Adjustable lifting arm and lifting appliance for dismounting and mounting road sound barrier plate

Abstract

The utility model relates to the technical field of road traffic noise reduction construction, and provides an adjustable suspension arm and a lifting appliance for dismounting and mounting a road sound barrier plate, a plurality of fixed pulleys I are uniformly arranged at the bottom of a truss structure, and a steel wire rope I is arranged in a wave shape along the length direction of the truss structure; a first movable pulley is arranged on the portion, between every two adjacent first fixed pulleys, of the first steel wire rope, a grabbing assembly is arranged at the bottom of each first movable pulley, a winch and a second fixed pulley are arranged on the top of a horizontal rod of the L-shaped supporting frame, and a second steel wire rope is connected to the winch. The end, away from the winch, of the second steel wire rope is fixed to the bottom of a horizontal rod of the L-shaped supporting frame, the second steel wire rope sequentially penetrates through the second fixed pulley and the second movable pulley, a hook is arranged at the bottom of the second movable pulley, and a first lifting lug is arranged at the top of the truss structure and connected with the hook. The lifting appliance is simple in structure and convenient to use, the stability and safety of lifting are improved, and the disassembly and assembly efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to highway traffic noise reduction construction technical field especially relates to a highway sound barrier plate dismounting adjustable hoist arm and hoist. BACKGROUND

[0002] With the rapid development of highway traffic, noise pollution problem highlights increasingly, and the highway sound barrier plays a key role in noise reduction and environmental protection, and with the increase of its service life or the demand of road upgrading and reconstruction, the dismounting work of the sound barrier is more and more frequent.

[0003] At present, the conventional hoist has many drawbacks when hoisting the sound barrier: on the one hand, the sound barrier plate has different shapes and sizes, and the gravity center is unevenly distributed, so the ordinary hoist is difficult to accurately position and grasp, and the plate may shake and tilt during hoisting, which not only threatens the construction safety, but also may cause damage to the sound barrier; on the other hand, the traditional hoist lacks balance adjustment capability, and in the complex highway construction site, it is difficult to ensure the stability of hoisting in the face of variable wind force, and it is often necessary to manually install the sound barrier plate by ladder to ensure the installation, which greatly reduces the dismounting efficiency.

[0004] Therefore, in view of the above problems, an adjustable hoist arm and hoist for dismounting highway sound barrier plate are provided to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model develops an adjustable hoist arm and hoist for dismounting highway sound barrier plate in view of the deficiency of the prior art, which is simple in structure and convenient to use, reduces the shaking and tilting of the sound barrier plate during hoisting and the manual installation during installation, and greatly improves the construction safety and efficiency.

[0006] The technical scheme for solving the technical problem of the utility model is as follows: the utility model provides an adjustable hoist arm for dismounting highway sound barrier plate, which comprises a truss structure, a balance assembly and a grabbing assembly, the balance assembly comprises a steel wire cable, a fixed pulley and a movable pulley, the truss structure is uniformly provided with a plurality of fixed pulleys at the bottom, the steel wire cable is arranged in a wave shape along the length direction of the truss structure, and the two ends of the steel wire cable are fixedly connected with the two fixed pulleys at the two ends of the truss structure, respectively, one movable pulley is arranged on the steel wire cable between the two adjacent fixed pulleys, and the movable pulley is provided with the grabbing assembly at the bottom.

[0007] As an optimization, the grabbing assembly comprises a grabbing plate clamp and a lifting ring, the movable pulley is provided with the lifting ring through a connecting plate, and the grabbing plate clamp is arranged on the lifting ring.

[0008] As an optimization, the two ends of the steel wire cable are bent to form a sleeve ring, and the two sleeve rings are sleeved on the two fixed pulleys at the two ends of the truss structure, respectively.

[0009] The lifting device for disassembling and assembling the highway sound barrier plate comprises the adjustable lifting arm, a bottom base, an L-shaped support frame and a lifting driving element, the lifting driving element comprises a steel wire rope II, a fixed pulley II, a movable pulley II, a hook and a winch, the vertical rod of the L-shaped support frame is arranged on the bottom base, the winch and the fixed pulley II are arranged on the top of the horizontal rod of the L-shaped support frame, the steel wire rope II is connected to the winch, one end of the steel wire rope II away from the winch is fixed to the bottom of the horizontal rod of the L-shaped support frame, the steel wire rope II passes through the fixed pulley II and the movable pulley II in sequence, the hook is arranged at the bottom of the movable pulley II, and the lifting lug I is arranged at the top of the truss structure, and the hook is connected to the lifting lug I.

[0010] As optimization, the bottom base comprises two rectangular hollow square steels and connecting square steels, the two rectangular hollow square steels are arranged in parallel, and the two rectangular hollow square steels are connected through the three connecting square steels, wherein the two connecting square steels are provided with the load-bearing steel plate, and the other connecting square steel is provided with the tension steel plate.

[0011] As optimization, the bottom base comprises two rectangular hollow square steels and connecting square steels, the two rectangular hollow square steels are arranged in parallel, and the two rectangular hollow square steels are connected through the three connecting square steels, wherein the two connecting square steels are provided with the load-bearing steel plate, and the other connecting square steel is provided with the tension steel plate.

[0012] The effects provided in the content of the utility model are only the effects of the embodiments, and are not all the effects of the utility model, and the above technical scheme has the following advantages or beneficial effects:

[0013] The device can grab the sound barrier plate through the grab plate clamps at the bottom of the shuttle-shaped steel frame, the grab plate clamps can be selected according to needs, at this time, the movable pulley I slides on the steel wire rope I to achieve self-adjustment and balance, then the winch is started to hoist and transport for installation or disassembly, manual righting is not needed during hoisting and transporting, the stability and safety of hoisting and transporting are improved, and the disassembly and assembly efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model.

[0015] Figure 1 It is a whole structural drawing of the utility model;

[0016] Figure 2 It is a structural drawing of the bottom base of the utility model;

[0017] Figure 3 It is a structural drawing of the balance assembly of the utility model;

[0018] Figure 4 is a structural diagram of the L-shaped support frame of the utility model;

[0019] Figure 5 is a connection structural diagram of the utility model grab plate clamp.

[0020] In the drawing, 1, rectangular hollow square steel; 3, connecting square steel; 4, bearing steel plate; 5, tensioning steel plate; 6, L-shaped support frame; 7, tensioning rod; 8, tensioning pad plate; 9, connecting pad plate; 10, H-shaped steel stiffening rod; 13, truss structure; 14, steel wire cable two; 16, winch; 17, grab plate clamp; 18, lifting ring; 19, steel wire cable one; 20, fixed pulley one; 21, movable pulley one; 22, thimble; 23, connecting plate one; 24, fixed pulley two; 25, movable pulley two; 26, hook; 27, lifting lug one; 28, mounting plate. DETAILED DESCRIPTION

[0021] In order to clearly illustrate the technical features of the present scheme, the utility model will be described in detail below through specific implementation manners, and in conjunction with its accompanying drawings. The following disclosure provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. In addition, the utility model can repeatedly refer to numbers and / or letters in different examples. Such repetition is for the purpose of simplification and clarity, and in itself does not indicate the relationship between the various embodiments and / or settings being discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. The utility model omits the description of known components and processing technologies and processes to avoid unnecessary limitations on the utility model. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] As Figures 1 to 5As shown, an adjustable hoist arm for disassembling and assembling highway sound barrier plates comprises a truss structure 13, a balance assembly and a grabbing assembly, the balance assembly comprises a steel wire cable 19, a fixed pulley 20 and a movable pulley 21, a plurality of fixed pulleys 20 are uniformly arranged at the bottom of the truss structure 13, the steel wire cable 19 is arranged in a wave shape along the length direction of the truss structure 13, and the two ends of the steel wire cable 19 are fixedly connected with the two fixed pulleys 20 at the two ends of the truss structure 13, respectively, one movable pulley 21 is arranged on the steel wire cable 19 between the two adjacent fixed pulleys 20, and the movable pulley 21 is provided with the grabbing assembly at the bottom.

[0023] During hoisting, self-adjustment is achieved by sliding of the movable pulley 21 on the steel wire cable 19 to balance, so that the forces of the grabbing assemblies are balanced, the shaking and tilting of the effective plate and the artificial righting and installation during installation can greatly improve the construction safety and construction efficiency, and the hoisting safety is ensured.

[0024] In the embodiment, the grabbing assembly comprises a grabbing plate clamp 17 and a lifting ring 18, the movable pulley 21 is provided with the lifting ring 18 at the bottom through a connecting plate 23, and the grabbing plate clamp 17 is arranged on the lifting ring 18. The grabbing plate clamp 17 can grab and release the sound barrier plate.

[0025] The two ends of the steel wire cable 19 are bent to form a sleeve ring 22, and the two sleeve rings 22 are respectively sleeved on the two fixed pulleys 20 at the two ends of the truss structure 13.

[0026] A lifting device for disassembling and assembling highway sound barrier plates comprises the adjustable hoist arm of any one of the above, further comprising a bottom base, an L-shaped support frame 6 and a hoisting driving member, the hoisting driving member comprises a steel wire cable 14, a fixed pulley 24, a movable pulley 25, a hook 26 and a winch 16, the vertical rod of the L-shaped support frame 6 is arranged on the bottom base, the horizontal rod of the L-shaped support frame 6 is provided with the winch 16 and the fixed pulley 24 at the top, the steel wire cable 14 is connected to the winch 16, one end of the steel wire cable 14 away from the winch 16 is fixed at the bottom of the horizontal rod of the L-shaped support frame 6, the steel wire cable 14 passes through the fixed pulley 24 and the movable pulley 25 in sequence, the hook 26 is arranged at the bottom of the movable pulley 25, a lifting lug 27 is arranged at the top of the truss structure 13, and the hook 26 is connected with the lifting lug 27.

[0027] The bottom base comprises a rectangular hollow square steel 1 and a connecting square steel 3, two rectangular hollow square steels 1 are arranged in parallel, and the two rectangular hollow square steels 1 are connected through three connecting square steels 3, a load-bearing steel plate 4 is arranged on two of the connecting square steels 3, and a tensioning steel plate 5 is arranged on the other connecting square steel 3.

[0028] Also include the tie rod 7, the tie pad 8, the connecting pad 9 and the H-shaped steel stiffener 10, the H-shaped steel stiffener 10 is welded with the two ends of the L-shaped support rod 6 to form a triangular support frame, the connecting pad 9 is arranged at the bottom of the triangular support frame, the connecting pad 9 is bolted with the bearing steel plate 4, the right-angle outer part of the triangular support frame and the top of the tie rod 7 are both provided with mounting plates 28, the two mounting plates 28 are bolted, the tie rod 7 is welded with the tie pad 8 at the bottom, and the tie pad 8 is bolted with the tie steel plate 5.

[0029] Installation steps:

[0030] (1) At the construction site, first process each part according to the size, then weld two rectangular hollow square steels 1 and three connecting square steels 3 to form a bottom base;

[0031] (2) Connect the tie rod 7, the H-shaped steel stiffener 10 and the L-shaped support frame 6 on the bottom base;

[0032] (3) Install the hoisting driving part and the adjustable hoisting arm.

[0033] Method for use: the sound barrier plate is grabbed through the grab plate clamp 17 at the bottom of the shuttle-shaped steel frame 13, the grab plate clamp 17 can be selected according to the need, at this time, self-adjusting is achieved by sliding the movable pulley 21 on the steel wire cable 19 to balance, then the hoisting machine 16 is started to hoist and transport for installation or disassembly, during the hoisting process, manual righting is not required, the stability and safety of hoisting are improved, and the disassembly and assembly efficiency is improved.

[0034] Although the specific embodiments of the utility model have been described in combination with the drawings, it is not a limitation on the protection scope of the utility model, various modifications or deformations made by the person skilled in the art on the basis of the technical scheme of the utility model without creative labor are still within the protection scope of the utility model.

Claims

1. An adjustable boom for assembling and disassembling highway sound barrier panels, characterized in that: The truss structure (13), the balancing component and the gripping component are included. The balancing component includes a steel wire cable (19), a fixed pulley (20) and a movable pulley (21). Several fixed pulleys (20) are evenly arranged at the bottom of the truss structure (13). The steel wire cable (19) is arranged in a wave shape along the length of the truss structure (13). The two ends of the steel wire cable (19) are fixedly connected to two fixed pulleys (20) at both ends of the truss structure (13). A movable pulley (21) is arranged on the steel wire cable (19) between two adjacent fixed pulleys (20). A gripping component is arranged at the bottom of the movable pulley (21).

2. The adjustable boom for assembling and disassembling highway sound barrier panels according to claim 1, characterized in that: The gripping assembly includes a gripping plate clamp (17) and a lifting ring (18). The bottom of the movable pulley (21) is provided with a lifting ring (18) via a connecting plate (23), and the gripping plate clamp (17) is provided on the lifting ring (18).

3. The adjustable boom for assembling and disassembling highway sound barrier panels according to claim 2, characterized in that: steel wire... Both ends of cable 1 (19) are bent to form collars (22), and the two collars (22) are respectively fitted onto the two fixed pulleys 1 (20) at both ends of the truss structure (13).

4. A lifting device for dismantling and assembling highway sound barrier panels, comprising the adjustable boom described in any one of claims 1-3, characterized in that: It also includes a base, an L-shaped support frame (6) and a hoisting drive component. The hoisting drive component includes a second steel wire rope (14), a second fixed pulley (24), a second movable pulley (25), a hook (26) and a winch (16). The vertical rod of the L-shaped support frame (6) is set on the base. The winch (16) and the second fixed pulley (24) are set on the top of the horizontal rod of the L-shaped support frame (6). The second steel wire rope (14) is connected to the winch (16). The end of the second steel wire rope (14) away from the winch (16) is fixed to the bottom of the horizontal rod of the L-shaped support frame (6). The second steel wire rope (14) passes through the second fixed pulley (24) and the second movable pulley (25) in sequence. The hook (26) is set at the bottom of the second movable pulley (25). The first lifting lug (27) is set on the top of the truss structure (13). The hook (26) is connected to the first lifting lug (27).

5. The lifting tool for disassembling and assembling highway sound barrier panels according to claim 4, characterized in that: The base includes rectangular hollow square steel (1) and connecting square steel (3). Two rectangular hollow square steels (1) are arranged in parallel. The two rectangular hollow square steels (1) are connected by three connecting square steels (3). Load-bearing steel plates (4) are set on two of the connecting square steels (3), and tie plates (5) are set on the other connecting square steel (3).

6. The lifting tool for disassembling and assembling highway sound barrier panels according to claim 5, characterized in that: It also includes tie rods (7), tie pads (8), connecting pads (9) and H-beam stiffeners (10). The H-beam stiffeners (10) are welded to both ends of the L-shaped support rods (6) to form a triangular support frame. A connecting pad (9) is set at the bottom of the triangular support frame. The connecting pad (9) is bolted to the load-bearing steel plate (4). Mounting plates (28) are set on the right-angled outside of the triangular support frame and the top of the tie rods (7). The two mounting plates (28) are bolted together. Tie pads (8) are welded to the bottom of the tie rods (7). The tie pads (8) are bolted to the tie steel plate (5).

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