Manned hoisting equipment for granary inspection

By installing a rotary unloader above the basket and setting an extension bracket on one side of the load-bearing frame, the problem of basket swaying and tilting in complex environments for manned hoisting equipment has been solved, thus improving safety and stability.

CN224030590UActive Publication Date: 2026-03-24ZHENJIANG GRAIN RESERVE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Traditional manned hoisting equipment is prone to basket swaying and tilting in tall silos and deep-pit grain silos, posing serious safety hazards, especially the rotation problem of wire ropes caused by accumulated torque or load deviation.

Method used

A rotary unloader is installed on the wire rope above the suspended platform to offset part of the torque and prevent the wire rope from twisting continuously. At the same time, an extension bracket is provided on one side of the load-bearing frame to increase the support points and improve the stability of the equipment.

Benefits of technology

This effectively prevents the wire rope from getting tangled and the suspended platform from rotating, ensuring the safety of the workers and improving the safety and stability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses manned hoisting equipment for granary inspection, which comprises a hanging basket and a hoisting hoister, the hanging basket is connected with the hoisting hoister through a steel wire rope, and the lifting of the hanging basket is realized under the action of the hoisting hoister; the hanging basket is hung on an upper cross beam of the load-bearing rack through a steel wire rope, and the hoisting hoister is installed on a stand column of the load-bearing rack; the rotary unloading device is mounted on the steel wire rope above the hanging basket, and when the steel wire rope generates torsion due to hoisting angle or load deviation, part of the torsion is counteracted through the rotary unloading device, so that continuous torsion of the steel wire rope is avoided. According to the manned hoisting equipment disclosed by the utility model, the rotary unloading device is arranged on the steel wire rope above the hanging basket, and when the steel wire rope generates torsion due to hoisting angle or load deviation, part of torsion is counteracted through the rotary unloading device to avoid continuous torsion of the steel wire rope, so that mutual winding of the steel wire rope and rotation of the hanging basket are avoided, and the safety of operators is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting equipment technical field, especially in grain storehouse inspection uses manned hoisting equipment. BACKGROUND

[0002] Grain storage safety is an important link of guaranteeing national grain reserves and food safety. Traditional grain storehouse inspection mostly relies on artificial climbing, erecting scaffold or using simple lifting device to enter the storehouse, and there are problems such as low operation efficiency, high safety hidden danger and great labor intensity.

[0003] Especially in high and large silos, deep pit type grain storehouse and other complex environments, although the manned lifting device can realize vertical transportation, the steel wire rope is prone to rotation due to bearing alternating load and torsional moment, which causes the hanging basket or manned platform to rotate, and causes serious safety hidden danger. Specifically, in the hoisting process, the steel wire rope produces spiral rotation due to torsional force accumulation or load deviation, which causes the hanging basket to shake, tilt or even overturn, threatening the safety of the operator. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of manned hoisting equipment for grain storehouse inspection to solve the problem that the hanging basket of manned hoisting equipment is prone to shake and tilt.

[0005] To solve the above technical problems, the utility model provides a kind of manned hoisting equipment for grain storehouse inspection, including hanging basket and hoisting elevator, the hanging basket and the hoisting elevator are connected by steel wire rope, and under the action of the hoisting elevator, the lifting of the hanging basket is realized;

[0006] It also includes a load-bearing frame, the hanging basket is suspended on the upper beam of the load-bearing frame by the steel wire rope, and the hoisting elevator is installed on the column of the load-bearing frame;

[0007] The steel wire rope above the hanging basket is installed with a rotary force releaser, when the steel wire rope produces torsional force due to hoisting angle or load deviation, part of the torsional force is offset by the rotary force releaser, to avoid continuous torsion of the steel wire rope.

[0008] Preferably, the hanging basket includes a cubic frame, fixed baffle is installed around the bottom of the cubic frame;The facade of the cubic frame is provided with a protective fence.

[0009] Preferably, the protective fence is a telescopic fence that can be lifted vertically.

[0010] Preferably, the rotary force releaser includes a fixed sleeve and a U-shaped rotary frame, the fixed sleeve and the U-shaped rotary frame are movably connected by a center pin.

[0011] Preferably, one end of the fixed sleeve is fixedly connected with the upper cross beam of the load-bearing frame, and the other end is sleeved with the center pin shaft, so that the center pin shaft can relatively rotate around the center axis of the fixed sleeve; one end of the U-shaped rotating frame is sleeved with the center pin shaft, and the other end is connected with the rotating hanging ring, so that the U-shaped rotating frame can relatively rotate around the center axis of the center pin shaft.

[0012] Preferably, the rotating hanging ring is located in the U-shaped rotating frame and is sleeved with a threaded pin shaft; the threaded pin shaft is provided with external threads at both ends, is threadedly connected with the open end of the U-shaped rotating frame through the external threads, and the rotating hanging ring is sleeved on the threaded pin shaft, so that the rotating hanging ring can relatively rotate around the center axis of the threaded pin shaft.

[0013] Preferably, a shackle is arranged in the rotating hanging ring, and the steel wire rope is connected with the shackle.

[0014] Preferably, a limiting ring is arranged on the center pin shaft between the fixed sleeve and the U-shaped rotating frame, and the axial position of the U-shaped rotating frame is limited by the limiting ring.

[0015] Preferably, an extension support is further arranged on one side of the load-bearing frame, and the extension support and the load-bearing frame are rotatably connected through a hinge.

[0016] Preferably, a rope winding machine is arranged on the bottom support of the load-bearing frame, and the steel wire rope is wound and unwound through the rope winding machine; and a cable reel is further arranged, and the cable of the manned hoisting equipment is wound on the cable reel, so that the manned hoisting equipment can be used remotely.

[0017] Compared with the prior art, the manned hoisting equipment has the following beneficial effects:

[0018] 1. The manned hoisting equipment of the utility model is provided with a rotating force reliever arranged on the steel wire rope above the basket, so that when the steel wire rope is twisted due to the deviation of the hoisting angle or load, part of the torsion is offset by the rotating force reliever, the continuous twisting of the steel wire rope is avoided, the mutual entanglement of the steel wire ropes and the rotation of the basket are avoided, and the safety of the workers is ensured.

[0019] 2. The load-bearing frame of the manned hoisting equipment is further provided with an extension support, and the extension support and the load-bearing frame are rotatably connected through a hinge. When the workers are located in the basket, the center is deviated, and the extension support is rotated and unfolded at this time, so that the supporting point is increased, and the safety of the equipment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a front view of the manned hoisting equipment for grain inspection provided by the utility model;

[0021] Figure 2It is the structure schematic view of the hanging basket provided by the utility model;

[0022] Figure 3 It is the structure schematic view of the rotary force unloader provided by the utility model;

[0023] Figure 4 It is the front view of the rotary force unloader provided by the utility model;

[0024] Figure 5 It is the sectional view of the rotary force unloader provided by the utility model.

[0025] In the drawing: 1, hanging basket; 101, cubic frame; 102, fixed baffle; 103, guardrail; 2, hoisting elevator; 3, steel wire rope; 4, bearing frame; 5, rotary force unloader; 501, fixed sleeve; 502, U-shaped rotary frame; 503, center pin shaft; 504, rotary lifting ring; 505, threaded pin shaft; 506, unloading buckle; 507, limiting ring; 6, extension support; 7, rope collecting machine; 8, cable reel. DETAILED DESCRIPTION

[0026] The utility model makes further detailed description in combination with the drawings and specific embodiments. The advantages and features of the utility model will be more apparent according to the following description and claims. It should be noted that the drawings all adopt very simplified form and all use non-precise proportion, only to facilitate, clearly assist the purpose of the description of the embodiment of the utility model.

[0027] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, and therefore cannot be understood as a limitation on the utility model.

[0028] In the description of the utility model, it needs to be understood that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances. EMBODIMENT

[0029] The utility model provides a kind of manned hoisting equipment for granary inspection, please refer toFigure 1 , including the basket 1 and the hoisting machine 2, which are connected by the steel wire rope 3, and the lifting of the basket 1 is realized under the action of the hoisting machine 2.

[0030] The manned hoisting equipment also includes a load-bearing frame 4, the basket 1 is suspended on the upper crossbeam of the load-bearing frame 4 through the steel wire rope 3, and the hoisting machine 2 is installed on the column of the load-bearing frame 4; the rotating force reliever 5 is installed on the steel wire rope 4 above the basket 1, when the torsion is generated due to the deviation of the hoisting angle or load of the steel wire rope 3, part of the torsion is offset through the rotating force reliever 5, the continuous torsion of the steel wire rope 4 is avoided, and thus the shaking or tilting of the basket is avoided, and the safety of the operator is ensured.

[0031] Specifically, as shown in Figure 2 , the basket 1 includes a cubic frame 101, and fixed baffles 102 are installed around the bottom of the cubic frame 101; the vertical surface of the cubic frame 101 is provided with a protective fence 103.

[0032] In the embodiment, the protective fence 103 is a telescopic fence that can be lifted along the vertical direction, so as to meet the inspection operation of personnel with different heights.

[0033] Specifically, referring to Figures 3-5 , the rotating force reliever 5 includes a fixed sleeve 501 and a U-shaped rotating frame 502, and the fixed sleeve 501 and the U-shaped rotating frame 502 are movably connected through a center pin shaft 503.

[0034] Further, one end of the fixed sleeve 501 is fixedly connected with the upper crossbeam of the load-bearing frame 4, and the other end is sleeved with the center pin shaft 503, so that the center pin shaft 503 can relatively rotate around the center axis of the fixed sleeve 501; one end of the U-shaped rotating frame 502 is sleeved with the center pin shaft 503, and the other end is connected with a rotating lifting ring 504, so that the U-shaped rotating frame 502 can relatively rotate around the center axis of the center pin shaft 503.

[0035] In the embodiment, the rotating lifting ring 504 is located in the U-shaped rotating frame 502 and is sleeved with a threaded pin shaft 505; the threaded pin shaft 505 is provided with external threads at both ends, and is threadedly connected with the open end of the U-shaped rotating frame 502, and the rotating lifting ring 504 is sleeved on the threaded pin shaft 505, so that the rotating lifting ring 504 can relatively rotate around the center axis of the threaded pin shaft 505.

[0036] In the embodiment, the rotating lifting ring 504 is provided with a shackle 506, and the steel wire rope 3 is connected with the shackle 506.

[0037] Further, a limiting ring 507 is installed on the center pin shaft 503 between the fixed sleeve 501 and the U-shaped rotating frame 502, which limits the axial position of the U-shaped rotating frame 502.

[0038] Specifically, please continue to refer to Figure 1 The load-bearing frame 4 is further provided with an extension support 6, which is rotatably connected with the load-bearing frame 4 through a hinge. When the basket 1 is located below the upper crossbeam of the load-bearing frame 4, the center will be offset when the personnel are located in the basket 1. At this time, the extension support 6 is rotated and unfolded, which can increase the support point, thereby improving the safety of the equipment.

[0039] Further, the bottom support of the load-bearing frame 4 is installed with a rope winding machine 7, which winds and unwinds the steel wire rope 3; and is further installed with a cable reel 8, which winds the cable of the personnel hoisting equipment, so that it can be used remotely.

[0040] The above description is only a description of the preferred embodiments of the present application, and is not any limitation on the scope of the present application. Any modification made by the ordinary skilled in the art according to the above disclosure is within the protection scope of the claims.

Claims

1. A manned hoisting device for grain warehouse inspection, characterized in that, It includes a suspended platform (1) and a hoisting machine (2), the suspended platform (1) and the hoisting machine (2) are connected by a steel wire rope (3), and the suspended platform (1) is raised and lowered under the action of the hoisting machine (2); It also includes a load-bearing frame (4), the basket (1) is suspended on the upper crossbeam of the load-bearing frame (4) by the wire rope (3), and the hoisting machine (2) is installed on the column of the load-bearing frame (4); A rotary unloader (5) is installed on the wire rope (3) above the suspended basket (1). When the wire rope (3) generates torque due to the hoisting angle or load offset, the rotary unloader (5) offsets part of the torque, thus preventing the wire rope (3) from twisting continuously.

2. The manned hoisting equipment for grain warehouse inspection as described in claim 1, characterized in that, The suspended platform (1) includes a cubic frame (101), and fixed baffles (102) are installed around the bottom of the cubic frame (101); the vertical side of the cubic frame (101) is provided with guardrails (103).

3. The manned hoisting equipment for grain warehouse inspection as described in claim 2, characterized in that, The guardrail (103) is a telescopic guardrail that can be raised and lowered in the vertical direction.

4. The manned hoisting equipment for grain warehouse inspection as described in claim 1, characterized in that, The rotary unloader (5) includes a fixed sleeve (501) and a U-shaped rotating frame (502), and the fixed sleeve (501) and the U-shaped rotating frame (502) are movably connected by a central pin (503).

5. The manned hoisting equipment for grain warehouse inspection as described in claim 4, characterized in that, One end of the fixed sleeve (501) is fixedly connected to the upper crossbeam of the load-bearing frame (4), and the other end is sleeved with the central pin (503), so that the central pin (503) can rotate relative to the central axis of the fixed sleeve (501); one end of the U-shaped rotating frame (502) is sleeved with the central pin (503), and the other end is connected to the rotating ring (504), so that the U-shaped rotating frame (502) can rotate relative to the central axis of the central pin (503).

6. The manned hoisting equipment for grain warehouse inspection as described in claim 5, characterized in that, The rotating lifting ring (504) is located in the U-shaped rotating frame (502) and is sleeved by a threaded pin (505); the threaded pin (505) has external threads at both ends, which are threaded to the open end of the U-shaped rotating frame (502) through the external threads, and the rotating lifting ring (504) is sleeved on the threaded pin (505), so that the rotating lifting ring (504) can rotate relative to the central axis of the threaded pin (505).

7. A manned hoisting device for grain warehouse inspection as described in claim 6, characterized in that, The rotating lifting ring (504) is provided with a shackle (506), and the wire rope (3) is connected to the shackle (506).

8. The manned hoisting equipment for grain warehouse inspection as described in claim 4, characterized in that, A limiting ring (507) is installed on the central pin (503) between the fixed sleeve (501) and the U-shaped rotating frame (502) to limit the axial position of the U-shaped rotating frame (502).

9. A manned hoisting device for grain warehouse inspection as described in claim 1, characterized in that, An extension bracket (6) is also provided on one side of the load-bearing frame (4), and the extension bracket (6) is rotatably connected to the load-bearing frame (4) by a hinge.

10. A manned hoisting device for grain warehouse inspection as described in claim 1, characterized in that, A rope winding machine (7) is installed on the bottom support of the load-bearing frame (4) to wind up and unwind the wire rope (3); a cable reel (8) is also installed to wind up the cable of the personnel hoisting equipment so that it can be used over long distances.