CN211846882U - Grab bucket type balance crane - Google Patents
Grab bucket type balance crane Download PDFInfo
- Publication number
- CN211846882U CN211846882U CN202020330732.8U CN202020330732U CN211846882U CN 211846882 U CN211846882 U CN 211846882U CN 202020330732 U CN202020330732 U CN 202020330732U CN 211846882 U CN211846882 U CN 211846882U
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- grab bucket
- hinged
- rod
- rotating shaft
- telescopic rod
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Abstract
The utility model discloses a grab bucket type balance crane, which comprises a base, a second hydraulic telescopic rod, a first hydraulic telescopic rod and a grab bucket, wherein a support rod is fixedly arranged at the top of the base, a rotating platform is rotatably arranged at the top end of the support rod through a rotating bearing, the top end of the rotating platform is hinged with one side of a main support arm through a rotating shaft, the second hydraulic telescopic rod is used for driving a hydraulic rod to contract, so that one end of the main support arm, which is far away from the rotating platform, moves downwards, the first hydraulic telescopic rod is further used for driving the hydraulic rod to extend, so that the connecting rod pushes an auxiliary support arm to rotate, so that the grab bucket further moves downwards to be in contact with materials, the third hydraulic telescopic rod and the fourth hydraulic telescopic rod are further used for respectively driving the hydraulic rod to contract, so that the left grab bucket and the right grab bucket relatively rotate to be closed, thereby realizing the grabbing of the materials, the utility model, the reliability is strong, and the dead weight is lower, and the adaptability is wide.
Description
Technical Field
The utility model relates to a hoist specifically is a balanced hoist of grab bucket type.
Background
The crane is a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range, and the crane has the working characteristic of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, so that the crane is more and more widely developed and used in the market.
Most of the existing balance cranes adopt a steel wire rope as a transmission medium, the steel wire rope is easy to wear and break after being used for a long time, the service life is short, and the reliability is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a balanced hoist of grab bucket type 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:
a grab bucket type balance crane comprises a base, wherein a supporting rod is fixedly installed at the top of the base, a rotating platform is installed at the top end of the supporting rod through a rotary bearing in a rotating mode, the top end of the rotating platform is hinged to one side of a main supporting arm through a rotating shaft, one end, far away from the rotating platform, of the main supporting arm is hinged to one side of an auxiliary supporting arm through the rotating shaft, the other end of the main supporting arm is hinged to one side of a balancing weight through the rotating shaft, the other side of the balancing weight is hinged to one end of a connecting rod through the rotating shaft, the other end of the connecting rod is hinged to one end of the auxiliary supporting arm through the rotating shaft, a grab bucket is arranged at the other end of the auxiliary supporting arm, the rotating platform is hinged to one end of a second hydraulic telescopic rod through the rotating shaft, the end of the second hydraulic telescopic rod is hinged to, the end part of the hydraulic rod of the first hydraulic telescopic rod is hinged with one side of the balancing weight through a rotating shaft.
As a further aspect of the present invention: the grab bucket comprises a fixed table, a right grab bucket, a left grab bucket and a fixed rod, the top end of the fixed rod is hinged with the free end of the auxiliary supporting arm through a rotating shaft, the fixed table is fixedly mounted at the bottom end of the fixed rod, and the right grab bucket and the left grab bucket are symmetrically arranged on two sides of the fixed table.
As a further aspect of the present invention: the right grab bucket is hinged with one side of the fixed station through a rotating shaft, and the left grab bucket is hinged with the other side of the fixed station through a rotating shaft.
As a further aspect of the present invention: and a third hydraulic telescopic rod and a fourth hydraulic telescopic rod are symmetrically arranged on the fixed platform and on two sides adjacent to the right grab bucket and the left grab bucket.
As a further aspect of the present invention: one end of the third hydraulic telescopic rod is hinged to one side of the fixed platform through a rotating shaft, the end part of the hydraulic rod of the third hydraulic telescopic rod is hinged to one side of the left grab bucket through a rotating shaft, one end of the fourth hydraulic telescopic rod is hinged to one side of the fixed platform through a rotating shaft, and the end part of the hydraulic rod of the fourth hydraulic telescopic rod is hinged to one side of the right grab bucket through a rotating shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the hydraulic rod is driven to contract by the second hydraulic telescopic rod, so that one end, far away from the rotating table, of the main support arm moves downwards, the first hydraulic telescopic rod is further used for driving the hydraulic rod to extend, the connecting rod is further used for pushing the auxiliary support arm to rotate, the grab bucket further moves downwards to be in contact with the material, the third hydraulic telescopic rod and the fourth hydraulic telescopic rod are further used for respectively driving the hydraulic rod to contract, and the left grab bucket and the right grab bucket are correspondingly rotated to be closed, so that the material is grabbed, and the operation is simple;
2. the utility model discloses a connecting rod, main tributary brace arm and the transmission of vice support arm, it is not fragile, the reliability is stronger, and the dead weight is lower, and adaptability is wide.
Drawings
Fig. 1 is a schematic structural view of a grab type balance crane.
Fig. 2 is a schematic structural diagram of a grab bucket in a grab bucket type balance crane.
Shown in the figure: balancing weight 1, first hydraulic telescoping rod 2, revolving stage 3, connecting rod 4, main support arm 5, vice support arm 6, grab bucket 7, second hydraulic telescoping rod 8, bracing piece 9, base 10, fixed station 11, right side grab bucket 12, third hydraulic telescoping rod 13, fourth hydraulic telescoping rod 14, left side grab bucket 15 and dead lever 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, in an embodiment of the present invention, a grab bucket type balance crane includes a counterweight 1, a first hydraulic telescopic rod 2, a rotating table 3, a connecting rod 4, a main supporting arm 5, an auxiliary supporting arm 6, a grab bucket 7, a second hydraulic telescopic rod 8, a supporting rod 9, a base 10, a fixing table 11, a right grab bucket 12, a third hydraulic telescopic rod 13, a fourth hydraulic telescopic rod 14, a left grab bucket 15 and a fixing rod 16, wherein the supporting rod 9 is fixedly installed on the top of the base 10, the rotating table 3 is rotatably installed on the top end of the supporting rod 9 through a rotary bearing, the top end of the rotating table 3 is hinged to one side of the main supporting arm 5 through a rotating shaft, one end of the main supporting arm 5, which is far away from the rotating table 3, is hinged to one side of the auxiliary supporting arm 6 through a rotating shaft, the other end of the main supporting arm 5 is hinged to one side of the counterweight 1 through a rotating, the other end of the connecting rod 4 is hinged with one end of the auxiliary supporting arm 6 through a rotating shaft, the other end of the auxiliary supporting arm 6 is provided with a grab bucket 7, the rotating table 3 is hinged with one end of a second hydraulic telescopic rod 8 through a rotating shaft, the end part of a hydraulic rod of the second hydraulic telescopic rod 8 is hinged with one side of the main supporting arm 5 through a rotating shaft, one side of the main supporting arm 5 is hinged with one end of a first hydraulic telescopic rod 2 through a rotating shaft, the end part of the hydraulic rod of the first hydraulic telescopic rod 2 is hinged with one side of the counterweight block 1 through a rotating shaft, the grab bucket 7 comprises a fixed table 11, a right grab bucket 12, a third hydraulic telescopic rod 13, a fourth hydraulic telescopic rod 14, a left grab bucket 15 and a fixed rod 16, the top end of the fixed rod 16 is hinged with the free end of the auxiliary supporting arm 6 through a rotating shaft, the bottom end of the fixed rod 16 is fixedly provided with the fixed table, the right side grab bucket 12 is articulated with 11 one sides of fixed station through the pivot, and left side grab bucket 15 is articulated with 11 opposite sides of fixed station through the pivot, the adjacent bilateral symmetry of fixed station 11 and right side grab bucket 12 and left side grab bucket 15 is provided with third hydraulic telescoping rod 13 and fourth hydraulic telescoping rod 14, the one end of third hydraulic telescoping rod 13 is articulated with 11 one sides of fixed station through the pivot, and the hydraulic stem tip of third hydraulic telescoping rod 13 is articulated with 15 one sides of left side grab bucket through the pivot, the one end of fourth hydraulic telescoping rod 14 is articulated with 11 one sides of fixed station through the pivot, and the hydraulic stem tip of fourth hydraulic telescoping rod 14 is articulated with 12 one sides of right side grab bucket through the pivot.
The utility model discloses a theory of operation is:
when needs snatch the material, utilize 8 drive hydraulic stem contractions of second hydraulic telescoping rod, thereby make main tributary brace 5 keep away from the one end downstream of revolving stage 3, further utilize 2 drive hydraulic stem extensions of first hydraulic telescoping rod, thereby make connecting rod 14 promote the rotation of auxiliary brace arm 6, thereby further make 7 downstream of grab bucket move to with the material contact, further utilize third hydraulic telescoping rod 13 and fourth hydraulic telescoping rod 14 to drive the hydraulic stem contraction respectively, thereby make left side grab bucket 15 and right side grab bucket 12 rotate relatively to the closure, thereby realize snatching the material, the utility model is simple in operation, the reliability is stronger, and the dead weight is lower, and adaptability is wide.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. A balance crane of the grab type, comprising a base (10), characterized in that: the top of the base (10) is fixedly provided with a supporting rod (9), the top end of the supporting rod (9) is provided with a rotating platform (3) through a rotating bearing in a rotating way, the top end of the rotating platform (3) is hinged with one side of a main support arm (5) through a rotating shaft, one end, away from the rotating platform (3), of the main support arm (5) is hinged with one side of an auxiliary support arm (6) through a rotating shaft, the other end of the main support arm (5) is hinged with one side of a balancing weight (1) through a rotating shaft, the other side of the balancing weight (1) is hinged with one end of a connecting rod (4) through a rotating shaft, the other end of the connecting rod (4) is hinged with one end of the auxiliary support arm (6) through a rotating shaft, the other end of the rotating platform (3) is hinged with one end of a second hydraulic telescopic rod (8) through a rotating shaft, the end part of the second hydraulic telescopic rod (8) is hinged with one side, one side of the main supporting arm (5) is hinged to one end of the first hydraulic telescopic rod (2) through a rotating shaft, and the end part of the hydraulic rod of the first hydraulic telescopic rod (2) is hinged to one side of the balancing weight (1) through a rotating shaft.
2. A balance crane of the grab type according to claim 1, characterized in that: grab bucket (7) are including fixed station (11), right side grab bucket (12), left side grab bucket (15) and dead lever (16), the dead lever (16) top is articulated through the free end of pivot with vice support arm (6), and dead lever (16) bottom fixed mounting has fixed station (11), fixed station (11) bilateral symmetry is provided with right side grab bucket (12) and left side grab bucket (15).
3. A balance crane of the grab type according to claim 2, characterized in that: the right grab bucket (12) is hinged with one side of the fixed platform (11) through a rotating shaft, and the left grab bucket (15) is hinged with the other side of the fixed platform (11) through a rotating shaft.
4. A balance crane of the grab type according to claim 2, characterized in that: and a third hydraulic telescopic rod (13) and a fourth hydraulic telescopic rod (14) are symmetrically arranged on two adjacent sides of the fixed platform (11) and the right grab bucket (12) and the left grab bucket (15).
5. The grab-type counterbalancing crane of claim 4, wherein: one end of the third hydraulic telescopic rod (13) is hinged to one side of the fixed platform (11) through a rotating shaft, the end part of a hydraulic rod of the third hydraulic telescopic rod (13) is hinged to one side of the left grab bucket (15) through a rotating shaft, one end of the fourth hydraulic telescopic rod (14) is hinged to one side of the fixed platform (11) through a rotating shaft, and the end part of the hydraulic rod of the fourth hydraulic telescopic rod (14) is hinged to one side of the right grab bucket (12) through a rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020330732.8U CN211846882U (en) | 2020-03-17 | 2020-03-17 | Grab bucket type balance crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020330732.8U CN211846882U (en) | 2020-03-17 | 2020-03-17 | Grab bucket type balance crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211846882U true CN211846882U (en) | 2020-11-03 |
Family
ID=73135158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020330732.8U Active CN211846882U (en) | 2020-03-17 | 2020-03-17 | Grab bucket type balance crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211846882U (en) |
-
2020
- 2020-03-17 CN CN202020330732.8U patent/CN211846882U/en active Active
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