CN219033365U - Pulley lifting mechanism of rotary excavating and material taking loader - Google Patents
Pulley lifting mechanism of rotary excavating and material taking loader Download PDFInfo
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- CN219033365U CN219033365U CN202320020597.0U CN202320020597U CN219033365U CN 219033365 U CN219033365 U CN 219033365U CN 202320020597 U CN202320020597 U CN 202320020597U CN 219033365 U CN219033365 U CN 219033365U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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- Y02W30/56—Reuse, recycling or recovery technologies of vehicles
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Abstract
A pulley lifting mechanism of a rotary excavating and material taking loader belongs to the technical field of engineering equipment. The first connecting piece is of a double-U-shaped structure, one end of the first connecting piece is vertically connected with the main frame of the vehicle body through a pin shaft, the bottom of the first connecting piece is fixed through a nut, and the other end of the first connecting piece is coaxially and transversely connected with the pulley lifting mechanism main body and the cylinder body end of the telescopic cylinder and is fixed through the nut; the pulley lifting mechanism is characterized in that a telescopic oil cylinder is arranged in the pulley lifting mechanism body, a telescopic rod of the telescopic oil cylinder is connected with one end of a steel wire rope fixed connecting piece through a pin shaft, wedge blocks are connected to two sides of the other end of the steel wire rope fixed connecting piece through pin shafts, one ends of two steel wires respectively penetrate through the wedge blocks and are fixedly connected with the pin shafts on the wedge blocks, and the other ends of the two steel wires pass through pulleys on two sides and are fixed on a telescopic large arm through steel wire rope clamps. According to the utility model, the telescopic large arm can move up and down through the telescopic of the telescopic oil cylinder, so that the stability is good, the problem of unstable direction of the stress of the oil cylinder is solved, and the service life of the oil cylinder is effectively ensured compared with the structure mode that the oil cylinder directly pushes and pulls the steel wire rope.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a pulley lifting mechanism for a rotary excavating, fetching and loading machine.
Background
The large-scale grit stock ground of present stage digs and gets windrow all adopts continuous efficient handling equipment basically, and the traditional hoisting device that handling equipment used has two kinds mostly: the telescopic rod of the oil cylinder is retracted and contracted, the conveying frame is lifted, the telescopic rod is stretched, the conveying frame is lowered, the structure is simple, the moment is small, the oil cylinder is easy to damage, a great potential safety hazard exists, and the problem can be solved only by increasing the type of the oil cylinder, so that the cost can be greatly increased; one end of the main support is fixed on the main frame of the car body through a pin shaft, the other end of the main support is provided with a movable joint structure, one end of the joint shaft is fixed with the main support through a pin shaft, the other end of the joint shaft is rotationally connected with the main support, the other end of the joint shaft is fixed on the conveying frame through a pin shaft, the two sides of the conveying frame are rotationally connected with each other, the fixed ends of the telescopic oil cylinders are fixed on the conveying frame through pin shafts, the telescopic shaft ends are fixed at the joint positions of the joint shaft and the main support through pin shafts, the oil cylinders are respectively arranged on the two sides of the conveying frame and symmetrically installed, the telescopic shaft of the oil cylinder extends out, and the joint positions of the main support are bent, so that the lifting of the conveying frame is realized; the telescopic shaft of the oil cylinder is retracted, the main support and the joint shaft are in parallel, and the conveying frame is lowered; the structure is too heavy, affects the whole quality of equipment, has high manufacturing cost and has certain safety risk.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a pulley lifting mechanism of a rotary excavating and fetching loader, so as to stably control the lifting of a telescopic boom.
In order to achieve the aim of the utility model, the first connecting piece is of a double U-shaped structure, one end of the first connecting piece is vertically connected with the main frame of the car body through a pin shaft, the bottom of the first connecting piece is fixed by a nut, and the other end of the first connecting piece is coaxially and transversely connected with the pulley lifting mechanism main body and the cylinder body end of the telescopic cylinder and is fixed through the nut; the inside of the pulley lifting mechanism main body is provided with a telescopic oil cylinder, a telescopic rod of the telescopic oil cylinder is connected with one end of a steel wire rope fixed connecting piece through a pin shaft, two sides of the other end of the steel wire rope fixed connecting piece are connected with wedge blocks through pin shafts, one ends of two steel wire ropes respectively penetrate through the wedge blocks and are fixedly connected with the pin shafts on the wedge blocks, and the other ends of the two steel wire ropes bypass the pulleys on two sides and are fixed on a telescopic large arm through steel wire rope clamps.
Further, the pulley hoisting mechanism main body is of a diamond box structure and is formed by welding an upper plate, a lower plate and a supporting plate, and the supporting plate for enhancing the structural strength of the pulley hoisting mechanism main body is arranged between the upper plate and the lower plate.
Further, pulleys are arranged on two sides of the diamond-shaped structure of the pulley lifting mechanism main body, a second connecting piece is welded at the middle position of the rear ends of the upper plate and the lower plate, a guide groove is formed in the front end of the connecting piece, a guide shaft is arranged at the rear end of the steel wire rope fixing connecting piece, and the guide shaft is in sliding connection with the guide groove; the second connecting pieces are symmetrically fixed at the middle positions of the rear ends of the upper plate and the lower plate, one end of each connecting piece is provided with a pin hole, and the other end of each connecting piece is welded and fixed with the upper plate and the lower plate through a fork-shaped structure.
Further, the number of the wedge-shaped blocks is two, one end of the inner side of the wedge-shaped blocks is respectively connected with the steel wire rope fixed connecting piece through a pin shaft, and the other end of the wedge-shaped blocks is respectively connected with pulleys on two sides of the pulley lifting mechanism main body through steel wires.
Compared with the prior art, the telescopic rod of the telescopic oil cylinder stretches out, and the telescopic large arm rises under the action of the steel wire rope of the pulley lifting mechanism; the telescopic rod of the telescopic oil cylinder is retracted, the telescopic large arm is lowered under the action of the steel wire rope, the telescopic large arm can realize up-and-down lifting action through the pulley lifting mechanism, and compared with a structural mode that the oil cylinder directly pushes and pulls the steel wire rope, the telescopic oil cylinder is good in stability, the problem that the direction of the stress of the oil cylinder is unstable is solved, the service life of the oil cylinder is effectively guaranteed, and the telescopic oil cylinder is applicable to other engineering equipment and equipment with related lifting actions.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic structural view of the pulley lifting mechanism of fig. 1.
Fig. 3 is a schematic view of the internal mechanism of the pulley lifting mechanism body of fig. 2.
In the figure: 1. a first connecting piece; 2. a pulley lifting mechanism body; 2-1, a telescopic oil cylinder; 2-2, fixing a connecting piece by a steel wire rope; 2-3, wedge blocks; 2-4, pulleys; 2-5, a guide shaft; 2-6, a supporting plate; 2-7, upper plate; 2-8, lower plate; 2-9, a second connecting piece; 2-10, a guide groove; 2-11, pin shafts; 3. a wire rope; 4. a telescopic boom; 5. and a main frame of the car body.
Detailed Description
As shown in fig. 1, 2 and 3, a first connecting piece 1 of the utility model is of a double-U-shaped structure, one end of the first connecting piece is vertically connected with a main frame 5 of a vehicle body through a pin shaft, the bottom of the first connecting piece is locked and fixed by a round nut so as to prevent loosening, the other end of the first connecting piece is coaxially and transversely connected with a pulley lifting mechanism main body 2 and a cylinder body end of a telescopic cylinder 2-1, and the bottom of the first connecting piece is locked and fixed by the round nut so as to prevent loosening; the pulley lifting mechanism main body 2 is of a diamond box structure and is formed by welding an upper plate 2-7, a lower plate 2-8 and a supporting plate 2-6, wherein the supporting plate 2-6 is arranged between the upper plate 2-7 and the lower plate 2-8 and is used for enhancing the structural strength of the pulley lifting mechanism main body 2, a connecting piece II 2-9 is welded at the middle position of the rear ends of the upper plate 2-7 and the lower plate 2-8, a guide groove 2-10 is arranged at the front end of the connecting piece 2-2, a guide shaft 2-5 is arranged at the front end of the steel wire rope fixed connecting piece 2-2, and the guide shaft 2-5 is in sliding connection with the guide groove 2-10; the two connecting pieces 2-9 are symmetrically fixed at the middle positions of the rear ends of the upper plate 2-7 and the lower plate 2-8, one end of each connecting piece is provided with a pin hole, and the other end of each connecting piece is welded and fixed with the upper plate 2-7 and the lower plate 2-8 through a fork structure; the pulley lifting mechanism comprises a pulley lifting mechanism body 2, a telescopic oil cylinder 2-1, a telescopic rod of the telescopic oil cylinder 2-1 and one end of a steel wire rope fixed connecting piece 2-2 are connected through a pin shaft, two wedge-shaped blocks 2-3 are connected to two sides of the other end of the steel wire rope fixed connecting piece 2-2 through pin shafts 2-11, one inner side of each two wedge-shaped blocks 2-3 is respectively connected with the steel wire rope fixed connecting piece 2-2 through a pin shaft, the other end of each wedge-shaped block is respectively connected with pulleys 2-4 on two sides of the pulley lifting mechanism body 2 through a steel wire rope 3, and the bottom of each pin shaft is locked through round nuts so as to prevent the pulleys 2-4 from loosening; one end of each of the two steel wire ropes 3 respectively passes through the wedge-shaped block 2-3 to be connected and fixed with the pin shaft 2-11 on the wedge-shaped block 2-3, and the other end of each of the two steel wire ropes bypasses the pulleys 2-4 on the two sides and is clamped and fixed in the mounting hole of the telescopic large arm 4 through the steel wire ropes.
When the telescopic rod of the telescopic oil cylinder 2-1 stretches out, the steel wire rope fixed connecting piece 2-2 is pushed to move forwards along the guide groove 2-10 of the pulley lifting mechanism main body 2, and the tail end of the telescopic large arm 4 is driven to ascend under the interaction of the steel wire rope 3 and the pulley 2-4; when the telescopic rod of the telescopic oil cylinder 2-1 is retracted, the steel wire rope fixed connecting piece 2-2 moves backwards along the guide groove 2-10 of the pulley lifting mechanism main body 2 under the action of the telescopic oil cylinder 2-1, and the tail end of the telescopic large arm 4 is driven to descend under the interaction of the steel wire rope 3 and the pulley 2-4, and the telescopic large arm 4 can move up and down through the telescopic action of the telescopic oil cylinder 2-1. In the process of driving the telescopic boom 4 to lift, the pulley lifting mechanism 2 forces the thrust of the telescopic cylinder 2-1 to change direction through the action of the pulleys 2-4 at the two sides, so that the telescopic cylinder 2-1 can fully play the role of the telescopic cylinder, and the service life of equipment is effectively ensured.
Claims (4)
1. The utility model provides a dig soon and get material loader pulley hoisting mechanism which characterized in that: one end of the first connecting piece (1) is vertically connected with the main frame (5) of the car body through a pin shaft, the bottom of the first connecting piece is fixed by a nut, and the other end of the first connecting piece is coaxially and transversely connected with the pulley lifting mechanism main body (2) and the cylinder body end of the telescopic cylinder (2-1) and is fixed through the nut; the pulley lifting mechanism comprises a pulley lifting mechanism body (2), a telescopic oil cylinder (2-1) is arranged in the pulley lifting mechanism body (2), a telescopic rod of the telescopic oil cylinder (2-1) is connected with one end of a steel wire rope fixed connecting piece (2-2) through a pin shaft, two sides of the other end of the steel wire rope fixed connecting piece (2-2) are connected with wedge blocks (2-3) through pin shafts (2-11), one ends of two steel wire ropes (3) respectively penetrate through the wedge blocks (2-3) and are connected and fixed with the pin shafts (2-11) on the wedge blocks (2-3), and the other ends of the two steel wire ropes bypass two side pulleys (2-4) and are fixed on a telescopic large arm (4) through steel wire rope clamps.
2. The rotary pick loader pulley lift mechanism of claim 1 wherein: the pulley lifting mechanism main body (2) is of a diamond box structure and is formed by welding an upper plate (2-7), a lower plate (2-8) and a supporting plate (2-6), and the supporting plate (2-6) for enhancing the structural strength of the pulley lifting mechanism main body (2) is arranged between the upper plate (2-7) and the lower plate (2-8).
3. The rotary pick loader pulley lift mechanism of claim 1 wherein: pulleys (2-4) are arranged on two sides of the diamond-shaped structure of the pulley lifting mechanism main body (2), a second connecting piece (2-9) is welded at the middle position of the rear ends of the upper plate (2-7) and the lower plate (2-8), a guide groove (2-10) is formed in the front end of the pulley lifting mechanism main body, a guide shaft (2-5) is arranged at the front end of the steel wire rope fixed connecting piece (2-2), and the guide shaft (2-5) is in sliding connection with the guide groove; the two connecting pieces (2-9) are symmetrically fixed at the middle positions of the rear ends of the upper plate (2-7) and the lower plate (2-8), one end of each connecting piece is provided with a pin hole, and the other end of each connecting piece is welded and fixed with the upper plate (2-7) and the lower plate (2-8) through a fork structure.
4. The rotary pick loader pulley lift mechanism of claim 1 wherein: the two wedge-shaped blocks (2-3) are arranged, one end of the inner side of each wedge-shaped block is connected with the steel wire rope fixed connecting piece (2-2) through the pin shaft (2-11), and the other end of each wedge-shaped block is connected with pulleys (2-4) on two sides of the pulley lifting mechanism main body (2) through the steel wire rope (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320020597.0U CN219033365U (en) | 2023-01-05 | 2023-01-05 | Pulley lifting mechanism of rotary excavating and material taking loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320020597.0U CN219033365U (en) | 2023-01-05 | 2023-01-05 | Pulley lifting mechanism of rotary excavating and material taking loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219033365U true CN219033365U (en) | 2023-05-16 |
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ID=86278079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320020597.0U Active CN219033365U (en) | 2023-01-05 | 2023-01-05 | Pulley lifting mechanism of rotary excavating and material taking loader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219033365U (en) |
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2023
- 2023-01-05 CN CN202320020597.0U patent/CN219033365U/en active Active
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