CN216038373U - Pulley block for crane - Google Patents
Pulley block for crane Download PDFInfo
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- CN216038373U CN216038373U CN202120824709.9U CN202120824709U CN216038373U CN 216038373 U CN216038373 U CN 216038373U CN 202120824709 U CN202120824709 U CN 202120824709U CN 216038373 U CN216038373 U CN 216038373U
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- pulley
- inner connecting
- connecting plate
- movable pulley
- fixing plate
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Abstract
The utility model provides a pulley block for a crane, which comprises an outer shell, an inner connecting plate, a first fixing plate and a pulley assembly, wherein the inner connecting plate is arranged in the outer shell, the inner connecting plate is connected with the first fixing plate and a second fixing plate through a wheel shaft, the first fixing plate is arranged on the left side of the inner connecting plate, the second fixing plate is arranged on the right side of the inner connecting plate, the pulley assembly is arranged in the middle of the inner connecting plate, and the pulley assembly consists of a movable pulley, a parallel movable pulley, a wheel shaft and a main pulley. By adding the movable pulley, the pulley block can run more labor-saving when the crane lifts a heavy object, so that the pulley block is more practical to use, and by arranging the movable pulley, the right auxiliary wheel and the left auxiliary wheel can jointly assist the running of the movable pulley through the wheel shaft, so that the pulley block is more stable, and the pulley block is more suitable for the field of cranes in actual use.
Description
Technical Field
The utility model belongs to the field of cranes, and particularly relates to a pulley block for a crane.
Background
At present, a crane pulley block is a fixed pulley which is matched with a hook group to work, and is fixed on a structure and consists of a plurality of fixed pulleys and movable pulleys. The pulley block is widely applied to machinery such as a crane, a winch and a lifter, and is one of important parts of hoisting machinery.
However, the pulley blocks of today are not stable to use and are difficult to carry the weight of a large load.
Therefore, a pulley block for a crane is needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a pulley block for a crane, so as to solve the problems in the background technology.
The technical scheme of the utility model is realized as follows: a pulley block for a crane comprises an outer shell, an inner connecting plate, a first fixing plate and a pulley assembly, wherein the inner connecting plate is arranged inside the outer shell and is connected with the first fixing plate and a second fixing plate through a wheel shaft, the first fixing plate is arranged on the left side of the inner connecting plate, the second fixing plate is arranged on the right side of the inner connecting plate, the pulley assembly is arranged in the middle of the inner connecting plate and consists of a movable pulley, a parallel movable pulley, a wheel shaft and a main pulley, the movable pulley is arranged above the inner side of the inner connecting plate and is connected with the inner connecting plate through an upper shaft, the parallel movable pulley is arranged below the movable pulley, the right pulley is arranged on the right side of the parallel movable pulley, the left pulley is arranged on the left side of the parallel movable pulley, the left pulley and the right pulley are connected with the first fixing plate and the second fixing plate through the wheel shaft, and the main pulley is arranged below the parallel movable pulley, the main pulley is connected with the main shaft.
In a preferred embodiment, the right auxiliary wheel is arranged below the right pulley, and the right auxiliary wheel is connected with the right connecting shaft.
In a preferred embodiment, the left auxiliary wheel is arranged below the left pulley, and the left auxiliary wheel is connected with the left connecting shaft.
In a preferred embodiment, the protective frame is arranged below the main pulley, and the protective frame is connected with the connecting block in a welding mode.
As a preferred embodiment, the fixing rod is arranged in the middle of the protective frame, the fixing rod is connected with the protective frame through a nut, and the front surface of the outer shell is provided with a vent.
In a preferred embodiment, the inner connecting plate is made of carbon steel, the first fixing plate and the second fixing plate are made of cast steel, and the main pulley and the movable pulley are made of alloy steel.
After the technical scheme is adopted, the utility model has the beneficial effects that: by adding the movable pulley, the pulley block can run more labor-saving when the crane lifts a heavy object, so that the pulley block is more practical to use, and by arranging the movable pulley, the right auxiliary wheel and the left auxiliary wheel can jointly assist the running of the movable pulley through the wheel shaft, so that the pulley block is more stable, and the pulley block is more suitable for the field of cranes in actual use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of the whole structure of a pulley block for a crane in a front sectional view.
Fig. 2 is a schematic structural diagram of a pulley block for a crane according to the present invention.
Fig. 3 is a schematic structural diagram of a left view of a pulley block for a crane according to the present invention.
In the figure, 1-outer shell, 2-inner connecting plate, 3-fixed plate I, 4-movable pulley, 5-upper shaft, 6-parallel movable pulley, 7-wheel shaft, 8-right pulley, 9-right auxiliary wheel, 10-right connecting shaft, 11-fixed plate II, 12-protective frame, 13-fixed rod, 14-nut, 15-main shaft, 16-connecting block, 17-pulley component, 18-left pulley, 19-left auxiliary wheel, 20-left connecting shaft, 21-main pulley and 22-vent hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a pulley block for a crane comprises an outer shell 1, an inner connecting plate 2, a first fixing plate 3 and a pulley assembly 17, wherein the inner connecting plate 2 is arranged inside the outer shell 1, the inner connecting plate 2 is connected with the first fixing plate 3 and a second fixing plate 11 through a wheel shaft 7, the first fixing plate 3 is arranged on the left side of the inner connecting plate 2, the second fixing plate 11 is arranged on the right side of the inner connecting plate 2, the pulley assembly 17 is arranged in the middle of the inner connecting plate 2, the pulley assembly 17 consists of a movable pulley 4, a parallel movable pulley 6, a wheel shaft 7 and a main pulley 21, the movable pulley 4 is arranged above the inner side of the inner connecting plate 2, the movable pulley 4 is connected with the inner connecting plate 2 through an upper shaft 5, the movable pulley 6 is arranged below the movable pulley 4, a right pulley 8 is arranged on the right side of the parallel movable pulley 6, a left pulley 18 is arranged on the left side of the parallel movable pulley 6, the left pulley 18 and the right pulley 8 are connected with the first fixing plate 3 and the second fixing plate 11 through the wheel shaft 7, the main pulley 21 is arranged below the movable pulley 6, the main pulley 21 is connected with the main shaft 15, the movable pulley 4 is arranged, so that the crane can lift heavy objects more easily, and the pulley block can be more stable through the movable pulley 6.
A right auxiliary wheel 9 is arranged below the right pulley 8, a right connecting shaft 10 is connected with the right auxiliary wheel 9, and the right pulley 8 can be assisted to rotate by arranging the right auxiliary wheel 9.
A left auxiliary wheel 19 is arranged below the left pulley 18, a left connecting shaft 20 is connected with the left auxiliary wheel 19, and the left pulley 18 can be assisted to rotate by arranging the left auxiliary wheel 19.
The protective frame 12 is arranged below the main pulley 21, the connecting block 16 is connected with the protective frame 12 in a welding mode, and the fixing rod 13 can be fixed through the protective frame 12.
The middle of the protective frame 12 is provided with a fixed rod 13, the protective frame 12 is connected with the fixed rod 13 through a nut 14, the ventilation opening 22 is arranged on the front surface of the outer shell 1, and a lifting hook can be arranged on the fixed rod 13 through the fixed rod 13.
The inner connecting plate 2 is made of carbon steel, the first fixing plate 3 and the second fixing plate 11 are made of cast steel, the main pulley 21 and the movable pulley 4 are made of alloy steel, the inner connecting plate 2 is made of carbon steel, the material is very hard, and the main pulley 21 and the movable pulley 4 are made of alloy steel, so that the loss of the material is low.
As an embodiment of the present invention: in actual use, the slings penetrate into the outer shell 1, firstly, the two slings are respectively wound on the main pulley 21 and then wound on the main pulley 21, the two slings are continuously wound on the parallel movable pulley 6 and then wound on the parallel movable pulley 6, then the two slings are wound on the movable pulley 4 to complete the installation of the internal slings, then the auxiliary slings are installed on the left pulley 18 on the left side, firstly, the left auxiliary wheel 19 is wound on the left pulley 18 and then the left installation is completed, the right auxiliary wheel 9 on the right side is wound on the slings and wound on the right pulley 8 to complete the installation on the right side, when in operation, the main pulley 21 is stable, the slings drive the movable pulley 4 to rotate according to the articles to be lifted, when the movable pulley 4 rotates, the slings are more labor-saving, the left pulley 18 and the right pulley 8 jointly assist the parallel movable pulley 6 to operate through the wheel shaft 7, and the movable pulley 6 can enable the main pulley 21 and the movable pulley 4 to operate more stably, by providing the fixing bars 13, hooks required for a crane can be mounted on the fixing bars 13.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a pulley block for hoist, includes shell body (1), internal connection board (2), fixed plate (3) and loose pulley assembly (17), its characterized in that: the inner connecting plate (2) is arranged inside the outer shell (1), the inner connecting plate (2) is connected with a first fixing plate (3) and a second fixing plate (11) through a wheel shaft (7), the first fixing plate (3) is arranged on the left side of the inner connecting plate (2), the second fixing plate (11) is arranged on the right side of the inner connecting plate (2), the pulley component (17) is arranged in the middle of the inner connecting plate (2), the pulley component (17) consists of a movable pulley (4), a parallel movable pulley (6), a wheel shaft (7) and a main pulley (21), the movable pulley (4) is arranged above the inner side of the inner connecting plate (2), the movable pulley (4) is connected with the inner connecting plate (2) through an upper shaft (5), the parallel movable pulley (6) is arranged below the movable pulley (4), a right pulley (8) is arranged on the right side of the parallel movable pulley (6), a left pulley (18) is arranged on the left side of the parallel movable pulley (6), the parallel movable pulley (6), the left pulley (18) and the right pulley (8) are connected with the first fixing plate (3) and the second fixing plate (11) through a wheel shaft (7), the main pulley (21) is arranged below the parallel movable pulley (6), and the main pulley (21) is connected with the main shaft (15).
2. The pulley block for a crane according to claim 1, wherein: the right auxiliary wheel (9) is arranged below the right pulley (8), and the right auxiliary wheel (9) is connected with the right connecting shaft (10).
3. The pulley block for a crane according to claim 1, wherein: the left auxiliary wheel (19) is arranged below the left pulley (18), and the left auxiliary wheel (19) is connected with the left connecting shaft (20).
4. The pulley block for a crane according to claim 1, wherein: the protective frame (12) is arranged below the main pulley (21), and the protective frame (12) is connected with the connecting block (16) in a welding mode.
5. The pulley block for a crane according to claim 1, wherein: the fixing rod (13) is arranged in the middle of the protective frame (12), the fixing rod (13) is connected with the protective frame (12) through a nut (14), and the front surface of the outer shell (1) is provided with a ventilation opening (22).
6. The pulley block for a crane according to claim 1, wherein: the inner connecting plate (2) is made of carbon steel, the first fixing plate (3) and the second fixing plate (11) are made of cast steel, and the main pulley (21) and the movable pulley (4) are made of alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120824709.9U CN216038373U (en) | 2021-04-21 | 2021-04-21 | Pulley block for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120824709.9U CN216038373U (en) | 2021-04-21 | 2021-04-21 | Pulley block for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216038373U true CN216038373U (en) | 2022-03-15 |
Family
ID=80613702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120824709.9U Active CN216038373U (en) | 2021-04-21 | 2021-04-21 | Pulley block for crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216038373U (en) |
-
2021
- 2021-04-21 CN CN202120824709.9U patent/CN216038373U/en active Active
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