Deep vertical shaft high lift door machine hoisting anti-rotation device

Abstract

The utility model discloses a kind of deep vertical shaft high lifting door machine hoisting anti-rotation devices, comprising: at least one pair of rollers, opposite setting in the two sides of the beam of high lifting door machine;At least one pair of limit guide rail, opposite setting on the two sides of shaft wall of vertical shaft, and extend along the height direction of shaft wall;Guide base, connected to the top of limit guide rail, including the two arc-shaped guide plates of setting in the top entrance of limit guide rail two sides, two arc-shaped guide plates cooperate with each other, to form a along the entrance direction reduction guide channel, for guiding roller to slide into limit guide rail.When beam moves to the mouth of deep vertical shaft, the roller of its two sides first contact arc-shaped guide plate of guide channel side edge, is smoothly guided to the accurate track of limit guide rail, beam is driven along limit guide rail lifting by high lifting door machine, to realize the smooth operation of hoisting and effective anti-rotation, improve the security of overall operation.

Description

Technical Field

[0001] This utility model relates to the field of high-lift gantry crane hoisting construction technology, specifically to an anti-rotation device for high-lift gantry crane hoisting in deep vertical shafts. Background Technology

[0002] Gantry cranes, as a type of vertical lifting and transportation equipment, are widely used in high-rise building construction, bridge construction, hydropower engineering construction and other fields. The safety and stability of their operation are of paramount importance.

[0003] In deep shaft excavation, an I-beam lifting beam is connected to a hoisting system of a gantry crane. This beam lifts and lowers a transport device, typically a personnel cage or cargo platform, within the shaft to transfer goods or workers. However, due to the great depth and long transport distance of deep shafts, the lifting beam is prone to undesirable rotation or swaying during lifting due to accumulated wire rope torque, uneven load, or wind influence. This rotation or swaying can cause the transport device to collide and rub against the shaft wall or equipment on it, accelerating equipment wear and even causing structural damage. More seriously, when the transport device is carrying personnel, significant swaying or rotation can lead to instability, directly threatening the lives of workers. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a deep vertical shaft high-lift gantry crane anti-rotation device.

[0005] A hoisting anti-rotation device for a deep vertical shaft gantry crane includes: at least one pair of rollers, which are disposed opposite to each other on both sides of the lifting beam of the gantry crane; at least one pair of limiting guide rails, which are disposed opposite to each other on the two sides of the shaft wall and extend along the height direction of the shaft wall; and a guide base connected to the top of the limiting guide rails, including two arc-shaped guide plates disposed on both sides of the top entrance of the limiting guide rails. The two arc-shaped guide plates cooperate with each other to form a guide channel that tapers along the entrance direction, for guiding the rollers to slide into the limiting guide rails.

[0006] A further technical solution is that the guide plate has a convex arc surface facing the guide channel.

[0007] A further technical solution is that a back plate is fixedly connected between the two guide plates of the guide base.

[0008] A further technical solution is: the limiting guide rail is fixed to the shaft wall by multiple sets of first anchoring components arranged at intervals. Each set of first anchoring components includes two first anchor rods symmetrically welded on both sides of the limiting guide rail. The end of the first anchor rod away from the limiting guide rail is anchored in the shaft wall.

[0009] A further technical solution is: the first anchor bolt assemblies are arranged at equal intervals, and the spacing between the first anchor bolt assemblies is set to 3m.

[0010] A further technical solution is: a second anchor rod and a third anchor rod are welded to the upper and lower ends of the opposite side of the arc-shaped guide plate, respectively, and the ends of the second and third anchor rods away from the limiting guide rail are anchored in the well wall.

[0011] A further technical solution is that the first, second, and third anchor bolts are all φ25mm anchor bolts with a length of 0.4mm and an insertion distance into the rock of 0.2m.

[0012] A further technical solution is to use No. 10 channel steel for the limit guide rails, which are arranged along the entire length.

[0013] The beneficial effects of this utility model are: This invention features rollers mounted on the sides of the lifting beam used with a high-lift gantry crane, and a limiting guide rail adapted to the rollers installed inside the shaft. When the lifting beam moves to the opening of the deep shaft, the rollers on both sides first contact the arc-shaped guide plate on the side of the guide channel and are smoothly guided into the precise track of the limiting guide rail. Driven by the hoisting system of the high-lift gantry crane, the lifting beam rises and falls along the limiting guide rail, thereby achieving stable operation of the lifting beam and effectively preventing rotation, ensuring the safety of transporting personnel or goods, and improving the overall operational safety. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the arrangement of this utility model inside a vertical shaft; Figure 2 yes Figure 1 Enlarged view of point A in the middle; Figure 3 This is a schematic diagram of the structure of this utility model.

[0015] In the picture: 1. Shaft, 2. Lifting beam, 3. Roller, 4. Roller frame, 5. Limiting guide rail, 6. Guide plate, 7. Guide channel, 8. First anchor bolt, 9. Second anchor bolt, 10. Third anchor bolt, 11. Steel pipe. Detailed Implementation

[0016] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0017] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the utility model.

[0018] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0019] A deep vertical shaft high-lift gantry crane anti-rotation device, such as Figure 1-3 As shown, it includes: at least one pair of rollers 3, which are arranged opposite to each other on both sides of the lifting beam 2, and the lifting beam 2 is connected to and used in conjunction with the hoisting system of the high-lift gate machine; at least one pair of limiting guide rails 5, which are arranged opposite to each other on both sides of the shaft wall 1 and extend along the height direction of the shaft wall; and a guide base connected to the top of the limiting guide rail 5, including two arc-shaped guide plates 6 arranged on both sides of the top entrance of the limiting guide rail 5. The two arc-shaped guide plates 6 cooperate with each other to form a guide channel 7 that narrows along the entrance direction. The guide channel 7 is wider at the top and narrower at the bottom, and is used to guide the rollers 3 to slide into the limiting guide rail 5.

[0020] When the lifting beam 2 is raised and lowered by the high-lift gantry crane, the rollers 3 on both sides first contact the arc-shaped guide plate 6 on the side of the guide channel 7 and are smoothly guided into the precise track of the limit guide rail 5, thereby achieving stable operation and effective anti-rotation.

[0021] The guide plate 6 has a convex arc surface facing the guide channel 7. The convex arc surface guides the roller 3 smoothly into the main track, avoiding hard collisions and jamming between the roller 3 and the edge of the limiting guide rail 5 caused by slight positional deviations or shaking. Specifically, the thickness of the arc-shaped guide plate 6 is set to 1 cm.

[0022] A back plate is fixedly connected between the two guide plates 6 of the guide base, and the two sides of the back plate are welded and fixed to the guide plates 6. The back plate is tightly attached to the well wall, and the back plate is connected to the insert bars anchored in the vertical shaft wall. The surface of the back plate is smooth to ensure smooth sliding of the rollers.

[0023] The top surface of the guide plate 6 is flush with the edge of the wellhead of the deep vertical shaft 1. When the lifting beam 2 descends to the vicinity of the wellhead, it is guided into the limiting guide rail 5 through the guide channel 7, so that the lifting beam 2 always moves up and down along the limiting guide rail 5.

[0024] The limiting guide rail 5 is fixed to the wall of the vertical shaft 1 by multiple sets of first anchoring components arranged at intervals. Each set of first anchoring components includes two first anchor rods 8 symmetrically welded on both sides of the limiting guide rail 5. The end of the first anchor rod 8 away from the limiting guide rail 5 is anchored inside the shaft wall. The first anchor rod components are arranged at equal intervals, specifically, the spacing between the first anchor rod components is set to 3m.

[0025] The upper and lower ends of the arc-shaped guide plate 6 opposite to each other are respectively welded with a second anchor rod 9 and a third anchor rod 10. The ends of the second anchor rod 9 and the third anchor rod 10 away from the limiting guide rail 5 are anchored in the well wall.

[0026] In one embodiment, the first anchor bolt 8, the second anchor bolt 9, and the third anchor bolt 10 are all φ25mm anchor bolts with a length of 0.4mm and a rock penetration distance of 0.2m.

[0027] In one embodiment, the limiting guide rail 5 is made of No. 10 channel steel arranged along its entire length. The surface of the limiting guide rail 5 is smooth and adapted to the roller 3 to ensure the smooth operation of the roller 3.

[0028] Rollers 3 are rotatably connected to the side of the lifting beam 2 via roller frames 4. The dimensions of the roller frames 4 are set according to the diameter of the well wall and the lifting beam 2. The bottom of the lifting beam 2 is connected to a transport device via wire ropes or chains. The transport device includes two forms: a personnel cage and a cargo platform, such as... Figure 1 The diagram shows the lifting of steel pipe 11 into the vertical shaft via lifting beam 2. To ensure lifting safety, the personnel cage uses an eight-point lifting method, while the cargo platform uses a four-point lifting method.

[0029] The hoisting system of the high-lift gantry crane is connected to the lifting beam 2 through a two-way anti-rotation steel wire rope. The combination of left and right rotating steel wire ropes eliminates the torque generated during long-distance hoisting and further prevents the lifting beam 2 from rotating.

[0030] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A device for preventing rotation during hoisting of a deep vertical shaft high-lift gantry crane, characterized in that, include: At least one pair of rollers are positioned opposite each other on both sides of the lifting beam of the gantry crane; At least one pair of limiting guide rails are set opposite to each other on the two sides of the shaft and extend along the height direction of the shaft wall; The guide base, connected to the top of the limiting guide rail, includes two arc-shaped guide plates set on both sides of the top entrance of the limiting guide rail. The two arc-shaped guide plates cooperate with each other to form a guide channel that tapers along the entrance direction, used to guide the roller to slide into the limiting guide rail.

2. The anti-rotation device according to claim 1, characterized in that, The guide plate has a convex arc surface facing the guide channel.

3. The anti-rotation device according to claim 1, characterized in that, A back plate is fixedly connected between the two guide plates of the guide base.

4. The anti-rotation device according to claim 1, characterized in that, The limiting guide rail is fixed to the shaft wall by multiple sets of first anchoring components arranged at intervals. Each set of first anchoring components includes two first anchor rods symmetrically welded on both sides of the limiting guide rail. The end of the first anchor rod away from the limiting guide rail is anchored inside the shaft wall.

5. The anti-rotation device according to claim 4, characterized in that, The first anchor bolt assemblies are arranged at equal intervals, with the spacing between the first anchor bolt assemblies set to 3m.

6. The anti-rotation device according to claim 4, characterized in that, The upper and lower ends of the arc-shaped guide plate opposite to each other are respectively welded with a second anchor rod and a third anchor rod. The ends of the second and third anchor rods away from the limiting guide rail are anchored in the well wall.

7. The anti-rotation device according to claim 6, characterized in that, The first, second, and third anchor bolts are all φ25mm anchor bolts with a length of 0.4mm and a rock penetration distance of 0.2m.

8. The anti-rotation device according to claim 1, characterized in that, The limit guide rail is made of No. 10 channel steel arranged along its entire length.

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