CN219730379U - Balance weight device of crane - Google Patents
Balance weight device of crane Download PDFInfo
- Publication number
- CN219730379U CN219730379U CN202320570456.6U CN202320570456U CN219730379U CN 219730379 U CN219730379 U CN 219730379U CN 202320570456 U CN202320570456 U CN 202320570456U CN 219730379 U CN219730379 U CN 219730379U
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- CN
- China
- Prior art keywords
- counterweight
- crane
- turntable
- swinging
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000725 suspension Substances 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Jib Cranes (AREA)
Abstract
The utility model discloses a counterweight device of a crane, which is arranged at one end of a turntable of the crane far away from a suspension arm, and comprises a bracket, a swinging assembly and a counterweight. According to the utility model, the swinging assembly is arranged between the turntable and the bracket, and the position of the counterweight is changed through the movement of the swinging assembly, so that the gravity center position of the counterweight and the turning radius of the counterweight during rotation are changed, the occupied space of the crane is reduced, the crane can be used in a narrow space, and the use range of the crane is increased.
Description
Technical Field
The utility model belongs to the field of engineering machinery, and particularly relates to a counterweight device of a crane.
Background
The crane is widely applied to hoisting operations of wind power plants, large petrochemical projects, large bridges and other projects, and is increasingly applied to construction of cities, factories and other places, and the requirements of clients on performance and space adaptability of the crane are higher. In order to improve the lifting performance of the crane, the weight of the counterweight is required to be increased continuously to increase the anti-overturning moment of the crane, so that various manufacturing and transportation costs are increased continuously, and the working condition of the crane in a plurality of narrow working spaces is limited.
Disclosure of Invention
The utility model aims to: the utility model aims to provide a counterweight device of a crane, which is convenient to operate and occupies small space.
The technical scheme is as follows: the balancing weight device of the crane comprises a balancing weight; the balancing weight is arranged on a turntable of the crane through a position adjusting mechanism; the position adjusting mechanism comprises a support and a swinging assembly, wherein the support is arranged on one side of the turntable, the swinging assembly is arranged between the support and the turntable, one end of the swinging assembly is connected with the turntable, and the other end of the swinging assembly is connected with the balancing weight.
The swinging assembly comprises a telescopic rod and a swinging rod, one end of the telescopic rod is connected with a fixed hinge point on the turntable through a pin shaft, and the other end of the telescopic rod is arranged on the swinging rod; one end of the swing rod rotates to be connected with a rotating hinge point of the bracket, and the other end of the swing rod is connected with the balancing weight through a hinge point hole.
The balancing weight comprises a lifting rod, one end of the lifting rod is connected with the hinge point hole through a rotating shaft, and the other end of the lifting rod is connected with the balancing weight; the lifting rod is provided with a locking shaft at one end close to the rotating shaft.
The lifting rod is connected with a first locking hole and a second locking hole on the bracket through a locking shaft.
Wherein, support and swing subassembly are provided with two at least groups, set up respectively in the both sides of revolving stage.
The beneficial effects are that: compared with the prior art, the utility model has the following advantages: according to the utility model, the swinging assembly is arranged between the turntable and the bracket, and the position of the counterweight is changed through the movement of the swinging assembly, so that the gravity center position of the counterweight and the turning radius of the counterweight during rotation are changed, the occupied space of the crane is reduced, the crane can be used in a narrow space, and the use range of the crane is increased.
Drawings
FIG. 1 is a schematic view of the overall structure of the prior art;
FIG. 2 is a schematic view of the overall counterweight assembly of the present utility model;
FIG. 3 is a schematic view of a turntable according to the present utility model;
FIG. 4 is a schematic view of the structure of the bracket according to the present utility model;
FIG. 5 is a schematic view of a swing assembly according to the present utility model;
FIG. 6 is a schematic view of the counterweight of the present utility model;
fig. 7 is a schematic diagram of the swing principle of the crane in the utility model.
Detailed Description
As shown in fig. 1, the crane in the utility model comprises a frame 7 and a turntable 1 rotatably mounted on the frame 7, wherein one end of the top of the turntable 1 is connected with a suspension arm 8, the other end of the top of the turntable is connected with a counterweight 4, and the tail end of the suspension arm 8 is connected with a hoisting object 6.
As shown in fig. 2 to 7, the position adjusting mechanism 5 is mounted at one end of the crane turntable 1 far away from the boom 8, the position adjusting mechanism 5 comprises a bracket 2 and a swinging component 3, the bracket 2 is mounted at one side of the turntable 1, the swinging component 3 is mounted between the bracket 2 and the turntable 1, one end of the swinging component 3 is connected with the turntable 1, and the other end is connected with the counterweight 4. The swinging assembly 3 comprises a telescopic rod 31 and a swinging rod 32, one end of the telescopic rod 31 is connected with a fixed hinge point 11 on the turntable 1 through a pin shaft, and the other end of the telescopic rod is arranged on the swinging rod 32 through a pin shaft; one end of the swing rod 32 is rotatably connected with the rotary hinge point 21 of the bracket 2, and the other end is connected with the counterweight 4 through the hinge point hole 33. The counterweight 4 includes a lifting rod 41, one end of the lifting rod 41 is connected to the hinge point hole 33 through a rotation shaft 43, and the other end is connected to a counterweight 42; the lift lever 41 is provided with a lock shaft 44 at one end near the rotation shaft 43. The lifting lever 41 may be connected to the first locking hole 22 and the second locking hole 23 on the bracket 2 through the locking shaft 44. In the present embodiment, the support 2 and the swinging member 3 are provided with at least two groups, respectively provided on both sides of the turntable 1. In the present utility model, the holder 2 and the turntable 1 are integrally formed.
The working flow is as follows: the swinging component 3 and the counterweight 4 are placed at the corresponding left side positions, and the locking shaft 44 at the upper end of the lifting rod 41 is inserted into the first locking hole 22, so that the hooking operation of the counterweight 4 at the left side position is completed; the locking shaft 44 at the left side is pulled out, the telescopic rod 31 is extended to drive the swinging rod 32 to swing anticlockwise around the rotary hinge point 21, the swinging component 3 drives the counterweight 4 to move to the right side, the locking shaft 44 is inserted into the second locking hole 23, and the counterweight 4 is at the right side.
Claims (5)
1. A counterweight arrangement for a crane, comprising a counterweight (4); the method is characterized in that: the balancing weight (4) is arranged on a turntable of the crane through a position adjusting mechanism (5); the position adjusting mechanism (5) comprises a swinging assembly (3) for adjusting the position of the balancing weight (4), one end of the swinging assembly (3) is connected with the turntable (1), and the other end of the swinging assembly is connected with the balancing weight (4).
2. The balance weight device of the crane according to claim 1, wherein the swinging component (3) is arranged on one side of the turntable (1) through the bracket (2), the swinging component (3) is arranged between the bracket (2) and the turntable (1), the swinging component (3) comprises a telescopic rod (31) and a swinging rod (32), one end of the telescopic rod (31) is connected with a fixed hinge point (11) on the turntable (1) through a pin shaft, and the other end of the telescopic rod is arranged on the swinging rod (32); one end of the swing rod (32) rotates to be connected with a rotating hinge point (21) of the bracket (2), and the other end of the swing rod is connected with the counterweight (4) through a hinge point hole (33).
3. A counterweight device of a crane according to claim 2, characterized in that the counterweight (4) comprises a lifting rod (41), one end of the lifting rod (41) being connected to the hinge point hole (33) via a rotation shaft (43), the other end being connected to the counterweight (42); one end of the lifting rod (41) close to the rotating shaft (43) is also provided with a locking shaft (44).
4. A counterweight device of a crane according to claim 3, characterized in that the lifting lever (41) is connected to the first locking hole (22) and the second locking hole (23) in the bracket (2) via a locking shaft (44).
5. A counterweight arrangement for a crane according to claim 2, characterized in that the support (2) and the swinging assembly (3) are provided with at least two groups, one on each side of the turntable (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320570456.6U CN219730379U (en) | 2023-03-22 | 2023-03-22 | Balance weight device of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320570456.6U CN219730379U (en) | 2023-03-22 | 2023-03-22 | Balance weight device of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219730379U true CN219730379U (en) | 2023-09-22 |
Family
ID=88064276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320570456.6U Active CN219730379U (en) | 2023-03-22 | 2023-03-22 | Balance weight device of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219730379U (en) |
-
2023
- 2023-03-22 CN CN202320570456.6U patent/CN219730379U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |