CN219567315U - Anti-rotation grabbing device - Google Patents
Anti-rotation grabbing device Download PDFInfo
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- CN219567315U CN219567315U CN202223578246.6U CN202223578246U CN219567315U CN 219567315 U CN219567315 U CN 219567315U CN 202223578246 U CN202223578246 U CN 202223578246U CN 219567315 U CN219567315 U CN 219567315U
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- bucket
- pulley block
- lifting
- closing
- bucket body
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Abstract
The utility model provides an anti-rotation grabbing device, which relates to the technical field of grab buckets and comprises: the lifting beam balance structure comprises a lifting beam and a lock structure; the upper bearing beam structure comprises an upper bearing beam, a guide wheel set and an upper pulley block, wherein the guide wheel set and the upper pulley block are arranged on the upper bearing beam, and the upper bearing beam is connected with the lifting beam through a lifting lug structure; the grab bucket structure comprises a lower bolster, two bucket bodies hinged on the lower bolster and a lower pulley block arranged on the lower bolster, wherein the bucket bodies are arranged in a streamline shape; the pull rod structure is hinged between the bucket body and the upper bolster; and the opening and closing inhaul cable is connected with the upper pulley block and the lower pulley block through the guide pulley group. According to the utility model, rotational flow impact on the grab bucket structure can be reduced through the streamline bucket body, so that the rotating force of water flow on the grab bucket structure is effectively reduced, and the problem that a support stay rope and an opening and closing stay rope are stranded due to rotation of the grab bucket structure is avoided.
Description
Technical Field
The utility model relates to the technical field of grab buckets, in particular to an anti-rotation grabbing device.
Background
In steel rolling and continuous casting plants in steel works, a cyclone basin is often used, waste water containing iron oxide scales generated in the production process flows into a central cylinder in a tangential direction by gravity flow, and the iron oxide scales fall along with the cyclone flow of the water flow and finally are deposited to the bottom of the cyclone basin. The grab bucket matched with the crane can extend from the central cylinder to the bottom of the cyclone pool for slag grabbing operation. However, the grab bucket in the prior art is easy to rotate due to the impact of rotating water flow when passing through the water surface of the central cylinder, so that a steel wire rope connected with the grab bucket is stranded.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, the technical problem to be solved by the embodiments of the present utility model is to provide an anti-rotation grabbing device, which is used for solving the problem that the grab bucket rotates due to the impact of water flow.
The above object of the present utility model can be achieved by the following technical solutions, and the present utility model provides an anti-rotation gripping device, including:
the lifting beam balance structure comprises a lifting beam and a lock structure arranged at the upper part of the lifting beam, and the lifting beam is connected with a support inhaul cable through the lock structure;
the upper bearing beam structure comprises an upper bearing beam, a guide wheel set and an upper pulley block, wherein the guide wheel set and the upper pulley block are arranged on the upper bearing beam, a lifting lug structure is arranged at the lower part of the upper bearing beam, and the upper bearing beam is connected with the lifting beam through the lifting lug structure;
the grab bucket structure comprises a lower spandrel girder, two bucket bodies hinged to the lower spandrel girder and a lower pulley block arranged on the lower spandrel girder, wherein the bucket bodies are arranged in a streamline shape;
the pull rod structure is hinged between the bucket body and the upper bolster;
the opening and closing inhaul cable is connected with the upper pulley block and the lower pulley block through the guide pulley group, and is provided with an opening state for opening the two bucket bodies and a closing state for closing the two bucket bodies.
In a preferred embodiment of the present utility model, the bucket body includes an upper connection portion and a lower grabbing portion, where the lower grabbing portion is disposed in a cambered surface shape, and in a closed state of the two bucket bodies, the two lower grabbing portions butt against each other to form a semi-ellipsoidal shape.
In a preferred embodiment of the present utility model, the bucket body is provided with a drainage structure, and the drainage structure includes a plurality of drainage holes disposed on the upper connection portion.
In a preferred embodiment of the present utility model, the lock structure includes locks disposed at two ends of the handle, and the supporting cable includes two supporting wire ropes, one end of each supporting wire rope passes through the locks and is connected with the handle through a wire rope clip.
In a preferred embodiment of the present utility model, the guiding wheel set includes universal guiding wheels symmetrically arranged on the upper bolster, and the opening and closing cable passes through the handle and connects the upper pulley block and the lower pulley block through the universal guiding wheels.
In a preferred embodiment of the present utility model, the lifting lug structure includes lifting lugs disposed at two ends of the upper bolster relatively, and both lifting lugs are connected to the lifting beam through cylindrical pins.
In a preferred embodiment of the present utility model, a bottom edge structure is disposed between the two bucket bodies, the bottom edge structure includes bottom edge plates disposed opposite to the bottom ends of the two bucket bodies, and the two bottom edge plates are abutted when the two bucket bodies are in a closed state.
In a preferred embodiment of the present utility model, the pull rod structure includes a plurality of pull rods disposed between the upper bolster and the bucket body, one ends of the pull rods are hinged to the upper bolster, and the other ends of the pull rods are hinged to the bucket body.
In a preferred embodiment of the present utility model, at least two tie rods are disposed between each bucket body and the upper bolster, and the tie rods are arranged at equal intervals along the circumferential direction of the grab bucket structure.
In a preferred embodiment of the present utility model, a link reinforcing structure is disposed between the tie rods on the same bucket body.
The technical scheme of the utility model has the following remarkable beneficial effects:
when the anti-rotation grabbing device is used, the supporting inhaul cable is connected with the lifting beam balance structure, the anti-rotation grabbing device can be lifted through the supporting inhaul cable, and the opening and closing process of the grab bucket structure can be controlled through the cooperation of the opening and closing inhaul cable with the upper pulley block and the lower pulley block. When the grab bucket structure enters the cyclone, the grab bucket body is in streamline arrangement, so that cyclone impact suffered by the grab bucket structure can be reduced, the rotating force of water flow acting on the grab bucket structure is effectively reduced, the problem that a support stay rope and an opening and closing stay rope are stranded due to rotation of the grab bucket structure is avoided, the use failure rate is reduced, and the running cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present utility model, and are not particularly limited. Those skilled in the art with access to the teachings of the present utility model can select a variety of possible shapes and scale sizes to practice the present utility model as the case may be.
FIG. 1 is a schematic side view of an anti-rotation grip;
FIG. 2 is a schematic view of the grab structure in an open position;
FIG. 3 is a schematic top view of a grapple construction;
FIG. 4 is a schematic side view of a tie rod construction;
FIG. 5 is a schematic side view of a handle balance structure;
FIG. 6 is a schematic view of an installation structure of the connecting rod reinforcing structure.
Reference numerals of the above drawings:
1. a handle balance structure; 11. a lifting beam; 12. a lock structure; 121. a lock; 13. supporting a guy cable; 14. a steel wire rope clip;
2. an upper bolster structure; 21. an upper bolster; 22. a guide wheel set; 221. a universal guide wheel; 23. an upper pulley block; 24. a lifting lug structure; 241. lifting lugs; 242. a cylindrical pin shaft;
3. a grab bucket structure; 31. a bucket body; 311. an upper connecting portion; 312. a lower gripping portion; 32. a lower pulley block; 33. a drainage structure; 331. a drain hole; 34. a bottom edge structure; 341. a bottom blade plate; 35. a central shaft; 36. a lower bolster;
4. a pull rod structure; 41. a pull rod; 42. a connecting rod reinforcing structure;
5. and opening and closing the inhaul cable.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 in combination, an anti-rotation gripping device according to an embodiment of the present utility model includes: the lifting beam balance structure 1, wherein the lifting beam balance structure 1 comprises a lifting beam 11 and a lock structure 12 arranged at the upper part of the lifting beam 11, and the lifting beam 11 is connected with a support stay rope 13 through the lock structure 12; the upper bearing beam structure 2 comprises an upper bearing beam 21, a guide wheel set 22 and an upper pulley block 23 which are arranged on the upper bearing beam 21, a lifting lug structure 24 is arranged at the lower part of the upper bearing beam 21, and the upper bearing beam 21 is connected with the lifting beam 11 through the lifting lug structure 24; the grab bucket structure 3, the grab bucket structure 3 comprises a lower spandrel girder 36, two bucket bodies 31 hinged on the lower spandrel girder 36, and a lower pulley block 32 arranged on the lower spandrel girder 36, and the bucket bodies 31 are arranged in a streamline shape; the pull rod structure 4 is hinged between the bucket body 31 and the upper bolster 21; and an opening/closing cable 5, wherein the opening/closing cable 5 connects the upper pulley block 23 and the lower pulley block 32 through the guide pulley group 22, and the opening/closing cable 5 has an opened state for opening the two bucket bodies 31 and a closed state for closing the two bucket bodies 31.
When the anti-rotation grabbing device is used, the supporting stay rope 13 is connected with the lifting beam balance structure 1, the anti-rotation grabbing device can be lifted through the supporting stay rope 13, and the opening and closing process of the grab bucket structure 3 can be controlled through the cooperation of the opening and closing stay rope 5 and the upper pulley block 23 and the lower pulley block 32. When the grab bucket structure 3 enters the cyclone, the bucket body 31 is in streamline arrangement, so that cyclone impact on the grab bucket structure 3 can be reduced by the streamline bucket body 31, the rotating force of water flow acting on the grab bucket structure 3 is effectively reduced, the problem that the support stay rope 13 and the opening and closing stay rope 5 are stranded due to rotation of the grab bucket structure 3 is avoided, the use failure rate is reduced, and the running cost is reduced.
In the embodiment of the present utility model, as shown in fig. 2 and 3, the bucket body 31 includes an upper connecting portion 311 and a lower gripping portion 312, the lower gripping portion 312 is disposed in a cambered surface shape, and in a closed state of the two bucket bodies 31, the two lower gripping portions 312 butt against each other to form a semi-ellipsoidal shape.
Specifically, the upper connecting portions 311 of the two bucket bodies 31 are hinged through the central shaft 35, and the lower pulley block 32 is installed between the two upper connecting portions 311, and by controlling the relative rotation of the two upper connecting portions 311, the two lower gripping portions 312 can be synchronously driven to perform opening and closing movements, so that the opening and closing operations of the grab bucket are completed.
Wherein the lower grip portion 312 is provided with a smooth outer wall, and the lower grip portion 312 is provided in a cambered surface, for example, the outer wall of the lower grip portion 312 is provided in a partial ellipsoidal shape. The impact of the rotational flow on the lower grabbing portion 312 can be reduced through the cambered surface, and the lower grabbing portion 312 is prevented from rotating in the rotational flow, so that the problem that the supporting inhaul cable 13 and the opening and closing inhaul cable 5 are stranded due to rotation of the bucket body 31 is avoided.
Further, when the two bucket bodies 31 are closed to form a semi-ellipsoidal shape, the diameter of the central cylinder of the cyclone pool can be properly reduced, so that the construction cost of the cyclone pool can be further reduced without affecting the normal use of the grab bucket structure 3.
In the embodiment of the present utility model, as shown in the example of fig. 3, the drain structure 33 is provided on the bucket body 31, and the drain structure 33 includes a plurality of drain holes 331 provided on the upper connection portion 311.
Through a plurality of wash ports 331 that set up on upper portion connecting portion 311, at two bucket body 31 closed in-process, the water that two bucket bodies 31 centre gripping can follow wash port 331 outflow to the resistance effect that the water caused bucket body 31 has been reduced. The number and arrangement of the drain holes 331 can be adjusted by a designer according to the size and use requirements of the bucket body 31, and is not particularly limited herein.
In the embodiment of the present utility model, as shown in the example of fig. 5, the lock structure 12 includes locks 121 provided at both ends of the handle 11, and the supporting cable 13 includes two supporting wires, one end of which passes through the locks 121 and is connected to the handle 11 through a wire clip 14.
By arranging locks 121 at both ends of the handle 11, the connection stability of the supporting wire rope and the handle 11 is improved. Two locks 121 respectively connected with two ends of the handle 11 through two supporting steel wires can also generate certain anti-rotation torque between the two supporting steel wires, and can offset the torque of rotational flow acting on the grab bucket structure 3, so that the grab bucket structure 3 is prevented from rotating. Further, the designer can provide a plurality of wire rope clips 14, and the connection of the supporting wire rope can be made more secure by using the plurality of wire rope clips 14.
In the embodiment of the present utility model, the guide pulley group 22 includes universal guide pulleys 221 symmetrically disposed on the upper bolster 21, and the opening and closing cable 5 passes through the handle 11 and connects the upper pulley block 23 and the lower pulley block 32 through the universal guide pulleys 221.
Specifically, the opening/closing cable 5 includes an opening/closing wire rope. The two sets of universal guide wheels 221 are symmetrically arranged on the upper portion of the upper bolster 21, and can guide the transmission path of the opening and closing steel wire rope through the universal guide wheels 221, so that the opening and closing steel wire rope can be connected with the upper pulley block 23 and the lower pulley block 32 along the universal guide wheels 221, and the opening and closing process of the two bucket bodies 31 can be controlled through lifting or releasing the opening and closing steel wire rope.
In the embodiment of the present utility model, the shackle structure 24 includes shackles 241 oppositely disposed at both ends of the upper bolster 21, and both shackles 241 are connected to the handle 11 through cylindrical pins 242.
The lifting lug 241 is connected to the handle 11 by the cylindrical pin 242, whereby the handle 11 can be efficiently fixed to the upper bolster 21. The lifting beam 11 can be connected with the supporting stay rope 13 through the lock 121 to realize lifting action, and can be matched with the opening and closing stay rope 5 through the guide wheel group 22 and the upper pulley block 23 arranged on the upper bolster 21 to control the opening and closing process between the bucket bodies 31. By arranging the support cable 13 and the opening and closing cable 5 on different movement paths, interference between the support cable 13 and the opening and closing cable 5 during use is avoided.
In the embodiment of the present utility model, a bottom edge structure 34 is disposed between two bucket bodies 31, the bottom edge structure 34 includes bottom edge plates 341 disposed opposite to bottom ends of the two bucket bodies 31, and the two bottom edge plates 341 are butted in a closed state of the two bucket bodies 31. Through setting up at bucket body 31 bottom open-ended bottom sword structure 34, utilize bottom sword board 341 can cut the material for can close better between two bucket bodies 31, avoid taking place the problem that the material leaked in the hoisting process. The specific structure of the bottom blade 341 may be determined by a designer according to the use requirement, and is not particularly limited herein.
In the embodiment of the present utility model, as shown in the example of fig. 4, the pull rod structure 4 includes a plurality of pull rods 41 disposed between the upper bolster 21 and the bucket body 31, one ends of the pull rods 41 are hinged to the upper bolster 21, and the other ends of the pull rods 41 are hinged to the bucket body 31.
Specifically, one end of the pull rod 41 is hinged to the upper bolster 21 through a pin, and the other end of the pull rod 41 is hinged to the bucket body 31 through a pin. The tie rod 41 can connect the upper bolster 21 and the bucket body 31, so that the weight of the bucket body 31 is transmitted to the upper bolster 21 through the tie rod 41.
Further, at least two tie rods 41 are arranged between each bucket body 31 and the upper bolster 21, and the tie rods 41 are uniformly arranged at intervals along the circumferential direction of the grab bucket structure 3.
Through setting up many pull rods 41, thereby many pull rods 41 can cooperate the material that thereby support bucket body 31 and bucket body 31 centre gripping better. In addition, the pull rods 41 are uniformly arranged at intervals along the circumferential direction of the grab bucket structure 3, so that the weight of the bucket body 31 and the weight of the material grabbed by the bucket body 31 can be uniformly distributed on the upper bolster 21, and the problem of gravity concentration is avoided.
In the embodiment of the present utility model, as shown in fig. 6, a link reinforcing structure 42 is provided between the tie bars 41 on the same bucket body 31.
The connecting rod reinforcing structure 42 is arranged between the pull rods 41, so that the connecting strength of the pull rods 41 can be further improved, and a better connecting effect is achieved. And the plurality of pull rods 41 can be connected into a whole through the connecting rod reinforcing structure 42, so that the pull rods 41 can synchronously move, and the movement stability of the bucket body 31 in the grabbing process is improved.
Specifically, the link reinforcing structure 42 includes links and reinforcing plates, and the number and positions of the links and reinforcing plates can be determined by the designer according to the fixing requirements, without being particularly limited thereto.
All articles and references, including patent applications and publications, disclosed herein are incorporated by reference for all purposes. The term "consisting essentially of …" describing a combination shall include the identified element, ingredient, component or step as well as other elements, ingredients, components or steps that do not substantially affect the essential novel features of the combination. The use of the terms "comprises" or "comprising" to describe combinations of elements, components, or steps herein also contemplates embodiments consisting essentially of such elements, components, or steps. By using the term "may" herein, it is intended that any attribute described as "may" be included is optional. Multiple elements, components, parts or steps can be provided by a single integrated element, component, part or step. Alternatively, a single integrated element, component, part or step may be divided into separate plural elements, components, parts or steps. The disclosure of "a" or "an" to describe an element, component, section or step is not intended to exclude other elements, components, sections or steps.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other. The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (8)
1. An anti-rotation gripping device, comprising:
the lifting beam balance structure comprises a lifting beam and a lock structure arranged at the upper part of the lifting beam, and the lifting beam is connected with a support inhaul cable through the lock structure;
the upper bearing beam structure comprises an upper bearing beam, a guide wheel set and an upper pulley block, wherein the guide wheel set and the upper pulley block are arranged on the upper bearing beam, a lifting lug structure is arranged at the lower part of the upper bearing beam, and the upper bearing beam is connected with the lifting beam through the lifting lug structure;
the grab bucket structure comprises a lower spandrel girder, two bucket bodies hinged to the lower spandrel girder and a lower pulley block arranged on the lower spandrel girder, wherein the bucket bodies are arranged in a streamline shape;
the pull rod structure is hinged between the bucket body and the upper bolster; and
the opening and closing inhaul cable is connected with the upper pulley block and the lower pulley block through the guide pulley group and is provided with an opening state for opening the two bucket bodies and a closing state for closing the two bucket bodies;
the bucket body comprises an upper connecting part and a lower grabbing part, wherein the lower grabbing part is arranged in a cambered surface shape, and when two bucket bodies are in a closed state, the two lower grabbing parts are butted to form a semi-ellipsoidal shape;
the bucket body is provided with a drainage structure, and the drainage structure comprises a plurality of drainage holes arranged on the upper connecting part.
2. The anti-rotation gripping device according to claim 1, wherein the lock structure comprises locks provided at both ends of the handle, the support cable comprises two support wires, and one end of the support wire passes through the locks and is connected to the handle by a wire clip.
3. The anti-rotation gripping device according to claim 1, wherein the guide pulley group comprises universal guide pulleys symmetrically arranged on the upper bolster, and the opening and closing stay rope passes through the handle and connects the upper pulley block and the lower pulley block through the universal guide pulleys.
4. The anti-rotation gripping device according to claim 1, wherein the lifting lug structure comprises lifting lugs arranged at two ends of the upper bolster relatively, and both lifting lugs are connected with the lifting bolster through cylindrical pin shafts.
5. The anti-rotation gripping device according to claim 1, wherein a bottom edge structure is provided between the two bucket bodies, the bottom edge structure comprising bottom edge plates oppositely provided at bottom end openings of the two bucket bodies, and the two bottom edge plates are abutted in a closed state of the two bucket bodies.
6. The anti-rotation gripping device according to claim 1, wherein the pull rod structure comprises a plurality of pull rods arranged between the upper bolster and the bucket body, one ends of the pull rods are hinged on the upper bolster, and the other ends of the pull rods are hinged on the bucket body.
7. The anti-rotation gripping device according to claim 6, wherein at least two tie rods are arranged between each bucket body and the upper bolster, and the tie rods are arranged at equal intervals along the circumferential direction of the grab bucket structure.
8. The anti-rotation grip apparatus according to claim 7, wherein a link reinforcement structure is provided between each of the tie bars provided on the same bucket body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223578246.6U CN219567315U (en) | 2022-12-30 | 2022-12-30 | Anti-rotation grabbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223578246.6U CN219567315U (en) | 2022-12-30 | 2022-12-30 | Anti-rotation grabbing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219567315U true CN219567315U (en) | 2023-08-22 |
Family
ID=87665356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223578246.6U Active CN219567315U (en) | 2022-12-30 | 2022-12-30 | Anti-rotation grabbing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219567315U (en) |
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2022
- 2022-12-30 CN CN202223578246.6U patent/CN219567315U/en active Active
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