CN224000899U - Lightweight material hoisting equipment - Google Patents

Abstract

The utility model provides a light material hoisting device, which relates to the technical field of hoisting equipment and comprises a first pulley fixedly connected with one end of a force arm rod, a second pulley fixedly connected with the other end of the force arm rod, a winch arranged above the second pulley, a steel wire rope wound on the winch, and a sliding cylinder assembly sleeved on the outer wall of the force arm rod, wherein one end of the steel wire rope, which is deviated from the winch, is connected with light materials through the second pulley and the first pulley in sequence, the steel wire rope is used for driving the light materials to reciprocate in the vertical direction, the bottom end of the sliding cylinder assembly is detachably connected with a rotating assembly, and the bottom end of the rotating assembly is fixedly connected with a supporting assembly. The utility model solves the technical problems of heavy weight of the self parts and the need of arranging the fixed supporting points above the working platform in the prior art, and achieves the technical effects of lifting the platform without a top fixed point and improving the working efficiency.

Description

Light material lifting device

Technical Field

The utility model relates to the technical field of hoisting equipment, in particular to a light material hoisting device.

Background

In modern industrial production and logistics, hoisting operation of materials is indispensable. Traditional large hoisting equipment, such as gantry cranes, tower cranes and the like, have exhibited significant advantages in hoisting heavy goods by virtue of their strong hoisting capacity. However, the limitations of such large-scale devices are also quite obvious, and they are bulky and occupy a lot of space, and require a lot of manpower, material resources and time costs both during installation and debugging of the devices and during later disassembly and transfer.

However, in the process of carrying light materials, lifting and carrying are often required. When the handling requirements of the light-weight materials are met, the large hoisting equipment spends longer time in the links of preparation work, hoisting operation, ending and finishing and the like, and the efficiency is extremely low for the characteristics of high frequency and small batch of the handling of the light-weight materials.

In addition to the fact that the weight of the parts is large, the light hoisting device in the prior art is inconvenient to move, hoisting equipment can be fixed and supported above a working platform, so that a connection point for stable supporting force is provided, and the light hoisting device is usually a building structural member, such as a steel beam, a concrete beam and the like, or an embedded part which is specially arranged and used for auxiliary hoisting. When encountering the condition that no fixed supporting point exists above the platform, the material cannot be lifted to the target platform, so that work is trapped, and the overall work efficiency is affected.

Disclosure of utility model

The utility model aims to provide a light material lifting device, which is used for solving the technical problems that in the prior art, the weight of a self part is large, and a fixed supporting point is required to be arranged above a working platform.

The utility model provides a light material hoisting device, which comprises a force arm rod, a first pulley, a second pulley, a winch, a steel wire rope, a sliding cylinder assembly, a rotating assembly and a supporting assembly, wherein the force arm rod is connected with the first pulley;

One end of the arm lever is fixedly connected with a first pulley, the other end of the arm lever is fixedly connected with a second pulley, the winch is arranged above the second pulley, a steel wire rope is wound on the winch, one end of the steel wire rope, which is away from the winch, is connected with the light material through the second pulley and the first pulley in sequence, and the steel wire rope is used for driving the light material to reciprocate in the vertical direction;

The sliding cylinder assembly is sleeved on the outer wall of the force arm rod, the bottom end of the sliding cylinder assembly is detachably connected with the rotating assembly, and the bottom end of the rotating assembly is fixedly connected with the supporting assembly.

Further, the sliding cylinder assembly comprises a sleeve body, a connecting lug and a fastening bolt;

The sleeve body is sleeved on the outer wall of the force arm rod, a connecting lug is fixedly connected at any end of the sleeve body, a first through hole is formed in the connecting lug and used for being detachably connected with the rotating assembly, threaded holes are symmetrically formed in the surface of the sleeve body, the threaded holes are in threaded connection with the fastening bolts, and the end parts of the fastening bolts are abutted to the outer wall of the force arm rod.

Further, the rotating assembly comprises an inner rod, an outer rod, rollers and a sliding platform;

The bottom end of the inner rod is inserted into the outer rod, a second through hole matched with the first through hole is formed in the upper portion of the inner rod, the second through hole is connected with the first through hole through a pin shaft, a roller is arranged in the middle of the inner rod, a sliding platform is welded to the top end of the outer rod along the periphery, the bottom of the roller is abutted to the sliding platform, and the bottom of the outer rod is fixedly connected with the supporting component.

Further, the support component comprises a triangular frame and pulleys;

the triangle frame moves through the pulley arranged at the bottom end, and the top end of the triangle frame is fixedly connected with the outer rod.

Further, the supporting component comprises a fixed rod and a round table fixed at the bottom end of the fixed rod;

the fixed rod is cylindrical, and the top end of the fixed rod is fixedly connected with the outer rod.

Further, the support assembly also comprises a support frame arranged at the tail end of the arm rod, and the support frame is used for supporting the arm rod.

Further, a plurality of positioning rings are uniformly arranged on the outer wall of the force arm rod at intervals, and the steel wire rope passes through the positioning rings.

Further, the inclination angle between the first pulley and the force arm rod is 30-45 degrees, and the second pulley is perpendicular to the force arm rod.

Further, one end of the arm of force pole deviating from light material is provided with the counter weight basket.

Further, the tail end of the arm lever is fixedly connected with a handle.

The beneficial effects are that:

According to the light material hoisting device, the first pulley is fixedly connected to one end of the arm rod, the second pulley is fixedly connected to the other end of the arm rod, the winch is arranged above the second pulley, the steel wire rope is wound on the winch, one end, deviating from the winch, of the steel wire rope sequentially passes through the second pulley and the first pulley and is connected with the light material, the steel wire rope is used for driving the light material to reciprocate in the vertical direction, and the two pulleys are matched with the winch, so that the pulling force required by hoisting the light material can be effectively reduced by utilizing the pulley block principle, and the operation is easier. The purpose of lifting the platform without the fixed point above is achieved through the traction and pulling action of the winch, so that the purpose of carrying required materials on the platform without the fixed point above is achieved.

The sliding cylinder assembly is sleeved on the outer wall of the force arm rod, the bottom end of the sliding cylinder assembly is detachably connected with the rotating assembly, and the bottom end of the rotating assembly is fixedly connected with the supporting assembly. The universal structure capable of adjusting the rotation direction is formed by the sliding cylinder assembly and the rotating assembly, so that the moment can be adjusted at any time, and meanwhile, the hoisting operation is convenient to control.

The utility model has simple manufacture and lower manufacture cost, is suitable for hoisting 1000kg of materials, has small volume, is convenient to carry, is convenient to assemble and disassemble, and is convenient for on-site use to rapidly finish the work of hoisting and carrying the required materials on a platform without a fixed point above.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a light material lifting device according to an embodiment of the present utility model;

Fig. 2 is a schematic structural diagram of a sliding cylinder assembly in the light material lifting device according to the embodiment of the utility model;

fig. 3 is a schematic structural diagram of a rotating assembly in the light material lifting device according to the embodiment of the present utility model;

Fig. 4 is a schematic structural view of a support assembly in a light material lifting device according to an embodiment of the present utility model;

Fig. 5 is a schematic structural view of a support assembly in a light material lifting device according to another embodiment of the present utility model.

The icons are 1-force arm rod, 101-positioning ring, 102-weight basket, 103-handle, 2-first pulley, 3-second pulley, 4-hoist, 5-wire rope, 6-slide cylinder component, 601-sleeve body, 602-connecting lug, 603-first through hole, 604-fastening bolt, 7-rotating component, 701-inner rod, 702-outer rod, 703-second through hole, 704-roller, 705-sliding platform, 8-supporting component, 801-triangle frame, 802-pulley, 803-fixed rod, 804-round platform and 805-supporting frame.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

As shown in figure 1, the utility model provides a light material hoisting device, which comprises a force arm rod 1, a first pulley 2, a second pulley 3, a winch 4, a steel wire rope 5, a sliding cylinder assembly 6, a rotating assembly 7 and a supporting assembly 8;

One end of the arm lever 1 is fixedly connected with a first pulley 2, the other end of the arm lever 1 is fixedly connected with a second pulley 3, a winch 4 is arranged above the second pulley 3, a steel wire rope 5 is wound on the winch 4, one end of the steel wire rope 5, which is away from the winch 4, is connected with light materials through the second pulley 3 and the first pulley 2 in sequence, and the steel wire rope 5 is used for driving the light materials to reciprocate in the vertical direction;

The sliding cylinder assembly 6 is sleeved on the outer wall of the force arm rod 1, the bottom end of the sliding cylinder assembly 6 is detachably connected with the rotating assembly 7, and the bottom end of the rotating assembly 7 is fixedly connected with the supporting assembly 8.

Specifically, the arm lever 1 is a thick-wall seamless steel pipe with a length of about 6 meters. The length steel pipe can effectively prevent deformation caused by insufficient strength, and if the steel pipe works on an open platform, the steel pipe can be lengthened or thickened according to actual conditions. The two ends of the arm lever 1 are respectively provided with a first pulley 2 and a second pulley 3, and the two pulleys are fixed pulleys, and the fixed pulleys can change the direction of force, so that the pulling force direction of the steel wire rope meets the actual operation requirement.

Above the second pulley 3, a bracket is formed by welding an iron plate, and a hoist 4 is mounted on the bracket. In order to protect the windlass 4 from rain, a rain cover is additionally arranged above the windlass. The hoist 4 is wound with a wire rope 5, and the wire rope 5 sequentially winds around the second pulley 3 and the first pulley 2. The tail end of the steel wire rope 5 is provided with a hook for hanging light materials, and for part of light materials with special shapes, the steel wire rope 5 can also be directly wound on the materials, and the light materials are driven to reciprocate in the vertical direction by the traction of the winch 4, so that the vertical displacement of the hanging is realized. The utility model can finish the material handling task under the condition that no steel beam, concrete beam or special hoisting embedded part is arranged above the platform, i.e. no fixed point is arranged above the platform.

The sliding cylinder assembly 6 is sleeved on the outer wall of the force arm rod 1 at a position which is 1/4-1/5 of the front end, the sliding cylinder assembly 6 can flexibly slide left and right on the force arm rod 1, and the moment can be changed according to materials with different weights by adjusting the position of the sliding cylinder assembly, so that the stability and the safety of hoisting operation are ensured. The bottom end of the sliding cylinder assembly 6 is detachably connected with the rotating assembly 7, concentric holes matched with each other are formed in advance, and the sliding cylinder assembly and the rotating assembly are inserted into the holes by utilizing pin shafts to realize connection. This connection facilitates both the movement of the slide assembly 6 according to actual needs during operation and the disassembly during transportation or storage of the device. When the rotating assembly 7 rotates left and right, the arm rod 1 with power can also rotate, and the ideal hoisting effect is achieved by matching with the traction of the winch 4.

The bottom end of the rotating component 7 is welded with the supporting component 8. The supporting components 8 are divided into two types, and for temporary operation scenes, the supporting components with triangular structures can be selected, and the universal wheels with brakes are installed on the feet, so that the equipment can be conveniently moved and quickly arranged. When the triangular support bracket is manufactured, angle irons with the length of 10mm multiplied by 10mm or channel steels with the length of 10mm or more are required to be used for ensuring the structural strength. For a platform used in a long-term fixed position, a fixed bracket is adopted, and the fixed bracket is at least made of thick-wall seamless steel pipes with DN80 and above. Before carrying out hoisting operation, utilize the rope to firmly be connected support bracket and fixed point, especially to heavier goods and materials, more ensure the firm of support bracket, prevent to rock because of the too heavy equipment that leads to of goods and materials in the hoisting process, guarantee operation safety.

In the embodiment of the present utility model, as shown in fig. 2 and 3, the spool assembly 6 includes a sleeve body 601, a connection lug 602, and a fastening bolt 604;

The sleeve body 601 is sleeved on the outer wall of the force arm rod 1, a connecting lug 602 is fixedly connected to any end of the sleeve body 601, a first through hole 603 is formed in the connecting lug 602 and is used for being detachably connected with the rotating assembly 7, threaded holes are symmetrically formed in the surface of the sleeve body 601, the threaded holes are in threaded connection with the fastening bolts 604, and the end portions of the fastening bolts 604 are abutted to the outer wall of the force arm rod 1.

The rotating assembly 7 comprises an inner rod 701, an outer rod 702, rollers 704 and a sliding platform 705;

The bottom end of the inner rod 701 is inserted into the outer rod 702, a second through hole 703 matched with the first through hole 603 is formed in the upper portion of the inner rod 701, the second through hole 703 is connected with the first through hole 603 through a pin shaft, a roller 704 is arranged in the middle of the inner rod 701, a sliding platform 705 is welded on the top end of the outer rod 702 along the periphery, the bottom of the roller 704 is abutted to the sliding platform 705, and the bottom of the outer rod 702 is fixedly connected with a supporting component 8.

Specifically, the sleeve body 601 is cylindrical and is sleeved on the outer wall of the arm lever 1, and the installation position of the sleeve body is located at the front end of the arm lever 1. The device can slide left and right on the arm lever 1, and the position of the rotating assembly 7 connected with the arm lever can be adjusted by changing the position of the arm lever. Namely, the moment is changed according to materials with different weights, so that the stability and the safety of the whole hoisting operation process are ensured.

Any end of the sleeve body 601 is welded with a cylindrical connecting lug 602, and a first through hole 603 is formed in the connecting lug 602. The first through hole 603 is used for forming a concentric hole matched with the rotating component 7, and then is inserted into the hole by a pin shaft, so that the two holes are connected.

In order to prevent the sleeve body 601 from sliding in the working process, threaded holes are symmetrically formed in the surface of the sleeve body 601, and the end of the fastening bolt 604 is tightly abutted against the outer wall of the moment arm rod 1 through threaded connection with the fastening bolt 604, so that the sleeve body 601 is locked on the moment arm rod 1.

The inner rod 701 in the rotating assembly 7 is in a fork shape, two second through holes 703 matched with the first through holes 603 of the connecting lugs 602 are formed on two sides of the U-shaped part of the upper part of the inner rod 701, and the two second through holes 703 are inserted through pin shafts, so that detachable connection is realized between the two second through holes 703 and the first through holes 603. The bottom of the outer rod 702 is welded to the support assembly 8.

The bottom column of the inner rod 701 is inserted into the outer rod 702, the bottom of the U-shaped part on the inner rod 701 clamps the roller 704 through two iron plates, the center of the roller 704 is inserted into the rotating shaft and sleeved with sliding bearings at two sides, and the roller 704 is clamped. The bottom of the roller 704 is abutted against the sliding platform 705, and the sliding platform 705 is welded on the periphery of the top of the outer rod 702 to form a disc shape. The rotating assembly 7 enables the inner rod 701 to perform 360 ° universal rotation based on the outer rod 702, so as to be suitable for different positions, and finally achieve the lifting requirement on light materials.

As one implementation of an embodiment of the present utility model, as shown in fig. 4, the support assembly 8 includes a triangular frame 801, a pulley 802;

The triangular frame 801 is moved by a pulley 802 provided at the bottom end, and the top end of the triangular frame 801 is fixedly connected with the outer rod 702.

Specifically, in the temporary working scenario, the support assembly 8 is triangular. The bottom of the triangular frame 801 is provided with a pulley 802 by means of which the pulley 802 can be moved quickly to the working position and the arrangement is completed. Due to stability and safety during operation, the triangular support bracket is made of angle irons with the specification of 10mm multiplied by 10mm or channel steels with the thickness of 10mm or more, so that the triangular support bracket is ensured to have enough structural strength, and reliable support is provided for the whole hoisting operation.

As another implementation of the embodiment of the present utility model, as shown in fig. 5, the support assembly 8 includes a fixing rod 803 and a circular table 804 fixed at the bottom end of the fixing rod 803;

the fixing rod 803 is cylindrical, and the top end of the fixing rod 803 is fixedly connected with the outer rod 702.

Specifically, for a platform used in a long-term fixed position, a fixing rod 803 is used, and the fixing rod 803 is made of at least a thick-wall seamless steel pipe of DN80 or more. Meanwhile, for stability, a round table 804 is also arranged at the bottom of the fixing rod 803, so that the contact area with the ground is increased.

It should be noted that, no matter what kind of supporting component 8 is adopted, before the hoisting operation is performed, the supporting bracket and the fixed point must be firmly connected by using a rope (such as oblique lines and trapezoids in fig. 4), especially for heavier materials, the stability of the supporting bracket is ensured, the equipment shaking caused by overweight materials in the hoisting process is prevented, and the operation safety is ensured.

In the embodiment of the present utility model, the support assembly 8 further comprises a support frame 805 disposed at the end of the arm bar 1, and the support frame 805 is used for supporting the arm bar 1.

Specifically, the support frame 805 may be triangular or T-shaped, the support frame 805 is made of a small iron pipe, and the weight may be manually moved to support the lifting arm 1 during operation or standby.

In the embodiment of the utility model, a plurality of positioning rings 101 are uniformly arranged on the outer wall of the arm lever 1 at intervals, and the steel wire rope 5 passes through the positioning rings 101.

The inclination angle between the first pulley 2 and the force arm rod 1 is 30-45 degrees, and the second pulley 3 is perpendicular to the force arm rod 1.

The end of the arm bar 1 facing away from the lightweight material is provided with a counterweight basket 102.

The tail end of the arm lever 1 is fixedly connected with a handle 103.

Specifically, the outer wall of the arm lever 1 is uniformly and equidistantly provided with a plurality of positioning rings 101, and the steel wire rope 5 passes through the positioning rings. The positioning ring 101 can effectively prevent the wire rope 5 from being separated from the force arm lever 1 when the winch 4 starts the wire rope 5, ensures the stable movement track of the wire rope 5, and provides a guarantee for the safety of hoisting operation.

Specifically, the inclination angle between the first pulley 2 and the arm lever 1 is kept at 30-45 degrees when the first pulley 2 is installed, and the second pulley 3 is perpendicular to the arm lever 1. The angular setting optimizes the force and direction of movement of the wire rope 5. By utilizing the characteristic that the fixed pulley changes the direction of force, an operator can more easily control the winch 4 to drive light materials to stably hoist in the vertical direction, so that the operability of hoisting operation is improved.

Specifically, be provided with counter weight basket 102 in the one end that arm of force pole 1 deviates from light-duty material, its main role is according to the weight of hoist and mount thing, through adding or reducing the heavy object in the counter weight basket 102, adjusts the moment balance of whole device, prevents that the device from taking place to topple because of the moment unbalance in the hoist and mount process, has ensured the stability of hoist and mount operation.

The tail end of the arm lever 1 is fixedly connected with a handle 103 so as to control and hoist the arm lever 1 during operation.

Based on the above embodiment, the working process of the light material lifting device provided by the utility model is that a proper supporting component 8 is selected according to the working scene, for example, a temporary working scene is selected, a triangular frame 801 with a pulley 802 is selected, the triangular frame is moved to the working position, the supporting bracket is firmly connected with a fixed point by using a rope, and the pulley 802 is braked and locked.

The position of the sliding cylinder assembly 6 on the arm rod 1 is adjusted according to the weight, so that the length of the arm rod 1 at the front end of the sliding cylinder assembly 6 is generally at least not less than 1.5m, and the sliding cylinder assembly 6 is fixed on the arm rod 1 through a fastening bolt 604 on the sliding cylinder assembly 6. Meanwhile, weights are added or reduced in the weight basket 102 according to the moment proportion, the weights are adjusted, and the weights of the weights follow the principle of being large or small.

The lifting force arm rod 1 is rotated out of the platform to hang in the air, the steel wire rope 5 is put down, the winch 4 is controlled to pull the steel wire rope 5, and the steel wire rope drives the light materials to lift up in the vertical direction according to the steel wire rope 5 until the lifting objects are lifted to the position above the platform.

The whole arm lever 1 is driven to rotate through the rotating assembly 7, so that light materials fall onto the platform to finish hoisting. The lifting device does not need to be provided with a fixed point above, has a simple structure, and is convenient to move and use.

It should be noted that the above embodiments are merely for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present utility model.

Claims (10)

1. The light material hoisting device is characterized by comprising a moment arm rod (1), a first pulley (2), a second pulley (3), a winch (4), a steel wire rope (5), a sliding cylinder assembly (6), a rotating assembly (7) and a supporting assembly (8);

One end of the force arm rod (1) is fixedly connected with the first pulley (2), the other end of the force arm rod (1) is fixedly connected with the second pulley (3), the winch (4) is arranged above the second pulley (3), the steel wire rope (5) is wound on the winch (4), one end, deviating from the winch (4), of the steel wire rope (5) sequentially passes through the second pulley (3) and the first pulley (2) and is connected with light materials, and the steel wire rope (5) is used for driving the light materials to reciprocate in the vertical direction;

The sliding cylinder assembly (6) is sleeved on the outer wall of the force arm rod (1), the bottom end of the sliding cylinder assembly (6) is detachably connected with the rotating assembly (7), and the bottom end of the rotating assembly (7) is fixedly connected with the supporting assembly (8).

2. The lightweight material lifting device as recited in claim 1, wherein,

The sliding cylinder assembly (6) comprises a sleeve body (601), a connecting lug (602) and a fastening bolt (604);

The novel telescopic arm rod comprises a sleeve body (601), a connecting lug (602) is fixedly connected at any end of the sleeve body (601), a first through hole (603) is formed in the connecting lug (602), the first through hole (603) is used for being detachably connected with a rotating assembly (7), threaded holes are symmetrically formed in the surface of the sleeve body (601), the threaded holes are in threaded connection with fastening bolts (604), and the end portions of the fastening bolts (604) are abutted to the outer wall of the arm rod (1).

3. The lightweight material lifting device as recited in claim 2, wherein,

The rotating assembly (7) comprises an inner rod (701), an outer rod (702), rollers (704) and a sliding platform (705);

The bottom end of the inner rod (701) is inserted into the outer rod (702), a second through hole (703) matched with the first through hole (603) is formed in the upper portion of the inner rod (701), the second through hole (703) is connected with the first through hole (603) through a pin shaft, the roller (704) is arranged in the middle of the inner rod (701), the top end of the outer rod (702) is welded with the sliding platform (705) along the periphery, the bottom of the roller (704) is abutted to the sliding platform (705), and the bottom of the outer rod (702) is fixedly connected with the supporting component (8).

4. The lightweight material lifting device as recited in claim 3, wherein,

The support assembly (8) comprises a triangular frame (801) and a pulley (802);

The triangular frame (801) moves through the pulley (802) arranged at the bottom end, and the top end of the triangular frame (801) is fixedly connected with the outer rod (702).

5. The lightweight material lifting device as recited in claim 3, wherein,

The supporting component (8) comprises a fixed rod (803) and a round table (804) fixed at the bottom end of the fixed rod (803);

the fixing rod (803) is cylindrical, and the top end of the fixing rod (803) is fixedly connected with the outer rod (702).

6. The lightweight material lifting device as recited in claim 3, wherein,

The support assembly (8) further comprises a support frame (805) arranged at the tail end of the arm lever (1), and the support frame (805) is used for supporting the arm lever (1).

7. The lightweight material lifting device as recited in claim 1, wherein,

A plurality of positioning rings (101) are uniformly arranged on the outer wall of the force arm rod (1) at intervals, and the steel wire rope (5) passes through the positioning rings (101).

8. The lightweight material lifting device as recited in claim 1, wherein,

The inclination angle between the first pulley (2) and the force arm rod (1) is 30-45 degrees, and the second pulley (3) is perpendicular to the force arm rod (1).

9. The lightweight material lifting device as recited in claim 1, wherein,

One end of the force arm rod (1) deviating from the light material is provided with a counterweight basket (102).

10. The lightweight material lifting device as recited in claim 9, wherein,

The tail end of the force arm rod (1) is fixedly connected with a handle (103).