 in a fixed connection or a detachable connection. The fixed connection includes but is not limited to welding; the detachable connection includes but is not limited to bolt connection.

[0087] In some embodiments, there are two first gripping elements 14 , which are symmetrically disposed on both sides of the first end of the support element 11 .

[0088] In some embodiments, there are four first gripping elements 14 , two of which are symmetrically disposed on either side of the first end of the support element 11 , and two of which are symmetrically disposed on either side of the second end of the support element 11 .

[0089] In some embodiments, the first gripping element 14 is a first handle.

[0090] like Figure 3 As shown, the first blocking unit 20 includes a first blocking element 21, a longitudinal fixing element 22, and an oblique fixing element 23. The first blocking element 21 is disposed on the side of the first end of the support unit 10 and is connected to the support unit 10 to prevent the boarding ladder from sliding out of the support unit 10; the longitudinal fixing element 22 is disposed on the side of the first end of the support unit 10 and is respectively connected to the first blocking element 21 and the support unit 10 to fix the first blocking element 21; and the oblique fixing element 23 is respectively connected to the first blocking element 21, the longitudinal fixing element 22, and the support unit 10 to fix the first blocking element 21.

[0091] Specifically, the first blocking element 21 is arranged at the end of the first end of the supporting element 11 and corresponds to the position of the sliding element 12; the longitudinal fixing element 22 is arranged on the side of the first end of the supporting element 11 and is connected to the supporting element 11; the oblique fixing element 23 is connected to the supporting element 11.

[0092] The first blocking element 21 and the supporting element 11 are connected in a fixed connection or a detachable connection, wherein the fixed connection includes but is not limited to welding; the detachable connection includes but is not limited to flange connection.

[0093] The size of the first blocking element 21 matches the size of the supporting element 11. Generally, the length of the first blocking element 21 is smaller than the width of the supporting element 11, and the height of the first blocking element 21 is greater than the thickness of the supporting element 11.

[0094] The size of the first blocking element 21 matches the size of the sliding element 12. Generally, the length of the first blocking element 21 is greater than the width of the sliding element 12.

[0095] In some embodiments, the first blocking element 21 is a first blocking plate.

[0096] The longitudinal fixing element 22 is connected to the supporting element 11 and the first blocking element 21 in a fixed connection or a detachable connection. The fixed connection includes but is not limited to welding; the detachable connection includes but is not limited to flange connection.

[0097] The size of the longitudinal fixing element 22 matches the size of the supporting element 11. Generally, the length of the longitudinal fixing element 22 is less than the length of the supporting element 11, and the height of the longitudinal fixing element 22 is greater than the thickness of the supporting element 11.

[0098] The size of the longitudinal fixing element 22 matches the size of the first blocking element 21. Generally, the height of the longitudinal fixing element 22 is equal to the thickness of the supporting element 11.

[0099] In some embodiments, the longitudinal fixing element 22 is a longitudinal fixing plate.

[0100] The oblique fixing element 23 is connected to the supporting element 11, the first blocking element 21, and the longitudinal fixing element 22 in a fixed connection or a detachable connection. The fixed connection includes but is not limited to welding; the detachable connection includes but is not limited to flange connection.

[0101] The dimensions of the oblique fixing elements 23 match the dimensions of the support element 11. Generally, the length of the longitudinal fixing elements 22 is smaller than the length of the support element 11.

[0102] The size of the oblique fixing element 23 matches the size of the first blocking element 21. Generally, the height of the oblique fixing element 23 is not greater than the height of the first blocking element 21.

[0103] The size of the oblique fixing element 23 matches the size of the longitudinal fixing element 22. Generally, the height of the oblique fixing element 23 is equal to the height of the longitudinal fixing element 22, and the length of the bottom end of the oblique fixing element 23 is equal to the length of the longitudinal fixing element 22.

[0104] In some embodiments, the oblique fixing element 23 is an oblique fixing plate.

[0105] like Figure 4As shown, the support unit 30 includes a longitudinal support element 31, a first transverse support element 32, a first rotating element 33, two limiting elements 34 and two first locking elements 35. Among them, the bottom end of the longitudinal support element 31 is connected to the second end of the support unit 10 and is used to be mounted on the side of the wheel guard sill; the first end of the first transverse support element 32 is connected to the top end of the longitudinal support element 31 and is removably arranged at the top end of the wheel guard sill; the first rotating element 33 is arranged at the second end of the first transverse support element 32 and is rotatably connected to the second blocking unit 40; the two limiting elements 34 are symmetrically arranged on both sides of the second end of the first transverse support element 32, for limiting the position of the second blocking unit 40; the two first locking elements 35 are respectively slidably arranged on the corresponding limiting elements 34, and are respectively locked with the second blocking unit 40, for locking the position of the second blocking unit 40.

[0106] Specifically, the bottom end of the longitudinal bracing element 31 is connected to the second end of the supporting element 11 .

[0107] The longitudinal support element 31 and the supporting element 11 are connected in a fixed manner, wherein the fixed connection manner includes but is not limited to integral molding.

[0108] The dimensions of the longitudinal bracing element 31 match the dimensions of the supporting element 11. Generally, the width of the longitudinal bracing element 31 is equal to the width of the supporting element 11, and the height of the longitudinal bracing element 31 is greater than the height of the supporting element 11.

[0109] In some embodiments, the longitudinal brace element 31 is a longitudinal support plate.

[0110] The first transverse support plate element 32 is connected to the longitudinal support plate element 31 in a fixed connection, wherein the fixed connection method includes but is not limited to integral molding.

[0111] The size of the first transverse bracing element 32 matches the size of the longitudinal bracing element 31. Generally, the width of the first transverse bracing element 32 is not greater than the width of the longitudinal bracing element 31, and the height of the first transverse bracing element 32 is less than the height of the longitudinal bracing element 31.

[0112] In some embodiments, the first transverse brace element 32 is a first transverse support plate.

[0113] The first rotating element 33 and the first transverse support element 32 are connected in a fixed manner, wherein the fixed connection manner includes but is not limited to integral molding.

[0114] The size of the first rotating element 33 matches the size of the first transverse support element 32. Generally, the radial dimension (such as the outer diameter) of the first rotating element 33 is equal to the thickness of the first transverse support element 32, and the length of the first rotating element 33 is not less than the length of the first transverse support element 32.

[0115] In some embodiments, there are two first rotating elements 33. The two first rotating elements 33 are symmetrically disposed on both sides of the second end of the first transverse support element 32 and are rotatably connected to the second blocking unit 40 respectively.

[0116] In some embodiments, the first rotating element 33 is a first rotating shaft or a first rotating groove.

[0117] The limiting element 34 and the first transverse support plate element 32 are connected in a fixed connection or a detachable connection. The fixed connection includes but is not limited to integral molding and welding; the detachable connection includes but is not limited to flange connection.

[0118] The size of the limiting element 34 matches the size of the first transverse support element 32. Generally, the radial size (such as length and width) of the first transverse support element 32 is smaller than the radial size (such as length and width) of the cross section of the first transverse support element 32 in which it is located.

[0119] In some embodiments, the limiting element 34 includes a limiting plate and a limiting hole, wherein the limiting plate is connected to the first transverse support element 32 ; the limiting hole is set through the limiting plate and connected to the first locking element 35 .

[0120] The dimensions of the first locking element 35 match those of the limiting element 34. Generally, the radial dimensions (e.g., length and width) of the first locking element 35 are smaller than the radial dimensions (e.g., length and width) of the limiting hole, and the axial dimensions (e.g., length) of the first locking element 35 are greater than the depth of the limiting hole.

[0121] In some embodiments, the first locking element 35 includes a locking member and a limiting member. The locking member is disposed through the limiting hole and is locked with the second blocking unit 40. The limiting member is disposed at the top of the locking member to prevent the locking member from sliding into the limiting hole.

[0122] In some embodiments, the locking member is a locking shaft or a locking pin.

[0123] In some embodiments, the limiting member is a first limiting block.

[0124] like Figure 5As shown, the second blocking unit 40 includes a second blocking element 41, a second rotating element 42, and two second locking elements 43. The second blocking element 41 is rotatably disposed at the top of the bracket unit 30 to prevent the bracket unit 30 from sliding off the wheel guard. The second rotating element 42 is disposed at the first end of the second blocking element 41 and is rotatably connected to the bracket unit 30. The two second locking elements 43 are symmetrically disposed at the first end of the second blocking element 41 and are respectively locked to the bracket unit 30 to lock the position of the second blocking element 41.

[0125] Specifically, the second blocking element 41 is rotatably disposed on the top end of the first transverse support element 32 ; the second rotating element 42 is rotatably connected to the first rotating element 33 ; and the second locking element 43 is locked to the first locking element 35 .

[0126] More specifically, the second locking element 43 is lockingly connected to the locking member.

[0127] The size of the second blocking element 41 matches the size of the longitudinal bracing element 31. Generally, the height of the second blocking element 41 is not less than the height of the longitudinal bracing element 31.

[0128] The size of the second blocking element 41 matches the size of the first transverse bracing element 32. Generally, the width of the second blocking element 41 is greater than the width of the first transverse bracing element 32, and the height of the second blocking element 41 is greater than the height of the first transverse bracing element 32.

[0129] In some embodiments, the second blocking element 41 is a second blocking plate.

[0130] The size of the second rotating element 42 matches the size of the first rotating element 33. Generally, the radial size (eg, outer diameter) of the second rotating element 42 is equal to the radial size (eg, outer diameter) of the first rotating element 33.

[0131] In some embodiments, there are two second rotating elements 42 , and the two second rotating elements 42 are symmetrically disposed at the first end of the second blocking element 41 .

[0132] In some embodiments, the second rotating element 42 is a second rotating shaft or a second rotating slot.

[0133] The size of the second locking element 43 matches the size of the first locking element 35. Generally, the radial size (such as inner diameter, length, width) of the second locking element 43 is not less than the radial size (such as outer diameter, length, width) of the first locking element 35.

[0134] In some embodiments, the second locking element 43 is an elongated locking hole.

[0135] Furthermore, the second blocking unit 40 further includes two second gripping elements 44. The two second gripping elements 44 are symmetrically disposed on both sides of the second blocking element 41, and are used for gripping when the second blocking element 41 is rotated.

[0136] The second gripping element 44 is connected to the second blocking element 41 in a fixed connection or a detachable connection, wherein the fixed connection includes but is not limited to welding; the detachable connection includes but is not limited to flange connection.

[0137] The size of the second gripping element 44 matches the size of the second blocking element 41. Generally, the length of the second gripping element 44 is smaller than the height of the second blocking element 41, and the width of the second gripping element 44 is smaller than the thickness of the second blocking element 41.

[0138] In some embodiments, the second gripping element 44 is a second handle.

[0139] The use method of this utility model:

[0140] During installation, fold the second blocking element 41 on the upper part of the first transverse support element 32, use a crane or a cart to hang the first holding element 14, or use a person to hold the first holding element 14 to move the support element 11 to the side of the wheel guard, so that the longitudinal support element 31 stands on the side of the wheel guard, and the first transverse support element 32 is located on the upper part of the wheel guard, then hold the second holding element 44 and rotate the second blocking element 41, and the second rotating element 42 rotates relative to the first rotating element 33; the second blocking element 41 is located on the other side of the wheel guard and parallel to the longitudinal support element 31, and then the first locking element 35 is used to lock the second locking element 43, and the relative position of the second blocking element 41 and the first transverse support element 32 is fixed, and the installation is completed.

[0141] The bottom end of the boarding ladder is moved to the supporting element 11 and slides along the sliding element 12. The buffer element 13 buffers the force between the boarding ladder and the supporting element 11 and reduces the sliding speed of the boarding ladder. The first blocking element 21 blocks the end of the boarding ladder. The longitudinal fixing element 22 and the oblique fixing element 23 share the force of the boarding ladder on the first blocking element 21, thereby fixing the bottom end of the boarding ladder to the supporting element 11.

[0142] The technical effects of the utility model are as follows:

[0143] The support unit is stably fixed on the wheel guard by using the bracket unit and the second blocking unit; the boarding ladder is supported by the support unit and the sliding speed of the boarding ladder is reduced to reduce the impact force of the boarding ladder on the first blocking unit; the first blocking unit is used to prevent the boarding ladder from continuing to slide along the support unit, thereby fixing the boarding ladder; the fixing method is simple, can quickly stabilize the position of the boarding ladder, improves the efficiency of the boarding ladder placement, and solves the problem of slow boarding ladder placement speed; at the same time, it avoids the damage to the dock caused by the relative sliding of the boarding ladder and the dock, and solves the problem that the boarding ladder is easy to cause damage to the dock.

[0144] Example 2

[0145] This embodiment is a variation of embodiment 1.

[0146] like Figure 6 As shown, the bracket unit 30 further includes a second transverse support element 36, two first base elements 37, and two driving elements 38. The first end of the second transverse support element 36 is connected to the top end of the longitudinal support element 31, and the second end of the second transverse support element 36 is slidably connected to the first end of the first transverse support element 32, for adjusting the position of the first transverse support element 32 to accommodate wheel guard sills of different widths. The two first base elements 37 are symmetrically arranged on both sides of the second transverse support element 36. The two driving elements 38 are respectively arranged on the corresponding first base elements 37 and are respectively connected to the corresponding limiting elements 34, for driving the limiting elements 34 to drive the first transverse support element 32 and the second transverse support element 36 to slide relative to each other and lock the relative positions of the first transverse support element 32 and the second transverse support element 36.

[0147] The second transverse support plate element 36 is connected to the longitudinal support plate element 31 in a fixed connection, wherein the fixed connection method includes but is not limited to integral molding.

[0148] The size of the second transverse brace element 36 matches the size of the longitudinal brace element 31. Generally, the width of the second transverse brace element 36 is equal to the width of the longitudinal brace element 31, and the height of the second transverse brace element 36 is less than the height of the longitudinal brace element 31.

[0149] The dimensions of the second transverse brace element 36 match the dimensions of the first transverse brace element 32. Generally, the width of the second transverse brace element 36 is greater than the width of the first transverse brace element 32, and the length of the second transverse brace element 36 is greater than the length of the first transverse brace element 32.

[0150] In some embodiments, the second transverse brace element 36 is a second transverse support plate.

[0151] The first base element 37 and the second transverse support plate element 36 are connected by fixed connection, wherein the fixed connection method includes but is not limited to welding.

[0152] The dimensions of the first base element 37 match those of the second transverse brace element 36. Generally, the radial dimensions (e.g., length, width) of the first base element 37 are smaller than the radial dimensions (e.g., length, width) of the cross section of the second transverse brace element 36 in which it is located.

[0153] In some embodiments, the first base element 37 is a support base.

[0154] The driving element 38 is connected to the first base element 37 and the limiting element 34 in a detachable manner, wherein the detachable connection manner includes but is not limited to flange connection.

[0155] In some embodiments, the drive element 38 includes, but is not limited to, a hydraulic push rod.

[0156] The method of using this embodiment is as follows:

[0157] When fixing the bracket unit 30, the driving element 38 can be used to drive the first transverse support element 32 to slide relative to the second transverse support element 36 according to the different width specifications of the wheel guard sill until the width of the first transverse support element 32 and the second transverse support element 36 are consistent with the width of the wheel guard sill, and then the driving element 38 is used to lock the relative position of the first transverse support element 32 and the second transverse support element 36.

[0158] Other usage methods are the same as those in Example 1 and are not described in detail here.

[0159] The technical effects of this embodiment are as follows:

[0160] The bracket unit adopts an adjustable design, the width of the bracket unit can be adjusted, and the bracket unit can be fixed on wheel sills of different specifications, which expands the use range of the boarding ladder fixing device and also allows the bracket unit to fit more closely with the second blocking unit and the wheel sill, increasing stability and making the fixation more secure.

[0161] Example 3

[0162] This embodiment is a variation of Embodiments 1 and 2.

[0163] like Figure 7 As shown, the boarding ladder fixing device further includes a plurality of moving units 50. The plurality of moving units 50 are spaced apart and arranged at the bottom end of the support unit 10 and can be hidden in the support unit 10 for moving the support unit 10 during installation.

[0164] like Figure 8As shown, the support unit 10 further includes a plurality of cavity elements 15 and a plurality of third locking elements 16. The cavity elements 15 are distributed at the bottom end of the support unit 10 and are respectively connected to the plurality of moving units 50; the third locking elements 16 are respectively disposed at the ends of corresponding cavity elements 15 and are respectively connected to the moving units 50.

[0165] Specifically, the third locking element 16 is connected to the supporting element 11 .

[0166] Specifically, a plurality of chamber elements 15 are distributed at the bottom end of the supporting element 11 .

[0167] The plurality of chamber elements 15 are arranged along the length direction and / or width direction of the support element 11 .

[0168] The dimensions of the chamber element 15 match those of the support element 11. Generally, the width of the chamber element 15 is smaller than the length of the support element 11, the length of the chamber element 15 is equal to the width of the support element 11, and the depth of the chamber element 15 is smaller than the height of the support element 11.

[0169] In some embodiments, there are two chamber elements 15 , which are respectively disposed at the first end and the second end of the supporting element 11 .

[0170] In some embodiments, there are four chamber elements 15. Two chamber elements 15 are respectively disposed at the first end of the support element 11 and are not connected to each other; and two chamber elements 15 are respectively disposed at the second end of the support element 11 and are not connected to each other.

[0171] In some embodiments, the chamber element 15 is a mounting slot.

[0172] The third locking element 16 is connected to the supporting element 11 in a detachable manner, wherein the detachable connection manner includes but is not limited to a bolt connection.

[0173] The number of the third locking elements 16 matches the number of the cavity elements 15. Generally, the number of the third locking elements 16 is an integer multiple of the number of the cavity elements 15. That is, each cavity element 15 is provided with at least one third locking element 16.

[0174] When a plurality of third locking elements 16 are provided on each chamber element 15 , the plurality of third locking elements 16 are symmetrically disposed at both ends of the chamber element 15 , that is, at least one third locking element 16 is disposed on each end of the chamber element 15 .

[0175] In some embodiments, there are eight third locking elements 16 . That is, two third locking elements 16 are provided at each end of each chamber element 15 . One third locking element 16 is used to allow the moving unit 50 to be exposed from the chamber element 15 to move the support element 11 , and one third locking element 16 is used to conceal the moving unit 50 within the chamber element 15 .

[0176] In some embodiments, the cross-section of the third locking element 16 is rectangular or polygonal to prevent the moving unit 50 from slipping off the third locking element 16 .

[0177] In some embodiments, the third locking element 16 is a locking hole.

[0178] like Figure 9 As shown, the moving unit 50 includes a second base element 51, a third rotating element 52, a fourth rotating element 53, a moving element 54, and a fourth locking element 55. The second base element 51 is disposed at the bottom end of the support unit 10; the top end of the third rotating element 52 is rotatably connected to the second base element 51; the fourth rotating element 53 is rotatably disposed at the bottom end of the third rotating element 52; the moving element 54 is rotatably connected to the fourth rotating element 53 for moving the support unit 10; and the fourth locking element 55 is disposed at the end of the fourth rotating element 53 and connected to the support unit 10 for locking the position of the moving element 54.

[0179] Specifically, the second base element 51 is disposed on the chamber element 15 and connected to the support element 11 ; the fourth locking element 55 is detachably connected to the third locking element 16 .

[0180] The number of mobile units 50 matches the number of chamber elements 15. Generally, the number of mobile units 50 is an integer multiple of the number of chamber elements 15. That is, each chamber element 15 is provided with at least one mobile unit 50. When multiple mobile units 50 are provided for each chamber element 15, at least one mobile unit 50 is provided at each end of the chamber element 15.

[0181] The second base element 51 and the support element 11 are connected in a fixed connection or a detachable connection, wherein the fixed connection includes but is not limited to welding; the detachable connection includes but is not limited to bolt connection.

[0182] The size of the second base element 51 matches the size of the chamber element 15. Generally, the radial size (such as outer diameter, length, width) of the second base element 51 is smaller than the radial size (such as length, width) of the chamber element 15.

[0183] In some embodiments, the second base element 51 is a mounting base.

[0184] The size of the third rotating element 52 matches the size of the second base element 51. Generally, the radial size (such as the outer diameter) of the third rotating element 52 is smaller than the size (such as the length and width) of the base element.

[0185] The dimensions of the third rotating element 52 match those of the chamber element 15. Generally, the radial dimensions (e.g., length and width) of the third rotating element 52 are smaller than the radial dimensions (e.g., length and width) of the chamber element 15, and the height of the third rotating element 52 is smaller than the radial dimensions (e.g., width and height) of the chamber element 15.

[0186] In some embodiments, the third rotating element 52 is a movable seat.

[0187] The fourth rotating element 53 and the third rotating element 52 are connected in a fixed connection or a rotating connection, wherein the fixed connection method includes but is not limited to welding and integral molding.

[0188] The size of the fourth rotating element 53 matches that of the third rotating element 52. Generally, the radial size (eg, outer diameter) of the connecting end of the fourth rotating element 53 is equal to the radial size (eg, outer diameter) of the connecting end of the third rotating element 52.

[0189] In some embodiments, two fourth rotating elements 53 are formed integrally and symmetrically in the width direction of the supporting element 11. That is, both ends of a fourth rotating element 53 are connected to a third rotating element 52 respectively. Figure 10 shown.

[0190] In some embodiments, the fourth rotating element 53 is a rotating shaft.

[0191] The size of the moving element 54 matches the size of the chamber element 15. Generally, the radial size (such as the outer diameter) of the moving element 54 is smaller than the radial size (such as the length, width, depth) of the chamber element 15.

[0192] The size of the moving element 54 matches the size of the third rotating element 52. Generally, the thickness of the moving element 54 is smaller than the width of the third rotating element 52, and the radial size (such as length, width, height) of the moving element 54 is larger than the radial size (such as length, width, height) of the third rotating element 52.

[0193] The size of the moving element 54 matches the size of the fourth rotating element 53. Generally, the radial size (such as the outer diameter) of the moving element 54 is greater than the radial size (such as the outer diameter) of the fourth rotating element 53.

[0194] In some embodiments, the moving element 54 is a roller.

[0195] The fourth locking element 55 and the fourth rotating element 53 are connected in a fixed connection or a detachable connection. The fixed connection includes but is not limited to integral molding and welding; the detachable connection includes but is not limited to bolt connection and pin connection.

[0196] In some embodiments, the fourth locking element 55 includes a connecting shaft, a handle, a locking shaft, a pull ring, and a second stopper. The connecting shaft is connected to the fourth rotating element 53; the handle is provided at the end of the connecting shaft and is hollow; the locking shaft is slidably connected to the handle and is locked to the third locking element 16; the pull ring is provided at the first end of the locking shaft for gripping; and the second stopper is provided at the second end of the locking shaft and is in positional connection with the handle to prevent the locking shaft from sliding out of the handle.

[0197] The size of the connecting shaft matches the size of the fourth rotating element 53. Generally, the radial size (such as the outer diameter) of the connecting shaft is greater than the radial size (such as the outer diameter) of the fourth rotating element 53.

[0198] The size of the locking shaft matches the size of the third locking element 16. Generally, the radial size (such as length, width) of the locking shaft is not greater than the radial size (such as length, width) of the third locking element 16.

[0199] The size of the locking shaft matches the size of the handle. Generally, the radial size (such as length, width) of the locking shaft is smaller than the radial size (such as outer diameter, length, width) of the handle.

[0200] The shape of the locking shaft matches that of the third locking element 16. Generally, the cross-sectional shape of the locking shaft is the same as that of the third locking element 16, and is not circular to prevent the connecting shaft from rotating, but may be rectangular, hexagonal, or the like.

[0201] The size of the second limit block matches the size of the locking shaft. Generally, the radial size (such as length and width) of the second limit block is greater than the radial size (such as length and width) of the locking shaft.

[0202] The size of the second stopper matches the size of the handle. Generally, the radial size (such as outer diameter, length, width) of the second stopper is no larger than the inner diameter of the first end of the handle, and larger than the inner diameter of the second end of the handle.

[0203] The method of using this embodiment is as follows:

[0204] When the support element 11 is not moved, the fourth locking element 55 is connected to the third locking element 16 located on the upper part of the chamber element 15. The fourth locking element 55 lifts the fourth rotating element 53, thereby driving the third rotating element 52 and the second base element 51 to rotate relative to each other, so that the position of the moving element 54 is raised and located inside the chamber element 15. When the support element 11 supports the boarding ladder, the moving element 54 does not contact the ground.

[0205] When moving the supporting element 11, the fourth locking element 55 is connected to the third locking element 16 located at the bottom of the chamber element 15, so that the third rotating element 52 is perpendicular to the second base element 51, and the moving element 54 is exposed from the chamber element 15 to support the supporting element 11 and can move the supporting element 11.

[0206] The technical effects of this embodiment are as follows:

[0207] The use of several mobile units that can be hidden in the supporting unit not only facilitates the movement of the supporting unit and saves manpower, but also allows the mobile units to be hidden at the bottom of the supporting unit when they do not need to be moved, thereby avoiding the mobile units shaking together when supporting the boarding ladder, making it impossible to stabilize the boarding ladder, and solving the problem of pedestrians easily falling due to the shaking of the boarding ladder.

[0208] The above description is only a preferred embodiment of the present invention and does not limit the implementation method and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A boarding ladder fixing device for a dock, characterized in that: include: a support unit, the support unit being arranged horizontally and being slidably connected to the boarding ladder; two first blocking units, the two first blocking units being symmetrically arranged at the first end of the support unit, and being used to prevent the end of the boarding ladder from sliding out of the support unit; a bracket unit, wherein the bottom end of the bracket unit is connected to the second end of the support unit and is detachably connected to the wheel guard; The second blocking unit is rotatably connected to the top end of the bracket unit and is used to prevent the bracket unit from sliding out of the wheel guard.

2. The boarding ladder fixing device according to claim 1, characterized in that: The support unit comprises: a supporting element, the supporting element being arranged horizontally, the first end of the supporting element being provided with two first blocking units, the second end of the supporting element being connected to the bottom end of the bracket unit, and being used to support the boarding ladder; Two sliding elements are symmetrically arranged on both sides of the supporting element and are respectively slidably connected to the boarding ladder.

3. The boarding ladder fixing device according to claim 2, characterized in that: The support unit further includes: at least two buffer elements, each of which is provided at an end of the sliding element and is used to buffer the force acting on the end of the boarding ladder; and / or A plurality of first gripping elements are symmetrically arranged on both sides of the supporting element and are used for gripping when the supporting element is moved.

4. The boarding ladder fixing device according to claim 1, characterized in that: The first blocking unit includes: a first blocking element, the first blocking element being disposed on a side of a first end of the support unit and connected to the support unit, and being configured to prevent the boarding ladder from sliding out of the support unit; a longitudinal fixing element, the longitudinal fixing element being provided at a side portion of the first end of the supporting unit and being connected to the first blocking element and the supporting unit, respectively, for fixing the first blocking element; An oblique fixing element is respectively connected to the first blocking element, the longitudinal fixing element, and the supporting unit, and is used to fix the first blocking element.

5. The boarding ladder fixing device according to claim 1, characterized in that: The bracket unit includes: a longitudinal support plate element, the bottom end of which is connected to the second end of the support unit and is used to be mounted on the side of the wheel guard sill; a first transverse support plate element, wherein a first end of the first transverse support plate element is connected to a top end of the longitudinal support plate element and is removably disposed on a top end of the wheel guard sill; a first rotating element, the first rotating element being disposed at the second end of the first transverse support element and being rotatably connected to the second blocking unit; two limiting elements, the two limiting elements being symmetrically arranged on both sides of the second end of the first transverse support element, and being used to limit the position of the second blocking unit; Two first locking elements are respectively slidably disposed on the corresponding limiting elements and are respectively locked and connected to the second blocking unit to lock the position of the second blocking unit.

6. The boarding ladder fixing device according to claim 5, characterized in that: The bracket unit also includes: a second transverse brace element, wherein a first end of the second transverse brace element is connected to a top end of the longitudinal brace element, and a second end of the second transverse brace element is slidably connected to the first end of the first transverse brace element, and is used to adjust a position of the first transverse brace element to accommodate wheel guard sills of different widths; Two first base elements, the two first base elements are symmetrically arranged on both sides of the second transverse support plate element; Two driving elements, the two driving elements are respectively arranged on the corresponding first base elements, and are respectively connected to the corresponding limiting elements, for driving the limiting elements to drive the first transverse support plate element and the second transverse support plate element to slide relative to each other and lock the relative positions of the first transverse support plate element and the second transverse support plate element.

7. The boarding ladder fixing device according to claim 1, characterized in that: The second blocking unit includes: a second blocking element, the second blocking element being rotatably disposed on a top end of the bracket unit and being used to prevent the bracket unit from sliding out of the wheel guard sill; a second rotating element, the second rotating element being disposed at a first end of the second blocking element and being rotatably connected to the bracket unit; Two second locking elements are symmetrically arranged at the first end of the second blocking element and are respectively locked and connected to the bracket unit to lock the position of the second blocking element.

8. The boarding ladder fixing device according to claim 7, characterized in that: The second blocking unit further includes: Two second gripping elements are symmetrically arranged on both sides of the second blocking element and are used for gripping when the second blocking element is rotated.

9. The boarding ladder fixing device according to any one of claims 1 to 8, characterized in that: Also includes: A plurality of movable units are arranged at intervals at the bottom end of the supporting unit and can be hidden in the supporting unit, and are used to move the supporting unit during installation.

10. The boarding ladder fixing device according to claim 9, characterized in that: The support unit further includes: a plurality of chamber elements, wherein the plurality of chamber elements are distributed at the bottom end of the supporting unit and are respectively connected to the plurality of moving units; a plurality of third locking elements, each of which is disposed at an end portion of the corresponding chamber element and is connected to the moving unit; and / or The mobile unit comprises: a second base element, the second base element being disposed at a bottom end of the support unit; a third rotating element, wherein a top end of the third rotating element is rotatably connected to the second base element; a fourth rotating element, the fourth rotating element being rotatably disposed at a bottom end of the third rotating element; a moving element, the moving element being rotatably connected to the fourth rotating element and configured to move the supporting unit; A fourth locking element is provided at an end portion of the fourth rotating element and is connected to the supporting unit, and is used to lock the position of the moving element.