CN220412642U - Multi-flap hydraulic grab bucket with hydraulic cylinder protection device - Google Patents
Multi-flap hydraulic grab bucket with hydraulic cylinder protection device Download PDFInfo
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- CN220412642U CN220412642U CN202322300516.5U CN202322300516U CN220412642U CN 220412642 U CN220412642 U CN 220412642U CN 202322300516 U CN202322300516 U CN 202322300516U CN 220412642 U CN220412642 U CN 220412642U
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- connecting shaft
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- 210000000078 claw Anatomy 0.000 claims abstract description 38
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000001012 protector Effects 0.000 claims description 7
- 238000005253 cladding Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model discloses a multi-flap hydraulic grab bucket with a hydraulic cylinder protection device, which comprises: the device comprises a main cylinder body, a plurality of claw petals, a plurality of hydraulic cylinders and a hydraulic cylinder protection device, wherein the main cylinder body is provided with a plurality of first connecting shafts and a plurality of second connecting shafts; each claw is provided with a third connecting shaft and a fourth connecting shaft, the third connecting shaft of each claw is connected with one second connecting shaft in a rotatable manner, and a plurality of claw are connected to one end of the main cylinder body in an annular array with the main cylinder body as the center; one end of each hydraulic cylinder is rotatably connected with the main cylinder body by taking the first connecting shaft as an axis, and the other end of each hydraulic cylinder is rotatably connected with a claw by taking the fourth connecting shaft as an axis; the hydraulic cylinder is connected with a hydraulic cylinder protection device. The hydraulic cylinder protection device is arranged to protect the hydraulic cylinder, so that the hydraulic cylinder is prevented from being blocked due to the fact that some sundries enter hydraulic oil under a severe working environment.
Description
Technical Field
The utility model relates to the technical field of multi-flap hydraulic grab with a hydraulic cylinder protection device, in particular to a multi-flap hydraulic grab with a hydraulic cylinder protection device.
Background
The hydraulic grab bucket is a device for grabbing various bulk materials and is widely applied to operations in occasions such as wharfs, steel plants, electrolytic aluminum plants, garbage incineration power plants, biomass power plants and the like. It can grasp various regular and irregular materials, such as household garbage, scrap steel, pig iron blocks, slag, stones, straw and the like.
The multi-petal hydraulic grab bucket with the hydraulic cylinder protection device consists of a suspension device, a main cylinder body, claw petals, a hydraulic system, a hydraulic cylinder, a transmission shaft and the like. The hydraulic cylinder is a key hydraulic executive component, and the reciprocating motion of a piston rod of the hydraulic cylinder drives the hydraulic grab bucket flap to perform specific circular arc motion around the main shaft.
Because multi-valve hydraulic grab with hydraulic cylinder protection devices is often used in severe working environments, working in such environments can pollute hydraulic oil and further cause blockage of the hydraulic cylinders.
Disclosure of Invention
In view of the above, an object of the present utility model is to provide a multi-flap hydraulic grab including a hydraulic cylinder protector.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a multi-lobed hydraulic grapple with cylinder protection, comprising:
the main cylinder body is provided with a plurality of first connecting shafts and a plurality of second connecting shafts, each first connecting shaft corresponds to one second connecting shaft, and the first connecting shafts and the second connecting shafts are respectively arranged at two ends of the main cylinder body;
each claw is provided with a third connecting shaft and a fourth connecting shaft, the third connecting shaft is arranged at one end of each claw, the fourth connecting shaft is arranged between two ends of each claw, the third connecting shaft of each claw coincides with one second connecting shaft, one end of each claw is rotatably connected with the main cylinder body by taking the third connecting shaft as an axis, and the plurality of claw are annularly connected at one end of the main cylinder body by taking the main cylinder body as a center;
one end of each hydraulic cylinder is rotatably connected with the main cylinder body by taking the first connecting shaft as an axis, and the other end of each hydraulic cylinder is rotatably connected with one claw by taking the fourth connecting shaft as an axis;
the hydraulic cylinder protection device is connected with the hydraulic cylinder, and the hydraulic cylinder protection device semi-surrounds the hydraulic cylinder;
the connecting lines of the first connecting shaft, the second connecting shaft and the fourth connecting shaft form a triangle.
The multi-flap hydraulic grab bucket with the hydraulic cylinder protection device is characterized in that the main cylinder body is connected with a hoisting chain for hanging.
The multi-valve hydraulic grab bucket with the hydraulic cylinder protection device comprises a main cylinder body, wherein a plurality of hydraulic cylinder supporting lugs are arranged on the main cylinder body, a first hydraulic cylinder pin shaft is arranged on each hydraulic cylinder supporting lug, each first connecting shaft is arranged on one first hydraulic cylinder pin shaft, and one end of each hydraulic cylinder is rotatably connected with each hydraulic cylinder supporting lug through the corresponding first hydraulic cylinder pin shaft.
The multi-petal hydraulic grab bucket with the hydraulic cylinder protection device is characterized in that each claw is provided with a second hydraulic cylinder pin shaft, each fourth connecting shaft is arranged on the second hydraulic cylinder pin shaft, and the other end of each hydraulic cylinder is rotatably connected to the claw through one second hydraulic cylinder pin shaft.
The multi-valve hydraulic grab bucket with the hydraulic cylinder protection device comprises a main cylinder body, wherein a plurality of main shaft seats are arranged on the main cylinder body, a main pin shaft is arranged on each main shaft seat, each second connecting shaft and each third connecting shaft are arranged on one main pin shaft, and one end of each claw valve is rotatably connected with the main cylinder body through the main pin shaft.
The multi-valve hydraulic grab with the hydraulic cylinder protection device, wherein the hydraulic cylinder comprises: the piston rod is connected with the cylinder seat, and one of the piston rod and the cylinder seat is rotatably connected with the first connecting shaft; the other of the piston rod and the cylinder block is rotatably connected with the first connecting shaft.
The multi-valve hydraulic grab with the hydraulic cylinder protection device comprises: the protection casing, the protection casing is connected on the piston rod, the protection casing sets up the periphery of jar seat, the protection casing cladding at least a portion of piston rod.
The multi-valve hydraulic grab bucket with the hydraulic cylinder protection device is characterized in that the piston rod and the cylinder seat are respectively provided with a joint bearing, and the piston rod and the cylinder seat are respectively connected with the first connecting shaft or the first connecting shaft in a rotatable mode through the joint bearings.
The multi-valve hydraulic grab with the hydraulic cylinder protection device, wherein the hydraulic cylinder further comprises: the guide plate is arranged between the protective cover and the cylinder seat, the guide plate is arranged along the telescopic direction of the piston rod, the protective cover slides along the extending direction of the guide plate, and the protective cover is connected with the cylinder seat in a sliding manner through the guide plate.
The utility model adopts the technology, so that compared with the prior art, the utility model has the positive effects that:
(1) The hydraulic cylinder protection device is arranged to protect the hydraulic cylinder, and is arranged outside the hydraulic cylinder in a semi-surrounding mode, so that the hydraulic cylinder is prevented from being blocked due to the fact that some sundries enter hydraulic oil in a severe working environment.
Drawings
Fig. 1 is a schematic view showing an opened state of a multi-flap hydraulic grab provided with a hydraulic cylinder protector according to the present utility model.
Fig. 2 is a schematic view of the closed state of the multi-lobe hydraulic grapple with hydraulic cylinder protector of the present utility model.
Fig. 3 is a schematic view of the contracted state of the hydraulic cylinder of the present utility model.
Fig. 4 is a schematic view of the hydraulic cylinder of the present utility model in an extended state.
Fig. 5 is a schematic diagram of a side view of the hydraulic cylinder of the present utility model.
In the accompanying drawings: 1. claw petals; 2. a main cylinder; 3. a hydraulic cylinder; 4. a protective cover; 5. hoisting a chain; 6. a second connecting shaft; 7. a first connecting shaft; 8. a third connecting shaft; 9. a fourth connecting shaft; 10. a hydraulic cylinder support lug; 11. the first hydraulic cylinder pin shaft; 12. a spindle base; 13. a main pin shaft; 14. the second hydraulic cylinder pin shaft; 15. a knuckle bearing; 16. a guide plate; 17. a cylinder base; 18. a piston rod head; 19. a first bolt; 20. a second bolt; 21. and (5) positioning the plate.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and specific examples, but not by way of limitation, and FIG. 1 is a schematic illustration of the open state of a multi-lobe hydraulic grapple with cylinder protector according to the present utility model; FIG. 2 is a schematic illustration of the closed state of a multi-lobe hydraulic grapple with hydraulic cylinder protector of the present utility model; FIG. 3 is a schematic illustration of the contracted state of the hydraulic cylinder of the present utility model; FIG. 4 is a schematic illustration of the extension state of the hydraulic cylinder of the present utility model; fig. 5 is a schematic side view of the hydraulic cylinder of the present utility model, referring to fig. 1 to 5, showing a multi-lobe hydraulic grapple with a hydraulic cylinder protector according to a preferred embodiment, comprising: the hydraulic cylinder comprises a main cylinder body 2, a plurality of claw petals 1, a plurality of hydraulic cylinders 3 and a hydraulic cylinder protection device, wherein the main cylinder body 2 is provided with a plurality of first connecting shafts 7 and a plurality of second connecting shafts 6, each first connecting shaft 7 corresponds to one second connecting shaft 6, and the first connecting shafts 7 and the second connecting shafts 6 are respectively arranged at two ends of the main cylinder body 2; each claw 1 is provided with a third connecting shaft 8 and a fourth connecting shaft 9, the third connecting shaft 8 is arranged at one end of the claw 1, the fourth connecting shaft 9 is arranged between two ends of the claw 1, the third connecting shaft 8 of each claw 1 coincides with one second connecting shaft 6, one end of each claw 1 is rotatably connected with the main cylinder 2 by taking the third connecting shaft 8 as an axis, and a plurality of claw 1 are annularly connected at one end of the main cylinder 2 by taking the main cylinder 2 as a center; one end of each hydraulic cylinder 3 is rotatably connected with the main cylinder body 2 by taking the first connecting shaft 7 as an axis, and the other end of each hydraulic cylinder 3 is rotatably connected with a claw 1 by taking the fourth connecting shaft 9 as an axis; the hydraulic cylinder 3 is connected with a hydraulic cylinder protection device, and the hydraulic cylinder protection device semi-surrounds the hydraulic cylinder 3; wherein the connection lines of the first connecting shaft 7, the second connecting shaft 6 and the fourth connecting shaft 9 form a triangle.
In a preferred embodiment, a hoist chain 5 for suspension is attached to the main cylinder 2.
In a preferred embodiment, the main cylinder body 2 is provided with a plurality of hydraulic cylinder support lugs 10, each hydraulic cylinder support lug 10 is provided with a first hydraulic cylinder pin shaft 11, each first connecting shaft 7 is arranged on one first hydraulic cylinder pin shaft 11, and one end of each hydraulic cylinder 3 is rotatably connected with the hydraulic cylinder support lug 10 through the first hydraulic cylinder pin shaft 11.
In a preferred embodiment, each claw 1 is provided with a second hydraulic cylinder pin 14, each fourth connecting shaft 9 is arranged on the second hydraulic cylinder pin 14, and the other end of each hydraulic cylinder 3 is rotatably connected to the claw 1 through one second hydraulic cylinder pin 14.
In a preferred embodiment, the main cylinder 2 is provided with a plurality of main shaft seats 12, each main shaft seat 12 is provided with a main pin shaft 13, each second connecting shaft 6 and each third connecting shaft 8 are arranged on one main pin shaft 13, and one end of each claw 1 is rotatably connected with the main cylinder 2 through the main pin shaft 13.
The foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the embodiments and the protection scope of the present utility model.
The present utility model has the following embodiments based on the above description:
in a further embodiment of the utility model, the hydraulic cylinder 3 comprises: a piston rod and a cylinder block 17, the piston rod and the cylinder block 17 are connected, and one of the piston rod and the cylinder block 17 is rotatably connected with the first connecting shaft 7; the other of the piston rod and the cylinder block 17 is rotatably connected to the first connecting shaft 7.
In a further embodiment of the utility model, a hydraulic cylinder protection device includes: the protection casing 4, protection casing 4 are connected on the piston rod, and protection casing 4 sets up in the periphery of jar seat 17, and protection casing 4 cladding piston rod's at least a portion.
In a further embodiment of the utility model, the piston rod and the cylinder block 17 are provided with a joint bearing 15, and the piston rod and the cylinder block 17 are rotatably connected with the first connecting shaft 7 or the first connecting shaft 7 through the joint bearing 15.
In a further embodiment of the utility model, the hydraulic cylinder 3 further comprises: the guide plate 16, the guide plate 16 is located between protection casing 4 and the jar seat 17, and the guide plate 16 sets up along the direction that the piston rod stretches out and draws back, and protection casing 4 slides along the direction that guide plate 16 extends, and protection casing 4 is connected with jar seat 17 slidable through guide plate 16.
In a preferred embodiment, the guide plate 16 has an arc, and the guide plate 16 is disposed outside the cylinder block 17.
In a preferred embodiment, the hydraulic cylinder 3 further comprises: the piston rod head 18 and the cylinder seat 17, the piston rod head 18 and the cylinder seat 17 are respectively connected to the piston rod and the cylinder seat 17, and the knuckle bearing 15 is installed in the piston rod head 18 and the cylinder seat 17.
Further, the rod head 18 and the rod are connected by a positioning plate 21, as shown in fig. 3, a first bolt 19 connects the positioning plate 21 and the rod head 18 in a direction perpendicular to fig. 3, and a second bolt 20 connects the positioning plate 21 and the rod head 18 in a top-down direction in fig. 3.
In a preferred embodiment, the guide plate 16 and the positioning plate 21 are fixed to the shield 4 by welding.
In a preferred embodiment, the device has the advantages of simple structure, convenient operation, firmness, durability, wear resistance, high strength, corrosion resistance, longer service life, time and labor saving improvement of production efficiency and reduction of maintenance cost.
In a preferred embodiment, the protection cover 4 of the device is arranged at the extending part of the piston rod of the hydraulic cylinder 3, so that sundries such as garbage can be effectively prevented from falling from the upper part, damaging the piston rod of the hydraulic cylinder 3 and entering the hydraulic cylinder 3.
In a preferred embodiment, the shield 4 reciprocates with the piston rod.
The foregoing is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the embodiments and scope of the present utility model, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included in the scope of the present utility model.
Claims (9)
1. A multi-piece hydraulic grapple with hydraulic cylinder protection device, comprising:
the main cylinder body is provided with a plurality of first connecting shafts and a plurality of second connecting shafts, each first connecting shaft corresponds to one second connecting shaft, and the first connecting shafts and the second connecting shafts are respectively arranged at two ends of the main cylinder body;
each claw is provided with a third connecting shaft and a fourth connecting shaft, the third connecting shaft is arranged at one end of each claw, the fourth connecting shaft is arranged between two ends of each claw, the third connecting shaft of each claw coincides with one second connecting shaft, one end of each claw is rotatably connected with the main cylinder body by taking the third connecting shaft as an axis, and the plurality of claw are annularly connected at one end of the main cylinder body by taking the main cylinder body as a center;
one end of each hydraulic cylinder is rotatably connected with the main cylinder body by taking the first connecting shaft as an axis, and the other end of each hydraulic cylinder is rotatably connected with one claw by taking the fourth connecting shaft as an axis;
the hydraulic cylinder protection device is connected with the hydraulic cylinder, and the hydraulic cylinder protection device semi-surrounds the hydraulic cylinder;
the connecting lines of the first connecting shaft, the second connecting shaft and the fourth connecting shaft form a triangle.
2. The multi-piece hydraulic grab with hydraulic cylinder protection device according to claim 1, wherein a hoist chain for suspension is connected to the main cylinder body.
3. The multi-piece hydraulic grab with the hydraulic cylinder protection device according to claim 1, wherein a plurality of hydraulic cylinder support lugs are arranged on the main cylinder body, a first hydraulic cylinder pin shaft is arranged on each hydraulic cylinder support lug, each first connecting shaft is arranged on one first hydraulic cylinder pin shaft, and one end of each hydraulic cylinder is rotatably connected with each hydraulic cylinder support lug through the first hydraulic cylinder pin shaft.
4. The multi-piece hydraulic grab with a hydraulic cylinder protection device according to claim 1, wherein each claw is provided with a second hydraulic cylinder pin, each fourth connecting shaft is arranged on the second hydraulic cylinder pin, and the other end of each hydraulic cylinder is rotatably connected to the claw through one second hydraulic cylinder pin.
5. The multi-piece hydraulic grab with the hydraulic cylinder protection device according to claim 1, wherein a plurality of main shaft seats are arranged on the main cylinder body, a main pin shaft is arranged on each main shaft seat, each second connecting shaft and each third connecting shaft are arranged on one main pin shaft, and one end of each claw piece is rotatably connected with the main cylinder body through the main pin shaft.
6. The multi-piece hydraulic grab with hydraulic cylinder protection device according to any of claims 1-5, wherein the hydraulic cylinder includes: the piston rod is connected with the cylinder seat, and one of the piston rod and the cylinder seat is rotatably connected with the first connecting shaft; the other of the piston rod and the cylinder block is rotatably connected with the first connecting shaft.
7. The multi-piece hydraulic grab with hydraulic cylinder protection device of claim 6, wherein the hydraulic cylinder protection device comprises: the protection casing, the protection casing is connected on the piston rod, the protection casing sets up the periphery of jar seat, the protection casing cladding at least a portion of piston rod.
8. The multi-piece hydraulic grab with a hydraulic cylinder protector according to claim 6, wherein the piston rod and the cylinder block are each provided with a knuckle bearing, and the piston rod and the cylinder block are each rotatably connected to the first connecting shaft or the first connecting shaft through the knuckle bearing.
9. The multi-piece hydraulic grab with hydraulic cylinder protection device of claim 7, wherein the hydraulic cylinder further comprises: the guide plate is arranged between the protective cover and the cylinder seat, the guide plate is arranged along the telescopic direction of the piston rod, the protective cover slides along the extending direction of the guide plate, and the protective cover is connected with the cylinder seat in a sliding manner through the guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322300516.5U CN220412642U (en) | 2023-08-25 | 2023-08-25 | Multi-flap hydraulic grab bucket with hydraulic cylinder protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322300516.5U CN220412642U (en) | 2023-08-25 | 2023-08-25 | Multi-flap hydraulic grab bucket with hydraulic cylinder protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220412642U true CN220412642U (en) | 2024-01-30 |
Family
ID=89645626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322300516.5U Active CN220412642U (en) | 2023-08-25 | 2023-08-25 | Multi-flap hydraulic grab bucket with hydraulic cylinder protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220412642U (en) |
-
2023
- 2023-08-25 CN CN202322300516.5U patent/CN220412642U/en active Active
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