CN215798012U - Rigid anti-swing shear type device and crane - Google Patents

Rigid anti-swing shear type device and crane Download PDF

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Publication number
CN215798012U
CN215798012U CN202122215007.3U CN202122215007U CN215798012U CN 215798012 U CN215798012 U CN 215798012U CN 202122215007 U CN202122215007 U CN 202122215007U CN 215798012 U CN215798012 U CN 215798012U
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CN
China
Prior art keywords
supporting arm
rigid anti
scissors
scissors fork
scissor
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CN202122215007.3U
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Chinese (zh)
Inventor
赵全起
胡星霞
李欢
赵文宇
符波
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Chengdu Western Taili Intelligent Equipment Co ltd
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Chengdu Western Taili Intelligent Equipment Co ltd
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Abstract

The utility model discloses a rigid anti-swing shear type device, which comprises: the scissors fork set comprises a first supporting arm, a second supporting arm arranged in parallel with the first supporting arm, a third supporting arm arranged in a crossed manner with the first supporting arm and the second supporting arm, and a first rotating piece hinged to the middle parts of the first supporting arm, the second supporting arm and the third supporting arm, wherein the first supporting arm, the second supporting arm and the third supporting arm are used for opening or closing by taking the first rotating piece as a shaft, so that the scissors fork set can stretch and retract; the connecting assembly is connected with the scissors fork set up and down and comprises a sliding connecting piece and a fixed connecting piece, wherein the fixed connecting piece is arranged on the same horizontal plane with the sliding connecting piece, and the connecting assembly is used for connecting the device with a trolley and a lifting appliance of a crane. The anti-swing shear type device provided by the utility model can avoid the situation that a heavy object connected with a lifting appliance swings in the ascending or descending process, and the contraction of the scissor fork group is smoother.

Description

Rigid anti-swing shear type device and crane
Technical Field
The utility model relates to the technical field of cranes, in particular to a rigid anti-swing shear type device and a crane.
Background
The crane is a multi-action crane capable of vertically lifting and horizontally carrying heavy objects within a certain range. In the prior art, a trolley of a crane is usually connected with a lifting appliance by using a steel wire rope, and the lifting appliance is driven to ascend or descend by the steel wire rope driven by the trolley to move a heavy object. However, the structure that the trolley is connected with the lifting appliance through the steel wire rope is a flexible structure, and when the lifting appliance drives a heavy object to ascend or descend, the heavy object is easy to shake, so that the lifting precision of the crane is influenced, and meanwhile, safety accidents are easy to cause.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a rigid anti-swing scissor device, comprising: the scissors fork set comprises a first supporting arm, a second supporting arm arranged in parallel with the first supporting arm, a third supporting arm arranged in a crossed manner with the first supporting arm and the second supporting arm, and a first rotating piece hinged to the middle parts of the first supporting arm, the second supporting arm and the third supporting arm, wherein the first supporting arm, the second supporting arm and the third supporting arm are used for opening or closing by taking the first rotating piece as a shaft, so that the scissors fork set can stretch and retract; the connecting assembly is connected with the scissors fork set up and down and comprises a sliding connecting piece and a fixed connecting piece, wherein the fixed connecting piece is arranged on the same horizontal plane with the sliding connecting piece, and the connecting assembly is used for connecting the device with a trolley and a lifting appliance of a crane.
Preferably, the sliding connecting piece comprises a sliding groove and a pulley which is connected with the sliding groove in a sliding way; the fixed connecting piece comprises a fixing piece and a square fixing piece connected with the fixing piece.
Preferably, the fixing plate is provided with a plurality of mounting holes.
Preferably, the scissors fork set further comprises a second rotating member connected to the bottom ends of the first and second support arms, and a third rotating member connected to the top ends of the first and second support arms.
Preferably, two ends of the second rotating member located at the uppermost position of the scissors fork set are respectively sleeved with the fixing member.
Preferably, the top ends of the first support arm and the second support arm which are positioned at the uppermost part of the scissors fork set are respectively connected with the pulley, and the sliding groove connected with the pulley is fixedly connected with the trolley.
Preferably, the second rotating part located at the lowest part of the scissors fork group is connected with the first supporting arm and the second supporting arm, and two ends of the second rotating part are respectively sleeved with the fixing part.
Preferably, the bottom end of the third support arm positioned at the lowest part of the scissors fork group is connected with a pulley, and a sliding groove in sliding connection with the pulley is fixedly connected with a lifting appliance.
A rigid anti-swing crane is further provided, and the rigid anti-swing scissor device comprises any one of the rigid anti-swing scissor devices.
By adopting the technical scheme, the utility model mainly has the following technical effects:
1. through with first support arm, second support arm and third support arm and first commentaries on classics pivot after mutually, make first support arm, the second support arm, third support arm and first commentaries on classics have constituted scissors fork structure, through linking into scissors fork group with scissors fork structure, utilize first support arm, the second support arm, the third support arm uses first commentaries on classics piece to open or be closed as the axle, thereby it stretches out and draws back to drive scissors fork group on vertical direction, thereby realize scissors fork group and can follow the rising or the decline of hoist and shorten or extend, utilize scissors fork group to carry out spacingly at the horizontal direction to the hoist, and then avoid the heavy object to take place to rock at the in-process that rises or descends.
2. Through with scissors fork group and dolly, the connected mode between the hoist sets up to fixed connection, and sliding connection exists simultaneously for when anti-swing formula device follows the hoist and stretches out and draws back, with the dolly, hoist sliding connection's pulley will slide in the spout, makes anti-swing formula device follow the in-process scissors fork group's that the heavy object descends or rises flexible more smoothly.
Drawings
FIG. 1 is a schematic structural diagram of a rigid anti-swing scissors apparatus according to the present invention;
FIG. 2 is a schematic diagram of a rigid anti-roll-shear device (connected to a spreader) according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is an enlarged view of a portion B in fig. 2.
Wherein the reference numerals have the following meanings:
1. a scissor fork set; 11. a first support arm; 12. a second support arm; 13. a third support arm; 14. a first rotating member; 15. a second rotating member; 16. a third rotating member;
2. a connecting assembly; 21. a sliding connector; 211. a chute; 22. fixing the connecting piece; 221. a fixing sheet; 2211. mounting holes; 222. and a fixing member.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the specification of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Example one
Referring to fig. 1-4, the present invention provides a rigid anti-swing scissors device, which is connected between a trolley and a spreader of a crane in practical use, and comprises a scissor fork set 1 and a connecting assembly 2 connected with the scissor fork set 1 up and down.
The scissors fork set 1 comprises a plurality of sets of first supporting arms 11, second supporting arms 12 arranged in parallel with the first supporting arms 11, third supporting arms 13 arranged in a crossed mode with the first supporting arms 11 and the second supporting arms 12, and first rotating pieces 14 hinged with the first supporting arms 11, the second supporting arms 12 and the third supporting arms 13. Specifically, the first rotating member 14 is a rod-shaped structure, and two ends of the first rotating member are respectively hinged to the middle portions of the first support arm 11 and the second support arm 12, and the middle portion of the first rotating member is hinged to the middle portion of the third support arm 13, so that the first support arm 11, the second support arm 12, the third support arm 13 and the first rotating member 14 form a set of scissors fork structure after the first support arm 11, the second support arm 12 and the third support arm 13 are hinged to the first rotating member 14.
Further, in order to connect the scissors and fork structure into the scissors and fork set 1, a second rotating part 15 and a third rotating part 16 which have the same structure as the first rotating part 14 are further arranged in the scissors and fork set 1, wherein the second rotating part 15 is connected with the first supporting arm 11 and the bottom end of the second supporting arm 12, the third rotating part 16 is connected with the first supporting arm 11 and the top end of the second supporting arm 12, in addition, the second rotating part 15 is connected with the top end of the third supporting arm 13 in the scissors and fork structure below, and the third rotating part 16 is connected with the bottom end of the second supporting arm 13 in the scissors and fork structure above, so that the scissors and fork structure is connected into the scissors and fork set 1.
Further, first support arm 11 in the scissors fork structure, second support arm 12, third support arm 13 can use first commentaries on classics piece 14 to rotate as the axle, specifically, first support arm 11, second support arm 12, third support arm 13 can use first commentaries on classics piece 14 to open or be closed as the axle, thereby it stretches out and draws back to drive scissors fork group 1 at vertical orientation go on, thereby realize scissors fork group 1 can follow the rising or the decline of hoist and shorten or extend, utilize scissors fork group 1 to carry out spacingly at the horizontal direction to the hoist, and then avoid the heavy object to take place to rock at the in-process that rises or descends.
The connecting assembly 2 comprises a plurality of sliding connectors 21 and a fixed connector 22 arranged on the same plane as the sliding connectors 21, wherein the connecting assembly 2 is used for connecting the anti-swing shear type device with a trolley and a lifting appliance of a crane, specifically, the sliding connectors 21 comprise sliding grooves 211 and pulleys 212 connected with the sliding grooves 211 in a sliding manner, and the fixed connector 22 comprises fixed plates 221 and square fixed pieces 222 connected with the fixed plates 221.
Further, taking the scissors fork structure located at the top of the anti-swing scissors device as an example, in order to connect the anti-swing scissors device with the trolley of the crane, two ends of the second rotating member 15 connected to the third supporting arm 13 are respectively sleeved with the fixing member 222, so as to connect the scissors fork set 1 with the connecting assembly 2. In addition, a plurality of mounting holes 2211 are further formed in the fixing piece 221, so that an operator can connect the fixing piece 22 to the trolley of the crane only through bolts, and the third supporting arm 13 can be fixedly connected with the trolley. In addition, the top ends of the first support arm 11 and the second support arm 12 are respectively connected with the pulley 212, and meanwhile, the sliding groove 21 is fixedly connected with the trolley, so that the first support arm 11 and the second support arm 12 are slidably connected with the trolley, the sliding connection is realized at the same time, the pulley 212 connected with the first support arm 11 and the second support arm 12 slides in the sliding groove 211 when the anti-sway-shear-type device stretches and retracts, and the stretching and retracting of the scissor fork set 1 are smoother in the process that the anti-sway-shear-type device descends or ascends along with the heavy object.
Further, taking the structure of the scissors fork located at the lowest position of the anti-swing scissors device as an example, in order to connect the anti-swing scissors device with the lifting appliance, two ends of the second rotating member 15 connected with the first supporting arm and the second supporting arm 12 are respectively sleeved with the fixing member 222, and the scissors fork set 1 can be fixedly connected with the lifting appliance by fixedly connecting the fixing member 221 with the lifting appliance. In addition, the bottom end of the third supporting arm 13 is connected with the pulley 212, and the sliding groove 211 is fixedly connected with the lifting appliance, so that the anti-swing shear type device is fixedly connected with the lifting appliance, and the sliding connection exists at the same time, thereby increasing the fluency of the scissor group 1 in the stretching process.
Example two
The utility model also provides a rigid anti-swing crane which comprises the rigid anti-swing scissor device in the first embodiment.
Finally, it should be noted that: the embodiment of the present invention is disclosed only as a preferred embodiment of the present invention, which is only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. A rigid anti-roll-shear device, comprising:
the scissors fork set comprises a first supporting arm, a second supporting arm arranged in parallel with the first supporting arm, a third supporting arm arranged in a crossed manner with the first supporting arm and the second supporting arm, and a first rotating piece hinged to the middle parts of the first supporting arm, the second supporting arm and the third supporting arm, wherein the first supporting arm, the second supporting arm and the third supporting arm are used for opening or closing by taking the first rotating piece as a shaft, so that the scissors fork set can stretch out and draw back;
the connecting assembly is connected with the scissors fork set up and down and comprises a sliding connecting piece and a fixed connecting piece, wherein the fixed connecting piece is arranged on the same horizontal plane with the sliding connecting piece, and the connecting assembly is used for connecting the device with a trolley and a lifting appliance of a crane.
2. A rigid anti-rocker scissor apparatus as claimed in claim 1, wherein the sliding connection comprises a sliding channel and a pulley slidably connected to the sliding channel; the fixed connecting piece comprises a fixing piece and a square fixing piece connected with the fixing piece.
3. The rigid anti-rocker scissor apparatus of claim 2, wherein the anchor plate has a plurality of mounting holes.
4. A rigid anti-rocker scissor assembly according to claim 2 or claim 3, wherein the scissor set further comprises a second rotatable member coupled to the bottom ends of the first and second support arms and a third rotatable member coupled to the top ends of the first and second support arms.
5. The rigid anti-swing scissors device of claim 4, wherein the second rotating member at the uppermost of the scissors fork set has both ends respectively engaging with the fixed members.
6. The rigid anti-swing scissors device according to claim 5, wherein the top ends of the first support arm and the second support arm at the top of the scissors fork set are respectively connected with a pulley, and a sliding groove connected with the pulley is fixedly connected with the trolley.
7. The rigid anti-swing scissors device of claim 6, wherein the second rotating member located at the lowest position of the scissors fork set is connected to the first support arm and the second support arm, and both ends of the second rotating member are respectively sleeved with the fixing member.
8. The rigid anti-swing scissor apparatus of claim 7, wherein the bottom end of the third support arm at the lowest position of the scissor set is connected to a pulley, and a slide groove slidably connected to the pulley is fixedly connected to the spreader.
9. A rigid anti-sway crane comprising a rigid anti-sway scissor assembly of any one of claims 1-8.
CN202122215007.3U 2021-09-14 2021-09-14 Rigid anti-swing shear type device and crane Active CN215798012U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122215007.3U CN215798012U (en) 2021-09-14 2021-09-14 Rigid anti-swing shear type device and crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122215007.3U CN215798012U (en) 2021-09-14 2021-09-14 Rigid anti-swing shear type device and crane

Publications (1)

Publication Number Publication Date
CN215798012U true CN215798012U (en) 2022-02-11

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CN202122215007.3U Active CN215798012U (en) 2021-09-14 2021-09-14 Rigid anti-swing shear type device and crane

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115650046A (en) * 2022-11-21 2023-01-31 中起重工机械有限公司 Crane for crane

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115650046A (en) * 2022-11-21 2023-01-31 中起重工机械有限公司 Crane for crane

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