Detachable rake head hanging bracket
By designing a detachable scraper head hanger and utilizing a detachable connection and pulley system, the problem of the limited applicability of the scraper suction dredger was solved, enabling flexible adjustment of dredging depth and simplification of construction, thus improving safety and economy.
Patent Information
- Application Number
- CN202422695683.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-05
AI Technical Summary
The fixed position of the draghead gantry of existing trailing suction hopper dredgers limits their applicability and makes it difficult to adjust flexibly under different dredging depths, increasing the weight of the vessel and the complexity of construction.
Design a detachable rake head hanger. The base and boom assembly are detachably connected. The boom assembly can be rotated and extended by a detachable cable and pulley system to adapt to different digging depth requirements, reduce steel consumption and weight, and simplify the construction process.
It enables flexible adjustments under different dredging depths, reduces construction time and costs, improves safety and economy, does not increase ship weight, maintains mud loading capacity, and requires no hot work.
Smart Images

Figure CN223562220U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hoisting equipment field for ship, concretely relates to a detachable harrow head lifting frame. BACKGROUND
[0002] Generally, the harrow head lifting frame of the cutter suction dredger is fixed in position, and a heavy-weight strong structure base is reserved at the bottom, and the operation digging depth is relatively fixed in a range, so the application range of the cutter suction dredger is limited. The design considers expanding the application range of the cutter suction dredger, and meanwhile, the self weight of the ship is not additionally increased, and the single ship loading capacity under the condition that the ship is fixed in design dredging water depth is not affected. SUMMARY
[0003] The utility model discloses a detachable harrow head lifting frame, and solves one or more of the above technical problems.
[0004] The utility model provides a detachable harrow head lifting frame, detachable harrow head lifting frame is set up on deck through base, detachable harrow head lifting frame adopts detachable connection between base, detachable harrow head lifting frame includes lifting arm subassembly, telescopic control assembly, seat, and one side end of lifting arm subassembly is connected with seat, is equipped with first pulley on lifting arm subassembly, one side end of telescopic control assembly is hinged with seat, and the other side end of telescopic control assembly is hinged with lifting arm subassembly, and telescopic control assembly drives lifting arm subassembly to rotate with the connecting place of lifting arm subassembly and seat as the center point through telescopic action, second pulley is connected on seat, and detachable harrow head lifting frame is first passed through second pulley, and then is passed through first pulley.
[0005] In some embodiments,
[0006] The seat is connected with the base by bolts;
[0007] The distance from the second pulley to the deck is less than the distance from the first pulley to the deck;
[0008] The lifting arm subassembly includes a lifting arm frame and a swing frame, the upper part of the lifting arm frame is connected to one side end of the swing frame, the other side end of the swing frame is connected to the first pulley, and the lower side end of the lifting arm frame is hinged to the seat.
[0009] In some embodiments, one side of the second pulley on the seat protrudes from the seat, an auxiliary pulley assembly is arranged on one side of the detachable harrow head lifting frame corresponding to the base, the auxiliary pulley assembly includes an auxiliary support and a third pulley, the third pulley is arranged on the deck through the auxiliary support, the third pulley is arranged corresponding to the second pulley, and the distance from the third pulley to the deck is greater than the distance from the second pulley to the deck. The auxiliary pulley assembly can be arranged as needed, and the arrangement of the auxiliary pulley assembly can better guide the cable, so that the cable can better adapt to the working environment in which the lifting arm subassembly rotates.
[0010] In some embodiments, the boom holder is in an inverted V-shaped structure, the boom holder comprises two booms, upper ends of the two booms are connected to each other to form a connection, the swing holder is connected to the connection, lower parts of the two booms are respectively arranged on two sides of the seat, and lower ends of the booms are connected to the seat.
[0011] In some embodiments, the boom comprises an upper part and a lower part, an included angle between the upper part and the lower part is a°, and a value of a is greater than 90° and less than 180°.
[0012] In some embodiments,
[0013] The upper parts of the two booms are connected by a reinforcing structure, and the two booms and the reinforcing structure form an A-shaped structure in combination.
[0014] The outer side of the boom is provided with a plurality of footboards.
[0015] In some embodiments,
[0016] The seat is provided with an auxiliary connecting seat, and the telescopic control assembly is connected to the auxiliary connecting seat.
[0017] In some embodiments,
[0018] The distance from the auxiliary connecting seat to the deck is greater than the distance from the second pulley to the deck.
[0019] In some embodiments, the seat is provided with an auxiliary support, the auxiliary support comprises a first protrusion and a second protrusion, the first protrusion, the second protrusion and the seat form an auxiliary groove in combination, the auxiliary support and the auxiliary connecting seat are respectively arranged on the front and rear sides of the seat, and the setting position of the connection between the boom assembly and the seat corresponds to the position of the auxiliary groove.
[0020] In some embodiments, the auxiliary groove is provided with a gasket assembly on the groove wall, the gasket assembly comprises a first gasket arranged on the first protrusion and a second gasket arranged on the second protrusion. The detachable harrow head holder described in the utility model has the following advantages: the ship can be designed with different maximum excavation depths during construction, the harrow head holder base is arranged at different positions, the steel consumption of the component is small, the weight is light, when different project requirements and different excavation requirements are met, only the connecting piece (such as a bolt) between the seat and the base and the steel wire rope need to be disassembled, then the whole is hoisted to the base of the corresponding harrow head holder of the required excavation depth, then the bolt is tightened and the steel wire rope is passed through, and the harrow head holder can be put into use, the whole cycle is short, and the economy is good. During the operation process, no fire operation is required, and no pin shaft, oil cylinder and the like need to be disassembled, and the safety and environmental protection are good. At the same time, the weight of a single ship is not increased, and therefore the loading capacity of the ship is not affected. BRIEF DESCRIPTION OF DRAWINGS
[0021] Fig. 1 Structure diagram of detachable harrow head hanger in some embodiments of the present application;
[0022] Fig. 2 Structure diagram of detachable harrow head hanger after installing auxiliary pulley assembly in some embodiments of the present application;
[0023] Fig. 3 Side view of detachable harrow head hanger after installing auxiliary pulley assembly in some embodiments of the present application. DETAILED DESCRIPTION
[0024] In order to further clarify the purpose, technical scheme and advantages of the present application, the present application is further described below in conjunction with the drawings. The drawings of the present application are structure frame diagrams for simple and easy reading, and cannot limit the true purpose of the present application.
[0025] In combination with Figs. 1 to 3 the content shown, the present embodiment proposes a detachable harrow head hanger. The detachable harrow head hanger is arranged on a deck 12 through a base 10. The detachable harrow head hanger and the base 10 are detachably connected. The detachable harrow head hanger comprises a hanger arm assembly, a telescopic control assembly 4 and a seat 8. One side end of the hanger arm assembly is connected with the seat 8. A first pulley 3 is arranged on the hanger arm assembly. One side end of the telescopic control assembly 4 is hingedly connected with the seat 8. The other side end of the telescopic control assembly 4 is hingedly connected with the hanger arm assembly. The telescopic control assembly 4 drives the hanger arm assembly to rotate with the connecting position of the hanger arm assembly and the seat 8 as the center point through telescopic action. A second pulley 13 is connected with the seat 8. The detachable harrow head hanger is first threaded through the second pulley 13 and then threaded through the first pulley 3 through a cable 16.
[0026] The seat 8 can be connected with the base 10 through a connecting piece 11, such as a bolt. The connecting position of the hanger arm assembly and the seat 8 and the second pulley 13 can be arranged on the front and rear side ends of the seat 8, respectively. A steel wire rope can be used as the cable 16. A hydraulic cylinder can be used in the telescopic control assembly 4 for telescopic operation.
[0027] The distance from the second pulley 13 to the deck is less than the distance from the first pulley 3 to the deck.
[0028] In some specific embodiments, the hanger arm assembly comprises a hanger arm frame 1 and a swing frame 2. The upper part of the hanger arm frame 1 is connected with one side end of the swing frame 2. The other side end of the swing frame 2 is connected with the first pulley 3. The lower side end of the hanger arm frame 1 is hingedly connected with the seat 8.
[0029] In some specific implementation manners, one side of the second pulley 13 on the seat 8 protrudes out of the seat 8, an auxiliary pulley set is additionally arranged on the deck 12, the auxiliary pulley set comprises an auxiliary support 15 and a third pulley 14, the third pulley 14 is arranged on the deck 12 through the auxiliary support 15, the auxiliary support 15 is arranged away from the base 10, the third pulley 14 is arranged correspondingly to the second pulley 13, and the distance from the third pulley 14 to the deck 12 is greater than the distance from the second pulley 13 to the deck 12. Through such a design, the cable 16 can be effectively prevented from being deviated after the boom assembly is rotated, so as to ensure the stability of the transmission of the cable 16.
[0030] In some specific implementation manners, the boom support 1 can be in an inverted V-shaped structure, the boom support 1 comprises two booms, upper side ends of the two booms are connected to each other to form a connection, the swing support 2 is connected to the connection, lower sides of the two booms are respectively arranged on two sides of the seat, and lower side ends of the booms are hingedly connected to the seat 8 through a hinge 9. The hinge 9 can be directly set as required according to the prior art, and thus is not described herein. The boom in this embodiment can comprise an upper part, a lower part and a connecting seat which are sequentially connected from top to bottom. An included angle between the upper part and the lower part is a°, and a value of a is greater than 90° and less than 180°. The connecting seat is hingedly connected to the seat 8 through the hinge 9. A reinforcing structure 102 such as a reinforcing rib can be additionally arranged between the upper parts of the two booms, and the two booms and the reinforcing structure are combined to form an A-shaped structure.
[0031] The outer side of the boom is provided with a plurality of steps 101.
[0032] In some specific implementation manners, an auxiliary connecting seat is arranged on the seat 8, and the telescopic control assembly 4 is hingedly connected to the auxiliary connecting seat. A distance from the auxiliary connecting seat to the deck 12 can be greater than a distance from the second pulley 13 to the deck 12.
[0033] In some specific implementation manners, an auxiliary support is arranged on the seat 8, the auxiliary support comprises a first protrusion 701 and a second protrusion 702, and the first protrusion 701, the second protrusion 702 and the seat 8 combine to form an auxiliary groove. The auxiliary groove can be in an L-shaped structure. The bottom edge of the auxiliary groove (i.e. the upper surface of the second protrusion 702) is designed in a downward concave arc shape, so as to better hold the objects placed in the auxiliary groove. The auxiliary support and the auxiliary connecting seat are respectively arranged on the front side and the rear side of the seat 8, and the position of the connection of the boom assembly and the seat 8 corresponds to the position of the auxiliary groove. In addition, a gasket assembly can be additionally arranged on the groove wall of the auxiliary groove, so as to increase the friction, improve the stability of the objects placed in the auxiliary groove, and protect the groove wall of the auxiliary groove. The gasket assembly comprises a first gasket 5 arranged on the first protrusion 701 and a second gasket 6 arranged on the second protrusion 702.
[0034] When meeting different project requirements and different deepening requirements, the detachable harrow head hanger only needs to dismount the connecting piece 11 (such as a bolt) between the seat 8 and the base 10 and the cable 16, then hoist the whole to the base of the corresponding harrow head hanger of the required deepening, then tighten the bolt and pass the steel wire rope to put into use.
[0035] The above unfinished matters can be directly realized by using the existing technology, and therefore, no further description is made here. The above description is only the preferred mode of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the creative concept of the present application, a number of similar modifications and improvements can be made, which should also be considered as the protection scope of the present application.
Claims
1. A detachable head hanger characterized by, The detachable harrow head hanger is arranged on the deck through the base, detachable connection is adopted between the detachable harrow head hanger and the base, the detachable harrow head hanger comprises a hanging arm assembly, a telescopic control assembly and a seat, one side end of the hanging arm assembly is connected with the seat, a first pulley is arranged on the hanging arm assembly, one side end of the telescopic control assembly is hinged with the seat, the other side end of the telescopic control assembly is hinged with the hanging arm assembly, the telescopic control assembly drives the hanging arm assembly to rotate with the connecting position of the hanging arm assembly and the seat as the center point through telescopic action, a second pulley is connected with the seat, the cable of the detachable harrow head hanger is arranged through the second pulley first and then through the first pulley.
2. The detachable harrow head hanger according to claim 1, characterized in that, the seat is connected with the base through bolts; the distance from the second pulley to the deck is less than the distance from the first pulley to the deck; the hanging arm assembly comprises a hanging arm frame and a swing frame, the upper part of the hanging arm frame is connected with one side end of the swing frame, the other side end of the swing frame is connected with the first pulley, and the lower side end of the hanging arm frame is hinged with the seat.
3. The demountable head hanger of claim 2, wherein, one side of the second pulley on the seat protrudes from the seat, an auxiliary pulley assembly is arranged on the side of the detachable harrow head hanger corresponding to the base, the auxiliary pulley assembly comprises an auxiliary support and a third pulley, the third pulley is arranged on the deck through the auxiliary support, the third pulley is arranged corresponding to the second pulley, and the distance from the third pulley to the deck is greater than the distance from the second pulley to the deck.
4. The demountable clevis hanger of claim 2, wherein, the hanging arm frame is in inverted V-shaped structure, the hanging arm frame comprises two hanging arms, the upper side ends of the two hanging arms are connected with each other to form a connecting position, the swing frame is connected with the connecting position, and the lower parts of the two hanging arms are arranged on the two sides of the seat respectively, and the lower side ends of the two hanging arms are connected with the seat.
5. The demountable rabble arm hanger according to claim 4, characterized in that the angle between the upper part and the lower part of the hanging arm is a°, and the value of a is greater than 90° and less than 180°.
6. The detachable harrow head hanger according to claim 5, characterized in that, the upper parts of the two hanging arms are connected with a reinforcing structure, and the two hanging arms and the reinforcing structure combine to form an A-shaped structure; the outer side of the hanging arm is provided with a plurality of steps.
7. The detachable harrow head hanger according to claim 1, characterized in that, the seat is provided with an auxiliary connecting seat, and the control assembly is connected with the auxiliary connecting seat.
8. The detachable harrow head hanger according to claim 7, characterized in that, the distance from the auxiliary connecting seat to the deck is greater than the distance from the second pulley to the deck.
9. The demountable clevis hanger of claim 7, wherein, the seat is provided with an auxiliary frame, the auxiliary frame comprises a first protrusion and a second protrusion, the first protrusion, the second protrusion and the seat combine to form an auxiliary groove, the auxiliary frame and the auxiliary connecting seat are arranged on the front side and the rear side of the seat respectively, and the position of the connecting position of the hanging arm assembly and the seat corresponds to the position of the auxiliary groove.
10. The demountable rabble arm hanger according to claim 9, characterized in that a gasket assembly is arranged on the groove wall of the auxiliary groove, the gasket assembly comprises a first gasket arranged on the first protrusion and a second gasket arranged on the second protrusion.