A hoisting tool suitable for narrow spaces

Abstract

The utility model discloses a hoisting tool suitable for narrow space relates to hoisting tool technical field, including hoisting column, the lower extreme of hoisting column is installed with hoisting seat, and the bottom of hoisting seat is fixed with a plurality of hanging rings, and the limiting mechanism including adjustment assembly and two limit rods is set up on hoisting column, when facing the narrow space of different width, can adjust the horizontal distance between two limit rods through adjustment assembly, make it adapt to the width of narrow space, prevent the collision of hoisting tool and both sides of narrow space in hoisting process, through the guiding and limiting effect of guiding rod cooperation limit block to the movement of moving ring, prevent the deflection of moving ring in the moving process, and the compression spring no.

Description

Technical Field

[0001] This utility model relates to the field of hoisting tools, and in particular to a hoisting tool suitable for narrow spaces. Background Technology

[0002] Lifting tools are mechanical devices used for lifting, moving, and installing heavy objects or equipment. They are widely used in construction, industry, logistics, and other fields. They achieve vertical or horizontal movement of heavy objects through mechanisms such as winches and pulley blocks. They are characterized by simple operation, high efficiency, and safety and reliability. In modern engineering construction, lifting tools are one of the indispensable and important pieces of equipment, providing strong support for the smooth implementation of various engineering projects.

[0003] A search revealed, for example, a hoisting tool suitable for narrow spaces provided by patent publication number CN223163082U, including a support frame and a narrow space hoisting mechanism. The narrow space hoisting mechanism is installed on the outside of the support frame. With the setting of the narrow space hoisting mechanism, when the other side is on the roof, simply insert the roof width adjustment pump into the roof support rod, extending outward according to the width of the distance from the roof until the right angle formed by the wall eaves plate in the mounting slot engages with the eaves. This provides support and can also be used in conjunction with the wall hydraulic pump and wall plate to provide better support, avoiding the problem of not being able to fix due to different forces on both sides. When the height difference between the roofs on both sides of the alley is not large, the roof width adjustment pump can be inserted into the wall support rods and roof support rods around the support frame, and the height adjustment hydraulic pump rod can be inserted into the mounting slot to adjust the height difference between the two roofs and maintain the horizontal height of the support frame.

[0004] Based on the above search and the findings of existing technologies, it has been discovered that existing lifting tools similar to those disclosed above, when used with winches and wire ropes for vertical lifting operations, are prone to causing the lifted object to rotate and collide with side obstacles. This can easily damage both the lifted object and the obstacles, and also makes it easy for the lifted object to fall. Therefore, a lifting tool suitable for confined spaces is proposed to improve upon these problems. Utility Model Content

[0005] The purpose of this application is to provide a hoisting tool suitable for confined spaces to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this application provides the following technical solution: a hoisting tool suitable for narrow spaces, including a hoisting column, a hoisting base installed at the lower end of the hoisting column, and multiple hanging rings fixed at the bottom end of the hoisting base; The hoisting column is equipped with a limiting mechanism, which includes an adjustment component and two limiting rods. The two limiting rods are horizontally arranged and parallel to each other, and are symmetrically arranged on both sides of the hoisting column. The adjustment component is connected between the hoisting column and the limiting rods to adjust the horizontal distance between the two limiting rods.

[0007] As a further supplement to this solution, the adjustment assembly includes a fixed ring, a main support arm, a secondary support arm, a moving ring, and a threaded sleeve; The fixed ring is fixedly sleeved on the outside of the hoisting column. There are two main support arms and two auxiliary support arms. The two main support arms are symmetrically rotated and installed on the side end of the fixed ring. The ends of the two main support arms away from the hoisting column are fixed to the limiting rod. The hoisting column is provided with a threaded section. The threaded sleeve is threadedly sleeved on the threaded section. The moving ring is rotatably connected to the threaded sleeve. The two auxiliary support arms are symmetrically rotated and installed on the side end of the moving ring. The ends of the auxiliary support arms away from the moving ring are rotatably connected to the middle of the main support arm.

[0008] As a further supplement to this solution, the limiting rod is equidistantly fitted with multiple rollers along the axial direction.

[0009] As a further supplement to this solution, an installation ring is rotatably mounted on the lower end of the threaded sleeve, and a compression spring is fixed between the installation ring and the movable ring.

[0010] As a further supplement to this solution, a guide rod that slides through the moving ring is fixed on the mounting ring, and a limit block is fixed at the end of the guide rod away from the mounting ring.

[0011] As a further supplement to this scheme, a buffer column is vertically slidably embedded at the bottom of the hoisting column, and a compression spring is vertically fixed between the buffer column and the hoisting column.

[0012] As a further supplement to this solution, a laser pointer is embedded in the bottom of the buffer column, and the laser beam emitted by the laser pointer coincides with the axis of the hoisting column.

[0013] In summary, the technical effects and advantages of this utility model are as follows: 1. In this utility model, by means of two limiting rods and an adjusting component, when facing narrow spaces of different widths, the horizontal distance between the two limiting rods can be adjusted by the adjusting component to adapt to the width of the narrow space and prevent the hoisting tool from colliding with the sides of the narrow space during the hoisting process.

[0014] 2. In this utility model, the guide rod and the limiting block play a guiding and limiting role in the movement of the moving ring, preventing the moving ring from deviating during the movement. The compression spring allows the moving ring to move a small distance in the vertical direction during hoisting, so that the distance between the two limiting rods can change within a small range, which can better adapt to hoisting operations in narrow spaces.

[0015] 3. In this utility model, the combination of the buffer column and the second compression spring can buffer the lifting tool when it is lowered to the designated position, reduce the impact force generated during the placement process, and protect the lifting tool from damage. By embedding a laser pointer at the bottom of the buffer column, the position of the laser beam can be observed during the lifting process to help determine the position of the lifting tool and the item, improve the accuracy of the lifting, and ensure that the item can be accurately lifted to the designated position in a narrow space. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure in this embodiment; Figure 2 This is a structural schematic diagram of the hoisting column in this embodiment; Figure 3 This is a schematic diagram of the limiting mechanism in this embodiment.

[0018] In the diagram: 1. Lifting column; 101. Threaded section; 2. Lifting seat; 3. Hanging ring; 4. Fixing ring; 5. Main support arm; 6. Limiting rod; 7. Secondary support arm; 8. Moving ring; 9. Threaded sleeve; 10. Roller; 11. Compression spring one; 12. Guide rod; 13. Limiting block; 14. Compression spring two; 15. Buffer column; 16. Laser pointer. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0020] refer to Figure 1-3 The illustrated hoisting tool for use in confined spaces includes a hoisting column 1, such as... Figure 1 and Figure 2As shown, the top of the lifting column 1 is fixed with a lifting ring for fixing to the wire rope. The lifting column 1 is vertically lifted using a conventional winch in conjunction with the wire rope. The lower end of the lifting column 1 is equipped with a lifting base 2. Multiple hanging rings 3 are fixed to the bottom end of the lifting base 2. The multiple hanging rings 3 at the bottom end of the lifting base 2 can be used to connect the items to be lifted. The hanging rings 3 are reasonably selected for connection according to the shape and weight of the items to ensure the stability of the lifting.

[0021] A limiting mechanism is provided on the hoisting column 1. The limiting mechanism includes an adjustment component and two limiting rods 6. The two limiting rods 6 are horizontally arranged and parallel to each other, and are symmetrically arranged on both sides of the hoisting column 1. The adjustment component is connected between the hoisting column 1 and the limiting rods 6 to adjust the horizontal distance between the two limiting rods 6.

[0022] Specifically, such as Figure 1 and Figure 3 As shown, the adjustment assembly includes a fixed ring 4, a main support arm 5, a secondary support arm 7, a movable ring 8, and a threaded sleeve 9. The fixed ring 4 is fixedly sleeved on the outside of the lifting column 1. There are two main support arms 5 and two secondary support arms 7. The two main support arms 5 are symmetrically rotated and installed on the side end of the fixed ring 4. The ends of the two main support arms 5 away from the lifting column 1 are fixed to the limiting rod 6. The lifting column 1 is provided with a threaded section 101. The threaded sleeve 9 is threadedly sleeved on the threaded section 101. The movable ring 8 is rotatably connected to the threaded sleeve 9. The two secondary support arms 7 are symmetrically rotated and installed on the side end of the movable ring 8. The ends of the secondary support arms 7 away from the movable ring 8 are rotatably connected to the middle of the main support arm 5.

[0023] When facing narrow spaces of varying widths, the horizontal distance between the two limiting rods 6 can be adjusted using the adjusting assembly. In specific operation, rotating the threaded sleeve 9 causes it to move up and down along the threaded section 101 on the lifting column 1, as the threaded sleeve 9 is threadedly connected to the threaded section 101. The moving ring 8 is relatively rotated and connected to the threaded sleeve 9. During the movement of the threaded sleeve 9, the moving ring 8 is driven to move as well. When the moving ring 8 moves, it pushes or pulls the main support arm 5 through the auxiliary support arm 7, thereby changing the horizontal distance between the two limiting rods 6 to adapt to the width of the narrow space and prevent the lifting tools from colliding with the sides of the narrow space during the lifting process.

[0024] Among them, the limiting rod 6 is equidistantly sleeved with multiple rollers 10 along the axial direction. During the movement of the hoisting tool, the rollers 10 can reduce the friction between the limiting rod 6 and the side wall of the narrow space, making the hoisting tool move more smoothly and reducing the difficulty of operation. Example

[0025] A mounting ring is rotatably mounted on the lower end of the threaded sleeve 9. A compression spring 11 is fixed between the mounting ring and the moving ring 8. A guide rod 12 that slides through the moving ring 8 is fixed on the mounting ring. A limit block 13 is fixed to the end of the guide rod 12 away from the mounting ring. The guide rod 12 and the limit block 13 guide and limit the movement of the moving ring 8, preventing the moving ring 8 from deviating during movement. The compression spring 11 allows the moving ring 8 to move a small distance vertically during hoisting, so that the distance between the two limit rods 6 can change within a small range, which can better adapt to hoisting operations in narrow spaces.

[0026] In addition, a buffer column 15 is vertically slidably embedded at the bottom of the lifting column 1. A compression spring 14 is vertically fixed between the buffer column 15 and the lifting column 1. When the lifting tool is lowered to the designated position, it can play a buffering role, reduce the impact force generated during the placement process, and protect the lifting tool from damage. A laser pointer 16 is embedded in the bottom of the buffer column 15. The laser beam emitted by the laser pointer 16 coincides with the axis of the lifting column 1. During the lifting process, the position of the laser beam can be observed to help determine the position of the lifting tool and the object, improve the accuracy of the lifting, and ensure that the object can be accurately lifted to the designated position in a narrow space.

[0027] It should be noted that the specific models and specifications of the electrical equipment involved in this solution need to be selected and determined based on the actual specifications of the device. The specific selection and calculation methods adopt existing technologies in this field, so they will not be described in detail here. The power supply and principles of the electrical equipment involved are clear to those skilled in the art, and will not be described in detail here.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A hoisting tool suitable for confined spaces, comprising a hoisting column (1), characterized in that, The lower end of the lifting column (1) is equipped with a lifting seat (2), and the bottom end of the lifting seat (2) is fixed with multiple hanging rings (3). The hoisting column (1) is provided with a limiting mechanism, which includes an adjustment component and two limiting rods (6). The two limiting rods (6) are horizontally arranged and parallel to each other, and are symmetrically arranged on both sides of the hoisting column (1). The adjustment component is connected between the hoisting column (1) and the limiting rods (6) to adjust the horizontal distance between the two limiting rods (6).

2. The hoisting tool suitable for confined spaces according to claim 1, characterized in that: The adjustment assembly includes a fixed ring (4), a main support arm (5), a secondary support arm (7), a movable ring (8), and a threaded sleeve (9). The fixed ring (4) is fixedly sleeved on the outside of the hoisting column (1). There are two main support arms (5) and two auxiliary support arms (7). The two main support arms (5) are symmetrically rotated and installed on the side end of the fixed ring (4). The ends of the two main support arms (5) away from the hoisting column (1) are fixed to the limiting rod (6). The hoisting column (1) is provided with a threaded section (101). The threaded sleeve (9) is threadedly sleeved on the threaded section (101). The moving ring (8) is rotatably connected to the threaded sleeve (9). The two auxiliary support arms (7) are symmetrically rotated and installed on the side end of the moving ring (8). The ends of the auxiliary support arms (7) away from the moving ring (8) are rotatably connected to the middle part of the main support arm (5).

3. A hoisting tool suitable for confined spaces according to claim 2, characterized in that: The limiting rod (6) is axially equidistantly fitted with multiple rollers (10).

4. A hoisting tool suitable for confined spaces according to claim 2, characterized in that: The lower end of the threaded sleeve (9) is rotatably mounted with an installation ring, and a compression spring (11) is fixed between the installation ring and the movable ring (8).

5. A hoisting tool suitable for confined spaces according to claim 4, characterized in that: The mounting ring is fixed with a guide rod (12) that slides through the moving ring (8), and a limit block (13) is fixed at the end of the guide rod (12) away from the mounting ring.

6. A hoisting tool suitable for confined spaces according to claim 1, characterized in that: A buffer column (15) is vertically slidably embedded at the bottom end of the hoisting column (1), and a compression spring (14) is vertically fixed between the buffer column (15) and the hoisting column (1).

7. A hoisting tool suitable for confined spaces according to claim 6, characterized in that: The bottom end of the buffer column (15) is embedded with a laser pointer (16), and the laser beam emitted by the laser pointer (16) coincides with the axis of the hoisting column (1).

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