Boarding bridge device with adjustable disassembly and assembly damping

Abstract

An upper approach bridge and a main bridge body are respectively installed on two sides of a supporting main frame through hinges, the main bridge body and the supporting main frame are further connected with a supporting oblique arm, one end of the supporting oblique arm is hinged to the bottom of the supporting main frame, and the other end of the supporting oblique arm is hinged to the middle position of the main bridge body. The upper approach bridge is hinged to the bottom of the main bridge body, the lower approach bridge is hinged to the bottom of the main bridge body, the surfaces of the upper approach bridge, the main bridge body and the lower approach bridge are smoothly connected, the main bridge body is provided with a conveying belt structure, the conveying belt structure comprises a plurality of conveying rollers and a conveying belt unit, and the conveying rollers are arranged in the length direction of the main bridge body; the roller surfaces of the conveying rollers are flush with the same plane to form a conveying roller surface, and at least one conveying roller located at the highest position is provided with a damping structure with the adjustable size. The conveying belt unit is wound around the conveying rollers. Compared with the prior art, the practicability of the dock leveler is improved, and the convenience and safety of cargo unloading and loading are further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of logistics equipment, in particular to a loading and unloading damping adjustable boarding bridge device. Background Art

[0002] Loading ramps are often used to unload and load cargo from vans, trucks and other transport vehicles. Because loading ramps have a relatively flat bridge deck, they facilitate loading and unloading of cargo, improve logistics efficiency, ensure the safety of cargo unloading, and reduce the labor intensity of operators.

[0003] However, the deck of existing loading ramps is mostly a simple one-piece plane. When unloading goods, the goods generally slide down and slow down due to the friction between the outer packaging and the deck, which will cause scratches on the outer packaging of the goods. In addition, the falling speed of goods of different weights is different, and manual intervention is required, such as assisting pushing or blocking to slow down. It can be seen that the existing loading ramps still have disadvantages when unloading goods. The sliding speed is uncontrollable and external force is required to assist unloading. Therefore, it is necessary to improve them. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a loading and unloading ramp device with adjustable damping, which can smoothly unload and transport goods through a bridge deck structure with adjustable damping, avoid damage to the outer packaging of goods, reduce manual unloading assistance, and improve the safety attributes of the equipment.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a loading and unloading damping adjustable boarding bridge device, including a supporting main frame, an upper approach bridge, a main bridge body and a lower approach bridge, the upper approach bridge and the main bridge body are respectively installed on both sides of the supporting main frame by hinges, and the main bridge body and the supporting main frame are also connected with a supporting oblique arm, one end of the supporting oblique arm is hinged to the bottom of the supporting main frame, and the other end is hinged to the middle position of the main bridge body; the lower approach bridge is hingedly installed at the bottom of the main bridge body, and the surfaces of the upper approach bridge, the main bridge body and the lower approach bridge are smoothly connected, wherein the main bridge body is provided with a conveyor belt structure, the conveyor belt structure includes a plurality of conveyor rollers and a conveyor belt unit, each conveyor roller is arranged along the length direction of the main bridge body, and the roller surface of each conveyor roller is flush with the same plane to form a conveyor roller surface, and at least one conveyor roller located at the highest point is provided with a damping structure with adjustable size; the conveyor belt unit is wound around each conveyor roller.

[0006] In a further technical solution, the main bridge body includes a bridge body support, the bridge body support is provided with multiple roller shaft positions, and bearings are respectively provided on both sides of each roller shaft position; the conveying roller includes a roller body and a roller shaft, and the two ends of the roller shaft are respectively connected to the corresponding bearings, and the damping structure is arranged at one end of the roller shaft, and the damping structure includes a damping plate, a pressure ring, a pressure spring, a top plate, an adjusting nut and a limiting nut, the damping plate, the pressure ring, the pressure spring and the top plate are sequentially sleeved on the roller shaft, and the inner side surface of the damping plate is frictionally matched with the bridge body support; an external thread structure is provided at the end of the roller shaft, the adjusting nut and the limiting nut are threadedly assembled on the external thread structure of the roller shaft in sequence, and the inner side surface of the adjusting nut presses on the top plate, and the limiting nut and the adjusting nut are limitedly matched.

[0007] In a further technical solution, a limiting ring and a locking nut are provided at one end of the roller shaft away from the damping structure. The limiting ring is sleeved on the roller shaft and limitedly cooperates with the bridge body support; the locking nut is threadedly assembled on the roller shaft and abuts against the limiting ring.

[0008] In a further technical solution, a damping structure is provided at the end of the conveying roller to form a damping adjustable roller group; three damping zones are provided in each conveying roller, each damping zone is located at a different height of the main bridge body, and each damping zone is provided with a damping adjustable roller group.

[0009] In a further technical solution, a boarding bridge assembly is provided on both sides of the supporting main frame, each boarding bridge assembly includes an upper approach bridge, a main bridge body and a lower approach bridge, the two boarding bridge assemblies are symmetrically arranged, and a synchronous connecting pipe is connected between the two boarding bridge assemblies, and the two ends of the synchronous connecting pipe are respectively connected to the main bridge body or the lower approach bridge of the boarding bridge assembly on the corresponding side.

[0010] In a further technical solution, a hinge locking structure is provided between the upper approach bridge and the supporting main frame; the upper approach bridge includes an upper bracket and an upper bridge deck, the upper bracket is hinged to the supporting main frame, and a limit hook is provided at the outer end of the upper bracket.

[0011] In a further technical solution, a supporting oblique arm is provided between the main bridge body and the supporting main frame, and the supporting oblique arm includes a sliding rod body and a connecting rod, the connecting rod is movably connected to the sliding rod body, the bottom end of the sliding rod body is hinged to the supporting main frame, and the top end of the connecting rod is hinged to the middle position of the main bridge body, wherein the sliding rod body is provided with a plurality of adjusting pin holes and an adjusting plug, the adjusting pin holes are arranged at intervals along the length direction of the sliding rod body, the adjusting plug is selectively connected to a corresponding adjusting pin hole, and the adjusting plug is clamped to the connecting rod.

[0012] In a further technical solution, the lower approach bridge includes a lower bracket with a right-angled triangle cross-section. The upper part of the lower bracket is hinged to the main bridge body. A plurality of steel bars are welded to the inclined surface of the lower bracket to form a deceleration surface belt. The deceleration surface belt is smoothly connected to the assembly and disassembly mating surface of the main bridge body.

[0013] In a further technical solution, the surface of the conveyor belt unit is provided with a rubber surface layer for enhancing friction, and the rubber surface layer is provided with a concave-convex structure.

[0014] After adopting the above structure, the advantages of the utility model compared with the prior art are as follows: the utility model provides a loading and unloading ramp device with adjustable damping, and the cargo is unloaded by providing a conveyor belt structure with adjustable damping on the main bridge body, thereby avoiding movement friction between the outer packaging of the cargo and the loading and unloading ramp, thereby avoiding damage to the outer packaging of the cargo, and improving the unloading efficiency; by arranging a conveyor roller with adjustable damping in the conveyor belt structure, the operator can adjust the damping according to the cargo weight specification, thereby realizing safe, fast and reliable unloading and loading of heavy cargo, with wide applicability and improved practicality of the equipment; by arranging a rubber surface layer on the surface of the conveyor belt, slipping with the cargo is avoided, the probability of unloading and falling off the bridge is reduced, and the safety of the equipment is further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 It is a cross-sectional schematic diagram of the utility model.

[0018] Figure 3 It is a structural schematic diagram of the damping adjustable roller group in the utility model. DETAILED DESCRIPTION

[0019] The following are only preferred embodiments of the present invention, and do not limit the protection scope of the present invention.

[0020] A loading and unloading damping adjustable boarding bridge device comprises a supporting main frame 1, an upper approach bridge 4, a main bridge body 2 and a lower approach bridge 3, wherein the upper approach bridge 4 and the main bridge body 2 are respectively mounted on both sides of the supporting main frame 1 by hinges, and the main bridge body 2 and the supporting main frame 1 are also connected with a supporting oblique arm, one end of the supporting oblique arm is hinged to the bottom of the supporting main frame 1, and the other end is hinged to the middle position of the main bridge body 2; the lower approach bridge 3 is hingedly mounted at the bottom of the main bridge body 2, and the surfaces of the upper approach bridge 4, the main bridge body 2 and the lower approach bridge 3 are smoothly connected, wherein the main bridge body 2 is provided with a conveyor belt structure, the conveyor belt structure comprises a plurality of conveyor rollers 22 and a conveyor belt unit 21, each conveyor roller 22 is respectively arranged along the length direction of the main bridge body 2, and the roller surface of each conveyor roller 22 is respectively flush with the same plane to form a conveyor roller 22 surface, and at least one conveyor roller 22 located at the highest point is provided with a damping structure with adjustable size; the conveyor belt unit 21 is wound around each conveyor roller 22.

[0021] The utility model provides a loading and unloading ramp device with adjustable damping. A conveyor belt structure with adjustable damping is provided on the main bridge body 2 to carry out loading and unloading of goods, thereby avoiding movement friction between the outer packaging of the goods and the loading and unloading ramp to avoid damage to the outer packaging of the goods, and improving the loading and unloading efficiency.

[0022] Specifically, the main bridge body 2 includes a bridge body support 20, and the bridge body support 20 is provided with a plurality of roller shaft positions 2001, and bearings 2201 are respectively provided on both sides of each roller shaft position 2001; the conveying roller 22 includes a roller body and a roller shaft, and the two ends of the roller shaft are respectively connected to the corresponding bearings 2201, and the damping structure is provided at one end of the roller shaft, and the damping structure includes a damping plate 2202, a pressure ring 2203, a pressure spring 2204, a top plate 2205, an adjusting nut 2206 and a limiting nut 2207 The damping plate 2202, the pressure ring 2203, the pressure spring 2204 and the top plate 2205 are sequentially sleeved on the roller shaft, and the inner side surface of the damping plate 2202 is frictionally matched with the bridge body support 20; an external thread structure is provided at the end of the roller shaft, and the adjusting nut 2206 and the limiting nut 2207 are threadedly assembled on the external thread structure of the roller shaft in sequence, and the inner side surface of the adjusting nut 2206 presses on the top plate 2205, and the limiting nut 2207 and the adjusting nut 2206 are limitedly matched.

[0023] By arranging a conveyor roller 22 with adjustable damping in the conveyor belt structure, the operator can adjust the damping according to the weight specification of the cargo, thereby realizing safe, fast and reliable unloading and loading of heavy cargo, which has wide applicability and improves the practicability of the equipment.

[0024] Specifically, a limiting ring 2002 and a locking nut are provided at one end of the roller shaft away from the damping structure. The limiting ring 2002 is sleeved on the roller shaft and is limitedly matched with the bridge support 20; the locking nut is threadedly assembled on the roller shaft and abuts against the limiting ring 2002.

[0025] Specifically, a damping structure is provided at the end of the conveying roller 22 to form a damping adjustable roller group; each conveying roller 22 is provided with three damping zones, each damping zone is located at a different height of the main bridge body 2, and each damping zone is provided with a damping adjustable roller group.

[0026] Specifically, a boarding bridge assembly is provided on both sides of the supporting main frame 1, and each boarding bridge assembly includes an upper approach bridge 4, a main bridge body 2 and a lower approach bridge 3. The two boarding bridge assemblies are symmetrically arranged, and a synchronous connecting pipe 5 is connected between the two boarding bridge assemblies. The two ends of the synchronous connecting pipe 5 are respectively connected to the main bridge body 2 or the lower approach bridge 3 of the boarding bridge assembly on the corresponding side.

[0027] Specifically, a hinge locking structure is provided between the upper approach bridge 4 and the supporting main frame 1; the upper approach bridge 4 includes an upper bracket and an upper bridge deck, the upper bracket is hinged to the supporting main frame 1, and a limit hook 41 is provided at the outer end of the upper bracket.

[0028] Specifically, the supporting inclined arm includes a sliding bar body 11 and a connecting rod 12, the connecting rod 12 is movably connected to the sliding bar body 11, the bottom end of the sliding bar body 11 is hinged to the supporting main frame 1, and the top end of the connecting rod 12 is hinged to the middle position of the main bridge body 2, wherein the sliding bar body 11 is provided with a plurality of adjusting pin holes 011 and an adjusting plug 012, the adjusting pin holes 011 are arranged at intervals along the length direction of the sliding bar body 11, the adjusting plug 012 is selectively connected to a corresponding adjusting pin hole 011, and the adjusting plug 012 is clamped to the connecting rod 12.

[0029] Specifically, the lower approach bridge 3 includes a lower bracket with a right-angled triangle cross-section. The upper part of the lower bracket is hinged to the main bridge body 2. A plurality of steel bars are welded to the inclined surface of the lower bracket to form a deceleration surface belt, which is smoothly connected to the assembly and disassembly mating surface of the main bridge body 2.

[0030] Specifically, the surface of the conveyor belt unit 21 is provided with a rubber surface layer for enhancing friction, and the rubber surface layer is provided with a concave-convex structure. By providing the rubber surface layer on the surface of the conveyor belt 21, slipping with the goods is avoided, the probability of unloading and falling off the bridge is reduced, and the safety of the equipment is further improved.

[0031] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A vehicle boarding bridge device with adjustable loading and unloading damping, characterized in that: The invention comprises a supporting main frame (1), an upper approach bridge (4), a main bridge body (2) and a lower approach bridge (3), wherein the upper approach bridge (4) and the main bridge body (2) are respectively mounted on both sides of the supporting main frame (1) by hinges, and the main bridge body (2) and the supporting main frame (1) are further connected with a supporting inclined arm, one end of the supporting inclined arm is hinged to the bottom of the supporting main frame (1), and the other end is hinged to the middle position of the main bridge body (2); the lower approach bridge (3) is hingedly mounted on the bottom of the main bridge body (2), and the surfaces of the upper approach bridge (4), the main bridge body (2) and the lower approach bridge (3) are smoothly connected. The main bridge body (2) is provided with a conveyor belt structure, which includes a plurality of conveyor rollers (22) and a conveyor belt unit (21). The conveyor rollers (22) are arranged along the length direction of the main bridge body (2). The roller surfaces of the conveyor rollers (22) are flush with the same plane to form a conveyor roller (22) surface. At least one of the conveyor rollers (22) at the highest point is provided with a damping structure with adjustable size. The conveyor belt unit (21) is wound around each conveyor roller (22).

2. The vehicle boarding ramp device with adjustable loading and unloading damping according to claim 1 is characterized in that: The main bridge body (2) comprises a bridge body support (20), the bridge body support (20) is provided with a plurality of roller shaft positions (2001), and bearings (2201) are respectively provided on both sides of each roller shaft position (2001); the conveying roller (22) comprises a roller body and a roller shaft, and both ends of the roller shaft are respectively connected to corresponding bearings (2201). The damping structure is arranged at one end of the roller shaft, and the damping structure comprises a damping plate (2202), a pressure ring (2203), a pressure spring (2204), a top plate (2205), an adjusting nut (2206) and a limiting nut (2207). The damping plate (2202), the pressure ring (2203), the pressure spring (2204) and the top plate (2205) are sequentially sleeved on the roller shaft, and the inner side surface of the damping plate (2202) is frictionally matched with the bridge support (20); an external thread structure is provided at the end of the roller shaft, and the adjusting nut (2206) and the limiting nut (2207) are threadedly assembled on the external thread structure of the roller shaft in sequence, and the inner side surface of the adjusting nut (2206) presses against the top plate (2205), and a limiting match is made between the limiting nut (2207) and the adjusting nut (2206).

3. The vehicle boarding ramp device with adjustable loading and unloading damping according to claim 2 is characterized in that: A limiting ring (2002) and a locking nut are provided at one end of the roller shaft away from the damping structure; the limiting ring (2002) is sleeved on the roller shaft and is limitedly matched with the bridge support (20); the locking nut is threadedly assembled on the roller shaft and abuts against the limiting ring (2002).

4. The vehicle boarding ramp device with adjustable loading and unloading damping according to claim 3 is characterized in that: The damping structure is provided at the end of the conveying roller (22) to form a damping adjustable roller group; each of the conveying rollers (22) is provided with three damping zones, each damping zone is located at a different height of the main bridge body (2), and each damping zone is provided with a damping adjustable roller group.

5. The vehicle boarding ramp device with adjustable loading and unloading damping according to claim 1 is characterized in that: A boarding bridge assembly is provided on each side of the supporting main frame (1), and each boarding bridge assembly comprises the upper approach bridge (4), the main bridge body (2) and the lower approach bridge (3). The two boarding bridge assemblies are symmetrically arranged, and a synchronous connecting pipe (5) is connected between the two boarding bridge assemblies. The two ends of the synchronous connecting pipe (5) are respectively connected to the main bridge body (2) or the lower approach bridge (3) of the boarding bridge assembly on the corresponding side.

6. The vehicle boarding ramp device with adjustable loading and unloading damping according to claim 5, characterized in that: A hinge locking structure is provided between the upper approach bridge (4) and the supporting main frame (1); the upper approach bridge (4) comprises an upper bracket and an upper bridge deck, the upper bracket is hinged to the supporting main frame (1), and a limit hook (41) is provided at the outer end of the upper bracket.

7. The vehicle boarding ramp device with adjustable loading and unloading damping according to claim 6, characterized in that: The supporting inclined arm comprises a slide bar body (11) and a plug-in rod (12), wherein the plug-in rod (12) is movably plugged into the slide bar body (11), the bottom end of the slide bar body (11) is hinged to the supporting main frame (1), and the top end of the plug-in rod (12) is hinged to the middle position of the main bridge body (2), wherein the slide bar body (11) is provided with a plurality of adjustment pin holes (011) and an adjustment plug pin (012), the adjustment pin holes (011) are arranged at intervals along the length direction of the slide bar body (11), the adjustment plug pin (012) is selectively plugged into a corresponding adjustment pin hole (011), and the adjustment plug pin (012) is clamped to the plug-in rod (12).

8. The vehicle boarding ramp device with adjustable loading and unloading damping according to claim 7, characterized in that: The lower approach bridge (3) comprises a lower bracket with a right triangle cross-section, the upper portion of the lower bracket being hinged to the main bridge body (2), a plurality of steel bars being welded to the inclined surface of the lower bracket to form a deceleration surface belt, and the deceleration surface belt is smoothly connected to the assembly and disassembly mating surface of the main bridge body (2).

9. The vehicle boarding ramp device with adjustable loading and unloading damping according to claim 1, characterized in that: The surface of the conveyor belt unit (21) is provided with a rubber surface layer for enhancing friction, and the rubber surface layer is provided with a concave-convex structure.

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