CN212982310U

CN212982310U - Balance arm for mounting pulley shaft

Info

Publication number: CN212982310U
Application number: CN202021888725.6U
Authority: CN
Inventors: 刘辉; 潘伟; 康贵兴
Original assignee: Henan Zhongzhou Intelligent Equipment Group Co ltd
Current assignee: Henan Zhongzhou Intelligent Equipment Group Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-04-16
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses a balance arm for installing loose pulley relates to balance arm technical field, the pulley is installed in the both ends embedding of loose pulley, the spacing subassembly of loose pulley fixedly connected with is passed through to the internal surface of pulley, the surface of pulley passes through loose pulley fixedly connected with balance arm, the surface of balance arm is close to the axle head fixedly connected with rope plug assembly of pulley department, first connecting axle is installed in the upper portion embedding of balance arm, the outside of first connecting axle is close to both ends department joint and has the connecting rod, the connecting rod is kept away from the one end embedding of first connecting axle and is installed the second connecting axle. This a balance arm for installing loose pulley axle is provided with balance arm, connecting rod, connecting axle, pulley etc. and the wire rope that rope stopper department is connected is fixed can play the balancing act, can reduce the volume and the weight of dolly in the use, and this balance arm sets up spacing subassembly and can carry on spacingly to the loose pulley axle for the pulley is more steady at the pivoted in-process operation.

Description

Balance arm for mounting pulley shaft

Technical Field

The utility model relates to a balance arm technical field specifically is a balance arm for installing loose pulley axle.

Background

The general balance arm is provided with 4 installation lifting lugs, the balance arm is fixedly connected with a rotary tower body through a pin shaft, the balance arm is gradually lifted to a proper position, a pull rod on the balance arm is connected with a pull rod of a balance pipe on the top of the tower through a pin wheel, the pin shaft is penetrated, a split pin is opened, the balance arm is slowly put down to hoist objects, and the general balance arm is usually arranged on the upper part of a trolley surface in the form of a balance arm, a balance arm support and the like.

However, the center distance of the speed reducer is increased in the use process of the balance arm installed on the upper portion of the trolley at present, the chassis of the trolley is increased, the integral size of the crane trolley mechanism is increased, the weight is increased, the limit positions of the left lifting hook and the right lifting hook of the crane trolley are affected, space waste is caused, and sometimes, the pulley shaft cannot be limited, so that the equipment is unstable in working in the operation process. Accordingly, one skilled in the art provides a balance arm for mounting a pulley shaft to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a balance arm for installing the loose pulley axle to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a balance arm for installing loose pulley axle, includes pulley and loose pulley axle, the pulley is installed in the both ends embedding of loose pulley axle, the spacing subassembly of loose pulley axle fixedly connected with is passed through to the internal surface of pulley, the surface of pulley passes through loose pulley axle fixedly connected with balance arm, the surface of balance arm is close to the axle head fixedly connected with rope plug assembly of pulley, first connecting axle is installed in the upper portion embedding of balance arm, the outside of first connecting axle is close to both ends department joint and has the connecting rod, the connecting rod is kept away from the one end embedding of first connecting axle and is installed the second connecting axle, second connecting axle and another set of balance arm fixed connection.

As a further aspect of the present invention: the limiting assembly comprises a fixing column, a limiting block and a fixing chuck, the inner surface of the limiting assembly is fixedly connected with the fixing column through a pulley shaft, the limiting block is fixedly arranged on one side surface of the fixing column, which is far away from the pulley, and the fixing chuck is fixedly arranged on one side surface of the limiting block, which is far away from the fixing column.

As a further aspect of the present invention: the rope plug assembly comprises a first fastening block, a fixing plate, a rope plug and a second fastening block, the outer surface of the balance arm is close to the shaft end of the pulley and fixedly provided with the first fastening block, one side surface of the first fastening block, far away from the balance arm, is fixedly provided with the rope plug, one side surface of the rope plug, near the fixing plate, is fixedly provided with the fixing plate, the fixing plate is distributed on two sides of the first fastening block, and one side surface of the rope plug, far away from the first fastening block, is fixedly connected with the second fastening block.

As a further aspect of the present invention: the fixed plate is of a triangular plate structure and is a stainless steel component.

As a further aspect of the present invention: the outer surface of the rope plug is in a thread shape, and the rope plug can be connected with a steel wire rope.

As a further aspect of the present invention: the fixing column, the limiting block and the fixing chuck are all of cylindrical structures, and the fixing column, the limiting block and the fixing chuck are all components made of magnesium alloy materials.

As a further aspect of the present invention: the first fastening block and the second fastening block are both of cylindrical structures, and are both members made of stainless steel materials.

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

this a balance arm for installing loose pulley is provided with the balance arm, the connecting rod, the connecting axle, pulley and loose pulley shaft etc. rope that rope stopper department is connected is fixed can play the balance effect, this mechanism can reduce the volume and the weight of dolly in the use, the space has been practiced thrift, this balance arm is provided with spacing subassembly and rope stopper subassembly, spacing subassembly can carry on spacingly to the loose pulley shaft, make the pulley move more steadily at the pivoted in-process, the rope stopper subassembly can be connected more stability to the object of being connected with wire rope.

Drawings

Fig. 1 is a schematic structural view of a balance arm for mounting a pulley shaft;

FIG. 2 is a front view of a balance arm for mounting a pulley shaft;

FIG. 3 is a schematic view of a position limiting assembly in a balance arm for mounting a pulley shaft;

fig. 4 is a schematic view of a cord assembly in a balance arm for mounting a pulley shaft.

In the figure: 1. a limiting component; 2. a first connecting shaft; 3. a connecting rod; 4. a pulley; 5. a cord assembly; 6. a pulley shaft; 7. a balance arm; 8. a second connecting shaft; 9. fixing a column; 10. a limiting block; 11. fixing the chuck; 12. a first fastening block; 13. a fixing plate; 14. a cord plug; 15. a second fastening block.

Detailed Description

Referring to fig. 1-4, in an embodiment of the present invention, a balance arm for mounting a pulley shaft includes a pulley 4 and a pulley shaft 6, the pulley 4 is embedded in two ends of the pulley shaft 6, a limiting assembly 1 is fixedly connected to an inner surface of the pulley 4 through the pulley shaft 6, the limiting assembly 1 includes a fixing column 9, a limiting block 10 and a fixing chuck 11, the fixing column 9, the limiting block 10 and the fixing chuck 11 are all of a cylindrical structure, and the fixing column 9, the limiting block 10 and the fixing chuck 11 are all made of magnesium alloy material, the inner surface of the limiting assembly 1 is fixedly connected to the fixing column 9 through the pulley shaft 6, the limiting block 10 is fixedly mounted on a side surface of the fixing column 9 away from the pulley 4, the fixing chuck 11 is fixedly mounted on a side surface of the limiting block 10 away from the fixing column 9, the device is provided with the limiting assembly 1, the pulley shaft 6 can, the pulley shaft 6 is limited, so that the pulley shaft 6 is not over-biased in the rotating process effectively, the lifting process runs stably, and the running deviation is reduced.

In fig. 1 and 4: the outer surface of the pulley 4 is fixedly connected with a balance arm 7 through a pulley shaft 6, the outer surface of the balance arm 7 is fixedly connected with a rope plug component 5 at the position close to the shaft end of the pulley 4, the rope plug component 5 comprises a first fastening block 12, a fixing plate 13, a rope plug 14 and a second fastening block 15, the outer surface of the rope plug 14 is in a thread shape, the rope plug 14 can be connected with a steel wire rope, the fixing plate 13 is in a triangular plate structure, the fixing plate 13 is a component made of stainless steel, the position, close to the shaft end of the pulley 4, of the outer surface of the balance arm 7 is fixedly provided with the first fastening block 12, the first fastening block 12 and the second fastening block 15 are both in a cylinder structure, the first fastening block 12 and the second fastening block 15 are both components made of stainless steel, the rope plug 14 is fixedly arranged on the surface of one side, far away from the balance arm 7, of the first fastening block, the fixing plates 13 are distributed on two sides of the first fastening block 12, a second fastening block 15 is fixedly connected to the surface of one side, far away from the first fastening block 12, of the rope plug 14, the first connecting shaft 2 is embedded in the upper portion of the balance arm 7, the connecting rod 3 is clamped at the position, close to two ends, of the outer portion of the first connecting shaft 2, the second connecting shaft 8 is embedded in one end, far away from the first connecting shaft 2, of the connecting rod 3, the second connecting shaft 8 is fixedly connected with the other set of balance arm 7, when a worker lifts a heavy object, under the combined action of the balance arm 7, the connecting rod 3, the first connecting shaft 2, the pulley 4, the pulley shaft 6, the rope plug 14 and the rope plug 14 connected with the rope plug 14, the balance arm 7 is slowly put down and lifted to lift the object, then the balance arm 7 is gradually lifted to a proper position to start to lift the heavy work, the balance arm 7 is connected with the pulley 4 and fixed by the rope plug, meanwhile, the size of the object is not enlarged, the space is saved, the rope plug assembly 5 comprises a first fastening block 12, a fixing plate 13 and a second fastening block 15, the connection part of the object can be fastened, the bearing load of the connection part of the object is increased, the service life of a workpiece is longer, the potential safety hazard is reduced, the outer surface of the rope plug 14 is in a threaded shape, the friction of the connection part is increased, and the hoisting object is more stable.

The utility model discloses a theory of operation is: the hoisting device is provided with a limiting component 1, the pulley shaft 6 can be sleeved through a fixing column 9, a limiting block 10 and a fixing chuck 11 to limit the pulley shaft 6, the pulley shaft 6 can be effectively prevented from being over deviated in the rotating process, the hoisting process can be stably operated, the equipment operation deviation can be reduced, when a worker hoists a heavy object, the balance arm 7 is slowly put down to hoist the object under the combined action of the balance arm 7, the connecting rod 3, the first connecting shaft 2, the pulley 4, the pulley shaft 6, the rope plug 14 and the steel wire rope connecting rope plug 14, the balance arm 7 is gradually lifted to a proper position to start hoisting work, the balance arm 7 is connected with the pulley 4 and fixed by the steel wire rope to play a balance role, the weight of the object is reduced in the hoisting process, meanwhile, the size of the object is not required to be enlarged, the space is saved, and the rope plug component 5 comprises a first fastening block 12, Fixed plate 13, rope stopper 14 and second fastening block 15 can fasten the junction of object, increase the bearing load of object junction for work piece life is longer, also reduces the potential safety hazard, and rope stopper 14's surface is the screw thread form, increases the friction of junction, makes the jack-up thing more steady.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A balance arm for mounting a pulley shaft comprises a pulley (4) and a pulley shaft (6), it is characterized in that pulleys (4) are embedded and installed at two ends of the pulley shaft (6), the inner surface of the pulley (4) is fixedly connected with a limiting component (1) through a pulley shaft (6), the outer surface of the pulley (4) is fixedly connected with a balance arm (7) through a pulley shaft (6), the outer surface of the balance arm (7) is fixedly connected with a rope plug component (5) at the shaft end close to the pulley (4), the upper part of the balance arm (7) is embedded with a first connecting shaft (2), the outer part of the first connecting shaft (2) close to the two ends is clamped with a connecting rod (3), a second connecting shaft (8) is embedded and installed at one end of the connecting rod (3) far away from the first connecting shaft (2), the second connecting shaft (8) is fixedly connected with the other set of balance arms (7).

2. The balance arm for mounting the pulley shaft according to claim 1, wherein the limiting assembly (1) comprises a fixing column (9), a limiting block (10) and a fixing chuck (11), the fixing column (9) is fixedly connected to the inner surface of the limiting assembly (1) through the pulley shaft (6), the limiting block (10) is fixedly mounted on the surface of one side, away from the pulley (4), of the fixing column (9), and the fixing chuck (11) is fixedly mounted on the surface of one side, away from the fixing column (9), of the limiting block (10).

3. The balance arm for mounting the pulley shaft according to claim 1, wherein the rope plug assembly (5) comprises a first fastening block (12), a fixing plate (13), a rope plug (14) and a second fastening block (15), the first fastening block (12) is fixedly mounted on the outer surface of the balance arm (7) close to the shaft end of the pulley (4), the rope plug (14) is fixedly mounted on one side surface of the first fastening block (12) far away from the balance arm (7), the fixing plate (13) is fixedly mounted on the outer surface of the rope plug (14) close to one side of the fixing plate (13), the fixing plates (13) are distributed on two sides of the first fastening block (12), and the second fastening block (15) is fixedly connected to one side surface of the rope plug (14) far away from the first fastening block (12).

4. A balance arm for mounting a pulley shaft according to claim 3, characterized in that the fixing plate (13) is of a triangular plate structure and the fixing plate (13) is a member made of stainless steel.

5. A balance arm for mounting a pulley shaft according to claim 3, characterized in that the outer surface of the cord plug (14) is provided with a thread shape and the cord plug (14) is connectable to a steel cord.

6. The balance arm for mounting the pulley shaft according to claim 2, wherein the fixing column (9), the limiting block (10) and the fixing chuck (11) are all of a cylindrical structure, and the fixing column (9), the limiting block (10) and the fixing chuck (11) are all members made of magnesium alloy materials.

7. A balance arm for mounting a pulley shaft according to claim 3, characterized in that the first fastening block (12) and the second fastening block (15) are both of cylindrical structure, and the first fastening block (12) and the second fastening block (15) are both members of stainless steel material.