CN220537369U - Special movable arm for lifting machine - Google Patents

Abstract

The utility model belongs to the technical field of cranes, and particularly discloses a special movable arm of a crane, which comprises a base, wherein a lifting structure is arranged on the base, a lower support is fixedly arranged at the top of the base, an upper support is arranged at the top of the lower support, a rotating shaft is arranged at the joint of the lower support and the upper support, a fixed block is fixedly arranged at one end of the upper support, two ends of the movable shaft penetrate through the fixed block, a cylinder B is movably arranged on the side surface of the lower support, and a push rod B is arranged at one end of the cylinder B; the lifting device is characterized in that the lifting device is hooked on equipment to be lifted through the hook, the air cylinder A drives the push rod A to push upwards, the upper bracket rotates by taking the rotating shaft as the axis, one end of the upper bracket is lifted to lift the equipment, when the air cylinder A drives the push rod A upwards, the air cylinder B synchronously pulls the push rod B downwards, the push rod B pulls the movable shaft to move downwards, the fixing block is stressed to assist the upper bracket, so that the lifting force of the upper bracket is stronger, and the lifting device is easier to lift.

Description

Special movable arm for lifting machine

Technical Field

The utility model relates to the technical field of lifting equipment, in particular to a special movable arm for a lifting machine.

Background

The crane is small mechanical equipment with excellent performance and extremely wide application; the lifting machine is suitable for lifting operations of high-rise buildings, such as lifting various building materials and various decorating materials, and has unique advantages particularly for wide materials such as wood boards and carpentry boards which are inconvenient to carry in a corridor; meanwhile, the machine tool can also be used for the aspects of machine tools for up and down large workpieces in a machining workshop, production assembly lines in home power plants and food factories, warehouses, household lifting articles and the like;

the crane is easy to have the phenomenon of insufficient power when lifting high-quality objects such as stone blocks, cast iron workpieces and the like, the lifting speed is slow, certain potential safety hazards exist, and the equipment is damaged when the maximum load of the equipment is exceeded.

Disclosure of Invention

The utility model aims to provide a special movable arm of a crane, which aims to solve the problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a special movable arm of a crane is characterized in that: comprises the following steps of;

the lifting power assisting device comprises a base, wherein a lifting structure is arranged on the base, a lifting power assisting structure is arranged at the top of the base, and the lifting power assisting structure comprises a lower bracket, an upper bracket, a fixed block, a movable shaft and a cylinder B;

the fixed top that sets up at the base of lower carriage, the lower carriage is the slope form, and the top of lower carriage is provided with the upper bracket, and the junction of lower carriage and upper bracket is provided with the axis of rotation, and the lower carriage passes through the axis of rotation to be connected with the upper bracket rotation, and the fixed block is fixed to be set up in the one end of upper bracket, and the fixed block is run through at the both ends of loose axle, and cylinder B movable mounting is in the side of lower carriage, and the both sides of lower carriage all are provided with cylinder B, and cylinder B's one end is provided with push rod B, and push rod B's one end cover is connected rather than rotating at the tip of loose axle.

Preferably, the outside of lower carriage is fixed and is provided with connecting portion A, and the bottom of upper bracket is fixed and is provided with connecting portion B, and connecting portion A's top is provided with cylinder A, and cylinder A's top is provided with push rod A, and cylinder A's bottom is articulated with connecting portion A, and push rod A's top is articulated with connecting portion B.

Preferably, the inside of upper bracket is hollow structure, and the one end of upper bracket is provided with the telescopic link, the inside and its sliding connection of one end embedding upper bracket of telescopic link.

Preferably, one end of the telescopic rod is provided with a steel wire rope, and the bottom of the steel wire rope is fixedly provided with a hook.

Preferably, the top of base is located the fixed storage box that is provided with of side of lower carriage, and the lower carriage is kept away from the side symmetry of storage box and is provided with the stiffening rod, the both ends of stiffening rod respectively with lower carriage and base fixed connection.

Preferably, a plurality of universal wheels are arranged at the bottom of the base, and a handle is fixedly arranged at the top of one end of the base.

Compared with the prior art, the utility model has the beneficial effects that:

the lifting device is characterized in that the lifting device is hooked on equipment to be lifted through the hook, the air cylinder A drives the push rod A to push upwards, the upper bracket rotates by taking the rotating shaft as the axis, one end of the upper bracket is lifted to lift the equipment, when the air cylinder A drives the push rod A upwards, the air cylinder B synchronously pulls the push rod B downwards, the push rod B pulls the movable shaft to move downwards, the fixed block is stressed to assist the upper bracket, and the lifting force of the upper bracket is stronger and the lifting device is easier; the balancing weight can be placed in the inside of storage box for the focus is more firm when equipment lifts by crane, and the inside of storage box can place the operation instrument.

Drawings

FIG. 1 is a schematic view of a front perspective structure of the present utility model;

fig. 2 is a schematic view of a rear perspective structure of the present utility model.

In the figure: 1. a base; 2. a universal wheel; 3. a storage box; 4. a lower bracket; 5. a reinforcing rod; 6. a connection part A; 7. a cylinder A; 8. a push rod A; 9. a connecting part B; 10. an upper bracket; 11. a telescopic rod; 12. a wire rope; 13. a hook; 14. a fixed block; 15. a movable shaft; 16. a cylinder B; 17. a push rod B; 18. a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

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, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-2, the present utility model provides a technical solution: a special movable arm for a crane, comprising;

the lifting device comprises a base 1, wherein a lifting structure is arranged on the base 1, a lifting power assisting structure is arranged at the top of the base 1, and the lifting power assisting structure comprises a lower bracket 4, an upper bracket 10, a fixed block 14, a movable shaft 15 and a cylinder B16;

the fixed top that sets up at base 1 of lower carriage 4, lower carriage 4 is the slope form, the top of lower carriage 4 is provided with upper bracket 10, and the junction of lower carriage 4 and upper bracket 10 is provided with the axis of rotation, lower carriage 4 rotates with upper bracket 10 through the axis of rotation and is connected, fixed block 14 is fixed to be set up in the one end of upper bracket 10, fixed block 14 is run through at the both ends of loose axle 15, cylinder B16 movable mounting is in the side of lower carriage 4, and the both sides of lower carriage 4 all are provided with cylinder B16, the one end of cylinder B16 is provided with push rod B17, the one end cover of push rod B17 is connected rather than rotating at the tip of loose axle 15.

Further, connecting portion A6 is fixedly arranged on the outer side of lower support 4, connecting portion B9 is fixedly arranged on the bottom of upper support 10, air cylinder A7 is arranged at the top of connecting portion A6, push rod A8 is arranged at the top of air cylinder A7, the bottom of air cylinder A7 is hinged to connecting portion A6, and the top of push rod A8 is hinged to connecting portion B9.

Further, the inside of the upper bracket 10 is a hollow structure, one end of the upper bracket 10 is provided with a telescopic rod 11, and one end of the telescopic rod 11 is embedded into the inside of the upper bracket 10 and is in sliding connection with the inside.

Further, a steel wire rope 12 is arranged at one end of the telescopic rod 11, and a hook 13 is fixedly arranged at the bottom of the steel wire rope 12.

Further, the top of base 1 is located the fixed storage box 3 that is provided with in side of lower carriage 4, and the one side symmetry that the storage box 3 was kept away from to lower carriage 4 is provided with stiffener 5, and stiffener 5's both ends respectively with lower carriage 4 and base 1 fixed connection.

Working principle: the bottom of base 1 is provided with a plurality of universal wheels 2, and the top of base 1 one end is fixedly provided with handle 18.

When the lifting device is used, the air cylinder A7 is hooked on equipment to be lifted, the push rod A8 is driven to push upwards by the hook 13, the upper bracket 10 rotates by taking the rotating shaft as the axis, one end of the upper bracket 10 is lifted to lift the equipment, when the air cylinder A7 drives the push rod A8 upwards, the air cylinder B16 synchronously pulls the push rod B17 downwards, the push rod B17 pulls the movable shaft 15 to move downwards, the fixing block 14 is stressed to assist the upper bracket 10, so that the lifting force of the upper bracket 10 is stronger, and the equipment is lifted more easily;

further, the balancing weight can be placed in the storage box 3, so that the gravity center is more stable when the equipment is lifted, and a working tool can be placed in the storage box 3.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A special movable arm of a crane is characterized in that: comprises the following steps of;

the lifting device comprises a base (1), wherein a lifting structure is arranged on the base (1), a lifting power assisting structure is arranged at the top of the base (1), and the lifting power assisting structure comprises a lower bracket (4), an upper bracket (10), a fixed block (14), a movable shaft (15) and a cylinder B (16);

the utility model discloses a movable support, including base (1), lower carriage (4), cylinder B (16) movable mounting, cylinder B (16) and lower carriage (4), lower carriage (4) are the slope form, the top of lower carriage (4) is provided with upper bracket (10), and the junction of lower carriage (4) and upper bracket (10) is provided with the axis of rotation, lower carriage (4) are rotated through axis of rotation and upper bracket (10) and are connected, fixed block (14) are fixed to be set up the one end at upper bracket (10), fixed block (14) are run through at the both ends of loose axle (15), cylinder B (16) movable mounting is in the side of lower carriage (4), and the both sides of lower carriage (4) all are provided with cylinder B (16), the one end of cylinder B (16) is provided with push rod B (17), the one end cover of push rod B (17) is rotated with it at the tip of loose axle (15).

2. The movable arm special for a crane according to claim 1, wherein: the outside of lower carriage (4) is fixed and is provided with connecting portion A (6), and the bottom of upper bracket (10) is fixed and is provided with connecting portion B (9), and the top of connecting portion A (6) is provided with cylinder A (7), and the top of cylinder A (7) is provided with push rod A (8), and the bottom of cylinder A (7) is articulated with connecting portion A (6), and the top of push rod A (8) is articulated with connecting portion B (9).

3. The movable arm special for a crane according to claim 1, wherein: the inside of upper bracket (10) is hollow structure, and the one end of upper bracket (10) is provided with telescopic link (11), and the inside and its sliding connection of upper bracket (10) are embedded to one end of telescopic link (11).

4. A crane specific movable arm as claimed in claim 3, wherein: one end of the telescopic rod (11) is provided with a steel wire rope (12), and the bottom of the steel wire rope (12) is fixedly provided with a hook (13).

5. The movable arm special for a crane according to claim 1, wherein: the top of base (1) is located the side fixed storage box (3) that is provided with of lower carriage (4), and one side symmetry that storage box (3) were kept away from to lower carriage (4) is provided with stiffener (5), and the both ends of stiffener (5) are respectively with lower carriage (4) and base (1) fixed connection.

6. The movable arm special for a crane according to claim 1, wherein: the bottom of base (1) is provided with a plurality of universal wheels (2), and the top of base (1) one end is fixed and is provided with handle (18).