Personnel anti-falling device for unloading and loading ultrahigh materials of large truck

By designing a fall arrestor for large trucks, the risk of workers falling from heights while unloading steel structural components was eliminated, achieving a simple, safe, and economical protection effect.

CN223901100UActive Publication Date: 2026-02-13CHINA NAT CHEM ENG NO 14 CONSTR
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Patent Information

Application Number
CN202520069022.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2026-02-13
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

When transporting and unloading steel structural components in large trucks, workers face the risk of falling from heights due to a lack of reliable protection. Existing protective measures such as safety belts and unloading platforms are either inconvenient or costly.

Method used

A fall protection device was designed, comprising a base, a vertical pole, a rotating frame, a fall arrestor, and a suspension rope. The vertical pole is higher than the goods, the fall arrestor is hooked behind the worker, and the suspension rope is connected to a lifting ring. The device has a simple structure, is easy to use, and can quickly tighten to provide protection when a worker falls.

Benefits of technology

It improves the safety of staff, simplifies the operation process, reduces costs, and has a wide range of applications, suitable for different installation situations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The personnel anti-falling device comprises a base, a vertical rod, a rotating frame, an anti-falling device and a lifting rope, the base comprises a bottom plate and a limiting hollow column, the limiting hollow column is vertically fixed to the bottom plate, the lower end of the vertical rod is movably arranged in the limiting hollow column, the rotating frame is arranged on the vertical rod, and the anti-falling device is arranged on the rotating frame. A lifting ring is arranged at the uppermost end of the vertical rod, one end of the lifting rope is connected with the lifting ring, a waist slimming part is arranged on the vertical rod below the lifting ring, the rotating frame comprises a connecting cylinder and a supporting frame, the inner end of the supporting frame is fixed to the outer side of the connecting cylinder, the waist slimming part is movably sleeved with the connecting cylinder, and one end of the falling protector is arranged at the outer end of the supporting frame. When the falling protector is used, the bottom plate is pressed under an automobile tire, the vertical rod is higher than goods, the other end of the falling protector is hooked on the back of a worker, the falling protector is simple in structure and convenient to use, the safety belt can be quickly tightened at the moment when the worker falls down, the worker at the high position is protected, and safety is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of safety hoisting auxiliary equipment, and particularly relates to a personnel anti-falling device for unloading of super-high material of large truck. BACKGROUND

[0002] Now many buildings need to use steel structural members, and common steel structural members are long and large, are transported by large trucks, are stacked to be three or four meters high, and need to be hoisted down by a crane after reaching the construction site, and must be hoisted with the cooperation of workers, the workers need to climb on the truck and work on the very high truck, and the height has already exceeded the guardrail of the truck, in the process, due to lack of reliable protection, a slight carelessness can fall from a high place, and great safety risks are faced. Therefore, a safety belt is generally used for protection, one end of which is bound around the waist, and the other end is hooked on the small arm of the crane, but since the crane needs to be stopped and rotated, it is very inconvenient, or an unloading platform needs to be built, but the unloading platform is very troublesome to build and needs to increase the cost, so a personnel anti-falling device needs to be researched and developed to protect the construction safety of workers. SUMMARY

[0003] To solve the above problems, the utility model discloses a personnel anti-falling device for unloading of super-high material of large truck, simple structure, convenient to use, can protect the workers at a high place, and reduce the safety hazards.

[0004] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0005] A personnel anti-falling device for unloading of super-high material of large truck, including base, vertical rod, rotating frame, anti-falling device and sling rope, the base includes bottom plate and limiting hollow column, the limiting hollow column is vertically fixed on the bottom plate, the lower end of the vertical rod is movably arranged in the limiting hollow column, the uppermost end of the vertical rod is provided with a lifting ring, one end of the sling rope is connected with the lifting ring, the vertical rod below the lifting ring is provided with a waist part, the rotating frame includes a connecting barrel and a support frame, the inner end of the support frame is fixed on the outer side of the connecting barrel, the connecting barrel is movably sleeved on the waist part, and one end of the anti-falling device is arranged at the outer end of the support frame.

[0006] As a supplement of the utility model, the vertical rod is assembled by 2-6 short rods, the length of each short rod is 1-2 m, and adjacent short rods are connected through flanges.

[0007] As a supplement of the utility model, semicircular bosses are arranged on both sides of the upper surface of the bottom plate.

[0008] As a supplement of the utility model, handles are arranged on both sides of the bottom plate.

[0009] As a supplement of the utility model, the vertical rod is connected with the limiting hollow column through a bolt.

[0010] As a supplement of the utility model, the limiting hollow column is provided with a reinforcing rib outside.

[0011] As a supplement of the utility model, the vertical rod is provided with a spring clamp on the side.

[0012] As a supplement of the utility model, the waist-thinning part is provided with a bearing outside.

[0013] As a supplement of the utility model, the support frame is in a triangular structure.

[0014] As a supplement of the utility model, the support frame is connected with the anti-falling device through a ring buckle.

[0015] The utility model has the advantages of:

[0016] The personnel anti-falling device for large truck over-height material unloading has the advantages that when in use, the bottom plate is pressed under the automobile tire, the vertical rod is higher than the height of the goods, and the other end of the anti-falling device is hooked behind the worker, so that the device is simple in structure and convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model discloses a structural schematic diagram.

[0018] Figure 2 The utility model discloses a base schematic diagram.

[0019] LIST OF FIGURES

[0020] 1, base, 2, vertical rod, 3, rotating frame, 4, anti-falling device, 5, hanging rope, 6, bottom plate, 7, limiting hollow column, 8, lifting ring, 9, waist-thinning part, 10, connecting barrel, 11, support frame, 12, flange, 13, semicircular lug, 14, handle, 15, bolt, 16, reinforcing rib, 17, spring clamp, 18, ring buckle, 19, car pressure area. DETAILED DESCRIPTION

[0021] The utility model will be further illustrated in connection with the drawings and specific embodiments, and it should be understood that the following specific embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model.

[0022] As Figure 1As shown in the utility model, personnel anti-falling device for large truck ultra-high material unloading, including base 1, vertical rod 2, rotating frame 3, anti-falling device 4 and sling 5, the base 1 includes bottom plate 6 and limiting hollow column 7, the limiting hollow column 7 is vertically fixed on bottom plate 6, the lower end of vertical rod 2 is movably arranged in limiting hollow column 7, and the uppermost end of vertical rod is provided with a lifting ring 8, one end of sling 5 is connected with lifting ring 8, a slim waist part 9 is arranged on the vertical rod below lifting ring, the rotating frame 3 includes connecting cylinder 10 and support frame 11, the inner end of support frame 11 is fixed on the outside of connecting cylinder 10, the connecting cylinder 10 is movably sleeved on the slim waist part 9, and one end of anti-falling device 4 is arranged at the outer end of support frame 11.

[0023] Before work, base 1 and vertical rod 2 are separated, the length of base 1 is 0.8-1m, the limiting hollow column 7 is not in the middle of bottom plate 6, but is arranged at one end of bottom plate, and the other end of bottom plate 6 is a vehicle pressing area 19, when installation, base 1 is placed on the ground, a large truck is driven to the vehicle pressing area 19, and one tire is stopped on the vehicle pressing area 19, the bottom plate 6 is pressed (the whole device is fixed), then the sling 5 is hoisted by a crane, the vertical rod 2 is hoisted and vertically inserted into the limiting hollow column 7, and is fixed by a bolt 15, the height of the vertical rod 2 of the utility model is generally 6-8m, which is higher than the height (maximum 4.5m) of goods transported by the large truck, then the unloading personnel climb on the vehicle and stand on the steel structure (the upper body of the unloading personnel is tied with a safety belt), the tail end of the anti-falling device 4 hooks the safety belt of the upper body of the unloading personnel, and the anti-falling device 4 also normally works when the unloading personnel moves normally, if the unloading personnel rapidly falls due to an emergency, the rope of the anti-falling device 4 will be immediately taut, protecting the unloading personnel (similar to an automobile safety belt), the device has the advantages of simple structure, convenient use, high safety, fast loading and unloading, repeated use and cost saving.

[0024] The utility model divides the vertical rod 2 into 2-6 short rods, the length of each short rod is 1-2m, adjacent short rods are connected through flanges 12, the defect that component is too long to be hoisted is avoided, and the application range is expanded, and the number of short rods to be installed can be determined according to actual conditions.

[0025] As shown in the utility model, half-round lugs 13 are arranged on both sides of the upper surface of the bottom plate 6, Figure 2 As shown in the utility model, after the truck is parked, the tire is stopped on the vehicle pressing area 19, and between the two half-round lugs 13, so that the bottom plate 6 cannot be transversely moved, and the safety of the whole device is improved.

[0026] The utility model is provided with handles 14 on both sides of the bottom plate 6, so that the device can be carried after use, which is convenient and fast.

[0027] The utility model is provided with reinforcing ribs 16 on the outside of the limiting hollow column 7, so that the strength is improved, and the service life is prolonged.

[0028] The hanging rope 5 is naturally hung down after the vertical rod is hung, in order to prevent the swinging from affecting the hoisting, and therefore the utility model is provided with the spring clamp 17 on the side of the vertical rod 2, and the lower end of the hanging rope 5 is clamped in the spring clamp 17 (not tightly stretched, but with a surplus, which limits the arbitrary flying of the hanging rope).

[0029] The utility model discloses a bearing is equipped on the outside of the slim waist part 9, and the rotating frame 3 can rotate 360 DEG with the vertical rod 2 as the center.

[0030] The utility model discloses a supporting frame 11 is in triangular structure, and also in order to increase the security.

[0031] The utility model discloses a supporting frame 11 is connected with the anti-falling device 4 through the ring buckle 18, and is convenient to disassemble.

[0032] It should be noted that the above content only illustrates the technical idea of the utility model, and cannot limit the protection scope of the utility model, and for ordinary skilled persons in the technical field, some improvements and decorations can be made without departing from the principle of the utility model, and the improvements and decorations all fall within the protection scope of the utility model claim.

Claims

1. A personnel fall protection device for unloading excessively tall materials from large trucks, characterized in that: The device includes a base (1), a vertical rod (2), a rotating frame (3), a fall arrestor (4), and a suspension rope (5). The base (1) includes a base plate (6) and a limiting hollow column (7). The limiting hollow column (7) is vertically fixed on the base plate (6). The lower end of the vertical rod (2) is movably disposed inside the limiting hollow column (7). The uppermost end of the vertical rod is provided with a hanging ring (8). One end of the suspension rope (5) is connected to the hanging ring (8). A narrow waist part (9) is provided on the vertical rod below the hanging ring. The rotating frame (3) includes a connecting cylinder (10) and a support frame (11). The inner end of the support frame (11) is fixed to the outer side of the connecting cylinder (10). The connecting cylinder (10) is movably sleeved on the narrow waist part (9). One end of the fall arrestor (4) is disposed at the outer end of the support frame (11).

2. The personnel fall protection device for unloading excessively tall materials from large trucks according to claim 1, characterized in that: The base plate (6) has semi-circular protrusions (13) on both sides of its upper surface.

3. A personnel fall protection device for unloading excessively tall materials from large trucks according to claim 1, characterized in that: The base plate (6) is provided with handles (14) on both sides.

4. A personnel fall protection device for unloading excessively tall materials from large trucks according to claim 1, characterized in that: The vertical rod (2) is connected to the limiting hollow column (7) by a pin (15).

5. A personnel fall protection device for unloading excessively tall materials from large trucks according to claim 1, characterized in that: The limiting hollow column (7) is provided with reinforcing ribs (16) on the outside.

6. A personnel fall protection device for unloading excessively tall materials from large trucks according to claim 1, characterized in that: The vertical rod (2) is provided with a spring clip (17) on its side.

7. A personnel fall protection device for unloading excessively tall materials from large trucks according to claim 1, characterized in that: The waist-slimming part (9) has a bearing on its outer side.

8. A personnel fall protection device for unloading excessively tall materials from large trucks according to claim 1, characterized in that: The support frame (11) has a triangular structure.

9. A personnel fall protection device for unloading excessively tall materials from large trucks according to claim 1, characterized in that: The support frame (11) is connected to the fall arrestor (4) via a ring (18).

10. A personnel fall protection device for unloading excessively tall materials from large trucks according to claim 1, characterized in that: The vertical rod (2) is composed of 2-6 short rods, each short rod is 1-2m long, and adjacent short rods are connected by flanges (12).